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

   1 /*
   2  * QLogic qlcnic NIC Driver
   3  * Copyright (c)  2009-2010 QLogic Corporation
   4  *
   5  * See LICENSE.qlcnic for copyright and licensing details.
   6  */
   7
   8 #include "qlcnic.h"
   9
  10 static 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
 130         signature = qlcnic_get_cmd_signature(ahw);
 131
 132         /* Acquire semaphore before accessing CRB */
 133         if (qlcnic_api_lock(adapter)) {
 134                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 135                 return cmd->rsp.arg[0];
 136         }
 137
 138         QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
 139         for (i = 1; i < QLCNIC_CDRP_MAX_ARGS; i++)
 140                 QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]);
 141         QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
 142                 QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0]));
 143         rsp = qlcnic_poll_rsp(adapter);
 144
 145         if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
 146                 dev_err(&pdev->dev, "card response timeout.\n");
 147                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 148         } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
 149                 cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1));
 150                 dev_err(&pdev->dev, "failed card response code:0x%x\n",
 151                         cmd->rsp.arg[0]);
 152         } else if (rsp == QLCNIC_CDRP_RSP_OK)
 153                 cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS;
 154
 155         for (i = 1; i < cmd->rsp.num; i++)
 156                 cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i));
 157
 158         /* Release semaphore */
 159         qlcnic_api_unlock(adapter);
 160         return cmd->rsp.arg[0];
 161 }
 162
 163 int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter)
 164 {
 165         int err = 0;
 166         void *tmp_addr;
 167         struct qlcnic_cmd_args cmd;
 168         dma_addr_t tmp_addr_t = 0;
 169
 170         tmp_addr = dma_alloc_coherent(&adapter->pdev->dev, 0x1000,
 171                                       &tmp_addr_t, GFP_KERNEL);
 172         if (!tmp_addr) {
 173                 dev_err(&adapter->pdev->dev,
 174                         "Can't get memory for FW dump template\n");
 175                 return -ENOMEM;
 176         }
 177
 178         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_TEMP_HDR)) {
 179                 err = -ENOMEM;
 180                 goto free_mem;
 181         }
 182
 183         cmd.req.arg[1] = LSD(tmp_addr_t);
 184         cmd.req.arg[2] = MSD(tmp_addr_t);
 185         cmd.req.arg[3] = 0x1000;
 186         err = qlcnic_issue_cmd(adapter, &cmd);
 187
 188
 189         qlcnic_free_mbx_args(&cmd);
 190
 191 free_mem:
 192         dma_free_coherent(&adapter->pdev->dev, 0x1000, tmp_addr, tmp_addr_t);
 193
 194         return err;
 195 }
 196
 197 int
 198 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
 199 {
 200         int err = 0;
 201         struct qlcnic_cmd_args cmd;
 202         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 203
 204         if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE)
 205                 return err;
 206         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU);
 207         cmd.req.arg[1] = recv_ctx->context_id;
 208         cmd.req.arg[2] = mtu;
 209
 210         err = qlcnic_issue_cmd(adapter, &cmd);
 211         if (err) {
 212                 dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
 213                 err = -EIO;
 214         }
 215         qlcnic_free_mbx_args(&cmd);
 216         return err;
 217 }
 218
 219 int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 220 {
 221         void *addr;
 222         struct qlcnic_hostrq_rx_ctx *prq;
 223         struct qlcnic_cardrsp_rx_ctx *prsp;
 224         struct qlcnic_hostrq_rds_ring *prq_rds;
 225         struct qlcnic_hostrq_sds_ring *prq_sds;
 226         struct qlcnic_cardrsp_rds_ring *prsp_rds;
 227         struct qlcnic_cardrsp_sds_ring *prsp_sds;
 228         struct qlcnic_host_rds_ring *rds_ring;
 229         struct qlcnic_host_sds_ring *sds_ring;
 230         struct qlcnic_cmd_args cmd;
 231
 232         dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
 233         u64 phys_addr;
 234
 235         u8 i, nrds_rings, nsds_rings;
 236         u16 temp_u16;
 237         size_t rq_size, rsp_size;
 238         u32 cap, reg, val, reg2;
 239         int err;
 240
 241         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 242
 243         nrds_rings = adapter->max_rds_rings;
 244         nsds_rings = adapter->max_sds_rings;
 245
 246         rq_size =
 247                 SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
 248                                                 nsds_rings);
 249         rsp_size =
 250                 SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
