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 timeout = 0, err = 0, done = 0; 321 322 while (!done) { 323 done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem)), 324 &err); 325 if (done == 1) 326 break; 327 if (++timeout >= QLCNIC_PCIE_SEM_TIMEOUT) { 328 if (id_reg) { 329 done = QLCRD32(adapter, id_reg, &err); 330 if (done != -1) 331 dev_err(&adapter->pdev->dev, 332 "Failed to acquire sem=%d lock held by=%d\n", 333 sem, done); 334 else 335 dev_err(&adapter->pdev->dev, 336 "Failed to acquire sem=%d lock", 337 sem); 338 } else { 339 dev_err(&adapter->pdev->dev, 340 "Failed to acquire sem=%d lock", sem); 341 } 342 return -EIO; 343 } 344 msleep(1); 345 } 346 347 if (id_reg) 348 QLCWR32(adapter, id_reg, adapter->portnum); 349 350 return 0; 351 } 352 353 void 354 qlcnic_pcie_sem_unlock(struct qlcnic_adapter *adapter, int sem) 355 { 356 int err = 0; 357 358 QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_UNLOCK(sem)), &err); 359 } 360 361 int qlcnic_ind_rd(struct qlcnic_adapter *adapter, u32 addr) 362 { 363 int err = 0; 364 u32 data; 365 366 if (qlcnic_82xx_check(adapter)) 367 qlcnic_read_window_reg(addr, adapter->ahw->pci_base0, &data); 368 else { 369 data = QLCRD32(adapter, addr, &err); 370 if (err == -EIO) 371 return err; 372 } 373 return data; 374 } 375 376 int qlcnic_ind_wr(struct qlcnic_adapter *adapter, u32 addr, u32 data) 377 { 378 int ret = 0; 379 380 if (qlcnic_82xx_check(adapter)) 381 qlcnic_write_window_reg(addr, adapter->ahw->pci_base0, data); 382 else 383 ret = qlcnic_83xx_wrt_reg_indirect(adapter, addr, data); 384 385 return ret; 386 } 387 388 static int 389 qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter, 390 struct cmd_desc_type0 *cmd_desc_arr, int nr_desc) 391 { 392 u32 i, producer; 393 struct qlcnic_cmd_buffer *pbuf; 394 struct cmd_desc_type0 *cmd_desc; 395 struct qlcnic_host_tx_ring *tx_ring; 396 397 i = 0; 398 399 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) 400 return -EIO; 401 402 tx_ring = &adapter->tx_ring[0]; 403 __netif_tx_lock_bh(tx_ring->txq); 404 405 producer = tx_ring->producer; 406 407 if (nr_desc >= qlcnic_tx_avail(tx_ring)) { 408 netif_tx_stop_queue(tx_ring->txq); 409 smp_mb(); 410 if (qlcnic_tx_avail(tx_ring) > nr_desc) { 411 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) 412 netif_tx_wake_queue(tx_ring->txq); 413 } else { 414 adapter->stats.xmit_off++; 415 __netif_tx_unlock_bh(tx_ring->txq); 416 return -EBUSY; 417 } 418 } 419 420 do { 421 cmd_desc = &cmd_desc_arr[i]; 422 423 pbuf = &tx_ring->cmd_buf_arr[producer]; 424 pbuf->skb = NULL; 425 pbuf->frag_count = 0; 426 427 memcpy(&tx_ring->desc_head[producer], 428 cmd_desc, sizeof(struct cmd_desc_type0)); 429 430 producer = get_next_index(producer, tx_ring->num_desc); 431 i++; 432 433 } while (i != nr_desc); 434 435 tx_ring->producer = producer; 436 437 qlcnic_update_cmd_producer(tx_ring); 438 439 __netif_tx_unlock_bh(tx_ring->txq); 440 441 return 0; 442 } 443 444 int qlcnic_82xx_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr, 445 u16 vlan_id, u8 op) 446 { 447 struct qlcnic_nic_req req; 448 struct qlcnic_mac_req *mac_req; 449 struct qlcnic_vlan_req *vlan_req; 450 u64 word; 451 452 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 453 req.qhdr = cpu_to_le64(QLCNIC_REQUEST << 23); 454 455 word = QLCNIC_MAC_EVENT | ((u64)adapter->portnum << 16); 456 req.req_hdr = cpu_to_le64(word); 457 458 mac_req = (struct qlcnic_mac_req *)&req.words[0]; 459 mac_req->op = op; 460 memcpy(mac_req->mac_addr, addr, ETH_ALEN); 461 462 vlan_req = (struct qlcnic_vlan_req *)&req.words[1]; 463 vlan_req->vlan_id = cpu_to_le16(vlan_id); 464 465 return qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 466 } 467 468 int qlcnic_nic_del_mac(struct qlcnic_adapter *adapter, const u8 *addr) 469 { 470 struct qlcnic_mac_vlan_list *cur; 471 struct list_head *head; 472 int err = -EINVAL; 473 474 /* Delete MAC from the existing list */ 475 list_for_each(head, &adapter->mac_list) { 476 cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 477 if (ether_addr_equal(addr, cur->mac_addr)) { 478 err = qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 479 0, QLCNIC_MAC_DEL); 480 if (err) 481 return err; 482 list_del(&cur->list); 483 kfree(cur); 484 return err; 485 } 486 } 487 return err; 488 } 489 490 int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr, u16 vlan) 491 { 492 struct qlcnic_mac_vlan_list *cur; 493 struct list_head *head; 494 495 /* look up if already exists */ 496 list_for_each(head, &adapter->mac_list) { 497 cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 498 if (ether_addr_equal(addr, cur->mac_addr) && 499 cur->vlan_id == vlan) 500 return 0; 501 } 502 503 cur = kzalloc(sizeof(*cur), GFP_ATOMIC); 504 if (cur == NULL) 505 return -ENOMEM; 506 507 memcpy(cur->mac_addr, addr, ETH_ALEN); 508 509 if (qlcnic_sre_macaddr_change(adapter, 510 cur->mac_addr, vlan, QLCNIC_MAC_ADD)) { 511 kfree(cur); 512 return -EIO; 513 } 514 515 cur->vlan_id = vlan; 516 list_add_tail(&cur->list, &adapter->mac_list); 517 return 0; 518 } 519 520 static void __qlcnic_set_multi(struct net_device *netdev, u16 vlan) 521 { 522 struct qlcnic_adapter *adapter = netdev_priv(netdev); 523 struct qlcnic_hardware_context *ahw = adapter->ahw; 524 struct netdev_hw_addr *ha; 525 static const u8 bcast_addr[ETH_ALEN] = { 526 0xff, 0xff, 0xff, 0xff, 0xff, 0xff 527 }; 528 u32 mode = VPORT_MISS_MODE_DROP; 529 530 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) 531 return; 532 533 qlcnic_nic_add_mac(adapter, adapter->mac_addr, vlan); 534 qlcnic_nic_add_mac(adapter, bcast_addr, vlan); 535 536 if (netdev->flags & IFF_PROMISC) { 537 if (!(adapter->flags & QLCNIC_PROMISC_DISABLED)) 538 mode = VPORT_MISS_MODE_ACCEPT_ALL; 539 } else if ((netdev->flags & IFF_ALLMULTI) || 540 (netdev_mc_count(netdev) > ahw->max_mc_count)) { 541 mode = VPORT_MISS_MODE_ACCEPT_MULTI; 542 } else if (!netdev_mc_empty(netdev)) { 543 netdev_for_each_mc_addr(ha, netdev) 544 qlcnic_nic_add_mac(adapter, ha->addr, vlan); 545 } 546 547 /* configure unicast MAC address, if there is not sufficient space 548 * to store all the unicast addresses then enable promiscuous mode 549 */ 550 if (netdev_uc_count(netdev) > ahw->max_uc_count) { 551 mode = VPORT_MISS_MODE_ACCEPT_ALL; 552 } else if (!netdev_uc_empty(netdev)) { 553 netdev_for_each_uc_addr(ha, netdev) 554 qlcnic_nic_add_mac(adapter, ha->addr, vlan); 555 } 556 557 if (mode == VPORT_MISS_MODE_ACCEPT_ALL && 558 !adapter->fdb_mac_learn) { 559 qlcnic_alloc_lb_filters_mem(adapter); 560 adapter->drv_mac_learn = 1; 561 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) 562 adapter->rx_mac_learn = true; 563 } else { 564 adapter->drv_mac_learn = 0; 565 adapter->rx_mac_learn = false; 566 } 567 568 qlcnic_nic_set_promisc(adapter, mode); 569 } 570 571 void qlcnic_set_multi(struct net_device *netdev) 572 { 573 struct qlcnic_adapter *adapter = netdev_priv(netdev); 574 575 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) 576 return; 577 578 if (qlcnic_sriov_vf_check(adapter)) 579 qlcnic_sriov_vf_set_multi(netdev); 580 else 581 __qlcnic_set_multi(netdev, 0); 582 } 583 584 int qlcnic_82xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode) 585 { 586 struct qlcnic_nic_req req; 587 u64 word; 588 589 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 590 591 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 592 593 word = QLCNIC_H2C_OPCODE_SET_MAC_RECEIVE_MODE | 594 ((u64)adapter->portnum << 16); 595 req.req_hdr = cpu_to_le64(word); 596 597 req.words[0] = cpu_to_le64(mode); 598 599 return qlcnic_send_cmd_descs(adapter, 600 (struct cmd_desc_type0 *)&req, 1); 601 } 602 603 void qlcnic_82xx_free_mac_list(struct qlcnic_adapter *adapter) 604 { 605 struct list_head *head = &adapter->mac_list; 606 struct qlcnic_mac_vlan_list *cur; 607 608 while (!list_empty(head)) { 609 cur = list_entry(head->next, struct qlcnic_mac_vlan_list, list); 610 qlcnic_sre_macaddr_change(adapter, 611 cur->mac_addr, 0, QLCNIC_MAC_DEL); 612 list_del(&cur->list); 613 kfree(cur); 614 } 615 } 616 617 void qlcnic_prune_lb_filters(struct qlcnic_adapter *adapter) 618 { 619 struct qlcnic_filter *tmp_fil; 620 struct hlist_node *n; 621 struct hlist_head *head; 622 int i; 623 unsigned long expires; 624 u8 cmd; 625 626 for (i = 0; i < adapter->fhash.fbucket_size; i++) { 627 head = &(adapter->fhash.fhead[i]); 628 hlist_for_each_entry_safe(tmp_fil, n, head, fnode) { 629 cmd = tmp_fil->vlan_id ? QLCNIC_MAC_VLAN_DEL : 630 QLCNIC_MAC_DEL; 631 expires = tmp_fil->ftime + QLCNIC_FILTER_AGE * HZ; 632 if (time_before(expires, jiffies)) { 633 qlcnic_sre_macaddr_change(adapter, 634 tmp_fil->faddr, 635 tmp_fil->vlan_id, 636 cmd); 637 spin_lock_bh(&adapter->mac_learn_lock); 638 adapter->fhash.fnum--; 639 hlist_del(&tmp_fil->fnode); 640 spin_unlock_bh(&adapter->mac_learn_lock); 641 kfree(tmp_fil); 642 } 643 } 644 } 645 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) { 646 head = &(adapter->rx_fhash.fhead[i]); 647 648 hlist_for_each_entry_safe(tmp_fil, n, head, fnode) 649 { 650 expires = tmp_fil->ftime + QLCNIC_FILTER_AGE * HZ; 651 if (time_before(expires, jiffies)) { 652 spin_lock_bh(&adapter->rx_mac_learn_lock); 653 adapter->rx_fhash.fnum--; 654 hlist_del(&tmp_fil->fnode); 655 spin_unlock_bh(&adapter->rx_mac_learn_lock); 656 kfree(tmp_fil); 657 } 658 } 659 } 660 } 661 662 void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter) 663 { 664 struct qlcnic_filter *tmp_fil; 665 struct hlist_node *n; 666 struct hlist_head *head; 667 int i; 668 u8 cmd; 669 670 