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);
 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);
 432         if (!rsp_addr) {
 433                 err = -ENOMEM;
 434                 goto out_free_rq;
 435         }
 436
 437         memset(rq_addr, 0, rq_size);
 438         prq = rq_addr;
 439
 440         memset(rsp_addr, 0, rsp_size);
 441         prsp = rsp_addr;
 442
 443         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 444
 445         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 446                                         QLCNIC_CAP0_LSO);
 447         prq->capabilities[0] = cpu_to_le32(temp);
 448
 449         prq->host_int_crb_mode =
 450                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 451         prq->msi_index = 0;
 452
 453         prq->interrupt_ctl = 0;
 454         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 455
 456         prq_cds = &prq->cds_ring;
 457
 458         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 459         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 460
 461         phys_addr = rq_phys_addr;
 462
 463         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
 464         cmd.req.arg[1] = MSD(phys_addr);
 465         cmd.req.arg[2] = LSD(phys_addr);
 466         cmd.req.arg[3] = rq_size;
 467         err = qlcnic_issue_cmd(adapter, &cmd);
 468
 469         if (err == QLCNIC_RCODE_SUCCESS) {
 470                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 471                 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
 472                 tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
 473         } else {
 474                 dev_err(&adapter->pdev->dev,
 475                         "Failed to create tx ctx in firmware%d\n", err);
 476                 err = -EIO;
 477         }
 478
 479         dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
 480                           rsp_phys_addr);
 481
 482 out_free_rq:
 483         dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
 484         qlcnic_free_mbx_args(&cmd);
 485
 486         return err;
 487 }
 488
 489 static void
 490 qlcnic_fw_cmd_destroy_tx_ctx(struct qlcnic_adapter *adapter,
 491                              struct qlcnic_host_tx_ring *tx_ring)
 492 {
 493         struct qlcnic_cmd_args cmd;
 494
 495         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
 496         cmd.req.arg[1] = tx_ring->ctx_id;
 497         if (qlcnic_issue_cmd(adapter, &cmd))
 498                 dev_err(&adapter->pdev->dev,
 499                         "Failed to destroy tx ctx in firmware\n");
 500         qlcnic_free_mbx_args(&cmd);
 501 }
 502
 503 int
 504 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
 505 {
 506         int err;
 507         struct qlcnic_cmd_args cmd;
 508
 509         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
 510         cmd.req.arg[1] = config;
 511         err = qlcnic_issue_cmd(adapter, &cmd);
 512         qlcnic_free_mbx_args(&cmd);
 513         return err;
 514 }
 515
 516 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 517 {
 518         void *addr;
 519         int err, ring;
 520         struct qlcnic_recv_context *recv_ctx;
 521         struct qlcnic_host_rds_ring *rds_ring;
 522         struct qlcnic_host_sds_ring *sds_ring;
 523         struct qlcnic_host_tx_ring *tx_ring;
 524         __le32 *ptr;
 525
 526         struct pci_dev *pdev = adapter->pdev;
 527
 528         recv_ctx = adapter->recv_ctx;
 529
 530         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
 531                 tx_ring = &adapter->tx_ring[ring];
 532                 ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
 533                                                    &tx_ring->hw_cons_phys_addr,
 534                                                    GFP_KERNEL);
 535
 536                 if (ptr == NULL) {
 537                         dev_err(&pdev->dev, "failed to allocate tx consumer\n");
 538                         return -ENOMEM;
 539                 }
 540                 tx_ring->hw_consumer = ptr;
 541                 /* cmd desc ring */
 542                 addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
 543                                           &tx_ring->phys_addr,
 544                                           GFP_KERNEL);
 545
 546                 if (addr == NULL) {
 547                         dev_err(&pdev->dev,
 548                                 "failed to allocate tx desc ring\n");
 549                         err = -ENOMEM;
 550                         goto err_out_free;
 551                 }
 552
 553                 tx_ring->desc_head = addr;
 554         }
 555
 556         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 557                 rds_ring = &recv_ctx->rds_rings[ring];
 558                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 559                                 RCV_DESC_RINGSIZE(rds_ring),
 560                                 &rds_ring->phys_addr, GFP_KERNEL);
 561                 if (addr == NULL) {
