drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c

   1 /*
   2  * QLogic qlcnic NIC Driver
   3  * Copyright (c) 2009-2013 QLogic Corporation
   4  *
   5  * See LICENSE.qlcnic for copyright and licensing details.
   6  */
   7
   8 #include "qlcnic.h"
   9
  10 static const struct qlcnic_mailbox_metadata qlcnic_mbx_tbl[] = {
  11         {QLCNIC_CMD_CREATE_RX_CTX, 4, 1},
  12         {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1},
  13         {QLCNIC_CMD_CREATE_TX_CTX, 4, 1},
  14         {QLCNIC_CMD_DESTROY_TX_CTX, 2, 1},
  15         {QLCNIC_CMD_INTRPT_TEST, 4, 1},
  16         {QLCNIC_CMD_SET_MTU, 4, 1},
  17         {QLCNIC_CMD_READ_PHY, 4, 2},
  18         {QLCNIC_CMD_WRITE_PHY, 5, 1},
  19         {QLCNIC_CMD_READ_HW_REG, 4, 1},
  20         {QLCNIC_CMD_GET_FLOW_CTL, 4, 2},
  21         {QLCNIC_CMD_SET_FLOW_CTL, 4, 1},
  22         {QLCNIC_CMD_READ_MAX_MTU, 4, 2},
  23         {QLCNIC_CMD_READ_MAX_LRO, 4, 2},
  24         {QLCNIC_CMD_MAC_ADDRESS, 4, 3},
  25         {QLCNIC_CMD_GET_PCI_INFO, 4, 1},
  26         {QLCNIC_CMD_GET_NIC_INFO, 4, 1},
  27         {QLCNIC_CMD_SET_NIC_INFO, 4, 1},
  28         {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3},
  29         {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1},
  30         {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3},
  31         {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1},
  32         {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1},
  33         {QLCNIC_CMD_GET_MAC_STATS, 4, 1},
  34         {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3},
  35         {QLCNIC_CMD_GET_ESWITCH_STATS, 5, 1},
  36         {QLCNIC_CMD_CONFIG_PORT, 4, 1},
  37         {QLCNIC_CMD_TEMP_SIZE, 4, 4},
  38         {QLCNIC_CMD_GET_TEMP_HDR, 4, 1},
  39         {QLCNIC_CMD_SET_DRV_VER, 4, 1},
  40 };
  41
  42 static inline u32 qlcnic_get_cmd_signature(struct qlcnic_hardware_context *ahw)
  43 {
  44         return (ahw->pci_func & 0xff) | ((ahw->fw_hal_version & 0xff) << 8) |
  45                (0xcafe << 16);
  46 }
  47
  48 /* Allocate mailbox registers */
  49 int qlcnic_82xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
  50                                struct qlcnic_adapter *adapter, u32 type)
  51 {
  52         int i, size;
  53         const struct qlcnic_mailbox_metadata *mbx_tbl;
  54
  55         mbx_tbl = qlcnic_mbx_tbl;
  56         size = ARRAY_SIZE(qlcnic_mbx_tbl);
  57         for (i = 0; i < size; i++) {
  58                 if (type == mbx_tbl[i].cmd) {
  59                         mbx->req.num = mbx_tbl[i].in_args;
  60                         mbx->rsp.num = mbx_tbl[i].out_args;
  61                         mbx->req.arg = kcalloc(mbx->req.num,
  62                                                sizeof(u32), GFP_ATOMIC);
  63                         if (!mbx->req.arg)
  64                                 return -ENOMEM;
  65                         mbx->rsp.arg = kcalloc(mbx->rsp.num,
  66                                                sizeof(u32), GFP_ATOMIC);
  67                         if (!mbx->rsp.arg) {
  68                                 kfree(mbx->req.arg);
  69                                 mbx->req.arg = NULL;
  70                                 return -ENOMEM;
  71                         }
  72                         memset(mbx->req.arg, 0, sizeof(u32) * mbx->req.num);
  73                         memset(mbx->rsp.arg, 0, sizeof(u32) * mbx->rsp.num);
  74                         mbx->req.arg[0] = type;
  75                         break;
  76                 }
  77         }
  78         return 0;
  79 }
  80
  81 /* Free up mailbox registers */
  82 void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd)
  83 {
  84         kfree(cmd->req.arg);
  85         cmd->req.arg = NULL;
  86         kfree(cmd->rsp.arg);
  87         cmd->rsp.arg = NULL;
  88 }
  89
  90 static int qlcnic_is_valid_nic_func(struct qlcnic_adapter *adapter, u8 pci_func)
  91 {
  92         int i;
  93
  94         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
  95                 if (adapter->npars[i].pci_func == pci_func)
  96                         return i;
  97         }
  98
  99         return -1;
 100 }
 101
 102 static u32
 103 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
 104 {
 105         u32 rsp;
 106         int timeout = 0;
 107
 108         do {
 109                 /* give atleast 1ms for firmware to respond */
 110                 mdelay(1);
 111
 112                 if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
 113                         return QLCNIC_CDRP_RSP_TIMEOUT;
 114
 115                 rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET);
 116         } while (!QLCNIC_CDRP_IS_RSP(rsp));
 117
 118         return rsp;
 119 }
 120
 121 int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter,
 122                           struct qlcnic_cmd_args *cmd)
 123 {
 124         int i;
 125         u32 rsp;
 126         u32 signature;
 127         struct pci_dev *pdev = adapter->pdev;
 128         struct qlcnic_hardware_context *ahw = adapter->ahw;
 129         const char *fmt;
 130
 131         signature = qlcnic_get_cmd_signature(ahw);
 132
 133         /* Acquire semaphore before accessing CRB */
 134         if (qlcnic_api_lock(adapter)) {
 135                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 136                 return cmd->rsp.arg[0];
 137         }
 138
 139         QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
 140         for (i = 1; i < QLCNIC_CDRP_MAX_ARGS; i++)
 141                 QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]);
 142         QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
 143                 QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0]));
 144         rsp = qlcnic_poll_rsp(adapter);
 145
 146         if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
 147                 dev_err(&pdev->dev, "card response timeout.\n");
 148                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 149         } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
 150                 cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1));
 151                 switch (cmd->rsp.arg[0]) {
 152                 case QLCNIC_RCODE_INVALID_ARGS:
 153                         fmt = "CDRP invalid args: [%d]\n";
 154                         break;
 155                 case QLCNIC_RCODE_NOT_SUPPORTED:
 156                 case QLCNIC_RCODE_NOT_IMPL:
 157                         fmt = "CDRP command not supported: [%d]\n";