for (i = 0; i < adapter->fhash.fbucket_size; i++) { 671 head = &(adapter->fhash.fhead[i]); 672 hlist_for_each_entry_safe(tmp_fil, n, head, fnode) { 673 cmd = tmp_fil->vlan_id ? QLCNIC_MAC_VLAN_DEL : 674 QLCNIC_MAC_DEL; 675 qlcnic_sre_macaddr_change(adapter, 676 tmp_fil->faddr, 677 tmp_fil->vlan_id, 678 cmd); 679 spin_lock_bh(&adapter->mac_learn_lock); 680 adapter->fhash.fnum--; 681 hlist_del(&tmp_fil->fnode); 682 spin_unlock_bh(&adapter->mac_learn_lock); 683 kfree(tmp_fil); 684 } 685 } 686 } 687 688 static int qlcnic_set_fw_loopback(struct qlcnic_adapter *adapter, u8 flag) 689 { 690 struct qlcnic_nic_req req; 691 int rv; 692 693 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 694 695 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 696 req.req_hdr = cpu_to_le64(QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK | 697 ((u64) adapter->portnum << 16) | ((u64) 0x1 << 32)); 698 699 req.words[0] = cpu_to_le64(flag); 700 701 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 702 if (rv != 0) 703 dev_err(&adapter->pdev->dev, "%sting loopback mode failed\n", 704 flag ? "Set" : "Reset"); 705 return rv; 706 } 707 708 int qlcnic_82xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode) 709 { 710 if (qlcnic_set_fw_loopback(adapter, mode)) 711 return -EIO; 712 713 if (qlcnic_nic_set_promisc(adapter, 714 VPORT_MISS_MODE_ACCEPT_ALL)) { 715 qlcnic_set_fw_loopback(adapter, 0); 716 return -EIO; 717 } 718 719 msleep(1000); 720 return 0; 721 } 722 723 int qlcnic_82xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode) 724 { 725 struct net_device *netdev = adapter->netdev; 726 727 mode = VPORT_MISS_MODE_DROP; 728 qlcnic_set_fw_loopback(adapter, 0); 729 730 if (netdev->flags & IFF_PROMISC) 731 mode = VPORT_MISS_MODE_ACCEPT_ALL; 732 else if (netdev->flags & IFF_ALLMULTI) 733 mode = VPORT_MISS_MODE_ACCEPT_MULTI; 734 735 qlcnic_nic_set_promisc(adapter, mode); 736 msleep(1000); 737 return 0; 738 } 739 740 int qlcnic_82xx_read_phys_port_id(struct qlcnic_adapter *adapter) 741 { 742 u8 mac[ETH_ALEN]; 743 int ret; 744 745 ret = qlcnic_get_mac_address(adapter, mac, 746 adapter->ahw->physical_port); 747 if (ret) 748 return ret; 749 750 memcpy(adapter->ahw->phys_port_id, mac, ETH_ALEN); 751 adapter->flags |= QLCNIC_HAS_PHYS_PORT_ID; 752 753 return 0; 754 } 755 756 int qlcnic_82xx_set_rx_coalesce(struct qlcnic_adapter *adapter) 757 { 758 struct qlcnic_nic_req req; 759 int rv; 760 761 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 762 763 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 764 765 req.req_hdr = cpu_to_le64(QLCNIC_CONFIG_INTR_COALESCE | 766 ((u64) adapter->portnum << 16)); 767 768 req.words[0] = cpu_to_le64(((u64) adapter->ahw->coal.flag) << 32); 769 req.words[2] = cpu_to_le64(adapter->ahw->coal.rx_packets | 770 ((u64) adapter->ahw->coal.rx_time_us) << 16); 771 req.words[5] = cpu_to_le64(adapter->ahw->coal.timer_out | 772 ((u64) adapter->ahw->coal.type) << 32 | 773 ((u64) adapter->ahw->coal.sts_ring_mask) << 40); 774 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 775 if (rv != 0) 776 dev_err(&adapter->netdev->dev, 777 "Could not send interrupt coalescing parameters\n"); 778 779 return rv; 780 } 781 782 /* Send the interrupt coalescing parameter set by ethtool to the card. */ 783 int qlcnic_82xx_config_intr_coalesce(struct qlcnic_adapter *adapter, 784 struct ethtool_coalesce *ethcoal) 785 { 786 struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; 787 int rv; 788 789 coal->flag = QLCNIC_INTR_DEFAULT; 790 coal->rx_time_us = ethcoal->rx_coalesce_usecs; 791 coal->rx_packets = ethcoal->rx_max_coalesced_frames; 792 793 rv = qlcnic_82xx_set_rx_coalesce(adapter); 794 795 if (rv) 796 netdev_err(adapter->netdev, 797 "Failed to set Rx coalescing parametrs\n"); 798 799 return rv; 800 } 801 802 #define QLCNIC_ENABLE_IPV4_LRO BIT_0 803 #define QLCNIC_ENABLE_IPV6_LRO (BIT_1 | BIT_9) 804 805 int qlcnic_82xx_config_hw_lro(struct qlcnic_adapter *adapter, int enable) 806 { 807 struct qlcnic_nic_req req; 808 u64 word; 809 int rv; 810 811 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) 812 return 0; 813 814 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 815 816 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 817 818 word = QLCNIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16); 819 req.req_hdr = cpu_to_le64(word); 820 821 word = 0; 822 if (enable) { 823 word = QLCNIC_ENABLE_IPV4_LRO; 824 if (adapter->ahw->extra_capability[0] & 825 QLCNIC_FW_CAP2_HW_LRO_IPV6) 826 word |= QLCNIC_ENABLE_IPV6_LRO; 827 } 828 829 req.words[0] = cpu_to_le64(word); 830 831 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 832 if (rv != 0) 833 dev_err(&adapter->netdev->dev, 834 "Could not send configure hw lro request\n"); 835 836 return rv; 837 } 838 839 int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable) 840 { 841 struct qlcnic_nic_req req; 842 u64 word; 843 int rv; 844 845 if (!!