 251                                                 nsds_rings);
 252
 253         addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 254                         &hostrq_phys_addr, GFP_KERNEL);
 255         if (addr == NULL)
 256                 return -ENOMEM;
 257         prq = addr;
 258
 259         addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 260                         &cardrsp_phys_addr, GFP_KERNEL);
 261         if (addr == NULL) {
 262                 err = -ENOMEM;
 263                 goto out_free_rq;
 264         }
 265         prsp = addr;
 266
 267         prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
 268
 269         cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
 270                                                 | QLCNIC_CAP0_VALIDOFF);
 271         cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
 272
 273         temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler);
 274         prq->valid_field_offset = cpu_to_le16(temp_u16);
 275         prq->txrx_sds_binding = nsds_rings - 1;
 276
 277         prq->capabilities[0] = cpu_to_le32(cap);
 278         prq->host_int_crb_mode =
 279                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 280         prq->host_rds_crb_mode =
 281                 cpu_to_le32(QLCNIC_HOST_RDS_CRB_MODE_UNIQUE);
 282
 283         prq->num_rds_rings = cpu_to_le16(nrds_rings);
 284         prq->num_sds_rings = cpu_to_le16(nsds_rings);
 285         prq->rds_ring_offset = 0;
 286
 287         val = le32_to_cpu(prq->rds_ring_offset) +
 288                 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
 289         prq->sds_ring_offset = cpu_to_le32(val);
 290
 291         prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
 292                         le32_to_cpu(prq->rds_ring_offset));
 293
 294         for (i = 0; i < nrds_rings; i++) {
 295
 296                 rds_ring = &recv_ctx->rds_rings[i];
 297                 rds_ring->producer = 0;
 298
 299                 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
 300                 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
 301                 prq_rds[i].ring_kind = cpu_to_le32(i);
 302                 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
 303         }
 304
 305         prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
 306                         le32_to_cpu(prq->sds_ring_offset));
 307
 308         for (i = 0; i < nsds_rings; i++) {
 309
 310                 sds_ring = &recv_ctx->sds_rings[i];
 311                 sds_ring->consumer = 0;
 312                 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
 313
 314                 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
 315                 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
 316                 prq_sds[i].msi_index = cpu_to_le16(i);
 317         }
 318
 319         phys_addr = hostrq_phys_addr;
 320         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX);
 321         cmd.req.arg[1] = MSD(phys_addr);
 322         cmd.req.arg[2] = LSD(phys_addr);
 323         cmd.req.arg[3] = rq_size;
 324         err = qlcnic_issue_cmd(adapter, &cmd);
 325         if (err) {
 326                 dev_err(&adapter->pdev->dev,
 327                         "Failed to create rx ctx in firmware%d\n", err);
 328                 goto out_free_rsp;
 329         }
 330
 331         prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
 332                          &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
 333
 334         for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
 335                 rds_ring = &recv_ctx->rds_rings[i];
 336
 337                 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
 338                 rds_ring->crb_rcv_producer = adapter->ahw->pci_base0 + reg;
 339         }
 340
 341         prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
 342                         &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
 343
 344         for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
 345                 sds_ring = &recv_ctx->sds_rings[i];
 346
 347                 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
 348                 reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
 349
 350                 sds_ring->crb_sts_consumer = adapter->ahw->pci_base0 + reg;
 351                 sds_ring->crb_intr_mask = adapter->ahw->pci_base0 + reg2;
 352         }
 353
 354         recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
 355         recv_ctx->context_id = le16_to_cpu(prsp->context_id);
 356         recv_ctx->virt_port = prsp->virt_port;
 357
 358 out_free_rsp:
 359         dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
 360                 cardrsp_phys_addr);
 361         qlcnic_free_mbx_args(&cmd);
 362 out_free_rq:
 363         dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
 364         return err;
 365 }
 366
 367 static void
