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 int
  68 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
  69 {
  70         struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
  71
  72         if (recv_ctx->state == QLCNIC_HOST_CTX_STATE_ACTIVE) {
  73                 if (qlcnic_issue_cmd(adapter,
  74                         adapter->ahw.pci_func,
  75                         adapter->fw_hal_version,
  76                         recv_ctx->context_id,
  77                         mtu,
  78                         0,
  79                         QLCNIC_CDRP_CMD_SET_MTU)) {
  80
  81                         dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
  82                         return -EIO;
  83                 }
  84         }
  85
  86         return 0;
  87 }
  88
  89 static int
  90 qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
  91 {
  92         void *addr;
  93         struct qlcnic_hostrq_rx_ctx *prq;
  94         struct qlcnic_cardrsp_rx_ctx *prsp;
  95         struct qlcnic_hostrq_rds_ring *prq_rds;
  96         struct qlcnic_hostrq_sds_ring *prq_sds;
  97         struct qlcnic_cardrsp_rds_ring *prsp_rds;
  98         struct qlcnic_cardrsp_sds_ring *prsp_sds;
  99         struct qlcnic_host_rds_ring *rds_ring;
 100         struct qlcnic_host_sds_ring *sds_ring;
 101
 102         dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
 103         u64 phys_addr;
 104
 105         int i, nrds_rings, nsds_rings;
 106         size_t rq_size, rsp_size;
 107         u32 cap, reg, val, reg2;
 108         int err;
 109
 110         struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
 111
 112         nrds_rings = adapter->max_rds_rings;
 113         nsds_rings = adapter->max_sds_rings;
 114
 115         rq_size =
 116                 SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
 117                                                 nsds_rings);
 118         rsp_size =
 119                 SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
 120                                                 nsds_rings);
 121
 122         addr = pci_alloc_consistent(adapter->pdev,
 123                                 rq_size, &hostrq_phys_addr);
 124         if (addr == NULL)
 125                 return -ENOMEM;
 126         prq = (struct qlcnic_hostrq_rx_ctx *)addr;
 127
 128         addr = pci_alloc_consistent(adapter->pdev,
 129                         rsp_size, &cardrsp_phys_addr);
 130         if (addr == NULL) {
 131                 err = -ENOMEM;
 132                 goto out_free_rq;
 133         }
 134         prsp = (struct qlcnic_cardrsp_rx_ctx *)addr;
 135
 136         prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
 137
 138         cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
 139                                                 | QLCNIC_CAP0_VALIDOFF);
 140         cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
 141
 142         prq->valid_field_offset = offsetof(struct qlcnic_hostrq_rx_ctx,
 143                                                          msix_handler);
 144         prq->txrx_sds_binding = nsds_rings - 1;
 145
 146         prq->capabilities[0] = cpu_to_le32(cap);
 147         prq->host_int_crb_mode =
 148                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 149         prq->host_rds_crb_mode =
 150                 cpu_to_le32(QLCNIC_HOST_RDS_CRB_MODE_UNIQUE);
 151
 152         prq->num_rds_rings = cpu_to_le16(nrds_rings);
 153         prq->num_sds_rings = cpu_to_le16(nsds_rings);
 154         prq->rds_ring_offset = cpu_to_le32(0);
 155
 156         val = le32_to_cpu(prq->rds_ring_offset) +
 157                 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
 158         prq->sds_ring_offset = cpu_to_le32(val);
 159
 160         prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
 161                         le32_to_cpu(prq->rds_ring_offset));
 162
 163         for (i = 0; i < nrds_rings; i++) {
 164
 165                 rds_ring = &recv_ctx->rds_rings[i];
 166                 rds_ring->producer = 0;
 167
 168                 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
 169                 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
 170                 prq_rds[i].ring_kind = cpu_to_le32(i);
 171                 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
 172         }
 173
 174         prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
 175                         le32_to_cpu(prq->sds_ring_offset));
 176
 177         for (i = 0; i < nsds_rings; i++) {
 178
 179                 sds_ring = &recv_ctx->sds_rings[i];
 180                 sds_ring->consumer = 0;
 181                 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
 182
 183                 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
 184                 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
 185                 prq_sds[i].msi_index = cpu_to_le16(i);
 186         }
 187
 188         phys_addr = hostrq_phys_addr;
