1c861ef83SShannon Nelson // SPDX-License-Identifier: GPL-2.0 2e689cf4aSJeff Kirsher /* niu.c: Neptune ethernet driver. 3e689cf4aSJeff Kirsher * 4e689cf4aSJeff Kirsher * Copyright (C) 2007, 2008 David S. Miller (davem@davemloft.net) 5e689cf4aSJeff Kirsher */ 6e689cf4aSJeff Kirsher 7e689cf4aSJeff Kirsher #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 8e689cf4aSJeff Kirsher 9e689cf4aSJeff Kirsher #include <linux/module.h> 10e689cf4aSJeff Kirsher #include <linux/init.h> 11e689cf4aSJeff Kirsher #include <linux/interrupt.h> 12e689cf4aSJeff Kirsher #include <linux/pci.h> 13e689cf4aSJeff Kirsher #include <linux/dma-mapping.h> 14e689cf4aSJeff Kirsher #include <linux/netdevice.h> 15e689cf4aSJeff Kirsher #include <linux/ethtool.h> 16e689cf4aSJeff Kirsher #include <linux/etherdevice.h> 17e689cf4aSJeff Kirsher #include <linux/platform_device.h> 18e689cf4aSJeff Kirsher #include <linux/delay.h> 19e689cf4aSJeff Kirsher #include <linux/bitops.h> 20e689cf4aSJeff Kirsher #include <linux/mii.h> 2101789349SJiri Pirko #include <linux/if.h> 22e689cf4aSJeff Kirsher #include <linux/if_ether.h> 23e689cf4aSJeff Kirsher #include <linux/if_vlan.h> 24e689cf4aSJeff Kirsher #include <linux/ip.h> 25e689cf4aSJeff Kirsher #include <linux/in.h> 26e689cf4aSJeff Kirsher #include <linux/ipv6.h> 27e689cf4aSJeff Kirsher #include <linux/log2.h> 28e689cf4aSJeff Kirsher #include <linux/jiffies.h> 29e689cf4aSJeff Kirsher #include <linux/crc32.h> 30e689cf4aSJeff Kirsher #include <linux/list.h> 31e689cf4aSJeff Kirsher #include <linux/slab.h> 32e689cf4aSJeff Kirsher 33e689cf4aSJeff Kirsher #include <linux/io.h> 34e689cf4aSJeff Kirsher #include <linux/of_device.h> 35e689cf4aSJeff Kirsher 36e689cf4aSJeff Kirsher #include "niu.h" 37e689cf4aSJeff Kirsher 382dcfe9e2SKees Cook /* This driver wants to store a link to a "next page" within the 392dcfe9e2SKees Cook * page struct itself by overloading the content of the "mapping" 402dcfe9e2SKees Cook * member. This is not expected by the page API, but does currently 412dcfe9e2SKees Cook * work. However, the randstruct plugin gets very bothered by this 422dcfe9e2SKees Cook * case because "mapping" (struct address_space) is randomized, so 432dcfe9e2SKees Cook * casts to/from it trigger warnings. Hide this by way of a union, 442dcfe9e2SKees Cook * to create a typed alias of "mapping", since that's how it is 452dcfe9e2SKees Cook * actually being used here. 462dcfe9e2SKees Cook */ 472dcfe9e2SKees Cook union niu_page { 482dcfe9e2SKees Cook struct page page; 492dcfe9e2SKees Cook struct { 502dcfe9e2SKees Cook unsigned long __flags; /* unused alias of "flags" */ 512dcfe9e2SKees Cook struct list_head __lru; /* unused alias of "lru" */ 522dcfe9e2SKees Cook struct page *next; /* alias of "mapping" */ 532dcfe9e2SKees Cook }; 542dcfe9e2SKees Cook }; 552dcfe9e2SKees Cook #define niu_next_page(p) container_of(p, union niu_page, page)->next 562dcfe9e2SKees Cook 57e689cf4aSJeff Kirsher #define DRV_MODULE_NAME "niu" 58e689cf4aSJeff Kirsher #define DRV_MODULE_VERSION "1.1" 59e689cf4aSJeff Kirsher #define DRV_MODULE_RELDATE "Apr 22, 2010" 60e689cf4aSJeff Kirsher 61f73d12bdSBill Pemberton static char version[] = 62e689cf4aSJeff Kirsher DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; 63e689cf4aSJeff Kirsher 64e689cf4aSJeff Kirsher MODULE_AUTHOR("David S. Miller (davem@davemloft.net)"); 65e689cf4aSJeff Kirsher MODULE_DESCRIPTION("NIU ethernet driver"); 66e689cf4aSJeff Kirsher MODULE_LICENSE("GPL"); 67e689cf4aSJeff Kirsher MODULE_VERSION(DRV_MODULE_VERSION); 68e689cf4aSJeff Kirsher 69e689cf4aSJeff Kirsher #ifndef readq 70e689cf4aSJeff Kirsher static u64 readq(void __iomem *reg) 71e689cf4aSJeff Kirsher { 72e689cf4aSJeff Kirsher return ((u64) readl(reg)) | (((u64) readl(reg + 4UL)) << 32); 73e689cf4aSJeff Kirsher } 74e689cf4aSJeff Kirsher 75e689cf4aSJeff Kirsher static void writeq(u64 val, void __iomem *reg) 76e689cf4aSJeff Kirsher { 77e689cf4aSJeff Kirsher writel(val & 0xffffffff, reg); 78e689cf4aSJeff Kirsher writel(val >> 32, reg + 0x4UL); 79e689cf4aSJeff Kirsher } 80e689cf4aSJeff Kirsher #endif 81e689cf4aSJeff Kirsher 829baa3c34SBenoit Taine static const struct pci_device_id niu_pci_tbl[] = { 83e689cf4aSJeff Kirsher {PCI_DEVICE(PCI_VENDOR_ID_SUN, 0xabcd)}, 84e689cf4aSJeff Kirsher {} 85e689cf4aSJeff Kirsher }; 86e689cf4aSJeff Kirsher 87e689cf4aSJeff Kirsher MODULE_DEVICE_TABLE(pci, niu_pci_tbl); 88e689cf4aSJeff Kirsher 89e689cf4aSJeff Kirsher #define NIU_TX_TIMEOUT (5 * HZ) 90e689cf4aSJeff Kirsher 91e689cf4aSJeff Kirsher #define nr64(reg) readq(np->regs + (reg)) 92e689cf4aSJeff Kirsher #define nw64(reg, val) writeq((val), np->regs + (reg)) 93e689cf4aSJeff Kirsher 94e689cf4aSJeff Kirsher #define nr64_mac(reg) readq(np->mac_regs + (reg)) 95e689cf4aSJeff Kirsher #define nw64_mac(reg, val) writeq((val), np->mac_regs + (reg)) 96e689cf4aSJeff Kirsher 97e689cf4aSJeff Kirsher #define nr64_ipp(reg) readq(np->regs + np->ipp_off + (reg)) 98e689cf4aSJeff Kirsher #define nw64_ipp(reg, val) writeq((val), np->regs + np->ipp_off + (reg)) 99e689cf4aSJeff Kirsher 100e689cf4aSJeff Kirsher #define nr64_pcs(reg) readq(np->regs + np->pcs_off + (reg)) 101e689cf4aSJeff Kirsher #define nw64_pcs(reg, val) writeq((val), np->regs + np->pcs_off + (reg)) 102e689cf4aSJeff Kirsher 103e689cf4aSJeff Kirsher #define nr64_xpcs(reg) readq(np->regs + np->xpcs_off + (reg)) 104e689cf4aSJeff Kirsher #define nw64_xpcs(reg, val) writeq((val), np->regs + np->xpcs_off + (reg)) 105e689cf4aSJeff Kirsher 106e689cf4aSJeff Kirsher #define NIU_MSG_DEFAULT (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK) 107e689cf4aSJeff Kirsher 108e689cf4aSJeff Kirsher static int niu_debug; 109e689cf4aSJeff Kirsher static int debug = -1; 110e689cf4aSJeff Kirsher module_param(debug, int, 0); 111e689cf4aSJeff Kirsher MODULE_PARM_DESC(debug, "NIU debug level"); 112e689cf4aSJeff Kirsher 113e689cf4aSJeff Kirsher #define niu_lock_parent(np, flags) \ 114e689cf4aSJeff Kirsher spin_lock_irqsave(&np->parent->lock, flags) 115e689cf4aSJeff Kirsher #define niu_unlock_parent(np, flags) \ 116e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->parent->lock, flags) 117e689cf4aSJeff Kirsher 118e689cf4aSJeff Kirsher static int serdes_init_10g_serdes(struct niu *np); 119e689cf4aSJeff Kirsher 120e689cf4aSJeff Kirsher static int __niu_wait_bits_clear_mac(struct niu *np, unsigned long reg, 121e689cf4aSJeff Kirsher u64 bits, int limit, int delay) 122e689cf4aSJeff Kirsher { 123e689cf4aSJeff Kirsher while (--limit >= 0) { 124e689cf4aSJeff Kirsher u64 val = nr64_mac(reg); 125e689cf4aSJeff Kirsher 126e689cf4aSJeff Kirsher if (!(val & bits)) 127e689cf4aSJeff Kirsher break; 128e689cf4aSJeff Kirsher udelay(delay); 129e689cf4aSJeff Kirsher } 130e689cf4aSJeff Kirsher if (limit < 0) 131e689cf4aSJeff Kirsher return -ENODEV; 132e689cf4aSJeff Kirsher return 0; 133e689cf4aSJeff Kirsher } 134e689cf4aSJeff Kirsher 135e689cf4aSJeff Kirsher static int __niu_set_and_wait_clear_mac(struct niu *np, unsigned long reg, 136e689cf4aSJeff Kirsher u64 bits, int limit, int delay, 137e689cf4aSJeff Kirsher const char *reg_name) 138e689cf4aSJeff Kirsher { 139e689cf4aSJeff Kirsher int err; 140e689cf4aSJeff Kirsher 141e689cf4aSJeff Kirsher nw64_mac(reg, bits); 142e689cf4aSJeff Kirsher err = __niu_wait_bits_clear_mac(np, reg, bits, limit, delay); 143e689cf4aSJeff Kirsher if (err) 144e689cf4aSJeff Kirsher netdev_err(np->dev, "bits (%llx) of register %s would not clear, val[%llx]\n", 145e689cf4aSJeff Kirsher (unsigned long long)bits, reg_name, 146e689cf4aSJeff Kirsher (unsigned long long)nr64_mac(reg)); 147e689cf4aSJeff Kirsher return err; 148e689cf4aSJeff Kirsher } 149e689cf4aSJeff Kirsher 150e689cf4aSJeff Kirsher #define niu_set_and_wait_clear_mac(NP, REG, BITS, LIMIT, DELAY, REG_NAME) \ 151e689cf4aSJeff Kirsher ({ BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \ 152e689cf4aSJeff Kirsher __niu_set_and_wait_clear_mac(NP, REG, BITS, LIMIT, DELAY, REG_NAME); \ 153e689cf4aSJeff Kirsher }) 154e689cf4aSJeff Kirsher 155e689cf4aSJeff Kirsher static int __niu_wait_bits_clear_ipp(struct niu *np, unsigned long reg, 156e689cf4aSJeff Kirsher u64 bits, int limit, int delay) 157e689cf4aSJeff Kirsher { 158e689cf4aSJeff Kirsher while (--limit >= 0) { 159e689cf4aSJeff Kirsher u64 val = nr64_ipp(reg); 160e689cf4aSJeff Kirsher 161e689cf4aSJeff Kirsher if (!(val & bits)) 162e689cf4aSJeff Kirsher break; 163e689cf4aSJeff Kirsher udelay(delay); 164e689cf4aSJeff Kirsher } 165e689cf4aSJeff Kirsher if (limit < 0) 166e689cf4aSJeff Kirsher return -ENODEV; 167e689cf4aSJeff Kirsher return 0; 168e689cf4aSJeff Kirsher } 169e689cf4aSJeff Kirsher 170e689cf4aSJeff Kirsher static int __niu_set_and_wait_clear_ipp(struct niu *np, unsigned long reg, 171e689cf4aSJeff Kirsher u64 bits, int limit, int delay, 172e689cf4aSJeff Kirsher const char *reg_name) 173e689cf4aSJeff Kirsher { 174e689cf4aSJeff Kirsher int err; 175e689cf4aSJeff Kirsher u64 val; 176e689cf4aSJeff Kirsher 177e689cf4aSJeff Kirsher val = nr64_ipp(reg); 178e689cf4aSJeff Kirsher val |= bits; 179e689cf4aSJeff Kirsher nw64_ipp(reg, val); 180e689cf4aSJeff Kirsher 181e689cf4aSJeff Kirsher err = __niu_wait_bits_clear_ipp(np, reg, bits, limit, delay); 182e689cf4aSJeff Kirsher if (err) 183e689cf4aSJeff Kirsher netdev_err(np->dev, "bits (%llx) of register %s would not clear, val[%llx]\n", 184e689cf4aSJeff Kirsher (unsigned long long)bits, reg_name, 185e689cf4aSJeff Kirsher (unsigned long long)nr64_ipp(reg)); 186e689cf4aSJeff Kirsher return err; 187e689cf4aSJeff Kirsher } 188e689cf4aSJeff Kirsher 189e689cf4aSJeff Kirsher #define niu_set_and_wait_clear_ipp(NP, REG, BITS, LIMIT, DELAY, REG_NAME) \ 190e689cf4aSJeff Kirsher ({ BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \ 191e689cf4aSJeff Kirsher __niu_set_and_wait_clear_ipp(NP, REG, BITS, LIMIT, DELAY, REG_NAME); \ 192e689cf4aSJeff Kirsher }) 193e689cf4aSJeff Kirsher 194e689cf4aSJeff Kirsher static int __niu_wait_bits_clear(struct niu *np, unsigned long reg, 195e689cf4aSJeff Kirsher u64 bits, int limit, int delay) 196e689cf4aSJeff Kirsher { 197e689cf4aSJeff Kirsher while (--limit >= 0) { 198e689cf4aSJeff Kirsher u64 val = nr64(reg); 199e689cf4aSJeff Kirsher 200e689cf4aSJeff Kirsher if (!(val & bits)) 201e689cf4aSJeff Kirsher break; 202e689cf4aSJeff Kirsher udelay(delay); 203e689cf4aSJeff Kirsher } 204e689cf4aSJeff Kirsher if (limit < 0) 205e689cf4aSJeff Kirsher return -ENODEV; 206e689cf4aSJeff Kirsher return 0; 207e689cf4aSJeff Kirsher } 208e689cf4aSJeff Kirsher 209e689cf4aSJeff Kirsher #define niu_wait_bits_clear(NP, REG, BITS, LIMIT, DELAY) \ 210e689cf4aSJeff Kirsher ({ BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \ 211e689cf4aSJeff Kirsher __niu_wait_bits_clear(NP, REG, BITS, LIMIT, DELAY); \ 212e689cf4aSJeff Kirsher }) 213e689cf4aSJeff Kirsher 214e689cf4aSJeff Kirsher static int __niu_set_and_wait_clear(struct niu *np, unsigned long reg, 215e689cf4aSJeff Kirsher u64 bits, int limit, int delay, 216e689cf4aSJeff Kirsher const char *reg_name) 217e689cf4aSJeff Kirsher { 218e689cf4aSJeff Kirsher int err; 219e689cf4aSJeff Kirsher 220e689cf4aSJeff Kirsher nw64(reg, bits); 221e689cf4aSJeff Kirsher err = __niu_wait_bits_clear(np, reg, bits, limit, delay); 222e689cf4aSJeff Kirsher if (err) 223e689cf4aSJeff Kirsher netdev_err(np->dev, "bits (%llx) of register %s would not clear, val[%llx]\n", 224e689cf4aSJeff Kirsher (unsigned long long)bits, reg_name, 225e689cf4aSJeff Kirsher (unsigned long long)nr64(reg)); 226e689cf4aSJeff Kirsher return err; 227e689cf4aSJeff Kirsher } 228e689cf4aSJeff Kirsher 229e689cf4aSJeff Kirsher #define niu_set_and_wait_clear(NP, REG, BITS, LIMIT, DELAY, REG_NAME) \ 230e689cf4aSJeff Kirsher ({ BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \ 231e689cf4aSJeff Kirsher __niu_set_and_wait_clear(NP, REG, BITS, LIMIT, DELAY, REG_NAME); \ 232e689cf4aSJeff Kirsher }) 233e689cf4aSJeff Kirsher 234e689cf4aSJeff Kirsher static void niu_ldg_rearm(struct niu *np, struct niu_ldg *lp, int on) 235e689cf4aSJeff Kirsher { 236e689cf4aSJeff Kirsher u64 val = (u64) lp->timer; 237e689cf4aSJeff Kirsher 238e689cf4aSJeff Kirsher if (on) 239e689cf4aSJeff Kirsher val |= LDG_IMGMT_ARM; 240e689cf4aSJeff Kirsher 241e689cf4aSJeff Kirsher nw64(LDG_IMGMT(lp->ldg_num), val); 242e689cf4aSJeff Kirsher } 243e689cf4aSJeff Kirsher 244e689cf4aSJeff Kirsher static int niu_ldn_irq_enable(struct niu *np, int ldn, int on) 245e689cf4aSJeff Kirsher { 246e689cf4aSJeff Kirsher unsigned long mask_reg, bits; 247e689cf4aSJeff Kirsher u64 val; 248e689cf4aSJeff Kirsher 249e689cf4aSJeff Kirsher if (ldn < 0 || ldn > LDN_MAX) 250e689cf4aSJeff Kirsher return -EINVAL; 251e689cf4aSJeff Kirsher 252e689cf4aSJeff Kirsher if (ldn < 64) { 253e689cf4aSJeff Kirsher mask_reg = LD_IM0(ldn); 254e689cf4aSJeff Kirsher bits = LD_IM0_MASK; 255e689cf4aSJeff Kirsher } else { 256e689cf4aSJeff Kirsher mask_reg = LD_IM1(ldn - 64); 257e689cf4aSJeff Kirsher bits = LD_IM1_MASK; 258e689cf4aSJeff Kirsher } 259e689cf4aSJeff Kirsher 260e689cf4aSJeff Kirsher val = nr64(mask_reg); 261e689cf4aSJeff Kirsher if (on) 262e689cf4aSJeff Kirsher val &= ~bits; 263e689cf4aSJeff Kirsher else 264e689cf4aSJeff Kirsher val |= bits; 265e689cf4aSJeff Kirsher nw64(mask_reg, val); 266e689cf4aSJeff Kirsher 267e689cf4aSJeff Kirsher return 0; 268e689cf4aSJeff Kirsher } 269e689cf4aSJeff Kirsher 270e689cf4aSJeff Kirsher static int niu_enable_ldn_in_ldg(struct niu *np, struct niu_ldg *lp, int on) 271e689cf4aSJeff Kirsher { 272e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 273e689cf4aSJeff Kirsher int i; 274e689cf4aSJeff Kirsher 275e689cf4aSJeff Kirsher for (i = 0; i <= LDN_MAX; i++) { 276e689cf4aSJeff Kirsher int err; 277e689cf4aSJeff Kirsher 278e689cf4aSJeff Kirsher if (parent->ldg_map[i] != lp->ldg_num) 279e689cf4aSJeff Kirsher continue; 280e689cf4aSJeff Kirsher 281e689cf4aSJeff Kirsher err = niu_ldn_irq_enable(np, i, on); 282e689cf4aSJeff Kirsher if (err) 283e689cf4aSJeff Kirsher return err; 284e689cf4aSJeff Kirsher } 285e689cf4aSJeff Kirsher return 0; 286e689cf4aSJeff Kirsher } 287e689cf4aSJeff Kirsher 288e689cf4aSJeff Kirsher static int niu_enable_interrupts(struct niu *np, int on) 289e689cf4aSJeff Kirsher { 290e689cf4aSJeff Kirsher int i; 291e689cf4aSJeff Kirsher 292e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg; i++) { 293e689cf4aSJeff Kirsher struct niu_ldg *lp = &np->ldg[i]; 294e689cf4aSJeff Kirsher int err; 295e689cf4aSJeff Kirsher 296e689cf4aSJeff Kirsher err = niu_enable_ldn_in_ldg(np, lp, on); 297e689cf4aSJeff Kirsher if (err) 298e689cf4aSJeff Kirsher return err; 299e689cf4aSJeff Kirsher } 300e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg; i++) 301e689cf4aSJeff Kirsher niu_ldg_rearm(np, &np->ldg[i], on); 302e689cf4aSJeff Kirsher 303e689cf4aSJeff Kirsher return 0; 304e689cf4aSJeff Kirsher } 305e689cf4aSJeff Kirsher 306e689cf4aSJeff Kirsher static u32 phy_encode(u32 type, int port) 307e689cf4aSJeff Kirsher { 308e689cf4aSJeff Kirsher return type << (port * 2); 309e689cf4aSJeff Kirsher } 310e689cf4aSJeff Kirsher 311e689cf4aSJeff Kirsher static u32 phy_decode(u32 val, int port) 312e689cf4aSJeff Kirsher { 313e689cf4aSJeff Kirsher return (val >> (port * 2)) & PORT_TYPE_MASK; 314e689cf4aSJeff Kirsher } 315e689cf4aSJeff Kirsher 316e689cf4aSJeff Kirsher static int mdio_wait(struct niu *np) 317e689cf4aSJeff Kirsher { 318e689cf4aSJeff Kirsher int limit = 1000; 319e689cf4aSJeff Kirsher u64 val; 320e689cf4aSJeff Kirsher 321e689cf4aSJeff Kirsher while (--limit > 0) { 322e689cf4aSJeff Kirsher val = nr64(MIF_FRAME_OUTPUT); 323e689cf4aSJeff Kirsher if ((val >> MIF_FRAME_OUTPUT_TA_SHIFT) & 0x1) 324e689cf4aSJeff Kirsher return val & MIF_FRAME_OUTPUT_DATA; 325e689cf4aSJeff Kirsher 326e689cf4aSJeff Kirsher udelay(10); 327e689cf4aSJeff Kirsher } 328e689cf4aSJeff Kirsher 329e689cf4aSJeff Kirsher return -ENODEV; 330e689cf4aSJeff Kirsher } 331e689cf4aSJeff Kirsher 332e689cf4aSJeff Kirsher static int mdio_read(struct niu *np, int port, int dev, int reg) 333e689cf4aSJeff Kirsher { 334e689cf4aSJeff Kirsher int err; 335e689cf4aSJeff Kirsher 336e689cf4aSJeff Kirsher nw64(MIF_FRAME_OUTPUT, MDIO_ADDR_OP(port, dev, reg)); 337e689cf4aSJeff Kirsher err = mdio_wait(np); 338e689cf4aSJeff Kirsher if (err < 0) 339e689cf4aSJeff Kirsher return err; 340e689cf4aSJeff Kirsher 341e689cf4aSJeff Kirsher nw64(MIF_FRAME_OUTPUT, MDIO_READ_OP(port, dev)); 342e689cf4aSJeff Kirsher return mdio_wait(np); 343e689cf4aSJeff Kirsher } 344e689cf4aSJeff Kirsher 345e689cf4aSJeff Kirsher static int mdio_write(struct niu *np, int port, int dev, int reg, int data) 346e689cf4aSJeff Kirsher { 347e689cf4aSJeff Kirsher int err; 348e689cf4aSJeff Kirsher 349e689cf4aSJeff Kirsher nw64(MIF_FRAME_OUTPUT, MDIO_ADDR_OP(port, dev, reg)); 350e689cf4aSJeff Kirsher err = mdio_wait(np); 351e689cf4aSJeff Kirsher if (err < 0) 352e689cf4aSJeff Kirsher return err; 353e689cf4aSJeff Kirsher 354e689cf4aSJeff Kirsher nw64(MIF_FRAME_OUTPUT, MDIO_WRITE_OP(port, dev, data)); 355e689cf4aSJeff Kirsher err = mdio_wait(np); 356e689cf4aSJeff Kirsher if (err < 0) 357e689cf4aSJeff Kirsher return err; 358e689cf4aSJeff Kirsher 359e689cf4aSJeff Kirsher return 0; 360e689cf4aSJeff Kirsher } 361e689cf4aSJeff Kirsher 362e689cf4aSJeff Kirsher static int mii_read(struct niu *np, int port, int reg) 363e689cf4aSJeff Kirsher { 364e689cf4aSJeff Kirsher nw64(MIF_FRAME_OUTPUT, MII_READ_OP(port, reg)); 365e689cf4aSJeff Kirsher return mdio_wait(np); 366e689cf4aSJeff Kirsher } 367e689cf4aSJeff Kirsher 368e689cf4aSJeff Kirsher static int mii_write(struct niu *np, int port, int reg, int data) 369e689cf4aSJeff Kirsher { 370e689cf4aSJeff Kirsher int err; 371e689cf4aSJeff Kirsher 372e689cf4aSJeff Kirsher nw64(MIF_FRAME_OUTPUT, MII_WRITE_OP(port, reg, data)); 373e689cf4aSJeff Kirsher err = mdio_wait(np); 374e689cf4aSJeff Kirsher if (err < 0) 375e689cf4aSJeff Kirsher return err; 376e689cf4aSJeff Kirsher 377e689cf4aSJeff Kirsher return 0; 378e689cf4aSJeff Kirsher } 379e689cf4aSJeff Kirsher 380e689cf4aSJeff Kirsher static int esr2_set_tx_cfg(struct niu *np, unsigned long channel, u32 val) 381e689cf4aSJeff Kirsher { 382e689cf4aSJeff Kirsher int err; 383e689cf4aSJeff Kirsher 384e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 385e689cf4aSJeff Kirsher ESR2_TI_PLL_TX_CFG_L(channel), 386e689cf4aSJeff Kirsher val & 0xffff); 387e689cf4aSJeff Kirsher if (!err) 388e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 389e689cf4aSJeff Kirsher ESR2_TI_PLL_TX_CFG_H(channel), 390e689cf4aSJeff Kirsher val >> 16); 391e689cf4aSJeff Kirsher return err; 392e689cf4aSJeff Kirsher } 393e689cf4aSJeff Kirsher 394e689cf4aSJeff Kirsher static int esr2_set_rx_cfg(struct niu *np, unsigned long channel, u32 val) 395e689cf4aSJeff Kirsher { 396e689cf4aSJeff Kirsher int err; 397e689cf4aSJeff Kirsher 398e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 399e689cf4aSJeff Kirsher ESR2_TI_PLL_RX_CFG_L(channel), 400e689cf4aSJeff Kirsher val & 0xffff); 401e689cf4aSJeff Kirsher if (!err) 402e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 403e689cf4aSJeff Kirsher ESR2_TI_PLL_RX_CFG_H(channel), 404e689cf4aSJeff Kirsher val >> 16); 405e689cf4aSJeff Kirsher return err; 406e689cf4aSJeff Kirsher } 407e689cf4aSJeff Kirsher 408e689cf4aSJeff Kirsher /* Mode is always 10G fiber. */ 409e689cf4aSJeff Kirsher static int serdes_init_niu_10g_fiber(struct niu *np) 410e689cf4aSJeff Kirsher { 411e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 412e689cf4aSJeff Kirsher u32 tx_cfg, rx_cfg; 413e689cf4aSJeff Kirsher unsigned long i; 414e689cf4aSJeff Kirsher 415e689cf4aSJeff Kirsher tx_cfg = (PLL_TX_CFG_ENTX | PLL_TX_CFG_SWING_1375MV); 416e689cf4aSJeff Kirsher rx_cfg = (PLL_RX_CFG_ENRX | PLL_RX_CFG_TERM_0P8VDDT | 417e689cf4aSJeff Kirsher PLL_RX_CFG_ALIGN_ENA | PLL_RX_CFG_LOS_LTHRESH | 418e689cf4aSJeff Kirsher PLL_RX_CFG_EQ_LP_ADAPTIVE); 419e689cf4aSJeff Kirsher 420e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) { 421e689cf4aSJeff Kirsher u16 test_cfg = PLL_TEST_CFG_LOOPBACK_CML_DIS; 422e689cf4aSJeff Kirsher 423e689cf4aSJeff Kirsher mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 424e689cf4aSJeff Kirsher ESR2_TI_PLL_TEST_CFG_L, test_cfg); 425e689cf4aSJeff Kirsher 426e689cf4aSJeff Kirsher tx_cfg |= PLL_TX_CFG_ENTEST; 427e689cf4aSJeff Kirsher rx_cfg |= PLL_RX_CFG_ENTEST; 428e689cf4aSJeff Kirsher } 429e689cf4aSJeff Kirsher 430e689cf4aSJeff Kirsher /* Initialize all 4 lanes of the SERDES. */ 431e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 432e689cf4aSJeff Kirsher int err = esr2_set_tx_cfg(np, i, tx_cfg); 433e689cf4aSJeff Kirsher if (err) 434e689cf4aSJeff Kirsher return err; 435e689cf4aSJeff Kirsher } 436e689cf4aSJeff Kirsher 437e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 438e689cf4aSJeff Kirsher int err = esr2_set_rx_cfg(np, i, rx_cfg); 439e689cf4aSJeff Kirsher if (err) 440e689cf4aSJeff Kirsher return err; 441e689cf4aSJeff Kirsher } 442e689cf4aSJeff Kirsher 443e689cf4aSJeff Kirsher return 0; 444e689cf4aSJeff Kirsher } 445e689cf4aSJeff Kirsher 446e689cf4aSJeff Kirsher static int serdes_init_niu_1g_serdes(struct niu *np) 447e689cf4aSJeff Kirsher { 448e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 449e689cf4aSJeff Kirsher u16 pll_cfg, pll_sts; 450e689cf4aSJeff Kirsher int max_retry = 100; 4513f649ab7SKees Cook u64 sig, mask, val; 452e689cf4aSJeff Kirsher u32 tx_cfg, rx_cfg; 453e689cf4aSJeff Kirsher unsigned long i; 454e689cf4aSJeff Kirsher int err; 455e689cf4aSJeff Kirsher 456e689cf4aSJeff Kirsher tx_cfg = (PLL_TX_CFG_ENTX | PLL_TX_CFG_SWING_1375MV | 457e689cf4aSJeff Kirsher PLL_TX_CFG_RATE_HALF); 458e689cf4aSJeff Kirsher rx_cfg = (PLL_RX_CFG_ENRX | PLL_RX_CFG_TERM_0P8VDDT | 459e689cf4aSJeff Kirsher PLL_RX_CFG_ALIGN_ENA | PLL_RX_CFG_LOS_LTHRESH | 460e689cf4aSJeff Kirsher PLL_RX_CFG_RATE_HALF); 461e689cf4aSJeff Kirsher 462e689cf4aSJeff Kirsher if (np->port == 0) 463e689cf4aSJeff Kirsher rx_cfg |= PLL_RX_CFG_EQ_LP_ADAPTIVE; 464e689cf4aSJeff Kirsher 465e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) { 466e689cf4aSJeff Kirsher u16 test_cfg = PLL_TEST_CFG_LOOPBACK_CML_DIS; 467e689cf4aSJeff Kirsher 468e689cf4aSJeff Kirsher mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 469e689cf4aSJeff Kirsher ESR2_TI_PLL_TEST_CFG_L, test_cfg); 470e689cf4aSJeff Kirsher 471e689cf4aSJeff Kirsher tx_cfg |= PLL_TX_CFG_ENTEST; 472e689cf4aSJeff Kirsher rx_cfg |= PLL_RX_CFG_ENTEST; 473e689cf4aSJeff Kirsher } 474e689cf4aSJeff Kirsher 475e689cf4aSJeff Kirsher /* Initialize PLL for 1G */ 476e689cf4aSJeff Kirsher pll_cfg = (PLL_CFG_ENPLL | PLL_CFG_MPY_8X); 477e689cf4aSJeff Kirsher 478e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 479e689cf4aSJeff Kirsher ESR2_TI_PLL_CFG_L, pll_cfg); 480e689cf4aSJeff Kirsher if (err) { 481e689cf4aSJeff Kirsher netdev_err(np->dev, "NIU Port %d %s() mdio write to ESR2_TI_PLL_CFG_L failed\n", 482e689cf4aSJeff Kirsher np->port, __func__); 483e689cf4aSJeff Kirsher return err; 484e689cf4aSJeff Kirsher } 485e689cf4aSJeff Kirsher 486e689cf4aSJeff Kirsher pll_sts = PLL_CFG_ENPLL; 487e689cf4aSJeff Kirsher 488e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 489e689cf4aSJeff Kirsher ESR2_TI_PLL_STS_L, pll_sts); 490e689cf4aSJeff Kirsher if (err) { 491e689cf4aSJeff Kirsher netdev_err(np->dev, "NIU Port %d %s() mdio write to ESR2_TI_PLL_STS_L failed\n", 492e689cf4aSJeff Kirsher np->port, __func__); 493e689cf4aSJeff Kirsher return err; 494e689cf4aSJeff Kirsher } 495e689cf4aSJeff Kirsher 496e689cf4aSJeff Kirsher udelay(200); 497e689cf4aSJeff Kirsher 498e689cf4aSJeff Kirsher /* Initialize all 4 lanes of the SERDES. */ 499e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 500e689cf4aSJeff Kirsher err = esr2_set_tx_cfg(np, i, tx_cfg); 501e689cf4aSJeff Kirsher if (err) 502e689cf4aSJeff Kirsher return err; 503e689cf4aSJeff Kirsher } 504e689cf4aSJeff Kirsher 505e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 506e689cf4aSJeff Kirsher err = esr2_set_rx_cfg(np, i, rx_cfg); 507e689cf4aSJeff Kirsher if (err) 508e689cf4aSJeff Kirsher return err; 509e689cf4aSJeff Kirsher } 510e689cf4aSJeff Kirsher 511e689cf4aSJeff Kirsher switch (np->port) { 512e689cf4aSJeff Kirsher case 0: 513e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P0 | ESR_INT_DET0_P0); 514e689cf4aSJeff Kirsher mask = val; 515e689cf4aSJeff Kirsher break; 516e689cf4aSJeff Kirsher 517e689cf4aSJeff Kirsher case 1: 518e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P1 | ESR_INT_DET0_P1); 519e689cf4aSJeff Kirsher mask = val; 520e689cf4aSJeff Kirsher break; 521e689cf4aSJeff Kirsher 522e689cf4aSJeff Kirsher default: 523e689cf4aSJeff Kirsher return -EINVAL; 524e689cf4aSJeff Kirsher } 525e689cf4aSJeff Kirsher 526e689cf4aSJeff Kirsher while (max_retry--) { 527e689cf4aSJeff Kirsher sig = nr64(ESR_INT_SIGNALS); 528e689cf4aSJeff Kirsher if ((sig & mask) == val) 529e689cf4aSJeff Kirsher break; 530e689cf4aSJeff Kirsher 531e689cf4aSJeff Kirsher mdelay(500); 532e689cf4aSJeff Kirsher } 533e689cf4aSJeff Kirsher 534e689cf4aSJeff Kirsher if ((sig & mask) != val) { 535e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u signal bits [%08x] are not [%08x]\n", 536e689cf4aSJeff Kirsher np->port, (int)(sig & mask), (int)val); 537e689cf4aSJeff Kirsher return -ENODEV; 538e689cf4aSJeff Kirsher } 539e689cf4aSJeff Kirsher 540e689cf4aSJeff Kirsher return 0; 541e689cf4aSJeff Kirsher } 542e689cf4aSJeff Kirsher 543e689cf4aSJeff Kirsher static int serdes_init_niu_10g_serdes(struct niu *np) 544e689cf4aSJeff Kirsher { 545e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 546e689cf4aSJeff Kirsher u32 tx_cfg, rx_cfg, pll_cfg, pll_sts; 547e689cf4aSJeff Kirsher int max_retry = 100; 5483f649ab7SKees Cook u64 sig, mask, val; 549e689cf4aSJeff Kirsher unsigned long i; 550e689cf4aSJeff Kirsher int err; 551e689cf4aSJeff Kirsher 552e689cf4aSJeff Kirsher tx_cfg = (PLL_TX_CFG_ENTX | PLL_TX_CFG_SWING_1375MV); 553e689cf4aSJeff Kirsher rx_cfg = (PLL_RX_CFG_ENRX | PLL_RX_CFG_TERM_0P8VDDT | 554e689cf4aSJeff Kirsher PLL_RX_CFG_ALIGN_ENA | PLL_RX_CFG_LOS_LTHRESH | 555e689cf4aSJeff Kirsher PLL_RX_CFG_EQ_LP_ADAPTIVE); 556e689cf4aSJeff Kirsher 557e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) { 558e689cf4aSJeff Kirsher u16 test_cfg = PLL_TEST_CFG_LOOPBACK_CML_DIS; 559e689cf4aSJeff Kirsher 560e689cf4aSJeff Kirsher mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 561e689cf4aSJeff Kirsher ESR2_TI_PLL_TEST_CFG_L, test_cfg); 562e689cf4aSJeff Kirsher 563e689cf4aSJeff Kirsher tx_cfg |= PLL_TX_CFG_ENTEST; 564e689cf4aSJeff Kirsher rx_cfg |= PLL_RX_CFG_ENTEST; 565e689cf4aSJeff Kirsher } 566e689cf4aSJeff Kirsher 567e689cf4aSJeff Kirsher /* Initialize PLL for 10G */ 568e689cf4aSJeff Kirsher pll_cfg = (PLL_CFG_ENPLL | PLL_CFG_MPY_10X); 569e689cf4aSJeff Kirsher 570e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 571e689cf4aSJeff Kirsher ESR2_TI_PLL_CFG_L, pll_cfg & 0xffff); 572e689cf4aSJeff Kirsher if (err) { 573e689cf4aSJeff Kirsher netdev_err(np->dev, "NIU Port %d %s() mdio write to ESR2_TI_PLL_CFG_L failed\n", 574e689cf4aSJeff Kirsher np->port, __func__); 575e689cf4aSJeff Kirsher return err; 576e689cf4aSJeff Kirsher } 577e689cf4aSJeff Kirsher 578e689cf4aSJeff Kirsher pll_sts = PLL_CFG_ENPLL; 579e689cf4aSJeff Kirsher 580e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 581e689cf4aSJeff Kirsher ESR2_TI_PLL_STS_L, pll_sts & 0xffff); 582e689cf4aSJeff Kirsher if (err) { 583e689cf4aSJeff Kirsher netdev_err(np->dev, "NIU Port %d %s() mdio write to ESR2_TI_PLL_STS_L failed\n", 584e689cf4aSJeff Kirsher np->port, __func__); 585e689cf4aSJeff Kirsher return err; 586e689cf4aSJeff Kirsher } 587e689cf4aSJeff Kirsher 588e689cf4aSJeff Kirsher udelay(200); 589e689cf4aSJeff Kirsher 590e689cf4aSJeff Kirsher /* Initialize all 4 lanes of the SERDES. */ 591e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 592e689cf4aSJeff Kirsher err = esr2_set_tx_cfg(np, i, tx_cfg); 593e689cf4aSJeff Kirsher if (err) 594e689cf4aSJeff Kirsher return err; 595e689cf4aSJeff Kirsher } 596e689cf4aSJeff Kirsher 597e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 598e689cf4aSJeff Kirsher err = esr2_set_rx_cfg(np, i, rx_cfg); 599e689cf4aSJeff Kirsher if (err) 600e689cf4aSJeff Kirsher return err; 601e689cf4aSJeff Kirsher } 602e689cf4aSJeff Kirsher 603e689cf4aSJeff Kirsher /* check if serdes is ready */ 604e689cf4aSJeff Kirsher 605e689cf4aSJeff Kirsher switch (np->port) { 606e689cf4aSJeff Kirsher case 0: 607e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P0_BITS; 608e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P0 | 609e689cf4aSJeff Kirsher ESR_INT_DET0_P0 | 610e689cf4aSJeff Kirsher ESR_INT_XSRDY_P0 | 611e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH3 | 612e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH2 | 613e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH1 | 614e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH0); 615e689cf4aSJeff Kirsher break; 616e689cf4aSJeff Kirsher 617e689cf4aSJeff Kirsher case 1: 618e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P1_BITS; 619e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P1 | 620e689cf4aSJeff Kirsher ESR_INT_DET0_P1 | 621e689cf4aSJeff Kirsher ESR_INT_XSRDY_P1 | 622e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH3 | 623e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH2 | 624e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH1 | 625e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH0); 626e689cf4aSJeff Kirsher break; 627e689cf4aSJeff Kirsher 628e689cf4aSJeff Kirsher default: 629e689cf4aSJeff Kirsher return -EINVAL; 630e689cf4aSJeff Kirsher } 631e689cf4aSJeff Kirsher 632e689cf4aSJeff Kirsher while (max_retry--) { 633e689cf4aSJeff Kirsher sig = nr64(ESR_INT_SIGNALS); 634e689cf4aSJeff Kirsher if ((sig & mask) == val) 635e689cf4aSJeff Kirsher break; 636e689cf4aSJeff Kirsher 637e689cf4aSJeff Kirsher mdelay(500); 638e689cf4aSJeff Kirsher } 639e689cf4aSJeff Kirsher 640e689cf4aSJeff Kirsher if ((sig & mask) != val) { 641e689cf4aSJeff Kirsher pr_info("NIU Port %u signal bits [%08x] are not [%08x] for 10G...trying 1G\n", 642e689cf4aSJeff Kirsher np->port, (int)(sig & mask), (int)val); 643e689cf4aSJeff Kirsher 644e689cf4aSJeff Kirsher /* 10G failed, try initializing at 1G */ 645e689cf4aSJeff Kirsher err = serdes_init_niu_1g_serdes(np); 646e689cf4aSJeff Kirsher if (!err) { 647e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_10G; 648e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_PCS; 649e689cf4aSJeff Kirsher } else { 650e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u 10G/1G SERDES Link Failed\n", 651e689cf4aSJeff Kirsher np->port); 652e689cf4aSJeff Kirsher return -ENODEV; 653e689cf4aSJeff Kirsher } 654e689cf4aSJeff Kirsher } 655e689cf4aSJeff Kirsher return 0; 656e689cf4aSJeff Kirsher } 657e689cf4aSJeff Kirsher 658e689cf4aSJeff Kirsher static int esr_read_rxtx_ctrl(struct niu *np, unsigned long chan, u32 *val) 659e689cf4aSJeff Kirsher { 660e689cf4aSJeff Kirsher int err; 661e689cf4aSJeff Kirsher 662e689cf4aSJeff Kirsher err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, ESR_RXTX_CTRL_L(chan)); 663e689cf4aSJeff Kirsher if (err >= 0) { 664e689cf4aSJeff Kirsher *val = (err & 0xffff); 665e689cf4aSJeff Kirsher err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, 666e689cf4aSJeff Kirsher ESR_RXTX_CTRL_H(chan)); 667e689cf4aSJeff Kirsher if (err >= 0) 668e689cf4aSJeff Kirsher *val |= ((err & 0xffff) << 16); 669e689cf4aSJeff Kirsher err = 0; 670e689cf4aSJeff Kirsher } 671e689cf4aSJeff Kirsher return err; 672e689cf4aSJeff Kirsher } 673e689cf4aSJeff Kirsher 674e689cf4aSJeff Kirsher static int esr_read_glue0(struct niu *np, unsigned long chan, u32 *val) 675e689cf4aSJeff Kirsher { 676e689cf4aSJeff Kirsher int err; 677e689cf4aSJeff Kirsher 678e689cf4aSJeff Kirsher err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, 679e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_L(chan)); 680e689cf4aSJeff Kirsher if (err >= 0) { 681e689cf4aSJeff Kirsher *val = (err & 0xffff); 682e689cf4aSJeff Kirsher err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, 683e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_H(chan)); 684e689cf4aSJeff Kirsher if (err >= 0) { 685e689cf4aSJeff Kirsher *val |= ((err & 0xffff) << 16); 686e689cf4aSJeff Kirsher err = 0; 687e689cf4aSJeff Kirsher } 688e689cf4aSJeff Kirsher } 689e689cf4aSJeff Kirsher return err; 690e689cf4aSJeff Kirsher } 691e689cf4aSJeff Kirsher 692e689cf4aSJeff Kirsher static int esr_read_reset(struct niu *np, u32 *val) 693e689cf4aSJeff Kirsher { 694e689cf4aSJeff Kirsher int err; 695e689cf4aSJeff Kirsher 696e689cf4aSJeff Kirsher err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, 697e689cf4aSJeff Kirsher ESR_RXTX_RESET_CTRL_L); 698e689cf4aSJeff Kirsher if (err >= 0) { 699e689cf4aSJeff Kirsher *val = (err & 0xffff); 700e689cf4aSJeff Kirsher err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, 701e689cf4aSJeff Kirsher ESR_RXTX_RESET_CTRL_H); 702e689cf4aSJeff Kirsher if (err >= 0) { 703e689cf4aSJeff Kirsher *val |= ((err & 0xffff) << 16); 704e689cf4aSJeff Kirsher err = 0; 705e689cf4aSJeff Kirsher } 706e689cf4aSJeff Kirsher } 707e689cf4aSJeff Kirsher return err; 708e689cf4aSJeff Kirsher } 709e689cf4aSJeff Kirsher 710e689cf4aSJeff Kirsher static int esr_write_rxtx_ctrl(struct niu *np, unsigned long chan, u32 val) 711e689cf4aSJeff Kirsher { 712e689cf4aSJeff Kirsher int err; 713e689cf4aSJeff Kirsher 714e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 715e689cf4aSJeff Kirsher ESR_RXTX_CTRL_L(chan), val & 0xffff); 716e689cf4aSJeff Kirsher if (!err) 717e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 718e689cf4aSJeff Kirsher ESR_RXTX_CTRL_H(chan), (val >> 16)); 719e689cf4aSJeff Kirsher return err; 720e689cf4aSJeff Kirsher } 721e689cf4aSJeff Kirsher 722e689cf4aSJeff Kirsher static int esr_write_glue0(struct niu *np, unsigned long chan, u32 val) 723e689cf4aSJeff Kirsher { 724e689cf4aSJeff Kirsher int err; 725e689cf4aSJeff Kirsher 726e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 727e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_L(chan), val & 0xffff); 728e689cf4aSJeff Kirsher if (!err) 729e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 730e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_H(chan), (val >> 16)); 731e689cf4aSJeff Kirsher return err; 732e689cf4aSJeff Kirsher } 733e689cf4aSJeff Kirsher 734e689cf4aSJeff Kirsher static int esr_reset(struct niu *np) 735e689cf4aSJeff Kirsher { 7363f649ab7SKees Cook u32 reset; 737e689cf4aSJeff Kirsher int err; 738e689cf4aSJeff Kirsher 739e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 740e689cf4aSJeff Kirsher ESR_RXTX_RESET_CTRL_L, 0x0000); 741e689cf4aSJeff Kirsher if (err) 742e689cf4aSJeff Kirsher return err; 743e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 744e689cf4aSJeff Kirsher ESR_RXTX_RESET_CTRL_H, 0xffff); 745e689cf4aSJeff Kirsher if (err) 746e689cf4aSJeff Kirsher return err; 747e689cf4aSJeff Kirsher udelay(200); 748e689cf4aSJeff Kirsher 749e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 750e689cf4aSJeff Kirsher ESR_RXTX_RESET_CTRL_L, 0xffff); 751e689cf4aSJeff Kirsher if (err) 752e689cf4aSJeff Kirsher return err; 753e689cf4aSJeff Kirsher udelay(200); 754e689cf4aSJeff Kirsher 755e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 756e689cf4aSJeff Kirsher ESR_RXTX_RESET_CTRL_H, 0x0000); 757e689cf4aSJeff Kirsher if (err) 758e689cf4aSJeff Kirsher return err; 759e689cf4aSJeff Kirsher udelay(200); 760e689cf4aSJeff Kirsher 761e689cf4aSJeff Kirsher err = esr_read_reset(np, &reset); 762e689cf4aSJeff Kirsher if (err) 763e689cf4aSJeff Kirsher return err; 764e689cf4aSJeff Kirsher if (reset != 0) { 765e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u ESR_RESET did not clear [%08x]\n", 766e689cf4aSJeff Kirsher np->port, reset); 767e689cf4aSJeff Kirsher return -ENODEV; 768e689cf4aSJeff Kirsher } 769e689cf4aSJeff Kirsher 770e689cf4aSJeff Kirsher return 0; 771e689cf4aSJeff Kirsher } 772e689cf4aSJeff Kirsher 773e689cf4aSJeff Kirsher static int serdes_init_10g(struct niu *np) 774e689cf4aSJeff Kirsher { 775e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 776e689cf4aSJeff Kirsher unsigned long ctrl_reg, test_cfg_reg, i; 777e689cf4aSJeff Kirsher u64 ctrl_val, test_cfg_val, sig, mask, val; 778e689cf4aSJeff Kirsher int err; 779e689cf4aSJeff Kirsher 780e689cf4aSJeff Kirsher switch (np->port) { 781e689cf4aSJeff Kirsher case 0: 782e689cf4aSJeff Kirsher ctrl_reg = ENET_SERDES_0_CTRL_CFG; 783e689cf4aSJeff Kirsher test_cfg_reg = ENET_SERDES_0_TEST_CFG; 784e689cf4aSJeff Kirsher break; 785e689cf4aSJeff Kirsher case 1: 786e689cf4aSJeff Kirsher ctrl_reg = ENET_SERDES_1_CTRL_CFG; 787e689cf4aSJeff Kirsher test_cfg_reg = ENET_SERDES_1_TEST_CFG; 788e689cf4aSJeff Kirsher break; 789e689cf4aSJeff Kirsher 790e689cf4aSJeff Kirsher default: 791e689cf4aSJeff Kirsher return -EINVAL; 792e689cf4aSJeff Kirsher } 793e689cf4aSJeff Kirsher ctrl_val = (ENET_SERDES_CTRL_SDET_0 | 794e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_1 | 795e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_2 | 796e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_3 | 797e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_0_SHIFT) | 798e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_1_SHIFT) | 799e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_2_SHIFT) | 800e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_3_SHIFT) | 801e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_0_SHIFT) | 802e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_1_SHIFT) | 803e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_2_SHIFT) | 804e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_3_SHIFT)); 805e689cf4aSJeff Kirsher test_cfg_val = 0; 806e689cf4aSJeff Kirsher 807e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) { 808e689cf4aSJeff Kirsher test_cfg_val |= ((ENET_TEST_MD_PAD_LOOPBACK << 809e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_0_SHIFT) | 810e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 811e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_1_SHIFT) | 812e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 813e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_2_SHIFT) | 814e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 815e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_3_SHIFT)); 816e689cf4aSJeff Kirsher } 817e689cf4aSJeff Kirsher 818e689cf4aSJeff Kirsher nw64(ctrl_reg, ctrl_val); 819e689cf4aSJeff Kirsher nw64(test_cfg_reg, test_cfg_val); 820e689cf4aSJeff Kirsher 821e689cf4aSJeff Kirsher /* Initialize all 4 lanes of the SERDES. */ 822e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 823e689cf4aSJeff Kirsher u32 rxtx_ctrl, glue0; 824e689cf4aSJeff Kirsher 825e689cf4aSJeff Kirsher err = esr_read_rxtx_ctrl(np, i, &rxtx_ctrl); 826e689cf4aSJeff Kirsher if (err) 827e689cf4aSJeff Kirsher return err; 828e689cf4aSJeff Kirsher err = esr_read_glue0(np, i, &glue0); 829e689cf4aSJeff Kirsher if (err) 830e689cf4aSJeff Kirsher return err; 831e689cf4aSJeff Kirsher 832e689cf4aSJeff Kirsher rxtx_ctrl &= ~(ESR_RXTX_CTRL_VMUXLO); 833e689cf4aSJeff Kirsher rxtx_ctrl |= (ESR_RXTX_CTRL_ENSTRETCH | 834e689cf4aSJeff Kirsher (2 << ESR_RXTX_CTRL_VMUXLO_SHIFT)); 835e689cf4aSJeff Kirsher 836e689cf4aSJeff Kirsher glue0 &= ~(ESR_GLUE_CTRL0_SRATE | 837e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_THCNT | 838e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_BLTIME); 839e689cf4aSJeff Kirsher glue0 |= (ESR_GLUE_CTRL0_RXLOSENAB | 840e689cf4aSJeff Kirsher (0xf << ESR_GLUE_CTRL0_SRATE_SHIFT) | 841e689cf4aSJeff Kirsher (0xff << ESR_GLUE_CTRL0_THCNT_SHIFT) | 842e689cf4aSJeff Kirsher (BLTIME_300_CYCLES << 843e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_BLTIME_SHIFT)); 844e689cf4aSJeff Kirsher 845e689cf4aSJeff Kirsher err = esr_write_rxtx_ctrl(np, i, rxtx_ctrl); 846e689cf4aSJeff Kirsher if (err) 847e689cf4aSJeff Kirsher return err; 848e689cf4aSJeff Kirsher err = esr_write_glue0(np, i, glue0); 849e689cf4aSJeff Kirsher if (err) 850e689cf4aSJeff Kirsher return err; 851e689cf4aSJeff Kirsher } 852e689cf4aSJeff Kirsher 853e689cf4aSJeff Kirsher err = esr_reset(np); 854e689cf4aSJeff Kirsher if (err) 855e689cf4aSJeff Kirsher return err; 856e689cf4aSJeff Kirsher 857e689cf4aSJeff Kirsher sig = nr64(ESR_INT_SIGNALS); 858e689cf4aSJeff Kirsher switch (np->port) { 859e689cf4aSJeff Kirsher case 0: 860e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P0_BITS; 861e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P0 | 862e689cf4aSJeff Kirsher ESR_INT_DET0_P0 | 863e689cf4aSJeff Kirsher ESR_INT_XSRDY_P0 | 864e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH3 | 865e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH2 | 866e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH1 | 867e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH0); 868e689cf4aSJeff Kirsher break; 869e689cf4aSJeff Kirsher 870e689cf4aSJeff Kirsher case 1: 871e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P1_BITS; 872e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P1 | 873e689cf4aSJeff Kirsher ESR_INT_DET0_P1 | 874e689cf4aSJeff Kirsher ESR_INT_XSRDY_P1 | 875e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH3 | 876e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH2 | 877e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH1 | 878e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH0); 879e689cf4aSJeff Kirsher break; 880e689cf4aSJeff Kirsher 881e689cf4aSJeff Kirsher default: 882e689cf4aSJeff Kirsher return -EINVAL; 883e689cf4aSJeff Kirsher } 884e689cf4aSJeff Kirsher 885e689cf4aSJeff Kirsher if ((sig & mask) != val) { 886e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_HOTPLUG_PHY) { 887e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_HOTPLUG_PHY_PRESENT; 888e689cf4aSJeff Kirsher return 0; 889e689cf4aSJeff Kirsher } 890e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u signal bits [%08x] are not [%08x]\n", 891e689cf4aSJeff Kirsher np->port, (int)(sig & mask), (int)val); 892e689cf4aSJeff Kirsher return -ENODEV; 893e689cf4aSJeff Kirsher } 894e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_HOTPLUG_PHY) 895e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_HOTPLUG_PHY_PRESENT; 896e689cf4aSJeff Kirsher return 0; 897e689cf4aSJeff Kirsher } 898e689cf4aSJeff Kirsher 899e689cf4aSJeff Kirsher static int serdes_init_1g(struct niu *np) 900e689cf4aSJeff Kirsher { 901e689cf4aSJeff Kirsher u64 val; 902e689cf4aSJeff Kirsher 903e689cf4aSJeff Kirsher val = nr64(ENET_SERDES_1_PLL_CFG); 904e689cf4aSJeff Kirsher val &= ~ENET_SERDES_PLL_FBDIV2; 905e689cf4aSJeff Kirsher switch (np->port) { 906e689cf4aSJeff Kirsher case 0: 907e689cf4aSJeff Kirsher val |= ENET_SERDES_PLL_HRATE0; 908e689cf4aSJeff Kirsher break; 909e689cf4aSJeff Kirsher case 1: 910e689cf4aSJeff Kirsher val |= ENET_SERDES_PLL_HRATE1; 911e689cf4aSJeff Kirsher break; 912e689cf4aSJeff Kirsher case 2: 913e689cf4aSJeff Kirsher val |= ENET_SERDES_PLL_HRATE2; 914e689cf4aSJeff Kirsher break; 915e689cf4aSJeff Kirsher case 3: 916e689cf4aSJeff Kirsher val |= ENET_SERDES_PLL_HRATE3; 917e689cf4aSJeff Kirsher break; 918e689cf4aSJeff Kirsher default: 919e689cf4aSJeff Kirsher return -EINVAL; 920e689cf4aSJeff Kirsher } 921e689cf4aSJeff Kirsher nw64(ENET_SERDES_1_PLL_CFG, val); 922e689cf4aSJeff Kirsher 923e689cf4aSJeff Kirsher return 0; 924e689cf4aSJeff Kirsher } 925e689cf4aSJeff Kirsher 926e689cf4aSJeff Kirsher static int serdes_init_1g_serdes(struct niu *np) 927e689cf4aSJeff Kirsher { 928e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 929e689cf4aSJeff Kirsher unsigned long ctrl_reg, test_cfg_reg, pll_cfg, i; 930e689cf4aSJeff Kirsher u64 ctrl_val, test_cfg_val, sig, mask, val; 931e689cf4aSJeff Kirsher int err; 932e689cf4aSJeff Kirsher u64 reset_val, val_rd; 933e689cf4aSJeff Kirsher 934e689cf4aSJeff Kirsher val = ENET_SERDES_PLL_HRATE0 | ENET_SERDES_PLL_HRATE1 | 935e689cf4aSJeff Kirsher ENET_SERDES_PLL_HRATE2 | ENET_SERDES_PLL_HRATE3 | 936e689cf4aSJeff Kirsher ENET_SERDES_PLL_FBDIV0; 937e689cf4aSJeff Kirsher switch (np->port) { 938e689cf4aSJeff Kirsher case 0: 939e689cf4aSJeff Kirsher reset_val = ENET_SERDES_RESET_0; 940e689cf4aSJeff Kirsher ctrl_reg = ENET_SERDES_0_CTRL_CFG; 941e689cf4aSJeff Kirsher test_cfg_reg = ENET_SERDES_0_TEST_CFG; 942e689cf4aSJeff Kirsher pll_cfg = ENET_SERDES_0_PLL_CFG; 943e689cf4aSJeff Kirsher break; 944e689cf4aSJeff Kirsher case 1: 945e689cf4aSJeff Kirsher reset_val = ENET_SERDES_RESET_1; 946e689cf4aSJeff Kirsher ctrl_reg = ENET_SERDES_1_CTRL_CFG; 947e689cf4aSJeff Kirsher test_cfg_reg = ENET_SERDES_1_TEST_CFG; 948e689cf4aSJeff Kirsher pll_cfg = ENET_SERDES_1_PLL_CFG; 949e689cf4aSJeff Kirsher break; 950e689cf4aSJeff Kirsher 951e689cf4aSJeff Kirsher default: 952e689cf4aSJeff Kirsher return -EINVAL; 953e689cf4aSJeff Kirsher } 954e689cf4aSJeff Kirsher ctrl_val = (ENET_SERDES_CTRL_SDET_0 | 955e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_1 | 956e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_2 | 957e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_3 | 958e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_0_SHIFT) | 959e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_1_SHIFT) | 960e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_2_SHIFT) | 961e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_3_SHIFT) | 962e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_0_SHIFT) | 963e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_1_SHIFT) | 964e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_2_SHIFT) | 965e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_3_SHIFT)); 966e689cf4aSJeff Kirsher test_cfg_val = 0; 967e689cf4aSJeff Kirsher 968e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) { 969e689cf4aSJeff Kirsher test_cfg_val |= ((ENET_TEST_MD_PAD_LOOPBACK << 970e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_0_SHIFT) | 971e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 972e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_1_SHIFT) | 973e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 974e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_2_SHIFT) | 975e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 976e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_3_SHIFT)); 977e689cf4aSJeff Kirsher } 978e689cf4aSJeff Kirsher 979e689cf4aSJeff Kirsher nw64(ENET_SERDES_RESET, reset_val); 980e689cf4aSJeff Kirsher mdelay(20); 981e689cf4aSJeff Kirsher val_rd = nr64(ENET_SERDES_RESET); 982e689cf4aSJeff Kirsher val_rd &= ~reset_val; 983e689cf4aSJeff Kirsher nw64(pll_cfg, val); 984e689cf4aSJeff Kirsher nw64(ctrl_reg, ctrl_val); 985e689cf4aSJeff Kirsher nw64(test_cfg_reg, test_cfg_val); 986e689cf4aSJeff Kirsher nw64(ENET_SERDES_RESET, val_rd); 987e689cf4aSJeff Kirsher mdelay(2000); 988e689cf4aSJeff Kirsher 989e689cf4aSJeff Kirsher /* Initialize all 4 lanes of the SERDES. */ 990e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 991e689cf4aSJeff Kirsher u32 rxtx_ctrl, glue0; 992e689cf4aSJeff Kirsher 993e689cf4aSJeff Kirsher err = esr_read_rxtx_ctrl(np, i, &rxtx_ctrl); 994e689cf4aSJeff Kirsher if (err) 995e689cf4aSJeff Kirsher return err; 996e689cf4aSJeff Kirsher err = esr_read_glue0(np, i, &glue0); 997e689cf4aSJeff Kirsher if (err) 998e689cf4aSJeff Kirsher return err; 999e689cf4aSJeff Kirsher 1000e689cf4aSJeff Kirsher rxtx_ctrl &= ~(ESR_RXTX_CTRL_VMUXLO); 1001e689cf4aSJeff Kirsher rxtx_ctrl |= (ESR_RXTX_CTRL_ENSTRETCH | 1002e689cf4aSJeff Kirsher (2 << ESR_RXTX_CTRL_VMUXLO_SHIFT)); 1003e689cf4aSJeff Kirsher 1004e689cf4aSJeff Kirsher glue0 &= ~(ESR_GLUE_CTRL0_SRATE | 1005e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_THCNT | 1006e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_BLTIME); 1007e689cf4aSJeff Kirsher glue0 |= (ESR_GLUE_CTRL0_RXLOSENAB | 1008e689cf4aSJeff Kirsher (0xf << ESR_GLUE_CTRL0_SRATE_SHIFT) | 1009e689cf4aSJeff Kirsher (0xff << ESR_GLUE_CTRL0_THCNT_SHIFT) | 1010e689cf4aSJeff Kirsher (BLTIME_300_CYCLES << 1011e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_BLTIME_SHIFT)); 1012e689cf4aSJeff Kirsher 1013e689cf4aSJeff Kirsher err = esr_write_rxtx_ctrl(np, i, rxtx_ctrl); 1014e689cf4aSJeff Kirsher if (err) 1015e689cf4aSJeff Kirsher return err; 1016e689cf4aSJeff Kirsher err = esr_write_glue0(np, i, glue0); 1017e689cf4aSJeff Kirsher if (err) 1018e689cf4aSJeff Kirsher return err; 1019e689cf4aSJeff Kirsher } 1020e689cf4aSJeff Kirsher 1021e689cf4aSJeff Kirsher 1022e689cf4aSJeff Kirsher sig = nr64(ESR_INT_SIGNALS); 1023e689cf4aSJeff Kirsher switch (np->port) { 1024e689cf4aSJeff Kirsher case 0: 1025e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P0 | ESR_INT_DET0_P0); 1026e689cf4aSJeff Kirsher mask = val; 1027e689cf4aSJeff Kirsher break; 1028e689cf4aSJeff Kirsher 1029e689cf4aSJeff Kirsher case 1: 1030e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P1 | ESR_INT_DET0_P1); 1031e689cf4aSJeff Kirsher mask = val; 1032e689cf4aSJeff Kirsher break; 1033e689cf4aSJeff Kirsher 1034e689cf4aSJeff Kirsher default: 1035e689cf4aSJeff Kirsher return -EINVAL; 1036e689cf4aSJeff Kirsher } 1037e689cf4aSJeff Kirsher 1038e689cf4aSJeff Kirsher if ((sig & mask) != val) { 1039e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u signal bits [%08x] are not [%08x]\n", 1040e689cf4aSJeff Kirsher np->port, (int)(sig & mask), (int)val); 1041e689cf4aSJeff Kirsher return -ENODEV; 1042e689cf4aSJeff Kirsher } 1043e689cf4aSJeff Kirsher 1044e689cf4aSJeff Kirsher return 0; 1045e689cf4aSJeff Kirsher } 1046e689cf4aSJeff Kirsher 1047e689cf4aSJeff Kirsher static int link_status_1g_serdes(struct niu *np, int *link_up_p) 1048e689cf4aSJeff Kirsher { 1049e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1050e689cf4aSJeff Kirsher int link_up; 1051e689cf4aSJeff Kirsher u64 val; 1052e689cf4aSJeff Kirsher u16 current_speed; 1053e689cf4aSJeff Kirsher unsigned long flags; 1054e689cf4aSJeff Kirsher u8 current_duplex; 1055e689cf4aSJeff Kirsher 1056e689cf4aSJeff Kirsher link_up = 0; 1057e689cf4aSJeff Kirsher current_speed = SPEED_INVALID; 1058e689cf4aSJeff Kirsher current_duplex = DUPLEX_INVALID; 1059e689cf4aSJeff Kirsher 1060e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 1061e689cf4aSJeff Kirsher 1062e689cf4aSJeff Kirsher val = nr64_pcs(PCS_MII_STAT); 1063e689cf4aSJeff Kirsher 1064e689cf4aSJeff Kirsher if (val & PCS_MII_STAT_LINK_STATUS) { 1065e689cf4aSJeff Kirsher link_up = 1; 1066e689cf4aSJeff Kirsher current_speed = SPEED_1000; 1067e689cf4aSJeff Kirsher current_duplex = DUPLEX_FULL; 1068e689cf4aSJeff Kirsher } 1069e689cf4aSJeff Kirsher 1070e689cf4aSJeff Kirsher lp->active_speed = current_speed; 1071e689cf4aSJeff Kirsher lp->active_duplex = current_duplex; 1072e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 1073e689cf4aSJeff Kirsher 1074e689cf4aSJeff Kirsher *link_up_p = link_up; 1075e689cf4aSJeff Kirsher return 0; 1076e689cf4aSJeff Kirsher } 1077e689cf4aSJeff Kirsher 1078e689cf4aSJeff Kirsher static int link_status_10g_serdes(struct niu *np, int *link_up_p) 1079e689cf4aSJeff Kirsher { 1080e689cf4aSJeff Kirsher unsigned long flags; 1081e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1082e689cf4aSJeff Kirsher int link_up = 0; 1083e689cf4aSJeff Kirsher int link_ok = 1; 1084e689cf4aSJeff Kirsher u64 val, val2; 1085e689cf4aSJeff Kirsher u16 current_speed; 1086e689cf4aSJeff Kirsher u8 current_duplex; 1087e689cf4aSJeff Kirsher 1088e689cf4aSJeff Kirsher if (!(np->flags & NIU_FLAGS_10G)) 1089e689cf4aSJeff Kirsher return link_status_1g_serdes(np, link_up_p); 1090e689cf4aSJeff Kirsher 1091e689cf4aSJeff Kirsher current_speed = SPEED_INVALID; 1092e689cf4aSJeff Kirsher current_duplex = DUPLEX_INVALID; 1093e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 1094e689cf4aSJeff Kirsher 1095e689cf4aSJeff Kirsher val = nr64_xpcs(XPCS_STATUS(0)); 1096e689cf4aSJeff Kirsher val2 = nr64_mac(XMAC_INTER2); 1097e689cf4aSJeff Kirsher if (val2 & 0x01000000) 1098e689cf4aSJeff Kirsher link_ok = 0; 1099e689cf4aSJeff Kirsher 1100e689cf4aSJeff Kirsher if ((val & 0x1000ULL) && link_ok) { 1101e689cf4aSJeff Kirsher link_up = 1; 1102e689cf4aSJeff Kirsher current_speed = SPEED_10000; 1103e689cf4aSJeff Kirsher current_duplex = DUPLEX_FULL; 1104e689cf4aSJeff Kirsher } 1105e689cf4aSJeff Kirsher lp->active_speed = current_speed; 1106e689cf4aSJeff Kirsher lp->active_duplex = current_duplex; 1107e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 1108e689cf4aSJeff Kirsher *link_up_p = link_up; 1109e689cf4aSJeff Kirsher return 0; 1110e689cf4aSJeff Kirsher } 1111e689cf4aSJeff Kirsher 1112e689cf4aSJeff Kirsher static int link_status_mii(struct niu *np, int *link_up_p) 1113e689cf4aSJeff Kirsher { 1114e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1115e689cf4aSJeff Kirsher int err; 1116e689cf4aSJeff Kirsher int bmsr, advert, ctrl1000, stat1000, lpa, bmcr, estatus; 1117e689cf4aSJeff Kirsher int supported, advertising, active_speed, active_duplex; 1118e689cf4aSJeff Kirsher 1119e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMCR); 1120e689cf4aSJeff Kirsher if (unlikely(err < 0)) 1121e689cf4aSJeff Kirsher return err; 1122e689cf4aSJeff Kirsher bmcr = err; 1123e689cf4aSJeff Kirsher 1124e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMSR); 1125e689cf4aSJeff Kirsher if (unlikely(err < 0)) 1126e689cf4aSJeff Kirsher return err; 1127e689cf4aSJeff Kirsher bmsr = err; 1128e689cf4aSJeff Kirsher 1129e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_ADVERTISE); 1130e689cf4aSJeff Kirsher if (unlikely(err < 0)) 1131e689cf4aSJeff Kirsher return err; 1132e689cf4aSJeff Kirsher advert = err; 1133e689cf4aSJeff Kirsher 1134e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_LPA); 1135e689cf4aSJeff Kirsher if (unlikely(err < 0)) 1136e689cf4aSJeff Kirsher return err; 1137e689cf4aSJeff Kirsher lpa = err; 1138e689cf4aSJeff Kirsher 1139e689cf4aSJeff Kirsher if (likely(bmsr & BMSR_ESTATEN)) { 1140e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_ESTATUS); 1141e689cf4aSJeff Kirsher if (unlikely(err < 0)) 1142e689cf4aSJeff Kirsher return err; 1143e689cf4aSJeff Kirsher estatus = err; 1144e689cf4aSJeff Kirsher 1145e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_CTRL1000); 1146e689cf4aSJeff Kirsher if (unlikely(err < 0)) 1147e689cf4aSJeff Kirsher return err; 1148e689cf4aSJeff Kirsher ctrl1000 = err; 1149e689cf4aSJeff Kirsher 1150e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_STAT1000); 1151e689cf4aSJeff Kirsher if (unlikely(err < 0)) 1152e689cf4aSJeff Kirsher return err; 1153e689cf4aSJeff Kirsher stat1000 = err; 1154e689cf4aSJeff Kirsher } else 1155e689cf4aSJeff Kirsher estatus = ctrl1000 = stat1000 = 0; 1156e689cf4aSJeff Kirsher 1157e689cf4aSJeff Kirsher supported = 0; 1158e689cf4aSJeff Kirsher if (bmsr & BMSR_ANEGCAPABLE) 1159e689cf4aSJeff Kirsher supported |= SUPPORTED_Autoneg; 1160e689cf4aSJeff Kirsher if (bmsr & BMSR_10HALF) 1161e689cf4aSJeff Kirsher supported |= SUPPORTED_10baseT_Half; 1162e689cf4aSJeff Kirsher if (bmsr & BMSR_10FULL) 1163e689cf4aSJeff Kirsher supported |= SUPPORTED_10baseT_Full; 1164e689cf4aSJeff Kirsher if (bmsr & BMSR_100HALF) 1165e689cf4aSJeff Kirsher supported |= SUPPORTED_100baseT_Half; 1166e689cf4aSJeff Kirsher if (bmsr & BMSR_100FULL) 1167e689cf4aSJeff Kirsher supported |= SUPPORTED_100baseT_Full; 1168e689cf4aSJeff Kirsher if (estatus & ESTATUS_1000_THALF) 1169e689cf4aSJeff Kirsher supported |= SUPPORTED_1000baseT_Half; 1170e689cf4aSJeff Kirsher if (estatus & ESTATUS_1000_TFULL) 1171e689cf4aSJeff Kirsher supported |= SUPPORTED_1000baseT_Full; 1172e689cf4aSJeff Kirsher lp->supported = supported; 1173e689cf4aSJeff Kirsher 117437f07023SMatt Carlson advertising = mii_adv_to_ethtool_adv_t(advert); 117537f07023SMatt Carlson advertising |= mii_ctrl1000_to_ethtool_adv_t(ctrl1000); 1176e689cf4aSJeff Kirsher 1177e689cf4aSJeff Kirsher if (bmcr & BMCR_ANENABLE) { 1178e689cf4aSJeff Kirsher int neg, neg1000; 1179e689cf4aSJeff Kirsher 1180e689cf4aSJeff Kirsher lp->active_autoneg = 1; 1181e689cf4aSJeff Kirsher advertising |= ADVERTISED_Autoneg; 1182e689cf4aSJeff Kirsher 1183e689cf4aSJeff Kirsher neg = advert & lpa; 1184e689cf4aSJeff Kirsher neg1000 = (ctrl1000 << 2) & stat1000; 1185e689cf4aSJeff Kirsher 1186e689cf4aSJeff Kirsher if (neg1000 & (LPA_1000FULL | LPA_1000HALF)) 1187e689cf4aSJeff Kirsher active_speed = SPEED_1000; 1188e689cf4aSJeff Kirsher else if (neg & LPA_100) 1189e689cf4aSJeff Kirsher active_speed = SPEED_100; 1190e689cf4aSJeff Kirsher else if (neg & (LPA_10HALF | LPA_10FULL)) 1191e689cf4aSJeff Kirsher active_speed = SPEED_10; 1192e689cf4aSJeff Kirsher else 1193e689cf4aSJeff Kirsher active_speed = SPEED_INVALID; 1194e689cf4aSJeff Kirsher 1195e689cf4aSJeff Kirsher if ((neg1000 & LPA_1000FULL) || (neg & LPA_DUPLEX)) 1196e689cf4aSJeff Kirsher active_duplex = DUPLEX_FULL; 1197e689cf4aSJeff Kirsher else if (active_speed != SPEED_INVALID) 1198e689cf4aSJeff Kirsher active_duplex = DUPLEX_HALF; 1199e689cf4aSJeff Kirsher else 1200e689cf4aSJeff Kirsher active_duplex = DUPLEX_INVALID; 1201e689cf4aSJeff Kirsher } else { 1202e689cf4aSJeff Kirsher lp->active_autoneg = 0; 1203e689cf4aSJeff Kirsher 1204e689cf4aSJeff Kirsher if ((bmcr & BMCR_SPEED1000) && !(bmcr & BMCR_SPEED100)) 1205e689cf4aSJeff Kirsher active_speed = SPEED_1000; 1206e689cf4aSJeff Kirsher else if (bmcr & BMCR_SPEED100) 1207e689cf4aSJeff Kirsher active_speed = SPEED_100; 1208e689cf4aSJeff Kirsher else 1209e689cf4aSJeff Kirsher active_speed = SPEED_10; 1210e689cf4aSJeff Kirsher 1211e689cf4aSJeff Kirsher if (bmcr & BMCR_FULLDPLX) 1212e689cf4aSJeff Kirsher active_duplex = DUPLEX_FULL; 1213e689cf4aSJeff Kirsher else 1214e689cf4aSJeff Kirsher active_duplex = DUPLEX_HALF; 1215e689cf4aSJeff Kirsher } 1216e689cf4aSJeff Kirsher 1217e689cf4aSJeff Kirsher lp->active_advertising = advertising; 1218e689cf4aSJeff Kirsher lp->active_speed = active_speed; 1219e689cf4aSJeff Kirsher lp->active_duplex = active_duplex; 1220e689cf4aSJeff Kirsher *link_up_p = !!(bmsr & BMSR_LSTATUS); 1221e689cf4aSJeff Kirsher 1222e689cf4aSJeff Kirsher return 0; 1223e689cf4aSJeff Kirsher } 1224e689cf4aSJeff Kirsher 1225e689cf4aSJeff Kirsher static int link_status_1g_rgmii(struct niu *np, int *link_up_p) 1226e689cf4aSJeff Kirsher { 1227e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1228e689cf4aSJeff Kirsher u16 current_speed, bmsr; 1229e689cf4aSJeff Kirsher unsigned long flags; 1230e689cf4aSJeff Kirsher u8 current_duplex; 1231e689cf4aSJeff Kirsher int err, link_up; 1232e689cf4aSJeff Kirsher 1233e689cf4aSJeff Kirsher link_up = 0; 1234e689cf4aSJeff Kirsher current_speed = SPEED_INVALID; 1235e689cf4aSJeff Kirsher current_duplex = DUPLEX_INVALID; 1236e689cf4aSJeff Kirsher 1237e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 1238e689cf4aSJeff Kirsher 1239e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMSR); 1240e689cf4aSJeff Kirsher if (err < 0) 1241e689cf4aSJeff Kirsher goto out; 1242e689cf4aSJeff Kirsher 1243e689cf4aSJeff Kirsher bmsr = err; 1244e689cf4aSJeff Kirsher if (bmsr & BMSR_LSTATUS) { 1245e689cf4aSJeff Kirsher link_up = 1; 1246e689cf4aSJeff Kirsher current_speed = SPEED_1000; 1247e689cf4aSJeff Kirsher current_duplex = DUPLEX_FULL; 1248e689cf4aSJeff Kirsher } 1249e689cf4aSJeff Kirsher lp->active_speed = current_speed; 1250e689cf4aSJeff Kirsher lp->active_duplex = current_duplex; 1251e689cf4aSJeff Kirsher err = 0; 1252e689cf4aSJeff Kirsher 1253e689cf4aSJeff Kirsher out: 1254e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 1255e689cf4aSJeff Kirsher 1256e689cf4aSJeff Kirsher *link_up_p = link_up; 1257e689cf4aSJeff Kirsher return err; 1258e689cf4aSJeff Kirsher } 1259e689cf4aSJeff Kirsher 1260e689cf4aSJeff Kirsher static int link_status_1g(struct niu *np, int *link_up_p) 1261e689cf4aSJeff Kirsher { 1262e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1263e689cf4aSJeff Kirsher unsigned long flags; 1264e689cf4aSJeff Kirsher int err; 1265e689cf4aSJeff Kirsher 1266e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 1267e689cf4aSJeff Kirsher 1268e689cf4aSJeff Kirsher err = link_status_mii(np, link_up_p); 1269e689cf4aSJeff Kirsher lp->supported |= SUPPORTED_TP; 1270e689cf4aSJeff Kirsher lp->active_advertising |= ADVERTISED_TP; 1271e689cf4aSJeff Kirsher 1272e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 1273e689cf4aSJeff Kirsher return err; 1274e689cf4aSJeff Kirsher } 1275e689cf4aSJeff Kirsher 1276e689cf4aSJeff Kirsher static int bcm8704_reset(struct niu *np) 1277e689cf4aSJeff Kirsher { 1278e689cf4aSJeff Kirsher int err, limit; 1279e689cf4aSJeff Kirsher 1280e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, 1281e689cf4aSJeff Kirsher BCM8704_PHYXS_DEV_ADDR, MII_BMCR); 1282e689cf4aSJeff Kirsher if (err < 0 || err == 0xffff) 1283e689cf4aSJeff Kirsher return err; 1284e689cf4aSJeff Kirsher err |= BMCR_RESET; 1285e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, BCM8704_PHYXS_DEV_ADDR, 1286e689cf4aSJeff Kirsher MII_BMCR, err); 1287e689cf4aSJeff Kirsher if (err) 1288e689cf4aSJeff Kirsher return err; 1289e689cf4aSJeff Kirsher 1290e689cf4aSJeff Kirsher limit = 1000; 1291e689cf4aSJeff Kirsher while (--limit >= 0) { 1292e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, 1293e689cf4aSJeff Kirsher BCM8704_PHYXS_DEV_ADDR, MII_BMCR); 1294e689cf4aSJeff Kirsher if (err < 0) 1295e689cf4aSJeff Kirsher return err; 1296e689cf4aSJeff Kirsher if (!