1f7917c00SJeff Kirsher /* 2f7917c00SJeff Kirsher * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved. 3f7917c00SJeff Kirsher * 4f7917c00SJeff Kirsher * This software is available to you under a choice of one of two 5f7917c00SJeff Kirsher * licenses. You may choose to be licensed under the terms of the GNU 6f7917c00SJeff Kirsher * General Public License (GPL) Version 2, available from the file 7f7917c00SJeff Kirsher * COPYING in the main directory of this source tree, or the 8f7917c00SJeff Kirsher * OpenIB.org BSD license below: 9f7917c00SJeff Kirsher * 10f7917c00SJeff Kirsher * Redistribution and use in source and binary forms, with or 11f7917c00SJeff Kirsher * without modification, are permitted provided that the following 12f7917c00SJeff Kirsher * conditions are met: 13f7917c00SJeff Kirsher * 14f7917c00SJeff Kirsher * - Redistributions of source code must retain the above 15f7917c00SJeff Kirsher * copyright notice, this list of conditions and the following 16f7917c00SJeff Kirsher * disclaimer. 17f7917c00SJeff Kirsher * 18f7917c00SJeff Kirsher * - Redistributions in binary form must reproduce the above 19f7917c00SJeff Kirsher * copyright notice, this list of conditions and the following 20f7917c00SJeff Kirsher * disclaimer in the documentation and/or other materials 21f7917c00SJeff Kirsher * provided with the distribution. 22f7917c00SJeff Kirsher * 23f7917c00SJeff Kirsher * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24f7917c00SJeff Kirsher * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25f7917c00SJeff Kirsher * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26f7917c00SJeff Kirsher * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27f7917c00SJeff Kirsher * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28f7917c00SJeff Kirsher * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29f7917c00SJeff Kirsher * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30f7917c00SJeff Kirsher * SOFTWARE. 31f7917c00SJeff Kirsher */ 32428ac43fSJoe Perches 33428ac43fSJoe Perches #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 34428ac43fSJoe Perches 35f7917c00SJeff Kirsher #include <linux/module.h> 36f7917c00SJeff Kirsher #include <linux/moduleparam.h> 37f7917c00SJeff Kirsher #include <linux/init.h> 38f7917c00SJeff Kirsher #include <linux/pci.h> 39f7917c00SJeff Kirsher #include <linux/dma-mapping.h> 40f7917c00SJeff Kirsher #include <linux/netdevice.h> 41f7917c00SJeff Kirsher #include <linux/etherdevice.h> 42f7917c00SJeff Kirsher #include <linux/if_vlan.h> 43f7917c00SJeff Kirsher #include <linux/mdio.h> 44f7917c00SJeff Kirsher #include <linux/sockios.h> 45f7917c00SJeff Kirsher #include <linux/workqueue.h> 46f7917c00SJeff Kirsher #include <linux/proc_fs.h> 47f7917c00SJeff Kirsher #include <linux/rtnetlink.h> 48f7917c00SJeff Kirsher #include <linux/firmware.h> 49f7917c00SJeff Kirsher #include <linux/log2.h> 50f7917c00SJeff Kirsher #include <linux/stringify.h> 51f7917c00SJeff Kirsher #include <linux/sched.h> 52f7917c00SJeff Kirsher #include <linux/slab.h> 53f7917c00SJeff Kirsher #include <asm/uaccess.h> 54f7917c00SJeff Kirsher 55f7917c00SJeff Kirsher #include "common.h" 56f7917c00SJeff Kirsher #include "cxgb3_ioctl.h" 57f7917c00SJeff Kirsher #include "regs.h" 58f7917c00SJeff Kirsher #include "cxgb3_offload.h" 59f7917c00SJeff Kirsher #include "version.h" 60f7917c00SJeff Kirsher 61f7917c00SJeff Kirsher #include "cxgb3_ctl_defs.h" 62f7917c00SJeff Kirsher #include "t3_cpl.h" 63f7917c00SJeff Kirsher #include "firmware_exports.h" 64f7917c00SJeff Kirsher 65f7917c00SJeff Kirsher enum { 66f7917c00SJeff Kirsher MAX_TXQ_ENTRIES = 16384, 67f7917c00SJeff Kirsher MAX_CTRL_TXQ_ENTRIES = 1024, 68f7917c00SJeff Kirsher MAX_RSPQ_ENTRIES = 16384, 69f7917c00SJeff Kirsher MAX_RX_BUFFERS = 16384, 70f7917c00SJeff Kirsher MAX_RX_JUMBO_BUFFERS = 16384, 71f7917c00SJeff Kirsher MIN_TXQ_ENTRIES = 4, 72f7917c00SJeff Kirsher MIN_CTRL_TXQ_ENTRIES = 4, 73f7917c00SJeff Kirsher MIN_RSPQ_ENTRIES = 32, 74f7917c00SJeff Kirsher MIN_FL_ENTRIES = 32 75f7917c00SJeff Kirsher }; 76f7917c00SJeff Kirsher 77f7917c00SJeff Kirsher #define PORT_MASK ((1 << MAX_NPORTS) - 1) 78f7917c00SJeff Kirsher 79f7917c00SJeff Kirsher #define DFLT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \ 80f7917c00SJeff Kirsher NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP |\ 81f7917c00SJeff Kirsher NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) 82f7917c00SJeff Kirsher 83f7917c00SJeff Kirsher #define EEPROM_MAGIC 0x38E2F10C 84f7917c00SJeff Kirsher 85f7917c00SJeff Kirsher #define CH_DEVICE(devid, idx) \ 86f7917c00SJeff Kirsher { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, PCI_ANY_ID, 0, 0, idx } 87f7917c00SJeff Kirsher 889baa3c34SBenoit Taine static const struct pci_device_id cxgb3_pci_tbl[] = { 89f7917c00SJeff Kirsher CH_DEVICE(0x20, 0), /* PE9000 */ 90f7917c00SJeff Kirsher CH_DEVICE(0x21, 1), /* T302E */ 91f7917c00SJeff Kirsher CH_DEVICE(0x22, 2), /* T310E */ 92f7917c00SJeff Kirsher CH_DEVICE(0x23, 3), /* T320X */ 93f7917c00SJeff Kirsher CH_DEVICE(0x24, 1), /* T302X */ 94f7917c00SJeff Kirsher CH_DEVICE(0x25, 3), /* T320E */ 95f7917c00SJeff Kirsher CH_DEVICE(0x26, 2), /* T310X */ 96f7917c00SJeff Kirsher CH_DEVICE(0x30, 2), /* T3B10 */ 97f7917c00SJeff Kirsher CH_DEVICE(0x31, 3), /* T3B20 */ 98f7917c00SJeff Kirsher CH_DEVICE(0x32, 1), /* T3B02 */ 99f7917c00SJeff Kirsher CH_DEVICE(0x35, 6), /* T3C20-derived T3C10 */ 100f7917c00SJeff Kirsher CH_DEVICE(0x36, 3), /* S320E-CR */ 101f7917c00SJeff Kirsher CH_DEVICE(0x37, 7), /* N320E-G2 */ 102f7917c00SJeff Kirsher {0,} 103f7917c00SJeff Kirsher }; 104f7917c00SJeff Kirsher 105f7917c00SJeff Kirsher MODULE_DESCRIPTION(DRV_DESC); 106f7917c00SJeff Kirsher MODULE_AUTHOR("Chelsio Communications"); 107f7917c00SJeff Kirsher MODULE_LICENSE("Dual BSD/GPL"); 108f7917c00SJeff Kirsher MODULE_VERSION(DRV_VERSION); 109f7917c00SJeff Kirsher MODULE_DEVICE_TABLE(pci, cxgb3_pci_tbl); 110f7917c00SJeff Kirsher 111f7917c00SJeff Kirsher static int dflt_msg_enable = DFLT_MSG_ENABLE; 112f7917c00SJeff Kirsher 113f7917c00SJeff Kirsher module_param(dflt_msg_enable, int, 0644); 114f7917c00SJeff Kirsher MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T3 default message enable bitmap"); 115f7917c00SJeff Kirsher 116f7917c00SJeff Kirsher /* 117f7917c00SJeff Kirsher * The driver uses the best interrupt scheme available on a platform in the 118f7917c00SJeff Kirsher * order MSI-X, MSI, legacy pin interrupts. This parameter determines which 119f7917c00SJeff Kirsher * of these schemes the driver may consider as follows: 120f7917c00SJeff Kirsher * 121f7917c00SJeff Kirsher * msi = 2: choose from among all three options 122f7917c00SJeff Kirsher * msi = 1: only consider MSI and pin interrupts 123f7917c00SJeff Kirsher * msi = 0: force pin interrupts 124f7917c00SJeff Kirsher */ 125f7917c00SJeff Kirsher static int msi = 2; 126f7917c00SJeff Kirsher 127f7917c00SJeff Kirsher module_param(msi, int, 0644); 128f7917c00SJeff Kirsher MODULE_PARM_DESC(msi, "whether to use MSI or MSI-X"); 129f7917c00SJeff Kirsher 130f7917c00SJeff Kirsher /* 131f7917c00SJeff Kirsher * The driver enables offload as a default. 132f7917c00SJeff Kirsher * To disable it, use ofld_disable = 1. 133f7917c00SJeff Kirsher */ 134f7917c00SJeff Kirsher 135f7917c00SJeff Kirsher static int ofld_disable = 0; 136f7917c00SJeff Kirsher 137f7917c00SJeff Kirsher module_param(ofld_disable, int, 0644); 138f7917c00SJeff Kirsher MODULE_PARM_DESC(ofld_disable, "whether to enable offload at init time or not"); 139f7917c00SJeff Kirsher 140f7917c00SJeff Kirsher /* 141f7917c00SJeff Kirsher * We have work elements that we need to cancel when an interface is taken 142f7917c00SJeff Kirsher * down. Normally the work elements would be executed by keventd but that 143f7917c00SJeff Kirsher * can deadlock because of linkwatch. If our close method takes the rtnl 144f7917c00SJeff Kirsher * lock and linkwatch is ahead of our work elements in keventd, linkwatch 145f7917c00SJeff Kirsher * will block keventd as it needs the rtnl lock, and we'll deadlock waiting 146f7917c00SJeff Kirsher * for our work to complete. Get our own work queue to solve this. 147f7917c00SJeff Kirsher */ 148f7917c00SJeff Kirsher struct workqueue_struct *cxgb3_wq; 149f7917c00SJeff Kirsher 150f7917c00SJeff Kirsher /** 151f7917c00SJeff Kirsher * link_report - show link status and link speed/duplex 152f7917c00SJeff Kirsher * @p: the port whose settings are to be reported 153f7917c00SJeff Kirsher * 154f7917c00SJeff Kirsher * Shows the link status, speed, and duplex of a port. 155f7917c00SJeff Kirsher */ 156f7917c00SJeff Kirsher static void link_report(struct net_device *dev) 157f7917c00SJeff Kirsher { 158f7917c00SJeff Kirsher if (!netif_carrier_ok(dev)) 159428ac43fSJoe Perches netdev_info(dev, "link down\n"); 160f7917c00SJeff Kirsher else { 161f7917c00SJeff Kirsher const char *s = "10Mbps"; 162f7917c00SJeff Kirsher const struct port_info *p = netdev_priv(dev); 163f7917c00SJeff Kirsher 164f7917c00SJeff Kirsher switch (p->link_config.speed) { 165f7917c00SJeff Kirsher case SPEED_10000: 166f7917c00SJeff Kirsher s = "10Gbps"; 167f7917c00SJeff Kirsher break; 168f7917c00SJeff Kirsher case SPEED_1000: 169f7917c00SJeff Kirsher s = "1000Mbps"; 170f7917c00SJeff Kirsher break; 171f7917c00SJeff Kirsher case SPEED_100: 172f7917c00SJeff Kirsher s = "100Mbps"; 173f7917c00SJeff Kirsher break; 174f7917c00SJeff Kirsher } 175f7917c00SJeff Kirsher 176428ac43fSJoe Perches netdev_info(dev, "link up, %s, %s-duplex\n", 177428ac43fSJoe Perches s, p->link_config.duplex == DUPLEX_FULL 178428ac43fSJoe Perches ? "full" : "half"); 179f7917c00SJeff Kirsher } 180f7917c00SJeff Kirsher } 181f7917c00SJeff Kirsher 182f7917c00SJeff Kirsher static void enable_tx_fifo_drain(struct adapter *adapter, 183f7917c00SJeff Kirsher struct port_info *pi) 184f7917c00SJeff Kirsher { 185f7917c00SJeff Kirsher t3_set_reg_field(adapter, A_XGM_TXFIFO_CFG + pi->mac.offset, 0, 186f7917c00SJeff Kirsher F_ENDROPPKT); 187f7917c00SJeff Kirsher t3_write_reg(adapter, A_XGM_RX_CTRL + pi->mac.offset, 0); 188f7917c00SJeff Kirsher t3_write_reg(adapter, A_XGM_TX_CTRL + pi->mac.offset, F_TXEN); 189f7917c00SJeff Kirsher t3_write_reg(adapter, A_XGM_RX_CTRL + pi->mac.offset, F_RXEN); 190f7917c00SJeff Kirsher } 191f7917c00SJeff Kirsher 192f7917c00SJeff Kirsher static void disable_tx_fifo_drain(struct adapter *adapter, 193f7917c00SJeff Kirsher struct port_info *pi) 194f7917c00SJeff Kirsher { 195f7917c00SJeff Kirsher t3_set_reg_field(adapter, A_XGM_TXFIFO_CFG + pi->mac.offset, 196f7917c00SJeff Kirsher F_ENDROPPKT, 0); 197f7917c00SJeff Kirsher } 198f7917c00SJeff Kirsher 199f7917c00SJeff Kirsher void t3_os_link_fault(struct adapter *adap, int port_id, int state) 200f7917c00SJeff Kirsher { 201f7917c00SJeff Kirsher struct net_device *dev = adap->port[port_id]; 202f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 203f7917c00SJeff Kirsher 204f7917c00SJeff Kirsher if (state == netif_carrier_ok(dev)) 205f7917c00SJeff Kirsher return; 206f7917c00SJeff Kirsher 207f7917c00SJeff Kirsher if (state) { 208f7917c00SJeff Kirsher struct cmac *mac = &pi->mac; 209f7917c00SJeff Kirsher 210f7917c00SJeff Kirsher netif_carrier_on(dev); 211f7917c00SJeff Kirsher 212f7917c00SJeff Kirsher disable_tx_fifo_drain(adap, pi); 213f7917c00SJeff Kirsher 214f7917c00SJeff Kirsher /* Clear local faults */ 215f7917c00SJeff Kirsher t3_xgm_intr_disable(adap, pi->port_id); 216f7917c00SJeff Kirsher t3_read_reg(adap, A_XGM_INT_STATUS + 217f7917c00SJeff Kirsher pi->mac.offset); 218f7917c00SJeff Kirsher t3_write_reg(adap, 219f7917c00SJeff Kirsher A_XGM_INT_CAUSE + pi->mac.offset, 220f7917c00SJeff Kirsher F_XGM_INT); 221f7917c00SJeff Kirsher 222f7917c00SJeff Kirsher t3_set_reg_field(adap, 223f7917c00SJeff Kirsher A_XGM_INT_ENABLE + 224f7917c00SJeff Kirsher pi->mac.offset, 225f7917c00SJeff Kirsher F_XGM_INT, F_XGM_INT); 226f7917c00SJeff Kirsher t3_xgm_intr_enable(adap, pi->port_id); 227f7917c00SJeff Kirsher 228f7917c00SJeff Kirsher t3_mac_enable(mac, MAC_DIRECTION_TX); 229f7917c00SJeff Kirsher } else { 230f7917c00SJeff Kirsher netif_carrier_off(dev); 231f7917c00SJeff Kirsher 232f7917c00SJeff Kirsher /* Flush TX FIFO */ 233f7917c00SJeff Kirsher enable_tx_fifo_drain(adap, pi); 234f7917c00SJeff Kirsher } 235f7917c00SJeff Kirsher link_report(dev); 236f7917c00SJeff Kirsher } 237f7917c00SJeff Kirsher 238f7917c00SJeff Kirsher /** 239f7917c00SJeff Kirsher * t3_os_link_changed - handle link status changes 240f7917c00SJeff Kirsher * @adapter: the adapter associated with the link change 241f7917c00SJeff Kirsher * @port_id: the port index whose limk status has changed 242f7917c00SJeff Kirsher * @link_stat: the new status of the link 243f7917c00SJeff Kirsher * @speed: the new speed setting 244f7917c00SJeff Kirsher * @duplex: the new duplex setting 245f7917c00SJeff Kirsher * @pause: the new flow-control setting 246f7917c00SJeff Kirsher * 247f7917c00SJeff Kirsher * This is the OS-dependent handler for link status changes. The OS 248f7917c00SJeff Kirsher * neutral handler takes care of most of the processing for these events, 249f7917c00SJeff Kirsher * then calls this handler for any OS-specific processing. 250f7917c00SJeff Kirsher */ 251f7917c00SJeff Kirsher void t3_os_link_changed(struct adapter *adapter, int port_id, int link_stat, 252f7917c00SJeff Kirsher int speed, int duplex, int pause) 253f7917c00SJeff Kirsher { 254f7917c00SJeff Kirsher struct net_device *dev = adapter->port[port_id]; 255f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 256f7917c00SJeff Kirsher struct cmac *mac = &pi->mac; 257f7917c00SJeff Kirsher 258f7917c00SJeff Kirsher /* Skip changes from disabled ports. */ 259f7917c00SJeff Kirsher if (!netif_running(dev)) 260f7917c00SJeff Kirsher return; 261f7917c00SJeff Kirsher 262f7917c00SJeff Kirsher if (link_stat != netif_carrier_ok(dev)) { 263f7917c00SJeff Kirsher if (link_stat) { 264f7917c00SJeff Kirsher disable_tx_fifo_drain(adapter, pi); 265f7917c00SJeff Kirsher 266f7917c00SJeff Kirsher t3_mac_enable(mac, MAC_DIRECTION_RX); 267f7917c00SJeff Kirsher 268f7917c00SJeff Kirsher /* Clear local faults */ 269f7917c00SJeff Kirsher t3_xgm_intr_disable(adapter, pi->port_id); 270f7917c00SJeff Kirsher t3_read_reg(adapter, A_XGM_INT_STATUS + 271f7917c00SJeff Kirsher pi->mac.offset); 272f7917c00SJeff Kirsher t3_write_reg(adapter, 273f7917c00SJeff Kirsher A_XGM_INT_CAUSE + pi->mac.offset, 274f7917c00SJeff Kirsher F_XGM_INT); 275f7917c00SJeff Kirsher 276f7917c00SJeff Kirsher t3_set_reg_field(adapter, 277f7917c00SJeff Kirsher A_XGM_INT_ENABLE + pi->mac.offset, 278f7917c00SJeff Kirsher F_XGM_INT, F_XGM_INT); 279f7917c00SJeff Kirsher t3_xgm_intr_enable(adapter, pi->port_id); 280f7917c00SJeff Kirsher 281f7917c00SJeff Kirsher netif_carrier_on(dev); 282f7917c00SJeff Kirsher } else { 283f7917c00SJeff Kirsher netif_carrier_off(dev); 284f7917c00SJeff Kirsher 285f7917c00SJeff Kirsher t3_xgm_intr_disable(adapter, pi->port_id); 286f7917c00SJeff Kirsher t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); 287f7917c00SJeff Kirsher t3_set_reg_field(adapter, 288f7917c00SJeff Kirsher A_XGM_INT_ENABLE + pi->mac.offset, 289f7917c00SJeff Kirsher F_XGM_INT, 0); 290f7917c00SJeff Kirsher 291f7917c00SJeff Kirsher if (is_10G(adapter)) 292f7917c00SJeff Kirsher pi->phy.ops->power_down(&pi->phy, 1); 293f7917c00SJeff Kirsher 294f7917c00SJeff Kirsher t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); 295f7917c00SJeff Kirsher t3_mac_disable(mac, MAC_DIRECTION_RX); 296f7917c00SJeff Kirsher t3_link_start(&pi->phy, mac, &pi->link_config); 297f7917c00SJeff Kirsher 298f7917c00SJeff Kirsher /* Flush TX FIFO */ 299f7917c00SJeff Kirsher enable_tx_fifo_drain(adapter, pi); 300f7917c00SJeff Kirsher } 301f7917c00SJeff Kirsher 302f7917c00SJeff Kirsher link_report(dev); 303f7917c00SJeff Kirsher } 304f7917c00SJeff Kirsher } 305f7917c00SJeff Kirsher 306f7917c00SJeff Kirsher /** 307f7917c00SJeff Kirsher * t3_os_phymod_changed - handle PHY module changes 308f7917c00SJeff Kirsher * @phy: the PHY reporting the module change 309f7917c00SJeff Kirsher * @mod_type: new module type 310f7917c00SJeff Kirsher * 311f7917c00SJeff Kirsher * This is the OS-dependent handler for PHY module changes. It is 312f7917c00SJeff Kirsher * invoked when a PHY module is removed or inserted for any OS-specific 313f7917c00SJeff Kirsher * processing. 314f7917c00SJeff Kirsher */ 315f7917c00SJeff Kirsher void t3_os_phymod_changed(struct adapter *adap, int port_id) 316f7917c00SJeff Kirsher { 317f7917c00SJeff Kirsher static const char *mod_str[] = { 318f7917c00SJeff Kirsher NULL, "SR", "LR", "LRM", "TWINAX", "TWINAX", "unknown" 319f7917c00SJeff Kirsher }; 320f7917c00SJeff Kirsher 321f7917c00SJeff Kirsher const struct net_device *dev = adap->port[port_id]; 322f7917c00SJeff Kirsher const struct port_info *pi = netdev_priv(dev); 323f7917c00SJeff Kirsher 324f7917c00SJeff Kirsher if (pi->phy.modtype == phy_modtype_none) 325428ac43fSJoe Perches netdev_info(dev, "PHY module unplugged\n"); 326f7917c00SJeff Kirsher else 327428ac43fSJoe Perches netdev_info(dev, "%s PHY module inserted\n", 328f7917c00SJeff Kirsher mod_str[pi->phy.modtype]); 329f7917c00SJeff Kirsher } 330f7917c00SJeff Kirsher 331f7917c00SJeff Kirsher static void cxgb_set_rxmode(struct net_device *dev) 332f7917c00SJeff Kirsher { 333f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 334f7917c00SJeff Kirsher 335f7917c00SJeff Kirsher t3_mac_set_rx_mode(&pi->mac, dev); 336f7917c00SJeff Kirsher } 337f7917c00SJeff Kirsher 338f7917c00SJeff Kirsher /** 339f7917c00SJeff Kirsher * link_start - enable a port 340f7917c00SJeff Kirsher * @dev: the device to enable 341f7917c00SJeff Kirsher * 342f7917c00SJeff Kirsher * Performs the MAC and PHY actions needed to enable a port. 343f7917c00SJeff Kirsher */ 344f7917c00SJeff Kirsher static void link_start(struct net_device *dev) 345f7917c00SJeff Kirsher { 346f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 347f7917c00SJeff Kirsher struct cmac *mac = &pi->mac; 348f7917c00SJeff Kirsher 349f7917c00SJeff Kirsher t3_mac_reset(mac); 350f7917c00SJeff Kirsher t3_mac_set_num_ucast(mac, MAX_MAC_IDX); 351f7917c00SJeff Kirsher t3_mac_set_mtu(mac, dev->mtu); 352f7917c00SJeff Kirsher t3_mac_set_address(mac, LAN_MAC_IDX, dev->dev_addr); 353f7917c00SJeff Kirsher t3_mac_set_address(mac, SAN_MAC_IDX, pi->iscsic.mac_addr); 354f7917c00SJeff Kirsher t3_mac_set_rx_mode(mac, dev); 355f7917c00SJeff Kirsher t3_link_start(&pi->phy, mac, &pi->link_config); 356f7917c00SJeff Kirsher t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); 357f7917c00SJeff Kirsher } 358f7917c00SJeff Kirsher 359f7917c00SJeff Kirsher static inline void cxgb_disable_msi(struct adapter *adapter) 360f7917c00SJeff Kirsher { 361f7917c00SJeff Kirsher if (adapter->flags & USING_MSIX) { 362f7917c00SJeff Kirsher pci_disable_msix(adapter->pdev); 363f7917c00SJeff Kirsher adapter->flags &= ~USING_MSIX; 364f7917c00SJeff Kirsher } else if (adapter->flags & USING_MSI) { 365f7917c00SJeff Kirsher pci_disable_msi(adapter->pdev); 366f7917c00SJeff Kirsher adapter->flags &= ~USING_MSI; 367f7917c00SJeff Kirsher } 368f7917c00SJeff Kirsher } 369f7917c00SJeff Kirsher 370f7917c00SJeff Kirsher /* 371f7917c00SJeff Kirsher * Interrupt handler for asynchronous events used with MSI-X. 372f7917c00SJeff Kirsher */ 373f7917c00SJeff Kirsher static irqreturn_t t3_async_intr_handler(int irq, void *cookie) 374f7917c00SJeff Kirsher { 375f7917c00SJeff Kirsher t3_slow_intr_handler(cookie); 376f7917c00SJeff Kirsher return IRQ_HANDLED; 377f7917c00SJeff Kirsher } 378f7917c00SJeff Kirsher 379f7917c00SJeff Kirsher /* 380f7917c00SJeff Kirsher * Name the MSI-X interrupts. 381f7917c00SJeff Kirsher */ 382f7917c00SJeff Kirsher static void name_msix_vecs(struct adapter *adap) 383f7917c00SJeff Kirsher { 384f7917c00SJeff Kirsher int i, j, msi_idx = 1, n = sizeof(adap->msix_info[0].desc) - 1; 385f7917c00SJeff Kirsher 386f7917c00SJeff Kirsher snprintf(adap->msix_info[0].desc, n, "%s", adap->name); 387f7917c00SJeff Kirsher adap->msix_info[0].desc[n] = 0; 388f7917c00SJeff Kirsher 389f7917c00SJeff Kirsher for_each_port(adap, j) { 390f7917c00SJeff Kirsher struct net_device *d = adap->port[j]; 391f7917c00SJeff Kirsher const struct port_info *pi = netdev_priv(d); 392f7917c00SJeff Kirsher 393f7917c00SJeff Kirsher for (i = 0; i < pi->nqsets; i++, msi_idx++) { 394f7917c00SJeff Kirsher snprintf(adap->msix_info[msi_idx].desc, n, 395f7917c00SJeff Kirsher "%s-%d", d->name, pi->first_qset + i); 396f7917c00SJeff Kirsher adap->msix_info[msi_idx].desc[n] = 0; 397f7917c00SJeff Kirsher } 398f7917c00SJeff Kirsher } 399f7917c00SJeff Kirsher } 400f7917c00SJeff Kirsher 401f7917c00SJeff Kirsher static int request_msix_data_irqs(struct adapter *adap) 402f7917c00SJeff Kirsher { 403f7917c00SJeff Kirsher int i, j, err, qidx = 0; 404f7917c00SJeff Kirsher 405f7917c00SJeff Kirsher for_each_port(adap, i) { 406f7917c00SJeff Kirsher int nqsets = adap2pinfo(adap, i)->nqsets; 407f7917c00SJeff Kirsher 408f7917c00SJeff Kirsher for (j = 0; j < nqsets; ++j) { 409f7917c00SJeff Kirsher err = request_irq(adap->msix_info[qidx + 1].vec, 410f7917c00SJeff Kirsher t3_intr_handler(adap, 411f7917c00SJeff Kirsher adap->sge.qs[qidx]. 