drivers/net/qlcnic/qlcnic_ctx.c

   1 /*
   2  * QLogic qlcnic NIC Driver
   3  * Copyright (c)  2009-2010 QLogic Corporation
   4  *
   5  * See LICENSE.qlcnic for copyright and licensing details.
   6  */
   7
   8 #include "qlcnic.h"
   9
  10 static u32
  11 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
  12 {
  13         u32 rsp;
  14         int timeout = 0;
  15
  16         do {
  17                 /* give atleast 1ms for firmware to respond */
  18                 msleep(1);
  19
  20                 if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
  21                         return QLCNIC_CDRP_RSP_TIMEOUT;
  22
  23                 rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET);
  24         } while (!QLCNIC_CDRP_IS_RSP(rsp));
  25
  26         return rsp;
  27 }
  28
  29 u32
  30 qlcnic_issue_cmd(struct qlcnic_adapter *adapter,
  31         u32 pci_fn, u32 version, u32 arg1, u32 arg2, u32 arg3, u32 cmd)
  32 {
  33         u32 rsp;
  34         u32 signature;
  35         u32 rcode = QLCNIC_RCODE_SUCCESS;
  36         struct pci_dev *pdev = adapter->pdev;
  37
  38         signature = QLCNIC_CDRP_SIGNATURE_MAKE(pci_fn, version);
  39
  40         /* Acquire semaphore before accessing CRB */
  41         if (qlcnic_api_lock(adapter))
  42                 return QLCNIC_RCODE_TIMEOUT;
  43
  44         QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
  45         QLCWR32(adapter, QLCNIC_ARG1_CRB_OFFSET, arg1);
  46         QLCWR32(adapter, QLCNIC_ARG2_CRB_OFFSET, arg2);
  47         QLCWR32(adapter, QLCNIC_ARG3_CRB_OFFSET, arg3);
  48         QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET, QLCNIC_CDRP_FORM_CMD(cmd));
  49
  50         rsp = qlcnic_poll_rsp(adapter);
  51
  52         if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
  53                 dev_err(&pdev->dev, "card response timeout.\n");
  54                 rcode = QLCNIC_RCODE_TIMEOUT;
  55         } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
  56                 rcode = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
  57                 dev_err(&pdev->dev, "failed card response code:0x%x\n",
  58                                 rcode);
  59         }
  60
  61         /* Release semaphore */
  62         qlcnic_api_unlock(adapter);
  63
  64         return rcode;
  65 }
  66
  67 static uint32_t qlcnic_temp_checksum(uint32_t *temp_buffer, u16 temp_size)
  68 {
  69         uint64_t sum = 0;
  70         int count = temp_size / sizeof(uint32_t);
  71         while (count-- > 0)
  72                 sum += *temp_buffer++;
  73         while (sum >> 32)
  74                 sum = (sum & 0xFFFFFFFF) + (sum >> 32);
  75         return ~sum;
  76 }
  77
  78 int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter)
  79 {
  80         int err, i;
  81         u16 temp_size;
  82         void *tmp_addr;
  83         u32 version, csum, *template, *tmp_buf;
  84         struct qlcnic_hardware_context *ahw;
  85         struct qlcnic_dump_template_hdr *tmpl_hdr, *tmp_tmpl;
  86         dma_addr_t tmp_addr_t = 0;
  87
  88         ahw = adapter->ahw;
  89         err = qlcnic_issue_cmd(adapter,
  90                         adapter->ahw->pci_func,
  91                         adapter->fw_hal_version,
  92                         0,
  93                         0,
  94                         0,
  95                         QLCNIC_CDRP_CMD_TEMP_SIZE);
  96         if (err != QLCNIC_RCODE_SUCCESS) {
  97                 err = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
  98                 dev_info(&adapter->pdev->dev,
  99                         "Can't get template size %d\n", err);
 100                 err = -EIO;
 101                 return err;
 102         }
 103         version = QLCRD32(adapter, QLCNIC_ARG3_CRB_OFFSET);
 104         temp_size = QLCRD32(adapter, QLCNIC_ARG2_CRB_OFFSET);
 105         if (!temp_size)
 106                 return -EIO;
 107
 108         tmp_addr = dma_alloc_coherent(&adapter->pdev->dev, temp_size,
 109                         &tmp_addr_t, GFP_KERNEL);
 110         if (!tmp_addr) {
 111                 dev_err(&adapter->pdev->dev,
 112                         "Can't get memory for FW dump template\n");
 113                 return -ENOMEM;
 114         }
 115         err = qlcnic_issue_cmd(adapter,
 116                 adapter->ahw->pci_func,
 117                 adapter->fw_hal_version,
 118                 LSD(tmp_addr_t),
 119                 MSD(tmp_addr_t),
 120                 temp_size,
 121                 QLCNIC_CDRP_CMD_GET_TEMP_HDR);
 122
 123         if (err != QLCNIC_RCODE_SUCCESS) {
 124                 dev_err(&adapter->pdev->dev,
 125                         "Failed to get mini dump template header %d\n", err);
 126                 err = -EIO;
 127                 goto error;
 128         }
 129         tmp_tmpl = tmp_addr;
 130         csum = qlcnic_temp_checksum((uint32_t *) tmp_addr, temp_size);
 131         if (csum) {
 132                 dev_err(&adapter->pdev->dev,
 133                         "Template header checksum validation failed\n");
 134                 err = -EIO;
 135                 goto error;
 136         }
 137         ahw->fw_dump.tmpl_hdr = vzalloc(temp_size);
 138         if (!ahw->fw_dump.tmpl_hdr) {
 139                 err = -EIO;
 140                 goto error;
 141         }
 142         tmp_buf = tmp_addr;
 143         template = (u32 *) ahw->fw_dump.tmpl_hdr;
 144         for (i = 0; i < temp_size/sizeof(u32); i++)
 145                 *template++ = __le32_to_cpu(*tmp_buf++);
 146
 147         tmpl_hdr = ahw->fw_dump.tmpl_hdr;
 148         tmpl_hdr->drv_cap_mask = QLCNIC_DUMP_MASK_DEF;