(err & BMCR_RESET)) 1297e689cf4aSJeff Kirsher break; 1298e689cf4aSJeff Kirsher } 1299e689cf4aSJeff Kirsher if (limit < 0) { 1300e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u PHY will not reset (bmcr=%04x)\n", 1301e689cf4aSJeff Kirsher np->port, (err & 0xffff)); 1302e689cf4aSJeff Kirsher return -ENODEV; 1303e689cf4aSJeff Kirsher } 1304e689cf4aSJeff Kirsher return 0; 1305e689cf4aSJeff Kirsher } 1306e689cf4aSJeff Kirsher 1307e689cf4aSJeff Kirsher /* When written, certain PHY registers need to be read back twice 1308e689cf4aSJeff Kirsher * in order for the bits to settle properly. 1309e689cf4aSJeff Kirsher */ 1310e689cf4aSJeff Kirsher static int bcm8704_user_dev3_readback(struct niu *np, int reg) 1311e689cf4aSJeff Kirsher { 1312e689cf4aSJeff Kirsher int err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, reg); 1313e689cf4aSJeff Kirsher if (err < 0) 1314e689cf4aSJeff Kirsher return err; 1315e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, reg); 1316e689cf4aSJeff Kirsher if (err < 0) 1317e689cf4aSJeff Kirsher return err; 1318e689cf4aSJeff Kirsher return 0; 1319e689cf4aSJeff Kirsher } 1320e689cf4aSJeff Kirsher 1321e689cf4aSJeff Kirsher static int bcm8706_init_user_dev3(struct niu *np) 1322e689cf4aSJeff Kirsher { 1323e689cf4aSJeff Kirsher int err; 1324e689cf4aSJeff Kirsher 1325e689cf4aSJeff Kirsher 1326e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1327e689cf4aSJeff Kirsher BCM8704_USER_OPT_DIGITAL_CTRL); 1328e689cf4aSJeff Kirsher if (err < 0) 1329e689cf4aSJeff Kirsher return err; 1330e689cf4aSJeff Kirsher err &= ~USER_ODIG_CTRL_GPIOS; 1331e689cf4aSJeff Kirsher err |= (0x3 << USER_ODIG_CTRL_GPIOS_SHIFT); 1332e689cf4aSJeff Kirsher err |= USER_ODIG_CTRL_RESV2; 1333e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1334e689cf4aSJeff Kirsher BCM8704_USER_OPT_DIGITAL_CTRL, err); 1335e689cf4aSJeff Kirsher if (err) 1336e689cf4aSJeff Kirsher return err; 1337e689cf4aSJeff Kirsher 1338e689cf4aSJeff Kirsher mdelay(1000); 1339e689cf4aSJeff Kirsher 1340e689cf4aSJeff Kirsher return 0; 1341e689cf4aSJeff Kirsher } 1342e689cf4aSJeff Kirsher 1343e689cf4aSJeff Kirsher static int bcm8704_init_user_dev3(struct niu *np) 1344e689cf4aSJeff Kirsher { 1345e689cf4aSJeff Kirsher int err; 1346e689cf4aSJeff Kirsher 1347e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, 1348e689cf4aSJeff Kirsher BCM8704_USER_DEV3_ADDR, BCM8704_USER_CONTROL, 1349e689cf4aSJeff Kirsher (USER_CONTROL_OPTXRST_LVL | 1350e689cf4aSJeff Kirsher USER_CONTROL_OPBIASFLT_LVL | 1351e689cf4aSJeff Kirsher USER_CONTROL_OBTMPFLT_LVL | 1352e689cf4aSJeff Kirsher USER_CONTROL_OPPRFLT_LVL | 1353e689cf4aSJeff Kirsher USER_CONTROL_OPTXFLT_LVL | 1354e689cf4aSJeff Kirsher USER_CONTROL_OPRXLOS_LVL | 1355e689cf4aSJeff Kirsher USER_CONTROL_OPRXFLT_LVL | 1356e689cf4aSJeff Kirsher USER_CONTROL_OPTXON_LVL | 1357e689cf4aSJeff Kirsher (0x3f << USER_CONTROL_RES1_SHIFT))); 1358e689cf4aSJeff Kirsher if (err) 1359e689cf4aSJeff Kirsher return err; 1360e689cf4aSJeff Kirsher 1361e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, 1362e689cf4aSJeff Kirsher BCM8704_USER_DEV3_ADDR, BCM8704_USER_PMD_TX_CONTROL, 1363e689cf4aSJeff Kirsher (USER_PMD_TX_CTL_XFP_CLKEN | 1364e689cf4aSJeff Kirsher (1 << USER_PMD_TX_CTL_TX_DAC_TXD_SH) | 1365e689cf4aSJeff Kirsher (2 << USER_PMD_TX_CTL_TX_DAC_TXCK_SH) | 1366e689cf4aSJeff Kirsher USER_PMD_TX_CTL_TSCK_LPWREN)); 1367e689cf4aSJeff Kirsher if (err) 1368e689cf4aSJeff Kirsher return err; 1369e689cf4aSJeff Kirsher 1370e689cf4aSJeff Kirsher err = bcm8704_user_dev3_readback(np, BCM8704_USER_CONTROL); 1371e689cf4aSJeff Kirsher if (err) 1372e689cf4aSJeff Kirsher return err; 1373e689cf4aSJeff Kirsher err = bcm8704_user_dev3_readback(np, BCM8704_USER_PMD_TX_CONTROL); 1374e689cf4aSJeff Kirsher if (err) 1375e689cf4aSJeff Kirsher return err; 1376e689cf4aSJeff Kirsher 1377e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1378e689cf4aSJeff Kirsher BCM8704_USER_OPT_DIGITAL_CTRL); 1379e689cf4aSJeff Kirsher if (err < 0) 1380e689cf4aSJeff Kirsher return err; 1381e689cf4aSJeff Kirsher err &= ~USER_ODIG_CTRL_GPIOS; 1382e689cf4aSJeff Kirsher err |= (0x3 << USER_ODIG_CTRL_GPIOS_SHIFT); 1383e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1384e689cf4aSJeff Kirsher BCM8704_USER_OPT_DIGITAL_CTRL, err); 1385e689cf4aSJeff Kirsher if (err) 1386e689cf4aSJeff Kirsher return err; 1387e689cf4aSJeff Kirsher 1388e689cf4aSJeff Kirsher mdelay(1000); 1389e689cf4aSJeff Kirsher 1390e689cf4aSJeff Kirsher return 0; 1391e689cf4aSJeff Kirsher } 1392e689cf4aSJeff Kirsher 1393e689cf4aSJeff Kirsher static int mrvl88x2011_act_led(struct niu *np, int val) 1394e689cf4aSJeff Kirsher { 1395e689cf4aSJeff Kirsher int err; 1396e689cf4aSJeff Kirsher 1397e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR, 1398e689cf4aSJeff Kirsher MRVL88X2011_LED_8_TO_11_CTL); 1399e689cf4aSJeff Kirsher if (err < 0) 1400e689cf4aSJeff Kirsher return err; 1401e689cf4aSJeff Kirsher 1402e689cf4aSJeff Kirsher err &= ~MRVL88X2011_LED(MRVL88X2011_LED_ACT,MRVL88X2011_LED_CTL_MASK); 1403e689cf4aSJeff Kirsher err |= MRVL88X2011_LED(MRVL88X2011_LED_ACT,val); 1404e689cf4aSJeff Kirsher 1405e689cf4aSJeff Kirsher return mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR, 1406e689cf4aSJeff Kirsher MRVL88X2011_LED_8_TO_11_CTL, err); 1407e689cf4aSJeff Kirsher } 1408e689cf4aSJeff Kirsher 1409e689cf4aSJeff Kirsher static int mrvl88x2011_led_blink_rate(struct niu *np, int rate) 1410e689cf4aSJeff Kirsher { 1411e689cf4aSJeff Kirsher int err; 1412e689cf4aSJeff Kirsher 1413e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR, 1414e689cf4aSJeff Kirsher MRVL88X2011_LED_BLINK_CTL); 1415e689cf4aSJeff Kirsher if (err >= 0) { 1416e689cf4aSJeff Kirsher err &= ~MRVL88X2011_LED_BLKRATE_MASK; 1417e689cf4aSJeff Kirsher err |= (rate << 4); 1418e689cf4aSJeff Kirsher 1419e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR, 1420e689cf4aSJeff Kirsher MRVL88X2011_LED_BLINK_CTL, err); 1421e689cf4aSJeff Kirsher } 1422e689cf4aSJeff Kirsher 1423e689cf4aSJeff Kirsher return err; 1424e689cf4aSJeff Kirsher } 1425e689cf4aSJeff Kirsher 1426e689cf4aSJeff Kirsher static int xcvr_init_10g_mrvl88x2011(struct niu *np) 1427e689cf4aSJeff Kirsher { 1428e689cf4aSJeff Kirsher int err; 1429e689cf4aSJeff Kirsher 1430e689cf4aSJeff Kirsher /* Set LED functions */ 1431e689cf4aSJeff Kirsher err = mrvl88x2011_led_blink_rate(np, MRVL88X2011_LED_BLKRATE_134MS); 1432e689cf4aSJeff Kirsher if (err) 1433e689cf4aSJeff Kirsher return err; 1434e689cf4aSJeff Kirsher 1435e689cf4aSJeff Kirsher /* led activity */ 1436e689cf4aSJeff Kirsher err = mrvl88x2011_act_led(np, MRVL88X2011_LED_CTL_OFF); 1437e689cf4aSJeff Kirsher if (err) 1438e689cf4aSJeff Kirsher return err; 1439e689cf4aSJeff Kirsher 1440e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR, 1441e689cf4aSJeff Kirsher MRVL88X2011_GENERAL_CTL); 1442e689cf4aSJeff Kirsher if (err < 0) 1443e689cf4aSJeff Kirsher return err; 1444e689cf4aSJeff Kirsher 1445e689cf4aSJeff Kirsher err |= MRVL88X2011_ENA_XFPREFCLK; 1446e689cf4aSJeff Kirsher 1447e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR, 1448e689cf4aSJeff Kirsher MRVL88X2011_GENERAL_CTL, err); 1449e689cf4aSJeff Kirsher if (err < 0) 1450e689cf4aSJeff Kirsher return err; 1451e689cf4aSJeff Kirsher 1452e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR, 1453e689cf4aSJeff Kirsher MRVL88X2011_PMA_PMD_CTL_1); 1454e689cf4aSJeff Kirsher if (err < 0) 1455e689cf4aSJeff Kirsher return err; 1456e689cf4aSJeff Kirsher 1457e689cf4aSJeff Kirsher if (np->link_config.loopback_mode == LOOPBACK_MAC) 1458e689cf4aSJeff Kirsher err |= MRVL88X2011_LOOPBACK; 1459e689cf4aSJeff Kirsher else 1460e689cf4aSJeff Kirsher err &= ~MRVL88X2011_LOOPBACK; 1461e689cf4aSJeff Kirsher 1462e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR, 1463e689cf4aSJeff Kirsher MRVL88X2011_PMA_PMD_CTL_1, err); 1464e689cf4aSJeff Kirsher if (err < 0) 1465e689cf4aSJeff Kirsher return err; 1466e689cf4aSJeff Kirsher 1467e689cf4aSJeff Kirsher /* Enable PMD */ 1468e689cf4aSJeff Kirsher return mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR, 1469e689cf4aSJeff Kirsher MRVL88X2011_10G_PMD_TX_DIS, MRVL88X2011_ENA_PMDTX); 1470e689cf4aSJeff Kirsher } 1471e689cf4aSJeff Kirsher 1472e689cf4aSJeff Kirsher 1473e689cf4aSJeff Kirsher static int xcvr_diag_bcm870x(struct niu *np) 1474e689cf4aSJeff Kirsher { 1475e689cf4aSJeff Kirsher u16 analog_stat0, tx_alarm_status; 1476e689cf4aSJeff Kirsher int err = 0; 1477e689cf4aSJeff Kirsher 1478e689cf4aSJeff Kirsher #if 1 1479e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PMA_PMD_DEV_ADDR, 1480e689cf4aSJeff Kirsher MII_STAT1000); 1481e689cf4aSJeff Kirsher if (err < 0) 1482e689cf4aSJeff Kirsher return err; 1483e689cf4aSJeff Kirsher pr_info("Port %u PMA_PMD(MII_STAT1000) [%04x]\n", np->port, err); 1484e689cf4aSJeff Kirsher 1485e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 0x20); 1486e689cf4aSJeff Kirsher if (err < 0) 1487e689cf4aSJeff Kirsher return err; 1488e689cf4aSJeff Kirsher pr_info("Port %u USER_DEV3(0x20) [%04x]\n", np->port, err); 1489e689cf4aSJeff Kirsher 1490e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PHYXS_DEV_ADDR, 1491e689cf4aSJeff Kirsher MII_NWAYTEST); 1492e689cf4aSJeff Kirsher if (err < 0) 1493e689cf4aSJeff Kirsher return err; 1494e689cf4aSJeff Kirsher pr_info("Port %u PHYXS(MII_NWAYTEST) [%04x]\n", np->port, err); 1495e689cf4aSJeff Kirsher #endif 1496e689cf4aSJeff Kirsher 1497e689cf4aSJeff Kirsher /* XXX dig this out it might not be so useful XXX */ 1498e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1499e689cf4aSJeff Kirsher BCM8704_USER_ANALOG_STATUS0); 1500e689cf4aSJeff Kirsher if (err < 0) 1501e689cf4aSJeff Kirsher return err; 1502e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1503e689cf4aSJeff Kirsher BCM8704_USER_ANALOG_STATUS0); 1504e689cf4aSJeff Kirsher if (err < 0) 1505e689cf4aSJeff Kirsher return err; 1506e689cf4aSJeff Kirsher analog_stat0 = err; 1507e689cf4aSJeff Kirsher 1508e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1509e689cf4aSJeff Kirsher BCM8704_USER_TX_ALARM_STATUS); 1510e689cf4aSJeff Kirsher if (err < 0) 1511e689cf4aSJeff Kirsher return err; 1512e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1513e689cf4aSJeff Kirsher BCM8704_USER_TX_ALARM_STATUS); 1514e689cf4aSJeff Kirsher if (err < 0) 1515e689cf4aSJeff Kirsher return err; 1516e689cf4aSJeff Kirsher tx_alarm_status = err; 1517e689cf4aSJeff Kirsher 1518e689cf4aSJeff Kirsher if (analog_stat0 != 0x03fc) { 1519e689cf4aSJeff Kirsher if ((analog_stat0 == 0x43bc) && (tx_alarm_status != 0)) { 1520e689cf4aSJeff Kirsher pr_info("Port %u cable not connected or bad cable\n", 1521e689cf4aSJeff Kirsher np->port); 1522e689cf4aSJeff Kirsher } else if (analog_stat0 == 0x639c) { 1523e689cf4aSJeff Kirsher pr_info("Port %u optical module is bad or missing\n", 1524e689cf4aSJeff Kirsher np->port); 1525e689cf4aSJeff Kirsher } 1526e689cf4aSJeff Kirsher } 1527e689cf4aSJeff Kirsher 1528e689cf4aSJeff Kirsher return 0; 1529e689cf4aSJeff Kirsher } 1530e689cf4aSJeff Kirsher 1531e689cf4aSJeff Kirsher static int xcvr_10g_set_lb_bcm870x(struct niu *np) 1532e689cf4aSJeff Kirsher { 1533e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1534e689cf4aSJeff Kirsher int err; 1535e689cf4aSJeff Kirsher 1536e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PCS_DEV_ADDR, 1537e689cf4aSJeff Kirsher MII_BMCR); 1538e689cf4aSJeff Kirsher if (err < 0) 1539e689cf4aSJeff Kirsher return err; 1540e689cf4aSJeff Kirsher 1541e689cf4aSJeff Kirsher err &= ~BMCR_LOOPBACK; 1542e689cf4aSJeff Kirsher 1543e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_MAC) 1544e689cf4aSJeff Kirsher err |= BMCR_LOOPBACK; 1545e689cf4aSJeff Kirsher 1546e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, BCM8704_PCS_DEV_ADDR, 1547e689cf4aSJeff Kirsher MII_BMCR, err); 1548e689cf4aSJeff Kirsher if (err) 1549e689cf4aSJeff Kirsher return err; 1550e689cf4aSJeff Kirsher 1551e689cf4aSJeff Kirsher return 0; 1552e689cf4aSJeff Kirsher } 1553e689cf4aSJeff Kirsher 1554e689cf4aSJeff Kirsher static int xcvr_init_10g_bcm8706(struct niu *np) 1555e689cf4aSJeff Kirsher { 1556e689cf4aSJeff Kirsher int err = 0; 1557e689cf4aSJeff Kirsher u64 val; 1558e689cf4aSJeff Kirsher 1559e689cf4aSJeff Kirsher if ((np->flags & NIU_FLAGS_HOTPLUG_PHY) && 1560e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_HOTPLUG_PHY_PRESENT) == 0) 1561e689cf4aSJeff Kirsher return err; 1562e689cf4aSJeff Kirsher 1563e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 1564e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_LED_POLARITY; 1565e689cf4aSJeff Kirsher val |= XMAC_CONFIG_FORCE_LED_ON; 1566e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 1567e689cf4aSJeff Kirsher 1568e689cf4aSJeff Kirsher val = nr64(MIF_CONFIG); 1569e689cf4aSJeff Kirsher val |= MIF_CONFIG_INDIRECT_MODE; 1570e689cf4aSJeff Kirsher nw64(MIF_CONFIG, val); 1571e689cf4aSJeff Kirsher 1572e689cf4aSJeff Kirsher err = bcm8704_reset(np); 1573e689cf4aSJeff Kirsher if (err) 1574e689cf4aSJeff Kirsher return err; 1575e689cf4aSJeff Kirsher 1576e689cf4aSJeff Kirsher err = xcvr_10g_set_lb_bcm870x(np); 1577e689cf4aSJeff Kirsher if (err) 1578e689cf4aSJeff Kirsher return err; 1579e689cf4aSJeff Kirsher 1580e689cf4aSJeff Kirsher err = bcm8706_init_user_dev3(np); 1581e689cf4aSJeff Kirsher if (err) 1582e689cf4aSJeff Kirsher return err; 1583e689cf4aSJeff Kirsher 1584e689cf4aSJeff Kirsher err = xcvr_diag_bcm870x(np); 1585e689cf4aSJeff Kirsher if (err) 1586e689cf4aSJeff Kirsher return err; 1587e689cf4aSJeff Kirsher 1588e689cf4aSJeff Kirsher return 0; 1589e689cf4aSJeff Kirsher } 1590e689cf4aSJeff Kirsher 1591e689cf4aSJeff Kirsher static int xcvr_init_10g_bcm8704(struct niu *np) 1592e689cf4aSJeff Kirsher { 1593e689cf4aSJeff Kirsher int err; 1594e689cf4aSJeff Kirsher 1595e689cf4aSJeff Kirsher err = bcm8704_reset(np); 1596e689cf4aSJeff Kirsher if (err) 1597e689cf4aSJeff Kirsher return err; 1598e689cf4aSJeff Kirsher 1599e689cf4aSJeff Kirsher err = bcm8704_init_user_dev3(np); 1600e689cf4aSJeff Kirsher if (err) 1601e689cf4aSJeff Kirsher return err; 1602e689cf4aSJeff Kirsher 1603e689cf4aSJeff Kirsher err = xcvr_10g_set_lb_bcm870x(np); 1604e689cf4aSJeff Kirsher if (err) 1605e689cf4aSJeff Kirsher return err; 1606e689cf4aSJeff Kirsher 1607e689cf4aSJeff Kirsher err = xcvr_diag_bcm870x(np); 1608e689cf4aSJeff Kirsher if (err) 1609e689cf4aSJeff Kirsher return err; 1610e689cf4aSJeff Kirsher 1611e689cf4aSJeff Kirsher return 0; 1612e689cf4aSJeff Kirsher } 1613e689cf4aSJeff Kirsher 1614e689cf4aSJeff Kirsher static int xcvr_init_10g(struct niu *np) 1615e689cf4aSJeff Kirsher { 1616e689cf4aSJeff Kirsher int phy_id, err; 1617e689cf4aSJeff Kirsher u64 val; 1618e689cf4aSJeff Kirsher 1619e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 1620e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_LED_POLARITY; 1621e689cf4aSJeff Kirsher val |= XMAC_CONFIG_FORCE_LED_ON; 1622e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 1623e689cf4aSJeff Kirsher 1624e689cf4aSJeff Kirsher /* XXX shared resource, lock parent XXX */ 1625e689cf4aSJeff Kirsher val = nr64(MIF_CONFIG); 1626e689cf4aSJeff Kirsher val |= MIF_CONFIG_INDIRECT_MODE; 1627e689cf4aSJeff Kirsher nw64(MIF_CONFIG, val); 1628e689cf4aSJeff Kirsher 1629e689cf4aSJeff Kirsher phy_id = phy_decode(np->parent->port_phy, np->port); 1630e689cf4aSJeff Kirsher phy_id = np->parent->phy_probe_info.phy_id[phy_id][np->port]; 1631e689cf4aSJeff Kirsher 1632e689cf4aSJeff Kirsher /* handle different phy types */ 1633e689cf4aSJeff Kirsher switch (phy_id & NIU_PHY_ID_MASK) { 1634e689cf4aSJeff Kirsher case NIU_PHY_ID_MRVL88X2011: 1635e689cf4aSJeff Kirsher err = xcvr_init_10g_mrvl88x2011(np); 1636e689cf4aSJeff Kirsher break; 1637e689cf4aSJeff Kirsher 1638e689cf4aSJeff Kirsher default: /* bcom 8704 */ 1639e689cf4aSJeff Kirsher err = xcvr_init_10g_bcm8704(np); 1640e689cf4aSJeff Kirsher break; 1641e689cf4aSJeff Kirsher } 1642e689cf4aSJeff Kirsher 1643e689cf4aSJeff Kirsher return err; 1644e689cf4aSJeff Kirsher } 1645e689cf4aSJeff Kirsher 1646e689cf4aSJeff Kirsher static int mii_reset(struct niu *np) 1647e689cf4aSJeff Kirsher { 1648e689cf4aSJeff Kirsher int limit, err; 1649e689cf4aSJeff Kirsher 1650e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, MII_BMCR, BMCR_RESET); 1651e689cf4aSJeff Kirsher if (err) 1652e689cf4aSJeff Kirsher return err; 1653e689cf4aSJeff Kirsher 1654e689cf4aSJeff Kirsher limit = 1000; 1655e689cf4aSJeff Kirsher while (--limit >= 0) { 1656e689cf4aSJeff Kirsher udelay(500); 1657e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMCR); 1658e689cf4aSJeff Kirsher if (err < 0) 1659e689cf4aSJeff Kirsher return err; 1660e689cf4aSJeff Kirsher if (!(err & BMCR_RESET)) 1661e689cf4aSJeff Kirsher break; 1662e689cf4aSJeff Kirsher } 1663e689cf4aSJeff Kirsher if (limit < 0) { 1664e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u MII would not reset, bmcr[%04x]\n", 1665e689cf4aSJeff Kirsher np->port, err); 1666e689cf4aSJeff Kirsher return -ENODEV; 1667e689cf4aSJeff Kirsher } 1668e689cf4aSJeff Kirsher 1669e689cf4aSJeff Kirsher return 0; 1670e689cf4aSJeff Kirsher } 1671e689cf4aSJeff Kirsher 1672e689cf4aSJeff Kirsher static int xcvr_init_1g_rgmii(struct niu *np) 1673e689cf4aSJeff Kirsher { 1674e689cf4aSJeff Kirsher int err; 1675e689cf4aSJeff Kirsher u64 val; 1676e689cf4aSJeff Kirsher u16 bmcr, bmsr, estat; 1677e689cf4aSJeff Kirsher 1678e689cf4aSJeff Kirsher val = nr64(MIF_CONFIG); 1679e689cf4aSJeff Kirsher val &= ~MIF_CONFIG_INDIRECT_MODE; 1680e689cf4aSJeff Kirsher nw64(MIF_CONFIG, val); 1681e689cf4aSJeff Kirsher 1682e689cf4aSJeff Kirsher err = mii_reset(np); 1683e689cf4aSJeff Kirsher if (err) 1684e689cf4aSJeff Kirsher return err; 1685e689cf4aSJeff Kirsher 1686e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMSR); 1687e689cf4aSJeff Kirsher if (err < 0) 1688e689cf4aSJeff Kirsher return err; 1689e689cf4aSJeff Kirsher bmsr = err; 1690e689cf4aSJeff Kirsher 1691e689cf4aSJeff Kirsher estat = 0; 1692e689cf4aSJeff Kirsher if (bmsr & BMSR_ESTATEN) { 1693e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_ESTATUS); 1694e689cf4aSJeff Kirsher if (err < 0) 1695e689cf4aSJeff Kirsher return err; 1696e689cf4aSJeff Kirsher estat = err; 1697e689cf4aSJeff Kirsher } 1698e689cf4aSJeff Kirsher 1699e689cf4aSJeff Kirsher bmcr = 0; 1700e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, MII_BMCR, bmcr); 1701e689cf4aSJeff Kirsher if (err) 1702e689cf4aSJeff Kirsher return err; 1703e689cf4aSJeff Kirsher 1704e689cf4aSJeff Kirsher if (bmsr & BMSR_ESTATEN) { 1705e689cf4aSJeff Kirsher u16 ctrl1000 = 0; 1706e689cf4aSJeff Kirsher 1707e689cf4aSJeff Kirsher if (estat & ESTATUS_1000_TFULL) 1708e689cf4aSJeff Kirsher ctrl1000 |= ADVERTISE_1000FULL; 1709e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, MII_CTRL1000, ctrl1000); 1710e689cf4aSJeff Kirsher if (err) 1711e689cf4aSJeff Kirsher return err; 1712e689cf4aSJeff Kirsher } 1713e689cf4aSJeff Kirsher 1714e689cf4aSJeff Kirsher bmcr = (BMCR_SPEED1000 | BMCR_FULLDPLX); 1715e689cf4aSJeff Kirsher 1716e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, MII_BMCR, bmcr); 1717e689cf4aSJeff Kirsher if (err) 1718e689cf4aSJeff Kirsher return err; 1719e689cf4aSJeff Kirsher 1720e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMCR); 1721e689cf4aSJeff Kirsher if (err < 0) 1722e689cf4aSJeff Kirsher return err; 1723e689cf4aSJeff Kirsher bmcr = mii_read(np, np->phy_addr, MII_BMCR); 1724e689cf4aSJeff Kirsher 1725e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMSR); 1726e689cf4aSJeff Kirsher if (err < 0) 1727e689cf4aSJeff Kirsher return err; 1728e689cf4aSJeff Kirsher 1729e689cf4aSJeff Kirsher return 0; 1730e689cf4aSJeff Kirsher } 1731e689cf4aSJeff Kirsher 1732e689cf4aSJeff Kirsher static int mii_init_common(struct niu *np) 1733e689cf4aSJeff Kirsher { 1734e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1735e689cf4aSJeff Kirsher u16 bmcr, bmsr, adv, estat; 1736e689cf4aSJeff Kirsher int err; 1737e689cf4aSJeff Kirsher 1738e689cf4aSJeff Kirsher err = mii_reset(np); 1739e689cf4aSJeff Kirsher if (err) 1740e689cf4aSJeff Kirsher return err; 1741e689cf4aSJeff Kirsher 1742e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMSR); 1743e689cf4aSJeff Kirsher if (err < 0) 1744e689cf4aSJeff Kirsher return err; 1745e689cf4aSJeff Kirsher bmsr = err; 1746e689cf4aSJeff Kirsher 1747e689cf4aSJeff Kirsher estat = 0; 1748e689cf4aSJeff Kirsher if (bmsr & BMSR_ESTATEN) { 1749e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_ESTATUS); 1750e689cf4aSJeff Kirsher if (err < 0) 1751e689cf4aSJeff Kirsher return err; 1752e689cf4aSJeff Kirsher estat = err; 1753e689cf4aSJeff Kirsher } 1754e689cf4aSJeff Kirsher 1755e689cf4aSJeff Kirsher bmcr = 0; 1756e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, MII_BMCR, bmcr); 1757e689cf4aSJeff Kirsher if (err) 1758e689cf4aSJeff Kirsher return err; 1759e689cf4aSJeff Kirsher 1760e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_MAC) { 1761e689cf4aSJeff Kirsher bmcr |= BMCR_LOOPBACK; 1762e689cf4aSJeff Kirsher if (lp->active_speed == SPEED_1000) 1763e689cf4aSJeff Kirsher bmcr |= BMCR_SPEED1000; 1764e689cf4aSJeff Kirsher if (lp->active_duplex == DUPLEX_FULL) 1765e689cf4aSJeff Kirsher bmcr |= BMCR_FULLDPLX; 1766e689cf4aSJeff Kirsher } 1767e689cf4aSJeff Kirsher 1768e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) { 1769e689cf4aSJeff Kirsher u16 aux; 1770e689cf4aSJeff Kirsher 1771e689cf4aSJeff Kirsher aux = (BCM5464R_AUX_CTL_EXT_LB | 1772e689cf4aSJeff Kirsher BCM5464R_AUX_CTL_WRITE_1); 1773e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, BCM5464R_AUX_CTL, aux); 1774e689cf4aSJeff Kirsher if (err) 1775e689cf4aSJeff Kirsher return err; 1776e689cf4aSJeff Kirsher } 1777e689cf4aSJeff Kirsher 1778e689cf4aSJeff Kirsher if (lp->autoneg) { 1779e689cf4aSJeff Kirsher u16 ctrl1000; 1780e689cf4aSJeff Kirsher 1781e689cf4aSJeff Kirsher adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP; 1782e689cf4aSJeff Kirsher if ((bmsr & BMSR_10HALF) && 1783e689cf4aSJeff Kirsher (lp->advertising & ADVERTISED_10baseT_Half)) 1784e689cf4aSJeff Kirsher adv |= ADVERTISE_10HALF; 1785e689cf4aSJeff Kirsher if ((bmsr & BMSR_10FULL) && 1786e689cf4aSJeff Kirsher (lp->advertising & ADVERTISED_10baseT_Full)) 1787e689cf4aSJeff Kirsher adv |= ADVERTISE_10FULL; 1788e689cf4aSJeff Kirsher if ((bmsr & BMSR_100HALF) && 1789e689cf4aSJeff Kirsher (lp->advertising & ADVERTISED_100baseT_Half)) 1790e689cf4aSJeff Kirsher adv |= ADVERTISE_100HALF; 1791e689cf4aSJeff Kirsher if ((bmsr & BMSR_100FULL) && 1792e689cf4aSJeff Kirsher (lp->advertising & ADVERTISED_100baseT_Full)) 1793e689cf4aSJeff Kirsher adv |= ADVERTISE_100FULL; 1794e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, MII_ADVERTISE, adv); 1795e689cf4aSJeff Kirsher if (err) 1796e689cf4aSJeff Kirsher return err; 1797e689cf4aSJeff Kirsher 1798e689cf4aSJeff Kirsher if (likely(bmsr & BMSR_ESTATEN)) { 1799e689cf4aSJeff Kirsher ctrl1000 = 0; 1800e689cf4aSJeff Kirsher if ((estat & ESTATUS_1000_THALF) && 1801e689cf4aSJeff Kirsher (lp->advertising & ADVERTISED_1000baseT_Half)) 1802e689cf4aSJeff Kirsher ctrl1000 |= ADVERTISE_1000HALF; 1803e689cf4aSJeff Kirsher if ((estat & ESTATUS_1000_TFULL) && 1804e689cf4aSJeff Kirsher (lp->advertising & ADVERTISED_1000baseT_Full)) 1805e689cf4aSJeff Kirsher ctrl1000 |= ADVERTISE_1000FULL; 1806e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, 1807e689cf4aSJeff Kirsher MII_CTRL1000, ctrl1000); 1808e689cf4aSJeff Kirsher if (err) 1809e689cf4aSJeff Kirsher return err; 1810e689cf4aSJeff Kirsher } 1811e689cf4aSJeff Kirsher 1812e689cf4aSJeff Kirsher bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); 1813e689cf4aSJeff Kirsher } else { 1814e689cf4aSJeff Kirsher /* !lp->autoneg */ 1815e689cf4aSJeff Kirsher int fulldpx; 1816e689cf4aSJeff Kirsher 1817e689cf4aSJeff Kirsher if (lp->duplex == DUPLEX_FULL) { 1818e689cf4aSJeff Kirsher bmcr |= BMCR_FULLDPLX; 1819e689cf4aSJeff Kirsher fulldpx = 1; 1820e689cf4aSJeff Kirsher } else if (lp->duplex == DUPLEX_HALF) 1821e689cf4aSJeff Kirsher fulldpx = 0; 1822e689cf4aSJeff Kirsher else 1823e689cf4aSJeff Kirsher return -EINVAL; 1824e689cf4aSJeff Kirsher 1825e689cf4aSJeff Kirsher if (lp->speed == SPEED_1000) { 1826e689cf4aSJeff Kirsher /* if X-full requested while not supported, or 1827e689cf4aSJeff Kirsher X-half requested while not supported... */ 1828e689cf4aSJeff Kirsher if ((fulldpx && !(estat & ESTATUS_1000_TFULL)) || 1829e689cf4aSJeff Kirsher (!fulldpx && !(estat & ESTATUS_1000_THALF))) 1830e689cf4aSJeff Kirsher return -EINVAL; 1831e689cf4aSJeff Kirsher bmcr |= BMCR_SPEED1000; 1832e689cf4aSJeff Kirsher } else if (lp->speed == SPEED_100) { 1833e689cf4aSJeff Kirsher if ((fulldpx && !(bmsr & BMSR_100FULL)) || 1834e689cf4aSJeff Kirsher (!fulldpx && !(bmsr & BMSR_100HALF))) 1835e689cf4aSJeff Kirsher return -EINVAL; 1836e689cf4aSJeff Kirsher bmcr |= BMCR_SPEED100; 1837e689cf4aSJeff Kirsher } else if (lp->speed == SPEED_10) { 1838e689cf4aSJeff Kirsher if ((fulldpx && !(bmsr & BMSR_10FULL)) || 1839e689cf4aSJeff Kirsher (!fulldpx && !(bmsr & BMSR_10HALF))) 1840e689cf4aSJeff Kirsher return -EINVAL; 1841e689cf4aSJeff Kirsher } else 1842e689cf4aSJeff Kirsher return -EINVAL; 1843e689cf4aSJeff Kirsher } 1844e689cf4aSJeff Kirsher 1845e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, MII_BMCR, bmcr); 1846e689cf4aSJeff Kirsher if (err) 1847e689cf4aSJeff Kirsher return err; 1848e689cf4aSJeff Kirsher 1849e689cf4aSJeff Kirsher #if 0 1850e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMCR); 1851e689cf4aSJeff Kirsher if (err < 0) 1852e689cf4aSJeff Kirsher return err; 1853e689cf4aSJeff Kirsher bmcr = err; 1854e689cf4aSJeff Kirsher 1855e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMSR); 1856e689cf4aSJeff Kirsher if (err < 0) 1857e689cf4aSJeff Kirsher return err; 1858e689cf4aSJeff Kirsher bmsr = err; 1859e689cf4aSJeff Kirsher 1860e689cf4aSJeff Kirsher pr_info("Port %u after MII init bmcr[%04x] bmsr[%04x]\n", 1861e689cf4aSJeff Kirsher np->port, bmcr, bmsr); 1862e689cf4aSJeff Kirsher #endif 1863e689cf4aSJeff Kirsher 1864e689cf4aSJeff Kirsher return 0; 1865e689cf4aSJeff Kirsher } 1866e689cf4aSJeff Kirsher 1867e689cf4aSJeff Kirsher static int xcvr_init_1g(struct niu *np) 1868e689cf4aSJeff Kirsher { 1869e689cf4aSJeff Kirsher u64 val; 1870e689cf4aSJeff Kirsher 1871e689cf4aSJeff Kirsher /* XXX shared resource, lock parent XXX */ 1872e689cf4aSJeff Kirsher val = nr64(MIF_CONFIG); 1873e689cf4aSJeff Kirsher val &= ~MIF_CONFIG_INDIRECT_MODE; 1874e689cf4aSJeff Kirsher nw64(MIF_CONFIG, val); 1875e689cf4aSJeff Kirsher 1876e689cf4aSJeff Kirsher return mii_init_common(np); 1877e689cf4aSJeff Kirsher } 1878e689cf4aSJeff Kirsher 1879e689cf4aSJeff Kirsher static int niu_xcvr_init(struct niu *np) 1880e689cf4aSJeff Kirsher { 1881e689cf4aSJeff Kirsher const struct niu_phy_ops *ops = np->phy_ops; 1882e689cf4aSJeff Kirsher int err; 1883e689cf4aSJeff Kirsher 1884e689cf4aSJeff Kirsher err = 0; 1885e689cf4aSJeff Kirsher if (ops->xcvr_init) 1886e689cf4aSJeff Kirsher err = ops->xcvr_init(np); 1887e689cf4aSJeff Kirsher 1888e689cf4aSJeff Kirsher return err; 1889e689cf4aSJeff Kirsher } 1890e689cf4aSJeff Kirsher 1891e689cf4aSJeff Kirsher static int niu_serdes_init(struct niu *np) 1892e689cf4aSJeff Kirsher { 1893e689cf4aSJeff Kirsher const struct niu_phy_ops *ops = np->phy_ops; 1894e689cf4aSJeff Kirsher int err; 1895e689cf4aSJeff Kirsher 1896e689cf4aSJeff Kirsher err = 0; 1897e689cf4aSJeff Kirsher if (ops->serdes_init) 1898e689cf4aSJeff Kirsher err = ops->serdes_init(np); 1899e689cf4aSJeff Kirsher 1900e689cf4aSJeff Kirsher return err; 1901e689cf4aSJeff Kirsher } 1902e689cf4aSJeff Kirsher 1903e689cf4aSJeff Kirsher static void niu_init_xif(struct niu *); 1904e689cf4aSJeff Kirsher static void niu_handle_led(struct niu *, int status); 1905e689cf4aSJeff Kirsher 1906e689cf4aSJeff Kirsher static int niu_link_status_common(struct niu *np, int link_up) 1907e689cf4aSJeff Kirsher { 1908e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1909e689cf4aSJeff Kirsher struct net_device *dev = np->dev; 1910e689cf4aSJeff Kirsher unsigned long flags; 1911e689cf4aSJeff Kirsher 1912e689cf4aSJeff Kirsher if (!netif_carrier_ok(dev) && link_up) { 1913e689cf4aSJeff Kirsher netif_info(np, link, dev, "Link is up at %s, %s duplex\n", 1914e689cf4aSJeff Kirsher lp->active_speed == SPEED_10000 ? "10Gb/sec" : 1915e689cf4aSJeff Kirsher lp->active_speed == SPEED_1000 ? "1Gb/sec" : 1916e689cf4aSJeff Kirsher lp->active_speed == SPEED_100 ? "100Mbit/sec" : 1917e689cf4aSJeff Kirsher "10Mbit/sec", 1918e689cf4aSJeff Kirsher lp->active_duplex == DUPLEX_FULL ? "full" : "half"); 1919e689cf4aSJeff Kirsher 1920e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 1921e689cf4aSJeff Kirsher niu_init_xif(np); 1922e689cf4aSJeff Kirsher niu_handle_led(np, 1); 1923e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 1924e689cf4aSJeff Kirsher 1925e689cf4aSJeff Kirsher netif_carrier_on(dev); 1926e689cf4aSJeff Kirsher } else if (netif_carrier_ok(dev) && !link_up) { 1927e689cf4aSJeff Kirsher netif_warn(np, link, dev, "Link is down\n"); 1928e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 1929e689cf4aSJeff Kirsher niu_handle_led(np, 0); 1930e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 1931e689cf4aSJeff Kirsher netif_carrier_off(dev); 1932e689cf4aSJeff Kirsher } 1933e689cf4aSJeff Kirsher 1934e689cf4aSJeff Kirsher return 0; 1935e689cf4aSJeff Kirsher } 1936e689cf4aSJeff Kirsher 1937e689cf4aSJeff Kirsher static int link_status_10g_mrvl(struct niu *np, int *link_up_p) 1938e689cf4aSJeff Kirsher { 1939e689cf4aSJeff Kirsher int err, link_up, pma_status, pcs_status; 1940e689cf4aSJeff Kirsher 1941e689cf4aSJeff Kirsher link_up = 0; 1942e689cf4aSJeff Kirsher 1943e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR, 1944e689cf4aSJeff Kirsher MRVL88X2011_10G_PMD_STATUS_2); 1945e689cf4aSJeff Kirsher if (err < 0) 1946e689cf4aSJeff Kirsher goto out; 1947e689cf4aSJeff Kirsher 1948e689cf4aSJeff Kirsher /* Check PMA/PMD Register: 1.0001.2 == 1 */ 1949e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR, 1950e689cf4aSJeff Kirsher MRVL88X2011_PMA_PMD_STATUS_1); 1951e689cf4aSJeff Kirsher if (err < 0) 1952e689cf4aSJeff Kirsher goto out; 1953e689cf4aSJeff Kirsher 1954e689cf4aSJeff Kirsher pma_status = ((err & MRVL88X2011_LNK_STATUS_OK) ? 1 : 0); 1955e689cf4aSJeff Kirsher 1956e689cf4aSJeff Kirsher /* Check PMC Register : 3.0001.2 == 1: read twice */ 1957e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR, 1958e689cf4aSJeff Kirsher MRVL88X2011_PMA_PMD_STATUS_1); 1959e689cf4aSJeff Kirsher if (err < 0) 1960e689cf4aSJeff Kirsher goto out; 1961e689cf4aSJeff Kirsher 1962e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR, 1963e689cf4aSJeff Kirsher MRVL88X2011_PMA_PMD_STATUS_1); 1964e689cf4aSJeff Kirsher if (err < 0) 1965e689cf4aSJeff Kirsher goto out; 1966e689cf4aSJeff Kirsher 1967e689cf4aSJeff Kirsher pcs_status = ((err & MRVL88X2011_LNK_STATUS_OK) ? 1 : 0); 1968e689cf4aSJeff Kirsher 1969e689cf4aSJeff Kirsher /* Check XGXS Register : 4.0018.[0-3,12] */ 1970e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV4_ADDR, 1971e689cf4aSJeff Kirsher MRVL88X2011_10G_XGXS_LANE_STAT); 1972e689cf4aSJeff Kirsher if (err < 0) 1973e689cf4aSJeff Kirsher goto out; 1974e689cf4aSJeff Kirsher 1975e689cf4aSJeff Kirsher if (err == (PHYXS_XGXS_LANE_STAT_ALINGED | PHYXS_XGXS_LANE_STAT_LANE3 | 1976e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE2 | PHYXS_XGXS_LANE_STAT_LANE1 | 1977e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE0 | PHYXS_XGXS_LANE_STAT_MAGIC | 1978e689cf4aSJeff Kirsher 0x800)) 1979e689cf4aSJeff Kirsher link_up = (pma_status && pcs_status) ? 1 : 0; 1980e689cf4aSJeff Kirsher 1981e689cf4aSJeff Kirsher np->link_config.active_speed = SPEED_10000; 1982e689cf4aSJeff Kirsher np->link_config.active_duplex = DUPLEX_FULL; 1983e689cf4aSJeff Kirsher err = 0; 1984e689cf4aSJeff Kirsher out: 1985e689cf4aSJeff Kirsher mrvl88x2011_act_led(np, (link_up ? 1986e689cf4aSJeff Kirsher MRVL88X2011_LED_CTL_PCS_ACT : 1987e689cf4aSJeff Kirsher MRVL88X2011_LED_CTL_OFF)); 1988e689cf4aSJeff Kirsher 1989e689cf4aSJeff Kirsher *link_up_p = link_up; 1990e689cf4aSJeff Kirsher return err; 1991e689cf4aSJeff Kirsher } 1992e689cf4aSJeff Kirsher 1993e689cf4aSJeff Kirsher static int link_status_10g_bcm8706(struct niu *np, int *link_up_p) 1994e689cf4aSJeff Kirsher { 1995e689cf4aSJeff Kirsher int err, link_up; 1996e689cf4aSJeff Kirsher link_up = 0; 1997e689cf4aSJeff Kirsher 1998e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PMA_PMD_DEV_ADDR, 1999e689cf4aSJeff Kirsher BCM8704_PMD_RCV_SIGDET); 2000e689cf4aSJeff Kirsher if (err < 0 || err == 0xffff) 2001e689cf4aSJeff Kirsher goto out; 2002e689cf4aSJeff Kirsher if (!(err & PMD_RCV_SIGDET_GLOBAL)) { 2003e689cf4aSJeff Kirsher err = 0; 2004e689cf4aSJeff Kirsher goto out; 2005e689cf4aSJeff Kirsher } 2006e689cf4aSJeff Kirsher 2007e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PCS_DEV_ADDR, 2008e689cf4aSJeff Kirsher BCM8704_PCS_10G_R_STATUS); 2009e689cf4aSJeff Kirsher if (err < 0) 2010e689cf4aSJeff Kirsher goto out; 2011e689cf4aSJeff Kirsher 2012e689cf4aSJeff Kirsher if (!(err & PCS_10G_R_STATUS_BLK_LOCK)) { 2013e689cf4aSJeff Kirsher err = 0; 2014e689cf4aSJeff Kirsher goto out; 2015e689cf4aSJeff Kirsher } 2016e689cf4aSJeff Kirsher 2017e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PHYXS_DEV_ADDR, 2018e689cf4aSJeff Kirsher BCM8704_PHYXS_XGXS_LANE_STAT); 2019e689cf4aSJeff Kirsher if (err < 0) 2020e689cf4aSJeff Kirsher goto out; 2021e689cf4aSJeff Kirsher if (err != (PHYXS_XGXS_LANE_STAT_ALINGED | 2022e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_MAGIC | 2023e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_PATTEST | 2024e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE3 | 2025e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE2 | 2026e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE1 | 2027e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE0)) { 2028e689cf4aSJeff Kirsher err = 0; 2029e689cf4aSJeff Kirsher np->link_config.active_speed = SPEED_INVALID; 2030e689cf4aSJeff Kirsher np->link_config.active_duplex = DUPLEX_INVALID; 2031e689cf4aSJeff Kirsher goto out; 2032e689cf4aSJeff Kirsher } 2033e689cf4aSJeff Kirsher 2034e689cf4aSJeff Kirsher link_up = 1; 2035e689cf4aSJeff Kirsher np->link_config.active_speed = SPEED_10000; 2036e689cf4aSJeff Kirsher np->link_config.active_duplex = DUPLEX_FULL; 2037e689cf4aSJeff Kirsher err = 0; 2038e689cf4aSJeff Kirsher 2039e689cf4aSJeff Kirsher out: 2040e689cf4aSJeff Kirsher *link_up_p = link_up; 2041e689cf4aSJeff Kirsher return err; 2042e689cf4aSJeff Kirsher } 2043e689cf4aSJeff Kirsher 2044e689cf4aSJeff Kirsher static int link_status_10g_bcom(struct niu *np, int *link_up_p) 2045e689cf4aSJeff Kirsher { 2046e689cf4aSJeff Kirsher int err, link_up; 2047e689cf4aSJeff Kirsher 2048e689cf4aSJeff Kirsher link_up = 0; 2049e689cf4aSJeff Kirsher 2050e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PMA_PMD_DEV_ADDR, 2051e689cf4aSJeff Kirsher BCM8704_PMD_RCV_SIGDET); 2052e689cf4aSJeff Kirsher if (err < 0) 2053e689cf4aSJeff Kirsher goto out; 2054e689cf4aSJeff Kirsher if (!(err & PMD_RCV_SIGDET_GLOBAL)) { 2055e689cf4aSJeff Kirsher err = 0; 2056e689cf4aSJeff Kirsher goto out; 2057e689cf4aSJeff Kirsher } 2058e689cf4aSJeff Kirsher 2059e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PCS_DEV_ADDR, 2060e689cf4aSJeff Kirsher BCM8704_PCS_10G_R_STATUS); 2061e689cf4aSJeff Kirsher if (err < 0) 2062e689cf4aSJeff Kirsher goto out; 2063e689cf4aSJeff Kirsher if (!(err & PCS_10G_R_STATUS_BLK_LOCK)) { 2064e689cf4aSJeff Kirsher err = 0; 2065e689cf4aSJeff Kirsher goto out; 2066e689cf4aSJeff Kirsher } 2067e689cf4aSJeff Kirsher 2068e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PHYXS_DEV_ADDR, 2069e689cf4aSJeff Kirsher BCM8704_PHYXS_XGXS_LANE_STAT); 2070e689cf4aSJeff Kirsher if (err < 0) 2071e689cf4aSJeff Kirsher goto out; 2072e689cf4aSJeff Kirsher 2073e689cf4aSJeff Kirsher if (err != (PHYXS_XGXS_LANE_STAT_ALINGED | 2074e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_MAGIC | 2075e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE3 | 2076e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE2 | 2077e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE1 | 2078e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE0)) { 2079e689cf4aSJeff Kirsher err = 0; 2080e689cf4aSJeff Kirsher goto out; 2081e689cf4aSJeff Kirsher } 2082e689cf4aSJeff Kirsher 2083e689cf4aSJeff Kirsher link_up = 1; 2084e689cf4aSJeff Kirsher np->link_config.active_speed = SPEED_10000; 2085e689cf4aSJeff Kirsher np->link_config.active_duplex = DUPLEX_FULL; 2086e689cf4aSJeff Kirsher err = 0; 2087e689cf4aSJeff Kirsher 2088e689cf4aSJeff Kirsher out: 2089e689cf4aSJeff Kirsher *link_up_p = link_up; 2090e689cf4aSJeff Kirsher return err; 2091e689cf4aSJeff Kirsher } 2092e689cf4aSJeff Kirsher 2093e689cf4aSJeff Kirsher static int link_status_10g(struct niu *np, int *link_up_p) 2094e689cf4aSJeff Kirsher { 2095e689cf4aSJeff Kirsher unsigned long flags; 2096e689cf4aSJeff Kirsher int err = -EINVAL; 2097e689cf4aSJeff Kirsher 2098e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 2099e689cf4aSJeff Kirsher 2100e689cf4aSJeff Kirsher if (np->link_config.loopback_mode == LOOPBACK_DISABLED) { 2101e689cf4aSJeff Kirsher int phy_id; 2102e689cf4aSJeff Kirsher 2103e689cf4aSJeff Kirsher phy_id = phy_decode(np->parent->port_phy, np->port); 2104e689cf4aSJeff Kirsher phy_id = np->parent->phy_probe_info.phy_id[phy_id][np->port]; 2105e689cf4aSJeff Kirsher 2106e689cf4aSJeff Kirsher /* handle different phy types */ 2107e689cf4aSJeff Kirsher switch (phy_id & NIU_PHY_ID_MASK) { 2108e689cf4aSJeff Kirsher case NIU_PHY_ID_MRVL88X2011: 2109e689cf4aSJeff Kirsher err = link_status_10g_mrvl(np, link_up_p); 2110e689cf4aSJeff Kirsher break; 2111e689cf4aSJeff Kirsher 2112e689cf4aSJeff Kirsher default: /* bcom 8704 */ 2113e689cf4aSJeff Kirsher err = link_status_10g_bcom(np, link_up_p); 2114e689cf4aSJeff Kirsher break; 2115e689cf4aSJeff Kirsher } 2116e689cf4aSJeff Kirsher } 2117e689cf4aSJeff Kirsher 2118e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 2119e689cf4aSJeff Kirsher 2120e689cf4aSJeff Kirsher return err; 2121e689cf4aSJeff Kirsher } 2122e689cf4aSJeff Kirsher 2123e689cf4aSJeff Kirsher static int niu_10g_phy_present(struct niu *np) 2124e689cf4aSJeff Kirsher { 2125e689cf4aSJeff Kirsher u64 sig, mask, val; 2126e689cf4aSJeff Kirsher 2127e689cf4aSJeff Kirsher sig = nr64(ESR_INT_SIGNALS); 2128e689cf4aSJeff Kirsher switch (np->port) { 2129e689cf4aSJeff Kirsher case 0: 2130e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P0_BITS; 2131e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P0 | 2132e689cf4aSJeff Kirsher ESR_INT_DET0_P0 | 2133e689cf4aSJeff Kirsher ESR_INT_XSRDY_P0 | 2134e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH3 | 2135e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH2 | 2136e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH1 | 2137e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH0); 2138e689cf4aSJeff Kirsher break; 2139e689cf4aSJeff Kirsher 2140e689cf4aSJeff Kirsher case 1: 2141e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P1_BITS; 2142e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P1 | 2143e689cf4aSJeff Kirsher ESR_INT_DET0_P1 | 2144e689cf4aSJeff Kirsher ESR_INT_XSRDY_P1 | 2145e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH3 | 2146e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH2 | 2147e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH1 | 2148e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH0); 2149e689cf4aSJeff Kirsher break; 2150e689cf4aSJeff Kirsher 2151e689cf4aSJeff Kirsher default: 2152e689cf4aSJeff Kirsher return 0; 2153e689cf4aSJeff Kirsher } 2154e689cf4aSJeff Kirsher 2155e689cf4aSJeff Kirsher if ((sig & mask) != val) 2156e689cf4aSJeff Kirsher return 0; 2157e689cf4aSJeff Kirsher return 1; 2158e689cf4aSJeff Kirsher } 2159e689cf4aSJeff Kirsher 2160e689cf4aSJeff Kirsher static int link_status_10g_hotplug(struct niu *np, int *link_up_p) 2161e689cf4aSJeff Kirsher { 2162e689cf4aSJeff Kirsher unsigned long flags; 2163e689cf4aSJeff Kirsher int err = 0; 2164e689cf4aSJeff Kirsher int phy_present; 2165e689cf4aSJeff Kirsher int phy_present_prev; 2166e689cf4aSJeff Kirsher 2167e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 2168e689cf4aSJeff Kirsher 2169e689cf4aSJeff Kirsher if (np->link_config.loopback_mode == LOOPBACK_DISABLED) { 2170e689cf4aSJeff Kirsher phy_present_prev = (np->flags & NIU_FLAGS_HOTPLUG_PHY_PRESENT) ? 2171e689cf4aSJeff Kirsher 1 : 0; 2172e689cf4aSJeff Kirsher phy_present = niu_10g_phy_present(np); 2173e689cf4aSJeff Kirsher if (phy_present != phy_present_prev) { 2174e689cf4aSJeff Kirsher /* state change */ 2175e689cf4aSJeff Kirsher if (phy_present) { 2176e689cf4aSJeff Kirsher /* A NEM was just plugged in */ 2177e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_HOTPLUG_PHY_PRESENT; 2178e689cf4aSJeff Kirsher if (np->phy_ops->xcvr_init) 2179e689cf4aSJeff Kirsher err = np->phy_ops->xcvr_init(np); 2180e689cf4aSJeff Kirsher if (err) { 2181e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, 2182e689cf4aSJeff Kirsher BCM8704_PHYXS_DEV_ADDR, MII_BMCR); 2183e689cf4aSJeff Kirsher if (err == 0xffff) { 2184e689cf4aSJeff Kirsher /* No mdio, back-to-back XAUI */ 2185e689cf4aSJeff Kirsher goto out; 2186e689cf4aSJeff Kirsher } 2187e689cf4aSJeff Kirsher /* debounce */ 2188e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_HOTPLUG_PHY_PRESENT; 2189e689cf4aSJeff Kirsher } 2190e689cf4aSJeff Kirsher } else { 2191e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_HOTPLUG_PHY_PRESENT; 2192e689cf4aSJeff Kirsher *link_up_p = 0; 2193e689cf4aSJeff Kirsher netif_warn(np, link, np->dev, 2194e689cf4aSJeff Kirsher "Hotplug PHY Removed\n"); 2195e689cf4aSJeff Kirsher } 2196e689cf4aSJeff Kirsher } 2197e689cf4aSJeff Kirsher out: 2198e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_HOTPLUG_PHY_PRESENT) { 2199e689cf4aSJeff Kirsher err = link_status_10g_bcm8706(np, link_up_p); 2200e689cf4aSJeff Kirsher if (err == 0xffff) { 2201e689cf4aSJeff Kirsher /* No mdio, back-to-back XAUI: it is C10NEM */ 2202e689cf4aSJeff Kirsher *link_up_p = 1; 2203e689cf4aSJeff Kirsher np->link_config.active_speed = SPEED_10000; 2204e689cf4aSJeff Kirsher np->link_config.active_duplex = DUPLEX_FULL; 2205e689cf4aSJeff Kirsher } 2206e689cf4aSJeff Kirsher } 2207e689cf4aSJeff Kirsher } 2208e689cf4aSJeff Kirsher 2209e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 2210e689cf4aSJeff Kirsher 2211e689cf4aSJeff Kirsher return 0; 2212e689cf4aSJeff Kirsher } 2213e689cf4aSJeff Kirsher 2214e689cf4aSJeff Kirsher static int niu_link_status(struct niu *np, int *link_up_p) 2215e689cf4aSJeff Kirsher { 2216e689cf4aSJeff Kirsher const struct niu_phy_ops *ops = np->phy_ops; 2217e689cf4aSJeff Kirsher int err; 2218e689cf4aSJeff Kirsher 2219e689cf4aSJeff Kirsher err = 0; 2220e689cf4aSJeff Kirsher if (ops->link_status) 2221e689cf4aSJeff Kirsher err = ops->link_status(np, link_up_p); 2222e689cf4aSJeff Kirsher 2223e689cf4aSJeff Kirsher return err; 2224e689cf4aSJeff Kirsher } 2225e689cf4aSJeff Kirsher 22260822c5d9SKees Cook static void niu_timer(struct timer_list *t) 2227e689cf4aSJeff Kirsher { 22280822c5d9SKees Cook struct niu *np = from_timer(np, t, timer); 2229e689cf4aSJeff Kirsher unsigned long off; 2230e689cf4aSJeff Kirsher int err, link_up; 2231e689cf4aSJeff Kirsher 2232e689cf4aSJeff Kirsher err = niu_link_status(np, &link_up); 2233e689cf4aSJeff Kirsher if (!err) 2234e689cf4aSJeff Kirsher niu_link_status_common(np, link_up); 2235e689cf4aSJeff Kirsher 2236e689cf4aSJeff Kirsher if (netif_carrier_ok(np->dev)) 2237e689cf4aSJeff Kirsher off = 5 * HZ; 2238e689cf4aSJeff Kirsher else 2239e689cf4aSJeff Kirsher off = 1 * HZ; 2240e689cf4aSJeff Kirsher np->timer.expires = jiffies + off; 2241e689cf4aSJeff Kirsher 2242e689cf4aSJeff Kirsher add_timer(&np->timer); 2243e689cf4aSJeff Kirsher } 2244e689cf4aSJeff Kirsher 2245e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_10g_serdes = { 2246e689cf4aSJeff Kirsher .serdes_init = serdes_init_10g_serdes, 2247e689cf4aSJeff Kirsher .link_status = link_status_10g_serdes, 2248e689cf4aSJeff Kirsher }; 2249e689cf4aSJeff Kirsher 2250e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_10g_serdes_niu = { 2251e689cf4aSJeff Kirsher .serdes_init = serdes_init_niu_10g_serdes, 2252e689cf4aSJeff Kirsher .link_status = link_status_10g_serdes, 2253e689cf4aSJeff Kirsher }; 2254e689cf4aSJeff Kirsher 2255e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_1g_serdes_niu = { 2256e689cf4aSJeff Kirsher .serdes_init = serdes_init_niu_1g_serdes, 2257e689cf4aSJeff Kirsher .link_status = link_status_1g_serdes, 2258e689cf4aSJeff Kirsher }; 2259e689cf4aSJeff Kirsher 2260e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_1g_rgmii = { 2261e689cf4aSJeff Kirsher .xcvr_init = xcvr_init_1g_rgmii, 2262e689cf4aSJeff Kirsher .link_status = link_status_1g_rgmii, 2263e689cf4aSJeff Kirsher }; 2264e689cf4aSJeff Kirsher 2265e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_10g_fiber_niu = { 2266e689cf4aSJeff Kirsher .serdes_init = serdes_init_niu_10g_fiber, 2267e689cf4aSJeff Kirsher .xcvr_init = xcvr_init_10g, 2268e689cf4aSJeff Kirsher .link_status = link_status_10g, 2269e689cf4aSJeff Kirsher }; 2270e689cf4aSJeff Kirsher 2271e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_10g_fiber = { 2272e689cf4aSJeff Kirsher .serdes_init = serdes_init_10g, 2273e689cf4aSJeff Kirsher .xcvr_init = xcvr_init_10g, 2274e689cf4aSJeff Kirsher .link_status = link_status_10g, 2275e689cf4aSJeff Kirsher }; 2276e689cf4aSJeff Kirsher 2277e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_10g_fiber_hotplug = { 2278e689cf4aSJeff Kirsher .serdes_init = serdes_init_10g, 2279e689cf4aSJeff Kirsher .xcvr_init = xcvr_init_10g_bcm8706, 2280e689cf4aSJeff Kirsher .link_status = link_status_10g_hotplug, 2281e689cf4aSJeff Kirsher }; 2282e689cf4aSJeff Kirsher 2283e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_niu_10g_hotplug = { 2284e689cf4aSJeff Kirsher .serdes_init = serdes_init_niu_10g_fiber, 2285e689cf4aSJeff Kirsher .xcvr_init = xcvr_init_10g_bcm8706, 2286e689cf4aSJeff Kirsher .link_status = link_status_10g_hotplug, 2287e689cf4aSJeff Kirsher }; 2288e689cf4aSJeff Kirsher 2289e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_10g_copper = { 2290e689cf4aSJeff Kirsher .serdes_init = serdes_init_10g, 2291e689cf4aSJeff Kirsher .link_status = link_status_10g, /* XXX */ 2292e689cf4aSJeff Kirsher }; 2293e689cf4aSJeff Kirsher 2294e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_1g_fiber = { 2295e689cf4aSJeff Kirsher .serdes_init = serdes_init_1g, 2296e689cf4aSJeff Kirsher .xcvr_init = xcvr_init_1g, 2297e689cf4aSJeff Kirsher .link_status = link_status_1g, 2298e689cf4aSJeff Kirsher }; 2299e689cf4aSJeff Kirsher 2300e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_1g_copper = { 2301e689cf4aSJeff Kirsher .xcvr_init = xcvr_init_1g, 2302e689cf4aSJeff Kirsher .link_status = link_status_1g, 2303e689cf4aSJeff Kirsher }; 2304e689cf4aSJeff Kirsher 2305e689cf4aSJeff Kirsher struct niu_phy_template { 2306e689cf4aSJeff Kirsher const struct niu_phy_ops *ops; 2307e689cf4aSJeff Kirsher u32 phy_addr_base; 2308e689cf4aSJeff Kirsher }; 2309e689cf4aSJeff Kirsher 2310e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_niu_10g_fiber = { 2311e689cf4aSJeff Kirsher .ops = &phy_ops_10g_fiber_niu, 2312e689cf4aSJeff Kirsher .phy_addr_base = 16, 2313e689cf4aSJeff Kirsher }; 2314e689cf4aSJeff Kirsher 2315e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_niu_10g_serdes = { 2316e689cf4aSJeff Kirsher .ops = &phy_ops_10g_serdes_niu, 2317e689cf4aSJeff Kirsher .phy_addr_base = 0, 2318e689cf4aSJeff Kirsher }; 2319e689cf4aSJeff Kirsher 2320e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_niu_1g_serdes = { 2321e689cf4aSJeff Kirsher .ops = &phy_ops_1g_serdes_niu, 2322e689cf4aSJeff Kirsher .phy_addr_base = 0, 2323e689cf4aSJeff Kirsher }; 2324e689cf4aSJeff Kirsher 2325e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_10g_fiber = { 2326e689cf4aSJeff Kirsher .ops = &phy_ops_10g_fiber, 2327e689cf4aSJeff Kirsher .phy_addr_base = 8, 2328e689cf4aSJeff Kirsher }; 2329e689cf4aSJeff Kirsher 2330e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_10g_fiber_hotplug = { 2331e689cf4aSJeff Kirsher .ops = &phy_ops_10g_fiber_hotplug, 2332e689cf4aSJeff Kirsher .phy_addr_base = 8, 2333e689cf4aSJeff Kirsher }; 2334e689cf4aSJeff Kirsher 2335e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_niu_10g_hotplug = { 2336e689cf4aSJeff Kirsher .ops = &phy_ops_niu_10g_hotplug, 2337e689cf4aSJeff Kirsher .phy_addr_base = 8, 2338e689cf4aSJeff Kirsher }; 2339e689cf4aSJeff Kirsher 2340e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_10g_copper = { 2341e689cf4aSJeff Kirsher .ops = &phy_ops_10g_copper, 2342e689cf4aSJeff Kirsher .phy_addr_base = 10, 2343e689cf4aSJeff Kirsher }; 2344e689cf4aSJeff Kirsher 2345e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_1g_fiber = { 2346e689cf4aSJeff Kirsher .ops = &phy_ops_1g_fiber, 2347e689cf4aSJeff Kirsher .phy_addr_base = 0, 2348e689cf4aSJeff Kirsher }; 2349e689cf4aSJeff Kirsher 2350e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_1g_copper = { 2351e689cf4aSJeff Kirsher .ops = &phy_ops_1g_copper, 2352e689cf4aSJeff Kirsher .phy_addr_base = 0, 2353e689cf4aSJeff Kirsher }; 2354e689cf4aSJeff Kirsher 2355e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_1g_rgmii = { 2356e689cf4aSJeff Kirsher .ops = &phy_ops_1g_rgmii, 2357e689cf4aSJeff Kirsher .phy_addr_base = 0, 2358e689cf4aSJeff Kirsher }; 2359e689cf4aSJeff Kirsher 2360e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_10g_serdes = { 2361e689cf4aSJeff Kirsher .ops = &phy_ops_10g_serdes, 2362e689cf4aSJeff Kirsher .phy_addr_base = 0, 2363e689cf4aSJeff Kirsher }; 2364e689cf4aSJeff Kirsher 2365e689cf4aSJeff Kirsher static int niu_atca_port_num[4] = { 2366e689cf4aSJeff Kirsher 0, 0, 11, 10 2367e689cf4aSJeff Kirsher }; 2368e689cf4aSJeff Kirsher 2369e689cf4aSJeff Kirsher static int serdes_init_10g_serdes(struct niu *np) 2370e689cf4aSJeff Kirsher { 2371e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 2372e689cf4aSJeff Kirsher unsigned long ctrl_reg, test_cfg_reg, pll_cfg, i; 2373e689cf4aSJeff Kirsher u64 ctrl_val, test_cfg_val, sig, mask, val; 2374e689cf4aSJeff Kirsher 2375e689cf4aSJeff Kirsher switch (np->port) { 2376e689cf4aSJeff Kirsher case 0: 2377e689cf4aSJeff Kirsher ctrl_reg = ENET_SERDES_0_CTRL_CFG; 2378e689cf4aSJeff Kirsher test_cfg_reg = ENET_SERDES_0_TEST_CFG; 2379e689cf4aSJeff Kirsher pll_cfg = ENET_SERDES_0_PLL_CFG; 2380e689cf4aSJeff Kirsher break; 2381e689cf4aSJeff Kirsher case 1: 2382e689cf4aSJeff Kirsher ctrl_reg = ENET_SERDES_1_CTRL_CFG; 2383e689cf4aSJeff Kirsher test_cfg_reg = ENET_SERDES_1_TEST_CFG; 2384e689cf4aSJeff Kirsher pll_cfg = ENET_SERDES_1_PLL_CFG; 2385e689cf4aSJeff Kirsher break; 2386e689cf4aSJeff Kirsher 2387e689cf4aSJeff Kirsher default: 2388e689cf4aSJeff Kirsher return -EINVAL; 2389e689cf4aSJeff Kirsher } 2390e689cf4aSJeff Kirsher ctrl_val = (ENET_SERDES_CTRL_SDET_0 | 2391e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_1 | 2392e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_2 | 2393e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_3 | 2394e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_0_SHIFT) | 2395e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_1_SHIFT) | 2396e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_2_SHIFT) | 2397e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_3_SHIFT) | 2398e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_0_SHIFT) | 2399e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_1_SHIFT) | 2400e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_2_SHIFT) | 2401e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_3_SHIFT)); 2402e689cf4aSJeff Kirsher test_cfg_val = 0; 2403e689cf4aSJeff Kirsher 2404e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) { 2405e689cf4aSJeff Kirsher test_cfg_val |= ((ENET_TEST_MD_PAD_LOOPBACK << 2406e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_0_SHIFT) | 2407e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 2408e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_1_SHIFT) | 2409e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 2410e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_2_SHIFT) | 2411e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 2412e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_3_SHIFT)); 2413e689cf4aSJeff Kirsher } 2414e689cf4aSJeff Kirsher 2415e689cf4aSJeff Kirsher esr_reset(np); 2416e689cf4aSJeff Kirsher nw64(pll_cfg, ENET_SERDES_PLL_FBDIV2); 2417e689cf4aSJeff Kirsher nw64(ctrl_reg, ctrl_val); 2418e689cf4aSJeff Kirsher nw64(test_cfg_reg, test_cfg_val); 2419e689cf4aSJeff Kirsher 2420e689cf4aSJeff Kirsher /* Initialize all 4 lanes of the SERDES. */ 2421e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 2422e689cf4aSJeff Kirsher u32 rxtx_ctrl, glue0; 2423e689cf4aSJeff Kirsher int err; 2424e689cf4aSJeff Kirsher 2425e689cf4aSJeff Kirsher err = esr_read_rxtx_ctrl(np, i, &rxtx_ctrl); 2426e689cf4aSJeff Kirsher if (err) 2427e689cf4aSJeff Kirsher return err; 2428e689cf4aSJeff Kirsher err = esr_read_glue0(np, i, &glue0); 2429e689cf4aSJeff Kirsher if (err) 2430e689cf4aSJeff Kirsher return err; 2431e689cf4aSJeff Kirsher 2432e689cf4aSJeff Kirsher rxtx_ctrl &= ~(ESR_RXTX_CTRL_VMUXLO); 2433e689cf4aSJeff Kirsher rxtx_ctrl |= (ESR_RXTX_CTRL_ENSTRETCH | 2434e689cf4aSJeff Kirsher (2 << ESR_RXTX_CTRL_VMUXLO_SHIFT)); 2435e689cf4aSJeff Kirsher 2436e689cf4aSJeff Kirsher glue0 &= ~(ESR_GLUE_CTRL0_SRATE | 2437e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_THCNT | 2438e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_BLTIME); 2439e689cf4aSJeff Kirsher glue0 |= (ESR_GLUE_CTRL0_RXLOSENAB | 2440e689cf4aSJeff Kirsher (0xf << ESR_GLUE_CTRL0_SRATE_SHIFT) | 2441e689cf4aSJeff Kirsher (0xff << ESR_GLUE_CTRL0_THCNT_SHIFT) | 2442e689cf4aSJeff Kirsher (BLTIME_300_CYCLES << 2443e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_BLTIME_SHIFT)); 2444e689cf4aSJeff Kirsher 2445e689cf4aSJeff Kirsher err = esr_write_rxtx_ctrl(np, i, rxtx_ctrl); 2446e689cf4aSJeff Kirsher if (err) 2447e689cf4aSJeff Kirsher return err; 2448e689cf4aSJeff Kirsher err = esr_write_glue0(np, i, glue0); 2449e689cf4aSJeff Kirsher if (err) 2450e689cf4aSJeff Kirsher return err; 2451e689cf4aSJeff Kirsher } 2452e689cf4aSJeff Kirsher 2453e689cf4aSJeff Kirsher 2454e689cf4aSJeff Kirsher sig = nr64(ESR_INT_SIGNALS); 2455e689cf4aSJeff Kirsher switch (np->port) { 2456e689cf4aSJeff Kirsher case 0: 2457e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P0_BITS; 2458e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P0 | 2459e689cf4aSJeff Kirsher ESR_INT_DET0_P0 | 2460e689cf4aSJeff Kirsher ESR_INT_XSRDY_P0 | 2461e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH3 | 2462e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH2 | 2463e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH1 | 2464e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH0); 2465e689cf4aSJeff Kirsher break; 2466e689cf4aSJeff Kirsher 2467e689cf4aSJeff Kirsher case 1: 2468e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P1_BITS; 2469e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P1 | 2470e689cf4aSJeff Kirsher ESR_INT_DET0_P1 | 2471e689cf4aSJeff Kirsher ESR_INT_XSRDY_P1 | 2472e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH3 | 2473e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH2 | 2474e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH1 | 2475e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH0); 2476e689cf4aSJeff Kirsher break; 2477e689cf4aSJeff Kirsher 2478e689cf4aSJeff Kirsher default: 2479e689cf4aSJeff Kirsher return -EINVAL; 2480e689cf4aSJeff Kirsher } 2481e689cf4aSJeff Kirsher 2482e689cf4aSJeff Kirsher if ((sig & mask) != val) { 2483e689cf4aSJeff Kirsher int err; 2484e689cf4aSJeff Kirsher err = serdes_init_1g_serdes(np); 2485e689cf4aSJeff Kirsher if (!err) { 2486e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_10G; 2487e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_PCS; 2488e689cf4aSJeff Kirsher } else { 2489e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u 10G/1G SERDES Link Failed\n", 2490e689cf4aSJeff Kirsher np->port); 2491e689cf4aSJeff Kirsher return -ENODEV; 2492e689cf4aSJeff Kirsher } 2493e689cf4aSJeff Kirsher } 2494e689cf4aSJeff Kirsher 2495e689cf4aSJeff Kirsher return 0; 2496e689cf4aSJeff Kirsher } 2497e689cf4aSJeff Kirsher 2498e689cf4aSJeff Kirsher static int niu_determine_phy_disposition(struct niu *np) 2499e689cf4aSJeff Kirsher { 2500e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 2501e689cf4aSJeff Kirsher u8 plat_type = parent->plat_type; 2502e689cf4aSJeff Kirsher const struct niu_phy_template *tp; 2503e689cf4aSJeff Kirsher u32 phy_addr_off = 0; 2504e689cf4aSJeff Kirsher 2505e689cf4aSJeff Kirsher if (plat_type == PLAT_TYPE_NIU) { 2506e689cf4aSJeff Kirsher switch (np->flags & 2507e689cf4aSJeff Kirsher (NIU_FLAGS_10G | 2508e689cf4aSJeff Kirsher NIU_FLAGS_FIBER | 2509e689cf4aSJeff Kirsher NIU_FLAGS_XCVR_SERDES)) { 2510e689cf4aSJeff Kirsher case NIU_FLAGS_10G | NIU_FLAGS_XCVR_SERDES: 2511e689cf4aSJeff Kirsher /* 10G Serdes */ 2512e689cf4aSJeff Kirsher tp = &phy_template_niu_10g_serdes; 2513e689cf4aSJeff Kirsher break; 2514e689cf4aSJeff Kirsher case NIU_FLAGS_XCVR_SERDES: 2515e689cf4aSJeff Kirsher /* 1G Serdes */ 2516e689cf4aSJeff Kirsher tp = &phy_template_niu_1g_serdes; 2517e689cf4aSJeff Kirsher break; 2518e689cf4aSJeff Kirsher case NIU_FLAGS_10G | NIU_FLAGS_FIBER: 2519e689cf4aSJeff Kirsher /* 10G Fiber */ 2520e689cf4aSJeff Kirsher default: 2521e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_HOTPLUG_PHY) { 2522e689cf4aSJeff Kirsher tp = &phy_template_niu_10g_hotplug; 2523e689cf4aSJeff Kirsher if (np->port == 0) 2524e689cf4aSJeff Kirsher phy_addr_off = 8; 2525e689cf4aSJeff Kirsher if (np->port == 1) 2526e689cf4aSJeff Kirsher phy_addr_off = 12; 2527e689cf4aSJeff Kirsher } else { 2528e689cf4aSJeff Kirsher tp = &phy_template_niu_10g_fiber; 2529e689cf4aSJeff Kirsher phy_addr_off += np->port; 2530e689cf4aSJeff Kirsher } 2531e689cf4aSJeff Kirsher break; 2532e689cf4aSJeff Kirsher } 2533e689cf4aSJeff Kirsher } else { 2534e689cf4aSJeff Kirsher switch (np->flags & 2535e689cf4aSJeff Kirsher (NIU_FLAGS_10G | 2536e689cf4aSJeff Kirsher NIU_FLAGS_FIBER | 2537e689cf4aSJeff Kirsher NIU_FLAGS_XCVR_SERDES)) { 2538e689cf4aSJeff Kirsher case 0: 2539e689cf4aSJeff Kirsher /* 1G copper */ 2540e689cf4aSJeff Kirsher tp = &phy_template_1g_copper; 2541e689cf4aSJeff Kirsher if (plat_type == PLAT_TYPE_VF_P0) 2542e689cf4aSJeff Kirsher phy_addr_off = 10; 2543e689cf4aSJeff Kirsher else if (plat_type == PLAT_TYPE_VF_P1) 2544e689cf4aSJeff Kirsher phy_addr_off = 26; 2545e689cf4aSJeff Kirsher 2546e689cf4aSJeff Kirsher phy_addr_off += (np->port ^ 0x3); 2547e689cf4aSJeff Kirsher break; 2548e689cf4aSJeff Kirsher 2549e689cf4aSJeff Kirsher case NIU_FLAGS_10G: 2550e689cf4aSJeff Kirsher /* 10G copper */ 2551e689cf4aSJeff Kirsher tp = &phy_template_10g_copper; 2552e689cf4aSJeff Kirsher break; 2553e689cf4aSJeff Kirsher 2554e689cf4aSJeff Kirsher case NIU_FLAGS_FIBER: 2555e689cf4aSJeff Kirsher /* 1G fiber */ 2556e689cf4aSJeff Kirsher tp = &phy_template_1g_fiber; 2557e689cf4aSJeff Kirsher break; 2558e689cf4aSJeff Kirsher 2559e689cf4aSJeff Kirsher case NIU_FLAGS_10G | NIU_FLAGS_FIBER: 2560e689cf4aSJeff Kirsher /* 10G fiber */ 2561e689cf4aSJeff Kirsher tp = &phy_template_10g_fiber; 2562e689cf4aSJeff Kirsher if (plat_type == PLAT_TYPE_VF_P0 || 2563e689cf4aSJeff Kirsher plat_type == PLAT_TYPE_VF_P1) 2564e689cf4aSJeff Kirsher phy_addr_off = 8; 2565e689cf4aSJeff Kirsher phy_addr_off += np->port; 2566e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_HOTPLUG_PHY) { 2567e689cf4aSJeff Kirsher tp = &phy_template_10g_fiber_hotplug; 2568e689cf4aSJeff Kirsher if (np->port == 0) 2569e689cf4aSJeff Kirsher phy_addr_off = 8; 2570e689cf4aSJeff Kirsher if (np->port == 1) 2571e689cf4aSJeff Kirsher phy_addr_off = 12; 2572e689cf4aSJeff Kirsher } 2573e689cf4aSJeff Kirsher break; 2574e689cf4aSJeff Kirsher 2575e689cf4aSJeff Kirsher case NIU_FLAGS_10G | NIU_FLAGS_XCVR_SERDES: 2576e689cf4aSJeff Kirsher case NIU_FLAGS_XCVR_SERDES | NIU_FLAGS_FIBER: 2577e689cf4aSJeff Kirsher case NIU_FLAGS_XCVR_SERDES: 2578e689cf4aSJeff Kirsher switch(np->port) { 2579e689cf4aSJeff Kirsher case 0: 2580e689cf4aSJeff Kirsher case 1: 2581e689cf4aSJeff Kirsher tp = &phy_template_10g_serdes; 2582e689cf4aSJeff Kirsher break; 2583e689cf4aSJeff Kirsher case 2: 2584e689cf4aSJeff Kirsher case 3: 2585e689cf4aSJeff Kirsher tp = &phy_template_1g_rgmii; 2586e689cf4aSJeff Kirsher break; 2587e689cf4aSJeff Kirsher default: 2588e689cf4aSJeff Kirsher return -EINVAL; 2589e689cf4aSJeff Kirsher } 2590e689cf4aSJeff Kirsher phy_addr_off = niu_atca_port_num[np->port]; 2591e689cf4aSJeff Kirsher break; 2592e689cf4aSJeff Kirsher 2593e689cf4aSJeff Kirsher default: 2594e689cf4aSJeff Kirsher return -EINVAL; 2595e689cf4aSJeff Kirsher } 2596e689cf4aSJeff Kirsher } 2597e689cf4aSJeff Kirsher 2598e689cf4aSJeff Kirsher np->phy_ops = tp->ops; 2599e689cf4aSJeff Kirsher np->phy_addr = tp->phy_addr_base + phy_addr_off; 2600e689cf4aSJeff Kirsher 2601e689cf4aSJeff Kirsher return 0; 2602e689cf4aSJeff Kirsher } 2603e689cf4aSJeff Kirsher 2604e689cf4aSJeff Kirsher static int niu_init_link(struct niu *np) 2605e689cf4aSJeff Kirsher { 2606e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 2607e689cf4aSJeff Kirsher int err, ignore; 2608e689cf4aSJeff Kirsher 2609e689cf4aSJeff Kirsher if (parent->plat_type == PLAT_TYPE_NIU) { 2610e689cf4aSJeff Kirsher err = niu_xcvr_init(np); 2611e689cf4aSJeff Kirsher if (err) 2612e689cf4aSJeff Kirsher return err; 2613e689cf4aSJeff Kirsher msleep(200); 2614e689cf4aSJeff Kirsher } 2615e689cf4aSJeff Kirsher err = niu_serdes_init(np); 2616e689cf4aSJeff Kirsher if (err && !