 189         err = qlcnic_issue_cmd(adapter,
 190                         adapter->ahw.pci_func,
 191                         adapter->fw_hal_version,
 192                         (u32)(phys_addr >> 32),
 193                         (u32)(phys_addr & 0xffffffff),
 194                         rq_size,
 195                         QLCNIC_CDRP_CMD_CREATE_RX_CTX);
 196         if (err) {
 197                 dev_err(&adapter->pdev->dev,
 198                         "Failed to create rx ctx in firmware%d\n", err);
 199                 goto out_free_rsp;
 200         }
 201
 202
 203         prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
 204                          &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
 205
 206         for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
 207                 rds_ring = &recv_ctx->rds_rings[i];
 208
 209                 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
 210                 rds_ring->crb_rcv_producer = adapter->ahw.pci_base0 + reg;
 211         }
 212
 213         prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
 214                         &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
 215
 216         for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
 217                 sds_ring = &recv_ctx->sds_rings[i];
 218
 219                 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
 220                 reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
 221
 222                 sds_ring->crb_sts_consumer = adapter->ahw.pci_base0 + reg;
 223                 sds_ring->crb_intr_mask = adapter->ahw.pci_base0 + reg2;
 224         }
 225
 226         recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
 227         recv_ctx->context_id = le16_to_cpu(prsp->context_id);
 228         recv_ctx->virt_port = prsp->virt_port;
 229
 230 out_free_rsp:
 231         pci_free_consistent(adapter->pdev, rsp_size, prsp, cardrsp_phys_addr);
 232 out_free_rq:
 233         pci_free_consistent(adapter->pdev, rq_size, prq, hostrq_phys_addr);
 234         return err;
 235 }
 236
 237 static void
 238 qlcnic_fw_cmd_destroy_rx_ctx(struct qlcnic_adapter *adapter)
 239 {
 240         struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
 241
 242         if (qlcnic_issue_cmd(adapter,
 243                         adapter->ahw.pci_func,
 244                         adapter->fw_hal_version,
 245                         recv_ctx->context_id,
 246                         QLCNIC_DESTROY_CTX_RESET,
 247                         0,
 248                         QLCNIC_CDRP_CMD_DESTROY_RX_CTX)) {
 249
 250                 dev_err(&adapter->pdev->dev,
 251                         "Failed to destroy rx ctx in firmware\n");
 252         }
 253
 254         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 255 }
 256
 257 static int
 258 qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter)
 259 {
 260         struct qlcnic_hostrq_tx_ctx     *prq;
 261         struct qlcnic_hostrq_cds_ring   *prq_cds;
 262         struct qlcnic_cardrsp_tx_ctx    *prsp;
 263         void    *rq_addr, *rsp_addr;
 264         size_t  rq_size, rsp_size;
 265         u32     temp;
 266         int     err;
 267         u64     phys_addr;
 268         dma_addr_t      rq_phys_addr, rsp_phys_addr;
 269         struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
 270
 271         /* reset host resources */
 272         tx_ring->producer = 0;
 273         tx_ring->sw_consumer = 0;
 274         *(tx_ring->hw_consumer) = 0;
 275
 276         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
 277         rq_addr = pci_alloc_consistent(adapter->pdev,
 278                 rq_size, &rq_phys_addr);
 279         if (!rq_addr)
 280                 return -ENOMEM;
 281
 282         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
 283         rsp_addr = pci_alloc_consistent(adapter->pdev,
 284                 rsp_size, &rsp_phys_addr);
 285         if (!rsp_addr) {
 286                 err = -ENOMEM;
 287                 goto out_free_rq;
 288         }
 289
 290         memset(rq_addr, 0, rq_size);
 291         prq = (struct qlcnic_hostrq_tx_ctx *)rq_addr;
 292
 293         memset(rsp_addr, 0, rsp_size);
 294         prsp = (struct qlcnic_cardrsp_tx_ctx *)rsp_addr;
 295
 296         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 297
 298         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 299                                         QLCNIC_CAP0_LSO);
 300         prq->capabilities[0] = cpu_to_le32(temp);
 301
 302         prq->host_int_crb_mode =
 303                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 304
 305         prq->interrupt_ctl = 0;
 306         prq->msi_index = 0;
 307         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 308
 309         prq_cds = &prq->cds_ring;
 310
 311         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 312         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 313
 314         phys_addr = rq_phys_addr;
 315         err = qlcnic_issue_cmd(adapter,