412f7917c00SJeff Kirsher rspq.polling), 0, 413f7917c00SJeff Kirsher adap->msix_info[qidx + 1].desc, 414f7917c00SJeff Kirsher &adap->sge.qs[qidx]); 415f7917c00SJeff Kirsher if (err) { 416f7917c00SJeff Kirsher while (--qidx >= 0) 417f7917c00SJeff Kirsher free_irq(adap->msix_info[qidx + 1].vec, 418f7917c00SJeff Kirsher &adap->sge.qs[qidx]); 419f7917c00SJeff Kirsher return err; 420f7917c00SJeff Kirsher } 421f7917c00SJeff Kirsher qidx++; 422f7917c00SJeff Kirsher } 423f7917c00SJeff Kirsher } 424f7917c00SJeff Kirsher return 0; 425f7917c00SJeff Kirsher } 426f7917c00SJeff Kirsher 427f7917c00SJeff Kirsher static void free_irq_resources(struct adapter *adapter) 428f7917c00SJeff Kirsher { 429f7917c00SJeff Kirsher if (adapter->flags & USING_MSIX) { 430f7917c00SJeff Kirsher int i, n = 0; 431f7917c00SJeff Kirsher 432f7917c00SJeff Kirsher free_irq(adapter->msix_info[0].vec, adapter); 433f7917c00SJeff Kirsher for_each_port(adapter, i) 434f7917c00SJeff Kirsher n += adap2pinfo(adapter, i)->nqsets; 435f7917c00SJeff Kirsher 436f7917c00SJeff Kirsher for (i = 0; i < n; ++i) 437f7917c00SJeff Kirsher free_irq(adapter->msix_info[i + 1].vec, 438f7917c00SJeff Kirsher &adapter->sge.qs[i]); 439f7917c00SJeff Kirsher } else 440f7917c00SJeff Kirsher free_irq(adapter->pdev->irq, adapter); 441f7917c00SJeff Kirsher } 442f7917c00SJeff Kirsher 443f7917c00SJeff Kirsher static int await_mgmt_replies(struct adapter *adap, unsigned long init_cnt, 444f7917c00SJeff Kirsher unsigned long n) 445f7917c00SJeff Kirsher { 446f7917c00SJeff Kirsher int attempts = 10; 447f7917c00SJeff Kirsher 448f7917c00SJeff Kirsher while (adap->sge.qs[0].rspq.offload_pkts < init_cnt + n) { 449f7917c00SJeff Kirsher if (!--attempts) 450f7917c00SJeff Kirsher return -ETIMEDOUT; 451f7917c00SJeff Kirsher msleep(10); 452f7917c00SJeff Kirsher } 453f7917c00SJeff Kirsher return 0; 454f7917c00SJeff Kirsher } 455f7917c00SJeff Kirsher 456f7917c00SJeff Kirsher static int init_tp_parity(struct adapter *adap) 457f7917c00SJeff Kirsher { 458f7917c00SJeff Kirsher int i; 459f7917c00SJeff Kirsher struct sk_buff *skb; 460f7917c00SJeff Kirsher struct cpl_set_tcb_field *greq; 461f7917c00SJeff Kirsher unsigned long cnt = adap->sge.qs[0].rspq.offload_pkts; 462f7917c00SJeff Kirsher 463f7917c00SJeff Kirsher t3_tp_set_offload_mode(adap, 1); 464f7917c00SJeff Kirsher 465f7917c00SJeff Kirsher for (i = 0; i < 16; i++) { 466f7917c00SJeff Kirsher struct cpl_smt_write_req *req; 467f7917c00SJeff Kirsher 468f7917c00SJeff Kirsher skb = alloc_skb(sizeof(*req), GFP_KERNEL); 469f7917c00SJeff Kirsher if (!skb) 470f7917c00SJeff Kirsher skb = adap->nofail_skb; 471f7917c00SJeff Kirsher if (!skb) 472f7917c00SJeff Kirsher goto alloc_skb_fail; 473f7917c00SJeff Kirsher 474f7917c00SJeff Kirsher req = (struct cpl_smt_write_req *)__skb_put(skb, sizeof(*req)); 475f7917c00SJeff Kirsher memset(req, 0, sizeof(*req)); 476f7917c00SJeff Kirsher req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); 477f7917c00SJeff Kirsher OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, i)); 478f7917c00SJeff Kirsher req->mtu_idx = NMTUS - 1; 479f7917c00SJeff Kirsher req->iff = i; 480f7917c00SJeff Kirsher t3_mgmt_tx(adap, skb); 481f7917c00SJeff Kirsher if (skb == adap->nofail_skb) { 482f7917c00SJeff Kirsher await_mgmt_replies(adap, cnt, i + 1); 483f7917c00SJeff Kirsher adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); 484f7917c00SJeff Kirsher if (!adap->nofail_skb) 485f7917c00SJeff Kirsher goto alloc_skb_fail; 486f7917c00SJeff Kirsher } 487f7917c00SJeff Kirsher } 488f7917c00SJeff Kirsher 489f7917c00SJeff Kirsher for (i = 0; i < 2048; i++) { 490f7917c00SJeff Kirsher struct cpl_l2t_write_req *req; 491f7917c00SJeff Kirsher 492f7917c00SJeff Kirsher skb = alloc_skb(sizeof(*req), GFP_KERNEL); 493f7917c00SJeff Kirsher if (!skb) 494f7917c00SJeff Kirsher skb = adap->nofail_skb; 495f7917c00SJeff Kirsher if (!skb) 496f7917c00SJeff Kirsher goto alloc_skb_fail; 497f7917c00SJeff Kirsher 498f7917c00SJeff Kirsher req = (struct cpl_l2t_write_req *)__skb_put(skb, sizeof(*req)); 499f7917c00SJeff Kirsher memset(req, 0, sizeof(*req)); 500f7917c00SJeff Kirsher req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); 501f7917c00SJeff Kirsher OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_L2T_WRITE_REQ, i)); 502f7917c00SJeff Kirsher req->params = htonl(V_L2T_W_IDX(i)); 503f7917c00SJeff Kirsher t3_mgmt_tx(adap, skb); 504f7917c00SJeff Kirsher if (skb == adap->nofail_skb) { 505f7917c00SJeff Kirsher await_mgmt_replies(adap, cnt, 16 + i + 1); 506f7917c00SJeff Kirsher adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); 507f7917c00SJeff Kirsher if (!adap->nofail_skb) 508f7917c00SJeff Kirsher goto alloc_skb_fail; 509f7917c00SJeff Kirsher } 510f7917c00SJeff Kirsher } 511f7917c00SJeff Kirsher 512f7917c00SJeff Kirsher for (i = 0; i < 2048; i++) { 513f7917c00SJeff Kirsher struct cpl_rte_write_req *req; 514f7917c00SJeff Kirsher 515f7917c00SJeff Kirsher skb = alloc_skb(sizeof(*req), GFP_KERNEL); 516f7917c00SJeff Kirsher if (!skb) 517f7917c00SJeff Kirsher skb = adap->nofail_skb; 518f7917c00SJeff Kirsher if (!skb) 519f7917c00SJeff Kirsher goto alloc_skb_fail; 520f7917c00SJeff Kirsher 521f7917c00SJeff Kirsher req = (struct cpl_rte_write_req *)__skb_put(skb, sizeof(*req)); 522f7917c00SJeff Kirsher memset(req, 0, sizeof(*req)); 523f7917c00SJeff Kirsher req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); 524f7917c00SJeff Kirsher OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_RTE_WRITE_REQ, i)); 525f7917c00SJeff Kirsher req->l2t_idx = htonl(V_L2T_W_IDX(i)); 526f7917c00SJeff Kirsher t3_mgmt_tx(adap, skb); 527f7917c00SJeff Kirsher if (skb == adap->nofail_skb) { 528f7917c00SJeff Kirsher await_mgmt_replies(adap, cnt, 16 + 2048 + i + 1); 529f7917c00SJeff Kirsher adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); 530f7917c00SJeff Kirsher if (!adap->nofail_skb) 531f7917c00SJeff Kirsher goto alloc_skb_fail; 532f7917c00SJeff Kirsher } 533f7917c00SJeff Kirsher } 534f7917c00SJeff Kirsher 535f7917c00SJeff Kirsher skb = alloc_skb(sizeof(*greq), GFP_KERNEL); 536f7917c00SJeff Kirsher if (!skb) 537f7917c00SJeff Kirsher skb = adap->nofail_skb; 538f7917c00SJeff Kirsher if (!skb) 539f7917c00SJeff Kirsher goto alloc_skb_fail; 540f7917c00SJeff Kirsher 541f7917c00SJeff Kirsher greq = (struct cpl_set_tcb_field *)__skb_put(skb, sizeof(*greq)); 542f7917c00SJeff Kirsher memset(greq, 0, sizeof(*greq)); 543f7917c00SJeff Kirsher greq->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); 544f7917c00SJeff Kirsher OPCODE_TID(greq) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, 0)); 545f7917c00SJeff Kirsher greq->mask = cpu_to_be64(1); 546f7917c00SJeff Kirsher t3_mgmt_tx(adap, skb); 547f7917c00SJeff Kirsher 548f7917c00SJeff Kirsher i = await_mgmt_replies(adap, cnt, 16 + 2048 + 2048 + 1); 549f7917c00SJeff Kirsher if (skb == adap->nofail_skb) { 550f7917c00SJeff Kirsher i = await_mgmt_replies(adap, cnt, 16 + 2048 + 2048 + 1); 551f7917c00SJeff Kirsher adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); 552f7917c00SJeff Kirsher } 553f7917c00SJeff Kirsher 554f7917c00SJeff Kirsher t3_tp_set_offload_mode(adap, 0); 555f7917c00SJeff Kirsher return i; 556f7917c00SJeff Kirsher 557f7917c00SJeff Kirsher alloc_skb_fail: 558f7917c00SJeff Kirsher t3_tp_set_offload_mode(adap, 0); 559f7917c00SJeff Kirsher return -ENOMEM; 560f7917c00SJeff Kirsher } 561f7917c00SJeff Kirsher 562f7917c00SJeff Kirsher /** 563f7917c00SJeff Kirsher * setup_rss - configure RSS 564f7917c00SJeff Kirsher * @adap: the adapter 565f7917c00SJeff Kirsher * 566f7917c00SJeff Kirsher * Sets up RSS to distribute packets to multiple receive queues. We 567f7917c00SJeff Kirsher * configure the RSS CPU lookup table to distribute to the number of HW 568f7917c00SJeff Kirsher * receive queues, and the response queue lookup table to narrow that 569f7917c00SJeff Kirsher * down to the response queues actually configured for each port. 570f7917c00SJeff Kirsher * We always configure the RSS mapping for two ports since the mapping 571f7917c00SJeff Kirsher * table has plenty of entries. 572f7917c00SJeff Kirsher */ 573f7917c00SJeff Kirsher static void setup_rss(struct adapter *adap) 574f7917c00SJeff Kirsher { 575f7917c00SJeff Kirsher int i; 576f7917c00SJeff Kirsher unsigned int nq0 = adap2pinfo(adap, 0)->nqsets; 577f7917c00SJeff Kirsher unsigned int nq1 = adap->port[1] ? adap2pinfo(adap, 1)->nqsets : 1; 578f7917c00SJeff Kirsher u8 cpus[SGE_QSETS + 1]; 579f7917c00SJeff Kirsher u16 rspq_map[RSS_TABLE_SIZE]; 580f7917c00SJeff Kirsher 581f7917c00SJeff Kirsher for (i = 0; i < SGE_QSETS; ++i) 582f7917c00SJeff Kirsher cpus[i] = i; 583f7917c00SJeff Kirsher cpus[SGE_QSETS] = 0xff; /* terminator */ 584f7917c00SJeff Kirsher 585f7917c00SJeff Kirsher for (i = 0; i < RSS_TABLE_SIZE / 2; ++i) { 586f7917c00SJeff Kirsher rspq_map[i] = i % nq0; 587f7917c00SJeff Kirsher rspq_map[i + RSS_TABLE_SIZE / 2] = (i % nq1) + nq0; 588f7917c00SJeff Kirsher } 589f7917c00SJeff Kirsher 590f7917c00SJeff Kirsher t3_config_rss(adap, F_RQFEEDBACKENABLE | F_TNLLKPEN | F_TNLMAPEN | 591f7917c00SJeff Kirsher F_TNLPRTEN | F_TNL2TUPEN | F_TNL4TUPEN | 592f7917c00SJeff Kirsher V_RRCPLCPUSIZE(6) | F_HASHTOEPLITZ, cpus, rspq_map); 593f7917c00SJeff Kirsher } 594f7917c00SJeff Kirsher 595f7917c00SJeff Kirsher static void ring_dbs(struct adapter *adap) 596f7917c00SJeff Kirsher { 597f7917c00SJeff Kirsher int i, j; 598f7917c00SJeff Kirsher 599f7917c00SJeff Kirsher for (i = 0; i < SGE_QSETS; i++) { 600f7917c00SJeff Kirsher struct sge_qset *qs = &adap->sge.qs[i]; 601f7917c00SJeff Kirsher 602f7917c00SJeff Kirsher if (qs->adap) 603f7917c00SJeff Kirsher for (j = 0; j < SGE_TXQ_PER_SET; j++) 604f7917c00SJeff Kirsher t3_write_reg(adap, A_SG_KDOORBELL, F_SELEGRCNTX | V_EGRCNTX(qs->txq[j].cntxt_id)); 605f7917c00SJeff Kirsher } 606f7917c00SJeff Kirsher } 607f7917c00SJeff Kirsher 608f7917c00SJeff Kirsher static void init_napi(struct adapter *adap) 609f7917c00SJeff Kirsher { 610f7917c00SJeff Kirsher int i; 611f7917c00SJeff Kirsher 612f7917c00SJeff Kirsher for (i = 0; i < SGE_QSETS; i++) { 613f7917c00SJeff Kirsher struct sge_qset *qs = &adap->sge.qs[i]; 614f7917c00SJeff Kirsher 615f7917c00SJeff Kirsher if (qs->adap) 616f7917c00SJeff Kirsher netif_napi_add(qs->netdev, &qs->napi, qs->napi.poll, 617f7917c00SJeff Kirsher 64); 618f7917c00SJeff Kirsher } 619f7917c00SJeff Kirsher 620f7917c00SJeff Kirsher /* 621f7917c00SJeff Kirsher * netif_napi_add() can be called only once per napi_struct because it 622f7917c00SJeff Kirsher * adds each new napi_struct to a list. Be careful not to call it a 623f7917c00SJeff Kirsher * second time, e.g., during EEH recovery, by making a note of it. 624f7917c00SJeff Kirsher */ 625f7917c00SJeff Kirsher adap->flags |= NAPI_INIT; 626f7917c00SJeff Kirsher } 627f7917c00SJeff Kirsher 628f7917c00SJeff Kirsher /* 629f7917c00SJeff Kirsher * Wait until all NAPI handlers are descheduled. This includes the handlers of 630f7917c00SJeff Kirsher * both netdevices representing interfaces and the dummy ones for the extra 631f7917c00SJeff Kirsher * queues. 632f7917c00SJeff Kirsher */ 633f7917c00SJeff Kirsher static void quiesce_rx(struct adapter *adap) 634f7917c00SJeff Kirsher { 635f7917c00SJeff Kirsher int i; 636f7917c00SJeff Kirsher 637f7917c00SJeff Kirsher for (i = 0; i < SGE_QSETS; i++) 638f7917c00SJeff Kirsher if (adap->sge.qs[i].adap) 639f7917c00SJeff Kirsher napi_disable(&adap->sge.qs[i].napi); 640f7917c00SJeff Kirsher } 641f7917c00SJeff Kirsher 642f7917c00SJeff Kirsher static void enable_all_napi(struct adapter *adap) 643f7917c00SJeff Kirsher { 644f7917c00SJeff Kirsher int i; 645f7917c00SJeff Kirsher for (i = 0; i < SGE_QSETS; i++) 646f7917c00SJeff Kirsher if (adap->sge.qs[i].adap) 647f7917c00SJeff Kirsher napi_enable(&adap->sge.qs[i].napi); 648f7917c00SJeff Kirsher } 649f7917c00SJeff Kirsher 650f7917c00SJeff Kirsher /** 651f7917c00SJeff Kirsher * setup_sge_qsets - configure SGE Tx/Rx/response queues 652f7917c00SJeff Kirsher * @adap: the adapter 653f7917c00SJeff Kirsher * 654f7917c00SJeff Kirsher * Determines how many sets of SGE queues to use and initializes them. 655f7917c00SJeff Kirsher * We support multiple queue sets per port if we have MSI-X, otherwise 656f7917c00SJeff Kirsher * just one queue set per port. 657f7917c00SJeff Kirsher */ 658f7917c00SJeff Kirsher static int setup_sge_qsets(struct adapter *adap) 659f7917c00SJeff Kirsher { 660f7917c00SJeff Kirsher int i, j, err, irq_idx = 0, qset_idx = 0; 661f7917c00SJeff Kirsher unsigned int ntxq = SGE_TXQ_PER_SET; 662f7917c00SJeff Kirsher 663f7917c00SJeff Kirsher if (adap->params.rev > 0 && !(adap->flags & USING_MSI)) 664f7917c00SJeff Kirsher irq_idx = -1; 665f7917c00SJeff Kirsher 666f7917c00SJeff Kirsher for_each_port(adap, i) { 667f7917c00SJeff Kirsher struct net_device *dev = adap->port[i]; 668f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 669f7917c00SJeff Kirsher 670f7917c00SJeff Kirsher pi->qs = &adap->sge.qs[pi->first_qset]; 671f7917c00SJeff Kirsher for (j = 0; j < pi->nqsets; ++j, ++qset_idx) { 672f7917c00SJeff Kirsher err = t3_sge_alloc_qset(adap, qset_idx, 1, 673f7917c00SJeff Kirsher (adap->flags & USING_MSIX) ? qset_idx + 1 : 674f7917c00SJeff Kirsher irq_idx, 675f7917c00SJeff Kirsher &adap->params.sge.qset[qset_idx], ntxq, dev, 676f7917c00SJeff Kirsher netdev_get_tx_queue(dev, j)); 677f7917c00SJeff Kirsher if (err) { 678f7917c00SJeff Kirsher t3_free_sge_resources(adap); 679f7917c00SJeff Kirsher return err; 680f7917c00SJeff Kirsher } 681f7917c00SJeff Kirsher } 682f7917c00SJeff Kirsher } 683f7917c00SJeff Kirsher 684f7917c00SJeff Kirsher return 0; 685f7917c00SJeff Kirsher } 686f7917c00SJeff Kirsher 687f7917c00SJeff Kirsher static ssize_t attr_show(struct device *d, char *buf, 688f7917c00SJeff Kirsher ssize_t(*format) (struct net_device *, char *)) 689f7917c00SJeff Kirsher { 690f7917c00SJeff Kirsher ssize_t len; 691f7917c00SJeff Kirsher 692f7917c00SJeff Kirsher /* Synchronize with ioctls that may shut down the device */ 693f7917c00SJeff Kirsher rtnl_lock(); 694f7917c00SJeff Kirsher len = (*format) (to_net_dev(d), buf); 695f7917c00SJeff Kirsher rtnl_unlock(); 696f7917c00SJeff Kirsher return len; 697f7917c00SJeff Kirsher } 698f7917c00SJeff Kirsher 699f7917c00SJeff Kirsher static ssize_t attr_store(struct device *d, 700f7917c00SJeff Kirsher const char *buf, size_t len, 701f7917c00SJeff Kirsher ssize_t(*set) (struct net_device *, unsigned int), 702f7917c00SJeff Kirsher unsigned int min_val, unsigned int max_val) 703f7917c00SJeff Kirsher { 704f7917c00SJeff Kirsher char *endp; 705f7917c00SJeff Kirsher ssize_t ret; 706f7917c00SJeff Kirsher unsigned int val; 707f7917c00SJeff Kirsher 708f7917c00SJeff Kirsher if (!capable(CAP_NET_ADMIN)) 709f7917c00SJeff Kirsher return -EPERM; 710f7917c00SJeff Kirsher 711f7917c00SJeff Kirsher val = simple_strtoul(buf, &endp, 0); 712f7917c00SJeff Kirsher if (endp == buf || val < min_val || val > max_val) 713f7917c00SJeff Kirsher return -EINVAL; 714f7917c00SJeff Kirsher 715f7917c00SJeff Kirsher rtnl_lock(); 716f7917c00SJeff Kirsher ret = (*set) (to_net_dev(d), val); 717f7917c00SJeff Kirsher if (!ret) 718f7917c00SJeff Kirsher ret = len; 719f7917c00SJeff Kirsher rtnl_unlock(); 720f7917c00SJeff Kirsher return ret; 721f7917c00SJeff Kirsher } 722f7917c00SJeff Kirsher 723f7917c00SJeff Kirsher #define CXGB3_SHOW(name, val_expr) \ 724f7917c00SJeff Kirsher static ssize_t format_##name(struct net_device *dev, char *buf) \ 725f7917c00SJeff Kirsher { \ 726f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); \ 727f7917c00SJeff Kirsher struct adapter *adap = pi->adapter; \ 728f7917c00SJeff Kirsher return sprintf(buf, "%u\n", val_expr); \ 729f7917c00SJeff Kirsher } \ 730f7917c00SJeff Kirsher static ssize_t show_##name(struct device *d, struct device_attribute *attr, \ 731f7917c00SJeff Kirsher char *buf) \ 732f7917c00SJeff Kirsher { \ 733f7917c00SJeff Kirsher return attr_show(d, buf, format_##name); \ 734f7917c00SJeff Kirsher } 735f7917c00SJeff Kirsher 736f7917c00SJeff Kirsher static ssize_t set_nfilters(struct net_device *dev, unsigned int val) 737f7917c00SJeff Kirsher { 738f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 739f7917c00SJeff Kirsher struct adapter *adap = pi->adapter; 740f7917c00SJeff Kirsher int min_tids = is_offload(adap) ? MC5_MIN_TIDS : 0; 741f7917c00SJeff Kirsher 742f7917c00SJeff Kirsher if (adap->flags & FULL_INIT_DONE) 743f7917c00SJeff Kirsher return -EBUSY; 744f7917c00SJeff Kirsher if (val && adap->params.rev == 0) 745f7917c00SJeff Kirsher return -EINVAL; 746f7917c00SJeff Kirsher if (val > t3_mc5_size(&adap->mc5) - adap->params.mc5.nservers - 747f7917c00SJeff Kirsher min_tids) 748f7917c00SJeff Kirsher return -EINVAL; 749f7917c00SJeff Kirsher adap->params.mc5.nfilters = val; 750f7917c00SJeff Kirsher return 0; 751f7917c00SJeff Kirsher } 752f7917c00SJeff Kirsher 753f7917c00SJeff Kirsher static ssize_t store_nfilters(struct device *d, struct device_attribute *attr, 754f7917c00SJeff Kirsher const char *buf, size_t len) 755f7917c00SJeff Kirsher { 756f7917c00SJeff Kirsher return attr_store(d, buf, len, set_nfilters, 0, ~0); 757f7917c00SJeff Kirsher } 758f7917c00SJeff Kirsher 759f7917c00SJeff Kirsher static ssize_t set_nservers(struct net_device *dev, unsigned int val) 760f7917c00SJeff Kirsher { 761f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 762f7917c00SJeff Kirsher struct adapter *adap = pi->adapter; 763f7917c00SJeff Kirsher 764f7917c00SJeff Kirsher if (adap->flags & FULL_INIT_DONE) 765f7917c00SJeff Kirsher return -EBUSY; 766f7917c00SJeff Kirsher if (val > t3_mc5_size(&adap->mc5) - adap->params.mc5.nfilters - 767f7917c00SJeff Kirsher MC5_MIN_TIDS) 768f7917c00SJeff Kirsher return -EINVAL; 769f7917c00SJeff Kirsher adap->params.mc5.nservers = val; 770f7917c00SJeff Kirsher return 0; 771f7917c00SJeff Kirsher } 772f7917c00SJeff Kirsher 773f7917c00SJeff Kirsher static ssize_t store_nservers(struct device *d, struct device_attribute *attr, 774f7917c00SJeff Kirsher const char *buf, size_t len) 775f7917c00SJeff Kirsher { 776f7917c00SJeff Kirsher return attr_store(d, buf, len, set_nservers, 0, ~0); 777f7917c00SJeff Kirsher } 778f7917c00SJeff Kirsher 779f7917c00SJeff Kirsher #define CXGB3_ATTR_R(name, val_expr) \ 780f7917c00SJeff Kirsher CXGB3_SHOW(name, val_expr) \ 781f7917c00SJeff Kirsher static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) 782f7917c00SJeff Kirsher 783f7917c00SJeff Kirsher #define CXGB3_ATTR_RW(name, val_expr, store_method) \ 784f7917c00SJeff Kirsher CXGB3_SHOW(name, val_expr) \ 785f7917c00SJeff Kirsher static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, show_##name, store_method) 786f7917c00SJeff Kirsher 787f7917c00SJeff Kirsher CXGB3_ATTR_R(cam_size, t3_mc5_size(&adap->mc5)); 788f7917c00SJeff Kirsher CXGB3_ATTR_RW(nfilters, adap->params.mc5.nfilters, store_nfilters); 789f7917c00SJeff Kirsher CXGB3_ATTR_RW(nservers, adap->params.mc5.nservers, store_nservers); 790f7917c00SJeff Kirsher 791f7917c00SJeff Kirsher static struct attribute *cxgb3_attrs[] = { 792f7917c00SJeff Kirsher &dev_attr_cam_size.attr, 793f7917c00SJeff Kirsher &dev_attr_nfilters.attr, 794f7917c00SJeff Kirsher &dev_attr_nservers.attr, 795f7917c00SJeff Kirsher NULL 796f7917c00SJeff Kirsher }; 797f7917c00SJeff Kirsher 798f7917c00SJeff Kirsher static struct attribute_group cxgb3_attr_group = {.attrs = cxgb3_attrs }; 799f7917c00SJeff Kirsher 800f7917c00SJeff Kirsher static ssize_t tm_attr_show(struct device *d, 801f7917c00SJeff Kirsher char *buf, int sched) 802f7917c00SJeff Kirsher { 803f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(to_net_dev(d)); 804f7917c00SJeff Kirsher struct adapter *adap = pi->adapter; 805f7917c00SJeff Kirsher unsigned int v, addr, bpt, cpt; 806f7917c00SJeff Kirsher ssize_t len; 807f7917c00SJeff Kirsher 808f7917c00SJeff Kirsher addr = A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2; 809f7917c00SJeff Kirsher rtnl_lock(); 810f7917c00SJeff Kirsher t3_write_reg(adap, A_TP_TM_PIO_ADDR, addr); 811f7917c00SJeff Kirsher v = t3_read_reg(adap, A_TP_TM_PIO_DATA); 812f7917c00SJeff Kirsher if (sched & 1) 813f7917c00SJeff Kirsher v >>= 16; 814f7917c00SJeff Kirsher bpt = (v >> 8) & 0xff; 815f7917c00SJeff Kirsher cpt = v & 0xff; 816f7917c00SJeff Kirsher if (!cpt) 817f7917c00SJeff Kirsher len = sprintf(buf, "disabled\n"); 818f7917c00SJeff Kirsher else { 819f7917c00SJeff Kirsher v = (adap->params.vpd.cclk * 1000) / cpt; 820f7917c00SJeff Kirsher len = sprintf(buf, "%u Kbps\n", (v * bpt) / 125); 821f7917c00SJeff Kirsher } 822f7917c00SJeff Kirsher rtnl_unlock(); 823f7917c00SJeff Kirsher return len; 824f7917c00SJeff Kirsher } 825f7917c00SJeff Kirsher 826f7917c00SJeff Kirsher static ssize_t tm_attr_store(struct device *d, 827f7917c00SJeff Kirsher const char *buf, size_t len, int sched) 828f7917c00SJeff Kirsher { 829f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(to_net_dev(d)); 830f7917c00SJeff Kirsher struct adapter *adap = pi->adapter; 831f7917c00SJeff Kirsher unsigned int val; 832f7917c00SJeff Kirsher char *endp; 833f7917c00SJeff Kirsher ssize_t ret; 834f7917c00SJeff Kirsher 835f7917c00SJeff Kirsher if (!capable(CAP_NET_ADMIN)) 836f7917c00SJeff Kirsher return -EPERM; 837f7917c00SJeff Kirsher 838f7917c00SJeff Kirsher val = simple_strtoul(buf, &endp, 0); 839f7917c00SJeff Kirsher if (endp == buf || val > 10000000) 840f7917c00SJeff Kirsher return -EINVAL; 841f7917c00SJeff Kirsher 842f7917c00SJeff Kirsher rtnl_lock(); 843f7917c00SJeff Kirsher ret = t3_config_sched(adap, val, sched); 844f7917c00SJeff Kirsher if (!ret) 845f7917c00SJeff Kirsher ret = len; 846f7917c00SJeff Kirsher rtnl_unlock(); 847f7917c00SJeff Kirsher return ret; 848f7917c00SJeff Kirsher } 849f7917c00SJeff Kirsher 850f7917c00SJeff Kirsher #define TM_ATTR(name, sched) \ 851f7917c00SJeff Kirsher static ssize_t show_##name(struct device *d, struct device_attribute *attr, \ 852f7917c00SJeff Kirsher