(adapter->flags & QLCNIC_BRIDGE_ENABLED) == enable) 846 return 0; 847 848 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 849 850 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 851 852 word = QLCNIC_H2C_OPCODE_CONFIG_BRIDGING | 853 ((u64)adapter->portnum << 16); 854 req.req_hdr = cpu_to_le64(word); 855 856 req.words[0] = cpu_to_le64(enable); 857 858 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 859 if (rv != 0) 860 dev_err(&adapter->netdev->dev, 861 "Could not send configure bridge mode request\n"); 862 863 adapter->flags ^= QLCNIC_BRIDGE_ENABLED; 864 865 return rv; 866 } 867 868 869 #define QLCNIC_RSS_HASHTYPE_IP_TCP 0x3 870 #define QLCNIC_ENABLE_TYPE_C_RSS BIT_10 871 #define QLCNIC_RSS_FEATURE_FLAG (1ULL << 63) 872 #define QLCNIC_RSS_IND_TABLE_MASK 0x7ULL 873 874 int qlcnic_82xx_config_rss(struct qlcnic_adapter *adapter, int enable) 875 { 876 struct qlcnic_nic_req req; 877 u64 word; 878 int i, rv; 879 880 static const u64 key[] = { 881 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL, 882 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL, 883 0x255b0ec26d5a56daULL 884 }; 885 886 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 887 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 888 889 word = QLCNIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16); 890 req.req_hdr = cpu_to_le64(word); 891 892 /* 893 * RSS request: 894 * bits 3-0: hash_method 895 * 5-4: hash_type_ipv4 896 * 7-6: hash_type_ipv6 897 * 8: enable 898 * 9: use indirection table 899 * 10: type-c rss 900 * 11: udp rss 901 * 47-12: reserved 902 * 62-48: indirection table mask 903 * 63: feature flag 904 */ 905 word = ((u64)(QLCNIC_RSS_HASHTYPE_IP_TCP & 0x3) << 4) | 906 ((u64)(QLCNIC_RSS_HASHTYPE_IP_TCP & 0x3) << 6) | 907 ((u64)(enable & 0x1) << 8) | 908 ((u64)QLCNIC_RSS_IND_TABLE_MASK << 48) | 909 (u64)QLCNIC_ENABLE_TYPE_C_RSS | 910 (u64)QLCNIC_RSS_FEATURE_FLAG; 911 912 req.words[0] = cpu_to_le64(word); 913 for (i = 0; i < 5; i++) 914 req.words[i+1] = cpu_to_le64(key[i]); 915 916 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 917 if (rv != 0) 918 dev_err(&adapter->netdev->dev, "could not configure RSS\n"); 919 920 return rv; 921 } 922 923 void qlcnic_82xx_config_ipaddr(struct qlcnic_adapter *adapter, 924 __be32 ip, int cmd) 925 { 926 struct qlcnic_nic_req req; 927 struct qlcnic_ipaddr *ipa; 928 u64 word; 929 int rv; 930 931 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 932 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 933 934 word = QLCNIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16); 935 req.req_hdr = cpu_to_le64(word); 936 937 req.words[0] = cpu_to_le64(cmd); 938 ipa = (struct qlcnic_ipaddr *)&req.words[1]; 939 ipa->ipv4 = ip; 940 941 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 942 if (rv != 0) 943 dev_err(&adapter->netdev->dev, 944 "could not notify %s IP 0x%x reuqest\n", 945 (cmd == QLCNIC_IP_UP) ? "Add" : "Remove", ip); 946 } 947 948 int qlcnic_82xx_linkevent_request(struct qlcnic_adapter *adapter, int enable) 949 { 950 struct qlcnic_nic_req req; 951 u64 word; 952 int rv; 953 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 954 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 955 956 word = QLCNIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16); 957 req.req_hdr = cpu_to_le64(word); 958 req.words[0] = cpu_to_le64(enable | (enable << 8)); 959 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 960 if (rv != 0) 961 dev_err(&adapter->netdev->dev, 962 "could not configure link notification\n"); 963 964 return rv; 965 } 966 967 static int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter) 968 { 969 struct qlcnic_nic_req req; 970 u64 word; 971 int rv; 972 973 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) 974 return 0; 975 976 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 977 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 978 979 word = QLCNIC_H2C_OPCODE_LRO_REQUEST | 980 ((u64)adapter->portnum << 16) | 981 ((u64)QLCNIC_LRO_REQUEST_CLEANUP << 56) ; 982 983 req.req_hdr = cpu_to_le64(word); 984 985 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 986 if (rv != 0) 987 dev_err(&adapter->netdev->dev, 988 "could not cleanup lro flows\n"); 989 990 return rv; 991 } 992 993 /* 994 * qlcnic_change_mtu - Change the Maximum Transfer Unit 995 * @returns 0 on success, negative on failure 996 */ 997 998 int qlcnic_change_mtu(struct net_device *netdev, int mtu) 999 { 1000 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1001 int rc = 0; 1002 1003 if (mtu < P3P_MIN_MTU || mtu > P3P_MAX_MTU) { 1004 dev_err(&adapter->netdev->dev, "%d bytes < mtu < %d bytes" 1005 " not supported\n", P3P_MAX_MTU, P3P_MIN_MTU); 1006 return -EINVAL; 1007 } 1008 1009 rc = qlcnic_fw_cmd_set_mtu(adapter, mtu); 1010 1011 if (!rc) 1012 netdev->mtu = mtu; 1013 1014 return rc; 1015 } 1016 1017 static netdev_features_t qlcnic_process_flags(struct qlcnic_adapter *adapter, 1018 netdev_features_t features) 1019 { 1020 u32 offload_flags = adapter->offload_flags; 1021 1022 if (offload_flags & BIT_0) { 1023 features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | 1024 NETIF_F_IPV6_CSUM; 1025 adapter->rx_csum = 1; 1026 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 1027 if (!