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 10 static const struct qlcnic_mailbox_metadata qlcnic_mbx_tbl[] = { 11 {QLCNIC_CMD_CREATE_RX_CTX, 4, 1}, 12 {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1}, 13 {QLCNIC_CMD_CREATE_TX_CTX, 4, 1}, 14 {QLCNIC_CMD_DESTROY_TX_CTX, 2, 1}, 15 {QLCNIC_CMD_INTRPT_TEST, 4, 1}, 16 {QLCNIC_CMD_SET_MTU, 4, 1}, 17 {QLCNIC_CMD_READ_PHY, 4, 2}, 18 {QLCNIC_CMD_WRITE_PHY, 5, 1}, 19 {QLCNIC_CMD_READ_HW_REG, 4, 1}, 20 {QLCNIC_CMD_GET_FLOW_CTL, 4, 2}, 21 {QLCNIC_CMD_SET_FLOW_CTL, 4, 1}, 22 {QLCNIC_CMD_READ_MAX_MTU, 4, 2}, 23 {QLCNIC_CMD_READ_MAX_LRO, 4, 2}, 24 {QLCNIC_CMD_MAC_ADDRESS, 4, 3}, 25 {QLCNIC_CMD_GET_PCI_INFO, 4, 1}, 26 {QLCNIC_CMD_GET_NIC_INFO, 4, 1}, 27 {QLCNIC_CMD_SET_NIC_INFO, 4, 1}, 28 {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3}, 29 {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1}, 30 {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3}, 31 {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1}, 32 {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1}, 33 {QLCNIC_CMD_GET_MAC_STATS, 4, 1}, 34 {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3}, 35 {QLCNIC_CMD_GET_ESWITCH_STATS, 5, 1}, 36 {QLCNIC_CMD_CONFIG_PORT, 4, 1}, 37 {QLCNIC_CMD_TEMP_SIZE, 4, 4}, 38 {QLCNIC_CMD_GET_TEMP_HDR, 4, 1}, 39 {QLCNIC_CMD_82XX_SET_DRV_VER, 4, 1}, 40 {QLCNIC_CMD_GET_LED_STATUS, 4, 2}, 41 {QLCNIC_CMD_MQ_TX_CONFIG_INTR, 2, 3}, 42 {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2}, 43 {QLCNIC_CMD_DCB_QUERY_PARAM, 4, 1}, 44 }; 45 46 static inline u32 qlcnic_get_cmd_signature(struct qlcnic_hardware_context *ahw) 47 { 48 return (ahw->pci_func & 0xff) | ((ahw->fw_hal_version & 0xff) << 8) | 49 (0xcafe << 16); 50 } 51 52 /* Allocate mailbox registers */ 53 int qlcnic_82xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx, 54 struct qlcnic_adapter *adapter, u32 type) 55 { 56 int i, size; 57 const struct qlcnic_mailbox_metadata *mbx_tbl; 58 59 mbx_tbl = qlcnic_mbx_tbl; 60 size = ARRAY_SIZE(qlcnic_mbx_tbl); 61 for (i = 0; i < size; i++) { 62 if (type == mbx_tbl[i].cmd) { 63 mbx->req.num = mbx_tbl[i].in_args; 64 mbx->rsp.num = mbx_tbl[i].out_args; 65 mbx->req.arg = kcalloc(mbx->req.num, 66 sizeof(u32), GFP_ATOMIC); 67 if (!mbx->req.arg) 68 return -ENOMEM; 69 mbx->rsp.arg = kcalloc(mbx->rsp.num, 70 sizeof(u32), GFP_ATOMIC); 71 if (!mbx->rsp.arg) { 72 kfree(mbx->req.arg); 73 mbx->req.arg = NULL; 74 return -ENOMEM; 75 } 76 memset(mbx->req.arg, 0, sizeof(u32) * mbx->req.num); 77 memset(mbx->rsp.arg, 0, sizeof(u32) * mbx->rsp.num); 78 mbx->req.arg[0] = type; 79 break; 80 } 81 } 82 return 0; 83 } 84 85 /* Free up mailbox registers */ 86 void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd) 87 { 88 kfree(cmd->req.arg); 89 cmd->req.arg = NULL; 90 kfree(cmd->rsp.arg); 91 cmd->rsp.arg = NULL; 92 } 93 94 static u32 95 qlcnic_poll_rsp(struct qlcnic_adapter *adapter) 96 { 97 u32 rsp; 98 int timeout = 0, err = 0; 99 100 do { 101 /* give atleast 1ms for firmware to respond */ 102 mdelay(1); 103 104 if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT) 105 return QLCNIC_CDRP_RSP_TIMEOUT; 106 107 rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET, &err); 108 } while (!QLCNIC_CDRP_IS_RSP(rsp)); 109 110 return rsp; 111 } 112 113 int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter, 114 struct qlcnic_cmd_args *cmd) 115 { 116 int i, err = 0; 117 u32 rsp; 118 u32 signature; 119 struct pci_dev *pdev = adapter->pdev; 120 struct qlcnic_hardware_context *ahw = adapter->ahw; 121 const char *fmt; 122 123 signature = qlcnic_get_cmd_signature(ahw); 124 125 /* Acquire semaphore before accessing CRB */ 126 if (qlcnic_api_lock(adapter)) { 127 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT; 128 return cmd->rsp.arg[0]; 129 } 130 131 QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature); 132 for (i = 1; i < QLCNIC_CDRP_MAX_ARGS; i++) 133 QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]); 134 QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET, 135 QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0])); 136 rsp = qlcnic_poll_rsp(adapter); 137 138 if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) { 139 dev_err(&pdev->dev, "card response timeout.\n"); 140 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT; 141 } else if (rsp == QLCNIC_CDRP_RSP_FAIL) { 142 cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1), &err); 143 switch (cmd->rsp.arg[0]) { 144 case QLCNIC_RCODE_INVALID_ARGS: 145 fmt = "CDRP invalid args: [%d]\n"; 146 break; 147 case QLCNIC_RCODE_NOT_SUPPORTED: 148 case QLCNIC_RCODE_NOT_IMPL: 149 fmt = "CDRP command not supported: [%d]\n"; 150 break; 151 case QLCNIC_RCODE_NOT_PERMITTED: 152 fmt = "CDRP requested action not permitted: [%d]\n"; 153 break; 154 case QLCNIC_RCODE_INVALID: 155 fmt = "CDRP invalid or unknown cmd received: [%d]\n"; 156 break; 157 case QLCNIC_RCODE_TIMEOUT: 158 fmt = "CDRP command timeout: [%d]\n"; 159 break; 160 default: 161 fmt = "CDRP command failed: [%d]\n"; 162 break; 163 } 164 dev_err(&pdev->dev, fmt, cmd->rsp.arg[0]); 165 qlcnic_dump_mbx(adapter, cmd); 166 } else if (rsp == QLCNIC_CDRP_RSP_OK) 167 cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS; 168 169 for (i = 1; i < cmd->rsp.num; i++) 170 cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i), &err); 171 172 /* Release semaphore */ 173 qlcnic_api_unlock(adapter); 174 return cmd->rsp.arg[0]; 175 } 176 177 int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter, u32 fw_cmd) 178 { 179 struct qlcnic_cmd_args cmd; 180 u32 arg1, arg2, arg3; 181 char drv_string[12]; 182 int err = 0; 183 184 memset(drv_string, 0, sizeof(drv_string)); 185 snprintf(drv_string, sizeof(drv_string), "%d"".""