char *buf) \ 853f7917c00SJeff Kirsher { \ 854f7917c00SJeff Kirsher return tm_attr_show(d, buf, sched); \ 855f7917c00SJeff Kirsher } \ 856f7917c00SJeff Kirsher static ssize_t store_##name(struct device *d, struct device_attribute *attr, \ 857f7917c00SJeff Kirsher const char *buf, size_t len) \ 858f7917c00SJeff Kirsher { \ 859f7917c00SJeff Kirsher return tm_attr_store(d, buf, len, sched); \ 860f7917c00SJeff Kirsher } \ 861f7917c00SJeff Kirsher static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, show_##name, store_##name) 862f7917c00SJeff Kirsher 863f7917c00SJeff Kirsher TM_ATTR(sched0, 0); 864f7917c00SJeff Kirsher TM_ATTR(sched1, 1); 865f7917c00SJeff Kirsher TM_ATTR(sched2, 2); 866f7917c00SJeff Kirsher TM_ATTR(sched3, 3); 867f7917c00SJeff Kirsher TM_ATTR(sched4, 4); 868f7917c00SJeff Kirsher TM_ATTR(sched5, 5); 869f7917c00SJeff Kirsher TM_ATTR(sched6, 6); 870f7917c00SJeff Kirsher TM_ATTR(sched7, 7); 871f7917c00SJeff Kirsher 872f7917c00SJeff Kirsher static struct attribute *offload_attrs[] = { 873f7917c00SJeff Kirsher &dev_attr_sched0.attr, 874f7917c00SJeff Kirsher &dev_attr_sched1.attr, 875f7917c00SJeff Kirsher &dev_attr_sched2.attr, 876f7917c00SJeff Kirsher &dev_attr_sched3.attr, 877f7917c00SJeff Kirsher &dev_attr_sched4.attr, 878f7917c00SJeff Kirsher &dev_attr_sched5.attr, 879f7917c00SJeff Kirsher &dev_attr_sched6.attr, 880f7917c00SJeff Kirsher &dev_attr_sched7.attr, 881f7917c00SJeff Kirsher NULL 882f7917c00SJeff Kirsher }; 883f7917c00SJeff Kirsher 884f7917c00SJeff Kirsher static struct attribute_group offload_attr_group = {.attrs = offload_attrs }; 885f7917c00SJeff Kirsher 886f7917c00SJeff Kirsher /* 887f7917c00SJeff Kirsher * Sends an sk_buff to an offload queue driver 888f7917c00SJeff Kirsher * after dealing with any active network taps. 889f7917c00SJeff Kirsher */ 890f7917c00SJeff Kirsher static inline int offload_tx(struct t3cdev *tdev, struct sk_buff *skb) 891f7917c00SJeff Kirsher { 892f7917c00SJeff Kirsher int ret; 893f7917c00SJeff Kirsher 894f7917c00SJeff Kirsher local_bh_disable(); 895f7917c00SJeff Kirsher ret = t3_offload_tx(tdev, skb); 896f7917c00SJeff Kirsher local_bh_enable(); 897f7917c00SJeff Kirsher return ret; 898f7917c00SJeff Kirsher } 899f7917c00SJeff Kirsher 900f7917c00SJeff Kirsher static int write_smt_entry(struct adapter *adapter, int idx) 901f7917c00SJeff Kirsher { 902f7917c00SJeff Kirsher struct cpl_smt_write_req *req; 903f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(adapter->port[idx]); 904f7917c00SJeff Kirsher struct sk_buff *skb = alloc_skb(sizeof(*req), GFP_KERNEL); 905f7917c00SJeff Kirsher 906f7917c00SJeff Kirsher if (!skb) 907f7917c00SJeff Kirsher return -ENOMEM; 908f7917c00SJeff Kirsher 909f7917c00SJeff Kirsher req = (struct cpl_smt_write_req *)__skb_put(skb, sizeof(*req)); 910f7917c00SJeff Kirsher req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); 911f7917c00SJeff Kirsher OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, idx)); 912f7917c00SJeff Kirsher req->mtu_idx = NMTUS - 1; /* should be 0 but there's a T3 bug */ 913f7917c00SJeff Kirsher req->iff = idx; 914f7917c00SJeff Kirsher memcpy(req->src_mac0, adapter->port[idx]->dev_addr, ETH_ALEN); 915f7917c00SJeff Kirsher memcpy(req->src_mac1, pi->iscsic.mac_addr, ETH_ALEN); 916f7917c00SJeff Kirsher skb->priority = 1; 917f7917c00SJeff Kirsher offload_tx(&adapter->tdev, skb); 918f7917c00SJeff Kirsher return 0; 919f7917c00SJeff Kirsher } 920f7917c00SJeff Kirsher 921f7917c00SJeff Kirsher static int init_smt(struct adapter *adapter) 922f7917c00SJeff Kirsher { 923f7917c00SJeff Kirsher int i; 924f7917c00SJeff Kirsher 925f7917c00SJeff Kirsher for_each_port(adapter, i) 926f7917c00SJeff Kirsher write_smt_entry(adapter, i); 927f7917c00SJeff Kirsher return 0; 928f7917c00SJeff Kirsher } 929f7917c00SJeff Kirsher 930f7917c00SJeff Kirsher static void init_port_mtus(struct adapter *adapter) 931f7917c00SJeff Kirsher { 932f7917c00SJeff Kirsher unsigned int mtus = adapter->port[0]->mtu; 933f7917c00SJeff Kirsher 934f7917c00SJeff Kirsher if (adapter->port[1]) 935f7917c00SJeff Kirsher mtus |= adapter->port[1]->mtu << 16; 936f7917c00SJeff Kirsher t3_write_reg(adapter, A_TP_MTU_PORT_TABLE, mtus); 937f7917c00SJeff Kirsher } 938f7917c00SJeff Kirsher 939f7917c00SJeff Kirsher static int send_pktsched_cmd(struct adapter *adap, int sched, int qidx, int lo, 940f7917c00SJeff Kirsher int hi, int port) 941f7917c00SJeff Kirsher { 942f7917c00SJeff Kirsher struct sk_buff *skb; 943f7917c00SJeff Kirsher struct mngt_pktsched_wr *req; 944f7917c00SJeff Kirsher int ret; 945f7917c00SJeff Kirsher 946f7917c00SJeff Kirsher skb = alloc_skb(sizeof(*req), GFP_KERNEL); 947f7917c00SJeff Kirsher if (!skb) 948f7917c00SJeff Kirsher skb = adap->nofail_skb; 949f7917c00SJeff Kirsher if (!skb) 950f7917c00SJeff Kirsher return -ENOMEM; 951f7917c00SJeff Kirsher 952f7917c00SJeff Kirsher req = (struct mngt_pktsched_wr *)skb_put(skb, sizeof(*req)); 953f7917c00SJeff Kirsher req->wr_hi = htonl(V_WR_OP(FW_WROPCODE_MNGT)); 954f7917c00SJeff Kirsher req->mngt_opcode = FW_MNGTOPCODE_PKTSCHED_SET; 955f7917c00SJeff Kirsher req->sched = sched; 956f7917c00SJeff Kirsher req->idx = qidx; 957f7917c00SJeff Kirsher req->min = lo; 958f7917c00SJeff Kirsher req->max = hi; 959f7917c00SJeff Kirsher req->binding = port; 960f7917c00SJeff Kirsher ret = t3_mgmt_tx(adap, skb); 961f7917c00SJeff Kirsher if (skb == adap->nofail_skb) { 962f7917c00SJeff Kirsher adap->nofail_skb = alloc_skb(sizeof(struct cpl_set_tcb_field), 963f7917c00SJeff Kirsher GFP_KERNEL); 964f7917c00SJeff Kirsher if (!adap->nofail_skb) 965f7917c00SJeff Kirsher ret = -ENOMEM; 966f7917c00SJeff Kirsher } 967f7917c00SJeff Kirsher 968f7917c00SJeff Kirsher return ret; 969f7917c00SJeff Kirsher } 970f7917c00SJeff Kirsher 971f7917c00SJeff Kirsher static int bind_qsets(struct adapter *adap) 972f7917c00SJeff Kirsher { 973f7917c00SJeff Kirsher int i, j, err = 0; 974f7917c00SJeff Kirsher 975f7917c00SJeff Kirsher for_each_port(adap, i) { 976f7917c00SJeff Kirsher const struct port_info *pi = adap2pinfo(adap, i); 977f7917c00SJeff Kirsher 978f7917c00SJeff Kirsher for (j = 0; j < pi->nqsets; ++j) { 979f7917c00SJeff Kirsher int ret = send_pktsched_cmd(adap, 1, 980f7917c00SJeff Kirsher pi->first_qset + j, -1, 981f7917c00SJeff Kirsher -1, i); 982f7917c00SJeff Kirsher if (ret) 983f7917c00SJeff Kirsher err = ret; 984f7917c00SJeff Kirsher } 985f7917c00SJeff Kirsher } 986f7917c00SJeff Kirsher 987f7917c00SJeff Kirsher return err; 988f7917c00SJeff Kirsher } 989f7917c00SJeff Kirsher 990f7917c00SJeff Kirsher #define FW_VERSION __stringify(FW_VERSION_MAJOR) "." \ 991f7917c00SJeff Kirsher __stringify(FW_VERSION_MINOR) "." __stringify(FW_VERSION_MICRO) 992f7917c00SJeff Kirsher #define FW_FNAME "cxgb3/t3fw-" FW_VERSION ".bin" 993f7917c00SJeff Kirsher #define TPSRAM_VERSION __stringify(TP_VERSION_MAJOR) "." \ 994f7917c00SJeff Kirsher __stringify(TP_VERSION_MINOR) "." __stringify(TP_VERSION_MICRO) 995f7917c00SJeff Kirsher #define TPSRAM_NAME "cxgb3/t3%c_psram-" TPSRAM_VERSION ".bin" 996f7917c00SJeff Kirsher #define AEL2005_OPT_EDC_NAME "cxgb3/ael2005_opt_edc.bin" 997f7917c00SJeff Kirsher #define AEL2005_TWX_EDC_NAME "cxgb3/ael2005_twx_edc.bin" 998f7917c00SJeff Kirsher #define AEL2020_TWX_EDC_NAME "cxgb3/ael2020_twx_edc.bin" 999f7917c00SJeff Kirsher MODULE_FIRMWARE(FW_FNAME); 1000f7917c00SJeff Kirsher MODULE_FIRMWARE("cxgb3/t3b_psram-" TPSRAM_VERSION ".bin"); 1001f7917c00SJeff Kirsher MODULE_FIRMWARE("cxgb3/t3c_psram-" TPSRAM_VERSION ".bin"); 1002f7917c00SJeff Kirsher MODULE_FIRMWARE(AEL2005_OPT_EDC_NAME); 1003f7917c00SJeff Kirsher MODULE_FIRMWARE(AEL2005_TWX_EDC_NAME); 1004f7917c00SJeff Kirsher MODULE_FIRMWARE(AEL2020_TWX_EDC_NAME); 1005f7917c00SJeff Kirsher 1006f7917c00SJeff Kirsher static inline const char *get_edc_fw_name(int edc_idx) 1007f7917c00SJeff Kirsher { 1008f7917c00SJeff Kirsher const char *fw_name = NULL; 1009f7917c00SJeff Kirsher 1010f7917c00SJeff Kirsher switch (edc_idx) { 1011f7917c00SJeff Kirsher case EDC_OPT_AEL2005: 1012f7917c00SJeff Kirsher fw_name = AEL2005_OPT_EDC_NAME; 1013f7917c00SJeff Kirsher break; 1014f7917c00SJeff Kirsher case EDC_TWX_AEL2005: 1015f7917c00SJeff Kirsher fw_name = AEL2005_TWX_EDC_NAME; 1016f7917c00SJeff Kirsher break; 1017f7917c00SJeff Kirsher case EDC_TWX_AEL2020: 1018f7917c00SJeff Kirsher fw_name = AEL2020_TWX_EDC_NAME; 1019f7917c00SJeff Kirsher break; 1020f7917c00SJeff Kirsher } 1021f7917c00SJeff Kirsher return fw_name; 1022f7917c00SJeff Kirsher } 1023f7917c00SJeff Kirsher 1024f7917c00SJeff Kirsher int t3_get_edc_fw(struct cphy *phy, int edc_idx, int size) 1025f7917c00SJeff Kirsher { 1026f7917c00SJeff Kirsher struct adapter *adapter = phy->adapter; 1027f7917c00SJeff Kirsher const struct firmware *fw; 1028f7917c00SJeff Kirsher char buf[64]; 1029f7917c00SJeff Kirsher u32 csum; 1030f7917c00SJeff Kirsher const __be32 *p; 1031f7917c00SJeff Kirsher u16 *cache = phy->phy_cache; 1032f7917c00SJeff Kirsher int i, ret; 1033f7917c00SJeff Kirsher 1034f7917c00SJeff Kirsher snprintf(buf, sizeof(buf), get_edc_fw_name(edc_idx)); 1035f7917c00SJeff Kirsher 1036f7917c00SJeff Kirsher ret = request_firmware(&fw, buf, &adapter->pdev->dev); 1037f7917c00SJeff Kirsher if (ret < 0) { 1038f7917c00SJeff Kirsher dev_err(&adapter->pdev->dev, 1039f7917c00SJeff Kirsher "could not upgrade firmware: unable to load %s\n", 1040f7917c00SJeff Kirsher buf); 1041f7917c00SJeff Kirsher return ret; 1042f7917c00SJeff Kirsher } 1043f7917c00SJeff Kirsher 1044f7917c00SJeff Kirsher /* check size, take checksum in account */ 1045f7917c00SJeff Kirsher if (fw->size > size + 4) { 1046f7917c00SJeff Kirsher CH_ERR(adapter, "firmware image too large %u, expected %d\n", 1047f7917c00SJeff Kirsher (unsigned int)fw->size, size + 4); 1048f7917c00SJeff Kirsher ret = -EINVAL; 1049f7917c00SJeff Kirsher } 1050f7917c00SJeff Kirsher 1051f7917c00SJeff Kirsher /* compute checksum */ 1052f7917c00SJeff Kirsher p = (const __be32 *)fw->data; 1053f7917c00SJeff Kirsher for (csum = 0, i = 0; i < fw->size / sizeof(csum); i++) 1054f7917c00SJeff Kirsher csum += ntohl(p[i]); 1055f7917c00SJeff Kirsher 1056f7917c00SJeff Kirsher if (csum != 0xffffffff) { 1057f7917c00SJeff Kirsher CH_ERR(adapter, "corrupted firmware image, checksum %u\n", 1058f7917c00SJeff Kirsher csum); 1059f7917c00SJeff Kirsher ret = -EINVAL; 1060f7917c00SJeff Kirsher } 1061f7917c00SJeff Kirsher 1062f7917c00SJeff Kirsher for (i = 0; i < size / 4 ; i++) { 1063f7917c00SJeff Kirsher *cache++ = (be32_to_cpu(p[i]) & 0xffff0000) >> 16; 1064f7917c00SJeff Kirsher *cache++ = be32_to_cpu(p[i]) & 0xffff; 1065f7917c00SJeff Kirsher } 1066f7917c00SJeff Kirsher 1067f7917c00SJeff Kirsher release_firmware(fw); 1068f7917c00SJeff Kirsher 1069f7917c00SJeff Kirsher return ret; 1070f7917c00SJeff Kirsher } 1071f7917c00SJeff Kirsher 1072f7917c00SJeff Kirsher static int upgrade_fw(struct adapter *adap) 1073f7917c00SJeff Kirsher { 1074f7917c00SJeff Kirsher int ret; 1075f7917c00SJeff Kirsher const struct firmware *fw; 1076f7917c00SJeff Kirsher struct device *dev = &adap->pdev->dev; 1077f7917c00SJeff Kirsher 1078f7917c00SJeff Kirsher ret = request_firmware(&fw, FW_FNAME, dev); 1079f7917c00SJeff Kirsher if (ret < 0) { 1080f7917c00SJeff Kirsher dev_err(dev, "could not upgrade firmware: unable to load %s\n", 1081f7917c00SJeff Kirsher FW_FNAME); 1082f7917c00SJeff Kirsher return ret; 1083f7917c00SJeff Kirsher } 1084f7917c00SJeff Kirsher ret = t3_load_fw(adap, fw->data, fw->size); 1085f7917c00SJeff Kirsher release_firmware(fw); 1086f7917c00SJeff Kirsher 1087f7917c00SJeff Kirsher if (ret == 0) 1088f7917c00SJeff Kirsher dev_info(dev, "successful upgrade to firmware %d.%d.%d\n", 1089f7917c00SJeff Kirsher FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_MICRO); 1090f7917c00SJeff Kirsher else 1091f7917c00SJeff Kirsher dev_err(dev, "failed to upgrade to firmware %d.%d.%d\n", 1092f7917c00SJeff Kirsher FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_MICRO); 1093f7917c00SJeff Kirsher 1094f7917c00SJeff Kirsher return ret; 1095f7917c00SJeff Kirsher } 1096f7917c00SJeff Kirsher 1097f7917c00SJeff Kirsher static inline char t3rev2char(struct adapter *adapter) 1098f7917c00SJeff Kirsher { 1099f7917c00SJeff Kirsher char rev = 0; 1100f7917c00SJeff Kirsher 1101f7917c00SJeff Kirsher switch(adapter->params.rev) { 1102f7917c00SJeff Kirsher case T3_REV_B: 1103f7917c00SJeff Kirsher case T3_REV_B2: 1104f7917c00SJeff Kirsher rev = 'b'; 1105f7917c00SJeff Kirsher break; 1106f7917c00SJeff Kirsher case T3_REV_C: 1107f7917c00SJeff Kirsher rev = 'c'; 1108f7917c00SJeff Kirsher break; 1109f7917c00SJeff Kirsher } 1110f7917c00SJeff Kirsher return rev; 1111f7917c00SJeff Kirsher } 1112f7917c00SJeff Kirsher 1113f7917c00SJeff Kirsher static int update_tpsram(struct adapter *adap) 1114f7917c00SJeff Kirsher { 1115f7917c00SJeff Kirsher const struct firmware *tpsram; 1116f7917c00SJeff Kirsher char buf[64]; 1117f7917c00SJeff Kirsher struct device *dev = &adap->pdev->dev; 1118f7917c00SJeff Kirsher int ret; 1119f7917c00SJeff Kirsher char rev; 1120f7917c00SJeff Kirsher 1121f7917c00SJeff Kirsher rev = t3rev2char(adap); 1122f7917c00SJeff Kirsher if (!rev) 1123f7917c00SJeff Kirsher return 0; 1124f7917c00SJeff Kirsher 1125f7917c00SJeff Kirsher snprintf(buf, sizeof(buf), TPSRAM_NAME, rev); 1126f7917c00SJeff Kirsher 1127f7917c00SJeff Kirsher ret = request_firmware(&tpsram, buf, dev); 1128f7917c00SJeff Kirsher if (ret < 0) { 1129f7917c00SJeff Kirsher dev_err(dev, "could not load TP SRAM: unable to load %s\n", 1130f7917c00SJeff Kirsher buf); 1131f7917c00SJeff Kirsher return ret; 1132f7917c00SJeff Kirsher } 1133f7917c00SJeff Kirsher 1134f7917c00SJeff Kirsher ret = t3_check_tpsram(adap, tpsram->data, tpsram->size); 1135f7917c00SJeff Kirsher if (ret) 1136f7917c00SJeff Kirsher goto release_tpsram; 1137f7917c00SJeff Kirsher 1138f7917c00SJeff Kirsher ret = t3_set_proto_sram(adap, tpsram->data); 1139f7917c00SJeff Kirsher if (ret == 0) 1140f7917c00SJeff Kirsher dev_info(dev, 1141f7917c00SJeff Kirsher "successful update of protocol engine " 1142f7917c00SJeff Kirsher "to %d.%d.%d\n", 1143f7917c00SJeff Kirsher TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); 1144f7917c00SJeff Kirsher else 1145f7917c00SJeff Kirsher dev_err(dev, "failed to update of protocol engine %d.%d.%d\n", 1146f7917c00SJeff Kirsher TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); 1147f7917c00SJeff Kirsher if (ret) 1148f7917c00SJeff Kirsher dev_err(dev, "loading protocol SRAM failed\n"); 1149f7917c00SJeff Kirsher 1150f7917c00SJeff Kirsher release_tpsram: 1151f7917c00SJeff Kirsher release_firmware(tpsram); 1152f7917c00SJeff Kirsher 1153f7917c00SJeff Kirsher return ret; 1154f7917c00SJeff Kirsher } 1155f7917c00SJeff Kirsher 1156f7917c00SJeff Kirsher /** 115760158e64SRoland Dreier * t3_synchronize_rx - wait for current Rx processing on a port to complete 115860158e64SRoland Dreier * @adap: the adapter 115960158e64SRoland Dreier * @p: the port 116060158e64SRoland Dreier * 116160158e64SRoland Dreier * Ensures that current Rx processing on any of the queues associated with 116260158e64SRoland Dreier * the given port completes before returning. We do this by acquiring and 116360158e64SRoland Dreier * releasing the locks of the response queues associated with the port. 116460158e64SRoland Dreier */ 116560158e64SRoland Dreier static void t3_synchronize_rx(struct adapter *adap, const struct port_info *p) 116660158e64SRoland Dreier { 116760158e64SRoland Dreier int i; 116860158e64SRoland Dreier 116960158e64SRoland Dreier for (i = p->first_qset; i < p->first_qset + p->nqsets; i++) { 117060158e64SRoland Dreier struct sge_rspq *q = &adap->sge.qs[i].rspq; 117160158e64SRoland Dreier 117260158e64SRoland Dreier spin_lock_irq(&q->lock); 117360158e64SRoland Dreier spin_unlock_irq(&q->lock); 117460158e64SRoland Dreier } 117560158e64SRoland Dreier } 117660158e64SRoland Dreier 117760158e64SRoland Dreier static void cxgb_vlan_mode(struct net_device *dev, netdev_features_t features) 117860158e64SRoland Dreier { 117960158e64SRoland Dreier struct port_info *pi = netdev_priv(dev); 118060158e64SRoland Dreier struct adapter *adapter = pi->adapter; 118160158e64SRoland Dreier 118260158e64SRoland Dreier if (adapter->params.rev > 0) { 118360158e64SRoland Dreier t3_set_vlan_accel(adapter, 1 << pi->port_id, 1184f646968fSPatrick McHardy features & NETIF_F_HW_VLAN_CTAG_RX); 118560158e64SRoland Dreier } else { 118660158e64SRoland Dreier /* single control for all ports */ 1187f646968fSPatrick McHardy unsigned int i, have_vlans = features & NETIF_F_HW_VLAN_CTAG_RX; 118860158e64SRoland Dreier 118960158e64SRoland Dreier for_each_port(adapter, i) 119060158e64SRoland Dreier have_vlans |= 1191f646968fSPatrick McHardy adapter->port[i]->features & 1192f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_RX; 119360158e64SRoland Dreier 119460158e64SRoland Dreier t3_set_vlan_accel(adapter, 1, have_vlans); 119560158e64SRoland Dreier } 119660158e64SRoland Dreier t3_synchronize_rx(adapter, pi); 119760158e64SRoland Dreier } 119860158e64SRoland Dreier 119960158e64SRoland Dreier /** 1200f7917c00SJeff Kirsher * cxgb_up - enable the adapter 1201f7917c00SJeff Kirsher * @adapter: adapter being enabled 1202f7917c00SJeff Kirsher * 1203f7917c00SJeff Kirsher * Called when the first port is enabled, this function performs the 1204f7917c00SJeff Kirsher * actions necessary to make an adapter operational, such as completing 1205f7917c00SJeff Kirsher * the initialization of HW modules, and enabling interrupts. 1206f7917c00SJeff Kirsher * 1207f7917c00SJeff Kirsher * Must be called with the rtnl lock held. 1208f7917c00SJeff Kirsher */ 1209f7917c00SJeff Kirsher static int cxgb_up(struct adapter *adap) 1210f7917c00SJeff Kirsher { 121160158e64SRoland Dreier int i, err; 1212f7917c00SJeff Kirsher 1213f7917c00SJeff Kirsher if (!(adap->flags & FULL_INIT_DONE)) { 1214f7917c00SJeff Kirsher err = t3_check_fw_version(adap); 1215f7917c00SJeff Kirsher if (err == -EINVAL) { 1216f7917c00SJeff Kirsher err = upgrade_fw(adap); 1217f7917c00SJeff Kirsher CH_WARN(adap, "FW upgrade to %d.%d.%d %s\n", 1218f7917c00SJeff Kirsher FW_VERSION_MAJOR, FW_VERSION_MINOR, 1219f7917c00SJeff Kirsher FW_VERSION_MICRO, err ? "failed" : "succeeded"); 1220f7917c00SJeff Kirsher } 1221f7917c00SJeff Kirsher 1222f7917c00SJeff Kirsher err = t3_check_tpsram_version(adap); 1223f7917c00SJeff Kirsher if (err == -EINVAL) { 1224f7917c00SJeff Kirsher err = update_tpsram(adap); 1225f7917c00SJeff Kirsher CH_WARN(adap, "TP upgrade to %d.%d.%d %s\n", 1226f7917c00SJeff Kirsher TP_VERSION_MAJOR, TP_VERSION_MINOR, 1227f7917c00SJeff Kirsher TP_VERSION_MICRO, err ? "failed" : "succeeded"); 1228f7917c00SJeff Kirsher } 1229f7917c00SJeff Kirsher 1230f7917c00SJeff Kirsher /* 1231f7917c00SJeff Kirsher * Clear interrupts now to catch errors if t3_init_hw fails. 1232f7917c00SJeff Kirsher * We clear them again later as initialization may trigger 1233f7917c00SJeff Kirsher * conditions that can interrupt. 1234f7917c00SJeff Kirsher */ 1235f7917c00SJeff Kirsher t3_intr_clear(adap); 1236f7917c00SJeff Kirsher 1237f7917c00SJeff Kirsher err = t3_init_hw(adap, 0); 1238f7917c00SJeff Kirsher if (err) 1239f7917c00SJeff Kirsher goto out; 1240f7917c00SJeff Kirsher 1241f7917c00SJeff Kirsher t3_set_reg_field(adap, A_TP_PARA_REG5, 0, F_RXDDPOFFINIT); 1242f7917c00SJeff Kirsher t3_write_reg(adap, A_ULPRX_TDDP_PSZ, V_HPZ0(PAGE_SHIFT - 12)); 1243f7917c00SJeff Kirsher 1244f7917c00SJeff Kirsher err = setup_sge_qsets(adap); 1245f7917c00SJeff Kirsher if (err) 1246f7917c00SJeff Kirsher goto out; 1247f7917c00SJeff Kirsher 124860158e64SRoland Dreier for_each_port(adap, i) 124960158e64SRoland Dreier cxgb_vlan_mode(adap->port[i], adap->port[i]->features); 125060158e64SRoland Dreier 1251f7917c00SJeff Kirsher setup_rss(adap); 1252f7917c00SJeff Kirsher if (!(adap->flags & NAPI_INIT)) 1253f7917c00SJeff Kirsher init_napi(adap); 1254f7917c00SJeff Kirsher 1255f7917c00SJeff Kirsher t3_start_sge_timers(adap); 1256f7917c00SJeff Kirsher adap->flags |= FULL_INIT_DONE; 1257f7917c00SJeff Kirsher } 1258f7917c00SJeff Kirsher 1259f7917c00SJeff Kirsher t3_intr_clear(adap); 1260f7917c00SJeff Kirsher 1261f7917c00SJeff Kirsher if (adap->flags & USING_MSIX) { 1262f7917c00SJeff Kirsher name_msix_vecs(adap); 1263f7917c00SJeff Kirsher err = request_irq(adap->msix_info[0].vec, 1264f7917c00SJeff Kirsher t3_async_intr_handler, 0, 1265f7917c00SJeff Kirsher adap->msix_info[0].desc, adap); 1266f7917c00SJeff Kirsher if (err) 1267f7917c00SJeff Kirsher goto irq_err; 1268f7917c00SJeff Kirsher 1269f7917c00SJeff Kirsher err = request_msix_data_irqs(adap); 1270f7917c00SJeff Kirsher if (err) { 1271f7917c00SJeff Kirsher free_irq(adap->msix_info[0].vec, adap); 1272f7917c00SJeff Kirsher goto irq_err; 1273f7917c00SJeff Kirsher } 1274f7917c00SJeff Kirsher } else if ((err = request_irq(adap->pdev->irq, 1275f7917c00SJeff Kirsher t3_intr_handler(adap, 1276f7917c00SJeff Kirsher adap->sge.qs[0].rspq. 1277f7917c00SJeff Kirsher polling), 1278f7917c00SJeff Kirsher (adap->flags & USING_MSI) ? 1279f7917c00SJeff Kirsher 0 : IRQF_SHARED, 1280f7917c00SJeff Kirsher adap->name, adap))) 1281f7917c00SJeff Kirsher goto irq_err; 1282f7917c00SJeff Kirsher 1283f7917c00SJeff Kirsher enable_all_napi(adap); 1284f7917c00SJeff Kirsher t3_sge_start(adap); 1285f7917c00SJeff Kirsher t3_intr_enable(adap); 1286f7917c00SJeff Kirsher 1287f7917c00SJeff Kirsher if (adap->params.rev >= T3_REV_C && !