 316                         adapter->ahw.pci_func,
 317                         adapter->fw_hal_version,
 318                         (u32)(phys_addr >> 32),
 319                         ((u32)phys_addr & 0xffffffff),
 320                         rq_size,
 321                         QLCNIC_CDRP_CMD_CREATE_TX_CTX);
 322
 323         if (err == QLCNIC_RCODE_SUCCESS) {
 324                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 325                 tx_ring->crb_cmd_producer = adapter->ahw.pci_base0 + temp;
 326
 327                 adapter->tx_context_id =
 328                         le16_to_cpu(prsp->context_id);
 329         } else {
 330                 dev_err(&adapter->pdev->dev,
 331                         "Failed to create tx ctx in firmware%d\n", err);
 332                 err = -EIO;
 333         }
 334
 335         pci_free_consistent(adapter->pdev, rsp_size, rsp_addr, rsp_phys_addr);
 336
 337 out_free_rq:
 338         pci_free_consistent(adapter->pdev, rq_size, rq_addr, rq_phys_addr);
 339
 340         return err;
 341 }
 342
 343 static void
 344 qlcnic_fw_cmd_destroy_tx_ctx(struct qlcnic_adapter *adapter)
 345 {
 346         if (qlcnic_issue_cmd(adapter,
 347                         adapter->ahw.pci_func,
 348                         adapter->fw_hal_version,
 349                         adapter->tx_context_id,
 350                         QLCNIC_DESTROY_CTX_RESET,
 351                         0,
 352                         QLCNIC_CDRP_CMD_DESTROY_TX_CTX)) {
 353
 354                 dev_err(&adapter->pdev->dev,
 355                         "Failed to destroy tx ctx in firmware\n");
 356         }
 357 }
 358
 359 int
 360 qlcnic_fw_cmd_query_phy(struct qlcnic_adapter *adapter, u32 reg, u32 *val)
 361 {
 362
 363         if (qlcnic_issue_cmd(adapter,
 364                         adapter->ahw.pci_func,
 365                         adapter->fw_hal_version,
 366                         reg,
 367                         0,
 368                         0,
 369                         QLCNIC_CDRP_CMD_READ_PHY)) {
 370
 371                 return -EIO;
 372         }
 373
 374         return QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
 375 }
 376
 377 int
 378 qlcnic_fw_cmd_set_phy(struct qlcnic_adapter *adapter, u32 reg, u32 val)
 379 {
 380         return qlcnic_issue_cmd(adapter,
 381                         adapter->ahw.pci_func,
 382                         adapter->fw_hal_version,
 383                         reg,
 384                         val,
 385                         0,
 386                         QLCNIC_CDRP_CMD_WRITE_PHY);
 387 }
 388
 389 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 390 {
 391         void *addr;
 392         int err;
 393         int ring;
 394         struct qlcnic_recv_context *recv_ctx;
 395         struct qlcnic_host_rds_ring *rds_ring;
 396         struct qlcnic_host_sds_ring *sds_ring;
 397         struct qlcnic_host_tx_ring *tx_ring;
 398
 399         struct pci_dev *pdev = adapter->pdev;
 400
 401         recv_ctx = &adapter->recv_ctx;
 402         tx_ring = adapter->tx_ring;
 403
 404         tx_ring->hw_consumer = (__le32 *)pci_alloc_consistent(pdev, sizeof(u32),
 405                                                 &tx_ring->hw_cons_phys_addr);
 406         if (tx_ring->hw_consumer == NULL) {
 407                 dev_err(&pdev->dev, "failed to allocate tx consumer\n");
 408                 return -ENOMEM;
 409         }
 410         *(tx_ring->hw_consumer) = 0;
 411
 412         /* cmd desc ring */
 413         addr = pci_alloc_consistent(pdev, TX_DESC_RINGSIZE(tx_ring),
 414                         &tx_ring->phys_addr);
 415
 416         if (addr == NULL) {
 417                 dev_err(&pdev->dev, "failed to allocate tx desc ring\n");
 418                 err = -ENOMEM;
 419                 goto err_out_free;
 420         }
 421
 422         tx_ring->desc_head = (struct cmd_desc_type0 *)addr;
 423
 424         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 425                 rds_ring = &recv_ctx->rds_rings[ring];
 426                 addr = pci_alloc_consistent(adapter->pdev,
 427                                 RCV_DESC_RINGSIZE(rds_ring),
 428                                 &rds_ring->phys_addr);
 429                 if (addr == NULL) {
 430                         dev_err(&pdev->dev,
 431                                 "failed to allocate rds ring [%d]\n", ring);
 432                         err = -ENOMEM;
 433                         goto err_out_free;
 434                 }
 435                 rds_ring->desc_head = (struct rcv_desc *)addr;
 436
 437         }
 438
 439         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 440                 sds_ring = &recv_ctx->sds_rings[ring];
 441
 442                 addr = pci_alloc_consistent(adapter->pdev,
 443                                 STATUS_DESC_RINGSIZE(sds_ring),
 444                                 &sds_ring->phys_addr);
 445                 if (addr == NULL) {
 446                         dev_err(&pdev->dev,