 368 qlcnic_fw_cmd_destroy_rx_ctx(struct qlcnic_adapter *adapter)
 369 {
 370         int err;
 371         struct qlcnic_cmd_args cmd;
 372         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 373
 374         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX);
 375         cmd.req.arg[1] = recv_ctx->context_id;
 376         err = qlcnic_issue_cmd(adapter, &cmd);
 377         if (err)
 378                 dev_err(&adapter->pdev->dev,
 379                         "Failed to destroy rx ctx in firmware\n");
 380
 381         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 382         qlcnic_free_mbx_args(&cmd);
 383 }
 384
 385 int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
 386                                      struct qlcnic_host_tx_ring *tx_ring,
 387                                      int ring)
 388 {
 389         struct qlcnic_hostrq_tx_ctx     *prq;
 390         struct qlcnic_hostrq_cds_ring   *prq_cds;
 391         struct qlcnic_cardrsp_tx_ctx    *prsp;
 392         void    *rq_addr, *rsp_addr;
 393         size_t  rq_size, rsp_size;
 394         u32     temp;
 395         struct qlcnic_cmd_args cmd;
 396         int     err;
 397         u64     phys_addr;
 398         dma_addr_t      rq_phys_addr, rsp_phys_addr;
 399
 400         /* reset host resources */
 401         tx_ring->producer = 0;
 402         tx_ring->sw_consumer = 0;
 403         *(tx_ring->hw_consumer) = 0;
 404
 405         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
 406         rq_addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 407                         &rq_phys_addr, GFP_KERNEL);
 408         if (!rq_addr)
 409                 return -ENOMEM;
 410
 411         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
 412         rsp_addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 413                         &rsp_phys_addr, GFP_KERNEL);
 414         if (!rsp_addr) {
 415                 err = -ENOMEM;
 416                 goto out_free_rq;
 417         }
 418
 419         memset(rq_addr, 0, rq_size);
 420         prq = rq_addr;
 421
 422         memset(rsp_addr, 0, rsp_size);
 423         prsp = rsp_addr;
 424
 425         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 426
 427         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 428                                         QLCNIC_CAP0_LSO);
 429         prq->capabilities[0] = cpu_to_le32(temp);
 430
 431         prq->host_int_crb_mode =
 432                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 433         prq->msi_index = 0;
 434
 435         prq->interrupt_ctl = 0;
 436         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 437
 438         prq_cds = &prq->cds_ring;
 439
 440         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 441         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 442
 443         phys_addr = rq_phys_addr;
 444
 445         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
 446         cmd.req.arg[1] = MSD(phys_addr);
 447         cmd.req.arg[2] = LSD(phys_addr);
 448         cmd.req.arg[3] = rq_size;
 449         err = qlcnic_issue_cmd(adapter, &cmd);
 450
 451         if (err == QLCNIC_RCODE_SUCCESS) {
 452                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 453                 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
 454                 tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
 455         } else {
 456                 dev_err(&adapter->pdev->dev,
 457                         "Failed to create tx ctx in firmware%d\n", err);
 458                 err = -EIO;
 459         }
 460
 461         dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
 462                           rsp_phys_addr);
 463
 464 out_free_rq:
 465         dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
 466         qlcnic_free_mbx_args(&cmd);
 467
 468         return err;
 469 }
 470
 471 static void
 472 qlcnic_fw_cmd_destroy_tx_ctx(struct qlcnic_adapter *adapter,
 473                              struct qlcnic_host_tx_ring *tx_ring)
 474 {
 475         struct qlcnic_cmd_args cmd;
 476
 477         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
 478         cmd.req.arg[1] = tx_ring->ctx_id;
 479         if (qlcnic_issue_cmd(adapter, &cmd))
 480                 dev_err(&adapter->pdev->dev,
 481                         "Failed to destroy tx ctx in firmware\n");
 482         qlcnic_free_mbx_args(&cmd);
 483 }
 484
 485 int
 486 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
 487 {
 488         int err;
 489         struct qlcnic_cmd_args cmd;
 490
 491         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
 492         cmd.req.arg[1] = config;
 493         err = qlcnic_issue_cmd(adapter, &cmd);
 494         qlcnic_free_mbx_args(&cmd);
 495         return err;
 496 }
 497
 498 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 499 {
 500         void *addr;
 501         int err, ring;
 502         struct qlcnic_recv_context *recv_ctx;