(adap->flags & TP_PARITY_INIT) && 1288f7917c00SJeff Kirsher is_offload(adap) && init_tp_parity(adap) == 0) 1289f7917c00SJeff Kirsher adap->flags |= TP_PARITY_INIT; 1290f7917c00SJeff Kirsher 1291f7917c00SJeff Kirsher if (adap->flags & TP_PARITY_INIT) { 1292f7917c00SJeff Kirsher t3_write_reg(adap, A_TP_INT_CAUSE, 1293f7917c00SJeff Kirsher F_CMCACHEPERR | F_ARPLUTPERR); 1294f7917c00SJeff Kirsher t3_write_reg(adap, A_TP_INT_ENABLE, 0x7fbfffff); 1295f7917c00SJeff Kirsher } 1296f7917c00SJeff Kirsher 1297f7917c00SJeff Kirsher if (!(adap->flags & QUEUES_BOUND)) { 1298f7917c00SJeff Kirsher int ret = bind_qsets(adap); 1299f7917c00SJeff Kirsher 1300f7917c00SJeff Kirsher if (ret < 0) { 1301f7917c00SJeff Kirsher CH_ERR(adap, "failed to bind qsets, err %d\n", ret); 1302f7917c00SJeff Kirsher t3_intr_disable(adap); 1303f7917c00SJeff Kirsher free_irq_resources(adap); 1304f7917c00SJeff Kirsher err = ret; 1305f7917c00SJeff Kirsher goto out; 1306f7917c00SJeff Kirsher } 1307f7917c00SJeff Kirsher adap->flags |= QUEUES_BOUND; 1308f7917c00SJeff Kirsher } 1309f7917c00SJeff Kirsher 1310f7917c00SJeff Kirsher out: 1311f7917c00SJeff Kirsher return err; 1312f7917c00SJeff Kirsher irq_err: 1313f7917c00SJeff Kirsher CH_ERR(adap, "request_irq failed, err %d\n", err); 1314f7917c00SJeff Kirsher goto out; 1315f7917c00SJeff Kirsher } 1316f7917c00SJeff Kirsher 1317f7917c00SJeff Kirsher /* 1318f7917c00SJeff Kirsher * Release resources when all the ports and offloading have been stopped. 1319f7917c00SJeff Kirsher */ 1320f7917c00SJeff Kirsher static void cxgb_down(struct adapter *adapter, int on_wq) 1321f7917c00SJeff Kirsher { 1322f7917c00SJeff Kirsher t3_sge_stop(adapter); 1323f7917c00SJeff Kirsher spin_lock_irq(&adapter->work_lock); /* sync with PHY intr task */ 1324f7917c00SJeff Kirsher t3_intr_disable(adapter); 1325f7917c00SJeff Kirsher spin_unlock_irq(&adapter->work_lock); 1326f7917c00SJeff Kirsher 1327f7917c00SJeff Kirsher free_irq_resources(adapter); 1328f7917c00SJeff Kirsher quiesce_rx(adapter); 1329f7917c00SJeff Kirsher t3_sge_stop(adapter); 1330f7917c00SJeff Kirsher if (!on_wq) 1331f7917c00SJeff Kirsher flush_workqueue(cxgb3_wq);/* wait for external IRQ handler */ 1332f7917c00SJeff Kirsher } 1333f7917c00SJeff Kirsher 1334f7917c00SJeff Kirsher static void schedule_chk_task(struct adapter *adap) 1335f7917c00SJeff Kirsher { 1336f7917c00SJeff Kirsher unsigned int timeo; 1337f7917c00SJeff Kirsher 1338f7917c00SJeff Kirsher timeo = adap->params.linkpoll_period ? 1339f7917c00SJeff Kirsher (HZ * adap->params.linkpoll_period) / 10 : 1340f7917c00SJeff Kirsher adap->params.stats_update_period * HZ; 1341f7917c00SJeff Kirsher if (timeo) 1342f7917c00SJeff Kirsher queue_delayed_work(cxgb3_wq, &adap->adap_check_task, timeo); 1343f7917c00SJeff Kirsher } 1344f7917c00SJeff Kirsher 1345f7917c00SJeff Kirsher static int offload_open(struct net_device *dev) 1346f7917c00SJeff Kirsher { 1347f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 1348f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 1349f7917c00SJeff Kirsher struct t3cdev *tdev = dev2t3cdev(dev); 1350f7917c00SJeff Kirsher int adap_up = adapter->open_device_map & PORT_MASK; 1351f7917c00SJeff Kirsher int err; 1352f7917c00SJeff Kirsher 1353f7917c00SJeff Kirsher if (test_and_set_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) 1354f7917c00SJeff Kirsher return 0; 1355f7917c00SJeff Kirsher 1356f7917c00SJeff Kirsher if (!adap_up && (err = cxgb_up(adapter)) < 0) 1357f7917c00SJeff Kirsher goto out; 1358f7917c00SJeff Kirsher 1359f7917c00SJeff Kirsher t3_tp_set_offload_mode(adapter, 1); 1360f7917c00SJeff Kirsher tdev->lldev = adapter->port[0]; 1361f7917c00SJeff Kirsher err = cxgb3_offload_activate(adapter); 1362f7917c00SJeff Kirsher if (err) 1363f7917c00SJeff Kirsher goto out; 1364f7917c00SJeff Kirsher 1365f7917c00SJeff Kirsher init_port_mtus(adapter); 1366f7917c00SJeff Kirsher t3_load_mtus(adapter, adapter->params.mtus, adapter->params.a_wnd, 1367f7917c00SJeff Kirsher adapter->params.b_wnd, 1368f7917c00SJeff Kirsher adapter->params.rev == 0 ? 1369f7917c00SJeff Kirsher adapter->port[0]->mtu : 0xffff); 1370f7917c00SJeff Kirsher init_smt(adapter); 1371f7917c00SJeff Kirsher 1372f7917c00SJeff Kirsher if (sysfs_create_group(&tdev->lldev->dev.kobj, &offload_attr_group)) 1373f7917c00SJeff Kirsher dev_dbg(&dev->dev, "cannot create sysfs group\n"); 1374f7917c00SJeff Kirsher 1375f7917c00SJeff Kirsher /* Call back all registered clients */ 1376f7917c00SJeff Kirsher cxgb3_add_clients(tdev); 1377f7917c00SJeff Kirsher 1378f7917c00SJeff Kirsher out: 1379f7917c00SJeff Kirsher /* restore them in case the offload module has changed them */ 1380f7917c00SJeff Kirsher if (err) { 1381f7917c00SJeff Kirsher t3_tp_set_offload_mode(adapter, 0); 1382f7917c00SJeff Kirsher clear_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map); 1383f7917c00SJeff Kirsher cxgb3_set_dummy_ops(tdev); 1384f7917c00SJeff Kirsher } 1385f7917c00SJeff Kirsher return err; 1386f7917c00SJeff Kirsher } 1387f7917c00SJeff Kirsher 1388f7917c00SJeff Kirsher static int offload_close(struct t3cdev *tdev) 1389f7917c00SJeff Kirsher { 1390f7917c00SJeff Kirsher struct adapter *adapter = tdev2adap(tdev); 1391f7917c00SJeff Kirsher struct t3c_data *td = T3C_DATA(tdev); 1392f7917c00SJeff Kirsher 1393f7917c00SJeff Kirsher if (!test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) 1394f7917c00SJeff Kirsher return 0; 1395f7917c00SJeff Kirsher 1396f7917c00SJeff Kirsher /* Call back all registered clients */ 1397f7917c00SJeff Kirsher cxgb3_remove_clients(tdev); 1398f7917c00SJeff Kirsher 1399f7917c00SJeff Kirsher sysfs_remove_group(&tdev->lldev->dev.kobj, &offload_attr_group); 1400f7917c00SJeff Kirsher 1401f7917c00SJeff Kirsher /* Flush work scheduled while releasing TIDs */ 140243829731STejun Heo flush_work(&td->tid_release_task); 1403f7917c00SJeff Kirsher 1404f7917c00SJeff Kirsher tdev->lldev = NULL; 1405f7917c00SJeff Kirsher cxgb3_set_dummy_ops(tdev); 1406f7917c00SJeff Kirsher t3_tp_set_offload_mode(adapter, 0); 1407f7917c00SJeff Kirsher clear_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map); 1408f7917c00SJeff Kirsher 1409f7917c00SJeff Kirsher if (!adapter->open_device_map) 1410f7917c00SJeff Kirsher cxgb_down(adapter, 0); 1411f7917c00SJeff Kirsher 1412f7917c00SJeff Kirsher cxgb3_offload_deactivate(adapter); 1413f7917c00SJeff Kirsher return 0; 1414f7917c00SJeff Kirsher } 1415f7917c00SJeff Kirsher 1416f7917c00SJeff Kirsher static int cxgb_open(struct net_device *dev) 1417f7917c00SJeff Kirsher { 1418f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 1419f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 1420f7917c00SJeff Kirsher int other_ports = adapter->open_device_map & PORT_MASK; 1421f7917c00SJeff Kirsher int err; 1422f7917c00SJeff Kirsher 1423f7917c00SJeff Kirsher if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0) 1424f7917c00SJeff Kirsher return err; 1425f7917c00SJeff Kirsher 1426f7917c00SJeff Kirsher set_bit(pi->port_id, &adapter->open_device_map); 1427f7917c00SJeff Kirsher if (is_offload(adapter) && !ofld_disable) { 1428f7917c00SJeff Kirsher err = offload_open(dev); 1429f7917c00SJeff Kirsher if (err) 1430428ac43fSJoe Perches pr_warn("Could not initialize offload capabilities\n"); 1431f7917c00SJeff Kirsher } 1432f7917c00SJeff Kirsher 1433f7917c00SJeff Kirsher netif_set_real_num_tx_queues(dev, pi->nqsets); 1434f7917c00SJeff Kirsher err = netif_set_real_num_rx_queues(dev, pi->nqsets); 1435f7917c00SJeff Kirsher if (err) 1436f7917c00SJeff Kirsher return err; 1437f7917c00SJeff Kirsher link_start(dev); 1438f7917c00SJeff Kirsher t3_port_intr_enable(adapter, pi->port_id); 1439f7917c00SJeff Kirsher netif_tx_start_all_queues(dev); 1440f7917c00SJeff Kirsher if (!other_ports) 1441f7917c00SJeff Kirsher schedule_chk_task(adapter); 1442f7917c00SJeff Kirsher 1443f7917c00SJeff Kirsher cxgb3_event_notify(&adapter->tdev, OFFLOAD_PORT_UP, pi->port_id); 1444f7917c00SJeff Kirsher return 0; 1445f7917c00SJeff Kirsher } 1446f7917c00SJeff Kirsher 1447f7917c00SJeff Kirsher static int __cxgb_close(struct net_device *dev, int on_wq) 1448f7917c00SJeff Kirsher { 1449f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 1450f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 1451f7917c00SJeff Kirsher 1452f7917c00SJeff Kirsher 1453f7917c00SJeff Kirsher if (!adapter->open_device_map) 1454f7917c00SJeff Kirsher return 0; 1455f7917c00SJeff Kirsher 1456f7917c00SJeff Kirsher /* Stop link fault interrupts */ 1457f7917c00SJeff Kirsher t3_xgm_intr_disable(adapter, pi->port_id); 1458f7917c00SJeff Kirsher t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); 1459f7917c00SJeff Kirsher 1460f7917c00SJeff Kirsher t3_port_intr_disable(adapter, pi->port_id); 1461f7917c00SJeff Kirsher netif_tx_stop_all_queues(dev); 1462f7917c00SJeff Kirsher pi->phy.ops->power_down(&pi->phy, 1); 1463f7917c00SJeff Kirsher netif_carrier_off(dev); 1464f7917c00SJeff Kirsher t3_mac_disable(&pi->mac, MAC_DIRECTION_TX | MAC_DIRECTION_RX); 1465f7917c00SJeff Kirsher 1466f7917c00SJeff Kirsher spin_lock_irq(&adapter->work_lock); /* sync with update task */ 1467f7917c00SJeff Kirsher clear_bit(pi->port_id, &adapter->open_device_map); 1468f7917c00SJeff Kirsher spin_unlock_irq(&adapter->work_lock); 1469f7917c00SJeff Kirsher 1470f7917c00SJeff Kirsher if (!(adapter->open_device_map & PORT_MASK)) 1471f7917c00SJeff Kirsher cancel_delayed_work_sync(&adapter->adap_check_task); 1472f7917c00SJeff Kirsher 1473f7917c00SJeff Kirsher if (!adapter->open_device_map) 1474f7917c00SJeff Kirsher cxgb_down(adapter, on_wq); 1475f7917c00SJeff Kirsher 1476f7917c00SJeff Kirsher cxgb3_event_notify(&adapter->tdev, OFFLOAD_PORT_DOWN, pi->port_id); 1477f7917c00SJeff Kirsher return 0; 1478f7917c00SJeff Kirsher } 1479f7917c00SJeff Kirsher 1480f7917c00SJeff Kirsher static int cxgb_close(struct net_device *dev) 1481f7917c00SJeff Kirsher { 1482f7917c00SJeff Kirsher return __cxgb_close(dev, 0); 1483f7917c00SJeff Kirsher } 1484f7917c00SJeff Kirsher 1485f7917c00SJeff Kirsher static struct net_device_stats *cxgb_get_stats(struct net_device *dev) 1486f7917c00SJeff Kirsher { 1487f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 1488f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 1489f7917c00SJeff Kirsher struct net_device_stats *ns = &pi->netstats; 1490f7917c00SJeff Kirsher const struct mac_stats *pstats; 1491f7917c00SJeff Kirsher 1492f7917c00SJeff Kirsher spin_lock(&adapter->stats_lock); 1493f7917c00SJeff Kirsher pstats = t3_mac_update_stats(&pi->mac); 1494f7917c00SJeff Kirsher spin_unlock(&adapter->stats_lock); 1495f7917c00SJeff Kirsher 1496f7917c00SJeff Kirsher ns->tx_bytes = pstats->tx_octets; 1497f7917c00SJeff Kirsher ns->tx_packets = pstats->tx_frames; 1498f7917c00SJeff Kirsher ns->rx_bytes = pstats->rx_octets; 1499f7917c00SJeff Kirsher ns->rx_packets = pstats->rx_frames; 1500f7917c00SJeff Kirsher ns->multicast = pstats->rx_mcast_frames; 1501f7917c00SJeff Kirsher 1502f7917c00SJeff Kirsher ns->tx_errors = pstats->tx_underrun; 1503f7917c00SJeff Kirsher ns->rx_errors = pstats->rx_symbol_errs + pstats->rx_fcs_errs + 1504f7917c00SJeff Kirsher pstats->rx_too_long + pstats->rx_jabber + pstats->rx_short + 1505f7917c00SJeff Kirsher pstats->rx_fifo_ovfl; 1506f7917c00SJeff Kirsher 1507f7917c00SJeff Kirsher /* detailed rx_errors */ 1508f7917c00SJeff Kirsher ns->rx_length_errors = pstats->rx_jabber + pstats->rx_too_long; 1509f7917c00SJeff Kirsher ns->rx_over_errors = 0; 1510f7917c00SJeff Kirsher ns->rx_crc_errors = pstats->rx_fcs_errs; 1511f7917c00SJeff Kirsher ns->rx_frame_errors = pstats->rx_symbol_errs; 1512f7917c00SJeff Kirsher ns->rx_fifo_errors = pstats->rx_fifo_ovfl; 1513f7917c00SJeff Kirsher ns->rx_missed_errors = pstats->rx_cong_drops; 1514f7917c00SJeff Kirsher 1515f7917c00SJeff Kirsher /* detailed tx_errors */ 1516f7917c00SJeff Kirsher ns->tx_aborted_errors = 0; 1517f7917c00SJeff Kirsher ns->tx_carrier_errors = 0; 1518f7917c00SJeff Kirsher ns->tx_fifo_errors = pstats->tx_underrun; 1519f7917c00SJeff Kirsher ns->tx_heartbeat_errors = 0; 1520f7917c00SJeff Kirsher ns->tx_window_errors = 0; 1521f7917c00SJeff Kirsher return ns; 1522f7917c00SJeff Kirsher } 1523f7917c00SJeff Kirsher 1524f7917c00SJeff Kirsher static u32 get_msglevel(struct net_device *dev) 1525f7917c00SJeff Kirsher { 1526f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 1527f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 1528f7917c00SJeff Kirsher 1529f7917c00SJeff Kirsher return adapter->msg_enable; 1530f7917c00SJeff Kirsher } 1531f7917c00SJeff Kirsher 1532f7917c00SJeff Kirsher static void set_msglevel(struct net_device *dev, u32 val) 1533f7917c00SJeff Kirsher { 1534f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 1535f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 1536f7917c00SJeff Kirsher 1537f7917c00SJeff Kirsher adapter->msg_enable = val; 1538f7917c00SJeff Kirsher } 1539f7917c00SJeff Kirsher 15409ca683c6SJoe Perches static const char stats_strings[][ETH_GSTRING_LEN] = { 1541f7917c00SJeff Kirsher "TxOctetsOK ", 1542f7917c00SJeff Kirsher "TxFramesOK ", 1543f7917c00SJeff Kirsher "TxMulticastFramesOK", 1544f7917c00SJeff Kirsher "TxBroadcastFramesOK", 1545f7917c00SJeff Kirsher "TxPauseFrames ", 1546f7917c00SJeff Kirsher "TxUnderrun ", 1547f7917c00SJeff Kirsher "TxExtUnderrun ", 1548f7917c00SJeff Kirsher 1549f7917c00SJeff Kirsher "TxFrames64 ", 1550f7917c00SJeff Kirsher "TxFrames65To127 ", 1551f7917c00SJeff Kirsher "TxFrames128To255 ", 1552f7917c00SJeff Kirsher "TxFrames256To511 ", 1553f7917c00SJeff Kirsher "TxFrames512To1023 ", 1554f7917c00SJeff Kirsher "TxFrames1024To1518 ", 1555f7917c00SJeff Kirsher "TxFrames1519ToMax ", 1556f7917c00SJeff Kirsher 1557f7917c00SJeff Kirsher "RxOctetsOK ", 1558f7917c00SJeff Kirsher "RxFramesOK ", 1559f7917c00SJeff Kirsher "RxMulticastFramesOK", 1560f7917c00SJeff Kirsher "RxBroadcastFramesOK", 1561f7917c00SJeff Kirsher "RxPauseFrames ", 1562f7917c00SJeff Kirsher "RxFCSErrors ", 1563f7917c00SJeff Kirsher "RxSymbolErrors ", 1564f7917c00SJeff Kirsher "RxShortErrors ", 1565f7917c00SJeff Kirsher "RxJabberErrors ", 1566f7917c00SJeff Kirsher "RxLengthErrors ", 1567f7917c00SJeff Kirsher "RxFIFOoverflow ", 1568f7917c00SJeff Kirsher 1569f7917c00SJeff Kirsher "RxFrames64 ", 1570f7917c00SJeff Kirsher "RxFrames65To127 ", 1571f7917c00SJeff Kirsher "RxFrames128To255 ", 1572f7917c00SJeff Kirsher "RxFrames256To511 ", 1573f7917c00SJeff Kirsher "RxFrames512To1023 ", 1574f7917c00SJeff Kirsher "RxFrames1024To1518 ", 1575f7917c00SJeff Kirsher "RxFrames1519ToMax ", 1576f7917c00SJeff Kirsher 1577f7917c00SJeff Kirsher "PhyFIFOErrors ", 1578f7917c00SJeff Kirsher "TSO ", 1579f7917c00SJeff Kirsher "VLANextractions ", 1580f7917c00SJeff Kirsher "VLANinsertions ", 1581f7917c00SJeff Kirsher "TxCsumOffload ", 1582f7917c00SJeff Kirsher "RxCsumGood ", 1583f7917c00SJeff Kirsher "LroAggregated ", 1584f7917c00SJeff Kirsher "LroFlushed ", 1585f7917c00SJeff Kirsher "LroNoDesc ", 1586f7917c00SJeff Kirsher "RxDrops ", 1587f7917c00SJeff Kirsher 1588f7917c00SJeff Kirsher "CheckTXEnToggled ", 1589f7917c00SJeff Kirsher "CheckResets ", 1590f7917c00SJeff Kirsher 1591f7917c00SJeff Kirsher "LinkFaults ", 1592f7917c00SJeff Kirsher }; 1593f7917c00SJeff Kirsher 1594f7917c00SJeff Kirsher static int get_sset_count(struct net_device *dev, int sset) 1595f7917c00SJeff Kirsher { 1596f7917c00SJeff Kirsher switch (sset) { 1597f7917c00SJeff Kirsher case ETH_SS_STATS: 1598f7917c00SJeff Kirsher return ARRAY_SIZE(stats_strings); 1599f7917c00SJeff Kirsher default: 1600f7917c00SJeff Kirsher return -EOPNOTSUPP; 1601f7917c00SJeff Kirsher } 1602f7917c00SJeff Kirsher } 1603f7917c00SJeff Kirsher 1604f7917c00SJeff Kirsher #define T3_REGMAP_SIZE (3 * 1024) 1605f7917c00SJeff Kirsher 1606f7917c00SJeff Kirsher static int get_regs_len(struct net_device *dev) 1607f7917c00SJeff Kirsher { 1608f7917c00SJeff Kirsher return T3_REGMAP_SIZE; 1609f7917c00SJeff Kirsher } 1610f7917c00SJeff Kirsher 1611f7917c00SJeff Kirsher static int get_eeprom_len(struct net_device *dev) 1612f7917c00SJeff Kirsher { 1613f7917c00SJeff Kirsher return EEPROMSIZE; 1614f7917c00SJeff Kirsher } 1615f7917c00SJeff Kirsher 1616f7917c00SJeff Kirsher static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) 1617f7917c00SJeff Kirsher { 1618f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 1619f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 1620f7917c00SJeff Kirsher u32 fw_vers = 0; 1621f7917c00SJeff Kirsher u32 tp_vers = 0; 1622f7917c00SJeff Kirsher 1623f7917c00SJeff Kirsher spin_lock(&adapter->stats_lock); 1624f7917c00SJeff Kirsher t3_get_fw_version(adapter, &fw_vers); 1625f7917c00SJeff Kirsher t3_get_tp_version(adapter, &tp_vers); 1626f7917c00SJeff Kirsher spin_unlock(&adapter->stats_lock); 1627f7917c00SJeff Kirsher 162823020ab3SRick Jones strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); 162923020ab3SRick Jones strlcpy(info->version, DRV_VERSION, sizeof(info->version)); 163023020ab3SRick Jones strlcpy(info->bus_info, pci_name(adapter->pdev), 163123020ab3SRick Jones sizeof(info->bus_info)); 163284b40501SRick Jones if (fw_vers) 1633f7917c00SJeff Kirsher snprintf(info->fw_version, sizeof(info->fw_version), 1634f7917c00SJeff Kirsher "%s %u.%u.%u TP %u.%u.%u", 1635f7917c00SJeff Kirsher G_FW_VERSION_TYPE(fw_vers) ? "T" : "N", 1636f7917c00SJeff Kirsher G_FW_VERSION_MAJOR(fw_vers), 1637f7917c00SJeff Kirsher G_FW_VERSION_MINOR(fw_vers), 1638f7917c00SJeff Kirsher G_FW_VERSION_MICRO(fw_vers), 1639f7917c00SJeff Kirsher G_TP_VERSION_MAJOR(tp_vers), 1640f7917c00SJeff Kirsher G_TP_VERSION_MINOR(tp_vers), 1641f7917c00SJeff Kirsher G_TP_VERSION_MICRO(tp_vers)); 1642f7917c00SJeff Kirsher } 1643f7917c00SJeff Kirsher 1644f7917c00SJeff Kirsher static void get_strings(struct net_device *dev, u32 stringset, u8 * data) 1645f7917c00SJeff Kirsher { 1646f7917c00SJeff Kirsher if (stringset == ETH_SS_STATS) 1647f7917c00SJeff Kirsher memcpy(data, stats_strings, sizeof(stats_strings)); 1648f7917c00SJeff Kirsher } 1649f7917c00SJeff Kirsher 1650f7917c00SJeff Kirsher static unsigned long collect_sge_port_stats(struct adapter *adapter, 1651f7917c00SJeff Kirsher struct port_info *p, int idx) 1652f7917c00SJeff Kirsher { 1653f7917c00SJeff Kirsher int i; 1654f7917c00SJeff Kirsher unsigned long tot = 0; 1655f7917c00SJeff Kirsher 1656f7917c00SJeff Kirsher for (i = p->first_qset; i < p->first_qset + p->nqsets; ++i) 1657f7917c00SJeff Kirsher tot += adapter->sge.qs[i].port_stats[idx]; 1658f7917c00SJeff Kirsher return tot; 1659f7917c00SJeff Kirsher } 1660f7917c00SJeff Kirsher 1661f7917c00SJeff Kirsher static void get_stats(struct net_device *dev, struct ethtool_stats *stats, 1662f7917c00SJeff Kirsher u64 *data) 1663f7917c00SJeff Kirsher { 1664f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 1665f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 1666f7917c00SJeff Kirsher const struct mac_stats *s; 1667f7917c00SJeff Kirsher 1668f7917c00SJeff Kirsher spin_lock(&adapter->stats_lock); 1669f7917c00SJeff Kirsher s = t3_mac_update_stats(&pi->mac); 1670f7917c00SJeff Kirsher spin_unlock(&adapter->stats_lock); 1671f7917c00SJeff Kirsher 1672f7917c00SJeff Kirsher *data++ = s->tx_octets; 1673f7917c00SJeff Kirsher *data++ = s->tx_frames; 1674f7917c00SJeff Kirsher *data++ = s->tx_mcast_frames; 1675f7917c00SJeff Kirsher *data++ = s->tx_bcast_frames; 1676f7917c00SJeff Kirsher *data++ = s->tx_pause; 1677f7917c00SJeff Kirsher *data++ = s->tx_underrun; 1678f7917c00SJeff Kirsher *data++ = s->tx_fifo_urun; 1679f7917c00SJeff Kirsher 1680f7917c00SJeff Kirsher *data++ = s->tx_frames_64; 1681f7917c00SJeff Kirsher *data++ = s->tx_frames_65_127; 1682f7917c00SJeff Kirsher *data++ = s->tx_frames_128_255; 1683f7917c00SJeff Kirsher *data++ = s->tx_frames_256_511; 1684f7917c00SJeff Kirsher *data++ = s->tx_frames_512_1023; 1685f7917c00SJeff Kirsher *data++ = s->tx_frames_1024_1518; 1686f7917c00SJeff Kirsher *data++ = s->tx_frames_1519_max; 1687f7917c00SJeff Kirsher 1688f7917c00SJeff Kirsher *data++ = s->rx_octets; 1689f7917c00SJeff Kirsher *data++ = s->rx_frames; 1690f7917c00SJeff Kirsher *data++ = s->rx_mcast_frames; 1691f7917c00SJeff Kirsher *data++ = s->rx_bcast_frames; 1692f7917c00SJeff Kirsher *data++ = s->rx_pause; 1693f7917c00SJeff Kirsher *data++ = s->rx_fcs_errs; 1694f7917c00SJeff Kirsher *data++ = s->rx_symbol_errs; 1695f7917c00SJeff Kirsher *data++ = s->rx_short; 1696f7917c00SJeff Kirsher *data++ = s->rx_jabber; 1697f7917c00SJeff Kirsher *data++ = s->rx_too_long; 1698f7917c00SJeff Kirsher *data++ = s->rx_fifo_ovfl; 1699f7917c00SJeff Kirsher 1700f7917c00SJeff Kirsher *data++ = s->rx_frames_64; 1701f7917c00SJeff Kirsher *data++ = s->rx_frames_65_127; 1702f7917c00SJeff Kirsher *data++ = s->rx_frames_128_255; 1703f7917c00SJeff Kirsher *data++ = s->rx_frames_256_511; 1704f7917c00SJeff Kirsher *data++ = s->rx_frames_512_1023; 1705f7917c00SJeff Kirsher *data++ = s->rx_frames_1024_1518; 1706f7917c00SJeff Kirsher *data++ = s->rx_frames_1519_max; 1707f7917c00SJeff Kirsher 1708f7917c00SJeff Kirsher *data++ = pi->phy.fifo_errors; 1709f7917c00SJeff Kirsher 1710f7917c00SJeff Kirsher *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_TSO); 1711f7917c00SJeff Kirsher *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_VLANEX); 1712f7917c00SJeff Kirsher *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_VLANINS); 1713f7917c00SJeff Kirsher *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_TX_CSUM); 1714f7917c00SJeff Kirsher *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_RX_CSUM_GOOD); 1715f7917c00SJeff Kirsher *data++ = 0; 1716f7917c00SJeff Kirsher *data++ = 0; 1717f7917c00SJeff Kirsher *data++ = 0; 1718f7917c00SJeff Kirsher *data++ = s->rx_cong_drops; 1719f7917c00SJeff Kirsher 1720f7917c00SJeff Kirsher *data++ = s->num_toggled; 1721f7917c00SJeff Kirsher *data++ = s->num_resets; 1722f7917c00SJeff Kirsher 1723f7917c00SJeff Kirsher *data++ = s->link_faults; 1724f7917c00SJeff Kirsher } 1725f7917c00SJeff Kirsher 1726f7917c00SJeff Kirsher static inline void reg_block_dump(struct adapter *ap, void *buf, 1727f7917c00SJeff Kirsher unsigned int start, unsigned int end) 1728f7917c00SJeff Kirsher { 1729f7917c00SJeff Kirsher u32 *p = buf + start; 1730f7917c00SJeff Kirsher 1731f7917c00SJeff Kirsher for (; start <= end; start += sizeof(u32)) 1732f7917c00SJeff Kirsher *p++ = t3_read_reg(ap, start); 1733f7917c00SJeff Kirsher } 1734f7917c00SJeff Kirsher 1735f7917c00SJeff Kirsher static void get_regs(struct net_device *dev, struct ethtool_regs *regs, 1736f7917c00SJeff Kirsher void *buf) 1737f7917c00SJeff Kirsher { 1738f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 1739f7917c00SJeff Kirsher struct adapter *ap = pi->adapter; 1740f7917c00SJeff Kirsher 1741f7917c00SJeff Kirsher /* 1742f7917c00SJeff Kirsher * Version scheme: 1743f7917c00SJeff Kirsher * bits 0..9: chip version 1744f7917c00SJeff Kirsher * bits 10..15: chip revision 1745f7917c00SJeff Kirsher * bit 31: set for PCIe cards 1746f7917c00SJeff Kirsher */ 1747f7917c00SJeff Kirsher regs->version = 3 | (ap->params.rev << 10) | (is_pcie(ap) << 31); 1748f7917c00SJeff Kirsher 1749f7917c00SJeff Kirsher /* 1750f7917c00SJeff Kirsher * We skip the MAC statistics registers because they are clear-on-read. 1751f7917c00SJeff Kirsher * Also reading multi-register stats would need to synchronize with the 1752f7917c00SJeff Kirsher * periodic mac stats accumulation. Hard to justify the complexity. 