 149         ahw->fw_dump.enable = 1;
 150 error:
 151         dma_free_coherent(&adapter->pdev->dev, temp_size, tmp_addr, tmp_addr_t);
 152         return err;
 153 }
 154
 155 int
 156 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
 157 {
 158         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 159
 160         if (recv_ctx->state == QLCNIC_HOST_CTX_STATE_ACTIVE) {
 161                 if (qlcnic_issue_cmd(adapter,
 162                         adapter->ahw->pci_func,
 163                         adapter->fw_hal_version,
 164                         recv_ctx->context_id,
 165                         mtu,
 166                         0,
 167                         QLCNIC_CDRP_CMD_SET_MTU)) {
 168
 169                         dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
 170                         return -EIO;
 171                 }
 172         }
 173
 174         return 0;
 175 }
 176
 177 static int
 178 qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 179 {
 180         void *addr;
 181         struct qlcnic_hostrq_rx_ctx *prq;
 182         struct qlcnic_cardrsp_rx_ctx *prsp;
 183         struct qlcnic_hostrq_rds_ring *prq_rds;
 184         struct qlcnic_hostrq_sds_ring *prq_sds;
 185         struct qlcnic_cardrsp_rds_ring *prsp_rds;
 186         struct qlcnic_cardrsp_sds_ring *prsp_sds;
 187         struct qlcnic_host_rds_ring *rds_ring;
 188         struct qlcnic_host_sds_ring *sds_ring;
 189
 190         dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
 191         u64 phys_addr;
 192
 193         u8 i, nrds_rings, nsds_rings;
 194         size_t rq_size, rsp_size;
 195         u32 cap, reg, val, reg2;
 196         int err;
 197
 198         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 199
 200         nrds_rings = adapter->max_rds_rings;
 201         nsds_rings = adapter->max_sds_rings;
 202
 203         rq_size =
 204                 SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
 205                                                 nsds_rings);
 206         rsp_size =
 207                 SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
 208                                                 nsds_rings);
 209
 210         addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 211                         &hostrq_phys_addr, GFP_KERNEL);
 212         if (addr == NULL)
 213                 return -ENOMEM;
 214         prq = addr;
 215
 216         addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 217                         &cardrsp_phys_addr, GFP_KERNEL);
 218         if (addr == NULL) {
 219                 err = -ENOMEM;
 220                 goto out_free_rq;
 221         }
 222         prsp = addr;
 223
 224         prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
 225
 226         cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
 227                                                 | QLCNIC_CAP0_VALIDOFF);
 228         cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
 229
 230         prq->valid_field_offset = offsetof(struct qlcnic_hostrq_rx_ctx,
 231                                                          msix_handler);
 232         prq->txrx_sds_binding = nsds_rings - 1;
 233
 234         prq->capabilities[0] = cpu_to_le32(cap);
 235         prq->host_int_crb_mode =
 236                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 237         prq->host_rds_crb_mode =
 238                 cpu_to_le32(QLCNIC_HOST_RDS_CRB_MODE_UNIQUE);
 239
 240         prq->num_rds_rings = cpu_to_le16(nrds_rings);
 241         prq->num_sds_rings = cpu_to_le16(nsds_rings);
 242         prq->rds_ring_offset = 0;
 243
 244         val = le32_to_cpu(prq->rds_ring_offset) +
 245                 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
 246         prq->sds_ring_offset = cpu_to_le32(val);
 247
 248         prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
 249                         le32_to_cpu(prq->rds_ring_offset));
 250
 251         for (i = 0; i < nrds_rings; i++) {
 252
 253                 rds_ring = &recv_ctx->rds_rings[i];
 254                 rds_ring->producer = 0;
 255
 256                 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
 257                 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
 258                 prq_rds[i].ring_kind = cpu_to_le32(i);
 259                 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
 260         }
 261
 262         prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
 263                         le32_to_cpu(prq->sds_ring_offset));
 264
 265         for (i = 0; i < nsds_rings; i++) {
 266
 267                 sds_ring = &recv_ctx->sds_rings[i];
 268                 sds_ring->consumer = 0;
 269                 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
 270
 271                 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
 272                 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
 273                 prq_sds[i].msi_index = cpu_to_le16(i);
 274         }
 275
 276         phys_addr = hostrq_phys_addr;
 277         err = qlcnic_issue_cmd(adapter,
 278                         adapter->ahw->pci_func,
 279                         adapter->fw_hal_version,
 280                         (u32)(phys_addr >> 32),
 281                         (u32)(phys_addr & 0xffffffff),
 282                         rq_size,
 283                         QLCNIC_CDRP_CMD_CREATE_RX_CTX);
 284         if (err) {
 285                 dev_err(&adapter->pdev->dev,
 286                         "Failed to create rx ctx in firmware%d\n", err);
 287                 goto out_free_rsp;
 288         }
 289
 290