 158                         break;
 159                 case QLCNIC_RCODE_NOT_PERMITTED:
 160                         fmt = "CDRP requested action not permitted: [%d]\n";
 161                         break;
 162                 case QLCNIC_RCODE_INVALID:
 163                         fmt = "CDRP invalid or unknown cmd received: [%d]\n";
 164                         break;
 165                 case QLCNIC_RCODE_TIMEOUT:
 166                         fmt = "CDRP command timeout: [%d]\n";
 167                         break;
 168                 default:
 169                         fmt = "CDRP command failed: [%d]\n";
 170                         break;
 171                 }
 172                 dev_err(&pdev->dev, fmt, cmd->rsp.arg[0]);
 173         } else if (rsp == QLCNIC_CDRP_RSP_OK)
 174                 cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS;
 175
 176         for (i = 1; i < cmd->rsp.num; i++)
 177                 cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i));
 178
 179         /* Release semaphore */
 180         qlcnic_api_unlock(adapter);
 181         return cmd->rsp.arg[0];
 182 }
 183
 184 int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter)
 185 {
 186         struct qlcnic_cmd_args cmd;
 187         u32 arg1, arg2, arg3;
 188         char drv_string[12];
 189         int err = 0;
 190
 191         memset(drv_string, 0, sizeof(drv_string));
 192         snprintf(drv_string, sizeof(drv_string), "%d"".""%d"".""%d",
 193                  _QLCNIC_LINUX_MAJOR, _QLCNIC_LINUX_MINOR,
 194                  _QLCNIC_LINUX_SUBVERSION);
 195
 196         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_DRV_VER);
 197         memcpy(&arg1, drv_string, sizeof(u32));
 198         memcpy(&arg2, drv_string + 4, sizeof(u32));
 199         memcpy(&arg3, drv_string + 8, sizeof(u32));
 200
 201         cmd.req.arg[1] = arg1;
 202         cmd.req.arg[2] = arg2;
 203         cmd.req.arg[3] = arg3;
 204
 205         err = qlcnic_issue_cmd(adapter, &cmd);
 206         if (err) {
 207                 dev_info(&adapter->pdev->dev,
 208                          "Failed to set driver version in firmware\n");
 209                 return -EIO;
 210         }
 211
 212         return 0;
 213 }
 214
 215 int
 216 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
 217 {
 218         int err = 0;
 219         struct qlcnic_cmd_args cmd;
 220         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 221
 222         if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE)
 223                 return err;
 224         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU);
 225         cmd.req.arg[1] = recv_ctx->context_id;
 226         cmd.req.arg[2] = mtu;
 227
 228         err = qlcnic_issue_cmd(adapter, &cmd);
 229         if (err) {
 230                 dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
 231                 err = -EIO;
 232         }
 233         qlcnic_free_mbx_args(&cmd);
 234         return err;
 235 }
 236
 237 int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 238 {
 239         void *addr;
 240         struct qlcnic_hostrq_rx_ctx *prq;
 241         struct qlcnic_cardrsp_rx_ctx *prsp;
 242         struct qlcnic_hostrq_rds_ring *prq_rds;
 243         struct qlcnic_hostrq_sds_ring *prq_sds;
 244         struct qlcnic_cardrsp_rds_ring *prsp_rds;
 245         struct qlcnic_cardrsp_sds_ring *prsp_sds;
 246         struct qlcnic_host_rds_ring *rds_ring;
 247         struct qlcnic_host_sds_ring *sds_ring;
 248         struct qlcnic_cmd_args cmd;
 249
 250         dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
 251         u64 phys_addr;
 252
 253         u8 i, nrds_rings, nsds_rings;
 254         u16 temp_u16;
 255         size_t rq_size, rsp_size;
 256         u32 cap, reg, val, reg2;
 257         int err;
 258
 259         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 260
 261         nrds_rings = adapter->max_rds_rings;
 262         nsds_rings = adapter->max_sds_rings;
 263
 264         rq_size =
 265                 SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
 266                                                 nsds_rings);
 267         rsp_size =
 268                 SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
 269                                                 nsds_rings);
 270
 271         addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 272                         &hostrq_phys_addr, GFP_KERNEL);
 273         if (addr == NULL)
 274                 return -ENOMEM;
 275         prq = addr;
 276
 277         addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 278                         &cardrsp_phys_addr, GFP_KERNEL);
 279         if (addr == NULL) {
 280                 err = -ENOMEM;
 281                 goto out_free_rq;
 282         }
 283         prsp = addr;
 284
 285         prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
 286
 287         cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
 288                                                 | QLCNIC_CAP0_VALIDOFF);
 289         cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
 290
 291         temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler);
 292         prq->valid_field_offset = cpu_to_le16(temp_u16);
 293         prq->txrx_sds_binding = nsds_rings - 1;
 294
 295         prq->capabilities[0] = cpu_to_le32(cap);
 296         prq->host_int_crb_mode =
 297                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 298         prq->host_rds_crb_mode =
 299                 cpu_to_le32(QLCNIC_HOST_RDS_CRB_MODE_UNIQUE);
 300
 301         prq->num_rds_rings = cpu_to_le16(nrds_rings);
 302         prq->num_sds_rings = cpu_to_le16(nsds_rings);
 303         prq->rds_ring_offset = 0;
 304
 305         val = le32_to_cpu(prq->rds_ring_offset) +
 306                 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
 307         prq->sds_ring_offset = cpu_to_le32(val);
 308
 309         prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
 310                         le32_to_cpu(prq->rds_ring_offset));
 311
 312         for (i = 0; i < nrds_rings; i++) {
 313
 314                 rds_ring = &recv_ctx->rds_rings[i];
 315                 rds_ring->producer = 0;
 316
 317                 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
 318                 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
 319                 prq_rds[i].ring_kind = cpu_to_le32(i);
 320                 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
 321         }
