drivers/net/qlcnic/qlcnic_ctx.c

   1 /*
   2  * Copyright (C) 2009 - QLogic Corporation.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  18  * MA  02111-1307, USA.
  19  *
  20  * The full GNU General Public License is included in this distribution
  21  * in the file called "COPYING".
  22  *
  23  */
  24
  25 #include "qlcnic.h"
  26
  27 static u32
  28 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
  29 {
  30         u32 rsp;
  31         int timeout = 0;
  32
  33         do {
  34                 /* give atleast 1ms for firmware to respond */
  35                 msleep(1);
  36
  37                 if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
  38                         return QLCNIC_CDRP_RSP_TIMEOUT;
  39
  40                 rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET);
  41         } while (!QLCNIC_CDRP_IS_RSP(rsp));
  42
  43         return rsp;
  44 }
  45
  46 u32
  47 qlcnic_issue_cmd(struct qlcnic_adapter *adapter,
  48         u32 pci_fn, u32 version, u32 arg1, u32 arg2, u32 arg3, u32 cmd)
  49 {
  50         u32 rsp;
  51         u32 signature;
  52         u32 rcode = QLCNIC_RCODE_SUCCESS;
  53         struct pci_dev *pdev = adapter->pdev;
  54
  55         signature = QLCNIC_CDRP_SIGNATURE_MAKE(pci_fn, version);
  56
  57         /* Acquire semaphore before accessing CRB */
  58         if (qlcnic_api_lock(adapter))
  59                 return QLCNIC_RCODE_TIMEOUT;
  60
  61         QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
  62         QLCWR32(adapter, QLCNIC_ARG1_CRB_OFFSET, arg1);
  63         QLCWR32(adapter, QLCNIC_ARG2_CRB_OFFSET, arg2);
  64         QLCWR32(adapter, QLCNIC_ARG3_CRB_OFFSET, arg3);
  65         QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET, QLCNIC_CDRP_FORM_CMD(cmd));
  66
  67         rsp = qlcnic_poll_rsp(adapter);
  68
  69         if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
  70                 dev_err(&pdev->dev, "card response timeout.\n");
  71                 rcode = QLCNIC_RCODE_TIMEOUT;
  72         } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
  73                 rcode = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
  74                 dev_err(&pdev->dev, "failed card response code:0x%x\n",
  75                                 rcode);
  76         }
  77
  78         /* Release semaphore */
  79         qlcnic_api_unlock(adapter);
  80
  81         return rcode;
  82 }
  83
  84 int
  85 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
  86 {
  87         struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
  88
  89         if (recv_ctx->state == QLCNIC_HOST_CTX_STATE_ACTIVE) {
  90                 if (qlcnic_issue_cmd(adapter,
  91                         adapter->ahw.pci_func,
  92                         adapter->fw_hal_version,
  93                         recv_ctx->context_id,
  94                         mtu,
  95                         0,
  96                         QLCNIC_CDRP_CMD_SET_MTU)) {
  97
  98                         dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
  99                         return -EIO;
 100                 }
 101         }
 102
 103         return 0;
 104 }
 105
 106 static int
 107 qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 108 {
 109         void *addr;
 110         struct qlcnic_hostrq_rx_ctx *prq;
 111         struct qlcnic_cardrsp_rx_ctx *prsp;
 112         struct qlcnic_hostrq_rds_ring *prq_rds;
 113         struct qlcnic_hostrq_sds_ring *prq_sds;
 114         struct qlcnic_cardrsp_rds_ring *prsp_rds;
 115         struct qlcnic_cardrsp_sds_ring *prsp_sds;
 116         struct qlcnic_host_rds_ring *rds_ring;
 117         struct qlcnic_host_sds_ring *sds_ring;
 118
 119         dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
 120         u64 phys_addr;
 121
 122         int i, nrds_rings, nsds_rings;
 123         size_t rq_size, rsp_size;
 124         u32 cap, reg, val, reg2;
 125         int err;
 126
 127         struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
 128
 129         nrds_rings = adapter->max_rds_rings;
 130         nsds_rings = adapter->max_sds_rings;
 131
 132         rq_size =
 133                 SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
 134                                                 nsds_rings);
 135         rsp_size =
 136                 SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
 137                                                 nsds_rings);
 138
 139         addr = pci_alloc_consistent(adapter->pdev,
 140                                 rq_size, &hostrq_phys_addr);
 141         if (addr == NULL)
 142                 return -ENOMEM;
 143         prq = (struct qlcnic_hostrq_rx_ctx *)addr;
 144
 145         addr = pci_alloc_consistent(adapter->pdev,
 146                         rsp_size, &cardrsp_phys_addr);
 147         if (addr == NULL) {
 148                 err = -ENOMEM;
 149                 goto out_free_rq;
 150         }
 151         prsp = (struct qlcnic_cardrsp_rx_ctx *)addr;
 152
 153         prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
