1 /* 2 * QLogic qlcnic NIC Driver 3 * Copyright (c) 2009-2013 QLogic Corporation 4 * 5 * See LICENSE.qlcnic for copyright and licensing details. 6 */ 7 8 #include "qlcnic.h" 9 #include "qlcnic_hdr.h" 10 11 #include <linux/slab.h> 12 #include <net/ip.h> 13 #include <linux/bitops.h> 14 15 #define MASK(n) ((1ULL<<(n))-1) 16 #define OCM_WIN_P3P(addr) (addr & 0xffc0000) 17 18 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18)) 19 20 #define CRB_BLK(off) ((off >> 20) & 0x3f) 21 #define CRB_SUBBLK(off) ((off >> 16) & 0xf) 22 #define CRB_WINDOW_2M (0x130060) 23 #define CRB_HI(off) ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000)) 24 #define CRB_INDIRECT_2M (0x1e0000UL) 25 26 struct qlcnic_ms_reg_ctrl { 27 u32 ocm_window; 28 u32 control; 29 u32 hi; 30 u32 low; 31 u32 rd[4]; 32 u32 wd[4]; 33 u64 off; 34 }; 35 36 #ifndef readq 37 static inline u64 readq(void __iomem *addr) 38 { 39 return readl(addr) | (((u64) readl(addr + 4)) << 32LL); 40 } 41 #endif 42 43 #ifndef writeq 44 static inline void writeq(u64 val, void __iomem *addr) 45 { 46 writel(((u32) (val)), (addr)); 47 writel(((u32) (val >> 32)), (addr + 4)); 48 } 49 #endif 50 51 static struct crb_128M_2M_block_map 52 crb_128M_2M_map[64] __cacheline_aligned_in_smp = { 53 {{{0, 0, 0, 0} } }, /* 0: PCI */ 54 {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */ 55 {1, 0x0110000, 0x0120000, 0x130000}, 56 {1, 0x0120000, 0x0122000, 0x124000}, 57 {1, 0x0130000, 0x0132000, 0x126000}, 58 {1, 0x0140000, 0x0142000, 0x128000}, 59 {1, 0x0150000, 0x0152000, 0x12a000}, 60 {1, 0x0160000, 0x0170000, 0x110000}, 61 {1, 0x0170000, 0x0172000, 0x12e000}, 62 {0, 0x0000000, 0x0000000, 0x000000}, 63 {0, 0x0000000, 0x0000000, 0x000000}, 64 {0, 0x0000000, 0x0000000, 0x000000}, 65 {0, 0x0000000, 0x0000000, 0x000000}, 66 {0, 0x0000000, 0x0000000, 0x000000}, 67 {0, 0x0000000, 0x0000000, 0x000000}, 68 {1, 0x01e0000, 0x01e0800, 0x122000}, 69 {0, 0x0000000, 0x0000000, 0x000000} } }, 70 {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */ 71 {{{0, 0, 0, 0} } }, /* 3: */ 72 {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */ 73 {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */ 74 {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */ 75 {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */ 76 {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */ 77 {0, 0x0000000, 0x0000000, 0x000000}, 78 {0, 0x0000000, 0x0000000, 0x000000}, 79 {0, 0x0000000, 0x0000000, 0x000000}, 80 {0, 0x0000000, 0x0000000, 0x000000}, 81 {0, 0x0000000, 0x0000000, 0x000000}, 82 {0, 0x0000000, 0x0000000, 0x000000}, 83 {0, 0x0000000, 0x0000000, 0x000000}, 84 {0, 0x0000000, 0x0000000, 0x000000}, 85 {0, 0x0000000, 0x0000000, 0x000000}, 86 {0, 0x0000000, 0x0000000, 0x000000}, 87 {0, 0x0000000, 0x0000000, 0x000000}, 88 {0, 0x0000000, 0x0000000, 0x000000}, 89 {0, 0x0000000, 0x0000000, 0x000000}, 90 {0, 0x0000000, 0x0000000, 0x000000}, 91 {1, 0x08f0000, 0x08f2000, 0x172000} } }, 92 {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/ 93 {0, 0x0000000, 0x0000000, 0x000000}, 94 {0, 0x0000000, 0x0000000, 0x000000}, 95 {0, 0x0000000, 0x0000000, 0x000000}, 96 {0, 0x0000000, 0x0000000, 0x000000}, 97 {0, 0x0000000, 0x0000000, 0x000000}, 98 {0, 0x0000000, 0x0000000, 0x000000}, 99 {0, 0x0000000, 0x0000000, 0x000000}, 100 {0, 0x0000000, 0x0000000, 0x000000}, 101 {0, 0x0000000, 0x0000000, 0x000000}, 102 {0, 0x0000000, 0x0000000, 0x000000}, 103 {0, 0x0000000, 0x0000000, 0x000000}, 104 {0, 0x0000000, 0x0000000, 0x000000}, 105 {0, 0x0000000, 0x0000000, 0x000000}, 106 {0, 0x0000000, 0x0000000, 0x000000}, 107 {1, 0x09f0000, 0x09f2000, 0x176000} } }, 108 {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/ 109 {0, 0x0000000, 0x0000000, 0x000000}, 110 {0, 0x0000000, 0x0000000, 0x000000}, 111 {0, 0x0000000, 0x0000000, 0x000000}, 112 {0, 0x0000000, 0x0000000, 0x000000}, 113 {0, 0x0000000, 0x0000000, 0x000000}, 114 {0, 0x0000000, 0x0000000, 0x000000}, 115 {0, 0x0000000, 0x0000000, 0x000000}, 116 {0, 0x0000000, 0x0000000, 0x000000}, 117 {0, 0x0000000, 0x0000000, 0x000000}, 118 {0, 0x0000000, 0x0000000, 0x000000}, 119 {0, 0x0000000, 0x0000000, 0x000000}, 120 {0, 0x0000000, 0x0000000, 0x000000}, 121 {0, 0x0000000, 0x0000000, 0x000000}, 122 {0, 0x0000000, 0x0000000, 0x000000}, 123 {1, 0x0af0000, 0x0af2000, 0x17a000} } }, 124 {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/ 125 {0, 0x0000000, 0x0000000, 0x000000}, 126 {0, 0x0000000, 0x0000000, 0x000000}, 127 {0, 0x0000000, 0x0000000, 0x000000}, 128 {0, 0x0000000, 0x0000000, 0x000000}, 129 {0, 0x0000000, 0x0000000, 0x000000}, 130 {0, 0x0000000, 0x0000000, 0x000000}, 131 {0, 0x0000000, 0x0000000, 0x000000}, 132 {0, 0x0000000, 0x0000000, 0x000000}, 133 {0, 0x0000000, 0x0000000, 0x000000}, 134 {0, 0x0000000, 0x0000000, 0x000000}, 135 {0, 0x0000000, 0x0000000, 0x000000}, 136 {0, 0x0000000, 0x0000000, 0x000000}, 137 {0, 0x0000000, 0x0000000, 0x000000}, 138 {0, 0x0000000, 0x0000000, 0x000000}, 139 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } }, 140 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */ 141 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */ 142 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */ 143 {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */ 144 {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */ 145 {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */ 146 {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */ 147 {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */ 148 {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */ 149 {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */ 150 {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */ 151 {{{0, 0, 0, 0} } }, /* 23: */ 152 {{{0, 0, 0, 0} } }, /* 24: */ 153 {{{0, 0, 0, 0} } }, /* 25: */ 154 {{{0, 0, 0, 0} } }, /* 26: */ 155 {{{0, 0, 0, 0} } }, /* 27: */ 156 {{{0, 0, 0, 0} } }, /* 28: */ 157 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */ 158 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */ 159 {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */ 160 {{{0} } }, /* 32: PCI */ 161 {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */ 162 {1, 0x2110000, 0x2120000, 0x130000}, 163 {1, 0x2120000, 0x2122000, 0x124000}, 164 {1, 0x2130000, 0x2132000, 0x126000}, 165 {1, 0x2140000, 0x2142000, 0x128000}, 166 {1, 0x2150000, 0x2152000, 0x12a000}, 167 {1, 0x2160000, 0x2170000, 0x110000}, 168 {1, 0x2170000, 0x2172000, 0x12e000}, 169 {0, 0x0000000, 0x0000000, 0x000000}, 170 {0, 0x0000000, 0x0000000, 0x000000}, 171 {0, 0x0000000, 0x0000000, 0x000000}, 172 {0, 0x0000000, 0x0000000, 0x000000}, 173 {0, 0x0000000, 0x0000000, 0x000000}, 174 {0, 0x0000000, 0x0000000, 0x000000}, 175 {0, 0x0000000, 0x0000000, 0x000000}, 176 {0, 0x0000000, 0x0000000, 0x000000} } }, 177 {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */ 178 {{{0} } }, /* 35: */ 179 {{{0} } }, /* 36: */ 180 {{{0} } }, /* 37: */ 181 {{{0} } }, /* 38: */ 182 {{{0} } }, /* 39: */ 183 {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */ 184 {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */ 185 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */ 186 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */ 187 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */ 188 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */ 189 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */ 190 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */ 191 {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */ 192 {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */ 193 {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */ 194 {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */ 195 {{{0} } }, /* 52: */ 196 {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */ 197 {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */ 198 {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */ 199 {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */ 200 {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */ 201 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */ 202 {{{0} } }, /* 59: I2C0 */ 203 {{{0} } }, /* 60: I2C1 */ 204 {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */ 205 {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */ 206 {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */ 207 }; 208 209 /* 210 * top 12 bits of crb internal address (hub, agent) 211 */ 212 static const unsigned crb_hub_agt[64] = { 213 0, 214 QLCNIC_HW_CRB_HUB_AGT_ADR_PS, 215 QLCNIC_HW_CRB_HUB_AGT_ADR_MN, 216 QLCNIC_HW_CRB_HUB_AGT_ADR_MS, 217 0, 218 QLCNIC_HW_CRB_HUB_AGT_ADR_SRE, 219 QLCNIC_HW_CRB_HUB_AGT_ADR_NIU, 220 QLCNIC_HW_CRB_HUB_AGT_ADR_QMN, 221 QLCNIC_HW_CRB_HUB_AGT_ADR_SQN0, 222 QLCNIC_HW_CRB_HUB_AGT_ADR_SQN1, 223 QLCNIC_HW_CRB_HUB_AGT_ADR_SQN2, 224 QLCNIC_HW_CRB_HUB_AGT_ADR_SQN3, 225 QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q, 226 QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR, 227 QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB, 228 QLCNIC_HW_CRB_HUB_AGT_ADR_PGN4, 229 QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA, 230 QLCNIC_HW_CRB_HUB_AGT_ADR_PGN0, 231 QLCNIC_HW_CRB_HUB_AGT_ADR_PGN1, 232 QLCNIC_HW_CRB_HUB_AGT_ADR_PGN2, 233 QLCNIC_HW_CRB_HUB_AGT_ADR_PGN3, 234 QLCNIC_HW_CRB_HUB_AGT_ADR_PGND, 235 QLCNIC_HW_CRB_HUB_AGT_ADR_PGNI, 236 QLCNIC_HW_CRB_HUB_AGT_ADR_PGS0, 237 QLCNIC_HW_CRB_HUB_AGT_ADR_PGS1, 238 QLCNIC_HW_CRB_HUB_AGT_ADR_PGS2, 239 QLCNIC_HW_CRB_HUB_AGT_ADR_PGS3, 240 0, 241 QLCNIC_HW_CRB_HUB_AGT_ADR_PGSI, 242 QLCNIC_HW_CRB_HUB_AGT_ADR_SN, 243 0, 244 QLCNIC_HW_CRB_HUB_AGT_ADR_EG, 245 0, 246 QLCNIC_HW_CRB_HUB_AGT_ADR_PS, 247 QLCNIC_HW_CRB_HUB_AGT_ADR_CAM, 248 0, 249 0, 250 0, 251 0, 252 0, 253 QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR, 254 0, 255 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX1, 256 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX2, 257 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX3, 258 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX4, 259 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX5, 260 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX6, 261 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX7, 262 QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA, 263 QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q, 264 QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB, 265 0, 266 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX0, 267 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX8, 268 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX9, 269 QLCNIC_HW_CRB_HUB_AGT_ADR_OCM0, 270 0, 271 QLCNIC_HW_CRB_HUB_AGT_ADR_SMB, 272 QLCNIC_HW_CRB_HUB_AGT_ADR_I2C0, 273 QLCNIC_HW_CRB_HUB_AGT_ADR_I2C1, 274 0, 275 QLCNIC_HW_CRB_HUB_AGT_ADR_PGNC, 276 0, 277 }; 278 279 static const u32 msi_tgt_status[8] = { 280 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 281 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 282 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 283 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 284 }; 285 286 /* PCI Windowing for DDR regions. */ 287 288 #define QLCNIC_PCIE_SEM_TIMEOUT 10000 289 290 static void qlcnic_read_window_reg(u32 addr, void __iomem *bar0, u32 *data) 291 { 292 u32 dest; 293 void __iomem *val; 294 295 dest = addr & 0xFFFF0000; 296 val = bar0 + QLCNIC_FW_DUMP_REG1; 297 writel(dest, val); 298 readl(val); 299 val = bar0 + QLCNIC_FW_DUMP_REG2 + LSW(addr); 300 *data = readl(val); 301 } 302 303 static void qlcnic_write_window_reg(u32 addr, void __iomem *bar0, u32 data) 304 { 305 u32 dest; 306 void __iomem *val; 307 308 dest = addr & 0xFFFF0000; 309 