1753f7917c00SJeff Kirsher */ 1754f7917c00SJeff Kirsher memset(buf, 0, T3_REGMAP_SIZE); 1755f7917c00SJeff Kirsher reg_block_dump(ap, buf, 0, A_SG_RSPQ_CREDIT_RETURN); 1756f7917c00SJeff Kirsher reg_block_dump(ap, buf, A_SG_HI_DRB_HI_THRSH, A_ULPRX_PBL_ULIMIT); 1757f7917c00SJeff Kirsher reg_block_dump(ap, buf, A_ULPTX_CONFIG, A_MPS_INT_CAUSE); 1758f7917c00SJeff Kirsher reg_block_dump(ap, buf, A_CPL_SWITCH_CNTRL, A_CPL_MAP_TBL_DATA); 1759f7917c00SJeff Kirsher reg_block_dump(ap, buf, A_SMB_GLOBAL_TIME_CFG, A_XGM_SERDES_STAT3); 1760f7917c00SJeff Kirsher reg_block_dump(ap, buf, A_XGM_SERDES_STATUS0, 1761f7917c00SJeff Kirsher XGM_REG(A_XGM_SERDES_STAT3, 1)); 1762f7917c00SJeff Kirsher reg_block_dump(ap, buf, XGM_REG(A_XGM_SERDES_STATUS0, 1), 1763f7917c00SJeff Kirsher XGM_REG(A_XGM_RX_SPI4_SOP_EOP_CNT, 1)); 1764f7917c00SJeff Kirsher } 1765f7917c00SJeff Kirsher 1766f7917c00SJeff Kirsher static int restart_autoneg(struct net_device *dev) 1767f7917c00SJeff Kirsher { 1768f7917c00SJeff Kirsher struct port_info *p = netdev_priv(dev); 1769f7917c00SJeff Kirsher 1770f7917c00SJeff Kirsher if (!netif_running(dev)) 1771f7917c00SJeff Kirsher return -EAGAIN; 1772f7917c00SJeff Kirsher if (p->link_config.autoneg != AUTONEG_ENABLE) 1773f7917c00SJeff Kirsher return -EINVAL; 1774f7917c00SJeff Kirsher p->phy.ops->autoneg_restart(&p->phy); 1775f7917c00SJeff Kirsher return 0; 1776f7917c00SJeff Kirsher } 1777f7917c00SJeff Kirsher 1778f7917c00SJeff Kirsher static int set_phys_id(struct net_device *dev, 1779f7917c00SJeff Kirsher enum ethtool_phys_id_state state) 1780f7917c00SJeff Kirsher { 1781f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 1782f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 1783f7917c00SJeff Kirsher 1784f7917c00SJeff Kirsher switch (state) { 1785f7917c00SJeff Kirsher case ETHTOOL_ID_ACTIVE: 1786f7917c00SJeff Kirsher return 1; /* cycle on/off once per second */ 1787f7917c00SJeff Kirsher 1788f7917c00SJeff Kirsher case ETHTOOL_ID_OFF: 1789f7917c00SJeff Kirsher t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, 0); 1790f7917c00SJeff Kirsher break; 1791f7917c00SJeff Kirsher 1792f7917c00SJeff Kirsher case ETHTOOL_ID_ON: 1793f7917c00SJeff Kirsher case ETHTOOL_ID_INACTIVE: 1794f7917c00SJeff Kirsher t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, 1795f7917c00SJeff Kirsher F_GPIO0_OUT_VAL); 1796f7917c00SJeff Kirsher } 1797f7917c00SJeff Kirsher 1798f7917c00SJeff Kirsher return 0; 1799f7917c00SJeff Kirsher } 1800f7917c00SJeff Kirsher 1801f7917c00SJeff Kirsher static int get_settings(struct net_device *dev, struct ethtool_cmd *cmd) 1802f7917c00SJeff Kirsher { 1803f7917c00SJeff Kirsher struct port_info *p = netdev_priv(dev); 1804f7917c00SJeff Kirsher 1805f7917c00SJeff Kirsher cmd->supported = p->link_config.supported; 1806f7917c00SJeff Kirsher cmd->advertising = p->link_config.advertising; 1807f7917c00SJeff Kirsher 1808f7917c00SJeff Kirsher if (netif_carrier_ok(dev)) { 1809f7917c00SJeff Kirsher ethtool_cmd_speed_set(cmd, p->link_config.speed); 1810f7917c00SJeff Kirsher cmd->duplex = p->link_config.duplex; 1811f7917c00SJeff Kirsher } else { 1812537fae01SJiri Pirko ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN); 1813537fae01SJiri Pirko cmd->duplex = DUPLEX_UNKNOWN; 1814f7917c00SJeff Kirsher } 1815f7917c00SJeff Kirsher 1816f7917c00SJeff Kirsher cmd->port = (cmd->supported & SUPPORTED_TP) ? PORT_TP : PORT_FIBRE; 1817f7917c00SJeff Kirsher cmd->phy_address = p->phy.mdio.prtad; 1818f7917c00SJeff Kirsher cmd->transceiver = XCVR_EXTERNAL; 1819f7917c00SJeff Kirsher cmd->autoneg = p->link_config.autoneg; 1820f7917c00SJeff Kirsher cmd->maxtxpkt = 0; 1821f7917c00SJeff Kirsher cmd->maxrxpkt = 0; 1822f7917c00SJeff Kirsher return 0; 1823f7917c00SJeff Kirsher } 1824f7917c00SJeff Kirsher 1825f7917c00SJeff Kirsher static int speed_duplex_to_caps(int speed, int duplex) 1826f7917c00SJeff Kirsher { 1827f7917c00SJeff Kirsher int cap = 0; 1828f7917c00SJeff Kirsher 1829f7917c00SJeff Kirsher switch (speed) { 1830f7917c00SJeff Kirsher case SPEED_10: 1831f7917c00SJeff Kirsher if (duplex == DUPLEX_FULL) 1832f7917c00SJeff Kirsher cap = SUPPORTED_10baseT_Full; 1833f7917c00SJeff Kirsher else 1834f7917c00SJeff Kirsher cap = SUPPORTED_10baseT_Half; 1835f7917c00SJeff Kirsher break; 1836f7917c00SJeff Kirsher case SPEED_100: 1837f7917c00SJeff Kirsher if (duplex == DUPLEX_FULL) 1838f7917c00SJeff Kirsher cap = SUPPORTED_100baseT_Full; 1839f7917c00SJeff Kirsher else 1840f7917c00SJeff Kirsher cap = SUPPORTED_100baseT_Half; 1841f7917c00SJeff Kirsher break; 1842f7917c00SJeff Kirsher case SPEED_1000: 1843f7917c00SJeff Kirsher if (duplex == DUPLEX_FULL) 1844f7917c00SJeff Kirsher cap = SUPPORTED_1000baseT_Full; 1845f7917c00SJeff Kirsher else 1846f7917c00SJeff Kirsher cap = SUPPORTED_1000baseT_Half; 1847f7917c00SJeff Kirsher break; 1848f7917c00SJeff Kirsher case SPEED_10000: 1849f7917c00SJeff Kirsher if (duplex == DUPLEX_FULL) 1850f7917c00SJeff Kirsher cap = SUPPORTED_10000baseT_Full; 1851f7917c00SJeff Kirsher } 1852f7917c00SJeff Kirsher return cap; 1853f7917c00SJeff Kirsher } 1854f7917c00SJeff Kirsher 1855f7917c00SJeff Kirsher #define ADVERTISED_MASK (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \ 1856f7917c00SJeff Kirsher ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \ 1857f7917c00SJeff Kirsher ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full | \ 1858f7917c00SJeff Kirsher ADVERTISED_10000baseT_Full) 1859f7917c00SJeff Kirsher 1860f7917c00SJeff Kirsher static int set_settings(struct net_device *dev, struct ethtool_cmd *cmd) 1861f7917c00SJeff Kirsher { 1862f7917c00SJeff Kirsher struct port_info *p = netdev_priv(dev); 1863f7917c00SJeff Kirsher struct link_config *lc = &p->link_config; 1864f7917c00SJeff Kirsher 1865f7917c00SJeff Kirsher if (!(lc->supported & SUPPORTED_Autoneg)) { 1866f7917c00SJeff Kirsher /* 1867f7917c00SJeff Kirsher * PHY offers a single speed/duplex. See if that's what's 1868f7917c00SJeff Kirsher * being requested. 1869f7917c00SJeff Kirsher */ 1870f7917c00SJeff Kirsher if (cmd->autoneg == AUTONEG_DISABLE) { 1871f7917c00SJeff Kirsher u32 speed = ethtool_cmd_speed(cmd); 1872f7917c00SJeff Kirsher int cap = speed_duplex_to_caps(speed, cmd->duplex); 1873f7917c00SJeff Kirsher if (lc->supported & cap) 1874f7917c00SJeff Kirsher return 0; 1875f7917c00SJeff Kirsher } 1876f7917c00SJeff Kirsher return -EINVAL; 1877f7917c00SJeff Kirsher } 1878f7917c00SJeff Kirsher 1879f7917c00SJeff Kirsher if (cmd->autoneg == AUTONEG_DISABLE) { 1880f7917c00SJeff Kirsher u32 speed = ethtool_cmd_speed(cmd); 1881f7917c00SJeff Kirsher int cap = speed_duplex_to_caps(speed, cmd->duplex); 1882f7917c00SJeff Kirsher 1883f7917c00SJeff Kirsher if (!(lc->supported & cap) || (speed == SPEED_1000)) 1884f7917c00SJeff Kirsher return -EINVAL; 1885f7917c00SJeff Kirsher lc->requested_speed = speed; 1886f7917c00SJeff Kirsher lc->requested_duplex = cmd->duplex; 1887f7917c00SJeff Kirsher lc->advertising = 0; 1888f7917c00SJeff Kirsher } else { 1889f7917c00SJeff Kirsher cmd->advertising &= ADVERTISED_MASK; 1890f7917c00SJeff Kirsher cmd->advertising &= lc->supported; 1891f7917c00SJeff Kirsher if (!cmd->advertising) 1892f7917c00SJeff Kirsher return -EINVAL; 1893f7917c00SJeff Kirsher lc->requested_speed = SPEED_INVALID; 1894f7917c00SJeff Kirsher lc->requested_duplex = DUPLEX_INVALID; 1895f7917c00SJeff Kirsher lc->advertising = cmd->advertising | ADVERTISED_Autoneg; 1896f7917c00SJeff Kirsher } 1897f7917c00SJeff Kirsher lc->autoneg = cmd->autoneg; 1898f7917c00SJeff Kirsher if (netif_running(dev)) 1899f7917c00SJeff Kirsher t3_link_start(&p->phy, &p->mac, lc); 1900f7917c00SJeff Kirsher return 0; 1901f7917c00SJeff Kirsher } 1902f7917c00SJeff Kirsher 1903f7917c00SJeff Kirsher static void get_pauseparam(struct net_device *dev, 1904f7917c00SJeff Kirsher struct ethtool_pauseparam *epause) 1905f7917c00SJeff Kirsher { 1906f7917c00SJeff Kirsher struct port_info *p = netdev_priv(dev); 1907f7917c00SJeff Kirsher 1908f7917c00SJeff Kirsher epause->autoneg = (p->link_config.requested_fc & PAUSE_AUTONEG) != 0; 1909f7917c00SJeff Kirsher epause->rx_pause = (p->link_config.fc & PAUSE_RX) != 0; 1910f7917c00SJeff Kirsher epause->tx_pause = (p->link_config.fc & PAUSE_TX) != 0; 1911f7917c00SJeff Kirsher } 1912f7917c00SJeff Kirsher 1913f7917c00SJeff Kirsher static int set_pauseparam(struct net_device *dev, 1914f7917c00SJeff Kirsher struct ethtool_pauseparam *epause) 1915f7917c00SJeff Kirsher { 1916f7917c00SJeff Kirsher struct port_info *p = netdev_priv(dev); 1917f7917c00SJeff Kirsher struct link_config *lc = &p->link_config; 1918f7917c00SJeff Kirsher 1919f7917c00SJeff Kirsher if (epause->autoneg == AUTONEG_DISABLE) 1920f7917c00SJeff Kirsher lc->requested_fc = 0; 1921f7917c00SJeff Kirsher else if (lc->supported & SUPPORTED_Autoneg) 1922f7917c00SJeff Kirsher lc->requested_fc = PAUSE_AUTONEG; 1923f7917c00SJeff Kirsher else 1924f7917c00SJeff Kirsher return -EINVAL; 1925f7917c00SJeff Kirsher 1926f7917c00SJeff Kirsher if (epause->rx_pause) 1927f7917c00SJeff Kirsher lc->requested_fc |= PAUSE_RX; 1928f7917c00SJeff Kirsher if (epause->tx_pause) 1929f7917c00SJeff Kirsher lc->requested_fc |= PAUSE_TX; 1930f7917c00SJeff Kirsher if (lc->autoneg == AUTONEG_ENABLE) { 1931f7917c00SJeff Kirsher if (netif_running(dev)) 1932f7917c00SJeff Kirsher t3_link_start(&p->phy, &p->mac, lc); 1933f7917c00SJeff Kirsher } else { 1934f7917c00SJeff Kirsher lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); 1935f7917c00SJeff Kirsher if (netif_running(dev)) 1936f7917c00SJeff Kirsher t3_mac_set_speed_duplex_fc(&p->mac, -1, -1, lc->fc); 1937f7917c00SJeff Kirsher } 1938f7917c00SJeff Kirsher return 0; 1939f7917c00SJeff Kirsher } 1940f7917c00SJeff Kirsher 1941f7917c00SJeff Kirsher static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e) 1942f7917c00SJeff Kirsher { 1943f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 1944f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 1945f7917c00SJeff Kirsher const struct qset_params *q = &adapter->params.sge.qset[pi->first_qset]; 1946f7917c00SJeff Kirsher 1947f7917c00SJeff Kirsher e->rx_max_pending = MAX_RX_BUFFERS; 1948f7917c00SJeff Kirsher e->rx_jumbo_max_pending = MAX_RX_JUMBO_BUFFERS; 1949f7917c00SJeff Kirsher e->tx_max_pending = MAX_TXQ_ENTRIES; 1950f7917c00SJeff Kirsher 1951f7917c00SJeff Kirsher e->rx_pending = q->fl_size; 1952f7917c00SJeff Kirsher e->rx_mini_pending = q->rspq_size; 1953f7917c00SJeff Kirsher e->rx_jumbo_pending = q->jumbo_size; 1954f7917c00SJeff Kirsher e->tx_pending = q->txq_size[0]; 1955f7917c00SJeff Kirsher } 1956f7917c00SJeff Kirsher 1957f7917c00SJeff Kirsher static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e) 1958f7917c00SJeff Kirsher { 1959f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 1960f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 1961f7917c00SJeff Kirsher struct qset_params *q; 1962f7917c00SJeff Kirsher int i; 1963f7917c00SJeff Kirsher 1964f7917c00SJeff Kirsher if (e->rx_pending > MAX_RX_BUFFERS || 1965f7917c00SJeff Kirsher e->rx_jumbo_pending > MAX_RX_JUMBO_BUFFERS || 1966f7917c00SJeff Kirsher e->tx_pending > MAX_TXQ_ENTRIES || 1967f7917c00SJeff Kirsher e->rx_mini_pending > MAX_RSPQ_ENTRIES || 1968f7917c00SJeff Kirsher e->rx_mini_pending < MIN_RSPQ_ENTRIES || 1969f7917c00SJeff Kirsher e->rx_pending < MIN_FL_ENTRIES || 1970f7917c00SJeff Kirsher e->rx_jumbo_pending < MIN_FL_ENTRIES || 1971f7917c00SJeff Kirsher e->tx_pending < adapter->params.nports * MIN_TXQ_ENTRIES) 1972f7917c00SJeff Kirsher return -EINVAL; 1973f7917c00SJeff Kirsher 1974f7917c00SJeff Kirsher if (adapter->flags & FULL_INIT_DONE) 1975f7917c00SJeff Kirsher return -EBUSY; 1976f7917c00SJeff Kirsher 1977f7917c00SJeff Kirsher q = &adapter->params.sge.qset[pi->first_qset]; 1978f7917c00SJeff Kirsher for (i = 0; i < pi->nqsets; ++i, ++q) { 1979f7917c00SJeff Kirsher q->rspq_size = e->rx_mini_pending; 1980f7917c00SJeff Kirsher q->fl_size = e->rx_pending; 1981f7917c00SJeff Kirsher q->jumbo_size = e->rx_jumbo_pending; 1982f7917c00SJeff Kirsher q->txq_size[0] = e->tx_pending; 1983f7917c00SJeff Kirsher q->txq_size[1] = e->tx_pending; 1984f7917c00SJeff Kirsher q->txq_size[2] = e->tx_pending; 1985f7917c00SJeff Kirsher } 1986f7917c00SJeff Kirsher return 0; 1987f7917c00SJeff Kirsher } 1988f7917c00SJeff Kirsher 1989f7917c00SJeff Kirsher static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) 1990f7917c00SJeff Kirsher { 1991f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 1992f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 1993f7917c00SJeff Kirsher struct qset_params *qsp; 1994f7917c00SJeff Kirsher struct sge_qset *qs; 1995f7917c00SJeff Kirsher int i; 1996f7917c00SJeff Kirsher 1997f7917c00SJeff Kirsher if (c->rx_coalesce_usecs * 10 > M_NEWTIMER) 1998f7917c00SJeff Kirsher return -EINVAL; 1999f7917c00SJeff Kirsher 2000f7917c00SJeff Kirsher for (i = 0; i < pi->nqsets; i++) { 2001f7917c00SJeff Kirsher qsp = &adapter->params.sge.qset[i]; 2002f7917c00SJeff Kirsher qs = &adapter->sge.qs[i]; 2003f7917c00SJeff Kirsher qsp->coalesce_usecs = c->rx_coalesce_usecs; 2004f7917c00SJeff Kirsher t3_update_qset_coalesce(qs, qsp); 2005f7917c00SJeff Kirsher } 2006f7917c00SJeff Kirsher 2007f7917c00SJeff Kirsher return 0; 2008f7917c00SJeff Kirsher } 2009f7917c00SJeff Kirsher 2010f7917c00SJeff Kirsher static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) 2011f7917c00SJeff Kirsher { 2012f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 2013f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 2014f7917c00SJeff Kirsher struct qset_params *q = adapter->params.sge.qset; 2015f7917c00SJeff Kirsher 2016f7917c00SJeff Kirsher c->rx_coalesce_usecs = q->coalesce_usecs; 2017f7917c00SJeff Kirsher return 0; 2018f7917c00SJeff Kirsher } 2019f7917c00SJeff Kirsher 2020f7917c00SJeff Kirsher static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e, 2021f7917c00SJeff Kirsher u8 * data) 2022f7917c00SJeff Kirsher { 2023f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 2024f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 2025f7917c00SJeff Kirsher int i, err = 0; 2026f7917c00SJeff Kirsher 2027f7917c00SJeff Kirsher u8 *buf = kmalloc(EEPROMSIZE, GFP_KERNEL); 2028f7917c00SJeff Kirsher if (!buf) 2029f7917c00SJeff Kirsher return -ENOMEM; 2030f7917c00SJeff Kirsher 2031f7917c00SJeff Kirsher e->magic = EEPROM_MAGIC; 2032f7917c00SJeff Kirsher for (i = e->offset & ~3; !err && i < e->offset + e->len; i += 4) 2033f7917c00SJeff Kirsher err = t3_seeprom_read(adapter, i, (__le32 *) & buf[i]); 2034f7917c00SJeff Kirsher 2035f7917c00SJeff Kirsher if (!err) 2036f7917c00SJeff Kirsher memcpy(data, buf + e->offset, e->len); 2037f7917c00SJeff Kirsher kfree(buf); 2038f7917c00SJeff Kirsher return err; 2039f7917c00SJeff Kirsher } 2040f7917c00SJeff Kirsher 2041f7917c00SJeff Kirsher static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, 2042f7917c00SJeff Kirsher u8 * data) 2043f7917c00SJeff Kirsher { 2044f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 2045f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 2046f7917c00SJeff Kirsher u32 aligned_offset, aligned_len; 2047f7917c00SJeff Kirsher __le32 *p; 2048f7917c00SJeff Kirsher u8 *buf; 2049f7917c00SJeff Kirsher int err; 2050f7917c00SJeff Kirsher 2051f7917c00SJeff Kirsher if (eeprom->magic != EEPROM_MAGIC) 2052f7917c00SJeff Kirsher return -EINVAL; 2053f7917c00SJeff Kirsher 2054f7917c00SJeff Kirsher aligned_offset = eeprom->offset & ~3; 2055f7917c00SJeff Kirsher aligned_len = (eeprom->len + (eeprom->offset & 3) + 3) & ~3; 2056f7917c00SJeff Kirsher 2057f7917c00SJeff Kirsher if (aligned_offset != eeprom->offset || aligned_len != eeprom->len) { 2058f7917c00SJeff Kirsher buf = kmalloc(aligned_len, GFP_KERNEL); 2059f7917c00SJeff Kirsher if (!buf) 2060f7917c00SJeff Kirsher return -ENOMEM; 2061f7917c00SJeff Kirsher err = t3_seeprom_read(adapter, aligned_offset, (__le32 *) buf); 2062f7917c00SJeff Kirsher if (!err && aligned_len > 4) 2063f7917c00SJeff Kirsher err = t3_seeprom_read(adapter, 2064f7917c00SJeff Kirsher aligned_offset + aligned_len - 4, 2065f7917c00SJeff Kirsher (__le32 *) & buf[aligned_len - 4]); 2066f7917c00SJeff Kirsher if (err) 2067f7917c00SJeff Kirsher goto out; 2068f7917c00SJeff Kirsher memcpy(buf + (eeprom->offset & 3), data, eeprom->len); 2069f7917c00SJeff Kirsher } else 2070f7917c00SJeff Kirsher buf = data; 2071f7917c00SJeff Kirsher 2072f7917c00SJeff Kirsher err = t3_seeprom_wp(adapter, 0); 2073f7917c00SJeff Kirsher if (err) 2074f7917c00SJeff Kirsher goto out; 2075f7917c00SJeff Kirsher 2076f7917c00SJeff Kirsher for (p = (__le32 *) buf; !err && aligned_len; aligned_len -= 4, p++) { 2077f7917c00SJeff Kirsher err = t3_seeprom_write(adapter, aligned_offset, *p); 2078f7917c00SJeff Kirsher aligned_offset += 4; 2079f7917c00SJeff Kirsher } 2080f7917c00SJeff Kirsher 2081f7917c00SJeff Kirsher if (!err) 2082f7917c00SJeff Kirsher err = t3_seeprom_wp(adapter, 1); 2083f7917c00SJeff Kirsher out: 2084f7917c00SJeff Kirsher if (buf != data) 2085f7917c00SJeff Kirsher kfree(buf); 2086f7917c00SJeff Kirsher return err; 2087f7917c00SJeff Kirsher } 2088f7917c00SJeff Kirsher 2089f7917c00SJeff Kirsher static void get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 2090f7917c00SJeff Kirsher { 2091f7917c00SJeff Kirsher wol->supported = 0; 2092f7917c00SJeff Kirsher wol->wolopts = 0; 2093f7917c00SJeff Kirsher memset(&wol->sopass, 0, sizeof(wol->sopass)); 2094f7917c00SJeff Kirsher } 2095f7917c00SJeff Kirsher 2096f7917c00SJeff Kirsher static const struct ethtool_ops cxgb_ethtool_ops = { 2097f7917c00SJeff Kirsher .get_settings = get_settings, 2098f7917c00SJeff Kirsher .set_settings = set_settings, 2099f7917c00SJeff Kirsher .get_drvinfo = get_drvinfo, 2100f7917c00SJeff Kirsher .get_msglevel = get_msglevel, 2101f7917c00SJeff Kirsher .set_msglevel = set_msglevel, 2102f7917c00SJeff Kirsher .get_ringparam = get_sge_param, 2103f7917c00SJeff Kirsher .set_ringparam = set_sge_param, 2104f7917c00SJeff Kirsher .get_coalesce = get_coalesce, 2105f7917c00SJeff Kirsher .set_coalesce = set_coalesce, 2106f7917c00SJeff Kirsher .get_eeprom_len = get_eeprom_len, 2107f7917c00SJeff Kirsher .get_eeprom = get_eeprom, 2108f7917c00SJeff Kirsher .set_eeprom = set_eeprom, 2109f7917c00SJeff Kirsher .get_pauseparam = get_pauseparam, 2110f7917c00SJeff Kirsher .set_pauseparam = set_pauseparam, 2111f7917c00SJeff Kirsher .get_link = ethtool_op_get_link, 2112f7917c00SJeff Kirsher .get_strings = get_strings, 2113f7917c00SJeff Kirsher .set_phys_id = set_phys_id, 2114f7917c00SJeff Kirsher .nway_reset = restart_autoneg, 2115f7917c00SJeff Kirsher .get_sset_count = get_sset_count, 2116f7917c00SJeff Kirsher .get_ethtool_stats = get_stats, 2117f7917c00SJeff Kirsher .get_regs_len = get_regs_len, 2118f7917c00SJeff Kirsher .get_regs = get_regs, 2119f7917c00SJeff Kirsher .get_wol = get_wol, 2120f7917c00SJeff Kirsher }; 2121f7917c00SJeff Kirsher 2122f7917c00SJeff Kirsher static int in_range(int val, int lo, int hi) 2123f7917c00SJeff Kirsher { 2124f7917c00SJeff Kirsher return val < 0 || (val <= hi && val >= lo); 2125f7917c00SJeff Kirsher } 2126f7917c00SJeff Kirsher 2127f7917c00SJeff Kirsher static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) 2128f7917c00SJeff Kirsher { 2129f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 2130f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 2131f7917c00SJeff Kirsher u32 cmd; 2132f7917c00SJeff Kirsher int ret; 2133f7917c00SJeff Kirsher 2134f7917c00SJeff Kirsher if (copy_from_user(&cmd, useraddr, sizeof(cmd))) 2135f7917c00SJeff Kirsher return -EFAULT; 2136f7917c00SJeff Kirsher 2137f7917c00SJeff Kirsher switch (cmd) { 2138f7917c00SJeff Kirsher case CHELSIO_SET_QSET_PARAMS:{ 2139f7917c00SJeff Kirsher int i; 2140f7917c00SJeff Kirsher struct qset_params *q; 2141f7917c00SJeff Kirsher struct ch_qset_params t; 2142f7917c00SJeff Kirsher int q1 = pi->first_qset; 2143f7917c00SJeff