 322
 323         prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
 324                         le32_to_cpu(prq->sds_ring_offset));
 325
 326         for (i = 0; i < nsds_rings; i++) {
 327
 328                 sds_ring = &recv_ctx->sds_rings[i];
 329                 sds_ring->consumer = 0;
 330                 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
 331
 332                 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
 333                 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
 334                 prq_sds[i].msi_index = cpu_to_le16(i);
 335         }
 336
 337         phys_addr = hostrq_phys_addr;
 338         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX);
 339         cmd.req.arg[1] = MSD(phys_addr);
 340         cmd.req.arg[2] = LSD(phys_addr);
 341         cmd.req.arg[3] = rq_size;
 342         err = qlcnic_issue_cmd(adapter, &cmd);
 343         if (err) {
 344                 dev_err(&adapter->pdev->dev,
 345                         "Failed to create rx ctx in firmware%d\n", err);
 346                 goto out_free_rsp;
 347         }
 348
 349         prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
 350                          &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
 351
 352         for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
 353                 rds_ring = &recv_ctx->rds_rings[i];
 354
 355                 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
 356                 rds_ring->crb_rcv_producer = adapter->ahw->pci_base0 + reg;
 357         }
 358
 359         prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
 360                         &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
 361
 362         for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
 363                 sds_ring = &recv_ctx->sds_rings[i];
 364
 365                 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
 366                 reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
 367
 368                 sds_ring->crb_sts_consumer = adapter->ahw->pci_base0 + reg;
 369                 sds_ring->crb_intr_mask = adapter->ahw->pci_base0 + reg2;
 370         }
 371
 372         recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
 373         recv_ctx->context_id = le16_to_cpu(prsp->context_id);
 374         recv_ctx->virt_port = prsp->virt_port;
 375
 376 out_free_rsp:
 377         dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
 378                 cardrsp_phys_addr);
 379         qlcnic_free_mbx_args(&cmd);
 380 out_free_rq:
 381         dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
 382         return err;
 383 }
 384
 385 static void
 386 qlcnic_fw_cmd_destroy_rx_ctx(struct qlcnic_adapter *adapter)
 387 {
 388         int err;
 389         struct qlcnic_cmd_args cmd;
 390         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 391
 392         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX);
 393         cmd.req.arg[1] = recv_ctx->context_id;
 394         err = qlcnic_issue_cmd(adapter, &cmd);
 395         if (err)
 396                 dev_err(&adapter->pdev->dev,
 397                         "Failed to destroy rx ctx in firmware\n");
 398
 399         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 400         qlcnic_free_mbx_args(&cmd);
 401 }
 402
 403 int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
 404                                      struct qlcnic_host_tx_ring *tx_ring,
 405                                      int ring)
 406 {
 407         struct qlcnic_hostrq_tx_ctx     *prq;
 408         struct qlcnic_hostrq_cds_ring   *prq_cds;
 409         struct qlcnic_cardrsp_tx_ctx    *prsp;
 410         void    *rq_addr, *rsp_addr;
 411         size_t  rq_size, rsp_size;
 412         u32     temp;
 413         struct qlcnic_cmd_args cmd;
 414         int     err;
 415         u64     phys_addr;
 416         dma_addr_t      rq_phys_addr, rsp_phys_addr;
 417
 418         /* reset host resources */
 419         tx_ring->producer = 0;
 420         tx_ring->sw_consumer = 0;
 421         *(tx_ring->hw_consumer) = 0;
 422
 423         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
 424         rq_addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 425                                      &rq_phys_addr, GFP_KERNEL | __GFP_ZERO);
 426         if (!rq_addr)
 427                 return -ENOMEM;
 428
 429         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
 430         rsp_addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 431                                       &rsp_phys_addr, GFP_KERNEL | __GFP_ZERO);
 432         if (!rsp_addr) {
 433                 err = -ENOMEM;
 434                 goto out_free_rq;
 435         }
 436
 437         prq = rq_addr;
 438
 439         prsp = rsp_addr;
 440
 441         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 442
 443         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 444                                         QLCNIC_CAP0_LSO);
 445         prq->capabilities[0] = cpu_to_le32(temp);
 446
 447         prq->host_int_crb_mode =
 448                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 449         prq->msi_index = 0;
 450
 451         prq->interrupt_ctl = 0;
 452         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 453
 454         prq_cds = &prq->cds_ring;
 455
 456         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 457         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 458
 459         phys_addr = rq_phys_addr;
 460
 461         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
 462         cmd.req.arg[1] = MSD(phys_addr);
 463         cmd.req.arg[2] = LSD(phys_addr);
 464         cmd.req.arg[3] = rq_size;
 465         err = qlcnic_issue_cmd(adapter, &cmd);
 466
 467         if (err == QLCNIC_RCODE_SUCCESS) {
 468                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 469                 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
 470                 tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
 471         } else {
 472                 dev_err(&adapter->pdev->dev,
 473                         "Failed to create tx ctx in firmware%d\n", err);
 474                 err = -EIO;
 475         }
 476
 477         dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
 478                           rsp_phys_addr);
 479
 480 out_free_rq:
 481         dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
 482         qlcnic_free_mbx_args(&cmd);
 483