val = bar0 + QLCNIC_FW_DUMP_REG1; 310 writel(dest, val); 311 readl(val); 312 val = bar0 + QLCNIC_FW_DUMP_REG2 + LSW(addr); 313 writel(data, val); 314 readl(val); 315 } 316 317 int 318 qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg) 319 { 320 int done = 0, timeout = 0; 321 322 while (!done) { 323 done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem))); 324 if (done == 1) 325 break; 326 if (++timeout >= QLCNIC_PCIE_SEM_TIMEOUT) { 327 dev_err(&adapter->pdev->dev, 328 "Failed to acquire sem=%d lock; holdby=%d\n", 329 sem, id_reg ? QLCRD32(adapter, id_reg) : -1); 330 return -EIO; 331 } 332 msleep(1); 333 } 334 335 if (id_reg) 336 QLCWR32(adapter, id_reg, adapter->portnum); 337 338 return 0; 339 } 340 341 void 342 qlcnic_pcie_sem_unlock(struct qlcnic_adapter *adapter, int sem) 343 { 344 QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_UNLOCK(sem))); 345 } 346 347 int qlcnic_ind_rd(struct qlcnic_adapter *adapter, u32 addr) 348 { 349 u32 data; 350 351 if (qlcnic_82xx_check(adapter)) 352 qlcnic_read_window_reg(addr, adapter->ahw->pci_base0, &data); 353 else { 354 data = qlcnic_83xx_rd_reg_indirect(adapter, addr); 355 if (data == -EIO) 356 return -EIO; 357 } 358 return data; 359 } 360 361 void qlcnic_ind_wr(struct qlcnic_adapter *adapter, u32 addr, u32 data) 362 { 363 if (qlcnic_82xx_check(adapter)) 364 qlcnic_write_window_reg(addr, adapter->ahw->pci_base0, data); 365 else 366 qlcnic_83xx_wrt_reg_indirect(adapter, addr, data); 367 } 368 369 static int 370 qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter, 371 struct cmd_desc_type0 *cmd_desc_arr, int nr_desc) 372 { 373 u32 i, producer; 374 struct qlcnic_cmd_buffer *pbuf; 375 struct cmd_desc_type0 *cmd_desc; 376 struct qlcnic_host_tx_ring *tx_ring; 377 378 i = 0; 379 380 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) 381 return -EIO; 382 383 tx_ring = adapter->tx_ring; 384 __netif_tx_lock_bh(tx_ring->txq); 385 386 producer = tx_ring->producer; 387 388 if (nr_desc >= qlcnic_tx_avail(tx_ring)) { 389 netif_tx_stop_queue(tx_ring->txq); 390 smp_mb(); 391 if (qlcnic_tx_avail(tx_ring) > nr_desc) { 392 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) 393 netif_tx_wake_queue(tx_ring->txq); 394 } else { 395 adapter->stats.xmit_off++; 396 __netif_tx_unlock_bh(tx_ring->txq); 397 return -EBUSY; 398 } 399 } 400 401 do { 402 cmd_desc = &cmd_desc_arr[i]; 403 404 pbuf = &tx_ring->cmd_buf_arr[producer]; 405 pbuf->skb = NULL; 406 pbuf->frag_count = 0; 407 408 memcpy(&tx_ring->desc_head[producer], 409 cmd_desc, sizeof(struct cmd_desc_type0)); 410 411 producer = get_next_index(producer, tx_ring->num_desc); 412 i++; 413 414 } while (i != nr_desc); 415 416 tx_ring->producer = producer; 417 418 qlcnic_update_cmd_producer(tx_ring); 419 420 __netif_tx_unlock_bh(tx_ring->txq); 421 422 return 0; 423 } 424 425 int qlcnic_82xx_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr, 426 u16 vlan_id, u8 op) 427 { 428 struct qlcnic_nic_req req; 429 struct qlcnic_mac_req *mac_req; 430 struct qlcnic_vlan_req *vlan_req; 431 u64 word; 432 433 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 434 req.qhdr = cpu_to_le64(QLCNIC_REQUEST << 23); 435 436 word = QLCNIC_MAC_EVENT | ((u64)adapter->portnum << 16); 437 req.req_hdr = cpu_to_le64(word); 438 439 mac_req = (struct qlcnic_mac_req *)&req.words[0]; 440 mac_req->op = op; 441 memcpy(mac_req->mac_addr, addr, 6); 442 443 vlan_req = (struct qlcnic_vlan_req *)&req.words[1]; 444 vlan_req->vlan_id = cpu_to_le16(vlan_id); 445 446 return qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 447 } 448 449 int qlcnic_nic_del_mac(struct qlcnic_adapter *adapter, const u8 *addr) 450 { 451 struct list_head *head; 452 struct qlcnic_mac_list_s *cur; 453 int err = -EINVAL; 454 455 /* Delete MAC from the existing list */ 456 list_for_each(head, &adapter->mac_list) { 457 cur = list_entry(head, struct qlcnic_mac_list_s, list); 458 if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) { 459 err = qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 460 0, QLCNIC_MAC_DEL); 461 if (err) 462 return err; 463 list_del(&cur->list); 464 kfree(cur); 465 return err; 466 } 467 } 468 return err; 469 } 470 471 int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr, u16 vlan) 472 { 473 struct list_head *head; 474 struct qlcnic_mac_list_s *cur; 475 476 /* look up if already exists */ 477 list_for_each(head, &adapter->mac_list) { 478 cur = list_entry(head, struct qlcnic_mac_list_s, list); 479 if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) 480 return 0; 481 } 482 483 cur = kzalloc(sizeof(struct qlcnic_mac_list_s), GFP_ATOMIC); 484 if (cur == NULL) 485 return -ENOMEM; 486 487 memcpy(cur->mac_addr, addr, ETH_ALEN); 488 489 if (qlcnic_sre_macaddr_change(adapter, 490 cur->mac_addr, vlan, QLCNIC_MAC_ADD)) { 491 kfree(cur); 492 return -EIO; 493 } 494 495 list_add_tail(&cur->list, &adapter->mac_list); 496 return 0; 497 } 498 499 void __qlcnic_set_multi(struct net_device *netdev, u16 vlan) 500 { 501 struct qlcnic_adapter *adapter = netdev_priv(netdev); 502 struct netdev_hw_addr *ha; 503 static const u8 bcast_addr[ETH_ALEN] = { 504 0xff, 0xff, 0xff, 0xff, 0xff, 0xff 505 }; 506 u32 mode = VPORT_MISS_MODE_DROP; 507 508 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) 509 return; 510 511 if (!qlcnic_sriov_vf_check(adapter)) 512 qlcnic_nic_add_mac(adapter, adapter->mac_addr, vlan); 513 qlcnic_nic_add_mac(adapter, bcast_addr, vlan); 514 515 if (netdev->flags & IFF_PROMISC) { 516 if (!