%d"".""%d", 186 _QLCNIC_LINUX_MAJOR, _QLCNIC_LINUX_MINOR, 187 _QLCNIC_LINUX_SUBVERSION); 188 189 err = qlcnic_alloc_mbx_args(&cmd, adapter, fw_cmd); 190 if (err) 191 return err; 192 193 memcpy(&arg1, drv_string, sizeof(u32)); 194 memcpy(&arg2, drv_string + 4, sizeof(u32)); 195 memcpy(&arg3, drv_string + 8, sizeof(u32)); 196 197 cmd.req.arg[1] = arg1; 198 cmd.req.arg[2] = arg2; 199 cmd.req.arg[3] = arg3; 200 201 err = qlcnic_issue_cmd(adapter, &cmd); 202 if (err) { 203 dev_info(&adapter->pdev->dev, 204 "Failed to set driver version in firmware\n"); 205 err = -EIO; 206 } 207 qlcnic_free_mbx_args(&cmd); 208 return err; 209 } 210 211 int 212 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu) 213 { 214 int err = 0; 215 struct qlcnic_cmd_args cmd; 216 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 217 218 if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE) 219 return err; 220 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU); 221 if (err) 222 return err; 223 224 cmd.req.arg[1] = recv_ctx->context_id; 225 cmd.req.arg[2] = mtu; 226 227 err = qlcnic_issue_cmd(adapter, &cmd); 228 if (err) { 229 dev_err(&adapter->pdev->dev, "Failed to set mtu\n"); 230 err = -EIO; 231 } 232 qlcnic_free_mbx_args(&cmd); 233 return err; 234 } 235 236 int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter) 237 { 238 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 239 struct qlcnic_hardware_context *ahw = adapter->ahw; 240 dma_addr_t hostrq_phys_addr, cardrsp_phys_addr; 241 struct net_device *netdev = adapter->netdev; 242 u32 temp_intr_crb_mode, temp_rds_crb_mode; 243 struct qlcnic_cardrsp_rds_ring *prsp_rds; 244 struct qlcnic_cardrsp_sds_ring *prsp_sds; 245 struct qlcnic_hostrq_rds_ring *prq_rds; 246 struct qlcnic_hostrq_sds_ring *prq_sds; 247 struct qlcnic_host_rds_ring *rds_ring; 248 struct qlcnic_host_sds_ring *sds_ring; 249 struct qlcnic_cardrsp_rx_ctx *prsp; 250 struct qlcnic_hostrq_rx_ctx *prq; 251 u8 i, nrds_rings, nsds_rings; 252 struct qlcnic_cmd_args cmd; 253 size_t rq_size, rsp_size; 254 u32 cap, reg, val, reg2; 255 u64 phys_addr; 256 u16 temp_u16; 257 void *addr; 258 int err; 259 260 nrds_rings = adapter->max_rds_rings; 261 nsds_rings = adapter->drv_sds_rings; 262 263 rq_size = SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings, 264 nsds_rings); 265 rsp_size = SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings, 266 nsds_rings); 267 268 addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size, 269 &hostrq_phys_addr, GFP_KERNEL); 270 if (addr == NULL) 271 return -ENOMEM; 272 prq = addr; 273 274 addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size, 275 &cardrsp_phys_addr, GFP_KERNEL); 276 if (addr == NULL) { 277 err = -ENOMEM; 278 goto out_free_rq; 279 } 280 prsp = addr; 281 282 prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr); 283 284 cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN 285 | QLCNIC_CAP0_VALIDOFF); 286 cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS); 287 288 if (qlcnic_check_multi_tx(adapter) && 289 !adapter->ahw->diag_test) { 290 cap |= QLCNIC_CAP0_TX_MULTI; 291 } else { 292 temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler); 293 prq->valid_field_offset = cpu_to_le16(temp_u16); 294 prq->txrx_sds_binding = nsds_rings - 1; 295 temp_intr_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED; 296 prq->host_int_crb_mode = cpu_to_le32(temp_intr_crb_mode); 297 temp_rds_crb_mode = QLCNIC_HOST_RDS_CRB_MODE_UNIQUE; 298 prq->host_rds_crb_mode = cpu_to_le32(temp_rds_crb_mode); 299 } 300 301 prq->capabilities[0] = cpu_to_le32(cap); 302 303 prq->num_rds_rings = cpu_to_le16(nrds_rings); 304 prq->num_sds_rings = cpu_to_le16(nsds_rings); 305 prq->rds_ring_offset = 0; 306 307 val = le32_to_cpu(prq->rds_ring_offset) + 308 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings); 309 prq->sds_ring_offset = cpu_to_le32(val); 310 311 prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data + 312 le32_to_cpu(prq->rds_ring_offset)); 313 314 for (i = 0; i < nrds_rings; i++) { 315 rds_ring = &recv_ctx->rds_rings[i]; 316 rds_ring->producer = 0; 317 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr); 318 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc); 319 prq_rds[i].ring_kind = cpu_to_le32(i); 320 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size); 321 } 322 323 prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data + 324 le32_to_cpu(prq->sds_ring_offset)); 325 326 for (i = 0; i < nsds_rings; i++) { 327 sds_ring = &recv_ctx->sds_rings[i]; 328 sds_ring->consumer = 0; 329 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring)); 330 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr); 331 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc); 332 if (qlcnic_check_multi_tx(adapter) && 333 !adapter->ahw->diag_test) 334 prq_sds[i].msi_index = cpu_to_le16(ahw->intr_tbl[i].id); 335 else 336 prq_sds[i].msi_index = cpu_to_le16(i); 337 } 338 339 phys_addr = hostrq_phys_addr; 340 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX); 341 if (err) 342 goto out_free_rsp; 343 344 cmd.req.arg[1] = MSD(phys_addr); 