 484         return err;
 485 }
 486
 487 static void
 488 qlcnic_fw_cmd_destroy_tx_ctx(struct qlcnic_adapter *adapter,
 489                              struct qlcnic_host_tx_ring *tx_ring)
 490 {
 491         struct qlcnic_cmd_args cmd;
 492
 493         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
 494         cmd.req.arg[1] = tx_ring->ctx_id;
 495         if (qlcnic_issue_cmd(adapter, &cmd))
 496                 dev_err(&adapter->pdev->dev,
 497                         "Failed to destroy tx ctx in firmware\n");
 498         qlcnic_free_mbx_args(&cmd);
 499 }
 500
 501 int
 502 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
 503 {
 504         int err;
 505         struct qlcnic_cmd_args cmd;
 506
 507         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
 508         cmd.req.arg[1] = config;
 509         err = qlcnic_issue_cmd(adapter, &cmd);
 510         qlcnic_free_mbx_args(&cmd);
 511         return err;
 512 }
 513
 514 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 515 {
 516         void *addr;
 517         int err, ring;
 518         struct qlcnic_recv_context *recv_ctx;
 519         struct qlcnic_host_rds_ring *rds_ring;
 520         struct qlcnic_host_sds_ring *sds_ring;
 521         struct qlcnic_host_tx_ring *tx_ring;
 522         __le32 *ptr;
 523
 524         struct pci_dev *pdev = adapter->pdev;
 525
 526         recv_ctx = adapter->recv_ctx;
 527
 528         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
 529                 tx_ring = &adapter->tx_ring[ring];
 530                 ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
 531                                                    &tx_ring->hw_cons_phys_addr,
 532                                                    GFP_KERNEL);
 533                 if (ptr == NULL)
 534                         return -ENOMEM;
 535
 536                 tx_ring->hw_consumer = ptr;
 537                 /* cmd desc ring */
 538                 addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
 539                                           &tx_ring->phys_addr,
 540                                           GFP_KERNEL);
 541                 if (addr == NULL) {
 542                         err = -ENOMEM;
 543                         goto err_out_free;
 544                 }
 545
 546                 tx_ring->desc_head = addr;
 547         }
 548
 549         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 550                 rds_ring = &recv_ctx->rds_rings[ring];
 551                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 552                                           RCV_DESC_RINGSIZE(rds_ring),
 553                                           &rds_ring->phys_addr, GFP_KERNEL);
 554                 if (addr == NULL) {
 555                         err = -ENOMEM;
 556                         goto err_out_free;
 557                 }
 558                 rds_ring->desc_head = addr;
 559
 560         }
 561
 562         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 563                 sds_ring = &recv_ctx->sds_rings[ring];
 564
 565                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 566                                           STATUS_DESC_RINGSIZE(sds_ring),
 567                                           &sds_ring->phys_addr, GFP_KERNEL);
 568                 if (addr == NULL) {
 569                         err = -ENOMEM;
 570                         goto err_out_free;
 571                 }
 572                 sds_ring->desc_head = addr;
 573         }
 574
 575         return 0;
 576
 577 err_out_free:
 578         qlcnic_free_hw_resources(adapter);
 579         return err;
 580 }
 581
 582 int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev)
 583 {
 584         int i, err, ring;
 585
 586         if (dev->flags & QLCNIC_NEED_FLR) {
 587                 pci_reset_function(dev->pdev);
 588                 dev->flags &= ~QLCNIC_NEED_FLR;
 589         }
 590
 591         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 592                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
 593                         err = qlcnic_83xx_config_intrpt(dev, 1);
 594                         if (err)
 595                                 return err;
 596                 }
 597         }
 598
 599         err = qlcnic_fw_cmd_create_rx_ctx(dev);
 600         if (err)
 601                 goto err_out;
 602
 603         for (ring = 0; ring < dev->max_drv_tx_rings; ring++) {
 604                 err = qlcnic_fw_cmd_create_tx_ctx(dev,
 605                                                   &dev->tx_ring[ring],
 606                                                   ring);
 607                 if (err) {
 608                         qlcnic_fw_cmd_destroy_rx_ctx(dev);
 609                         if (ring == 0)
 610                                 goto err_out;
 611
 612                         for (i = 0; i < ring; i++)
 613                                 qlcnic_fw_cmd_destroy_tx_ctx(dev,
 614                                                              &dev->tx_ring[i]);
 615
 616                         goto err_out;
 617                 }
 618         }
 619
 620         set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
 621         return 0;
 622
 623 err_out:
 624         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 625                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 626                         qlcnic_83xx_config_intrpt(dev, 0);
 627         }
 628         return err;
 629 }
 630
 631 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 632 {
 633         int ring;
 634
 635         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 636                 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
 637                 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++)
 638                         qlcnic_fw_cmd_destroy_tx_ctx(adapter,
 639                                                      &adapter->tx_ring[ring]);
 640
 641                 if (qlcnic_83xx_check(adapter) &&
 642                     (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 643                         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 644                                 qlcnic_83xx_config_intrpt(adapter, 0);
 645                 }
 646                 /* Allow dma queues to drain after context reset */
 647                 mdelay(20);
 648         }
 649 }
 650
 651 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 652 {
 653         struct qlcnic_recv_context *recv_ctx;