(adapter->flags & QLCNIC_PROMISC_DISABLED)) 517 mode = VPORT_MISS_MODE_ACCEPT_ALL; 518 goto send_fw_cmd; 519 } 520 521 if ((netdev->flags & IFF_ALLMULTI) || 522 (netdev_mc_count(netdev) > adapter->ahw->max_mc_count)) { 523 mode = VPORT_MISS_MODE_ACCEPT_MULTI; 524 goto send_fw_cmd; 525 } 526 527 if (!netdev_mc_empty(netdev) && !qlcnic_sriov_vf_check(adapter)) { 528 netdev_for_each_mc_addr(ha, netdev) { 529 qlcnic_nic_add_mac(adapter, ha->addr, vlan); 530 } 531 } 532 533 if (qlcnic_sriov_vf_check(adapter)) 534 qlcnic_vf_add_mc_list(netdev, vlan); 535 536 send_fw_cmd: 537 if (!qlcnic_sriov_vf_check(adapter)) { 538 if (mode == VPORT_MISS_MODE_ACCEPT_ALL && 539 !adapter->fdb_mac_learn) { 540 qlcnic_alloc_lb_filters_mem(adapter); 541 adapter->drv_mac_learn = true; 542 } else { 543 adapter->drv_mac_learn = false; 544 } 545 } 546 547 qlcnic_nic_set_promisc(adapter, mode); 548 } 549 550 void qlcnic_set_multi(struct net_device *netdev) 551 { 552 struct qlcnic_adapter *adapter = netdev_priv(netdev); 553 struct netdev_hw_addr *ha; 554 struct qlcnic_mac_list_s *cur; 555 556 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) 557 return; 558 if (qlcnic_sriov_vf_check(adapter)) { 559 if (!netdev_mc_empty(netdev)) { 560 netdev_for_each_mc_addr(ha, netdev) { 561 cur = kzalloc(sizeof(struct qlcnic_mac_list_s), 562 GFP_ATOMIC); 563 if (cur == NULL) 564 break; 565 memcpy(cur->mac_addr, 566 ha->addr, ETH_ALEN); 567 list_add_tail(&cur->list, &adapter->vf_mc_list); 568 } 569 } 570 qlcnic_sriov_vf_schedule_multi(adapter->netdev); 571 return; 572 } 573 __qlcnic_set_multi(netdev, 0); 574 } 575 576 int qlcnic_82xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode) 577 { 578 struct qlcnic_nic_req req; 579 u64 word; 580 581 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 582 583 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 584 585 word = QLCNIC_H2C_OPCODE_SET_MAC_RECEIVE_MODE | 586 ((u64)adapter->portnum << 16); 587 req.req_hdr = cpu_to_le64(word); 588 589 req.words[0] = cpu_to_le64(mode); 590 591 return qlcnic_send_cmd_descs(adapter, 592 (struct cmd_desc_type0 *)&req, 1); 593 } 594 595 void qlcnic_82xx_free_mac_list(struct qlcnic_adapter *adapter) 596 { 597 struct qlcnic_mac_list_s *cur; 598 struct list_head *head = &adapter->mac_list; 599 600 while (!list_empty(head)) { 601 cur = list_entry(head->next, struct qlcnic_mac_list_s, list); 602 qlcnic_sre_macaddr_change(adapter, 603 cur->mac_addr, 0, QLCNIC_MAC_DEL); 604 list_del(&cur->list); 605 kfree(cur); 606 } 607 } 608 609 void qlcnic_prune_lb_filters(struct qlcnic_adapter *adapter) 610 { 611 struct qlcnic_filter *tmp_fil; 612 struct hlist_node *n; 613 struct hlist_head *head; 614 int i; 615 unsigned long time; 616 u8 cmd; 617 618 for (i = 0; i < adapter->fhash.fbucket_size; i++) { 619 head = &(adapter->fhash.fhead[i]); 620 hlist_for_each_entry_safe(tmp_fil, n, head, fnode) { 621 cmd = tmp_fil->vlan_id ? QLCNIC_MAC_VLAN_DEL : 622 QLCNIC_MAC_DEL; 623 time = tmp_fil->ftime; 624 if (jiffies > (QLCNIC_FILTER_AGE * HZ + time)) { 625 qlcnic_sre_macaddr_change(adapter, 626 tmp_fil->faddr, 627 tmp_fil->vlan_id, 628 cmd); 629 spin_lock_bh(&adapter->mac_learn_lock); 630 adapter->fhash.fnum--; 631 hlist_del(&tmp_fil->fnode); 632 spin_unlock_bh(&adapter->mac_learn_lock); 633 kfree(tmp_fil); 634 } 635 } 636 } 637 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) { 638 head = &(adapter->rx_fhash.fhead[i]); 639 640 hlist_for_each_entry_safe(tmp_fil, n, head, fnode) 641 { 642 time = tmp_fil->ftime; 643 if (jiffies > (QLCNIC_FILTER_AGE * HZ + time)) { 644 spin_lock_bh(&adapter->rx_mac_learn_lock); 645 adapter->rx_fhash.fnum--; 646 hlist_del(&tmp_fil->fnode); 647 spin_unlock_bh(&adapter->rx_mac_learn_lock); 648 kfree(tmp_fil); 649 } 650 } 651 } 652 } 653 654 void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter) 655 { 656 struct qlcnic_filter *tmp_fil; 657 struct hlist_node *n; 658 struct hlist_head *head; 659 int i; 660 u8 cmd; 661 662 for (i = 0; i < adapter->fhash.fbucket_size; i++) { 663 head = &(adapter->fhash.fhead[i]); 664 hlist_for_each_entry_safe(tmp_fil, n, head, fnode) { 665 cmd = tmp_fil->vlan_id ? QLCNIC_MAC_VLAN_DEL : 666 QLCNIC_MAC_DEL; 667 qlcnic_sre_macaddr_change(adapter, 668 tmp_fil->faddr, 669 tmp_fil->vlan_id, 670 cmd); 671 spin_lock_bh(&adapter->mac_learn_lock); 672 adapter->fhash.fnum--; 673 hlist_del(&tmp_fil->fnode); 674 spin_unlock_bh(&adapter->mac_learn_lock); 675 kfree(tmp_fil); 676 } 677 } 678 } 679 680 static int qlcnic_set_fw_loopback(struct qlcnic_adapter *adapter, u8 flag) 681 { 682 struct qlcnic_nic_req req; 683 int rv; 684 685 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 686 687 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 688 req.req_hdr = cpu_to_le64(QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK | 689 ((u64) adapter->portnum << 16) | ((u64) 0x1 << 32)); 690 691 req.words[0] = cpu_to_le64(flag); 692 693 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 694 if (rv != 0) 695 dev_err(&adapter->pdev->dev, "%sting loopback mode failed\n", 696 flag ? "Set" : "Reset"); 697 return rv; 698 } 699 700 int qlcnic_82xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode) 701 { 702 if (qlcnic_set_fw_loopback(adapter, mode)) 703 return -EIO; 704 705 if (qlcnic_nic_set_promisc(adapter, 706 VPORT_MISS_MODE_ACCEPT_ALL)) { 707 qlcnic_set_fw_loopback(adapter, 0); 708 return -EIO; 709 } 710 711 msleep(1000); 712 return 0; 713 } 714 715 int qlcnic_82xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode) 716 { 717 struct net_device *netdev = adapter->netdev; 718 719 mode = VPORT_MISS_MODE_DROP; 720 qlcnic_set_fw_loopback(adapter, 0); 721 722 if (netdev->flags & IFF_PROMISC) 723 mode = VPORT_MISS_MODE_ACCEPT_ALL; 724 else if (netdev->flags & IFF_ALLMULTI) 725 mode = VPORT_MISS_MODE_ACCEPT_MULTI; 726 727 qlcnic_nic_set_promisc(adapter, mode); 728 msleep(1000); 729 return 0; 730 } 731 732 /* 733 * Send the interrupt coalescing parameter set by ethtool to the card. 734 */ 735 void qlcnic_82xx_config_intr_coalesce(struct qlcnic_adapter *adapter) 736 { 737 struct qlcnic_nic_req req; 738 int rv; 739 740 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 