 562                         dev_err(&pdev->dev,
 563                                 "failed to allocate rds ring [%d]\n", ring);
 564                         err = -ENOMEM;
 565                         goto err_out_free;
 566                 }
 567                 rds_ring->desc_head = addr;
 568
 569         }
 570
 571         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 572                 sds_ring = &recv_ctx->sds_rings[ring];
 573
 574                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 575                                 STATUS_DESC_RINGSIZE(sds_ring),
 576                                 &sds_ring->phys_addr, GFP_KERNEL);
 577                 if (addr == NULL) {
 578                         dev_err(&pdev->dev,
 579                                 "failed to allocate sds ring [%d]\n", ring);
 580                         err = -ENOMEM;
 581                         goto err_out_free;
 582                 }
 583                 sds_ring->desc_head = addr;
 584         }
 585
 586         return 0;
 587
 588 err_out_free:
 589         qlcnic_free_hw_resources(adapter);
 590         return err;
 591 }
 592
 593 int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev)
 594 {
 595         int i, err, ring;
 596
 597         if (dev->flags & QLCNIC_NEED_FLR) {
 598                 pci_reset_function(dev->pdev);
 599                 dev->flags &= ~QLCNIC_NEED_FLR;
 600         }
 601
 602         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 603                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
 604                         err = qlcnic_83xx_config_intrpt(dev, 1);
 605                         if (err)
 606                                 return err;
 607                 }
 608         }
 609
 610         err = qlcnic_fw_cmd_create_rx_ctx(dev);
 611         if (err)
 612                 goto err_out;
 613
 614         for (ring = 0; ring < dev->max_drv_tx_rings; ring++) {
 615                 err = qlcnic_fw_cmd_create_tx_ctx(dev,
 616                                                   &dev->tx_ring[ring],
 617                                                   ring);
 618                 if (err) {
 619                         qlcnic_fw_cmd_destroy_rx_ctx(dev);
 620                         if (ring == 0)
 621                                 goto err_out;
 622
 623                         for (i = 0; i < ring; i++)
 624                                 qlcnic_fw_cmd_destroy_tx_ctx(dev,
 625                                                              &dev->tx_ring[i]);
 626
 627                         goto err_out;
 628                 }
 629         }
 630
 631         set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
 632         return 0;
 633
 634 err_out:
 635         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 636                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 637                         qlcnic_83xx_config_intrpt(dev, 0);
 638         }
 639         return err;
 640 }
 641
 642 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 643 {
 644         int ring;
 645
 646         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 647                 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
 648                 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++)
 649                         qlcnic_fw_cmd_destroy_tx_ctx(adapter,
 650                                                      &adapter->tx_ring[ring]);
 651
 652                 if (qlcnic_83xx_check(adapter) &&
 653                     (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 654                         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 655                                 qlcnic_83xx_config_intrpt(adapter, 0);
 656                 }
 657                 /* Allow dma queues to drain after context reset */
 658                 mdelay(20);
 659         }
 660 }
 661
 662 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 663 {
 664         struct qlcnic_recv_context *recv_ctx;
 665         struct qlcnic_host_rds_ring *rds_ring;
 666         struct qlcnic_host_sds_ring *sds_ring;
 667         struct qlcnic_host_tx_ring *tx_ring;
 668         int ring;
 669
 670         recv_ctx = adapter->recv_ctx;
 671
 672         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
 673                 tx_ring = &adapter->tx_ring[ring];
 674                 if (tx_ring->hw_consumer != NULL) {
 675                         dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
 676                                           tx_ring->hw_consumer,
 677                                           tx_ring->hw_cons_phys_addr);
 678
 679                         tx_ring->hw_consumer = NULL;
 680                 }
 681
 682                 if (tx_ring->desc_head != NULL) {
 683                         dma_free_coherent(&adapter->pdev->dev,
 684                                           TX_DESC_RINGSIZE(tx_ring),
 685                                           tx_ring->desc_head,
 686                                           tx_ring->phys_addr);