(offload_flags & BIT_1)) 1028 features &= ~NETIF_F_TSO; 1029 else 1030 features |= NETIF_F_TSO; 1031 1032 if (!(offload_flags & BIT_2)) 1033 features &= ~NETIF_F_TSO6; 1034 else 1035 features |= NETIF_F_TSO6; 1036 } 1037 } else { 1038 features &= ~(NETIF_F_RXCSUM | 1039 NETIF_F_IP_CSUM | 1040 NETIF_F_IPV6_CSUM); 1041 1042 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1043 features &= ~(NETIF_F_TSO | NETIF_F_TSO6); 1044 adapter->rx_csum = 0; 1045 } 1046 1047 return features; 1048 } 1049 1050 netdev_features_t qlcnic_fix_features(struct net_device *netdev, 1051 netdev_features_t features) 1052 { 1053 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1054 netdev_features_t changed; 1055 1056 if (qlcnic_82xx_check(adapter) && 1057 (adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 1058 if (adapter->flags & QLCNIC_APP_CHANGED_FLAGS) { 1059 features = qlcnic_process_flags(adapter, features); 1060 } else { 1061 changed = features ^ netdev->features; 1062 features ^= changed & (NETIF_F_RXCSUM | 1063 NETIF_F_IP_CSUM | 1064 NETIF_F_IPV6_CSUM | 1065 NETIF_F_TSO | 1066 NETIF_F_TSO6); 1067 } 1068 } 1069 1070 if (!(features & NETIF_F_RXCSUM)) 1071 features &= ~NETIF_F_LRO; 1072 1073 return features; 1074 } 1075 1076 1077 int qlcnic_set_features(struct net_device *netdev, netdev_features_t features) 1078 { 1079 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1080 netdev_features_t changed = netdev->features ^ features; 1081 int hw_lro = (features & NETIF_F_LRO) ? QLCNIC_LRO_ENABLED : 0; 1082 1083 if (!(changed & NETIF_F_LRO)) 1084 return 0; 1085 1086 netdev->features ^= NETIF_F_LRO; 1087 1088 if (qlcnic_config_hw_lro(adapter, hw_lro)) 1089 return -EIO; 1090 1091 if (!hw_lro && qlcnic_82xx_check(adapter)) { 1092 if (qlcnic_send_lro_cleanup(adapter)) 1093 return -EIO; 1094 } 1095 1096 return 0; 1097 } 1098 1099 /* 1100 * Changes the CRB window to the specified window. 1101 */ 1102 /* Returns < 0 if off is not valid, 1103 * 1 if window access is needed. 'off' is set to offset from 1104 * CRB space in 128M pci map 1105 * 0 if no window access is needed. 'off' is set to 2M addr 1106 * In: 'off' is offset from base in 128M pci map 1107 */ 1108 static int qlcnic_pci_get_crb_addr_2M(struct qlcnic_hardware_context *ahw, 1109 ulong off, void __iomem **addr) 1110 { 1111 const struct crb_128M_2M_sub_block_map *m; 1112 1113 if ((off >= QLCNIC_CRB_MAX) || (off < QLCNIC_PCI_CRBSPACE)) 1114 return -EINVAL; 1115 1116 off -= QLCNIC_PCI_CRBSPACE; 1117 1118 /* 1119 * Try direct map 1120 */ 1121 m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)]; 1122 1123 if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) { 1124 *addr = ahw->pci_base0 + m->start_2M + 1125 (off - m->start_128M); 1126 return 0; 1127 } 1128 1129 /* 1130 * Not in direct map, use crb window 1131 */ 1132 *addr = ahw->pci_base0 + CRB_INDIRECT_2M + (off & MASK(16)); 1133 return 1; 1134 } 1135 1136 /* 1137 * In: 'off' is offset from CRB space in 128M pci map 1138 * Out: 'off' is 2M pci map addr 1139 * side effect: lock crb window 1140 */ 1141 static int 1142 qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off) 1143 { 1144 u32 window; 1145 void __iomem *addr = adapter->ahw->pci_base0 + CRB_WINDOW_2M; 1146 1147 off -= QLCNIC_PCI_CRBSPACE; 1148 1149 window = CRB_HI(off); 1150 if (window == 0) { 1151 dev_err(&adapter->pdev->dev, "Invalid offset 0x%lx\n", off); 1152 return -EIO; 1153 } 1154 1155 writel(window, addr); 1156 if (readl(addr) != window) { 1157 if (printk_ratelimit()) 1158 dev_warn(&adapter->pdev->dev, 1159 "failed to set CRB window to %d off 0x%lx\n", 1160 window, off); 1161 return -EIO; 1162 } 1163 return 0; 1164 } 1165 1166 int qlcnic_82xx_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, 1167 u32 data) 1168 { 1169 unsigned long flags; 1170 int rv; 1171 void __iomem *addr = NULL; 1172 1173 rv = qlcnic_pci_get_crb_addr_2M(adapter->ahw, off, &addr); 1174 1175 if (rv == 0) { 1176 writel(data, addr); 1177 return 0; 1178 } 1179 1180 if (rv > 0) { 1181 /* indirect access */ 1182 write_lock_irqsave(&adapter->ahw->crb_lock, flags); 1183 crb_win_lock(adapter); 