 154
 155         cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
 156                                                 | QLCNIC_CAP0_VALIDOFF);
 157         cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
 158
 159         prq->valid_field_offset = offsetof(struct qlcnic_hostrq_rx_ctx,
 160                                                          msix_handler);
 161         prq->txrx_sds_binding = nsds_rings - 1;
 162
 163         prq->capabilities[0] = cpu_to_le32(cap);
 164         prq->host_int_crb_mode =
 165                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 166         prq->host_rds_crb_mode =
 167                 cpu_to_le32(QLCNIC_HOST_RDS_CRB_MODE_UNIQUE);
 168
 169         prq->num_rds_rings = cpu_to_le16(nrds_rings);
 170         prq->num_sds_rings = cpu_to_le16(nsds_rings);
 171         prq->rds_ring_offset = cpu_to_le32(0);
 172
 173         val = le32_to_cpu(prq->rds_ring_offset) +
 174                 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
 175         prq->sds_ring_offset = cpu_to_le32(val);
 176
 177         prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
 178                         le32_to_cpu(prq->rds_ring_offset));
 179
 180         for (i = 0; i < nrds_rings; i++) {
 181
 182                 rds_ring = &recv_ctx->rds_rings[i];
 183                 rds_ring->producer = 0;
 184
 185                 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
 186                 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
 187                 prq_rds[i].ring_kind = cpu_to_le32(i);
 188                 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
 189         }
 190
 191         prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
 192                         le32_to_cpu(prq->sds_ring_offset));
 193
 194         for (i = 0; i < nsds_rings; i++) {
 195
 196                 sds_ring = &recv_ctx->sds_rings[i];
 197                 sds_ring->consumer = 0;
 198                 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
 199
 200                 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
 201                 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
 202                 prq_sds[i].msi_index = cpu_to_le16(i);
 203         }
 204
 205         phys_addr = hostrq_phys_addr;
 206         err = qlcnic_issue_cmd(adapter,
 207                         adapter->ahw.pci_func,
 208                         adapter->fw_hal_version,
 209                         (u32)(phys_addr >> 32),
 210                         (u32)(phys_addr & 0xffffffff),
 211                         rq_size,
 212                         QLCNIC_CDRP_CMD_CREATE_RX_CTX);
 213         if (err) {
 214                 dev_err(&adapter->pdev->dev,
 215                         "Failed to create rx ctx in firmware%d\n", err);
 216                 goto out_free_rsp;
 217         }
 218
 219
 220         prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
 221                          &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
 222
 223         for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
 224                 rds_ring = &recv_ctx->rds_rings[i];
 225
 226                 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
 227                 if (adapter->fw_hal_version == QLCNIC_FW_BASE)
 228                         rds_ring->crb_rcv_producer = qlcnic_get_ioaddr(adapter,
 229                                 QLCNIC_REG(reg - 0x200));
 230                 else
 231                         rds_ring->crb_rcv_producer = adapter->ahw.pci_base0 +
 232                                 reg;
 233         }
 234
 235         prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
 236                         &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
 237
 238         for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
 239                 sds_ring = &recv_ctx->sds_rings[i];
 240
 241                 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
 242                 reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
 243
 244                 if (adapter->fw_hal_version == QLCNIC_FW_BASE) {
 245                         sds_ring->crb_sts_consumer = qlcnic_get_ioaddr(adapter,
 246                                 QLCNIC_REG(reg - 0x200));
 247                         sds_ring->crb_intr_mask = qlcnic_get_ioaddr(adapter,
 248                                 QLCNIC_REG(reg2 - 0x200));
 249                 } else {
 250                         sds_ring->crb_sts_consumer = adapter->ahw.pci_base0 +
 251                                 reg;
 252                         sds_ring->crb_intr_mask = adapter->ahw.pci_base0 + reg2;
 253                 }
 254         }
 255
 256         recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
 257         recv_ctx->context_id = le16_to_cpu(prsp->context_id);
 258         recv_ctx->virt_port = prsp->virt_port;
 259
 260 out_free_rsp:
 261         pci_free_consistent(adapter->pdev, rsp_size, prsp, cardrsp_phys_addr);
 262 out_free_rq:
 263         pci_free_consistent(adapter->pdev, rq_size, prq, hostrq_phys_addr);
 264         return err;
 265 }
 266
 267 static void
 268 qlcnic_fw_cmd_destroy_rx_ctx(struct qlcnic_adapter *adapter)
 269 {
 270         struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
 271
 272         if (qlcnic_issue_cmd(adapter,
 273                         adapter->ahw.pci_func,
 274                         adapter->fw_hal_version,
 275                         recv_ctx->context_id,
 276                         QLCNIC_DESTROY_CTX_RESET,
 277                         0,
 278                         QLCNIC_CDRP_CMD_DESTROY_RX_CTX)) {
 279
 280                 dev_err(&adapter->pdev->dev,
 281                         "Failed to destroy rx ctx in firmware\n");
 282         }
 283
 284         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 285 }
 286
 287 static int
 288 qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter)
 289 {
 290         struct qlcnic_hostrq_tx_ctx     *prq;
 291         struct qlcnic_hostrq_cds_ring   *prq_cds;
 292         struct qlcnic_cardrsp_tx_ctx    *prsp;
 293         void    *rq_addr, *rsp_addr;
 294         size_t  rq_size, rsp_size;
 295         u32     temp;
 296         int     err;
 297         u64     phys_addr;
 298         dma_addr_t      rq_phys_addr, rsp_phys_addr;
 299         struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
 300
 301         /* reset host resources */
 302         tx_ring->producer = 0;
 303         tx_ring->sw_consumer = 0;
 304         *(tx_ring->hw_consumer) = 0;
 305
 306         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
 307         rq_addr = pci_alloc_consistent(adapter->pdev,
 308                 rq_size, &rq_phys_addr);
 309         if (!rq_addr)
 310                 return -ENOMEM;
 311
 312         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
 313         rsp_addr = pci_alloc_consistent(adapter->pdev,
 314                 rsp_size, &rsp_phys_addr);
 315         if (!rsp_addr) {
 316                 err = -ENOMEM;
 317                 goto out_free_rq;
 318         }
 319
 320         memset(rq_addr, 0, rq_size);
 321         prq = (struct qlcnic_hostrq_tx_ctx *)rq_addr;
 322
 323         memset(rsp_addr, 0, rsp_size);
 324         prsp = (struct qlcnic_cardrsp_tx_ctx *)rsp_addr;
 325
 326         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 327
 328         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 329                                         QLCNIC_CAP0_LSO);
 330         prq->capabilities[0] = cpu_to_le32(temp);
 331
 332         prq->host_int_crb_mode =
 333                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 334
 335         prq->interrupt_ctl = 0;
 336         prq->msi_index = 0;
 337         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 338
 339         prq_cds = &prq->cds_ring;
 340
 341         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 342         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 343
 344         phys_addr = rq_phys_addr;
 345         err = qlcnic_issue_cmd(adapter,
 346                         adapter->ahw.pci_func,
 347                         adapter->fw_hal_version,
 348                         (u32)(phys_addr >> 32),
 349                         ((u32)phys_addr & 0xffffffff),
 350                         rq_size,
 351                         QLCNIC_CDRP_CMD_CREATE_TX_CTX);
 352
 353         if (err == QLCNIC_RCODE_SUCCESS) {
 354                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 355                 if (adapter->fw_hal_version == QLCNIC_FW_BASE)
 356                         tx_ring->crb_cmd_producer = qlcnic_get_ioaddr(adapter,
 357                                 QLCNIC_REG(temp - 0x200));
 358                 else
 359                         tx_ring->crb_cmd_producer = adapter->ahw.pci_base0 +
 360                                 temp;
 361
 362                 adapter->tx_context_id =
 363                         le16_to_cpu(prsp->context_id);
 364         } else {
 365                 dev_err(&adapter->pdev->dev,
 366                         "Failed to create tx ctx in firmware%d\n", err);
 367                 err = -EIO;
 368         }
 369
 370         pci_free_consistent(adapter->pdev, rsp_size, rsp_addr, rsp_phys_addr);
 371
 372 out_free_rq:
 373         pci_free_consistent(adapter->pdev, rq_size, rq_addr, rq_phys_addr);
 374
 375         return err;
 376 }
 377
 378 static void
 379 qlcnic_fw_cmd_destroy_tx_ctx(struct qlcnic_adapter *adapter)
 380 {
 381         if (qlcnic_issue_cmd(adapter,
 382                         adapter->ahw.pci_func,
 383                         adapter->fw_hal_version,
 384                         adapter->tx_context_id,
 385                         QLCNIC_DESTROY_CTX_RESET,
 386                         0,
 387                         QLCNIC_CDRP_CMD_DESTROY_TX_CTX)) {
 388
 389                 dev_err(&adapter->pdev->dev,
 390                         "Failed to destroy tx ctx in firmware\n");
 391         }
 392 }
 393
 394 int
 395 qlcnic_fw_cmd_query_phy(struct qlcnic_adapter *adapter, u32 reg, u32 *val)
 396 {
 397