Kirsher int nqsets = pi->nqsets; 2144f7917c00SJeff Kirsher 2145f7917c00SJeff Kirsher if (!capable(CAP_NET_ADMIN)) 2146f7917c00SJeff Kirsher return -EPERM; 2147f7917c00SJeff Kirsher if (copy_from_user(&t, useraddr, sizeof(t))) 2148f7917c00SJeff Kirsher return -EFAULT; 2149f7917c00SJeff Kirsher if (t.qset_idx >= SGE_QSETS) 2150f7917c00SJeff Kirsher return -EINVAL; 2151f7917c00SJeff Kirsher if (!in_range(t.intr_lat, 0, M_NEWTIMER) || 2152f7917c00SJeff Kirsher !in_range(t.cong_thres, 0, 255) || 2153f7917c00SJeff Kirsher !in_range(t.txq_size[0], MIN_TXQ_ENTRIES, 2154f7917c00SJeff Kirsher MAX_TXQ_ENTRIES) || 2155f7917c00SJeff Kirsher !in_range(t.txq_size[1], MIN_TXQ_ENTRIES, 2156f7917c00SJeff Kirsher MAX_TXQ_ENTRIES) || 2157f7917c00SJeff Kirsher !in_range(t.txq_size[2], MIN_CTRL_TXQ_ENTRIES, 2158f7917c00SJeff Kirsher MAX_CTRL_TXQ_ENTRIES) || 2159f7917c00SJeff Kirsher !in_range(t.fl_size[0], MIN_FL_ENTRIES, 2160f7917c00SJeff Kirsher MAX_RX_BUFFERS) || 2161f7917c00SJeff Kirsher !in_range(t.fl_size[1], MIN_FL_ENTRIES, 2162f7917c00SJeff Kirsher MAX_RX_JUMBO_BUFFERS) || 2163f7917c00SJeff Kirsher !in_range(t.rspq_size, MIN_RSPQ_ENTRIES, 2164f7917c00SJeff Kirsher MAX_RSPQ_ENTRIES)) 2165f7917c00SJeff Kirsher return -EINVAL; 2166f7917c00SJeff Kirsher 2167f7917c00SJeff Kirsher if ((adapter->flags & FULL_INIT_DONE) && 2168f7917c00SJeff Kirsher (t.rspq_size >= 0 || t.fl_size[0] >= 0 || 2169f7917c00SJeff Kirsher t.fl_size[1] >= 0 || t.txq_size[0] >= 0 || 2170f7917c00SJeff Kirsher t.txq_size[1] >= 0 || t.txq_size[2] >= 0 || 2171f7917c00SJeff Kirsher t.polling >= 0 || t.cong_thres >= 0)) 2172f7917c00SJeff Kirsher return -EBUSY; 2173f7917c00SJeff Kirsher 2174f7917c00SJeff Kirsher /* Allow setting of any available qset when offload enabled */ 2175f7917c00SJeff Kirsher if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { 2176f7917c00SJeff Kirsher q1 = 0; 2177f7917c00SJeff Kirsher for_each_port(adapter, i) { 2178f7917c00SJeff Kirsher pi = adap2pinfo(adapter, i); 2179f7917c00SJeff Kirsher nqsets += pi->first_qset + pi->nqsets; 2180f7917c00SJeff Kirsher } 2181f7917c00SJeff Kirsher } 2182f7917c00SJeff Kirsher 2183f7917c00SJeff Kirsher if (t.qset_idx < q1) 2184f7917c00SJeff Kirsher return -EINVAL; 2185f7917c00SJeff Kirsher if (t.qset_idx > q1 + nqsets - 1) 2186f7917c00SJeff Kirsher return -EINVAL; 2187f7917c00SJeff Kirsher 2188f7917c00SJeff Kirsher q = &adapter->params.sge.qset[t.qset_idx]; 2189f7917c00SJeff Kirsher 2190f7917c00SJeff Kirsher if (t.rspq_size >= 0) 2191f7917c00SJeff Kirsher q->rspq_size = t.rspq_size; 2192f7917c00SJeff Kirsher if (t.fl_size[0] >= 0) 2193f7917c00SJeff Kirsher q->fl_size = t.fl_size[0]; 2194f7917c00SJeff Kirsher if (t.fl_size[1] >= 0) 2195f7917c00SJeff Kirsher q->jumbo_size = t.fl_size[1]; 2196f7917c00SJeff Kirsher if (t.txq_size[0] >= 0) 2197f7917c00SJeff Kirsher q->txq_size[0] = t.txq_size[0]; 2198f7917c00SJeff Kirsher if (t.txq_size[1] >= 0) 2199f7917c00SJeff Kirsher q->txq_size[1] = t.txq_size[1]; 2200f7917c00SJeff Kirsher if (t.txq_size[2] >= 0) 2201f7917c00SJeff Kirsher q->txq_size[2] = t.txq_size[2]; 2202f7917c00SJeff Kirsher if (t.cong_thres >= 0) 2203f7917c00SJeff Kirsher q->cong_thres = t.cong_thres; 2204f7917c00SJeff Kirsher if (t.intr_lat >= 0) { 2205f7917c00SJeff Kirsher struct sge_qset *qs = 2206f7917c00SJeff Kirsher &adapter->sge.qs[t.qset_idx]; 2207f7917c00SJeff Kirsher 2208f7917c00SJeff Kirsher q->coalesce_usecs = t.intr_lat; 2209f7917c00SJeff Kirsher t3_update_qset_coalesce(qs, q); 2210f7917c00SJeff Kirsher } 2211f7917c00SJeff Kirsher if (t.polling >= 0) { 2212f7917c00SJeff Kirsher if (adapter->flags & USING_MSIX) 2213f7917c00SJeff Kirsher q->polling = t.polling; 2214f7917c00SJeff Kirsher else { 2215f7917c00SJeff Kirsher /* No polling with INTx for T3A */ 2216f7917c00SJeff Kirsher if (adapter->params.rev == 0 && 2217f7917c00SJeff Kirsher !(adapter->flags & USING_MSI)) 2218f7917c00SJeff Kirsher t.polling = 0; 2219f7917c00SJeff Kirsher 2220f7917c00SJeff Kirsher for (i = 0; i < SGE_QSETS; i++) { 2221f7917c00SJeff Kirsher q = &adapter->params.sge. 2222f7917c00SJeff Kirsher qset[i]; 2223f7917c00SJeff Kirsher q->polling = t.polling; 2224f7917c00SJeff Kirsher } 2225f7917c00SJeff Kirsher } 2226f7917c00SJeff Kirsher } 2227f7917c00SJeff Kirsher 2228f7917c00SJeff Kirsher if (t.lro >= 0) { 2229f7917c00SJeff Kirsher if (t.lro) 2230f7917c00SJeff Kirsher dev->wanted_features |= NETIF_F_GRO; 2231f7917c00SJeff Kirsher else 2232f7917c00SJeff Kirsher dev->wanted_features &= ~NETIF_F_GRO; 2233f7917c00SJeff Kirsher netdev_update_features(dev); 2234f7917c00SJeff Kirsher } 2235f7917c00SJeff Kirsher 2236f7917c00SJeff Kirsher break; 2237f7917c00SJeff Kirsher } 2238f7917c00SJeff Kirsher case CHELSIO_GET_QSET_PARAMS:{ 2239f7917c00SJeff Kirsher struct qset_params *q; 2240f7917c00SJeff Kirsher struct ch_qset_params t; 2241f7917c00SJeff Kirsher int q1 = pi->first_qset; 2242f7917c00SJeff Kirsher int nqsets = pi->nqsets; 2243f7917c00SJeff Kirsher int i; 2244f7917c00SJeff Kirsher 2245f7917c00SJeff Kirsher if (copy_from_user(&t, useraddr, sizeof(t))) 2246f7917c00SJeff Kirsher return -EFAULT; 2247f7917c00SJeff Kirsher 2248f7917c00SJeff Kirsher /* Display qsets for all ports when offload enabled */ 2249f7917c00SJeff Kirsher if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { 2250f7917c00SJeff Kirsher q1 = 0; 2251f7917c00SJeff Kirsher for_each_port(adapter, i) { 2252f7917c00SJeff Kirsher pi = adap2pinfo(adapter, i); 2253f7917c00SJeff Kirsher nqsets = pi->first_qset + pi->nqsets; 2254f7917c00SJeff Kirsher } 2255f7917c00SJeff Kirsher } 2256f7917c00SJeff Kirsher 2257f7917c00SJeff Kirsher if (t.qset_idx >= nqsets) 2258f7917c00SJeff Kirsher return -EINVAL; 2259f7917c00SJeff Kirsher 2260f7917c00SJeff Kirsher q = &adapter->params.sge.qset[q1 + t.qset_idx]; 2261f7917c00SJeff Kirsher t.rspq_size = q->rspq_size; 2262f7917c00SJeff Kirsher t.txq_size[0] = q->txq_size[0]; 2263f7917c00SJeff Kirsher t.txq_size[1] = q->txq_size[1]; 2264f7917c00SJeff Kirsher t.txq_size[2] = q->txq_size[2]; 2265f7917c00SJeff Kirsher t.fl_size[0] = q->fl_size; 2266f7917c00SJeff Kirsher t.fl_size[1] = q->jumbo_size; 2267f7917c00SJeff Kirsher t.polling = q->polling; 2268f7917c00SJeff Kirsher t.lro = !!(dev->features & NETIF_F_GRO); 2269f7917c00SJeff Kirsher t.intr_lat = q->coalesce_usecs; 2270f7917c00SJeff Kirsher t.cong_thres = q->cong_thres; 2271f7917c00SJeff Kirsher t.qnum = q1; 2272f7917c00SJeff Kirsher 2273f7917c00SJeff Kirsher if (adapter->flags & USING_MSIX) 2274f7917c00SJeff Kirsher t.vector = adapter->msix_info[q1 + t.qset_idx + 1].vec; 2275f7917c00SJeff Kirsher else 2276f7917c00SJeff Kirsher t.vector = adapter->pdev->irq; 2277f7917c00SJeff Kirsher 2278f7917c00SJeff Kirsher if (copy_to_user(useraddr, &t, sizeof(t))) 2279f7917c00SJeff Kirsher return -EFAULT; 2280f7917c00SJeff Kirsher break; 2281f7917c00SJeff Kirsher } 2282f7917c00SJeff Kirsher case CHELSIO_SET_QSET_NUM:{ 2283f7917c00SJeff Kirsher struct ch_reg edata; 2284f7917c00SJeff Kirsher unsigned int i, first_qset = 0, other_qsets = 0; 2285f7917c00SJeff Kirsher 2286f7917c00SJeff Kirsher if (!capable(CAP_NET_ADMIN)) 2287f7917c00SJeff Kirsher return -EPERM; 2288f7917c00SJeff Kirsher if (adapter->flags & FULL_INIT_DONE) 2289f7917c00SJeff Kirsher return -EBUSY; 2290f7917c00SJeff Kirsher if (copy_from_user(&edata, useraddr, sizeof(edata))) 2291f7917c00SJeff Kirsher return -EFAULT; 2292f7917c00SJeff Kirsher if (edata.val < 1 || 2293f7917c00SJeff Kirsher (edata.val > 1 && !(adapter->flags & USING_MSIX))) 2294f7917c00SJeff Kirsher return -EINVAL; 2295f7917c00SJeff Kirsher 2296f7917c00SJeff Kirsher for_each_port(adapter, i) 2297f7917c00SJeff Kirsher if (adapter->port[i] && adapter->port[i] != dev) 2298f7917c00SJeff Kirsher other_qsets += adap2pinfo(adapter, i)->nqsets; 2299f7917c00SJeff Kirsher 2300f7917c00SJeff Kirsher if (edata.val + other_qsets > SGE_QSETS) 2301f7917c00SJeff Kirsher return -EINVAL; 2302f7917c00SJeff Kirsher 2303f7917c00SJeff Kirsher pi->nqsets = edata.val; 2304f7917c00SJeff Kirsher 2305f7917c00SJeff Kirsher for_each_port(adapter, i) 2306f7917c00SJeff Kirsher if (adapter->port[i]) { 2307f7917c00SJeff Kirsher pi = adap2pinfo(adapter, i); 2308f7917c00SJeff Kirsher pi->first_qset = first_qset; 2309f7917c00SJeff Kirsher first_qset += pi->nqsets; 2310f7917c00SJeff Kirsher } 2311f7917c00SJeff Kirsher break; 2312f7917c00SJeff Kirsher } 2313f7917c00SJeff Kirsher case CHELSIO_GET_QSET_NUM:{ 2314f7917c00SJeff Kirsher struct ch_reg edata; 2315f7917c00SJeff Kirsher 2316f7917c00SJeff Kirsher memset(&edata, 0, sizeof(struct ch_reg)); 2317f7917c00SJeff Kirsher 2318f7917c00SJeff Kirsher edata.cmd = CHELSIO_GET_QSET_NUM; 2319f7917c00SJeff Kirsher edata.val = pi->nqsets; 2320f7917c00SJeff Kirsher if (copy_to_user(useraddr, &edata, sizeof(edata))) 2321f7917c00SJeff Kirsher return -EFAULT; 2322f7917c00SJeff Kirsher break; 2323f7917c00SJeff Kirsher } 2324f7917c00SJeff Kirsher case CHELSIO_LOAD_FW:{ 2325f7917c00SJeff Kirsher u8 *fw_data; 2326f7917c00SJeff Kirsher struct ch_mem_range t; 2327f7917c00SJeff Kirsher 2328f7917c00SJeff Kirsher if (!capable(CAP_SYS_RAWIO)) 2329f7917c00SJeff Kirsher return -EPERM; 2330f7917c00SJeff Kirsher if (copy_from_user(&t, useraddr, sizeof(t))) 2331f7917c00SJeff Kirsher return -EFAULT; 2332f7917c00SJeff Kirsher /* Check t.len sanity ? */ 2333f7917c00SJeff Kirsher fw_data = memdup_user(useraddr + sizeof(t), t.len); 2334f7917c00SJeff Kirsher if (IS_ERR(fw_data)) 2335f7917c00SJeff Kirsher return PTR_ERR(fw_data); 2336f7917c00SJeff Kirsher 2337f7917c00SJeff Kirsher ret = t3_load_fw(adapter, fw_data, t.len); 2338f7917c00SJeff Kirsher kfree(fw_data); 2339f7917c00SJeff Kirsher if (ret) 2340f7917c00SJeff Kirsher return ret; 2341f7917c00SJeff Kirsher break; 2342f7917c00SJeff Kirsher } 2343f7917c00SJeff Kirsher case CHELSIO_SETMTUTAB:{ 2344f7917c00SJeff Kirsher struct ch_mtus m; 2345f7917c00SJeff Kirsher int i; 2346f7917c00SJeff Kirsher 2347f7917c00SJeff Kirsher if (!is_offload(adapter)) 2348f7917c00SJeff Kirsher return -EOPNOTSUPP; 2349f7917c00SJeff Kirsher if (!capable(CAP_NET_ADMIN)) 2350f7917c00SJeff Kirsher return -EPERM; 2351f7917c00SJeff Kirsher if (offload_running(adapter)) 2352f7917c00SJeff Kirsher return -EBUSY; 2353f7917c00SJeff Kirsher if (copy_from_user(&m, useraddr, sizeof(m))) 2354f7917c00SJeff Kirsher return -EFAULT; 2355f7917c00SJeff Kirsher if (m.nmtus != NMTUS) 2356f7917c00SJeff Kirsher return -EINVAL; 2357f7917c00SJeff Kirsher if (m.mtus[0] < 81) /* accommodate SACK */ 2358f7917c00SJeff Kirsher return -EINVAL; 2359f7917c00SJeff Kirsher 2360f7917c00SJeff Kirsher /* MTUs must be in ascending order */ 2361f7917c00SJeff Kirsher for (i = 1; i < NMTUS; ++i) 2362f7917c00SJeff Kirsher if (m.mtus[i] < m.mtus[i - 1]) 2363f7917c00SJeff Kirsher return -EINVAL; 2364f7917c00SJeff Kirsher 2365f7917c00SJeff Kirsher memcpy(adapter->params.mtus, m.mtus, 2366f7917c00SJeff Kirsher sizeof(adapter->params.mtus)); 2367f7917c00SJeff Kirsher break; 2368f7917c00SJeff Kirsher } 2369f7917c00SJeff Kirsher case CHELSIO_GET_PM:{ 2370f7917c00SJeff Kirsher struct tp_params *p = &adapter->params.tp; 2371f7917c00SJeff Kirsher struct ch_pm m = {.cmd = CHELSIO_GET_PM }; 2372f7917c00SJeff Kirsher 2373f7917c00SJeff Kirsher if (!is_offload(adapter)) 2374f7917c00SJeff Kirsher return -EOPNOTSUPP; 2375f7917c00SJeff Kirsher m.tx_pg_sz = p->tx_pg_size; 2376f7917c00SJeff Kirsher m.tx_num_pg = p->tx_num_pgs; 2377f7917c00SJeff Kirsher m.rx_pg_sz = p->rx_pg_size; 2378f7917c00SJeff Kirsher m.rx_num_pg = p->rx_num_pgs; 2379f7917c00SJeff Kirsher m.pm_total = p->pmtx_size + p->chan_rx_size * p->nchan; 2380f7917c00SJeff Kirsher if (copy_to_user(useraddr, &m, sizeof(m))) 2381f7917c00SJeff Kirsher return -EFAULT; 2382f7917c00SJeff Kirsher break; 2383f7917c00SJeff Kirsher } 2384f7917c00SJeff Kirsher case CHELSIO_SET_PM:{ 2385f7917c00SJeff Kirsher struct ch_pm m; 2386f7917c00SJeff Kirsher struct tp_params *p = &adapter->params.tp; 2387f7917c00SJeff Kirsher 2388f7917c00SJeff Kirsher if (!is_offload(adapter)) 2389f7917c00SJeff Kirsher return -EOPNOTSUPP; 2390f7917c00SJeff Kirsher if (!capable(CAP_NET_ADMIN)) 2391f7917c00SJeff Kirsher return -EPERM; 2392f7917c00SJeff Kirsher if (adapter->flags & FULL_INIT_DONE) 2393f7917c00SJeff Kirsher return -EBUSY; 2394f7917c00SJeff Kirsher if (copy_from_user(&m, useraddr, sizeof(m))) 2395f7917c00SJeff Kirsher return -EFAULT; 2396f7917c00SJeff Kirsher if (!is_power_of_2(m.rx_pg_sz) || 2397f7917c00SJeff Kirsher !is_power_of_2(m.tx_pg_sz)) 2398f7917c00SJeff Kirsher return -EINVAL; /* not power of 2 */ 2399f7917c00SJeff Kirsher if (!(m.rx_pg_sz & 0x14000)) 2400f7917c00SJeff Kirsher return -EINVAL; /* not 16KB or 64KB */ 2401f7917c00SJeff Kirsher if (!(m.tx_pg_sz & 0x1554000)) 2402f7917c00SJeff Kirsher return -EINVAL; 2403f7917c00SJeff Kirsher if (m.tx_num_pg == -1) 2404f7917c00SJeff Kirsher m.tx_num_pg = p->tx_num_pgs; 2405f7917c00SJeff Kirsher if (m.rx_num_pg == -1) 2406f7917c00SJeff Kirsher m.rx_num_pg = p->rx_num_pgs; 2407f7917c00SJeff Kirsher if (m.tx_num_pg % 24 || m.rx_num_pg % 24) 2408f7917c00SJeff Kirsher return -EINVAL; 2409f7917c00SJeff Kirsher if (m.rx_num_pg * m.rx_pg_sz > p->chan_rx_size || 2410f7917c00SJeff Kirsher m.tx_num_pg * m.tx_pg_sz > p->chan_tx_size) 2411f7917c00SJeff Kirsher return -EINVAL; 2412f7917c00SJeff Kirsher p->rx_pg_size = m.rx_pg_sz; 2413f7917c00SJeff Kirsher p->tx_pg_size = m.tx_pg_sz; 2414f7917c00SJeff Kirsher p->rx_num_pgs = m.rx_num_pg; 2415f7917c00SJeff Kirsher p->tx_num_pgs = m.tx_num_pg; 2416f7917c00SJeff Kirsher break; 2417f7917c00SJeff Kirsher } 2418f7917c00SJeff Kirsher case CHELSIO_GET_MEM:{ 2419f7917c00SJeff Kirsher struct ch_mem_range t; 2420f7917c00SJeff Kirsher struct mc7 *mem; 2421f7917c00SJeff Kirsher u64 buf[32]; 2422f7917c00SJeff Kirsher 2423f7917c00SJeff Kirsher if (!is_offload(adapter)) 2424f7917c00SJeff Kirsher return -EOPNOTSUPP; 2425f7917c00SJeff Kirsher if (!(adapter->flags & FULL_INIT_DONE)) 2426f7917c00SJeff Kirsher return -EIO; /* need the memory controllers */ 2427f7917c00SJeff Kirsher if (copy_from_user(&t, useraddr, sizeof(t))) 2428f7917c00SJeff Kirsher return -EFAULT; 2429f7917c00SJeff Kirsher if ((t.addr & 7) || (t.len & 7)) 2430f7917c00SJeff Kirsher return -EINVAL; 2431f7917c00SJeff Kirsher if (t.mem_id == MEM_CM) 2432f7917c00SJeff Kirsher mem = &adapter->cm; 2433f7917c00SJeff Kirsher else if (t.mem_id == MEM_PMRX) 2434f7917c00SJeff Kirsher mem = &adapter->pmrx; 2435f7917c00SJeff Kirsher else if (t.mem_id == MEM_PMTX) 2436f7917c00SJeff Kirsher mem = &adapter->pmtx; 2437f7917c00SJeff Kirsher else 2438f7917c00SJeff Kirsher return -EINVAL; 2439f7917c00SJeff Kirsher 2440f7917c00SJeff Kirsher /* 2441f7917c00SJeff Kirsher * Version scheme: 2442f7917c00SJeff Kirsher * bits 0..9: chip version 2443f7917c00SJeff Kirsher * bits 10..15: chip revision 2444f7917c00SJeff Kirsher */ 2445f7917c00SJeff Kirsher t.version = 3 | (adapter->params.rev << 10); 2446f7917c00SJeff Kirsher if (copy_to_user(useraddr, &t, sizeof(t))) 2447f7917c00SJeff Kirsher return -EFAULT; 2448f7917c00SJeff Kirsher 2449f7917c00SJeff Kirsher /* 2450f7917c00SJeff Kirsher * Read 256 bytes at a time as len can be large and we don't 2451f7917c00SJeff Kirsher * want to use huge intermediate buffers. 2452f7917c00SJeff Kirsher */ 2453f7917c00SJeff Kirsher useraddr += sizeof(t); /* advance to start of buffer */ 2454f7917c00SJeff Kirsher while (t.len) { 2455f7917c00SJeff Kirsher unsigned int chunk = 2456f7917c00SJeff Kirsher min_t(unsigned int, t.len, sizeof(buf)); 2457f7917c00SJeff Kirsher 2458f7917c00SJeff Kirsher ret = 2459f7917c00SJeff Kirsher t3_mc7_bd_read(mem, t.addr / 8, chunk / 8, 2460f7917c00SJeff Kirsher buf); 2461f7917c00SJeff Kirsher if (ret) 2462f7917c00SJeff Kirsher return ret; 2463f7917c00SJeff Kirsher if (copy_to_user(useraddr, buf, chunk)) 2464f7917c00SJeff Kirsher return -EFAULT; 2465f7917c00SJeff Kirsher useraddr += chunk; 2466f7917c00SJeff Kirsher t.addr += chunk; 2467f7917c00SJeff Kirsher t.len -= chunk; 2468f7917c00SJeff Kirsher } 2469f7917c00SJeff Kirsher break; 2470f7917c00SJeff Kirsher } 2471f7917c00SJeff Kirsher case CHELSIO_SET_TRACE_FILTER:{ 2472f7917c00SJeff Kirsher struct ch_trace t; 2473f7917c00SJeff Kirsher const struct trace_params *tp; 2474f7917c00SJeff Kirsher 2475f7917c00SJeff Kirsher if (!capable(CAP_NET_ADMIN)) 2476f7917c00SJeff Kirsher return -EPERM; 2477f7917c00SJeff Kirsher if (!offload_running(adapter)) 2478f7917c00SJeff Kirsher return -EAGAIN; 2479f7917c00SJeff Kirsher if (copy_from_user(&t, useraddr, sizeof(t))) 2480f7917c00SJeff Kirsher return -EFAULT; 2481f7917c00SJeff Kirsher 2482f7917c00SJeff Kirsher tp = (const struct trace_params *)&t.sip; 2483f7917c00SJeff Kirsher if (t.config_tx) 2484f7917c00SJeff Kirsher t3_config_trace_filter(adapter, tp, 0, 2485f7917c00SJeff Kirsher t.invert_match, 2486f7917c00SJeff Kirsher t.trace_tx); 2487f7917c00SJeff Kirsher if (t.config_rx) 2488f7917c00SJeff Kirsher t3_config_trace_filter(adapter, tp, 1, 2489f7917c00SJeff Kirsher t.invert_match, 2490f7917c00SJeff Kirsher t.trace_rx); 2491f7917c00SJeff Kirsher break; 2492f7917c00SJeff Kirsher } 2493f7917c00SJeff Kirsher default: 2494f7917c00SJeff Kirsher return -EOPNOTSUPP; 2495f7917c00SJeff Kirsher } 2496f7917c00SJeff Kirsher return 0; 2497f7917c00SJeff Kirsher } 2498f7917c00SJeff Kirsher 2499f7917c00SJeff Kirsher static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd) 2500f7917c00SJeff Kirsher { 2501f7917c00SJeff Kirsher struct mii_ioctl_data *data = if_mii(req); 2502f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 2503f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 2504f7917c00SJeff Kirsher 2505f7917c00SJeff Kirsher switch (cmd) { 2506f7917c00SJeff Kirsher case SIOCGMIIREG: 2507f7917c00SJeff Kirsher case SIOCSMIIREG: 2508f7917c00SJeff Kirsher /* Convert phy_id from older PRTAD/DEVAD format */ 2509f7917c00SJeff Kirsher if (is_10G(adapter) && 2510f7917c00SJeff Kirsher !mdio_phy_id_is_c45(data->phy_id) && 2511f7917c00SJeff Kirsher (data->phy_id & 0x1f00) && 2512f7917c00SJeff Kirsher !(data->phy_id & 0xe0e0)) 2513f7917c00SJeff Kirsher data->phy_id = mdio_phy_id_c45(data->phy_id >> 8, 2514f7917c00SJeff Kirsher data->phy_id & 0x1f); 2515f7917c00SJeff Kirsher /* FALLTHRU */ 2516f7917c00SJeff Kirsher case SIOCGMIIPHY: 2517f7917c00SJeff Kirsher return mdio_mii_ioctl(&pi->phy.mdio, data, cmd); 2518f7917c00SJeff Kirsher case SIOCCHIOCTL: 2519f7917c00SJeff Kirsher return cxgb_extension_ioctl(dev, req->ifr_data); 2520f7917c00SJeff Kirsher default: 2521f7917c00SJeff Kirsher return -EOPNOTSUPP; 2522f7917c00SJeff Kirsher } 2523f7917c00SJeff Kirsher } 2524f7917c00SJeff Kirsher 2525f7917c00SJeff Kirsher static int cxgb_change_mtu(struct net_device *dev, int new_mtu) 2526f7917c00SJeff Kirsher { 2527f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 2528f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 2529f7917c00SJeff Kirsher int ret; 2530f7917c00SJeff Kirsher 2531f7917c00SJeff Kirsher if (new_mtu < 81) /* accommodate SACK */ 2532f7917c00SJeff Kirsher return -EINVAL; 2533f7917c00SJeff Kirsher if ((ret = t3_mac_set_mtu(&pi->mac, new_mtu))) 2534f7917c00SJeff Kirsher return ret; 2535f7917c00SJeff Kirsher dev->mtu = new_mtu; 2536f7917c00SJeff Kirsher init_port_mtus(adapter); 2537f7917c00SJeff Kirsher if (adapter->params.rev == 0 && offload_running(adapter)) 2538f7917c00SJeff Kirsher t3_load_mtus(adapter, adapter->params.mtus, 2539f7917c00SJeff Kirsher adapter->params.a_wnd, adapter->params.b_wnd, 2540f7917c00SJeff Kirsher adapter->port[0]->mtu); 2541f7917c00SJeff Kirsher return 0; 2542f7917c00SJeff Kirsher } 2543f7917c00SJeff Kirsher 2544f7917c00SJeff Kirsher static int cxgb_set_mac_addr(struct net_device *dev, void *p) 2545f7917c00SJeff Kirsher { 2546f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 2547f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 2548f7917c00SJeff Kirsher struct sockaddr *addr = p; 2549f7917c00SJeff Kirsher 2550f7917c00SJeff Kirsher if (!is_valid_ether_addr(addr->sa_data)) 2551504f9b5aSDanny Kukawka return -EADDRNOTAVAIL; 2552f7917c00SJeff Kirsher 2553f7917c00SJeff Kirsher memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); 2554f7917c00SJeff Kirsher t3_mac_set_address(&pi->mac, LAN_MAC_IDX, dev->dev_addr); 2555f7917c00SJeff Kirsher if (offload_running(adapter)) 2556f7917c00SJeff Kirsher write_smt_entry(adapter, pi->port_id); 2557f7917c00SJeff Kirsher return 0; 2558f7917c00SJeff Kirsher } 2559f7917c00SJeff Kirsher 2560c8f44affSMichał Mirosław static netdev_features_t cxgb_fix_features(struct net_device *dev, 2561c8f44affSMichał Mirosław netdev_features_t features) 2562f7917c00SJeff Kirsher { 2563f7917c00SJeff Kirsher /* 2564f7917c00SJeff Kirsher * Since there is no support for separate rx/tx vlan accel 2565f7917c00SJeff Kirsher * enable/disable make sure tx flag is always in same state as rx. 2566f7917c00SJeff Kirsher */ 2567f646968fSPatrick McHardy if (features & NETIF_F_HW_VLAN_CTAG_RX) 2568f646968fSPatrick McHardy features |= NETIF_F_HW_VLAN_CTAG_TX; 2569f7917c00SJeff Kirsher else 2570f646968fSPatrick McHardy features &= ~NETIF_F_HW_VLAN_CTAG_TX; 2571f7917c00SJeff Kirsher 2572f7917c00SJeff Kirsher return features; 2573f7917c00SJeff Kirsher } 2574f7917c00SJeff Kirsher 2575c8f44affSMichał Mirosław static int cxgb_set_features(struct net_device *dev, netdev_features_t features) 2576f7917c00SJeff Kirsher { 2577c8f44affSMichał Mirosław netdev_features_t changed = dev->features ^ features; 2578f7917c00SJeff Kirsher 2579f646968fSPatrick McHardy if (changed & NETIF_F_HW_VLAN_CTAG_RX) 2580f7917c00SJeff Kirsher cxgb_vlan_mode(dev, features); 2581f7917c00SJeff Kirsher 2582f7917c00SJeff Kirsher return 0; 2583f7917c00SJeff Kirsher } 2584f7917c00SJeff Kirsher 2585f7917c00SJeff Kirsher #ifdef CONFIG_NET_POLL_CONTROLLER 2586f7917c00SJeff Kirsher static void cxgb_netpoll(struct net_device *dev) 2587f7917c00SJeff Kirsher { 2588f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 2589f7917c00SJeff Kirsher struct adapter *adapter = pi->adapter; 2590f7917c00SJeff Kirsher int qidx; 2591f7917c00SJeff Kirsher 2592f7917c00SJeff Kirsher for (qidx = pi->first_qset; qidx < pi->first_qset + pi->nqsets; qidx++) { 2593f7917c00SJeff Kirsher struct sge_qset *qs = &adapter->sge.qs[qidx]; 2594f7917c00SJeff Kirsher void *source; 2595f7917c00SJeff Kirsher 2596f7917c00SJeff Kirsher if (adapter->flags & USING_MSIX) 2597f7917c00SJeff Kirsher source = qs; 2598f7917c00SJeff Kirsher else 2599f7917c00SJeff Kirsher source = adapter; 2600f7917c00SJeff Kirsher 2601f7917c00SJeff Kirsher t3_intr_handler(adapter, qs->rspq.polling) (0, source); 2602f7917c00SJeff Kirsher } 2603f7917c00SJeff Kirsher } 2604f7917c00SJeff Kirsher #endif 2605f7917c00SJeff Kirsher 2606f7917c00SJeff Kirsher /* 2607f7917c00SJeff Kirsher * Periodic accumulation of MAC statistics. 