 447                                 "failed to allocate sds ring [%d]\n", ring);
 448                         err = -ENOMEM;
 449                         goto err_out_free;
 450                 }
 451                 sds_ring->desc_head = (struct status_desc *)addr;
 452         }
 453
 454         return 0;
 455
 456 err_out_free:
 457         qlcnic_free_hw_resources(adapter);
 458         return err;
 459 }
 460
 461
 462 int qlcnic_fw_create_ctx(struct qlcnic_adapter *adapter)
 463 {
 464         int err;
 465
 466         if (adapter->flags & QLCNIC_NEED_FLR) {
 467                 pci_reset_function(adapter->pdev);
 468                 adapter->flags &= ~QLCNIC_NEED_FLR;
 469         }
 470
 471         err = qlcnic_fw_cmd_create_rx_ctx(adapter);
 472         if (err)
 473                 return err;
 474
 475         err = qlcnic_fw_cmd_create_tx_ctx(adapter);
 476         if (err) {
 477                 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
 478                 return err;
 479         }
 480
 481         set_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
 482         return 0;
 483 }
 484
 485 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 486 {
 487         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 488                 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
 489                 qlcnic_fw_cmd_destroy_tx_ctx(adapter);
 490
 491                 /* Allow dma queues to drain after context reset */
 492                 msleep(20);
 493         }
 494 }
 495
 496 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 497 {
 498         struct qlcnic_recv_context *recv_ctx;
 499         struct qlcnic_host_rds_ring *rds_ring;
 500         struct qlcnic_host_sds_ring *sds_ring;
 501         struct qlcnic_host_tx_ring *tx_ring;
 502         int ring;
 503
 504         recv_ctx = &adapter->recv_ctx;
 505
 506         tx_ring = adapter->tx_ring;
 507         if (tx_ring->hw_consumer != NULL) {
 508                 pci_free_consistent(adapter->pdev,
 509                                 sizeof(u32),
 510                                 tx_ring->hw_consumer,
 511                                 tx_ring->hw_cons_phys_addr);
 512                 tx_ring->hw_consumer = NULL;
 513         }
 514
 515         if (tx_ring->desc_head != NULL) {
 516                 pci_free_consistent(adapter->pdev,
 517                                 TX_DESC_RINGSIZE(tx_ring),
 518                                 tx_ring->desc_head, tx_ring->phys_addr);
 519                 tx_ring->desc_head = NULL;
 520         }
 521
 522         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 523                 rds_ring = &recv_ctx->rds_rings[ring];
 524
 525                 if (rds_ring->desc_head != NULL) {
 526                         pci_free_consistent(adapter->pdev,
 527                                         RCV_DESC_RINGSIZE(rds_ring),
 528                                         rds_ring->desc_head,
 529                                         rds_ring->phys_addr);
 530                         rds_ring->desc_head = NULL;
 531                 }
 532         }
 533
 534         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 535                 sds_ring = &recv_ctx->sds_rings[ring];
 536
 537                 if (sds_ring->desc_head != NULL) {
 538                         pci_free_consistent(adapter->pdev,
 539                                 STATUS_DESC_RINGSIZE(sds_ring),
 540                                 sds_ring->desc_head,
 541                                 sds_ring->phys_addr);
 542                         sds_ring->desc_head = NULL;
 543                 }
 544         }
 545 }
 546
 547
 548 /* Get MAC address of a NIC partition */
 549 int qlcnic_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
 550 {
 551         int err;
 552         u32 arg1;
 553
 554         arg1 = adapter->ahw.pci_func | BIT_8;
 555         err = qlcnic_issue_cmd(adapter,
 556                         adapter->ahw.pci_func,
 557                         adapter->fw_hal_version,
 558                         arg1,
 559                         0,
 560                         0,
 561                         QLCNIC_CDRP_CMD_MAC_ADDRESS);
 562
 563         if (err == QLCNIC_RCODE_SUCCESS)
 564                 qlcnic_fetch_mac(adapter, QLCNIC_ARG1_CRB_OFFSET,
 565                                 QLCNIC_ARG2_CRB_OFFSET, 0, mac);
 566         else {
 567                 dev_err(&adapter->pdev->dev,
 568                         "Failed to get mac address%d\n", err);
 569                 err = -EIO;
 570         }
 571
 572         return err;
 573 }
 574
 575 /* Get info of a NIC partition */
 576 int qlcnic_get_nic_info(struct qlcnic_adapter *adapter,
 577                                 struct qlcnic_info *npar_info, u8 func_id)
 578 {
 579         int     err;
 580         dma_addr_t nic_dma_t;
 581         struct qlcnic_info *nic_info;
 582         void *nic_info_addr;
 583         size_t  nic_size = sizeof(struct qlcnic_info);
 584
