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         u8 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 = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 123                         &hostrq_phys_addr, GFP_KERNEL);
 124         if (addr == NULL)
 125                 return -ENOMEM;
 126         prq = (struct qlcnic_hostrq_rx_ctx *)addr;
 127
 128         addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 129                         &cardrsp_phys_addr, GFP_KERNEL);
 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 = 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         dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
 232                 cardrsp_phys_addr);
 233 out_free_rq:
 234         dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
 235         return err;
 236 }
 237
 238 static void
 239 qlcnic_fw_cmd_destroy_rx_ctx(struct qlcnic_adapter *adapter)
 240 {
 241         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 242
 243         if (qlcnic_issue_cmd(adapter,
 244                         adapter->ahw->pci_func,
 245                         adapter->fw_hal_version,
 246                         recv_ctx->context_id,
 247                         QLCNIC_DESTROY_CTX_RESET,
 248                         0,
 249                         QLCNIC_CDRP_CMD_DESTROY_RX_CTX)) {
 250
 251                 dev_err(&adapter->pdev->dev,
 252                         "Failed to destroy rx ctx in firmware\n");
 253         }
 254
 255         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 256 }
 257
 258 static int
 259 qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter)
 260 {
 261         struct qlcnic_hostrq_tx_ctx     *prq;
 262         struct qlcnic_hostrq_cds_ring   *prq_cds;
 263         struct qlcnic_cardrsp_tx_ctx    *prsp;
 264         void    *rq_addr, *rsp_addr;
 265         size_t  rq_size, rsp_size;
 266         u32     temp;
 267         int     err;
 268         u64     phys_addr;
 269         dma_addr_t      rq_phys_addr, rsp_phys_addr;
 270         struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
 271
 272         /* reset host resources */
 273         tx_ring->producer = 0;
 274         tx_ring->sw_consumer = 0;
 275         *(tx_ring->hw_consumer) = 0;
 276
 277         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
 278         rq_addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 279                         &rq_phys_addr, GFP_KERNEL);
 280         if (!rq_addr)
 281                 return -ENOMEM;
 282
 283         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
 284         rsp_addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 285                         &rsp_phys_addr, GFP_KERNEL);
 286         if (!rsp_addr) {
 287                 err = -ENOMEM;
 288                 goto out_free_rq;
 289         }
 290
 291         memset(rq_addr, 0, rq_size);
 292         prq = (struct qlcnic_hostrq_tx_ctx *)rq_addr;
 293
 294         memset(rsp_addr, 0, rsp_size);
 295         prsp = (struct qlcnic_cardrsp_tx_ctx *)rsp_addr;
 296
 297         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 298
 299         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 300                                         QLCNIC_CAP0_LSO);
 301         prq->capabilities[0] = cpu_to_le32(temp);
 302
 303         prq->host_int_crb_mode =
 304                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 305
 306         prq->interrupt_ctl = 0;
 307         prq->msi_index = 0;
 308         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 309
 310         prq_cds = &prq->cds_ring;
 311
 312         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 313         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 314
 315         phys_addr = rq_phys_addr;
 316         err = qlcnic_issue_cmd(adapter,
 317                         adapter->ahw->pci_func,
 318                         adapter->fw_hal_version,
 319                         (u32)(phys_addr >> 32),
 320                         ((u32)phys_addr & 0xffffffff),
 321                         rq_size,
 322                         QLCNIC_CDRP_CMD_CREATE_TX_CTX);
 323
 324         if (err == QLCNIC_RCODE_SUCCESS) {
 325                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 326                 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
 327
 328                 adapter->tx_context_id =
 329                         le16_to_cpu(prsp->context_id);
 330         } else {
 331                 dev_err(&adapter->pdev->dev,
 332                         "Failed to create tx ctx in firmware%d\n", err);
 333                 err = -EIO;
 334         }
 335
 336         dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
 337                 rsp_phys_addr);
 338
 339 out_free_rq:
 340         dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