 398         if (qlcnic_issue_cmd(adapter,
 399                         adapter->ahw.pci_func,
 400                         adapter->fw_hal_version,
 401                         reg,
 402                         0,
 403                         0,
 404                         QLCNIC_CDRP_CMD_READ_PHY)) {
 405
 406                 return -EIO;
 407         }
 408
 409         return QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
 410 }
 411
 412 int
 413 qlcnic_fw_cmd_set_phy(struct qlcnic_adapter *adapter, u32 reg, u32 val)
 414 {
 415         return qlcnic_issue_cmd(adapter,
 416                         adapter->ahw.pci_func,
 417                         adapter->fw_hal_version,
 418                         reg,
 419                         val,
 420                         0,
 421                         QLCNIC_CDRP_CMD_WRITE_PHY);
 422 }
 423
 424 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 425 {
 426         void *addr;
 427         int err;
 428         int ring;
 429         struct qlcnic_recv_context *recv_ctx;
 430         struct qlcnic_host_rds_ring *rds_ring;
 431         struct qlcnic_host_sds_ring *sds_ring;
 432         struct qlcnic_host_tx_ring *tx_ring;
 433
 434         struct pci_dev *pdev = adapter->pdev;
 435
 436         recv_ctx = &adapter->recv_ctx;
 437         tx_ring = adapter->tx_ring;
 438
 439         tx_ring->hw_consumer = (__le32 *)pci_alloc_consistent(pdev, sizeof(u32),
 440                                                 &tx_ring->hw_cons_phys_addr);
 441         if (tx_ring->hw_consumer == NULL) {
 442                 dev_err(&pdev->dev, "failed to allocate tx consumer\n");
 443                 return -ENOMEM;
 444         }
 445         *(tx_ring->hw_consumer) = 0;
 446
 447         /* cmd desc ring */
 448         addr = pci_alloc_consistent(pdev, TX_DESC_RINGSIZE(tx_ring),
 449                         &tx_ring->phys_addr);
 450
 451         if (addr == NULL) {
 452                 dev_err(&pdev->dev, "failed to allocate tx desc ring\n");
 453                 err = -ENOMEM;
 454                 goto err_out_free;
 455         }
 456
 457         tx_ring->desc_head = (struct cmd_desc_type0 *)addr;
 458
 459         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 460                 rds_ring = &recv_ctx->rds_rings[ring];
 461                 addr = pci_alloc_consistent(adapter->pdev,
 462                                 RCV_DESC_RINGSIZE(rds_ring),
 463                                 &rds_ring->phys_addr);
 464                 if (addr == NULL) {
 465                         dev_err(&pdev->dev,
 466                                 "failed to allocate rds ring [%d]\n", ring);
 467                         err = -ENOMEM;
 468                         goto err_out_free;
 469                 }
 470                 rds_ring->desc_head = (struct rcv_desc *)addr;
 471
 472         }
 473
 474         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 475                 sds_ring = &recv_ctx->sds_rings[ring];
 476
 477                 addr = pci_alloc_consistent(adapter->pdev,
 478                                 STATUS_DESC_RINGSIZE(sds_ring),
 479                                 &sds_ring->phys_addr);
 480                 if (addr == NULL) {
 481                         dev_err(&pdev->dev,
 482                                 "failed to allocate sds ring [%d]\n", ring);
 483                         err = -ENOMEM;
 484                         goto err_out_free;
 485                 }
 486                 sds_ring->desc_head = (struct status_desc *)addr;
 487         }
 488
 489         return 0;
 490
 491 err_out_free:
 492         qlcnic_free_hw_resources(adapter);
 493         return err;
 494 }
 495
 496
 497 int qlcnic_fw_create_ctx(struct qlcnic_adapter *adapter)
 498 {
 499         int err;
 500
 501         err = qlcnic_fw_cmd_create_rx_ctx(adapter);
 502         if (err)
 503                 return err;
 504
 505         err = qlcnic_fw_cmd_create_tx_ctx(adapter);
 506         if (err) {
 507                 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
 508                 return err;
 509         }
 510
 511         set_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
 512         return 0;
 513 }
 514
 515 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 516 {
 517         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 518                 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
 519                 qlcnic_fw_cmd_destroy_tx_ctx(adapter);
 520
 521                 /* Allow dma queues to drain after context reset */
 522                 msleep(20);
 523         }
 524 }
 525
 526 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 527 {
 528         struct qlcnic_recv_context *recv_ctx;
 529         struct qlcnic_host_rds_ring *rds_ring;
 530         struct qlcnic_host_sds_ring *sds_ring;
 531         struct qlcnic_host_tx_ring *tx_ring;
 532         int ring;
 533
 534         recv_ctx = &adapter->recv_ctx;
 535
 536         tx_ring = adapter->tx_ring;
 537         if (tx_ring->hw_consumer != NULL) {