 585         nic_info_addr = pci_alloc_consistent(adapter->pdev,
 586                 nic_size, &nic_dma_t);
 587         if (!nic_info_addr)
 588                 return -ENOMEM;
 589         memset(nic_info_addr, 0, nic_size);
 590
 591         nic_info = (struct qlcnic_info *) nic_info_addr;
 592         err = qlcnic_issue_cmd(adapter,
 593                         adapter->ahw.pci_func,
 594                         adapter->fw_hal_version,
 595                         MSD(nic_dma_t),
 596                         LSD(nic_dma_t),
 597                         (func_id << 16 | nic_size),
 598                         QLCNIC_CDRP_CMD_GET_NIC_INFO);
 599
 600         if (err == QLCNIC_RCODE_SUCCESS) {
 601                 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
 602                 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
 603                 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
 604                 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
 605                 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 606                 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 607                 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 608                 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 609                 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
 610                 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 611
 612                 dev_info(&adapter->pdev->dev,
 613                         "phy port: %d switch_mode: %d,\n"
 614                         "\tmax_tx_q: %d max_rx_q: %d min_tx_bw: 0x%x,\n"
 615                         "\tmax_tx_bw: 0x%x max_mtu:0x%x, capabilities: 0x%x\n",
 616                         npar_info->phys_port, npar_info->switch_mode,
 617                         npar_info->max_tx_ques, npar_info->max_rx_ques,
 618                         npar_info->min_tx_bw, npar_info->max_tx_bw,
 619                         npar_info->max_mtu, npar_info->capabilities);
 620         } else {
 621                 dev_err(&adapter->pdev->dev,
 622                         "Failed to get nic info%d\n", err);
 623                 err = -EIO;
 624         }
 625
 626         pci_free_consistent(adapter->pdev, nic_size, nic_info_addr, nic_dma_t);
 627         return err;
 628 }
 629
 630 /* Configure a NIC partition */
 631 int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
 632 {
 633         int err = -EIO;
 634         dma_addr_t nic_dma_t;
 635         void *nic_info_addr;
 636         struct qlcnic_info *nic_info;
 637         size_t nic_size = sizeof(struct qlcnic_info);
 638
 639         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 640                 return err;
 641
 642         nic_info_addr = pci_alloc_consistent(adapter->pdev, nic_size,
 643                         &nic_dma_t);
 644         if (!nic_info_addr)
 645                 return -ENOMEM;
 646
 647         memset(nic_info_addr, 0, nic_size);
 648         nic_info = (struct qlcnic_info *)nic_info_addr;
 649
 650         nic_info->pci_func = cpu_to_le16(nic->pci_func);
 651         nic_info->op_mode = cpu_to_le16(nic->op_mode);
 652         nic_info->phys_port = cpu_to_le16(nic->phys_port);
 653         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 654         nic_info->capabilities = cpu_to_le32(nic->capabilities);
 655         nic_info->max_mac_filters = nic->max_mac_filters;
 656         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 657         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 658         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 659         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 660
 661         err = qlcnic_issue_cmd(adapter,
 662                         adapter->ahw.pci_func,
 663                         adapter->fw_hal_version,
 664                         MSD(nic_dma_t),
 665                         LSD(nic_dma_t),
 666                         ((nic->pci_func << 16) | nic_size),
 667                         QLCNIC_CDRP_CMD_SET_NIC_INFO);
 668
 669         if (err != QLCNIC_RCODE_SUCCESS) {
 670                 dev_err(&adapter->pdev->dev,
 671                         "Failed to set nic info%d\n", err);
 672                 err = -EIO;
 673         }
 674
 675         pci_free_consistent(adapter->pdev, nic_size, nic_info_addr, nic_dma_t);
 676         return err;
 677 }
 678
 679 /* Get PCI Info of a partition */
 680 int qlcnic_get_pci_info(struct qlcnic_adapter *adapter,
 681                                 struct qlcnic_pci_info *pci_info)
 682 {
 683         int err = 0, i;
 684         dma_addr_t pci_info_dma_t;
 685         struct qlcnic_pci_info *npar;
 686         void *pci_info_addr;
 687         size_t npar_size = sizeof(struct qlcnic_pci_info);
 688         size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
 689
 690         pci_info_addr = pci_alloc_consistent(adapter->pdev, pci_size,
 691                         &pci_info_dma_t);
 692         if (!pci_info_addr)
 693                 return -ENOMEM;
