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 void qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter)
 386 {
 387         int err;
 388         struct qlcnic_cmd_args cmd;
 389         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 390
 391         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX);
 392         cmd.req.arg[1] = recv_ctx->context_id;
 393         err = qlcnic_issue_cmd(adapter, &cmd);
 394         if (err)
 395                 dev_err(&adapter->pdev->dev,
 396                         "Failed to destroy rx ctx in firmware\n");
 397
 398         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 399         qlcnic_free_mbx_args(&cmd);
 400 }
 401
 402 int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
 403                                      struct qlcnic_host_tx_ring *tx_ring,
 404                                      int ring)
 405 {
 406         struct qlcnic_hostrq_tx_ctx     *prq;
 407         struct qlcnic_hostrq_cds_ring   *prq_cds;
 408         struct qlcnic_cardrsp_tx_ctx    *prsp;
 409         void    *rq_addr, *rsp_addr;
 410         size_t  rq_size, rsp_size;
 411         u32     temp;
 412         struct qlcnic_cmd_args cmd;
 413         int     err;
 414         u64     phys_addr;
 415         dma_addr_t      rq_phys_addr, rsp_phys_addr;
 416
 417         /* reset host resources */
 418         tx_ring->producer = 0;
 419         tx_ring->sw_consumer = 0;
 420         *(tx_ring->hw_consumer) = 0;
 421
 422         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
 423         rq_addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 424                                      &rq_phys_addr, GFP_KERNEL | __GFP_ZERO);
 425         if (!rq_addr)
 426                 return -ENOMEM;
 427
 428         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
 429         rsp_addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 430                                       &rsp_phys_addr, GFP_KERNEL | __GFP_ZERO);
 431         if (!rsp_addr) {
 432                 err = -ENOMEM;
 433                 goto out_free_rq;
 434         }
 435
 436         prq = rq_addr;
 437
 438         prsp = rsp_addr;
 439
 440         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 441
 442         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 443                                         QLCNIC_CAP0_LSO);
 444         prq->capabilities[0] = cpu_to_le32(temp);
 445
 446         prq->host_int_crb_mode =
 447                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 448         prq->msi_index = 0;
 449
 450         prq->interrupt_ctl = 0;
 451         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 452
 453         prq_cds = &prq->cds_ring;
 454
 455         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 456         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 457
 458         phys_addr = rq_phys_addr;
 459
 460         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
 461         cmd.req.arg[1] = MSD(phys_addr);
 462         cmd.req.arg[2] = LSD(phys_addr);
 463         cmd.req.arg[3] = rq_size;
 464         err = qlcnic_issue_cmd(adapter, &cmd);
 465
 466         if (err == QLCNIC_RCODE_SUCCESS) {
 467                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 468                 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
 469                 tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
 470         } else {
 471                 dev_err(&adapter->pdev->dev,
 472                         "Failed to create tx ctx in firmware%d\n", err);
 473                 err = -EIO;
 474         }
 475
 476         dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
 477                           rsp_phys_addr);
 478
 479 out_free_rq:
 480         dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
 481         qlcnic_free_mbx_args(&cmd);
 482
 483         return err;
 484 }
 485
 486 void qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter,
 487                                    struct qlcnic_host_tx_ring *tx_ring)
 488 {
 489         struct qlcnic_cmd_args cmd;
 490
 491         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
 492
 493         cmd.req.arg[1] = tx_ring->ctx_id;
 494         if (qlcnic_issue_cmd(adapter, &cmd))
 495                 dev_err(&adapter->pdev->dev,
 496                         "Failed to destroy tx ctx in firmware\n");
 497         qlcnic_free_mbx_args(&cmd);
 498 }
 499
 500 int
 501 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
 502 {
 503         int err;
 504         struct qlcnic_cmd_args cmd;
 505
 506         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
 507         cmd.req.arg[1] = config;
 508         err = qlcnic_issue_cmd(adapter, &cmd);
 509         qlcnic_free_mbx_args(&cmd);
 510         return err;
 511 }
 512
 513 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 514 {
 515         void *addr;
 516         int err, ring;
 517         struct qlcnic_recv_context *recv_ctx;
 518         struct qlcnic_host_rds_ring *rds_ring;
 519         struct qlcnic_host_sds_ring *sds_ring;
 520         struct qlcnic_host_tx_ring *tx_ring;
 521         __le32 *ptr;
 522