 654         struct qlcnic_host_rds_ring *rds_ring;
 655         struct qlcnic_host_sds_ring *sds_ring;
 656         struct qlcnic_host_tx_ring *tx_ring;
 657         int ring;
 658
 659         recv_ctx = adapter->recv_ctx;
 660
 661         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
 662                 tx_ring = &adapter->tx_ring[ring];
 663                 if (tx_ring->hw_consumer != NULL) {
 664                         dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
 665                                           tx_ring->hw_consumer,
 666                                           tx_ring->hw_cons_phys_addr);
 667
 668                         tx_ring->hw_consumer = NULL;
 669                 }
 670
 671                 if (tx_ring->desc_head != NULL) {
 672                         dma_free_coherent(&adapter->pdev->dev,
 673                                           TX_DESC_RINGSIZE(tx_ring),
 674                                           tx_ring->desc_head,
 675                                           tx_ring->phys_addr);
 676                         tx_ring->desc_head = NULL;
 677                 }
 678         }
 679
 680         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 681                 rds_ring = &recv_ctx->rds_rings[ring];
 682
 683                 if (rds_ring->desc_head != NULL) {
 684                         dma_free_coherent(&adapter->pdev->dev,
 685                                         RCV_DESC_RINGSIZE(rds_ring),
 686                                         rds_ring->desc_head,
 687                                         rds_ring->phys_addr);
 688                         rds_ring->desc_head = NULL;
 689                 }
 690         }
 691
 692         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 693                 sds_ring = &recv_ctx->sds_rings[ring];
 694
 695                 if (sds_ring->desc_head != NULL) {
 696                         dma_free_coherent(&adapter->pdev->dev,
 697                                 STATUS_DESC_RINGSIZE(sds_ring),
 698                                 sds_ring->desc_head,
 699                                 sds_ring->phys_addr);
 700                         sds_ring->desc_head = NULL;
 701                 }
 702         }
 703 }
 704
 705
 706 int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
 707 {
 708         int err, i;
 709         struct qlcnic_cmd_args cmd;
 710         u32 mac_low, mac_high;
 711
 712         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
 713         cmd.req.arg[1] = adapter->ahw->pci_func | BIT_8;
 714         err = qlcnic_issue_cmd(adapter, &cmd);
 715
 716         if (err == QLCNIC_RCODE_SUCCESS) {
 717                 mac_low = cmd.rsp.arg[1];
 718                 mac_high = cmd.rsp.arg[2];
 719
 720                 for (i = 0; i < 2; i++)
 721                         mac[i] = (u8) (mac_high >> ((1 - i) * 8));
 722                 for (i = 2; i < 6; i++)
 723                         mac[i] = (u8) (mac_low >> ((5 - i) * 8));
 724         } else {
 725                 dev_err(&adapter->pdev->dev,
 726                         "Failed to get mac address%d\n", err);
 727                 err = -EIO;
 728         }
 729         qlcnic_free_mbx_args(&cmd);
 730         return err;
 731 }
 732
 733 /* Get info of a NIC partition */
 734 int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
 735                              struct qlcnic_info *npar_info, u8 func_id)
 736 {
 737         int     err;
 738         dma_addr_t nic_dma_t;
 739         const struct qlcnic_info_le *nic_info;
 740         void *nic_info_addr;
 741         struct qlcnic_cmd_args cmd;
 742         size_t  nic_size = sizeof(struct qlcnic_info_le);
 743
 744         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 745                                            &nic_dma_t, GFP_KERNEL | __GFP_ZERO);
 746         if (!nic_info_addr)
 747                 return -ENOMEM;
 748
 749         nic_info = nic_info_addr;
 750
 751         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
 752         cmd.req.arg[1] = MSD(nic_dma_t);
 753         cmd.req.arg[2] = LSD(nic_dma_t);
 754         cmd.req.arg[3] = (func_id << 16 | nic_size);
 755         err = qlcnic_issue_cmd(adapter, &cmd);
 756         if (err != QLCNIC_RCODE_SUCCESS) {
 757                 dev_err(&adapter->pdev->dev,
 758                         "Failed to get nic info%d\n", err);
 759                 err = -EIO;
 760         } else {
 761                 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
 762                 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
 763                 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 764                 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 765                 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
 766                 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
 767                 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 768                 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 769                 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
 770                 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 771         }
 772
 773         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 774                           nic_dma_t);
 775         qlcnic_free_mbx_args(&cmd);
 776
 777         return err;
 778 }
 779
 780 /* Configure a NIC partition */
 781 int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter,
 782                              struct qlcnic_info *nic)
 783 {
 784         int err = -EIO;
 785         dma_addr_t nic_dma_t;
 786         void *nic_info_addr;
 787         struct qlcnic_cmd_args cmd;
 788         struct qlcnic_info_le *nic_info;
 789         size_t nic_size = sizeof(struct qlcnic_info_le);
 790
 791         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
 792                 return err;
 793
 794         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 795                                            &nic_dma_t, GFP_KERNEL | __GFP_ZERO);
 796         if (!nic_info_addr)
 797                 return -ENOMEM;
 798
 799         nic_info = nic_info_addr;
 800
 801         nic_info->pci_func = cpu_to_le16(nic->pci_func);
 802         nic_info->op_mode = cpu_to_le16(nic->op_mode);
 803         nic_info->phys_port = cpu_to_le16(nic->phys_port);
 804         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 805         nic_info->capabilities = cpu_to_le32(nic->capabilities);