 503         struct qlcnic_host_rds_ring *rds_ring;
 504         struct qlcnic_host_sds_ring *sds_ring;
 505         struct qlcnic_host_tx_ring *tx_ring;
 506         __le32 *ptr;
 507
 508         struct pci_dev *pdev = adapter->pdev;
 509
 510         recv_ctx = adapter->recv_ctx;
 511
 512         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
 513                 tx_ring = &adapter->tx_ring[ring];
 514                 ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
 515                                                    &tx_ring->hw_cons_phys_addr,
 516                                                    GFP_KERNEL);
 517
 518                 if (ptr == NULL) {
 519                         dev_err(&pdev->dev, "failed to allocate tx consumer\n");
 520                         return -ENOMEM;
 521                 }
 522                 tx_ring->hw_consumer = ptr;
 523                 /* cmd desc ring */
 524                 addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
 525                                           &tx_ring->phys_addr,
 526                                           GFP_KERNEL);
 527
 528                 if (addr == NULL) {
 529                         dev_err(&pdev->dev,
 530                                 "failed to allocate tx desc ring\n");
 531                         err = -ENOMEM;
 532                         goto err_out_free;
 533                 }
 534
 535                 tx_ring->desc_head = addr;
 536         }
 537
 538         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 539                 rds_ring = &recv_ctx->rds_rings[ring];
 540                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 541                                 RCV_DESC_RINGSIZE(rds_ring),
 542                                 &rds_ring->phys_addr, GFP_KERNEL);
 543                 if (addr == NULL) {
 544                         dev_err(&pdev->dev,
 545                                 "failed to allocate rds ring [%d]\n", ring);
 546                         err = -ENOMEM;
 547                         goto err_out_free;
 548                 }
 549                 rds_ring->desc_head = addr;
 550
 551         }
 552
 553         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 554                 sds_ring = &recv_ctx->sds_rings[ring];
 555
 556                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 557                                 STATUS_DESC_RINGSIZE(sds_ring),
 558                                 &sds_ring->phys_addr, GFP_KERNEL);
 559                 if (addr == NULL) {
 560                         dev_err(&pdev->dev,
 561                                 "failed to allocate sds ring [%d]\n", ring);
 562                         err = -ENOMEM;
 563                         goto err_out_free;
 564                 }
 565                 sds_ring->desc_head = addr;
 566         }
 567
 568         return 0;
 569
 570 err_out_free:
 571         qlcnic_free_hw_resources(adapter);
 572         return err;
 573 }
 574
 575 int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev)
 576 {
 577         int i, err, ring;
 578
 579         if (dev->flags & QLCNIC_NEED_FLR) {
 580                 pci_reset_function(dev->pdev);
 581                 dev->flags &= ~QLCNIC_NEED_FLR;
 582         }
 583
 584         err = qlcnic_fw_cmd_create_rx_ctx(dev);
 585         if (err)
 586                 return err;
 587
 588         for (ring = 0; ring < dev->max_drv_tx_rings; ring++) {
 589                 err = qlcnic_fw_cmd_create_tx_ctx(dev,
 590                                                   &dev->tx_ring[ring],
 591                                                   ring);
 592                 if (err) {
 593                         qlcnic_fw_cmd_destroy_rx_ctx(dev);
 594                         if (ring == 0)
 595                                 return err;
 596
 597                         for (i = 0; i < ring; i++)
 598                                 qlcnic_fw_cmd_destroy_tx_ctx(dev,
 599                                                              &dev->tx_ring[i]);
 600
 601                         return err;
 602                 }
 603         }
 604
 605         set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
 606         return 0;
 607 }
 608
 609 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 610 {
 611         int ring;
 612
 613         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 614                 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
 615                 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++)
 616                         qlcnic_fw_cmd_destroy_tx_ctx(adapter,
 617                                                      &adapter->tx_ring[ring]);
 618                 /* Allow dma queues to drain after context reset */
 619                 mdelay(20);
 620         }
 621 }
 622
 623 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 624 {
 625         struct qlcnic_recv_context *recv_ctx;
 626         struct qlcnic_host_rds_ring *rds_ring;