 341
 342         return err;
 343 }
 344
 345 static void
 346 qlcnic_fw_cmd_destroy_tx_ctx(struct qlcnic_adapter *adapter)
 347 {
 348         if (qlcnic_issue_cmd(adapter,
 349                         adapter->ahw->pci_func,
 350                         adapter->fw_hal_version,
 351                         adapter->tx_context_id,
 352                         QLCNIC_DESTROY_CTX_RESET,
 353                         0,
 354                         QLCNIC_CDRP_CMD_DESTROY_TX_CTX)) {
 355
 356                 dev_err(&adapter->pdev->dev,
 357                         "Failed to destroy tx ctx in firmware\n");
 358         }
 359 }
 360
 361 int
 362 qlcnic_fw_cmd_query_phy(struct qlcnic_adapter *adapter, u32 reg, u32 *val)
 363 {
 364
 365         if (qlcnic_issue_cmd(adapter,
 366                         adapter->ahw->pci_func,
 367                         adapter->fw_hal_version,
 368                         reg,
 369                         0,
 370                         0,
 371                         QLCNIC_CDRP_CMD_READ_PHY)) {
 372
 373                 return -EIO;
 374         }
 375
 376         return QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
 377 }
 378
 379 int
 380 qlcnic_fw_cmd_set_phy(struct qlcnic_adapter *adapter, u32 reg, u32 val)
 381 {
 382         return qlcnic_issue_cmd(adapter,
 383                         adapter->ahw->pci_func,
 384                         adapter->fw_hal_version,
 385                         reg,
 386                         val,
 387                         0,
 388                         QLCNIC_CDRP_CMD_WRITE_PHY);
 389 }
 390
 391 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 392 {
 393         void *addr;
 394         int err;
 395         int ring;
 396         struct qlcnic_recv_context *recv_ctx;
 397         struct qlcnic_host_rds_ring *rds_ring;
 398         struct qlcnic_host_sds_ring *sds_ring;
 399         struct qlcnic_host_tx_ring *tx_ring;
 400
 401         struct pci_dev *pdev = adapter->pdev;
 402
 403         recv_ctx = adapter->recv_ctx;
 404         tx_ring = adapter->tx_ring;
 405
 406         tx_ring->hw_consumer = (__le32 *) dma_alloc_coherent(&pdev->dev,
 407                 sizeof(u32), &tx_ring->hw_cons_phys_addr, GFP_KERNEL);
 408         if (tx_ring->hw_consumer == NULL) {
 409                 dev_err(&pdev->dev, "failed to allocate tx consumer\n");
 410                 return -ENOMEM;
 411         }
 412
 413         /* cmd desc ring */
 414         addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
 415                         &tx_ring->phys_addr, GFP_KERNEL);
 416
 417         if (addr == NULL) {
 418                 dev_err(&pdev->dev, "failed to allocate tx desc ring\n");
 419                 err = -ENOMEM;
 420                 goto err_out_free;
 421         }
 422
 423         tx_ring->desc_head = (struct cmd_desc_type0 *)addr;
 424
 425         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 426                 rds_ring = &recv_ctx->rds_rings[ring];
 427                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 428                                 RCV_DESC_RINGSIZE(rds_ring),
 429                                 &rds_ring->phys_addr, GFP_KERNEL);
 430                 if (addr == NULL) {
 431                         dev_err(&pdev->dev,
 432                                 "failed to allocate rds ring [%d]\n", ring);
 433                         err = -ENOMEM;
 434                         goto err_out_free;
 435                 }
 436                 rds_ring->desc_head = (struct rcv_desc *)addr;
 437
 438         }
 439
 440         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 441                 sds_ring = &recv_ctx->sds_rings[ring];
 442
 443                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 444                                 STATUS_DESC_RINGSIZE(sds_ring),
 445                                 &sds_ring->phys_addr, GFP_KERNEL);
 446                 if (addr == NULL) {
 447                         dev_err(&pdev->dev,
 448                                 "failed to allocate sds ring [%d]\n", ring);
 449                         err = -ENOMEM;
 450                         goto err_out_free;
 451                 }
 452                 sds_ring->desc_head = (struct status_desc *)addr;
 453         }
 454
 455         return 0;
 456
 457 err_out_free:
 458         qlcnic_free_hw_resources(adapter);
 459         return err;
 460 }
 461
 462
 463 int qlcnic_fw_create_ctx(struct qlcnic_adapter *adapter)
 464 {
 465         int err;
 466
 467         if (adapter->flags & QLCNIC_NEED_FLR) {
 468                 pci_reset_function(adapter->pdev);
 469                 adapter->flags &= ~QLCNIC_NEED_FLR;
 470         }
 471
 472         err = qlcnic_fw_cmd_create_rx_ctx(adapter);
 473         if (err)
 474                 return err;
 475