 291         prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
 292                          &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
 293
 294         for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
 295                 rds_ring = &recv_ctx->rds_rings[i];
 296
 297                 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
 298                 rds_ring->crb_rcv_producer = adapter->ahw->pci_base0 + reg;
 299         }
 300
 301         prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
 302                         &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
 303
 304         for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
 305                 sds_ring = &recv_ctx->sds_rings[i];
 306
 307                 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
 308                 reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
 309
 310                 sds_ring->crb_sts_consumer = adapter->ahw->pci_base0 + reg;
 311                 sds_ring->crb_intr_mask = adapter->ahw->pci_base0 + reg2;
 312         }
 313
 314         recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
 315         recv_ctx->context_id = le16_to_cpu(prsp->context_id);
 316         recv_ctx->virt_port = prsp->virt_port;
 317
 318 out_free_rsp:
 319         dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
 320                 cardrsp_phys_addr);
 321 out_free_rq:
 322         dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
 323         return err;
 324 }
 325
 326 static void
 327 qlcnic_fw_cmd_destroy_rx_ctx(struct qlcnic_adapter *adapter)
 328 {
 329         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 330
 331         if (qlcnic_issue_cmd(adapter,
 332                         adapter->ahw->pci_func,
 333                         adapter->fw_hal_version,
 334                         recv_ctx->context_id,
 335                         QLCNIC_DESTROY_CTX_RESET,
 336                         0,
 337                         QLCNIC_CDRP_CMD_DESTROY_RX_CTX)) {
 338
 339                 dev_err(&adapter->pdev->dev,
 340                         "Failed to destroy rx ctx in firmware\n");
 341         }
 342
 343         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 344 }
 345
 346 static int
 347 qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter)
 348 {
 349         struct qlcnic_hostrq_tx_ctx     *prq;
 350         struct qlcnic_hostrq_cds_ring   *prq_cds;
 351         struct qlcnic_cardrsp_tx_ctx    *prsp;
 352         void    *rq_addr, *rsp_addr;
 353         size_t  rq_size, rsp_size;
 354         u32     temp;
 355         int     err;
 356         u64     phys_addr;
 357         dma_addr_t      rq_phys_addr, rsp_phys_addr;
 358         struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
 359
 360         /* reset host resources */
 361         tx_ring->producer = 0;
 362         tx_ring->sw_consumer = 0;
 363         *(tx_ring->hw_consumer) = 0;
 364
 365         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
 366         rq_addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 367                         &rq_phys_addr, GFP_KERNEL);
 368         if (!rq_addr)
 369                 return -ENOMEM;
 370
 371         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
 372         rsp_addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 373                         &rsp_phys_addr, GFP_KERNEL);
 374         if (!rsp_addr) {
 375                 err = -ENOMEM;
 376                 goto out_free_rq;
 377         }
 378
 379         memset(rq_addr, 0, rq_size);
 380         prq = rq_addr;
 381
 382         memset(rsp_addr, 0, rsp_size);
 383         prsp = rsp_addr;
 384
 385         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 386
 387         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 388                                         QLCNIC_CAP0_LSO);
 389         prq->capabilities[0] = cpu_to_le32(temp);
 390
 391         prq->host_int_crb_mode =
 392                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 393
 394         prq->interrupt_ctl = 0;
 395         prq->msi_index = 0;
 396         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 397
 398         prq_cds = &prq->cds_ring;
 399
 400         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 401         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 402
 403         phys_addr = rq_phys_addr;
 404         err = qlcnic_issue_cmd(adapter,
 405                         adapter->ahw->pci_func,
 406                         adapter->fw_hal_version,
 407                         (u32)(phys_addr >> 32),
 408                         ((u32)phys_addr & 0xffffffff),
 409                         rq_size,
 410                         QLCNIC_CDRP_CMD_CREATE_TX_CTX);
 411
 412         if (err == QLCNIC_RCODE_SUCCESS) {
 413                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 414                 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
 415
 416                 adapter->tx_context_id =
 417                         le16_to_cpu(prsp->context_id);
 418         } else {
 419                 dev_err(&adapter->pdev->dev,
 420                         "Failed to create tx ctx in firmware%d\n", err);
 421                 err = -EIO;
 422         }
 423
 424         dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
 425                 rsp_phys_addr);
 426
 427 out_free_rq:
 428         dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
 429
 430         return err;
 431 }
 432
 433 static void
 434 qlcnic_fw_cmd_destroy_tx_ctx(struct qlcnic_adapter *adapter)
 435 {
 436         if (qlcnic_issue_cmd(adapter,