 627         struct qlcnic_host_sds_ring *sds_ring;
 628         struct qlcnic_host_tx_ring *tx_ring;
 629         int ring;
 630
 631         recv_ctx = adapter->recv_ctx;
 632
 633         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
 634                 tx_ring = &adapter->tx_ring[ring];
 635                 if (tx_ring->hw_consumer != NULL) {
 636                         dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
 637                                           tx_ring->hw_consumer,
 638                                           tx_ring->hw_cons_phys_addr);
 639
 640                         tx_ring->hw_consumer = NULL;
 641                 }
 642
 643                 if (tx_ring->desc_head != NULL) {
 644                         dma_free_coherent(&adapter->pdev->dev,
 645                                           TX_DESC_RINGSIZE(tx_ring),
 646                                           tx_ring->desc_head,
 647                                           tx_ring->phys_addr);
 648                         tx_ring->desc_head = NULL;
 649                 }
 650         }
 651
 652         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 653                 rds_ring = &recv_ctx->rds_rings[ring];
 654
 655                 if (rds_ring->desc_head != NULL) {
 656                         dma_free_coherent(&adapter->pdev->dev,
 657                                         RCV_DESC_RINGSIZE(rds_ring),
 658                                         rds_ring->desc_head,
 659                                         rds_ring->phys_addr);
 660                         rds_ring->desc_head = NULL;
 661                 }
 662         }
 663
 664         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 665                 sds_ring = &recv_ctx->sds_rings[ring];
 666
 667                 if (sds_ring->desc_head != NULL) {
 668                         dma_free_coherent(&adapter->pdev->dev,
 669                                 STATUS_DESC_RINGSIZE(sds_ring),
 670                                 sds_ring->desc_head,
 671                                 sds_ring->phys_addr);
 672                         sds_ring->desc_head = NULL;
 673                 }
 674         }
 675 }
 676
 677
 678 int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
 679 {
 680         int err, i;
 681         struct qlcnic_cmd_args cmd;
 682         u32 mac_low, mac_high;
 683
 684         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
 685         cmd.req.arg[1] = adapter->ahw->pci_func | BIT_8;
 686         err = qlcnic_issue_cmd(adapter, &cmd);
 687
 688         if (err == QLCNIC_RCODE_SUCCESS) {
 689                 mac_low = cmd.rsp.arg[1];
 690                 mac_high = cmd.rsp.arg[2];
 691
 692                 for (i = 0; i < 2; i++)
 693                         mac[i] = (u8) (mac_high >> ((1 - i) * 8));
 694                 for (i = 2; i < 6; i++)
 695                         mac[i] = (u8) (mac_low >> ((5 - i) * 8));
 696         } else {
 697                 dev_err(&adapter->pdev->dev,
 698                         "Failed to get mac address%d\n", err);
 699                 err = -EIO;
 700         }
 701         qlcnic_free_mbx_args(&cmd);
 702         return err;
 703 }
 704
 705 /* Get info of a NIC partition */
 706 int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
 707                              struct qlcnic_info *npar_info, u8 func_id)
 708 {
 709         int     err;
 710         dma_addr_t nic_dma_t;
 711         const struct qlcnic_info_le *nic_info;
 712         void *nic_info_addr;
 713         struct qlcnic_cmd_args cmd;
 714         size_t  nic_size = sizeof(struct qlcnic_info_le);
 715
 716         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 717                                 &nic_dma_t, GFP_KERNEL);
 718         if (!nic_info_addr)
 719                 return -ENOMEM;
 720         memset(nic_info_addr, 0, nic_size);
 721
 722         nic_info = nic_info_addr;
 723
 724         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
 725         cmd.req.arg[1] = MSD(nic_dma_t);
 726         cmd.req.arg[2] = LSD(nic_dma_t);
 727         cmd.req.arg[3] = (func_id << 16 | nic_size);
 728         err = qlcnic_issue_cmd(adapter, &cmd);
 729         if (err != QLCNIC_RCODE_SUCCESS) {
 730                 dev_err(&adapter->pdev->dev,
 731                         "Failed to get nic info%d\n", err);
 732                 err = -EIO;
 733         } else {
 734                 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
 735                 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
 736                 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 737                 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 738                 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
 739                 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
 740                 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 741                 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 742                 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