 476         err = qlcnic_fw_cmd_create_tx_ctx(adapter);
 477         if (err) {
 478                 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
 479                 return err;
 480         }
 481
 482         set_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
 483         return 0;
 484 }
 485
 486 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 487 {
 488         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 489                 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
 490                 qlcnic_fw_cmd_destroy_tx_ctx(adapter);
 491
 492                 /* Allow dma queues to drain after context reset */
 493                 msleep(20);
 494         }
 495 }
 496
 497 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 498 {
 499         struct qlcnic_recv_context *recv_ctx;
 500         struct qlcnic_host_rds_ring *rds_ring;
 501         struct qlcnic_host_sds_ring *sds_ring;
 502         struct qlcnic_host_tx_ring *tx_ring;
 503         int ring;
 504
 505         recv_ctx = adapter->recv_ctx;
 506
 507         tx_ring = adapter->tx_ring;
 508         if (tx_ring->hw_consumer != NULL) {
 509                 dma_free_coherent(&adapter->pdev->dev,
 510                                 sizeof(u32),
 511                                 tx_ring->hw_consumer,
 512                                 tx_ring->hw_cons_phys_addr);
 513                 tx_ring->hw_consumer = NULL;
 514         }
 515
 516         if (tx_ring->desc_head != NULL) {
 517                 dma_free_coherent(&adapter->pdev->dev,
 518                                 TX_DESC_RINGSIZE(tx_ring),
 519                                 tx_ring->desc_head, tx_ring->phys_addr);
 520                 tx_ring->desc_head = NULL;
 521         }
 522
 523         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 524                 rds_ring = &recv_ctx->rds_rings[ring];
 525
 526                 if (rds_ring->desc_head != NULL) {
 527                         dma_free_coherent(&adapter->pdev->dev,
 528                                         RCV_DESC_RINGSIZE(rds_ring),
 529                                         rds_ring->desc_head,
 530                                         rds_ring->phys_addr);
 531                         rds_ring->desc_head = NULL;
 532                 }
 533         }
 534
 535         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 536                 sds_ring = &recv_ctx->sds_rings[ring];
 537
 538                 if (sds_ring->desc_head != NULL) {
 539                         dma_free_coherent(&adapter->pdev->dev,
 540                                 STATUS_DESC_RINGSIZE(sds_ring),
 541                                 sds_ring->desc_head,
 542                                 sds_ring->phys_addr);
 543                         sds_ring->desc_head = NULL;
 544                 }
 545         }
 546 }
 547
 548
 549 /* Get MAC address of a NIC partition */
 550 int qlcnic_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
 551 {
 552         int err;
 553         u32 arg1;
 554
 555         arg1 = adapter->ahw->pci_func | BIT_8;
 556         err = qlcnic_issue_cmd(adapter,
 557                         adapter->ahw->pci_func,
 558                         adapter->fw_hal_version,
 559                         arg1,
 560                         0,
 561                         0,
 562                         QLCNIC_CDRP_CMD_MAC_ADDRESS);
 563
 564         if (err == QLCNIC_RCODE_SUCCESS)
 565                 qlcnic_fetch_mac(adapter, QLCNIC_ARG1_CRB_OFFSET,
 566                                 QLCNIC_ARG2_CRB_OFFSET, 0, mac);
 567         else {
 568                 dev_err(&adapter->pdev->dev,
 569                         "Failed to get mac address%d\n", err);
 570                 err = -EIO;
 571         }
 572
 573         return err;
 574 }
 575
 576 /* Get info of a NIC partition */
 577 int qlcnic_get_nic_info(struct qlcnic_adapter *adapter,
 578                                 struct qlcnic_info *npar_info, u8 func_id)
 579 {
 580         int     err;
 581         dma_addr_t nic_dma_t;
 582         struct qlcnic_info *nic_info;
 583         void *nic_info_addr;
 584         size_t  nic_size = sizeof(struct qlcnic_info);
 585
 586         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 587                                 &nic_dma_t, GFP_KERNEL);
 588         if (!nic_info_addr)
 589                 return -ENOMEM;
 590         memset(nic_info_addr, 0, nic_size);
 591
 592         nic_info = (struct qlcnic_info *) nic_info_addr;
 593         err = qlcnic_issue_cmd(adapter,
 594                         adapter->ahw->pci_func,
 595                         adapter->fw_hal_version,
 596                         MSD(nic_dma_t),
 597                         LSD(nic_dma_t),
 598                         (func_id << 16 | nic_size),