345 cmd.req.arg[2] = LSD(phys_addr); 346 cmd.req.arg[3] = rq_size; 347 err = qlcnic_issue_cmd(adapter, &cmd); 348 if (err) { 349 dev_err(&adapter->pdev->dev, 350 "Failed to create rx ctx in firmware%d\n", err); 351 goto out_free_rsp; 352 } 353 354 prsp_rds = ((struct qlcnic_cardrsp_rds_ring *) 355 &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]); 356 357 for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) { 358 rds_ring = &recv_ctx->rds_rings[i]; 359 reg = le32_to_cpu(prsp_rds[i].host_producer_crb); 360 rds_ring->crb_rcv_producer = ahw->pci_base0 + reg; 361 } 362 363 prsp_sds = ((struct qlcnic_cardrsp_sds_ring *) 364 &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]); 365 366 for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) { 367 sds_ring = &recv_ctx->sds_rings[i]; 368 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb); 369 if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test) 370 reg2 = ahw->intr_tbl[i].src; 371 else 372 reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb); 373 374 sds_ring->crb_intr_mask = ahw->pci_base0 + reg2; 375 sds_ring->crb_sts_consumer = ahw->pci_base0 + reg; 376 } 377 378 recv_ctx->state = le32_to_cpu(prsp->host_ctx_state); 379 recv_ctx->context_id = le16_to_cpu(prsp->context_id); 380 recv_ctx->virt_port = prsp->virt_port; 381 382 netdev_info(netdev, "Rx Context[%d] Created, state 0x%x\n", 383 recv_ctx->context_id, recv_ctx->state); 384 qlcnic_free_mbx_args(&cmd); 385 386 out_free_rsp: 387 dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp, 388 cardrsp_phys_addr); 389 out_free_rq: 390 dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr); 391 392 return err; 393 } 394 395 void qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter) 396 { 397 int err; 398 struct qlcnic_cmd_args cmd; 399 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 400 401 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX); 402 if (err) 403 return; 404 405 cmd.req.arg[1] = recv_ctx->context_id; 406 err = qlcnic_issue_cmd(adapter, &cmd); 407 if (err) 408 dev_err(&adapter->pdev->dev, 409 "Failed to destroy rx ctx in firmware\n"); 410 411 recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED; 412 qlcnic_free_mbx_args(&cmd); 413 } 414 415 int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter, 416 struct qlcnic_host_tx_ring *tx_ring, 417 int ring) 418 { 419 struct qlcnic_hardware_context *ahw = adapter->ahw; 420 struct net_device *netdev = adapter->netdev; 421 struct qlcnic_hostrq_tx_ctx *prq; 422 struct qlcnic_hostrq_cds_ring *prq_cds; 423 struct qlcnic_cardrsp_tx_ctx *prsp; 424 struct qlcnic_cmd_args cmd; 425 u32 temp, intr_mask, temp_int_crb_mode; 426 dma_addr_t rq_phys_addr, rsp_phys_addr; 427 int temp_nsds_rings, index, err; 428 void *rq_addr, *rsp_addr; 429 size_t rq_size, rsp_size; 430 u64 phys_addr; 431 u16 msix_id; 432 433 /* reset host resources */ 434 tx_ring->producer = 0; 435 tx_ring->sw_consumer = 0; 436 *(tx_ring->hw_consumer) = 0; 437 438 rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx); 439 rq_addr = dma_zalloc_coherent(&adapter->pdev->dev, rq_size, 440 &rq_phys_addr, GFP_KERNEL); 441 if (!rq_addr) 442 return -ENOMEM; 443 444 rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx); 445 rsp_addr = dma_zalloc_coherent(&adapter->pdev->dev, rsp_size, 446 &rsp_phys_addr, GFP_KERNEL); 447 if (!rsp_addr) { 448 err = -ENOMEM; 449 goto out_free_rq; 450 } 451 452 prq = rq_addr; 453 prsp = rsp_addr; 454 455 prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr); 456 457 temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN | 458 QLCNIC_CAP0_LSO); 459 if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test) 460 temp |= QLCNIC_CAP0_TX_MULTI; 461 462 prq->capabilities[0] = cpu_to_le32(temp); 463 464 if (qlcnic_check_multi_tx(adapter) && 465 !adapter->ahw->diag_test) { 466 temp_nsds_rings = adapter->drv_sds_rings; 467 index = temp_nsds_rings + ring; 468 msix_id = ahw->intr_tbl[index].id; 469 prq->msi_index = cpu_to_le16(msix_id); 470 } else { 471 temp_int_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED; 472 prq->host_int_crb_mode = cpu_to_le32(temp_int_crb_mode); 473 prq->msi_index = 0; 474 } 475 476 prq->interrupt_ctl = 0; 477 prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr); 478 479 prq_cds = &prq->cds_ring; 480 481 prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr); 482 prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc); 483 484 phys_addr = rq_phys_addr; 485 486 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX); 487 if (err) 488 goto out_free_rsp; 489 490 cmd.req.arg[1] = MSD(phys_addr); 491 cmd.req.arg[2] = LSD(phys_addr); 492 cmd.req.arg[3] = rq_size; 493 err = qlcnic_issue_cmd(adapter, &cmd); 494 495 if (err == QLCNIC_RCODE_SUCCESS) { 496 tx_ring->state = le32_to_cpu(prsp->host_ctx_state); 497 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb); 498 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp; 499 tx_ring->ctx_id = le16_to_cpu(prsp->context_id); 500 if (qlcnic_check_multi_tx(adapter) && 501 !adapter->ahw->diag_test && 502 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 503 index = adapter->drv_sds_rings + ring; 504 intr_mask = ahw->intr_tbl[index].src; 505 tx_ring->crb_intr_mask = ahw->pci_base0 + intr_mask; 506 } 507 508 netdev_info(netdev, "Tx Context[0x%x] Created, state 0x%x\n", 509 tx_ring->ctx_id, tx_ring->state); 510 } else { 511 netdev_err(netdev, "Failed to create tx ctx in firmware%d\n", 512 err); 513 err = -EIO; 514 } 515 qlcnic_free_mbx_args(&cmd); 516 517 out_free_rsp: 518 dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr, 519 rsp_phys_addr); 520 out_free_rq: 521 dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr); 522 523 return err; 524 } 525 526 void qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter, 527 struct qlcnic_host_tx_ring *tx_ring) 528 { 529 struct qlcnic_cmd_args cmd; 530 int ret; 531 532 ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX); 533 if (ret) 534 return; 535 536 cmd.req.arg[1] = tx_ring->ctx_id; 537 if (qlcnic_issue_cmd(adapter, &cmd)) 538 dev_err(&adapter->pdev->dev, 539 "Failed to destroy tx ctx in firmware\n"); 540 qlcnic_free_mbx_args(&cmd); 541 } 542 543 int 544 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config) 545 { 546 int err; 547 struct qlcnic_cmd_args cmd; 548 549 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT); 550 if (err) 551 return err; 552 553 cmd.req.arg[1] = config; 554 err = qlcnic_issue_cmd(adapter, &cmd); 555 qlcnic_free_mbx_args(&cmd); 556 return err; 557 } 558 559 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter) 560 { 561 void *addr; 562 int err, ring; 563 struct qlcnic_recv_context *recv_ctx; 564 struct qlcnic_host_rds_ring *rds_ring; 565 struct qlcnic_host_sds_ring *sds_ring; 566 struct qlcnic_host_tx_ring *tx_ring; 567 __le32 *ptr; 568 569 struct pci_dev *pdev = adapter->pdev; 570 571 recv_ctx = adapter->recv_ctx; 572 573 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 574 tx_ring = &adapter->tx_ring[ring]; 575 ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32), 576 &tx_ring->hw_cons_phys_addr, 577 GFP_KERNEL); 578 if (ptr == NULL) 579 return -ENOMEM; 580 581 tx_ring->hw_consumer = ptr; 582 /* cmd desc ring */ 583 addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring), 584 &tx_ring->phys_addr, 585 GFP_KERNEL); 586 if (addr == NULL) { 587 err = -ENOMEM; 588 goto err_out_free; 589 } 590 591 tx_ring->desc_head = addr; 592 } 593 594 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 595 rds_ring = &recv_ctx->rds_rings[ring]; 596 addr = dma_alloc_coherent(&adapter->pdev->dev, 597 RCV_DESC_RINGSIZE(rds_ring), 598 &rds_ring->phys_addr, GFP_KERNEL); 599 if (addr == NULL) { 600 err = -ENOMEM; 601 goto err_out_free; 602 } 603 rds_ring->desc_head = addr; 604 605 } 606 607 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 608 sds_ring = &recv_ctx->sds_rings[ring]; 609 610 addr = dma_alloc_coherent(&adapter->pdev->dev, 611 STATUS_DESC_RINGSIZE(sds_ring), 612 &sds_ring->phys_addr, GFP_KERNEL); 613 if (addr == NULL) { 614 err = -ENOMEM; 615 goto err_out_free; 616 } 617 sds_ring->desc_head = addr; 618 } 619 620 return 0; 621 622 err_out_free: 623 qlcnic_free_hw_resources(adapter); 624 return err; 625 } 626 627 int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev) 628 { 629 int i, err, ring; 630 631 if (dev->flags & QLCNIC_NEED_FLR) { 632 pci_reset_function(dev->pdev); 633 dev->flags &= ~QLCNIC_NEED_FLR; 634 } 635 636 if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) { 637 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 638 err = qlcnic_83xx_config_intrpt(dev, 1); 639 if (err) 640 return err; 641 } 642 } 643 644 if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) && 645 qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test) { 646 err = qlcnic_82xx_mq_intrpt(dev, 1); 647 if (err) 648 return err; 649 } 650 651 err = qlcnic_fw_cmd_create_rx_ctx(dev); 652 if (err) 653 goto err_out; 654 655 for (ring = 0; ring < dev->drv_tx_rings; ring++) { 656 err = qlcnic_fw_cmd_create_tx_ctx(dev, 657 &dev->tx_ring[ring], 658 ring); 659 if (err) { 660 qlcnic_fw_cmd_del_rx_ctx(dev); 661 if (ring == 0) 662 goto err_out; 663 664 for (i = 0; i < ring; i++) 665 qlcnic_fw_cmd_del_tx_ctx(dev, &dev->tx_ring[i]); 666 667 goto err_out; 668 } 669 } 670 671 set_bit(__QLCNIC_FW_ATTACHED, &dev->state); 672 673 return 0; 674 675 err_out: 676 if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) && 677 qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test) 678 qlcnic_82xx_config_intrpt(dev, 0); 679 680 if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) { 681 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) 682 qlcnic_83xx_config_intrpt(dev, 0); 683 } 684 685 return err; 686 } 687 688 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter) 689 { 690 int ring; 691 692 if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) { 693 qlcnic_fw_cmd_del_rx_ctx(adapter); 694 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 695 qlcnic_fw_cmd_del_tx_ctx(adapter, 696 &adapter->tx_ring[ring]); 697 698 if (qlcnic_82xx_check(adapter) && 699 (adapter->flags & QLCNIC_MSIX_ENABLED) && 700 qlcnic_check_multi_tx(adapter) && 701 !adapter->ahw->diag_test) 702 qlcnic_82xx_config_intrpt(adapter, 0); 703 704 if (qlcnic_83xx_check(adapter) && 705 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 706 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) 707 qlcnic_83xx_config_intrpt(adapter, 0); 708 } 709 /* Allow dma queues to drain after context reset */ 710 mdelay(20); 711 } 712 } 713 714 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter) 715 { 716 struct qlcnic_recv_context *recv_ctx; 717 struct qlcnic_host_rds_ring *rds_ring; 718 struct qlcnic_host_sds_ring *sds_ring; 719 struct