(np->flags & NIU_FLAGS_HOTPLUG_PHY)) 2617e689cf4aSJeff Kirsher return err; 2618e689cf4aSJeff Kirsher msleep(200); 2619e689cf4aSJeff Kirsher err = niu_xcvr_init(np); 2620e689cf4aSJeff Kirsher if (!err || (np->flags & NIU_FLAGS_HOTPLUG_PHY)) 2621e689cf4aSJeff Kirsher niu_link_status(np, &ignore); 2622e689cf4aSJeff Kirsher return 0; 2623e689cf4aSJeff Kirsher } 2624e689cf4aSJeff Kirsher 2625a7639279SJakub Kicinski static void niu_set_primary_mac(struct niu *np, const unsigned char *addr) 2626e689cf4aSJeff Kirsher { 2627e689cf4aSJeff Kirsher u16 reg0 = addr[4] << 8 | addr[5]; 2628e689cf4aSJeff Kirsher u16 reg1 = addr[2] << 8 | addr[3]; 2629e689cf4aSJeff Kirsher u16 reg2 = addr[0] << 8 | addr[1]; 2630e689cf4aSJeff Kirsher 2631e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) { 2632e689cf4aSJeff Kirsher nw64_mac(XMAC_ADDR0, reg0); 2633e689cf4aSJeff Kirsher nw64_mac(XMAC_ADDR1, reg1); 2634e689cf4aSJeff Kirsher nw64_mac(XMAC_ADDR2, reg2); 2635e689cf4aSJeff Kirsher } else { 2636e689cf4aSJeff Kirsher nw64_mac(BMAC_ADDR0, reg0); 2637e689cf4aSJeff Kirsher nw64_mac(BMAC_ADDR1, reg1); 2638e689cf4aSJeff Kirsher nw64_mac(BMAC_ADDR2, reg2); 2639e689cf4aSJeff Kirsher } 2640e689cf4aSJeff Kirsher } 2641e689cf4aSJeff Kirsher 2642e689cf4aSJeff Kirsher static int niu_num_alt_addr(struct niu *np) 2643e689cf4aSJeff Kirsher { 2644e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 2645e689cf4aSJeff Kirsher return XMAC_NUM_ALT_ADDR; 2646e689cf4aSJeff Kirsher else 2647e689cf4aSJeff Kirsher return BMAC_NUM_ALT_ADDR; 2648e689cf4aSJeff Kirsher } 2649e689cf4aSJeff Kirsher 2650e689cf4aSJeff Kirsher static int niu_set_alt_mac(struct niu *np, int index, unsigned char *addr) 2651e689cf4aSJeff Kirsher { 2652e689cf4aSJeff Kirsher u16 reg0 = addr[4] << 8 | addr[5]; 2653e689cf4aSJeff Kirsher u16 reg1 = addr[2] << 8 | addr[3]; 2654e689cf4aSJeff Kirsher u16 reg2 = addr[0] << 8 | addr[1]; 2655e689cf4aSJeff Kirsher 2656e689cf4aSJeff Kirsher if (index >= niu_num_alt_addr(np)) 2657e689cf4aSJeff Kirsher return -EINVAL; 2658e689cf4aSJeff Kirsher 2659e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) { 2660e689cf4aSJeff Kirsher nw64_mac(XMAC_ALT_ADDR0(index), reg0); 2661e689cf4aSJeff Kirsher nw64_mac(XMAC_ALT_ADDR1(index), reg1); 2662e689cf4aSJeff Kirsher nw64_mac(XMAC_ALT_ADDR2(index), reg2); 2663e689cf4aSJeff Kirsher } else { 2664e689cf4aSJeff Kirsher nw64_mac(BMAC_ALT_ADDR0(index), reg0); 2665e689cf4aSJeff Kirsher nw64_mac(BMAC_ALT_ADDR1(index), reg1); 2666e689cf4aSJeff Kirsher nw64_mac(BMAC_ALT_ADDR2(index), reg2); 2667e689cf4aSJeff Kirsher } 2668e689cf4aSJeff Kirsher 2669e689cf4aSJeff Kirsher return 0; 2670e689cf4aSJeff Kirsher } 2671e689cf4aSJeff Kirsher 2672e689cf4aSJeff Kirsher static int niu_enable_alt_mac(struct niu *np, int index, int on) 2673e689cf4aSJeff Kirsher { 2674e689cf4aSJeff Kirsher unsigned long reg; 2675e689cf4aSJeff Kirsher u64 val, mask; 2676e689cf4aSJeff Kirsher 2677e689cf4aSJeff Kirsher if (index >= niu_num_alt_addr(np)) 2678e689cf4aSJeff Kirsher return -EINVAL; 2679e689cf4aSJeff Kirsher 2680e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) { 2681e689cf4aSJeff Kirsher reg = XMAC_ADDR_CMPEN; 2682e689cf4aSJeff Kirsher mask = 1 << index; 2683e689cf4aSJeff Kirsher } else { 2684e689cf4aSJeff Kirsher reg = BMAC_ADDR_CMPEN; 2685e689cf4aSJeff Kirsher mask = 1 << (index + 1); 2686e689cf4aSJeff Kirsher } 2687e689cf4aSJeff Kirsher 2688e689cf4aSJeff Kirsher val = nr64_mac(reg); 2689e689cf4aSJeff Kirsher if (on) 2690e689cf4aSJeff Kirsher val |= mask; 2691e689cf4aSJeff Kirsher else 2692e689cf4aSJeff Kirsher val &= ~mask; 2693e689cf4aSJeff Kirsher nw64_mac(reg, val); 2694e689cf4aSJeff Kirsher 2695e689cf4aSJeff Kirsher return 0; 2696e689cf4aSJeff Kirsher } 2697e689cf4aSJeff Kirsher 2698e689cf4aSJeff Kirsher static void __set_rdc_table_num_hw(struct niu *np, unsigned long reg, 2699e689cf4aSJeff Kirsher int num, int mac_pref) 2700e689cf4aSJeff Kirsher { 2701e689cf4aSJeff Kirsher u64 val = nr64_mac(reg); 2702e689cf4aSJeff Kirsher val &= ~(HOST_INFO_MACRDCTBLN | HOST_INFO_MPR); 2703e689cf4aSJeff Kirsher val |= num; 2704e689cf4aSJeff Kirsher if (mac_pref) 2705e689cf4aSJeff Kirsher val |= HOST_INFO_MPR; 2706e689cf4aSJeff Kirsher nw64_mac(reg, val); 2707e689cf4aSJeff Kirsher } 2708e689cf4aSJeff Kirsher 2709e689cf4aSJeff Kirsher static int __set_rdc_table_num(struct niu *np, 2710e689cf4aSJeff Kirsher int xmac_index, int bmac_index, 2711e689cf4aSJeff Kirsher int rdc_table_num, int mac_pref) 2712e689cf4aSJeff Kirsher { 2713e689cf4aSJeff Kirsher unsigned long reg; 2714e689cf4aSJeff Kirsher 2715e689cf4aSJeff Kirsher if (rdc_table_num & ~HOST_INFO_MACRDCTBLN) 2716e689cf4aSJeff Kirsher return -EINVAL; 2717e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 2718e689cf4aSJeff Kirsher reg = XMAC_HOST_INFO(xmac_index); 2719e689cf4aSJeff Kirsher else 2720e689cf4aSJeff Kirsher reg = BMAC_HOST_INFO(bmac_index); 2721e689cf4aSJeff Kirsher __set_rdc_table_num_hw(np, reg, rdc_table_num, mac_pref); 2722e689cf4aSJeff Kirsher return 0; 2723e689cf4aSJeff Kirsher } 2724e689cf4aSJeff Kirsher 2725e689cf4aSJeff Kirsher static int niu_set_primary_mac_rdc_table(struct niu *np, int table_num, 2726e689cf4aSJeff Kirsher int mac_pref) 2727e689cf4aSJeff Kirsher { 2728e689cf4aSJeff Kirsher return __set_rdc_table_num(np, 17, 0, table_num, mac_pref); 2729e689cf4aSJeff Kirsher } 2730e689cf4aSJeff Kirsher 2731e689cf4aSJeff Kirsher static int niu_set_multicast_mac_rdc_table(struct niu *np, int table_num, 2732e689cf4aSJeff Kirsher int mac_pref) 2733e689cf4aSJeff Kirsher { 2734e689cf4aSJeff Kirsher return __set_rdc_table_num(np, 16, 8, table_num, mac_pref); 2735e689cf4aSJeff Kirsher } 2736e689cf4aSJeff Kirsher 2737e689cf4aSJeff Kirsher static int niu_set_alt_mac_rdc_table(struct niu *np, int idx, 2738e689cf4aSJeff Kirsher int table_num, int mac_pref) 2739e689cf4aSJeff Kirsher { 2740e689cf4aSJeff Kirsher if (idx >= niu_num_alt_addr(np)) 2741e689cf4aSJeff Kirsher return -EINVAL; 2742e689cf4aSJeff Kirsher return __set_rdc_table_num(np, idx, idx + 1, table_num, mac_pref); 2743e689cf4aSJeff Kirsher } 2744e689cf4aSJeff Kirsher 2745e689cf4aSJeff Kirsher static u64 vlan_entry_set_parity(u64 reg_val) 2746e689cf4aSJeff Kirsher { 2747e689cf4aSJeff Kirsher u64 port01_mask; 2748e689cf4aSJeff Kirsher u64 port23_mask; 2749e689cf4aSJeff Kirsher 2750e689cf4aSJeff Kirsher port01_mask = 0x00ff; 2751e689cf4aSJeff Kirsher port23_mask = 0xff00; 2752e689cf4aSJeff Kirsher 2753e689cf4aSJeff Kirsher if (hweight64(reg_val & port01_mask) & 1) 2754e689cf4aSJeff Kirsher reg_val |= ENET_VLAN_TBL_PARITY0; 2755e689cf4aSJeff Kirsher else 2756e689cf4aSJeff Kirsher reg_val &= ~ENET_VLAN_TBL_PARITY0; 2757e689cf4aSJeff Kirsher 2758e689cf4aSJeff Kirsher if (hweight64(reg_val & port23_mask) & 1) 2759e689cf4aSJeff Kirsher reg_val |= ENET_VLAN_TBL_PARITY1; 2760e689cf4aSJeff Kirsher else 2761e689cf4aSJeff Kirsher reg_val &= ~ENET_VLAN_TBL_PARITY1; 2762e689cf4aSJeff Kirsher 2763e689cf4aSJeff Kirsher return reg_val; 2764e689cf4aSJeff Kirsher } 2765e689cf4aSJeff Kirsher 2766e689cf4aSJeff Kirsher static void vlan_tbl_write(struct niu *np, unsigned long index, 2767e689cf4aSJeff Kirsher int port, int vpr, int rdc_table) 2768e689cf4aSJeff Kirsher { 2769e689cf4aSJeff Kirsher u64 reg_val = nr64(ENET_VLAN_TBL(index)); 2770e689cf4aSJeff Kirsher 2771e689cf4aSJeff Kirsher reg_val &= ~((ENET_VLAN_TBL_VPR | 2772e689cf4aSJeff Kirsher ENET_VLAN_TBL_VLANRDCTBLN) << 2773e689cf4aSJeff Kirsher ENET_VLAN_TBL_SHIFT(port)); 2774e689cf4aSJeff Kirsher if (vpr) 2775e689cf4aSJeff Kirsher reg_val |= (ENET_VLAN_TBL_VPR << 2776e689cf4aSJeff Kirsher ENET_VLAN_TBL_SHIFT(port)); 2777e689cf4aSJeff Kirsher reg_val |= (rdc_table << ENET_VLAN_TBL_SHIFT(port)); 2778e689cf4aSJeff Kirsher 2779e689cf4aSJeff Kirsher reg_val = vlan_entry_set_parity(reg_val); 2780e689cf4aSJeff Kirsher 2781e689cf4aSJeff Kirsher nw64(ENET_VLAN_TBL(index), reg_val); 2782e689cf4aSJeff Kirsher } 2783e689cf4aSJeff Kirsher 2784e689cf4aSJeff Kirsher static void vlan_tbl_clear(struct niu *np) 2785e689cf4aSJeff Kirsher { 2786e689cf4aSJeff Kirsher int i; 2787e689cf4aSJeff Kirsher 2788e689cf4aSJeff Kirsher for (i = 0; i < ENET_VLAN_TBL_NUM_ENTRIES; i++) 2789e689cf4aSJeff Kirsher nw64(ENET_VLAN_TBL(i), 0); 2790e689cf4aSJeff Kirsher } 2791e689cf4aSJeff Kirsher 2792e689cf4aSJeff Kirsher static int tcam_wait_bit(struct niu *np, u64 bit) 2793e689cf4aSJeff Kirsher { 2794e689cf4aSJeff Kirsher int limit = 1000; 2795e689cf4aSJeff Kirsher 2796e689cf4aSJeff Kirsher while (--limit > 0) { 2797e689cf4aSJeff Kirsher if (nr64(TCAM_CTL) & bit) 2798e689cf4aSJeff Kirsher break; 2799e689cf4aSJeff Kirsher udelay(1); 2800e689cf4aSJeff Kirsher } 2801e689cf4aSJeff Kirsher if (limit <= 0) 2802e689cf4aSJeff Kirsher return -ENODEV; 2803e689cf4aSJeff Kirsher 2804e689cf4aSJeff Kirsher return 0; 2805e689cf4aSJeff Kirsher } 2806e689cf4aSJeff Kirsher 2807e689cf4aSJeff Kirsher static int tcam_flush(struct niu *np, int index) 2808e689cf4aSJeff Kirsher { 2809e689cf4aSJeff Kirsher nw64(TCAM_KEY_0, 0x00); 2810e689cf4aSJeff Kirsher nw64(TCAM_KEY_MASK_0, 0xff); 2811e689cf4aSJeff Kirsher nw64(TCAM_CTL, (TCAM_CTL_RWC_TCAM_WRITE | index)); 2812e689cf4aSJeff Kirsher 2813e689cf4aSJeff Kirsher return tcam_wait_bit(np, TCAM_CTL_STAT); 2814e689cf4aSJeff Kirsher } 2815e689cf4aSJeff Kirsher 2816e689cf4aSJeff Kirsher #if 0 2817e689cf4aSJeff Kirsher static int tcam_read(struct niu *np, int index, 2818e689cf4aSJeff Kirsher u64 *key, u64 *mask) 2819e689cf4aSJeff Kirsher { 2820e689cf4aSJeff Kirsher int err; 2821e689cf4aSJeff Kirsher 2822e689cf4aSJeff Kirsher nw64(TCAM_CTL, (TCAM_CTL_RWC_TCAM_READ | index)); 2823e689cf4aSJeff Kirsher err = tcam_wait_bit(np, TCAM_CTL_STAT); 2824e689cf4aSJeff Kirsher if (!err) { 2825e689cf4aSJeff Kirsher key[0] = nr64(TCAM_KEY_0); 2826e689cf4aSJeff Kirsher key[1] = nr64(TCAM_KEY_1); 2827e689cf4aSJeff Kirsher key[2] = nr64(TCAM_KEY_2); 2828e689cf4aSJeff Kirsher key[3] = nr64(TCAM_KEY_3); 2829e689cf4aSJeff Kirsher mask[0] = nr64(TCAM_KEY_MASK_0); 2830e689cf4aSJeff Kirsher mask[1] = nr64(TCAM_KEY_MASK_1); 2831e689cf4aSJeff Kirsher mask[2] = nr64(TCAM_KEY_MASK_2); 2832e689cf4aSJeff Kirsher mask[3] = nr64(TCAM_KEY_MASK_3); 2833e689cf4aSJeff Kirsher } 2834e689cf4aSJeff Kirsher return err; 2835e689cf4aSJeff Kirsher } 2836e689cf4aSJeff Kirsher #endif 2837e689cf4aSJeff Kirsher 2838e689cf4aSJeff Kirsher static int tcam_write(struct niu *np, int index, 2839e689cf4aSJeff Kirsher u64 *key, u64 *mask) 2840e689cf4aSJeff Kirsher { 2841e689cf4aSJeff Kirsher nw64(TCAM_KEY_0, key[0]); 2842e689cf4aSJeff Kirsher nw64(TCAM_KEY_1, key[1]); 2843e689cf4aSJeff Kirsher nw64(TCAM_KEY_2, key[2]); 2844e689cf4aSJeff Kirsher nw64(TCAM_KEY_3, key[3]); 2845e689cf4aSJeff Kirsher nw64(TCAM_KEY_MASK_0, mask[0]); 2846e689cf4aSJeff Kirsher nw64(TCAM_KEY_MASK_1, mask[1]); 2847e689cf4aSJeff Kirsher nw64(TCAM_KEY_MASK_2, mask[2]); 2848e689cf4aSJeff Kirsher nw64(TCAM_KEY_MASK_3, mask[3]); 2849e689cf4aSJeff Kirsher nw64(TCAM_CTL, (TCAM_CTL_RWC_TCAM_WRITE | index)); 2850e689cf4aSJeff Kirsher 2851e689cf4aSJeff Kirsher return tcam_wait_bit(np, TCAM_CTL_STAT); 2852e689cf4aSJeff Kirsher } 2853e689cf4aSJeff Kirsher 2854e689cf4aSJeff Kirsher #if 0 2855e689cf4aSJeff Kirsher static int tcam_assoc_read(struct niu *np, int index, u64 *data) 2856e689cf4aSJeff Kirsher { 2857e689cf4aSJeff Kirsher int err; 2858e689cf4aSJeff Kirsher 2859e689cf4aSJeff Kirsher nw64(TCAM_CTL, (TCAM_CTL_RWC_RAM_READ | index)); 2860e689cf4aSJeff Kirsher err = tcam_wait_bit(np, TCAM_CTL_STAT); 2861e689cf4aSJeff Kirsher if (!err) 2862e689cf4aSJeff Kirsher *data = nr64(TCAM_KEY_1); 2863e689cf4aSJeff Kirsher 2864e689cf4aSJeff Kirsher return err; 2865e689cf4aSJeff Kirsher } 2866e689cf4aSJeff Kirsher #endif 2867e689cf4aSJeff Kirsher 2868e689cf4aSJeff Kirsher static int tcam_assoc_write(struct niu *np, int index, u64 assoc_data) 2869e689cf4aSJeff Kirsher { 2870e689cf4aSJeff Kirsher nw64(TCAM_KEY_1, assoc_data); 2871e689cf4aSJeff Kirsher nw64(TCAM_CTL, (TCAM_CTL_RWC_RAM_WRITE | index)); 2872e689cf4aSJeff Kirsher 2873e689cf4aSJeff Kirsher return tcam_wait_bit(np, TCAM_CTL_STAT); 2874e689cf4aSJeff Kirsher } 2875e689cf4aSJeff Kirsher 2876e689cf4aSJeff Kirsher static void tcam_enable(struct niu *np, int on) 2877e689cf4aSJeff Kirsher { 2878e689cf4aSJeff Kirsher u64 val = nr64(FFLP_CFG_1); 2879e689cf4aSJeff Kirsher 2880e689cf4aSJeff Kirsher if (on) 2881e689cf4aSJeff Kirsher val &= ~FFLP_CFG_1_TCAM_DIS; 2882e689cf4aSJeff Kirsher else 2883e689cf4aSJeff Kirsher val |= FFLP_CFG_1_TCAM_DIS; 2884e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 2885e689cf4aSJeff Kirsher } 2886e689cf4aSJeff Kirsher 2887e689cf4aSJeff Kirsher static void tcam_set_lat_and_ratio(struct niu *np, u64 latency, u64 ratio) 2888e689cf4aSJeff Kirsher { 2889e689cf4aSJeff Kirsher u64 val = nr64(FFLP_CFG_1); 2890e689cf4aSJeff Kirsher 2891e689cf4aSJeff Kirsher val &= ~(FFLP_CFG_1_FFLPINITDONE | 2892e689cf4aSJeff Kirsher FFLP_CFG_1_CAMLAT | 2893e689cf4aSJeff Kirsher FFLP_CFG_1_CAMRATIO); 2894e689cf4aSJeff Kirsher val |= (latency << FFLP_CFG_1_CAMLAT_SHIFT); 2895e689cf4aSJeff Kirsher val |= (ratio << FFLP_CFG_1_CAMRATIO_SHIFT); 2896e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 2897e689cf4aSJeff Kirsher 2898e689cf4aSJeff Kirsher val = nr64(FFLP_CFG_1); 2899e689cf4aSJeff Kirsher val |= FFLP_CFG_1_FFLPINITDONE; 2900e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 2901e689cf4aSJeff Kirsher } 2902e689cf4aSJeff Kirsher 2903e689cf4aSJeff Kirsher static int tcam_user_eth_class_enable(struct niu *np, unsigned long class, 2904e689cf4aSJeff Kirsher int on) 2905e689cf4aSJeff Kirsher { 2906e689cf4aSJeff Kirsher unsigned long reg; 2907e689cf4aSJeff Kirsher u64 val; 2908e689cf4aSJeff Kirsher 2909e689cf4aSJeff Kirsher if (class < CLASS_CODE_ETHERTYPE1 || 2910e689cf4aSJeff Kirsher class > CLASS_CODE_ETHERTYPE2) 2911e689cf4aSJeff Kirsher return -EINVAL; 2912e689cf4aSJeff Kirsher 2913e689cf4aSJeff Kirsher reg = L2_CLS(class - CLASS_CODE_ETHERTYPE1); 2914e689cf4aSJeff Kirsher val = nr64(reg); 2915e689cf4aSJeff Kirsher if (on) 2916e689cf4aSJeff Kirsher val |= L2_CLS_VLD; 2917e689cf4aSJeff Kirsher else 2918e689cf4aSJeff Kirsher val &= ~L2_CLS_VLD; 2919e689cf4aSJeff Kirsher nw64(reg, val); 2920e689cf4aSJeff Kirsher 2921e689cf4aSJeff Kirsher return 0; 2922e689cf4aSJeff Kirsher } 2923e689cf4aSJeff Kirsher 2924e689cf4aSJeff Kirsher #if 0 2925e689cf4aSJeff Kirsher static int tcam_user_eth_class_set(struct niu *np, unsigned long class, 2926e689cf4aSJeff Kirsher u64 ether_type) 2927e689cf4aSJeff Kirsher { 2928e689cf4aSJeff Kirsher unsigned long reg; 2929e689cf4aSJeff Kirsher u64 val; 2930e689cf4aSJeff Kirsher 2931e689cf4aSJeff Kirsher if (class < CLASS_CODE_ETHERTYPE1 || 2932e689cf4aSJeff Kirsher class > CLASS_CODE_ETHERTYPE2 || 2933e689cf4aSJeff Kirsher (ether_type & ~(u64)0xffff) != 0) 2934e689cf4aSJeff Kirsher return -EINVAL; 2935e689cf4aSJeff Kirsher 2936e689cf4aSJeff Kirsher reg = L2_CLS(class - CLASS_CODE_ETHERTYPE1); 2937e689cf4aSJeff Kirsher val = nr64(reg); 2938e689cf4aSJeff Kirsher val &= ~L2_CLS_ETYPE; 2939e689cf4aSJeff Kirsher val |= (ether_type << L2_CLS_ETYPE_SHIFT); 2940e689cf4aSJeff Kirsher nw64(reg, val); 2941e689cf4aSJeff Kirsher 2942e689cf4aSJeff Kirsher return 0; 2943e689cf4aSJeff Kirsher } 2944e689cf4aSJeff Kirsher #endif 2945e689cf4aSJeff Kirsher 2946e689cf4aSJeff Kirsher static int tcam_user_ip_class_enable(struct niu *np, unsigned long class, 2947e689cf4aSJeff Kirsher int on) 2948e689cf4aSJeff Kirsher { 2949e689cf4aSJeff Kirsher unsigned long reg; 2950e689cf4aSJeff Kirsher u64 val; 2951e689cf4aSJeff Kirsher 2952e689cf4aSJeff Kirsher if (class < CLASS_CODE_USER_PROG1 || 2953e689cf4aSJeff Kirsher class > CLASS_CODE_USER_PROG4) 2954e689cf4aSJeff Kirsher return -EINVAL; 2955e689cf4aSJeff Kirsher 2956e689cf4aSJeff Kirsher reg = L3_CLS(class - CLASS_CODE_USER_PROG1); 2957e689cf4aSJeff Kirsher val = nr64(reg); 2958e689cf4aSJeff Kirsher if (on) 2959e689cf4aSJeff Kirsher val |= L3_CLS_VALID; 2960e689cf4aSJeff Kirsher else 2961e689cf4aSJeff Kirsher val &= ~L3_CLS_VALID; 2962e689cf4aSJeff Kirsher nw64(reg, val); 2963e689cf4aSJeff Kirsher 2964e689cf4aSJeff Kirsher return 0; 2965e689cf4aSJeff Kirsher } 2966e689cf4aSJeff Kirsher 2967e689cf4aSJeff Kirsher static int tcam_user_ip_class_set(struct niu *np, unsigned long class, 2968e689cf4aSJeff Kirsher int ipv6, u64 protocol_id, 2969e689cf4aSJeff Kirsher u64 tos_mask, u64 tos_val) 2970e689cf4aSJeff Kirsher { 2971e689cf4aSJeff Kirsher unsigned long reg; 2972e689cf4aSJeff Kirsher u64 val; 2973e689cf4aSJeff Kirsher 2974e689cf4aSJeff Kirsher if (class < CLASS_CODE_USER_PROG1 || 2975e689cf4aSJeff Kirsher class > CLASS_CODE_USER_PROG4 || 2976e689cf4aSJeff Kirsher (protocol_id & ~(u64)0xff) != 0 || 2977e689cf4aSJeff Kirsher (tos_mask & ~(u64)0xff) != 0 || 2978e689cf4aSJeff Kirsher (tos_val & ~(u64)0xff) != 0) 2979e689cf4aSJeff Kirsher return -EINVAL; 2980e689cf4aSJeff Kirsher 2981e689cf4aSJeff Kirsher reg = L3_CLS(class - CLASS_CODE_USER_PROG1); 2982e689cf4aSJeff Kirsher val = nr64(reg); 2983e689cf4aSJeff Kirsher val &= ~(L3_CLS_IPVER | L3_CLS_PID | 2984e689cf4aSJeff Kirsher L3_CLS_TOSMASK | L3_CLS_TOS); 2985e689cf4aSJeff Kirsher if (ipv6) 2986e689cf4aSJeff Kirsher val |= L3_CLS_IPVER; 2987e689cf4aSJeff Kirsher val |= (protocol_id << L3_CLS_PID_SHIFT); 2988e689cf4aSJeff Kirsher val |= (tos_mask << L3_CLS_TOSMASK_SHIFT); 2989e689cf4aSJeff Kirsher val |= (tos_val << L3_CLS_TOS_SHIFT); 2990e689cf4aSJeff Kirsher nw64(reg, val); 2991e689cf4aSJeff Kirsher 2992e689cf4aSJeff Kirsher return 0; 2993e689cf4aSJeff Kirsher } 2994e689cf4aSJeff Kirsher 2995e689cf4aSJeff Kirsher static int tcam_early_init(struct niu *np) 2996e689cf4aSJeff Kirsher { 2997e689cf4aSJeff Kirsher unsigned long i; 2998e689cf4aSJeff Kirsher int err; 2999e689cf4aSJeff Kirsher 3000e689cf4aSJeff Kirsher tcam_enable(np, 0); 3001e689cf4aSJeff Kirsher tcam_set_lat_and_ratio(np, 3002e689cf4aSJeff Kirsher DEFAULT_TCAM_LATENCY, 3003e689cf4aSJeff Kirsher DEFAULT_TCAM_ACCESS_RATIO); 3004e689cf4aSJeff Kirsher for (i = CLASS_CODE_ETHERTYPE1; i <= CLASS_CODE_ETHERTYPE2; i++) { 3005e689cf4aSJeff Kirsher err = tcam_user_eth_class_enable(np, i, 0); 3006e689cf4aSJeff Kirsher if (err) 3007e689cf4aSJeff Kirsher return err; 3008e689cf4aSJeff Kirsher } 3009e689cf4aSJeff Kirsher for (i = CLASS_CODE_USER_PROG1; i <= CLASS_CODE_USER_PROG4; i++) { 3010e689cf4aSJeff Kirsher err = tcam_user_ip_class_enable(np, i, 0); 3011e689cf4aSJeff Kirsher if (err) 3012e689cf4aSJeff Kirsher return err; 3013e689cf4aSJeff Kirsher } 3014e689cf4aSJeff Kirsher 3015e689cf4aSJeff Kirsher return 0; 3016e689cf4aSJeff Kirsher } 3017e689cf4aSJeff Kirsher 3018e689cf4aSJeff Kirsher static int tcam_flush_all(struct niu *np) 3019e689cf4aSJeff Kirsher { 3020e689cf4aSJeff Kirsher unsigned long i; 3021e689cf4aSJeff Kirsher 3022e689cf4aSJeff Kirsher for (i = 0; i < np->parent->tcam_num_entries; i++) { 3023e689cf4aSJeff Kirsher int err = tcam_flush(np, i); 3024e689cf4aSJeff Kirsher if (err) 3025e689cf4aSJeff Kirsher return err; 3026e689cf4aSJeff Kirsher } 3027e689cf4aSJeff Kirsher return 0; 3028e689cf4aSJeff Kirsher } 3029e689cf4aSJeff Kirsher 3030e689cf4aSJeff Kirsher static u64 hash_addr_regval(unsigned long index, unsigned long num_entries) 3031e689cf4aSJeff Kirsher { 3032e689cf4aSJeff Kirsher return (u64)index | (num_entries == 1 ? HASH_TBL_ADDR_AUTOINC : 0); 3033e689cf4aSJeff Kirsher } 3034e689cf4aSJeff Kirsher 3035e689cf4aSJeff Kirsher #if 0 3036e689cf4aSJeff Kirsher static int hash_read(struct niu *np, unsigned long partition, 3037e689cf4aSJeff Kirsher unsigned long index, unsigned long num_entries, 3038e689cf4aSJeff Kirsher u64 *data) 3039e689cf4aSJeff Kirsher { 3040e689cf4aSJeff Kirsher u64 val = hash_addr_regval(index, num_entries); 3041e689cf4aSJeff Kirsher unsigned long i; 3042e689cf4aSJeff Kirsher 3043e689cf4aSJeff Kirsher if (partition >= FCRAM_NUM_PARTITIONS || 3044e689cf4aSJeff Kirsher index + num_entries > FCRAM_SIZE) 3045e689cf4aSJeff Kirsher return -EINVAL; 3046e689cf4aSJeff Kirsher 3047e689cf4aSJeff Kirsher nw64(HASH_TBL_ADDR(partition), val); 3048e689cf4aSJeff Kirsher for (i = 0; i < num_entries; i++) 3049e689cf4aSJeff Kirsher data[i] = nr64(HASH_TBL_DATA(partition)); 3050e689cf4aSJeff Kirsher 3051e689cf4aSJeff Kirsher return 0; 3052e689cf4aSJeff Kirsher } 3053e689cf4aSJeff Kirsher #endif 3054e689cf4aSJeff Kirsher 3055e689cf4aSJeff Kirsher static int hash_write(struct niu *np, unsigned long partition, 3056e689cf4aSJeff Kirsher unsigned long index, unsigned long num_entries, 3057e689cf4aSJeff Kirsher u64 *data) 3058e689cf4aSJeff Kirsher { 3059e689cf4aSJeff Kirsher u64 val = hash_addr_regval(index, num_entries); 3060e689cf4aSJeff Kirsher unsigned long i; 3061e689cf4aSJeff Kirsher 3062e689cf4aSJeff Kirsher if (partition >= FCRAM_NUM_PARTITIONS || 3063e689cf4aSJeff Kirsher index + (num_entries * 8) > FCRAM_SIZE) 3064e689cf4aSJeff Kirsher return -EINVAL; 3065e689cf4aSJeff Kirsher 3066e689cf4aSJeff Kirsher nw64(HASH_TBL_ADDR(partition), val); 3067e689cf4aSJeff Kirsher for (i = 0; i < num_entries; i++) 3068e689cf4aSJeff Kirsher nw64(HASH_TBL_DATA(partition), data[i]); 3069e689cf4aSJeff Kirsher 3070e689cf4aSJeff Kirsher return 0; 3071e689cf4aSJeff Kirsher } 3072e689cf4aSJeff Kirsher 3073e689cf4aSJeff Kirsher static void fflp_reset(struct niu *np) 3074e689cf4aSJeff Kirsher { 3075e689cf4aSJeff Kirsher u64 val; 3076e689cf4aSJeff Kirsher 3077e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, FFLP_CFG_1_PIO_FIO_RST); 3078e689cf4aSJeff Kirsher udelay(10); 3079e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, 0); 3080e689cf4aSJeff Kirsher 3081e689cf4aSJeff Kirsher val = FFLP_CFG_1_FCRAMOUTDR_NORMAL | FFLP_CFG_1_FFLPINITDONE; 3082e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 3083e689cf4aSJeff Kirsher } 3084e689cf4aSJeff Kirsher 3085e689cf4aSJeff Kirsher static void fflp_set_timings(struct niu *np) 3086e689cf4aSJeff Kirsher { 3087e689cf4aSJeff Kirsher u64 val = nr64(FFLP_CFG_1); 3088e689cf4aSJeff Kirsher 3089e689cf4aSJeff Kirsher val &= ~FFLP_CFG_1_FFLPINITDONE; 3090e689cf4aSJeff Kirsher val |= (DEFAULT_FCRAMRATIO << FFLP_CFG_1_FCRAMRATIO_SHIFT); 3091e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 3092e689cf4aSJeff Kirsher 3093e689cf4aSJeff Kirsher val = nr64(FFLP_CFG_1); 3094e689cf4aSJeff Kirsher val |= FFLP_CFG_1_FFLPINITDONE; 3095e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 3096e689cf4aSJeff Kirsher 3097e689cf4aSJeff Kirsher val = nr64(FCRAM_REF_TMR); 3098e689cf4aSJeff Kirsher val &= ~(FCRAM_REF_TMR_MAX | FCRAM_REF_TMR_MIN); 3099e689cf4aSJeff Kirsher val |= (DEFAULT_FCRAM_REFRESH_MAX << FCRAM_REF_TMR_MAX_SHIFT); 3100e689cf4aSJeff Kirsher val |= (DEFAULT_FCRAM_REFRESH_MIN << FCRAM_REF_TMR_MIN_SHIFT); 3101e689cf4aSJeff Kirsher nw64(FCRAM_REF_TMR, val); 3102e689cf4aSJeff Kirsher } 3103e689cf4aSJeff Kirsher 3104e689cf4aSJeff Kirsher static int fflp_set_partition(struct niu *np, u64 partition, 3105e689cf4aSJeff Kirsher u64 mask, u64 base, int enable) 3106e689cf4aSJeff Kirsher { 3107e689cf4aSJeff Kirsher unsigned long reg; 3108e689cf4aSJeff Kirsher u64 val; 3109e689cf4aSJeff Kirsher 3110e689cf4aSJeff Kirsher if (partition >= FCRAM_NUM_PARTITIONS || 3111e689cf4aSJeff Kirsher (mask & ~(u64)0x1f) != 0 || 3112e689cf4aSJeff Kirsher (base & ~(u64)0x1f) != 0) 3113e689cf4aSJeff Kirsher return -EINVAL; 3114e689cf4aSJeff Kirsher 3115e689cf4aSJeff Kirsher reg = FLW_PRT_SEL(partition); 3116e689cf4aSJeff Kirsher 3117e689cf4aSJeff Kirsher val = nr64(reg); 3118e689cf4aSJeff Kirsher val &= ~(FLW_PRT_SEL_EXT | FLW_PRT_SEL_MASK | FLW_PRT_SEL_BASE); 3119e689cf4aSJeff Kirsher val |= (mask << FLW_PRT_SEL_MASK_SHIFT); 3120e689cf4aSJeff Kirsher val |= (base << FLW_PRT_SEL_BASE_SHIFT); 3121e689cf4aSJeff Kirsher if (enable) 3122e689cf4aSJeff Kirsher val |= FLW_PRT_SEL_EXT; 3123e689cf4aSJeff Kirsher nw64(reg, val); 3124e689cf4aSJeff Kirsher 3125e689cf4aSJeff Kirsher return 0; 3126e689cf4aSJeff Kirsher } 3127e689cf4aSJeff Kirsher 3128e689cf4aSJeff Kirsher static int fflp_disable_all_partitions(struct niu *np) 3129e689cf4aSJeff Kirsher { 3130e689cf4aSJeff Kirsher unsigned long i; 3131e689cf4aSJeff Kirsher 3132e689cf4aSJeff Kirsher for (i = 0; i < FCRAM_NUM_PARTITIONS; i++) { 3133e689cf4aSJeff Kirsher int err = fflp_set_partition(np, 0, 0, 0, 0); 3134e689cf4aSJeff Kirsher if (err) 3135e689cf4aSJeff Kirsher return err; 3136e689cf4aSJeff Kirsher } 3137e689cf4aSJeff Kirsher return 0; 3138e689cf4aSJeff Kirsher } 3139e689cf4aSJeff Kirsher 3140e689cf4aSJeff Kirsher static void fflp_llcsnap_enable(struct niu *np, int on) 3141e689cf4aSJeff Kirsher { 3142e689cf4aSJeff Kirsher u64 val = nr64(FFLP_CFG_1); 3143e689cf4aSJeff Kirsher 3144e689cf4aSJeff Kirsher if (on) 3145e689cf4aSJeff Kirsher val |= FFLP_CFG_1_LLCSNAP; 3146e689cf4aSJeff Kirsher else 3147e689cf4aSJeff Kirsher val &= ~FFLP_CFG_1_LLCSNAP; 3148e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 3149e689cf4aSJeff Kirsher } 3150e689cf4aSJeff Kirsher 3151e689cf4aSJeff Kirsher static void fflp_errors_enable(struct niu *np, int on) 3152e689cf4aSJeff Kirsher { 3153e689cf4aSJeff Kirsher u64 val = nr64(FFLP_CFG_1); 3154e689cf4aSJeff Kirsher 3155e689cf4aSJeff Kirsher if (on) 3156e689cf4aSJeff Kirsher val &= ~FFLP_CFG_1_ERRORDIS; 3157e689cf4aSJeff Kirsher else 3158e689cf4aSJeff Kirsher val |= FFLP_CFG_1_ERRORDIS; 3159e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 3160e689cf4aSJeff Kirsher } 3161e689cf4aSJeff Kirsher 3162e689cf4aSJeff Kirsher static int fflp_hash_clear(struct niu *np) 3163e689cf4aSJeff Kirsher { 3164e689cf4aSJeff Kirsher struct fcram_hash_ipv4 ent; 3165e689cf4aSJeff Kirsher unsigned long i; 3166e689cf4aSJeff Kirsher 3167e689cf4aSJeff Kirsher /* IPV4 hash entry with valid bit clear, rest is don't care. */ 3168e689cf4aSJeff Kirsher memset(&ent, 0, sizeof(ent)); 3169e689cf4aSJeff Kirsher ent.header = HASH_HEADER_EXT; 3170e689cf4aSJeff Kirsher 3171e689cf4aSJeff Kirsher for (i = 0; i < FCRAM_SIZE; i += sizeof(ent)) { 3172e689cf4aSJeff Kirsher int err = hash_write(np, 0, i, 1, (u64 *) &ent); 3173e689cf4aSJeff Kirsher if (err) 3174e689cf4aSJeff Kirsher return err; 3175e689cf4aSJeff Kirsher } 3176e689cf4aSJeff Kirsher return 0; 3177e689cf4aSJeff Kirsher } 3178e689cf4aSJeff Kirsher 3179e689cf4aSJeff Kirsher static int fflp_early_init(struct niu *np) 3180e689cf4aSJeff Kirsher { 3181e689cf4aSJeff Kirsher struct niu_parent *parent; 3182e689cf4aSJeff Kirsher unsigned long flags; 3183e689cf4aSJeff Kirsher int err; 3184e689cf4aSJeff Kirsher 3185e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 3186e689cf4aSJeff Kirsher 3187e689cf4aSJeff Kirsher parent = np->parent; 3188e689cf4aSJeff Kirsher err = 0; 3189e689cf4aSJeff Kirsher if (!(parent->flags & PARENT_FLGS_CLS_HWINIT)) { 3190e689cf4aSJeff Kirsher if (np->parent->plat_type != PLAT_TYPE_NIU) { 3191e689cf4aSJeff Kirsher fflp_reset(np); 3192e689cf4aSJeff Kirsher fflp_set_timings(np); 3193e689cf4aSJeff Kirsher err = fflp_disable_all_partitions(np); 3194e689cf4aSJeff Kirsher if (err) { 3195e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 3196e689cf4aSJeff Kirsher "fflp_disable_all_partitions failed, err=%d\n", 3197e689cf4aSJeff Kirsher err); 3198e689cf4aSJeff Kirsher goto out; 3199e689cf4aSJeff Kirsher } 3200e689cf4aSJeff Kirsher } 3201e689cf4aSJeff Kirsher 3202e689cf4aSJeff Kirsher err = tcam_early_init(np); 3203e689cf4aSJeff Kirsher if (err) { 3204e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 3205e689cf4aSJeff Kirsher "tcam_early_init failed, err=%d\n", err); 3206e689cf4aSJeff Kirsher goto out; 3207e689cf4aSJeff Kirsher } 3208e689cf4aSJeff Kirsher fflp_llcsnap_enable(np, 1); 3209e689cf4aSJeff Kirsher fflp_errors_enable(np, 0); 3210e689cf4aSJeff Kirsher nw64(H1POLY, 0); 3211e689cf4aSJeff Kirsher nw64(H2POLY, 0); 3212e689cf4aSJeff Kirsher 3213e689cf4aSJeff Kirsher err = tcam_flush_all(np); 3214e689cf4aSJeff Kirsher if (err) { 3215e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 3216e689cf4aSJeff Kirsher "tcam_flush_all failed, err=%d\n", err); 3217e689cf4aSJeff Kirsher goto out; 3218e689cf4aSJeff Kirsher } 3219e689cf4aSJeff Kirsher if (np->parent->plat_type != PLAT_TYPE_NIU) { 3220e689cf4aSJeff Kirsher err = fflp_hash_clear(np); 3221e689cf4aSJeff Kirsher if (err) { 3222e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 3223e689cf4aSJeff Kirsher "fflp_hash_clear failed, err=%d\n", 3224e689cf4aSJeff Kirsher err); 3225e689cf4aSJeff Kirsher goto out; 3226e689cf4aSJeff Kirsher } 3227e689cf4aSJeff Kirsher } 3228e689cf4aSJeff Kirsher 3229e689cf4aSJeff Kirsher vlan_tbl_clear(np); 3230e689cf4aSJeff Kirsher 3231e689cf4aSJeff Kirsher parent->flags |= PARENT_FLGS_CLS_HWINIT; 3232e689cf4aSJeff Kirsher } 3233e689cf4aSJeff Kirsher out: 3234e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 3235e689cf4aSJeff Kirsher return err; 3236e689cf4aSJeff Kirsher } 3237e689cf4aSJeff Kirsher 3238e689cf4aSJeff Kirsher static int niu_set_flow_key(struct niu *np, unsigned long class_code, u64 key) 3239e689cf4aSJeff Kirsher { 3240e689cf4aSJeff Kirsher if (class_code < CLASS_CODE_USER_PROG1 || 3241e689cf4aSJeff Kirsher class_code > CLASS_CODE_SCTP_IPV6) 3242e689cf4aSJeff Kirsher return -EINVAL; 3243e689cf4aSJeff Kirsher 3244e689cf4aSJeff Kirsher nw64(FLOW_KEY(class_code - CLASS_CODE_USER_PROG1), key); 3245e689cf4aSJeff Kirsher return 0; 3246e689cf4aSJeff Kirsher } 3247e689cf4aSJeff Kirsher 3248e689cf4aSJeff Kirsher static int niu_set_tcam_key(struct niu *np, unsigned long class_code, u64 key) 3249e689cf4aSJeff Kirsher { 3250e689cf4aSJeff Kirsher if (class_code < CLASS_CODE_USER_PROG1 || 3251e689cf4aSJeff Kirsher class_code > CLASS_CODE_SCTP_IPV6) 3252e689cf4aSJeff Kirsher return -EINVAL; 3253e689cf4aSJeff Kirsher 3254e689cf4aSJeff Kirsher nw64(TCAM_KEY(class_code - CLASS_CODE_USER_PROG1), key); 3255e689cf4aSJeff Kirsher return 0; 3256e689cf4aSJeff Kirsher } 3257e689cf4aSJeff Kirsher 3258e689cf4aSJeff Kirsher /* Entries for the ports are interleaved in the TCAM */ 3259e689cf4aSJeff Kirsher static u16 tcam_get_index(struct niu *np, u16 idx) 3260e689cf4aSJeff Kirsher { 3261e689cf4aSJeff Kirsher /* One entry reserved for IP fragment rule */ 3262e689cf4aSJeff Kirsher if (idx >= (np->clas.tcam_sz - 1)) 3263e689cf4aSJeff Kirsher idx = 0; 3264e689cf4aSJeff Kirsher return np->clas.tcam_top + ((idx+1) * np->parent->num_ports); 3265e689cf4aSJeff Kirsher } 3266e689cf4aSJeff Kirsher 3267e689cf4aSJeff Kirsher static u16 tcam_get_size(struct niu *np) 3268e689cf4aSJeff Kirsher { 3269e689cf4aSJeff Kirsher /* One entry reserved for IP fragment rule */ 3270e689cf4aSJeff Kirsher return np->clas.tcam_sz - 1; 3271e689cf4aSJeff Kirsher } 3272e689cf4aSJeff Kirsher 3273e689cf4aSJeff Kirsher static u16 tcam_get_valid_entry_cnt(struct niu *np) 3274e689cf4aSJeff Kirsher { 3275e689cf4aSJeff Kirsher /* One entry reserved for IP fragment rule */ 3276e689cf4aSJeff Kirsher return np->clas.tcam_valid_entries - 1; 3277e689cf4aSJeff Kirsher } 3278e689cf4aSJeff Kirsher 3279e689cf4aSJeff Kirsher static void niu_rx_skb_append(struct sk_buff *skb, struct page *page, 3280e7e5a403SEric Dumazet u32 offset, u32 size, u32 truesize) 3281e689cf4aSJeff Kirsher { 3282e7e5a403SEric Dumazet skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags, page, offset, size); 3283e689cf4aSJeff Kirsher 3284e689cf4aSJeff Kirsher skb->len += size; 3285e689cf4aSJeff Kirsher skb->data_len += size; 3286e7e5a403SEric Dumazet skb->truesize += truesize; 3287e689cf4aSJeff Kirsher } 3288e689cf4aSJeff Kirsher 3289e689cf4aSJeff Kirsher static unsigned int niu_hash_rxaddr(struct rx_ring_info *rp, u64 a) 3290e689cf4aSJeff Kirsher { 3291e689cf4aSJeff Kirsher a >>= PAGE_SHIFT; 3292e689cf4aSJeff Kirsher a ^= (a >> ilog2(MAX_RBR_RING_SIZE)); 3293e689cf4aSJeff Kirsher 3294e689cf4aSJeff Kirsher return a & (MAX_RBR_RING_SIZE - 1); 3295e689cf4aSJeff Kirsher } 3296e689cf4aSJeff Kirsher 3297e689cf4aSJeff Kirsher static struct page *niu_find_rxpage(struct rx_ring_info *rp, u64 addr, 3298e689cf4aSJeff Kirsher struct page ***link) 3299e689cf4aSJeff Kirsher { 3300e689cf4aSJeff Kirsher unsigned int h = niu_hash_rxaddr(rp, addr); 3301e689cf4aSJeff Kirsher struct page *p, **pp; 3302e689cf4aSJeff Kirsher 3303e689cf4aSJeff Kirsher addr &= PAGE_MASK; 3304e689cf4aSJeff Kirsher pp = &rp->rxhash[h]; 33052dcfe9e2SKees Cook for (; (p = *pp) != NULL; pp = &niu_next_page(p)) { 3306e689cf4aSJeff Kirsher if (p->index == addr) { 3307e689cf4aSJeff Kirsher *link = pp; 3308e689cf4aSJeff Kirsher goto found; 3309e689cf4aSJeff Kirsher } 3310e689cf4aSJeff Kirsher } 3311e689cf4aSJeff Kirsher BUG(); 3312e689cf4aSJeff Kirsher 3313e689cf4aSJeff Kirsher found: 3314e689cf4aSJeff Kirsher return p; 3315e689cf4aSJeff Kirsher } 3316e689cf4aSJeff Kirsher 3317e689cf4aSJeff Kirsher static void niu_hash_page(struct rx_ring_info *rp, struct page *page, u64 base) 3318e689cf4aSJeff Kirsher { 3319e689cf4aSJeff Kirsher unsigned int h = niu_hash_rxaddr(rp, base); 3320e689cf4aSJeff Kirsher 3321e689cf4aSJeff Kirsher page->index = base; 33222dcfe9e2SKees Cook niu_next_page(page) = rp->rxhash[h]; 3323e689cf4aSJeff Kirsher rp->rxhash[h] = page; 3324e689cf4aSJeff Kirsher } 3325e689cf4aSJeff Kirsher 3326e689cf4aSJeff Kirsher static int niu_rbr_add_page(struct niu *np, struct rx_ring_info *rp, 3327e689cf4aSJeff Kirsher gfp_t mask, int start_index) 3328e689cf4aSJeff Kirsher { 3329e689cf4aSJeff Kirsher struct page *page; 3330e689cf4aSJeff Kirsher u64 addr; 3331e689cf4aSJeff Kirsher int i; 3332e689cf4aSJeff Kirsher 3333e689cf4aSJeff Kirsher page = alloc_page(mask); 3334e689cf4aSJeff Kirsher if (!page) 3335e689cf4aSJeff Kirsher return -ENOMEM; 3336e689cf4aSJeff Kirsher 3337e689cf4aSJeff Kirsher addr = np->ops->map_page(np->device, page, 0, 3338e689cf4aSJeff Kirsher PAGE_SIZE, DMA_FROM_DEVICE); 3339ec2deec1SShuah Khan if (!addr) { 3340ec2deec1SShuah Khan __free_page(page); 3341ec2deec1SShuah Khan return -ENOMEM; 3342ec2deec1SShuah Khan } 3343e689cf4aSJeff Kirsher 3344e689cf4aSJeff Kirsher niu_hash_page(rp, page, addr); 3345e689cf4aSJeff Kirsher if (rp->rbr_blocks_per_page > 1) 3346fe896d18SJoonsoo Kim page_ref_add(page, rp->rbr_blocks_per_page - 1); 3347e689cf4aSJeff Kirsher 3348e689cf4aSJeff Kirsher for (i = 0; i < rp->rbr_blocks_per_page; i++) { 3349e689cf4aSJeff Kirsher __le32 *rbr = &rp->rbr[start_index + i]; 3350e689cf4aSJeff Kirsher 3351e689cf4aSJeff Kirsher *rbr = cpu_to_le32(addr >> RBR_DESCR_ADDR_SHIFT); 3352e689cf4aSJeff Kirsher addr += rp->rbr_block_size; 3353e689cf4aSJeff Kirsher } 3354e689cf4aSJeff Kirsher 3355e689cf4aSJeff Kirsher return 0; 3356e689cf4aSJeff Kirsher } 3357e689cf4aSJeff Kirsher 3358e689cf4aSJeff Kirsher static void niu_rbr_refill(struct niu *np, struct rx_ring_info *rp, gfp_t mask) 3359e689cf4aSJeff Kirsher { 3360e689cf4aSJeff Kirsher int index = rp->rbr_index; 3361e689cf4aSJeff Kirsher 3362e689cf4aSJeff Kirsher rp->rbr_pending++; 3363e689cf4aSJeff Kirsher if ((rp->rbr_pending % rp->rbr_blocks_per_page) == 0) { 3364e689cf4aSJeff Kirsher int err = niu_rbr_add_page(np, rp, mask, index); 3365e689cf4aSJeff Kirsher 3366e689cf4aSJeff Kirsher if (unlikely(err)) { 3367e689cf4aSJeff Kirsher rp->rbr_pending--; 3368e689cf4aSJeff Kirsher return; 3369e689cf4aSJeff Kirsher } 3370e689cf4aSJeff Kirsher 3371e689cf4aSJeff Kirsher rp->rbr_index += rp->rbr_blocks_per_page; 3372e689cf4aSJeff Kirsher BUG_ON(rp->rbr_index > rp->rbr_table_size); 3373e689cf4aSJeff Kirsher if (rp->rbr_index == rp->rbr_table_size) 3374e689cf4aSJeff Kirsher rp->rbr_index = 0; 3375e689cf4aSJeff Kirsher 3376e689cf4aSJeff Kirsher if (rp->rbr_pending >= rp->rbr_kick_thresh) { 3377e689cf4aSJeff Kirsher nw64(RBR_KICK(rp->rx_channel), rp->rbr_pending); 3378e689cf4aSJeff Kirsher rp->rbr_pending = 0; 3379e689cf4aSJeff Kirsher } 3380e689cf4aSJeff Kirsher } 3381e689cf4aSJeff Kirsher } 3382e689cf4aSJeff Kirsher 3383e689cf4aSJeff Kirsher static int niu_rx_pkt_ignore(struct niu *np, struct rx_ring_info *rp) 3384e689cf4aSJeff Kirsher { 3385e689cf4aSJeff Kirsher unsigned int index = rp->rcr_index; 3386e689cf4aSJeff Kirsher int num_rcr = 0; 3387e689cf4aSJeff Kirsher 3388e689cf4aSJeff Kirsher rp->rx_dropped++; 3389e689cf4aSJeff Kirsher while (1) { 3390e689cf4aSJeff Kirsher struct page *page, **link; 3391e689cf4aSJeff Kirsher u64 addr, val; 3392e689cf4aSJeff Kirsher u32 rcr_size; 3393e689cf4aSJeff Kirsher 3394e689cf4aSJeff Kirsher num_rcr++; 3395e689cf4aSJeff Kirsher 3396e689cf4aSJeff Kirsher val = le64_to_cpup(&rp->rcr[index]); 3397e689cf4aSJeff Kirsher addr = (val & RCR_ENTRY_PKT_BUF_ADDR) << 3398e689cf4aSJeff Kirsher RCR_ENTRY_PKT_BUF_ADDR_SHIFT; 3399e689cf4aSJeff Kirsher page = niu_find_rxpage(rp, addr, &link); 3400e689cf4aSJeff Kirsher 3401e689cf4aSJeff Kirsher rcr_size = rp->rbr_sizes[(val & RCR_ENTRY_PKTBUFSZ) >> 3402e689cf4aSJeff Kirsher RCR_ENTRY_PKTBUFSZ_SHIFT]; 3403e689cf4aSJeff Kirsher if ((page->index + PAGE_SIZE) - rcr_size == addr) { 34042dcfe9e2SKees Cook *link = niu_next_page(page); 3405e689cf4aSJeff Kirsher np->ops->unmap_page(np->device, page->index, 3406e689cf4aSJeff Kirsher PAGE_SIZE, DMA_FROM_DEVICE); 3407e689cf4aSJeff Kirsher page->index = 0; 34082dcfe9e2SKees Cook niu_next_page(page) = NULL; 3409e689cf4aSJeff Kirsher __free_page(page); 3410e689cf4aSJeff Kirsher rp->rbr_refill_pending++; 3411e689cf4aSJeff Kirsher } 3412e689cf4aSJeff Kirsher 3413e689cf4aSJeff Kirsher index = NEXT_RCR(rp, index); 3414e689cf4aSJeff Kirsher if (!(val & RCR_ENTRY_MULTI)) 3415e689cf4aSJeff Kirsher break; 3416e689cf4aSJeff Kirsher 3417e689cf4aSJeff Kirsher } 3418e689cf4aSJeff Kirsher rp->rcr_index = index; 3419e689cf4aSJeff Kirsher 3420e689cf4aSJeff Kirsher return num_rcr; 3421e689cf4aSJeff Kirsher } 3422e689cf4aSJeff Kirsher 3423e689cf4aSJeff Kirsher static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np, 3424e689cf4aSJeff Kirsher struct rx_ring_info *rp) 3425e689cf4aSJeff Kirsher { 3426e689cf4aSJeff Kirsher unsigned int index = rp->rcr_index; 3427e689cf4aSJeff Kirsher struct rx_pkt_hdr1 *rh; 3428e689cf4aSJeff Kirsher struct sk_buff *skb; 3429e689cf4aSJeff Kirsher int len, num_rcr; 3430e689cf4aSJeff Kirsher 3431e689cf4aSJeff Kirsher skb = netdev_alloc_skb(np->dev, RX_SKB_ALLOC_SIZE); 3432e689cf4aSJeff Kirsher if (unlikely(!skb)) 3433e689cf4aSJeff Kirsher return niu_rx_pkt_ignore(np, rp); 3434e689cf4aSJeff Kirsher 3435e689cf4aSJeff Kirsher num_rcr = 0; 3436e689cf4aSJeff Kirsher while (1) { 3437e689cf4aSJeff Kirsher struct page *page, **link; 3438e689cf4aSJeff Kirsher u32 rcr_size, append_size; 3439e689cf4aSJeff Kirsher u64 addr, val, off; 3440e689cf4aSJeff Kirsher 3441e689cf4aSJeff Kirsher num_rcr++; 3442e689cf4aSJeff Kirsher 3443e689cf4aSJeff Kirsher val = le64_to_cpup(&rp->rcr[index]); 3444e689cf4aSJeff Kirsher 3445e689cf4aSJeff Kirsher len = (val & RCR_ENTRY_L2_LEN) >> 3446e689cf4aSJeff Kirsher RCR_ENTRY_L2_LEN_SHIFT; 344714224923SRob Taglang append_size = len + ETH_HLEN + ETH_FCS_LEN; 3448e689cf4aSJeff Kirsher 3449e689cf4aSJeff Kirsher addr = (val & RCR_ENTRY_PKT_BUF_ADDR) << 3450e689cf4aSJeff Kirsher RCR_ENTRY_PKT_BUF_ADDR_SHIFT; 3451e689cf4aSJeff Kirsher page = niu_find_rxpage(rp, addr, &link); 3452e689cf4aSJeff Kirsher 3453e689cf4aSJeff Kirsher rcr_size = rp->rbr_sizes[(val & RCR_ENTRY_PKTBUFSZ) >> 3454e689cf4aSJeff Kirsher RCR_ENTRY_PKTBUFSZ_SHIFT]; 3455e689cf4aSJeff Kirsher 3456e689cf4aSJeff Kirsher off = addr & ~PAGE_MASK; 3457e689cf4aSJeff Kirsher if (num_rcr == 1) { 3458e689cf4aSJeff Kirsher int ptype; 3459e689cf4aSJeff Kirsher 3460e689cf4aSJeff Kirsher ptype = (val >> RCR_ENTRY_PKT_TYPE_SHIFT); 3461e689cf4aSJeff Kirsher if ((ptype == RCR_PKT_TYPE_TCP || 3462e689cf4aSJeff Kirsher ptype == RCR_PKT_TYPE_UDP) && 3463e689cf4aSJeff Kirsher !(val & (RCR_ENTRY_NOPORT | 3464e689cf4aSJeff Kirsher RCR_ENTRY_ERROR))) 3465e689cf4aSJeff Kirsher skb->ip_summed = CHECKSUM_UNNECESSARY; 3466e689cf4aSJeff Kirsher else 3467e689cf4aSJeff Kirsher skb_checksum_none_assert(skb); 3468e689cf4aSJeff Kirsher } else if (!(val & RCR_ENTRY_MULTI)) 346914224923SRob Taglang append_size = append_size - skb->len; 3470e689cf4aSJeff Kirsher 3471e7e5a403SEric Dumazet niu_rx_skb_append(skb, page, off, append_size, rcr_size); 3472e689cf4aSJeff Kirsher if ((page->index + rp->rbr_block_size) - rcr_size == addr) { 34732dcfe9e2SKees Cook *link = niu_next_page(page); 3474e689cf4aSJeff Kirsher np->ops->unmap_page(np->device, page->index, 3475e689cf4aSJeff Kirsher PAGE_SIZE, DMA_FROM_DEVICE); 3476e689cf4aSJeff Kirsher page->index = 0; 34772dcfe9e2SKees Cook niu_next_page(page) = NULL; 3478e689cf4aSJeff Kirsher rp->rbr_refill_pending++; 3479e689cf4aSJeff Kirsher } else 3480e689cf4aSJeff Kirsher get_page(page); 3481e689cf4aSJeff Kirsher 3482e689cf4aSJeff Kirsher index = NEXT_RCR(rp, index); 3483e689cf4aSJeff Kirsher if (!(val & RCR_ENTRY_MULTI)) 3484e689cf4aSJeff Kirsher break; 3485e689cf4aSJeff Kirsher 3486e689cf4aSJeff Kirsher } 3487e689cf4aSJeff Kirsher rp->rcr_index = index; 3488e689cf4aSJeff Kirsher 3489e689cf4aSJeff Kirsher len += sizeof(*rh); 3490e689cf4aSJeff Kirsher len = min_t(int, len, sizeof(*rh) + VLAN_ETH_HLEN); 3491e689cf4aSJeff Kirsher __pskb_pull_tail(skb, len); 3492e689cf4aSJeff Kirsher 3493e689cf4aSJeff Kirsher rh = (struct rx_pkt_hdr1 *) skb->data; 3494e689cf4aSJeff Kirsher if (np->dev->features & NETIF_F_RXHASH) 34953b21567fSTom Herbert skb_set_hash(skb, 34963b21567fSTom Herbert ((u32)rh->hashval2_0 << 24 | 3497e689cf4aSJeff Kirsher (u32)rh->hashval2_1 << 16 | 3498e689cf4aSJeff Kirsher (u32)rh->hashval1_1 << 8 | 34993b21567fSTom Herbert (u32)rh->hashval1_2 << 0), 35003b21567fSTom Herbert PKT_HASH_TYPE_L3); 3501e689cf4aSJeff Kirsher skb_pull(skb, sizeof(*rh)); 3502e689cf4aSJeff Kirsher 3503e689cf4aSJeff Kirsher rp->rx_packets++; 3504e689cf4aSJeff Kirsher rp->rx_bytes += skb->len; 3505e689cf4aSJeff Kirsher 3506e689cf4aSJeff Kirsher skb->protocol = eth_type_trans(skb, np->dev); 3507e689cf4aSJeff Kirsher skb_record_rx_queue(skb, rp->rx_channel); 3508e689cf4aSJeff Kirsher napi_gro_receive(napi, skb); 3509e689cf4aSJeff Kirsher 3510e689cf4aSJeff Kirsher return num_rcr; 3511e689cf4aSJeff Kirsher } 3512e689cf4aSJeff Kirsher 3513e689cf4aSJeff Kirsher static int niu_rbr_fill(struct niu *np, struct rx_ring_info *rp, gfp_t mask) 3514e689cf4aSJeff Kirsher { 3515e689cf4aSJeff Kirsher int blocks_per_page = rp->rbr_blocks_per_page; 3516e689cf4aSJeff Kirsher int err, index = rp->rbr_index; 3517e689cf4aSJeff Kirsher 3518e689cf4aSJeff Kirsher err = 0; 3519e689cf4aSJeff Kirsher while (index < (rp->rbr_table_size - blocks_per_page)) { 3520e689cf4aSJeff Kirsher err = niu_rbr_add_page(np, rp, mask, index); 35219b70749eSShuah Khan if (unlikely(err)) 3522e689cf4aSJeff Kirsher break; 3523e689cf4aSJeff Kirsher 3524e689cf4aSJeff Kirsher index += blocks_per_page; 3525e689cf4aSJeff Kirsher } 3526e689cf4aSJeff Kirsher 3527e689cf4aSJeff Kirsher rp->rbr_index = index; 3528e689cf4aSJeff Kirsher return err; 3529e689cf4aSJeff Kirsher } 3530e689cf4aSJeff Kirsher 3531e689cf4aSJeff Kirsher static void niu_rbr_free(struct niu *np, struct rx_ring_info *rp) 3532e689cf4aSJeff Kirsher { 3533e689cf4aSJeff Kirsher int i; 3534e689cf4aSJeff Kirsher 3535e689cf4aSJeff Kirsher for (i = 0; i < MAX_RBR_RING_SIZE; i++) { 3536e689cf4aSJeff Kirsher struct page *page; 3537e689cf4aSJeff Kirsher 3538e689cf4aSJeff Kirsher page = rp->rxhash[i]; 3539e689cf4aSJeff Kirsher while (page) { 35402dcfe9e2SKees Cook struct page *next = niu_next_page(page); 3541e689cf4aSJeff Kirsher u64 base = page->index; 3542e689cf4aSJeff Kirsher 3543e689cf4aSJeff Kirsher np->ops->unmap_page(np->device, base, PAGE_SIZE, 3544e689cf4aSJeff Kirsher DMA_FROM_DEVICE); 3545e689cf4aSJeff Kirsher page->index = 0; 35462dcfe9e2SKees Cook niu_next_page(page) = NULL; 3547e689cf4aSJeff Kirsher 3548e689cf4aSJeff Kirsher __free_page(page); 3549e689cf4aSJeff Kirsher 3550e689cf4aSJeff Kirsher page = next; 3551e689cf4aSJeff Kirsher } 3552e689cf4aSJeff Kirsher } 3553e689cf4aSJeff Kirsher 3554e689cf4aSJeff Kirsher for (i = 0; i < rp->rbr_table_size; i++) 3555e689cf4aSJeff Kirsher rp->rbr[i] = cpu_to_le32(0); 3556e689cf4aSJeff Kirsher rp->rbr_index = 0; 3557e689cf4aSJeff Kirsher } 3558e689cf4aSJeff Kirsher 3559e689cf4aSJeff Kirsher static int release_tx_packet(struct niu *np, struct tx_ring_info *rp, int idx) 3560e689cf4aSJeff Kirsher { 3561e689cf4aSJeff Kirsher struct tx_buff_info *tb = &rp->tx_buffs[idx]; 3562e689cf4aSJeff Kirsher struct sk_buff *skb = tb->skb; 3563e689cf4aSJeff Kirsher struct tx_pkt_hdr *tp; 3564e689cf4aSJeff Kirsher u64 tx_flags; 3565e689cf4aSJeff Kirsher int i, len; 3566e689cf4aSJeff Kirsher 3567e689cf4aSJeff Kirsher tp = (struct tx_pkt_hdr *) skb->data; 3568e689cf4aSJeff Kirsher tx_flags = le64_to_cpup(&tp->flags); 3569e689cf4aSJeff Kirsher 3570e689cf4aSJeff Kirsher rp->tx_packets++; 3571e689cf4aSJeff Kirsher rp->tx_bytes += (((tx_flags & TXHDR_LEN) >> TXHDR_LEN_SHIFT) - 3572e689cf4aSJeff Kirsher ((tx_flags & TXHDR_PAD) / 2)); 3573e689cf4aSJeff Kirsher 3574e689cf4aSJeff Kirsher len = skb_headlen(skb); 3575e689cf4aSJeff Kirsher np->ops->unmap_single(np->device, tb->mapping, 3576e689cf4aSJeff Kirsher len, DMA_TO_DEVICE); 3577e689cf4aSJeff Kirsher 3578e689cf4aSJeff Kirsher if (le64_to_cpu(rp->descr[idx]) & TX_DESC_MARK) 3579e689cf4aSJeff Kirsher rp->mark_pending--; 3580e689cf4aSJeff Kirsher 3581e689cf4aSJeff Kirsher tb->skb = NULL; 3582e689cf4aSJeff Kirsher do { 3583e689cf4aSJeff Kirsher idx = NEXT_TX(rp, idx); 3584e689cf4aSJeff Kirsher len -= MAX_TX_DESC_LEN; 3585e689cf4aSJeff Kirsher } while (len > 0); 3586e689cf4aSJeff Kirsher 3587e689cf4aSJeff Kirsher for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { 3588e689cf4aSJeff Kirsher tb = &rp->tx_buffs[idx]; 3589e689cf4aSJeff Kirsher BUG_ON(tb->skb != NULL); 3590e689cf4aSJeff Kirsher np->ops->unmap_page(np->device, tb->mapping, 35919e903e08SEric Dumazet skb_frag_size(&skb_shinfo(skb)->frags[i]), 3592e689cf4aSJeff Kirsher DMA_TO_DEVICE); 3593e689cf4aSJeff Kirsher idx = NEXT_TX(rp, idx); 3594e689cf4aSJeff Kirsher } 3595e689cf4aSJeff Kirsher 3596e689cf4aSJeff Kirsher dev_kfree_skb(skb); 3597e689cf4aSJeff Kirsher 3598e689cf4aSJeff Kirsher return idx; 3599e689cf4aSJeff Kirsher } 3600e689cf4aSJeff Kirsher 3601e689cf4aSJeff Kirsher #define NIU_TX_WAKEUP_THRESH(rp) ((rp)->pending / 4) 3602e689cf4aSJeff Kirsher 3603e689cf4aSJeff Kirsher static void niu_tx_work(struct niu *np, struct tx_ring_info *rp) 3604e689cf4aSJeff Kirsher { 3605e689cf4aSJeff Kirsher struct netdev_queue *txq; 3606e689cf4aSJeff Kirsher u16 pkt_cnt, tmp; 3607e689cf4aSJeff Kirsher int cons, index; 3608e689cf4aSJeff Kirsher u64 cs; 3609e689cf4aSJeff Kirsher 3610e689cf4aSJeff Kirsher index = (rp - np->tx_rings); 3611e689cf4aSJeff Kirsher txq = netdev_get_tx_queue(np->dev, index); 3612e689cf4aSJeff Kirsher 3613e689cf4aSJeff Kirsher cs = rp->tx_cs; 3614e689cf4aSJeff Kirsher if (unlikely(!(cs & (TX_CS_MK | TX_CS_MMK)))) 3615e689cf4aSJeff Kirsher goto out; 3616e689cf4aSJeff Kirsher 3617e689cf4aSJeff Kirsher tmp = pkt_cnt = (cs & TX_CS_PKT_CNT) >> TX_CS_PKT_CNT_SHIFT; 3618e689cf4aSJeff Kirsher pkt_cnt = (pkt_cnt - rp->last_pkt_cnt) & 3619e689cf4aSJeff Kirsher (TX_CS_PKT_CNT >> TX_CS_PKT_CNT_SHIFT); 3620e689cf4aSJeff Kirsher 3621e689cf4aSJeff Kirsher rp->last_pkt_cnt = tmp; 3622e689cf4aSJeff Kirsher 3623e689cf4aSJeff Kirsher cons = rp->cons; 3624e689cf4aSJeff Kirsher 3625e689cf4aSJeff Kirsher netif_printk(np, tx_done, KERN_DEBUG, np->dev, 3626e689cf4aSJeff Kirsher "%s() pkt_cnt[%u] cons[%d]\n", __func__, pkt_cnt, cons); 3627e689cf4aSJeff Kirsher 36286a2b28efSDavid S. Miller while (pkt_cnt--) 3629e689cf4aSJeff Kirsher cons = release_tx_packet(np, rp, cons); 3630e689cf4aSJeff Kirsher 3631e689cf4aSJeff Kirsher rp->cons = cons; 3632e689cf4aSJeff Kirsher smp_mb(); 3633e689cf4aSJeff Kirsher 3634e689cf4aSJeff Kirsher out: 3635e689cf4aSJeff Kirsher if (unlikely(netif_tx_queue_stopped(txq) && 3636e689cf4aSJeff Kirsher (niu_tx_avail(rp) > NIU_TX_WAKEUP_THRESH(rp)))) { 3637e689cf4aSJeff Kirsher __netif_tx_lock(txq, smp_processor_id()); 3638e689cf4aSJeff Kirsher if (netif_tx_queue_stopped(txq) && 3639e689cf4aSJeff Kirsher (niu_tx_avail(rp) > NIU_TX_WAKEUP_THRESH(rp))) 3640e689cf4aSJeff Kirsher netif_tx_wake_queue(txq); 3641e689cf4aSJeff Kirsher __netif_tx_unlock(txq); 3642e689cf4aSJeff Kirsher } 3643e689cf4aSJeff Kirsher } 3644e689cf4aSJeff Kirsher 3645e689cf4aSJeff Kirsher static inline void niu_sync_rx_discard_stats(struct niu *np, 3646e689cf4aSJeff Kirsher struct rx_ring_info *rp, 3647e689cf4aSJeff Kirsher const int limit) 3648e689cf4aSJeff Kirsher { 3649e689cf4aSJeff Kirsher /* This elaborate scheme is needed for reading the RX discard 3650e689cf4aSJeff Kirsher * counters, as they are only 16-bit and can overflow quickly, 3651e689cf4aSJeff Kirsher * and because the overflow indication bit is not usable as 3652e689cf4aSJeff Kirsher * the counter value does not wrap, but remains at max value 3653e689cf4aSJeff Kirsher * 0xFFFF. 3654e689cf4aSJeff Kirsher * 3655e689cf4aSJeff Kirsher * In theory and in practice counters can be lost in between 3656e689cf4aSJeff Kirsher * reading nr64() and clearing the counter nw64(). For this 3657e689cf4aSJeff Kirsher * reason, the number of counter clearings nw64() is 3658e689cf4aSJeff Kirsher * limited/reduced though the limit parameter. 3659e689cf4aSJeff Kirsher */ 3660e689cf4aSJeff Kirsher int rx_channel = rp->rx_channel; 3661e689cf4aSJeff Kirsher u32 misc, wred; 3662e689cf4aSJeff Kirsher 3663e689cf4aSJeff Kirsher /* RXMISC (Receive Miscellaneous Discard Count), covers the 3664e689cf4aSJeff Kirsher * following discard events: IPP (Input Port Process), 3665e689cf4aSJeff Kirsher * FFLP/TCAM, Full RCR (Receive Completion Ring) RBR (Receive 3666e689cf4aSJeff Kirsher * Block Ring) prefetch buffer is empty. 3667e689cf4aSJeff Kirsher */ 3668e689cf4aSJeff Kirsher misc = nr64(RXMISC(rx_channel)); 3669e689cf4aSJeff Kirsher if (unlikely((misc & RXMISC_COUNT) > limit)) { 3670e689cf4aSJeff Kirsher nw64(RXMISC(rx_channel), 0); 3671e689cf4aSJeff Kirsher rp->rx_errors += misc & RXMISC_COUNT; 3672e689cf4aSJeff Kirsher 3673e689cf4aSJeff Kirsher if (unlikely(misc & RXMISC_OFLOW)) 3674e689cf4aSJeff Kirsher dev_err(np->device, "rx-%d: Counter overflow RXMISC discard\n", 3675e689cf4aSJeff Kirsher rx_channel); 3676e689cf4aSJeff Kirsher 3677e689cf4aSJeff Kirsher netif_printk(np, rx_err, KERN_DEBUG, np->dev, 3678e689cf4aSJeff Kirsher "rx-%d: MISC drop=%u over=%u\n", 3679e689cf4aSJeff Kirsher rx_channel, misc, misc-limit); 3680e689cf4aSJeff Kirsher } 3681e689cf4aSJeff Kirsher 3682e689cf4aSJeff Kirsher /* WRED (Weighted Random Early Discard) by hardware */ 3683e689cf4aSJeff Kirsher wred = nr64(RED_DIS_CNT(rx_channel)); 3684e689cf4aSJeff Kirsher if (unlikely((wred & RED_DIS_CNT_COUNT) > limit)) { 3685e689cf4aSJeff Kirsher nw64(RED_DIS_CNT(rx_channel), 0); 3686e689cf4aSJeff Kirsher rp->rx_dropped += wred & RED_DIS_CNT_COUNT; 3687e689cf4aSJeff Kirsher 3688e689cf4aSJeff Kirsher if (unlikely(wred & RED_DIS_CNT_OFLOW)) 3689e689cf4aSJeff Kirsher dev_err(np->device, "rx-%d: Counter overflow WRED discard\n", rx_channel); 3690e689cf4aSJeff Kirsher 3691e689cf4aSJeff Kirsher netif_printk(np, rx_err, KERN_DEBUG, np->dev, 3692e689cf4aSJeff Kirsher "rx-%d: WRED drop=%u over=%u\n", 3693e689cf4aSJeff Kirsher rx_channel, wred, wred-limit); 3694e689cf4aSJeff Kirsher } 3695e689cf4aSJeff Kirsher } 3696e689cf4aSJeff Kirsher 3697e689cf4aSJeff Kirsher static int niu_rx_work(struct napi_struct *napi, struct niu *np, 3698e689cf4aSJeff Kirsher struct rx_ring_info *rp, int budget) 3699e689cf4aSJeff Kirsher { 3700e689cf4aSJeff Kirsher int qlen, rcr_done = 0, work_done = 0; 3701e689cf4aSJeff Kirsher struct rxdma_mailbox *mbox = rp->mbox; 3702e689cf4aSJeff Kirsher u64 stat; 3703e689cf4aSJeff Kirsher 3704e689cf4aSJeff Kirsher #if 1 3705e689cf4aSJeff Kirsher stat = nr64(RX_DMA_CTL_STAT(rp->rx_channel)); 3706e689cf4aSJeff Kirsher qlen = nr64(RCRSTAT_A(rp->rx_channel)) & RCRSTAT_A_QLEN; 3707e689cf4aSJeff Kirsher #else 3708e689cf4aSJeff Kirsher stat = le64_to_cpup(&mbox->rx_dma_ctl_stat); 3709e689cf4aSJeff Kirsher qlen = (le64_to_cpup(&mbox->rcrstat_a) & RCRSTAT_A_QLEN); 3710e689cf4aSJeff Kirsher #endif 3711e689cf4aSJeff Kirsher mbox->rx_dma_ctl_stat = 0; 3712e689cf4aSJeff Kirsher mbox->rcrstat_a = 0; 3713e689cf4aSJeff Kirsher 3714e689cf4aSJeff Kirsher netif_printk(np, rx_status, KERN_DEBUG, np->dev, 3715e689cf4aSJeff Kirsher "%s(chan[%d]), stat[%llx] qlen=%d\n", 3716e689cf4aSJeff Kirsher __func__, rp->rx_channel, (unsigned long long)stat, qlen); 3717e689cf4aSJeff Kirsher 3718e689cf4aSJeff Kirsher rcr_done = work_done = 0; 3719e689cf4aSJeff Kirsher qlen = min(qlen, budget); 3720e689cf4aSJeff Kirsher while (work_done < qlen) { 3721e689cf4aSJeff Kirsher rcr_done += niu_process_rx_pkt(napi, np, rp); 3722e689cf4aSJeff Kirsher work_done++; 3723e689cf4aSJeff Kirsher } 3724e689cf4aSJeff Kirsher 3725e689cf4aSJeff Kirsher if (rp->rbr_refill_pending >= rp->rbr_kick_thresh) { 3726e689cf4aSJeff Kirsher unsigned int i; 3727e689cf4aSJeff Kirsher 3728e689cf4aSJeff Kirsher for (i = 0; i < rp->rbr_refill_pending; i++) 3729e689cf4aSJeff Kirsher niu_rbr_refill(np, rp, GFP_ATOMIC); 3730e689cf4aSJeff Kirsher rp->rbr_refill_pending = 0; 3731e689cf4aSJeff Kirsher } 3732e689cf4aSJeff Kirsher 3733e689cf4aSJeff Kirsher stat = (RX_DMA_CTL_STAT_MEX | 3734e689cf4aSJeff Kirsher ((u64)work_done << RX_DMA_CTL_STAT_PKTREAD_SHIFT) | 3735e689cf4aSJeff Kirsher ((u64)rcr_done << RX_DMA_CTL_STAT_PTRREAD_SHIFT)); 3736e689cf4aSJeff Kirsher 3737e689cf4aSJeff Kirsher nw64(RX_DMA_CTL_STAT(rp->rx_channel), stat); 3738e689cf4aSJeff Kirsher 3739e689cf4aSJeff Kirsher /* Only sync discards stats when qlen indicate potential for drops */ 3740e689cf4aSJeff Kirsher if (qlen > 10) 3741e689cf4aSJeff Kirsher niu_sync_rx_discard_stats(np, rp, 0x7FFF); 3742e689cf4aSJeff Kirsher 3743e689cf4aSJeff Kirsher return work_done; 3744e689cf4aSJeff Kirsher } 3745e689cf4aSJeff Kirsher 3746e689cf4aSJeff Kirsher static int niu_poll_core(struct niu *np, struct niu_ldg *lp, int budget) 3747e689cf4aSJeff Kirsher { 3748e689cf4aSJeff Kirsher u64 v0 = lp->v0; 3749e689cf4aSJeff Kirsher u32 tx_vec = (v0 >> 32); 3750e689cf4aSJeff Kirsher u32 rx_vec = (v0 & 0xffffffff); 3751e689cf4aSJeff Kirsher int i, work_done = 0; 3752e689cf4aSJeff Kirsher 3753e689cf4aSJeff Kirsher netif_printk(np, intr, KERN_DEBUG, np->dev, 3754e689cf4aSJeff Kirsher "%s() v0[%016llx]\n", __func__, (unsigned long long)v0); 3755e689cf4aSJeff Kirsher 3756e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 3757e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 3758e689cf4aSJeff Kirsher if (tx_vec & (1 << rp->tx_channel)) 3759e689cf4aSJeff Kirsher niu_tx_work(np, rp); 3760e689cf4aSJeff Kirsher nw64(LD_IM0(LDN_TXDMA(rp->tx_channel)), 0); 3761e689cf4aSJeff Kirsher } 3762e689cf4aSJeff Kirsher 3763e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 3764e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 3765e689cf4aSJeff Kirsher 3766e689cf4aSJeff Kirsher if (rx_vec & (1 << rp->rx_channel)) { 3767e689cf4aSJeff Kirsher int this_work_done; 3768e689cf4aSJeff Kirsher 3769e689cf4aSJeff Kirsher this_work_done = niu_rx_work(&lp->napi, np, rp, 3770e689cf4aSJeff Kirsher budget); 3771e689cf4aSJeff Kirsher 3772e689cf4aSJeff Kirsher budget -= this_work_done; 3773e689cf4aSJeff Kirsher work_done += this_work_done; 3774e689cf4aSJeff Kirsher } 3775e689cf4aSJeff Kirsher nw64(LD_IM0(LDN_RXDMA(rp->rx_channel)), 0); 3776e689cf4aSJeff Kirsher } 3777e689cf4aSJeff Kirsher 3778e689cf4aSJeff Kirsher return work_done; 3779e689cf4aSJeff Kirsher } 3780e689cf4aSJeff Kirsher 3781e689cf4aSJeff Kirsher static int niu_poll(struct napi_struct *napi, int budget) 3782e689cf4aSJeff Kirsher { 3783e689cf4aSJeff Kirsher struct niu_ldg *lp = container_of(napi, struct niu_ldg, napi); 3784e689cf4aSJeff Kirsher struct niu *np = lp->np; 3785e689cf4aSJeff Kirsher int work_done; 3786e689cf4aSJeff Kirsher 3787e689cf4aSJeff Kirsher work_done = niu_poll_core(np, lp, budget); 3788e689cf4aSJeff Kirsher 3789e689cf4aSJeff Kirsher if (work_done < budget) { 37906ad20165SEric Dumazet napi_complete_done(napi, work_done); 3791e689cf4aSJeff Kirsher niu_ldg_rearm(np, lp, 1); 3792e689cf4aSJeff Kirsher } 3793e689cf4aSJeff Kirsher return work_done; 3794e689cf4aSJeff Kirsher } 3795e689cf4aSJeff Kirsher 3796e689cf4aSJeff Kirsher static void niu_log_rxchan_errors(struct niu *np, struct rx_ring_info *rp, 3797e689cf4aSJeff Kirsher u64 stat) 3798e689cf4aSJeff Kirsher { 3799e689cf4aSJeff Kirsher netdev_err(np->dev, "RX channel %u errors ( ", rp->rx_channel); 3800e689cf4aSJeff Kirsher 3801e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RBR_TMOUT) 3802e689cf4aSJeff Kirsher pr_cont("RBR_TMOUT "); 3803e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RSP_CNT_ERR) 3804e689cf4aSJeff Kirsher pr_cont("RSP_CNT "); 3805e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_BYTE_EN_BUS) 3806e689cf4aSJeff Kirsher pr_cont("BYTE_EN_BUS "); 3807e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RSP_DAT_ERR) 3808e689cf4aSJeff Kirsher pr_cont("RSP_DAT "); 3809e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RCR_ACK_ERR) 3810e689cf4aSJeff Kirsher pr_cont("RCR_ACK "); 3811e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RCR_SHA_PAR) 3812e689cf4aSJeff Kirsher pr_cont("RCR_SHA_PAR "); 3813e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RBR_PRE_PAR) 3814e689cf4aSJeff Kirsher pr_cont("RBR_PRE_PAR "); 3815e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_CONFIG_ERR) 3816e689cf4aSJeff Kirsher pr_cont("CONFIG "); 3817e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RCRINCON) 3818e689cf4aSJeff Kirsher pr_cont("RCRINCON "); 3819e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RCRFULL) 3820e689cf4aSJeff Kirsher pr_cont("RCRFULL "); 3821e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RBRFULL) 3822e689cf4aSJeff Kirsher pr_cont("RBRFULL "); 3823e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RBRLOGPAGE) 3824e689cf4aSJeff Kirsher pr_cont("RBRLOGPAGE "); 3825e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_CFIGLOGPAGE) 3826e689cf4aSJeff Kirsher pr_cont("CFIGLOGPAGE "); 3827e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_DC_FIFO_ERR) 3828e689cf4aSJeff Kirsher pr_cont("DC_FIDO "); 3829e689cf4aSJeff Kirsher 3830e689cf4aSJeff Kirsher pr_cont(")\n"); 3831e689cf4aSJeff Kirsher } 3832e689cf4aSJeff Kirsher 3833e689cf4aSJeff Kirsher static int niu_rx_error(struct niu *np, struct rx_ring_info *rp) 3834e689cf4aSJeff Kirsher { 3835e689cf4aSJeff Kirsher u64 stat = nr64(RX_DMA_CTL_STAT(rp->rx_channel)); 3836e689cf4aSJeff Kirsher int err = 0; 3837e689cf4aSJeff Kirsher 3838e689cf4aSJeff Kirsher 3839e689cf4aSJeff Kirsher if (stat & (RX_DMA_CTL_STAT_CHAN_FATAL | 3840e689cf4aSJeff Kirsher RX_DMA_CTL_STAT_PORT_FATAL)) 3841e689cf4aSJeff Kirsher err = -EINVAL; 3842e689cf4aSJeff Kirsher 3843e689cf4aSJeff Kirsher if (err) { 3844e689cf4aSJeff Kirsher netdev_err(np->dev, "RX channel %u error, stat[%llx]\n", 3845e689cf4aSJeff Kirsher rp->rx_channel, 3846e689cf4aSJeff Kirsher (unsigned long long) stat); 3847e689cf4aSJeff Kirsher 3848e689cf4aSJeff Kirsher niu_log_rxchan_errors(np, rp, stat); 3849e689cf4aSJeff Kirsher } 3850e689cf4aSJeff Kirsher 3851e689cf4aSJeff Kirsher nw64(RX_DMA_CTL_STAT(rp->rx_channel), 3852e689cf4aSJeff Kirsher stat & RX_DMA_CTL_WRITE_CLEAR_ERRS); 3853e689cf4aSJeff Kirsher 3854e689cf4aSJeff Kirsher return err; 3855e689cf4aSJeff Kirsher } 3856e689cf4aSJeff Kirsher 3857e689cf4aSJeff Kirsher static void niu_log_txchan_errors(struct niu *np, struct tx_ring_info *rp, 3858e689cf4aSJeff Kirsher u64 cs) 3859e689cf4aSJeff Kirsher { 3860e689cf4aSJeff Kirsher netdev_err(np->dev, "TX