 437                         adapter->ahw->pci_func,
 438                         adapter->fw_hal_version,
 439                         adapter->tx_context_id,
 440                         QLCNIC_DESTROY_CTX_RESET,
 441                         0,
 442                         QLCNIC_CDRP_CMD_DESTROY_TX_CTX)) {
 443
 444                 dev_err(&adapter->pdev->dev,
 445                         "Failed to destroy tx ctx in firmware\n");
 446         }
 447 }
 448
 449 int
 450 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
 451 {
 452         return qlcnic_issue_cmd(adapter,
 453                         adapter->ahw->pci_func,
 454                         adapter->fw_hal_version,
 455                         config,
 456                         0,
 457                         0,
 458                         QLCNIC_CDRP_CMD_CONFIG_PORT);
 459 }
 460
 461 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 462 {
 463         void *addr;
 464         int err;
 465         int ring;
 466         struct qlcnic_recv_context *recv_ctx;
 467         struct qlcnic_host_rds_ring *rds_ring;
 468         struct qlcnic_host_sds_ring *sds_ring;
 469         struct qlcnic_host_tx_ring *tx_ring;
 470
 471         struct pci_dev *pdev = adapter->pdev;
 472
 473         recv_ctx = adapter->recv_ctx;
 474         tx_ring = adapter->tx_ring;
 475
 476         tx_ring->hw_consumer = (__le32 *) dma_alloc_coherent(&pdev->dev,
 477                 sizeof(u32), &tx_ring->hw_cons_phys_addr, GFP_KERNEL);
 478         if (tx_ring->hw_consumer == NULL) {
 479                 dev_err(&pdev->dev, "failed to allocate tx consumer\n");
 480                 return -ENOMEM;
 481         }
 482
 483         /* cmd desc ring */
 484         addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
 485                         &tx_ring->phys_addr, GFP_KERNEL);
 486
 487         if (addr == NULL) {
 488                 dev_err(&pdev->dev, "failed to allocate tx desc ring\n");
 489                 err = -ENOMEM;
 490                 goto err_out_free;
 491         }
 492
 493         tx_ring->desc_head = addr;
 494
 495         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 496                 rds_ring = &recv_ctx->rds_rings[ring];
 497                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 498                                 RCV_DESC_RINGSIZE(rds_ring),
 499                                 &rds_ring->phys_addr, GFP_KERNEL);
 500                 if (addr == NULL) {
 501                         dev_err(&pdev->dev,
 502                                 "failed to allocate rds ring [%d]\n", ring);
 503                         err = -ENOMEM;
 504                         goto err_out_free;
 505                 }
 506                 rds_ring->desc_head = addr;
 507
 508         }
 509
 510         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 511                 sds_ring = &recv_ctx->sds_rings[ring];
 512
 513                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 514                                 STATUS_DESC_RINGSIZE(sds_ring),
 515                                 &sds_ring->phys_addr, GFP_KERNEL);
 516                 if (addr == NULL) {
 517                         dev_err(&pdev->dev,
 518                                 "failed to allocate sds ring [%d]\n", ring);
 519                         err = -ENOMEM;
 520                         goto err_out_free;
 521                 }
 522                 sds_ring->desc_head = addr;
 523         }
 524
 525         return 0;
 526
 527 err_out_free:
 528         qlcnic_free_hw_resources(adapter);
 529         return err;
 530 }
 531
 532
 533 int qlcnic_fw_create_ctx(struct qlcnic_adapter *adapter)
 534 {
 535         int err;
 536
 537         if (adapter->flags & QLCNIC_NEED_FLR) {
 538                 pci_reset_function(adapter->pdev);
 539                 adapter->flags &= ~QLCNIC_NEED_FLR;
 540         }
 541
 542         err = qlcnic_fw_cmd_create_rx_ctx(adapter);
 543         if (err)
 544                 return err;
 545
 546         err = qlcnic_fw_cmd_create_tx_ctx(adapter);
 547         if (err) {
 548                 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
 549                 return err;
 550         }
 551
 552         set_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
 553         return 0;
 554 }
 555
 556 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 557 {
 558         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 559                 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
 560                 qlcnic_fw_cmd_destroy_tx_ctx(adapter);
 561
 562                 /* Allow dma queues to drain after context reset */
 563                 msleep(20);
 564         }
 565 }
 566
 567 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 568 {
 569         struct qlcnic_recv_context *recv_ctx;
 570         struct qlcnic_host_rds_ring *rds_ring;
 571         struct qlcnic_host_sds_ring *sds_ring;
 572         struct qlcnic_host_tx_ring *tx_ring;
 573         int ring;
 574
 575         recv_ctx = adapter->recv_ctx;
 576
 577         tx_ring = adapter->tx_ring;
 578         if (tx_ring->hw_consumer != NULL) {
 579                 dma_free_coherent(&adapter->pdev->dev,
 580                                 sizeof(u32),
 581                                 tx_ring->hw_consumer,
 582                                 tx_ring->hw_cons_phys_addr);
 583                 tx_ring->hw_consumer = NULL;
 584         }
 585
 586         if (tx_ring->desc_head != NULL) {
 587                 dma_free_coherent(&adapter->pdev->dev,
 588                                 TX_DESC_RINGSIZE(tx_ring),