qlcnic_host_tx_ring *tx_ring; 720 int ring; 721 722 recv_ctx = adapter->recv_ctx; 723 724 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 725 tx_ring = &adapter->tx_ring[ring]; 726 if (tx_ring->hw_consumer != NULL) { 727 dma_free_coherent(&adapter->pdev->dev, sizeof(u32), 728 tx_ring->hw_consumer, 729 tx_ring->hw_cons_phys_addr); 730 731 tx_ring->hw_consumer = NULL; 732 } 733 734 if (tx_ring->desc_head != NULL) { 735 dma_free_coherent(&adapter->pdev->dev, 736 TX_DESC_RINGSIZE(tx_ring), 737 tx_ring->desc_head, 738 tx_ring->phys_addr); 739 tx_ring->desc_head = NULL; 740 } 741 } 742 743 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 744 rds_ring = &recv_ctx->rds_rings[ring]; 745 746 if (rds_ring->desc_head != NULL) { 747 dma_free_coherent(&adapter->pdev->dev, 748 RCV_DESC_RINGSIZE(rds_ring), 749 rds_ring->desc_head, 750 rds_ring->phys_addr); 751 rds_ring->desc_head = NULL; 752 } 753 } 754 755 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 756 sds_ring = &recv_ctx->sds_rings[ring]; 757 758 if (sds_ring->desc_head != NULL) { 759 dma_free_coherent(&adapter->pdev->dev, 760 STATUS_DESC_RINGSIZE(sds_ring), 761 sds_ring->desc_head, 762 sds_ring->phys_addr); 763 sds_ring->desc_head = NULL; 764 } 765 } 766 } 767 768 int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type) 769 { 770 struct qlcnic_hardware_context *ahw = adapter->ahw; 771 struct net_device *netdev = adapter->netdev; 772 struct qlcnic_cmd_args cmd; 773 u32 type, val; 774 int i, err = 0; 775 776 for (i = 0; i < ahw->num_msix; i++) { 777 qlcnic_alloc_mbx_args(&cmd, adapter, 778 QLCNIC_CMD_MQ_TX_CONFIG_INTR); 779 type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL; 780 val = type | (ahw->intr_tbl[i].type << 4); 781 if (ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX) 782 val |= (ahw->intr_tbl[i].id << 16); 783 cmd.req.arg[1] = val; 784 err = qlcnic_issue_cmd(adapter, &cmd); 785 if (err) { 786 netdev_err(netdev, "Failed to %s interrupts %d\n", 787 op_type == QLCNIC_INTRPT_ADD ? "Add" : 788 "Delete", err); 789 qlcnic_free_mbx_args(&cmd); 790 return err; 791 } 792 val = cmd.rsp.arg[1]; 793 if (LSB(val)) { 794 netdev_info(netdev, 795 "failed to configure interrupt for %d\n", 796 ahw->intr_tbl[i].id); 797 continue; 798 } 799 if (op_type) { 800 ahw->intr_tbl[i].id = MSW(val); 801 ahw->intr_tbl[i].enabled = 1; 802 ahw->intr_tbl[i].src = cmd.rsp.arg[2]; 803 } else { 804 ahw->intr_tbl[i].id = i; 805 ahw->intr_tbl[i].enabled = 0; 806 ahw->intr_tbl[i].src = 0; 807 } 808 qlcnic_free_mbx_args(&cmd); 809 } 810 811 return err; 812 } 813 814 int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac, 815 u8 function) 816 { 817 int err, i; 818 struct qlcnic_cmd_args cmd; 819 u32 mac_low, mac_high; 820 821 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS); 822 if (err) 823 return err; 824 825 cmd.req.arg[1] = function | BIT_8; 826 err = qlcnic_issue_cmd(adapter, &cmd); 827 828 if (err == QLCNIC_RCODE_SUCCESS) { 829 mac_low = cmd.rsp.arg[1]; 830 mac_high = cmd.rsp.arg[2]; 831 832 for (i = 0; i < 2; i++) 833 mac[i] = (u8) (mac_high >> ((1 - i) * 8)); 834 for (i = 2; i < 6; i++) 835 mac[i] = (u8) (mac_low >> ((5 - i) * 8)); 836 } else { 837 dev_err(&adapter->pdev->dev, 838 "Failed to get mac address%d\n", err); 839 err = -EIO; 840 } 841 qlcnic_free_mbx_args(&cmd); 842 return err; 843 } 844 845 /* Get info of a NIC partition */ 846 int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter, 847 struct qlcnic_info *npar_info, u8 func_id) 848 { 849 int err; 850 dma_addr_t nic_dma_t; 851 const struct qlcnic_info_le *nic_info; 852 void *nic_info_addr; 853 struct qlcnic_cmd_args cmd; 854 size_t nic_size = sizeof(struct qlcnic_info_le); 855 856 nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size, 857 &nic_dma_t, GFP_KERNEL); 858 if (!nic_info_addr) 859 return -ENOMEM; 860 861 nic_info = nic_info_addr; 862 863 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO); 864 if (err) 865 goto out_free_dma; 866 867 cmd.req.arg[1] = MSD(nic_dma_t); 868 cmd.req.arg[2] = LSD(nic_dma_t); 869 cmd.req.arg[3] = (func_id << 16 | nic_size); 870 err = qlcnic_issue_cmd(adapter, &cmd); 871 if (err != QLCNIC_RCODE_SUCCESS) { 872 dev_err(&adapter->pdev->dev, 873 "Failed to get nic info%d\n", err); 874 err = -EIO; 875 } else { 876 npar_info->pci_func = le16_to_cpu(nic_info->pci_func); 877 npar_info->op_mode = le16_to_cpu(nic_info->op_mode); 878 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw); 879 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw); 880 npar_info->phys_port = le16_to_cpu(nic_info->phys_port); 881 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode); 882 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques); 883 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques); 884 npar_info->capabilities = le32_to_cpu(nic_info->capabilities); 885 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu); 886 } 887 888 qlcnic_free_mbx_args(&cmd); 889 out_free_dma: 890 dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr, 891 nic_dma_t); 892 893 return err; 894 } 895 896 /* Configure a NIC partition */ 897 int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter, 898 struct qlcnic_info *nic) 899 { 900 int err = -EIO; 901 dma_addr_t nic_dma_t; 902 void *nic_info_addr; 903 struct qlcnic_cmd_args cmd; 904 struct qlcnic_info_le *nic_info; 905 size_t nic_size = sizeof(struct qlcnic_info_le); 906 907 