 806         nic_info->max_mac_filters = nic->max_mac_filters;
 807         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 808         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 809         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 810         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 811
 812         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
 813         cmd.req.arg[1] = MSD(nic_dma_t);
 814         cmd.req.arg[2] = LSD(nic_dma_t);
 815         cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size);
 816         err = qlcnic_issue_cmd(adapter, &cmd);
 817
 818         if (err != QLCNIC_RCODE_SUCCESS) {
 819                 dev_err(&adapter->pdev->dev,
 820                         "Failed to set nic info%d\n", err);
 821                 err = -EIO;
 822         }
 823
 824         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 825                 nic_dma_t);
 826         qlcnic_free_mbx_args(&cmd);
 827
 828         return err;
 829 }
 830
 831 /* Get PCI Info of a partition */
 832 int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter,
 833                              struct qlcnic_pci_info *pci_info)
 834 {
 835         int err = 0, i;
 836         struct qlcnic_cmd_args cmd;
 837         dma_addr_t pci_info_dma_t;
 838         struct qlcnic_pci_info_le *npar;
 839         void *pci_info_addr;
 840         size_t npar_size = sizeof(struct qlcnic_pci_info_le);
 841         size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
 842
 843         pci_info_addr = dma_alloc_coherent(&adapter->pdev->dev, pci_size,
 844                                            &pci_info_dma_t,
 845                                            GFP_KERNEL | __GFP_ZERO);
 846         if (!pci_info_addr)
 847                 return -ENOMEM;
 848
 849         npar = pci_info_addr;
 850         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
 851         cmd.req.arg[1] = MSD(pci_info_dma_t);
 852         cmd.req.arg[2] = LSD(pci_info_dma_t);
 853         cmd.req.arg[3] = pci_size;
 854         err = qlcnic_issue_cmd(adapter, &cmd);
 855
 856         adapter->ahw->act_pci_func = 0;
 857         if (err == QLCNIC_RCODE_SUCCESS) {
 858                 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) {
 859                         pci_info->id = le16_to_cpu(npar->id);
 860                         pci_info->active = le16_to_cpu(npar->active);
 861                         pci_info->type = le16_to_cpu(npar->type);
 862                         if (pci_info->type == QLCNIC_TYPE_NIC)
 863                                 adapter->ahw->act_pci_func++;
 864                         pci_info->default_port =
 865                                 le16_to_cpu(npar->default_port);
 866                         pci_info->tx_min_bw =
 867                                 le16_to_cpu(npar->tx_min_bw);
 868                         pci_info->tx_max_bw =
 869                                 le16_to_cpu(npar->tx_max_bw);
 870                         memcpy(pci_info->mac, npar->mac, ETH_ALEN);
 871                 }
 872         } else {
 873                 dev_err(&adapter->pdev->dev,
 874                         "Failed to get PCI Info%d\n", err);
 875                 err = -EIO;
 876         }
 877
 878         dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
 879                 pci_info_dma_t);
 880         qlcnic_free_mbx_args(&cmd);
 881
 882         return err;
 883 }
 884
 885 /* Configure eSwitch for port mirroring */
 886 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
 887                                 u8 enable_mirroring, u8 pci_func)
 888 {
 889         int err = -EIO;
 890         u32 arg1;
 891         struct qlcnic_cmd_args cmd;
 892
 893         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
 894             !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
 895                 return err;
 896
 897         arg1 = id | (enable_mirroring ? BIT_4 : 0);
 898         arg1 |= pci_func << 8;
 899
 900         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_PORTMIRRORING);
 901         cmd.req.arg[1] = arg1;
 902         err = qlcnic_issue_cmd(adapter, &cmd);
 903
 904         if (err != QLCNIC_RCODE_SUCCESS)
 905                 dev_err(&adapter->pdev->dev,
 906                         "Failed to configure port mirroring%d on eswitch:%d\n",
 907                         pci_func, id);
 908         else
 909                 dev_info(&adapter->pdev->dev,
 910                         "Configured eSwitch %d for port mirroring:%d\n",
 911                         id, pci_func);
 912         qlcnic_free_mbx_args(&cmd);
 913
 914         return err;
 915 }
 916
 917 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
 918                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
 919
 920         size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
 921         struct qlcnic_esw_stats_le *stats;
 922         dma_addr_t stats_dma_t;
 923         void *stats_addr;
 924         u32 arg1;
 925         struct qlcnic_cmd_args cmd;
 926         int err;
 927
 928         if (esw_stats == NULL)
 929                 return -ENOMEM;
 930
 931         if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
 932             (func != adapter->ahw->pci_func)) {
 933                 dev_err(&adapter->pdev->dev,
 934                         "Not privilege to query stats for func=%d", func);
 935                 return -EIO;
 936         }
 937
 938         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
 939                                         &stats_dma_t, GFP_KERNEL | __GFP_ZERO);
 940         if (!stats_addr)
 941                 return -ENOMEM;
 942
 943         arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
 944         arg1 |= rx_tx << 15 | stats_size << 16;
 945
 946         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_ESWITCH_STATS);
 947         cmd.req.arg[1] = arg1;
 948         cmd.req.arg[2] = MSD(stats_dma_t);
 949         cmd.req.arg[3] = LSD(stats_dma_t);
 950         err = qlcnic_issue_cmd(adapter, &cmd);
 951
 952         if (!err) {
 953                 stats = stats_addr;
 954                 esw_stats->context_id = le16_to_cpu(stats->context_id);
 955                 esw_stats->version = le16_to_cpu(stats->version);
 956                 esw_stats->size = le16_to_cpu(stats->size);
 957                 esw_stats->multicast_frames =
 958                                 le64_to_cpu(stats->multicast_frames);
 959                 esw_stats->broadcast_frames =