 743                 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 744         }
 745
 746         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 747                           nic_dma_t);
 748         qlcnic_free_mbx_args(&cmd);
 749
 750         return err;
 751 }
 752
 753 /* Configure a NIC partition */
 754 int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter,
 755                              struct qlcnic_info *nic)
 756 {
 757         int err = -EIO;
 758         dma_addr_t nic_dma_t;
 759         void *nic_info_addr;
 760         struct qlcnic_cmd_args cmd;
 761         struct qlcnic_info_le *nic_info;
 762         size_t nic_size = sizeof(struct qlcnic_info_le);
 763
 764         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
 765                 return err;
 766
 767         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 768                         &nic_dma_t, GFP_KERNEL);
 769         if (!nic_info_addr)
 770                 return -ENOMEM;
 771
 772         memset(nic_info_addr, 0, nic_size);
 773         nic_info = nic_info_addr;
 774
 775         nic_info->pci_func = cpu_to_le16(nic->pci_func);
 776         nic_info->op_mode = cpu_to_le16(nic->op_mode);
 777         nic_info->phys_port = cpu_to_le16(nic->phys_port);
 778         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 779         nic_info->capabilities = cpu_to_le32(nic->capabilities);
 780         nic_info->max_mac_filters = nic->max_mac_filters;
 781         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 782         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 783         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 784         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 785
 786         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
 787         cmd.req.arg[1] = MSD(nic_dma_t);
 788         cmd.req.arg[2] = LSD(nic_dma_t);
 789         cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size);
 790         err = qlcnic_issue_cmd(adapter, &cmd);
 791
 792         if (err != QLCNIC_RCODE_SUCCESS) {
 793                 dev_err(&adapter->pdev->dev,
 794                         "Failed to set nic info%d\n", err);
 795                 err = -EIO;
 796         }
 797
 798         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 799                 nic_dma_t);
 800         qlcnic_free_mbx_args(&cmd);
 801
 802         return err;
 803 }
 804
 805 /* Get PCI Info of a partition */
 806 int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter,
 807                              struct qlcnic_pci_info *pci_info)
 808 {
 809         int err = 0, i;
 810         struct qlcnic_cmd_args cmd;
 811         dma_addr_t pci_info_dma_t;
 812         struct qlcnic_pci_info_le *npar;
 813         void *pci_info_addr;
 814         size_t npar_size = sizeof(struct qlcnic_pci_info_le);
 815         size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
 816
 817         pci_info_addr = dma_alloc_coherent(&adapter->pdev->dev, pci_size,
 818                         &pci_info_dma_t, GFP_KERNEL);
 819         if (!pci_info_addr)
 820                 return -ENOMEM;
 821         memset(pci_info_addr, 0, pci_size);
 822
 823         npar = pci_info_addr;
 824         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
 825         cmd.req.arg[1] = MSD(pci_info_dma_t);
 826         cmd.req.arg[2] = LSD(pci_info_dma_t);
 827         cmd.req.arg[3] = pci_size;
 828         err = qlcnic_issue_cmd(adapter, &cmd);
 829
 830         adapter->ahw->act_pci_func = 0;
 831         if (err == QLCNIC_RCODE_SUCCESS) {
 832                 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) {
 833                         pci_info->id = le16_to_cpu(npar->id);
 834                         pci_info->active = le16_to_cpu(npar->active);
 835                         pci_info->type = le16_to_cpu(npar->type);
 836                         if (pci_info->type == QLCNIC_TYPE_NIC)
 837                                 adapter->ahw->act_pci_func++;
 838                         pci_info->default_port =
 839                                 le16_to_cpu(npar->default_port);
 840                         pci_info->tx_min_bw =
 841                                 le16_to_cpu(npar->tx_min_bw);
 842                         pci_info->tx_max_bw =
 843                                 le16_to_cpu(npar->tx_max_bw);
 844                         memcpy(pci_info->mac, npar->mac, ETH_ALEN);
 845                 }
 846         } else {
 847                 dev_err(&adapter->pdev->dev,
 848                         "Failed to get PCI Info%d\n", err);
 849                 err = -EIO;
 850         }
 851
 852         dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
 853                 pci_info_dma_t);
 854         qlcnic_free_mbx_args(&cmd);
 855
 856         return err;
 857 }
 858
 859 /* Configure eSwitch for port mirroring */
 860 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