 694         memset(pci_info_addr, 0, pci_size);
 695
 696         npar = (struct qlcnic_pci_info *) pci_info_addr;
 697         err = qlcnic_issue_cmd(adapter,
 698                         adapter->ahw.pci_func,
 699                         adapter->fw_hal_version,
 700                         MSD(pci_info_dma_t),
 701                         LSD(pci_info_dma_t),
 702                         pci_size,
 703                         QLCNIC_CDRP_CMD_GET_PCI_INFO);
 704
 705         if (err == QLCNIC_RCODE_SUCCESS) {
 706                 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) {
 707                         pci_info->id = le16_to_cpu(npar->id);
 708                         pci_info->active = le16_to_cpu(npar->active);
 709                         pci_info->type = le16_to_cpu(npar->type);
 710                         pci_info->default_port =
 711                                 le16_to_cpu(npar->default_port);
 712                         pci_info->tx_min_bw =
 713                                 le16_to_cpu(npar->tx_min_bw);
 714                         pci_info->tx_max_bw =
 715                                 le16_to_cpu(npar->tx_max_bw);
 716                         memcpy(pci_info->mac, npar->mac, ETH_ALEN);
 717                 }
 718         } else {
 719                 dev_err(&adapter->pdev->dev,
 720                         "Failed to get PCI Info%d\n", err);
 721                 err = -EIO;
 722         }
 723
 724         pci_free_consistent(adapter->pdev, pci_size, pci_info_addr,
 725                 pci_info_dma_t);
 726         return err;
 727 }
 728
 729 /* Configure eSwitch for port mirroring */
 730 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
 731                                 u8 enable_mirroring, u8 pci_func)
 732 {
 733         int err = -EIO;
 734         u32 arg1;
 735
 736         if (adapter->op_mode != QLCNIC_MGMT_FUNC ||
 737                 !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
 738                 return err;
 739
 740         arg1 = id | (enable_mirroring ? BIT_4 : 0);
 741         arg1 |= pci_func << 8;
 742
 743         err = qlcnic_issue_cmd(adapter,
 744                         adapter->ahw.pci_func,
 745                         adapter->fw_hal_version,
 746                         arg1,
 747                         0,
 748                         0,
 749                         QLCNIC_CDRP_CMD_SET_PORTMIRRORING);
 750
 751         if (err != QLCNIC_RCODE_SUCCESS) {
 752                 dev_err(&adapter->pdev->dev,
 753                         "Failed to configure port mirroring%d on eswitch:%d\n",
 754                         pci_func, id);
 755         } else {
 756                 dev_info(&adapter->pdev->dev,
 757                         "Configured eSwitch %d for port mirroring:%d\n",
 758                         id, pci_func);
 759         }
 760
 761         return err;
 762 }
 763
 764 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
 765                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
 766
 767         size_t stats_size = sizeof(struct __qlcnic_esw_statistics);
 768         struct __qlcnic_esw_statistics *stats;
 769         dma_addr_t stats_dma_t;
 770         void *stats_addr;
 771         u32 arg1;
 772         int err;
 773
 774         if (esw_stats == NULL)
 775                 return -ENOMEM;
 776
 777         if (adapter->op_mode != QLCNIC_MGMT_FUNC &&
 778             func != adapter->ahw.pci_func) {
 779                 dev_err(&adapter->pdev->dev,
 780                         "Not privilege to query stats for func=%d", func);
 781                 return -EIO;
 782         }
 783
 784         stats_addr = pci_alloc_consistent(adapter->pdev, stats_size,
 785                         &stats_dma_t);
 786         if (!stats_addr) {
 787                 dev_err(&adapter->pdev->dev, "Unable to allocate memory\n");
 788                 return -ENOMEM;
 789         }
 790         memset(stats_addr, 0, stats_size);
 791
 792         arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
 793         arg1 |= rx_tx << 15 | stats_size << 16;
 794
 795         err = qlcnic_issue_cmd(adapter,
 796                         adapter->ahw.pci_func,
 797                         adapter->fw_hal_version,
 798                         arg1,
 799                         MSD(stats_dma_t),
 800                         LSD(stats_dma_t),
 801                         QLCNIC_CDRP_CMD_GET_ESWITCH_STATS);
 802
 803         if (!err) {
 804                 stats = (struct __qlcnic_esw_statistics *)stats_addr;
 805                 esw_stats->context_id = le16_to_cpu(stats->context_id);
 806                 esw_stats->version = le16_to_cpu(stats->version);
 807                 esw_stats->size = le16_to_cpu(stats->size);
 808                 esw_stats->multicast_frames =
 809                                 le64_to_cpu(stats->multicast_frames);
 810                 esw_stats->broadcast_frames =
 811                                 le64_to_cpu(stats->broadcast_frames);