741 742 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 743 744 req.req_hdr = cpu_to_le64(QLCNIC_CONFIG_INTR_COALESCE | 745 ((u64) adapter->portnum << 16)); 746 747 req.words[0] = cpu_to_le64(((u64) adapter->ahw->coal.flag) << 32); 748 req.words[2] = cpu_to_le64(adapter->ahw->coal.rx_packets | 749 ((u64) adapter->ahw->coal.rx_time_us) << 16); 750 req.words[5] = cpu_to_le64(adapter->ahw->coal.timer_out | 751 ((u64) adapter->ahw->coal.type) << 32 | 752 ((u64) adapter->ahw->coal.sts_ring_mask) << 40); 753 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 754 if (rv != 0) 755 dev_err(&adapter->netdev->dev, 756 "Could not send interrupt coalescing parameters\n"); 757 } 758 759 #define QLCNIC_ENABLE_IPV4_LRO 1 760 #define QLCNIC_ENABLE_IPV6_LRO 2 761 #define QLCNIC_NO_DEST_IPV4_CHECK (1 << 8) 762 #define QLCNIC_NO_DEST_IPV6_CHECK (2 << 8) 763 764 int qlcnic_82xx_config_hw_lro(struct qlcnic_adapter *adapter, int enable) 765 { 766 struct qlcnic_nic_req req; 767 u64 word; 768 int rv; 769 770 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) 771 return 0; 772 773 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 774 775 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 776 777 word = QLCNIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16); 778 req.req_hdr = cpu_to_le64(word); 779 780 word = 0; 781 if (enable) { 782 word = QLCNIC_ENABLE_IPV4_LRO | QLCNIC_NO_DEST_IPV4_CHECK; 783 if (adapter->ahw->capabilities2 & QLCNIC_FW_CAP2_HW_LRO_IPV6) 784 word |= QLCNIC_ENABLE_IPV6_LRO | 785 QLCNIC_NO_DEST_IPV6_CHECK; 786 } 787 788 req.words[0] = cpu_to_le64(word); 789 790 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 791 if (rv != 0) 792 dev_err(&adapter->netdev->dev, 793 "Could not send configure hw lro request\n"); 794 795 return rv; 796 } 797 798 int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable) 799 { 800 struct qlcnic_nic_req req; 801 u64 word; 802 int rv; 803 804 if (!!(adapter->flags & QLCNIC_BRIDGE_ENABLED) == enable) 805 return 0; 806 807 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 808 809 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 810 811 word = QLCNIC_H2C_OPCODE_CONFIG_BRIDGING | 812 ((u64)adapter->portnum << 16); 813 req.req_hdr = cpu_to_le64(word); 814 815 req.words[0] = cpu_to_le64(enable); 816 817 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 818 if (rv != 0) 819 dev_err(&adapter->netdev->dev, 820 "Could not send configure bridge mode request\n"); 821 822 adapter->flags ^= QLCNIC_BRIDGE_ENABLED; 823 824 return rv; 825 } 826 827 828 #define QLCNIC_RSS_HASHTYPE_IP_TCP 0x3 829 #define QLCNIC_ENABLE_TYPE_C_RSS BIT_10 830 #define QLCNIC_RSS_FEATURE_FLAG (1ULL << 63) 831 #define QLCNIC_RSS_IND_TABLE_MASK 0x7ULL 832 833 int qlcnic_82xx_config_rss(struct qlcnic_adapter *adapter, int enable) 834 { 835 struct qlcnic_nic_req req; 836 u64 word; 837 int i, rv; 838 839 static const u64 key[] = { 840 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL, 841 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL, 842 0x255b0ec26d5a56daULL 843 }; 844 845 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 846 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 847 848 word = QLCNIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16); 849 req.req_hdr = cpu_to_le64(word); 850 851 /* 852 * RSS request: 853 * bits 3-0: hash_method 854 * 5-4: hash_type_ipv4 855 * 7-6: hash_type_ipv6 856 * 8: enable 857 * 9: use indirection table 858 * 10: type-c rss 859 * 11: udp rss 860 * 47-12: reserved 861 * 62-48: indirection table mask 862 * 63: feature flag 863 */ 864 word = ((u64)(QLCNIC_RSS_HASHTYPE_IP_TCP & 0x3) << 4) | 865 ((u64)(QLCNIC_RSS_HASHTYPE_IP_TCP & 0x3) << 6) | 866 ((u64)(enable & 0x1) << 8) | 867 ((u64)QLCNIC_RSS_IND_TABLE_MASK << 48) | 868 (u64)QLCNIC_ENABLE_TYPE_C_RSS | 869 (u64)QLCNIC_RSS_FEATURE_FLAG; 870 871 req.words[0] = cpu_to_le64(word); 872 for (i = 0; i < 5; i++) 873 req.words[i+1] = cpu_to_le64(key[i]); 874 875 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 876 if (rv != 0) 877 dev_err(&adapter->netdev->dev, "could not configure RSS\n"); 878 879 return rv; 880 } 881 882 void qlcnic_82xx_config_ipaddr(struct qlcnic_adapter *adapter, 883 __be32 ip, int cmd) 884 { 885 struct qlcnic_nic_req req; 886 struct qlcnic_ipaddr *ipa; 887 u64 word; 888 int rv; 889 890 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 891 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 892 893 word = QLCNIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16); 894 req.req_hdr = cpu_to_le64(word); 895 896 req.words[0] = cpu_to_le64(cmd); 897 ipa = (struct qlcnic_ipaddr *)&req.words[1]; 898 ipa->ipv4 = ip; 899 900 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 901 if (rv != 0) 902 dev_err(&adapter->netdev->dev, 903 "could not notify %s IP 0x%x reuqest\n", 904 (cmd == QLCNIC_IP_UP) ? "Add" : "Remove", ip); 905 } 906 907 int qlcnic_82xx_linkevent_request(struct qlcnic_adapter *adapter, int enable) 908 { 909 struct qlcnic_nic_req req; 910 u64 word; 911 int rv; 912 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 913 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 914 915 word = QLCNIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16); 916 req.req_hdr = cpu_to_le64(word); 917 req.words[0] = cpu_to_le64(enable | (enable << 8)); 918 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 919 if (rv != 0) 920 dev_err(&adapter->netdev->dev, 921 "could not configure link notification\n"); 922 923 return rv; 924 } 925 926 int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter) 927 { 928 struct qlcnic_nic_req req; 929 u64 word; 930 int rv; 931 932 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) 933 return 0; 934 935 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 936 