 523         struct pci_dev *pdev = adapter->pdev;
 524
 525         recv_ctx = adapter->recv_ctx;
 526
 527         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
 528                 tx_ring = &adapter->tx_ring[ring];
 529                 ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
 530                                                    &tx_ring->hw_cons_phys_addr,
 531                                                    GFP_KERNEL);
 532                 if (ptr == NULL)
 533                         return -ENOMEM;
 534
 535                 tx_ring->hw_consumer = ptr;
 536                 /* cmd desc ring */
 537                 addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
 538                                           &tx_ring->phys_addr,
 539                                           GFP_KERNEL);
 540                 if (addr == NULL) {
 541                         err = -ENOMEM;
 542                         goto err_out_free;
 543                 }
 544
 545                 tx_ring->desc_head = addr;
 546         }
 547
 548         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 549                 rds_ring = &recv_ctx->rds_rings[ring];
 550                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 551                                           RCV_DESC_RINGSIZE(rds_ring),
 552                                           &rds_ring->phys_addr, GFP_KERNEL);
 553                 if (addr == NULL) {
 554                         err = -ENOMEM;
 555                         goto err_out_free;
 556                 }
 557                 rds_ring->desc_head = addr;
 558
 559         }
 560
 561         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 562                 sds_ring = &recv_ctx->sds_rings[ring];
 563
 564                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 565                                           STATUS_DESC_RINGSIZE(sds_ring),
 566                                           &sds_ring->phys_addr, GFP_KERNEL);
 567                 if (addr == NULL) {
 568                         err = -ENOMEM;
 569                         goto err_out_free;
 570                 }
 571                 sds_ring->desc_head = addr;
 572         }
 573
 574         return 0;
 575
 576 err_out_free:
 577         qlcnic_free_hw_resources(adapter);
 578         return err;
 579 }
 580
 581 int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev)
 582 {
 583         int i, err, ring;
 584
 585         if (dev->flags & QLCNIC_NEED_FLR) {
 586                 pci_reset_function(dev->pdev);
 587                 dev->flags &= ~QLCNIC_NEED_FLR;
 588         }
 589
 590         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 591                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
 592                         err = qlcnic_83xx_config_intrpt(dev, 1);
 593                         if (err)
 594                                 return err;
 595                 }
 596         }
 597
 598         err = qlcnic_fw_cmd_create_rx_ctx(dev);
 599         if (err)
 600                 goto err_out;
 601
 602         for (ring = 0; ring < dev->max_drv_tx_rings; ring++) {
 603                 err = qlcnic_fw_cmd_create_tx_ctx(dev,
 604                                                   &dev->tx_ring[ring],
 605                                                   ring);
 606                 if (err) {
 607                         qlcnic_fw_cmd_del_rx_ctx(dev);
 608                         if (ring == 0)
 609                                 goto err_out;
 610
 611                         for (i = 0; i < ring; i++)
 612                                 qlcnic_fw_cmd_del_tx_ctx(dev, &dev->tx_ring[i]);
 613
 614                         goto err_out;
 615                 }
 616         }
 617
 618         set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
 619         return 0;
 620
 621 err_out:
 622         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 623                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 624                         qlcnic_83xx_config_intrpt(dev, 0);
 625         }
 626         return err;
 627 }
 628
 629 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 630 {
 631         int ring;
 632
 633         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 634                 qlcnic_fw_cmd_del_rx_ctx(adapter);
 635                 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++)
 636                         qlcnic_fw_cmd_del_tx_ctx(adapter,
 637                                                  &adapter->tx_ring[ring]);
 638
 639                 if (qlcnic_83xx_check(adapter) &&
 640                     (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 641                         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 642                                 qlcnic_83xx_config_intrpt(adapter, 0);
 643                 }
 644                 /* Allow dma queues to drain after context reset */
 645                 msleep(20);
 646         }
 647 }
 648
 649 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 650 {
 651         struct qlcnic_recv_context *recv_ctx;
 652         struct qlcnic_host_rds_ring *rds_ring;
 653         struct qlcnic_host_sds_ring *sds_ring;