2608f7917c00SJeff Kirsher */ 2609f7917c00SJeff Kirsher static void mac_stats_update(struct adapter *adapter) 2610f7917c00SJeff Kirsher { 2611f7917c00SJeff Kirsher int i; 2612f7917c00SJeff Kirsher 2613f7917c00SJeff Kirsher for_each_port(adapter, i) { 2614f7917c00SJeff Kirsher struct net_device *dev = adapter->port[i]; 2615f7917c00SJeff Kirsher struct port_info *p = netdev_priv(dev); 2616f7917c00SJeff Kirsher 2617f7917c00SJeff Kirsher if (netif_running(dev)) { 2618f7917c00SJeff Kirsher spin_lock(&adapter->stats_lock); 2619f7917c00SJeff Kirsher t3_mac_update_stats(&p->mac); 2620f7917c00SJeff Kirsher spin_unlock(&adapter->stats_lock); 2621f7917c00SJeff Kirsher } 2622f7917c00SJeff Kirsher } 2623f7917c00SJeff Kirsher } 2624f7917c00SJeff Kirsher 2625f7917c00SJeff Kirsher static void check_link_status(struct adapter *adapter) 2626f7917c00SJeff Kirsher { 2627f7917c00SJeff Kirsher int i; 2628f7917c00SJeff Kirsher 2629f7917c00SJeff Kirsher for_each_port(adapter, i) { 2630f7917c00SJeff Kirsher struct net_device *dev = adapter->port[i]; 2631f7917c00SJeff Kirsher struct port_info *p = netdev_priv(dev); 2632f7917c00SJeff Kirsher int link_fault; 2633f7917c00SJeff Kirsher 2634f7917c00SJeff Kirsher spin_lock_irq(&adapter->work_lock); 2635f7917c00SJeff Kirsher link_fault = p->link_fault; 2636f7917c00SJeff Kirsher spin_unlock_irq(&adapter->work_lock); 2637f7917c00SJeff Kirsher 2638f7917c00SJeff Kirsher if (link_fault) { 2639f7917c00SJeff Kirsher t3_link_fault(adapter, i); 2640f7917c00SJeff Kirsher continue; 2641f7917c00SJeff Kirsher } 2642f7917c00SJeff Kirsher 2643f7917c00SJeff Kirsher if (!(p->phy.caps & SUPPORTED_IRQ) && netif_running(dev)) { 2644f7917c00SJeff Kirsher t3_xgm_intr_disable(adapter, i); 2645f7917c00SJeff Kirsher t3_read_reg(adapter, A_XGM_INT_STATUS + p->mac.offset); 2646f7917c00SJeff Kirsher 2647f7917c00SJeff Kirsher t3_link_changed(adapter, i); 2648f7917c00SJeff Kirsher t3_xgm_intr_enable(adapter, i); 2649f7917c00SJeff Kirsher } 2650f7917c00SJeff Kirsher } 2651f7917c00SJeff Kirsher } 2652f7917c00SJeff Kirsher 2653f7917c00SJeff Kirsher static void check_t3b2_mac(struct adapter *adapter) 2654f7917c00SJeff Kirsher { 2655f7917c00SJeff Kirsher int i; 2656f7917c00SJeff Kirsher 2657f7917c00SJeff Kirsher if (!rtnl_trylock()) /* synchronize with ifdown */ 2658f7917c00SJeff Kirsher return; 2659f7917c00SJeff Kirsher 2660f7917c00SJeff Kirsher for_each_port(adapter, i) { 2661f7917c00SJeff Kirsher struct net_device *dev = adapter->port[i]; 2662f7917c00SJeff Kirsher struct port_info *p = netdev_priv(dev); 2663f7917c00SJeff Kirsher int status; 2664f7917c00SJeff Kirsher 2665f7917c00SJeff Kirsher if (!netif_running(dev)) 2666f7917c00SJeff Kirsher continue; 2667f7917c00SJeff Kirsher 2668f7917c00SJeff Kirsher status = 0; 2669f7917c00SJeff Kirsher if (netif_running(dev) && netif_carrier_ok(dev)) 2670f7917c00SJeff Kirsher status = t3b2_mac_watchdog_task(&p->mac); 2671f7917c00SJeff Kirsher if (status == 1) 2672f7917c00SJeff Kirsher p->mac.stats.num_toggled++; 2673f7917c00SJeff Kirsher else if (status == 2) { 2674f7917c00SJeff Kirsher struct cmac *mac = &p->mac; 2675f7917c00SJeff Kirsher 2676f7917c00SJeff Kirsher t3_mac_set_mtu(mac, dev->mtu); 2677f7917c00SJeff Kirsher t3_mac_set_address(mac, LAN_MAC_IDX, dev->dev_addr); 2678f7917c00SJeff Kirsher cxgb_set_rxmode(dev); 2679f7917c00SJeff Kirsher t3_link_start(&p->phy, mac, &p->link_config); 2680f7917c00SJeff Kirsher t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); 2681f7917c00SJeff Kirsher t3_port_intr_enable(adapter, p->port_id); 2682f7917c00SJeff Kirsher p->mac.stats.num_resets++; 2683f7917c00SJeff Kirsher } 2684f7917c00SJeff Kirsher } 2685f7917c00SJeff Kirsher rtnl_unlock(); 2686f7917c00SJeff Kirsher } 2687f7917c00SJeff Kirsher 2688f7917c00SJeff Kirsher 2689f7917c00SJeff Kirsher static void t3_adap_check_task(struct work_struct *work) 2690f7917c00SJeff Kirsher { 2691f7917c00SJeff Kirsher struct adapter *adapter = container_of(work, struct adapter, 2692f7917c00SJeff Kirsher adap_check_task.work); 2693f7917c00SJeff Kirsher const struct adapter_params *p = &adapter->params; 2694f7917c00SJeff Kirsher int port; 2695f7917c00SJeff Kirsher unsigned int v, status, reset; 2696f7917c00SJeff Kirsher 2697f7917c00SJeff Kirsher adapter->check_task_cnt++; 2698f7917c00SJeff Kirsher 2699f7917c00SJeff Kirsher check_link_status(adapter); 2700f7917c00SJeff Kirsher 2701f7917c00SJeff Kirsher /* Accumulate MAC stats if needed */ 2702f7917c00SJeff Kirsher if (!p->linkpoll_period || 2703f7917c00SJeff Kirsher (adapter->check_task_cnt * p->linkpoll_period) / 10 >= 2704f7917c00SJeff Kirsher p->stats_update_period) { 2705f7917c00SJeff Kirsher mac_stats_update(adapter); 2706f7917c00SJeff Kirsher adapter->check_task_cnt = 0; 2707f7917c00SJeff Kirsher } 2708f7917c00SJeff Kirsher 2709f7917c00SJeff Kirsher if (p->rev == T3_REV_B2) 2710f7917c00SJeff Kirsher check_t3b2_mac(adapter); 2711f7917c00SJeff Kirsher 2712f7917c00SJeff Kirsher /* 2713f7917c00SJeff Kirsher * Scan the XGMAC's to check for various conditions which we want to 2714f7917c00SJeff Kirsher * monitor in a periodic polling manner rather than via an interrupt 2715f7917c00SJeff Kirsher * condition. This is used for conditions which would otherwise flood 2716f7917c00SJeff Kirsher * the system with interrupts and we only really need to know that the 2717f7917c00SJeff Kirsher * conditions are "happening" ... For each condition we count the 2718f7917c00SJeff Kirsher * detection of the condition and reset it for the next polling loop. 2719f7917c00SJeff Kirsher */ 2720f7917c00SJeff Kirsher for_each_port(adapter, port) { 2721f7917c00SJeff Kirsher struct cmac *mac = &adap2pinfo(adapter, port)->mac; 2722f7917c00SJeff Kirsher u32 cause; 2723f7917c00SJeff Kirsher 2724f7917c00SJeff Kirsher cause = t3_read_reg(adapter, A_XGM_INT_CAUSE + mac->offset); 2725f7917c00SJeff Kirsher reset = 0; 2726f7917c00SJeff Kirsher if (cause & F_RXFIFO_OVERFLOW) { 2727f7917c00SJeff Kirsher mac->stats.rx_fifo_ovfl++; 2728f7917c00SJeff Kirsher reset |= F_RXFIFO_OVERFLOW; 2729f7917c00SJeff Kirsher } 2730f7917c00SJeff Kirsher 2731f7917c00SJeff Kirsher t3_write_reg(adapter, A_XGM_INT_CAUSE + mac->offset, reset); 2732f7917c00SJeff Kirsher } 2733f7917c00SJeff Kirsher 2734f7917c00SJeff Kirsher /* 2735f7917c00SJeff Kirsher * We do the same as above for FL_EMPTY interrupts. 2736f7917c00SJeff Kirsher */ 2737f7917c00SJeff Kirsher status = t3_read_reg(adapter, A_SG_INT_CAUSE); 2738f7917c00SJeff Kirsher reset = 0; 2739f7917c00SJeff Kirsher 2740f7917c00SJeff Kirsher if (status & F_FLEMPTY) { 2741f7917c00SJeff Kirsher struct sge_qset *qs = &adapter->sge.qs[0]; 2742f7917c00SJeff Kirsher int i = 0; 2743f7917c00SJeff Kirsher 2744f7917c00SJeff Kirsher reset |= F_FLEMPTY; 2745f7917c00SJeff Kirsher 2746f7917c00SJeff Kirsher v = (t3_read_reg(adapter, A_SG_RSPQ_FL_STATUS) >> S_FL0EMPTY) & 2747f7917c00SJeff Kirsher 0xffff; 2748f7917c00SJeff Kirsher 2749f7917c00SJeff Kirsher while (v) { 2750f7917c00SJeff Kirsher qs->fl[i].empty += (v & 1); 2751f7917c00SJeff Kirsher if (i) 2752f7917c00SJeff Kirsher qs++; 2753f7917c00SJeff Kirsher i ^= 1; 2754f7917c00SJeff Kirsher v >>= 1; 2755f7917c00SJeff Kirsher } 2756f7917c00SJeff Kirsher } 2757f7917c00SJeff Kirsher 2758f7917c00SJeff Kirsher t3_write_reg(adapter, A_SG_INT_CAUSE, reset); 2759f7917c00SJeff Kirsher 2760f7917c00SJeff Kirsher /* Schedule the next check update if any port is active. */ 2761f7917c00SJeff Kirsher spin_lock_irq(&adapter->work_lock); 2762f7917c00SJeff Kirsher if (adapter->open_device_map & PORT_MASK) 2763f7917c00SJeff Kirsher schedule_chk_task(adapter); 2764f7917c00SJeff Kirsher spin_unlock_irq(&adapter->work_lock); 2765f7917c00SJeff Kirsher } 2766f7917c00SJeff Kirsher 2767f7917c00SJeff Kirsher static void db_full_task(struct work_struct *work) 2768f7917c00SJeff Kirsher { 2769f7917c00SJeff Kirsher struct adapter *adapter = container_of(work, struct adapter, 2770f7917c00SJeff Kirsher db_full_task); 2771f7917c00SJeff Kirsher 2772f7917c00SJeff Kirsher cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_FULL, 0); 2773f7917c00SJeff Kirsher } 2774f7917c00SJeff Kirsher 2775f7917c00SJeff Kirsher static void db_empty_task(struct work_struct *work) 2776f7917c00SJeff Kirsher { 2777f7917c00SJeff Kirsher struct adapter *adapter = container_of(work, struct adapter, 2778f7917c00SJeff Kirsher db_empty_task); 2779f7917c00SJeff Kirsher 2780f7917c00SJeff Kirsher cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_EMPTY, 0); 2781f7917c00SJeff Kirsher } 2782f7917c00SJeff Kirsher 2783f7917c00SJeff Kirsher static void db_drop_task(struct work_struct *work) 2784f7917c00SJeff Kirsher { 2785f7917c00SJeff Kirsher struct adapter *adapter = container_of(work, struct adapter, 2786f7917c00SJeff Kirsher db_drop_task); 2787f7917c00SJeff Kirsher unsigned long delay = 1000; 2788f7917c00SJeff Kirsher unsigned short r; 2789f7917c00SJeff Kirsher 2790f7917c00SJeff Kirsher cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_DROP, 0); 2791f7917c00SJeff Kirsher 2792f7917c00SJeff Kirsher /* 2793f7917c00SJeff Kirsher * Sleep a while before ringing the driver qset dbs. 2794f7917c00SJeff Kirsher * The delay is between 1000-2023 usecs. 2795f7917c00SJeff Kirsher */ 2796f7917c00SJeff Kirsher get_random_bytes(&r, 2); 2797f7917c00SJeff Kirsher delay += r & 1023; 2798f7917c00SJeff Kirsher set_current_state(TASK_UNINTERRUPTIBLE); 2799f7917c00SJeff Kirsher schedule_timeout(usecs_to_jiffies(delay)); 2800f7917c00SJeff Kirsher ring_dbs(adapter); 2801f7917c00SJeff Kirsher } 2802f7917c00SJeff Kirsher 2803f7917c00SJeff Kirsher /* 2804f7917c00SJeff Kirsher * Processes external (PHY) interrupts in process context. 2805f7917c00SJeff Kirsher */ 2806f7917c00SJeff Kirsher static void ext_intr_task(struct work_struct *work) 2807f7917c00SJeff Kirsher { 2808f7917c00SJeff Kirsher struct adapter *adapter = container_of(work, struct adapter, 2809f7917c00SJeff Kirsher ext_intr_handler_task); 2810f7917c00SJeff Kirsher int i; 2811f7917c00SJeff Kirsher 2812f7917c00SJeff Kirsher /* Disable link fault interrupts */ 2813f7917c00SJeff Kirsher for_each_port(adapter, i) { 2814f7917c00SJeff Kirsher struct net_device *dev = adapter->port[i]; 2815f7917c00SJeff Kirsher struct port_info *p = netdev_priv(dev); 2816f7917c00SJeff Kirsher 2817f7917c00SJeff Kirsher t3_xgm_intr_disable(adapter, i); 2818f7917c00SJeff Kirsher t3_read_reg(adapter, A_XGM_INT_STATUS + p->mac.offset); 2819f7917c00SJeff Kirsher } 2820f7917c00SJeff Kirsher 2821f7917c00SJeff Kirsher /* Re-enable link fault interrupts */ 2822f7917c00SJeff Kirsher t3_phy_intr_handler(adapter); 2823f7917c00SJeff Kirsher 2824f7917c00SJeff Kirsher for_each_port(adapter, i) 2825f7917c00SJeff Kirsher t3_xgm_intr_enable(adapter, i); 2826f7917c00SJeff Kirsher 2827f7917c00SJeff Kirsher /* Now reenable external interrupts */ 2828f7917c00SJeff Kirsher spin_lock_irq(&adapter->work_lock); 2829f7917c00SJeff Kirsher if (adapter->slow_intr_mask) { 2830f7917c00SJeff Kirsher adapter->slow_intr_mask |= F_T3DBG; 2831f7917c00SJeff Kirsher t3_write_reg(adapter, A_PL_INT_CAUSE0, F_T3DBG); 2832f7917c00SJeff Kirsher t3_write_reg(adapter, A_PL_INT_ENABLE0, 2833f7917c00SJeff Kirsher adapter->slow_intr_mask); 2834f7917c00SJeff Kirsher } 2835f7917c00SJeff Kirsher spin_unlock_irq(&adapter->work_lock); 2836f7917c00SJeff Kirsher } 2837f7917c00SJeff Kirsher 2838f7917c00SJeff Kirsher /* 2839f7917c00SJeff Kirsher * Interrupt-context handler for external (PHY) interrupts. 2840f7917c00SJeff Kirsher */ 2841f7917c00SJeff Kirsher void t3_os_ext_intr_handler(struct adapter *adapter) 2842f7917c00SJeff Kirsher { 2843f7917c00SJeff Kirsher /* 2844f7917c00SJeff Kirsher * Schedule a task to handle external interrupts as they may be slow 2845f7917c00SJeff Kirsher * and we use a mutex to protect MDIO registers. We disable PHY 2846f7917c00SJeff Kirsher * interrupts in the meantime and let the task reenable them when 2847f7917c00SJeff Kirsher * it's done. 2848f7917c00SJeff Kirsher */ 2849f7917c00SJeff Kirsher spin_lock(&adapter->work_lock); 2850f7917c00SJeff Kirsher if (adapter->slow_intr_mask) { 2851f7917c00SJeff Kirsher adapter->slow_intr_mask &= ~F_T3DBG; 2852f7917c00SJeff Kirsher t3_write_reg(adapter, A_PL_INT_ENABLE0, 2853f7917c00SJeff Kirsher adapter->slow_intr_mask); 2854f7917c00SJeff Kirsher queue_work(cxgb3_wq, &adapter->ext_intr_handler_task); 2855f7917c00SJeff Kirsher } 2856f7917c00SJeff Kirsher spin_unlock(&adapter->work_lock); 2857f7917c00SJeff Kirsher } 2858f7917c00SJeff Kirsher 2859f7917c00SJeff Kirsher void t3_os_link_fault_handler(struct adapter *adapter, int port_id) 2860f7917c00SJeff Kirsher { 2861f7917c00SJeff Kirsher struct net_device *netdev = adapter->port[port_id]; 2862f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(netdev); 2863f7917c00SJeff Kirsher 2864f7917c00SJeff Kirsher spin_lock(&adapter->work_lock); 2865f7917c00SJeff Kirsher pi->link_fault = 1; 2866f7917c00SJeff Kirsher spin_unlock(&adapter->work_lock); 2867f7917c00SJeff Kirsher } 2868f7917c00SJeff Kirsher 2869f7917c00SJeff Kirsher static int t3_adapter_error(struct adapter *adapter, int reset, int on_wq) 2870f7917c00SJeff Kirsher { 2871f7917c00SJeff Kirsher int i, ret = 0; 2872f7917c00SJeff Kirsher 2873f7917c00SJeff Kirsher if (is_offload(adapter) && 2874f7917c00SJeff Kirsher test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { 2875f7917c00SJeff Kirsher cxgb3_event_notify(&adapter->tdev, OFFLOAD_STATUS_DOWN, 0); 2876f7917c00SJeff Kirsher offload_close(&adapter->tdev); 2877f7917c00SJeff Kirsher } 2878f7917c00SJeff Kirsher 2879f7917c00SJeff Kirsher /* Stop all ports */ 2880f7917c00SJeff Kirsher for_each_port(adapter, i) { 2881f7917c00SJeff Kirsher struct net_device *netdev = adapter->port[i]; 2882f7917c00SJeff Kirsher 2883f7917c00SJeff Kirsher if (netif_running(netdev)) 2884f7917c00SJeff Kirsher __cxgb_close(netdev, on_wq); 2885f7917c00SJeff Kirsher } 2886f7917c00SJeff Kirsher 2887f7917c00SJeff Kirsher /* Stop SGE timers */ 2888f7917c00SJeff Kirsher t3_stop_sge_timers(adapter); 2889f7917c00SJeff Kirsher 2890f7917c00SJeff Kirsher adapter->flags &= ~FULL_INIT_DONE; 2891f7917c00SJeff Kirsher 2892f7917c00SJeff Kirsher if (reset) 2893f7917c00SJeff Kirsher ret = t3_reset_adapter(adapter); 2894f7917c00SJeff Kirsher 2895f7917c00SJeff Kirsher pci_disable_device(adapter->pdev); 2896f7917c00SJeff Kirsher 2897f7917c00SJeff Kirsher return ret; 2898f7917c00SJeff Kirsher } 2899f7917c00SJeff Kirsher 2900f7917c00SJeff Kirsher static int t3_reenable_adapter(struct adapter *adapter) 2901f7917c00SJeff Kirsher { 2902f7917c00SJeff Kirsher if (pci_enable_device(adapter->pdev)) { 2903f7917c00SJeff Kirsher dev_err(&adapter->pdev->dev, 2904f7917c00SJeff Kirsher "Cannot re-enable PCI device after reset.\n"); 2905f7917c00SJeff Kirsher goto err; 2906f7917c00SJeff Kirsher } 2907f7917c00SJeff Kirsher pci_set_master(adapter->pdev); 2908f7917c00SJeff Kirsher pci_restore_state(adapter->pdev); 2909f7917c00SJeff Kirsher pci_save_state(adapter->pdev); 2910f7917c00SJeff Kirsher 2911f7917c00SJeff Kirsher /* Free sge resources */ 2912f7917c00SJeff Kirsher t3_free_sge_resources(adapter); 2913f7917c00SJeff Kirsher 2914f7917c00SJeff Kirsher if (t3_replay_prep_adapter(adapter)) 2915f7917c00SJeff Kirsher goto err; 2916f7917c00SJeff Kirsher 2917f7917c00SJeff Kirsher return 0; 2918f7917c00SJeff Kirsher err: 2919f7917c00SJeff Kirsher return -1; 2920f7917c00SJeff Kirsher } 2921f7917c00SJeff Kirsher 2922f7917c00SJeff Kirsher static void t3_resume_ports(struct adapter *adapter) 2923f7917c00SJeff Kirsher { 2924f7917c00SJeff Kirsher int i; 2925f7917c00SJeff Kirsher 2926f7917c00SJeff Kirsher /* Restart the ports */ 2927f7917c00SJeff Kirsher for_each_port(adapter, i) { 2928f7917c00SJeff Kirsher struct net_device *netdev = adapter->port[i]; 2929f7917c00SJeff Kirsher 2930f7917c00SJeff Kirsher if (netif_running(netdev)) { 2931f7917c00SJeff Kirsher if (cxgb_open(netdev)) { 2932f7917c00SJeff Kirsher dev_err(&adapter->pdev->dev, 2933f7917c00SJeff Kirsher "can't bring device back up" 2934f7917c00SJeff Kirsher " after reset\n"); 2935f7917c00SJeff Kirsher continue; 2936f7917c00SJeff Kirsher } 2937f7917c00SJeff Kirsher } 2938f7917c00SJeff Kirsher } 2939f7917c00SJeff Kirsher 2940f7917c00SJeff Kirsher if (is_offload(adapter) && !ofld_disable) 2941f7917c00SJeff Kirsher cxgb3_event_notify(&adapter->tdev, OFFLOAD_STATUS_UP, 0); 2942f7917c00SJeff Kirsher } 2943f7917c00SJeff Kirsher 2944f7917c00SJeff Kirsher /* 2945f7917c00SJeff Kirsher * processes a fatal error. 2946f7917c00SJeff Kirsher * Bring the ports down, reset the chip, bring the ports back up. 2947f7917c00SJeff Kirsher */ 2948f7917c00SJeff Kirsher static void fatal_error_task(struct work_struct *work) 2949f7917c00SJeff Kirsher { 2950f7917c00SJeff Kirsher struct adapter *adapter = container_of(work, struct adapter, 2951f7917c00SJeff Kirsher fatal_error_handler_task); 2952f7917c00SJeff Kirsher int err = 0; 2953f7917c00SJeff Kirsher 2954f7917c00SJeff Kirsher rtnl_lock(); 2955f7917c00SJeff Kirsher err = t3_adapter_error(adapter, 1, 1); 2956f7917c00SJeff Kirsher if (!err) 2957f7917c00SJeff Kirsher err = t3_reenable_adapter(adapter); 2958f7917c00SJeff Kirsher if (!err) 2959f7917c00SJeff Kirsher t3_resume_ports(adapter); 2960f7917c00SJeff Kirsher 2961f7917c00SJeff Kirsher CH_ALERT(adapter, "adapter reset %s\n", err ? "failed" : "succeeded"); 2962f7917c00SJeff Kirsher rtnl_unlock(); 2963f7917c00SJeff Kirsher } 2964f7917c00SJeff Kirsher 2965f7917c00SJeff Kirsher void t3_fatal_err(struct adapter *adapter) 2966f7917c00SJeff Kirsher { 2967f7917c00SJeff Kirsher unsigned int fw_status[4]; 2968f7917c00SJeff Kirsher 2969f7917c00SJeff Kirsher if (adapter->flags & FULL_INIT_DONE) { 2970f7917c00SJeff Kirsher t3_sge_stop(adapter); 2971f7917c00SJeff Kirsher t3_write_reg(adapter, A_XGM_TX_CTRL, 0); 2972f7917c00SJeff Kirsher t3_write_reg(adapter, A_XGM_RX_CTRL, 0); 2973f7917c00SJeff Kirsher t3_write_reg(adapter, XGM_REG(A_XGM_TX_CTRL, 1), 0); 2974f7917c00SJeff Kirsher t3_write_reg(adapter, XGM_REG(A_XGM_RX_CTRL, 1), 0); 2975f7917c00SJeff Kirsher 2976f7917c00SJeff Kirsher spin_lock(&adapter->work_lock); 2977f7917c00SJeff Kirsher t3_intr_disable(adapter); 2978f7917c00SJeff Kirsher queue_work(cxgb3_wq, &adapter->fatal_error_handler_task); 2979f7917c00SJeff Kirsher spin_unlock(&adapter->work_lock); 2980f7917c00SJeff Kirsher } 2981f7917c00SJeff Kirsher CH_ALERT(adapter, "encountered fatal error, operation suspended\n"); 2982f7917c00SJeff Kirsher if (!t3_cim_ctl_blk_read(adapter, 0xa0, 4, fw_status)) 2983f7917c00SJeff Kirsher CH_ALERT(adapter, "FW status: 0x%x, 0x%x, 0x%x, 0x%x\n", 2984f7917c00SJeff Kirsher fw_status[0], fw_status[1], 2985f7917c00SJeff Kirsher fw_status[2], fw_status[3]); 2986f7917c00SJeff Kirsher } 2987f7917c00SJeff Kirsher 2988f7917c00SJeff Kirsher /** 2989f7917c00SJeff Kirsher * t3_io_error_detected - called when PCI error is detected 2990f7917c00SJeff Kirsher * @pdev: Pointer to PCI device 2991f7917c00SJeff Kirsher * @state: The current pci connection state 2992f7917c00SJeff Kirsher * 2993f7917c00SJeff Kirsher * This function is called after a PCI bus error affecting 2994f7917c00SJeff Kirsher * this device has been detected. 2995f7917c00SJeff Kirsher */ 2996f7917c00SJeff Kirsher static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev, 2997f7917c00SJeff Kirsher pci_channel_state_t state) 2998f7917c00SJeff Kirsher { 2999f7917c00SJeff Kirsher struct adapter *adapter = pci_get_drvdata(pdev); 3000f7917c00SJeff Kirsher 3001f7917c00SJeff Kirsher if (state == pci_channel_io_perm_failure) 3002f7917c00SJeff Kirsher return PCI_ERS_RESULT_DISCONNECT; 3003f7917c00SJeff Kirsher 3004f7917c00SJeff Kirsher t3_adapter_error(adapter, 0, 0); 3005f7917c00SJeff Kirsher 3006f7917c00SJeff Kirsher /* Request a slot reset. */ 3007f7917c00SJeff Kirsher return PCI_ERS_RESULT_NEED_RESET; 3008f7917c00SJeff Kirsher } 3009f7917c00SJeff Kirsher 3010f7917c00SJeff Kirsher /** 3011f7917c00SJeff Kirsher * t3_io_slot_reset - called after the pci bus has been reset. 