 599                         QLCNIC_CDRP_CMD_GET_NIC_INFO);
 600
 601         if (err == QLCNIC_RCODE_SUCCESS) {
 602                 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
 603                 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
 604                 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
 605                 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
 606                 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 607                 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 608                 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 609                 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 610                 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
 611                 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 612
 613                 dev_info(&adapter->pdev->dev,
 614                         "phy port: %d switch_mode: %d,\n"
 615                         "\tmax_tx_q: %d max_rx_q: %d min_tx_bw: 0x%x,\n"
 616                         "\tmax_tx_bw: 0x%x max_mtu:0x%x, capabilities: 0x%x\n",
 617                         npar_info->phys_port, npar_info->switch_mode,
 618                         npar_info->max_tx_ques, npar_info->max_rx_ques,
 619                         npar_info->min_tx_bw, npar_info->max_tx_bw,
 620                         npar_info->max_mtu, npar_info->capabilities);
 621         } else {
 622                 dev_err(&adapter->pdev->dev,
 623                         "Failed to get nic info%d\n", err);
 624                 err = -EIO;
 625         }
 626
 627         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 628                 nic_dma_t);
 629         return err;
 630 }
 631
 632 /* Configure a NIC partition */
 633 int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
 634 {
 635         int err = -EIO;
 636         dma_addr_t nic_dma_t;
 637         void *nic_info_addr;
 638         struct qlcnic_info *nic_info;
 639         size_t nic_size = sizeof(struct qlcnic_info);
 640
 641         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 642                 return err;
 643
 644         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 645                         &nic_dma_t, GFP_KERNEL);
 646         if (!nic_info_addr)
 647                 return -ENOMEM;
 648
 649         memset(nic_info_addr, 0, nic_size);
 650         nic_info = (struct qlcnic_info *)nic_info_addr;
 651
 652         nic_info->pci_func = cpu_to_le16(nic->pci_func);
 653         nic_info->op_mode = cpu_to_le16(nic->op_mode);
 654         nic_info->phys_port = cpu_to_le16(nic->phys_port);
 655         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 656         nic_info->capabilities = cpu_to_le32(nic->capabilities);
 657         nic_info->max_mac_filters = nic->max_mac_filters;
 658         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 659         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 660         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 661         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 662
 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                         ((nic->pci_func << 16) | nic_size),
 669                         QLCNIC_CDRP_CMD_SET_NIC_INFO);
 670
 671         if (err != QLCNIC_RCODE_SUCCESS) {
 672                 dev_err(&adapter->pdev->dev,
 673                         "Failed to set nic info%d\n", err);
 674                 err = -EIO;
 675         }
 676
 677         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 678                 nic_dma_t);
 679         return err;
 680 }
 681
 682 /* Get PCI Info of a partition */
 683 int qlcnic_get_pci_info(struct qlcnic_adapter *adapter,
 684                                 struct qlcnic_pci_info *pci_info)
 685 {
 686         int err = 0, i;
 687         dma_addr_t pci_info_dma_t;
 688         struct qlcnic_pci_info *npar;
 689         void *pci_info_addr;
 690         size_t npar_size = sizeof(struct qlcnic_pci_info);
 691         size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
 692
 693         pci_info_addr = dma_alloc_coherent(&adapter->pdev->dev, pci_size,
 694                         &pci_info_dma_t, GFP_KERNEL);
 695         if (!pci_info_addr)
 696                 return -ENOMEM;
 697         memset(pci_info_addr, 0, pci_size);
 698
 699         npar = (struct qlcnic_pci_info *) pci_info_addr;
 700         err = qlcnic_issue_cmd(adapter,
 701                         adapter->ahw->pci_func,
 702                         adapter->fw_hal_version,
 703                         MSD(pci_info_dma_t),
 704                         LSD(pci_info_dma_t),
 705                         pci_size,
 706                         QLCNIC_CDRP_CMD_GET_PCI_INFO);
 707
 708         if (err == QLCNIC_RCODE_SUCCESS) {