 538                 pci_free_consistent(adapter->pdev,
 539                                 sizeof(u32),
 540                                 tx_ring->hw_consumer,
 541                                 tx_ring->hw_cons_phys_addr);
 542                 tx_ring->hw_consumer = NULL;
 543         }
 544
 545         if (tx_ring->desc_head != NULL) {
 546                 pci_free_consistent(adapter->pdev,
 547                                 TX_DESC_RINGSIZE(tx_ring),
 548                                 tx_ring->desc_head, tx_ring->phys_addr);
 549                 tx_ring->desc_head = NULL;
 550         }
 551
 552         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 553                 rds_ring = &recv_ctx->rds_rings[ring];
 554
 555                 if (rds_ring->desc_head != NULL) {
 556                         pci_free_consistent(adapter->pdev,
 557                                         RCV_DESC_RINGSIZE(rds_ring),
 558                                         rds_ring->desc_head,
 559                                         rds_ring->phys_addr);
 560                         rds_ring->desc_head = NULL;
 561                 }
 562         }
 563
 564         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 565                 sds_ring = &recv_ctx->sds_rings[ring];
 566
 567                 if (sds_ring->desc_head != NULL) {
 568                         pci_free_consistent(adapter->pdev,
 569                                 STATUS_DESC_RINGSIZE(sds_ring),
 570                                 sds_ring->desc_head,
 571                                 sds_ring->phys_addr);
 572                         sds_ring->desc_head = NULL;
 573                 }
 574         }
 575 }
 576
 577 /* Set MAC address of a NIC partition */
 578 int qlcnic_set_mac_address(struct qlcnic_adapter *adapter, u8* mac)
 579 {
 580         int err = 0;
 581         u32 arg1, arg2, arg3;
 582
 583         arg1 = adapter->ahw.pci_func | BIT_9;
 584         arg2 = mac[0] | (mac[1] << 8) | (mac[2] << 16) | (mac[3] << 24);
 585         arg3 = mac[4] | (mac[5] << 16);
 586
 587         err = qlcnic_issue_cmd(adapter,
 588                         adapter->ahw.pci_func,
 589                         adapter->fw_hal_version,
 590                         arg1,
 591                         arg2,
 592                         arg3,
 593                         QLCNIC_CDRP_CMD_MAC_ADDRESS);
 594
 595         if (err != QLCNIC_RCODE_SUCCESS) {
 596                 dev_err(&adapter->pdev->dev,
 597                         "Failed to set mac address%d\n", err);
 598                 err = -EIO;
 599         }
 600
 601         return err;
 602 }
 603
 604 /* Get MAC address of a NIC partition */
 605 int qlcnic_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
 606 {
 607         int err;
 608         u32 arg1;
 609
 610         arg1 = adapter->ahw.pci_func | BIT_8;
 611         err = qlcnic_issue_cmd(adapter,
 612                         adapter->ahw.pci_func,
 613                         adapter->fw_hal_version,
 614                         arg1,
 615                         0,
 616                         0,
 617                         QLCNIC_CDRP_CMD_MAC_ADDRESS);
 618
 619         if (err == QLCNIC_RCODE_SUCCESS)
 620                 qlcnic_fetch_mac(adapter, QLCNIC_ARG1_CRB_OFFSET,
 621                                 QLCNIC_ARG2_CRB_OFFSET, 0, mac);
 622         else {
 623                 dev_err(&adapter->pdev->dev,
 624                         "Failed to get mac address%d\n", err);
 625                 err = -EIO;
 626         }
 627
 628         return err;
 629 }
 630
 631 /* Get info of a NIC partition */
 632 int qlcnic_get_nic_info(struct qlcnic_adapter *adapter, u8 func_id)
 633 {
 634         int     err;
 635         dma_addr_t nic_dma_t;
 636         struct qlcnic_info *nic_info;
 637         void *nic_info_addr;
 638         size_t  nic_size = sizeof(struct qlcnic_info);
 639
 640         nic_info_addr = pci_alloc_consistent(adapter->pdev,
 641                 nic_size, &nic_dma_t);
 642         if (!nic_info_addr)
 643                 return -ENOMEM;
 644         memset(nic_info_addr, 0, nic_size);
 645
 646         nic_info = (struct qlcnic_info *) nic_info_addr;
 647         err = qlcnic_issue_cmd(adapter,
 648                         adapter->ahw.pci_func,
 649                         adapter->fw_hal_version,
 650                         MSD(nic_dma_t),
 651                         LSD(nic_dma_t),
 652                         (func_id << 16 | nic_size),
 653                         QLCNIC_CDRP_CMD_GET_NIC_INFO);
 654
 655         if (err == QLCNIC_RCODE_SUCCESS) {
 656                 adapter->physical_port = le16_to_cpu(nic_info->phys_port);
 657                 adapter->switch_mode = le16_to_cpu(nic_info->switch_mode);
 658                 adapter->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 659                 adapter->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 660                 adapter->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 661                 adapter->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 662                 adapter->max_mtu = le16_to_cpu(nic_info->max_mtu);