 589                                 tx_ring->desc_head, tx_ring->phys_addr);
 590                 tx_ring->desc_head = NULL;
 591         }
 592
 593         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 594                 rds_ring = &recv_ctx->rds_rings[ring];
 595
 596                 if (rds_ring->desc_head != NULL) {
 597                         dma_free_coherent(&adapter->pdev->dev,
 598                                         RCV_DESC_RINGSIZE(rds_ring),
 599                                         rds_ring->desc_head,
 600                                         rds_ring->phys_addr);
 601                         rds_ring->desc_head = NULL;
 602                 }
 603         }
 604
 605         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 606                 sds_ring = &recv_ctx->sds_rings[ring];
 607
 608                 if (sds_ring->desc_head != NULL) {
 609                         dma_free_coherent(&adapter->pdev->dev,
 610                                 STATUS_DESC_RINGSIZE(sds_ring),
 611                                 sds_ring->desc_head,
 612                                 sds_ring->phys_addr);
 613                         sds_ring->desc_head = NULL;
 614                 }
 615         }
 616 }
 617
 618
 619 /* Get MAC address of a NIC partition */
 620 int qlcnic_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
 621 {
 622         int err;
 623         u32 arg1;
 624
 625         arg1 = adapter->ahw->pci_func | BIT_8;
 626         err = qlcnic_issue_cmd(adapter,
 627                         adapter->ahw->pci_func,
 628                         adapter->fw_hal_version,
 629                         arg1,
 630                         0,
 631                         0,
 632                         QLCNIC_CDRP_CMD_MAC_ADDRESS);
 633
 634         if (err == QLCNIC_RCODE_SUCCESS)
 635                 qlcnic_fetch_mac(adapter, QLCNIC_ARG1_CRB_OFFSET,
 636                                 QLCNIC_ARG2_CRB_OFFSET, 0, mac);
 637         else {
 638                 dev_err(&adapter->pdev->dev,
 639                         "Failed to get mac address%d\n", err);
 640                 err = -EIO;
 641         }
 642
 643         return err;
 644 }
 645
 646 /* Get info of a NIC partition */
 647 int qlcnic_get_nic_info(struct qlcnic_adapter *adapter,
 648                                 struct qlcnic_info *npar_info, u8 func_id)
 649 {
 650         int     err;
 651         dma_addr_t nic_dma_t;
 652         struct qlcnic_info *nic_info;
 653         void *nic_info_addr;
 654         size_t  nic_size = sizeof(struct qlcnic_info);
 655
 656         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 657                                 &nic_dma_t, GFP_KERNEL);
 658         if (!nic_info_addr)
 659                 return -ENOMEM;
 660         memset(nic_info_addr, 0, nic_size);
 661
 662         nic_info = nic_info_addr;
 663         err = qlcnic_issue_cmd(adapter,
 664                         adapter->ahw->pci_func,
 665                         adapter->fw_hal_version,
 666                         MSD(nic_dma_t),
 667                         LSD(nic_dma_t),
 668                         (func_id << 16 | nic_size),
 669                         QLCNIC_CDRP_CMD_GET_NIC_INFO);
 670
 671         if (err == QLCNIC_RCODE_SUCCESS) {
 672                 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
 673                 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
 674                 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
 675                 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
 676                 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 677                 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 678                 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 679                 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 680                 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
 681                 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 682
 683                 dev_info(&adapter->pdev->dev,
 684                         "phy port: %d switch_mode: %d,\n"
 685                         "\tmax_tx_q: %d max_rx_q: %d min_tx_bw: 0x%x,\n"
 686                         "\tmax_tx_bw: 0x%x max_mtu:0x%x, capabilities: 0x%x\n",
 687                         npar_info->phys_port, npar_info->switch_mode,
 688                         npar_info->max_tx_ques, npar_info->max_rx_ques,
 689                         npar_info->min_tx_bw, npar_info->max_tx_bw,
 690                         npar_info->max_mtu, npar_info->capabilities);
 691         } else {
 692                 dev_err(&adapter->pdev->dev,
 693                         "Failed to get nic info%d\n", err);
 694                 err = -EIO;
 695         }
 696
 697         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 698                 nic_dma_t);
 699         return err;
 700 }
 701
 702 /* Configure a NIC partition */
 703 int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
 704 {
 705         int err = -EIO;
 706         dma_addr_t nic_dma_t;
 707         void *nic_info_addr;
 708         struct qlcnic_info *nic_info;
 709         size_t nic_size = sizeof(struct qlcnic_info);
 710
 711         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 712                 return err;
 713
 714         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 715                         &nic_dma_t, GFP_KERNEL);
 716         if (!nic_info_addr)
 717                 return -ENOMEM;
 718
 719         memset(nic_info_addr, 0, nic_size);
 720         nic_info = nic_info_addr;
 721
 722         nic_info->pci_func = cpu_to_le16(nic->pci_func);