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 937 938 word = QLCNIC_H2C_OPCODE_LRO_REQUEST | 939 ((u64)adapter->portnum << 16) | 940 ((u64)QLCNIC_LRO_REQUEST_CLEANUP << 56) ; 941 942 req.req_hdr = cpu_to_le64(word); 943 944 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 945 if (rv != 0) 946 dev_err(&adapter->netdev->dev, 947 "could not cleanup lro flows\n"); 948 949 return rv; 950 } 951 952 /* 953 * qlcnic_change_mtu - Change the Maximum Transfer Unit 954 * @returns 0 on success, negative on failure 955 */ 956 957 int qlcnic_change_mtu(struct net_device *netdev, int mtu) 958 { 959 struct qlcnic_adapter *adapter = netdev_priv(netdev); 960 int rc = 0; 961 962 if (mtu < P3P_MIN_MTU || mtu > P3P_MAX_MTU) { 963 dev_err(&adapter->netdev->dev, "%d bytes < mtu < %d bytes" 964 " not supported\n", P3P_MAX_MTU, P3P_MIN_MTU); 965 return -EINVAL; 966 } 967 968 rc = qlcnic_fw_cmd_set_mtu(adapter, mtu); 969 970 if (!rc) 971 netdev->mtu = mtu; 972 973 return rc; 974 } 975 976 static netdev_features_t qlcnic_process_flags(struct qlcnic_adapter *adapter, 977 netdev_features_t features) 978 { 979 u32 offload_flags = adapter->offload_flags; 980 981 if (offload_flags & BIT_0) { 982 features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | 983 NETIF_F_IPV6_CSUM; 984 adapter->rx_csum = 1; 985 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 986 if (!(offload_flags & BIT_1)) 987 features &= ~NETIF_F_TSO; 988 else 989 features |= NETIF_F_TSO; 990 991 if (!(offload_flags & BIT_2)) 992 features &= ~NETIF_F_TSO6; 993 else 994 features |= NETIF_F_TSO6; 995 } 996 } else { 997 features &= ~(NETIF_F_RXCSUM | 998 NETIF_F_IP_CSUM | 999 NETIF_F_IPV6_CSUM); 1000 1001 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1002 features &= ~(NETIF_F_TSO | NETIF_F_TSO6); 1003 adapter->rx_csum = 0; 1004 } 1005 1006 return features; 1007 } 1008 1009 netdev_features_t qlcnic_fix_features(struct net_device *netdev, 1010 netdev_features_t features) 1011 { 1012 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1013 netdev_features_t changed; 1014 1015 if (qlcnic_82xx_check(adapter) && 1016 (adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 1017 if (adapter->flags & QLCNIC_APP_CHANGED_FLAGS) { 1018 features = qlcnic_process_flags(adapter, features); 1019 } else { 1020 changed = features ^ netdev->features; 1021 features ^= changed & (NETIF_F_RXCSUM | 1022 NETIF_F_IP_CSUM | 1023 NETIF_F_IPV6_CSUM | 1024 NETIF_F_TSO | 1025 NETIF_F_TSO6); 1026 } 1027 } 1028 1029 if (!(features & NETIF_F_RXCSUM)) 1030 features &= ~NETIF_F_LRO; 1031 1032 return features; 1033 } 1034 1035 1036 int qlcnic_set_features(struct net_device *netdev, netdev_features_t features) 1037 { 1038 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1039 netdev_features_t changed = netdev->features ^ features; 1040 int hw_lro = (features & NETIF_F_LRO) ? QLCNIC_LRO_ENABLED : 0; 1041 1042 if (!(changed & NETIF_F_LRO)) 1043 return 0; 1044 1045 netdev->features ^= NETIF_F_LRO; 1046 1047 if (qlcnic_config_hw_lro(adapter, hw_lro)) 1048 return -EIO; 1049 1050 if (!hw_lro && qlcnic_82xx_check(adapter)) { 1051 if (qlcnic_send_lro_cleanup(adapter)) 1052 return -EIO; 1053 } 1054 1055 return 0; 1056 } 1057 1058 /* 1059 * Changes the CRB window to the specified window. 1060 */ 1061 /* Returns < 0 if off is not valid, 1062 * 1 if window access is needed. 'off' is set to offset from 1063 * CRB space in 128M pci map 1064 * 0 if no window access is needed. 'off' is set to 2M addr 1065 * In: 'off' is offset from base in 128M pci map 1066 */ 1067 static int qlcnic_pci_get_crb_addr_2M(struct qlcnic_hardware_context *ahw, 1068 ulong off, void __iomem **addr) 1069 { 1070 const struct crb_128M_2M_sub_block_map *m; 1071 1072 if ((off >= QLCNIC_CRB_MAX) || (off < QLCNIC_PCI_CRBSPACE)) 1073 return -EINVAL; 1074 1075 off -= QLCNIC_PCI_CRBSPACE; 1076 1077 /* 1078 * Try direct map 1079 */ 1080 m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)]; 1081 1082 if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) { 1083 *addr = ahw->pci_base0 + m->start_2M + 1084 (off - m->start_128M); 1085 return 0; 1086 } 1087 1088 /* 1089 * Not in direct map, use crb window 1090 */ 1091 *addr = ahw->pci_base0 + CRB_INDIRECT_2M + (off & MASK(16)); 1092 return 1; 1093 } 1094 1095 /* 1096 * In: 'off' is offset from CRB space in 128M pci map 1097 * Out: 'off' is 2M pci map addr 1098 * side effect: lock crb window 1099 */ 1100 static int 1101 qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off) 1102 { 1103 u32 window; 1104 void __iomem *addr = adapter->ahw->pci_base0 + CRB_WINDOW_2M; 1105 1106 off -= QLCNIC_PCI_CRBSPACE; 1107 1108 window = CRB_HI(off); 1109 if (window == 0) { 1110 dev_err(&adapter->pdev->dev, "Invalid offset 0x%lx\n", off); 1111 return -EIO; 1112 } 1113 1114 writel(window, addr); 1115 if (readl(addr) != window) { 1116 if (printk_ratelimit()) 1117 dev_warn(&adapter->pdev->dev, 1118 "failed to set CRB window to %d off 0x%lx\n", 1119 window, off); 1120 return -EIO; 1121 } 1122 return 0; 1123 } 1124 1125 int qlcnic_82xx_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, 1126 u32 data) 1127 { 1128 unsigned long flags; 1129 int rv; 1130 void __iomem *addr = NULL; 1131 1132 rv = qlcnic_pci_get_crb_addr_2M(adapter->ahw, off, &addr); 1133 1134 if (rv == 0) { 1135 writel(data, addr); 1136 return 0; 1137 } 1138 1139 if (rv > 0) { 1140 /* indirect access */ 1141 write_lock_irqsave(&adapter->ahw->crb_lock, flags); 1142 crb_win_lock(adapter); 1143 rv = qlcnic_pci_set_crbwindow_2M(adapter, off); 1144 if (!rv) 1145 writel(data, addr); 1146 crb_win_unlock(adapter); 1147 write_unlock_irqrestore(&adapter->ahw->crb_lock, flags); 1148 return rv; 1149 } 1150 1151 dev_err(&adapter->pdev->dev, 1152 "%s: invalid offset: 0x%016lx\n", __func__, off); 1153 dump_stack(); 1154 return -EIO; 