channel %u errors ( ", rp->tx_channel); 3861e689cf4aSJeff Kirsher 3862e689cf4aSJeff Kirsher if (cs & TX_CS_MBOX_ERR) 3863e689cf4aSJeff Kirsher pr_cont("MBOX "); 3864e689cf4aSJeff Kirsher if (cs & TX_CS_PKT_SIZE_ERR) 3865e689cf4aSJeff Kirsher pr_cont("PKT_SIZE "); 3866e689cf4aSJeff Kirsher if (cs & TX_CS_TX_RING_OFLOW) 3867e689cf4aSJeff Kirsher pr_cont("TX_RING_OFLOW "); 3868e689cf4aSJeff Kirsher if (cs & TX_CS_PREF_BUF_PAR_ERR) 3869e689cf4aSJeff Kirsher pr_cont("PREF_BUF_PAR "); 3870e689cf4aSJeff Kirsher if (cs & TX_CS_NACK_PREF) 3871e689cf4aSJeff Kirsher pr_cont("NACK_PREF "); 3872e689cf4aSJeff Kirsher if (cs & TX_CS_NACK_PKT_RD) 3873e689cf4aSJeff Kirsher pr_cont("NACK_PKT_RD "); 3874e689cf4aSJeff Kirsher if (cs & TX_CS_CONF_PART_ERR) 3875e689cf4aSJeff Kirsher pr_cont("CONF_PART "); 3876e689cf4aSJeff Kirsher if (cs & TX_CS_PKT_PRT_ERR) 3877e689cf4aSJeff Kirsher pr_cont("PKT_PTR "); 3878e689cf4aSJeff Kirsher 3879e689cf4aSJeff Kirsher pr_cont(")\n"); 3880e689cf4aSJeff Kirsher } 3881e689cf4aSJeff Kirsher 3882e689cf4aSJeff Kirsher static int niu_tx_error(struct niu *np, struct tx_ring_info *rp) 3883e689cf4aSJeff Kirsher { 3884e689cf4aSJeff Kirsher u64 cs, logh, logl; 3885e689cf4aSJeff Kirsher 3886e689cf4aSJeff Kirsher cs = nr64(TX_CS(rp->tx_channel)); 3887e689cf4aSJeff Kirsher logh = nr64(TX_RNG_ERR_LOGH(rp->tx_channel)); 3888e689cf4aSJeff Kirsher logl = nr64(TX_RNG_ERR_LOGL(rp->tx_channel)); 3889e689cf4aSJeff Kirsher 3890e689cf4aSJeff Kirsher netdev_err(np->dev, "TX channel %u error, cs[%llx] logh[%llx] logl[%llx]\n", 3891e689cf4aSJeff Kirsher rp->tx_channel, 3892e689cf4aSJeff Kirsher (unsigned long long)cs, 3893e689cf4aSJeff Kirsher (unsigned long long)logh, 3894e689cf4aSJeff Kirsher (unsigned long long)logl); 3895e689cf4aSJeff Kirsher 3896e689cf4aSJeff Kirsher niu_log_txchan_errors(np, rp, cs); 3897e689cf4aSJeff Kirsher 3898e689cf4aSJeff Kirsher return -ENODEV; 3899e689cf4aSJeff Kirsher } 3900e689cf4aSJeff Kirsher 3901e689cf4aSJeff Kirsher static int niu_mif_interrupt(struct niu *np) 3902e689cf4aSJeff Kirsher { 3903e689cf4aSJeff Kirsher u64 mif_status = nr64(MIF_STATUS); 3904e689cf4aSJeff Kirsher int phy_mdint = 0; 3905e689cf4aSJeff Kirsher 3906e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) { 3907e689cf4aSJeff Kirsher u64 xrxmac_stat = nr64_mac(XRXMAC_STATUS); 3908e689cf4aSJeff Kirsher 3909e689cf4aSJeff Kirsher if (xrxmac_stat & XRXMAC_STATUS_PHY_MDINT) 3910e689cf4aSJeff Kirsher phy_mdint = 1; 3911e689cf4aSJeff Kirsher } 3912e689cf4aSJeff Kirsher 3913e689cf4aSJeff Kirsher netdev_err(np->dev, "MIF interrupt, stat[%llx] phy_mdint(%d)\n", 3914e689cf4aSJeff Kirsher (unsigned long long)mif_status, phy_mdint); 3915e689cf4aSJeff Kirsher 3916e689cf4aSJeff Kirsher return -ENODEV; 3917e689cf4aSJeff Kirsher } 3918e689cf4aSJeff Kirsher 3919e689cf4aSJeff Kirsher static void niu_xmac_interrupt(struct niu *np) 3920e689cf4aSJeff Kirsher { 3921e689cf4aSJeff Kirsher struct niu_xmac_stats *mp = &np->mac_stats.xmac; 3922e689cf4aSJeff Kirsher u64 val; 3923e689cf4aSJeff Kirsher 3924e689cf4aSJeff Kirsher val = nr64_mac(XTXMAC_STATUS); 3925e689cf4aSJeff Kirsher if (val & XTXMAC_STATUS_FRAME_CNT_EXP) 3926e689cf4aSJeff Kirsher mp->tx_frames += TXMAC_FRM_CNT_COUNT; 3927e689cf4aSJeff Kirsher if (val & XTXMAC_STATUS_BYTE_CNT_EXP) 3928e689cf4aSJeff Kirsher mp->tx_bytes += TXMAC_BYTE_CNT_COUNT; 3929e689cf4aSJeff Kirsher if (val & XTXMAC_STATUS_TXFIFO_XFR_ERR) 3930e689cf4aSJeff Kirsher mp->tx_fifo_errors++; 3931e689cf4aSJeff Kirsher if (val & XTXMAC_STATUS_TXMAC_OFLOW) 3932e689cf4aSJeff Kirsher mp->tx_overflow_errors++; 3933e689cf4aSJeff Kirsher if (val & XTXMAC_STATUS_MAX_PSIZE_ERR) 3934e689cf4aSJeff Kirsher mp->tx_max_pkt_size_errors++; 3935e689cf4aSJeff Kirsher if (val & XTXMAC_STATUS_TXMAC_UFLOW) 3936e689cf4aSJeff Kirsher mp->tx_underflow_errors++; 3937e689cf4aSJeff Kirsher 3938e689cf4aSJeff Kirsher val = nr64_mac(XRXMAC_STATUS); 3939e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_LCL_FLT_STATUS) 3940e689cf4aSJeff Kirsher mp->rx_local_faults++; 3941e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RFLT_DET) 3942e689cf4aSJeff Kirsher mp->rx_remote_faults++; 3943e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_LFLT_CNT_EXP) 3944e689cf4aSJeff Kirsher mp->rx_link_faults += LINK_FAULT_CNT_COUNT; 3945e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_ALIGNERR_CNT_EXP) 3946e689cf4aSJeff Kirsher mp->rx_align_errors += RXMAC_ALIGN_ERR_CNT_COUNT; 3947e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXFRAG_CNT_EXP) 3948e689cf4aSJeff Kirsher mp->rx_frags += RXMAC_FRAG_CNT_COUNT; 3949e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXMULTF_CNT_EXP) 3950e689cf4aSJeff Kirsher mp->rx_mcasts += RXMAC_MC_FRM_CNT_COUNT; 3951e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXBCAST_CNT_EXP) 3952e689cf4aSJeff Kirsher mp->rx_bcasts += RXMAC_BC_FRM_CNT_COUNT; 3953e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXHIST1_CNT_EXP) 3954e689cf4aSJeff Kirsher mp->rx_hist_cnt1 += RXMAC_HIST_CNT1_COUNT; 3955e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXHIST2_CNT_EXP) 3956e689cf4aSJeff Kirsher mp->rx_hist_cnt2 += RXMAC_HIST_CNT2_COUNT; 3957e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXHIST3_CNT_EXP) 3958e689cf4aSJeff Kirsher mp->rx_hist_cnt3 += RXMAC_HIST_CNT3_COUNT; 3959e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXHIST4_CNT_EXP) 3960e689cf4aSJeff Kirsher mp->rx_hist_cnt4 += RXMAC_HIST_CNT4_COUNT; 3961e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXHIST5_CNT_EXP) 3962e689cf4aSJeff Kirsher mp->rx_hist_cnt5 += RXMAC_HIST_CNT5_COUNT; 3963e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXHIST6_CNT_EXP) 3964e689cf4aSJeff Kirsher mp->rx_hist_cnt6 += RXMAC_HIST_CNT6_COUNT; 3965e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXHIST7_CNT_EXP) 3966e689cf4aSJeff Kirsher mp->rx_hist_cnt7 += RXMAC_HIST_CNT7_COUNT; 3967e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXOCTET_CNT_EXP) 3968e689cf4aSJeff Kirsher mp->rx_octets += RXMAC_BT_CNT_COUNT; 3969e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_CVIOLERR_CNT_EXP) 3970e689cf4aSJeff Kirsher mp->rx_code_violations += RXMAC_CD_VIO_CNT_COUNT; 3971e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_LENERR_CNT_EXP) 3972e689cf4aSJeff Kirsher mp->rx_len_errors += RXMAC_MPSZER_CNT_COUNT; 3973e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_CRCERR_CNT_EXP) 3974e689cf4aSJeff Kirsher mp->rx_crc_errors += RXMAC_CRC_ER_CNT_COUNT; 3975e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXUFLOW) 3976e689cf4aSJeff Kirsher mp->rx_underflows++; 3977e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXOFLOW) 3978e689cf4aSJeff Kirsher mp->rx_overflows++; 3979e689cf4aSJeff Kirsher 3980e689cf4aSJeff Kirsher val = nr64_mac(XMAC_FC_STAT); 3981e689cf4aSJeff Kirsher if (val & XMAC_FC_STAT_TX_MAC_NPAUSE) 3982e689cf4aSJeff Kirsher mp->pause_off_state++; 3983e689cf4aSJeff Kirsher if (val & XMAC_FC_STAT_TX_MAC_PAUSE) 3984e689cf4aSJeff Kirsher mp->pause_on_state++; 3985e689cf4aSJeff Kirsher if (val & XMAC_FC_STAT_RX_MAC_RPAUSE) 3986e689cf4aSJeff Kirsher mp->pause_received++; 3987e689cf4aSJeff Kirsher } 3988e689cf4aSJeff Kirsher 3989e689cf4aSJeff Kirsher static void niu_bmac_interrupt(struct niu *np) 3990e689cf4aSJeff Kirsher { 3991e689cf4aSJeff Kirsher struct niu_bmac_stats *mp = &np->mac_stats.bmac; 3992e689cf4aSJeff Kirsher u64 val; 3993e689cf4aSJeff Kirsher 3994e689cf4aSJeff Kirsher val = nr64_mac(BTXMAC_STATUS); 3995e689cf4aSJeff Kirsher if (val & BTXMAC_STATUS_UNDERRUN) 3996e689cf4aSJeff Kirsher mp->tx_underflow_errors++; 3997e689cf4aSJeff Kirsher if (val & BTXMAC_STATUS_MAX_PKT_ERR) 3998e689cf4aSJeff Kirsher mp->tx_max_pkt_size_errors++; 3999e689cf4aSJeff Kirsher if (val & BTXMAC_STATUS_BYTE_CNT_EXP) 4000e689cf4aSJeff Kirsher mp->tx_bytes += BTXMAC_BYTE_CNT_COUNT; 4001e689cf4aSJeff Kirsher if (val & BTXMAC_STATUS_FRAME_CNT_EXP) 4002e689cf4aSJeff Kirsher mp->tx_frames += BTXMAC_FRM_CNT_COUNT; 4003e689cf4aSJeff Kirsher 4004e689cf4aSJeff Kirsher val = nr64_mac(BRXMAC_STATUS); 4005e689cf4aSJeff Kirsher if (val & BRXMAC_STATUS_OVERFLOW) 4006e689cf4aSJeff Kirsher mp->rx_overflows++; 4007e689cf4aSJeff Kirsher if (val & BRXMAC_STATUS_FRAME_CNT_EXP) 4008e689cf4aSJeff Kirsher mp->rx_frames += BRXMAC_FRAME_CNT_COUNT; 4009e689cf4aSJeff Kirsher if (val & BRXMAC_STATUS_ALIGN_ERR_EXP) 4010e689cf4aSJeff Kirsher mp->rx_align_errors += BRXMAC_ALIGN_ERR_CNT_COUNT; 4011e689cf4aSJeff Kirsher if (val & BRXMAC_STATUS_CRC_ERR_EXP) 4012e689cf4aSJeff Kirsher mp->rx_crc_errors += BRXMAC_ALIGN_ERR_CNT_COUNT; 4013e689cf4aSJeff Kirsher if (val & BRXMAC_STATUS_LEN_ERR_EXP) 4014e689cf4aSJeff Kirsher mp->rx_len_errors += BRXMAC_CODE_VIOL_ERR_CNT_COUNT; 4015e689cf4aSJeff Kirsher 4016e689cf4aSJeff Kirsher val = nr64_mac(BMAC_CTRL_STATUS); 4017e689cf4aSJeff Kirsher if (val & BMAC_CTRL_STATUS_NOPAUSE) 4018e689cf4aSJeff Kirsher mp->pause_off_state++; 4019e689cf4aSJeff Kirsher if (val & BMAC_CTRL_STATUS_PAUSE) 4020e689cf4aSJeff Kirsher mp->pause_on_state++; 4021e689cf4aSJeff Kirsher if (val & BMAC_CTRL_STATUS_PAUSE_RECV) 4022e689cf4aSJeff Kirsher mp->pause_received++; 4023e689cf4aSJeff Kirsher } 4024e689cf4aSJeff Kirsher 4025e689cf4aSJeff Kirsher static int niu_mac_interrupt(struct niu *np) 4026e689cf4aSJeff Kirsher { 4027e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 4028e689cf4aSJeff Kirsher niu_xmac_interrupt(np); 4029e689cf4aSJeff Kirsher else 4030e689cf4aSJeff Kirsher niu_bmac_interrupt(np); 4031e689cf4aSJeff Kirsher 4032e689cf4aSJeff Kirsher return 0; 4033e689cf4aSJeff Kirsher } 4034e689cf4aSJeff Kirsher 4035e689cf4aSJeff Kirsher static void niu_log_device_error(struct niu *np, u64 stat) 4036e689cf4aSJeff Kirsher { 4037e689cf4aSJeff Kirsher netdev_err(np->dev, "Core device errors ( "); 4038e689cf4aSJeff Kirsher 4039e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_META2) 4040e689cf4aSJeff Kirsher pr_cont("META2 "); 4041e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_META1) 4042e689cf4aSJeff Kirsher pr_cont("META1 "); 4043e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_PEU) 4044e689cf4aSJeff Kirsher pr_cont("PEU "); 4045e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_TXC) 4046e689cf4aSJeff Kirsher pr_cont("TXC "); 4047e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_RDMC) 4048e689cf4aSJeff Kirsher pr_cont("RDMC "); 4049e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_TDMC) 4050e689cf4aSJeff Kirsher pr_cont("TDMC "); 4051e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_ZCP) 4052e689cf4aSJeff Kirsher pr_cont("ZCP "); 4053e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_FFLP) 4054e689cf4aSJeff Kirsher pr_cont("FFLP "); 4055e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_IPP) 4056e689cf4aSJeff Kirsher pr_cont("IPP "); 4057e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_MAC) 4058e689cf4aSJeff Kirsher pr_cont("MAC "); 4059e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_SMX) 4060e689cf4aSJeff Kirsher pr_cont("SMX "); 4061e689cf4aSJeff Kirsher 4062e689cf4aSJeff Kirsher pr_cont(")\n"); 4063e689cf4aSJeff Kirsher } 4064e689cf4aSJeff Kirsher 4065e689cf4aSJeff Kirsher static int niu_device_error(struct niu *np) 4066e689cf4aSJeff Kirsher { 4067e689cf4aSJeff Kirsher u64 stat = nr64(SYS_ERR_STAT); 4068e689cf4aSJeff Kirsher 4069e689cf4aSJeff Kirsher netdev_err(np->dev, "Core device error, stat[%llx]\n", 4070e689cf4aSJeff Kirsher (unsigned long long)stat); 4071e689cf4aSJeff Kirsher 4072e689cf4aSJeff Kirsher niu_log_device_error(np, stat); 4073e689cf4aSJeff Kirsher 4074e689cf4aSJeff Kirsher return -ENODEV; 4075e689cf4aSJeff Kirsher } 4076e689cf4aSJeff Kirsher 4077e689cf4aSJeff Kirsher static int niu_slowpath_interrupt(struct niu *np, struct niu_ldg *lp, 4078e689cf4aSJeff Kirsher u64 v0, u64 v1, u64 v2) 4079e689cf4aSJeff Kirsher { 4080e689cf4aSJeff Kirsher 4081e689cf4aSJeff Kirsher int i, err = 0; 4082e689cf4aSJeff Kirsher 4083e689cf4aSJeff Kirsher lp->v0 = v0; 4084e689cf4aSJeff Kirsher lp->v1 = v1; 4085e689cf4aSJeff Kirsher lp->v2 = v2; 4086e689cf4aSJeff Kirsher 4087e689cf4aSJeff Kirsher if (v1 & 0x00000000ffffffffULL) { 4088e689cf4aSJeff Kirsher u32 rx_vec = (v1 & 0xffffffff); 4089e689cf4aSJeff Kirsher 4090e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 4091e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 4092e689cf4aSJeff Kirsher 4093e689cf4aSJeff Kirsher if (rx_vec & (1 << rp->rx_channel)) { 4094e689cf4aSJeff Kirsher int r = niu_rx_error(np, rp); 4095e689cf4aSJeff Kirsher if (r) { 4096e689cf4aSJeff Kirsher err = r; 4097e689cf4aSJeff Kirsher } else { 4098e689cf4aSJeff Kirsher if (!v0) 4099e689cf4aSJeff Kirsher nw64(RX_DMA_CTL_STAT(rp->rx_channel), 4100e689cf4aSJeff Kirsher RX_DMA_CTL_STAT_MEX); 4101e689cf4aSJeff Kirsher } 4102e689cf4aSJeff Kirsher } 4103e689cf4aSJeff Kirsher } 4104e689cf4aSJeff Kirsher } 4105e689cf4aSJeff Kirsher if (v1 & 0x7fffffff00000000ULL) { 4106e689cf4aSJeff Kirsher u32 tx_vec = (v1 >> 32) & 0x7fffffff; 4107e689cf4aSJeff Kirsher 4108e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 4109e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 4110e689cf4aSJeff Kirsher 4111e689cf4aSJeff Kirsher if (tx_vec & (1 << rp->tx_channel)) { 4112e689cf4aSJeff Kirsher int r = niu_tx_error(np, rp); 4113e689cf4aSJeff Kirsher if (r) 4114e689cf4aSJeff Kirsher err = r; 4115e689cf4aSJeff Kirsher } 4116e689cf4aSJeff Kirsher } 4117e689cf4aSJeff Kirsher } 4118e689cf4aSJeff Kirsher if ((v0 | v1) & 0x8000000000000000ULL) { 4119e689cf4aSJeff Kirsher int r = niu_mif_interrupt(np); 4120e689cf4aSJeff Kirsher if (r) 4121e689cf4aSJeff Kirsher err = r; 4122e689cf4aSJeff Kirsher } 4123e689cf4aSJeff Kirsher if (v2) { 4124e689cf4aSJeff Kirsher if (v2 & 0x01ef) { 4125e689cf4aSJeff Kirsher int r = niu_mac_interrupt(np); 4126e689cf4aSJeff Kirsher if (r) 4127e689cf4aSJeff Kirsher err = r; 4128e689cf4aSJeff Kirsher } 4129e689cf4aSJeff Kirsher if (v2 & 0x0210) { 4130e689cf4aSJeff Kirsher int r = niu_device_error(np); 4131e689cf4aSJeff Kirsher if (r) 4132e689cf4aSJeff Kirsher err = r; 4133e689cf4aSJeff Kirsher } 4134e689cf4aSJeff Kirsher } 4135e689cf4aSJeff Kirsher 4136e689cf4aSJeff Kirsher if (err) 4137e689cf4aSJeff Kirsher niu_enable_interrupts(np, 0); 4138e689cf4aSJeff Kirsher 4139e689cf4aSJeff Kirsher return err; 4140e689cf4aSJeff Kirsher } 4141e689cf4aSJeff Kirsher 4142e689cf4aSJeff Kirsher static void niu_rxchan_intr(struct niu *np, struct rx_ring_info *rp, 4143e689cf4aSJeff Kirsher int ldn) 4144e689cf4aSJeff Kirsher { 4145e689cf4aSJeff Kirsher struct rxdma_mailbox *mbox = rp->mbox; 4146e689cf4aSJeff Kirsher u64 stat_write, stat = le64_to_cpup(&mbox->rx_dma_ctl_stat); 4147e689cf4aSJeff Kirsher 4148e689cf4aSJeff Kirsher stat_write = (RX_DMA_CTL_STAT_RCRTHRES | 4149e689cf4aSJeff Kirsher RX_DMA_CTL_STAT_RCRTO); 4150e689cf4aSJeff Kirsher nw64(RX_DMA_CTL_STAT(rp->rx_channel), stat_write); 4151e689cf4aSJeff Kirsher 4152e689cf4aSJeff Kirsher netif_printk(np, intr, KERN_DEBUG, np->dev, 4153e689cf4aSJeff Kirsher "%s() stat[%llx]\n", __func__, (unsigned long long)stat); 4154e689cf4aSJeff Kirsher } 4155e689cf4aSJeff Kirsher 4156e689cf4aSJeff Kirsher static void niu_txchan_intr(struct niu *np, struct tx_ring_info *rp, 4157e689cf4aSJeff Kirsher int ldn) 4158e689cf4aSJeff Kirsher { 4159e689cf4aSJeff Kirsher rp->tx_cs = nr64(TX_CS(rp->tx_channel)); 4160e689cf4aSJeff Kirsher 4161e689cf4aSJeff Kirsher netif_printk(np, intr, KERN_DEBUG, np->dev, 4162e689cf4aSJeff Kirsher "%s() cs[%llx]\n", __func__, (unsigned long long)rp->tx_cs); 4163e689cf4aSJeff Kirsher } 4164e689cf4aSJeff Kirsher 4165e689cf4aSJeff Kirsher static void __niu_fastpath_interrupt(struct niu *np, int ldg, u64 v0) 4166e689cf4aSJeff Kirsher { 4167e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 4168e689cf4aSJeff Kirsher u32 rx_vec, tx_vec; 4169e689cf4aSJeff Kirsher int i; 4170e689cf4aSJeff Kirsher 4171e689cf4aSJeff Kirsher tx_vec = (v0 >> 32); 4172e689cf4aSJeff Kirsher rx_vec = (v0 & 0xffffffff); 4173e689cf4aSJeff Kirsher 4174e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 4175e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 4176e689cf4aSJeff Kirsher int ldn = LDN_RXDMA(rp->rx_channel); 4177e689cf4aSJeff Kirsher 4178e689cf4aSJeff Kirsher if (parent->ldg_map[ldn] != ldg) 4179e689cf4aSJeff Kirsher continue; 4180e689cf4aSJeff Kirsher 4181e689cf4aSJeff Kirsher nw64(LD_IM0(ldn), LD_IM0_MASK); 4182e689cf4aSJeff Kirsher if (rx_vec & (1 << rp->rx_channel)) 4183e689cf4aSJeff Kirsher niu_rxchan_intr(np, rp, ldn); 4184e689cf4aSJeff Kirsher } 4185e689cf4aSJeff Kirsher 4186e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 4187e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 4188e689cf4aSJeff Kirsher int ldn = LDN_TXDMA(rp->tx_channel); 4189e689cf4aSJeff Kirsher 4190e689cf4aSJeff Kirsher if (parent->ldg_map[ldn] != ldg) 4191e689cf4aSJeff Kirsher continue; 4192e689cf4aSJeff Kirsher 4193e689cf4aSJeff Kirsher nw64(LD_IM0(ldn), LD_IM0_MASK); 4194e689cf4aSJeff Kirsher if (tx_vec & (1 << rp->tx_channel)) 4195e689cf4aSJeff Kirsher niu_txchan_intr(np, rp, ldn); 4196e689cf4aSJeff Kirsher } 4197e689cf4aSJeff Kirsher } 4198e689cf4aSJeff Kirsher 4199e689cf4aSJeff Kirsher static void niu_schedule_napi(struct niu *np, struct niu_ldg *lp, 4200e689cf4aSJeff Kirsher u64 v0, u64 v1, u64 v2) 4201e689cf4aSJeff Kirsher { 4202e689cf4aSJeff Kirsher if (likely(napi_schedule_prep(&lp->napi))) { 4203e689cf4aSJeff Kirsher lp->v0 = v0; 4204e689cf4aSJeff Kirsher lp->v1 = v1; 4205e689cf4aSJeff Kirsher lp->v2 = v2; 4206e689cf4aSJeff Kirsher __niu_fastpath_interrupt(np, lp->ldg_num, v0); 4207e689cf4aSJeff Kirsher __napi_schedule(&lp->napi); 4208e689cf4aSJeff Kirsher } 4209e689cf4aSJeff Kirsher } 4210e689cf4aSJeff Kirsher 4211e689cf4aSJeff Kirsher static irqreturn_t niu_interrupt(int irq, void *dev_id) 4212e689cf4aSJeff Kirsher { 4213e689cf4aSJeff Kirsher struct niu_ldg *lp = dev_id; 4214e689cf4aSJeff Kirsher struct niu *np = lp->np; 4215e689cf4aSJeff Kirsher int ldg = lp->ldg_num; 4216e689cf4aSJeff Kirsher unsigned long flags; 4217e689cf4aSJeff Kirsher u64 v0, v1, v2; 4218e689cf4aSJeff Kirsher 4219e689cf4aSJeff Kirsher if (netif_msg_intr(np)) 4220e689cf4aSJeff Kirsher printk(KERN_DEBUG KBUILD_MODNAME ": " "%s() ldg[%p](%d)", 4221e689cf4aSJeff Kirsher __func__, lp, ldg); 4222e689cf4aSJeff Kirsher 4223e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 4224e689cf4aSJeff Kirsher 4225e689cf4aSJeff Kirsher v0 = nr64(LDSV0(ldg)); 4226e689cf4aSJeff Kirsher v1 = nr64(LDSV1(ldg)); 4227e689cf4aSJeff Kirsher v2 = nr64(LDSV2(ldg)); 4228e689cf4aSJeff Kirsher 4229e689cf4aSJeff Kirsher if (netif_msg_intr(np)) 4230e689cf4aSJeff Kirsher pr_cont(" v0[%llx] v1[%llx] v2[%llx]\n", 4231e689cf4aSJeff Kirsher (unsigned long long) v0, 4232e689cf4aSJeff Kirsher (unsigned long long) v1, 4233e689cf4aSJeff Kirsher (unsigned long long) v2); 4234e689cf4aSJeff Kirsher 4235e689cf4aSJeff Kirsher if (unlikely(!v0 && !v1 && !v2)) { 4236e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 4237e689cf4aSJeff Kirsher return IRQ_NONE; 4238e689cf4aSJeff Kirsher } 4239e689cf4aSJeff Kirsher 4240e689cf4aSJeff Kirsher if (unlikely((v0 & ((u64)1 << LDN_MIF)) || v1 || v2)) { 4241e689cf4aSJeff Kirsher int err = niu_slowpath_interrupt(np, lp, v0, v1, v2); 4242e689cf4aSJeff Kirsher if (err) 4243e689cf4aSJeff Kirsher goto out; 4244e689cf4aSJeff Kirsher } 4245e689cf4aSJeff Kirsher if (likely(v0 & ~((u64)1 << LDN_MIF))) 4246e689cf4aSJeff Kirsher niu_schedule_napi(np, lp, v0, v1, v2); 4247e689cf4aSJeff Kirsher else 4248e689cf4aSJeff Kirsher niu_ldg_rearm(np, lp, 1); 4249e689cf4aSJeff Kirsher out: 4250e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 4251e689cf4aSJeff Kirsher 4252e689cf4aSJeff Kirsher return IRQ_HANDLED; 4253e689cf4aSJeff Kirsher } 4254e689cf4aSJeff Kirsher 4255e689cf4aSJeff Kirsher static void niu_free_rx_ring_info(struct niu *np, struct rx_ring_info *rp) 4256e689cf4aSJeff Kirsher { 4257e689cf4aSJeff Kirsher if (rp->mbox) { 4258e689cf4aSJeff Kirsher np->ops->free_coherent(np->device, 4259e689cf4aSJeff Kirsher sizeof(struct rxdma_mailbox), 4260e689cf4aSJeff Kirsher rp->mbox, rp->mbox_dma); 4261e689cf4aSJeff Kirsher rp->mbox = NULL; 4262e689cf4aSJeff Kirsher } 4263e689cf4aSJeff Kirsher if (rp->rcr) { 4264e689cf4aSJeff Kirsher np->ops->free_coherent(np->device, 4265e689cf4aSJeff Kirsher MAX_RCR_RING_SIZE * sizeof(__le64), 4266e689cf4aSJeff Kirsher rp->rcr, rp->rcr_dma); 4267e689cf4aSJeff Kirsher rp->rcr = NULL; 4268e689cf4aSJeff Kirsher rp->rcr_table_size = 0; 4269e689cf4aSJeff Kirsher rp->rcr_index = 0; 4270e689cf4aSJeff Kirsher } 4271e689cf4aSJeff Kirsher if (rp->rbr) { 4272e689cf4aSJeff Kirsher niu_rbr_free(np, rp); 4273e689cf4aSJeff Kirsher 4274e689cf4aSJeff Kirsher np->ops->free_coherent(np->device, 4275e689cf4aSJeff Kirsher MAX_RBR_RING_SIZE * sizeof(__le32), 4276e689cf4aSJeff Kirsher rp->rbr, rp->rbr_dma); 4277e689cf4aSJeff Kirsher rp->rbr = NULL; 4278e689cf4aSJeff Kirsher rp->rbr_table_size = 0; 4279e689cf4aSJeff Kirsher rp->rbr_index = 0; 4280e689cf4aSJeff Kirsher } 4281e689cf4aSJeff Kirsher kfree(rp->rxhash); 4282e689cf4aSJeff Kirsher rp->rxhash = NULL; 4283e689cf4aSJeff Kirsher } 4284e689cf4aSJeff Kirsher 4285e689cf4aSJeff Kirsher static void niu_free_tx_ring_info(struct niu *np, struct tx_ring_info *rp) 4286e689cf4aSJeff Kirsher { 4287e689cf4aSJeff Kirsher if (rp->mbox) { 4288e689cf4aSJeff Kirsher np->ops->free_coherent(np->device, 4289e689cf4aSJeff Kirsher sizeof(struct txdma_mailbox), 4290e689cf4aSJeff Kirsher rp->mbox, rp->mbox_dma); 4291e689cf4aSJeff Kirsher rp->mbox = NULL; 4292e689cf4aSJeff Kirsher } 4293e689cf4aSJeff Kirsher if (rp->descr) { 4294e689cf4aSJeff Kirsher int i; 4295e689cf4aSJeff Kirsher 4296e689cf4aSJeff Kirsher for (i = 0; i < MAX_TX_RING_SIZE; i++) { 4297e689cf4aSJeff Kirsher if (rp->tx_buffs[i].skb) 4298e689cf4aSJeff Kirsher (void) release_tx_packet(np, rp, i); 4299e689cf4aSJeff Kirsher } 4300e689cf4aSJeff Kirsher 4301e689cf4aSJeff Kirsher np->ops->free_coherent(np->device, 4302e689cf4aSJeff Kirsher MAX_TX_RING_SIZE * sizeof(__le64), 4303e689cf4aSJeff Kirsher rp->descr, rp->descr_dma); 4304e689cf4aSJeff Kirsher rp->descr = NULL; 4305e689cf4aSJeff Kirsher rp->pending = 0; 4306e689cf4aSJeff Kirsher rp->prod = 0; 4307e689cf4aSJeff Kirsher rp->cons = 0; 4308e689cf4aSJeff Kirsher rp->wrap_bit = 0; 4309e689cf4aSJeff Kirsher } 4310e689cf4aSJeff Kirsher } 4311e689cf4aSJeff Kirsher 4312e689cf4aSJeff Kirsher static void niu_free_channels(struct niu *np) 4313e689cf4aSJeff Kirsher { 4314e689cf4aSJeff Kirsher int i; 4315e689cf4aSJeff Kirsher 4316e689cf4aSJeff Kirsher if (np->rx_rings) { 4317e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 4318e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 4319e689cf4aSJeff Kirsher 4320e689cf4aSJeff Kirsher niu_free_rx_ring_info(np, rp); 4321e689cf4aSJeff Kirsher } 4322e689cf4aSJeff Kirsher kfree(np->rx_rings); 4323e689cf4aSJeff Kirsher np->rx_rings = NULL; 4324e689cf4aSJeff Kirsher np->num_rx_rings = 0; 4325e689cf4aSJeff Kirsher } 4326e689cf4aSJeff Kirsher 4327e689cf4aSJeff Kirsher if (np->tx_rings) { 4328e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 4329e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 4330e689cf4aSJeff Kirsher 4331e689cf4aSJeff Kirsher niu_free_tx_ring_info(np, rp); 4332e689cf4aSJeff Kirsher } 4333e689cf4aSJeff Kirsher kfree(np->tx_rings); 4334e689cf4aSJeff Kirsher np->tx_rings = NULL; 4335e689cf4aSJeff Kirsher np->num_tx_rings = 0; 4336e689cf4aSJeff Kirsher } 4337e689cf4aSJeff Kirsher } 4338e689cf4aSJeff Kirsher 4339e689cf4aSJeff Kirsher static int niu_alloc_rx_ring_info(struct niu *np, 4340e689cf4aSJeff Kirsher struct rx_ring_info *rp) 4341e689cf4aSJeff Kirsher { 4342e689cf4aSJeff Kirsher BUILD_BUG_ON(sizeof(struct rxdma_mailbox) != 64); 4343e689cf4aSJeff Kirsher 4344b2adaca9SJoe Perches rp->rxhash = kcalloc(MAX_RBR_RING_SIZE, sizeof(struct page *), 4345e689cf4aSJeff Kirsher GFP_KERNEL); 4346e689cf4aSJeff Kirsher if (!rp->rxhash) 4347e689cf4aSJeff Kirsher return -ENOMEM; 4348e689cf4aSJeff Kirsher 4349e689cf4aSJeff Kirsher rp->mbox = np->ops->alloc_coherent(np->device, 4350e689cf4aSJeff Kirsher sizeof(struct rxdma_mailbox), 4351e689cf4aSJeff Kirsher &rp->mbox_dma, GFP_KERNEL); 4352e689cf4aSJeff Kirsher if (!rp->mbox) 4353e689cf4aSJeff Kirsher return -ENOMEM; 4354e689cf4aSJeff Kirsher if ((unsigned long)rp->mbox & (64UL - 1)) { 4355e689cf4aSJeff Kirsher netdev_err(np->dev, "Coherent alloc gives misaligned RXDMA mailbox %p\n", 4356e689cf4aSJeff Kirsher rp->mbox); 4357e689cf4aSJeff Kirsher return -EINVAL; 4358e689cf4aSJeff Kirsher } 4359e689cf4aSJeff Kirsher 4360e689cf4aSJeff Kirsher rp->rcr = np->ops->alloc_coherent(np->device, 4361e689cf4aSJeff Kirsher MAX_RCR_RING_SIZE * sizeof(__le64), 4362e689cf4aSJeff Kirsher &rp->rcr_dma, GFP_KERNEL); 4363e689cf4aSJeff Kirsher if (!rp->rcr) 4364e689cf4aSJeff Kirsher return -ENOMEM; 4365e689cf4aSJeff Kirsher if ((unsigned long)rp->rcr & (64UL - 1)) { 4366e689cf4aSJeff Kirsher netdev_err(np->dev, "Coherent alloc gives misaligned RXDMA RCR table %p\n", 4367e689cf4aSJeff Kirsher rp->rcr); 4368e689cf4aSJeff Kirsher return -EINVAL; 4369e689cf4aSJeff Kirsher } 4370e689cf4aSJeff Kirsher rp->rcr_table_size = MAX_RCR_RING_SIZE; 4371e689cf4aSJeff Kirsher rp->rcr_index = 0; 4372e689cf4aSJeff Kirsher 4373e689cf4aSJeff Kirsher rp->rbr = np->ops->alloc_coherent(np->device, 4374e689cf4aSJeff Kirsher MAX_RBR_RING_SIZE * sizeof(__le32), 4375e689cf4aSJeff Kirsher &rp->rbr_dma, GFP_KERNEL); 4376e689cf4aSJeff Kirsher if (!rp->rbr) 4377e689cf4aSJeff Kirsher return -ENOMEM; 4378e689cf4aSJeff Kirsher if ((unsigned long)rp->rbr & (64UL - 1)) { 4379e689cf4aSJeff Kirsher netdev_err(np->dev, "Coherent alloc gives misaligned RXDMA RBR table %p\n", 4380e689cf4aSJeff Kirsher rp->rbr); 4381e689cf4aSJeff Kirsher return -EINVAL; 4382e689cf4aSJeff Kirsher } 4383e689cf4aSJeff Kirsher rp->rbr_table_size = MAX_RBR_RING_SIZE; 4384e689cf4aSJeff Kirsher rp->rbr_index = 0; 4385e689cf4aSJeff Kirsher rp->rbr_pending = 0; 4386e689cf4aSJeff Kirsher 4387e689cf4aSJeff Kirsher return 0; 4388e689cf4aSJeff Kirsher } 4389e689cf4aSJeff Kirsher 4390e689cf4aSJeff Kirsher static void niu_set_max_burst(struct niu *np, struct tx_ring_info *rp) 4391e689cf4aSJeff Kirsher { 4392e689cf4aSJeff Kirsher int mtu = np->dev->mtu; 4393e689cf4aSJeff Kirsher 4394e689cf4aSJeff Kirsher /* These values are recommended by the HW designers for fair 4395e689cf4aSJeff Kirsher * utilization of DRR amongst the rings. 4396e689cf4aSJeff Kirsher */ 4397e689cf4aSJeff Kirsher rp->max_burst = mtu + 32; 4398e689cf4aSJeff Kirsher if (rp->max_burst > 4096) 4399e689cf4aSJeff Kirsher rp->max_burst = 4096; 4400e689cf4aSJeff Kirsher } 4401e689cf4aSJeff Kirsher 4402e689cf4aSJeff Kirsher static int niu_alloc_tx_ring_info(struct niu *np, 4403e689cf4aSJeff Kirsher struct tx_ring_info *rp) 4404e689cf4aSJeff Kirsher { 4405e689cf4aSJeff Kirsher BUILD_BUG_ON(sizeof(struct txdma_mailbox) != 64); 4406e689cf4aSJeff Kirsher 4407e689cf4aSJeff Kirsher rp->mbox = np->ops->alloc_coherent(np->device, 4408e689cf4aSJeff Kirsher sizeof(struct txdma_mailbox), 4409e689cf4aSJeff Kirsher &rp->mbox_dma, GFP_KERNEL); 4410e689cf4aSJeff Kirsher if (!rp->mbox) 4411e689cf4aSJeff Kirsher return -ENOMEM; 4412e689cf4aSJeff Kirsher if ((unsigned long)rp->mbox & (64UL - 1)) { 4413e689cf4aSJeff Kirsher netdev_err(np->dev, "Coherent alloc gives misaligned TXDMA mailbox %p\n", 4414e689cf4aSJeff Kirsher rp->mbox); 4415e689cf4aSJeff Kirsher return -EINVAL; 4416e689cf4aSJeff Kirsher } 4417e689cf4aSJeff Kirsher 4418e689cf4aSJeff Kirsher rp->descr = np->ops->alloc_coherent(np->device, 4419e689cf4aSJeff Kirsher MAX_TX_RING_SIZE * sizeof(__le64), 4420e689cf4aSJeff Kirsher &rp->descr_dma, GFP_KERNEL); 4421e689cf4aSJeff Kirsher if (!rp->descr) 4422e689cf4aSJeff Kirsher return -ENOMEM; 4423e689cf4aSJeff Kirsher if ((unsigned long)rp->descr & (64UL - 1)) { 4424e689cf4aSJeff Kirsher netdev_err(np->dev, "Coherent alloc gives misaligned TXDMA descr table %p\n", 4425e689cf4aSJeff Kirsher rp->descr); 4426e689cf4aSJeff Kirsher return -EINVAL; 4427e689cf4aSJeff Kirsher } 4428e689cf4aSJeff Kirsher 4429e689cf4aSJeff Kirsher rp->pending = MAX_TX_RING_SIZE; 4430e689cf4aSJeff Kirsher rp->prod = 0; 4431e689cf4aSJeff Kirsher rp->cons = 0; 4432e689cf4aSJeff Kirsher rp->wrap_bit = 0; 4433e689cf4aSJeff Kirsher 4434e689cf4aSJeff Kirsher /* XXX make these configurable... XXX */ 4435e689cf4aSJeff Kirsher rp->mark_freq = rp->pending / 4; 4436e689cf4aSJeff Kirsher 4437e689cf4aSJeff Kirsher niu_set_max_burst(np, rp); 4438e689cf4aSJeff Kirsher 4439e689cf4aSJeff Kirsher return 0; 4440e689cf4aSJeff Kirsher } 4441e689cf4aSJeff Kirsher 4442e689cf4aSJeff Kirsher static void niu_size_rbr(struct niu *np, struct rx_ring_info *rp) 4443e689cf4aSJeff Kirsher { 4444e689cf4aSJeff Kirsher u16 bss; 4445e689cf4aSJeff Kirsher 4446e689cf4aSJeff Kirsher bss = min(PAGE_SHIFT, 15); 4447e689cf4aSJeff Kirsher 4448e689cf4aSJeff Kirsher rp->rbr_block_size = 1 << bss; 4449e689cf4aSJeff Kirsher rp->rbr_blocks_per_page = 1 << (PAGE_SHIFT-bss); 4450e689cf4aSJeff Kirsher 4451e689cf4aSJeff Kirsher rp->rbr_sizes[0] = 256; 4452e689cf4aSJeff Kirsher rp->rbr_sizes[1] = 1024; 4453e689cf4aSJeff Kirsher if (np->dev->mtu > ETH_DATA_LEN) { 4454e689cf4aSJeff Kirsher switch (PAGE_SIZE) { 4455e689cf4aSJeff Kirsher case 4 * 1024: 4456e689cf4aSJeff Kirsher rp->rbr_sizes[2] = 4096; 4457e689cf4aSJeff Kirsher break; 4458e689cf4aSJeff Kirsher 4459e689cf4aSJeff Kirsher default: 4460e689cf4aSJeff Kirsher rp->rbr_sizes[2] = 8192; 4461e689cf4aSJeff Kirsher break; 4462e689cf4aSJeff Kirsher } 4463e689cf4aSJeff Kirsher } else { 4464e689cf4aSJeff Kirsher rp->rbr_sizes[2] = 2048; 4465e689cf4aSJeff Kirsher } 4466e689cf4aSJeff Kirsher rp->rbr_sizes[3] = rp->rbr_block_size; 4467e689cf4aSJeff Kirsher } 4468e689cf4aSJeff Kirsher 4469e689cf4aSJeff Kirsher static int niu_alloc_channels(struct niu *np) 4470e689cf4aSJeff Kirsher { 4471e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 4472e689cf4aSJeff Kirsher int first_rx_channel, first_tx_channel; 4473e689cf4aSJeff Kirsher int num_rx_rings, num_tx_rings; 4474e689cf4aSJeff Kirsher struct rx_ring_info *rx_rings; 4475e689cf4aSJeff Kirsher struct tx_ring_info *tx_rings; 4476e689cf4aSJeff Kirsher int i, port, err; 4477e689cf4aSJeff Kirsher 4478e689cf4aSJeff Kirsher port = np->port; 4479e689cf4aSJeff Kirsher first_rx_channel = first_tx_channel = 0; 4480e689cf4aSJeff Kirsher for (i = 0; i < port; i++) { 4481e689cf4aSJeff Kirsher first_rx_channel += parent->rxchan_per_port[i]; 4482e689cf4aSJeff Kirsher first_tx_channel += parent->txchan_per_port[i]; 4483e689cf4aSJeff Kirsher } 4484e689cf4aSJeff Kirsher 4485e689cf4aSJeff Kirsher num_rx_rings = parent->rxchan_per_port[port]; 4486e689cf4aSJeff Kirsher num_tx_rings = parent->txchan_per_port[port]; 4487e689cf4aSJeff Kirsher 4488e689cf4aSJeff Kirsher rx_rings = kcalloc(num_rx_rings, sizeof(struct rx_ring_info), 4489e689cf4aSJeff Kirsher GFP_KERNEL); 4490e689cf4aSJeff Kirsher err = -ENOMEM; 4491e689cf4aSJeff Kirsher if (!rx_rings) 4492e689cf4aSJeff Kirsher goto out_err; 4493e689cf4aSJeff Kirsher 4494e689cf4aSJeff Kirsher np->num_rx_rings = num_rx_rings; 4495e689cf4aSJeff Kirsher smp_wmb(); 4496e689cf4aSJeff Kirsher np->rx_rings = rx_rings; 4497e689cf4aSJeff Kirsher 4498e689cf4aSJeff Kirsher netif_set_real_num_rx_queues(np->dev, num_rx_rings); 4499e689cf4aSJeff Kirsher 4500e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 4501e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 4502e689cf4aSJeff Kirsher 4503e689cf4aSJeff Kirsher rp->np = np; 4504e689cf4aSJeff Kirsher rp->rx_channel = first_rx_channel + i; 4505e689cf4aSJeff Kirsher 4506e689cf4aSJeff Kirsher err = niu_alloc_rx_ring_info(np, rp); 4507e689cf4aSJeff Kirsher if (err) 4508e689cf4aSJeff Kirsher goto out_err; 4509e689cf4aSJeff Kirsher 4510e689cf4aSJeff Kirsher niu_size_rbr(np, rp); 4511e689cf4aSJeff Kirsher 4512e689cf4aSJeff Kirsher /* XXX better defaults, configurable, etc... XXX */ 4513e689cf4aSJeff Kirsher rp->nonsyn_window = 64; 4514e689cf4aSJeff Kirsher rp->nonsyn_threshold = rp->rcr_table_size - 64; 4515e689cf4aSJeff Kirsher rp->syn_window = 64; 4516e689cf4aSJeff Kirsher rp->syn_threshold = rp->rcr_table_size - 64; 4517e689cf4aSJeff Kirsher rp->rcr_pkt_threshold = 16; 4518e689cf4aSJeff Kirsher rp->rcr_timeout = 8; 4519e689cf4aSJeff Kirsher rp->rbr_kick_thresh = RBR_REFILL_MIN; 4520e689cf4aSJeff Kirsher if (rp->rbr_kick_thresh < rp->rbr_blocks_per_page) 4521e689cf4aSJeff Kirsher rp->rbr_kick_thresh = rp->rbr_blocks_per_page; 4522e689cf4aSJeff Kirsher 4523e689cf4aSJeff Kirsher err = niu_rbr_fill(np, rp, GFP_KERNEL); 4524e689cf4aSJeff Kirsher if (err) 4525e689cf4aSJeff Kirsher return err; 4526e689cf4aSJeff Kirsher } 4527e689cf4aSJeff Kirsher 4528e689cf4aSJeff Kirsher tx_rings = kcalloc(num_tx_rings, sizeof(struct tx_ring_info), 4529e689cf4aSJeff Kirsher GFP_KERNEL); 4530e689cf4aSJeff Kirsher err = -ENOMEM; 4531e689cf4aSJeff Kirsher if (!tx_rings) 4532e689cf4aSJeff Kirsher goto out_err; 4533e689cf4aSJeff Kirsher 4534e689cf4aSJeff Kirsher np->num_tx_rings = num_tx_rings; 4535e689cf4aSJeff Kirsher smp_wmb(); 4536e689cf4aSJeff Kirsher np->tx_rings = tx_rings; 4537e689cf4aSJeff Kirsher 4538e689cf4aSJeff Kirsher netif_set_real_num_tx_queues(np->dev, num_tx_rings); 4539e689cf4aSJeff Kirsher 4540e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 4541e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 4542e689cf4aSJeff Kirsher 4543e689cf4aSJeff Kirsher rp->np = np; 4544e689cf4aSJeff Kirsher rp->tx_channel = first_tx_channel + i; 4545e689cf4aSJeff Kirsher 4546e689cf4aSJeff Kirsher err = niu_alloc_tx_ring_info(np, rp); 4547e689cf4aSJeff Kirsher if (err) 4548e689cf4aSJeff Kirsher goto out_err; 4549e689cf4aSJeff Kirsher } 4550e689cf4aSJeff Kirsher 4551e689cf4aSJeff Kirsher return 0; 4552e689cf4aSJeff Kirsher 4553e689cf4aSJeff Kirsher out_err: 4554e689cf4aSJeff Kirsher niu_free_channels(np); 4555e689cf4aSJeff Kirsher return err; 4556e689cf4aSJeff Kirsher } 4557e689cf4aSJeff Kirsher 4558e689cf4aSJeff Kirsher static int niu_tx_cs_sng_poll(struct niu *np, int channel) 4559e689cf4aSJeff Kirsher { 4560e689cf4aSJeff Kirsher int limit = 1000; 4561e689cf4aSJeff Kirsher 4562e689cf4aSJeff Kirsher while (--limit > 0) { 4563e689cf4aSJeff Kirsher u64 val = nr64(TX_CS(channel)); 4564e689cf4aSJeff Kirsher if (val & TX_CS_SNG_STATE) 4565e689cf4aSJeff Kirsher return 0; 4566e689cf4aSJeff Kirsher } 4567e689cf4aSJeff Kirsher return -ENODEV; 4568e689cf4aSJeff Kirsher } 4569e689cf4aSJeff Kirsher 4570e689cf4aSJeff Kirsher static int niu_tx_channel_stop(struct niu *np, int channel) 4571e689cf4aSJeff Kirsher { 4572e689cf4aSJeff Kirsher u64 val = nr64(TX_CS(channel)); 4573e689cf4aSJeff Kirsher 4574e689cf4aSJeff Kirsher val |= TX_CS_STOP_N_GO; 4575e689cf4aSJeff Kirsher nw64(TX_CS(channel), val); 4576e689cf4aSJeff Kirsher 4577e689cf4aSJeff Kirsher return niu_tx_cs_sng_poll(np, channel); 4578e689cf4aSJeff Kirsher } 4579e689cf4aSJeff Kirsher 4580e689cf4aSJeff Kirsher static int niu_tx_cs_reset_poll(struct niu *np, int channel) 4581e689cf4aSJeff Kirsher { 4582e689cf4aSJeff Kirsher int limit = 1000; 4583e689cf4aSJeff Kirsher 4584e689cf4aSJeff Kirsher while (--limit > 0) { 4585e689cf4aSJeff Kirsher u64 val = nr64(TX_CS(channel)); 4586e689cf4aSJeff Kirsher if (!(val & TX_CS_RST)) 4587e689cf4aSJeff Kirsher return 0; 4588e689cf4aSJeff Kirsher } 4589e689cf4aSJeff Kirsher return -ENODEV; 4590e689cf4aSJeff Kirsher } 4591e689cf4aSJeff Kirsher 4592e689cf4aSJeff Kirsher static int niu_tx_channel_reset(struct niu *np, int channel) 4593e689cf4aSJeff Kirsher { 4594e689cf4aSJeff Kirsher u64 val = nr64(TX_CS(channel)); 4595e689cf4aSJeff Kirsher int err; 4596e689cf4aSJeff Kirsher 4597e689cf4aSJeff Kirsher val |= TX_CS_RST; 4598e689cf4aSJeff Kirsher nw64(TX_CS(channel), val); 4599e689cf4aSJeff Kirsher 4600e689cf4aSJeff Kirsher err = niu_tx_cs_reset_poll(np, channel); 4601e689cf4aSJeff Kirsher if (!err) 4602e689cf4aSJeff Kirsher nw64(TX_RING_KICK(channel), 0); 4603e689cf4aSJeff Kirsher 4604e689cf4aSJeff Kirsher return err; 4605e689cf4aSJeff Kirsher } 4606e689cf4aSJeff Kirsher 4607e689cf4aSJeff Kirsher static int niu_tx_channel_lpage_init(struct niu *np, int channel) 4608e689cf4aSJeff Kirsher { 4609e689cf4aSJeff Kirsher u64 val; 4610e689cf4aSJeff Kirsher 4611e689cf4aSJeff Kirsher nw64(TX_LOG_MASK1(channel), 0); 4612e689cf4aSJeff Kirsher nw64(TX_LOG_VAL1(channel), 0); 4613e689cf4aSJeff Kirsher nw64(TX_LOG_MASK2(channel), 0); 4614e689cf4aSJeff Kirsher nw64(TX_LOG_VAL2(channel), 0); 4615e689cf4aSJeff Kirsher nw64(TX_LOG_PAGE_RELO1(channel), 0); 4616e689cf4aSJeff Kirsher nw64(TX_LOG_PAGE_RELO2(channel), 0); 4617e689cf4aSJeff Kirsher nw64(TX_LOG_PAGE_HDL(channel), 0); 4618e689cf4aSJeff Kirsher 4619e689cf4aSJeff Kirsher val = (u64)np->port << TX_LOG_PAGE_VLD_FUNC_SHIFT; 4620e689cf4aSJeff Kirsher val |= (TX_LOG_PAGE_VLD_PAGE0 | TX_LOG_PAGE_VLD_PAGE1); 4621e689cf4aSJeff Kirsher nw64(TX_LOG_PAGE_VLD(channel), val); 4622e689cf4aSJeff Kirsher 4623e689cf4aSJeff Kirsher /* XXX TXDMA 32bit mode? XXX */ 4624e689cf4aSJeff Kirsher 4625e689cf4aSJeff Kirsher return 0; 4626e689cf4aSJeff Kirsher } 4627e689cf4aSJeff Kirsher 4628e689cf4aSJeff Kirsher static void niu_txc_enable_port(struct niu *np, int on) 4629e689cf4aSJeff Kirsher { 4630e689cf4aSJeff Kirsher unsigned long flags; 4631e689cf4aSJeff Kirsher u64 val, mask; 4632e689cf4aSJeff Kirsher 4633e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 4634e689cf4aSJeff Kirsher val = nr64(TXC_CONTROL); 4635e689cf4aSJeff Kirsher mask = (u64)1 << np->port; 4636e689cf4aSJeff Kirsher if (on) { 4637e689cf4aSJeff Kirsher val |= TXC_CONTROL_ENABLE | mask; 4638e689cf4aSJeff Kirsher } else { 4639e689cf4aSJeff Kirsher val &= ~mask; 4640e689cf4aSJeff Kirsher if ((val & ~TXC_CONTROL_ENABLE) == 0) 4641e689cf4aSJeff Kirsher val &= ~TXC_CONTROL_ENABLE; 4642e689cf4aSJeff Kirsher } 4643e689cf4aSJeff Kirsher nw64(TXC_CONTROL, val); 4644e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 4645e689cf4aSJeff Kirsher } 4646e689cf4aSJeff Kirsher 4647e689cf4aSJeff Kirsher static void niu_txc_set_imask(struct niu *np, u64 imask) 4648e689cf4aSJeff Kirsher { 4649e689cf4aSJeff Kirsher unsigned long flags; 4650e689cf4aSJeff Kirsher u64 val; 4651e689cf4aSJeff Kirsher 4652e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 4653e689cf4aSJeff Kirsher val = nr64(TXC_INT_MASK); 4654e689cf4aSJeff Kirsher val &= ~TXC_INT_MASK_VAL(np->port); 4655e689cf4aSJeff Kirsher val |= (imask << TXC_INT_MASK_VAL_SHIFT(np->port)); 4656e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 4657e689cf4aSJeff Kirsher } 4658e689cf4aSJeff Kirsher 4659e689cf4aSJeff Kirsher static void niu_txc_port_dma_enable(struct niu *np, int on) 4660e689cf4aSJeff Kirsher { 4661e689cf4aSJeff Kirsher u64 val = 0; 4662e689cf4aSJeff Kirsher 4663e689cf4aSJeff Kirsher if (on) { 4664e689cf4aSJeff Kirsher int i; 4665e689cf4aSJeff Kirsher 4666e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) 4667e689cf4aSJeff Kirsher val |= (1 << np->tx_rings[i].tx_channel); 4668e689cf4aSJeff Kirsher } 4669e689cf4aSJeff Kirsher nw64(TXC_PORT_DMA(np->port), val); 4670e689cf4aSJeff Kirsher } 4671e689cf4aSJeff Kirsher 4672e689cf4aSJeff Kirsher static int niu_init_one_tx_channel(struct niu *np, struct tx_ring_info *rp) 4673e689cf4aSJeff Kirsher { 4674e689cf4aSJeff Kirsher int err, channel = rp->tx_channel; 4675e689cf4aSJeff Kirsher u64 val, ring_len; 4676e689cf4aSJeff Kirsher 4677e689cf4aSJeff Kirsher err = niu_tx_channel_stop(np, channel); 4678e689cf4aSJeff Kirsher if (err) 4679e689cf4aSJeff Kirsher return err; 4680e689cf4aSJeff Kirsher 4681e689cf4aSJeff Kirsher err = niu_tx_channel_reset(np, channel); 4682e689cf4aSJeff Kirsher if (err) 4683e689cf4aSJeff Kirsher return err; 4684e689cf4aSJeff Kirsher 4685e689cf4aSJeff Kirsher err = niu_tx_channel_lpage_init(np, channel); 4686e689cf4aSJeff Kirsher if (err) 4687e689cf4aSJeff Kirsher return err; 4688e689cf4aSJeff Kirsher 4689e689cf4aSJeff Kirsher nw64(TXC_DMA_MAX(channel), rp->max_burst); 4690e689cf4aSJeff Kirsher nw64(TX_ENT_MSK(channel), 0); 4691e689cf4aSJeff Kirsher 4692e689cf4aSJeff Kirsher if (rp->descr_dma & ~(TX_RNG_CFIG_STADDR_BASE | 4693e689cf4aSJeff Kirsher TX_RNG_CFIG_STADDR)) { 4694e689cf4aSJeff Kirsher netdev_err(np->dev, "TX ring channel %d DMA addr (%llx) is not aligned\n", 4695e689cf4aSJeff Kirsher channel, (unsigned long long)rp->descr_dma); 4696e689cf4aSJeff Kirsher return -EINVAL; 4697e689cf4aSJeff Kirsher } 4698e689cf4aSJeff Kirsher 4699e689cf4aSJeff Kirsher /* The length field in TX_RNG_CFIG is measured in 64-byte 4700e689cf4aSJeff Kirsher * blocks. rp->pending is the number of TX descriptors in 4701e689cf4aSJeff Kirsher * our ring, 8 bytes each, thus we divide by 8 bytes more 4702e689cf4aSJeff Kirsher * to get the proper value the chip wants. 4703e689cf4aSJeff Kirsher */ 4704e689cf4aSJeff Kirsher ring_len = (rp->pending / 8); 4705e689cf4aSJeff Kirsher 4706e689cf4aSJeff Kirsher val = ((ring_len << TX_RNG_CFIG_LEN_SHIFT) | 4707e689cf4aSJeff Kirsher rp->descr_dma); 4708e689cf4aSJeff Kirsher nw64(TX_RNG_CFIG(channel), val); 4709e689cf4aSJeff Kirsher 4710e689cf4aSJeff Kirsher if (((rp->mbox_dma >> 32) & ~TXDMA_MBH_MBADDR) || 4711e689cf4aSJeff Kirsher ((u32)rp->mbox_dma & ~TXDMA_MBL_MBADDR)) { 4712e689cf4aSJeff Kirsher netdev_err(np->dev, "TX ring channel %d MBOX addr (%llx) has invalid bits\n", 4713e689cf4aSJeff Kirsher channel, (unsigned long long)rp->mbox_dma); 4714e689cf4aSJeff Kirsher return -EINVAL; 4715e689cf4aSJeff Kirsher } 4716e689cf4aSJeff Kirsher nw64(TXDMA_MBH(channel), rp->mbox_dma >> 32); 4717e689cf4aSJeff Kirsher nw64(TXDMA_MBL(channel), rp->mbox_dma & TXDMA_MBL_MBADDR); 4718e689cf4aSJeff Kirsher 4719e689cf4aSJeff Kirsher nw64(TX_CS(channel), 0); 4720e689cf4aSJeff Kirsher 4721e689cf4aSJeff Kirsher rp->last_pkt_cnt = 0; 4722e689cf4aSJeff Kirsher 4723e689cf4aSJeff Kirsher return 0; 4724e689cf4aSJeff Kirsher } 4725e689cf4aSJeff Kirsher 4726e689cf4aSJeff Kirsher static void niu_init_rdc_groups(struct niu *np) 4727e689cf4aSJeff Kirsher { 4728e689cf4aSJeff Kirsher struct niu_rdc_tables *tp = &np->parent->rdc_group_cfg[np->port]; 4729e689cf4aSJeff Kirsher int i, first_table_num = tp->first_table_num; 4730e689cf4aSJeff Kirsher 4731e689cf4aSJeff Kirsher for (i = 0; i < tp->num_tables; i++) { 4732e689cf4aSJeff Kirsher struct rdc_table *tbl = &tp->tables[i]; 4733e689cf4aSJeff Kirsher int this_table = first_table_num + i; 4734e689cf4aSJeff Kirsher int slot; 4735e689cf4aSJeff Kirsher 4736e689cf4aSJeff Kirsher for (slot = 0; slot < NIU_RDC_TABLE_SLOTS; slot++) 4737e689cf4aSJeff Kirsher nw64(RDC_TBL(this_table, slot), 4738e689cf4aSJeff Kirsher tbl->rxdma_channel[slot]); 4739e689cf4aSJeff Kirsher } 4740e689cf4aSJeff Kirsher 4741e689cf4aSJeff Kirsher nw64(DEF_RDC(np->port), np->parent->rdc_default[np->port]); 4742e689cf4aSJeff Kirsher } 4743e689cf4aSJeff Kirsher 4744e689cf4aSJeff Kirsher static void niu_init_drr_weight(struct niu *np) 4745e689cf4aSJeff Kirsher { 4746e689cf4aSJeff Kirsher int type = phy_decode(np->parent->port_phy, np->port); 4747e689cf4aSJeff Kirsher u64 val; 4748e689cf4aSJeff Kirsher 4749e689cf4aSJeff Kirsher switch (type) { 4750e689cf4aSJeff Kirsher case PORT_TYPE_10G: 4751e689cf4aSJeff Kirsher val = PT_DRR_WEIGHT_DEFAULT_10G; 4752e689cf4aSJeff Kirsher break; 4753e689cf4aSJeff Kirsher 4754e689cf4aSJeff Kirsher case PORT_TYPE_1G: 4755e689cf4aSJeff Kirsher default: 4756e689cf4aSJeff Kirsher val = PT_DRR_WEIGHT_DEFAULT_1G; 4757e689cf4aSJeff Kirsher break; 4758e689cf4aSJeff Kirsher } 4759e689cf4aSJeff Kirsher nw64(PT_DRR_WT(np->port), val); 4760e689cf4aSJeff Kirsher } 4761e689cf4aSJeff Kirsher 4762e689cf4aSJeff Kirsher static int niu_init_hostinfo(struct niu *np) 4763e689cf4aSJeff Kirsher { 4764e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 4765e689cf4aSJeff Kirsher struct niu_rdc_tables *tp = &parent->rdc_group_cfg[np->port]; 4766e689cf4aSJeff Kirsher int i, err, num_alt = niu_num_alt_addr(np); 4767e689cf4aSJeff Kirsher int first_rdc_table = tp->first_table_num; 4768e689cf4aSJeff Kirsher 4769e689cf4aSJeff Kirsher err = niu_set_primary_mac_rdc_table(np, first_rdc_table, 1); 4770e689cf4aSJeff Kirsher if (err) 4771e689cf4aSJeff Kirsher return err; 4772e689cf4aSJeff Kirsher 4773e689cf4aSJeff Kirsher err = niu_set_multicast_mac_rdc_table(np, first_rdc_table, 1); 4774e689cf4aSJeff Kirsher if (err) 4775e689cf4aSJeff Kirsher return err; 4776e689cf4aSJeff Kirsher 4777e689cf4aSJeff Kirsher for (i = 0; i < num_alt; i++) { 4778e689cf4aSJeff Kirsher err = niu_set_alt_mac_rdc_table(np, i, first_rdc_table, 1); 4779e689cf4aSJeff Kirsher if (err) 4780e689cf4aSJeff Kirsher return err; 4781e689cf4aSJeff Kirsher } 4782e689cf4aSJeff Kirsher 4783e689cf4aSJeff Kirsher return 0; 4784e689cf4aSJeff Kirsher } 4785e689cf4aSJeff Kirsher 4786e689cf4aSJeff Kirsher static int niu_rx_channel_reset(struct niu *np, int channel) 4787e689cf4aSJeff Kirsher { 4788e689cf4aSJeff Kirsher return niu_set_and_wait_clear(np, RXDMA_CFIG1(channel), 4789e689cf4aSJeff Kirsher RXDMA_CFIG1_RST, 1000, 10, 4790e689cf4aSJeff Kirsher "RXDMA_CFIG1"); 4791e689cf4aSJeff Kirsher } 4792e689cf4aSJeff Kirsher 4793e689cf4aSJeff Kirsher static int niu_rx_channel_lpage_init(struct niu *np, int channel) 4794e689cf4aSJeff Kirsher { 4795e689cf4aSJeff Kirsher u64 val; 4796e689cf4aSJeff Kirsher 4797e689cf4aSJeff Kirsher nw64(RX_LOG_MASK1(channel), 0); 4798e689cf4aSJeff Kirsher nw64(RX_LOG_VAL1(channel), 0); 4799e689cf4aSJeff Kirsher nw64(RX_LOG_MASK2(channel), 0); 4800e689cf4aSJeff Kirsher nw64(RX_LOG_VAL2(channel), 0); 4801e689cf4aSJeff Kirsher nw64(RX_LOG_PAGE_RELO1(channel), 0); 4802e689cf4aSJeff Kirsher nw64(RX_LOG_PAGE_RELO2(channel), 0); 4803e689cf4aSJeff Kirsher nw64(RX_LOG_PAGE_HDL(channel), 0); 4804e689cf4aSJeff Kirsher 4805e689cf4aSJeff Kirsher val = (u64)np->port << RX_LOG_PAGE_VLD_FUNC_SHIFT; 4806e689cf4aSJeff Kirsher val |= (RX_LOG_PAGE_VLD_PAGE0 | RX_LOG_PAGE_VLD_PAGE1); 4807e689cf4aSJeff Kirsher nw64(RX_LOG_PAGE_VLD(channel), val); 4808e689cf4aSJeff Kirsher 4809e689cf4aSJeff Kirsher return 0; 4810e689cf4aSJeff Kirsher } 4811e689cf4aSJeff Kirsher 4812e689cf4aSJeff Kirsher static void niu_rx_channel_wred_init(struct niu *np, struct rx_ring_info *rp) 4813e689cf4aSJeff Kirsher { 4814e689cf4aSJeff Kirsher u64 val; 4815e689cf4aSJeff Kirsher 4816e689cf4aSJeff Kirsher val = (((u64)rp->nonsyn_window << RDC_RED_PARA_WIN_SHIFT) | 4817e689cf4aSJeff Kirsher ((u64)rp->nonsyn_threshold << RDC_RED_PARA_THRE_SHIFT) | 4818e689cf4aSJeff Kirsher ((u64)rp->syn_window << RDC_RED_PARA_WIN_SYN_SHIFT) | 4819e689cf4aSJeff Kirsher ((u64)rp->syn_threshold << RDC_RED_PARA_THRE_SYN_SHIFT)); 4820e689cf4aSJeff Kirsher nw64(RDC_RED_PARA(rp->rx_channel), val); 4821e689cf4aSJeff Kirsher } 4822e689cf4aSJeff Kirsher 4823e689cf4aSJeff Kirsher static int niu_compute_rbr_cfig_b(struct rx_ring_info *rp, u64 *ret) 4824e689cf4aSJeff Kirsher { 4825e689cf4aSJeff Kirsher u64 val = 0; 4826e689cf4aSJeff Kirsher 4827e689cf4aSJeff Kirsher *ret = 0; 4828e689cf4aSJeff Kirsher switch (rp->rbr_block_size) { 4829e689cf4aSJeff Kirsher case 4 * 1024: 4830e689cf4aSJeff Kirsher val |= (RBR_BLKSIZE_4K << RBR_CFIG_B_BLKSIZE_SHIFT); 4831e689cf4aSJeff Kirsher break; 4832e689cf4aSJeff Kirsher case 8 * 1024: 4833e689cf4aSJeff Kirsher val |= (RBR_BLKSIZE_8K << RBR_CFIG_B_BLKSIZE_SHIFT); 4834e689cf4aSJeff Kirsher break; 4835e689cf4aSJeff Kirsher case 16 * 1024: 4836e689cf4aSJeff Kirsher val |= (RBR_BLKSIZE_16K << RBR_CFIG_B_BLKSIZE_SHIFT); 4837e689cf4aSJeff Kirsher break; 4838e689cf4aSJeff Kirsher case 32 * 1024: 4839e689cf4aSJeff Kirsher val |= (RBR_BLKSIZE_32K << RBR_CFIG_B_BLKSIZE_SHIFT); 4840e689cf4aSJeff Kirsher break; 4841e689cf4aSJeff Kirsher default: 4842e689cf4aSJeff Kirsher return -EINVAL; 4843e689cf4aSJeff Kirsher } 4844e689cf4aSJeff Kirsher val |= RBR_CFIG_B_VLD2; 4845e689cf4aSJeff Kirsher switch (rp->rbr_sizes[2]) { 4846e689cf4aSJeff Kirsher case 2 * 1024: 4847e689cf4aSJeff Kirsher val |= (RBR_BUFSZ2_2K << RBR_CFIG_B_BUFSZ2_SHIFT); 4848e689cf4aSJeff Kirsher break; 4849e689cf4aSJeff Kirsher case 4 * 1024: 4850e689cf4aSJeff Kirsher val |= (RBR_BUFSZ2_4K << RBR_CFIG_B_BUFSZ2_SHIFT); 4851e689cf4aSJeff Kirsher break; 4852e689cf4aSJeff Kirsher case 8 * 1024: 4853e689cf4aSJeff Kirsher val |= (RBR_BUFSZ2_8K << RBR_CFIG_B_BUFSZ2_SHIFT); 4854e689cf4aSJeff Kirsher break; 4855e689cf4aSJeff Kirsher case 16 * 1024: 4856e689cf4aSJeff Kirsher val |= (RBR_BUFSZ2_16K << RBR_CFIG_B_BUFSZ2_SHIFT); 4857e689cf4aSJeff Kirsher break; 4858e689cf4aSJeff Kirsher 4859e689cf4aSJeff Kirsher default: 4860e689cf4aSJeff Kirsher return -EINVAL; 4861e689cf4aSJeff Kirsher } 4862e689cf4aSJeff Kirsher val |= RBR_CFIG_B_VLD1; 4863e689cf4aSJeff Kirsher switch (rp->rbr_sizes[1]) { 4864e689cf4aSJeff Kirsher case 1 * 1024: 4865e689cf4aSJeff Kirsher val |= (RBR_BUFSZ1_1K << RBR_CFIG_B_BUFSZ1_SHIFT); 4866e689cf4aSJeff Kirsher break; 4867e689cf4aSJeff Kirsher case 2 * 1024: 4868e689cf4aSJeff Kirsher val |= (RBR_BUFSZ1_2K << RBR_CFIG_B_BUFSZ1_SHIFT); 4869e689cf4aSJeff Kirsher break; 4870e689cf4aSJeff Kirsher case 4 * 1024: 4871e689cf4aSJeff Kirsher val |= (RBR_BUFSZ1_4K << RBR_CFIG_B_BUFSZ1_SHIFT); 4872e689cf4aSJeff Kirsher break; 4873e689cf4aSJeff Kirsher case 8 * 1024: 4874e689cf4aSJeff Kirsher val |= (RBR_BUFSZ1_8K << RBR_CFIG_B_BUFSZ1_SHIFT); 4875e689cf4aSJeff Kirsher break; 4876e689cf4aSJeff Kirsher 4877e689cf4aSJeff Kirsher default: 4878e689cf4aSJeff Kirsher return -EINVAL; 4879e689cf4aSJeff Kirsher } 4880e689cf4aSJeff Kirsher val |= RBR_CFIG_B_VLD0; 4881e689cf4aSJeff Kirsher switch (rp->rbr_sizes[0]) { 4882e689cf4aSJeff Kirsher case 256: 4883e689cf4aSJeff Kirsher val |= (RBR_BUFSZ0_256 << RBR_CFIG_B_BUFSZ0_SHIFT); 4884e689cf4aSJeff Kirsher break; 4885e689cf4aSJeff Kirsher case 512: 4886e689cf4aSJeff Kirsher val |= (RBR_BUFSZ0_512 << RBR_CFIG_B_BUFSZ0_SHIFT); 4887e689cf4aSJeff Kirsher break; 4888e689cf4aSJeff Kirsher case 1 * 1024: 4889e689cf4aSJeff Kirsher val |= (RBR_BUFSZ0_1K << RBR_CFIG_B_BUFSZ0_SHIFT); 4890e689cf4aSJeff Kirsher break; 4891e689cf4aSJeff Kirsher case 2 * 1024: 4892e689cf4aSJeff Kirsher val |= (RBR_BUFSZ0_2K << RBR_CFIG_B_BUFSZ0_SHIFT); 4893e689cf4aSJeff Kirsher break; 4894e689cf4aSJeff Kirsher 4895e689cf4aSJeff Kirsher default: 4896e689cf4aSJeff Kirsher return -EINVAL; 4897e689cf4aSJeff Kirsher } 4898e689cf4aSJeff Kirsher 4899e689cf4aSJeff Kirsher *ret = val; 4900e689cf4aSJeff Kirsher return 0; 4901e689cf4aSJeff Kirsher } 4902e689cf4aSJeff Kirsher 4903e689cf4aSJeff Kirsher static int niu_enable_rx_channel(struct niu *np, int channel, int on) 4904e689cf4aSJeff Kirsher { 4905e689cf4aSJeff Kirsher u64 val = nr64(RXDMA_CFIG1(channel)); 4906e689cf4aSJeff Kirsher int limit; 4907e689cf4aSJeff Kirsher 4908e689cf4aSJeff Kirsher if (on) 4909e689cf4aSJeff Kirsher val |= RXDMA_CFIG1_EN; 4910e689cf4aSJeff Kirsher else 4911e689cf4aSJeff Kirsher val &= ~RXDMA_CFIG1_EN; 4912e689cf4aSJeff Kirsher nw64(RXDMA_CFIG1(channel), val); 4913e689cf4aSJeff Kirsher 4914e689cf4aSJeff Kirsher limit = 1000; 4915e689cf4aSJeff Kirsher while (--limit > 0) { 4916e689cf4aSJeff Kirsher if (nr64(RXDMA_CFIG1(channel)) & RXDMA_CFIG1_QST) 4917e689cf4aSJeff Kirsher break; 4918e689cf4aSJeff Kirsher udelay(10); 4919e689cf4aSJeff Kirsher } 4920e689cf4aSJeff Kirsher if (limit <= 0) 4921e689cf4aSJeff Kirsher return -ENODEV; 4922e689cf4aSJeff Kirsher return 0; 4923e689cf4aSJeff Kirsher } 4924e689cf4aSJeff Kirsher 4925e689cf4aSJeff Kirsher static int niu_init_one_rx_channel(struct niu *np, struct rx_ring_info *rp) 4926e689cf4aSJeff Kirsher { 4927e689cf4aSJeff Kirsher int err, channel = rp->rx_channel; 4928e689cf4aSJeff Kirsher u64 val; 4929e689cf4aSJeff Kirsher 4930e689cf4aSJeff Kirsher err = niu_rx_channel_reset(np, channel); 4931e689cf4aSJeff Kirsher if (err) 4932e689cf4aSJeff Kirsher return err; 4933e689cf4aSJeff Kirsher 4934e689cf4aSJeff Kirsher err = niu_rx_channel_lpage_init(np, channel); 4935e689cf4aSJeff Kirsher if (err) 4936e689cf4aSJeff Kirsher return err; 4937e689cf4aSJeff Kirsher 4938e689cf4aSJeff Kirsher niu_rx_channel_wred_init(np, rp); 4939e689cf4aSJeff Kirsher 4940e689cf4aSJeff Kirsher nw64(RX_DMA_ENT_MSK(channel), RX_DMA_ENT_MSK_RBR_EMPTY); 4941e689cf4aSJeff Kirsher nw64(RX_DMA_CTL_STAT(channel), 4942e689cf4aSJeff Kirsher (RX_DMA_CTL_STAT_MEX | 4943e689cf4aSJeff Kirsher RX_DMA_CTL_STAT_RCRTHRES | 4944e689cf4aSJeff Kirsher RX_DMA_CTL_STAT_RCRTO | 4945e689cf4aSJeff Kirsher RX_DMA_CTL_STAT_RBR_EMPTY)); 4946e689cf4aSJeff Kirsher nw64(RXDMA_CFIG1(channel), rp->mbox_dma >> 32); 4947e689cf4aSJeff Kirsher nw64(RXDMA_CFIG2(channel), 4948e689cf4aSJeff Kirsher ((rp->mbox_dma & RXDMA_CFIG2_MBADDR_L) | 4949e689cf4aSJeff Kirsher RXDMA_CFIG2_FULL_HDR)); 4950e689cf4aSJeff Kirsher nw64(RBR_CFIG_A(channel), 4951e689cf4aSJeff Kirsher ((u64)rp->rbr_table_size << RBR_CFIG_A_LEN_SHIFT) | 4952e689cf4aSJeff Kirsher (rp->rbr_dma & (RBR_CFIG_A_STADDR_BASE | RBR_CFIG_A_STADDR))); 4953e689cf4aSJeff Kirsher err = niu_compute_rbr_cfig_b(rp, &val); 4954e689cf4aSJeff Kirsher if (err) 4955e689cf4aSJeff Kirsher return err; 4956e689cf4aSJeff Kirsher nw64(RBR_CFIG_B(channel), val); 4957e689cf4aSJeff Kirsher nw64(RCRCFIG_A(channel), 4958e689cf4aSJeff Kirsher ((u64)rp->rcr_table_size << RCRCFIG_A_LEN_SHIFT) | 4959e689cf4aSJeff Kirsher (rp->rcr_dma & (RCRCFIG_A_STADDR_BASE | RCRCFIG_A_STADDR))); 4960e689cf4aSJeff Kirsher nw64(RCRCFIG_B(channel), 4961e689cf4aSJeff Kirsher ((u64)rp->rcr_pkt_threshold << RCRCFIG_B_PTHRES_SHIFT) | 4962e689cf4aSJeff Kirsher RCRCFIG_B_ENTOUT | 4963e689cf4aSJeff Kirsher ((u64)rp->rcr_timeout << RCRCFIG_B_TIMEOUT_SHIFT)); 4964e689cf4aSJeff Kirsher 4965e689cf4aSJeff Kirsher err = niu_enable_rx_channel(np, channel, 1); 4966e689cf4aSJeff Kirsher if (err) 4967e689cf4aSJeff Kirsher return err; 4968e689cf4aSJeff Kirsher 4969e689cf4aSJeff Kirsher nw64(RBR_KICK(channel), rp->rbr_index); 4970e689cf4aSJeff Kirsher 4971e689cf4aSJeff Kirsher val = nr64(RX_DMA_CTL_STAT(channel)); 4972e689cf4aSJeff Kirsher val |= RX_DMA_CTL_STAT_RBR_EMPTY; 4973e689cf4aSJeff Kirsher nw64(RX_DMA_CTL_STAT(channel), val); 4974e689cf4aSJeff Kirsher 4975e689cf4aSJeff Kirsher return 0; 4976e689cf4aSJeff Kirsher } 4977e689cf4aSJeff Kirsher 4978e689cf4aSJeff Kirsher static int niu_init_rx_channels(struct niu *np) 4979e689cf4aSJeff Kirsher { 4980e689cf4aSJeff Kirsher unsigned long flags; 4981e689cf4aSJeff Kirsher u64 seed = jiffies_64; 4982e689cf4aSJeff Kirsher int err, i; 4983e689cf4aSJeff Kirsher 4984e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 4985e689cf4aSJeff Kirsher nw64(RX_DMA_CK_DIV, np->parent->rxdma_clock_divider); 4986e689cf4aSJeff Kirsher nw64(RED_RAN_INIT, RED_RAN_INIT_OPMODE | (seed & RED_RAN_INIT_VAL)); 4987e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 4988e689cf4aSJeff Kirsher 4989e689cf4aSJeff Kirsher /* XXX RXDMA 32bit mode? XXX */ 4990e689cf4aSJeff Kirsher 4991e689cf4aSJeff Kirsher niu_init_rdc_groups(np); 4992e689cf4aSJeff Kirsher niu_init_drr_weight(np); 4993e689cf4aSJeff Kirsher 4994e689cf4aSJeff Kirsher err = niu_init_hostinfo(np); 4995e689cf4aSJeff Kirsher if (err) 4996e689cf4aSJeff Kirsher return err; 4997e689cf4aSJeff Kirsher 4998e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 4999e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 5000e689cf4aSJeff Kirsher 5001e689cf4aSJeff Kirsher err = niu_init_one_rx_channel(np, rp); 5002e689cf4aSJeff Kirsher if (err) 5003e689cf4aSJeff Kirsher return err; 5004e689cf4aSJeff Kirsher } 5005e689cf4aSJeff Kirsher 5006e689cf4aSJeff Kirsher return 0; 5007e689cf4aSJeff Kirsher } 5008e689cf4aSJeff Kirsher 5009e689cf4aSJeff Kirsher static int niu_set_ip_frag_rule(struct niu *np) 5010e689cf4aSJeff Kirsher { 5011e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 5012e689cf4aSJeff Kirsher struct niu_classifier *cp = &np->clas; 5013e689cf4aSJeff Kirsher struct niu_tcam_entry *tp; 5014e689cf4aSJeff Kirsher int index, err; 5015e689cf4aSJeff Kirsher 5016e689cf4aSJeff Kirsher index = cp->tcam_top; 5017e689cf4aSJeff Kirsher tp = &parent->tcam[index]; 5018e689cf4aSJeff Kirsher 5019e689cf4aSJeff Kirsher /* Note that the noport bit is the same in both ipv4 and 5020e689cf4aSJeff Kirsher * ipv6 format TCAM entries. 