 687                         tx_ring->desc_head = NULL;
 688                 }
 689         }
 690
 691         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 692                 rds_ring = &recv_ctx->rds_rings[ring];
 693
 694                 if (rds_ring->desc_head != NULL) {
 695                         dma_free_coherent(&adapter->pdev->dev,
 696                                         RCV_DESC_RINGSIZE(rds_ring),
 697                                         rds_ring->desc_head,
 698                                         rds_ring->phys_addr);
 699                         rds_ring->desc_head = NULL;
 700                 }
 701         }
 702
 703         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 704                 sds_ring = &recv_ctx->sds_rings[ring];
 705
 706                 if (sds_ring->desc_head != NULL) {
 707                         dma_free_coherent(&adapter->pdev->dev,
 708                                 STATUS_DESC_RINGSIZE(sds_ring),
 709                                 sds_ring->desc_head,
 710                                 sds_ring->phys_addr);
 711                         sds_ring->desc_head = NULL;
 712                 }
 713         }
 714 }
 715
 716
 717 int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
 718 {
 719         int err, i;
 720         struct qlcnic_cmd_args cmd;
 721         u32 mac_low, mac_high;
 722
 723         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
 724         cmd.req.arg[1] = adapter->ahw->pci_func | BIT_8;
 725         err = qlcnic_issue_cmd(adapter, &cmd);
 726
 727         if (err == QLCNIC_RCODE_SUCCESS) {
 728                 mac_low = cmd.rsp.arg[1];
 729                 mac_high = cmd.rsp.arg[2];
 730
 731                 for (i = 0; i < 2; i++)
 732                         mac[i] = (u8) (mac_high >> ((1 - i) * 8));
 733                 for (i = 2; i < 6; i++)
 734                         mac[i] = (u8) (mac_low >> ((5 - i) * 8));
 735         } else {
 736                 dev_err(&adapter->pdev->dev,
 737                         "Failed to get mac address%d\n", err);
 738                 err = -EIO;
 739         }
 740         qlcnic_free_mbx_args(&cmd);
 741         return err;
 742 }
 743
 744 /* Get info of a NIC partition */
 745 int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
 746                              struct qlcnic_info *npar_info, u8 func_id)
 747 {
 748         int     err;
 749         dma_addr_t nic_dma_t;
 750         const struct qlcnic_info_le *nic_info;
 751         void *nic_info_addr;
 752         struct qlcnic_cmd_args cmd;
 753         size_t  nic_size = sizeof(struct qlcnic_info_le);
 754
 755         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 756                                 &nic_dma_t, GFP_KERNEL);
 757         if (!nic_info_addr)
 758                 return -ENOMEM;
 759         memset(nic_info_addr, 0, nic_size);
 760
 761         nic_info = nic_info_addr;
 762
 763         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
 764         cmd.req.arg[1] = MSD(nic_dma_t);
 765         cmd.req.arg[2] = LSD(nic_dma_t);
 766         cmd.req.arg[3] = (func_id << 16 | nic_size);
 767         err = qlcnic_issue_cmd(adapter, &cmd);
 768         if (err != QLCNIC_RCODE_SUCCESS) {
 769                 dev_err(&adapter->pdev->dev,
 770                         "Failed to get nic info%d\n", err);
 771                 err = -EIO;
 772         } else {
 773                 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
 774                 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
 775                 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 776                 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 777                 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
 778                 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
 779                 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 780                 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 781                 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
 782                 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 783         }
 784
 785         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 786                           nic_dma_t);
 787         qlcnic_free_mbx_args(&cmd);
 788
 789         return err;
 790 }
 791
 792 /* Configure a NIC partition */
 793 int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter,
 794                              struct qlcnic_info *nic)
 795 {
 796         int err = -EIO;
 797         dma_addr_t nic_dma_t;
 798         void *nic_info_addr;
 799         struct qlcnic_cmd_args cmd;
 800         struct qlcnic_info_le *nic_info;
 801         size_t nic_size = sizeof(struct qlcnic_info_le);
 802
 803         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
 804                 return err;
 805
 806         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 807                         &nic_dma_t, GFP_KERNEL);
 808         if (!nic_info_addr)
 809                 return -ENOMEM;