 812                 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
 813                 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
 814                 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
 815                 esw_stats->errors = le64_to_cpu(stats->errors);
 816                 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
 817         }
 818
 819         pci_free_consistent(adapter->pdev, stats_size, stats_addr,
 820                 stats_dma_t);
 821         return err;
 822 }
 823
 824 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
 825                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
 826
 827         struct __qlcnic_esw_statistics port_stats;
 828         u8 i;
 829         int ret = -EIO;
 830
 831         if (esw_stats == NULL)
 832                 return -ENOMEM;
 833         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 834                 return -EIO;
 835         if (adapter->npars == NULL)
 836                 return -EIO;
 837
 838         memset(esw_stats, 0, sizeof(u64));
 839         esw_stats->unicast_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
 840         esw_stats->multicast_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
 841         esw_stats->broadcast_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
 842         esw_stats->dropped_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
 843         esw_stats->errors = QLCNIC_ESW_STATS_NOT_AVAIL;
 844         esw_stats->local_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
 845         esw_stats->numbytes = QLCNIC_ESW_STATS_NOT_AVAIL;
 846         esw_stats->context_id = eswitch;
 847
 848         for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
 849                 if (adapter->npars[i].phy_port != eswitch)
 850                         continue;
 851
 852                 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
 853                 if (qlcnic_get_port_stats(adapter, i, rx_tx, &port_stats))
 854                         continue;
 855
 856                 esw_stats->size = port_stats.size;
 857                 esw_stats->version = port_stats.version;
 858                 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
 859                                                 port_stats.unicast_frames);
 860                 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
 861                                                 port_stats.multicast_frames);
 862                 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
 863                                                 port_stats.broadcast_frames);
 864                 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
 865                                                 port_stats.dropped_frames);
 866                 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
 867                                                 port_stats.errors);
 868                 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
 869                                                 port_stats.local_frames);
 870                 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
 871                                                 port_stats.numbytes);
 872                 ret = 0;
 873         }
 874         return ret;
 875 }
 876
 877 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
 878                 const u8 port, const u8 rx_tx)
 879 {
 880
 881         u32 arg1;
 882
 883         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 884                 return -EIO;
 885
 886         if (func_esw == QLCNIC_STATS_PORT) {
 887                 if (port >= QLCNIC_MAX_PCI_FUNC)
 888                         goto err_ret;
 889         } else if (func_esw == QLCNIC_STATS_ESWITCH) {
 890                 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
 891                         goto err_ret;
 892         } else {
 893                 goto err_ret;
 894         }
 895
 896         if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
 897                 goto err_ret;
 898
 899         arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
 900         arg1 |= BIT_14 | rx_tx << 15;
 901
 902         return qlcnic_issue_cmd(adapter,
 903                         adapter->ahw.pci_func,
 904                         adapter->fw_hal_version,
 905                         arg1,
 906                         0,
 907                         0,
 908                         QLCNIC_CDRP_CMD_GET_ESWITCH_STATS);
 909
 910 err_ret:
 911         dev_err(&adapter->pdev->dev, "Invalid argument func_esw=%d port=%d"
 912                 "rx_ctx=%d\n", func_esw, port, rx_tx);
 913         return -EIO;
 914 }
 915
 916 static int
 917 __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
 918                                         u32 *arg1, u32 *arg2)
 919 {
 920         int err = -EIO;
 921         u8 pci_func;
 922         pci_func = (*arg1 >> 8);
 923         err = qlcnic_issue_cmd(adapter,
 924                         adapter->ahw.pci_func,