 709                 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) {
 710                         pci_info->id = le16_to_cpu(npar->id);
 711                         pci_info->active = le16_to_cpu(npar->active);
 712                         pci_info->type = le16_to_cpu(npar->type);
 713                         pci_info->default_port =
 714                                 le16_to_cpu(npar->default_port);
 715                         pci_info->tx_min_bw =
 716                                 le16_to_cpu(npar->tx_min_bw);
 717                         pci_info->tx_max_bw =
 718                                 le16_to_cpu(npar->tx_max_bw);
 719                         memcpy(pci_info->mac, npar->mac, ETH_ALEN);
 720                 }
 721         } else {
 722                 dev_err(&adapter->pdev->dev,
 723                         "Failed to get PCI Info%d\n", err);
 724                 err = -EIO;
 725         }
 726
 727         dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
 728                 pci_info_dma_t);
 729         return err;
 730 }
 731
 732 /* Configure eSwitch for port mirroring */
 733 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
 734                                 u8 enable_mirroring, u8 pci_func)
 735 {
 736         int err = -EIO;
 737         u32 arg1;
 738
 739         if (adapter->op_mode != QLCNIC_MGMT_FUNC ||
 740                 !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
 741                 return err;
 742
 743         arg1 = id | (enable_mirroring ? BIT_4 : 0);
 744         arg1 |= pci_func << 8;
 745
 746         err = qlcnic_issue_cmd(adapter,
 747                         adapter->ahw->pci_func,
 748                         adapter->fw_hal_version,
 749                         arg1,
 750                         0,
 751                         0,
 752                         QLCNIC_CDRP_CMD_SET_PORTMIRRORING);
 753
 754         if (err != QLCNIC_RCODE_SUCCESS) {
 755                 dev_err(&adapter->pdev->dev,
 756                         "Failed to configure port mirroring%d on eswitch:%d\n",
 757                         pci_func, id);
 758         } else {
 759                 dev_info(&adapter->pdev->dev,
 760                         "Configured eSwitch %d for port mirroring:%d\n",
 761                         id, pci_func);
 762         }
 763
 764         return err;
 765 }
 766
 767 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
 768                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
 769
 770         size_t stats_size = sizeof(struct __qlcnic_esw_statistics);
 771         struct __qlcnic_esw_statistics *stats;
 772         dma_addr_t stats_dma_t;
 773         void *stats_addr;
 774         u32 arg1;
 775         int err;
 776
 777         if (esw_stats == NULL)
 778                 return -ENOMEM;
 779
 780         if (adapter->op_mode != QLCNIC_MGMT_FUNC &&
 781             func != adapter->ahw->pci_func) {
 782                 dev_err(&adapter->pdev->dev,
 783                         "Not privilege to query stats for func=%d", func);
 784                 return -EIO;
 785         }
 786
 787         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
 788                         &stats_dma_t, GFP_KERNEL);
 789         if (!stats_addr) {
 790                 dev_err(&adapter->pdev->dev, "Unable to allocate memory\n");
 791                 return -ENOMEM;
 792         }
 793         memset(stats_addr, 0, stats_size);
 794
 795         arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
 796         arg1 |= rx_tx << 15 | stats_size << 16;
 797
 798         err = qlcnic_issue_cmd(adapter,
 799                         adapter->ahw->pci_func,
 800                         adapter->fw_hal_version,
 801                         arg1,
 802                         MSD(stats_dma_t),
 803                         LSD(stats_dma_t),
 804                         QLCNIC_CDRP_CMD_GET_ESWITCH_STATS);
 805
 806         if (!err) {
 807                 stats = (struct __qlcnic_esw_statistics *)stats_addr;
 808                 esw_stats->context_id = le16_to_cpu(stats->context_id);
 809                 esw_stats->version = le16_to_cpu(stats->version);
 810                 esw_stats->size = le16_to_cpu(stats->size);
 811                 esw_stats->multicast_frames =
 812                                 le64_to_cpu(stats->multicast_frames);
 813                 esw_stats->broadcast_frames =
 814                                 le64_to_cpu(stats->broadcast_frames);
 815                 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
 816                 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
 817                 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
 818                 esw_stats->errors = le64_to_cpu(stats->errors);
 819                 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
 820         }