 810
 811         memset(nic_info_addr, 0, nic_size);
 812         nic_info = nic_info_addr;
 813
 814         nic_info->pci_func = cpu_to_le16(nic->pci_func);
 815         nic_info->op_mode = cpu_to_le16(nic->op_mode);
 816         nic_info->phys_port = cpu_to_le16(nic->phys_port);
 817         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 818         nic_info->capabilities = cpu_to_le32(nic->capabilities);
 819         nic_info->max_mac_filters = nic->max_mac_filters;
 820         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 821         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 822         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 823         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 824
 825         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
 826         cmd.req.arg[1] = MSD(nic_dma_t);
 827         cmd.req.arg[2] = LSD(nic_dma_t);
 828         cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size);
 829         err = qlcnic_issue_cmd(adapter, &cmd);
 830
 831         if (err != QLCNIC_RCODE_SUCCESS) {
 832                 dev_err(&adapter->pdev->dev,
 833                         "Failed to set nic info%d\n", err);
 834                 err = -EIO;
 835         }
 836
 837         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 838                 nic_dma_t);
 839         qlcnic_free_mbx_args(&cmd);
 840
 841         return err;
 842 }
 843
 844 /* Get PCI Info of a partition */
 845 int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter,
 846                              struct qlcnic_pci_info *pci_info)
 847 {
 848         int err = 0, i;
 849         struct qlcnic_cmd_args cmd;
 850         dma_addr_t pci_info_dma_t;
 851         struct qlcnic_pci_info_le *npar;
 852         void *pci_info_addr;
 853         size_t npar_size = sizeof(struct qlcnic_pci_info_le);
 854         size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
 855
 856         pci_info_addr = dma_alloc_coherent(&adapter->pdev->dev, pci_size,
 857                         &pci_info_dma_t, GFP_KERNEL);
 858         if (!pci_info_addr)
 859                 return -ENOMEM;
 860         memset(pci_info_addr, 0, pci_size);
 861
 862         npar = pci_info_addr;
 863         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
 864         cmd.req.arg[1] = MSD(pci_info_dma_t);
 865         cmd.req.arg[2] = LSD(pci_info_dma_t);
 866         cmd.req.arg[3] = pci_size;
 867         err = qlcnic_issue_cmd(adapter, &cmd);
 868
 869         adapter->ahw->act_pci_func = 0;
 870         if (err == QLCNIC_RCODE_SUCCESS) {
 871                 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) {
 872                         pci_info->id = le16_to_cpu(npar->id);
 873                         pci_info->active = le16_to_cpu(npar->active);
 874                         pci_info->type = le16_to_cpu(npar->type);
 875                         if (pci_info->type == QLCNIC_TYPE_NIC)
 876                                 adapter->ahw->act_pci_func++;
 877                         pci_info->default_port =
 878                                 le16_to_cpu(npar->default_port);
 879                         pci_info->tx_min_bw =
 880                                 le16_to_cpu(npar->tx_min_bw);
 881                         pci_info->tx_max_bw =
 882                                 le16_to_cpu(npar->tx_max_bw);
 883                         memcpy(pci_info->mac, npar->mac, ETH_ALEN);
 884                 }
 885         } else {
 886                 dev_err(&adapter->pdev->dev,
 887                         "Failed to get PCI Info%d\n", err);
 888                 err = -EIO;
 889         }
 890
 891         dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
 892                 pci_info_dma_t);
 893         qlcnic_free_mbx_args(&cmd);
 894
 895         return err;
 896 }
 897
 898 /* Configure eSwitch for port mirroring */
 899 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
 900                                 u8 enable_mirroring, u8 pci_func)
 901 {
 902         int err = -EIO;
 903         u32 arg1;
 904         struct qlcnic_cmd_args cmd;
 905
 906         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
 907             !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
 908                 return err;
 909
 910         arg1 = id | (enable_mirroring ? BIT_4 : 0);
 911         arg1 |= pci_func << 8;
 912
 913         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_PORTMIRRORING);
 914         cmd.req.arg[1] = arg1;
 915         err = qlcnic_issue_cmd(adapter, &cmd);
 916
 917         if (err != QLCNIC_RCODE_SUCCESS)
 918                 dev_err(&adapter->pdev->dev,
 919                         "Failed to configure port mirroring%d on eswitch:%d\n",
 920                         pci_func, id);
 921         else
 922                 dev_info(&adapter->pdev->dev,
 923                         "Configured eSwitch %d for port mirroring:%d\n",
 924                         id, pci_func);
 925         qlcnic_free_mbx_args(&cmd);
 926
 927         return err;
 928 }
 929