 663                 adapter->capabilities = le32_to_cpu(nic_info->capabilities);
 664                 adapter->max_mac_filters = nic_info->max_mac_filters;
 665
 666                 if (adapter->capabilities & BIT_6)
 667                         adapter->flags |= QLCNIC_ESWITCH_ENABLED;
 668                 else
 669                         adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
 670
 671                 dev_info(&adapter->pdev->dev,
 672                         "phy port: %d switch_mode: %d,\n"
 673                         "\tmax_tx_q: %d max_rx_q: %d min_tx_bw: 0x%x,\n"
 674                         "\tmax_tx_bw: 0x%x max_mtu:0x%x, capabilities: 0x%x\n",
 675                         adapter->physical_port, adapter->switch_mode,
 676                         adapter->max_tx_ques, adapter->max_rx_ques,
 677                         adapter->min_tx_bw, adapter->max_tx_bw,
 678                         adapter->max_mtu, adapter->capabilities);
 679         } else {
 680                 dev_err(&adapter->pdev->dev,
 681                         "Failed to get nic info%d\n", err);
 682                 err = -EIO;
 683         }
 684
 685         pci_free_consistent(adapter->pdev, nic_size, nic_info_addr, nic_dma_t);
 686         return err;
 687 }
 688
 689 /* Configure a NIC partition */
 690 int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
 691 {
 692         int err = -EIO;
 693         u32 func_state;
 694         dma_addr_t nic_dma_t;
 695         void *nic_info_addr;
 696         struct qlcnic_info *nic_info;
 697         size_t nic_size = sizeof(struct qlcnic_info);
 698
 699         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 700                 return err;
 701
 702         if (qlcnic_api_lock(adapter))
 703                 return err;
 704
 705         func_state = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT);
 706         if (QLC_DEV_CHECK_ACTIVE(func_state, nic->pci_func)) {
 707                 qlcnic_api_unlock(adapter);
 708                 return err;
 709         }
 710
 711         qlcnic_api_unlock(adapter);
 712
 713         nic_info_addr = pci_alloc_consistent(adapter->pdev, nic_size,
 714                         &nic_dma_t);
 715         if (!nic_info_addr)
 716                 return -ENOMEM;
 717
 718         memset(nic_info_addr, 0, nic_size);
 719         nic_info = (struct qlcnic_info *)nic_info_addr;
 720
 721         nic_info->pci_func = cpu_to_le16(nic->pci_func);
 722         nic_info->op_mode = cpu_to_le16(nic->op_mode);
 723         nic_info->phys_port = cpu_to_le16(nic->phys_port);
 724         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 725         nic_info->capabilities = cpu_to_le32(nic->capabilities);
 726         nic_info->max_mac_filters = nic->max_mac_filters;
 727         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 728         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 729         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 730         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 731
 732         err = qlcnic_issue_cmd(adapter,
 733                         adapter->ahw.pci_func,
 734                         adapter->fw_hal_version,
 735                         MSD(nic_dma_t),
 736                         LSD(nic_dma_t),
 737                         nic_size,
 738                         QLCNIC_CDRP_CMD_SET_NIC_INFO);
 739
 740         if (err != QLCNIC_RCODE_SUCCESS) {
 741                 dev_err(&adapter->pdev->dev,
 742                         "Failed to set nic info%d\n", err);
 743                 err = -EIO;
 744         }
 745
 746         pci_free_consistent(adapter->pdev, nic_size, nic_info_addr, nic_dma_t);
 747         return err;
 748 }
 749
 750 /* Get PCI Info of a partition */
 751 int qlcnic_get_pci_info(struct qlcnic_adapter *adapter)
 752 {
 753         int err = 0, i;
 754         dma_addr_t pci_info_dma_t;
 755         struct qlcnic_pci_info *npar;
 756         void *pci_info_addr;
 757         size_t npar_size = sizeof(struct qlcnic_pci_info);
 758         size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
 759
 760         pci_info_addr = pci_alloc_consistent(adapter->pdev, pci_size,
 761                         &pci_info_dma_t);
 762         if (!pci_info_addr)
 763                 return -ENOMEM;
 764         memset(pci_info_addr, 0, pci_size);
 765
 766         if (!adapter->npars)
 767                 adapter->npars = kzalloc(pci_size, GFP_KERNEL);
 768         if (!adapter->npars) {
 769                 err = -ENOMEM;
 770                 goto err_npar;
 771         }
 772
 773         if (!adapter->eswitch)
 774                 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
 775                                 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
 776         if (!adapter->eswitch) {
 777                 err = -ENOMEM;
 778                 goto err_eswitch;
 779         }
 780
 781         npar = (struct qlcnic_pci_info *) pci_info_addr;
 782         err = qlcnic_issue_cmd(adapter,