 821
 822         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
 823                 stats_dma_t);
 824         return err;
 825 }
 826
 827 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
 828                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
 829
 830         struct __qlcnic_esw_statistics port_stats;
 831         u8 i;
 832         int ret = -EIO;
 833
 834         if (esw_stats == NULL)
 835                 return -ENOMEM;
 836         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 837                 return -EIO;
 838         if (adapter->npars == NULL)
 839                 return -EIO;
 840
 841         memset(esw_stats, 0, sizeof(u64));
 842         esw_stats->unicast_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
 843         esw_stats->multicast_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
 844         esw_stats->broadcast_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
 845         esw_stats->dropped_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
 846         esw_stats->errors = QLCNIC_ESW_STATS_NOT_AVAIL;
 847         esw_stats->local_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
 848         esw_stats->numbytes = QLCNIC_ESW_STATS_NOT_AVAIL;
 849         esw_stats->context_id = eswitch;
 850
 851         for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
 852                 if (adapter->npars[i].phy_port != eswitch)
 853                         continue;
 854
 855                 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
 856                 if (qlcnic_get_port_stats(adapter, i, rx_tx, &port_stats))
 857                         continue;
 858
 859                 esw_stats->size = port_stats.size;
 860                 esw_stats->version = port_stats.version;
 861                 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
 862                                                 port_stats.unicast_frames);
 863                 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
 864                                                 port_stats.multicast_frames);
 865                 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
 866                                                 port_stats.broadcast_frames);
 867                 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
 868                                                 port_stats.dropped_frames);
 869                 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
 870                                                 port_stats.errors);
 871                 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
 872                                                 port_stats.local_frames);
 873                 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
 874                                                 port_stats.numbytes);
 875                 ret = 0;
 876         }
 877         return ret;
 878 }
 879
 880 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
 881                 const u8 port, const u8 rx_tx)
 882 {
 883
 884         u32 arg1;
 885
 886         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 887                 return -EIO;
 888
 889         if (func_esw == QLCNIC_STATS_PORT) {
 890                 if (port >= QLCNIC_MAX_PCI_FUNC)
 891                         goto err_ret;
 892         } else if (func_esw == QLCNIC_STATS_ESWITCH) {
 893                 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
 894                         goto err_ret;
 895         } else {
 896                 goto err_ret;
 897         }
 898
 899         if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
 900                 goto err_ret;
 901
 902         arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
 903         arg1 |= BIT_14 | rx_tx << 15;
 904
 905         return qlcnic_issue_cmd(adapter,
 906                         adapter->ahw->pci_func,
 907                         adapter->fw_hal_version,
 908                         arg1,
 909                         0,
 910                         0,
 911                         QLCNIC_CDRP_CMD_GET_ESWITCH_STATS);
 912
 913 err_ret:
 914         dev_err(&adapter->pdev->dev, "Invalid argument func_esw=%d port=%d"
 915                 "rx_ctx=%d\n", func_esw, port, rx_tx);
 916         return -EIO;
 917 }
 918
 919 static int
 920 __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
 921                                         u32 *arg1, u32 *arg2)
 922 {
 923         int err = -EIO;
 924         u8 pci_func;
 925         pci_func = (*arg1 >> 8);
 926         err = qlcnic_issue_cmd(adapter,
 927                         adapter->ahw->pci_func,
 928                         adapter->fw_hal_version,
 929                         *arg1,
 930                         0,
 931                         0,