1184 rv = qlcnic_pci_set_crbwindow_2M(adapter, off); 1185 if (!rv) 1186 writel(data, addr); 1187 crb_win_unlock(adapter); 1188 write_unlock_irqrestore(&adapter->ahw->crb_lock, flags); 1189 return rv; 1190 } 1191 1192 dev_err(&adapter->pdev->dev, 1193 "%s: invalid offset: 0x%016lx\n", __func__, off); 1194 dump_stack(); 1195 return -EIO; 1196 } 1197 1198 int qlcnic_82xx_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off, 1199 int *err) 1200 { 1201 unsigned long flags; 1202 int rv; 1203 u32 data = -1; 1204 void __iomem *addr = NULL; 1205 1206 rv = qlcnic_pci_get_crb_addr_2M(adapter->ahw, off, &addr); 1207 1208 if (rv == 0) 1209 return readl(addr); 1210 1211 if (rv > 0) { 1212 /* indirect access */ 1213 write_lock_irqsave(&adapter->ahw->crb_lock, flags); 1214 crb_win_lock(adapter); 1215 if (!qlcnic_pci_set_crbwindow_2M(adapter, off)) 1216 data = readl(addr); 1217 crb_win_unlock(adapter); 1218 write_unlock_irqrestore(&adapter->ahw->crb_lock, flags); 1219 return data; 1220 } 1221 1222 dev_err(&adapter->pdev->dev, 1223 "%s: invalid offset: 0x%016lx\n", __func__, off); 1224 dump_stack(); 1225 return -1; 1226 } 1227 1228 void __iomem *qlcnic_get_ioaddr(struct qlcnic_hardware_context *ahw, 1229 u32 offset) 1230 { 1231 void __iomem *addr = NULL; 1232 1233 WARN_ON(qlcnic_pci_get_crb_addr_2M(ahw, offset, &addr)); 1234 1235 return addr; 1236 } 1237 1238 static int qlcnic_pci_mem_access_direct(struct qlcnic_adapter *adapter, 1239 u32 window, u64 off, u64 *data, int op) 1240 { 1241 void __iomem *addr; 1242 u32 start; 1243 1244 mutex_lock(&adapter->ahw->mem_lock); 1245 1246 writel(window, adapter->ahw->ocm_win_crb); 1247 /* read back to flush */ 1248 readl(adapter->ahw->ocm_win_crb); 1249 start = QLCNIC_PCI_OCM0_2M + off; 1250 1251 addr = adapter->ahw->pci_base0 + start; 1252 1253 if (op == 0) /* read */ 1254 *data = readq(addr); 1255 else /* write */ 1256 writeq(*data, addr); 1257 1258 /* Set window to 0 */ 1259 writel(0, adapter->ahw->ocm_win_crb); 1260 readl(adapter->ahw->ocm_win_crb); 1261 1262 mutex_unlock(&adapter->ahw->mem_lock); 1263 return 0; 1264 } 1265 1266 static void 1267 qlcnic_pci_camqm_read_2M(struct qlcnic_adapter *adapter, u64 off, u64 *data) 1268 { 1269 void __iomem *addr = adapter->ahw->pci_base0 + 1270 QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM); 1271 1272 mutex_lock(&adapter->ahw->mem_lock); 1273 *data = readq(addr); 1274 mutex_unlock(&adapter->ahw->mem_lock); 1275 } 1276 1277 static void 1278 qlcnic_pci_camqm_write_2M(struct qlcnic_adapter *adapter, u64 off, u64 data) 1279 { 1280 void __iomem *addr = adapter->ahw->pci_base0 + 1281 QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM); 1282 1283 mutex_lock(&adapter->ahw->mem_lock); 1284 writeq(data, addr); 1285 mutex_unlock(&adapter->ahw->mem_lock); 1286 } 1287 1288 1289 1290 /* Set MS memory control data for different adapters */ 1291 static void qlcnic_set_ms_controls(struct qlcnic_adapter *adapter, u64 off, 1292 struct qlcnic_ms_reg_ctrl *ms) 1293 { 1294 ms->control = QLCNIC_MS_CTRL; 1295 ms->low = QLCNIC_MS_ADDR_LO; 1296 ms->hi = QLCNIC_MS_ADDR_HI; 1297 if (off & 0xf) { 1298 ms->wd[0] = QLCNIC_MS_WRTDATA_LO; 1299 ms->rd[0] = QLCNIC_MS_RDDATA_LO; 1300 ms->wd[1] = QLCNIC_MS_WRTDATA_HI; 1301 ms->rd[1] = QLCNIC_MS_RDDATA_HI; 1302 ms->wd[2] = QLCNIC_MS_WRTDATA_ULO; 1303 ms->wd[3] = QLCNIC_MS_WRTDATA_UHI; 1304 ms->rd[2] = QLCNIC_MS_RDDATA_ULO; 1305 ms->rd[3] = QLCNIC_MS_RDDATA_UHI; 1306 } else { 1307 ms->wd[0] = QLCNIC_MS_WRTDATA_ULO; 1308 ms->rd[0] = QLCNIC_MS_RDDATA_ULO; 1309 ms->wd[1] = QLCNIC_MS_WRTDATA_UHI; 1310 ms->rd[1] = QLCNIC_MS_RDDATA_UHI; 1311 ms->wd[2] = QLCNIC_MS_WRTDATA_LO; 1312 ms->wd[3] = QLCNIC_MS_WRTDATA_HI; 1313 ms->rd[2] = QLCNIC_MS_RDDATA_LO; 1314 ms->rd[3] = QLCNIC_MS_RDDATA_HI; 1315 } 1316 1317 ms->ocm_window = OCM_WIN_P3P(off); 1318 ms->off = GET_MEM_OFFS_2M(off); 1319 } 1320 1321 int qlcnic_pci_mem_write_2M(struct qlcnic_adapter *adapter, u64 off, u64 data) 1322 { 1323 int j, ret = 0; 1324 u32 temp, off8; 1325 struct qlcnic_ms_reg_ctrl ms; 1326 1327 /* Only 64-bit aligned access */ 1328 if (off & 7) 1329 return -EIO; 1330 1331 memset(&ms, 0, sizeof(struct qlcnic_ms_reg_ctrl)); 1332 if (!(ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET, 1333 QLCNIC_ADDR_QDR_NET_MAX) || 1334 ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, 1335 QLCNIC_ADDR_DDR_NET_MAX))) 1336 return -EIO; 1337 1338 qlcnic_set_ms_controls(adapter, off, &ms); 1339 1340 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) 1341 return qlcnic_pci_mem_access_direct(adapter, ms.ocm_window, 1342 ms.off, &data, 1); 1343 1344 off8 = off & ~0xf; 1345 1346 mutex_lock(&adapter->ahw->mem_lock); 1347 1348 qlcnic_ind_wr(adapter, ms.low, off8); 1349 qlcnic_ind_wr(adapter, ms.hi, 0); 1350 1351 qlcnic_ind_wr(adapter, ms.control, TA_CTL_ENABLE); 1352 qlcnic_ind_wr(adapter, ms.control, QLCNIC_TA_START_ENABLE); 1353 1354 for (j = 0; j < MAX_CTL_CHECK; j++) { 1355 temp = qlcnic_ind_rd(adapter, ms.control); 1356 if ((temp & TA_CTL_BUSY) == 0) 1357 break; 1358 } 1359 1360 if (j >= MAX_CTL_CHECK) { 1361 ret = -EIO; 1362 goto done; 1363 } 1364 1365 /* This is the modify part of read-modify-write */ 1366 qlcnic_ind_wr(adapter, ms.wd[0], qlcnic_ind_rd(adapter, ms.rd[0])); 1367 qlcnic_ind_wr(adapter, ms.wd[1], qlcnic_ind_rd(adapter, ms.rd[1])); 1368 /* This is the write part of read-modify-write */ 1369 qlcnic_ind_wr(adapter, ms.wd[2], data & 0xffffffff); 1370 qlcnic_ind_wr(adapter, ms.wd[3], (data >> 32) & 0xffffffff); 1371 1372 qlcnic_ind_wr(adapter, ms.control, QLCNIC_TA_WRITE_ENABLE); 1373 qlcnic_ind_wr(adapter, ms.control, QLCNIC_TA_WRITE_START); 1374 1375 for (j = 0; j < MAX_CTL_CHECK; j++) { 1376 temp = qlcnic_ind_rd(adapter, ms.control); 1377 if ((temp & TA_CTL_BUSY) == 0) 1378 break; 1379 } 1380 1381 if (j >= MAX_CTL_CHECK) { 1382 if (printk_ratelimit()) 1383 dev_err(&adapter->pdev->dev, 1384 "failed to write through agent\n"); 1385 ret = -EIO; 1386 } else 1387 ret = 0; 1388 1389 done: 1390 mutex_unlock(&adapter->ahw->mem_lock); 1391 1392 return ret; 1393 } 1394 1395 int qlcnic_pci_mem_read_2M(struct qlcnic_adapter *adapter, u64 off, u64 *data) 1396 { 1397 int j, ret; 1398 u32 temp, off8; 1399 u64 val; 1400 struct qlcnic_ms_reg_ctrl ms; 1401 1402 /* Only 64-bit aligned access */ 1403 if (off & 7) 1404 return -EIO; 1405 if (!(ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET, 1406 QLCNIC_ADDR_QDR_NET_MAX) || 1407 ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, 1408 QLCNIC_ADDR_DDR_NET_MAX))) 1409 return -EIO; 1410 1411 memset(&ms, 0, sizeof(struct qlcnic_ms_reg_ctrl)); 1412 qlcnic_set_ms_controls(adapter, off, &ms); 1413 1414 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) 1415 return qlcnic_pci_mem_access_direct(adapter, ms.ocm_window, 1416 ms.off, data, 0); 1417 1418 mutex_lock(&adapter->ahw->mem_lock); 1419 1420 off8 = off & ~0xf; 1421 1422 qlcnic_ind_wr(adapter, ms.low, off8); 1423 qlcnic_ind_wr(adapter, ms.hi, 0); 1424 1425 qlcnic_ind_wr(adapter, ms.control, TA_CTL_ENABLE); 1426 qlcnic_ind_wr(adapter, ms.control, QLCNIC_TA_START_ENABLE); 1427 1428 for (j = 0; j < MAX_CTL_CHECK; j++) { 1429 temp = qlcnic_ind_rd(adapter, ms.control); 1430 if ((temp & TA_CTL_BUSY) == 0) 1431 break; 1432 } 1433 1434 if (j >= MAX_CTL_CHECK) { 1435 if (printk_ratelimit()) 1436 dev_err(&adapter->pdev->dev, 1437 "failed to read through agent\n"); 1438 ret = -EIO; 1439 } else { 1440 1441 temp = qlcnic_ind_rd(adapter, ms.rd[3]); 1442 val = (u64)temp << 32; 1443 val |= qlcnic_ind_rd(adapter, ms.rd[2]); 1444 *data = val; 1445 ret = 0; 1446 } 1447 1448 mutex_unlock(&adapter->ahw->mem_lock); 1449 1450 return ret; 1451 } 1452 1453 int qlcnic_82xx_get_board_info(struct qlcnic_adapter *adapter) 1454 { 1455 int offset, board_type, magic, err = 0; 1456 struct pci_dev *pdev = adapter->pdev; 1457 1458 offset = QLCNIC_FW_MAGIC_OFFSET; 1459 if (qlcnic_rom_fast_read(adapter, offset, &magic)) 1460 return -EIO; 1461 1462 if (magic != QLCNIC_BDINFO_MAGIC) { 1463 dev_err(&pdev->dev, "invalid board config, magic=%08x\n", 1464 magic); 1465 return -EIO; 1466 } 1467 1468 offset = QLCNIC_BRDTYPE_OFFSET; 1469 if (qlcnic_rom_fast_read(adapter, offset, &board_type)) 1470 return -EIO; 1471 1472 adapter->ahw->board_type = board_type; 1473 1474 if (board_type == QLCNIC_BRDTYPE_P3P_4_GB_MM) { 1475 u32 gpio = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_PAD_GPIO_I, &err); 1476 if (err == -EIO) 1477 return err; 1478 if ((gpio & 0x8000) == 0) 1479 board_type = QLCNIC_BRDTYPE_P3P_10G_TP; 1480 } 1481 1482 switch (board_type) { 1483 case QLCNIC_BRDTYPE_P3P_HMEZ: 1484 case QLCNIC_BRDTYPE_P3P_XG_LOM: 1485 case QLCNIC_BRDTYPE_P3P_10G_CX4: 1486 case QLCNIC_BRDTYPE_P3P_10G_CX4_LP: 1487 case QLCNIC_BRDTYPE_P3P_IMEZ: 1488 case QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS: 1489 case QLCNIC_BRDTYPE_P3P_10G_SFP_CT: 1490 case QLCNIC_BRDTYPE_P3P_10G_SFP_QT: 1491 case QLCNIC_BRDTYPE_P3P_10G_XFP: 1492 case QLCNIC_BRDTYPE_P3P_10000_BASE_T: 1493 adapter->ahw->port_type = QLCNIC_XGBE; 1494 break; 1495 case QLCNIC_BRDTYPE_P3P_REF_QG: 1496 case QLCNIC_BRDTYPE_P3P_4_GB: 1497 case QLCNIC_BRDTYPE_P3P_4_GB_MM: 1498 adapter->ahw->port_type = QLCNIC_GBE; 1499 break; 1500 case QLCNIC_BRDTYPE_P3P_10G_TP: 1501 adapter->ahw->port_type = (adapter->portnum < 2) ? 