 930 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
 931                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
 932
 933         size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
 934         struct qlcnic_esw_stats_le *stats;
 935         dma_addr_t stats_dma_t;
 936         void *stats_addr;
 937         u32 arg1;
 938         struct qlcnic_cmd_args cmd;
 939         int err;
 940
 941         if (esw_stats == NULL)
 942                 return -ENOMEM;
 943
 944         if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
 945             (func != adapter->ahw->pci_func)) {
 946                 dev_err(&adapter->pdev->dev,
 947                         "Not privilege to query stats for func=%d", func);
 948                 return -EIO;
 949         }
 950
 951         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
 952                         &stats_dma_t, GFP_KERNEL);
 953         if (!stats_addr) {
 954                 dev_err(&adapter->pdev->dev, "Unable to allocate memory\n");
 955                 return -ENOMEM;
 956         }
 957         memset(stats_addr, 0, stats_size);
 958
 959         arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
 960         arg1 |= rx_tx << 15 | stats_size << 16;
 961
 962         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_ESWITCH_STATS);
 963         cmd.req.arg[1] = arg1;
 964         cmd.req.arg[2] = MSD(stats_dma_t);
 965         cmd.req.arg[3] = LSD(stats_dma_t);
 966         err = qlcnic_issue_cmd(adapter, &cmd);
 967
 968         if (!err) {
 969                 stats = stats_addr;
 970                 esw_stats->context_id = le16_to_cpu(stats->context_id);
 971                 esw_stats->version = le16_to_cpu(stats->version);
 972                 esw_stats->size = le16_to_cpu(stats->size);
 973                 esw_stats->multicast_frames =
 974                                 le64_to_cpu(stats->multicast_frames);
 975                 esw_stats->broadcast_frames =
 976                                 le64_to_cpu(stats->broadcast_frames);
 977                 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
 978                 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
 979                 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
 980                 esw_stats->errors = le64_to_cpu(stats->errors);
 981                 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
 982         }
 983
 984         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
 985                 stats_dma_t);
 986         qlcnic_free_mbx_args(&cmd);
 987
 988         return err;
 989 }
 990
 991 /* This routine will retrieve the MAC statistics from firmware */
 992 int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
 993                 struct qlcnic_mac_statistics *mac_stats)
 994 {
 995         struct qlcnic_mac_statistics_le *stats;
 996         struct qlcnic_cmd_args cmd;
 997         size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
 998         dma_addr_t stats_dma_t;
 999         void *stats_addr;
1000         int err;
1001
1002         if (mac_stats == NULL)
1003                 return -ENOMEM;
1004
1005         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
1006                         &stats_dma_t, GFP_KERNEL);
1007         if (!stats_addr) {
1008                 dev_err(&adapter->pdev->dev,
1009                         "%s: Unable to allocate memory.\n", __func__);
1010                 return -ENOMEM;
1011         }
1012         memset(stats_addr, 0, stats_size);
1013         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS);
1014         cmd.req.arg[1] = stats_size << 16;
1015         cmd.req.arg[2] = MSD(stats_dma_t);
1016         cmd.req.arg[3] = LSD(stats_dma_t);
1017         err = qlcnic_issue_cmd(adapter, &cmd);
1018         if (!err) {
1019                 stats = stats_addr;
1020                 mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
1021                 mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
1022                 mac_stats->mac_tx_mcast_pkts =
1023                                         le64_to_cpu(stats->mac_tx_mcast_pkts);
1024                 mac_stats->mac_tx_bcast_pkts =
1025                                         le64_to_cpu(stats->mac_tx_bcast_pkts);
1026                 mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
1027                 mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
1028                 mac_stats->mac_rx_mcast_pkts =
1029                                         le64_to_cpu(stats->mac_rx_mcast_pkts);
1030                 mac_stats->mac_rx_length_error =
1031                                 le64_to_cpu(stats->mac_rx_length_error);
1032                 mac_stats->mac_rx_length_small =
1033                                 le64_to_cpu(stats->mac_rx_length_small);
1034                 mac_stats->mac_rx_length_large =
1035                                 le64_to_cpu(stats->mac_rx_length_large);
1036                 mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
1037                 mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