 654         struct qlcnic_host_tx_ring *tx_ring;
 655         int ring;
 656
 657         recv_ctx = adapter->recv_ctx;
 658
 659         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
 660                 tx_ring = &adapter->tx_ring[ring];
 661                 if (tx_ring->hw_consumer != NULL) {
 662                         dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
 663                                           tx_ring->hw_consumer,
 664                                           tx_ring->hw_cons_phys_addr);
 665
 666                         tx_ring->hw_consumer = NULL;
 667                 }
 668
 669                 if (tx_ring->desc_head != NULL) {
 670                         dma_free_coherent(&adapter->pdev->dev,
 671                                           TX_DESC_RINGSIZE(tx_ring),
 672                                           tx_ring->desc_head,
 673                                           tx_ring->phys_addr);
 674                         tx_ring->desc_head = NULL;
 675                 }
 676         }
 677
 678         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 679                 rds_ring = &recv_ctx->rds_rings[ring];
 680
 681                 if (rds_ring->desc_head != NULL) {
 682                         dma_free_coherent(&adapter->pdev->dev,
 683                                         RCV_DESC_RINGSIZE(rds_ring),
 684                                         rds_ring->desc_head,
 685                                         rds_ring->phys_addr);
 686                         rds_ring->desc_head = NULL;
 687                 }
 688         }
 689
 690         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 691                 sds_ring = &recv_ctx->sds_rings[ring];
 692
 693                 if (sds_ring->desc_head != NULL) {
 694                         dma_free_coherent(&adapter->pdev->dev,
 695                                 STATUS_DESC_RINGSIZE(sds_ring),
 696                                 sds_ring->desc_head,
 697                                 sds_ring->phys_addr);
 698                         sds_ring->desc_head = NULL;
 699                 }
 700         }
 701 }
 702
 703
 704 int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
 705 {
 706         int err, i;
 707         struct qlcnic_cmd_args cmd;
 708         u32 mac_low, mac_high;
 709
 710         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
 711         cmd.req.arg[1] = adapter->ahw->pci_func | BIT_8;
 712         err = qlcnic_issue_cmd(adapter, &cmd);
 713
 714         if (err == QLCNIC_RCODE_SUCCESS) {
 715                 mac_low = cmd.rsp.arg[1];
 716                 mac_high = cmd.rsp.arg[2];
 717
 718                 for (i = 0; i < 2; i++)
 719                         mac[i] = (u8) (mac_high >> ((1 - i) * 8));
 720                 for (i = 2; i < 6; i++)
 721                         mac[i] = (u8) (mac_low >> ((5 - i) * 8));
 722         } else {
 723                 dev_err(&adapter->pdev->dev,
 724                         "Failed to get mac address%d\n", err);
 725                 err = -EIO;
 726         }
 727         qlcnic_free_mbx_args(&cmd);
 728         return err;
 729 }
 730
 731 /* Get info of a NIC partition */
 732 int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
 733                              struct qlcnic_info *npar_info, u8 func_id)
 734 {
 735         int     err;
 736         dma_addr_t nic_dma_t;
 737         const struct qlcnic_info_le *nic_info;
 738         void *nic_info_addr;
 739         struct qlcnic_cmd_args cmd;
 740         size_t  nic_size = sizeof(struct qlcnic_info_le);
 741
 742         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 743                                            &nic_dma_t, GFP_KERNEL | __GFP_ZERO);
 744         if (!nic_info_addr)
 745                 return -ENOMEM;
 746
 747         nic_info = nic_info_addr;
 748
 749         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
 750         cmd.req.arg[1] = MSD(nic_dma_t);
 751         cmd.req.arg[2] = LSD(nic_dma_t);
 752         cmd.req.arg[3] = (func_id << 16 | nic_size);
 753         err = qlcnic_issue_cmd(adapter, &cmd);
 754         if (err != QLCNIC_RCODE_SUCCESS) {
 755                 dev_err(&adapter->pdev->dev,
 756                         "Failed to get nic info%d\n", err);
 757                 err = -EIO;
 758         } else {
 759                 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
 760                 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
 761                 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 762                 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 763                 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
 764                 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
 765                 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 766                 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 767                 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
 768                 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 769         }
 770
 771         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 772                           nic_dma_t);