 723         nic_info->op_mode = cpu_to_le16(nic->op_mode);
 724         nic_info->phys_port = cpu_to_le16(nic->phys_port);
 725         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 726         nic_info->capabilities = cpu_to_le32(nic->capabilities);
 727         nic_info->max_mac_filters = nic->max_mac_filters;
 728         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 729         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 730         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 731         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 732
 733         err = qlcnic_issue_cmd(adapter,
 734                         adapter->ahw->pci_func,
 735                         adapter->fw_hal_version,
 736                         MSD(nic_dma_t),
 737                         LSD(nic_dma_t),
 738                         ((nic->pci_func << 16) | nic_size),
 739                         QLCNIC_CDRP_CMD_SET_NIC_INFO);
 740
 741         if (err != QLCNIC_RCODE_SUCCESS) {
 742                 dev_err(&adapter->pdev->dev,
 743                         "Failed to set nic info%d\n", err);
 744                 err = -EIO;
 745         }
 746
 747         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 748                 nic_dma_t);
 749         return err;
 750 }
 751
 752 /* Get PCI Info of a partition */
 753 int qlcnic_get_pci_info(struct qlcnic_adapter *adapter,
 754                                 struct qlcnic_pci_info *pci_info)
 755 {
 756         int err = 0, i;
 757         dma_addr_t pci_info_dma_t;
 758         struct qlcnic_pci_info *npar;
 759         void *pci_info_addr;
 760         size_t npar_size = sizeof(struct qlcnic_pci_info);
 761         size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
 762
 763         pci_info_addr = dma_alloc_coherent(&adapter->pdev->dev, pci_size,
 764                         &pci_info_dma_t, GFP_KERNEL);
 765         if (!pci_info_addr)
 766                 return -ENOMEM;
 767         memset(pci_info_addr, 0, pci_size);
 768
 769         npar = pci_info_addr;
 770         err = qlcnic_issue_cmd(adapter,
 771                         adapter->ahw->pci_func,
 772                         adapter->fw_hal_version,
 773                         MSD(pci_info_dma_t),
 774                         LSD(pci_info_dma_t),
 775                         pci_size,
 776                         QLCNIC_CDRP_CMD_GET_PCI_INFO);
 777
 778         if (err == QLCNIC_RCODE_SUCCESS) {
 779                 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) {
 780                         pci_info->id = le16_to_cpu(npar->id);
 781                         pci_info->active = le16_to_cpu(npar->active);
 782                         pci_info->type = le16_to_cpu(npar->type);
 783                         pci_info->default_port =
 784                                 le16_to_cpu(npar->default_port);
 785                         pci_info->tx_min_bw =
 786                                 le16_to_cpu(npar->tx_min_bw);
 787                         pci_info->tx_max_bw =
 788                                 le16_to_cpu(npar->tx_max_bw);
 789                         memcpy(pci_info->mac, npar->mac, ETH_ALEN);
 790                 }
 791         } else {
 792                 dev_err(&adapter->pdev->dev,
 793                         "Failed to get PCI Info%d\n", err);
 794                 err = -EIO;
 795         }
 796
 797         dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
 798                 pci_info_dma_t);
 799         return err;
 800 }
 801
 802 /* Configure eSwitch for port mirroring */
 803 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
 804                                 u8 enable_mirroring, u8 pci_func)
 805 {
 806         int err = -EIO;
 807         u32 arg1;
 808
 809         if (adapter->op_mode != QLCNIC_MGMT_FUNC ||
 810                 !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
 811                 return err;
 812
 813         arg1 = id | (enable_mirroring ? BIT_4 : 0);
 814         arg1 |= pci_func << 8;
 815
 816         err = qlcnic_issue_cmd(adapter,
 817                         adapter->ahw->pci_func,
 818                         adapter->fw_hal_version,
 819                         arg1,
 820                         0,
 821                         0,
 822                         QLCNIC_CDRP_CMD_SET_PORTMIRRORING);
 823
 824         if (err != QLCNIC_RCODE_SUCCESS) {
 825                 dev_err(&adapter->pdev->dev,
 826                         "Failed to configure port mirroring%d on eswitch:%d\n",
 827                         pci_func, id);
 828         } else {
 829                 dev_info(&adapter->pdev->dev,
 830                         "Configured eSwitch %d for port mirroring:%d\n",
 831                         id, pci_func);
 832         }
 833
 834         return err;
 835 }
 836
 837 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
 838                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
 839
 840         size_t stats_size = sizeof(struct __qlcnic_esw_statistics);
 841         struct __qlcnic_esw_statistics *stats;
 842         dma_addr_t stats_dma_t;
 843         void *stats_addr;
 844         u32 arg1;
 845         int err;
 846
 847         if (esw_stats == NULL)
 848                 return -ENOMEM;
 849
 850         if (adapter->op_mode != QLCNIC_MGMT_FUNC &&
 851             func != adapter->ahw->pci_func) {
 852                 dev_err(&adapter->pdev->dev,
 853                         "Not privilege to query stats for func=%d", func);
 854                 return -EIO;
 855         }
 856
 857         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