 925                         adapter->fw_hal_version,
 926                         *arg1,
 927                         0,
 928                         0,
 929                         QLCNIC_CDRP_CMD_GET_ESWITCH_PORT_CONFIG);
 930
 931         if (err == QLCNIC_RCODE_SUCCESS) {
 932                 *arg1 = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
 933                 *arg2 = QLCRD32(adapter, QLCNIC_ARG2_CRB_OFFSET);
 934                 dev_info(&adapter->pdev->dev,
 935                         "eSwitch port config for pci func %d\n", pci_func);
 936         } else {
 937                 dev_err(&adapter->pdev->dev,
 938                         "Failed to get eswitch port config for pci func %d\n",
 939                                                                 pci_func);
 940         }
 941         return err;
 942 }
 943 /* Configure eSwitch port
 944 op_mode = 0 for setting default port behavior
 945 op_mode = 1 for setting  vlan id
 946 op_mode = 2 for deleting vlan id
 947 op_type = 0 for vlan_id
 948 op_type = 1 for port vlan_id
 949 */
 950 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
 951                 struct qlcnic_esw_func_cfg *esw_cfg)
 952 {
 953         int err = -EIO;
 954         u32 arg1, arg2 = 0;
 955         u8 pci_func;
 956
 957         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 958                 return err;
 959         pci_func = esw_cfg->pci_func;
 960         arg1 = (adapter->npars[pci_func].phy_port & BIT_0);
 961         arg1 |= (pci_func << 8);
 962
 963         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
 964                 return err;
 965         arg1 &= ~(0x0ff << 8);
 966         arg1 |= (pci_func << 8);
 967         arg1 &= ~(BIT_2 | BIT_3);
 968         switch (esw_cfg->op_mode) {
 969         case QLCNIC_PORT_DEFAULTS:
 970                 arg1 |= (BIT_4 | BIT_6 | BIT_7);
 971                 arg2 |= (BIT_0 | BIT_1);
 972                 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
 973                         arg2 |= (BIT_2 | BIT_3);
 974                 if (!(esw_cfg->discard_tagged))
 975                         arg1 &= ~BIT_4;
 976                 if (!(esw_cfg->promisc_mode))
 977                         arg1 &= ~BIT_6;
 978                 if (!(esw_cfg->mac_override))
 979                         arg1 &= ~BIT_7;
 980                 if (!(esw_cfg->mac_anti_spoof))
 981                         arg2 &= ~BIT_0;
 982                 if (!(esw_cfg->offload_flags & BIT_0))
 983                         arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
 984                 if (!(esw_cfg->offload_flags & BIT_1))
 985                         arg2 &= ~BIT_2;
 986                 if (!(esw_cfg->offload_flags & BIT_2))
 987                         arg2 &= ~BIT_3;
 988                 break;
 989         case QLCNIC_ADD_VLAN:
 990                         arg1 |= (BIT_2 | BIT_5);
 991                         arg1 |= (esw_cfg->vlan_id << 16);
 992                         break;
 993         case QLCNIC_DEL_VLAN:
 994                         arg1 |= (BIT_3 | BIT_5);
 995                         arg1 &= ~(0x0ffff << 16);
 996                         break;
 997         default:
 998                 return err;
 999         }
1000
1001         err = qlcnic_issue_cmd(adapter,
1002                         adapter->ahw.pci_func,
1003                         adapter->fw_hal_version,
1004                         arg1,
1005                         arg2,
1006                         0,
1007                         QLCNIC_CDRP_CMD_CONFIGURE_ESWITCH);
1008
1009         if (err != QLCNIC_RCODE_SUCCESS) {
1010                 dev_err(&adapter->pdev->dev,
1011                         "Failed to configure eswitch pci func %d\n", pci_func);
1012         } else {
1013                 dev_info(&adapter->pdev->dev,
1014                         "Configured eSwitch for pci func %d\n", pci_func);
1015         }
1016
1017         return err;
1018 }
1019
1020 int
1021 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1022                         struct qlcnic_esw_func_cfg *esw_cfg)
1023 {
1024         u32 arg1, arg2;
1025         u8 phy_port;
1026         if (adapter->op_mode == QLCNIC_MGMT_FUNC)
1027                 phy_port = adapter->npars[esw_cfg->pci_func].phy_port;
1028         else
1029                 phy_port = adapter->physical_port;
1030         arg1 = phy_port;
1031         arg1 |= (esw_cfg->pci_func << 8);
1032         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1033                 return -EIO;
1034
1035         esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1036         esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1037         esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1038         esw_cfg->mac_override = !!(arg1 & BIT_7);
1039         esw_cfg->vlan_id = LSW(arg1 >> 16);
1040         esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1041         esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1042
1043         return 0;
1044 }