1502 QLCNIC_XGBE : QLCNIC_GBE; 1503 break; 1504 default: 1505 dev_err(&pdev->dev, "unknown board type %x\n", board_type); 1506 adapter->ahw->port_type = QLCNIC_XGBE; 1507 break; 1508 } 1509 1510 return 0; 1511 } 1512 1513 static int 1514 qlcnic_wol_supported(struct qlcnic_adapter *adapter) 1515 { 1516 u32 wol_cfg; 1517 int err = 0; 1518 1519 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err); 1520 if (wol_cfg & (1UL << adapter->portnum)) { 1521 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err); 1522 if (err == -EIO) 1523 return err; 1524 if (wol_cfg & (1 << adapter->portnum)) 1525 return 1; 1526 } 1527 1528 return 0; 1529 } 1530 1531 int qlcnic_82xx_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate) 1532 { 1533 struct qlcnic_nic_req req; 1534 int rv; 1535 u64 word; 1536 1537 memset(&req, 0, sizeof(struct qlcnic_nic_req)); 1538 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); 1539 1540 word = QLCNIC_H2C_OPCODE_CONFIG_LED | ((u64)adapter->portnum << 16); 1541 req.req_hdr = cpu_to_le64(word); 1542 1543 req.words[0] = cpu_to_le64(((u64)rate << 32) | adapter->portnum); 1544 req.words[1] = cpu_to_le64(state); 1545 1546 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 1547 if (rv) 1548 dev_err(&adapter->pdev->dev, "LED configuration failed.\n"); 1549 1550 return rv; 1551 } 1552 1553 void qlcnic_82xx_get_beacon_state(struct qlcnic_adapter *adapter) 1554 { 1555 struct qlcnic_hardware_context *ahw = adapter->ahw; 1556 struct qlcnic_cmd_args cmd; 1557 u8 beacon_state; 1558 int err = 0; 1559 1560 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_BEACON) { 1561 err = qlcnic_alloc_mbx_args(&cmd, adapter, 1562 QLCNIC_CMD_GET_LED_STATUS); 1563 if (!err) { 1564 err = qlcnic_issue_cmd(adapter, &cmd); 1565 if (err) { 1566 netdev_err(adapter->netdev, 1567 "Failed to get current beacon state, err=%d\n", 1568 err); 1569 } else { 1570 beacon_state = cmd.rsp.arg[1]; 1571 if (beacon_state == QLCNIC_BEACON_DISABLE) 1572 ahw->beacon_state = QLCNIC_BEACON_OFF; 1573 else if (beacon_state == QLCNIC_BEACON_EANBLE) 1574 ahw->beacon_state = QLCNIC_BEACON_ON; 1575 } 1576 } 1577 qlcnic_free_mbx_args(&cmd); 1578 } 1579 1580 return; 1581 } 1582 1583 void qlcnic_82xx_get_func_no(struct qlcnic_adapter *adapter) 1584 { 1585 void __iomem *msix_base_addr; 1586 u32 func; 1587 u32 msix_base; 1588 1589 pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func); 1590 msix_base_addr = adapter->ahw->pci_base0 + QLCNIC_MSIX_BASE; 1591 msix_base = readl(msix_base_addr); 1592 func = (func - msix_base) / QLCNIC_MSIX_TBL_PGSIZE; 1593 adapter->ahw->pci_func = func; 1594 } 1595 1596 void qlcnic_82xx_read_crb(struct qlcnic_adapter *adapter, char *buf, 1597 loff_t offset, size_t size) 1598 { 1599 int err = 0; 1600 u32 data; 1601 u64 qmdata; 1602 1603 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { 1604 qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata); 1605 memcpy(buf, &qmdata, size); 1606 } else { 1607 data = QLCRD32(adapter, offset, &err); 1608 memcpy(buf, &data, size); 1609 } 1610 } 1611 1612 void qlcnic_82xx_write_crb(struct qlcnic_adapter *adapter, char *buf, 1613 loff_t offset, size_t size) 1614 { 1615 u32 data; 1616 u64 qmdata; 1617 1618 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { 1619 memcpy(&qmdata, buf, size); 1620 qlcnic_pci_camqm_write_2M(adapter, offset, qmdata); 1621 } else { 1622 memcpy(&data, buf, size); 1623 QLCWR32(adapter, offset, data); 1624 } 1625 } 1626 1627 int qlcnic_82xx_api_lock(struct qlcnic_adapter *adapter) 1628 { 1629 return qlcnic_pcie_sem_lock(adapter, 5, 0); 1630 } 1631 1632 void qlcnic_82xx_api_unlock(struct qlcnic_adapter *adapter) 1633 { 1634 qlcnic_pcie_sem_unlock(adapter, 5); 1635 } 1636 1637 int qlcnic_82xx_shutdown(struct pci_dev *pdev) 1638 { 1639 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 1640 struct net_device *netdev = adapter->netdev; 1641 int retval; 1642 1643 netif_device_detach(netdev); 1644 1645 qlcnic_cancel_idc_work(adapter); 1646 1647 if (netif_running(netdev)) 1648 qlcnic_down(adapter, netdev); 1649 1650 qlcnic_clr_all_drv_state(adapter, 0); 1651 1652 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1653 1654 retval = pci_save_state(pdev); 1655 if (retval) 1656 return retval; 1657 1658 if (qlcnic_wol_supported(adapter)) { 1659 pci_enable_wake(pdev, PCI_D3cold, 1); 1660 pci_enable_wake(pdev, PCI_D3hot, 1); 1661 } 1662 1663 return 0; 1664 } 1665 1666 int qlcnic_82xx_resume(struct qlcnic_adapter *adapter) 1667 { 1668 struct net_device *netdev = adapter->netdev; 1669 int err; 1670 1671 err = qlcnic_start_firmware(adapter); 1672 if (err) { 1673 dev_err(&adapter->pdev->dev, "failed to start firmware\n"); 1674 return err; 1675 } 1676 1677 if (netif_running(netdev)) { 1678 err = qlcnic_up(adapter, netdev); 1679 if (!err) 1680 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 1681 } 1682 1683 netif_device_attach(netdev); 1684 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 1685 return err; 1686 } 1687