5021e689cf4aSJeff Kirsher */ 5022e689cf4aSJeff Kirsher memset(tp, 0, sizeof(*tp)); 5023e689cf4aSJeff Kirsher tp->key[1] = TCAM_V4KEY1_NOPORT; 5024e689cf4aSJeff Kirsher tp->key_mask[1] = TCAM_V4KEY1_NOPORT; 5025e689cf4aSJeff Kirsher tp->assoc_data = (TCAM_ASSOCDATA_TRES_USE_OFFSET | 5026e689cf4aSJeff Kirsher ((u64)0 << TCAM_ASSOCDATA_OFFSET_SHIFT)); 5027e689cf4aSJeff Kirsher err = tcam_write(np, index, tp->key, tp->key_mask); 5028e689cf4aSJeff Kirsher if (err) 5029e689cf4aSJeff Kirsher return err; 5030e689cf4aSJeff Kirsher err = tcam_assoc_write(np, index, tp->assoc_data); 5031e689cf4aSJeff Kirsher if (err) 5032e689cf4aSJeff Kirsher return err; 5033e689cf4aSJeff Kirsher tp->valid = 1; 5034e689cf4aSJeff Kirsher cp->tcam_valid_entries++; 5035e689cf4aSJeff Kirsher 5036e689cf4aSJeff Kirsher return 0; 5037e689cf4aSJeff Kirsher } 5038e689cf4aSJeff Kirsher 5039e689cf4aSJeff Kirsher static int niu_init_classifier_hw(struct niu *np) 5040e689cf4aSJeff Kirsher { 5041e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 5042e689cf4aSJeff Kirsher struct niu_classifier *cp = &np->clas; 5043e689cf4aSJeff Kirsher int i, err; 5044e689cf4aSJeff Kirsher 5045e689cf4aSJeff Kirsher nw64(H1POLY, cp->h1_init); 5046e689cf4aSJeff Kirsher nw64(H2POLY, cp->h2_init); 5047e689cf4aSJeff Kirsher 5048e689cf4aSJeff Kirsher err = niu_init_hostinfo(np); 5049e689cf4aSJeff Kirsher if (err) 5050e689cf4aSJeff Kirsher return err; 5051e689cf4aSJeff Kirsher 5052e689cf4aSJeff Kirsher for (i = 0; i < ENET_VLAN_TBL_NUM_ENTRIES; i++) { 5053e689cf4aSJeff Kirsher struct niu_vlan_rdc *vp = &cp->vlan_mappings[i]; 5054e689cf4aSJeff Kirsher 5055e689cf4aSJeff Kirsher vlan_tbl_write(np, i, np->port, 5056e689cf4aSJeff Kirsher vp->vlan_pref, vp->rdc_num); 5057e689cf4aSJeff Kirsher } 5058e689cf4aSJeff Kirsher 5059e689cf4aSJeff Kirsher for (i = 0; i < cp->num_alt_mac_mappings; i++) { 5060e689cf4aSJeff Kirsher struct niu_altmac_rdc *ap = &cp->alt_mac_mappings[i]; 5061e689cf4aSJeff Kirsher 5062e689cf4aSJeff Kirsher err = niu_set_alt_mac_rdc_table(np, ap->alt_mac_num, 5063e689cf4aSJeff Kirsher ap->rdc_num, ap->mac_pref); 5064e689cf4aSJeff Kirsher if (err) 5065e689cf4aSJeff Kirsher return err; 5066e689cf4aSJeff Kirsher } 5067e689cf4aSJeff Kirsher 5068e689cf4aSJeff Kirsher for (i = CLASS_CODE_USER_PROG1; i <= CLASS_CODE_SCTP_IPV6; i++) { 5069e689cf4aSJeff Kirsher int index = i - CLASS_CODE_USER_PROG1; 5070e689cf4aSJeff Kirsher 5071e689cf4aSJeff Kirsher err = niu_set_tcam_key(np, i, parent->tcam_key[index]); 5072e689cf4aSJeff Kirsher if (err) 5073e689cf4aSJeff Kirsher return err; 5074e689cf4aSJeff Kirsher err = niu_set_flow_key(np, i, parent->flow_key[index]); 5075e689cf4aSJeff Kirsher if (err) 5076e689cf4aSJeff Kirsher return err; 5077e689cf4aSJeff Kirsher } 5078e689cf4aSJeff Kirsher 5079e689cf4aSJeff Kirsher err = niu_set_ip_frag_rule(np); 5080e689cf4aSJeff Kirsher if (err) 5081e689cf4aSJeff Kirsher return err; 5082e689cf4aSJeff Kirsher 5083e689cf4aSJeff Kirsher tcam_enable(np, 1); 5084e689cf4aSJeff Kirsher 5085e689cf4aSJeff Kirsher return 0; 5086e689cf4aSJeff Kirsher } 5087e689cf4aSJeff Kirsher 5088e689cf4aSJeff Kirsher static int niu_zcp_write(struct niu *np, int index, u64 *data) 5089e689cf4aSJeff Kirsher { 5090e689cf4aSJeff Kirsher nw64(ZCP_RAM_DATA0, data[0]); 5091e689cf4aSJeff Kirsher nw64(ZCP_RAM_DATA1, data[1]); 5092e689cf4aSJeff Kirsher nw64(ZCP_RAM_DATA2, data[2]); 5093e689cf4aSJeff Kirsher nw64(ZCP_RAM_DATA3, data[3]); 5094e689cf4aSJeff Kirsher nw64(ZCP_RAM_DATA4, data[4]); 5095e689cf4aSJeff Kirsher nw64(ZCP_RAM_BE, ZCP_RAM_BE_VAL); 5096e689cf4aSJeff Kirsher nw64(ZCP_RAM_ACC, 5097e689cf4aSJeff Kirsher (ZCP_RAM_ACC_WRITE | 5098e689cf4aSJeff Kirsher (0 << ZCP_RAM_ACC_ZFCID_SHIFT) | 5099e689cf4aSJeff Kirsher (ZCP_RAM_SEL_CFIFO(np->port) << ZCP_RAM_ACC_RAM_SEL_SHIFT))); 5100e689cf4aSJeff Kirsher 5101e689cf4aSJeff Kirsher return niu_wait_bits_clear(np, ZCP_RAM_ACC, ZCP_RAM_ACC_BUSY, 5102e689cf4aSJeff Kirsher 1000, 100); 5103e689cf4aSJeff Kirsher } 5104e689cf4aSJeff Kirsher 5105e689cf4aSJeff Kirsher static int niu_zcp_read(struct niu *np, int index, u64 *data) 5106e689cf4aSJeff Kirsher { 5107e689cf4aSJeff Kirsher int err; 5108e689cf4aSJeff Kirsher 5109e689cf4aSJeff Kirsher err = niu_wait_bits_clear(np, ZCP_RAM_ACC, ZCP_RAM_ACC_BUSY, 5110e689cf4aSJeff Kirsher 1000, 100); 5111e689cf4aSJeff Kirsher if (err) { 5112e689cf4aSJeff Kirsher netdev_err(np->dev, "ZCP read busy won't clear, ZCP_RAM_ACC[%llx]\n", 5113e689cf4aSJeff Kirsher (unsigned long long)nr64(ZCP_RAM_ACC)); 5114e689cf4aSJeff Kirsher return err; 5115e689cf4aSJeff Kirsher } 5116e689cf4aSJeff Kirsher 5117e689cf4aSJeff Kirsher nw64(ZCP_RAM_ACC, 5118e689cf4aSJeff Kirsher (ZCP_RAM_ACC_READ | 5119e689cf4aSJeff Kirsher (0 << ZCP_RAM_ACC_ZFCID_SHIFT) | 5120e689cf4aSJeff Kirsher (ZCP_RAM_SEL_CFIFO(np->port) << ZCP_RAM_ACC_RAM_SEL_SHIFT))); 5121e689cf4aSJeff Kirsher 5122e689cf4aSJeff Kirsher err = niu_wait_bits_clear(np, ZCP_RAM_ACC, ZCP_RAM_ACC_BUSY, 5123e689cf4aSJeff Kirsher 1000, 100); 5124e689cf4aSJeff Kirsher if (err) { 5125e689cf4aSJeff Kirsher netdev_err(np->dev, "ZCP read busy2 won't clear, ZCP_RAM_ACC[%llx]\n", 5126e689cf4aSJeff Kirsher (unsigned long long)nr64(ZCP_RAM_ACC)); 5127e689cf4aSJeff Kirsher return err; 5128e689cf4aSJeff Kirsher } 5129e689cf4aSJeff Kirsher 5130e689cf4aSJeff Kirsher data[0] = nr64(ZCP_RAM_DATA0); 5131e689cf4aSJeff Kirsher data[1] = nr64(ZCP_RAM_DATA1); 5132e689cf4aSJeff Kirsher data[2] = nr64(ZCP_RAM_DATA2); 5133e689cf4aSJeff Kirsher data[3] = nr64(ZCP_RAM_DATA3); 5134e689cf4aSJeff Kirsher data[4] = nr64(ZCP_RAM_DATA4); 5135e689cf4aSJeff Kirsher 5136e689cf4aSJeff Kirsher return 0; 5137e689cf4aSJeff Kirsher } 5138e689cf4aSJeff Kirsher 5139e689cf4aSJeff Kirsher static void niu_zcp_cfifo_reset(struct niu *np) 5140e689cf4aSJeff Kirsher { 5141e689cf4aSJeff Kirsher u64 val = nr64(RESET_CFIFO); 5142e689cf4aSJeff Kirsher 5143e689cf4aSJeff Kirsher val |= RESET_CFIFO_RST(np->port); 5144e689cf4aSJeff Kirsher nw64(RESET_CFIFO, val); 5145e689cf4aSJeff Kirsher udelay(10); 5146e689cf4aSJeff Kirsher 5147e689cf4aSJeff Kirsher val &= ~RESET_CFIFO_RST(np->port); 5148e689cf4aSJeff Kirsher nw64(RESET_CFIFO, val); 5149e689cf4aSJeff Kirsher } 5150e689cf4aSJeff Kirsher 5151e689cf4aSJeff Kirsher static int niu_init_zcp(struct niu *np) 5152e689cf4aSJeff Kirsher { 5153e689cf4aSJeff Kirsher u64 data[5], rbuf[5]; 5154e689cf4aSJeff Kirsher int i, max, err; 5155e689cf4aSJeff Kirsher 5156e689cf4aSJeff Kirsher if (np->parent->plat_type != PLAT_TYPE_NIU) { 5157e689cf4aSJeff Kirsher if (np->port == 0 || np->port == 1) 5158e689cf4aSJeff Kirsher max = ATLAS_P0_P1_CFIFO_ENTRIES; 5159e689cf4aSJeff Kirsher else 5160e689cf4aSJeff Kirsher max = ATLAS_P2_P3_CFIFO_ENTRIES; 5161e689cf4aSJeff Kirsher } else 5162e689cf4aSJeff Kirsher max = NIU_CFIFO_ENTRIES; 5163e689cf4aSJeff Kirsher 5164e689cf4aSJeff Kirsher data[0] = 0; 5165e689cf4aSJeff Kirsher data[1] = 0; 5166e689cf4aSJeff Kirsher data[2] = 0; 5167e689cf4aSJeff Kirsher data[3] = 0; 5168e689cf4aSJeff Kirsher data[4] = 0; 5169e689cf4aSJeff Kirsher 5170e689cf4aSJeff Kirsher for (i = 0; i < max; i++) { 5171e689cf4aSJeff Kirsher err = niu_zcp_write(np, i, data); 5172e689cf4aSJeff Kirsher if (err) 5173e689cf4aSJeff Kirsher return err; 5174e689cf4aSJeff Kirsher err = niu_zcp_read(np, i, rbuf); 5175e689cf4aSJeff Kirsher if (err) 5176e689cf4aSJeff Kirsher return err; 5177e689cf4aSJeff Kirsher } 5178e689cf4aSJeff Kirsher 5179e689cf4aSJeff Kirsher niu_zcp_cfifo_reset(np); 5180e689cf4aSJeff Kirsher nw64(CFIFO_ECC(np->port), 0); 5181e689cf4aSJeff Kirsher nw64(ZCP_INT_STAT, ZCP_INT_STAT_ALL); 5182e689cf4aSJeff Kirsher (void) nr64(ZCP_INT_STAT); 5183e689cf4aSJeff Kirsher nw64(ZCP_INT_MASK, ZCP_INT_MASK_ALL); 5184e689cf4aSJeff Kirsher 5185e689cf4aSJeff Kirsher return 0; 5186e689cf4aSJeff Kirsher } 5187e689cf4aSJeff Kirsher 5188e689cf4aSJeff Kirsher static void niu_ipp_write(struct niu *np, int index, u64 *data) 5189e689cf4aSJeff Kirsher { 5190e689cf4aSJeff Kirsher u64 val = nr64_ipp(IPP_CFIG); 5191e689cf4aSJeff Kirsher 5192e689cf4aSJeff Kirsher nw64_ipp(IPP_CFIG, val | IPP_CFIG_DFIFO_PIO_W); 5193e689cf4aSJeff Kirsher nw64_ipp(IPP_DFIFO_WR_PTR, index); 5194e689cf4aSJeff Kirsher nw64_ipp(IPP_DFIFO_WR0, data[0]); 5195e689cf4aSJeff Kirsher nw64_ipp(IPP_DFIFO_WR1, data[1]); 5196e689cf4aSJeff Kirsher nw64_ipp(IPP_DFIFO_WR2, data[2]); 5197e689cf4aSJeff Kirsher nw64_ipp(IPP_DFIFO_WR3, data[3]); 5198e689cf4aSJeff Kirsher nw64_ipp(IPP_DFIFO_WR4, data[4]); 5199e689cf4aSJeff Kirsher nw64_ipp(IPP_CFIG, val & ~IPP_CFIG_DFIFO_PIO_W); 5200e689cf4aSJeff Kirsher } 5201e689cf4aSJeff Kirsher 5202e689cf4aSJeff Kirsher static void niu_ipp_read(struct niu *np, int index, u64 *data) 5203e689cf4aSJeff Kirsher { 5204e689cf4aSJeff Kirsher nw64_ipp(IPP_DFIFO_RD_PTR, index); 5205e689cf4aSJeff Kirsher data[0] = nr64_ipp(IPP_DFIFO_RD0); 5206e689cf4aSJeff Kirsher data[1] = nr64_ipp(IPP_DFIFO_RD1); 5207e689cf4aSJeff Kirsher data[2] = nr64_ipp(IPP_DFIFO_RD2); 5208e689cf4aSJeff Kirsher data[3] = nr64_ipp(IPP_DFIFO_RD3); 5209e689cf4aSJeff Kirsher data[4] = nr64_ipp(IPP_DFIFO_RD4); 5210e689cf4aSJeff Kirsher } 5211e689cf4aSJeff Kirsher 5212e689cf4aSJeff Kirsher static int niu_ipp_reset(struct niu *np) 5213e689cf4aSJeff Kirsher { 5214e689cf4aSJeff Kirsher return niu_set_and_wait_clear_ipp(np, IPP_CFIG, IPP_CFIG_SOFT_RST, 5215e689cf4aSJeff Kirsher 1000, 100, "IPP_CFIG"); 5216e689cf4aSJeff Kirsher } 5217e689cf4aSJeff Kirsher 5218e689cf4aSJeff Kirsher static int niu_init_ipp(struct niu *np) 5219e689cf4aSJeff Kirsher { 5220e689cf4aSJeff Kirsher u64 data[5], rbuf[5], val; 5221e689cf4aSJeff Kirsher int i, max, err; 5222e689cf4aSJeff Kirsher 5223e689cf4aSJeff Kirsher if (np->parent->plat_type != PLAT_TYPE_NIU) { 5224e689cf4aSJeff Kirsher if (np->port == 0 || np->port == 1) 5225e689cf4aSJeff Kirsher max = ATLAS_P0_P1_DFIFO_ENTRIES; 5226e689cf4aSJeff Kirsher else 5227e689cf4aSJeff Kirsher max = ATLAS_P2_P3_DFIFO_ENTRIES; 5228e689cf4aSJeff Kirsher } else 5229e689cf4aSJeff Kirsher max = NIU_DFIFO_ENTRIES; 5230e689cf4aSJeff Kirsher 5231e689cf4aSJeff Kirsher data[0] = 0; 5232e689cf4aSJeff Kirsher data[1] = 0; 5233e689cf4aSJeff Kirsher data[2] = 0; 5234e689cf4aSJeff Kirsher data[3] = 0; 5235e689cf4aSJeff Kirsher data[4] = 0; 5236e689cf4aSJeff Kirsher 5237e689cf4aSJeff Kirsher for (i = 0; i < max; i++) { 5238e689cf4aSJeff Kirsher niu_ipp_write(np, i, data); 5239e689cf4aSJeff Kirsher niu_ipp_read(np, i, rbuf); 5240e689cf4aSJeff Kirsher } 5241e689cf4aSJeff Kirsher 5242e689cf4aSJeff Kirsher (void) nr64_ipp(IPP_INT_STAT); 5243e689cf4aSJeff Kirsher (void) nr64_ipp(IPP_INT_STAT); 5244e689cf4aSJeff Kirsher 5245e689cf4aSJeff Kirsher err = niu_ipp_reset(np); 5246e689cf4aSJeff Kirsher if (err) 5247e689cf4aSJeff Kirsher return err; 5248e689cf4aSJeff Kirsher 5249e689cf4aSJeff Kirsher (void) nr64_ipp(IPP_PKT_DIS); 5250e689cf4aSJeff Kirsher (void) nr64_ipp(IPP_BAD_CS_CNT); 5251e689cf4aSJeff Kirsher (void) nr64_ipp(IPP_ECC); 5252e689cf4aSJeff Kirsher 5253e689cf4aSJeff Kirsher (void) nr64_ipp(IPP_INT_STAT); 5254e689cf4aSJeff Kirsher 5255e689cf4aSJeff Kirsher nw64_ipp(IPP_MSK, ~IPP_MSK_ALL); 5256e689cf4aSJeff Kirsher 5257e689cf4aSJeff Kirsher val = nr64_ipp(IPP_CFIG); 5258e689cf4aSJeff Kirsher val &= ~IPP_CFIG_IP_MAX_PKT; 5259e689cf4aSJeff Kirsher val |= (IPP_CFIG_IPP_ENABLE | 5260e689cf4aSJeff Kirsher IPP_CFIG_DFIFO_ECC_EN | 5261e689cf4aSJeff Kirsher IPP_CFIG_DROP_BAD_CRC | 5262e689cf4aSJeff Kirsher IPP_CFIG_CKSUM_EN | 5263e689cf4aSJeff Kirsher (0x1ffff << IPP_CFIG_IP_MAX_PKT_SHIFT)); 5264e689cf4aSJeff Kirsher nw64_ipp(IPP_CFIG, val); 5265e689cf4aSJeff Kirsher 5266e689cf4aSJeff Kirsher return 0; 5267e689cf4aSJeff Kirsher } 5268e689cf4aSJeff Kirsher 5269e689cf4aSJeff Kirsher static void niu_handle_led(struct niu *np, int status) 5270e689cf4aSJeff Kirsher { 5271e689cf4aSJeff Kirsher u64 val; 5272e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 5273e689cf4aSJeff Kirsher 5274e689cf4aSJeff Kirsher if ((np->flags & NIU_FLAGS_10G) != 0 && 5275e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_FIBER) != 0) { 5276e689cf4aSJeff Kirsher if (status) { 5277e689cf4aSJeff Kirsher val |= XMAC_CONFIG_LED_POLARITY; 5278e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_FORCE_LED_ON; 5279e689cf4aSJeff Kirsher } else { 5280e689cf4aSJeff Kirsher val |= XMAC_CONFIG_FORCE_LED_ON; 5281e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_LED_POLARITY; 5282e689cf4aSJeff Kirsher } 5283e689cf4aSJeff Kirsher } 5284e689cf4aSJeff Kirsher 5285e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5286e689cf4aSJeff Kirsher } 5287e689cf4aSJeff Kirsher 5288e689cf4aSJeff Kirsher static void niu_init_xif_xmac(struct niu *np) 5289e689cf4aSJeff Kirsher { 5290e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 5291e689cf4aSJeff Kirsher u64 val; 5292e689cf4aSJeff Kirsher 5293e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XCVR_SERDES) { 5294e689cf4aSJeff Kirsher val = nr64(MIF_CONFIG); 5295e689cf4aSJeff Kirsher val |= MIF_CONFIG_ATCA_GE; 5296e689cf4aSJeff Kirsher nw64(MIF_CONFIG, val); 5297e689cf4aSJeff Kirsher } 5298e689cf4aSJeff Kirsher 5299e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 5300e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_SEL_POR_CLK_SRC; 5301e689cf4aSJeff Kirsher 5302e689cf4aSJeff Kirsher val |= XMAC_CONFIG_TX_OUTPUT_EN; 5303e689cf4aSJeff Kirsher 5304e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_MAC) { 5305e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_SEL_POR_CLK_SRC; 5306e689cf4aSJeff Kirsher val |= XMAC_CONFIG_LOOPBACK; 5307e689cf4aSJeff Kirsher } else { 5308e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_LOOPBACK; 5309e689cf4aSJeff Kirsher } 5310e689cf4aSJeff Kirsher 5311e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_10G) { 5312e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_LFS_DISABLE; 5313e689cf4aSJeff Kirsher } else { 5314e689cf4aSJeff Kirsher val |= XMAC_CONFIG_LFS_DISABLE; 5315e689cf4aSJeff Kirsher if (!(np->flags & NIU_FLAGS_FIBER) && 5316e689cf4aSJeff Kirsher !(np->flags & NIU_FLAGS_XCVR_SERDES)) 5317e689cf4aSJeff Kirsher val |= XMAC_CONFIG_1G_PCS_BYPASS; 5318e689cf4aSJeff Kirsher else 5319e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_1G_PCS_BYPASS; 5320e689cf4aSJeff Kirsher } 5321e689cf4aSJeff Kirsher 5322e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_10G_XPCS_BYPASS; 5323e689cf4aSJeff Kirsher 5324e689cf4aSJeff Kirsher if (lp->active_speed == SPEED_100) 5325e689cf4aSJeff Kirsher val |= XMAC_CONFIG_SEL_CLK_25MHZ; 5326e689cf4aSJeff Kirsher else 5327e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_SEL_CLK_25MHZ; 5328e689cf4aSJeff Kirsher 5329e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5330e689cf4aSJeff Kirsher 5331e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 5332e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_MODE_MASK; 5333e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_10G) { 5334e689cf4aSJeff Kirsher val |= XMAC_CONFIG_MODE_XGMII; 5335e689cf4aSJeff Kirsher } else { 5336e689cf4aSJeff Kirsher if (lp->active_speed == SPEED_1000) 5337e689cf4aSJeff Kirsher val |= XMAC_CONFIG_MODE_GMII; 5338e689cf4aSJeff Kirsher else 5339e689cf4aSJeff Kirsher val |= XMAC_CONFIG_MODE_MII; 5340e689cf4aSJeff Kirsher } 5341e689cf4aSJeff Kirsher 5342e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5343e689cf4aSJeff Kirsher } 5344e689cf4aSJeff Kirsher 5345e689cf4aSJeff Kirsher static void niu_init_xif_bmac(struct niu *np) 5346e689cf4aSJeff Kirsher { 5347e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 5348e689cf4aSJeff Kirsher u64 val; 5349e689cf4aSJeff Kirsher 5350e689cf4aSJeff Kirsher val = BMAC_XIF_CONFIG_TX_OUTPUT_EN; 5351e689cf4aSJeff Kirsher 5352e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_MAC) 5353e689cf4aSJeff Kirsher val |= BMAC_XIF_CONFIG_MII_LOOPBACK; 5354e689cf4aSJeff Kirsher else 5355e689cf4aSJeff Kirsher val &= ~BMAC_XIF_CONFIG_MII_LOOPBACK; 5356e689cf4aSJeff Kirsher 5357e689cf4aSJeff Kirsher if (lp->active_speed == SPEED_1000) 5358e689cf4aSJeff Kirsher val |= BMAC_XIF_CONFIG_GMII_MODE; 5359e689cf4aSJeff Kirsher else 5360e689cf4aSJeff Kirsher val &= ~BMAC_XIF_CONFIG_GMII_MODE; 5361e689cf4aSJeff Kirsher 5362e689cf4aSJeff Kirsher val &= ~(BMAC_XIF_CONFIG_LINK_LED | 5363e689cf4aSJeff Kirsher BMAC_XIF_CONFIG_LED_POLARITY); 5364e689cf4aSJeff Kirsher 5365e689cf4aSJeff Kirsher if (!(np->flags & NIU_FLAGS_10G) && 5366e689cf4aSJeff Kirsher !(np->flags & NIU_FLAGS_FIBER) && 5367e689cf4aSJeff Kirsher lp->active_speed == SPEED_100) 5368e689cf4aSJeff Kirsher val |= BMAC_XIF_CONFIG_25MHZ_CLOCK; 5369e689cf4aSJeff Kirsher else 5370e689cf4aSJeff Kirsher val &= ~BMAC_XIF_CONFIG_25MHZ_CLOCK; 5371e689cf4aSJeff Kirsher 5372e689cf4aSJeff Kirsher nw64_mac(BMAC_XIF_CONFIG, val); 5373e689cf4aSJeff Kirsher } 5374e689cf4aSJeff Kirsher 5375e689cf4aSJeff Kirsher static void niu_init_xif(struct niu *np) 5376e689cf4aSJeff Kirsher { 5377e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 5378e689cf4aSJeff Kirsher niu_init_xif_xmac(np); 5379e689cf4aSJeff Kirsher else 5380e689cf4aSJeff Kirsher niu_init_xif_bmac(np); 5381e689cf4aSJeff Kirsher } 5382e689cf4aSJeff Kirsher 5383e689cf4aSJeff Kirsher static void niu_pcs_mii_reset(struct niu *np) 5384e689cf4aSJeff Kirsher { 5385e689cf4aSJeff Kirsher int limit = 1000; 5386e689cf4aSJeff Kirsher u64 val = nr64_pcs(PCS_MII_CTL); 5387e689cf4aSJeff Kirsher val |= PCS_MII_CTL_RST; 5388e689cf4aSJeff Kirsher nw64_pcs(PCS_MII_CTL, val); 5389e689cf4aSJeff Kirsher while ((--limit >= 0) && (val & PCS_MII_CTL_RST)) { 5390e689cf4aSJeff Kirsher udelay(100); 5391e689cf4aSJeff Kirsher val = nr64_pcs(PCS_MII_CTL); 5392e689cf4aSJeff Kirsher } 5393e689cf4aSJeff Kirsher } 5394e689cf4aSJeff Kirsher 5395e689cf4aSJeff Kirsher static void niu_xpcs_reset(struct niu *np) 5396e689cf4aSJeff Kirsher { 5397e689cf4aSJeff Kirsher int limit = 1000; 5398e689cf4aSJeff Kirsher u64 val = nr64_xpcs(XPCS_CONTROL1); 5399e689cf4aSJeff Kirsher val |= XPCS_CONTROL1_RESET; 5400e689cf4aSJeff Kirsher nw64_xpcs(XPCS_CONTROL1, val); 5401e689cf4aSJeff Kirsher while ((--limit >= 0) && (val & XPCS_CONTROL1_RESET)) { 5402e689cf4aSJeff Kirsher udelay(100); 5403e689cf4aSJeff Kirsher val = nr64_xpcs(XPCS_CONTROL1); 5404e689cf4aSJeff Kirsher } 5405e689cf4aSJeff Kirsher } 5406e689cf4aSJeff Kirsher 5407e689cf4aSJeff Kirsher static int niu_init_pcs(struct niu *np) 5408e689cf4aSJeff Kirsher { 5409e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 5410e689cf4aSJeff Kirsher u64 val; 5411e689cf4aSJeff Kirsher 5412e689cf4aSJeff Kirsher switch (np->flags & (NIU_FLAGS_10G | 5413e689cf4aSJeff Kirsher NIU_FLAGS_FIBER | 5414e689cf4aSJeff Kirsher NIU_FLAGS_XCVR_SERDES)) { 5415e689cf4aSJeff Kirsher case NIU_FLAGS_FIBER: 5416e689cf4aSJeff Kirsher /* 1G fiber */ 5417e689cf4aSJeff Kirsher nw64_pcs(PCS_CONF, PCS_CONF_MASK | PCS_CONF_ENABLE); 5418e689cf4aSJeff Kirsher nw64_pcs(PCS_DPATH_MODE, 0); 5419e689cf4aSJeff Kirsher niu_pcs_mii_reset(np); 5420e689cf4aSJeff Kirsher break; 5421e689cf4aSJeff Kirsher 5422e689cf4aSJeff Kirsher case NIU_FLAGS_10G: 5423e689cf4aSJeff Kirsher case NIU_FLAGS_10G | NIU_FLAGS_FIBER: 5424e689cf4aSJeff Kirsher case NIU_FLAGS_10G | NIU_FLAGS_XCVR_SERDES: 5425e689cf4aSJeff Kirsher /* 10G SERDES */ 5426e689cf4aSJeff Kirsher if (!(np->flags & NIU_FLAGS_XMAC)) 5427e689cf4aSJeff Kirsher return -EINVAL; 5428e689cf4aSJeff Kirsher 5429e689cf4aSJeff Kirsher /* 10G copper or fiber */ 5430e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 5431e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_10G_XPCS_BYPASS; 5432e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5433e689cf4aSJeff Kirsher 5434e689cf4aSJeff Kirsher niu_xpcs_reset(np); 5435e689cf4aSJeff Kirsher 5436e689cf4aSJeff Kirsher val = nr64_xpcs(XPCS_CONTROL1); 5437e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) 5438e689cf4aSJeff Kirsher val |= XPCS_CONTROL1_LOOPBACK; 5439e689cf4aSJeff Kirsher else 5440e689cf4aSJeff Kirsher val &= ~XPCS_CONTROL1_LOOPBACK; 5441e689cf4aSJeff Kirsher nw64_xpcs(XPCS_CONTROL1, val); 5442e689cf4aSJeff Kirsher 5443e689cf4aSJeff Kirsher nw64_xpcs(XPCS_DESKEW_ERR_CNT, 0); 5444e689cf4aSJeff Kirsher (void) nr64_xpcs(XPCS_SYMERR_CNT01); 5445e689cf4aSJeff Kirsher (void) nr64_xpcs(XPCS_SYMERR_CNT23); 5446e689cf4aSJeff Kirsher break; 5447e689cf4aSJeff Kirsher 5448e689cf4aSJeff Kirsher 5449e689cf4aSJeff Kirsher case NIU_FLAGS_XCVR_SERDES: 5450e689cf4aSJeff Kirsher /* 1G SERDES */ 5451e689cf4aSJeff Kirsher niu_pcs_mii_reset(np); 5452e689cf4aSJeff Kirsher nw64_pcs(PCS_CONF, PCS_CONF_MASK | PCS_CONF_ENABLE); 5453e689cf4aSJeff Kirsher nw64_pcs(PCS_DPATH_MODE, 0); 5454e689cf4aSJeff Kirsher break; 5455e689cf4aSJeff Kirsher 5456e689cf4aSJeff Kirsher case 0: 5457e689cf4aSJeff Kirsher /* 1G copper */ 5458e689cf4aSJeff Kirsher case NIU_FLAGS_XCVR_SERDES | NIU_FLAGS_FIBER: 5459e689cf4aSJeff Kirsher /* 1G RGMII FIBER */ 5460e689cf4aSJeff Kirsher nw64_pcs(PCS_DPATH_MODE, PCS_DPATH_MODE_MII); 5461e689cf4aSJeff Kirsher niu_pcs_mii_reset(np); 5462e689cf4aSJeff Kirsher break; 5463e689cf4aSJeff Kirsher 5464e689cf4aSJeff Kirsher default: 5465e689cf4aSJeff Kirsher return -EINVAL; 5466e689cf4aSJeff Kirsher } 5467e689cf4aSJeff Kirsher 5468e689cf4aSJeff Kirsher return 0; 5469e689cf4aSJeff Kirsher } 5470e689cf4aSJeff Kirsher 5471e689cf4aSJeff Kirsher static int niu_reset_tx_xmac(struct niu *np) 5472e689cf4aSJeff Kirsher { 5473e689cf4aSJeff Kirsher return niu_set_and_wait_clear_mac(np, XTXMAC_SW_RST, 5474e689cf4aSJeff Kirsher (XTXMAC_SW_RST_REG_RS | 5475e689cf4aSJeff Kirsher XTXMAC_SW_RST_SOFT_RST), 5476e689cf4aSJeff Kirsher 1000, 100, "XTXMAC_SW_RST"); 5477e689cf4aSJeff Kirsher } 5478e689cf4aSJeff Kirsher 5479e689cf4aSJeff Kirsher static int niu_reset_tx_bmac(struct niu *np) 5480e689cf4aSJeff Kirsher { 5481e689cf4aSJeff Kirsher int limit; 5482e689cf4aSJeff Kirsher 5483e689cf4aSJeff Kirsher nw64_mac(BTXMAC_SW_RST, BTXMAC_SW_RST_RESET); 5484e689cf4aSJeff Kirsher limit = 1000; 5485e689cf4aSJeff Kirsher while (--limit >= 0) { 5486e689cf4aSJeff Kirsher if (!(nr64_mac(BTXMAC_SW_RST) & BTXMAC_SW_RST_RESET)) 5487e689cf4aSJeff Kirsher break; 5488e689cf4aSJeff Kirsher udelay(100); 5489e689cf4aSJeff Kirsher } 5490e689cf4aSJeff Kirsher if (limit < 0) { 5491e689cf4aSJeff Kirsher dev_err(np->device, "Port %u TX BMAC would not reset, BTXMAC_SW_RST[%llx]\n", 5492e689cf4aSJeff Kirsher np->port, 5493e689cf4aSJeff Kirsher (unsigned long long) nr64_mac(BTXMAC_SW_RST)); 5494e689cf4aSJeff Kirsher return -ENODEV; 5495e689cf4aSJeff Kirsher } 5496e689cf4aSJeff Kirsher 5497e689cf4aSJeff Kirsher return 0; 5498e689cf4aSJeff Kirsher } 5499e689cf4aSJeff Kirsher 5500e689cf4aSJeff Kirsher static int niu_reset_tx_mac(struct niu *np) 5501e689cf4aSJeff Kirsher { 5502e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 5503e689cf4aSJeff Kirsher return niu_reset_tx_xmac(np); 5504e689cf4aSJeff Kirsher else 5505e689cf4aSJeff Kirsher return niu_reset_tx_bmac(np); 5506e689cf4aSJeff Kirsher } 5507e689cf4aSJeff Kirsher 5508e689cf4aSJeff Kirsher static void niu_init_tx_xmac(struct niu *np, u64 min, u64 max) 5509e689cf4aSJeff Kirsher { 5510e689cf4aSJeff Kirsher u64 val; 5511e689cf4aSJeff Kirsher 5512e689cf4aSJeff Kirsher val = nr64_mac(XMAC_MIN); 5513e689cf4aSJeff Kirsher val &= ~(XMAC_MIN_TX_MIN_PKT_SIZE | 5514e689cf4aSJeff Kirsher XMAC_MIN_RX_MIN_PKT_SIZE); 5515e689cf4aSJeff Kirsher val |= (min << XMAC_MIN_RX_MIN_PKT_SIZE_SHFT); 5516e689cf4aSJeff Kirsher val |= (min << XMAC_MIN_TX_MIN_PKT_SIZE_SHFT); 5517e689cf4aSJeff Kirsher nw64_mac(XMAC_MIN, val); 5518e689cf4aSJeff Kirsher 5519e689cf4aSJeff Kirsher nw64_mac(XMAC_MAX, max); 5520e689cf4aSJeff Kirsher 5521e689cf4aSJeff Kirsher nw64_mac(XTXMAC_STAT_MSK, ~(u64)0); 5522e689cf4aSJeff Kirsher 5523e689cf4aSJeff Kirsher val = nr64_mac(XMAC_IPG); 5524e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_10G) { 5525e689cf4aSJeff Kirsher val &= ~XMAC_IPG_IPG_XGMII; 5526e689cf4aSJeff Kirsher val |= (IPG_12_15_XGMII << XMAC_IPG_IPG_XGMII_SHIFT); 5527e689cf4aSJeff Kirsher } else { 5528e689cf4aSJeff Kirsher val &= ~XMAC_IPG_IPG_MII_GMII; 5529e689cf4aSJeff Kirsher val |= (IPG_12_MII_GMII << XMAC_IPG_IPG_MII_GMII_SHIFT); 5530e689cf4aSJeff Kirsher } 5531e689cf4aSJeff Kirsher nw64_mac(XMAC_IPG, val); 5532e689cf4aSJeff Kirsher 5533e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 5534e689cf4aSJeff Kirsher val &= ~(XMAC_CONFIG_ALWAYS_NO_CRC | 5535e689cf4aSJeff Kirsher XMAC_CONFIG_STRETCH_MODE | 5536e689cf4aSJeff Kirsher XMAC_CONFIG_VAR_MIN_IPG_EN | 5537e689cf4aSJeff Kirsher XMAC_CONFIG_TX_ENABLE); 5538e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5539e689cf4aSJeff Kirsher 5540e689cf4aSJeff Kirsher nw64_mac(TXMAC_FRM_CNT, 0); 5541e689cf4aSJeff Kirsher nw64_mac(TXMAC_BYTE_CNT, 0); 5542e689cf4aSJeff Kirsher } 5543e689cf4aSJeff Kirsher 5544e689cf4aSJeff Kirsher static void niu_init_tx_bmac(struct niu *np, u64 min, u64 max) 5545e689cf4aSJeff Kirsher { 5546e689cf4aSJeff Kirsher u64 val; 5547e689cf4aSJeff Kirsher 5548e689cf4aSJeff Kirsher nw64_mac(BMAC_MIN_FRAME, min); 5549e689cf4aSJeff Kirsher nw64_mac(BMAC_MAX_FRAME, max); 5550e689cf4aSJeff Kirsher 5551e689cf4aSJeff Kirsher nw64_mac(BTXMAC_STATUS_MASK, ~(u64)0); 5552e689cf4aSJeff Kirsher nw64_mac(BMAC_CTRL_TYPE, 0x8808); 5553e689cf4aSJeff Kirsher nw64_mac(BMAC_PREAMBLE_SIZE, 7); 5554e689cf4aSJeff Kirsher 5555e689cf4aSJeff Kirsher val = nr64_mac(BTXMAC_CONFIG); 5556e689cf4aSJeff Kirsher val &= ~(BTXMAC_CONFIG_FCS_DISABLE | 5557e689cf4aSJeff Kirsher BTXMAC_CONFIG_ENABLE); 5558e689cf4aSJeff Kirsher nw64_mac(BTXMAC_CONFIG, val); 5559e689cf4aSJeff Kirsher } 5560e689cf4aSJeff Kirsher 5561e689cf4aSJeff Kirsher static void niu_init_tx_mac(struct niu *np) 5562e689cf4aSJeff Kirsher { 5563e689cf4aSJeff Kirsher u64 min, max; 5564e689cf4aSJeff Kirsher 5565e689cf4aSJeff Kirsher min = 64; 5566e689cf4aSJeff Kirsher if (np->dev->mtu > ETH_DATA_LEN) 5567e689cf4aSJeff Kirsher max = 9216; 5568e689cf4aSJeff Kirsher else 5569e689cf4aSJeff Kirsher max = 1522; 5570e689cf4aSJeff Kirsher 5571e689cf4aSJeff Kirsher /* The XMAC_MIN register only accepts values for TX min which 5572e689cf4aSJeff Kirsher * have the low 3 bits cleared. 5573e689cf4aSJeff Kirsher */ 5574e689cf4aSJeff Kirsher BUG_ON(min & 0x7); 5575e689cf4aSJeff Kirsher 5576e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 5577e689cf4aSJeff Kirsher niu_init_tx_xmac(np, min, max); 5578e689cf4aSJeff Kirsher else 5579e689cf4aSJeff Kirsher niu_init_tx_bmac(np, min, max); 5580e689cf4aSJeff Kirsher } 5581e689cf4aSJeff Kirsher 5582e689cf4aSJeff Kirsher static int niu_reset_rx_xmac(struct niu *np) 5583e689cf4aSJeff Kirsher { 5584e689cf4aSJeff Kirsher int limit; 5585e689cf4aSJeff Kirsher 5586e689cf4aSJeff Kirsher nw64_mac(XRXMAC_SW_RST, 5587e689cf4aSJeff Kirsher XRXMAC_SW_RST_REG_RS | XRXMAC_SW_RST_SOFT_RST); 5588e689cf4aSJeff Kirsher limit = 1000; 5589e689cf4aSJeff Kirsher while (--limit >= 0) { 5590e689cf4aSJeff Kirsher if (!(nr64_mac(XRXMAC_SW_RST) & (XRXMAC_SW_RST_REG_RS | 5591e689cf4aSJeff Kirsher XRXMAC_SW_RST_SOFT_RST))) 5592e689cf4aSJeff Kirsher break; 5593e689cf4aSJeff Kirsher udelay(100); 5594e689cf4aSJeff Kirsher } 5595e689cf4aSJeff Kirsher if (limit < 0) { 5596e689cf4aSJeff Kirsher dev_err(np->device, "Port %u RX XMAC would not reset, XRXMAC_SW_RST[%llx]\n", 5597e689cf4aSJeff Kirsher np->port, 5598e689cf4aSJeff Kirsher (unsigned long long) nr64_mac(XRXMAC_SW_RST)); 5599e689cf4aSJeff Kirsher return -ENODEV; 5600e689cf4aSJeff Kirsher } 5601e689cf4aSJeff Kirsher 5602e689cf4aSJeff Kirsher return 0; 5603e689cf4aSJeff Kirsher } 5604e689cf4aSJeff Kirsher 5605e689cf4aSJeff Kirsher static int niu_reset_rx_bmac(struct niu *np) 5606e689cf4aSJeff Kirsher { 5607e689cf4aSJeff Kirsher int limit; 5608e689cf4aSJeff Kirsher 5609e689cf4aSJeff Kirsher nw64_mac(BRXMAC_SW_RST, BRXMAC_SW_RST_RESET); 5610e689cf4aSJeff Kirsher limit = 1000; 5611e689cf4aSJeff Kirsher while (--limit >= 0) { 5612e689cf4aSJeff Kirsher if (!(nr64_mac(BRXMAC_SW_RST) & BRXMAC_SW_RST_RESET)) 5613e689cf4aSJeff Kirsher break; 5614e689cf4aSJeff Kirsher udelay(100); 5615e689cf4aSJeff Kirsher } 5616e689cf4aSJeff Kirsher if (limit < 0) { 5617e689cf4aSJeff Kirsher dev_err(np->device, "Port %u RX BMAC would not reset, BRXMAC_SW_RST[%llx]\n", 5618e689cf4aSJeff Kirsher np->port, 5619e689cf4aSJeff Kirsher (unsigned long long) nr64_mac(BRXMAC_SW_RST)); 5620e689cf4aSJeff Kirsher return -ENODEV; 5621e689cf4aSJeff Kirsher } 5622e689cf4aSJeff Kirsher 5623e689cf4aSJeff Kirsher return 0; 5624e689cf4aSJeff Kirsher } 5625e689cf4aSJeff Kirsher 5626e689cf4aSJeff Kirsher static int niu_reset_rx_mac(struct niu *np) 5627e689cf4aSJeff Kirsher { 5628e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 5629e689cf4aSJeff Kirsher return niu_reset_rx_xmac(np); 5630e689cf4aSJeff Kirsher else 5631e689cf4aSJeff Kirsher return niu_reset_rx_bmac(np); 5632e689cf4aSJeff Kirsher } 5633e689cf4aSJeff Kirsher 5634e689cf4aSJeff Kirsher static void niu_init_rx_xmac(struct niu *np) 5635e689cf4aSJeff Kirsher { 5636e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 5637e689cf4aSJeff Kirsher struct niu_rdc_tables *tp = &parent->rdc_group_cfg[np->port]; 5638e689cf4aSJeff Kirsher int first_rdc_table = tp->first_table_num; 5639e689cf4aSJeff Kirsher unsigned long i; 5640e689cf4aSJeff Kirsher u64 val; 5641e689cf4aSJeff Kirsher 5642e689cf4aSJeff Kirsher nw64_mac(XMAC_ADD_FILT0, 0); 5643e689cf4aSJeff Kirsher nw64_mac(XMAC_ADD_FILT1, 0); 5644e689cf4aSJeff Kirsher nw64_mac(XMAC_ADD_FILT2, 0); 5645e689cf4aSJeff Kirsher nw64_mac(XMAC_ADD_FILT12_MASK, 0); 5646e689cf4aSJeff Kirsher nw64_mac(XMAC_ADD_FILT00_MASK, 0); 5647e689cf4aSJeff Kirsher for (i = 0; i < MAC_NUM_HASH; i++) 5648e689cf4aSJeff Kirsher nw64_mac(XMAC_HASH_TBL(i), 0); 5649e689cf4aSJeff Kirsher nw64_mac(XRXMAC_STAT_MSK, ~(u64)0); 5650e689cf4aSJeff Kirsher niu_set_primary_mac_rdc_table(np, first_rdc_table, 1); 5651e689cf4aSJeff Kirsher niu_set_multicast_mac_rdc_table(np, first_rdc_table, 1); 5652e689cf4aSJeff Kirsher 5653e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 5654e689cf4aSJeff Kirsher val &= ~(XMAC_CONFIG_RX_MAC_ENABLE | 5655e689cf4aSJeff Kirsher XMAC_CONFIG_PROMISCUOUS | 5656e689cf4aSJeff Kirsher XMAC_CONFIG_PROMISC_GROUP | 5657e689cf4aSJeff Kirsher XMAC_CONFIG_ERR_CHK_DIS | 5658e689cf4aSJeff Kirsher XMAC_CONFIG_RX_CRC_CHK_DIS | 5659e689cf4aSJeff Kirsher XMAC_CONFIG_RESERVED_MULTICAST | 5660e689cf4aSJeff Kirsher XMAC_CONFIG_RX_CODEV_CHK_DIS | 5661e689cf4aSJeff Kirsher XMAC_CONFIG_ADDR_FILTER_EN | 5662e689cf4aSJeff Kirsher XMAC_CONFIG_RCV_PAUSE_ENABLE | 5663e689cf4aSJeff Kirsher XMAC_CONFIG_STRIP_CRC | 5664e689cf4aSJeff Kirsher XMAC_CONFIG_PASS_FLOW_CTRL | 5665e689cf4aSJeff Kirsher XMAC_CONFIG_MAC2IPP_PKT_CNT_EN); 5666e689cf4aSJeff Kirsher val |= (XMAC_CONFIG_HASH_FILTER_EN); 5667e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5668e689cf4aSJeff Kirsher 5669e689cf4aSJeff Kirsher nw64_mac(RXMAC_BT_CNT, 0); 5670e689cf4aSJeff Kirsher nw64_mac(RXMAC_BC_FRM_CNT, 0); 5671e689cf4aSJeff Kirsher nw64_mac(RXMAC_MC_FRM_CNT, 0); 5672e689cf4aSJeff Kirsher nw64_mac(RXMAC_FRAG_CNT, 0); 5673e689cf4aSJeff Kirsher nw64_mac(RXMAC_HIST_CNT1, 0); 5674e689cf4aSJeff Kirsher nw64_mac(RXMAC_HIST_CNT2, 0); 5675e689cf4aSJeff Kirsher nw64_mac(RXMAC_HIST_CNT3, 0); 5676e689cf4aSJeff Kirsher nw64_mac(RXMAC_HIST_CNT4, 0); 5677e689cf4aSJeff Kirsher nw64_mac(RXMAC_HIST_CNT5, 0); 5678e689cf4aSJeff Kirsher nw64_mac(RXMAC_HIST_CNT6, 0); 5679e689cf4aSJeff Kirsher nw64_mac(RXMAC_HIST_CNT7, 0); 5680e689cf4aSJeff Kirsher nw64_mac(RXMAC_MPSZER_CNT, 0); 5681e689cf4aSJeff Kirsher nw64_mac(RXMAC_CRC_ER_CNT, 0); 5682e689cf4aSJeff Kirsher nw64_mac(RXMAC_CD_VIO_CNT, 0); 5683e689cf4aSJeff Kirsher nw64_mac(LINK_FAULT_CNT, 0); 5684e689cf4aSJeff Kirsher } 5685e689cf4aSJeff Kirsher 5686e689cf4aSJeff Kirsher static void niu_init_rx_bmac(struct niu *np) 5687e689cf4aSJeff Kirsher { 5688e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 5689e689cf4aSJeff Kirsher struct niu_rdc_tables *tp = &parent->rdc_group_cfg[np->port]; 5690e689cf4aSJeff Kirsher int first_rdc_table = tp->first_table_num; 5691e689cf4aSJeff Kirsher unsigned long i; 5692e689cf4aSJeff Kirsher u64 val; 5693e689cf4aSJeff Kirsher 5694e689cf4aSJeff Kirsher nw64_mac(BMAC_ADD_FILT0, 0); 5695e689cf4aSJeff Kirsher nw64_mac(BMAC_ADD_FILT1, 0); 5696e689cf4aSJeff Kirsher nw64_mac(BMAC_ADD_FILT2, 0); 5697e689cf4aSJeff Kirsher nw64_mac(BMAC_ADD_FILT12_MASK, 0); 5698e689cf4aSJeff Kirsher nw64_mac(BMAC_ADD_FILT00_MASK, 0); 5699e689cf4aSJeff Kirsher for (i = 0; i < MAC_NUM_HASH; i++) 5700e689cf4aSJeff Kirsher nw64_mac(BMAC_HASH_TBL(i), 0); 5701e689cf4aSJeff Kirsher niu_set_primary_mac_rdc_table(np, first_rdc_table, 1); 5702e689cf4aSJeff Kirsher niu_set_multicast_mac_rdc_table(np, first_rdc_table, 1); 5703e689cf4aSJeff Kirsher nw64_mac(BRXMAC_STATUS_MASK, ~(u64)0); 5704e689cf4aSJeff Kirsher 5705e689cf4aSJeff Kirsher val = nr64_mac(BRXMAC_CONFIG); 5706e689cf4aSJeff Kirsher val &= ~(BRXMAC_CONFIG_ENABLE | 5707e689cf4aSJeff Kirsher BRXMAC_CONFIG_STRIP_PAD | 5708e689cf4aSJeff Kirsher BRXMAC_CONFIG_STRIP_FCS | 5709e689cf4aSJeff Kirsher BRXMAC_CONFIG_PROMISC | 5710e689cf4aSJeff Kirsher BRXMAC_CONFIG_PROMISC_GRP | 5711e689cf4aSJeff Kirsher BRXMAC_CONFIG_ADDR_FILT_EN | 5712e689cf4aSJeff Kirsher BRXMAC_CONFIG_DISCARD_DIS); 5713e689cf4aSJeff Kirsher val |= (BRXMAC_CONFIG_HASH_FILT_EN); 5714e689cf4aSJeff Kirsher nw64_mac(BRXMAC_CONFIG, val); 5715e689cf4aSJeff Kirsher 5716e689cf4aSJeff Kirsher val = nr64_mac(BMAC_ADDR_CMPEN); 5717e689cf4aSJeff Kirsher val |= BMAC_ADDR_CMPEN_EN0; 5718e689cf4aSJeff Kirsher nw64_mac(BMAC_ADDR_CMPEN, val); 5719e689cf4aSJeff Kirsher } 5720e689cf4aSJeff Kirsher 5721e689cf4aSJeff Kirsher static void niu_init_rx_mac(struct niu *np) 5722e689cf4aSJeff Kirsher { 5723e689cf4aSJeff Kirsher niu_set_primary_mac(np, np->dev->dev_addr); 5724e689cf4aSJeff Kirsher 5725e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 5726e689cf4aSJeff Kirsher niu_init_rx_xmac(np); 5727e689cf4aSJeff Kirsher else 5728e689cf4aSJeff Kirsher niu_init_rx_bmac(np); 5729e689cf4aSJeff Kirsher } 5730e689cf4aSJeff Kirsher 5731e689cf4aSJeff Kirsher static void niu_enable_tx_xmac(struct niu *np, int on) 5732e689cf4aSJeff Kirsher { 5733e689cf4aSJeff Kirsher u64 val = nr64_mac(XMAC_CONFIG); 5734e689cf4aSJeff Kirsher 5735e689cf4aSJeff Kirsher if (on) 5736e689cf4aSJeff Kirsher val |= XMAC_CONFIG_TX_ENABLE; 5737e689cf4aSJeff Kirsher else 5738e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_TX_ENABLE; 5739e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5740e689cf4aSJeff Kirsher } 5741e689cf4aSJeff Kirsher 5742e689cf4aSJeff Kirsher static void niu_enable_tx_bmac(struct niu *np, int on) 5743e689cf4aSJeff Kirsher { 5744e689cf4aSJeff Kirsher u64 val = nr64_mac(BTXMAC_CONFIG); 5745e689cf4aSJeff Kirsher 5746e689cf4aSJeff Kirsher if (on) 5747e689cf4aSJeff Kirsher val |= BTXMAC_CONFIG_ENABLE; 5748e689cf4aSJeff Kirsher else 5749e689cf4aSJeff Kirsher val &= ~BTXMAC_CONFIG_ENABLE; 5750e689cf4aSJeff Kirsher nw64_mac(BTXMAC_CONFIG, val); 5751e689cf4aSJeff Kirsher } 5752e689cf4aSJeff Kirsher 5753e689cf4aSJeff Kirsher static void niu_enable_tx_mac(struct niu *np, int on) 5754e689cf4aSJeff Kirsher { 5755e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 5756e689cf4aSJeff Kirsher niu_enable_tx_xmac(np, on); 5757e689cf4aSJeff Kirsher else 5758e689cf4aSJeff Kirsher niu_enable_tx_bmac(np, on); 5759e689cf4aSJeff Kirsher } 5760e689cf4aSJeff Kirsher 5761e689cf4aSJeff Kirsher static void niu_enable_rx_xmac(struct niu *np, int on) 5762e689cf4aSJeff Kirsher { 5763e689cf4aSJeff Kirsher u64 val = nr64_mac(XMAC_CONFIG); 5764e689cf4aSJeff Kirsher 5765e689cf4aSJeff Kirsher val &= ~(XMAC_CONFIG_HASH_FILTER_EN | 5766e689cf4aSJeff Kirsher XMAC_CONFIG_PROMISCUOUS); 5767e689cf4aSJeff Kirsher 5768e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_MCAST) 5769e689cf4aSJeff Kirsher val |= XMAC_CONFIG_HASH_FILTER_EN; 5770e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_PROMISC) 5771e689cf4aSJeff Kirsher val |= XMAC_CONFIG_PROMISCUOUS; 5772e689cf4aSJeff Kirsher 5773e689cf4aSJeff Kirsher if (on) 5774e689cf4aSJeff Kirsher val |= XMAC_CONFIG_RX_MAC_ENABLE; 5775e689cf4aSJeff Kirsher else 5776e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_RX_MAC_ENABLE; 5777e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5778e689cf4aSJeff Kirsher } 5779e689cf4aSJeff Kirsher 5780e689cf4aSJeff Kirsher static void niu_enable_rx_bmac(struct niu *np, int on) 5781e689cf4aSJeff Kirsher { 5782e689cf4aSJeff Kirsher u64 val = nr64_mac(BRXMAC_CONFIG); 5783e689cf4aSJeff Kirsher 5784e689cf4aSJeff Kirsher val &= ~(BRXMAC_CONFIG_HASH_FILT_EN | 5785e689cf4aSJeff Kirsher BRXMAC_CONFIG_PROMISC); 5786e689cf4aSJeff Kirsher 5787e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_MCAST) 5788e689cf4aSJeff Kirsher val |= BRXMAC_CONFIG_HASH_FILT_EN; 5789e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_PROMISC) 5790e689cf4aSJeff Kirsher val |= BRXMAC_CONFIG_PROMISC; 5791e689cf4aSJeff Kirsher 5792e689cf4aSJeff Kirsher if (on) 5793e689cf4aSJeff Kirsher val |= BRXMAC_CONFIG_ENABLE; 5794e689cf4aSJeff Kirsher else 5795e689cf4aSJeff Kirsher val &= ~BRXMAC_CONFIG_ENABLE; 5796e689cf4aSJeff Kirsher nw64_mac(BRXMAC_CONFIG, val); 5797e689cf4aSJeff Kirsher } 5798e689cf4aSJeff Kirsher 5799e689cf4aSJeff Kirsher static void niu_enable_rx_mac(struct niu *np, int on) 5800e689cf4aSJeff Kirsher { 5801e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 5802e689cf4aSJeff Kirsher niu_enable_rx_xmac(np, on); 5803e689cf4aSJeff Kirsher else 5804e689cf4aSJeff Kirsher niu_enable_rx_bmac(np, on); 5805e689cf4aSJeff Kirsher } 5806e689cf4aSJeff Kirsher 5807e689cf4aSJeff Kirsher static int niu_init_mac(struct niu *np) 5808e689cf4aSJeff Kirsher { 5809e689cf4aSJeff Kirsher int err; 5810e689cf4aSJeff Kirsher 5811e689cf4aSJeff Kirsher niu_init_xif(np); 5812e689cf4aSJeff Kirsher err = niu_init_pcs(np); 5813e689cf4aSJeff Kirsher if (err) 5814e689cf4aSJeff Kirsher return err; 5815e689cf4aSJeff Kirsher 5816e689cf4aSJeff Kirsher err = niu_reset_tx_mac(np); 5817e689cf4aSJeff Kirsher if (err) 5818e689cf4aSJeff Kirsher return err; 5819e689cf4aSJeff Kirsher niu_init_tx_mac(np); 5820e689cf4aSJeff Kirsher err = niu_reset_rx_mac(np); 5821e689cf4aSJeff Kirsher if (err) 5822e689cf4aSJeff Kirsher return err; 5823e689cf4aSJeff Kirsher niu_init_rx_mac(np); 5824e689cf4aSJeff Kirsher 5825e689cf4aSJeff Kirsher /* This looks hookey but the RX MAC reset we just did will 5826e689cf4aSJeff Kirsher * undo some of the state we setup in niu_init_tx_mac() so we 5827e689cf4aSJeff Kirsher * have to call it again. In particular, the RX MAC reset will 5828e689cf4aSJeff Kirsher * set the XMAC_MAX register back to it's default value. 5829e689cf4aSJeff Kirsher */ 5830e689cf4aSJeff Kirsher niu_init_tx_mac(np); 5831e689cf4aSJeff Kirsher niu_enable_tx_mac(np, 1); 5832e689cf4aSJeff Kirsher 5833e689cf4aSJeff Kirsher niu_enable_rx_mac(np, 1); 5834e689cf4aSJeff Kirsher 5835e689cf4aSJeff Kirsher return 0; 5836e689cf4aSJeff Kirsher } 5837e689cf4aSJeff Kirsher 5838e689cf4aSJeff Kirsher static void niu_stop_one_tx_channel(struct niu *np, struct tx_ring_info *rp) 5839e689cf4aSJeff Kirsher { 5840e689cf4aSJeff Kirsher (void) niu_tx_channel_stop(np, rp->tx_channel); 5841e689cf4aSJeff Kirsher } 5842e689cf4aSJeff Kirsher 5843e689cf4aSJeff Kirsher static void niu_stop_tx_channels(struct niu *np) 5844e689cf4aSJeff Kirsher { 5845e689cf4aSJeff Kirsher int i; 5846e689cf4aSJeff Kirsher 5847e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 5848e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 5849e689cf4aSJeff Kirsher 5850e689cf4aSJeff Kirsher niu_stop_one_tx_channel(np, rp); 5851e689cf4aSJeff Kirsher } 5852e689cf4aSJeff Kirsher } 5853e689cf4aSJeff Kirsher 5854e689cf4aSJeff Kirsher static void niu_reset_one_tx_channel(struct niu *np, struct tx_ring_info *rp) 5855e689cf4aSJeff Kirsher { 5856e689cf4aSJeff Kirsher (void) niu_tx_channel_reset(np, rp->tx_channel); 5857e689cf4aSJeff Kirsher } 5858e689cf4aSJeff Kirsher 5859e689cf4aSJeff Kirsher static void niu_reset_tx_channels(struct niu *np) 5860e689cf4aSJeff Kirsher { 5861e689cf4aSJeff Kirsher int i; 5862e689cf4aSJeff Kirsher 5863e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 5864e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 5865e689cf4aSJeff Kirsher 5866e689cf4aSJeff Kirsher niu_reset_one_tx_channel(np, rp); 5867e689cf4aSJeff Kirsher } 5868e689cf4aSJeff Kirsher } 5869e689cf4aSJeff Kirsher 5870e689cf4aSJeff Kirsher static void niu_stop_one_rx_channel(struct niu *np, struct rx_ring_info *rp) 5871e689cf4aSJeff Kirsher { 5872e689cf4aSJeff Kirsher (void) niu_enable_rx_channel(np, rp->rx_channel, 0); 5873e689cf4aSJeff Kirsher } 5874e689cf4aSJeff Kirsher 5875e689cf4aSJeff Kirsher static void niu_stop_rx_channels(struct niu *np) 5876e689cf4aSJeff Kirsher { 5877e689cf4aSJeff Kirsher int i; 5878e689cf4aSJeff Kirsher 5879e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 5880e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 5881e689cf4aSJeff Kirsher 5882e689cf4aSJeff Kirsher niu_stop_one_rx_channel(np, rp); 5883e689cf4aSJeff Kirsher } 5884e689cf4aSJeff Kirsher } 5885e689cf4aSJeff Kirsher 5886e689cf4aSJeff Kirsher static void niu_reset_one_rx_channel(struct niu *np, struct rx_ring_info *rp) 5887e689cf4aSJeff Kirsher { 5888e689cf4aSJeff Kirsher int channel = rp->rx_channel; 5889e689cf4aSJeff Kirsher 5890e689cf4aSJeff Kirsher (void) niu_rx_channel_reset(np, channel); 5891e689cf4aSJeff Kirsher nw64(RX_DMA_ENT_MSK(channel), RX_DMA_ENT_MSK_ALL); 5892e689cf4aSJeff Kirsher nw64(RX_DMA_CTL_STAT(channel), 0); 5893e689cf4aSJeff Kirsher (void) niu_enable_rx_channel(np, channel, 0); 5894e689cf4aSJeff Kirsher } 5895e689cf4aSJeff Kirsher 5896e689cf4aSJeff Kirsher static void niu_reset_rx_channels(struct niu *np) 5897e689cf4aSJeff Kirsher { 5898e689cf4aSJeff Kirsher int i; 5899e689cf4aSJeff Kirsher 5900e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 5901e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 5902e689cf4aSJeff Kirsher 5903e689cf4aSJeff Kirsher niu_reset_one_rx_channel(np, rp); 5904e689cf4aSJeff Kirsher } 5905e689cf4aSJeff Kirsher } 5906e689cf4aSJeff Kirsher 5907e689cf4aSJeff Kirsher static void niu_disable_ipp(struct niu *np) 5908e689cf4aSJeff Kirsher { 5909e689cf4aSJeff Kirsher u64 rd, wr, val; 5910e689cf4aSJeff Kirsher int limit; 5911e689cf4aSJeff Kirsher 5912e689cf4aSJeff Kirsher rd = nr64_ipp(IPP_DFIFO_RD_PTR); 5913e689cf4aSJeff Kirsher wr = nr64_ipp(IPP_DFIFO_WR_PTR); 5914e689cf4aSJeff Kirsher limit = 100; 5915e689cf4aSJeff Kirsher while (--limit >= 0 && (rd != wr)) { 5916e689cf4aSJeff Kirsher rd = nr64_ipp(IPP_DFIFO_RD_PTR); 5917e689cf4aSJeff Kirsher wr = nr64_ipp(IPP_DFIFO_WR_PTR); 5918e689cf4aSJeff Kirsher } 5919e689cf4aSJeff Kirsher if (limit < 0 && 5920e689cf4aSJeff Kirsher (rd != 0 && wr != 1)) { 5921e689cf4aSJeff Kirsher netdev_err(np->dev, "IPP would not quiesce, rd_ptr[%llx] wr_ptr[%llx]\n", 5922e689cf4aSJeff Kirsher (unsigned long long)nr64_ipp(IPP_DFIFO_RD_PTR), 5923e689cf4aSJeff Kirsher (unsigned long long)nr64_ipp(IPP_DFIFO_WR_PTR)); 5924e689cf4aSJeff Kirsher } 5925e689cf4aSJeff Kirsher 5926e689cf4aSJeff Kirsher val = nr64_ipp(IPP_CFIG); 5927e689cf4aSJeff Kirsher val &= ~(IPP_CFIG_IPP_ENABLE | 5928e689cf4aSJeff Kirsher IPP_CFIG_DFIFO_ECC_EN | 5929e689cf4aSJeff Kirsher IPP_CFIG_DROP_BAD_CRC | 5930e689cf4aSJeff Kirsher IPP_CFIG_CKSUM_EN); 5931e689cf4aSJeff Kirsher nw64_ipp(IPP_CFIG, val); 5932e689cf4aSJeff Kirsher 5933e689cf4aSJeff Kirsher (void) niu_ipp_reset(np); 5934e689cf4aSJeff Kirsher } 5935e689cf4aSJeff Kirsher 5936e689cf4aSJeff Kirsher static int niu_init_hw(struct niu *np) 5937e689cf4aSJeff Kirsher { 5938e689cf4aSJeff Kirsher int i, err; 5939e689cf4aSJeff Kirsher 5940e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize TXC\n"); 5941e689cf4aSJeff Kirsher niu_txc_enable_port(np, 1); 5942e689cf4aSJeff Kirsher niu_txc_port_dma_enable(np, 1); 5943e689cf4aSJeff Kirsher niu_txc_set_imask(np, 0); 5944e689cf4aSJeff Kirsher 5945e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize TX channels\n"); 5946e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 5947e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 5948e689cf4aSJeff Kirsher 5949e689cf4aSJeff Kirsher err = niu_init_one_tx_channel(np, rp); 5950e689cf4aSJeff Kirsher if (err) 5951e689cf4aSJeff Kirsher return err; 5952e689cf4aSJeff Kirsher } 5953e689cf4aSJeff Kirsher 5954e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize RX channels\n"); 5955e689cf4aSJeff Kirsher err = niu_init_rx_channels(np); 5956e689cf4aSJeff Kirsher if (err) 5957e689cf4aSJeff Kirsher goto out_uninit_tx_channels; 5958e689cf4aSJeff Kirsher 5959e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize classifier\n"); 5960e689cf4aSJeff Kirsher err = niu_init_classifier_hw(np); 5961e689cf4aSJeff Kirsher if (err) 5962e689cf4aSJeff Kirsher goto out_uninit_rx_channels; 5963e689cf4aSJeff Kirsher 5964e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize ZCP\n"); 5965e689cf4aSJeff Kirsher err = niu_init_zcp(np); 5966e689cf4aSJeff Kirsher if (err) 5967e689cf4aSJeff Kirsher goto out_uninit_rx_channels; 5968e689cf4aSJeff Kirsher 5969e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize IPP\n"); 5970e689cf4aSJeff Kirsher err = niu_init_ipp(np); 5971e689cf4aSJeff Kirsher if (err) 5972e689cf4aSJeff Kirsher goto out_uninit_rx_channels; 5973e689cf4aSJeff Kirsher 5974e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize MAC\n"); 5975e689cf4aSJeff Kirsher err = niu_init_mac(np); 5976e689cf4aSJeff Kirsher if (err) 5977e689cf4aSJeff Kirsher goto out_uninit_ipp; 5978e689cf4aSJeff Kirsher 5979e689cf4aSJeff Kirsher return 0; 5980e689cf4aSJeff Kirsher 5981e689cf4aSJeff Kirsher out_uninit_ipp: 5982e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Uninit IPP\n"); 5983e689cf4aSJeff Kirsher niu_disable_ipp(np); 5984e689cf4aSJeff Kirsher 5985e689cf4aSJeff Kirsher out_uninit_rx_channels: 5986e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Uninit RX channels\n"); 5987e689cf4aSJeff Kirsher niu_stop_rx_channels(np); 5988e689cf4aSJeff Kirsher niu_reset_rx_channels(np); 5989e689cf4aSJeff Kirsher 5990e689cf4aSJeff Kirsher out_uninit_tx_channels: 5991e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Uninit TX channels\n"); 5992e689cf4aSJeff Kirsher niu_stop_tx_channels(np); 5993e689cf4aSJeff Kirsher niu_reset_tx_channels(np); 5994e689cf4aSJeff Kirsher 5995e689cf4aSJeff Kirsher return err; 5996e689cf4aSJeff Kirsher } 5997e689cf4aSJeff Kirsher 5998e689cf4aSJeff Kirsher static void niu_stop_hw(struct niu *np) 5999e689cf4aSJeff Kirsher { 6000e689cf4aSJeff Kirsher netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Disable interrupts\n"); 6001e689cf4aSJeff Kirsher niu_enable_interrupts(np, 0); 6002e689cf4aSJeff Kirsher 6003e689cf4aSJeff Kirsher netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Disable RX MAC\n"); 6004e689cf4aSJeff Kirsher niu_enable_rx_mac(np, 0); 6005e689cf4aSJeff Kirsher 6006e689cf4aSJeff Kirsher netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Disable IPP\n"); 6007e689cf4aSJeff Kirsher niu_disable_ipp(np); 6008e689cf4aSJeff Kirsher 6009e689cf4aSJeff Kirsher netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Stop TX channels\n"); 6010e689cf4aSJeff Kirsher niu_stop_tx_channels(np); 6011e689cf4aSJeff Kirsher 6012e689cf4aSJeff Kirsher netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Stop RX channels\n"); 6013e689cf4aSJeff Kirsher niu_stop_rx_channels(np); 6014e689cf4aSJeff Kirsher 6015e689cf4aSJeff Kirsher netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Reset TX channels\n"); 6016e689cf4aSJeff Kirsher niu_reset_tx_channels(np); 6017e689cf4aSJeff Kirsher 6018e689cf4aSJeff Kirsher netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Reset RX channels\n"); 6019e689cf4aSJeff Kirsher niu_reset_rx_channels(np); 6020e689cf4aSJeff Kirsher } 6021e689cf4aSJeff Kirsher 6022e689cf4aSJeff Kirsher static void niu_set_irq_name(struct niu *np) 6023e689cf4aSJeff Kirsher { 6024e689cf4aSJeff Kirsher int port = np->port; 6025e689cf4aSJeff Kirsher int i, j = 1; 6026e689cf4aSJeff Kirsher 6027e689cf4aSJeff Kirsher sprintf(np->irq_name[0], "%s:MAC", np->dev->name); 6028e689cf4aSJeff Kirsher 6029e689cf4aSJeff Kirsher if (port == 0) { 6030e689cf4aSJeff Kirsher sprintf(np->irq_name[1], "%s:MIF", np->dev->name); 6031e689cf4aSJeff Kirsher sprintf(np->irq_name[2], "%s:SYSERR", np->dev->name); 6032e689cf4aSJeff Kirsher j = 3; 6033e689cf4aSJeff Kirsher } 6034e689cf4aSJeff Kirsher 6035e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg - j; i++) { 6036e689cf4aSJeff Kirsher if (i < np->num_rx_rings) 6037e689cf4aSJeff Kirsher sprintf(np->irq_name[i+j], "%s-rx-%d", 6038e689cf4aSJeff Kirsher np->dev->name, i); 6039e689cf4aSJeff Kirsher else if (i < np->num_tx_rings + np->num_rx_rings) 6040e689cf4aSJeff Kirsher sprintf(np->irq_name[i+j], "%s-tx-%d", np->dev->name, 6041e689cf4aSJeff Kirsher i - np->num_rx_rings); 6042e689cf4aSJeff Kirsher } 6043e689cf4aSJeff Kirsher } 6044e689cf4aSJeff Kirsher 6045e689cf4aSJeff Kirsher static int niu_request_irq(struct niu *np) 6046e689cf4aSJeff Kirsher { 6047e689cf4aSJeff Kirsher int i, j, err; 6048e689cf4aSJeff Kirsher 6049e689cf4aSJeff Kirsher niu_set_irq_name(np); 6050e689cf4aSJeff Kirsher 6051e689cf4aSJeff Kirsher err = 0; 6052e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg; i++) { 6053e689cf4aSJeff Kirsher struct niu_ldg *lp = &np->ldg[i]; 6054e689cf4aSJeff Kirsher 6055e689cf4aSJeff Kirsher err = request_irq(lp->irq, niu_interrupt, IRQF_SHARED, 6056e689cf4aSJeff Kirsher np->irq_name[i], lp); 6057e689cf4aSJeff Kirsher if (err) 6058e689cf4aSJeff Kirsher goto out_free_irqs; 6059e689cf4aSJeff Kirsher 6060e689cf4aSJeff Kirsher } 6061e689cf4aSJeff Kirsher 6062e689cf4aSJeff Kirsher return 0; 6063e689cf4aSJeff Kirsher 6064e689cf4aSJeff Kirsher out_free_irqs: 6065e689cf4aSJeff Kirsher for (j = 0; j < i; j++) { 6066e689cf4aSJeff Kirsher struct niu_ldg *lp = &np->ldg[j]; 6067e689cf4aSJeff Kirsher 6068e689cf4aSJeff Kirsher free_irq(lp->irq, lp); 6069e689cf4aSJeff Kirsher } 6070e689cf4aSJeff Kirsher return err; 6071e689cf4aSJeff Kirsher } 6072e689cf4aSJeff Kirsher 6073e689cf4aSJeff Kirsher static void niu_free_irq(struct niu *np) 6074e689cf4aSJeff Kirsher { 6075e689cf4aSJeff Kirsher int i; 6076e689cf4aSJeff Kirsher 6077e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg; i++) { 6078e689cf4aSJeff Kirsher struct niu_ldg *lp = &np->ldg[i]; 6079e689cf4aSJeff Kirsher 6080e689cf4aSJeff Kirsher free_irq(lp->irq, lp); 6081e689cf4aSJeff Kirsher } 6082e689cf4aSJeff Kirsher } 6083e689cf4aSJeff Kirsher 6084e689cf4aSJeff Kirsher static void niu_enable_napi(struct niu *np) 6085e689cf4aSJeff Kirsher { 6086e689cf4aSJeff Kirsher int i; 6087e689cf4aSJeff Kirsher 6088e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg; i++) 6089e689cf4aSJeff Kirsher napi_enable(&np->ldg[i].napi); 6090e689cf4aSJeff Kirsher } 6091e689cf4aSJeff Kirsher 6092e689cf4aSJeff Kirsher static void niu_disable_napi(struct niu *np) 6093e689cf4aSJeff Kirsher { 6094e689cf4aSJeff Kirsher int i; 6095e689cf4aSJeff Kirsher 6096e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg; i++) 6097e689cf4aSJeff Kirsher napi_disable(&np->ldg[i].napi); 6098e689cf4aSJeff Kirsher } 6099e689cf4aSJeff Kirsher 6100e689cf4aSJeff Kirsher static int niu_open(struct net_device *dev) 6101e689cf4aSJeff Kirsher { 6102e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6103e689cf4aSJeff Kirsher int err; 6104e689cf4aSJeff Kirsher 6105e689cf4aSJeff Kirsher netif_carrier_off(dev); 6106e689cf4aSJeff Kirsher 6107e689cf4aSJeff Kirsher err = niu_alloc_channels(np); 6108e689cf4aSJeff Kirsher if (err) 6109e689cf4aSJeff Kirsher goto out_err; 6110e689cf4aSJeff Kirsher 6111e689cf4aSJeff Kirsher err = niu_enable_interrupts(np, 0); 6112e689cf4aSJeff Kirsher if (err) 6113e689cf4aSJeff Kirsher goto out_free_channels; 6114e689cf4aSJeff Kirsher 6115e689cf4aSJeff Kirsher err = niu_request_irq(np); 6116e689cf4aSJeff Kirsher if (err) 6117e689cf4aSJeff Kirsher goto out_free_channels; 6118e689cf4aSJeff Kirsher 6119e689cf4aSJeff Kirsher niu_enable_napi(np); 6120e689cf4aSJeff Kirsher 6121e689cf4aSJeff Kirsher spin_lock_irq(&np->lock); 6122e689cf4aSJeff Kirsher 6123e689cf4aSJeff Kirsher err = niu_init_hw(np); 6124e689cf4aSJeff Kirsher if (!err) { 61250822c5d9SKees Cook timer_setup(&np->timer, niu_timer, 0); 6126e689cf4aSJeff Kirsher np->timer.expires = jiffies + HZ; 6127e689cf4aSJeff Kirsher 6128e689cf4aSJeff Kirsher err = niu_enable_interrupts(np, 1); 6129e689cf4aSJeff Kirsher if (err) 6130e689cf4aSJeff Kirsher niu_stop_hw(np); 6131e689cf4aSJeff Kirsher } 6132e689cf4aSJeff Kirsher 6133e689cf4aSJeff Kirsher spin_unlock_irq(&np->lock); 6134e689cf4aSJeff Kirsher 6135e689cf4aSJeff Kirsher if (err) { 6136e689cf4aSJeff Kirsher niu_disable_napi(np); 6137e689cf4aSJeff Kirsher goto out_free_irq; 6138e689cf4aSJeff Kirsher } 6139e689cf4aSJeff Kirsher 6140e689cf4aSJeff Kirsher netif_tx_start_all_queues(dev); 6141e689cf4aSJeff Kirsher 6142e689cf4aSJeff Kirsher if (np->link_config.loopback_mode != LOOPBACK_DISABLED) 6143e689cf4aSJeff Kirsher netif_carrier_on(dev); 6144e689cf4aSJeff Kirsher 6145e689cf4aSJeff Kirsher add_timer(&np->timer); 6146e689cf4aSJeff Kirsher 6147e689cf4aSJeff Kirsher return 0; 6148e689cf4aSJeff Kirsher 6149e689cf4aSJeff Kirsher out_free_irq: 6150e689cf4aSJeff Kirsher niu_free_irq(np); 6151e689cf4aSJeff Kirsher 6152e689cf4aSJeff Kirsher out_free_channels: 6153e689cf4aSJeff Kirsher niu_free_channels(np); 6154e689cf4aSJeff Kirsher 6155e689cf4aSJeff Kirsher out_err: 6156e689cf4aSJeff Kirsher return err; 6157e689cf4aSJeff Kirsher } 6158e689cf4aSJeff Kirsher 6159e689cf4aSJeff Kirsher static void niu_full_shutdown(struct niu *np, struct net_device *dev) 6160e689cf4aSJeff Kirsher { 6161e689cf4aSJeff Kirsher cancel_work_sync(&np->reset_task); 6162e689cf4aSJeff Kirsher 6163e689cf4aSJeff Kirsher niu_disable_napi(np); 6164e689cf4aSJeff Kirsher netif_tx_stop_all_queues(dev); 6165e689cf4aSJeff Kirsher 6166e689cf4aSJeff Kirsher del_timer_sync(&np->timer); 6167e689cf4aSJeff Kirsher 6168e689cf4aSJeff Kirsher spin_lock_irq(&np->lock); 6169e689cf4aSJeff Kirsher 6170e689cf4aSJeff Kirsher niu_stop_hw(np); 6171e689cf4aSJeff Kirsher 6172e689cf4aSJeff Kirsher spin_unlock_irq(&np->lock); 6173e689cf4aSJeff Kirsher } 6174e689cf4aSJeff Kirsher 6175e689cf4aSJeff Kirsher static int niu_close(struct net_device *dev) 6176e689cf4aSJeff Kirsher { 6177e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6178e689cf4aSJeff Kirsher 6179e689cf4aSJeff Kirsher niu_full_shutdown(np, dev); 6180e689cf4aSJeff Kirsher 6181e689cf4aSJeff Kirsher niu_free_irq(np); 6182e689cf4aSJeff Kirsher 6183e689cf4aSJeff Kirsher niu_free_channels(np); 6184e689cf4aSJeff Kirsher 6185e689cf4aSJeff Kirsher niu_handle_led(np, 0); 6186e689cf4aSJeff Kirsher 6187e689cf4aSJeff Kirsher return 0; 6188e689cf4aSJeff Kirsher } 6189e689cf4aSJeff Kirsher 6190e689cf4aSJeff Kirsher static void niu_sync_xmac_stats(struct niu *np) 6191e689cf4aSJeff Kirsher { 6192e689cf4aSJeff Kirsher struct niu_xmac_stats *mp = &np->mac_stats.xmac; 6193e689cf4aSJeff Kirsher 6194e689cf4aSJeff Kirsher mp->tx_frames += nr64_mac(TXMAC_FRM_CNT); 6195e689cf4aSJeff Kirsher mp->tx_bytes += nr64_mac(TXMAC_BYTE_CNT); 6196e689cf4aSJeff Kirsher 6197e689cf4aSJeff Kirsher mp->rx_link_faults += nr64_mac(LINK_FAULT_CNT); 6198e689cf4aSJeff Kirsher mp->rx_align_errors += nr64_mac(RXMAC_ALIGN_ERR_CNT); 6199e689cf4aSJeff Kirsher mp->rx_frags += nr64_mac(RXMAC_FRAG_CNT); 6200e689cf4aSJeff Kirsher mp->rx_mcasts += nr64_mac(RXMAC_MC_FRM_CNT); 6201e689cf4aSJeff Kirsher mp->rx_bcasts += nr64_mac(RXMAC_BC_FRM_CNT); 6202e689cf4aSJeff Kirsher mp->rx_hist_cnt1 += nr64_mac(RXMAC_HIST_CNT1); 6203e689cf4aSJeff Kirsher mp->rx_hist_cnt2 += nr64_mac(RXMAC_HIST_CNT2); 6204e689cf4aSJeff Kirsher mp->rx_hist_cnt3 += nr64_mac(RXMAC_HIST_CNT3); 6205e689cf4aSJeff Kirsher mp->rx_hist_cnt4 += nr64_mac(RXMAC_HIST_CNT4); 6206e689cf4aSJeff Kirsher mp->rx_hist_cnt5 += nr64_mac(RXMAC_HIST_CNT5); 6207e689cf4aSJeff Kirsher mp->rx_hist_cnt6 += nr64_mac(RXMAC_HIST_CNT6); 6208e689cf4aSJeff Kirsher mp->rx_hist_cnt7 += nr64_mac(RXMAC_HIST_CNT7); 6209e689cf4aSJeff Kirsher mp->rx_octets += nr64_mac(RXMAC_BT_CNT); 6210e689cf4aSJeff Kirsher mp->rx_code_violations += nr64_mac(RXMAC_CD_VIO_CNT); 6211e689cf4aSJeff Kirsher mp->rx_len_errors += nr64_mac(RXMAC_MPSZER_CNT); 6212e689cf4aSJeff Kirsher mp->rx_crc_errors += nr64_mac(RXMAC_CRC_ER_CNT); 6213e689cf4aSJeff Kirsher } 6214e689cf4aSJeff Kirsher 6215e689cf4aSJeff Kirsher static void niu_sync_bmac_stats(struct niu *np) 6216e689cf4aSJeff Kirsher { 6217e689cf4aSJeff Kirsher struct niu_bmac_stats *mp = &np->mac_stats.bmac; 6218e689cf4aSJeff Kirsher 6219e689cf4aSJeff Kirsher mp->tx_bytes += nr64_mac(BTXMAC_BYTE_CNT); 6220e689cf4aSJeff Kirsher mp->tx_frames += nr64_mac(BTXMAC_FRM_CNT); 6221e689cf4aSJeff Kirsher 6222e689cf4aSJeff Kirsher mp->rx_frames += nr64_mac(BRXMAC_FRAME_CNT); 6223e689cf4aSJeff Kirsher mp->rx_align_errors += nr64_mac(BRXMAC_ALIGN_ERR_CNT); 6224e689cf4aSJeff Kirsher mp->rx_crc_errors += nr64_mac(BRXMAC_ALIGN_ERR_CNT); 6225e689cf4aSJeff Kirsher mp->rx_len_errors += nr64_mac(BRXMAC_CODE_VIOL_ERR_CNT); 6226e689cf4aSJeff Kirsher } 6227e689cf4aSJeff Kirsher 6228e689cf4aSJeff Kirsher static void niu_sync_mac_stats(struct niu *np) 6229e689cf4aSJeff Kirsher { 6230e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 6231e689cf4aSJeff Kirsher niu_sync_xmac_stats(np); 6232e689cf4aSJeff Kirsher else 6233e689cf4aSJeff Kirsher niu_sync_bmac_stats(np); 6234e689cf4aSJeff Kirsher } 6235e689cf4aSJeff Kirsher 6236e689cf4aSJeff Kirsher static void niu_get_rx_stats(struct niu *np, 6237e689cf4aSJeff Kirsher struct rtnl_link_stats64 *stats) 6238e689cf4aSJeff Kirsher { 6239e689cf4aSJeff Kirsher u64 pkts, dropped, errors, bytes; 6240e689cf4aSJeff Kirsher struct rx_ring_info *rx_rings; 6241e689cf4aSJeff Kirsher int i; 6242e689cf4aSJeff Kirsher 6243e689cf4aSJeff Kirsher pkts = dropped = errors = bytes = 0; 6244e689cf4aSJeff Kirsher 62456aa7de05SMark Rutland rx_rings = READ_ONCE(np->rx_rings); 6246e689cf4aSJeff Kirsher if (!rx_rings) 6247e689cf4aSJeff Kirsher goto no_rings; 6248e689cf4aSJeff Kirsher 6249e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 6250e689cf4aSJeff Kirsher struct rx_ring_info *rp = &rx_rings[i]; 6251e689cf4aSJeff Kirsher 6252e689cf4aSJeff Kirsher niu_sync_rx_discard_stats(np, rp, 0); 6253e689cf4aSJeff Kirsher 6254e689cf4aSJeff Kirsher pkts += rp->rx_packets; 6255e689cf4aSJeff Kirsher bytes += rp->rx_bytes; 6256e689cf4aSJeff Kirsher dropped += rp->rx_dropped; 6257e689cf4aSJeff Kirsher errors += rp->rx_errors; 6258e689cf4aSJeff Kirsher } 6259e689cf4aSJeff Kirsher 6260e689cf4aSJeff Kirsher no_rings: 6261e689cf4aSJeff Kirsher stats->rx_packets = pkts; 6262e689cf4aSJeff Kirsher stats->rx_bytes = bytes; 6263e689cf4aSJeff Kirsher stats->rx_dropped = dropped; 6264e689cf4aSJeff Kirsher stats->rx_errors = errors; 6265e689cf4aSJeff Kirsher } 6266e689cf4aSJeff Kirsher 6267e689cf4aSJeff Kirsher static void niu_get_tx_stats(struct niu *np, 6268e689cf4aSJeff Kirsher struct rtnl_link_stats64 *stats) 6269e689cf4aSJeff Kirsher { 6270e689cf4aSJeff Kirsher u64 pkts, errors, bytes; 6271e689cf4aSJeff Kirsher struct tx_ring_info *tx_rings; 6272e689cf4aSJeff Kirsher int i; 6273e689cf4aSJeff Kirsher 6274e689cf4aSJeff Kirsher pkts = errors = bytes = 0; 6275e689cf4aSJeff Kirsher 62766aa7de05SMark Rutland tx_rings = READ_ONCE(np->tx_rings); 6277e689cf4aSJeff Kirsher if (!tx_rings) 6278e689cf4aSJeff Kirsher goto no_rings; 6279e689cf4aSJeff Kirsher 6280e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 6281e689cf4aSJeff Kirsher struct tx_ring_info *rp = &tx_rings[i]; 6282e689cf4aSJeff Kirsher 6283e689cf4aSJeff Kirsher pkts += rp->tx_packets; 6284e689cf4aSJeff Kirsher bytes += rp->tx_bytes; 6285e689cf4aSJeff Kirsher errors += rp->tx_errors; 6286e689cf4aSJeff Kirsher } 6287e689cf4aSJeff Kirsher 6288e689cf4aSJeff Kirsher no_rings: 6289e689cf4aSJeff Kirsher stats->tx_packets = pkts; 6290e689cf4aSJeff Kirsher stats->tx_bytes = bytes; 6291e689cf4aSJeff Kirsher stats->tx_errors = errors; 6292e689cf4aSJeff Kirsher } 6293e689cf4aSJeff Kirsher 6294bc1f4470Sstephen hemminger static void niu_get_stats(struct net_device *dev, 6295e689cf4aSJeff Kirsher struct rtnl_link_stats64 *stats) 6296e689cf4aSJeff Kirsher { 6297e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6298e689cf4aSJeff Kirsher 6299e689cf4aSJeff Kirsher if (netif_running(dev)) { 6300e689cf4aSJeff Kirsher niu_get_rx_stats(np, stats); 6301e689cf4aSJeff Kirsher niu_get_tx_stats(np, stats); 6302e689cf4aSJeff Kirsher } 6303e689cf4aSJeff Kirsher } 6304e689cf4aSJeff Kirsher 6305e689cf4aSJeff Kirsher static void niu_load_hash_xmac(struct niu *np, u16 *hash) 6306e689cf4aSJeff Kirsher { 6307e689cf4aSJeff Kirsher int i; 6308e689cf4aSJeff Kirsher 6309e689cf4aSJeff Kirsher for (i = 0; i < 16; i++) 6310e689cf4aSJeff Kirsher nw64_mac(XMAC_HASH_TBL(i), hash[i]); 6311e689cf4aSJeff Kirsher } 6312e689cf4aSJeff Kirsher 6313e689cf4aSJeff Kirsher static void niu_load_hash_bmac(struct niu *np, u16 *hash) 6314e689cf4aSJeff Kirsher { 6315e689cf4aSJeff Kirsher int i; 6316e689cf4aSJeff Kirsher 6317e689cf4aSJeff Kirsher for (i = 0; i < 16; i++) 6318e689cf4aSJeff Kirsher nw64_mac(BMAC_HASH_TBL(i), hash[i]); 6319e689cf4aSJeff Kirsher } 6320e689cf4aSJeff Kirsher 6321e689cf4aSJeff Kirsher static void niu_load_hash(struct niu *np, u16 *hash) 6322e689cf4aSJeff Kirsher { 6323e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 6324e689cf4aSJeff Kirsher niu_load_hash_xmac(np, hash); 6325e689cf4aSJeff Kirsher else 6326e689cf4aSJeff Kirsher niu_load_hash_bmac(np, hash); 6327e689cf4aSJeff Kirsher } 6328e689cf4aSJeff Kirsher 6329e689cf4aSJeff Kirsher static void niu_set_rx_mode(struct net_device *dev) 6330e689cf4aSJeff Kirsher { 6331e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6332e689cf4aSJeff Kirsher int i, alt_cnt, err; 6333e689cf4aSJeff Kirsher struct netdev_hw_addr *ha; 6334e689cf4aSJeff Kirsher unsigned long flags; 6335e689cf4aSJeff Kirsher u16 hash[16] = { 0, }; 6336e689cf4aSJeff Kirsher 6337e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 6338e689cf4aSJeff Kirsher niu_enable_rx_mac(np, 0); 6339e689cf4aSJeff Kirsher 6340e689cf4aSJeff Kirsher np->flags &= ~(NIU_FLAGS_MCAST | NIU_FLAGS_PROMISC); 6341e689cf4aSJeff Kirsher if (dev->flags & IFF_PROMISC) 6342e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_PROMISC; 6343e689cf4aSJeff Kirsher if ((dev->flags & IFF_ALLMULTI) || (!netdev_mc_empty(dev))) 6344e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_MCAST; 6345e689cf4aSJeff Kirsher 6346e689cf4aSJeff Kirsher alt_cnt = netdev_uc_count(dev); 6347e689cf4aSJeff Kirsher if (alt_cnt > niu_num_alt_addr(np)) { 6348e689cf4aSJeff Kirsher alt_cnt = 0; 6349e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_PROMISC; 6350e689cf4aSJeff Kirsher } 6351e689cf4aSJeff Kirsher 6352e689cf4aSJeff Kirsher if (alt_cnt) { 6353e689cf4aSJeff Kirsher int index = 0; 6354e689cf4aSJeff Kirsher 6355e689cf4aSJeff Kirsher netdev_for_each_uc_addr(ha, dev) { 6356e689cf4aSJeff Kirsher err = niu_set_alt_mac(np, index, ha->addr); 6357e689cf4aSJeff Kirsher if (err) 6358e689cf4aSJeff Kirsher netdev_warn(dev, "Error %d adding alt mac %d\n", 6359e689cf4aSJeff Kirsher err, index); 6360e689cf4aSJeff Kirsher err = niu_enable_alt_mac(np, index, 1); 6361e689cf4aSJeff Kirsher if (err) 6362e689cf4aSJeff Kirsher netdev_warn(dev, "Error %d enabling alt mac %d\n", 6363e689cf4aSJeff Kirsher err, index); 6364e689cf4aSJeff Kirsher 6365e689cf4aSJeff Kirsher index++; 6366e689cf4aSJeff Kirsher } 6367e689cf4aSJeff Kirsher } else { 6368e689cf4aSJeff Kirsher int alt_start; 6369e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 6370e689cf4aSJeff Kirsher alt_start = 0; 6371e689cf4aSJeff Kirsher else 6372e689cf4aSJeff Kirsher alt_start = 1; 6373e689cf4aSJeff Kirsher for (i = alt_start; i < niu_num_alt_addr(np); i++) { 6374e689cf4aSJeff Kirsher err = niu_enable_alt_mac(np, i, 0); 6375e689cf4aSJeff Kirsher if (err) 6376e689cf4aSJeff Kirsher netdev_warn(dev, "Error %d disabling alt mac %d\n", 6377e689cf4aSJeff Kirsher err, i); 6378e689cf4aSJeff Kirsher } 6379e689cf4aSJeff Kirsher } 6380e689cf4aSJeff Kirsher if (dev->flags & IFF_ALLMULTI) { 6381e689cf4aSJeff Kirsher for (i = 0; i < 16; i++) 6382e689cf4aSJeff Kirsher hash[i] = 0xffff; 6383e689cf4aSJeff Kirsher } else if (!netdev_mc_empty(dev)) { 6384e689cf4aSJeff Kirsher netdev_for_each_mc_addr(ha, dev) { 6385e689cf4aSJeff Kirsher u32 crc = ether_crc_le(ETH_ALEN, ha->addr); 6386e689cf4aSJeff Kirsher 6387e689cf4aSJeff Kirsher crc >>= 24; 6388e689cf4aSJeff Kirsher hash[crc >> 4] |= (1 << (15 - (crc & 0xf))); 6389e689cf4aSJeff Kirsher } 6390e689cf4aSJeff Kirsher } 6391e689cf4aSJeff Kirsher 6392e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_MCAST) 6393e689cf4aSJeff Kirsher niu_load_hash(np, hash); 6394e689cf4aSJeff Kirsher 6395e689cf4aSJeff Kirsher niu_enable_rx_mac(np, 1); 6396e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 6397e689cf4aSJeff Kirsher } 6398e689cf4aSJeff Kirsher 6399e689cf4aSJeff Kirsher static int niu_set_mac_addr(struct net_device *dev, void *p) 6400e689cf4aSJeff Kirsher { 6401e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6402e689cf4aSJeff Kirsher struct sockaddr *addr = p; 6403e689cf4aSJeff Kirsher unsigned long flags; 6404e689cf4aSJeff Kirsher 6405e689cf4aSJeff Kirsher if (!is_valid_ether_addr(addr->sa_data)) 6406504f9b5aSDanny Kukawka return -EADDRNOTAVAIL; 6407e689cf4aSJeff Kirsher 6408a96d317fSJakub Kicinski eth_hw_addr_set(dev, addr->sa_data); 6409e689cf4aSJeff Kirsher 6410e689cf4aSJeff Kirsher if (!netif_running(dev)) 6411e689cf4aSJeff Kirsher return 0; 6412e689cf4aSJeff Kirsher 6413e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 6414e689cf4aSJeff Kirsher niu_enable_rx_mac(np, 0); 6415e689cf4aSJeff Kirsher niu_set_primary_mac(np, dev->dev_addr); 6416e689cf4aSJeff Kirsher niu_enable_rx_mac(np, 1); 6417e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 6418e689cf4aSJeff Kirsher 6419e689cf4aSJeff Kirsher return 0; 6420e689cf4aSJeff Kirsher } 6421e689cf4aSJeff Kirsher 6422e689cf4aSJeff Kirsher static int niu_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) 6423e689cf4aSJeff Kirsher { 6424e689cf4aSJeff Kirsher return -EOPNOTSUPP; 6425e689cf4aSJeff Kirsher } 6426e689cf4aSJeff Kirsher 6427e689cf4aSJeff Kirsher static void niu_netif_stop(struct niu *np) 6428e689cf4aSJeff Kirsher { 6429860e9538SFlorian Westphal netif_trans_update(np->dev); /* prevent tx timeout */ 6430e689cf4aSJeff Kirsher 6431e689cf4aSJeff Kirsher niu_disable_napi(np); 6432e689cf4aSJeff Kirsher 6433e689cf4aSJeff Kirsher netif_tx_disable(np->dev); 6434e689cf4aSJeff Kirsher } 6435e689cf4aSJeff Kirsher 6436e689cf4aSJeff Kirsher static void niu_netif_start(struct niu *np) 6437e689cf4aSJeff Kirsher { 6438e689cf4aSJeff Kirsher /* NOTE: unconditional netif_wake_queue is only appropriate 6439e689cf4aSJeff Kirsher * so long as all callers are assured to have free tx slots 6440e689cf4aSJeff Kirsher * (such as after niu_init_hw). 