 932                         QLCNIC_CDRP_CMD_GET_ESWITCH_PORT_CONFIG);
 933
 934         if (err == QLCNIC_RCODE_SUCCESS) {
 935                 *arg1 = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
 936                 *arg2 = QLCRD32(adapter, QLCNIC_ARG2_CRB_OFFSET);
 937                 dev_info(&adapter->pdev->dev,
 938                         "eSwitch port config for pci func %d\n", pci_func);
 939         } else {
 940                 dev_err(&adapter->pdev->dev,
 941                         "Failed to get eswitch port config for pci func %d\n",
 942                                                                 pci_func);
 943         }
 944         return err;
 945 }
 946 /* Configure eSwitch port
 947 op_mode = 0 for setting default port behavior
 948 op_mode = 1 for setting  vlan id
 949 op_mode = 2 for deleting vlan id
 950 op_type = 0 for vlan_id
 951 op_type = 1 for port vlan_id
 952 */
 953 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
 954                 struct qlcnic_esw_func_cfg *esw_cfg)
 955 {
 956         int err = -EIO;
 957         u32 arg1, arg2 = 0;
 958         u8 pci_func;
 959
 960         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 961                 return err;
 962         pci_func = esw_cfg->pci_func;
 963         arg1 = (adapter->npars[pci_func].phy_port & BIT_0);
 964         arg1 |= (pci_func << 8);
 965
 966         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
 967                 return err;
 968         arg1 &= ~(0x0ff << 8);
 969         arg1 |= (pci_func << 8);
 970         arg1 &= ~(BIT_2 | BIT_3);
 971         switch (esw_cfg->op_mode) {
 972         case QLCNIC_PORT_DEFAULTS:
 973                 arg1 |= (BIT_4 | BIT_6 | BIT_7);
 974                 arg2 |= (BIT_0 | BIT_1);
 975                 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
 976                         arg2 |= (BIT_2 | BIT_3);
 977                 if (!(esw_cfg->discard_tagged))
 978                         arg1 &= ~BIT_4;
 979                 if (!(esw_cfg->promisc_mode))
 980                         arg1 &= ~BIT_6;
 981                 if (!(esw_cfg->mac_override))
 982                         arg1 &= ~BIT_7;
 983                 if (!(esw_cfg->mac_anti_spoof))
 984                         arg2 &= ~BIT_0;
 985                 if (!(esw_cfg->offload_flags & BIT_0))
 986                         arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
 987                 if (!(esw_cfg->offload_flags & BIT_1))
 988                         arg2 &= ~BIT_2;
 989                 if (!(esw_cfg->offload_flags & BIT_2))
 990                         arg2 &= ~BIT_3;
 991                 break;
 992         case QLCNIC_ADD_VLAN:
 993                         arg1 |= (BIT_2 | BIT_5);
 994                         arg1 |= (esw_cfg->vlan_id << 16);
 995                         break;
 996         case QLCNIC_DEL_VLAN:
 997                         arg1 |= (BIT_3 | BIT_5);
 998                         arg1 &= ~(0x0ffff << 16);
 999                         break;
1000         default:
1001                 return err;
1002         }
1003
1004         err = qlcnic_issue_cmd(adapter,
1005                         adapter->ahw->pci_func,
1006                         adapter->fw_hal_version,
1007                         arg1,
1008                         arg2,
1009                         0,
1010                         QLCNIC_CDRP_CMD_CONFIGURE_ESWITCH);
1011
1012         if (err != QLCNIC_RCODE_SUCCESS) {
1013                 dev_err(&adapter->pdev->dev,
1014                         "Failed to configure eswitch pci func %d\n", pci_func);
1015         } else {
1016                 dev_info(&adapter->pdev->dev,
1017                         "Configured eSwitch for pci func %d\n", pci_func);
1018         }
1019
1020         return err;
1021 }
1022
1023 int
1024 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1025                         struct qlcnic_esw_func_cfg *esw_cfg)
1026 {
1027         u32 arg1, arg2;
1028         u8 phy_port;
1029         if (adapter->op_mode == QLCNIC_MGMT_FUNC)
1030                 phy_port = adapter->npars[esw_cfg->pci_func].phy_port;
1031         else
1032                 phy_port = adapter->physical_port;
1033         arg1 = phy_port;
1034         arg1 |= (esw_cfg->pci_func << 8);
1035         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1036                 return -EIO;
1037
1038         esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1039         esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1040         esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1041         esw_cfg->mac_override = !!(arg1 & BIT_7);
1042         esw_cfg->vlan_id = LSW(arg1 >> 16);
1043         esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1044         esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1045
1046         return 0;
1047 }