 773         qlcnic_free_mbx_args(&cmd);
 774
 775         return err;
 776 }
 777
 778 /* Configure a NIC partition */
 779 int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter,
 780                              struct qlcnic_info *nic)
 781 {
 782         int err = -EIO;
 783         dma_addr_t nic_dma_t;
 784         void *nic_info_addr;
 785         struct qlcnic_cmd_args cmd;
 786         struct qlcnic_info_le *nic_info;
 787         size_t nic_size = sizeof(struct qlcnic_info_le);
 788
 789         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
 790                 return err;
 791
 792         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 793                                            &nic_dma_t, GFP_KERNEL | __GFP_ZERO);
 794         if (!nic_info_addr)
 795                 return -ENOMEM;
 796
 797         nic_info = nic_info_addr;
 798
 799         nic_info->pci_func = cpu_to_le16(nic->pci_func);
 800         nic_info->op_mode = cpu_to_le16(nic->op_mode);
 801         nic_info->phys_port = cpu_to_le16(nic->phys_port);
 802         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 803         nic_info->capabilities = cpu_to_le32(nic->capabilities);
 804         nic_info->max_mac_filters = nic->max_mac_filters;
 805         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 806         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 807         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 808         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 809
 810         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
 811         cmd.req.arg[1] = MSD(nic_dma_t);
 812         cmd.req.arg[2] = LSD(nic_dma_t);
 813         cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size);
 814         err = qlcnic_issue_cmd(adapter, &cmd);
 815
 816         if (err != QLCNIC_RCODE_SUCCESS) {
 817                 dev_err(&adapter->pdev->dev,
 818                         "Failed to set nic info%d\n", err);
 819                 err = -EIO;
 820         }
 821
 822         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 823                 nic_dma_t);
 824         qlcnic_free_mbx_args(&cmd);
 825
 826         return err;
 827 }
 828
 829 /* Get PCI Info of a partition */
 830 int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter,
 831                              struct qlcnic_pci_info *pci_info)
 832 {
 833         int err = 0, i;
 834         struct qlcnic_cmd_args cmd;
 835         dma_addr_t pci_info_dma_t;
 836         struct qlcnic_pci_info_le *npar;
 837         void *pci_info_addr;
 838         size_t npar_size = sizeof(struct qlcnic_pci_info_le);
 839         size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
 840
 841         pci_info_addr = dma_alloc_coherent(&adapter->pdev->dev, pci_size,
 842                                            &pci_info_dma_t,
 843                                            GFP_KERNEL | __GFP_ZERO);
 844         if (!pci_info_addr)
 845                 return -ENOMEM;
 846
 847         npar = pci_info_addr;
 848         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
 849         cmd.req.arg[1] = MSD(pci_info_dma_t);
 850         cmd.req.arg[2] = LSD(pci_info_dma_t);
 851         cmd.req.arg[3] = pci_size;
 852         err = qlcnic_issue_cmd(adapter, &cmd);
 853
 854         adapter->ahw->act_pci_func = 0;
 855         if (err == QLCNIC_RCODE_SUCCESS) {
 856                 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) {
 857                         pci_info->id = le16_to_cpu(npar->id);
 858                         pci_info->active = le16_to_cpu(npar->active);
 859                         pci_info->type = le16_to_cpu(npar->type);
 860                         if (pci_info->type == QLCNIC_TYPE_NIC)
 861                                 adapter->ahw->act_pci_func++;
 862                         pci_info->default_port =
 863                                 le16_to_cpu(npar->default_port);
 864                         pci_info->tx_min_bw =
 865                                 le16_to_cpu(npar->tx_min_bw);
 866                         pci_info->tx_max_bw =
 867                                 le16_to_cpu(npar->tx_max_bw);
 868                         memcpy(pci_info->mac, npar->mac, ETH_ALEN);
 869                 }
 870         } else {
 871                 dev_err(&adapter->pdev->dev,
 872                         "Failed to get PCI Info%d\n", err);
 873                 err = -EIO;
 874         }
 875
 876         dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
 877                 pci_info_dma_t);
 878         qlcnic_free_mbx_args(&cmd);
 879
 880         return err;
 881 }
 882
 883 /* Configure eSwitch for port mirroring */
 884 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
 885                                 u8 enable_mirroring, u8 pci_func)
 886 {
 887         int err = -EIO;
 888         u32 arg1;
 889         struct qlcnic_cmd_args cmd;
 890
 891         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
 892             !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
 893                 return err;
 894
 895         arg1 = id | (enable_mirroring ? BIT_4 : 0);
 896         arg1 |= pci_func << 8;
 897