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 908 return err; 909 910 nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size, 911 &nic_dma_t, GFP_KERNEL); 912 if (!nic_info_addr) 913 return -ENOMEM; 914 915 nic_info = nic_info_addr; 916 917 nic_info->pci_func = cpu_to_le16(nic->pci_func); 918 nic_info->op_mode = cpu_to_le16(nic->op_mode); 919 nic_info->phys_port = cpu_to_le16(nic->phys_port); 920 nic_info->switch_mode = cpu_to_le16(nic->switch_mode); 921 nic_info->capabilities = cpu_to_le32(nic->capabilities); 922 nic_info->max_mac_filters = nic->max_mac_filters; 923 nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques); 924 nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques); 925 nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw); 926 nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw); 927 928 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO); 929 if (err) 930 goto out_free_dma; 931 932 cmd.req.arg[1] = MSD(nic_dma_t); 933 cmd.req.arg[2] = LSD(nic_dma_t); 934 cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size); 935 err = qlcnic_issue_cmd(adapter, &cmd); 936 937 if (err != QLCNIC_RCODE_SUCCESS) { 938 dev_err(&adapter->pdev->dev, 939 "Failed to set nic info%d\n", err); 940 err = -EIO; 941 } 942 943 qlcnic_free_mbx_args(&cmd); 944 out_free_dma: 945 dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr, 946 nic_dma_t); 947 948 return err; 949 } 950 951 /* Get PCI Info of a partition */ 952 int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter, 953 struct qlcnic_pci_info *pci_info) 954 { 955 struct qlcnic_hardware_context *ahw = adapter->ahw; 956 size_t npar_size = sizeof(struct qlcnic_pci_info_le); 957 size_t pci_size = npar_size * ahw->max_vnic_func; 958 u16 nic = 0, fcoe = 0, iscsi = 0; 959 struct qlcnic_pci_info_le *npar; 960 struct qlcnic_cmd_args cmd; 961 dma_addr_t pci_info_dma_t; 962 void *pci_info_addr; 963 int err = 0, i; 964 965 pci_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, pci_size, 966 &pci_info_dma_t, GFP_KERNEL); 967 if (!pci_info_addr) 968 return -ENOMEM; 969 970 npar = pci_info_addr; 971 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO); 972 if (err) 973 goto out_free_dma; 974 975 cmd.req.arg[1] = MSD(pci_info_dma_t); 976 cmd.req.arg[2] = LSD(pci_info_dma_t); 977 cmd.req.arg[3] = pci_size; 978 err = qlcnic_issue_cmd(adapter, &cmd); 979 980 ahw->total_nic_func = 0; 981 if (err == QLCNIC_RCODE_SUCCESS) { 982 for (i = 0; i < ahw->max_vnic_func; i++, npar++, pci_info++) { 983 pci_info->id = le16_to_cpu(npar->id); 984 pci_info->active = le16_to_cpu(npar->active); 985 if (!pci_info->active) 986 continue; 987 pci_info->type = le16_to_cpu(npar->type); 988 err = qlcnic_get_pci_func_type(adapter, pci_info->type, 989 &nic, &fcoe, &iscsi); 990 pci_info->default_port = 991 le16_to_cpu(npar->default_port); 992 pci_info->tx_min_bw = 993 le16_to_cpu(npar->tx_min_bw); 994 pci_info->tx_max_bw = 995 le16_to_cpu(npar->tx_max_bw); 996 memcpy(pci_info->mac, npar->mac, ETH_ALEN); 997 } 998 } else { 999 dev_err(&adapter->pdev->dev, 1000 "Failed to get PCI Info%d\n", err); 1001 err = -EIO; 1002 } 1003 1004 ahw->total_nic_func = nic; 1005 ahw->total_pci_func = nic + fcoe + iscsi; 1006 if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) { 1007 dev_err(&adapter->pdev->dev, 1008 "%s: Invalid function count: total nic func[%x], total pci func[%x]\n", 1009 __func__, ahw->total_nic_func, ahw->total_pci_func); 1010 err = -EIO; 1011 } 1012 qlcnic_free_mbx_args(&cmd); 1013 out_free_dma: 1014 dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr, 1015 pci_info_dma_t); 1016 1017 return err; 1018 } 1019 1020 /* Configure eSwitch for port mirroring */ 1021 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id, 1022 u8 enable_mirroring, u8 pci_func) 1023 { 1024 struct device *dev = &adapter->pdev->dev; 1025 struct qlcnic_cmd_args cmd; 1026 int err = -EIO; 1027 u32 arg1; 1028 1029 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC || 1030 !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE)) 1031 return err; 1032 1033 arg1 = id | (enable_mirroring ? BIT_4 : 0); 1034 arg1 |= pci_func << 8; 1035 1036 err = qlcnic_alloc_mbx_args(&cmd, adapter, 1037 QLCNIC_CMD_SET_PORTMIRRORING); 1038 if (err) 1039 return err; 1040 1041 cmd.req.arg[1] = arg1; 1042 err = qlcnic_issue_cmd(adapter, &cmd); 1043 1044 if (err != QLCNIC_RCODE_SUCCESS) 1045 dev_err(dev, "Failed to configure port mirroring for vNIC function %d on eSwitch %d\n", 1046 pci_func, id); 1047 else 1048 dev_info(dev, "Configured port mirroring for vNIC function %d on eSwitch %d\n", 1049 pci_func, id); 1050 qlcnic_free_mbx_args(&cmd); 1051 1052 return err; 1053 } 1054 1055 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func, 1056 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) { 1057 1058 size_t stats_size = sizeof(struct qlcnic_esw_stats_le); 1059 struct qlcnic_esw_stats_le *stats; 1060 dma_addr_t stats_dma_t; 1061 void *stats_addr; 1062 u32 arg1; 1063 struct qlcnic_cmd_args cmd; 1064 int err; 1065 1066 if (esw_stats == NULL) 1067 return -ENOMEM; 1068 1069 if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) && 1070 (func != adapter->ahw->pci_func)) { 1071 dev_err(&adapter->pdev->dev, 1072 "Not privilege to query stats for func=%d", func); 1073 return -EIO; 1074 } 1075 1076 stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size, 1077 &stats_dma_t, GFP_KERNEL); 