1155 } 1156 1157 int qlcnic_82xx_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off) 1158 { 1159 unsigned long flags; 1160 int rv; 1161 u32 data = -1; 1162 void __iomem *addr = NULL; 1163 1164 rv = qlcnic_pci_get_crb_addr_2M(adapter->ahw, off, &addr); 1165 1166 if (rv == 0) 1167 return readl(addr); 1168 1169 if (rv > 0) { 1170 /* indirect access */ 1171 write_lock_irqsave(&adapter->ahw->crb_lock, flags); 1172 crb_win_lock(adapter); 1173 if (!qlcnic_pci_set_crbwindow_2M(adapter, off)) 1174 data = readl(addr); 1175 crb_win_unlock(adapter); 1176 write_unlock_irqrestore(&adapter->ahw->crb_lock, flags); 1177 return data; 1178 } 1179 1180 dev_err(&adapter->pdev->dev, 1181 "%s: invalid offset: 0x%016lx\n", __func__, off); 1182 dump_stack(); 1183 return -1; 1184 } 1185 1186 void __iomem *qlcnic_get_ioaddr(struct qlcnic_hardware_context *ahw, 1187 u32 offset) 1188 { 1189 void __iomem *addr = NULL; 1190 1191 WARN_ON(qlcnic_pci_get_crb_addr_2M(ahw, offset, &addr)); 1192 1193 return addr; 1194 } 1195 1196 static int qlcnic_pci_mem_access_direct(struct qlcnic_adapter *adapter, 1197 u32 window, u64 off, u64 *data, int op) 1198 { 1199 void __iomem *addr; 1200 u32 start; 1201 1202 mutex_lock(&adapter->ahw->mem_lock); 1203 1204 writel(window, adapter->ahw->ocm_win_crb); 1205 /* read back to flush */ 1206 readl(adapter->ahw->ocm_win_crb); 1207 start = QLCNIC_PCI_OCM0_2M + off; 1208 1209 addr = adapter->ahw->pci_base0 + start; 1210 1211 if (op == 0) /* read */ 1212 *data = readq(addr); 1213 else /* write */ 1214 writeq(*data, addr); 1215 1216 /* Set window to 0 */ 1217 writel(0, adapter->ahw->ocm_win_crb); 1218 readl(adapter->ahw->ocm_win_crb); 1219 1220 mutex_unlock(&adapter->ahw->mem_lock); 1221 return 0; 1222 } 1223 1224 void 1225 qlcnic_pci_camqm_read_2M(struct qlcnic_adapter *adapter, u64 off, u64 *data) 1226 { 1227 void __iomem *addr = adapter->ahw->pci_base0 + 1228 QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM); 1229 1230 mutex_lock(&adapter->ahw->mem_lock); 1231 *data = readq(addr); 1232 mutex_unlock(&adapter->ahw->mem_lock); 1233 } 1234 1235 void 1236 qlcnic_pci_camqm_write_2M(struct qlcnic_adapter *adapter, u64 off, u64 data) 1237 { 1238 void __iomem *addr = adapter->ahw->pci_base0 + 1239 QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM); 1240 1241 mutex_lock(&adapter->ahw->mem_lock); 1242 writeq(data, addr); 1243 mutex_unlock(&adapter->ahw->mem_lock); 1244 } 1245 1246 1247 1248 /* Set MS memory control data for different adapters */ 1249 static void qlcnic_set_ms_controls(struct qlcnic_adapter *adapter, u64 off, 1250 struct qlcnic_ms_reg_ctrl *ms) 1251 { 1252 ms->control = QLCNIC_MS_CTRL; 1253 ms->low = QLCNIC_MS_ADDR_LO; 1254 ms->hi = QLCNIC_MS_ADDR_HI; 1255 if (off & 0xf) { 1256 ms->wd[0] = QLCNIC_MS_WRTDATA_LO; 1257 ms->rd[0] = QLCNIC_MS_RDDATA_LO; 1258 ms->wd[1] = QLCNIC_MS_WRTDATA_HI; 1259 ms->rd[1] = QLCNIC_MS_RDDATA_HI; 1260 ms->wd[2] = QLCNIC_MS_WRTDATA_ULO; 1261 ms->wd[3] = QLCNIC_MS_WRTDATA_UHI; 1262 ms->rd[2] = QLCNIC_MS_RDDATA_ULO; 1263 ms->rd[3] = QLCNIC_MS_RDDATA_UHI; 1264 } else { 1265 ms->wd[0] = QLCNIC_MS_WRTDATA_ULO; 1266 ms->rd[0] = QLCNIC_MS_RDDATA_ULO; 1267 ms->wd[1] = QLCNIC_MS_WRTDATA_UHI; 1268 ms->rd[1] = QLCNIC_MS_RDDATA_UHI; 1269 ms->wd[2] = QLCNIC_MS_WRTDATA_LO; 1270 ms->wd[3] = QLCNIC_MS_WRTDATA_HI; 1271 ms->rd[2] = QLCNIC_MS_RDDATA_LO; 1272 ms->rd[3] = QLCNIC_MS_RDDATA_HI; 1273 } 1274 1275 ms->ocm_window = OCM_WIN_P3P(off); 1276 ms->off = GET_MEM_OFFS_2M(off); 1277 } 1278 1279 int qlcnic_pci_mem_write_2M(struct qlcnic_adapter *adapter, u64 off, u64 data) 1280 { 1281 int j, ret = 0; 1282 u32 temp, off8; 1283 struct qlcnic_ms_reg_ctrl ms; 1284 1285 /* Only 64-bit aligned access */ 1286 if (off & 7) 1287 return -EIO; 1288 1289 memset(&ms, 0, sizeof(struct qlcnic_ms_reg_ctrl)); 1290 if (!(ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET, 1291 QLCNIC_ADDR_QDR_NET_MAX) || 1292 ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, 1293 QLCNIC_ADDR_DDR_NET_MAX))) 1294 return -EIO; 1295 1296 qlcnic_set_ms_controls(adapter, off, &ms); 1297 1298 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) 1299 return qlcnic_pci_mem_access_direct(adapter, ms.ocm_window, 1300 ms.off, &data, 1); 1301 1302 off8 = off & ~0xf; 1303 1304 mutex_lock(&adapter->ahw->mem_lock); 1305 1306 qlcnic_ind_wr(adapter, ms.low, off8); 1307 qlcnic_ind_wr(adapter, ms.hi, 0); 1308 1309 qlcnic_ind_wr(adapter, ms.control, TA_CTL_ENABLE); 1310 qlcnic_ind_wr(adapter, ms.control, QLCNIC_TA_START_ENABLE); 1311 1312 for (j = 0; j < MAX_CTL_CHECK; j++) { 1313 temp = qlcnic_ind_rd(adapter, ms.control); 1314 if ((temp & TA_CTL_BUSY) == 0) 1315 break; 1316 } 1317 1318 if (j >= MAX_CTL_CHECK) { 1319 ret = -EIO; 1320 goto done; 1321 } 1322 1323 /* This is the modify part of read-modify-write */ 1324 qlcnic_ind_wr(adapter, ms.wd[0], qlcnic_ind_rd(adapter, ms.rd[0])); 1325 qlcnic_ind_wr(adapter, ms.wd[1], qlcnic_ind_rd(adapter, ms.rd[1])); 1326 /* This is the write part of read-modify-write */ 1327 qlcnic_ind_wr(adapter, ms.wd[2], data & 0xffffffff); 1328 qlcnic_ind_wr(adapter, ms.wd[3], (data >> 32) & 0xffffffff); 1329 1330 qlcnic_ind_wr(adapter, ms.control, QLCNIC_TA_WRITE_ENABLE); 1331 qlcnic_ind_wr(adapter, ms.control, QLCNIC_TA_WRITE_START); 1332 1333 for (j = 0; j < MAX_CTL_CHECK; j++) { 1334 temp = qlcnic_ind_rd(adapter, ms.control); 1335 if ((temp & TA_CTL_BUSY) == 0) 1336 break; 1337 } 1338 1339 if (j >= MAX_CTL_CHECK) { 1340 if (printk_ratelimit()) 1341 dev_err(&adapter->pdev->dev, 1342 "failed to write through agent\n"); 1343 ret = -EIO; 1344 } else 1345 ret = 0; 1346 1347 done: 1348 mutex_unlock(&adapter->ahw->mem_lock); 1349 1350 return ret; 1351 } 1352 1353 int qlcnic_pci_mem_read_2M(struct qlcnic_adapter *adapter, u64 off, u64 *data) 1354 { 1355 int j, ret; 1356 u32 temp, off8; 1357 u64 val; 1358 struct qlcnic_ms_reg_ctrl ms; 1359 1360 /* Only 64-bit aligned access */ 1361 if (off & 7) 1362 return -EIO; 1363 if (!(ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET, 1364 QLCNIC_ADDR_QDR_NET_MAX) || 1365 ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, 1366 QLCNIC_ADDR_DDR_NET_MAX))) 1367 return -EIO; 1368 1369 memset(&ms, 0, sizeof(struct qlcnic_ms_reg_ctrl)); 1370 qlcnic_set_ms_controls(adapter, off, &ms); 1371 1372 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) 1373 return qlcnic_pci_mem_access_direct(adapter, ms.ocm_window, 1374 ms.off, data, 0); 1375 1376 mutex_lock(&adapter->ahw->mem_lock); 1377 1378 off8 = off & ~0xf; 1379 1380 qlcnic_ind_wr(adapter, ms.low, off8); 1381 qlcnic_ind_wr(adapter, ms.hi, 0); 1382 1383 qlcnic_ind_wr(adapter, ms.control, TA_CTL_ENABLE); 1384 qlcnic_ind_wr(adapter, ms.control, QLCNIC_TA_START_ENABLE); 1385 1386 for (j = 0; j < MAX_CTL_CHECK; j++) { 1387 temp = qlcnic_ind_rd(adapter, ms.control); 1388 if ((temp & TA_CTL_BUSY) == 0) 1389 break; 1390 } 1391 1392 if (j >= MAX_CTL_CHECK) { 1393 if (printk_ratelimit()) 1394 dev_err(&adapter->pdev->dev, 1395 "failed to read through agent\n"); 1396 ret = -EIO; 1397 } else { 1398 1399 temp = qlcnic_ind_rd(adapter, ms.rd[3]); 1400 val = (u64)temp << 32; 1401 val |= qlcnic_ind_rd(adapter, ms.rd[2]); 1402 *data = val; 1403 ret = 0; 1404 } 1405 1406 mutex_unlock(&adapter->ahw->mem_lock); 1407 1408 return ret; 1409 } 1410 1411 int qlcnic_82xx_get_board_info(struct qlcnic_adapter *adapter) 1412 { 1413 int offset, board_type, magic; 1414 struct pci_dev *pdev = adapter->pdev; 1415 1416 offset = QLCNIC_FW_MAGIC_OFFSET; 1417 if (qlcnic_rom_fast_read(adapter, offset, &magic)) 1418 return -EIO; 1419 1420 if (magic != QLCNIC_BDINFO_MAGIC) { 1421 dev_err(&pdev->dev, "invalid board config, magic=%08x\n", 1422 magic); 1423 return -EIO; 1424 } 1425 1426 offset = QLCNIC_BRDTYPE_OFFSET; 1427 if (qlcnic_rom_fast_read(adapter, offset, &board_type)) 1428 return -EIO; 1429 1430 adapter->ahw->board_type = board_type; 1431 1432 if (board_type == QLCNIC_BRDTYPE_P3P_4_GB_MM) { 1433 u32 gpio = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_PAD_GPIO_I); 1434 if ((gpio & 0x8000) == 0) 1435 board_type = QLCNIC_BRDTYPE_P3P_10G_TP; 1436 } 1437 1438 switch (board_type) { 1439 case QLCNIC_BRDTYPE_P3P_HMEZ: 1440 case QLCNIC_BRDTYPE_P3P_XG_LOM: 1441 case QLCNIC_BRDTYPE_P3P_10G_CX4: 1442 case QLCNIC_BRDTYPE_P3P_10G_CX4_LP: 1443 case QLCNIC_BRDTYPE_P3P_IMEZ: 1444 case QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS: 1445 case QLCNIC_BRDTYPE_P3P_10G_SFP_CT: 1446 case QLCNIC_BRDTYPE_P3P_10G_SFP_QT: 1447 case QLCNIC_BRDTYPE_P3P_10G_XFP: 1448 case QLCNIC_BRDTYPE_P3P_10000_BASE_T: 1449 adapter->ahw->port_type = QLCNIC_XGBE; 1450 break; 1451 case QLCNIC_BRDTYPE_P3P_REF_QG: 1452 case QLCNIC_BRDTYPE_P3P_4_GB: 1453 case QLCNIC_BRDTYPE_P3P_4_GB_MM: 1454 adapter->ahw->port_type = QLCNIC_GBE; 1455 break; 1456 case QLCNIC_BRDTYPE_P3P_10G_TP: 1457 adapter->ahw->port_type = (adapter->portnum < 2) ? 1458 QLCNIC_XGBE : QLCNIC_GBE; 1459 break; 1460 default: 1461 dev_err(&pdev->dev, "unknown board type %x\n", board_type); 1462 adapter->ahw->port_type = QLCNIC_XGBE; 1463 break; 1464 } 1465 1466 return 0; 1467 } 1468 1469 int 1470 qlcnic_wol_supported(struct qlcnic_adapter *adapter) 1471 { 1472 u32 wol_cfg; 1473 1474 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV); 1475 if (wol_cfg & (1UL << adapter->portnum)) { 1476 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG); 1477 if (wol_cfg & (1 << adapter->portnum)) 1478 return 1; 1479 } 1480 1481 return 0; 1482 } 1483 1484 int qlcnic_82xx_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate) 1485 { 1486 struct qlcnic_nic_req req; 1487 int rv; 1488 u64 word; 1489 1490 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 1491 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 1492 1493 word = QLCNIC_H2C_OPCODE_CONFIG_LED | ((u64)adapter->portnum << 16); 1494 req.req_hdr = cpu_to_le64(word); 1495 1496 req.words[0] = cpu_to_le64(((u64)rate << 32) | adapter->portnum); 1497 req.words[1] = cpu_to_le64(state); 1498 1499 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 1500 if (rv) 1501 dev_err(&adapter->pdev->dev, "LED configuration failed.\n"); 1502 1503 return rv; 1504 } 1505 1506 void qlcnic_82xx_get_func_no(struct qlcnic_adapter *adapter) 1507 { 1508 void __iomem *msix_base_addr; 1509 u32 func; 1510 u32 msix_base; 1511 1512 pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func); 1513 msix_base_addr = adapter->ahw->pci_base0 + QLCNIC_MSIX_BASE; 1514 msix_base = readl(msix_base_addr); 1515 func = (func - msix_base) / QLCNIC_MSIX_TBL_PGSIZE; 1516 adapter->ahw->pci_func = func; 1517 } 1518 1519 void qlcnic_82xx_read_crb(struct qlcnic_adapter *adapter, char *buf, 1520 loff_t offset, size_t size) 1521 { 1522 u32 data; 1523 u64 qmdata; 1524 1525 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { 1526 qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata); 1527 memcpy(buf, &qmdata, size); 1528 } else { 1529 data = QLCRD32(adapter, offset); 1530 memcpy(buf, &data, size); 1531 } 1532 } 1533 1534 void qlcnic_82xx_write_crb(struct qlcnic_adapter *adapter, char *buf, 1535 loff_t offset, size_t size) 1536 { 1537 u32 data; 1538 u64 qmdata; 1539 1540 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { 1541 memcpy(&qmdata, buf, size); 1542 qlcnic_pci_camqm_write_2M(adapter, offset, qmdata); 1543 } else { 1544 memcpy(&data, buf, size); 1545 QLCWR32(adapter, offset, data); 1546 } 1547 } 1548 1549 int qlcnic_82xx_api_lock(struct qlcnic_adapter *adapter) 1550 { 1551 return qlcnic_pcie_sem_lock(adapter, 5, 0); 1552 } 1553 1554 void qlcnic_82xx_api_unlock(struct qlcnic_adapter *adapter) 1555 { 1556 qlcnic_pcie_sem_unlock(adapter, 5); 1557 } 1558