 960                                 le64_to_cpu(stats->broadcast_frames);
 961                 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
 962                 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
 963                 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
 964                 esw_stats->errors = le64_to_cpu(stats->errors);
 965                 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
 966         }
 967
 968         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
 969                 stats_dma_t);
 970         qlcnic_free_mbx_args(&cmd);
 971
 972         return err;
 973 }
 974
 975 /* This routine will retrieve the MAC statistics from firmware */
 976 int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
 977                 struct qlcnic_mac_statistics *mac_stats)
 978 {
 979         struct qlcnic_mac_statistics_le *stats;
 980         struct qlcnic_cmd_args cmd;
 981         size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
 982         dma_addr_t stats_dma_t;
 983         void *stats_addr;
 984         int err;
 985
 986         if (mac_stats == NULL)
 987                 return -ENOMEM;
 988
 989         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
 990                                         &stats_dma_t, GFP_KERNEL | __GFP_ZERO);
 991         if (!stats_addr)
 992                 return -ENOMEM;
 993
 994         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS);
 995         cmd.req.arg[1] = stats_size << 16;
 996         cmd.req.arg[2] = MSD(stats_dma_t);
 997         cmd.req.arg[3] = LSD(stats_dma_t);
 998         err = qlcnic_issue_cmd(adapter, &cmd);
 999         if (!err) {
1000                 stats = stats_addr;
1001                 mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
1002                 mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
1003                 mac_stats->mac_tx_mcast_pkts =
1004                                         le64_to_cpu(stats->mac_tx_mcast_pkts);
1005                 mac_stats->mac_tx_bcast_pkts =
1006                                         le64_to_cpu(stats->mac_tx_bcast_pkts);
1007                 mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
1008                 mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
1009                 mac_stats->mac_rx_mcast_pkts =
1010                                         le64_to_cpu(stats->mac_rx_mcast_pkts);
1011                 mac_stats->mac_rx_length_error =
1012                                 le64_to_cpu(stats->mac_rx_length_error);
1013                 mac_stats->mac_rx_length_small =
1014                                 le64_to_cpu(stats->mac_rx_length_small);
1015                 mac_stats->mac_rx_length_large =
1016                                 le64_to_cpu(stats->mac_rx_length_large);
1017                 mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
1018                 mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
1019                 mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
1020         } else {
1021                 dev_err(&adapter->pdev->dev,
1022                         "%s: Get mac stats failed, err=%d.\n", __func__, err);
1023         }
1024
1025         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1026                 stats_dma_t);
1027
1028         qlcnic_free_mbx_args(&cmd);
1029
1030         return err;
1031 }
1032
1033 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
1034                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1035
1036         struct __qlcnic_esw_statistics port_stats;
1037         u8 i;
1038         int ret = -EIO;
1039
1040         if (esw_stats == NULL)
1041                 return -ENOMEM;
1042         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1043                 return -EIO;
1044         if (adapter->npars == NULL)
1045                 return -EIO;
1046
1047         memset(esw_stats, 0, sizeof(u64));
1048         esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
1049         esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
1050         esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
1051         esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
1052         esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
1053         esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
1054         esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
1055         esw_stats->context_id = eswitch;
1056
1057         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1058                 if (adapter->npars[i].phy_port != eswitch)
1059                         continue;
1060
1061                 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
1062                 if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
1063                                           rx_tx, &port_stats))
1064                         continue;
1065
1066                 esw_stats->size = port_stats.size;
1067                 esw_stats->version = port_stats.version;
1068                 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
1069                                                 port_stats.unicast_frames);
1070                 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
1071                                                 port_stats.multicast_frames);
1072                 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
1073                                                 port_stats.broadcast_frames);
1074                 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
1075                                                 port_stats.dropped_frames);
1076                 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
1077                                                 port_stats.errors);
1078                 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
1079                                                 port_stats.local_frames);
1080                 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
1081                                                 port_stats.numbytes);
1082                 ret = 0;
1083         }
1084         return ret;
1085 }
1086
1087 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
1088                 const u8 port, const u8 rx_tx)
1089 {
1090         int err;
1091         u32 arg1;
1092         struct qlcnic_cmd_args cmd;
1093
1094         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1095                 return -EIO;
1096
1097         if (func_esw == QLCNIC_STATS_PORT) {