1078 if (!stats_addr) 1079 return -ENOMEM; 1080 1081 arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12; 1082 arg1 |= rx_tx << 15 | stats_size << 16; 1083 1084 err = qlcnic_alloc_mbx_args(&cmd, adapter, 1085 QLCNIC_CMD_GET_ESWITCH_STATS); 1086 if (err) 1087 goto out_free_dma; 1088 1089 cmd.req.arg[1] = arg1; 1090 cmd.req.arg[2] = MSD(stats_dma_t); 1091 cmd.req.arg[3] = LSD(stats_dma_t); 1092 err = qlcnic_issue_cmd(adapter, &cmd); 1093 1094 if (!err) { 1095 stats = stats_addr; 1096 esw_stats->context_id = le16_to_cpu(stats->context_id); 1097 esw_stats->version = le16_to_cpu(stats->version); 1098 esw_stats->size = le16_to_cpu(stats->size); 1099 esw_stats->multicast_frames = 1100 le64_to_cpu(stats->multicast_frames); 1101 esw_stats->broadcast_frames = 1102 le64_to_cpu(stats->broadcast_frames); 1103 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames); 1104 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames); 1105 esw_stats->local_frames = le64_to_cpu(stats->local_frames); 1106 esw_stats->errors = le64_to_cpu(stats->errors); 1107 esw_stats->numbytes = le64_to_cpu(stats->numbytes); 1108 } 1109 1110 qlcnic_free_mbx_args(&cmd); 1111 out_free_dma: 1112 dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr, 1113 stats_dma_t); 1114 1115 return err; 1116 } 1117 1118 /* This routine will retrieve the MAC statistics from firmware */ 1119 int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter, 1120 struct qlcnic_mac_statistics *mac_stats) 1121 { 1122 struct qlcnic_mac_statistics_le *stats; 1123 struct qlcnic_cmd_args cmd; 1124 size_t stats_size = sizeof(struct qlcnic_mac_statistics_le); 1125 dma_addr_t stats_dma_t; 1126 void *stats_addr; 1127 int err; 1128 1129 if (mac_stats == NULL) 1130 return -ENOMEM; 1131 1132 stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size, 1133 &stats_dma_t, GFP_KERNEL); 1134 if (!stats_addr) 1135 return -ENOMEM; 1136 1137 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS); 1138 if (err) 1139 goto out_free_dma; 1140 1141 cmd.req.arg[1] = stats_size << 16; 1142 cmd.req.arg[2] = MSD(stats_dma_t); 1143 cmd.req.arg[3] = LSD(stats_dma_t); 1144 err = qlcnic_issue_cmd(adapter, &cmd); 1145 if (!err) { 1146 stats = stats_addr; 1147 mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames); 1148 mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes); 1149 mac_stats->mac_tx_mcast_pkts = 1150 le64_to_cpu(stats->mac_tx_mcast_pkts); 1151 mac_stats->mac_tx_bcast_pkts = 1152 le64_to_cpu(stats->mac_tx_bcast_pkts); 1153 mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames); 1154 mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes); 1155 mac_stats->mac_rx_mcast_pkts = 1156 le64_to_cpu(stats->mac_rx_mcast_pkts); 1157 mac_stats->mac_rx_length_error = 1158 le64_to_cpu(stats->mac_rx_length_error); 1159 mac_stats->mac_rx_length_small = 1160 le64_to_cpu(stats->mac_rx_length_small); 1161 mac_stats->mac_rx_length_large = 1162 le64_to_cpu(stats->mac_rx_length_large); 1163 mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber); 1164 mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped); 1165 mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error); 1166 } else { 1167 dev_err(&adapter->pdev->dev, 1168 "%s: Get mac stats failed, err=%d.\n", __func__, err); 1169 } 1170 1171 qlcnic_free_mbx_args(&cmd); 1172 1173 out_free_dma: 1174 dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr, 1175 stats_dma_t); 1176 1177 return err; 1178 } 1179 1180 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch, 1181 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) { 1182 1183 struct __qlcnic_esw_statistics port_stats; 1184 u8 i; 1185 int ret = -EIO; 1186 1187 if (esw_stats == NULL) 1188 return -ENOMEM; 1189 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1190 return -EIO; 1191 if (adapter->npars == NULL) 1192 return -EIO; 1193 1194 memset(esw_stats, 0, sizeof(u64)); 1195 esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL; 1196 esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL; 1197 esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL; 1198 esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL; 1199 esw_stats->errors = QLCNIC_STATS_NOT_AVAIL; 1200 esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL; 1201 esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL; 1202 esw_stats->context_id = eswitch; 1203 1204 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1205 if (adapter->npars[i].phy_port != eswitch) 1206 continue; 1207 1208 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics)); 1209 if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func, 1210 rx_tx, &port_stats)) 1211 continue; 1212 1213 esw_stats->size = port_stats.size; 1214 esw_stats->version = port_stats.version; 1215 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames, 1216 port_stats.unicast_frames); 1217 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames, 1218 port_stats.multicast_frames); 1219 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames, 1220 port_stats.broadcast_frames); 1221 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames, 1222 port_stats.dropped_frames); 1223 QLCNIC_ADD_ESW_STATS(esw_stats->errors, 1224 port_stats.errors); 1225 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames, 1226 port_stats.local_frames); 1227 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes, 1228 port_stats.numbytes); 