3012f7917c00SJeff Kirsher * @pdev: Pointer to PCI device 3013f7917c00SJeff Kirsher * 3014f7917c00SJeff Kirsher * Restart the card from scratch, as if from a cold-boot. 3015f7917c00SJeff Kirsher */ 3016f7917c00SJeff Kirsher static pci_ers_result_t t3_io_slot_reset(struct pci_dev *pdev) 3017f7917c00SJeff Kirsher { 3018f7917c00SJeff Kirsher struct adapter *adapter = pci_get_drvdata(pdev); 3019f7917c00SJeff Kirsher 3020f7917c00SJeff Kirsher if (!t3_reenable_adapter(adapter)) 3021f7917c00SJeff Kirsher return PCI_ERS_RESULT_RECOVERED; 3022f7917c00SJeff Kirsher 3023f7917c00SJeff Kirsher return PCI_ERS_RESULT_DISCONNECT; 3024f7917c00SJeff Kirsher } 3025f7917c00SJeff Kirsher 3026f7917c00SJeff Kirsher /** 3027f7917c00SJeff Kirsher * t3_io_resume - called when traffic can start flowing again. 3028f7917c00SJeff Kirsher * @pdev: Pointer to PCI device 3029f7917c00SJeff Kirsher * 3030f7917c00SJeff Kirsher * This callback is called when the error recovery driver tells us that 3031f7917c00SJeff Kirsher * its OK to resume normal operation. 3032f7917c00SJeff Kirsher */ 3033f7917c00SJeff Kirsher static void t3_io_resume(struct pci_dev *pdev) 3034f7917c00SJeff Kirsher { 3035f7917c00SJeff Kirsher struct adapter *adapter = pci_get_drvdata(pdev); 3036f7917c00SJeff Kirsher 3037f7917c00SJeff Kirsher CH_ALERT(adapter, "adapter recovering, PEX ERR 0x%x\n", 3038f7917c00SJeff Kirsher t3_read_reg(adapter, A_PCIE_PEX_ERR)); 3039f7917c00SJeff Kirsher 30407cc47d13SBenjamin Herrenschmidt rtnl_lock(); 3041f7917c00SJeff Kirsher t3_resume_ports(adapter); 30427cc47d13SBenjamin Herrenschmidt rtnl_unlock(); 3043f7917c00SJeff Kirsher } 3044f7917c00SJeff Kirsher 30453646f0e5SStephen Hemminger static const struct pci_error_handlers t3_err_handler = { 3046f7917c00SJeff Kirsher .error_detected = t3_io_error_detected, 3047f7917c00SJeff Kirsher .slot_reset = t3_io_slot_reset, 3048f7917c00SJeff Kirsher .resume = t3_io_resume, 3049f7917c00SJeff Kirsher }; 3050f7917c00SJeff Kirsher 3051f7917c00SJeff Kirsher /* 3052f7917c00SJeff Kirsher * Set the number of qsets based on the number of CPUs and the number of ports, 3053f7917c00SJeff Kirsher * not to exceed the number of available qsets, assuming there are enough qsets 3054f7917c00SJeff Kirsher * per port in HW. 3055f7917c00SJeff Kirsher */ 3056f7917c00SJeff Kirsher static void set_nqsets(struct adapter *adap) 3057f7917c00SJeff Kirsher { 3058f7917c00SJeff Kirsher int i, j = 0; 3059dbfa6001SYuval Mintz int num_cpus = netif_get_num_default_rss_queues(); 3060f7917c00SJeff Kirsher int hwports = adap->params.nports; 3061f7917c00SJeff Kirsher int nqsets = adap->msix_nvectors - 1; 3062f7917c00SJeff Kirsher 3063f7917c00SJeff Kirsher if (adap->params.rev > 0 && adap->flags & USING_MSIX) { 3064f7917c00SJeff Kirsher if (hwports == 2 && 3065f7917c00SJeff Kirsher (hwports * nqsets > SGE_QSETS || 3066f7917c00SJeff Kirsher num_cpus >= nqsets / hwports)) 3067f7917c00SJeff Kirsher nqsets /= hwports; 3068f7917c00SJeff Kirsher if (nqsets > num_cpus) 3069f7917c00SJeff Kirsher nqsets = num_cpus; 3070f7917c00SJeff Kirsher if (nqsets < 1 || hwports == 4) 3071f7917c00SJeff Kirsher nqsets = 1; 3072f7917c00SJeff Kirsher } else 3073f7917c00SJeff Kirsher nqsets = 1; 3074f7917c00SJeff Kirsher 3075f7917c00SJeff Kirsher for_each_port(adap, i) { 3076f7917c00SJeff Kirsher struct port_info *pi = adap2pinfo(adap, i); 3077f7917c00SJeff Kirsher 3078f7917c00SJeff Kirsher pi->first_qset = j; 3079f7917c00SJeff Kirsher pi->nqsets = nqsets; 3080f7917c00SJeff Kirsher j = pi->first_qset + nqsets; 3081f7917c00SJeff Kirsher 3082f7917c00SJeff Kirsher dev_info(&adap->pdev->dev, 3083f7917c00SJeff Kirsher "Port %d using %d queue sets.\n", i, nqsets); 3084f7917c00SJeff Kirsher } 3085f7917c00SJeff Kirsher } 3086f7917c00SJeff Kirsher 30872109eaabSBill Pemberton static int cxgb_enable_msix(struct adapter *adap) 3088f7917c00SJeff Kirsher { 3089f7917c00SJeff Kirsher struct msix_entry entries[SGE_QSETS + 1]; 3090f7917c00SJeff Kirsher int vectors; 3091fc1d0bf1SAlexander Gordeev int i; 3092f7917c00SJeff Kirsher 3093f7917c00SJeff Kirsher vectors = ARRAY_SIZE(entries); 3094f7917c00SJeff Kirsher for (i = 0; i < vectors; ++i) 3095f7917c00SJeff Kirsher entries[i].entry = i; 3096f7917c00SJeff Kirsher 3097fc1d0bf1SAlexander Gordeev vectors = pci_enable_msix_range(adap->pdev, entries, 3098fc1d0bf1SAlexander Gordeev adap->params.nports + 1, vectors); 3099fc1d0bf1SAlexander Gordeev if (vectors < 0) 3100fc1d0bf1SAlexander Gordeev return vectors; 3101f7917c00SJeff Kirsher 3102f7917c00SJeff Kirsher for (i = 0; i < vectors; ++i) 3103f7917c00SJeff Kirsher adap->msix_info[i].vec = entries[i].vector; 3104f7917c00SJeff Kirsher adap->msix_nvectors = vectors; 3105f7917c00SJeff Kirsher 3106fc1d0bf1SAlexander Gordeev return 0; 3107f7917c00SJeff Kirsher } 3108f7917c00SJeff Kirsher 31091dd06ae8SGreg Kroah-Hartman static void print_port_info(struct adapter *adap, const struct adapter_info *ai) 3110f7917c00SJeff Kirsher { 3111f7917c00SJeff Kirsher static const char *pci_variant[] = { 3112f7917c00SJeff Kirsher "PCI", "PCI-X", "PCI-X ECC", "PCI-X 266", "PCI Express" 3113f7917c00SJeff Kirsher }; 3114f7917c00SJeff Kirsher 3115f7917c00SJeff Kirsher int i; 3116f7917c00SJeff Kirsher char buf[80]; 3117f7917c00SJeff Kirsher 3118f7917c00SJeff Kirsher if (is_pcie(adap)) 3119f7917c00SJeff Kirsher snprintf(buf, sizeof(buf), "%s x%d", 3120f7917c00SJeff Kirsher pci_variant[adap->params.pci.variant], 3121f7917c00SJeff Kirsher adap->params.pci.width); 3122f7917c00SJeff Kirsher else 3123f7917c00SJeff Kirsher snprintf(buf, sizeof(buf), "%s %dMHz/%d-bit", 3124f7917c00SJeff Kirsher pci_variant[adap->params.pci.variant], 3125f7917c00SJeff Kirsher adap->params.pci.speed, adap->params.pci.width); 3126f7917c00SJeff Kirsher 3127f7917c00SJeff Kirsher for_each_port(adap, i) { 3128f7917c00SJeff Kirsher struct net_device *dev = adap->port[i]; 3129f7917c00SJeff Kirsher const struct port_info *pi = netdev_priv(dev); 3130f7917c00SJeff Kirsher 3131f7917c00SJeff Kirsher if (!test_bit(i, &adap->registered_device_map)) 3132f7917c00SJeff Kirsher continue; 3133428ac43fSJoe Perches netdev_info(dev, "%s %s %sNIC (rev %d) %s%s\n", 3134428ac43fSJoe Perches ai->desc, pi->phy.desc, 3135f7917c00SJeff Kirsher is_offload(adap) ? "R" : "", adap->params.rev, buf, 3136f7917c00SJeff Kirsher (adap->flags & USING_MSIX) ? " MSI-X" : 3137f7917c00SJeff Kirsher (adap->flags & USING_MSI) ? " MSI" : ""); 3138f7917c00SJeff Kirsher if (adap->name == dev->name && adap->params.vpd.mclk) 3139428ac43fSJoe Perches pr_info("%s: %uMB CM, %uMB PMTX, %uMB PMRX, S/N: %s\n", 3140f7917c00SJeff Kirsher adap->name, t3_mc7_size(&adap->cm) >> 20, 3141f7917c00SJeff Kirsher t3_mc7_size(&adap->pmtx) >> 20, 3142f7917c00SJeff Kirsher t3_mc7_size(&adap->pmrx) >> 20, 3143f7917c00SJeff Kirsher adap->params.vpd.sn); 3144f7917c00SJeff Kirsher } 3145f7917c00SJeff Kirsher } 3146f7917c00SJeff Kirsher 3147f7917c00SJeff Kirsher static const struct net_device_ops cxgb_netdev_ops = { 3148f7917c00SJeff Kirsher .ndo_open = cxgb_open, 3149f7917c00SJeff Kirsher .ndo_stop = cxgb_close, 3150f7917c00SJeff Kirsher .ndo_start_xmit = t3_eth_xmit, 3151f7917c00SJeff Kirsher .ndo_get_stats = cxgb_get_stats, 3152f7917c00SJeff Kirsher .ndo_validate_addr = eth_validate_addr, 3153afc4b13dSJiri Pirko .ndo_set_rx_mode = cxgb_set_rxmode, 3154f7917c00SJeff Kirsher .ndo_do_ioctl = cxgb_ioctl, 3155f7917c00SJeff Kirsher .ndo_change_mtu = cxgb_change_mtu, 3156f7917c00SJeff Kirsher .ndo_set_mac_address = cxgb_set_mac_addr, 3157f7917c00SJeff Kirsher .ndo_fix_features = cxgb_fix_features, 3158f7917c00SJeff Kirsher .ndo_set_features = cxgb_set_features, 3159f7917c00SJeff Kirsher #ifdef CONFIG_NET_POLL_CONTROLLER 3160f7917c00SJeff Kirsher .ndo_poll_controller = cxgb_netpoll, 3161f7917c00SJeff Kirsher #endif 3162f7917c00SJeff Kirsher }; 3163f7917c00SJeff Kirsher 31642109eaabSBill Pemberton static void cxgb3_init_iscsi_mac(struct net_device *dev) 3165f7917c00SJeff Kirsher { 3166f7917c00SJeff Kirsher struct port_info *pi = netdev_priv(dev); 3167f7917c00SJeff Kirsher 3168f7917c00SJeff Kirsher memcpy(pi->iscsic.mac_addr, dev->dev_addr, ETH_ALEN); 3169f7917c00SJeff Kirsher pi->iscsic.mac_addr[3] |= 0x80; 3170f7917c00SJeff Kirsher } 3171f7917c00SJeff Kirsher 31721d962ecfSbrenohl@br.ibm.com #define TSO_FLAGS (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN) 31731d962ecfSbrenohl@br.ibm.com #define VLAN_FEAT (NETIF_F_SG | NETIF_F_IP_CSUM | TSO_FLAGS | \ 31741d962ecfSbrenohl@br.ibm.com NETIF_F_IPV6_CSUM | NETIF_F_HIGHDMA) 31751dd06ae8SGreg Kroah-Hartman static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) 3176f7917c00SJeff Kirsher { 3177f7917c00SJeff Kirsher int i, err, pci_using_dac = 0; 3178f7917c00SJeff Kirsher resource_size_t mmio_start, mmio_len; 3179f7917c00SJeff Kirsher const struct adapter_info *ai; 3180f7917c00SJeff Kirsher struct adapter *adapter = NULL; 3181f7917c00SJeff Kirsher struct port_info *pi; 3182f7917c00SJeff Kirsher 3183428ac43fSJoe Perches pr_info_once("%s - version %s\n", DRV_DESC, DRV_VERSION); 3184f7917c00SJeff Kirsher 3185f7917c00SJeff Kirsher if (!cxgb3_wq) { 3186f7917c00SJeff Kirsher cxgb3_wq = create_singlethread_workqueue(DRV_NAME); 3187f7917c00SJeff Kirsher if (!cxgb3_wq) { 3188428ac43fSJoe Perches pr_err("cannot initialize work queue\n"); 3189f7917c00SJeff Kirsher return -ENOMEM; 3190f7917c00SJeff Kirsher } 3191f7917c00SJeff Kirsher } 3192f7917c00SJeff Kirsher 3193f7917c00SJeff Kirsher err = pci_enable_device(pdev); 3194f7917c00SJeff Kirsher if (err) { 3195f7917c00SJeff Kirsher dev_err(&pdev->dev, "cannot enable PCI device\n"); 3196f7917c00SJeff Kirsher goto out; 3197f7917c00SJeff Kirsher } 3198f7917c00SJeff Kirsher 3199f7917c00SJeff Kirsher err = pci_request_regions(pdev, DRV_NAME); 3200f7917c00SJeff Kirsher if (err) { 3201f7917c00SJeff Kirsher /* Just info, some other driver may have claimed the device. */ 3202f7917c00SJeff Kirsher dev_info(&pdev->dev, "cannot obtain PCI resources\n"); 3203f7917c00SJeff Kirsher goto out_disable_device; 3204f7917c00SJeff Kirsher } 3205f7917c00SJeff Kirsher 3206f7917c00SJeff Kirsher if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { 3207f7917c00SJeff Kirsher pci_using_dac = 1; 3208f7917c00SJeff Kirsher err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); 3209f7917c00SJeff Kirsher if (err) { 3210f7917c00SJeff Kirsher dev_err(&pdev->dev, "unable to obtain 64-bit DMA for " 3211f7917c00SJeff Kirsher "coherent allocations\n"); 3212f7917c00SJeff Kirsher goto out_release_regions; 3213f7917c00SJeff Kirsher } 3214f7917c00SJeff Kirsher } else if ((err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) { 3215f7917c00SJeff Kirsher dev_err(&pdev->dev, "no usable DMA configuration\n"); 3216f7917c00SJeff Kirsher goto out_release_regions; 3217f7917c00SJeff Kirsher } 3218f7917c00SJeff Kirsher 3219f7917c00SJeff Kirsher pci_set_master(pdev); 3220f7917c00SJeff Kirsher pci_save_state(pdev); 3221f7917c00SJeff Kirsher 3222f7917c00SJeff Kirsher mmio_start = pci_resource_start(pdev, 0); 3223f7917c00SJeff Kirsher mmio_len = pci_resource_len(pdev, 0); 3224f7917c00SJeff Kirsher ai = t3_get_adapter_info(ent->driver_data); 3225f7917c00SJeff Kirsher 3226f7917c00SJeff Kirsher adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); 3227f7917c00SJeff Kirsher if (!adapter) { 3228f7917c00SJeff Kirsher err = -ENOMEM; 3229f7917c00SJeff Kirsher goto out_release_regions; 3230f7917c00SJeff Kirsher } 3231f7917c00SJeff Kirsher 3232f7917c00SJeff Kirsher adapter->nofail_skb = 3233f7917c00SJeff Kirsher alloc_skb(sizeof(struct cpl_set_tcb_field), GFP_KERNEL); 3234f7917c00SJeff Kirsher if (!adapter->nofail_skb) { 3235f7917c00SJeff Kirsher dev_err(&pdev->dev, "cannot allocate nofail buffer\n"); 3236f7917c00SJeff Kirsher err = -ENOMEM; 3237f7917c00SJeff Kirsher goto out_free_adapter; 3238f7917c00SJeff Kirsher } 3239f7917c00SJeff Kirsher 3240f7917c00SJeff Kirsher adapter->regs = ioremap_nocache(mmio_start, mmio_len); 3241f7917c00SJeff Kirsher if (!adapter->regs) { 3242f7917c00SJeff Kirsher dev_err(&pdev->dev, "cannot map device registers\n"); 3243f7917c00SJeff Kirsher err = -ENOMEM; 3244f7917c00SJeff Kirsher goto out_free_adapter; 3245f7917c00SJeff Kirsher } 3246f7917c00SJeff Kirsher 3247f7917c00SJeff Kirsher adapter->pdev = pdev; 3248f7917c00SJeff Kirsher adapter->name = pci_name(pdev); 3249f7917c00SJeff Kirsher adapter->msg_enable = dflt_msg_enable; 3250f7917c00SJeff Kirsher adapter->mmio_len = mmio_len; 3251f7917c00SJeff Kirsher 3252f7917c00SJeff Kirsher mutex_init(&adapter->mdio_lock); 3253f7917c00SJeff Kirsher spin_lock_init(&adapter->work_lock); 3254f7917c00SJeff Kirsher spin_lock_init(&adapter->stats_lock); 3255f7917c00SJeff Kirsher 3256f7917c00SJeff Kirsher INIT_LIST_HEAD(&adapter->adapter_list); 3257f7917c00SJeff Kirsher INIT_WORK(&adapter->ext_intr_handler_task, ext_intr_task); 3258f7917c00SJeff Kirsher INIT_WORK(&adapter->fatal_error_handler_task, fatal_error_task); 3259f7917c00SJeff Kirsher 3260f7917c00SJeff Kirsher INIT_WORK(&adapter->db_full_task, db_full_task); 3261f7917c00SJeff Kirsher INIT_WORK(&adapter->db_empty_task, db_empty_task); 3262f7917c00SJeff Kirsher INIT_WORK(&adapter->db_drop_task, db_drop_task); 3263f7917c00SJeff Kirsher 3264f7917c00SJeff Kirsher INIT_DELAYED_WORK(&adapter->adap_check_task, t3_adap_check_task); 3265f7917c00SJeff Kirsher 3266f7917c00SJeff Kirsher for (i = 0; i < ai->nports0 + ai->nports1; ++i) { 3267f7917c00SJeff Kirsher struct net_device *netdev; 3268f7917c00SJeff Kirsher 3269f7917c00SJeff Kirsher netdev = alloc_etherdev_mq(sizeof(struct port_info), SGE_QSETS); 3270f7917c00SJeff Kirsher if (!netdev) { 3271f7917c00SJeff Kirsher err = -ENOMEM; 3272f7917c00SJeff Kirsher goto out_free_dev; 3273f7917c00SJeff Kirsher } 3274f7917c00SJeff Kirsher 3275f7917c00SJeff Kirsher SET_NETDEV_DEV(netdev, &pdev->dev); 3276f7917c00SJeff Kirsher 3277f7917c00SJeff Kirsher adapter->port[i] = netdev; 3278f7917c00SJeff Kirsher pi = netdev_priv(netdev); 3279f7917c00SJeff Kirsher pi->adapter = adapter; 3280f7917c00SJeff Kirsher pi->port_id = i; 3281f7917c00SJeff Kirsher netif_carrier_off(netdev); 3282f7917c00SJeff Kirsher netdev->irq = pdev->irq; 3283f7917c00SJeff Kirsher netdev->mem_start = mmio_start; 3284f7917c00SJeff Kirsher netdev->mem_end = mmio_start + mmio_len - 1; 3285f7917c00SJeff Kirsher netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | 3286f646968fSPatrick McHardy NETIF_F_TSO | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_RX; 3287f646968fSPatrick McHardy netdev->features |= netdev->hw_features | 3288f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_TX; 32891d962ecfSbrenohl@br.ibm.com netdev->vlan_features |= netdev->features & VLAN_FEAT; 3290f7917c00SJeff Kirsher if (pci_using_dac) 3291f7917c00SJeff Kirsher netdev->features |= NETIF_F_HIGHDMA; 3292f7917c00SJeff Kirsher 3293f7917c00SJeff Kirsher netdev->netdev_ops = &cxgb_netdev_ops; 32947ad24ea4SWilfried Klaebe netdev->ethtool_ops = &cxgb_ethtool_ops; 3295f7917c00SJeff Kirsher } 3296f7917c00SJeff Kirsher 3297f7917c00SJeff Kirsher pci_set_drvdata(pdev, adapter); 3298f7917c00SJeff Kirsher if (t3_prep_adapter(adapter, ai, 1) < 0) { 3299f7917c00SJeff Kirsher err = -ENODEV; 3300f7917c00SJeff Kirsher goto out_free_dev; 3301f7917c00SJeff Kirsher } 3302f7917c00SJeff Kirsher 3303f7917c00SJeff Kirsher /* 3304f7917c00SJeff Kirsher * The card is now ready to go. If any errors occur during device 3305f7917c00SJeff Kirsher * registration we do not fail the whole card but rather proceed only 3306f7917c00SJeff Kirsher * with the ports we manage to register successfully. However we must 3307f7917c00SJeff Kirsher * register at least one net device. 3308f7917c00SJeff Kirsher */ 3309f7917c00SJeff Kirsher for_each_port(adapter, i) { 3310f7917c00SJeff Kirsher err = register_netdev(adapter->port[i]); 3311f7917c00SJeff Kirsher if (err) 3312f7917c00SJeff Kirsher dev_warn(&pdev->dev, 3313f7917c00SJeff Kirsher "cannot register net device %s, skipping\n", 3314f7917c00SJeff Kirsher adapter->port[i]->name); 3315f7917c00SJeff Kirsher else { 3316f7917c00SJeff Kirsher /* 3317f7917c00SJeff Kirsher * Change the name we use for messages to the name of 3318f7917c00SJeff Kirsher * the first successfully registered interface. 3319f7917c00SJeff Kirsher */ 3320f7917c00SJeff Kirsher if (!adapter->registered_device_map) 3321f7917c00SJeff Kirsher adapter->name = adapter->port[i]->name; 3322f7917c00SJeff Kirsher 3323f7917c00SJeff Kirsher __set_bit(i, &adapter->registered_device_map); 3324f7917c00SJeff Kirsher } 3325f7917c00SJeff Kirsher } 3326f7917c00SJeff Kirsher if (!adapter->registered_device_map) { 3327f7917c00SJeff Kirsher dev_err(&pdev->dev, "could not register any net devices\n"); 3328f7917c00SJeff Kirsher goto out_free_dev; 3329f7917c00SJeff Kirsher } 3330f7917c00SJeff Kirsher 3331f7917c00SJeff Kirsher for_each_port(adapter, i) 3332f7917c00SJeff Kirsher cxgb3_init_iscsi_mac(adapter->port[i]); 3333f7917c00SJeff Kirsher 3334f7917c00SJeff Kirsher /* Driver's ready. Reflect it on LEDs */ 3335f7917c00SJeff Kirsher t3_led_ready(adapter); 3336f7917c00SJeff Kirsher 3337f7917c00SJeff Kirsher if (is_offload(adapter)) { 3338f7917c00SJeff Kirsher __set_bit(OFFLOAD_DEVMAP_BIT, &adapter->registered_device_map); 3339f7917c00SJeff Kirsher cxgb3_adapter_ofld(adapter); 3340f7917c00SJeff Kirsher } 3341f7917c00SJeff Kirsher 3342f7917c00SJeff Kirsher /* See what interrupts we'll be using */ 3343f7917c00SJeff Kirsher if (msi > 1 && cxgb_enable_msix(adapter) == 0) 3344f7917c00SJeff Kirsher adapter->flags |= USING_MSIX; 3345f7917c00SJeff Kirsher else if (msi > 0 && pci_enable_msi(pdev) == 0) 3346f7917c00SJeff Kirsher adapter->flags |= USING_MSI; 3347f7917c00SJeff Kirsher 3348f7917c00SJeff Kirsher set_nqsets(adapter); 3349f7917c00SJeff Kirsher 3350f7917c00SJeff Kirsher err = sysfs_create_group(&adapter->port[0]->dev.kobj, 3351f7917c00SJeff Kirsher &cxgb3_attr_group); 3352f7917c00SJeff Kirsher 3353f7917c00SJeff Kirsher print_port_info(adapter, ai); 3354f7917c00SJeff Kirsher return 0; 3355f7917c00SJeff Kirsher 3356f7917c00SJeff Kirsher out_free_dev: 3357f7917c00SJeff Kirsher iounmap(adapter->regs); 3358f7917c00SJeff Kirsher for (i = ai->nports0 + ai->nports1 - 1; i >= 0; --i) 3359f7917c00SJeff Kirsher if (adapter->port[i]) 3360f7917c00SJeff Kirsher free_netdev(adapter->port[i]); 3361f7917c00SJeff Kirsher 3362f7917c00SJeff Kirsher out_free_adapter: 3363f7917c00SJeff Kirsher kfree(adapter); 3364f7917c00SJeff Kirsher 3365f7917c00SJeff Kirsher out_release_regions: 3366f7917c00SJeff Kirsher pci_release_regions(pdev); 3367f7917c00SJeff Kirsher out_disable_device: 3368f7917c00SJeff Kirsher pci_disable_device(pdev); 3369f7917c00SJeff Kirsher out: 3370f7917c00SJeff Kirsher return err; 3371f7917c00SJeff Kirsher } 3372f7917c00SJeff Kirsher 33732109eaabSBill Pemberton static void remove_one(struct pci_dev *pdev) 3374f7917c00SJeff Kirsher { 3375f7917c00SJeff Kirsher struct adapter *adapter = pci_get_drvdata(pdev); 3376f7917c00SJeff Kirsher 3377f7917c00SJeff Kirsher if (adapter) { 3378f7917c00SJeff Kirsher int i; 3379f7917c00SJeff Kirsher 3380f7917c00SJeff Kirsher t3_sge_stop(adapter); 3381f7917c00SJeff Kirsher sysfs_remove_group(&adapter->port[0]->dev.kobj, 3382f7917c00SJeff Kirsher &cxgb3_attr_group); 3383f7917c00SJeff Kirsher 3384f7917c00SJeff Kirsher if (is_offload(adapter)) { 3385f7917c00SJeff Kirsher cxgb3_adapter_unofld(adapter); 3386f7917c00SJeff Kirsher if (test_bit(OFFLOAD_DEVMAP_BIT, 3387f7917c00SJeff Kirsher &adapter->open_device_map)) 3388f7917c00SJeff Kirsher offload_close(&adapter->tdev); 3389f7917c00SJeff Kirsher } 3390f7917c00SJeff Kirsher 3391f7917c00SJeff Kirsher for_each_port(adapter, i) 3392f7917c00SJeff Kirsher if (test_bit(i, &adapter->registered_device_map)) 3393f7917c00SJeff Kirsher unregister_netdev(adapter->port[i]); 3394f7917c00SJeff Kirsher 3395f7917c00SJeff Kirsher t3_stop_sge_timers(adapter); 3396f7917c00SJeff Kirsher t3_free_sge_resources(adapter); 3397f7917c00SJeff Kirsher cxgb_disable_msi(adapter); 3398f7917c00SJeff Kirsher 3399f7917c00SJeff Kirsher for_each_port(adapter, i) 3400f7917c00SJeff Kirsher if (adapter->port[i]) 3401f7917c00SJeff Kirsher free_netdev(adapter->port[i]); 3402f7917c00SJeff Kirsher 3403f7917c00SJeff Kirsher iounmap(adapter->regs); 3404f7917c00SJeff Kirsher if (adapter->nofail_skb) 3405f7917c00SJeff Kirsher kfree_skb(adapter->nofail_skb); 3406f7917c00SJeff Kirsher kfree(adapter); 3407f7917c00SJeff Kirsher pci_release_regions(pdev); 3408f7917c00SJeff Kirsher pci_disable_device(pdev); 3409f7917c00SJeff Kirsher } 3410f7917c00SJeff Kirsher } 3411f7917c00SJeff Kirsher 3412f7917c00SJeff Kirsher static struct pci_driver driver = { 3413f7917c00SJeff Kirsher .name = DRV_NAME, 3414f7917c00SJeff Kirsher .id_table = cxgb3_pci_tbl, 3415f7917c00SJeff Kirsher .probe = init_one, 34162109eaabSBill Pemberton .remove = remove_one, 3417f7917c00SJeff Kirsher .err_handler = &t3_err_handler, 3418f7917c00SJeff Kirsher }; 3419f7917c00SJeff Kirsher 3420f7917c00SJeff Kirsher static int __init cxgb3_init_module(void) 3421f7917c00SJeff Kirsher { 3422f7917c00SJeff Kirsher int ret; 3423f7917c00SJeff Kirsher 3424f7917c00SJeff Kirsher cxgb3_offload_init(); 3425f7917c00SJeff Kirsher 3426f7917c00SJeff Kirsher ret = pci_register_driver(&driver); 3427f7917c00SJeff Kirsher return ret; 3428f7917c00SJeff Kirsher } 3429f7917c00SJeff Kirsher 3430f7917c00SJeff Kirsher static void __exit cxgb3_cleanup_module(void) 3431f7917c00SJeff Kirsher { 3432f7917c00SJeff Kirsher pci_unregister_driver(&driver); 3433f7917c00SJeff Kirsher if (cxgb3_wq) 3434f7917c00SJeff Kirsher destroy_workqueue(cxgb3_wq); 3435f7917c00SJeff Kirsher } 3436f7917c00SJeff Kirsher 3437f7917c00SJeff Kirsher module_init(cxgb3_init_module); 3438f7917c00SJeff Kirsher module_exit(cxgb3_cleanup_module); 3439