1038                 mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
1039         } else {
1040                 dev_err(&adapter->pdev->dev,
1041                         "%s: Get mac stats failed, err=%d.\n", __func__, err);
1042         }
1043
1044         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1045                 stats_dma_t);
1046
1047         qlcnic_free_mbx_args(&cmd);
1048
1049         return err;
1050 }
1051
1052 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
1053                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1054
1055         struct __qlcnic_esw_statistics port_stats;
1056         u8 i;
1057         int ret = -EIO;
1058
1059         if (esw_stats == NULL)
1060                 return -ENOMEM;
1061         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1062                 return -EIO;
1063         if (adapter->npars == NULL)
1064                 return -EIO;
1065
1066         memset(esw_stats, 0, sizeof(u64));
1067         esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
1068         esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
1069         esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
1070         esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
1071         esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
1072         esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
1073         esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
1074         esw_stats->context_id = eswitch;
1075
1076         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1077                 if (adapter->npars[i].phy_port != eswitch)
1078                         continue;
1079
1080                 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
1081                 if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
1082                                           rx_tx, &port_stats))
1083                         continue;
1084
1085                 esw_stats->size = port_stats.size;
1086                 esw_stats->version = port_stats.version;
1087                 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
1088                                                 port_stats.unicast_frames);
1089                 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
1090                                                 port_stats.multicast_frames);
1091                 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
1092                                                 port_stats.broadcast_frames);
1093                 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
1094                                                 port_stats.dropped_frames);
1095                 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
1096                                                 port_stats.errors);
1097                 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
1098                                                 port_stats.local_frames);
1099                 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
1100                                                 port_stats.numbytes);
1101                 ret = 0;
1102         }
1103         return ret;
1104 }
1105
1106 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
1107                 const u8 port, const u8 rx_tx)
1108 {
1109         int err;
1110         u32 arg1;
1111         struct qlcnic_cmd_args cmd;
1112
1113         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1114                 return -EIO;
1115
1116         if (func_esw == QLCNIC_STATS_PORT) {
1117                 if (port >= QLCNIC_MAX_PCI_FUNC)
1118                         goto err_ret;
1119         } else if (func_esw == QLCNIC_STATS_ESWITCH) {
1120                 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
1121                         goto err_ret;
1122         } else {
1123                 goto err_ret;
1124         }
1125
1126         if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
1127                 goto err_ret;
1128
1129         arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
1130         arg1 |= BIT_14 | rx_tx << 15;
1131
1132         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_ESWITCH_STATS);
1133         cmd.req.arg[1] = arg1;
1134         err = qlcnic_issue_cmd(adapter, &cmd);
1135         qlcnic_free_mbx_args(&cmd);
1136         return err;
1137
1138 err_ret:
1139         dev_err(&adapter->pdev->dev,
1140                 "Invalid args func_esw %d port %d rx_ctx %d\n",
1141                 func_esw, port, rx_tx);
1142         return -EIO;
1143 }
1144
1145 static int
1146 __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1147                                         u32 *arg1, u32 *arg2)
1148 {
1149         int err = -EIO;
1150         struct qlcnic_cmd_args cmd;
1151         u8 pci_func;
1152         pci_func = (*arg1 >> 8);
1153
1154         qlcnic_alloc_mbx_args(&cmd, adapter,
1155                               QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG);
1156         cmd.req.arg[1] = *arg1;