1229 ret = 0; 1230 } 1231 return ret; 1232 } 1233 1234 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw, 1235 const u8 port, const u8 rx_tx) 1236 { 1237 struct qlcnic_hardware_context *ahw = adapter->ahw; 1238 struct qlcnic_cmd_args cmd; 1239 int err; 1240 u32 arg1; 1241 1242 if (ahw->op_mode != QLCNIC_MGMT_FUNC) 1243 return -EIO; 1244 1245 if (func_esw == QLCNIC_STATS_PORT) { 1246 if (port >= ahw->max_vnic_func) 1247 goto err_ret; 1248 } else if (func_esw == QLCNIC_STATS_ESWITCH) { 1249 if (port >= QLCNIC_NIU_MAX_XG_PORTS) 1250 goto err_ret; 1251 } else { 1252 goto err_ret; 1253 } 1254 1255 if (rx_tx > QLCNIC_QUERY_TX_COUNTER) 1256 goto err_ret; 1257 1258 arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12; 1259 arg1 |= BIT_14 | rx_tx << 15; 1260 1261 err = qlcnic_alloc_mbx_args(&cmd, adapter, 1262 QLCNIC_CMD_GET_ESWITCH_STATS); 1263 if (err) 1264 return err; 1265 1266 cmd.req.arg[1] = arg1; 1267 err = qlcnic_issue_cmd(adapter, &cmd); 1268 qlcnic_free_mbx_args(&cmd); 1269 return err; 1270 1271 err_ret: 1272 dev_err(&adapter->pdev->dev, 1273 "Invalid args func_esw %d port %d rx_ctx %d\n", 1274 func_esw, port, rx_tx); 1275 return -EIO; 1276 } 1277 1278 static int __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter, 1279 u32 *arg1, u32 *arg2) 1280 { 1281 struct device *dev = &adapter->pdev->dev; 1282 struct qlcnic_cmd_args cmd; 1283 u8 pci_func = *arg1 >> 8; 1284 int err; 1285 1286 err = qlcnic_alloc_mbx_args(&cmd, adapter, 1287 QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG); 1288 if (err) 1289 return err; 1290 1291 cmd.req.arg[1] = *arg1; 1292 err = qlcnic_issue_cmd(adapter, &cmd); 1293 *arg1 = cmd.rsp.arg[1]; 1294 *arg2 = cmd.rsp.arg[2]; 1295 qlcnic_free_mbx_args(&cmd); 1296 1297 if (err == QLCNIC_RCODE_SUCCESS) 1298 dev_info(dev, "Get eSwitch port config for vNIC function %d\n", 1299 pci_func); 1300 else 1301 dev_err(dev, "Failed to get eswitch port config for vNIC function %d\n", 1302 pci_func); 1303 return err; 1304 } 1305 /* Configure eSwitch port 1306 op_mode = 0 for setting default port behavior 1307 op_mode = 1 for setting vlan id 1308 op_mode = 2 for deleting vlan id 1309 op_type = 0 for vlan_id 1310 op_type = 1 for port vlan_id 1311 */ 1312 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter, 1313 struct qlcnic_esw_func_cfg *esw_cfg) 1314 { 1315 struct device *dev = &adapter->pdev->dev; 1316 struct qlcnic_cmd_args cmd; 1317 int err = -EIO, index; 1318 u32 arg1, arg2 = 0; 1319 u8 pci_func; 1320 1321 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1322 return err; 1323 pci_func = esw_cfg->pci_func; 1324 index = qlcnic_is_valid_nic_func(adapter, pci_func); 1325 if (index < 0) 1326 return err; 1327 arg1 = (adapter->npars[index].phy_port & BIT_0); 1328 arg1 |= (pci_func << 8); 1329 1330 if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2)) 1331 return err; 1332 arg1 &= ~(0x0ff << 8); 1333 arg1 |= (pci_func << 8); 1334 arg1 &= ~(BIT_2 | BIT_3); 1335 switch (esw_cfg->op_mode) { 1336 case QLCNIC_PORT_DEFAULTS: 1337 arg1 |= (BIT_4 | BIT_6 | BIT_7); 1338 arg2 |= (BIT_0 | BIT_1); 1339 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO) 1340 arg2 |= (BIT_2 | BIT_3); 1341 if (!(esw_cfg->discard_tagged)) 1342 arg1 &= ~BIT_4; 1343 if (!(esw_cfg->promisc_mode)) 1344 arg1 &= ~BIT_6; 1345 if (!(esw_cfg->mac_override)) 1346 arg1 &= ~BIT_7; 1347 if (!(esw_cfg->mac_anti_spoof)) 1348 arg2 &= ~BIT_0; 1349 if (!(esw_cfg->offload_flags & BIT_0)) 1350 arg2 &= ~(BIT_1 | BIT_2 | BIT_3); 1351 if (!(esw_cfg->offload_flags & BIT_1)) 1352 arg2 &= ~BIT_2; 1353 if (!(esw_cfg->offload_flags & BIT_2)) 1354 arg2 &= ~BIT_3; 1355 break; 1356 case QLCNIC_ADD_VLAN: 1357 arg1 &= ~(0x0ffff << 16); 1358 arg1 |= (BIT_2 | BIT_5); 1359 arg1 |= (esw_cfg->vlan_id << 16); 1360 break; 1361 case QLCNIC_DEL_VLAN: 1362 arg1 |= (BIT_3 | BIT_5); 1363 arg1 &= ~(0x0ffff << 16); 1364 break; 1365 default: 1366 return err; 1367 } 1368 1369 err = qlcnic_alloc_mbx_args(&cmd, adapter, 1370 QLCNIC_CMD_CONFIGURE_ESWITCH); 1371 if (err) 1372 return err; 1373 1374 cmd.req.arg[1] = arg1; 1375 cmd.req.arg[2] = arg2; 1376 err = qlcnic_issue_cmd(adapter, &cmd); 1377 qlcnic_free_mbx_args(&cmd); 1378 1379 if (err != QLCNIC_RCODE_SUCCESS) 1380 dev_err(dev, "Failed to configure eswitch for vNIC function %d\n", 1381 pci_func); 1382 else 1383 dev_info(dev, "Configured eSwitch for vNIC function %d\n", 1384 pci_func); 1385 1386 return err; 1387 } 1388 1389 int 1390 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter, 1391 struct qlcnic_esw_func_cfg *esw_cfg) 1392 { 1393 u32 arg1, arg2; 1394 int index; 1395 u8 phy_port; 1396 1397 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) { 1398 index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func); 1399 if (index < 0) 1400 return -EIO; 1401 phy_port = adapter->npars[index].phy_port; 1402 } else { 1403 phy_port = adapter->ahw->physical_port; 1404 } 1405 arg1 = phy_port; 1406 arg1 |= (esw_cfg->pci_func << 8); 1407 if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2)) 1408 return -EIO; 1409 1410 esw_cfg->discard_tagged = !!(arg1 & BIT_4); 1411 esw_cfg->host_vlan_tag = !!(arg1 & BIT_5); 1412 esw_cfg->promisc_mode = !!(arg1 & BIT_6); 1413 esw_cfg->mac_override = !!(arg1 & BIT_7); 1414 esw_cfg->vlan_id = LSW(arg1 >> 16); 1415 esw_cfg->mac_anti_spoof = (arg2 & 0x1); 1416 esw_cfg->offload_flags = ((arg2 >> 1) & 0x7); 1417 1418 return 0; 1419 } 1420