6441e689cf4aSJeff Kirsher */ 6442e689cf4aSJeff Kirsher netif_tx_wake_all_queues(np->dev); 6443e689cf4aSJeff Kirsher 6444e689cf4aSJeff Kirsher niu_enable_napi(np); 6445e689cf4aSJeff Kirsher 6446e689cf4aSJeff Kirsher niu_enable_interrupts(np, 1); 6447e689cf4aSJeff Kirsher } 6448e689cf4aSJeff Kirsher 6449e689cf4aSJeff Kirsher static void niu_reset_buffers(struct niu *np) 6450e689cf4aSJeff Kirsher { 6451e689cf4aSJeff Kirsher int i, j, k, err; 6452e689cf4aSJeff Kirsher 6453e689cf4aSJeff Kirsher if (np->rx_rings) { 6454e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 6455e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 6456e689cf4aSJeff Kirsher 6457e689cf4aSJeff Kirsher for (j = 0, k = 0; j < MAX_RBR_RING_SIZE; j++) { 6458e689cf4aSJeff Kirsher struct page *page; 6459e689cf4aSJeff Kirsher 6460e689cf4aSJeff Kirsher page = rp->rxhash[j]; 6461e689cf4aSJeff Kirsher while (page) { 64622dcfe9e2SKees Cook struct page *next = niu_next_page(page); 6463e689cf4aSJeff Kirsher u64 base = page->index; 6464e689cf4aSJeff Kirsher base = base >> RBR_DESCR_ADDR_SHIFT; 6465e689cf4aSJeff Kirsher rp->rbr[k++] = cpu_to_le32(base); 6466e689cf4aSJeff Kirsher page = next; 6467e689cf4aSJeff Kirsher } 6468e689cf4aSJeff Kirsher } 6469e689cf4aSJeff Kirsher for (; k < MAX_RBR_RING_SIZE; k++) { 6470e689cf4aSJeff Kirsher err = niu_rbr_add_page(np, rp, GFP_ATOMIC, k); 6471e689cf4aSJeff Kirsher if (unlikely(err)) 6472e689cf4aSJeff Kirsher break; 6473e689cf4aSJeff Kirsher } 6474e689cf4aSJeff Kirsher 6475e689cf4aSJeff Kirsher rp->rbr_index = rp->rbr_table_size - 1; 6476e689cf4aSJeff Kirsher rp->rcr_index = 0; 6477e689cf4aSJeff Kirsher rp->rbr_pending = 0; 6478e689cf4aSJeff Kirsher rp->rbr_refill_pending = 0; 6479e689cf4aSJeff Kirsher } 6480e689cf4aSJeff Kirsher } 6481e689cf4aSJeff Kirsher if (np->tx_rings) { 6482e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 6483e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 6484e689cf4aSJeff Kirsher 6485e689cf4aSJeff Kirsher for (j = 0; j < MAX_TX_RING_SIZE; j++) { 6486e689cf4aSJeff Kirsher if (rp->tx_buffs[j].skb) 6487e689cf4aSJeff Kirsher (void) release_tx_packet(np, rp, j); 6488e689cf4aSJeff Kirsher } 6489e689cf4aSJeff Kirsher 6490e689cf4aSJeff Kirsher rp->pending = MAX_TX_RING_SIZE; 6491e689cf4aSJeff Kirsher rp->prod = 0; 6492e689cf4aSJeff Kirsher rp->cons = 0; 6493e689cf4aSJeff Kirsher rp->wrap_bit = 0; 6494e689cf4aSJeff Kirsher } 6495e689cf4aSJeff Kirsher } 6496e689cf4aSJeff Kirsher } 6497e689cf4aSJeff Kirsher 6498e689cf4aSJeff Kirsher static void niu_reset_task(struct work_struct *work) 6499e689cf4aSJeff Kirsher { 6500e689cf4aSJeff Kirsher struct niu *np = container_of(work, struct niu, reset_task); 6501e689cf4aSJeff Kirsher unsigned long flags; 6502e689cf4aSJeff Kirsher int err; 6503e689cf4aSJeff Kirsher 6504e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 6505e689cf4aSJeff Kirsher if (!netif_running(np->dev)) { 6506e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 6507e689cf4aSJeff Kirsher return; 6508e689cf4aSJeff Kirsher } 6509e689cf4aSJeff Kirsher 6510e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 6511e689cf4aSJeff Kirsher 6512e689cf4aSJeff Kirsher del_timer_sync(&np->timer); 6513e689cf4aSJeff Kirsher 6514e689cf4aSJeff Kirsher niu_netif_stop(np); 6515e689cf4aSJeff Kirsher 6516e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 6517e689cf4aSJeff Kirsher 6518e689cf4aSJeff Kirsher niu_stop_hw(np); 6519e689cf4aSJeff Kirsher 6520e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 6521e689cf4aSJeff Kirsher 6522e689cf4aSJeff Kirsher niu_reset_buffers(np); 6523e689cf4aSJeff Kirsher 6524e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 6525e689cf4aSJeff Kirsher 6526e689cf4aSJeff Kirsher err = niu_init_hw(np); 6527e689cf4aSJeff Kirsher if (!err) { 6528e689cf4aSJeff Kirsher np->timer.expires = jiffies + HZ; 6529e689cf4aSJeff Kirsher add_timer(&np->timer); 6530e689cf4aSJeff Kirsher niu_netif_start(np); 6531e689cf4aSJeff Kirsher } 6532e689cf4aSJeff Kirsher 6533e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 6534e689cf4aSJeff Kirsher } 6535e689cf4aSJeff Kirsher 65360290bd29SMichael S. Tsirkin static void niu_tx_timeout(struct net_device *dev, unsigned int txqueue) 6537e689cf4aSJeff Kirsher { 6538e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6539e689cf4aSJeff Kirsher 6540e689cf4aSJeff Kirsher dev_err(np->device, "%s: Transmit timed out, resetting\n", 6541e689cf4aSJeff Kirsher dev->name); 6542e689cf4aSJeff Kirsher 6543e689cf4aSJeff Kirsher schedule_work(&np->reset_task); 6544e689cf4aSJeff Kirsher } 6545e689cf4aSJeff Kirsher 6546e689cf4aSJeff Kirsher static void niu_set_txd(struct tx_ring_info *rp, int index, 6547e689cf4aSJeff Kirsher u64 mapping, u64 len, u64 mark, 6548e689cf4aSJeff Kirsher u64 n_frags) 6549e689cf4aSJeff Kirsher { 6550e689cf4aSJeff Kirsher __le64 *desc = &rp->descr[index]; 6551e689cf4aSJeff Kirsher 6552e689cf4aSJeff Kirsher *desc = cpu_to_le64(mark | 6553e689cf4aSJeff Kirsher (n_frags << TX_DESC_NUM_PTR_SHIFT) | 6554e689cf4aSJeff Kirsher (len << TX_DESC_TR_LEN_SHIFT) | 6555e689cf4aSJeff Kirsher (mapping & TX_DESC_SAD)); 6556e689cf4aSJeff Kirsher } 6557e689cf4aSJeff Kirsher 6558e689cf4aSJeff Kirsher static u64 niu_compute_tx_flags(struct sk_buff *skb, struct ethhdr *ehdr, 6559e689cf4aSJeff Kirsher u64 pad_bytes, u64 len) 6560e689cf4aSJeff Kirsher { 6561e689cf4aSJeff Kirsher u16 eth_proto, eth_proto_inner; 6562e689cf4aSJeff Kirsher u64 csum_bits, l3off, ihl, ret; 6563e689cf4aSJeff Kirsher u8 ip_proto; 6564e689cf4aSJeff Kirsher int ipv6; 6565e689cf4aSJeff Kirsher 6566e689cf4aSJeff Kirsher eth_proto = be16_to_cpu(ehdr->h_proto); 6567e689cf4aSJeff Kirsher eth_proto_inner = eth_proto; 6568e689cf4aSJeff Kirsher if (eth_proto == ETH_P_8021Q) { 6569e689cf4aSJeff Kirsher struct vlan_ethhdr *vp = (struct vlan_ethhdr *) ehdr; 6570e689cf4aSJeff Kirsher __be16 val = vp->h_vlan_encapsulated_proto; 6571e689cf4aSJeff Kirsher 6572e689cf4aSJeff Kirsher eth_proto_inner = be16_to_cpu(val); 6573e689cf4aSJeff Kirsher } 6574e689cf4aSJeff Kirsher 6575e689cf4aSJeff Kirsher ipv6 = ihl = 0; 6576e689cf4aSJeff Kirsher switch (skb->protocol) { 6577e689cf4aSJeff Kirsher case cpu_to_be16(ETH_P_IP): 6578e689cf4aSJeff Kirsher ip_proto = ip_hdr(skb)->protocol; 6579e689cf4aSJeff Kirsher ihl = ip_hdr(skb)->ihl; 6580e689cf4aSJeff Kirsher break; 6581e689cf4aSJeff Kirsher case cpu_to_be16(ETH_P_IPV6): 6582e689cf4aSJeff Kirsher ip_proto = ipv6_hdr(skb)->nexthdr; 6583e689cf4aSJeff Kirsher ihl = (40 >> 2); 6584e689cf4aSJeff Kirsher ipv6 = 1; 6585e689cf4aSJeff Kirsher break; 6586e689cf4aSJeff Kirsher default: 6587e689cf4aSJeff Kirsher ip_proto = ihl = 0; 6588e689cf4aSJeff Kirsher break; 6589e689cf4aSJeff Kirsher } 6590e689cf4aSJeff Kirsher 6591e689cf4aSJeff Kirsher csum_bits = TXHDR_CSUM_NONE; 6592e689cf4aSJeff Kirsher if (skb->ip_summed == CHECKSUM_PARTIAL) { 6593e689cf4aSJeff Kirsher u64 start, stuff; 6594e689cf4aSJeff Kirsher 6595e689cf4aSJeff Kirsher csum_bits = (ip_proto == IPPROTO_TCP ? 6596e689cf4aSJeff Kirsher TXHDR_CSUM_TCP : 6597e689cf4aSJeff Kirsher (ip_proto == IPPROTO_UDP ? 6598e689cf4aSJeff Kirsher TXHDR_CSUM_UDP : TXHDR_CSUM_SCTP)); 6599e689cf4aSJeff Kirsher 6600e689cf4aSJeff Kirsher start = skb_checksum_start_offset(skb) - 6601e689cf4aSJeff Kirsher (pad_bytes + sizeof(struct tx_pkt_hdr)); 6602e689cf4aSJeff Kirsher stuff = start + skb->csum_offset; 6603e689cf4aSJeff Kirsher 6604e689cf4aSJeff Kirsher csum_bits |= (start / 2) << TXHDR_L4START_SHIFT; 6605e689cf4aSJeff Kirsher csum_bits |= (stuff / 2) << TXHDR_L4STUFF_SHIFT; 6606e689cf4aSJeff Kirsher } 6607e689cf4aSJeff Kirsher 6608e689cf4aSJeff Kirsher l3off = skb_network_offset(skb) - 6609e689cf4aSJeff Kirsher (pad_bytes + sizeof(struct tx_pkt_hdr)); 6610e689cf4aSJeff Kirsher 6611e689cf4aSJeff Kirsher ret = (((pad_bytes / 2) << TXHDR_PAD_SHIFT) | 6612e689cf4aSJeff Kirsher (len << TXHDR_LEN_SHIFT) | 6613e689cf4aSJeff Kirsher ((l3off / 2) << TXHDR_L3START_SHIFT) | 6614e689cf4aSJeff Kirsher (ihl << TXHDR_IHL_SHIFT) | 6615e5c5d22eSSimon Horman ((eth_proto_inner < ETH_P_802_3_MIN) ? TXHDR_LLC : 0) | 6616e689cf4aSJeff Kirsher ((eth_proto == ETH_P_8021Q) ? TXHDR_VLAN : 0) | 6617e689cf4aSJeff Kirsher (ipv6 ? TXHDR_IP_VER : 0) | 6618e689cf4aSJeff Kirsher csum_bits); 6619e689cf4aSJeff Kirsher 6620e689cf4aSJeff Kirsher return ret; 6621e689cf4aSJeff Kirsher } 6622e689cf4aSJeff Kirsher 6623e689cf4aSJeff Kirsher static netdev_tx_t niu_start_xmit(struct sk_buff *skb, 6624e689cf4aSJeff Kirsher struct net_device *dev) 6625e689cf4aSJeff Kirsher { 6626e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6627e689cf4aSJeff Kirsher unsigned long align, headroom; 6628e689cf4aSJeff Kirsher struct netdev_queue *txq; 6629e689cf4aSJeff Kirsher struct tx_ring_info *rp; 6630e689cf4aSJeff Kirsher struct tx_pkt_hdr *tp; 6631e689cf4aSJeff Kirsher unsigned int len, nfg; 6632e689cf4aSJeff Kirsher struct ethhdr *ehdr; 6633e689cf4aSJeff Kirsher int prod, i, tlen; 6634e689cf4aSJeff Kirsher u64 mapping, mrk; 6635e689cf4aSJeff Kirsher 6636e689cf4aSJeff Kirsher i = skb_get_queue_mapping(skb); 6637e689cf4aSJeff Kirsher rp = &np->tx_rings[i]; 6638e689cf4aSJeff Kirsher txq = netdev_get_tx_queue(dev, i); 6639e689cf4aSJeff Kirsher 6640e689cf4aSJeff Kirsher if (niu_tx_avail(rp) <= (skb_shinfo(skb)->nr_frags + 1)) { 6641e689cf4aSJeff Kirsher netif_tx_stop_queue(txq); 6642e689cf4aSJeff Kirsher dev_err(np->device, "%s: BUG! Tx ring full when queue awake!\n", dev->name); 6643e689cf4aSJeff Kirsher rp->tx_errors++; 6644e689cf4aSJeff Kirsher return NETDEV_TX_BUSY; 6645e689cf4aSJeff Kirsher } 6646e689cf4aSJeff Kirsher 664728f7936cSAlexander Duyck if (eth_skb_pad(skb)) 6648e689cf4aSJeff Kirsher goto out; 6649e689cf4aSJeff Kirsher 6650e689cf4aSJeff Kirsher len = sizeof(struct tx_pkt_hdr) + 15; 6651e689cf4aSJeff Kirsher if (skb_headroom(skb) < len) { 6652e689cf4aSJeff Kirsher struct sk_buff *skb_new; 6653e689cf4aSJeff Kirsher 6654e689cf4aSJeff Kirsher skb_new = skb_realloc_headroom(skb, len); 665542288830SJiri Pirko if (!skb_new) 6656e689cf4aSJeff Kirsher goto out_drop; 6657e689cf4aSJeff Kirsher kfree_skb(skb); 6658e689cf4aSJeff Kirsher skb = skb_new; 6659e689cf4aSJeff Kirsher } else 6660e689cf4aSJeff Kirsher skb_orphan(skb); 6661e689cf4aSJeff Kirsher 6662e689cf4aSJeff Kirsher align = ((unsigned long) skb->data & (16 - 1)); 6663e689cf4aSJeff Kirsher headroom = align + sizeof(struct tx_pkt_hdr); 6664e689cf4aSJeff Kirsher 6665e689cf4aSJeff Kirsher ehdr = (struct ethhdr *) skb->data; 6666d58ff351SJohannes Berg tp = skb_push(skb, headroom); 6667e689cf4aSJeff Kirsher 6668e689cf4aSJeff Kirsher len = skb->len - sizeof(struct tx_pkt_hdr); 6669e689cf4aSJeff Kirsher tp->flags = cpu_to_le64(niu_compute_tx_flags(skb, ehdr, align, len)); 6670e689cf4aSJeff Kirsher tp->resv = 0; 6671e689cf4aSJeff Kirsher 6672e689cf4aSJeff Kirsher len = skb_headlen(skb); 6673e689cf4aSJeff Kirsher mapping = np->ops->map_single(np->device, skb->data, 6674e689cf4aSJeff Kirsher len, DMA_TO_DEVICE); 6675e689cf4aSJeff Kirsher 6676e689cf4aSJeff Kirsher prod = rp->prod; 6677e689cf4aSJeff Kirsher 6678e689cf4aSJeff Kirsher rp->tx_buffs[prod].skb = skb; 6679e689cf4aSJeff Kirsher rp->tx_buffs[prod].mapping = mapping; 6680e689cf4aSJeff Kirsher 6681e689cf4aSJeff Kirsher mrk = TX_DESC_SOP; 6682e689cf4aSJeff Kirsher if (++rp->mark_counter == rp->mark_freq) { 6683e689cf4aSJeff Kirsher rp->mark_counter = 0; 6684e689cf4aSJeff Kirsher mrk |= TX_DESC_MARK; 6685e689cf4aSJeff Kirsher rp->mark_pending++; 6686e689cf4aSJeff Kirsher } 6687e689cf4aSJeff Kirsher 6688e689cf4aSJeff Kirsher tlen = len; 6689e689cf4aSJeff Kirsher nfg = skb_shinfo(skb)->nr_frags; 6690e689cf4aSJeff Kirsher while (tlen > 0) { 6691e689cf4aSJeff Kirsher tlen -= MAX_TX_DESC_LEN; 6692e689cf4aSJeff Kirsher nfg++; 6693e689cf4aSJeff Kirsher } 6694e689cf4aSJeff Kirsher 6695e689cf4aSJeff Kirsher while (len > 0) { 6696e689cf4aSJeff Kirsher unsigned int this_len = len; 6697e689cf4aSJeff Kirsher 6698e689cf4aSJeff Kirsher if (this_len > MAX_TX_DESC_LEN) 6699e689cf4aSJeff Kirsher this_len = MAX_TX_DESC_LEN; 6700e689cf4aSJeff Kirsher 6701e689cf4aSJeff Kirsher niu_set_txd(rp, prod, mapping, this_len, mrk, nfg); 6702e689cf4aSJeff Kirsher mrk = nfg = 0; 6703e689cf4aSJeff Kirsher 6704e689cf4aSJeff Kirsher prod = NEXT_TX(rp, prod); 6705e689cf4aSJeff Kirsher mapping += this_len; 6706e689cf4aSJeff Kirsher len -= this_len; 6707e689cf4aSJeff Kirsher } 6708e689cf4aSJeff Kirsher 6709e689cf4aSJeff Kirsher for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { 67109e903e08SEric Dumazet const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; 6711e689cf4aSJeff Kirsher 67129e903e08SEric Dumazet len = skb_frag_size(frag); 6713134b413cSIan Campbell mapping = np->ops->map_page(np->device, skb_frag_page(frag), 6714b54c9d5bSJonathan Lemon skb_frag_off(frag), len, 6715e689cf4aSJeff Kirsher DMA_TO_DEVICE); 6716e689cf4aSJeff Kirsher 6717e689cf4aSJeff Kirsher rp->tx_buffs[prod].skb = NULL; 6718e689cf4aSJeff Kirsher rp->tx_buffs[prod].mapping = mapping; 6719e689cf4aSJeff Kirsher 6720e689cf4aSJeff Kirsher niu_set_txd(rp, prod, mapping, len, 0, 0); 6721e689cf4aSJeff Kirsher 6722e689cf4aSJeff Kirsher prod = NEXT_TX(rp, prod); 6723e689cf4aSJeff Kirsher } 6724e689cf4aSJeff Kirsher 6725e689cf4aSJeff Kirsher if (prod < rp->prod) 6726e689cf4aSJeff Kirsher rp->wrap_bit ^= TX_RING_KICK_WRAP; 6727e689cf4aSJeff Kirsher rp->prod = prod; 6728e689cf4aSJeff Kirsher 6729e689cf4aSJeff Kirsher nw64(TX_RING_KICK(rp->tx_channel), rp->wrap_bit | (prod << 3)); 6730e689cf4aSJeff Kirsher 6731e689cf4aSJeff Kirsher if (unlikely(niu_tx_avail(rp) <= (MAX_SKB_FRAGS + 1))) { 6732e689cf4aSJeff Kirsher netif_tx_stop_queue(txq); 6733e689cf4aSJeff Kirsher if (niu_tx_avail(rp) > NIU_TX_WAKEUP_THRESH(rp)) 6734e689cf4aSJeff Kirsher netif_tx_wake_queue(txq); 6735e689cf4aSJeff Kirsher } 6736e689cf4aSJeff Kirsher 6737e689cf4aSJeff Kirsher out: 6738e689cf4aSJeff Kirsher return NETDEV_TX_OK; 6739e689cf4aSJeff Kirsher 6740e689cf4aSJeff Kirsher out_drop: 6741e689cf4aSJeff Kirsher rp->tx_errors++; 6742e689cf4aSJeff Kirsher kfree_skb(skb); 6743e689cf4aSJeff Kirsher goto out; 6744e689cf4aSJeff Kirsher } 6745e689cf4aSJeff Kirsher 6746e689cf4aSJeff Kirsher static int niu_change_mtu(struct net_device *dev, int new_mtu) 6747e689cf4aSJeff Kirsher { 6748e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6749e689cf4aSJeff Kirsher int err, orig_jumbo, new_jumbo; 6750e689cf4aSJeff Kirsher 6751e689cf4aSJeff Kirsher orig_jumbo = (dev->mtu > ETH_DATA_LEN); 6752e689cf4aSJeff Kirsher new_jumbo = (new_mtu > ETH_DATA_LEN); 6753e689cf4aSJeff Kirsher 6754e689cf4aSJeff Kirsher dev->mtu = new_mtu; 6755e689cf4aSJeff Kirsher 6756e689cf4aSJeff Kirsher if (!netif_running(dev) || 6757e689cf4aSJeff Kirsher (orig_jumbo == new_jumbo)) 6758e689cf4aSJeff Kirsher return 0; 6759e689cf4aSJeff Kirsher 6760e689cf4aSJeff Kirsher niu_full_shutdown(np, dev); 6761e689cf4aSJeff Kirsher 6762e689cf4aSJeff Kirsher niu_free_channels(np); 6763e689cf4aSJeff Kirsher 6764e689cf4aSJeff Kirsher niu_enable_napi(np); 6765e689cf4aSJeff Kirsher 6766e689cf4aSJeff Kirsher err = niu_alloc_channels(np); 6767e689cf4aSJeff Kirsher if (err) 6768e689cf4aSJeff Kirsher return err; 6769e689cf4aSJeff Kirsher 6770e689cf4aSJeff Kirsher spin_lock_irq(&np->lock); 6771e689cf4aSJeff Kirsher 6772e689cf4aSJeff Kirsher err = niu_init_hw(np); 6773e689cf4aSJeff Kirsher if (!err) { 67740822c5d9SKees Cook timer_setup(&np->timer, niu_timer, 0); 6775e689cf4aSJeff Kirsher np->timer.expires = jiffies + HZ; 6776e689cf4aSJeff Kirsher 6777e689cf4aSJeff Kirsher err = niu_enable_interrupts(np, 1); 6778e689cf4aSJeff Kirsher if (err) 6779e689cf4aSJeff Kirsher niu_stop_hw(np); 6780e689cf4aSJeff Kirsher } 6781e689cf4aSJeff Kirsher 6782e689cf4aSJeff Kirsher spin_unlock_irq(&np->lock); 6783e689cf4aSJeff Kirsher 6784e689cf4aSJeff Kirsher if (!err) { 6785e689cf4aSJeff Kirsher netif_tx_start_all_queues(dev); 6786e689cf4aSJeff Kirsher if (np->link_config.loopback_mode != LOOPBACK_DISABLED) 6787e689cf4aSJeff Kirsher netif_carrier_on(dev); 6788e689cf4aSJeff Kirsher 6789e689cf4aSJeff Kirsher add_timer(&np->timer); 6790e689cf4aSJeff Kirsher } 6791e689cf4aSJeff Kirsher 6792e689cf4aSJeff Kirsher return err; 6793e689cf4aSJeff Kirsher } 6794e689cf4aSJeff Kirsher 6795e689cf4aSJeff Kirsher static void niu_get_drvinfo(struct net_device *dev, 6796e689cf4aSJeff Kirsher struct ethtool_drvinfo *info) 6797e689cf4aSJeff Kirsher { 6798e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6799e689cf4aSJeff Kirsher struct niu_vpd *vpd = &np->vpd; 6800e689cf4aSJeff Kirsher 6801f029c781SWolfram Sang strscpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 6802f029c781SWolfram Sang strscpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 680323020ab3SRick Jones snprintf(info->fw_version, sizeof(info->fw_version), "%d.%d", 6804e689cf4aSJeff Kirsher vpd->fcode_major, vpd->fcode_minor); 6805e689cf4aSJeff Kirsher if (np->parent->plat_type != PLAT_TYPE_NIU) 6806f029c781SWolfram Sang strscpy(info->bus_info, pci_name(np->pdev), 680723020ab3SRick Jones sizeof(info->bus_info)); 6808e689cf4aSJeff Kirsher } 6809e689cf4aSJeff Kirsher 6810d9722531SPhilippe Reynes static int niu_get_link_ksettings(struct net_device *dev, 6811d9722531SPhilippe Reynes struct ethtool_link_ksettings *cmd) 6812e689cf4aSJeff Kirsher { 6813e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6814e689cf4aSJeff Kirsher struct niu_link_config *lp; 6815e689cf4aSJeff Kirsher 6816e689cf4aSJeff Kirsher lp = &np->link_config; 6817e689cf4aSJeff Kirsher 6818e689cf4aSJeff Kirsher memset(cmd, 0, sizeof(*cmd)); 6819d9722531SPhilippe Reynes cmd->base.phy_address = np->phy_addr; 6820d9722531SPhilippe Reynes ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, 6821d9722531SPhilippe Reynes lp->supported); 6822d9722531SPhilippe Reynes ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, 6823d9722531SPhilippe Reynes lp->active_advertising); 6824d9722531SPhilippe Reynes cmd->base.autoneg = lp->active_autoneg; 6825d9722531SPhilippe Reynes cmd->base.speed = lp->active_speed; 6826d9722531SPhilippe Reynes cmd->base.duplex = lp->active_duplex; 6827d9722531SPhilippe Reynes cmd->base.port = (np->flags & NIU_FLAGS_FIBER) ? PORT_FIBRE : PORT_TP; 6828e689cf4aSJeff Kirsher 6829e689cf4aSJeff Kirsher return 0; 6830e689cf4aSJeff Kirsher } 6831e689cf4aSJeff Kirsher 6832d9722531SPhilippe Reynes static int niu_set_link_ksettings(struct net_device *dev, 6833d9722531SPhilippe Reynes const struct ethtool_link_ksettings *cmd) 6834e689cf4aSJeff Kirsher { 6835e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6836e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 6837e689cf4aSJeff Kirsher 6838d9722531SPhilippe Reynes ethtool_convert_link_mode_to_legacy_u32(&lp->advertising, 6839d9722531SPhilippe Reynes cmd->link_modes.advertising); 6840d9722531SPhilippe Reynes lp->speed = cmd->base.speed; 6841d9722531SPhilippe Reynes lp->duplex = cmd->base.duplex; 6842d9722531SPhilippe Reynes lp->autoneg = cmd->base.autoneg; 6843e689cf4aSJeff Kirsher return niu_init_link(np); 6844e689cf4aSJeff Kirsher } 6845e689cf4aSJeff Kirsher 6846e689cf4aSJeff Kirsher static u32 niu_get_msglevel(struct net_device *dev) 6847e689cf4aSJeff Kirsher { 6848e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6849e689cf4aSJeff Kirsher return np->msg_enable; 6850e689cf4aSJeff Kirsher } 6851e689cf4aSJeff Kirsher 6852e689cf4aSJeff Kirsher static void niu_set_msglevel(struct net_device *dev, u32 value) 6853e689cf4aSJeff Kirsher { 6854e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6855e689cf4aSJeff Kirsher np->msg_enable = value; 6856e689cf4aSJeff Kirsher } 6857e689cf4aSJeff Kirsher 6858e689cf4aSJeff Kirsher static int niu_nway_reset(struct net_device *dev) 6859e689cf4aSJeff Kirsher { 6860e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6861e689cf4aSJeff Kirsher 6862e689cf4aSJeff Kirsher if (np->link_config.autoneg) 6863e689cf4aSJeff Kirsher return niu_init_link(np); 6864e689cf4aSJeff Kirsher 6865e689cf4aSJeff Kirsher return 0; 6866e689cf4aSJeff Kirsher } 6867e689cf4aSJeff Kirsher 6868e689cf4aSJeff Kirsher static int niu_get_eeprom_len(struct net_device *dev) 6869e689cf4aSJeff Kirsher { 6870e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6871e689cf4aSJeff Kirsher 6872e689cf4aSJeff Kirsher return np->eeprom_len; 6873e689cf4aSJeff Kirsher } 6874e689cf4aSJeff Kirsher 6875e689cf4aSJeff Kirsher static int niu_get_eeprom(struct net_device *dev, 6876e689cf4aSJeff Kirsher struct ethtool_eeprom *eeprom, u8 *data) 6877e689cf4aSJeff Kirsher { 6878e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6879e689cf4aSJeff Kirsher u32 offset, len, val; 6880e689cf4aSJeff Kirsher 6881e689cf4aSJeff Kirsher offset = eeprom->offset; 6882e689cf4aSJeff Kirsher len = eeprom->len; 6883e689cf4aSJeff Kirsher 6884e689cf4aSJeff Kirsher if (offset + len < offset) 6885e689cf4aSJeff Kirsher return -EINVAL; 6886e689cf4aSJeff Kirsher if (offset >= np->eeprom_len) 6887e689cf4aSJeff Kirsher return -EINVAL; 6888e689cf4aSJeff Kirsher if (offset + len > np->eeprom_len) 6889e689cf4aSJeff Kirsher len = eeprom->len = np->eeprom_len - offset; 6890e689cf4aSJeff Kirsher 6891e689cf4aSJeff Kirsher if (offset & 3) { 6892e689cf4aSJeff Kirsher u32 b_offset, b_count; 6893e689cf4aSJeff Kirsher 6894e689cf4aSJeff Kirsher b_offset = offset & 3; 6895e689cf4aSJeff Kirsher b_count = 4 - b_offset; 6896e689cf4aSJeff Kirsher if (b_count > len) 6897e689cf4aSJeff Kirsher b_count = len; 6898e689cf4aSJeff Kirsher 6899e689cf4aSJeff Kirsher val = nr64(ESPC_NCR((offset - b_offset) / 4)); 6900e689cf4aSJeff Kirsher memcpy(data, ((char *)&val) + b_offset, b_count); 6901e689cf4aSJeff Kirsher data += b_count; 6902e689cf4aSJeff Kirsher len -= b_count; 6903e689cf4aSJeff Kirsher offset += b_count; 6904e689cf4aSJeff Kirsher } 6905e689cf4aSJeff Kirsher while (len >= 4) { 6906e689cf4aSJeff Kirsher val = nr64(ESPC_NCR(offset / 4)); 6907e689cf4aSJeff Kirsher memcpy(data, &val, 4); 6908e689cf4aSJeff Kirsher data += 4; 6909e689cf4aSJeff Kirsher len -= 4; 6910e689cf4aSJeff Kirsher offset += 4; 6911e689cf4aSJeff Kirsher } 6912e689cf4aSJeff Kirsher if (len) { 6913e689cf4aSJeff Kirsher val = nr64(ESPC_NCR(offset / 4)); 6914e689cf4aSJeff Kirsher memcpy(data, &val, len); 6915e689cf4aSJeff Kirsher } 6916e689cf4aSJeff Kirsher return 0; 6917e689cf4aSJeff Kirsher } 6918e689cf4aSJeff Kirsher 6919e689cf4aSJeff Kirsher static void niu_ethflow_to_l3proto(int flow_type, u8 *pid) 6920e689cf4aSJeff Kirsher { 6921e689cf4aSJeff Kirsher switch (flow_type) { 6922e689cf4aSJeff Kirsher case TCP_V4_FLOW: 6923e689cf4aSJeff Kirsher case TCP_V6_FLOW: 6924e689cf4aSJeff Kirsher *pid = IPPROTO_TCP; 6925e689cf4aSJeff Kirsher break; 6926e689cf4aSJeff Kirsher case UDP_V4_FLOW: 6927e689cf4aSJeff Kirsher case UDP_V6_FLOW: 6928e689cf4aSJeff Kirsher *pid = IPPROTO_UDP; 6929e689cf4aSJeff Kirsher break; 6930e689cf4aSJeff Kirsher case SCTP_V4_FLOW: 6931e689cf4aSJeff Kirsher case SCTP_V6_FLOW: 6932e689cf4aSJeff Kirsher *pid = IPPROTO_SCTP; 6933e689cf4aSJeff Kirsher break; 6934e689cf4aSJeff Kirsher case AH_V4_FLOW: 6935e689cf4aSJeff Kirsher case AH_V6_FLOW: 6936e689cf4aSJeff Kirsher *pid = IPPROTO_AH; 6937e689cf4aSJeff Kirsher break; 6938e689cf4aSJeff Kirsher case ESP_V4_FLOW: 6939e689cf4aSJeff Kirsher case ESP_V6_FLOW: 6940e689cf4aSJeff Kirsher *pid = IPPROTO_ESP; 6941e689cf4aSJeff Kirsher break; 6942e689cf4aSJeff Kirsher default: 6943e689cf4aSJeff Kirsher *pid = 0; 6944e689cf4aSJeff Kirsher break; 6945e689cf4aSJeff Kirsher } 6946e689cf4aSJeff Kirsher } 6947e689cf4aSJeff Kirsher 6948e689cf4aSJeff Kirsher static int niu_class_to_ethflow(u64 class, int *flow_type) 6949e689cf4aSJeff Kirsher { 6950e689cf4aSJeff Kirsher switch (class) { 6951e689cf4aSJeff Kirsher case CLASS_CODE_TCP_IPV4: 6952e689cf4aSJeff Kirsher *flow_type = TCP_V4_FLOW; 6953e689cf4aSJeff Kirsher break; 6954e689cf4aSJeff Kirsher case CLASS_CODE_UDP_IPV4: 6955e689cf4aSJeff Kirsher *flow_type = UDP_V4_FLOW; 6956e689cf4aSJeff Kirsher break; 6957e689cf4aSJeff Kirsher case CLASS_CODE_AH_ESP_IPV4: 6958e689cf4aSJeff Kirsher *flow_type = AH_V4_FLOW; 6959e689cf4aSJeff Kirsher break; 6960e689cf4aSJeff Kirsher case CLASS_CODE_SCTP_IPV4: 6961e689cf4aSJeff Kirsher *flow_type = SCTP_V4_FLOW; 6962e689cf4aSJeff Kirsher break; 6963e689cf4aSJeff Kirsher case CLASS_CODE_TCP_IPV6: 6964e689cf4aSJeff Kirsher *flow_type = TCP_V6_FLOW; 6965e689cf4aSJeff Kirsher break; 6966e689cf4aSJeff Kirsher case CLASS_CODE_UDP_IPV6: 6967e689cf4aSJeff Kirsher *flow_type = UDP_V6_FLOW; 6968e689cf4aSJeff Kirsher break; 6969e689cf4aSJeff Kirsher case CLASS_CODE_AH_ESP_IPV6: 6970e689cf4aSJeff Kirsher *flow_type = AH_V6_FLOW; 6971e689cf4aSJeff Kirsher break; 6972e689cf4aSJeff Kirsher case CLASS_CODE_SCTP_IPV6: 6973e689cf4aSJeff Kirsher *flow_type = SCTP_V6_FLOW; 6974e689cf4aSJeff Kirsher break; 6975e689cf4aSJeff Kirsher case CLASS_CODE_USER_PROG1: 6976e689cf4aSJeff Kirsher case CLASS_CODE_USER_PROG2: 6977e689cf4aSJeff Kirsher case CLASS_CODE_USER_PROG3: 6978e689cf4aSJeff Kirsher case CLASS_CODE_USER_PROG4: 6979e689cf4aSJeff Kirsher *flow_type = IP_USER_FLOW; 6980e689cf4aSJeff Kirsher break; 6981e689cf4aSJeff Kirsher default: 6982f55ea3d9SDan Carpenter return -EINVAL; 6983e689cf4aSJeff Kirsher } 6984e689cf4aSJeff Kirsher 6985f55ea3d9SDan Carpenter return 0; 6986e689cf4aSJeff Kirsher } 6987e689cf4aSJeff Kirsher 6988e689cf4aSJeff Kirsher static int niu_ethflow_to_class(int flow_type, u64 *class) 6989e689cf4aSJeff Kirsher { 6990e689cf4aSJeff Kirsher switch (flow_type) { 6991e689cf4aSJeff Kirsher case TCP_V4_FLOW: 6992e689cf4aSJeff Kirsher *class = CLASS_CODE_TCP_IPV4; 6993e689cf4aSJeff Kirsher break; 6994e689cf4aSJeff Kirsher case UDP_V4_FLOW: 6995e689cf4aSJeff Kirsher *class = CLASS_CODE_UDP_IPV4; 6996e689cf4aSJeff Kirsher break; 6997e689cf4aSJeff Kirsher case AH_ESP_V4_FLOW: 6998e689cf4aSJeff Kirsher case AH_V4_FLOW: 6999e689cf4aSJeff Kirsher case ESP_V4_FLOW: 7000e689cf4aSJeff Kirsher *class = CLASS_CODE_AH_ESP_IPV4; 7001e689cf4aSJeff Kirsher break; 7002e689cf4aSJeff Kirsher case SCTP_V4_FLOW: 7003e689cf4aSJeff Kirsher *class = CLASS_CODE_SCTP_IPV4; 7004e689cf4aSJeff Kirsher break; 7005e689cf4aSJeff Kirsher case TCP_V6_FLOW: 7006e689cf4aSJeff Kirsher *class = CLASS_CODE_TCP_IPV6; 7007e689cf4aSJeff Kirsher break; 7008e689cf4aSJeff Kirsher case UDP_V6_FLOW: 7009e689cf4aSJeff Kirsher *class = CLASS_CODE_UDP_IPV6; 7010e689cf4aSJeff Kirsher break; 7011e689cf4aSJeff Kirsher case AH_ESP_V6_FLOW: 7012e689cf4aSJeff Kirsher case AH_V6_FLOW: 7013e689cf4aSJeff Kirsher case ESP_V6_FLOW: 7014e689cf4aSJeff Kirsher *class = CLASS_CODE_AH_ESP_IPV6; 7015e689cf4aSJeff Kirsher break; 7016e689cf4aSJeff Kirsher case SCTP_V6_FLOW: 7017e689cf4aSJeff Kirsher *class = CLASS_CODE_SCTP_IPV6; 7018e689cf4aSJeff Kirsher break; 7019e689cf4aSJeff Kirsher default: 7020e689cf4aSJeff Kirsher return 0; 7021e689cf4aSJeff Kirsher } 7022e689cf4aSJeff Kirsher 7023e689cf4aSJeff Kirsher return 1; 7024e689cf4aSJeff Kirsher } 7025e689cf4aSJeff Kirsher 7026e689cf4aSJeff Kirsher static u64 niu_flowkey_to_ethflow(u64 flow_key) 7027e689cf4aSJeff Kirsher { 7028e689cf4aSJeff Kirsher u64 ethflow = 0; 7029e689cf4aSJeff Kirsher 7030e689cf4aSJeff Kirsher if (flow_key & FLOW_KEY_L2DA) 7031e689cf4aSJeff Kirsher ethflow |= RXH_L2DA; 7032e689cf4aSJeff Kirsher if (flow_key & FLOW_KEY_VLAN) 7033e689cf4aSJeff Kirsher ethflow |= RXH_VLAN; 7034e689cf4aSJeff Kirsher if (flow_key & FLOW_KEY_IPSA) 7035e689cf4aSJeff Kirsher ethflow |= RXH_IP_SRC; 7036e689cf4aSJeff Kirsher if (flow_key & FLOW_KEY_IPDA) 7037e689cf4aSJeff Kirsher ethflow |= RXH_IP_DST; 7038e689cf4aSJeff Kirsher if (flow_key & FLOW_KEY_PROTO) 7039e689cf4aSJeff Kirsher ethflow |= RXH_L3_PROTO; 7040e689cf4aSJeff Kirsher if (flow_key & (FLOW_KEY_L4_BYTE12 << FLOW_KEY_L4_0_SHIFT)) 7041e689cf4aSJeff Kirsher ethflow |= RXH_L4_B_0_1; 7042e689cf4aSJeff Kirsher if (flow_key & (FLOW_KEY_L4_BYTE12 << FLOW_KEY_L4_1_SHIFT)) 7043e689cf4aSJeff Kirsher ethflow |= RXH_L4_B_2_3; 7044e689cf4aSJeff Kirsher 7045e689cf4aSJeff Kirsher return ethflow; 7046e689cf4aSJeff Kirsher 7047e689cf4aSJeff Kirsher } 7048e689cf4aSJeff Kirsher 7049e689cf4aSJeff Kirsher static int niu_ethflow_to_flowkey(u64 ethflow, u64 *flow_key) 7050e689cf4aSJeff Kirsher { 7051e689cf4aSJeff Kirsher u64 key = 0; 7052e689cf4aSJeff Kirsher 7053e689cf4aSJeff Kirsher if (ethflow & RXH_L2DA) 7054e689cf4aSJeff Kirsher key |= FLOW_KEY_L2DA; 7055e689cf4aSJeff Kirsher if (ethflow & RXH_VLAN) 7056e689cf4aSJeff Kirsher key |= FLOW_KEY_VLAN; 7057e689cf4aSJeff Kirsher if (ethflow & RXH_IP_SRC) 7058e689cf4aSJeff Kirsher key |= FLOW_KEY_IPSA; 7059e689cf4aSJeff Kirsher if (ethflow & RXH_IP_DST) 7060e689cf4aSJeff Kirsher key |= FLOW_KEY_IPDA; 7061e689cf4aSJeff Kirsher if (ethflow & RXH_L3_PROTO) 7062e689cf4aSJeff Kirsher key |= FLOW_KEY_PROTO; 7063e689cf4aSJeff Kirsher if (ethflow & RXH_L4_B_0_1) 7064e689cf4aSJeff Kirsher key |= (FLOW_KEY_L4_BYTE12 << FLOW_KEY_L4_0_SHIFT); 7065e689cf4aSJeff Kirsher if (ethflow & RXH_L4_B_2_3) 7066e689cf4aSJeff Kirsher key |= (FLOW_KEY_L4_BYTE12 << FLOW_KEY_L4_1_SHIFT); 7067e689cf4aSJeff Kirsher 7068e689cf4aSJeff Kirsher *flow_key = key; 7069e689cf4aSJeff Kirsher 7070e689cf4aSJeff Kirsher return 1; 7071e689cf4aSJeff Kirsher 7072e689cf4aSJeff Kirsher } 7073e689cf4aSJeff Kirsher 7074e689cf4aSJeff Kirsher static int niu_get_hash_opts(struct niu *np, struct ethtool_rxnfc *nfc) 7075e689cf4aSJeff Kirsher { 7076e689cf4aSJeff Kirsher u64 class; 7077e689cf4aSJeff Kirsher 7078e689cf4aSJeff Kirsher nfc->data = 0; 7079e689cf4aSJeff Kirsher 7080e689cf4aSJeff Kirsher if (!niu_ethflow_to_class(nfc->flow_type, &class)) 7081e689cf4aSJeff Kirsher return -EINVAL; 7082e689cf4aSJeff Kirsher 7083e689cf4aSJeff Kirsher if (np->parent->tcam_key[class - CLASS_CODE_USER_PROG1] & 7084e689cf4aSJeff Kirsher TCAM_KEY_DISC) 7085e689cf4aSJeff Kirsher nfc->data = RXH_DISCARD; 7086e689cf4aSJeff Kirsher else 7087e689cf4aSJeff Kirsher nfc->data = niu_flowkey_to_ethflow(np->parent->flow_key[class - 7088e689cf4aSJeff Kirsher CLASS_CODE_USER_PROG1]); 7089e689cf4aSJeff Kirsher return 0; 7090e689cf4aSJeff Kirsher } 7091e689cf4aSJeff Kirsher 7092e689cf4aSJeff Kirsher static void niu_get_ip4fs_from_tcam_key(struct niu_tcam_entry *tp, 7093e689cf4aSJeff Kirsher struct ethtool_rx_flow_spec *fsp) 7094e689cf4aSJeff Kirsher { 7095e689cf4aSJeff Kirsher u32 tmp; 7096e689cf4aSJeff Kirsher u16 prt; 7097e689cf4aSJeff Kirsher 7098e689cf4aSJeff Kirsher tmp = (tp->key[3] & TCAM_V4KEY3_SADDR) >> TCAM_V4KEY3_SADDR_SHIFT; 7099e689cf4aSJeff Kirsher fsp->h_u.tcp_ip4_spec.ip4src = cpu_to_be32(tmp); 7100e689cf4aSJeff Kirsher 7101e689cf4aSJeff Kirsher tmp = (tp->key[3] & TCAM_V4KEY3_DADDR) >> TCAM_V4KEY3_DADDR_SHIFT; 7102e689cf4aSJeff Kirsher fsp->h_u.tcp_ip4_spec.ip4dst = cpu_to_be32(tmp); 7103e689cf4aSJeff Kirsher 7104e689cf4aSJeff Kirsher tmp = (tp->key_mask[3] & TCAM_V4KEY3_SADDR) >> TCAM_V4KEY3_SADDR_SHIFT; 7105e689cf4aSJeff Kirsher fsp->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(tmp); 7106e689cf4aSJeff Kirsher 7107e689cf4aSJeff Kirsher tmp = (tp->key_mask[3] & TCAM_V4KEY3_DADDR) >> TCAM_V4KEY3_DADDR_SHIFT; 7108e689cf4aSJeff Kirsher fsp->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(tmp); 7109e689cf4aSJeff Kirsher 7110e689cf4aSJeff Kirsher fsp->h_u.tcp_ip4_spec.tos = (tp->key[2] & TCAM_V4KEY2_TOS) >> 7111e689cf4aSJeff Kirsher TCAM_V4KEY2_TOS_SHIFT; 7112e689cf4aSJeff Kirsher fsp->m_u.tcp_ip4_spec.tos = (tp->key_mask[2] & TCAM_V4KEY2_TOS) >> 7113e689cf4aSJeff Kirsher TCAM_V4KEY2_TOS_SHIFT; 7114e689cf4aSJeff Kirsher 7115e689cf4aSJeff Kirsher switch (fsp->flow_type) { 7116e689cf4aSJeff Kirsher case TCP_V4_FLOW: 7117e689cf4aSJeff Kirsher case UDP_V4_FLOW: 7118e689cf4aSJeff Kirsher case SCTP_V4_FLOW: 7119e689cf4aSJeff Kirsher prt = ((tp->key[2] & TCAM_V4KEY2_PORT_SPI) >> 7120e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT) >> 16; 7121e689cf4aSJeff Kirsher fsp->h_u.tcp_ip4_spec.psrc = cpu_to_be16(prt); 7122e689cf4aSJeff Kirsher 7123e689cf4aSJeff Kirsher prt = ((tp->key[2] & TCAM_V4KEY2_PORT_SPI) >> 7124e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT) & 0xffff; 7125e689cf4aSJeff Kirsher fsp->h_u.tcp_ip4_spec.pdst = cpu_to_be16(prt); 7126e689cf4aSJeff Kirsher 7127e689cf4aSJeff Kirsher prt = ((tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >> 7128e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT) >> 16; 7129e689cf4aSJeff Kirsher fsp->m_u.tcp_ip4_spec.psrc = cpu_to_be16(prt); 7130e689cf4aSJeff Kirsher 7131e689cf4aSJeff Kirsher prt = ((tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >> 7132e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT) & 0xffff; 7133e689cf4aSJeff Kirsher fsp->m_u.tcp_ip4_spec.pdst = cpu_to_be16(prt); 7134e689cf4aSJeff Kirsher break; 7135e689cf4aSJeff Kirsher case AH_V4_FLOW: 7136e689cf4aSJeff Kirsher case ESP_V4_FLOW: 7137e689cf4aSJeff Kirsher tmp = (tp->key[2] & TCAM_V4KEY2_PORT_SPI) >> 7138e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT; 7139e689cf4aSJeff Kirsher fsp->h_u.ah_ip4_spec.spi = cpu_to_be32(tmp); 7140e689cf4aSJeff Kirsher 7141e689cf4aSJeff Kirsher tmp = (tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >> 7142e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT; 7143e689cf4aSJeff Kirsher fsp->m_u.ah_ip4_spec.spi = cpu_to_be32(tmp); 7144e689cf4aSJeff Kirsher break; 7145e689cf4aSJeff Kirsher case IP_USER_FLOW: 7146e689cf4aSJeff Kirsher tmp = (tp->key[2] & TCAM_V4KEY2_PORT_SPI) >> 7147e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT; 7148e689cf4aSJeff Kirsher fsp->h_u.usr_ip4_spec.l4_4_bytes = cpu_to_be32(tmp); 7149e689cf4aSJeff Kirsher 7150e689cf4aSJeff Kirsher tmp = (tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >> 7151e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT; 7152e689cf4aSJeff Kirsher fsp->m_u.usr_ip4_spec.l4_4_bytes = cpu_to_be32(tmp); 7153e689cf4aSJeff Kirsher 7154e689cf4aSJeff Kirsher fsp->h_u.usr_ip4_spec.proto = 7155e689cf4aSJeff Kirsher (tp->key[2] & TCAM_V4KEY2_PROTO) >> 7156e689cf4aSJeff Kirsher TCAM_V4KEY2_PROTO_SHIFT; 7157e689cf4aSJeff Kirsher fsp->m_u.usr_ip4_spec.proto = 7158e689cf4aSJeff Kirsher (tp->key_mask[2] & TCAM_V4KEY2_PROTO) >> 7159e689cf4aSJeff Kirsher TCAM_V4KEY2_PROTO_SHIFT; 7160e689cf4aSJeff Kirsher 7161e689cf4aSJeff Kirsher fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4; 7162e689cf4aSJeff Kirsher break; 7163e689cf4aSJeff Kirsher default: 7164e689cf4aSJeff Kirsher break; 7165e689cf4aSJeff Kirsher } 7166e689cf4aSJeff Kirsher } 7167e689cf4aSJeff Kirsher 7168e689cf4aSJeff Kirsher static int niu_get_ethtool_tcam_entry(struct niu *np, 7169e689cf4aSJeff Kirsher struct ethtool_rxnfc *nfc) 7170e689cf4aSJeff Kirsher { 7171e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 7172e689cf4aSJeff Kirsher struct niu_tcam_entry *tp; 7173e689cf4aSJeff Kirsher struct ethtool_rx_flow_spec *fsp = &nfc->fs; 7174e689cf4aSJeff Kirsher u16 idx; 7175e689cf4aSJeff Kirsher u64 class; 7176e689cf4aSJeff Kirsher int ret = 0; 7177e689cf4aSJeff Kirsher 7178e689cf4aSJeff Kirsher idx = tcam_get_index(np, (u16)nfc->fs.location); 7179e689cf4aSJeff Kirsher 7180e689cf4aSJeff Kirsher tp = &parent->tcam[idx]; 7181e689cf4aSJeff Kirsher if (!tp->valid) { 7182e689cf4aSJeff Kirsher netdev_info(np->dev, "niu%d: entry [%d] invalid for idx[%d]\n", 7183e689cf4aSJeff Kirsher parent->index, (u16)nfc->fs.location, idx); 7184e689cf4aSJeff Kirsher return -EINVAL; 7185e689cf4aSJeff Kirsher } 7186e689cf4aSJeff Kirsher 7187e689cf4aSJeff Kirsher /* fill the flow spec entry */ 7188e689cf4aSJeff Kirsher class = (tp->key[0] & TCAM_V4KEY0_CLASS_CODE) >> 7189e689cf4aSJeff Kirsher TCAM_V4KEY0_CLASS_CODE_SHIFT; 7190e689cf4aSJeff Kirsher ret = niu_class_to_ethflow(class, &fsp->flow_type); 7191e689cf4aSJeff Kirsher if (ret < 0) { 7192e689cf4aSJeff Kirsher netdev_info(np->dev, "niu%d: niu_class_to_ethflow failed\n", 7193e689cf4aSJeff Kirsher parent->index); 7194e689cf4aSJeff Kirsher goto out; 7195e689cf4aSJeff Kirsher } 7196e689cf4aSJeff Kirsher 7197e689cf4aSJeff Kirsher if (fsp->flow_type == AH_V4_FLOW || fsp->flow_type == AH_V6_FLOW) { 7198e689cf4aSJeff Kirsher u32 proto = (tp->key[2] & TCAM_V4KEY2_PROTO) >> 7199e689cf4aSJeff Kirsher TCAM_V4KEY2_PROTO_SHIFT; 7200e689cf4aSJeff Kirsher if (proto == IPPROTO_ESP) { 7201e689cf4aSJeff Kirsher if (fsp->flow_type == AH_V4_FLOW) 7202e689cf4aSJeff Kirsher fsp->flow_type = ESP_V4_FLOW; 7203e689cf4aSJeff Kirsher else 7204e689cf4aSJeff Kirsher fsp->flow_type = ESP_V6_FLOW; 7205e689cf4aSJeff Kirsher } 7206e689cf4aSJeff Kirsher } 7207e689cf4aSJeff Kirsher 7208e689cf4aSJeff Kirsher switch (fsp->flow_type) { 7209e689cf4aSJeff Kirsher case TCP_V4_FLOW: 7210e689cf4aSJeff Kirsher case UDP_V4_FLOW: 7211e689cf4aSJeff Kirsher case SCTP_V4_FLOW: 7212e689cf4aSJeff Kirsher case AH_V4_FLOW: 7213e689cf4aSJeff Kirsher case ESP_V4_FLOW: 7214e689cf4aSJeff Kirsher niu_get_ip4fs_from_tcam_key(tp, fsp); 7215e689cf4aSJeff Kirsher break; 7216e689cf4aSJeff Kirsher case TCP_V6_FLOW: 7217e689cf4aSJeff Kirsher case UDP_V6_FLOW: 7218e689cf4aSJeff Kirsher case SCTP_V6_FLOW: 7219e689cf4aSJeff Kirsher case AH_V6_FLOW: 7220e689cf4aSJeff Kirsher case ESP_V6_FLOW: 7221e689cf4aSJeff Kirsher /* Not yet implemented */ 7222e689cf4aSJeff Kirsher ret = -EINVAL; 7223e689cf4aSJeff Kirsher break; 7224e689cf4aSJeff Kirsher case IP_USER_FLOW: 7225e689cf4aSJeff Kirsher niu_get_ip4fs_from_tcam_key(tp, fsp); 7226e689cf4aSJeff Kirsher break; 7227e689cf4aSJeff Kirsher default: 7228e689cf4aSJeff Kirsher ret = -EINVAL; 7229e689cf4aSJeff Kirsher break; 7230e689cf4aSJeff Kirsher } 7231e689cf4aSJeff Kirsher 7232e689cf4aSJeff Kirsher if (ret < 0) 7233e689cf4aSJeff Kirsher goto out; 7234e689cf4aSJeff Kirsher 7235e689cf4aSJeff Kirsher if (tp->assoc_data & TCAM_ASSOCDATA_DISC) 7236e689cf4aSJeff Kirsher fsp->ring_cookie = RX_CLS_FLOW_DISC; 7237e689cf4aSJeff Kirsher else 7238e689cf4aSJeff Kirsher fsp->ring_cookie = (tp->assoc_data & TCAM_ASSOCDATA_OFFSET) >> 7239e689cf4aSJeff Kirsher TCAM_ASSOCDATA_OFFSET_SHIFT; 7240e689cf4aSJeff Kirsher 7241e689cf4aSJeff Kirsher /* put the tcam size here */ 7242e689cf4aSJeff Kirsher nfc->data = tcam_get_size(np); 7243e689cf4aSJeff Kirsher out: 7244e689cf4aSJeff Kirsher return ret; 7245e689cf4aSJeff Kirsher } 7246e689cf4aSJeff Kirsher 7247e689cf4aSJeff Kirsher static int niu_get_ethtool_tcam_all(struct niu *np, 7248e689cf4aSJeff Kirsher struct ethtool_rxnfc *nfc, 7249e689cf4aSJeff Kirsher u32 *rule_locs) 7250e689cf4aSJeff Kirsher { 7251e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 7252e689cf4aSJeff Kirsher struct niu_tcam_entry *tp; 7253e689cf4aSJeff Kirsher int i, idx, cnt; 7254e689cf4aSJeff Kirsher unsigned long flags; 7255e689cf4aSJeff Kirsher int ret = 0; 7256e689cf4aSJeff Kirsher 7257e689cf4aSJeff Kirsher /* put the tcam size here */ 7258e689cf4aSJeff Kirsher nfc->data = tcam_get_size(np); 7259e689cf4aSJeff Kirsher 7260e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 7261e689cf4aSJeff Kirsher for (cnt = 0, i = 0; i < nfc->data; i++) { 7262e689cf4aSJeff Kirsher idx = tcam_get_index(np, i); 7263e689cf4aSJeff Kirsher tp = &parent->tcam[idx]; 7264e689cf4aSJeff Kirsher if (!tp->valid) 7265e689cf4aSJeff Kirsher continue; 7266e689cf4aSJeff Kirsher if (cnt == nfc->rule_cnt) { 7267e689cf4aSJeff Kirsher ret = -EMSGSIZE; 7268e689cf4aSJeff Kirsher break; 7269e689cf4aSJeff Kirsher } 7270e689cf4aSJeff Kirsher rule_locs[cnt] = i; 7271e689cf4aSJeff Kirsher cnt++; 7272e689cf4aSJeff Kirsher } 7273e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 7274e689cf4aSJeff Kirsher 7275473e64eeSBen Hutchings nfc->rule_cnt = cnt; 7276473e64eeSBen Hutchings 7277e689cf4aSJeff Kirsher return ret; 7278e689cf4aSJeff Kirsher } 7279e689cf4aSJeff Kirsher 7280e689cf4aSJeff Kirsher static int niu_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 7281815c7db5SBen Hutchings u32 *rule_locs) 7282e689cf4aSJeff Kirsher { 7283e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 7284e689cf4aSJeff Kirsher int ret = 0; 7285e689cf4aSJeff Kirsher 7286e689cf4aSJeff Kirsher switch (cmd->cmd) { 7287e689cf4aSJeff Kirsher case ETHTOOL_GRXFH: 7288e689cf4aSJeff Kirsher ret = niu_get_hash_opts(np, cmd); 7289e689cf4aSJeff Kirsher break; 7290e689cf4aSJeff Kirsher case ETHTOOL_GRXRINGS: 7291e689cf4aSJeff Kirsher cmd->data = np->num_rx_rings; 7292e689cf4aSJeff Kirsher break; 7293e689cf4aSJeff Kirsher case ETHTOOL_GRXCLSRLCNT: 7294e689cf4aSJeff Kirsher cmd->rule_cnt = tcam_get_valid_entry_cnt(np); 7295e689cf4aSJeff Kirsher break; 7296e689cf4aSJeff Kirsher case ETHTOOL_GRXCLSRULE: 7297e689cf4aSJeff Kirsher ret = niu_get_ethtool_tcam_entry(np, cmd); 7298e689cf4aSJeff Kirsher break; 7299e689cf4aSJeff Kirsher case ETHTOOL_GRXCLSRLALL: 7300815c7db5SBen Hutchings ret = niu_get_ethtool_tcam_all(np, cmd, rule_locs); 7301e689cf4aSJeff Kirsher break; 7302e689cf4aSJeff Kirsher default: 7303e689cf4aSJeff Kirsher ret = -EINVAL; 7304e689cf4aSJeff Kirsher break; 7305e689cf4aSJeff Kirsher } 7306e689cf4aSJeff Kirsher 7307e689cf4aSJeff Kirsher return ret; 7308e689cf4aSJeff Kirsher } 7309e689cf4aSJeff Kirsher 7310e689cf4aSJeff Kirsher static int niu_set_hash_opts(struct niu *np, struct ethtool_rxnfc *nfc) 7311e689cf4aSJeff Kirsher { 7312e689cf4aSJeff Kirsher u64 class; 7313e689cf4aSJeff Kirsher u64 flow_key = 0; 7314e689cf4aSJeff Kirsher unsigned long flags; 7315e689cf4aSJeff Kirsher 7316e689cf4aSJeff Kirsher if (!niu_ethflow_to_class(nfc->flow_type, &class)) 7317e689cf4aSJeff Kirsher return -EINVAL; 7318e689cf4aSJeff Kirsher 7319e689cf4aSJeff Kirsher if (class < CLASS_CODE_USER_PROG1 || 7320e689cf4aSJeff Kirsher class > CLASS_CODE_SCTP_IPV6) 7321e689cf4aSJeff Kirsher return -EINVAL; 7322e689cf4aSJeff Kirsher 7323e689cf4aSJeff Kirsher if (nfc->data & RXH_DISCARD) { 7324e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 7325e689cf4aSJeff Kirsher flow_key = np->parent->tcam_key[class - 7326e689cf4aSJeff Kirsher CLASS_CODE_USER_PROG1]; 7327e689cf4aSJeff Kirsher flow_key |= TCAM_KEY_DISC; 7328e689cf4aSJeff Kirsher nw64(TCAM_KEY(class - CLASS_CODE_USER_PROG1), flow_key); 7329e689cf4aSJeff Kirsher np->parent->tcam_key[class - CLASS_CODE_USER_PROG1] = flow_key; 7330e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 7331e689cf4aSJeff Kirsher return 0; 7332e689cf4aSJeff Kirsher } else { 7333e689cf4aSJeff Kirsher /* Discard was set before, but is not set now */ 7334e689cf4aSJeff Kirsher if (np->parent->tcam_key[class - CLASS_CODE_USER_PROG1] & 7335e689cf4aSJeff Kirsher TCAM_KEY_DISC) { 7336e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 7337e689cf4aSJeff Kirsher flow_key = np->parent->tcam_key[class - 7338e689cf4aSJeff Kirsher CLASS_CODE_USER_PROG1]; 7339e689cf4aSJeff Kirsher flow_key &= ~TCAM_KEY_DISC; 7340e689cf4aSJeff Kirsher nw64(TCAM_KEY(class - CLASS_CODE_USER_PROG1), 7341e689cf4aSJeff Kirsher flow_key); 7342e689cf4aSJeff Kirsher np->parent->tcam_key[class - CLASS_CODE_USER_PROG1] = 7343e689cf4aSJeff Kirsher flow_key; 7344e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 7345e689cf4aSJeff Kirsher } 7346e689cf4aSJeff Kirsher } 7347e689cf4aSJeff Kirsher 7348e689cf4aSJeff Kirsher if (!niu_ethflow_to_flowkey(nfc->data, &flow_key)) 7349e689cf4aSJeff Kirsher return -EINVAL; 7350e689cf4aSJeff Kirsher 7351e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 7352e689cf4aSJeff Kirsher nw64(FLOW_KEY(class - CLASS_CODE_USER_PROG1), flow_key); 7353e689cf4aSJeff Kirsher np->parent->flow_key[class - CLASS_CODE_USER_PROG1] = flow_key; 7354e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 7355e689cf4aSJeff Kirsher 7356e689cf4aSJeff Kirsher return 0; 7357e689cf4aSJeff Kirsher } 7358e689cf4aSJeff Kirsher 7359e689cf4aSJeff Kirsher static void niu_get_tcamkey_from_ip4fs(struct ethtool_rx_flow_spec *fsp, 7360e689cf4aSJeff Kirsher struct niu_tcam_entry *tp, 7361e689cf4aSJeff Kirsher int l2_rdc_tab, u64 class) 7362e689cf4aSJeff Kirsher { 7363e689cf4aSJeff Kirsher u8 pid = 0; 7364e689cf4aSJeff Kirsher u32 sip, dip, sipm, dipm, spi, spim; 7365e689cf4aSJeff Kirsher u16 sport, dport, spm, dpm; 7366e689cf4aSJeff Kirsher 7367e689cf4aSJeff Kirsher sip = be32_to_cpu(fsp->h_u.tcp_ip4_spec.ip4src); 7368e689cf4aSJeff Kirsher sipm = be32_to_cpu(fsp->m_u.tcp_ip4_spec.ip4src); 7369e689cf4aSJeff Kirsher dip = be32_to_cpu(fsp->h_u.tcp_ip4_spec.ip4dst); 7370e689cf4aSJeff Kirsher dipm = be32_to_cpu(fsp->m_u.tcp_ip4_spec.ip4dst); 7371e689cf4aSJeff Kirsher 7372e689cf4aSJeff Kirsher tp->key[0] = class << TCAM_V4KEY0_CLASS_CODE_SHIFT; 7373e689cf4aSJeff Kirsher tp->key_mask[0] = TCAM_V4KEY0_CLASS_CODE; 7374e689cf4aSJeff Kirsher tp->key[1] = (u64)l2_rdc_tab << TCAM_V4KEY1_L2RDCNUM_SHIFT; 7375e689cf4aSJeff Kirsher tp->key_mask[1] = TCAM_V4KEY1_L2RDCNUM; 7376e689cf4aSJeff Kirsher 7377e689cf4aSJeff Kirsher tp->key[3] = (u64)sip << TCAM_V4KEY3_SADDR_SHIFT; 7378e689cf4aSJeff Kirsher tp->key[3] |= dip; 7379e689cf4aSJeff Kirsher 7380e689cf4aSJeff Kirsher tp->key_mask[3] = (u64)sipm << TCAM_V4KEY3_SADDR_SHIFT; 7381e689cf4aSJeff Kirsher tp->key_mask[3] |= dipm; 7382e689cf4aSJeff Kirsher 7383e689cf4aSJeff Kirsher tp->key[2] |= ((u64)fsp->h_u.tcp_ip4_spec.tos << 7384e689cf4aSJeff Kirsher TCAM_V4KEY2_TOS_SHIFT); 7385e689cf4aSJeff Kirsher tp->key_mask[2] |= ((u64)fsp->m_u.tcp_ip4_spec.tos << 7386e689cf4aSJeff Kirsher TCAM_V4KEY2_TOS_SHIFT); 7387e689cf4aSJeff Kirsher switch (fsp->flow_type) { 7388e689cf4aSJeff Kirsher case TCP_V4_FLOW: 7389e689cf4aSJeff Kirsher case UDP_V4_FLOW: 7390e689cf4aSJeff Kirsher case SCTP_V4_FLOW: 7391e689cf4aSJeff Kirsher sport = be16_to_cpu(fsp->h_u.tcp_ip4_spec.psrc); 7392e689cf4aSJeff Kirsher spm = be16_to_cpu(fsp->m_u.tcp_ip4_spec.psrc); 7393e689cf4aSJeff Kirsher dport = be16_to_cpu(fsp->h_u.tcp_ip4_spec.pdst); 7394e689cf4aSJeff Kirsher dpm = be16_to_cpu(fsp->m_u.tcp_ip4_spec.pdst); 7395e689cf4aSJeff Kirsher 7396e689cf4aSJeff Kirsher tp->key[2] |= (((u64)sport << 16) | dport); 7397e689cf4aSJeff Kirsher tp->key_mask[2] |= (((u64)spm << 16) | dpm); 7398e689cf4aSJeff Kirsher niu_ethflow_to_l3proto(fsp->flow_type, &pid); 7399e689cf4aSJeff Kirsher break; 7400e689cf4aSJeff Kirsher case AH_V4_FLOW: 7401e689cf4aSJeff Kirsher case ESP_V4_FLOW: 7402e689cf4aSJeff Kirsher spi = be32_to_cpu(fsp->h_u.ah_ip4_spec.spi); 7403e689cf4aSJeff Kirsher spim = be32_to_cpu(fsp->m_u.ah_ip4_spec.spi); 7404e689cf4aSJeff Kirsher 7405e689cf4aSJeff Kirsher tp->key[2] |= spi; 7406e689cf4aSJeff Kirsher tp->key_mask[2] |= spim; 7407e689cf4aSJeff Kirsher niu_ethflow_to_l3proto(fsp->flow_type, &pid); 7408e689cf4aSJeff Kirsher break; 7409e689cf4aSJeff Kirsher case IP_USER_FLOW: 7410e689cf4aSJeff Kirsher spi = be32_to_cpu(fsp->h_u.usr_ip4_spec.l4_4_bytes); 7411e689cf4aSJeff Kirsher spim = be32_to_cpu(fsp->m_u.usr_ip4_spec.l4_4_bytes); 7412e689cf4aSJeff Kirsher 7413e689cf4aSJeff Kirsher tp->key[2] |= spi; 7414e689cf4aSJeff Kirsher tp->key_mask[2] |= spim; 7415e689cf4aSJeff Kirsher pid = fsp->h_u.usr_ip4_spec.proto; 7416e689cf4aSJeff Kirsher break; 7417e689cf4aSJeff Kirsher default: 7418e689cf4aSJeff Kirsher break; 7419e689cf4aSJeff Kirsher } 7420e689cf4aSJeff Kirsher 7421e689cf4aSJeff Kirsher tp->key[2] |= ((u64)pid << TCAM_V4KEY2_PROTO_SHIFT); 7422e689cf4aSJeff Kirsher if (pid) { 7423e689cf4aSJeff Kirsher tp->key_mask[2] |= TCAM_V4KEY2_PROTO; 7424e689cf4aSJeff Kirsher } 7425e689cf4aSJeff Kirsher } 7426e689cf4aSJeff Kirsher 7427e689cf4aSJeff Kirsher static int niu_add_ethtool_tcam_entry(struct niu *np, 7428e689cf4aSJeff Kirsher struct ethtool_rxnfc *nfc) 7429e689cf4aSJeff Kirsher { 7430e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 7431e689cf4aSJeff Kirsher struct niu_tcam_entry *tp; 7432e689cf4aSJeff Kirsher struct ethtool_rx_flow_spec *fsp = &nfc->fs; 7433e689cf4aSJeff Kirsher struct niu_rdc_tables *rdc_table = &parent->rdc_group_cfg[np->port]; 7434e689cf4aSJeff Kirsher int l2_rdc_table = rdc_table->first_table_num; 7435e689cf4aSJeff Kirsher u16 idx; 7436e689cf4aSJeff Kirsher u64 class; 7437e689cf4aSJeff Kirsher unsigned long flags; 7438e689cf4aSJeff Kirsher int err, ret; 7439e689cf4aSJeff Kirsher 7440e689cf4aSJeff Kirsher ret = 0; 7441e689cf4aSJeff Kirsher 7442e689cf4aSJeff Kirsher idx = nfc->fs.location; 7443e689cf4aSJeff Kirsher if (idx >= tcam_get_size(np)) 7444e689cf4aSJeff Kirsher return -EINVAL; 7445e689cf4aSJeff Kirsher 7446e689cf4aSJeff Kirsher if (fsp->flow_type == IP_USER_FLOW) { 7447e689cf4aSJeff Kirsher int i; 7448e689cf4aSJeff Kirsher int add_usr_cls = 0; 7449e689cf4aSJeff Kirsher struct ethtool_usrip4_spec *uspec = &fsp->h_u.usr_ip4_spec; 7450e689cf4aSJeff Kirsher struct ethtool_usrip4_spec *umask = &fsp->m_u.usr_ip4_spec; 7451e689cf4aSJeff Kirsher 7452e689cf4aSJeff Kirsher if (uspec->ip_ver != ETH_RX_NFC_IP4) 7453e689cf4aSJeff Kirsher return -EINVAL; 7454e689cf4aSJeff Kirsher 7455e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 7456e689cf4aSJeff Kirsher 7457e689cf4aSJeff Kirsher for (i = 0; i < NIU_L3_PROG_CLS; i++) { 7458e689cf4aSJeff Kirsher if (parent->l3_cls[i]) { 7459e689cf4aSJeff Kirsher if (uspec->proto == parent->l3_cls_pid[i]) { 7460e689cf4aSJeff Kirsher class = parent->l3_cls[i]; 7461e689cf4aSJeff Kirsher parent->l3_cls_refcnt[i]++; 7462e689cf4aSJeff Kirsher add_usr_cls = 1; 7463e689cf4aSJeff Kirsher break; 7464e689cf4aSJeff Kirsher } 7465e689cf4aSJeff Kirsher } else { 7466e689cf4aSJeff Kirsher /* Program new user IP class */ 7467e689cf4aSJeff Kirsher switch (i) { 7468e689cf4aSJeff Kirsher case 0: 7469e689cf4aSJeff Kirsher class = CLASS_CODE_USER_PROG1; 7470e689cf4aSJeff Kirsher break; 7471e689cf4aSJeff Kirsher case 1: 7472e689cf4aSJeff Kirsher class = CLASS_CODE_USER_PROG2; 7473e689cf4aSJeff Kirsher break; 7474e689cf4aSJeff Kirsher case 2: 7475e689cf4aSJeff Kirsher class = CLASS_CODE_USER_PROG3; 7476e689cf4aSJeff Kirsher break; 7477e689cf4aSJeff Kirsher case 3: 7478e689cf4aSJeff Kirsher class = CLASS_CODE_USER_PROG4; 7479e689cf4aSJeff Kirsher break; 7480e689cf4aSJeff Kirsher default: 748109073525SNathan Chancellor class = CLASS_CODE_UNRECOG; 7482e689cf4aSJeff Kirsher break; 7483e689cf4aSJeff Kirsher } 7484e689cf4aSJeff Kirsher ret = tcam_user_ip_class_set(np, class, 0, 7485e689cf4aSJeff Kirsher uspec->proto, 7486e689cf4aSJeff Kirsher uspec->tos, 7487e689cf4aSJeff Kirsher umask->tos); 7488e689cf4aSJeff Kirsher if (ret) 7489e689cf4aSJeff Kirsher goto out; 7490e689cf4aSJeff Kirsher 7491e689cf4aSJeff Kirsher ret = tcam_user_ip_class_enable(np, class, 1); 7492e689cf4aSJeff Kirsher if (ret) 7493e689cf4aSJeff Kirsher goto out; 7494e689cf4aSJeff Kirsher parent->l3_cls[i] = class; 7495e689cf4aSJeff Kirsher parent->l3_cls_pid[i] = uspec->proto; 7496e689cf4aSJeff Kirsher parent->l3_cls_refcnt[i]++; 7497e689cf4aSJeff Kirsher add_usr_cls = 1; 7498e689cf4aSJeff Kirsher break; 7499e689cf4aSJeff Kirsher } 7500e689cf4aSJeff Kirsher } 7501e689cf4aSJeff Kirsher if (!add_usr_cls) { 7502e689cf4aSJeff Kirsher netdev_info(np->dev, "niu%d: %s(): Could not find/insert class for pid %d\n", 7503e689cf4aSJeff Kirsher parent->index, __func__, uspec->proto); 7504e689cf4aSJeff Kirsher ret = -EINVAL; 7505e689cf4aSJeff Kirsher goto out; 7506e689cf4aSJeff Kirsher } 7507e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 7508e689cf4aSJeff Kirsher } else { 7509e689cf4aSJeff Kirsher if (!niu_ethflow_to_class(fsp->flow_type, &class)) { 7510e689cf4aSJeff Kirsher return -EINVAL; 7511e689cf4aSJeff Kirsher } 7512e689cf4aSJeff Kirsher } 7513e689cf4aSJeff Kirsher 7514e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 7515e689cf4aSJeff Kirsher 7516e689cf4aSJeff Kirsher idx = tcam_get_index(np, idx); 7517e689cf4aSJeff Kirsher tp = &parent->tcam[idx]; 7518e689cf4aSJeff Kirsher 7519e689cf4aSJeff Kirsher memset(tp, 0, sizeof(*tp)); 7520e689cf4aSJeff Kirsher 7521e689cf4aSJeff Kirsher /* fill in the tcam key and mask */ 7522e689cf4aSJeff Kirsher switch (fsp->flow_type) { 7523e689cf4aSJeff Kirsher case TCP_V4_FLOW: 7524e689cf4aSJeff Kirsher case UDP_V4_FLOW: 7525e689cf4aSJeff Kirsher case SCTP_V4_FLOW: 7526e689cf4aSJeff Kirsher case AH_V4_FLOW: 7527e689cf4aSJeff Kirsher case ESP_V4_FLOW: 7528e689cf4aSJeff Kirsher niu_get_tcamkey_from_ip4fs(fsp, tp, l2_rdc_table, class); 7529e689cf4aSJeff Kirsher break; 7530e689cf4aSJeff Kirsher case TCP_V6_FLOW: 7531e689cf4aSJeff Kirsher case UDP_V6_FLOW: 7532e689cf4aSJeff Kirsher case SCTP_V6_FLOW: 7533e689cf4aSJeff Kirsher case AH_V6_FLOW: 7534e689cf4aSJeff Kirsher case ESP_V6_FLOW: 7535e689cf4aSJeff Kirsher /* Not yet implemented */ 7536e689cf4aSJeff Kirsher netdev_info(np->dev, "niu%d: In %s(): flow %d for IPv6 not implemented\n", 7537e689cf4aSJeff Kirsher parent->index, __func__, fsp->flow_type); 7538e689cf4aSJeff Kirsher ret = -EINVAL; 7539e689cf4aSJeff Kirsher goto out; 7540e689cf4aSJeff Kirsher case IP_USER_FLOW: 7541e689cf4aSJeff Kirsher niu_get_tcamkey_from_ip4fs(fsp, tp, l2_rdc_table, class); 7542e689cf4aSJeff Kirsher break; 7543e689cf4aSJeff Kirsher default: 7544e689cf4aSJeff Kirsher netdev_info(np->dev, "niu%d: In %s(): Unknown flow type %d\n", 7545e689cf4aSJeff Kirsher parent->index, __func__, fsp->flow_type); 7546e689cf4aSJeff Kirsher ret = -EINVAL; 7547e689cf4aSJeff Kirsher goto out; 7548e689cf4aSJeff Kirsher } 7549e689cf4aSJeff Kirsher 7550e689cf4aSJeff Kirsher /* fill in the assoc data */ 7551e689cf4aSJeff Kirsher if (fsp->ring_cookie == RX_CLS_FLOW_DISC) { 7552e689cf4aSJeff Kirsher tp->assoc_data = TCAM_ASSOCDATA_DISC; 7553e689cf4aSJeff Kirsher } else { 7554e689cf4aSJeff Kirsher if (fsp->ring_cookie >= np->num_rx_rings) { 7555e689cf4aSJeff Kirsher netdev_info(np->dev, "niu%d: In %s(): Invalid RX ring %lld\n", 7556e689cf4aSJeff Kirsher parent->index, __func__, 7557e689cf4aSJeff Kirsher (long long)fsp->ring_cookie); 7558e689cf4aSJeff Kirsher ret = -EINVAL; 7559e689cf4aSJeff Kirsher goto out; 7560e689cf4aSJeff Kirsher } 7561e689cf4aSJeff Kirsher tp->assoc_data = (TCAM_ASSOCDATA_TRES_USE_OFFSET | 7562e689cf4aSJeff Kirsher (fsp->ring_cookie << 7563e689cf4aSJeff Kirsher TCAM_ASSOCDATA_OFFSET_SHIFT)); 7564e689cf4aSJeff Kirsher } 7565e689cf4aSJeff Kirsher 7566e689cf4aSJeff Kirsher err = tcam_write(np, idx, tp->key, tp->key_mask); 7567e689cf4aSJeff Kirsher if (err) { 7568e689cf4aSJeff Kirsher ret = -EINVAL; 7569e689cf4aSJeff Kirsher goto out; 7570e689cf4aSJeff Kirsher } 7571e689cf4aSJeff Kirsher err = tcam_assoc_write(np, idx, tp->assoc_data); 7572e689cf4aSJeff Kirsher if (err) { 7573e689cf4aSJeff Kirsher ret = -EINVAL; 7574e689cf4aSJeff Kirsher goto out; 7575e689cf4aSJeff Kirsher } 7576e689cf4aSJeff Kirsher 7577e689cf4aSJeff Kirsher /* validate the entry */ 7578e689cf4aSJeff Kirsher tp->valid = 1; 7579e689cf4aSJeff Kirsher np->clas.tcam_valid_entries++; 7580e689cf4aSJeff Kirsher out: 7581e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 7582e689cf4aSJeff Kirsher 7583e689cf4aSJeff Kirsher return ret; 7584e689cf4aSJeff Kirsher } 7585e689cf4aSJeff Kirsher 7586e689cf4aSJeff Kirsher static int niu_del_ethtool_tcam_entry(struct niu *np, u32 loc) 7587e689cf4aSJeff Kirsher { 7588e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 7589e689cf4aSJeff Kirsher struct niu_tcam_entry *tp; 7590e689cf4aSJeff Kirsher u16 idx; 7591e689cf4aSJeff Kirsher unsigned long flags; 7592e689cf4aSJeff Kirsher u64 class; 7593e689cf4aSJeff Kirsher int ret = 0; 7594e689cf4aSJeff Kirsher 7595e689cf4aSJeff Kirsher if (loc >= tcam_get_size(np)) 7596e689cf4aSJeff Kirsher return -EINVAL; 7597e689cf4aSJeff Kirsher 7598e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 7599e689cf4aSJeff Kirsher 7600e689cf4aSJeff Kirsher idx = tcam_get_index(np, loc); 7601e689cf4aSJeff Kirsher tp = &parent->tcam[idx]; 7602e689cf4aSJeff Kirsher 7603e689cf4aSJeff Kirsher /* if the entry is of a user defined class, then update*/ 7604e689cf4aSJeff Kirsher class = (tp->key[0] & TCAM_V4KEY0_CLASS_CODE) >> 7605e689cf4aSJeff Kirsher TCAM_V4KEY0_CLASS_CODE_SHIFT; 7606e689cf4aSJeff Kirsher 7607e689cf4aSJeff Kirsher if (class >= CLASS_CODE_USER_PROG1 && class <= CLASS_CODE_USER_PROG4) { 7608e689cf4aSJeff Kirsher int i; 7609e689cf4aSJeff Kirsher for (i = 0; i < NIU_L3_PROG_CLS; i++) { 7610e689cf4aSJeff Kirsher if (parent->l3_cls[i] == class) { 7611e689cf4aSJeff Kirsher parent->l3_cls_refcnt[i]--; 7612e689cf4aSJeff Kirsher if (!parent->l3_cls_refcnt[i]) { 7613e689cf4aSJeff Kirsher /* disable class */ 7614e689cf4aSJeff Kirsher ret = tcam_user_ip_class_enable(np, 7615e689cf4aSJeff Kirsher class, 7616e689cf4aSJeff Kirsher 0); 7617e689cf4aSJeff Kirsher if (ret) 7618e689cf4aSJeff Kirsher goto out; 7619e689cf4aSJeff Kirsher parent->l3_cls[i] = 0; 7620e689cf4aSJeff Kirsher parent->l3_cls_pid[i] = 0; 7621e689cf4aSJeff Kirsher } 7622e689cf4aSJeff Kirsher break; 7623e689cf4aSJeff Kirsher } 7624e689cf4aSJeff Kirsher } 7625e689cf4aSJeff Kirsher if (i == NIU_L3_PROG_CLS) { 7626e689cf4aSJeff Kirsher netdev_info(np->dev, "niu%d: In %s(): Usr class 0x%llx not found\n", 7627e689cf4aSJeff Kirsher parent->index, __func__, 7628e689cf4aSJeff Kirsher (unsigned long long)class); 7629e689cf4aSJeff Kirsher ret = -EINVAL; 7630e689cf4aSJeff Kirsher goto out; 7631e689cf4aSJeff Kirsher } 7632e689cf4aSJeff Kirsher } 7633e689cf4aSJeff Kirsher 7634e689cf4aSJeff Kirsher ret = tcam_flush(np, idx); 7635e689cf4aSJeff Kirsher if (ret) 7636e689cf4aSJeff Kirsher goto out; 7637e689cf4aSJeff Kirsher 7638e689cf4aSJeff Kirsher /* invalidate the entry */ 7639e689cf4aSJeff Kirsher tp->valid = 0; 7640e689cf4aSJeff Kirsher np->clas.tcam_valid_entries--; 7641e689cf4aSJeff Kirsher out: 7642e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 7643e689cf4aSJeff Kirsher 7644e689cf4aSJeff Kirsher return ret; 7645e689cf4aSJeff Kirsher } 7646e689cf4aSJeff Kirsher 7647e689cf4aSJeff Kirsher static int niu_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 7648e689cf4aSJeff Kirsher { 7649e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 7650e689cf4aSJeff Kirsher int ret = 0; 7651e689cf4aSJeff Kirsher 7652e689cf4aSJeff Kirsher switch (cmd->cmd) { 7653e689cf4aSJeff Kirsher case ETHTOOL_SRXFH: 7654e689cf4aSJeff Kirsher ret = niu_set_hash_opts(np, cmd); 7655e689cf4aSJeff Kirsher break; 7656e689cf4aSJeff Kirsher case ETHTOOL_SRXCLSRLINS: 7657e689cf4aSJeff Kirsher ret = niu_add_ethtool_tcam_entry(np, cmd); 7658e689cf4aSJeff Kirsher break; 7659e689cf4aSJeff Kirsher case ETHTOOL_SRXCLSRLDEL: 7660e689cf4aSJeff Kirsher ret = niu_del_ethtool_tcam_entry(np, cmd->fs.location); 7661e689cf4aSJeff Kirsher break; 7662e689cf4aSJeff Kirsher default: 7663e689cf4aSJeff Kirsher ret = -EINVAL; 7664e689cf4aSJeff Kirsher break; 7665e689cf4aSJeff Kirsher } 7666e689cf4aSJeff Kirsher 7667e689cf4aSJeff Kirsher return ret; 7668e689cf4aSJeff Kirsher } 7669e689cf4aSJeff Kirsher 7670e689cf4aSJeff Kirsher static const struct { 7671e689cf4aSJeff Kirsher const char string[ETH_GSTRING_LEN]; 7672e689cf4aSJeff Kirsher } niu_xmac_stat_keys[] = { 7673e689cf4aSJeff Kirsher { "tx_frames" }, 7674e689cf4aSJeff Kirsher { "tx_bytes" }, 7675e689cf4aSJeff Kirsher { "tx_fifo_errors" }, 7676e689cf4aSJeff Kirsher { "tx_overflow_errors" }, 7677e689cf4aSJeff Kirsher { "tx_max_pkt_size_errors" }, 7678e689cf4aSJeff Kirsher { "tx_underflow_errors" }, 7679e689cf4aSJeff Kirsher { "rx_local_faults" }, 7680e689cf4aSJeff Kirsher { "rx_remote_faults" }, 7681e689cf4aSJeff Kirsher { "rx_link_faults" }, 7682e689cf4aSJeff Kirsher { "rx_align_errors" }, 7683e689cf4aSJeff Kirsher { "rx_frags" }, 7684e689cf4aSJeff Kirsher { "rx_mcasts" }, 7685e689cf4aSJeff Kirsher { "rx_bcasts" }, 7686e689cf4aSJeff Kirsher { "rx_hist_cnt1" }, 7687e689cf4aSJeff Kirsher { "rx_hist_cnt2" }, 7688e689cf4aSJeff Kirsher { "rx_hist_cnt3" }, 7689e689cf4aSJeff Kirsher { "rx_hist_cnt4" }, 7690e689cf4aSJeff Kirsher { "rx_hist_cnt5" }, 7691e689cf4aSJeff Kirsher { "rx_hist_cnt6" }, 7692e689cf4aSJeff Kirsher { "rx_hist_cnt7" }, 7693e689cf4aSJeff Kirsher { "rx_octets" }, 7694e689cf4aSJeff Kirsher { "rx_code_violations" }, 7695e689cf4aSJeff Kirsher { "rx_len_errors" }, 7696e689cf4aSJeff Kirsher { "rx_crc_errors" }, 7697e689cf4aSJeff Kirsher { "rx_underflows" }, 7698e689cf4aSJeff Kirsher { "rx_overflows" }, 7699e689cf4aSJeff Kirsher { "pause_off_state" }, 7700e689cf4aSJeff Kirsher { "pause_on_state" }, 7701e689cf4aSJeff Kirsher { "pause_received" }, 7702e689cf4aSJeff Kirsher }; 7703e689cf4aSJeff Kirsher 7704e689cf4aSJeff Kirsher #define NUM_XMAC_STAT_KEYS ARRAY_SIZE(niu_xmac_stat_keys) 7705e689cf4aSJeff Kirsher 7706e689cf4aSJeff Kirsher static const struct { 7707e689cf4aSJeff Kirsher const char string[ETH_GSTRING_LEN]; 7708e689cf4aSJeff Kirsher } niu_bmac_stat_keys[] = { 7709e689cf4aSJeff Kirsher { "tx_underflow_errors" }, 7710e689cf4aSJeff Kirsher { "tx_max_pkt_size_errors" }, 7711e689cf4aSJeff Kirsher { "tx_bytes" }, 7712e689cf4aSJeff Kirsher { "tx_frames" }, 7713e689cf4aSJeff Kirsher { "rx_overflows" }, 7714e689cf4aSJeff Kirsher { "rx_frames" }, 7715e689cf4aSJeff Kirsher { "rx_align_errors" }, 7716e689cf4aSJeff Kirsher { "rx_crc_errors" }, 7717e689cf4aSJeff Kirsher { "rx_len_errors" }, 7718e689cf4aSJeff Kirsher { "pause_off_state" }, 7719e689cf4aSJeff Kirsher { "pause_on_state" }, 7720e689cf4aSJeff Kirsher { "pause_received" }, 7721e689cf4aSJeff Kirsher }; 7722e689cf4aSJeff Kirsher 7723e689cf4aSJeff Kirsher #define NUM_BMAC_STAT_KEYS ARRAY_SIZE(niu_bmac_stat_keys) 7724e689cf4aSJeff Kirsher 7725e689cf4aSJeff Kirsher static const struct { 7726e689cf4aSJeff Kirsher const char string[ETH_GSTRING_LEN]; 7727e689cf4aSJeff Kirsher } niu_rxchan_stat_keys[] = { 7728e689cf4aSJeff Kirsher { "rx_channel" }, 7729e689cf4aSJeff Kirsher { "rx_packets" }, 7730e689cf4aSJeff Kirsher { "rx_bytes" }, 7731e689cf4aSJeff Kirsher { "rx_dropped" }, 7732e689cf4aSJeff Kirsher { "rx_errors" }, 7733e689cf4aSJeff Kirsher }; 7734e689cf4aSJeff Kirsher 7735e689cf4aSJeff Kirsher #define NUM_RXCHAN_STAT_KEYS ARRAY_SIZE(niu_rxchan_stat_keys) 7736e689cf4aSJeff Kirsher 7737e689cf4aSJeff Kirsher static const struct { 7738e689cf4aSJeff Kirsher const char string[ETH_GSTRING_LEN]; 7739e689cf4aSJeff Kirsher } niu_txchan_stat_keys[] = { 7740e689cf4aSJeff Kirsher { "tx_channel" }, 7741e689cf4aSJeff Kirsher { "tx_packets" }, 7742e689cf4aSJeff Kirsher { "tx_bytes" }, 7743e689cf4aSJeff Kirsher { "tx_errors" }, 7744e689cf4aSJeff Kirsher }; 7745e689cf4aSJeff Kirsher 7746e689cf4aSJeff Kirsher #define NUM_TXCHAN_STAT_KEYS ARRAY_SIZE(niu_txchan_stat_keys) 7747e689cf4aSJeff Kirsher 7748e689cf4aSJeff Kirsher static void niu_get_strings(struct net_device *dev, u32 stringset, u8 *data) 7749e689cf4aSJeff Kirsher { 7750e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 7751e689cf4aSJeff Kirsher int i; 7752e689cf4aSJeff Kirsher 7753e689cf4aSJeff Kirsher if (stringset != ETH_SS_STATS) 7754e689cf4aSJeff Kirsher return; 7755e689cf4aSJeff Kirsher 7756e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) { 7757e689cf4aSJeff Kirsher memcpy(data, niu_xmac_stat_keys, 7758e689cf4aSJeff Kirsher sizeof(niu_xmac_stat_keys)); 7759e689cf4aSJeff Kirsher data += sizeof(niu_xmac_stat_keys); 7760e689cf4aSJeff Kirsher } else { 7761e689cf4aSJeff Kirsher memcpy(data, niu_bmac_stat_keys, 7762e689cf4aSJeff Kirsher sizeof(niu_bmac_stat_keys)); 7763e689cf4aSJeff Kirsher data += sizeof(niu_bmac_stat_keys); 7764e689cf4aSJeff Kirsher } 7765e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 7766e689cf4aSJeff Kirsher memcpy(data, niu_rxchan_stat_keys, 7767e689cf4aSJeff Kirsher sizeof(niu_rxchan_stat_keys)); 7768e689cf4aSJeff Kirsher data += sizeof(niu_rxchan_stat_keys); 7769e689cf4aSJeff Kirsher } 7770e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 7771e689cf4aSJeff Kirsher memcpy(data, niu_txchan_stat_keys, 7772e689cf4aSJeff Kirsher sizeof(niu_txchan_stat_keys)); 7773e689cf4aSJeff Kirsher data += sizeof(niu_txchan_stat_keys); 7774e689cf4aSJeff Kirsher } 7775e689cf4aSJeff Kirsher } 7776e689cf4aSJeff Kirsher 7777e689cf4aSJeff Kirsher static int niu_get_sset_count(struct net_device *dev, int stringset) 7778e689cf4aSJeff Kirsher { 7779e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 7780e689cf4aSJeff Kirsher 7781e689cf4aSJeff Kirsher if (stringset != ETH_SS_STATS) 7782e689cf4aSJeff Kirsher return -EINVAL; 7783e689cf4aSJeff Kirsher 7784e689cf4aSJeff Kirsher return (np->flags & NIU_FLAGS_XMAC ? 