 858                         &stats_dma_t, GFP_KERNEL);
 859         if (!stats_addr) {
 860                 dev_err(&adapter->pdev->dev, "Unable to allocate memory\n");
 861                 return -ENOMEM;
 862         }
 863         memset(stats_addr, 0, stats_size);
 864
 865         arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
 866         arg1 |= rx_tx << 15 | stats_size << 16;
 867
 868         err = qlcnic_issue_cmd(adapter,
 869                         adapter->ahw->pci_func,
 870                         adapter->fw_hal_version,
 871                         arg1,
 872                         MSD(stats_dma_t),
 873                         LSD(stats_dma_t),
 874                         QLCNIC_CDRP_CMD_GET_ESWITCH_STATS);
 875
 876         if (!err) {
 877                 stats = stats_addr;
 878                 esw_stats->context_id = le16_to_cpu(stats->context_id);
 879                 esw_stats->version = le16_to_cpu(stats->version);
 880                 esw_stats->size = le16_to_cpu(stats->size);
 881                 esw_stats->multicast_frames =
 882                                 le64_to_cpu(stats->multicast_frames);
 883                 esw_stats->broadcast_frames =
 884                                 le64_to_cpu(stats->broadcast_frames);
 885                 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
 886                 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
 887                 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
 888                 esw_stats->errors = le64_to_cpu(stats->errors);
 889                 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
 890         }
 891
 892         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
 893                 stats_dma_t);
 894         return err;
 895 }
 896
 897 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
 898                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
 899
 900         struct __qlcnic_esw_statistics port_stats;
 901         u8 i;
 902         int ret = -EIO;
 903
 904         if (esw_stats == NULL)
 905                 return -ENOMEM;
 906         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 907                 return -EIO;
 908         if (adapter->npars == NULL)
 909                 return -EIO;
 910
 911         memset(esw_stats, 0, sizeof(u64));
 912         esw_stats->unicast_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
 913         esw_stats->multicast_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
 914         esw_stats->broadcast_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
 915         esw_stats->dropped_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
 916         esw_stats->errors = QLCNIC_ESW_STATS_NOT_AVAIL;
 917         esw_stats->local_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
 918         esw_stats->numbytes = QLCNIC_ESW_STATS_NOT_AVAIL;
 919         esw_stats->context_id = eswitch;
 920
 921         for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
 922                 if (adapter->npars[i].phy_port != eswitch)
 923                         continue;
 924
 925                 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
 926                 if (qlcnic_get_port_stats(adapter, i, rx_tx, &port_stats))
 927                         continue;
 928
 929                 esw_stats->size = port_stats.size;
 930                 esw_stats->version = port_stats.version;
 931                 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
 932                                                 port_stats.unicast_frames);
 933                 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
 934                                                 port_stats.multicast_frames);
 935                 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
 936                                                 port_stats.broadcast_frames);
 937                 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
 938                                                 port_stats.dropped_frames);
 939                 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
 940                                                 port_stats.errors);
 941                 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
 942                                                 port_stats.local_frames);
 943                 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
 944                                                 port_stats.numbytes);
 945                 ret = 0;
 946         }
 947         return ret;
 948 }
 949
 950 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
 951                 const u8 port, const u8 rx_tx)
 952 {
 953
 954         u32 arg1;
 955
 956         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 957                 return -EIO;
 958
 959         if (func_esw == QLCNIC_STATS_PORT) {
 960                 if (port >= QLCNIC_MAX_PCI_FUNC)
 961                         goto err_ret;
 962         } else if (func_esw == QLCNIC_STATS_ESWITCH) {
 963                 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
 964                         goto err_ret;
 965         } else {
 966                 goto err_ret;
 967         }
 968
 969         if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
 970                 goto err_ret;
 971
 972         arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
 973         arg1 |= BIT_14 | rx_tx << 15;
 974
 975         return qlcnic_issue_cmd(adapter,
 976                         adapter->ahw->pci_func,
 977                         adapter->fw_hal_version,
 978                         arg1,
 979                         0,