 783                         adapter->ahw.pci_func,
 784                         adapter->fw_hal_version,
 785                         MSD(pci_info_dma_t),
 786                         LSD(pci_info_dma_t),
 787                         pci_size,
 788                         QLCNIC_CDRP_CMD_GET_PCI_INFO);
 789
 790         if (err == QLCNIC_RCODE_SUCCESS) {
 791                 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++) {
 792                         adapter->npars[i].id = le32_to_cpu(npar->id);
 793                         adapter->npars[i].active = le32_to_cpu(npar->active);
 794                         adapter->npars[i].type = le32_to_cpu(npar->type);
 795                         adapter->npars[i].default_port =
 796                                 le32_to_cpu(npar->default_port);
 797                         adapter->npars[i].tx_min_bw =
 798                                 le32_to_cpu(npar->tx_min_bw);
 799                         adapter->npars[i].tx_max_bw =
 800                                 le32_to_cpu(npar->tx_max_bw);
 801                         memcpy(adapter->npars[i].mac, npar->mac, ETH_ALEN);
 802                 }
 803         } else {
 804                 dev_err(&adapter->pdev->dev,
 805                         "Failed to get PCI Info%d\n", err);
 806                 kfree(adapter->npars);
 807                 err = -EIO;
 808         }
 809         goto err_npar;
 810
 811 err_eswitch:
 812         kfree(adapter->npars);
 813         adapter->npars = NULL;
 814
 815 err_npar:
 816         pci_free_consistent(adapter->pdev, pci_size, pci_info_addr,
 817                 pci_info_dma_t);
 818         return err;
 819 }
 820
 821 /* Reset a NIC partition */
 822
 823 int qlcnic_reset_partition(struct qlcnic_adapter *adapter, u8 func_no)
 824 {
 825         int err = -EIO;
 826
 827         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 828                 return err;
 829
 830         err = qlcnic_issue_cmd(adapter,
 831                         adapter->ahw.pci_func,
 832                         adapter->fw_hal_version,
 833                         func_no,
 834                         0,
 835                         0,
 836                         QLCNIC_CDRP_CMD_RESET_NPAR);
 837
 838         if (err != QLCNIC_RCODE_SUCCESS) {
 839                 dev_err(&adapter->pdev->dev,
 840                         "Failed to issue reset partition%d\n", err);
 841                 err = -EIO;
 842         }
 843
 844         return err;
 845 }
 846
 847 /* Get eSwitch Capabilities */
 848 int qlcnic_get_eswitch_capabilities(struct qlcnic_adapter *adapter, u8 port,
 849                                         struct qlcnic_eswitch *eswitch)
 850 {
 851         int err = -EIO;
 852         u32 arg1, arg2;
 853
 854         if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
 855                 return err;
 856
 857         err = qlcnic_issue_cmd(adapter,
 858                         adapter->ahw.pci_func,
 859                         adapter->fw_hal_version,
 860                         port,
 861                         0,
 862                         0,
 863                         QLCNIC_CDRP_CMD_GET_ESWITCH_CAPABILITY);
 864
 865         if (err == QLCNIC_RCODE_SUCCESS) {
 866                 arg1 = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
 867                 arg2 = QLCRD32(adapter, QLCNIC_ARG2_CRB_OFFSET);
 868
 869                 eswitch->port = arg1 & 0xf;
 870                 eswitch->active_vports = LSB(arg2);
 871                 eswitch->max_ucast_filters = MSB(arg2);
 872                 eswitch->max_active_vlans = LSB(MSW(arg2));
 873                 if (arg1 & BIT_6)
 874                         eswitch->flags |= QLCNIC_SWITCH_VLAN_FILTERING;
 875                 if (arg1 & BIT_7)
 876                         eswitch->flags |= QLCNIC_SWITCH_PROMISC_MODE;
 877                 if (arg1 & BIT_8)
 878                         eswitch->flags |= QLCNIC_SWITCH_PORT_MIRRORING;
 879         } else {
 880                 dev_err(&adapter->pdev->dev,
 881                         "Failed to get eswitch capabilities%d\n", err);
 882         }
 883
 884         return err;
 885 }
 886
 887 /* Get current status of eswitch */
 888 int qlcnic_get_eswitch_status(struct qlcnic_adapter *adapter, u8 port,
 889                                 struct qlcnic_eswitch *eswitch)
 890 {
 891         int err = -EIO;
 892         u32 arg1, arg2;
 893
 894         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 895                 return err;
 896
 897         err = qlcnic_issue_cmd(adapter,
 898                         adapter->ahw.pci_func,
 899                         adapter->fw_hal_version,
 900                         port,
 901                         0,
 902                         0,
 903                         QLCNIC_CDRP_CMD_GET_ESWITCH_STATUS);
 904
 905         if (err == QLCNIC_RCODE_SUCCESS) {
 906                 arg1 = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
 907                 arg2 = QLCRD32(adapter, QLCNIC_ARG2_CRB_OFFSET);
 908
 909                 eswitch->port = arg1 & 0xf;