1098                 if (port >= QLCNIC_MAX_PCI_FUNC)
1099                         goto err_ret;
1100         } else if (func_esw == QLCNIC_STATS_ESWITCH) {
1101                 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
1102                         goto err_ret;
1103         } else {
1104                 goto err_ret;
1105         }
1106
1107         if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
1108                 goto err_ret;
1109
1110         arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
1111         arg1 |= BIT_14 | rx_tx << 15;
1112
1113         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_ESWITCH_STATS);
1114         cmd.req.arg[1] = arg1;
1115         err = qlcnic_issue_cmd(adapter, &cmd);
1116         qlcnic_free_mbx_args(&cmd);
1117         return err;
1118
1119 err_ret:
1120         dev_err(&adapter->pdev->dev,
1121                 "Invalid args func_esw %d port %d rx_ctx %d\n",
1122                 func_esw, port, rx_tx);
1123         return -EIO;
1124 }
1125
1126 static int
1127 __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1128                                         u32 *arg1, u32 *arg2)
1129 {
1130         int err = -EIO;
1131         struct qlcnic_cmd_args cmd;
1132         u8 pci_func;
1133         pci_func = (*arg1 >> 8);
1134
1135         qlcnic_alloc_mbx_args(&cmd, adapter,
1136                               QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG);
1137         cmd.req.arg[1] = *arg1;
1138         err = qlcnic_issue_cmd(adapter, &cmd);
1139         *arg1 = cmd.rsp.arg[1];
1140         *arg2 = cmd.rsp.arg[2];
1141         qlcnic_free_mbx_args(&cmd);
1142
1143         if (err == QLCNIC_RCODE_SUCCESS)
1144                 dev_info(&adapter->pdev->dev,
1145                          "eSwitch port config for pci func %d\n", pci_func);
1146         else
1147                 dev_err(&adapter->pdev->dev,
1148                         "Failed to get eswitch port config for pci func %d\n",
1149                                                                 pci_func);
1150         return err;
1151 }
1152 /* Configure eSwitch port
1153 op_mode = 0 for setting default port behavior
1154 op_mode = 1 for setting  vlan id
1155 op_mode = 2 for deleting vlan id
1156 op_type = 0 for vlan_id
1157 op_type = 1 for port vlan_id
1158 */
1159 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1160                 struct qlcnic_esw_func_cfg *esw_cfg)
1161 {
1162         int err = -EIO, index;
1163         u32 arg1, arg2 = 0;
1164         struct qlcnic_cmd_args cmd;
1165         u8 pci_func;
1166
1167         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1168                 return err;
1169         pci_func = esw_cfg->pci_func;
1170         index = qlcnic_is_valid_nic_func(adapter, pci_func);
1171         if (index < 0)
1172                 return err;
1173         arg1 = (adapter->npars[index].phy_port & BIT_0);
1174         arg1 |= (pci_func << 8);
1175
1176         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1177                 return err;
1178         arg1 &= ~(0x0ff << 8);
1179         arg1 |= (pci_func << 8);
1180         arg1 &= ~(BIT_2 | BIT_3);
1181         switch (esw_cfg->op_mode) {
1182         case QLCNIC_PORT_DEFAULTS:
1183                 arg1 |= (BIT_4 | BIT_6 | BIT_7);
1184                 arg2 |= (BIT_0 | BIT_1);
1185                 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1186                         arg2 |= (BIT_2 | BIT_3);
1187                 if (!(esw_cfg->discard_tagged))
1188                         arg1 &= ~BIT_4;
1189                 if (!(esw_cfg->promisc_mode))
1190                         arg1 &= ~BIT_6;
1191                 if (!(esw_cfg->mac_override))
1192                         arg1 &= ~BIT_7;
1193                 if (!(esw_cfg->mac_anti_spoof))
1194                         arg2 &= ~BIT_0;
1195                 if (!(esw_cfg->offload_flags & BIT_0))
1196                         arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1197                 if (!(esw_cfg->offload_flags & BIT_1))
1198                         arg2 &= ~BIT_2;
1199                 if (!(esw_cfg->offload_flags & BIT_2))
1200                         arg2 &= ~BIT_3;
1201                 break;
1202         case QLCNIC_ADD_VLAN:
1203                         arg1 |= (BIT_2 | BIT_5);
1204                         arg1 |= (esw_cfg->vlan_id << 16);
1205                         break;
1206         case QLCNIC_DEL_VLAN:
1207                         arg1 |= (BIT_3 | BIT_5);
1208                         arg1 &= ~(0x0ffff << 16);
1209                         break;
1210         default:
1211                 return err;
1212         }
1213
1214         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_ESWITCH);
1215         cmd.req.arg[1] = arg1;
1216         cmd.req.arg[2] = arg2;
1217         err = qlcnic_issue_cmd(adapter, &cmd);
1218         qlcnic_free_mbx_args(&cmd);
1219
1220         if (err != QLCNIC_RCODE_SUCCESS)
1221                 dev_err(&adapter->pdev->dev,
1222                         "Failed to configure eswitch pci func %d\n", pci_func);
1223         else
1224                 dev_info(&adapter->pdev->dev,
1225                          "Configured eSwitch for pci func %d\n", pci_func);
1226
1227         return err;
1228 }
1229
1230 int
1231 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1232                         struct qlcnic_esw_func_cfg *esw_cfg)
1233 {
1234         u32 arg1, arg2;
1235         int index;
1236         u8 phy_port;
1237
1238         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
1239                 index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
1240                 if (index < 0)
1241                         return -EIO;
1242                 phy_port = adapter->npars[index].phy_port;
1243         } else {
1244                 phy_port = adapter->ahw->physical_port;
1245         }
1246         arg1 = phy_port;
1247         arg1 |= (esw_cfg->pci_func << 8);
1248         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1249                 return -EIO;
1250
1251         esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1252         esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1253         esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1254         esw_cfg->mac_override = !!(arg1 & BIT_7);
1255         esw_cfg->vlan_id = LSW(arg1 >> 16);
1256         esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1257         esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1258
1259         return 0;
1260 }