 980                         0,
 981                         QLCNIC_CDRP_CMD_GET_ESWITCH_STATS);
 982
 983 err_ret:
 984         dev_err(&adapter->pdev->dev, "Invalid argument func_esw=%d port=%d"
 985                 "rx_ctx=%d\n", func_esw, port, rx_tx);
 986         return -EIO;
 987 }
 988
 989 static int
 990 __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
 991                                         u32 *arg1, u32 *arg2)
 992 {
 993         int err = -EIO;
 994         u8 pci_func;
 995         pci_func = (*arg1 >> 8);
 996         err = qlcnic_issue_cmd(adapter,
 997                         adapter->ahw->pci_func,
 998                         adapter->fw_hal_version,
 999                         *arg1,
1000                         0,
1001                         0,
1002                         QLCNIC_CDRP_CMD_GET_ESWITCH_PORT_CONFIG);
1003
1004         if (err == QLCNIC_RCODE_SUCCESS) {
1005                 *arg1 = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
1006                 *arg2 = QLCRD32(adapter, QLCNIC_ARG2_CRB_OFFSET);
1007                 dev_info(&adapter->pdev->dev,
1008                         "eSwitch port config for pci func %d\n", pci_func);
1009         } else {
1010                 dev_err(&adapter->pdev->dev,
1011                         "Failed to get eswitch port config for pci func %d\n",
1012                                                                 pci_func);
1013         }
1014         return err;
1015 }
1016 /* Configure eSwitch port
1017 op_mode = 0 for setting default port behavior
1018 op_mode = 1 for setting  vlan id
1019 op_mode = 2 for deleting vlan id
1020 op_type = 0 for vlan_id
1021 op_type = 1 for port vlan_id
1022 */
1023 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1024                 struct qlcnic_esw_func_cfg *esw_cfg)
1025 {
1026         int err = -EIO;
1027         u32 arg1, arg2 = 0;
1028         u8 pci_func;
1029
1030         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
1031                 return err;
1032         pci_func = esw_cfg->pci_func;
1033         arg1 = (adapter->npars[pci_func].phy_port & BIT_0);
1034         arg1 |= (pci_func << 8);
1035
1036         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1037                 return err;
1038         arg1 &= ~(0x0ff << 8);
1039         arg1 |= (pci_func << 8);
1040         arg1 &= ~(BIT_2 | BIT_3);
1041         switch (esw_cfg->op_mode) {
1042         case QLCNIC_PORT_DEFAULTS:
1043                 arg1 |= (BIT_4 | BIT_6 | BIT_7);
1044                 arg2 |= (BIT_0 | BIT_1);
1045                 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1046                         arg2 |= (BIT_2 | BIT_3);
1047                 if (!(esw_cfg->discard_tagged))
1048                         arg1 &= ~BIT_4;
1049                 if (!(esw_cfg->promisc_mode))
1050                         arg1 &= ~BIT_6;
1051                 if (!(esw_cfg->mac_override))
1052                         arg1 &= ~BIT_7;
1053                 if (!(esw_cfg->mac_anti_spoof))
1054                         arg2 &= ~BIT_0;
1055                 if (!(esw_cfg->offload_flags & BIT_0))
1056                         arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1057                 if (!(esw_cfg->offload_flags & BIT_1))
1058                         arg2 &= ~BIT_2;
1059                 if (!(esw_cfg->offload_flags & BIT_2))
1060                         arg2 &= ~BIT_3;
1061                 break;
1062         case QLCNIC_ADD_VLAN:
1063                         arg1 |= (BIT_2 | BIT_5);
1064                         arg1 |= (esw_cfg->vlan_id << 16);
1065                         break;
1066         case QLCNIC_DEL_VLAN:
1067                         arg1 |= (BIT_3 | BIT_5);
1068                         arg1 &= ~(0x0ffff << 16);
1069                         break;
1070         default:
1071                 return err;
1072         }
1073
1074         err = qlcnic_issue_cmd(adapter,
1075                         adapter->ahw->pci_func,
1076                         adapter->fw_hal_version,
1077                         arg1,
1078                         arg2,
1079                         0,
1080                         QLCNIC_CDRP_CMD_CONFIGURE_ESWITCH);
1081
1082         if (err != QLCNIC_RCODE_SUCCESS) {
1083                 dev_err(&adapter->pdev->dev,
1084                         "Failed to configure eswitch pci func %d\n", pci_func);
1085         } else {
1086                 dev_info(&adapter->pdev->dev,
1087                         "Configured eSwitch for pci func %d\n", pci_func);
1088         }
1089
1090         return err;
1091 }
1092
1093 int
1094 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1095                         struct qlcnic_esw_func_cfg *esw_cfg)
1096 {
1097         u32 arg1, arg2;
1098         u8 phy_port;
1099         if (adapter->op_mode == QLCNIC_MGMT_FUNC)
1100                 phy_port = adapter->npars[esw_cfg->pci_func].phy_port;
1101         else
1102                 phy_port = adapter->physical_port;
1103         arg1 = phy_port;
1104         arg1 |= (esw_cfg->pci_func << 8);
1105         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1106                 return -EIO;
1107
1108         esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1109         esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1110         esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1111         esw_cfg->mac_override = !!(arg1 & BIT_7);
1112         esw_cfg->vlan_id = LSW(arg1 >> 16);
1113         esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1114         esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1115
1116         return 0;
1117 }