 898         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_PORTMIRRORING);
 899         cmd.req.arg[1] = arg1;
 900         err = qlcnic_issue_cmd(adapter, &cmd);
 901
 902         if (err != QLCNIC_RCODE_SUCCESS)
 903                 dev_err(&adapter->pdev->dev,
 904                         "Failed to configure port mirroring%d on eswitch:%d\n",
 905                         pci_func, id);
 906         else
 907                 dev_info(&adapter->pdev->dev,
 908                         "Configured eSwitch %d for port mirroring:%d\n",
 909                         id, pci_func);
 910         qlcnic_free_mbx_args(&cmd);
 911
 912         return err;
 913 }
 914
 915 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
 916                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
 917
 918         size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
 919         struct qlcnic_esw_stats_le *stats;
 920         dma_addr_t stats_dma_t;
 921         void *stats_addr;
 922         u32 arg1;
 923         struct qlcnic_cmd_args cmd;
 924         int err;
 925
 926         if (esw_stats == NULL)
 927                 return -ENOMEM;
 928
 929         if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
 930             (func != adapter->ahw->pci_func)) {
 931                 dev_err(&adapter->pdev->dev,
 932                         "Not privilege to query stats for func=%d", func);
 933                 return -EIO;
 934         }
 935
 936         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
 937                                         &stats_dma_t, GFP_KERNEL | __GFP_ZERO);
 938         if (!stats_addr)
 939                 return -ENOMEM;
 940
 941         arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
 942         arg1 |= rx_tx << 15 | stats_size << 16;
 943
 944         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_ESWITCH_STATS);
 945         cmd.req.arg[1] = arg1;
 946         cmd.req.arg[2] = MSD(stats_dma_t);
 947         cmd.req.arg[3] = LSD(stats_dma_t);
 948         err = qlcnic_issue_cmd(adapter, &cmd);
 949
 950         if (!err) {
 951                 stats = stats_addr;
 952                 esw_stats->context_id = le16_to_cpu(stats->context_id);
 953                 esw_stats->version = le16_to_cpu(stats->version);
 954                 esw_stats->size = le16_to_cpu(stats->size);
 955                 esw_stats->multicast_frames =
 956                                 le64_to_cpu(stats->multicast_frames);
 957                 esw_stats->broadcast_frames =
 958                                 le64_to_cpu(stats->broadcast_frames);
 959                 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
 960                 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
 961                 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
 962                 esw_stats->errors = le64_to_cpu(stats->errors);
 963                 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
 964         }
 965
 966         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
 967                 stats_dma_t);
 968         qlcnic_free_mbx_args(&cmd);
 969
 970         return err;
 971 }
 972
 973 /* This routine will retrieve the MAC statistics from firmware */
 974 int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
 975                 struct qlcnic_mac_statistics *mac_stats)
 976 {
 977         struct qlcnic_mac_statistics_le *stats;
 978         struct qlcnic_cmd_args cmd;
 979         size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
 980         dma_addr_t stats_dma_t;
 981         void *stats_addr;
 982         int err;
 983
 984         if (mac_stats == NULL)
 985                 return -ENOMEM;
 986
 987         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
 988                                         &stats_dma_t, GFP_KERNEL | __GFP_ZERO);
 989         if (!stats_addr)
 990                 return -ENOMEM;
 991
 992         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS);
 993         cmd.req.arg[1] = stats_size << 16;
 994         cmd.req.arg[2] = MSD(stats_dma_t);
 995         cmd.req.arg[3] = LSD(stats_dma_t);
 996         err = qlcnic_issue_cmd(adapter, &cmd);
 997         if (!err) {
 998                 stats = stats_addr;
 999                 mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
1000                 mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
1001                 mac_stats->mac_tx_mcast_pkts =
1002                                         le64_to_cpu(stats->mac_tx_mcast_pkts);
1003                 mac_stats->mac_tx_bcast_pkts =
1004                                         le64_to_cpu(stats->mac_tx_bcast_pkts);
1005                 mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
1006                 mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
1007                 mac_stats->mac_rx_mcast_pkts =
1008                                         le64_to_cpu(stats->mac_rx_mcast_pkts);
1009                 mac_stats->mac_rx_length_error =
1010                                 le64_to_cpu(stats->mac_rx_length_error);
1011                 mac_stats->mac_rx_length_small =
1012                                 le64_to_cpu(stats->mac_rx_length_small);