7785e689cf4aSJeff Kirsher NUM_XMAC_STAT_KEYS : 7786e689cf4aSJeff Kirsher NUM_BMAC_STAT_KEYS) + 7787e689cf4aSJeff Kirsher (np->num_rx_rings * NUM_RXCHAN_STAT_KEYS) + 7788e689cf4aSJeff Kirsher (np->num_tx_rings * NUM_TXCHAN_STAT_KEYS); 7789e689cf4aSJeff Kirsher } 7790e689cf4aSJeff Kirsher 7791e689cf4aSJeff Kirsher static void niu_get_ethtool_stats(struct net_device *dev, 7792e689cf4aSJeff Kirsher struct ethtool_stats *stats, u64 *data) 7793e689cf4aSJeff Kirsher { 7794e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 7795e689cf4aSJeff Kirsher int i; 7796e689cf4aSJeff Kirsher 7797e689cf4aSJeff Kirsher niu_sync_mac_stats(np); 7798e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) { 7799e689cf4aSJeff Kirsher memcpy(data, &np->mac_stats.xmac, 7800e689cf4aSJeff Kirsher sizeof(struct niu_xmac_stats)); 7801e689cf4aSJeff Kirsher data += (sizeof(struct niu_xmac_stats) / sizeof(u64)); 7802e689cf4aSJeff Kirsher } else { 7803e689cf4aSJeff Kirsher memcpy(data, &np->mac_stats.bmac, 7804e689cf4aSJeff Kirsher sizeof(struct niu_bmac_stats)); 7805e689cf4aSJeff Kirsher data += (sizeof(struct niu_bmac_stats) / sizeof(u64)); 7806e689cf4aSJeff Kirsher } 7807e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 7808e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 7809e689cf4aSJeff Kirsher 7810e689cf4aSJeff Kirsher niu_sync_rx_discard_stats(np, rp, 0); 7811e689cf4aSJeff Kirsher 7812e689cf4aSJeff Kirsher data[0] = rp->rx_channel; 7813e689cf4aSJeff Kirsher data[1] = rp->rx_packets; 7814e689cf4aSJeff Kirsher data[2] = rp->rx_bytes; 7815e689cf4aSJeff Kirsher data[3] = rp->rx_dropped; 7816e689cf4aSJeff Kirsher data[4] = rp->rx_errors; 7817e689cf4aSJeff Kirsher data += 5; 7818e689cf4aSJeff Kirsher } 7819e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 7820e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 7821e689cf4aSJeff Kirsher 7822e689cf4aSJeff Kirsher data[0] = rp->tx_channel; 7823e689cf4aSJeff Kirsher data[1] = rp->tx_packets; 7824e689cf4aSJeff Kirsher data[2] = rp->tx_bytes; 7825e689cf4aSJeff Kirsher data[3] = rp->tx_errors; 7826e689cf4aSJeff Kirsher data += 4; 7827e689cf4aSJeff Kirsher } 7828e689cf4aSJeff Kirsher } 7829e689cf4aSJeff Kirsher 7830e689cf4aSJeff Kirsher static u64 niu_led_state_save(struct niu *np) 7831e689cf4aSJeff Kirsher { 7832e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 7833e689cf4aSJeff Kirsher return nr64_mac(XMAC_CONFIG); 7834e689cf4aSJeff Kirsher else 7835e689cf4aSJeff Kirsher return nr64_mac(BMAC_XIF_CONFIG); 7836e689cf4aSJeff Kirsher } 7837e689cf4aSJeff Kirsher 7838e689cf4aSJeff Kirsher static void niu_led_state_restore(struct niu *np, u64 val) 7839e689cf4aSJeff Kirsher { 7840e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 7841e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 7842e689cf4aSJeff Kirsher else 7843e689cf4aSJeff Kirsher nw64_mac(BMAC_XIF_CONFIG, val); 7844e689cf4aSJeff Kirsher } 7845e689cf4aSJeff Kirsher 7846e689cf4aSJeff Kirsher static void niu_force_led(struct niu *np, int on) 7847e689cf4aSJeff Kirsher { 7848e689cf4aSJeff Kirsher u64 val, reg, bit; 7849e689cf4aSJeff Kirsher 7850e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) { 7851e689cf4aSJeff Kirsher reg = XMAC_CONFIG; 7852e689cf4aSJeff Kirsher bit = XMAC_CONFIG_FORCE_LED_ON; 7853e689cf4aSJeff Kirsher } else { 7854e689cf4aSJeff Kirsher reg = BMAC_XIF_CONFIG; 7855e689cf4aSJeff Kirsher bit = BMAC_XIF_CONFIG_LINK_LED; 7856e689cf4aSJeff Kirsher } 7857e689cf4aSJeff Kirsher 7858e689cf4aSJeff Kirsher val = nr64_mac(reg); 7859e689cf4aSJeff Kirsher if (on) 7860e689cf4aSJeff Kirsher val |= bit; 7861e689cf4aSJeff Kirsher else 7862e689cf4aSJeff Kirsher val &= ~bit; 7863e689cf4aSJeff Kirsher nw64_mac(reg, val); 7864e689cf4aSJeff Kirsher } 7865e689cf4aSJeff Kirsher 7866e689cf4aSJeff Kirsher static int niu_set_phys_id(struct net_device *dev, 7867e689cf4aSJeff Kirsher enum ethtool_phys_id_state state) 7868e689cf4aSJeff Kirsher 7869e689cf4aSJeff Kirsher { 7870e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 7871e689cf4aSJeff Kirsher 7872e689cf4aSJeff Kirsher if (!netif_running(dev)) 7873e689cf4aSJeff Kirsher return -EAGAIN; 7874e689cf4aSJeff Kirsher 7875e689cf4aSJeff Kirsher switch (state) { 7876e689cf4aSJeff Kirsher case ETHTOOL_ID_ACTIVE: 7877e689cf4aSJeff Kirsher np->orig_led_state = niu_led_state_save(np); 7878e689cf4aSJeff Kirsher return 1; /* cycle on/off once per second */ 7879e689cf4aSJeff Kirsher 7880e689cf4aSJeff Kirsher case ETHTOOL_ID_ON: 7881e689cf4aSJeff Kirsher niu_force_led(np, 1); 7882e689cf4aSJeff Kirsher break; 7883e689cf4aSJeff Kirsher 7884e689cf4aSJeff Kirsher case ETHTOOL_ID_OFF: 7885e689cf4aSJeff Kirsher niu_force_led(np, 0); 7886e689cf4aSJeff Kirsher break; 7887e689cf4aSJeff Kirsher 7888e689cf4aSJeff Kirsher case ETHTOOL_ID_INACTIVE: 7889e689cf4aSJeff Kirsher niu_led_state_restore(np, np->orig_led_state); 7890e689cf4aSJeff Kirsher } 7891e689cf4aSJeff Kirsher 7892e689cf4aSJeff Kirsher return 0; 7893e689cf4aSJeff Kirsher } 7894e689cf4aSJeff Kirsher 7895e689cf4aSJeff Kirsher static const struct ethtool_ops niu_ethtool_ops = { 7896e689cf4aSJeff Kirsher .get_drvinfo = niu_get_drvinfo, 7897e689cf4aSJeff Kirsher .get_link = ethtool_op_get_link, 7898e689cf4aSJeff Kirsher .get_msglevel = niu_get_msglevel, 7899e689cf4aSJeff Kirsher .set_msglevel = niu_set_msglevel, 7900e689cf4aSJeff Kirsher .nway_reset = niu_nway_reset, 7901e689cf4aSJeff Kirsher .get_eeprom_len = niu_get_eeprom_len, 7902e689cf4aSJeff Kirsher .get_eeprom = niu_get_eeprom, 7903e689cf4aSJeff Kirsher .get_strings = niu_get_strings, 7904e689cf4aSJeff Kirsher .get_sset_count = niu_get_sset_count, 7905e689cf4aSJeff Kirsher .get_ethtool_stats = niu_get_ethtool_stats, 7906e689cf4aSJeff Kirsher .set_phys_id = niu_set_phys_id, 7907e689cf4aSJeff Kirsher .get_rxnfc = niu_get_nfc, 7908e689cf4aSJeff Kirsher .set_rxnfc = niu_set_nfc, 7909d9722531SPhilippe Reynes .get_link_ksettings = niu_get_link_ksettings, 7910d9722531SPhilippe Reynes .set_link_ksettings = niu_set_link_ksettings, 7911e689cf4aSJeff Kirsher }; 7912e689cf4aSJeff Kirsher 7913e689cf4aSJeff Kirsher static int niu_ldg_assign_ldn(struct niu *np, struct niu_parent *parent, 7914e689cf4aSJeff Kirsher int ldg, int ldn) 7915e689cf4aSJeff Kirsher { 7916e689cf4aSJeff Kirsher if (ldg < NIU_LDG_MIN || ldg > NIU_LDG_MAX) 7917e689cf4aSJeff Kirsher return -EINVAL; 7918e689cf4aSJeff Kirsher if (ldn < 0 || ldn > LDN_MAX) 7919e689cf4aSJeff Kirsher return -EINVAL; 7920e689cf4aSJeff Kirsher 7921e689cf4aSJeff Kirsher parent->ldg_map[ldn] = ldg; 7922e689cf4aSJeff Kirsher 7923e689cf4aSJeff Kirsher if (np->parent->plat_type == PLAT_TYPE_NIU) { 7924e689cf4aSJeff Kirsher /* On N2 NIU, the ldn-->ldg assignments are setup and fixed by 7925e689cf4aSJeff Kirsher * the firmware, and we're not supposed to change them. 7926e689cf4aSJeff Kirsher * Validate the mapping, because if it's wrong we probably 7927e689cf4aSJeff Kirsher * won't get any interrupts and that's painful to debug. 7928e689cf4aSJeff Kirsher */ 7929e689cf4aSJeff Kirsher if (nr64(LDG_NUM(ldn)) != ldg) { 793021c68644SColin Ian King dev_err(np->device, "Port %u, mismatched LDG assignment for ldn %d, should be %d is %llu\n", 7931e689cf4aSJeff Kirsher np->port, ldn, ldg, 7932e689cf4aSJeff Kirsher (unsigned long long) nr64(LDG_NUM(ldn))); 7933e689cf4aSJeff Kirsher return -EINVAL; 7934e689cf4aSJeff Kirsher } 7935e689cf4aSJeff Kirsher } else 7936e689cf4aSJeff Kirsher nw64(LDG_NUM(ldn), ldg); 7937e689cf4aSJeff Kirsher 7938e689cf4aSJeff Kirsher return 0; 7939e689cf4aSJeff Kirsher } 7940e689cf4aSJeff Kirsher 7941e689cf4aSJeff Kirsher static int niu_set_ldg_timer_res(struct niu *np, int res) 7942e689cf4aSJeff Kirsher { 7943e689cf4aSJeff Kirsher if (res < 0 || res > LDG_TIMER_RES_VAL) 7944e689cf4aSJeff Kirsher return -EINVAL; 7945e689cf4aSJeff Kirsher 7946e689cf4aSJeff Kirsher 7947e689cf4aSJeff Kirsher nw64(LDG_TIMER_RES, res); 7948e689cf4aSJeff Kirsher 7949e689cf4aSJeff Kirsher return 0; 7950e689cf4aSJeff Kirsher } 7951e689cf4aSJeff Kirsher 7952e689cf4aSJeff Kirsher static int niu_set_ldg_sid(struct niu *np, int ldg, int func, int vector) 7953e689cf4aSJeff Kirsher { 7954e689cf4aSJeff Kirsher if ((ldg < NIU_LDG_MIN || ldg > NIU_LDG_MAX) || 7955e689cf4aSJeff Kirsher (func < 0 || func > 3) || 7956e689cf4aSJeff Kirsher (vector < 0 || vector > 0x1f)) 7957e689cf4aSJeff Kirsher return -EINVAL; 7958e689cf4aSJeff Kirsher 7959e689cf4aSJeff Kirsher nw64(SID(ldg), (func << SID_FUNC_SHIFT) | vector); 7960e689cf4aSJeff Kirsher 7961e689cf4aSJeff Kirsher return 0; 7962e689cf4aSJeff Kirsher } 7963e689cf4aSJeff Kirsher 7964f73d12bdSBill Pemberton static int niu_pci_eeprom_read(struct niu *np, u32 addr) 7965e689cf4aSJeff Kirsher { 7966e689cf4aSJeff Kirsher u64 frame, frame_base = (ESPC_PIO_STAT_READ_START | 7967e689cf4aSJeff Kirsher (addr << ESPC_PIO_STAT_ADDR_SHIFT)); 7968e689cf4aSJeff Kirsher int limit; 7969e689cf4aSJeff Kirsher 7970e689cf4aSJeff Kirsher if (addr > (ESPC_PIO_STAT_ADDR >> ESPC_PIO_STAT_ADDR_SHIFT)) 7971e689cf4aSJeff Kirsher return -EINVAL; 7972e689cf4aSJeff Kirsher 7973e689cf4aSJeff Kirsher frame = frame_base; 7974e689cf4aSJeff Kirsher nw64(ESPC_PIO_STAT, frame); 7975e689cf4aSJeff Kirsher limit = 64; 7976e689cf4aSJeff Kirsher do { 7977e689cf4aSJeff Kirsher udelay(5); 7978e689cf4aSJeff Kirsher frame = nr64(ESPC_PIO_STAT); 7979e689cf4aSJeff Kirsher if (frame & ESPC_PIO_STAT_READ_END) 7980e689cf4aSJeff Kirsher break; 7981e689cf4aSJeff Kirsher } while (limit--); 7982e689cf4aSJeff Kirsher if (!(frame & ESPC_PIO_STAT_READ_END)) { 7983e689cf4aSJeff Kirsher dev_err(np->device, "EEPROM read timeout frame[%llx]\n", 7984e689cf4aSJeff Kirsher (unsigned long long) frame); 7985e689cf4aSJeff Kirsher return -ENODEV; 7986e689cf4aSJeff Kirsher } 7987e689cf4aSJeff Kirsher 7988e689cf4aSJeff Kirsher frame = frame_base; 7989e689cf4aSJeff Kirsher nw64(ESPC_PIO_STAT, frame); 7990e689cf4aSJeff Kirsher limit = 64; 7991e689cf4aSJeff Kirsher do { 7992e689cf4aSJeff Kirsher udelay(5); 7993e689cf4aSJeff Kirsher frame = nr64(ESPC_PIO_STAT); 7994e689cf4aSJeff Kirsher if (frame & ESPC_PIO_STAT_READ_END) 7995e689cf4aSJeff Kirsher break; 7996e689cf4aSJeff Kirsher } while (limit--); 7997e689cf4aSJeff Kirsher if (!(frame & ESPC_PIO_STAT_READ_END)) { 7998e689cf4aSJeff Kirsher dev_err(np->device, "EEPROM read timeout frame[%llx]\n", 7999e689cf4aSJeff Kirsher (unsigned long long) frame); 8000e689cf4aSJeff Kirsher return -ENODEV; 8001e689cf4aSJeff Kirsher } 8002e689cf4aSJeff Kirsher 8003e689cf4aSJeff Kirsher frame = nr64(ESPC_PIO_STAT); 8004e689cf4aSJeff Kirsher return (frame & ESPC_PIO_STAT_DATA) >> ESPC_PIO_STAT_DATA_SHIFT; 8005e689cf4aSJeff Kirsher } 8006e689cf4aSJeff Kirsher 8007f73d12bdSBill Pemberton static int niu_pci_eeprom_read16(struct niu *np, u32 off) 8008e689cf4aSJeff Kirsher { 8009e689cf4aSJeff Kirsher int err = niu_pci_eeprom_read(np, off); 8010e689cf4aSJeff Kirsher u16 val; 8011e689cf4aSJeff Kirsher 8012e689cf4aSJeff Kirsher if (err < 0) 8013e689cf4aSJeff Kirsher return err; 8014e689cf4aSJeff Kirsher val = (err << 8); 8015e689cf4aSJeff Kirsher err = niu_pci_eeprom_read(np, off + 1); 8016e689cf4aSJeff Kirsher if (err < 0) 8017e689cf4aSJeff Kirsher return err; 8018e689cf4aSJeff Kirsher val |= (err & 0xff); 8019e689cf4aSJeff Kirsher 8020e689cf4aSJeff Kirsher return val; 8021e689cf4aSJeff Kirsher } 8022e689cf4aSJeff Kirsher 8023f73d12bdSBill Pemberton static int niu_pci_eeprom_read16_swp(struct niu *np, u32 off) 8024e689cf4aSJeff Kirsher { 8025e689cf4aSJeff Kirsher int err = niu_pci_eeprom_read(np, off); 8026e689cf4aSJeff Kirsher u16 val; 8027e689cf4aSJeff Kirsher 8028e689cf4aSJeff Kirsher if (err < 0) 8029e689cf4aSJeff Kirsher return err; 8030e689cf4aSJeff Kirsher 8031e689cf4aSJeff Kirsher val = (err & 0xff); 8032e689cf4aSJeff Kirsher err = niu_pci_eeprom_read(np, off + 1); 8033e689cf4aSJeff Kirsher if (err < 0) 8034e689cf4aSJeff Kirsher return err; 8035e689cf4aSJeff Kirsher 8036e689cf4aSJeff Kirsher val |= (err & 0xff) << 8; 8037e689cf4aSJeff Kirsher 8038e689cf4aSJeff Kirsher return val; 8039e689cf4aSJeff Kirsher } 8040e689cf4aSJeff Kirsher 80411dd06ae8SGreg Kroah-Hartman static int niu_pci_vpd_get_propname(struct niu *np, u32 off, char *namebuf, 8042e689cf4aSJeff Kirsher int namebuf_len) 8043e689cf4aSJeff Kirsher { 8044e689cf4aSJeff Kirsher int i; 8045e689cf4aSJeff Kirsher 8046e689cf4aSJeff Kirsher for (i = 0; i < namebuf_len; i++) { 8047e689cf4aSJeff Kirsher int err = niu_pci_eeprom_read(np, off + i); 8048e689cf4aSJeff Kirsher if (err < 0) 8049e689cf4aSJeff Kirsher return err; 8050e689cf4aSJeff Kirsher *namebuf++ = err; 8051e689cf4aSJeff Kirsher if (!err) 8052e689cf4aSJeff Kirsher break; 8053e689cf4aSJeff Kirsher } 8054e689cf4aSJeff Kirsher if (i >= namebuf_len) 8055e689cf4aSJeff Kirsher return -EINVAL; 8056e689cf4aSJeff Kirsher 8057e689cf4aSJeff Kirsher return i + 1; 8058e689cf4aSJeff Kirsher } 8059e689cf4aSJeff Kirsher 8060f73d12bdSBill Pemberton static void niu_vpd_parse_version(struct niu *np) 8061e689cf4aSJeff Kirsher { 8062e689cf4aSJeff Kirsher struct niu_vpd *vpd = &np->vpd; 8063e689cf4aSJeff Kirsher int len = strlen(vpd->version) + 1; 8064e689cf4aSJeff Kirsher const char *s = vpd->version; 8065e689cf4aSJeff Kirsher int i; 8066e689cf4aSJeff Kirsher 8067e689cf4aSJeff Kirsher for (i = 0; i < len - 5; i++) { 8068e689cf4aSJeff Kirsher if (!strncmp(s + i, "FCode ", 6)) 8069e689cf4aSJeff Kirsher break; 8070e689cf4aSJeff Kirsher } 8071e689cf4aSJeff Kirsher if (i >= len - 5) 8072e689cf4aSJeff Kirsher return; 8073e689cf4aSJeff Kirsher 8074e689cf4aSJeff Kirsher s += i + 5; 8075e689cf4aSJeff Kirsher sscanf(s, "%d.%d", &vpd->fcode_major, &vpd->fcode_minor); 8076e689cf4aSJeff Kirsher 8077e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8078e689cf4aSJeff Kirsher "VPD_SCAN: FCODE major(%d) minor(%d)\n", 8079e689cf4aSJeff Kirsher vpd->fcode_major, vpd->fcode_minor); 8080e689cf4aSJeff Kirsher if (vpd->fcode_major > NIU_VPD_MIN_MAJOR || 8081e689cf4aSJeff Kirsher (vpd->fcode_major == NIU_VPD_MIN_MAJOR && 8082e689cf4aSJeff Kirsher vpd->fcode_minor >= NIU_VPD_MIN_MINOR)) 8083e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_VPD_VALID; 8084e689cf4aSJeff Kirsher } 8085e689cf4aSJeff Kirsher 8086e689cf4aSJeff Kirsher /* ESPC_PIO_EN_ENABLE must be set */ 80871dd06ae8SGreg Kroah-Hartman static int niu_pci_vpd_scan_props(struct niu *np, u32 start, u32 end) 8088e689cf4aSJeff Kirsher { 8089e689cf4aSJeff Kirsher unsigned int found_mask = 0; 8090e689cf4aSJeff Kirsher #define FOUND_MASK_MODEL 0x00000001 8091e689cf4aSJeff Kirsher #define FOUND_MASK_BMODEL 0x00000002 8092e689cf4aSJeff Kirsher #define FOUND_MASK_VERS 0x00000004 8093e689cf4aSJeff Kirsher #define FOUND_MASK_MAC 0x00000008 8094e689cf4aSJeff Kirsher #define FOUND_MASK_NMAC 0x00000010 8095e689cf4aSJeff Kirsher #define FOUND_MASK_PHY 0x00000020 8096e689cf4aSJeff Kirsher #define FOUND_MASK_ALL 0x0000003f 8097e689cf4aSJeff Kirsher 8098e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8099e689cf4aSJeff Kirsher "VPD_SCAN: start[%x] end[%x]\n", start, end); 8100e689cf4aSJeff Kirsher while (start < end) { 8101e689cf4aSJeff Kirsher int len, err, prop_len; 8102e689cf4aSJeff Kirsher char namebuf[64]; 8103e689cf4aSJeff Kirsher u8 *prop_buf; 8104e689cf4aSJeff Kirsher int max_len; 8105e689cf4aSJeff Kirsher 8106e689cf4aSJeff Kirsher if (found_mask == FOUND_MASK_ALL) { 8107e689cf4aSJeff Kirsher niu_vpd_parse_version(np); 8108e689cf4aSJeff Kirsher return 1; 8109e689cf4aSJeff Kirsher } 8110e689cf4aSJeff Kirsher 8111e689cf4aSJeff Kirsher err = niu_pci_eeprom_read(np, start + 2); 8112e689cf4aSJeff Kirsher if (err < 0) 8113e689cf4aSJeff Kirsher return err; 8114e689cf4aSJeff Kirsher len = err; 8115e689cf4aSJeff Kirsher start += 3; 8116e689cf4aSJeff Kirsher 8117e689cf4aSJeff Kirsher prop_len = niu_pci_eeprom_read(np, start + 4); 8118e6e33770SDu Cheng if (prop_len < 0) 8119e6e33770SDu Cheng return prop_len; 8120e689cf4aSJeff Kirsher err = niu_pci_vpd_get_propname(np, start + 5, namebuf, 64); 8121e689cf4aSJeff Kirsher if (err < 0) 8122e689cf4aSJeff Kirsher return err; 8123e689cf4aSJeff Kirsher 8124e689cf4aSJeff Kirsher prop_buf = NULL; 8125e689cf4aSJeff Kirsher max_len = 0; 8126e689cf4aSJeff Kirsher if (!strcmp(namebuf, "model")) { 8127e689cf4aSJeff Kirsher prop_buf = np->vpd.model; 8128e689cf4aSJeff Kirsher max_len = NIU_VPD_MODEL_MAX; 8129e689cf4aSJeff Kirsher found_mask |= FOUND_MASK_MODEL; 8130e689cf4aSJeff Kirsher } else if (!strcmp(namebuf, "board-model")) { 8131e689cf4aSJeff Kirsher prop_buf = np->vpd.board_model; 8132e689cf4aSJeff Kirsher max_len = NIU_VPD_BD_MODEL_MAX; 8133e689cf4aSJeff Kirsher found_mask |= FOUND_MASK_BMODEL; 8134e689cf4aSJeff Kirsher } else if (!strcmp(namebuf, "version")) { 8135e689cf4aSJeff Kirsher prop_buf = np->vpd.version; 8136e689cf4aSJeff Kirsher max_len = NIU_VPD_VERSION_MAX; 8137e689cf4aSJeff Kirsher found_mask |= FOUND_MASK_VERS; 8138e689cf4aSJeff Kirsher } else if (!strcmp(namebuf, "local-mac-address")) { 8139e689cf4aSJeff Kirsher prop_buf = np->vpd.local_mac; 8140e689cf4aSJeff Kirsher max_len = ETH_ALEN; 8141e689cf4aSJeff Kirsher found_mask |= FOUND_MASK_MAC; 8142e689cf4aSJeff Kirsher } else if (!strcmp(namebuf, "num-mac-addresses")) { 8143e689cf4aSJeff Kirsher prop_buf = &np->vpd.mac_num; 8144e689cf4aSJeff Kirsher max_len = 1; 8145e689cf4aSJeff Kirsher found_mask |= FOUND_MASK_NMAC; 8146e689cf4aSJeff Kirsher } else if (!strcmp(namebuf, "phy-type")) { 8147e689cf4aSJeff Kirsher prop_buf = np->vpd.phy_type; 8148e689cf4aSJeff Kirsher max_len = NIU_VPD_PHY_TYPE_MAX; 8149e689cf4aSJeff Kirsher found_mask |= FOUND_MASK_PHY; 8150e689cf4aSJeff Kirsher } 8151e689cf4aSJeff Kirsher 8152e689cf4aSJeff Kirsher if (max_len && prop_len > max_len) { 8153e689cf4aSJeff Kirsher dev_err(np->device, "Property '%s' length (%d) is too long\n", namebuf, prop_len); 8154e689cf4aSJeff Kirsher return -EINVAL; 8155e689cf4aSJeff Kirsher } 8156e689cf4aSJeff Kirsher 8157e689cf4aSJeff Kirsher if (prop_buf) { 8158e689cf4aSJeff Kirsher u32 off = start + 5 + err; 8159e689cf4aSJeff Kirsher int i; 8160e689cf4aSJeff Kirsher 8161e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8162e689cf4aSJeff Kirsher "VPD_SCAN: Reading in property [%s] len[%d]\n", 8163e689cf4aSJeff Kirsher namebuf, prop_len); 8164e6e33770SDu Cheng for (i = 0; i < prop_len; i++) { 8165e6e33770SDu Cheng err = niu_pci_eeprom_read(np, off + i); 8166e6e33770SDu Cheng if (err < 0) 8167e6e33770SDu Cheng return err; 8168e6e33770SDu Cheng *prop_buf++ = err; 8169e6e33770SDu Cheng } 8170e689cf4aSJeff Kirsher } 8171e689cf4aSJeff Kirsher 8172e689cf4aSJeff Kirsher start += len; 8173e689cf4aSJeff Kirsher } 8174e689cf4aSJeff Kirsher 8175e689cf4aSJeff Kirsher return 0; 8176e689cf4aSJeff Kirsher } 8177e689cf4aSJeff Kirsher 8178e689cf4aSJeff Kirsher /* ESPC_PIO_EN_ENABLE must be set */ 8179e6e33770SDu Cheng static int niu_pci_vpd_fetch(struct niu *np, u32 start) 8180e689cf4aSJeff Kirsher { 8181e689cf4aSJeff Kirsher u32 offset; 8182e689cf4aSJeff Kirsher int err; 8183e689cf4aSJeff Kirsher 8184e689cf4aSJeff Kirsher err = niu_pci_eeprom_read16_swp(np, start + 1); 8185e689cf4aSJeff Kirsher if (err < 0) 8186e6e33770SDu Cheng return err; 8187e689cf4aSJeff Kirsher 8188e689cf4aSJeff Kirsher offset = err + 3; 8189e689cf4aSJeff Kirsher 8190e689cf4aSJeff Kirsher while (start + offset < ESPC_EEPROM_SIZE) { 8191e689cf4aSJeff Kirsher u32 here = start + offset; 8192e689cf4aSJeff Kirsher u32 end; 8193e689cf4aSJeff Kirsher 8194e689cf4aSJeff Kirsher err = niu_pci_eeprom_read(np, here); 8195e6e33770SDu Cheng if (err < 0) 8196e6e33770SDu Cheng return err; 8197e689cf4aSJeff Kirsher if (err != 0x90) 8198e6e33770SDu Cheng return -EINVAL; 8199e689cf4aSJeff Kirsher 8200e689cf4aSJeff Kirsher err = niu_pci_eeprom_read16_swp(np, here + 1); 8201e689cf4aSJeff Kirsher if (err < 0) 8202e6e33770SDu Cheng return err; 8203e689cf4aSJeff Kirsher 8204e689cf4aSJeff Kirsher here = start + offset + 3; 8205e689cf4aSJeff Kirsher end = start + offset + err; 8206e689cf4aSJeff Kirsher 8207e689cf4aSJeff Kirsher offset += err; 8208e689cf4aSJeff Kirsher 8209e689cf4aSJeff Kirsher err = niu_pci_vpd_scan_props(np, here, end); 8210e6e33770SDu Cheng if (err < 0) 8211e6e33770SDu Cheng return err; 821215bbf8bbSPaul Jakma /* ret == 1 is not an error */ 8213e6e33770SDu Cheng if (err == 1) 821415bbf8bbSPaul Jakma return 0; 8215e689cf4aSJeff Kirsher } 8216e6e33770SDu Cheng return 0; 8217e689cf4aSJeff Kirsher } 8218e689cf4aSJeff Kirsher 8219e689cf4aSJeff Kirsher /* ESPC_PIO_EN_ENABLE must be set */ 8220f73d12bdSBill Pemberton static u32 niu_pci_vpd_offset(struct niu *np) 8221e689cf4aSJeff Kirsher { 8222e689cf4aSJeff Kirsher u32 start = 0, end = ESPC_EEPROM_SIZE, ret; 8223e689cf4aSJeff Kirsher int err; 8224e689cf4aSJeff Kirsher 8225e689cf4aSJeff Kirsher while (start < end) { 8226e689cf4aSJeff Kirsher ret = start; 8227e689cf4aSJeff Kirsher 8228e689cf4aSJeff Kirsher /* ROM header signature? */ 8229e689cf4aSJeff Kirsher err = niu_pci_eeprom_read16(np, start + 0); 8230e689cf4aSJeff Kirsher if (err != 0x55aa) 8231e689cf4aSJeff Kirsher return 0; 8232e689cf4aSJeff Kirsher 8233e689cf4aSJeff Kirsher /* Apply offset to PCI data structure. */ 8234e689cf4aSJeff Kirsher err = niu_pci_eeprom_read16(np, start + 23); 8235e689cf4aSJeff Kirsher if (err < 0) 8236e689cf4aSJeff Kirsher return 0; 8237e689cf4aSJeff Kirsher start += err; 8238e689cf4aSJeff Kirsher 8239e689cf4aSJeff Kirsher /* Check for "PCIR" signature. */ 8240e689cf4aSJeff Kirsher err = niu_pci_eeprom_read16(np, start + 0); 8241e689cf4aSJeff Kirsher if (err != 0x5043) 8242e689cf4aSJeff Kirsher return 0; 8243e689cf4aSJeff Kirsher err = niu_pci_eeprom_read16(np, start + 2); 8244e689cf4aSJeff Kirsher if (err != 0x4952) 8245e689cf4aSJeff Kirsher return 0; 8246e689cf4aSJeff Kirsher 8247e689cf4aSJeff Kirsher /* Check for OBP image type. */ 8248e689cf4aSJeff Kirsher err = niu_pci_eeprom_read(np, start + 20); 8249e689cf4aSJeff Kirsher if (err < 0) 8250e689cf4aSJeff Kirsher return 0; 8251e689cf4aSJeff Kirsher if (err != 0x01) { 8252e689cf4aSJeff Kirsher err = niu_pci_eeprom_read(np, ret + 2); 8253e689cf4aSJeff Kirsher if (err < 0) 8254e689cf4aSJeff Kirsher return 0; 8255e689cf4aSJeff Kirsher 8256e689cf4aSJeff Kirsher start = ret + (err * 512); 8257e689cf4aSJeff Kirsher continue; 8258e689cf4aSJeff Kirsher } 8259e689cf4aSJeff Kirsher 8260e689cf4aSJeff Kirsher err = niu_pci_eeprom_read16_swp(np, start + 8); 8261e689cf4aSJeff Kirsher if (err < 0) 8262e689cf4aSJeff Kirsher return err; 8263e689cf4aSJeff Kirsher ret += err; 8264e689cf4aSJeff Kirsher 8265e689cf4aSJeff Kirsher err = niu_pci_eeprom_read(np, ret + 0); 8266e689cf4aSJeff Kirsher if (err != 0x82) 8267e689cf4aSJeff Kirsher return 0; 8268e689cf4aSJeff Kirsher 8269e689cf4aSJeff Kirsher return ret; 8270e689cf4aSJeff Kirsher } 8271e689cf4aSJeff Kirsher 8272e689cf4aSJeff Kirsher return 0; 8273e689cf4aSJeff Kirsher } 8274e689cf4aSJeff Kirsher 82751dd06ae8SGreg Kroah-Hartman static int niu_phy_type_prop_decode(struct niu *np, const char *phy_prop) 8276e689cf4aSJeff Kirsher { 8277e689cf4aSJeff Kirsher if (!strcmp(phy_prop, "mif")) { 8278e689cf4aSJeff Kirsher /* 1G copper, MII */ 8279e689cf4aSJeff Kirsher np->flags &= ~(NIU_FLAGS_FIBER | 8280e689cf4aSJeff Kirsher NIU_FLAGS_10G); 8281e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_MII; 8282e689cf4aSJeff Kirsher } else if (!strcmp(phy_prop, "xgf")) { 8283e689cf4aSJeff Kirsher /* 10G fiber, XPCS */ 8284e689cf4aSJeff Kirsher np->flags |= (NIU_FLAGS_10G | 8285e689cf4aSJeff Kirsher NIU_FLAGS_FIBER); 8286e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_XPCS; 8287e689cf4aSJeff Kirsher } else if (!strcmp(phy_prop, "pcs")) { 8288e689cf4aSJeff Kirsher /* 1G fiber, PCS */ 8289e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_10G; 8290e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_FIBER; 8291e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_PCS; 8292e689cf4aSJeff Kirsher } else if (!strcmp(phy_prop, "xgc")) { 8293e689cf4aSJeff Kirsher /* 10G copper, XPCS */ 8294e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_10G; 8295e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_FIBER; 8296e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_XPCS; 8297e689cf4aSJeff Kirsher } else if (!strcmp(phy_prop, "xgsd") || !strcmp(phy_prop, "gsd")) { 8298e689cf4aSJeff Kirsher /* 10G Serdes or 1G Serdes, default to 10G */ 8299e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_10G; 8300e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_FIBER; 8301e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_XCVR_SERDES; 8302e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_XPCS; 8303e689cf4aSJeff Kirsher } else { 8304e689cf4aSJeff Kirsher return -EINVAL; 8305e689cf4aSJeff Kirsher } 8306e689cf4aSJeff Kirsher return 0; 8307e689cf4aSJeff Kirsher } 8308e689cf4aSJeff Kirsher 8309e689cf4aSJeff Kirsher static int niu_pci_vpd_get_nports(struct niu *np) 8310e689cf4aSJeff Kirsher { 8311e689cf4aSJeff Kirsher int ports = 0; 8312e689cf4aSJeff Kirsher 8313e689cf4aSJeff Kirsher if ((!strcmp(np->vpd.model, NIU_QGC_LP_MDL_STR)) || 8314e689cf4aSJeff Kirsher (!strcmp(np->vpd.model, NIU_QGC_PEM_MDL_STR)) || 8315e689cf4aSJeff Kirsher (!strcmp(np->vpd.model, NIU_MARAMBA_MDL_STR)) || 8316e689cf4aSJeff Kirsher (!strcmp(np->vpd.model, NIU_KIMI_MDL_STR)) || 8317e689cf4aSJeff Kirsher (!strcmp(np->vpd.model, NIU_ALONSO_MDL_STR))) { 8318e689cf4aSJeff Kirsher ports = 4; 8319e689cf4aSJeff Kirsher } else if ((!strcmp(np->vpd.model, NIU_2XGF_LP_MDL_STR)) || 8320e689cf4aSJeff Kirsher (!strcmp(np->vpd.model, NIU_2XGF_PEM_MDL_STR)) || 8321e689cf4aSJeff Kirsher (!strcmp(np->vpd.model, NIU_FOXXY_MDL_STR)) || 8322e689cf4aSJeff Kirsher (!strcmp(np->vpd.model, NIU_2XGF_MRVL_MDL_STR))) { 8323e689cf4aSJeff Kirsher ports = 2; 8324e689cf4aSJeff Kirsher } 8325e689cf4aSJeff Kirsher 8326e689cf4aSJeff Kirsher return ports; 8327e689cf4aSJeff Kirsher } 8328e689cf4aSJeff Kirsher 8329f73d12bdSBill Pemberton static void niu_pci_vpd_validate(struct niu *np) 8330e689cf4aSJeff Kirsher { 8331e689cf4aSJeff Kirsher struct net_device *dev = np->dev; 8332e689cf4aSJeff Kirsher struct niu_vpd *vpd = &np->vpd; 8333a7639279SJakub Kicinski u8 addr[ETH_ALEN]; 8334e689cf4aSJeff Kirsher u8 val8; 8335e689cf4aSJeff Kirsher 8336e689cf4aSJeff Kirsher if (!is_valid_ether_addr(&vpd->local_mac[0])) { 8337e689cf4aSJeff Kirsher dev_err(np->device, "VPD MAC invalid, falling back to SPROM\n"); 8338e689cf4aSJeff Kirsher 8339e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_VPD_VALID; 8340e689cf4aSJeff Kirsher return; 8341e689cf4aSJeff Kirsher } 8342e689cf4aSJeff Kirsher 8343e689cf4aSJeff Kirsher if (!strcmp(np->vpd.model, NIU_ALONSO_MDL_STR) || 8344e689cf4aSJeff Kirsher !strcmp(np->vpd.model, NIU_KIMI_MDL_STR)) { 8345e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_10G; 8346e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_FIBER; 8347e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_XCVR_SERDES; 8348e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_PCS; 8349e689cf4aSJeff Kirsher if (np->port > 1) { 8350e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_FIBER; 8351e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_10G; 8352e689cf4aSJeff Kirsher } 8353e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_10G) 8354e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_XPCS; 8355e689cf4aSJeff Kirsher } else if (!strcmp(np->vpd.model, NIU_FOXXY_MDL_STR)) { 8356e689cf4aSJeff Kirsher np->flags |= (NIU_FLAGS_10G | NIU_FLAGS_FIBER | 8357e689cf4aSJeff Kirsher NIU_FLAGS_HOTPLUG_PHY); 8358e689cf4aSJeff Kirsher } else if (niu_phy_type_prop_decode(np, np->vpd.phy_type)) { 8359e689cf4aSJeff Kirsher dev_err(np->device, "Illegal phy string [%s]\n", 8360e689cf4aSJeff Kirsher np->vpd.phy_type); 8361e689cf4aSJeff Kirsher dev_err(np->device, "Falling back to SPROM\n"); 8362e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_VPD_VALID; 8363e689cf4aSJeff Kirsher return; 8364e689cf4aSJeff Kirsher } 8365e689cf4aSJeff Kirsher 8366a7639279SJakub Kicinski ether_addr_copy(addr, vpd->local_mac); 8367e689cf4aSJeff Kirsher 8368a7639279SJakub Kicinski val8 = addr[5]; 8369a7639279SJakub Kicinski addr[5] += np->port; 8370a7639279SJakub Kicinski if (addr[5] < val8) 8371a7639279SJakub Kicinski addr[4]++; 8372a7639279SJakub Kicinski 8373a7639279SJakub Kicinski eth_hw_addr_set(dev, addr); 8374e689cf4aSJeff Kirsher } 8375e689cf4aSJeff Kirsher 8376f73d12bdSBill Pemberton static int niu_pci_probe_sprom(struct niu *np) 8377e689cf4aSJeff Kirsher { 8378e689cf4aSJeff Kirsher struct net_device *dev = np->dev; 8379a7639279SJakub Kicinski u8 addr[ETH_ALEN]; 8380e689cf4aSJeff Kirsher int len, i; 8381e689cf4aSJeff Kirsher u64 val, sum; 8382e689cf4aSJeff Kirsher u8 val8; 8383e689cf4aSJeff Kirsher 8384e689cf4aSJeff Kirsher val = (nr64(ESPC_VER_IMGSZ) & ESPC_VER_IMGSZ_IMGSZ); 8385e689cf4aSJeff Kirsher val >>= ESPC_VER_IMGSZ_IMGSZ_SHIFT; 8386e689cf4aSJeff Kirsher len = val / 4; 8387e689cf4aSJeff Kirsher 8388e689cf4aSJeff Kirsher np->eeprom_len = len; 8389e689cf4aSJeff Kirsher 8390e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8391e689cf4aSJeff Kirsher "SPROM: Image size %llu\n", (unsigned long long)val); 8392e689cf4aSJeff Kirsher 8393e689cf4aSJeff Kirsher sum = 0; 8394e689cf4aSJeff Kirsher for (i = 0; i < len; i++) { 8395e689cf4aSJeff Kirsher val = nr64(ESPC_NCR(i)); 8396e689cf4aSJeff Kirsher sum += (val >> 0) & 0xff; 8397e689cf4aSJeff Kirsher sum += (val >> 8) & 0xff; 8398e689cf4aSJeff Kirsher sum += (val >> 16) & 0xff; 8399e689cf4aSJeff Kirsher sum += (val >> 24) & 0xff; 8400e689cf4aSJeff Kirsher } 8401e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8402e689cf4aSJeff Kirsher "SPROM: Checksum %x\n", (int)(sum & 0xff)); 8403e689cf4aSJeff Kirsher if ((sum & 0xff) != 0xab) { 8404e689cf4aSJeff Kirsher dev_err(np->device, "Bad SPROM checksum (%x, should be 0xab)\n", (int)(sum & 0xff)); 8405e689cf4aSJeff Kirsher return -EINVAL; 8406e689cf4aSJeff Kirsher } 8407e689cf4aSJeff Kirsher 8408e689cf4aSJeff Kirsher val = nr64(ESPC_PHY_TYPE); 8409e689cf4aSJeff Kirsher switch (np->port) { 8410e689cf4aSJeff Kirsher case 0: 8411e689cf4aSJeff Kirsher val8 = (val & ESPC_PHY_TYPE_PORT0) >> 8412e689cf4aSJeff Kirsher ESPC_PHY_TYPE_PORT0_SHIFT; 8413e689cf4aSJeff Kirsher break; 8414e689cf4aSJeff Kirsher case 1: 8415e689cf4aSJeff Kirsher val8 = (val & ESPC_PHY_TYPE_PORT1) >> 8416e689cf4aSJeff Kirsher ESPC_PHY_TYPE_PORT1_SHIFT; 8417e689cf4aSJeff Kirsher break; 8418e689cf4aSJeff Kirsher case 2: 8419e689cf4aSJeff Kirsher val8 = (val & ESPC_PHY_TYPE_PORT2) >> 8420e689cf4aSJeff Kirsher ESPC_PHY_TYPE_PORT2_SHIFT; 8421e689cf4aSJeff Kirsher break; 8422e689cf4aSJeff Kirsher case 3: 8423e689cf4aSJeff Kirsher val8 = (val & ESPC_PHY_TYPE_PORT3) >> 8424e689cf4aSJeff Kirsher ESPC_PHY_TYPE_PORT3_SHIFT; 8425e689cf4aSJeff Kirsher break; 8426e689cf4aSJeff Kirsher default: 8427e689cf4aSJeff Kirsher dev_err(np->device, "Bogus port number %u\n", 8428e689cf4aSJeff Kirsher np->port); 8429e689cf4aSJeff Kirsher return -EINVAL; 8430e689cf4aSJeff Kirsher } 8431e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8432e689cf4aSJeff Kirsher "SPROM: PHY type %x\n", val8); 8433e689cf4aSJeff Kirsher 8434e689cf4aSJeff Kirsher switch (val8) { 8435e689cf4aSJeff Kirsher case ESPC_PHY_TYPE_1G_COPPER: 8436e689cf4aSJeff Kirsher /* 1G copper, MII */ 8437e689cf4aSJeff Kirsher np->flags &= ~(NIU_FLAGS_FIBER | 8438e689cf4aSJeff Kirsher NIU_FLAGS_10G); 8439e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_MII; 8440e689cf4aSJeff Kirsher break; 8441e689cf4aSJeff Kirsher 8442e689cf4aSJeff Kirsher case ESPC_PHY_TYPE_1G_FIBER: 8443e689cf4aSJeff Kirsher /* 1G fiber, PCS */ 8444e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_10G; 8445e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_FIBER; 8446e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_PCS; 8447e689cf4aSJeff Kirsher break; 8448e689cf4aSJeff Kirsher 8449e689cf4aSJeff Kirsher case ESPC_PHY_TYPE_10G_COPPER: 8450e689cf4aSJeff Kirsher /* 10G copper, XPCS */ 8451e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_10G; 8452e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_FIBER; 8453e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_XPCS; 8454e689cf4aSJeff Kirsher break; 8455e689cf4aSJeff Kirsher 8456e689cf4aSJeff Kirsher case ESPC_PHY_TYPE_10G_FIBER: 8457e689cf4aSJeff Kirsher /* 10G fiber, XPCS */ 8458e689cf4aSJeff Kirsher np->flags |= (NIU_FLAGS_10G | 8459e689cf4aSJeff Kirsher NIU_FLAGS_FIBER); 8460e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_XPCS; 8461e689cf4aSJeff Kirsher break; 8462e689cf4aSJeff Kirsher 8463e689cf4aSJeff Kirsher default: 8464e689cf4aSJeff Kirsher dev_err(np->device, "Bogus SPROM phy type %u\n", val8); 8465e689cf4aSJeff Kirsher return -EINVAL; 8466e689cf4aSJeff Kirsher } 8467e689cf4aSJeff Kirsher 8468e689cf4aSJeff Kirsher val = nr64(ESPC_MAC_ADDR0); 8469e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8470e689cf4aSJeff Kirsher "SPROM: MAC_ADDR0[%08llx]\n", (unsigned long long)val); 8471a7639279SJakub Kicinski addr[0] = (val >> 0) & 0xff; 8472a7639279SJakub Kicinski addr[1] = (val >> 8) & 0xff; 8473a7639279SJakub Kicinski addr[2] = (val >> 16) & 0xff; 8474a7639279SJakub Kicinski addr[3] = (val >> 24) & 0xff; 8475e689cf4aSJeff Kirsher 8476e689cf4aSJeff Kirsher val = nr64(ESPC_MAC_ADDR1); 8477e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8478e689cf4aSJeff Kirsher "SPROM: MAC_ADDR1[%08llx]\n", (unsigned long long)val); 8479a7639279SJakub Kicinski addr[4] = (val >> 0) & 0xff; 8480a7639279SJakub Kicinski addr[5] = (val >> 8) & 0xff; 8481e689cf4aSJeff Kirsher 8482a7639279SJakub Kicinski if (!is_valid_ether_addr(addr)) { 8483e689cf4aSJeff Kirsher dev_err(np->device, "SPROM MAC address invalid [ %pM ]\n", 8484a7639279SJakub Kicinski addr); 8485e689cf4aSJeff Kirsher return -EINVAL; 8486e689cf4aSJeff Kirsher } 8487e689cf4aSJeff Kirsher 8488a7639279SJakub Kicinski val8 = addr[5]; 8489a7639279SJakub Kicinski addr[5] += np->port; 8490a7639279SJakub Kicinski if (addr[5] < val8) 8491a7639279SJakub Kicinski addr[4]++; 8492a7639279SJakub Kicinski 8493a7639279SJakub Kicinski eth_hw_addr_set(dev, addr); 8494e689cf4aSJeff Kirsher 8495e689cf4aSJeff Kirsher val = nr64(ESPC_MOD_STR_LEN); 8496e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8497e689cf4aSJeff Kirsher "SPROM: MOD_STR_LEN[%llu]\n", (unsigned long long)val); 8498e689cf4aSJeff Kirsher if (val >= 8 * 4) 8499e689cf4aSJeff Kirsher return -EINVAL; 8500e689cf4aSJeff Kirsher 8501e689cf4aSJeff Kirsher for (i = 0; i < val; i += 4) { 8502e689cf4aSJeff Kirsher u64 tmp = nr64(ESPC_NCR(5 + (i / 4))); 8503e689cf4aSJeff Kirsher 8504e689cf4aSJeff Kirsher np->vpd.model[i + 3] = (tmp >> 0) & 0xff; 8505e689cf4aSJeff Kirsher np->vpd.model[i + 2] = (tmp >> 8) & 0xff; 8506e689cf4aSJeff Kirsher np->vpd.model[i + 1] = (tmp >> 16) & 0xff; 8507e689cf4aSJeff Kirsher np->vpd.model[i + 0] = (tmp >> 24) & 0xff; 8508e689cf4aSJeff Kirsher } 8509e689cf4aSJeff Kirsher np->vpd.model[val] = '\0'; 8510e689cf4aSJeff Kirsher 8511e689cf4aSJeff Kirsher val = nr64(ESPC_BD_MOD_STR_LEN); 8512e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8513e689cf4aSJeff Kirsher "SPROM: BD_MOD_STR_LEN[%llu]\n", (unsigned long long)val); 8514e689cf4aSJeff Kirsher if (val >= 4 * 4) 8515e689cf4aSJeff Kirsher return -EINVAL; 8516e689cf4aSJeff Kirsher 8517e689cf4aSJeff Kirsher for (i = 0; i < val; i += 4) { 8518e689cf4aSJeff Kirsher u64 tmp = nr64(ESPC_NCR(14 + (i / 4))); 8519e689cf4aSJeff Kirsher 8520e689cf4aSJeff Kirsher np->vpd.board_model[i + 3] = (tmp >> 0) & 0xff; 8521e689cf4aSJeff Kirsher np->vpd.board_model[i + 2] = (tmp >> 8) & 0xff; 8522e689cf4aSJeff Kirsher np->vpd.board_model[i + 1] = (tmp >> 16) & 0xff; 8523e689cf4aSJeff Kirsher np->vpd.board_model[i + 0] = (tmp >> 24) & 0xff; 8524e689cf4aSJeff Kirsher } 8525e689cf4aSJeff Kirsher np->vpd.board_model[val] = '\0'; 8526e689cf4aSJeff Kirsher 8527e689cf4aSJeff Kirsher np->vpd.mac_num = 8528e689cf4aSJeff Kirsher nr64(ESPC_NUM_PORTS_MACS) & ESPC_NUM_PORTS_MACS_VAL; 8529e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8530e689cf4aSJeff Kirsher "SPROM: NUM_PORTS_MACS[%d]\n", np->vpd.mac_num); 8531e689cf4aSJeff Kirsher 8532e689cf4aSJeff Kirsher return 0; 8533e689cf4aSJeff Kirsher } 8534e689cf4aSJeff Kirsher 8535f73d12bdSBill Pemberton static int niu_get_and_validate_port(struct niu *np) 8536e689cf4aSJeff Kirsher { 8537e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 8538e689cf4aSJeff Kirsher 8539e689cf4aSJeff Kirsher if (np->port <= 1) 8540e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_XMAC; 8541e689cf4aSJeff Kirsher 8542e689cf4aSJeff Kirsher if (!parent->num_ports) { 8543e689cf4aSJeff Kirsher if (parent->plat_type == PLAT_TYPE_NIU) { 8544e689cf4aSJeff Kirsher parent->num_ports = 2; 8545e689cf4aSJeff Kirsher } else { 8546e689cf4aSJeff Kirsher parent->num_ports = niu_pci_vpd_get_nports(np); 8547e689cf4aSJeff Kirsher if (!parent->num_ports) { 8548e689cf4aSJeff Kirsher /* Fall back to SPROM as last resort. 8549e689cf4aSJeff Kirsher * This will fail on most cards. 8550e689cf4aSJeff Kirsher */ 8551e689cf4aSJeff Kirsher parent->num_ports = nr64(ESPC_NUM_PORTS_MACS) & 8552e689cf4aSJeff Kirsher ESPC_NUM_PORTS_MACS_VAL; 8553e689cf4aSJeff Kirsher 8554e689cf4aSJeff Kirsher /* All of the current probing methods fail on 8555e689cf4aSJeff Kirsher * Maramba on-board parts. 8556e689cf4aSJeff Kirsher */ 8557e689cf4aSJeff Kirsher if (!parent->num_ports) 8558e689cf4aSJeff Kirsher parent->num_ports = 4; 8559e689cf4aSJeff Kirsher } 8560e689cf4aSJeff Kirsher } 8561e689cf4aSJeff Kirsher } 8562e689cf4aSJeff Kirsher 8563e689cf4aSJeff Kirsher if (np->port >= parent->num_ports) 8564e689cf4aSJeff Kirsher return -ENODEV; 8565e689cf4aSJeff Kirsher 8566e689cf4aSJeff Kirsher return 0; 8567e689cf4aSJeff Kirsher } 8568e689cf4aSJeff Kirsher 85691dd06ae8SGreg Kroah-Hartman static int phy_record(struct niu_parent *parent, struct phy_probe_info *p, 85701dd06ae8SGreg Kroah-Hartman int dev_id_1, int dev_id_2, u8 phy_port, int type) 8571e689cf4aSJeff Kirsher { 8572e689cf4aSJeff Kirsher u32 id = (dev_id_1 << 16) | dev_id_2; 8573e689cf4aSJeff Kirsher u8 idx; 8574e689cf4aSJeff Kirsher 8575e689cf4aSJeff Kirsher if (dev_id_1 < 0 || dev_id_2 < 0) 8576e689cf4aSJeff Kirsher return 0; 8577e689cf4aSJeff Kirsher if (type == PHY_TYPE_PMA_PMD || type == PHY_TYPE_PCS) { 85781d214fa3SDavid S. Miller /* Because of the NIU_PHY_ID_MASK being applied, the 8704 857963ec3c83SDavid S. Miller * test covers the 8706 as well. 858063ec3c83SDavid S. Miller */ 8581e689cf4aSJeff Kirsher if (((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM8704) && 858263ec3c83SDavid S. Miller ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_MRVL88X2011)) 8583e689cf4aSJeff Kirsher return 0; 8584e689cf4aSJeff Kirsher } else { 8585e689cf4aSJeff Kirsher if ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM5464R) 8586e689cf4aSJeff Kirsher return 0; 8587e689cf4aSJeff Kirsher } 8588e689cf4aSJeff Kirsher 8589e689cf4aSJeff Kirsher pr_info("niu%d: Found PHY %08x type %s at phy_port %u\n", 8590e689cf4aSJeff Kirsher parent->index, id, 8591e689cf4aSJeff Kirsher type == PHY_TYPE_PMA_PMD ? "PMA/PMD" : 8592e689cf4aSJeff Kirsher type == PHY_TYPE_PCS ? "PCS" : "MII", 8593e689cf4aSJeff Kirsher phy_port); 8594e689cf4aSJeff Kirsher 8595e689cf4aSJeff Kirsher if (p->cur[type] >= NIU_MAX_PORTS) { 8596e689cf4aSJeff Kirsher pr_err("Too many PHY ports\n"); 8597e689cf4aSJeff Kirsher return -EINVAL; 8598e689cf4aSJeff Kirsher } 8599e689cf4aSJeff Kirsher idx = p->cur[type]; 8600e689cf4aSJeff Kirsher p->phy_id[type][idx] = id; 8601e689cf4aSJeff Kirsher p->phy_port[type][idx] = phy_port; 8602e689cf4aSJeff Kirsher p->cur[type] = idx + 1; 8603e689cf4aSJeff Kirsher return 0; 8604e689cf4aSJeff Kirsher } 8605e689cf4aSJeff Kirsher 8606f73d12bdSBill Pemberton static int port_has_10g(struct phy_probe_info *p, int port) 8607e689cf4aSJeff Kirsher { 8608e689cf4aSJeff Kirsher int i; 8609e689cf4aSJeff Kirsher 8610e689cf4aSJeff Kirsher for (i = 0; i < p->cur[PHY_TYPE_PMA_PMD]; i++) { 8611e689cf4aSJeff Kirsher if (p->phy_port[PHY_TYPE_PMA_PMD][i] == port) 8612e689cf4aSJeff Kirsher return 1; 8613e689cf4aSJeff Kirsher } 8614e689cf4aSJeff Kirsher for (i = 0; i < p->cur[PHY_TYPE_PCS]; i++) { 8615e689cf4aSJeff Kirsher if (p->phy_port[PHY_TYPE_PCS][i] == port) 8616e689cf4aSJeff Kirsher return 1; 8617e689cf4aSJeff Kirsher } 8618e689cf4aSJeff Kirsher 8619e689cf4aSJeff Kirsher return 0; 8620e689cf4aSJeff Kirsher } 8621e689cf4aSJeff Kirsher 8622f73d12bdSBill Pemberton static int count_10g_ports(struct phy_probe_info *p, int *lowest) 8623e689cf4aSJeff Kirsher { 8624e689cf4aSJeff Kirsher int port, cnt; 8625e689cf4aSJeff Kirsher 8626e689cf4aSJeff Kirsher cnt = 0; 8627e689cf4aSJeff Kirsher *lowest = 32; 8628e689cf4aSJeff Kirsher for (port = 8; port < 32; port++) { 8629e689cf4aSJeff Kirsher if (port_has_10g(p, port)) { 8630e689cf4aSJeff Kirsher if (!cnt) 8631e689cf4aSJeff Kirsher *lowest = port; 8632e689cf4aSJeff Kirsher cnt++; 8633e689cf4aSJeff Kirsher } 8634e689cf4aSJeff Kirsher } 8635e689cf4aSJeff Kirsher 8636e689cf4aSJeff Kirsher return cnt; 8637e689cf4aSJeff Kirsher } 8638e689cf4aSJeff Kirsher 8639f73d12bdSBill Pemberton static int count_1g_ports(struct phy_probe_info *p, int *lowest) 8640e689cf4aSJeff Kirsher { 8641e689cf4aSJeff Kirsher *lowest = 32; 8642e689cf4aSJeff Kirsher if (p->cur[PHY_TYPE_MII]) 8643e689cf4aSJeff Kirsher *lowest = p->phy_port[PHY_TYPE_MII][0]; 8644e689cf4aSJeff Kirsher 8645e689cf4aSJeff Kirsher return p->cur[PHY_TYPE_MII]; 8646e689cf4aSJeff Kirsher } 8647e689cf4aSJeff Kirsher 8648f73d12bdSBill Pemberton static void niu_n2_divide_channels(struct niu_parent *parent) 8649e689cf4aSJeff Kirsher { 8650e689cf4aSJeff Kirsher int num_ports = parent->num_ports; 8651e689cf4aSJeff Kirsher int i; 8652e689cf4aSJeff Kirsher 8653e689cf4aSJeff Kirsher for (i = 0; i < num_ports; i++) { 8654e689cf4aSJeff Kirsher parent->rxchan_per_port[i] = (16 / num_ports); 8655e689cf4aSJeff Kirsher parent->txchan_per_port[i] = (16 / num_ports); 8656e689cf4aSJeff Kirsher 8657e689cf4aSJeff Kirsher pr_info("niu%d: Port %u [%u RX chans] [%u TX chans]\n", 8658e689cf4aSJeff Kirsher parent->index, i, 8659e689cf4aSJeff Kirsher parent->rxchan_per_port[i], 8660e689cf4aSJeff Kirsher parent->txchan_per_port[i]); 8661e689cf4aSJeff Kirsher } 8662e689cf4aSJeff Kirsher } 8663e689cf4aSJeff Kirsher 8664f73d12bdSBill Pemberton static void niu_divide_channels(struct niu_parent *parent, 8665e689cf4aSJeff Kirsher int num_10g, int num_1g) 8666e689cf4aSJeff Kirsher { 8667e689cf4aSJeff Kirsher int num_ports = parent->num_ports; 8668e689cf4aSJeff Kirsher int rx_chans_per_10g, rx_chans_per_1g; 8669e689cf4aSJeff Kirsher int tx_chans_per_10g, tx_chans_per_1g; 8670e689cf4aSJeff Kirsher int i, tot_rx, tot_tx; 8671e689cf4aSJeff Kirsher 8672e689cf4aSJeff Kirsher if (!num_10g || !num_1g) { 8673e689cf4aSJeff Kirsher rx_chans_per_10g = rx_chans_per_1g = 8674e689cf4aSJeff Kirsher (NIU_NUM_RXCHAN / num_ports); 8675e689cf4aSJeff Kirsher tx_chans_per_10g = tx_chans_per_1g = 8676e689cf4aSJeff Kirsher (NIU_NUM_TXCHAN / num_ports); 8677e689cf4aSJeff Kirsher } else { 8678e689cf4aSJeff Kirsher rx_chans_per_1g = NIU_NUM_RXCHAN / 8; 8679e689cf4aSJeff Kirsher rx_chans_per_10g = (NIU_NUM_RXCHAN - 8680e689cf4aSJeff Kirsher (rx_chans_per_1g * num_1g)) / 8681e689cf4aSJeff Kirsher num_10g; 8682e689cf4aSJeff Kirsher 8683e689cf4aSJeff Kirsher tx_chans_per_1g = NIU_NUM_TXCHAN / 6; 8684e689cf4aSJeff Kirsher tx_chans_per_10g = (NIU_NUM_TXCHAN - 8685e689cf4aSJeff Kirsher (tx_chans_per_1g * num_1g)) / 8686e689cf4aSJeff Kirsher num_10g; 8687e689cf4aSJeff Kirsher } 8688e689cf4aSJeff Kirsher 8689e689cf4aSJeff Kirsher tot_rx = tot_tx = 0; 8690e689cf4aSJeff Kirsher for (i = 0; i < num_ports; i++) { 8691e689cf4aSJeff Kirsher int type = phy_decode(parent->port_phy, i); 8692e689cf4aSJeff Kirsher 8693e689cf4aSJeff Kirsher if (type == PORT_TYPE_10G) { 8694e689cf4aSJeff Kirsher parent->rxchan_per_port[i] = rx_chans_per_10g; 8695e689cf4aSJeff Kirsher parent->txchan_per_port[i] = tx_chans_per_10g; 8696e689cf4aSJeff Kirsher } else { 8697e689cf4aSJeff Kirsher parent->rxchan_per_port[i] = rx_chans_per_1g; 8698e689cf4aSJeff Kirsher parent->txchan_per_port[i] = tx_chans_per_1g; 8699e689cf4aSJeff Kirsher } 8700e689cf4aSJeff Kirsher pr_info("niu%d: Port %u [%u RX chans] [%u TX chans]\n", 8701e689cf4aSJeff Kirsher parent->index, i, 8702e689cf4aSJeff Kirsher parent->rxchan_per_port[i], 8703e689cf4aSJeff Kirsher parent->txchan_per_port[i]); 8704e689cf4aSJeff Kirsher tot_rx += parent->rxchan_per_port[i]; 8705e689cf4aSJeff Kirsher tot_tx += parent->txchan_per_port[i]; 8706e689cf4aSJeff Kirsher } 8707e689cf4aSJeff Kirsher 8708e689cf4aSJeff Kirsher if (tot_rx > NIU_NUM_RXCHAN) { 8709e689cf4aSJeff Kirsher pr_err("niu%d: Too many RX channels (%d), resetting to one per port\n", 8710e689cf4aSJeff Kirsher parent->index, tot_rx); 8711e689cf4aSJeff Kirsher for (i = 0; i < num_ports; i++) 8712e689cf4aSJeff Kirsher parent->rxchan_per_port[i] = 1; 8713e689cf4aSJeff Kirsher } 8714e689cf4aSJeff Kirsher if (tot_tx > NIU_NUM_TXCHAN) { 8715e689cf4aSJeff Kirsher pr_err("niu%d: Too many TX channels (%d), resetting to one per port\n", 8716e689cf4aSJeff Kirsher parent->index, tot_tx); 8717e689cf4aSJeff Kirsher for (i = 0; i < num_ports; i++) 8718e689cf4aSJeff Kirsher parent->txchan_per_port[i] = 1; 8719e689cf4aSJeff Kirsher } 8720e689cf4aSJeff Kirsher if (tot_rx < NIU_NUM_RXCHAN || tot_tx < NIU_NUM_TXCHAN) { 8721fe3881cfSJoe Perches pr_warn("niu%d: Driver bug, wasted channels, RX[%d] TX[%d]\n", 8722e689cf4aSJeff Kirsher parent->index, tot_rx, tot_tx); 8723e689cf4aSJeff Kirsher } 8724e689cf4aSJeff Kirsher } 8725e689cf4aSJeff Kirsher 8726f73d12bdSBill Pemberton static void niu_divide_rdc_groups(struct niu_parent *parent, 8727e689cf4aSJeff Kirsher int num_10g, int num_1g) 8728e689cf4aSJeff Kirsher { 8729e689cf4aSJeff Kirsher int i, num_ports = parent->num_ports; 8730e689cf4aSJeff Kirsher int rdc_group, rdc_groups_per_port; 8731e689cf4aSJeff Kirsher int rdc_channel_base; 8732e689cf4aSJeff Kirsher 8733e689cf4aSJeff Kirsher rdc_group = 0; 8734e689cf4aSJeff Kirsher rdc_groups_per_port = NIU_NUM_RDC_TABLES / num_ports; 8735e689cf4aSJeff Kirsher 8736e689cf4aSJeff Kirsher rdc_channel_base = 0; 8737e689cf4aSJeff Kirsher 8738e689cf4aSJeff Kirsher for (i = 0; i < num_ports; i++) { 8739e689cf4aSJeff Kirsher struct niu_rdc_tables *tp = &parent->rdc_group_cfg[i]; 8740e689cf4aSJeff Kirsher int grp, num_channels = parent->rxchan_per_port[i]; 8741e689cf4aSJeff Kirsher int this_channel_offset; 8742e689cf4aSJeff Kirsher 8743e689cf4aSJeff Kirsher tp->first_table_num = rdc_group; 8744e689cf4aSJeff Kirsher tp->num_tables = rdc_groups_per_port; 8745e689cf4aSJeff Kirsher this_channel_offset = 0; 8746e689cf4aSJeff Kirsher for (grp = 0; grp < tp->num_tables; grp++) { 8747e689cf4aSJeff Kirsher struct rdc_table *rt = &tp->tables[grp]; 8748e689cf4aSJeff Kirsher int slot; 8749e689cf4aSJeff Kirsher 8750e689cf4aSJeff Kirsher pr_info("niu%d: Port %d RDC tbl(%d) [ ", 8751e689cf4aSJeff Kirsher parent->index, i, tp->first_table_num + grp); 8752e689cf4aSJeff Kirsher for (slot = 0; slot < NIU_RDC_TABLE_SLOTS; slot++) { 8753e689cf4aSJeff Kirsher rt->rxdma_channel[slot] = 8754e689cf4aSJeff Kirsher rdc_channel_base + this_channel_offset; 8755e689cf4aSJeff Kirsher 8756e689cf4aSJeff Kirsher pr_cont("%d ", rt->rxdma_channel[slot]); 8757e689cf4aSJeff Kirsher 8758e689cf4aSJeff Kirsher if (++this_channel_offset == num_channels) 8759e689cf4aSJeff Kirsher this_channel_offset = 0; 8760e689cf4aSJeff Kirsher } 8761e689cf4aSJeff Kirsher pr_cont("]\n"); 8762e689cf4aSJeff Kirsher } 8763e689cf4aSJeff Kirsher 8764e689cf4aSJeff Kirsher parent->rdc_default[i] = rdc_channel_base; 8765e689cf4aSJeff Kirsher 8766e689cf4aSJeff Kirsher rdc_channel_base += num_channels; 8767e689cf4aSJeff Kirsher rdc_group += rdc_groups_per_port; 8768e689cf4aSJeff Kirsher } 8769e689cf4aSJeff Kirsher } 8770e689cf4aSJeff Kirsher 87711dd06ae8SGreg Kroah-Hartman static int fill_phy_probe_info(struct niu *np, struct niu_parent *parent, 8772e689cf4aSJeff Kirsher struct phy_probe_info *info) 8773e689cf4aSJeff Kirsher { 8774e689cf4aSJeff Kirsher unsigned long flags; 8775e689cf4aSJeff Kirsher int port, err; 8776e689cf4aSJeff Kirsher 8777e689cf4aSJeff Kirsher memset(info, 0, sizeof(*info)); 8778e689cf4aSJeff Kirsher 8779e689cf4aSJeff Kirsher /* Port 0 to 7 are reserved for onboard Serdes, probe the rest. */ 8780e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 8781e689cf4aSJeff Kirsher err = 0; 8782e689cf4aSJeff Kirsher for (port = 8; port < 32; port++) { 8783e689cf4aSJeff Kirsher int dev_id_1, dev_id_2; 8784e689cf4aSJeff Kirsher 8785e689cf4aSJeff Kirsher dev_id_1 = mdio_read(np, port, 8786e689cf4aSJeff Kirsher NIU_PMA_PMD_DEV_ADDR, MII_PHYSID1); 8787e689cf4aSJeff Kirsher dev_id_2 = mdio_read(np, port, 8788e689cf4aSJeff Kirsher NIU_PMA_PMD_DEV_ADDR, MII_PHYSID2); 8789e689cf4aSJeff Kirsher err = phy_record(parent, info, dev_id_1, dev_id_2, port, 8790e689cf4aSJeff Kirsher PHY_TYPE_PMA_PMD); 8791e689cf4aSJeff Kirsher if (err) 8792e689cf4aSJeff Kirsher break; 8793e689cf4aSJeff Kirsher dev_id_1 = mdio_read(np, port, 8794e689cf4aSJeff Kirsher NIU_PCS_DEV_ADDR, MII_PHYSID1); 8795e689cf4aSJeff Kirsher dev_id_2 = mdio_read(np, port, 8796e689cf4aSJeff Kirsher NIU_PCS_DEV_ADDR, MII_PHYSID2); 8797e689cf4aSJeff Kirsher err = phy_record(parent, info, dev_id_1, dev_id_2, port, 8798e689cf4aSJeff Kirsher PHY_TYPE_PCS); 8799e689cf4aSJeff Kirsher if (err) 8800e689cf4aSJeff Kirsher break; 8801e689cf4aSJeff Kirsher dev_id_1 = mii_read(np, port, MII_PHYSID1); 8802e689cf4aSJeff Kirsher dev_id_2 = mii_read(np, port, MII_PHYSID2); 8803e689cf4aSJeff Kirsher err = phy_record(parent, info, dev_id_1, dev_id_2, port, 8804e689cf4aSJeff Kirsher PHY_TYPE_MII); 8805e689cf4aSJeff Kirsher if (err) 8806e689cf4aSJeff Kirsher break; 8807e689cf4aSJeff Kirsher } 8808e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 8809e689cf4aSJeff Kirsher 8810e689cf4aSJeff Kirsher return err; 8811e689cf4aSJeff Kirsher } 8812e689cf4aSJeff Kirsher 8813f73d12bdSBill Pemberton static int walk_phys(struct niu *np, struct niu_parent *parent) 8814e689cf4aSJeff Kirsher { 8815e689cf4aSJeff Kirsher struct phy_probe_info *info = &parent->phy_probe_info; 8816e689cf4aSJeff Kirsher int lowest_10g, lowest_1g; 8817e689cf4aSJeff Kirsher int num_10g, num_1g; 8818e689cf4aSJeff Kirsher u32 val; 8819e689cf4aSJeff Kirsher int err; 8820e689cf4aSJeff Kirsher 8821e689cf4aSJeff Kirsher num_10g = num_1g = 0; 8822e689cf4aSJeff Kirsher 8823e689cf4aSJeff Kirsher if (!strcmp(np->vpd.model, NIU_ALONSO_MDL_STR) || 8824e689cf4aSJeff Kirsher !strcmp(np->vpd.model, NIU_KIMI_MDL_STR)) { 8825e689cf4aSJeff Kirsher num_10g = 0; 8826e689cf4aSJeff Kirsher num_1g = 2; 8827e689cf4aSJeff Kirsher parent->plat_type = PLAT_TYPE_ATCA_CP3220; 8828e689cf4aSJeff Kirsher parent->num_ports = 4; 8829e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_1G, 0) | 8830e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 1) | 8831e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 2) | 8832e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 3)); 8833e689cf4aSJeff Kirsher } else if (!strcmp(np->vpd.model, NIU_FOXXY_MDL_STR)) { 8834e689cf4aSJeff Kirsher num_10g = 2; 8835e689cf4aSJeff Kirsher num_1g = 0; 8836e689cf4aSJeff Kirsher parent->num_ports = 2; 8837e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_10G, 0) | 8838e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_10G, 1)); 8839e689cf4aSJeff Kirsher } else if ((np->flags & NIU_FLAGS_XCVR_SERDES) && 8840e689cf4aSJeff Kirsher (parent->plat_type == PLAT_TYPE_NIU)) { 8841e689cf4aSJeff Kirsher /* this is the Monza case */ 8842e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_10G) { 8843e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_10G, 0) | 8844e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_10G, 1)); 8845e689cf4aSJeff Kirsher } else { 8846e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_1G, 0) | 8847e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 1)); 8848e689cf4aSJeff Kirsher } 8849e689cf4aSJeff Kirsher } else { 8850e689cf4aSJeff Kirsher err = fill_phy_probe_info(np, parent, info); 8851e689cf4aSJeff Kirsher if (err) 8852e689cf4aSJeff Kirsher return err; 8853e689cf4aSJeff Kirsher 8854e689cf4aSJeff Kirsher num_10g = count_10g_ports(info, &lowest_10g); 8855e689cf4aSJeff Kirsher num_1g = count_1g_ports(info, &lowest_1g); 8856e689cf4aSJeff Kirsher 8857e689cf4aSJeff Kirsher switch ((num_10g << 4) | num_1g) { 8858e689cf4aSJeff Kirsher case 0x24: 8859e689cf4aSJeff Kirsher if (lowest_1g == 10) 8860e689cf4aSJeff Kirsher parent->plat_type = PLAT_TYPE_VF_P0; 8861e689cf4aSJeff Kirsher else if (lowest_1g == 26) 8862e689cf4aSJeff Kirsher parent->plat_type = PLAT_TYPE_VF_P1; 8863e689cf4aSJeff Kirsher else 8864e689cf4aSJeff Kirsher goto unknown_vg_1g_port; 8865e689cf4aSJeff Kirsher 8866df561f66SGustavo A. R. Silva fallthrough; 8867e689cf4aSJeff Kirsher case 0x22: 8868e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_10G, 0) | 8869e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_10G, 1) | 8870e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 2) | 8871e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 3)); 8872e689cf4aSJeff Kirsher break; 8873e689cf4aSJeff Kirsher 8874e689cf4aSJeff Kirsher case 0x20: 8875e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_10G, 0) | 8876e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_10G, 1)); 8877e689cf4aSJeff Kirsher break; 8878e689cf4aSJeff Kirsher 8879e689cf4aSJeff Kirsher case 0x10: 8880e689cf4aSJeff Kirsher val = phy_encode(PORT_TYPE_10G, np->port); 8881e689cf4aSJeff Kirsher break; 8882e689cf4aSJeff Kirsher 8883e689cf4aSJeff Kirsher case 0x14: 8884e689cf4aSJeff Kirsher if (lowest_1g == 10) 8885e689cf4aSJeff Kirsher parent->plat_type = PLAT_TYPE_VF_P0; 8886e689cf4aSJeff Kirsher else if (lowest_1g == 26) 8887e689cf4aSJeff Kirsher parent->plat_type = PLAT_TYPE_VF_P1; 8888e689cf4aSJeff Kirsher else 8889e689cf4aSJeff Kirsher goto unknown_vg_1g_port; 8890e689cf4aSJeff Kirsher 8891df561f66SGustavo A. R. Silva fallthrough; 8892e689cf4aSJeff Kirsher case 0x13: 8893e689cf4aSJeff Kirsher if ((lowest_10g & 0x7) == 0) 8894e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_10G, 0) | 8895e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 1) | 8896e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 2) | 8897e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 3)); 8898e689cf4aSJeff Kirsher else 8899e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_1G, 0) | 8900e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_10G, 1) | 8901e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 2) | 8902e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 3)); 8903e689cf4aSJeff Kirsher break; 8904e689cf4aSJeff Kirsher 8905e689cf4aSJeff Kirsher case 0x04: 8906e689cf4aSJeff Kirsher if (lowest_1g == 10) 8907e689cf4aSJeff Kirsher parent->plat_type = PLAT_TYPE_VF_P0; 8908e689cf4aSJeff Kirsher else if (lowest_1g == 26) 8909e689cf4aSJeff Kirsher parent->plat_type = PLAT_TYPE_VF_P1; 8910e689cf4aSJeff Kirsher else 8911e689cf4aSJeff Kirsher goto unknown_vg_1g_port; 8912e689cf4aSJeff Kirsher 8913e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_1G, 0) | 8914e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 1) | 8915e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 2) | 8916e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 3)); 8917e689cf4aSJeff Kirsher break; 8918e689cf4aSJeff Kirsher 8919e689cf4aSJeff Kirsher default: 8920e689cf4aSJeff Kirsher pr_err("Unsupported port config 10G[%d] 1G[%d]\n", 8921e689cf4aSJeff Kirsher num_10g, num_1g); 8922e689cf4aSJeff Kirsher return -EINVAL; 8923e689cf4aSJeff Kirsher } 8924e689cf4aSJeff Kirsher } 8925e689cf4aSJeff Kirsher 8926e689cf4aSJeff Kirsher parent->port_phy = val; 8927e689cf4aSJeff Kirsher 8928e689cf4aSJeff Kirsher if (parent->plat_type == PLAT_TYPE_NIU) 8929e689cf4aSJeff Kirsher niu_n2_divide_channels(parent); 8930e689cf4aSJeff Kirsher else 8931e689cf4aSJeff Kirsher niu_divide_channels(parent, num_10g, num_1g); 8932e689cf4aSJeff Kirsher 8933e689cf4aSJeff Kirsher niu_divide_rdc_groups(parent, num_10g, num_1g); 8934e689cf4aSJeff Kirsher 8935e689cf4aSJeff Kirsher return 0; 8936e689cf4aSJeff Kirsher 8937e689cf4aSJeff Kirsher unknown_vg_1g_port: 8938e689cf4aSJeff Kirsher pr_err("Cannot identify platform type, 1gport=%d\n", lowest_1g); 8939e689cf4aSJeff Kirsher return -EINVAL; 8940e689cf4aSJeff Kirsher } 8941e689cf4aSJeff Kirsher 8942f73d12bdSBill Pemberton static int niu_probe_ports(struct niu *np) 8943e689cf4aSJeff Kirsher { 8944e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 8945e689cf4aSJeff Kirsher int err, i; 8946e689cf4aSJeff Kirsher 8947e689cf4aSJeff Kirsher if (parent->port_phy == PORT_PHY_UNKNOWN) { 8948e689cf4aSJeff Kirsher err = walk_phys(np, parent); 8949e689cf4aSJeff Kirsher if (err) 8950e689cf4aSJeff Kirsher return err; 8951e689cf4aSJeff Kirsher 8952e689cf4aSJeff Kirsher niu_set_ldg_timer_res(np, 2); 8953e689cf4aSJeff Kirsher for (i = 0; i <= LDN_MAX; i++) 8954e689cf4aSJeff Kirsher niu_ldn_irq_enable(np, i, 0); 8955e689cf4aSJeff Kirsher } 8956e689cf4aSJeff Kirsher 8957e689cf4aSJeff Kirsher if (parent->port_phy == PORT_PHY_INVALID) 8958e689cf4aSJeff Kirsher return -EINVAL; 8959e689cf4aSJeff Kirsher 8960e689cf4aSJeff Kirsher return 0; 8961e689cf4aSJeff Kirsher } 8962e689cf4aSJeff Kirsher 8963f73d12bdSBill Pemberton static int niu_classifier_swstate_init(struct niu *np) 8964e689cf4aSJeff Kirsher { 8965e689cf4aSJeff Kirsher struct niu_classifier *cp = &np->clas; 8966e689cf4aSJeff Kirsher 8967e689cf4aSJeff Kirsher cp->tcam_top = (u16) np->port; 8968e689cf4aSJeff Kirsher cp->tcam_sz = np->parent->tcam_num_entries / np->parent->num_ports; 8969e689cf4aSJeff Kirsher cp->h1_init = 0xffffffff; 8970e689cf4aSJeff Kirsher cp->h2_init = 0xffff; 8971e689cf4aSJeff Kirsher 8972e689cf4aSJeff Kirsher return fflp_early_init(np); 8973e689cf4aSJeff Kirsher } 8974e689cf4aSJeff Kirsher 8975f73d12bdSBill Pemberton static void niu_link_config_init(struct niu *np) 8976e689cf4aSJeff Kirsher { 8977e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 8978e689cf4aSJeff Kirsher 8979e689cf4aSJeff Kirsher lp->advertising = (ADVERTISED_10baseT_Half | 8980e689cf4aSJeff Kirsher ADVERTISED_10baseT_Full | 8981e689cf4aSJeff Kirsher ADVERTISED_100baseT_Half | 8982e689cf4aSJeff Kirsher ADVERTISED_100baseT_Full | 8983e689cf4aSJeff Kirsher ADVERTISED_1000baseT_Half | 8984e689cf4aSJeff Kirsher ADVERTISED_1000baseT_Full | 8985e689cf4aSJeff Kirsher ADVERTISED_10000baseT_Full | 8986e689cf4aSJeff Kirsher ADVERTISED_Autoneg); 8987e689cf4aSJeff Kirsher lp->speed = lp->active_speed = SPEED_INVALID; 8988e689cf4aSJeff Kirsher lp->duplex = DUPLEX_FULL; 8989e689cf4aSJeff Kirsher lp->active_duplex = DUPLEX_INVALID; 8990e689cf4aSJeff Kirsher lp->autoneg = 1; 8991e689cf4aSJeff Kirsher #if 0 8992e689cf4aSJeff Kirsher lp->loopback_mode = LOOPBACK_MAC; 8993e689cf4aSJeff Kirsher lp->active_speed = SPEED_10000; 8994e689cf4aSJeff Kirsher lp->active_duplex = DUPLEX_FULL; 8995e689cf4aSJeff Kirsher #else 8996e689cf4aSJeff Kirsher lp->loopback_mode = LOOPBACK_DISABLED; 8997e689cf4aSJeff Kirsher #endif 8998e689cf4aSJeff Kirsher } 8999e689cf4aSJeff Kirsher 9000f73d12bdSBill Pemberton static int niu_init_mac_ipp_pcs_base(struct niu *np) 9001e689cf4aSJeff Kirsher { 9002e689cf4aSJeff Kirsher switch (np->port) { 9003e689cf4aSJeff Kirsher case 0: 9004e689cf4aSJeff Kirsher np->mac_regs = np->regs + XMAC_PORT0_OFF; 9005e689cf4aSJeff Kirsher np->ipp_off = 0x00000; 9006e689cf4aSJeff Kirsher np->pcs_off = 0x04000; 9007e689cf4aSJeff Kirsher np->xpcs_off = 0x02000; 9008e689cf4aSJeff Kirsher break; 9009e689cf4aSJeff Kirsher 9010e689cf4aSJeff Kirsher case 1: 9011e689cf4aSJeff Kirsher np->mac_regs = np->regs + XMAC_PORT1_OFF; 9012e689cf4aSJeff Kirsher np->ipp_off = 0x08000; 9013e689cf4aSJeff Kirsher np->pcs_off = 0x0a000; 9014e689cf4aSJeff Kirsher np->xpcs_off = 0x08000; 9015e689cf4aSJeff Kirsher break; 9016e689cf4aSJeff Kirsher 9017e689cf4aSJeff Kirsher case 2: 9018e689cf4aSJeff Kirsher np->mac_regs = np->regs + BMAC_PORT2_OFF; 9019e689cf4aSJeff Kirsher np->ipp_off = 0x04000; 9020e689cf4aSJeff Kirsher np->pcs_off = 0x0e000; 9021e689cf4aSJeff Kirsher np->xpcs_off = ~0UL; 9022e689cf4aSJeff Kirsher break; 9023e689cf4aSJeff Kirsher 9024e689cf4aSJeff Kirsher case 3: 9025e689cf4aSJeff Kirsher np->mac_regs = np->regs + BMAC_PORT3_OFF; 9026e689cf4aSJeff Kirsher np->ipp_off = 0x0c000; 9027e689cf4aSJeff Kirsher np->pcs_off = 0x12000; 9028e689cf4aSJeff Kirsher np->xpcs_off = ~0UL; 9029e689cf4aSJeff Kirsher break; 9030e689cf4aSJeff Kirsher 9031e689cf4aSJeff Kirsher default: 9032e689cf4aSJeff Kirsher dev_err(np->device, "Port %u is invalid, cannot compute MAC block offset\n", np->port); 9033e689cf4aSJeff Kirsher return -EINVAL; 9034e689cf4aSJeff Kirsher } 9035e689cf4aSJeff Kirsher 9036e689cf4aSJeff Kirsher return 0; 9037e689cf4aSJeff Kirsher } 9038e689cf4aSJeff Kirsher 9039f73d12bdSBill Pemberton static void niu_try_msix(struct niu *np, u8 *ldg_num_map) 9040e689cf4aSJeff Kirsher { 9041e689cf4aSJeff Kirsher struct msix_entry msi_vec[NIU_NUM_LDG]; 9042e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 9043e689cf4aSJeff Kirsher struct pci_dev *pdev = np->pdev; 90449e7df17eSAlexander Gordeev int i, num_irqs; 9045e689cf4aSJeff Kirsher u8 first_ldg; 9046e689cf4aSJeff Kirsher 9047e689cf4aSJeff Kirsher first_ldg = (NIU_NUM_LDG / parent->num_ports) * np->port; 9048e689cf4aSJeff Kirsher for (i = 0; i < (NIU_NUM_LDG / parent->num_ports); i++) 9049e689cf4aSJeff Kirsher ldg_num_map[i] = first_ldg + i; 9050e689cf4aSJeff Kirsher 9051e689cf4aSJeff Kirsher num_irqs = (parent->rxchan_per_port[np->port] + 9052e689cf4aSJeff Kirsher parent->txchan_per_port[np->port] + 9053e689cf4aSJeff Kirsher (np->port == 0 ? 