 910                 eswitch->active_vports = LSB(arg2);
 911                 eswitch->active_ucast_filters = MSB(arg2);
 912                 eswitch->active_vlans = LSB(MSW(arg2));
 913                 if (arg1 & BIT_6)
 914                         eswitch->flags |= QLCNIC_SWITCH_VLAN_FILTERING;
 915                 if (arg1 & BIT_8)
 916                         eswitch->flags |= QLCNIC_SWITCH_PORT_MIRRORING;
 917
 918         } else {
 919                 dev_err(&adapter->pdev->dev,
 920                         "Failed to get eswitch status%d\n", err);
 921         }
 922
 923         return err;
 924 }
 925
 926 /* Enable/Disable eSwitch */
 927 int qlcnic_toggle_eswitch(struct qlcnic_adapter *adapter, u8 id, u8 enable)
 928 {
 929         int err = -EIO;
 930         u32 arg1, arg2;
 931         struct qlcnic_eswitch *eswitch;
 932
 933         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 934                 return err;
 935
 936         eswitch = &adapter->eswitch[id];
 937         if (!eswitch)
 938                 return err;
 939
 940         arg1 = eswitch->port | (enable ? BIT_4 : 0);
 941         arg2 = eswitch->active_vports | (eswitch->max_ucast_filters << 8) |
 942                 (eswitch->max_active_vlans << 16);
 943         err = qlcnic_issue_cmd(adapter,
 944                         adapter->ahw.pci_func,
 945                         adapter->fw_hal_version,
 946                         arg1,
 947                         arg2,
 948                         0,
 949                         QLCNIC_CDRP_CMD_TOGGLE_ESWITCH);
 950
 951         if (err != QLCNIC_RCODE_SUCCESS) {
 952                 dev_err(&adapter->pdev->dev,
 953                         "Failed to enable eswitch%d\n", eswitch->port);
 954                 eswitch->flags &= ~QLCNIC_SWITCH_ENABLE;
 955                 err = -EIO;
 956         } else {
 957                 eswitch->flags |= QLCNIC_SWITCH_ENABLE;
 958                 dev_info(&adapter->pdev->dev,
 959                         "Enabled eSwitch for port %d\n", eswitch->port);
 960         }
 961
 962         return err;
 963 }
 964
 965 /* Configure eSwitch for port mirroring */
 966 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
 967                                 u8 enable_mirroring, u8 pci_func)
 968 {
 969         int err = -EIO;
 970         u32 arg1;
 971
 972         if (adapter->op_mode != QLCNIC_MGMT_FUNC ||
 973                 !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
 974                 return err;
 975
 976         arg1 = id | (enable_mirroring ? BIT_4 : 0);
 977         arg1 |= pci_func << 8;
 978
 979         err = qlcnic_issue_cmd(adapter,
 980                         adapter->ahw.pci_func,
 981                         adapter->fw_hal_version,
 982                         arg1,
 983                         0,
 984                         0,
 985                         QLCNIC_CDRP_CMD_SET_PORTMIRRORING);
 986
 987         if (err != QLCNIC_RCODE_SUCCESS) {
 988                 dev_err(&adapter->pdev->dev,
 989                         "Failed to configure port mirroring%d on eswitch:%d\n",
 990                         pci_func, id);
 991         } else {
 992                 dev_info(&adapter->pdev->dev,
 993                         "Configured eSwitch %d for port mirroring:%d\n",
 994                         id, pci_func);
 995         }
 996
 997         return err;
 998 }
 999
1000 /* Configure eSwitch port */
1001 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter, u8 id,
1002                 int vlan_tagging, u8 discard_tagged, u8 promsc_mode,
1003                 u8 mac_learn, u8 pci_func, u16 vlan_id)
1004 {
1005         int err = -EIO;
1006         u32 arg1;
1007         struct qlcnic_eswitch *eswitch;
1008
1009         if (adapter->op_mode != QLCNIC_MGMT_FUNC)
1010                 return err;
1011
1012         eswitch = &adapter->eswitch[id];
1013         if (!(eswitch->flags & QLCNIC_SWITCH_ENABLE))
1014                 return err;
1015
1016         arg1 = eswitch->port | (discard_tagged ? BIT_4 : 0);
1017         arg1 |= (promsc_mode ? BIT_6 : 0) | (mac_learn ? BIT_7 : 0);
1018         arg1 |= pci_func << 8;
1019         if (vlan_tagging)
1020                 arg1 |= BIT_5 | (vlan_id << 16);
1021
1022         err = qlcnic_issue_cmd(adapter,
1023                         adapter->ahw.pci_func,
1024                         adapter->fw_hal_version,
1025                         arg1,
1026                         0,
1027                         0,
1028                         QLCNIC_CDRP_CMD_CONFIGURE_ESWITCH);
1029
1030         if (err != QLCNIC_RCODE_SUCCESS) {
1031                 dev_err(&adapter->pdev->dev,
1032                         "Failed to configure eswitch port%d\n", eswitch->port);
1033                 eswitch->flags |= QLCNIC_SWITCH_ENABLE;
1034         } else {
1035                 eswitch->flags &= ~QLCNIC_SWITCH_ENABLE;
1036                 dev_info(&adapter->pdev->dev,
1037                         "Configured eSwitch for port %d\n", eswitch->port);
1038         }
1039
1040         return err;
1041 }