1013                 mac_stats->mac_rx_length_large =
1014                                 le64_to_cpu(stats->mac_rx_length_large);
1015                 mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
1016                 mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
1017                 mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
1018         } else {
1019                 dev_err(&adapter->pdev->dev,
1020                         "%s: Get mac stats failed, err=%d.\n", __func__, err);
1021         }
1022
1023         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1024                 stats_dma_t);
1025
1026         qlcnic_free_mbx_args(&cmd);
1027
1028         return err;
1029 }
1030
1031 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
1032                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1033
1034         struct __qlcnic_esw_statistics port_stats;
1035         u8 i;
1036         int ret = -EIO;
1037
1038         if (esw_stats == NULL)
1039                 return -ENOMEM;
1040         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1041                 return -EIO;
1042         if (adapter->npars == NULL)
1043                 return -EIO;
1044
1045         memset(esw_stats, 0, sizeof(u64));
1046         esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
1047         esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
1048         esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
1049         esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
1050         esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
1051         esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
1052         esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
1053         esw_stats->context_id = eswitch;
1054
1055         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1056                 if (adapter->npars[i].phy_port != eswitch)
1057                         continue;
1058
1059                 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
1060                 if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
1061                                           rx_tx, &port_stats))
1062                         continue;
1063
1064                 esw_stats->size = port_stats.size;
1065                 esw_stats->version = port_stats.version;
1066                 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
1067                                                 port_stats.unicast_frames);
1068                 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
1069                                                 port_stats.multicast_frames);
1070                 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
1071                                                 port_stats.broadcast_frames);
1072                 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
1073                                                 port_stats.dropped_frames);
1074                 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
1075                                                 port_stats.errors);
1076                 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
1077                                                 port_stats.local_frames);
1078                 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
1079                                                 port_stats.numbytes);
1080                 ret = 0;
1081         }
1082         return ret;
1083 }
1084
1085 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
1086                 const u8 port, const u8 rx_tx)
1087 {
1088         int err;
1089         u32 arg1;
1090         struct qlcnic_cmd_args cmd;
1091
1092         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1093                 return -EIO;
1094
1095         if (func_esw == QLCNIC_STATS_PORT) {
1096                 if (port >= QLCNIC_MAX_PCI_FUNC)
1097                         goto err_ret;
1098         } else if (func_esw == QLCNIC_STATS_ESWITCH) {
1099                 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
1100                         goto err_ret;
1101         } else {
1102                 goto err_ret;
1103         }
1104
1105         if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
1106                 goto err_ret;
1107
1108         arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
1109         arg1 |= BIT_14 | rx_tx << 15;
1110
1111         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_ESWITCH_STATS);
1112         cmd.req.arg[1] = arg1;
1113         err = qlcnic_issue_cmd(adapter, &cmd);
1114         qlcnic_free_mbx_args(&cmd);
1115         return err;
1116
1117 err_ret:
1118         dev_err(&adapter->pdev->dev,
1119                 "Invalid args func_esw %d port %d rx_ctx %d\n",
1120                 func_esw, port, rx_tx);
1121         return -EIO;
1122 }
1123
1124 static int
1125 __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1126                                         u32 *arg1, u32 *arg2)
1127 {
1128         int err = -EIO;
1129         struct qlcnic_cmd_args cmd;
1130         u8 pci_func;
1131         pci_func = (*arg1 >> 8);
1132
1133         qlcnic_alloc_mbx_args(&cmd, adapter,