3 : 1)); 9054e689cf4aSJeff Kirsher BUG_ON(num_irqs > (NIU_NUM_LDG / parent->num_ports)); 9055e689cf4aSJeff Kirsher 9056e689cf4aSJeff Kirsher for (i = 0; i < num_irqs; i++) { 9057e689cf4aSJeff Kirsher msi_vec[i].vector = 0; 9058e689cf4aSJeff Kirsher msi_vec[i].entry = i; 9059e689cf4aSJeff Kirsher } 9060e689cf4aSJeff Kirsher 90619e7df17eSAlexander Gordeev num_irqs = pci_enable_msix_range(pdev, msi_vec, 1, num_irqs); 90629e7df17eSAlexander Gordeev if (num_irqs < 0) { 9063e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_MSIX; 9064e689cf4aSJeff Kirsher return; 9065e689cf4aSJeff Kirsher } 9066e689cf4aSJeff Kirsher 9067e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_MSIX; 9068e689cf4aSJeff Kirsher for (i = 0; i < num_irqs; i++) 9069e689cf4aSJeff Kirsher np->ldg[i].irq = msi_vec[i].vector; 9070e689cf4aSJeff Kirsher np->num_ldg = num_irqs; 9071e689cf4aSJeff Kirsher } 9072e689cf4aSJeff Kirsher 9073f73d12bdSBill Pemberton static int niu_n2_irq_init(struct niu *np, u8 *ldg_num_map) 9074e689cf4aSJeff Kirsher { 9075e689cf4aSJeff Kirsher #ifdef CONFIG_SPARC64 9076e689cf4aSJeff Kirsher struct platform_device *op = np->op; 9077e689cf4aSJeff Kirsher const u32 *int_prop; 9078e689cf4aSJeff Kirsher int i; 9079e689cf4aSJeff Kirsher 9080e689cf4aSJeff Kirsher int_prop = of_get_property(op->dev.of_node, "interrupts", NULL); 9081e689cf4aSJeff Kirsher if (!int_prop) 9082e689cf4aSJeff Kirsher return -ENODEV; 9083e689cf4aSJeff Kirsher 9084e689cf4aSJeff Kirsher for (i = 0; i < op->archdata.num_irqs; i++) { 9085e689cf4aSJeff Kirsher ldg_num_map[i] = int_prop[i]; 9086e689cf4aSJeff Kirsher np->ldg[i].irq = op->archdata.irqs[i]; 9087e689cf4aSJeff Kirsher } 9088e689cf4aSJeff Kirsher 9089e689cf4aSJeff Kirsher np->num_ldg = op->archdata.num_irqs; 9090e689cf4aSJeff Kirsher 9091e689cf4aSJeff Kirsher return 0; 9092e689cf4aSJeff Kirsher #else 9093e689cf4aSJeff Kirsher return -EINVAL; 9094e689cf4aSJeff Kirsher #endif 9095e689cf4aSJeff Kirsher } 9096e689cf4aSJeff Kirsher 9097f73d12bdSBill Pemberton static int niu_ldg_init(struct niu *np) 9098e689cf4aSJeff Kirsher { 9099e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 9100e689cf4aSJeff Kirsher u8 ldg_num_map[NIU_NUM_LDG]; 9101e689cf4aSJeff Kirsher int first_chan, num_chan; 9102e689cf4aSJeff Kirsher int i, err, ldg_rotor; 9103e689cf4aSJeff Kirsher u8 port; 9104e689cf4aSJeff Kirsher 9105e689cf4aSJeff Kirsher np->num_ldg = 1; 9106e689cf4aSJeff Kirsher np->ldg[0].irq = np->dev->irq; 9107e689cf4aSJeff Kirsher if (parent->plat_type == PLAT_TYPE_NIU) { 9108e689cf4aSJeff Kirsher err = niu_n2_irq_init(np, ldg_num_map); 9109e689cf4aSJeff Kirsher if (err) 9110e689cf4aSJeff Kirsher return err; 9111e689cf4aSJeff Kirsher } else 9112e689cf4aSJeff Kirsher niu_try_msix(np, ldg_num_map); 9113e689cf4aSJeff Kirsher 9114e689cf4aSJeff Kirsher port = np->port; 9115e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg; i++) { 9116e689cf4aSJeff Kirsher struct niu_ldg *lp = &np->ldg[i]; 9117e689cf4aSJeff Kirsher 9118*b48b89f9SJakub Kicinski netif_napi_add(np->dev, &lp->napi, niu_poll); 9119e689cf4aSJeff Kirsher 9120e689cf4aSJeff Kirsher lp->np = np; 9121e689cf4aSJeff Kirsher lp->ldg_num = ldg_num_map[i]; 9122e689cf4aSJeff Kirsher lp->timer = 2; /* XXX */ 9123e689cf4aSJeff Kirsher 9124e689cf4aSJeff Kirsher /* On N2 NIU the firmware has setup the SID mappings so they go 9125e689cf4aSJeff Kirsher * to the correct values that will route the LDG to the proper 9126e689cf4aSJeff Kirsher * interrupt in the NCU interrupt table. 9127e689cf4aSJeff Kirsher */ 9128e689cf4aSJeff Kirsher if (np->parent->plat_type != PLAT_TYPE_NIU) { 9129e689cf4aSJeff Kirsher err = niu_set_ldg_sid(np, lp->ldg_num, port, i); 9130e689cf4aSJeff Kirsher if (err) 9131e689cf4aSJeff Kirsher return err; 9132e689cf4aSJeff Kirsher } 9133e689cf4aSJeff Kirsher } 9134e689cf4aSJeff Kirsher 9135e689cf4aSJeff Kirsher /* We adopt the LDG assignment ordering used by the N2 NIU 9136e689cf4aSJeff Kirsher * 'interrupt' properties because that simplifies a lot of 9137e689cf4aSJeff Kirsher * things. This ordering is: 9138e689cf4aSJeff Kirsher * 9139e689cf4aSJeff Kirsher * MAC 9140e689cf4aSJeff Kirsher * MIF (if port zero) 9141e689cf4aSJeff Kirsher * SYSERR (if port zero) 9142e689cf4aSJeff Kirsher * RX channels 9143e689cf4aSJeff Kirsher * TX channels 9144e689cf4aSJeff Kirsher */ 9145e689cf4aSJeff Kirsher 9146e689cf4aSJeff Kirsher ldg_rotor = 0; 9147e689cf4aSJeff Kirsher 9148e689cf4aSJeff Kirsher err = niu_ldg_assign_ldn(np, parent, ldg_num_map[ldg_rotor], 9149e689cf4aSJeff Kirsher LDN_MAC(port)); 9150e689cf4aSJeff Kirsher if (err) 9151e689cf4aSJeff Kirsher return err; 9152e689cf4aSJeff Kirsher 9153e689cf4aSJeff Kirsher ldg_rotor++; 9154e689cf4aSJeff Kirsher if (ldg_rotor == np->num_ldg) 9155e689cf4aSJeff Kirsher ldg_rotor = 0; 9156e689cf4aSJeff Kirsher 9157e689cf4aSJeff Kirsher if (port == 0) { 9158e689cf4aSJeff Kirsher err = niu_ldg_assign_ldn(np, parent, 9159e689cf4aSJeff Kirsher ldg_num_map[ldg_rotor], 9160e689cf4aSJeff Kirsher LDN_MIF); 9161e689cf4aSJeff Kirsher if (err) 9162e689cf4aSJeff Kirsher return err; 9163e689cf4aSJeff Kirsher 9164e689cf4aSJeff Kirsher ldg_rotor++; 9165e689cf4aSJeff Kirsher if (ldg_rotor == np->num_ldg) 9166e689cf4aSJeff Kirsher ldg_rotor = 0; 9167e689cf4aSJeff Kirsher 9168e689cf4aSJeff Kirsher err = niu_ldg_assign_ldn(np, parent, 9169e689cf4aSJeff Kirsher ldg_num_map[ldg_rotor], 9170e689cf4aSJeff Kirsher LDN_DEVICE_ERROR); 9171e689cf4aSJeff Kirsher if (err) 9172e689cf4aSJeff Kirsher return err; 9173e689cf4aSJeff Kirsher 9174e689cf4aSJeff Kirsher ldg_rotor++; 9175e689cf4aSJeff Kirsher if (ldg_rotor == np->num_ldg) 9176e689cf4aSJeff Kirsher ldg_rotor = 0; 9177e689cf4aSJeff Kirsher 9178e689cf4aSJeff Kirsher } 9179e689cf4aSJeff Kirsher 9180e689cf4aSJeff Kirsher first_chan = 0; 9181e689cf4aSJeff Kirsher for (i = 0; i < port; i++) 9182e689cf4aSJeff Kirsher first_chan += parent->rxchan_per_port[i]; 9183e689cf4aSJeff Kirsher num_chan = parent->rxchan_per_port[port]; 9184e689cf4aSJeff Kirsher 9185e689cf4aSJeff Kirsher for (i = first_chan; i < (first_chan + num_chan); i++) { 9186e689cf4aSJeff Kirsher err = niu_ldg_assign_ldn(np, parent, 9187e689cf4aSJeff Kirsher ldg_num_map[ldg_rotor], 9188e689cf4aSJeff Kirsher LDN_RXDMA(i)); 9189e689cf4aSJeff Kirsher if (err) 9190e689cf4aSJeff Kirsher return err; 9191e689cf4aSJeff Kirsher ldg_rotor++; 9192e689cf4aSJeff Kirsher if (ldg_rotor == np->num_ldg) 9193e689cf4aSJeff Kirsher ldg_rotor = 0; 9194e689cf4aSJeff Kirsher } 9195e689cf4aSJeff Kirsher 9196e689cf4aSJeff Kirsher first_chan = 0; 9197e689cf4aSJeff Kirsher for (i = 0; i < port; i++) 9198e689cf4aSJeff Kirsher first_chan += parent->txchan_per_port[i]; 9199e689cf4aSJeff Kirsher num_chan = parent->txchan_per_port[port]; 9200e689cf4aSJeff Kirsher for (i = first_chan; i < (first_chan + num_chan); i++) { 9201e689cf4aSJeff Kirsher err = niu_ldg_assign_ldn(np, parent, 9202e689cf4aSJeff Kirsher ldg_num_map[ldg_rotor], 9203e689cf4aSJeff Kirsher LDN_TXDMA(i)); 9204e689cf4aSJeff Kirsher if (err) 9205e689cf4aSJeff Kirsher return err; 9206e689cf4aSJeff Kirsher ldg_rotor++; 9207e689cf4aSJeff Kirsher if (ldg_rotor == np->num_ldg) 9208e689cf4aSJeff Kirsher ldg_rotor = 0; 9209e689cf4aSJeff Kirsher } 9210e689cf4aSJeff Kirsher 9211e689cf4aSJeff Kirsher return 0; 9212e689cf4aSJeff Kirsher } 9213e689cf4aSJeff Kirsher 9214f73d12bdSBill Pemberton static void niu_ldg_free(struct niu *np) 9215e689cf4aSJeff Kirsher { 9216e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_MSIX) 9217e689cf4aSJeff Kirsher pci_disable_msix(np->pdev); 9218e689cf4aSJeff Kirsher } 9219e689cf4aSJeff Kirsher 9220f73d12bdSBill Pemberton static int niu_get_of_props(struct niu *np) 9221e689cf4aSJeff Kirsher { 9222e689cf4aSJeff Kirsher #ifdef CONFIG_SPARC64 9223e689cf4aSJeff Kirsher struct net_device *dev = np->dev; 9224e689cf4aSJeff Kirsher struct device_node *dp; 9225e689cf4aSJeff Kirsher const char *phy_type; 9226e689cf4aSJeff Kirsher const u8 *mac_addr; 9227e689cf4aSJeff Kirsher const char *model; 9228e689cf4aSJeff Kirsher int prop_len; 9229e689cf4aSJeff Kirsher 9230e689cf4aSJeff Kirsher if (np->parent->plat_type == PLAT_TYPE_NIU) 9231e689cf4aSJeff Kirsher dp = np->op->dev.of_node; 9232e689cf4aSJeff Kirsher else 9233e689cf4aSJeff Kirsher dp = pci_device_to_OF_node(np->pdev); 9234e689cf4aSJeff Kirsher 9235451395f7SMartin Kaiser phy_type = of_get_property(dp, "phy-type", NULL); 9236e689cf4aSJeff Kirsher if (!phy_type) { 9237f7ce9103SRob Herring netdev_err(dev, "%pOF: OF node lacks phy-type property\n", dp); 9238e689cf4aSJeff Kirsher return -EINVAL; 9239e689cf4aSJeff Kirsher } 9240e689cf4aSJeff Kirsher 9241e689cf4aSJeff Kirsher if (!strcmp(phy_type, "none")) 9242e689cf4aSJeff Kirsher return -ENODEV; 9243e689cf4aSJeff Kirsher 9244e689cf4aSJeff Kirsher strcpy(np->vpd.phy_type, phy_type); 9245e689cf4aSJeff Kirsher 9246e689cf4aSJeff Kirsher if (niu_phy_type_prop_decode(np, np->vpd.phy_type)) { 9247f7ce9103SRob Herring netdev_err(dev, "%pOF: Illegal phy string [%s]\n", 9248f7ce9103SRob Herring dp, np->vpd.phy_type); 9249e689cf4aSJeff Kirsher return -EINVAL; 9250e689cf4aSJeff Kirsher } 9251e689cf4aSJeff Kirsher 9252e689cf4aSJeff Kirsher mac_addr = of_get_property(dp, "local-mac-address", &prop_len); 9253e689cf4aSJeff Kirsher if (!mac_addr) { 9254f7ce9103SRob Herring netdev_err(dev, "%pOF: OF node lacks local-mac-address property\n", 9255f7ce9103SRob Herring dp); 9256e689cf4aSJeff Kirsher return -EINVAL; 9257e689cf4aSJeff Kirsher } 9258e689cf4aSJeff Kirsher if (prop_len != dev->addr_len) { 9259f7ce9103SRob Herring netdev_err(dev, "%pOF: OF MAC address prop len (%d) is wrong\n", 9260f7ce9103SRob Herring dp, prop_len); 9261e689cf4aSJeff Kirsher } 9262a05e4c0aSJakub Kicinski eth_hw_addr_set(dev, mac_addr); 9263aaeb6cdfSJiri Pirko if (!is_valid_ether_addr(&dev->dev_addr[0])) { 9264f7ce9103SRob Herring netdev_err(dev, "%pOF: OF MAC address is invalid\n", dp); 9265f7ce9103SRob Herring netdev_err(dev, "%pOF: [ %pM ]\n", dp, dev->dev_addr); 9266e689cf4aSJeff Kirsher return -EINVAL; 9267e689cf4aSJeff Kirsher } 9268e689cf4aSJeff Kirsher 9269451395f7SMartin Kaiser model = of_get_property(dp, "model", NULL); 9270e689cf4aSJeff Kirsher 9271e689cf4aSJeff Kirsher if (model) 9272e689cf4aSJeff Kirsher strcpy(np->vpd.model, model); 9273e689cf4aSJeff Kirsher 9274451395f7SMartin Kaiser if (of_find_property(dp, "hot-swappable-phy", NULL)) { 9275e689cf4aSJeff Kirsher np->flags |= (NIU_FLAGS_10G | NIU_FLAGS_FIBER | 9276e689cf4aSJeff Kirsher NIU_FLAGS_HOTPLUG_PHY); 9277e689cf4aSJeff Kirsher } 9278e689cf4aSJeff Kirsher 9279e689cf4aSJeff Kirsher return 0; 9280e689cf4aSJeff Kirsher #else 9281e689cf4aSJeff Kirsher return -EINVAL; 9282e689cf4aSJeff Kirsher #endif 9283e689cf4aSJeff Kirsher } 9284e689cf4aSJeff Kirsher 9285f73d12bdSBill Pemberton static int niu_get_invariants(struct niu *np) 9286e689cf4aSJeff Kirsher { 9287e689cf4aSJeff Kirsher int err, have_props; 9288e689cf4aSJeff Kirsher u32 offset; 9289e689cf4aSJeff Kirsher 9290e689cf4aSJeff Kirsher err = niu_get_of_props(np); 9291e689cf4aSJeff Kirsher if (err == -ENODEV) 9292e689cf4aSJeff Kirsher return err; 9293e689cf4aSJeff Kirsher 9294e689cf4aSJeff Kirsher have_props = !err; 9295e689cf4aSJeff Kirsher 9296e689cf4aSJeff Kirsher err = niu_init_mac_ipp_pcs_base(np); 9297e689cf4aSJeff Kirsher if (err) 9298e689cf4aSJeff Kirsher return err; 9299e689cf4aSJeff Kirsher 9300e689cf4aSJeff Kirsher if (have_props) { 9301e689cf4aSJeff Kirsher err = niu_get_and_validate_port(np); 9302e689cf4aSJeff Kirsher if (err) 9303e689cf4aSJeff Kirsher return err; 9304e689cf4aSJeff Kirsher 9305e689cf4aSJeff Kirsher } else { 9306e689cf4aSJeff Kirsher if (np->parent->plat_type == PLAT_TYPE_NIU) 9307e689cf4aSJeff Kirsher return -EINVAL; 9308e689cf4aSJeff Kirsher 9309e689cf4aSJeff Kirsher nw64(ESPC_PIO_EN, ESPC_PIO_EN_ENABLE); 9310e689cf4aSJeff Kirsher offset = niu_pci_vpd_offset(np); 9311e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 9312e689cf4aSJeff Kirsher "%s() VPD offset [%08x]\n", __func__, offset); 9313e6e33770SDu Cheng if (offset) { 9314e6e33770SDu Cheng err = niu_pci_vpd_fetch(np, offset); 9315e6e33770SDu Cheng if (err < 0) 9316e6e33770SDu Cheng return err; 9317e6e33770SDu Cheng } 9318e689cf4aSJeff Kirsher nw64(ESPC_PIO_EN, 0); 9319e689cf4aSJeff Kirsher 9320e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_VPD_VALID) { 9321e689cf4aSJeff Kirsher niu_pci_vpd_validate(np); 9322e689cf4aSJeff Kirsher err = niu_get_and_validate_port(np); 9323e689cf4aSJeff Kirsher if (err) 9324e689cf4aSJeff Kirsher return err; 9325e689cf4aSJeff Kirsher } 9326e689cf4aSJeff Kirsher 9327e689cf4aSJeff Kirsher if (!(np->flags & NIU_FLAGS_VPD_VALID)) { 9328e689cf4aSJeff Kirsher err = niu_get_and_validate_port(np); 9329e689cf4aSJeff Kirsher if (err) 9330e689cf4aSJeff Kirsher return err; 9331e689cf4aSJeff Kirsher err = niu_pci_probe_sprom(np); 9332e689cf4aSJeff Kirsher if (err) 9333e689cf4aSJeff Kirsher return err; 9334e689cf4aSJeff Kirsher } 9335e689cf4aSJeff Kirsher } 9336e689cf4aSJeff Kirsher 9337e689cf4aSJeff Kirsher err = niu_probe_ports(np); 9338e689cf4aSJeff Kirsher if (err) 9339e689cf4aSJeff Kirsher return err; 9340e689cf4aSJeff Kirsher 9341e689cf4aSJeff Kirsher niu_ldg_init(np); 9342e689cf4aSJeff Kirsher 9343e689cf4aSJeff Kirsher niu_classifier_swstate_init(np); 9344e689cf4aSJeff Kirsher niu_link_config_init(np); 9345e689cf4aSJeff Kirsher 9346e689cf4aSJeff Kirsher err = niu_determine_phy_disposition(np); 9347e689cf4aSJeff Kirsher if (!err) 9348e689cf4aSJeff Kirsher err = niu_init_link(np); 9349e689cf4aSJeff Kirsher 9350e689cf4aSJeff Kirsher return err; 9351e689cf4aSJeff Kirsher } 9352e689cf4aSJeff Kirsher 9353e689cf4aSJeff Kirsher static LIST_HEAD(niu_parent_list); 9354e689cf4aSJeff Kirsher static DEFINE_MUTEX(niu_parent_lock); 9355e689cf4aSJeff Kirsher static int niu_parent_index; 9356e689cf4aSJeff Kirsher 9357e689cf4aSJeff Kirsher static ssize_t show_port_phy(struct device *dev, 9358e689cf4aSJeff Kirsher struct device_attribute *attr, char *buf) 9359e689cf4aSJeff Kirsher { 9360e689cf4aSJeff Kirsher struct platform_device *plat_dev = to_platform_device(dev); 9361df3f1c39SJingoo Han struct niu_parent *p = dev_get_platdata(&plat_dev->dev); 9362e689cf4aSJeff Kirsher u32 port_phy = p->port_phy; 9363e689cf4aSJeff Kirsher char *orig_buf = buf; 9364e689cf4aSJeff Kirsher int i; 9365e689cf4aSJeff Kirsher 9366e689cf4aSJeff Kirsher if (port_phy == PORT_PHY_UNKNOWN || 9367e689cf4aSJeff Kirsher port_phy == PORT_PHY_INVALID) 9368e689cf4aSJeff Kirsher return 0; 9369e689cf4aSJeff Kirsher 9370e689cf4aSJeff Kirsher for (i = 0; i < p->num_ports; i++) { 9371e689cf4aSJeff Kirsher const char *type_str; 9372e689cf4aSJeff Kirsher int type; 9373e689cf4aSJeff Kirsher 9374e689cf4aSJeff Kirsher type = phy_decode(port_phy, i); 9375e689cf4aSJeff Kirsher if (type == PORT_TYPE_10G) 9376e689cf4aSJeff Kirsher type_str = "10G"; 9377e689cf4aSJeff Kirsher else 9378e689cf4aSJeff Kirsher type_str = "1G"; 9379e689cf4aSJeff Kirsher buf += sprintf(buf, 9380e689cf4aSJeff Kirsher (i == 0) ? "%s" : " %s", 9381e689cf4aSJeff Kirsher type_str); 9382e689cf4aSJeff Kirsher } 9383e689cf4aSJeff Kirsher buf += sprintf(buf, "\n"); 9384e689cf4aSJeff Kirsher return buf - orig_buf; 9385e689cf4aSJeff Kirsher } 9386e689cf4aSJeff Kirsher 9387e689cf4aSJeff Kirsher static ssize_t show_plat_type(struct device *dev, 9388e689cf4aSJeff Kirsher struct device_attribute *attr, char *buf) 9389e689cf4aSJeff Kirsher { 9390e689cf4aSJeff Kirsher struct platform_device *plat_dev = to_platform_device(dev); 9391df3f1c39SJingoo Han struct niu_parent *p = dev_get_platdata(&plat_dev->dev); 9392e689cf4aSJeff Kirsher const char *type_str; 9393e689cf4aSJeff Kirsher 9394e689cf4aSJeff Kirsher switch (p->plat_type) { 9395e689cf4aSJeff Kirsher case PLAT_TYPE_ATLAS: 9396e689cf4aSJeff Kirsher type_str = "atlas"; 9397e689cf4aSJeff Kirsher break; 9398e689cf4aSJeff Kirsher case PLAT_TYPE_NIU: 9399e689cf4aSJeff Kirsher type_str = "niu"; 9400e689cf4aSJeff Kirsher break; 9401e689cf4aSJeff Kirsher case PLAT_TYPE_VF_P0: 9402e689cf4aSJeff Kirsher type_str = "vf_p0"; 9403e689cf4aSJeff Kirsher break; 9404e689cf4aSJeff Kirsher case PLAT_TYPE_VF_P1: 9405e689cf4aSJeff Kirsher type_str = "vf_p1"; 9406e689cf4aSJeff Kirsher break; 9407e689cf4aSJeff Kirsher default: 9408e689cf4aSJeff Kirsher type_str = "unknown"; 9409e689cf4aSJeff Kirsher break; 9410e689cf4aSJeff Kirsher } 9411e689cf4aSJeff Kirsher 9412e689cf4aSJeff Kirsher return sprintf(buf, "%s\n", type_str); 9413e689cf4aSJeff Kirsher } 9414e689cf4aSJeff Kirsher 9415e689cf4aSJeff Kirsher static ssize_t __show_chan_per_port(struct device *dev, 9416e689cf4aSJeff Kirsher struct device_attribute *attr, char *buf, 9417e689cf4aSJeff Kirsher int rx) 9418e689cf4aSJeff Kirsher { 9419e689cf4aSJeff Kirsher struct platform_device *plat_dev = to_platform_device(dev); 9420df3f1c39SJingoo Han struct niu_parent *p = dev_get_platdata(&plat_dev->dev); 9421e689cf4aSJeff Kirsher char *orig_buf = buf; 9422e689cf4aSJeff Kirsher u8 *arr; 9423e689cf4aSJeff Kirsher int i; 9424e689cf4aSJeff Kirsher 9425e689cf4aSJeff Kirsher arr = (rx ? p->rxchan_per_port : p->txchan_per_port); 9426e689cf4aSJeff Kirsher 9427e689cf4aSJeff Kirsher for (i = 0; i < p->num_ports; i++) { 9428e689cf4aSJeff Kirsher buf += sprintf(buf, 9429e689cf4aSJeff Kirsher (i == 0) ? "%d" : " %d", 9430e689cf4aSJeff Kirsher arr[i]); 9431e689cf4aSJeff Kirsher } 9432e689cf4aSJeff Kirsher buf += sprintf(buf, "\n"); 9433e689cf4aSJeff Kirsher 9434e689cf4aSJeff Kirsher return buf - orig_buf; 9435e689cf4aSJeff Kirsher } 9436e689cf4aSJeff Kirsher 9437e689cf4aSJeff Kirsher static ssize_t show_rxchan_per_port(struct device *dev, 9438e689cf4aSJeff Kirsher struct device_attribute *attr, char *buf) 9439e689cf4aSJeff Kirsher { 9440e689cf4aSJeff Kirsher return __show_chan_per_port(dev, attr, buf, 1); 9441e689cf4aSJeff Kirsher } 9442e689cf4aSJeff Kirsher 9443e689cf4aSJeff Kirsher static ssize_t show_txchan_per_port(struct device *dev, 9444e689cf4aSJeff Kirsher struct device_attribute *attr, char *buf) 9445e689cf4aSJeff Kirsher { 9446e689cf4aSJeff Kirsher return __show_chan_per_port(dev, attr, buf, 1); 9447e689cf4aSJeff Kirsher } 9448e689cf4aSJeff Kirsher 9449e689cf4aSJeff Kirsher static ssize_t show_num_ports(struct device *dev, 9450e689cf4aSJeff Kirsher struct device_attribute *attr, char *buf) 9451e689cf4aSJeff Kirsher { 9452e689cf4aSJeff Kirsher struct platform_device *plat_dev = to_platform_device(dev); 9453df3f1c39SJingoo Han struct niu_parent *p = dev_get_platdata(&plat_dev->dev); 9454e689cf4aSJeff Kirsher 9455e689cf4aSJeff Kirsher return sprintf(buf, "%d\n", p->num_ports); 9456e689cf4aSJeff Kirsher } 9457e689cf4aSJeff Kirsher 9458e689cf4aSJeff Kirsher static struct device_attribute niu_parent_attributes[] = { 9459d3757ba4SJoe Perches __ATTR(port_phy, 0444, show_port_phy, NULL), 9460d3757ba4SJoe Perches __ATTR(plat_type, 0444, show_plat_type, NULL), 9461d3757ba4SJoe Perches __ATTR(rxchan_per_port, 0444, show_rxchan_per_port, NULL), 9462d3757ba4SJoe Perches __ATTR(txchan_per_port, 0444, show_txchan_per_port, NULL), 9463d3757ba4SJoe Perches __ATTR(num_ports, 0444, show_num_ports, NULL), 9464e689cf4aSJeff Kirsher {} 9465e689cf4aSJeff Kirsher }; 9466e689cf4aSJeff Kirsher 9467f73d12bdSBill Pemberton static struct niu_parent *niu_new_parent(struct niu *np, 94681dd06ae8SGreg Kroah-Hartman union niu_parent_id *id, u8 ptype) 9469e689cf4aSJeff Kirsher { 9470e689cf4aSJeff Kirsher struct platform_device *plat_dev; 9471e689cf4aSJeff Kirsher struct niu_parent *p; 9472e689cf4aSJeff Kirsher int i; 9473e689cf4aSJeff Kirsher 9474e689cf4aSJeff Kirsher plat_dev = platform_device_register_simple("niu-board", niu_parent_index, 9475e689cf4aSJeff Kirsher NULL, 0); 9476e689cf4aSJeff Kirsher if (IS_ERR(plat_dev)) 9477e689cf4aSJeff Kirsher return NULL; 9478e689cf4aSJeff Kirsher 94793e1026b3SGreg Kroah-Hartman for (i = 0; niu_parent_attributes[i].attr.name; i++) { 9480e689cf4aSJeff Kirsher int err = device_create_file(&plat_dev->dev, 9481e689cf4aSJeff Kirsher &niu_parent_attributes[i]); 9482e689cf4aSJeff Kirsher if (err) 9483e689cf4aSJeff Kirsher goto fail_unregister; 9484e689cf4aSJeff Kirsher } 9485e689cf4aSJeff Kirsher 9486e689cf4aSJeff Kirsher p = kzalloc(sizeof(*p), GFP_KERNEL); 9487e689cf4aSJeff Kirsher if (!p) 9488e689cf4aSJeff Kirsher goto fail_unregister; 9489e689cf4aSJeff Kirsher 9490e689cf4aSJeff Kirsher p->index = niu_parent_index++; 9491e689cf4aSJeff Kirsher 9492e689cf4aSJeff Kirsher plat_dev->dev.platform_data = p; 9493e689cf4aSJeff Kirsher p->plat_dev = plat_dev; 9494e689cf4aSJeff Kirsher 9495e689cf4aSJeff Kirsher memcpy(&p->id, id, sizeof(*id)); 9496e689cf4aSJeff Kirsher p->plat_type = ptype; 9497e689cf4aSJeff Kirsher INIT_LIST_HEAD(&p->list); 9498e689cf4aSJeff Kirsher atomic_set(&p->refcnt, 0); 9499e689cf4aSJeff Kirsher list_add(&p->list, &niu_parent_list); 9500e689cf4aSJeff Kirsher spin_lock_init(&p->lock); 9501e689cf4aSJeff Kirsher 9502e689cf4aSJeff Kirsher p->rxdma_clock_divider = 7500; 9503e689cf4aSJeff Kirsher 9504e689cf4aSJeff Kirsher p->tcam_num_entries = NIU_PCI_TCAM_ENTRIES; 9505e689cf4aSJeff Kirsher if (p->plat_type == PLAT_TYPE_NIU) 9506e689cf4aSJeff Kirsher p->tcam_num_entries = NIU_NONPCI_TCAM_ENTRIES; 9507e689cf4aSJeff Kirsher 9508e689cf4aSJeff Kirsher for (i = CLASS_CODE_USER_PROG1; i <= CLASS_CODE_SCTP_IPV6; i++) { 9509e689cf4aSJeff Kirsher int index = i - CLASS_CODE_USER_PROG1; 9510e689cf4aSJeff Kirsher 9511e689cf4aSJeff Kirsher p->tcam_key[index] = TCAM_KEY_TSEL; 9512e689cf4aSJeff Kirsher p->flow_key[index] = (FLOW_KEY_IPSA | 9513e689cf4aSJeff Kirsher FLOW_KEY_IPDA | 9514e689cf4aSJeff Kirsher FLOW_KEY_PROTO | 9515e689cf4aSJeff Kirsher (FLOW_KEY_L4_BYTE12 << 9516e689cf4aSJeff Kirsher FLOW_KEY_L4_0_SHIFT) | 9517e689cf4aSJeff Kirsher (FLOW_KEY_L4_BYTE12 << 9518e689cf4aSJeff Kirsher FLOW_KEY_L4_1_SHIFT)); 9519e689cf4aSJeff Kirsher } 9520e689cf4aSJeff Kirsher 9521e689cf4aSJeff Kirsher for (i = 0; i < LDN_MAX + 1; i++) 9522e689cf4aSJeff Kirsher p->ldg_map[i] = LDG_INVALID; 9523e689cf4aSJeff Kirsher 9524e689cf4aSJeff Kirsher return p; 9525e689cf4aSJeff Kirsher 9526e689cf4aSJeff Kirsher fail_unregister: 9527e689cf4aSJeff Kirsher platform_device_unregister(plat_dev); 9528e689cf4aSJeff Kirsher return NULL; 9529e689cf4aSJeff Kirsher } 9530e689cf4aSJeff Kirsher 9531f73d12bdSBill Pemberton static struct niu_parent *niu_get_parent(struct niu *np, 95321dd06ae8SGreg Kroah-Hartman union niu_parent_id *id, u8 ptype) 9533e689cf4aSJeff Kirsher { 9534e689cf4aSJeff Kirsher struct niu_parent *p, *tmp; 9535e689cf4aSJeff Kirsher int port = np->port; 9536e689cf4aSJeff Kirsher 9537e689cf4aSJeff Kirsher mutex_lock(&niu_parent_lock); 9538e689cf4aSJeff Kirsher p = NULL; 9539e689cf4aSJeff Kirsher list_for_each_entry(tmp, &niu_parent_list, list) { 9540e689cf4aSJeff Kirsher if (!memcmp(id, &tmp->id, sizeof(*id))) { 9541e689cf4aSJeff Kirsher p = tmp; 9542e689cf4aSJeff Kirsher break; 9543e689cf4aSJeff Kirsher } 9544e689cf4aSJeff Kirsher } 9545e689cf4aSJeff Kirsher if (!p) 9546e689cf4aSJeff Kirsher p = niu_new_parent(np, id, ptype); 9547e689cf4aSJeff Kirsher 9548e689cf4aSJeff Kirsher if (p) { 954973066f6cSArnd Bergmann char port_name[8]; 9550e689cf4aSJeff Kirsher int err; 9551e689cf4aSJeff Kirsher 9552e689cf4aSJeff Kirsher sprintf(port_name, "port%d", port); 9553e689cf4aSJeff Kirsher err = sysfs_create_link(&p->plat_dev->dev.kobj, 9554e689cf4aSJeff Kirsher &np->device->kobj, 9555e689cf4aSJeff Kirsher port_name); 9556e689cf4aSJeff Kirsher if (!err) { 9557e689cf4aSJeff Kirsher p->ports[port] = np; 9558e689cf4aSJeff Kirsher atomic_inc(&p->refcnt); 9559e689cf4aSJeff Kirsher } 9560e689cf4aSJeff Kirsher } 9561e689cf4aSJeff Kirsher mutex_unlock(&niu_parent_lock); 9562e689cf4aSJeff Kirsher 9563e689cf4aSJeff Kirsher return p; 9564e689cf4aSJeff Kirsher } 9565e689cf4aSJeff Kirsher 9566e689cf4aSJeff Kirsher static void niu_put_parent(struct niu *np) 9567e689cf4aSJeff Kirsher { 9568e689cf4aSJeff Kirsher struct niu_parent *p = np->parent; 9569e689cf4aSJeff Kirsher u8 port = np->port; 957073066f6cSArnd Bergmann char port_name[8]; 9571e689cf4aSJeff Kirsher 9572e689cf4aSJeff Kirsher BUG_ON(!p || p->ports[port] != np); 9573e689cf4aSJeff Kirsher 9574e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 9575e689cf4aSJeff Kirsher "%s() port[%u]\n", __func__, port); 9576e689cf4aSJeff Kirsher 9577e689cf4aSJeff Kirsher sprintf(port_name, "port%d", port); 9578e689cf4aSJeff Kirsher 9579e689cf4aSJeff Kirsher mutex_lock(&niu_parent_lock); 9580e689cf4aSJeff Kirsher 9581e689cf4aSJeff Kirsher sysfs_remove_link(&p->plat_dev->dev.kobj, port_name); 9582e689cf4aSJeff Kirsher 9583e689cf4aSJeff Kirsher p->ports[port] = NULL; 9584e689cf4aSJeff Kirsher np->parent = NULL; 9585e689cf4aSJeff Kirsher 9586e689cf4aSJeff Kirsher if (atomic_dec_and_test(&p->refcnt)) { 9587e689cf4aSJeff Kirsher list_del(&p->list); 9588e689cf4aSJeff Kirsher platform_device_unregister(p->plat_dev); 9589e689cf4aSJeff Kirsher } 9590e689cf4aSJeff Kirsher 9591e689cf4aSJeff Kirsher mutex_unlock(&niu_parent_lock); 9592e689cf4aSJeff Kirsher } 9593e689cf4aSJeff Kirsher 9594e689cf4aSJeff Kirsher static void *niu_pci_alloc_coherent(struct device *dev, size_t size, 9595e689cf4aSJeff Kirsher u64 *handle, gfp_t flag) 9596e689cf4aSJeff Kirsher { 9597e689cf4aSJeff Kirsher dma_addr_t dh; 9598e689cf4aSJeff Kirsher void *ret; 9599e689cf4aSJeff Kirsher 9600e689cf4aSJeff Kirsher ret = dma_alloc_coherent(dev, size, &dh, flag); 9601e689cf4aSJeff Kirsher if (ret) 9602e689cf4aSJeff Kirsher *handle = dh; 9603e689cf4aSJeff Kirsher return ret; 9604e689cf4aSJeff Kirsher } 9605e689cf4aSJeff Kirsher 9606e689cf4aSJeff Kirsher static void niu_pci_free_coherent(struct device *dev, size_t size, 9607e689cf4aSJeff Kirsher void *cpu_addr, u64 handle) 9608e689cf4aSJeff Kirsher { 9609e689cf4aSJeff Kirsher dma_free_coherent(dev, size, cpu_addr, handle); 9610e689cf4aSJeff Kirsher } 9611e689cf4aSJeff Kirsher 9612e689cf4aSJeff Kirsher static u64 niu_pci_map_page(struct device *dev, struct page *page, 9613e689cf4aSJeff Kirsher unsigned long offset, size_t size, 9614e689cf4aSJeff Kirsher enum dma_data_direction direction) 9615e689cf4aSJeff Kirsher { 9616e689cf4aSJeff Kirsher return dma_map_page(dev, page, offset, size, direction); 9617e689cf4aSJeff Kirsher } 9618e689cf4aSJeff Kirsher 9619e689cf4aSJeff Kirsher static void niu_pci_unmap_page(struct device *dev, u64 dma_address, 9620e689cf4aSJeff Kirsher size_t size, enum dma_data_direction direction) 9621e689cf4aSJeff Kirsher { 9622e689cf4aSJeff Kirsher dma_unmap_page(dev, dma_address, size, direction); 9623e689cf4aSJeff Kirsher } 9624e689cf4aSJeff Kirsher 9625e689cf4aSJeff Kirsher static u64 niu_pci_map_single(struct device *dev, void *cpu_addr, 9626e689cf4aSJeff Kirsher size_t size, 9627e689cf4aSJeff Kirsher enum dma_data_direction direction) 9628e689cf4aSJeff Kirsher { 9629e689cf4aSJeff Kirsher return dma_map_single(dev, cpu_addr, size, direction); 9630e689cf4aSJeff Kirsher } 9631e689cf4aSJeff Kirsher 9632e689cf4aSJeff Kirsher static void niu_pci_unmap_single(struct device *dev, u64 dma_address, 9633e689cf4aSJeff Kirsher size_t size, 9634e689cf4aSJeff Kirsher enum dma_data_direction direction) 9635e689cf4aSJeff Kirsher { 9636e689cf4aSJeff Kirsher dma_unmap_single(dev, dma_address, size, direction); 9637e689cf4aSJeff Kirsher } 9638e689cf4aSJeff Kirsher 9639e689cf4aSJeff Kirsher static const struct niu_ops niu_pci_ops = { 9640e689cf4aSJeff Kirsher .alloc_coherent = niu_pci_alloc_coherent, 9641e689cf4aSJeff Kirsher .free_coherent = niu_pci_free_coherent, 9642e689cf4aSJeff Kirsher .map_page = niu_pci_map_page, 9643e689cf4aSJeff Kirsher .unmap_page = niu_pci_unmap_page, 9644e689cf4aSJeff Kirsher .map_single = niu_pci_map_single, 9645e689cf4aSJeff Kirsher .unmap_single = niu_pci_unmap_single, 9646e689cf4aSJeff Kirsher }; 9647e689cf4aSJeff Kirsher 9648f73d12bdSBill Pemberton static void niu_driver_version(void) 9649e689cf4aSJeff Kirsher { 9650e689cf4aSJeff Kirsher static int niu_version_printed; 9651e689cf4aSJeff Kirsher 9652e689cf4aSJeff Kirsher if (niu_version_printed++ == 0) 9653e689cf4aSJeff Kirsher pr_info("%s", version); 9654e689cf4aSJeff Kirsher } 9655e689cf4aSJeff Kirsher 96561dd06ae8SGreg Kroah-Hartman static struct net_device *niu_alloc_and_init(struct device *gen_dev, 96571dd06ae8SGreg Kroah-Hartman struct pci_dev *pdev, 96581dd06ae8SGreg Kroah-Hartman struct platform_device *op, 96591dd06ae8SGreg Kroah-Hartman const struct niu_ops *ops, u8 port) 9660e689cf4aSJeff Kirsher { 9661e689cf4aSJeff Kirsher struct net_device *dev; 9662e689cf4aSJeff Kirsher struct niu *np; 9663e689cf4aSJeff Kirsher 9664e689cf4aSJeff Kirsher dev = alloc_etherdev_mq(sizeof(struct niu), NIU_NUM_TXCHAN); 966541de8d4cSJoe Perches if (!dev) 9666e689cf4aSJeff Kirsher return NULL; 9667e689cf4aSJeff Kirsher 9668e689cf4aSJeff Kirsher SET_NETDEV_DEV(dev, gen_dev); 9669e689cf4aSJeff Kirsher 9670e689cf4aSJeff Kirsher np = netdev_priv(dev); 9671e689cf4aSJeff Kirsher np->dev = dev; 9672e689cf4aSJeff Kirsher np->pdev = pdev; 9673e689cf4aSJeff Kirsher np->op = op; 9674e689cf4aSJeff Kirsher np->device = gen_dev; 9675e689cf4aSJeff Kirsher np->ops = ops; 9676e689cf4aSJeff Kirsher 9677e689cf4aSJeff Kirsher np->msg_enable = niu_debug; 9678e689cf4aSJeff Kirsher 9679e689cf4aSJeff Kirsher spin_lock_init(&np->lock); 9680e689cf4aSJeff Kirsher INIT_WORK(&np->reset_task, niu_reset_task); 9681e689cf4aSJeff Kirsher 9682e689cf4aSJeff Kirsher np->port = port; 9683e689cf4aSJeff Kirsher 9684e689cf4aSJeff Kirsher return dev; 9685e689cf4aSJeff Kirsher } 9686e689cf4aSJeff Kirsher 9687e689cf4aSJeff Kirsher static const struct net_device_ops niu_netdev_ops = { 9688e689cf4aSJeff Kirsher .ndo_open = niu_open, 9689e689cf4aSJeff Kirsher .ndo_stop = niu_close, 9690e689cf4aSJeff Kirsher .ndo_start_xmit = niu_start_xmit, 9691e689cf4aSJeff Kirsher .ndo_get_stats64 = niu_get_stats, 969201789349SJiri Pirko .ndo_set_rx_mode = niu_set_rx_mode, 9693e689cf4aSJeff Kirsher .ndo_validate_addr = eth_validate_addr, 9694e689cf4aSJeff Kirsher .ndo_set_mac_address = niu_set_mac_addr, 9695a7605370SArnd Bergmann .ndo_eth_ioctl = niu_ioctl, 9696e689cf4aSJeff Kirsher .ndo_tx_timeout = niu_tx_timeout, 9697e689cf4aSJeff Kirsher .ndo_change_mtu = niu_change_mtu, 9698e689cf4aSJeff Kirsher }; 9699e689cf4aSJeff Kirsher 9700f73d12bdSBill Pemberton static void niu_assign_netdev_ops(struct net_device *dev) 9701e689cf4aSJeff Kirsher { 9702e689cf4aSJeff Kirsher dev->netdev_ops = &niu_netdev_ops; 9703e689cf4aSJeff Kirsher dev->ethtool_ops = &niu_ethtool_ops; 9704e689cf4aSJeff Kirsher dev->watchdog_timeo = NIU_TX_TIMEOUT; 9705e689cf4aSJeff Kirsher } 9706e689cf4aSJeff Kirsher 9707f73d12bdSBill Pemberton static void niu_device_announce(struct niu *np) 9708e689cf4aSJeff Kirsher { 9709e689cf4aSJeff Kirsher struct net_device *dev = np->dev; 9710e689cf4aSJeff Kirsher 9711e689cf4aSJeff Kirsher pr_info("%s: NIU Ethernet %pM\n", dev->name, dev->dev_addr); 9712e689cf4aSJeff Kirsher 9713e689cf4aSJeff Kirsher if (np->parent->plat_type == PLAT_TYPE_ATCA_CP3220) { 9714e689cf4aSJeff Kirsher pr_info("%s: Port type[%s] mode[%s:%s] XCVR[%s] phy[%s]\n", 9715e689cf4aSJeff Kirsher dev->name, 9716e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_XMAC ? "XMAC" : "BMAC"), 9717e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_10G ? "10G" : "1G"), 9718e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_FIBER ? "RGMII FIBER" : "SERDES"), 9719e689cf4aSJeff Kirsher (np->mac_xcvr == MAC_XCVR_MII ? "MII" : 9720e689cf4aSJeff Kirsher (np->mac_xcvr == MAC_XCVR_PCS ? "PCS" : "XPCS")), 9721e689cf4aSJeff Kirsher np->vpd.phy_type); 9722e689cf4aSJeff Kirsher } else { 9723e689cf4aSJeff Kirsher pr_info("%s: Port type[%s] mode[%s:%s] XCVR[%s] phy[%s]\n", 9724e689cf4aSJeff Kirsher dev->name, 9725e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_XMAC ? "XMAC" : "BMAC"), 9726e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_10G ? "10G" : "1G"), 9727e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_FIBER ? "FIBER" : 9728e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_XCVR_SERDES ? "SERDES" : 9729e689cf4aSJeff Kirsher "COPPER")), 9730e689cf4aSJeff Kirsher (np->mac_xcvr == MAC_XCVR_MII ? "MII" : 9731e689cf4aSJeff Kirsher (np->mac_xcvr == MAC_XCVR_PCS ? "PCS" : "XPCS")), 9732e689cf4aSJeff Kirsher np->vpd.phy_type); 9733e689cf4aSJeff Kirsher } 9734e689cf4aSJeff Kirsher } 9735e689cf4aSJeff Kirsher 9736f73d12bdSBill Pemberton static void niu_set_basic_features(struct net_device *dev) 9737e689cf4aSJeff Kirsher { 9738e689cf4aSJeff Kirsher dev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_RXHASH; 9739e689cf4aSJeff Kirsher dev->features |= dev->hw_features | NETIF_F_RXCSUM; 9740e689cf4aSJeff Kirsher } 9741e689cf4aSJeff Kirsher 9742f73d12bdSBill Pemberton static int niu_pci_init_one(struct pci_dev *pdev, 9743e689cf4aSJeff Kirsher const struct pci_device_id *ent) 9744e689cf4aSJeff Kirsher { 9745e689cf4aSJeff Kirsher union niu_parent_id parent_id; 9746e689cf4aSJeff Kirsher struct net_device *dev; 9747e689cf4aSJeff Kirsher struct niu *np; 974856cda129SJiang Liu int err; 9749e689cf4aSJeff Kirsher 9750e689cf4aSJeff Kirsher niu_driver_version(); 9751e689cf4aSJeff Kirsher 9752e689cf4aSJeff Kirsher err = pci_enable_device(pdev); 9753e689cf4aSJeff Kirsher if (err) { 9754e689cf4aSJeff Kirsher dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); 9755e689cf4aSJeff Kirsher return err; 9756e689cf4aSJeff Kirsher } 9757e689cf4aSJeff Kirsher 9758e689cf4aSJeff Kirsher if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || 9759e689cf4aSJeff Kirsher !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { 9760e689cf4aSJeff Kirsher dev_err(&pdev->dev, "Cannot find proper PCI device base addresses, aborting\n"); 9761e689cf4aSJeff Kirsher err = -ENODEV; 9762e689cf4aSJeff Kirsher goto err_out_disable_pdev; 9763e689cf4aSJeff Kirsher } 9764e689cf4aSJeff Kirsher 9765e689cf4aSJeff Kirsher err = pci_request_regions(pdev, DRV_MODULE_NAME); 9766e689cf4aSJeff Kirsher if (err) { 9767e689cf4aSJeff Kirsher dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n"); 9768e689cf4aSJeff Kirsher goto err_out_disable_pdev; 9769e689cf4aSJeff Kirsher } 9770e689cf4aSJeff Kirsher 977156cda129SJiang Liu if (!pci_is_pcie(pdev)) { 9772e689cf4aSJeff Kirsher dev_err(&pdev->dev, "Cannot find PCI Express capability, aborting\n"); 97738c65ef4bSPeter Senna Tschudin err = -ENODEV; 9774e689cf4aSJeff Kirsher goto err_out_free_res; 9775e689cf4aSJeff Kirsher } 9776e689cf4aSJeff Kirsher 9777e689cf4aSJeff Kirsher dev = niu_alloc_and_init(&pdev->dev, pdev, NULL, 9778e689cf4aSJeff Kirsher &niu_pci_ops, PCI_FUNC(pdev->devfn)); 9779e689cf4aSJeff Kirsher if (!dev) { 9780e689cf4aSJeff Kirsher err = -ENOMEM; 9781e689cf4aSJeff Kirsher goto err_out_free_res; 9782e689cf4aSJeff Kirsher } 9783e689cf4aSJeff Kirsher np = netdev_priv(dev); 9784e689cf4aSJeff Kirsher 9785e689cf4aSJeff Kirsher memset(&parent_id, 0, sizeof(parent_id)); 9786e689cf4aSJeff Kirsher parent_id.pci.domain = pci_domain_nr(pdev->bus); 9787e689cf4aSJeff Kirsher parent_id.pci.bus = pdev->bus->number; 9788e689cf4aSJeff Kirsher parent_id.pci.device = PCI_SLOT(pdev->devfn); 9789e689cf4aSJeff Kirsher 9790e689cf4aSJeff Kirsher np->parent = niu_get_parent(np, &parent_id, 9791e689cf4aSJeff Kirsher PLAT_TYPE_ATLAS); 9792e689cf4aSJeff Kirsher if (!np->parent) { 9793e689cf4aSJeff Kirsher err = -ENOMEM; 9794e689cf4aSJeff Kirsher goto err_out_free_dev; 9795e689cf4aSJeff Kirsher } 9796e689cf4aSJeff Kirsher 979756cda129SJiang Liu pcie_capability_clear_and_set_word(pdev, PCI_EXP_DEVCTL, 979856cda129SJiang Liu PCI_EXP_DEVCTL_NOSNOOP_EN, 979956cda129SJiang Liu PCI_EXP_DEVCTL_CERE | PCI_EXP_DEVCTL_NFERE | 980056cda129SJiang Liu PCI_EXP_DEVCTL_FERE | PCI_EXP_DEVCTL_URRE | 9801e689cf4aSJeff Kirsher PCI_EXP_DEVCTL_RELAX_EN); 9802e689cf4aSJeff Kirsher 98039b0df250SChristophe JAILLET err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44)); 98049b0df250SChristophe JAILLET if (!err) 9805e689cf4aSJeff Kirsher dev->features |= NETIF_F_HIGHDMA; 9806e689cf4aSJeff Kirsher if (err) { 98079b0df250SChristophe JAILLET err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); 9808e689cf4aSJeff Kirsher if (err) { 9809e689cf4aSJeff Kirsher dev_err(&pdev->dev, "No usable DMA configuration, aborting\n"); 9810e689cf4aSJeff Kirsher goto err_out_release_parent; 9811e689cf4aSJeff Kirsher } 9812e689cf4aSJeff Kirsher } 9813e689cf4aSJeff Kirsher 9814e689cf4aSJeff Kirsher niu_set_basic_features(dev); 9815e689cf4aSJeff Kirsher 981601789349SJiri Pirko dev->priv_flags |= IFF_UNICAST_FLT; 981701789349SJiri Pirko 9818e689cf4aSJeff Kirsher np->regs = pci_ioremap_bar(pdev, 0); 9819e689cf4aSJeff Kirsher if (!np->regs) { 9820e689cf4aSJeff Kirsher dev_err(&pdev->dev, "Cannot map device registers, aborting\n"); 9821e689cf4aSJeff Kirsher err = -ENOMEM; 9822e689cf4aSJeff Kirsher goto err_out_release_parent; 9823e689cf4aSJeff Kirsher } 9824e689cf4aSJeff Kirsher 9825e689cf4aSJeff Kirsher pci_set_master(pdev); 9826e689cf4aSJeff Kirsher pci_save_state(pdev); 9827e689cf4aSJeff Kirsher 9828e689cf4aSJeff Kirsher dev->irq = pdev->irq; 9829e689cf4aSJeff Kirsher 9830540bfe30SJarod Wilson /* MTU range: 68 - 9216 */ 9831540bfe30SJarod Wilson dev->min_mtu = ETH_MIN_MTU; 9832540bfe30SJarod Wilson dev->max_mtu = NIU_MAX_MTU; 9833540bfe30SJarod Wilson 9834e689cf4aSJeff Kirsher niu_assign_netdev_ops(dev); 9835e689cf4aSJeff Kirsher 9836e689cf4aSJeff Kirsher err = niu_get_invariants(np); 9837e689cf4aSJeff Kirsher if (err) { 9838e689cf4aSJeff Kirsher if (err != -ENODEV) 9839e689cf4aSJeff Kirsher dev_err(&pdev->dev, "Problem fetching invariants of chip, aborting\n"); 9840e689cf4aSJeff Kirsher goto err_out_iounmap; 9841e689cf4aSJeff Kirsher } 9842e689cf4aSJeff Kirsher 9843e689cf4aSJeff Kirsher err = register_netdev(dev); 9844e689cf4aSJeff Kirsher if (err) { 9845e689cf4aSJeff Kirsher dev_err(&pdev->dev, "Cannot register net device, aborting\n"); 9846e689cf4aSJeff Kirsher goto err_out_iounmap; 9847e689cf4aSJeff Kirsher } 9848e689cf4aSJeff Kirsher 9849e689cf4aSJeff Kirsher pci_set_drvdata(pdev, dev); 9850e689cf4aSJeff Kirsher 9851e689cf4aSJeff Kirsher niu_device_announce(np); 9852e689cf4aSJeff Kirsher 9853e689cf4aSJeff Kirsher return 0; 9854e689cf4aSJeff Kirsher 9855e689cf4aSJeff Kirsher err_out_iounmap: 9856e689cf4aSJeff Kirsher if (np->regs) { 9857e689cf4aSJeff Kirsher iounmap(np->regs); 9858e689cf4aSJeff Kirsher np->regs = NULL; 9859e689cf4aSJeff Kirsher } 9860e689cf4aSJeff Kirsher 9861e689cf4aSJeff Kirsher err_out_release_parent: 9862e689cf4aSJeff Kirsher niu_put_parent(np); 9863e689cf4aSJeff Kirsher 9864e689cf4aSJeff Kirsher err_out_free_dev: 9865e689cf4aSJeff Kirsher free_netdev(dev); 9866e689cf4aSJeff Kirsher 9867e689cf4aSJeff Kirsher err_out_free_res: 9868e689cf4aSJeff Kirsher pci_release_regions(pdev); 9869e689cf4aSJeff Kirsher 9870e689cf4aSJeff Kirsher err_out_disable_pdev: 9871e689cf4aSJeff Kirsher pci_disable_device(pdev); 9872e689cf4aSJeff Kirsher 9873e689cf4aSJeff Kirsher return err; 9874e689cf4aSJeff Kirsher } 9875e689cf4aSJeff Kirsher 9876f73d12bdSBill Pemberton static void niu_pci_remove_one(struct pci_dev *pdev) 9877e689cf4aSJeff Kirsher { 9878e689cf4aSJeff Kirsher struct net_device *dev = pci_get_drvdata(pdev); 9879e689cf4aSJeff Kirsher 9880e689cf4aSJeff Kirsher if (dev) { 9881e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 9882e689cf4aSJeff Kirsher 9883e689cf4aSJeff Kirsher unregister_netdev(dev); 9884e689cf4aSJeff Kirsher if (np->regs) { 9885e689cf4aSJeff Kirsher iounmap(np->regs); 9886e689cf4aSJeff Kirsher np->regs = NULL; 9887e689cf4aSJeff Kirsher } 9888e689cf4aSJeff Kirsher 9889e689cf4aSJeff Kirsher niu_ldg_free(np); 9890e689cf4aSJeff Kirsher 9891e689cf4aSJeff Kirsher niu_put_parent(np); 9892e689cf4aSJeff Kirsher 9893e689cf4aSJeff Kirsher free_netdev(dev); 9894e689cf4aSJeff Kirsher pci_release_regions(pdev); 9895e689cf4aSJeff Kirsher pci_disable_device(pdev); 9896e689cf4aSJeff Kirsher } 9897e689cf4aSJeff Kirsher } 9898e689cf4aSJeff Kirsher 989986fc3f70SVaibhav Gupta static int __maybe_unused niu_suspend(struct device *dev_d) 9900e689cf4aSJeff Kirsher { 9901b0db0cc2SVaibhav Gupta struct net_device *dev = dev_get_drvdata(dev_d); 9902e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 9903e689cf4aSJeff Kirsher unsigned long flags; 9904e689cf4aSJeff Kirsher 9905e689cf4aSJeff Kirsher if (!netif_running(dev)) 9906e689cf4aSJeff Kirsher return 0; 9907e689cf4aSJeff Kirsher 990843829731STejun Heo flush_work(&np->reset_task); 9909e689cf4aSJeff Kirsher niu_netif_stop(np); 9910e689cf4aSJeff Kirsher 9911e689cf4aSJeff Kirsher del_timer_sync(&np->timer); 9912e689cf4aSJeff Kirsher 9913e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 9914e689cf4aSJeff Kirsher niu_enable_interrupts(np, 0); 9915e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 9916e689cf4aSJeff Kirsher 9917e689cf4aSJeff Kirsher netif_device_detach(dev); 9918e689cf4aSJeff Kirsher 9919e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 9920e689cf4aSJeff Kirsher niu_stop_hw(np); 9921e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 9922e689cf4aSJeff Kirsher 9923e689cf4aSJeff Kirsher return 0; 9924e689cf4aSJeff Kirsher } 9925e689cf4aSJeff Kirsher 992686fc3f70SVaibhav Gupta static int __maybe_unused niu_resume(struct device *dev_d) 9927e689cf4aSJeff Kirsher { 9928b0db0cc2SVaibhav Gupta struct net_device *dev = dev_get_drvdata(dev_d); 9929e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 9930e689cf4aSJeff Kirsher unsigned long flags; 9931e689cf4aSJeff Kirsher int err; 9932e689cf4aSJeff Kirsher 9933e689cf4aSJeff Kirsher if (!netif_running(dev)) 9934e689cf4aSJeff Kirsher return 0; 9935e689cf4aSJeff Kirsher 9936e689cf4aSJeff Kirsher netif_device_attach(dev); 9937e689cf4aSJeff Kirsher 9938e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 9939e689cf4aSJeff Kirsher 9940e689cf4aSJeff Kirsher err = niu_init_hw(np); 9941e689cf4aSJeff Kirsher if (!err) { 9942e689cf4aSJeff Kirsher np->timer.expires = jiffies + HZ; 9943e689cf4aSJeff Kirsher add_timer(&np->timer); 9944e689cf4aSJeff Kirsher niu_netif_start(np); 9945e689cf4aSJeff Kirsher } 9946e689cf4aSJeff Kirsher 9947e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 9948e689cf4aSJeff Kirsher 9949e689cf4aSJeff Kirsher return err; 9950e689cf4aSJeff Kirsher } 9951e689cf4aSJeff Kirsher 9952b0db0cc2SVaibhav Gupta static SIMPLE_DEV_PM_OPS(niu_pm_ops, niu_suspend, niu_resume); 9953b0db0cc2SVaibhav Gupta 9954e689cf4aSJeff Kirsher static struct pci_driver niu_pci_driver = { 9955e689cf4aSJeff Kirsher .name = DRV_MODULE_NAME, 9956e689cf4aSJeff Kirsher .id_table = niu_pci_tbl, 9957e689cf4aSJeff Kirsher .probe = niu_pci_init_one, 9958f73d12bdSBill Pemberton .remove = niu_pci_remove_one, 9959b0db0cc2SVaibhav Gupta .driver.pm = &niu_pm_ops, 9960e689cf4aSJeff Kirsher }; 9961e689cf4aSJeff Kirsher 9962e689cf4aSJeff Kirsher #ifdef CONFIG_SPARC64 9963e689cf4aSJeff Kirsher static void *niu_phys_alloc_coherent(struct device *dev, size_t size, 9964e689cf4aSJeff Kirsher u64 *dma_addr, gfp_t flag) 9965e689cf4aSJeff Kirsher { 9966e689cf4aSJeff Kirsher unsigned long order = get_order(size); 9967e689cf4aSJeff Kirsher unsigned long page = __get_free_pages(flag, order); 9968e689cf4aSJeff Kirsher 9969e689cf4aSJeff Kirsher if (page == 0UL) 9970e689cf4aSJeff Kirsher return NULL; 9971e689cf4aSJeff Kirsher memset((char *)page, 0, PAGE_SIZE << order); 9972e689cf4aSJeff Kirsher *dma_addr = __pa(page); 9973e689cf4aSJeff Kirsher 9974e689cf4aSJeff Kirsher return (void *) page; 9975e689cf4aSJeff Kirsher } 9976e689cf4aSJeff Kirsher 9977e689cf4aSJeff Kirsher static void niu_phys_free_coherent(struct device *dev, size_t size, 9978e689cf4aSJeff Kirsher void *cpu_addr, u64 handle) 9979e689cf4aSJeff Kirsher { 9980e689cf4aSJeff Kirsher unsigned long order = get_order(size); 9981e689cf4aSJeff Kirsher 9982e689cf4aSJeff Kirsher free_pages((unsigned long) cpu_addr, order); 9983e689cf4aSJeff Kirsher } 9984e689cf4aSJeff Kirsher 9985e689cf4aSJeff Kirsher static u64 niu_phys_map_page(struct device *dev, struct page *page, 9986e689cf4aSJeff Kirsher unsigned long offset, size_t size, 9987e689cf4aSJeff Kirsher enum dma_data_direction direction) 9988e689cf4aSJeff Kirsher { 9989e689cf4aSJeff Kirsher return page_to_phys(page) + offset; 9990e689cf4aSJeff Kirsher } 9991e689cf4aSJeff Kirsher 9992e689cf4aSJeff Kirsher static void niu_phys_unmap_page(struct device *dev, u64 dma_address, 9993e689cf4aSJeff Kirsher size_t size, enum dma_data_direction direction) 9994e689cf4aSJeff Kirsher { 9995e689cf4aSJeff Kirsher /* Nothing to do. */ 9996e689cf4aSJeff Kirsher } 9997e689cf4aSJeff Kirsher 9998e689cf4aSJeff Kirsher static u64 niu_phys_map_single(struct device *dev, void *cpu_addr, 9999e689cf4aSJeff Kirsher size_t size, 10000e689cf4aSJeff Kirsher enum dma_data_direction direction) 10001e689cf4aSJeff Kirsher { 10002e689cf4aSJeff Kirsher return __pa(cpu_addr); 10003e689cf4aSJeff Kirsher } 10004e689cf4aSJeff Kirsher 10005e689cf4aSJeff Kirsher static void niu_phys_unmap_single(struct device *dev, u64 dma_address, 10006e689cf4aSJeff Kirsher size_t size, 10007e689cf4aSJeff Kirsher enum dma_data_direction direction) 10008e689cf4aSJeff Kirsher { 10009e689cf4aSJeff Kirsher /* Nothing to do. */ 10010e689cf4aSJeff Kirsher } 10011e689cf4aSJeff Kirsher 10012e689cf4aSJeff Kirsher static const struct niu_ops niu_phys_ops = { 10013e689cf4aSJeff Kirsher .alloc_coherent = niu_phys_alloc_coherent, 10014e689cf4aSJeff Kirsher .free_coherent = niu_phys_free_coherent, 10015e689cf4aSJeff Kirsher .map_page = niu_phys_map_page, 10016e689cf4aSJeff Kirsher .unmap_page = niu_phys_unmap_page, 10017e689cf4aSJeff Kirsher .map_single = niu_phys_map_single, 10018e689cf4aSJeff Kirsher .unmap_single = niu_phys_unmap_single, 10019e689cf4aSJeff Kirsher }; 10020e689cf4aSJeff Kirsher 10021f73d12bdSBill Pemberton static int niu_of_probe(struct platform_device *op) 10022e689cf4aSJeff Kirsher { 10023e689cf4aSJeff Kirsher union niu_parent_id parent_id; 10024e689cf4aSJeff Kirsher struct net_device *dev; 10025e689cf4aSJeff Kirsher struct niu *np; 10026e689cf4aSJeff Kirsher const u32 *reg; 10027e689cf4aSJeff Kirsher int err; 10028e689cf4aSJeff Kirsher 10029e689cf4aSJeff Kirsher niu_driver_version(); 10030e689cf4aSJeff Kirsher 10031e689cf4aSJeff Kirsher reg = of_get_property(op->dev.of_node, "reg", NULL); 10032e689cf4aSJeff Kirsher if (!reg) { 10033f7ce9103SRob Herring dev_err(&op->dev, "%pOF: No 'reg' property, aborting\n", 10034f7ce9103SRob Herring op->dev.of_node); 10035e689cf4aSJeff Kirsher return -ENODEV; 10036e689cf4aSJeff Kirsher } 10037e689cf4aSJeff Kirsher 10038e689cf4aSJeff Kirsher dev = niu_alloc_and_init(&op->dev, NULL, op, 10039e689cf4aSJeff Kirsher &niu_phys_ops, reg[0] & 0x1); 10040e689cf4aSJeff Kirsher if (!dev) { 10041e689cf4aSJeff Kirsher err = -ENOMEM; 10042e689cf4aSJeff Kirsher goto err_out; 10043e689cf4aSJeff Kirsher } 10044e689cf4aSJeff Kirsher np = netdev_priv(dev); 10045e689cf4aSJeff Kirsher 10046e689cf4aSJeff Kirsher memset(&parent_id, 0, sizeof(parent_id)); 10047e689cf4aSJeff Kirsher parent_id.of = of_get_parent(op->dev.of_node); 10048e689cf4aSJeff Kirsher 10049e689cf4aSJeff Kirsher np->parent = niu_get_parent(np, &parent_id, 10050e689cf4aSJeff Kirsher PLAT_TYPE_NIU); 10051e689cf4aSJeff Kirsher if (!np->parent) { 10052e689cf4aSJeff Kirsher err = -ENOMEM; 10053e689cf4aSJeff Kirsher goto err_out_free_dev; 10054e689cf4aSJeff Kirsher } 10055e689cf4aSJeff Kirsher 10056e689cf4aSJeff Kirsher niu_set_basic_features(dev); 10057e689cf4aSJeff Kirsher 10058e689cf4aSJeff Kirsher np->regs = of_ioremap(&op->resource[1], 0, 10059e689cf4aSJeff Kirsher resource_size(&op->resource[1]), 10060e689cf4aSJeff Kirsher "niu regs"); 10061e689cf4aSJeff Kirsher if (!np->regs) { 10062e689cf4aSJeff Kirsher dev_err(&op->dev, "Cannot map device registers, aborting\n"); 10063e689cf4aSJeff Kirsher err = -ENOMEM; 10064e689cf4aSJeff Kirsher goto err_out_release_parent; 10065e689cf4aSJeff Kirsher } 10066e689cf4aSJeff Kirsher 10067e689cf4aSJeff Kirsher np->vir_regs_1 = of_ioremap(&op->resource[2], 0, 10068e689cf4aSJeff Kirsher resource_size(&op->resource[2]), 10069e689cf4aSJeff Kirsher "niu vregs-1"); 10070e689cf4aSJeff Kirsher if (!np->vir_regs_1) { 10071e689cf4aSJeff Kirsher dev_err(&op->dev, "Cannot map device vir registers 1, aborting\n"); 10072e689cf4aSJeff Kirsher err = -ENOMEM; 10073e689cf4aSJeff Kirsher goto err_out_iounmap; 10074e689cf4aSJeff Kirsher } 10075e689cf4aSJeff Kirsher 10076e689cf4aSJeff Kirsher np->vir_regs_2 = of_ioremap(&op->resource[3], 0, 10077e689cf4aSJeff Kirsher resource_size(&op->resource[3]), 10078e689cf4aSJeff Kirsher "niu vregs-2"); 10079e689cf4aSJeff Kirsher if (!np->vir_regs_2) { 10080e689cf4aSJeff Kirsher dev_err(&op->dev, "Cannot map device vir registers 2, aborting\n"); 10081e689cf4aSJeff Kirsher err = -ENOMEM; 10082e689cf4aSJeff Kirsher goto err_out_iounmap; 10083e689cf4aSJeff Kirsher } 10084e689cf4aSJeff Kirsher 10085e689cf4aSJeff Kirsher niu_assign_netdev_ops(dev); 10086e689cf4aSJeff Kirsher 10087e689cf4aSJeff Kirsher err = niu_get_invariants(np); 10088e689cf4aSJeff Kirsher if (err) { 10089e689cf4aSJeff Kirsher if (err != -ENODEV) 10090e689cf4aSJeff Kirsher dev_err(&op->dev, "Problem fetching invariants of chip, aborting\n"); 10091e689cf4aSJeff Kirsher goto err_out_iounmap; 10092e689cf4aSJeff Kirsher } 10093e689cf4aSJeff Kirsher 10094e689cf4aSJeff Kirsher err = register_netdev(dev); 10095e689cf4aSJeff Kirsher if (err) { 10096e689cf4aSJeff Kirsher dev_err(&op->dev, "Cannot register net device, aborting\n"); 10097e689cf4aSJeff Kirsher goto err_out_iounmap; 10098e689cf4aSJeff Kirsher } 10099e689cf4aSJeff Kirsher 101008513fbd8SJingoo Han platform_set_drvdata(op, dev); 10101e689cf4aSJeff Kirsher 10102e689cf4aSJeff Kirsher niu_device_announce(np); 10103e689cf4aSJeff Kirsher 10104e689cf4aSJeff Kirsher return 0; 10105e689cf4aSJeff Kirsher 10106e689cf4aSJeff Kirsher err_out_iounmap: 10107e689cf4aSJeff Kirsher if (np->vir_regs_1) { 10108e689cf4aSJeff Kirsher of_iounmap(&op->resource[2], np->vir_regs_1, 10109e689cf4aSJeff Kirsher resource_size(&op->resource[2])); 10110e689cf4aSJeff Kirsher np->vir_regs_1 = NULL; 10111e689cf4aSJeff Kirsher } 10112e689cf4aSJeff Kirsher 10113e689cf4aSJeff Kirsher if (np->vir_regs_2) { 10114e689cf4aSJeff Kirsher of_iounmap(&op->resource[3], np->vir_regs_2, 10115e689cf4aSJeff Kirsher resource_size(&op->resource[3])); 10116e689cf4aSJeff Kirsher np->vir_regs_2 = NULL; 10117e689cf4aSJeff Kirsher } 10118e689cf4aSJeff Kirsher 10119e689cf4aSJeff Kirsher if (np->regs) { 10120e689cf4aSJeff Kirsher of_iounmap(&op->resource[1], np->regs, 10121e689cf4aSJeff Kirsher resource_size(&op->resource[1])); 10122e689cf4aSJeff Kirsher np->regs = NULL; 10123e689cf4aSJeff Kirsher } 10124e689cf4aSJeff Kirsher 10125e689cf4aSJeff Kirsher err_out_release_parent: 10126e689cf4aSJeff Kirsher niu_put_parent(np); 10127e689cf4aSJeff Kirsher 10128e689cf4aSJeff Kirsher err_out_free_dev: 10129e689cf4aSJeff Kirsher free_netdev(dev); 10130e689cf4aSJeff Kirsher 10131e689cf4aSJeff Kirsher err_out: 10132e689cf4aSJeff Kirsher return err; 10133e689cf4aSJeff Kirsher } 10134e689cf4aSJeff Kirsher 10135f73d12bdSBill Pemberton static int niu_of_remove(struct platform_device *op) 10136e689cf4aSJeff Kirsher { 101378513fbd8SJingoo Han struct net_device *dev = platform_get_drvdata(op); 10138e689cf4aSJeff Kirsher 10139e689cf4aSJeff Kirsher if (dev) { 10140e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 10141e689cf4aSJeff Kirsher 10142e689cf4aSJeff Kirsher unregister_netdev(dev); 10143e689cf4aSJeff Kirsher 10144e689cf4aSJeff Kirsher if (np->vir_regs_1) { 10145e689cf4aSJeff Kirsher of_iounmap(&op->resource[2], np->vir_regs_1, 10146e689cf4aSJeff Kirsher resource_size(&op->resource[2])); 10147e689cf4aSJeff Kirsher np->vir_regs_1 = NULL; 10148e689cf4aSJeff Kirsher } 10149e689cf4aSJeff Kirsher 10150e689cf4aSJeff Kirsher if (np->vir_regs_2) { 10151e689cf4aSJeff Kirsher of_iounmap(&op->resource[3], np->vir_regs_2, 10152e689cf4aSJeff Kirsher resource_size(&op->resource[3])); 10153e689cf4aSJeff Kirsher np->vir_regs_2 = NULL; 10154e689cf4aSJeff Kirsher } 10155e689cf4aSJeff Kirsher 10156e689cf4aSJeff Kirsher if (np->regs) { 10157e689cf4aSJeff Kirsher of_iounmap(&op->resource[1], np->regs, 10158e689cf4aSJeff Kirsher resource_size(&op->resource[1])); 10159e689cf4aSJeff Kirsher np->regs = NULL; 10160e689cf4aSJeff Kirsher } 10161e689cf4aSJeff Kirsher 10162e689cf4aSJeff Kirsher niu_ldg_free(np); 10163e689cf4aSJeff Kirsher 10164e689cf4aSJeff Kirsher niu_put_parent(np); 10165e689cf4aSJeff Kirsher 10166e689cf4aSJeff Kirsher free_netdev(dev); 10167e689cf4aSJeff Kirsher } 10168e689cf4aSJeff Kirsher return 0; 10169e689cf4aSJeff Kirsher } 10170e689cf4aSJeff Kirsher 10171e689cf4aSJeff Kirsher static const struct of_device_id niu_match[] = { 10172e689cf4aSJeff Kirsher { 10173e689cf4aSJeff Kirsher .name = "network", 10174e689cf4aSJeff Kirsher .compatible = "SUNW,niusl", 10175e689cf4aSJeff Kirsher }, 10176e689cf4aSJeff Kirsher {}, 10177e689cf4aSJeff Kirsher }; 10178e689cf4aSJeff Kirsher MODULE_DEVICE_TABLE(of, niu_match); 10179e689cf4aSJeff Kirsher 10180e689cf4aSJeff Kirsher static struct platform_driver niu_of_driver = { 10181e689cf4aSJeff Kirsher .driver = { 10182e689cf4aSJeff Kirsher .name = "niu", 10183e689cf4aSJeff Kirsher .of_match_table = niu_match, 10184e689cf4aSJeff Kirsher }, 10185e689cf4aSJeff Kirsher .probe = niu_of_probe, 10186f73d12bdSBill Pemberton .remove = niu_of_remove, 10187e689cf4aSJeff Kirsher }; 10188e689cf4aSJeff Kirsher 10189e689cf4aSJeff Kirsher #endif /* CONFIG_SPARC64 */ 10190e689cf4aSJeff Kirsher 10191e689cf4aSJeff Kirsher static int __init niu_init(void) 10192e689cf4aSJeff Kirsher { 10193e689cf4aSJeff Kirsher int err = 0; 10194e689cf4aSJeff Kirsher 10195e689cf4aSJeff Kirsher BUILD_BUG_ON(PAGE_SIZE < 4 * 1024); 10196e689cf4aSJeff Kirsher 101972dcfe9e2SKees Cook BUILD_BUG_ON(offsetof(struct page, mapping) != 101982dcfe9e2SKees Cook offsetof(union niu_page, next)); 101992dcfe9e2SKees Cook 10200e689cf4aSJeff Kirsher niu_debug = netif_msg_init(debug, NIU_MSG_DEFAULT); 10201e689cf4aSJeff Kirsher 10202e689cf4aSJeff Kirsher #ifdef CONFIG_SPARC64 10203e689cf4aSJeff Kirsher err = platform_driver_register(&niu_of_driver); 10204e689cf4aSJeff Kirsher #endif 10205e689cf4aSJeff Kirsher 10206e689cf4aSJeff Kirsher if (!err) { 10207e689cf4aSJeff Kirsher err = pci_register_driver(&niu_pci_driver); 10208e689cf4aSJeff Kirsher #ifdef CONFIG_SPARC64 10209e689cf4aSJeff Kirsher if (err) 10210e689cf4aSJeff Kirsher platform_driver_unregister(&niu_of_driver); 10211e689cf4aSJeff Kirsher #endif 10212e689cf4aSJeff Kirsher } 10213e689cf4aSJeff Kirsher 10214e689cf4aSJeff Kirsher return err; 10215e689cf4aSJeff Kirsher } 10216e689cf4aSJeff Kirsher 10217e689cf4aSJeff Kirsher static void __exit niu_exit(void) 10218e689cf4aSJeff Kirsher { 10219e689cf4aSJeff Kirsher pci_unregister_driver(&niu_pci_driver); 10220e689cf4aSJeff Kirsher #ifdef CONFIG_SPARC64 10221e689cf4aSJeff Kirsher platform_driver_unregister(&niu_of_driver); 10222e689cf4aSJeff Kirsher #endif 10223e689cf4aSJeff Kirsher } 10224e689cf4aSJeff Kirsher 10225e689cf4aSJeff Kirsher module_init(niu_init); 10226e689cf4aSJeff Kirsher module_exit(niu_exit); 10227