1157         err = qlcnic_issue_cmd(adapter, &cmd);
1158         *arg1 = cmd.rsp.arg[1];
1159         *arg2 = cmd.rsp.arg[2];
1160         qlcnic_free_mbx_args(&cmd);
1161
1162         if (err == QLCNIC_RCODE_SUCCESS)
1163                 dev_info(&adapter->pdev->dev,
1164                          "eSwitch port config for pci func %d\n", pci_func);
1165         else
1166                 dev_err(&adapter->pdev->dev,
1167                         "Failed to get eswitch port config for pci func %d\n",
1168                                                                 pci_func);
1169         return err;
1170 }
1171 /* Configure eSwitch port
1172 op_mode = 0 for setting default port behavior
1173 op_mode = 1 for setting  vlan id
1174 op_mode = 2 for deleting vlan id
1175 op_type = 0 for vlan_id
1176 op_type = 1 for port vlan_id
1177 */
1178 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1179                 struct qlcnic_esw_func_cfg *esw_cfg)
1180 {
1181         int err = -EIO, index;
1182         u32 arg1, arg2 = 0;
1183         struct qlcnic_cmd_args cmd;
1184         u8 pci_func;
1185
1186         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1187                 return err;
1188         pci_func = esw_cfg->pci_func;
1189         index = qlcnic_is_valid_nic_func(adapter, pci_func);
1190         if (index < 0)
1191                 return err;
1192         arg1 = (adapter->npars[index].phy_port & BIT_0);
1193         arg1 |= (pci_func << 8);
1194
1195         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1196                 return err;
1197         arg1 &= ~(0x0ff << 8);
1198         arg1 |= (pci_func << 8);
1199         arg1 &= ~(BIT_2 | BIT_3);
1200         switch (esw_cfg->op_mode) {
1201         case QLCNIC_PORT_DEFAULTS:
1202                 arg1 |= (BIT_4 | BIT_6 | BIT_7);
1203                 arg2 |= (BIT_0 | BIT_1);
1204                 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1205                         arg2 |= (BIT_2 | BIT_3);
1206                 if (!(esw_cfg->discard_tagged))
1207                         arg1 &= ~BIT_4;
1208                 if (!(esw_cfg->promisc_mode))
1209                         arg1 &= ~BIT_6;
1210                 if (!(esw_cfg->mac_override))
1211                         arg1 &= ~BIT_7;
1212                 if (!(esw_cfg->mac_anti_spoof))
1213                         arg2 &= ~BIT_0;
1214                 if (!(esw_cfg->offload_flags & BIT_0))
1215                         arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1216                 if (!(esw_cfg->offload_flags & BIT_1))
1217                         arg2 &= ~BIT_2;
1218                 if (!(esw_cfg->offload_flags & BIT_2))
1219                         arg2 &= ~BIT_3;
1220                 break;
1221         case QLCNIC_ADD_VLAN:
1222                         arg1 |= (BIT_2 | BIT_5);
1223                         arg1 |= (esw_cfg->vlan_id << 16);
1224                         break;
1225         case QLCNIC_DEL_VLAN:
1226                         arg1 |= (BIT_3 | BIT_5);
1227                         arg1 &= ~(0x0ffff << 16);
1228                         break;
1229         default:
1230                 return err;
1231         }
1232
1233         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_ESWITCH);
1234         cmd.req.arg[1] = arg1;
1235         cmd.req.arg[2] = arg2;
1236         err = qlcnic_issue_cmd(adapter, &cmd);
1237         qlcnic_free_mbx_args(&cmd);
1238
1239         if (err != QLCNIC_RCODE_SUCCESS)
1240                 dev_err(&adapter->pdev->dev,
1241                         "Failed to configure eswitch pci func %d\n", pci_func);
1242         else
1243                 dev_info(&adapter->pdev->dev,
1244                          "Configured eSwitch for pci func %d\n", pci_func);
1245
1246         return err;
1247 }
1248
1249 int
1250 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1251                         struct qlcnic_esw_func_cfg *esw_cfg)
1252 {
1253         u32 arg1, arg2;
1254         int index;
1255         u8 phy_port;
1256
1257         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
1258                 index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
1259                 if (index < 0)
1260                         return -EIO;
1261                 phy_port = adapter->npars[index].phy_port;
1262         } else {
1263                 phy_port = adapter->ahw->physical_port;
1264         }
1265         arg1 = phy_port;
1266         arg1 |= (esw_cfg->pci_func << 8);
1267         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1268                 return -EIO;
1269
1270         esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1271         esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1272         esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1273         esw_cfg->mac_override = !!(arg1 & BIT_7);
1274         esw_cfg->vlan_id = LSW(arg1 >> 16);
1275         esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1276         esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1277
1278         return 0;
1279 }