1134                               QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG);
1135         cmd.req.arg[1] = *arg1;
1136         err = qlcnic_issue_cmd(adapter, &cmd);
1137         *arg1 = cmd.rsp.arg[1];
1138         *arg2 = cmd.rsp.arg[2];
1139         qlcnic_free_mbx_args(&cmd);
1140
1141         if (err == QLCNIC_RCODE_SUCCESS)
1142                 dev_info(&adapter->pdev->dev,
1143                          "eSwitch port config for pci func %d\n", pci_func);
1144         else
1145                 dev_err(&adapter->pdev->dev,
1146                         "Failed to get eswitch port config for pci func %d\n",
1147                                                                 pci_func);
1148         return err;
1149 }
1150 /* Configure eSwitch port
1151 op_mode = 0 for setting default port behavior
1152 op_mode = 1 for setting  vlan id
1153 op_mode = 2 for deleting vlan id
1154 op_type = 0 for vlan_id
1155 op_type = 1 for port vlan_id
1156 */
1157 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1158                 struct qlcnic_esw_func_cfg *esw_cfg)
1159 {
1160         int err = -EIO, index;
1161         u32 arg1, arg2 = 0;
1162         struct qlcnic_cmd_args cmd;
1163         u8 pci_func;
1164
1165         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1166                 return err;
1167         pci_func = esw_cfg->pci_func;
1168         index = qlcnic_is_valid_nic_func(adapter, pci_func);
1169         if (index < 0)
1170                 return err;
1171         arg1 = (adapter->npars[index].phy_port & BIT_0);
1172         arg1 |= (pci_func << 8);
1173
1174         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1175                 return err;
1176         arg1 &= ~(0x0ff << 8);
1177         arg1 |= (pci_func << 8);
1178         arg1 &= ~(BIT_2 | BIT_3);
1179         switch (esw_cfg->op_mode) {
1180         case QLCNIC_PORT_DEFAULTS:
1181                 arg1 |= (BIT_4 | BIT_6 | BIT_7);
1182                 arg2 |= (BIT_0 | BIT_1);
1183                 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1184                         arg2 |= (BIT_2 | BIT_3);
1185                 if (!(esw_cfg->discard_tagged))
1186                         arg1 &= ~BIT_4;
1187                 if (!(esw_cfg->promisc_mode))
1188                         arg1 &= ~BIT_6;
1189                 if (!(esw_cfg->mac_override))
1190                         arg1 &= ~BIT_7;
1191                 if (!(esw_cfg->mac_anti_spoof))
1192                         arg2 &= ~BIT_0;
1193                 if (!(esw_cfg->offload_flags & BIT_0))
1194                         arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1195                 if (!(esw_cfg->offload_flags & BIT_1))
1196                         arg2 &= ~BIT_2;
1197                 if (!(esw_cfg->offload_flags & BIT_2))
1198                         arg2 &= ~BIT_3;
1199                 break;
1200         case QLCNIC_ADD_VLAN:
1201                         arg1 |= (BIT_2 | BIT_5);
1202                         arg1 |= (esw_cfg->vlan_id << 16);
1203                         break;
1204         case QLCNIC_DEL_VLAN:
1205                         arg1 |= (BIT_3 | BIT_5);
1206                         arg1 &= ~(0x0ffff << 16);
1207                         break;
1208         default:
1209                 return err;
1210         }
1211
1212         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_ESWITCH);
1213         cmd.req.arg[1] = arg1;
1214         cmd.req.arg[2] = arg2;
1215         err = qlcnic_issue_cmd(adapter, &cmd);
1216         qlcnic_free_mbx_args(&cmd);
1217
1218         if (err != QLCNIC_RCODE_SUCCESS)
1219                 dev_err(&adapter->pdev->dev,
1220                         "Failed to configure eswitch pci func %d\n", pci_func);
1221         else
1222                 dev_info(&adapter->pdev->dev,
1223                          "Configured eSwitch for pci func %d\n", pci_func);
1224
1225         return err;
1226 }
1227
1228 int
1229 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1230                         struct qlcnic_esw_func_cfg *esw_cfg)
1231 {
1232         u32 arg1, arg2;
1233         int index;
1234         u8 phy_port;
1235
1236         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
1237                 index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
1238                 if (index < 0)
1239                         return -EIO;
1240                 phy_port = adapter->npars[index].phy_port;
1241         } else {
1242                 phy_port = adapter->ahw->physical_port;
1243         }
1244         arg1 = phy_port;
1245         arg1 |= (esw_cfg->pci_func << 8);
1246         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1247                 return -EIO;
1248
1249         esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1250         esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1251         esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1252         esw_cfg->mac_override = !!(arg1 & BIT_7);
1253         esw_cfg->vlan_id = LSW(arg1 >> 16);
1254         esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1255         esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1256
1257         return 0;
1258 }