 861                                 u8 enable_mirroring, u8 pci_func)
 862 {
 863         int err = -EIO;
 864         u32 arg1;
 865         struct qlcnic_cmd_args cmd;
 866
 867         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
 868             !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
 869                 return err;
 870
 871         arg1 = id | (enable_mirroring ? BIT_4 : 0);
 872         arg1 |= pci_func << 8;
 873
 874         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_PORTMIRRORING);
 875         cmd.req.arg[1] = arg1;
 876         err = qlcnic_issue_cmd(adapter, &cmd);
 877
 878         if (err != QLCNIC_RCODE_SUCCESS)
 879                 dev_err(&adapter->pdev->dev,
 880                         "Failed to configure port mirroring%d on eswitch:%d\n",
 881                         pci_func, id);
 882         else
 883                 dev_info(&adapter->pdev->dev,
 884                         "Configured eSwitch %d for port mirroring:%d\n",
 885                         id, pci_func);
 886         qlcnic_free_mbx_args(&cmd);
 887
 888         return err;
 889 }
 890
 891 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
 892                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
 893
 894         size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
 895         struct qlcnic_esw_stats_le *stats;
 896         dma_addr_t stats_dma_t;
 897         void *stats_addr;
 898         u32 arg1;
 899         struct qlcnic_cmd_args cmd;
 900         int err;
 901
 902         if (esw_stats == NULL)
 903                 return -ENOMEM;
 904
 905         if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
 906             (func != adapter->ahw->pci_func)) {
 907                 dev_err(&adapter->pdev->dev,
 908                         "Not privilege to query stats for func=%d", func);
 909                 return -EIO;
 910         }
 911
 912         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
 913                         &stats_dma_t, GFP_KERNEL);
 914         if (!stats_addr) {
 915                 dev_err(&adapter->pdev->dev, "Unable to allocate memory\n");
 916                 return -ENOMEM;
 917         }
 918         memset(stats_addr, 0, stats_size);
 919
 920         arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
 921         arg1 |= rx_tx << 15 | stats_size << 16;
 922
 923         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_ESWITCH_STATS);
 924         cmd.req.arg[1] = arg1;
 925         cmd.req.arg[2] = MSD(stats_dma_t);
 926         cmd.req.arg[3] = LSD(stats_dma_t);
 927         err = qlcnic_issue_cmd(adapter, &cmd);
 928
 929         if (!err) {
 930                 stats = stats_addr;
 931                 esw_stats->context_id = le16_to_cpu(stats->context_id);
 932                 esw_stats->version = le16_to_cpu(stats->version);
 933                 esw_stats->size = le16_to_cpu(stats->size);
 934                 esw_stats->multicast_frames =
 935                                 le64_to_cpu(stats->multicast_frames);
 936                 esw_stats->broadcast_frames =
 937                                 le64_to_cpu(stats->broadcast_frames);
 938                 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
 939                 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
 940                 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
 941                 esw_stats->errors = le64_to_cpu(stats->errors);
 942                 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
 943         }
 944
 945         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
 946                 stats_dma_t);
 947         qlcnic_free_mbx_args(&cmd);
 948
 949         return err;
 950 }
 951
 952 /* This routine will retrieve the MAC statistics from firmware */
 953 int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
 954                 struct qlcnic_mac_statistics *mac_stats)
 955 {
 956         struct qlcnic_mac_statistics_le *stats;
 957         struct qlcnic_cmd_args cmd;
 958         size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
 959         dma_addr_t stats_dma_t;
 960         void *stats_addr;
 961         int err;
 962
 963         if (mac_stats == NULL)
 964                 return -ENOMEM;
 965
 966         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
 967                         &stats_dma_t, GFP_KERNEL);
 968         if (!stats_addr) {
 969                 dev_err(&adapter->pdev->dev,
 970                         "%s: Unable to allocate memory.\n", __func__);
 971                 return -ENOMEM;
 972         }
 973         memset(stats_addr, 0, stats_size);
 974         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS);
 975         cmd.req.arg[1] = stats_size << 16;
 976         cmd.req.arg[2] = MSD(stats_dma_t);
 977         cmd.req.arg[3] = LSD(stats_dma_t);
 978         err = qlcnic_issue_cmd(adapter, &cmd);
 979         if (!err) {
 980                 stats = stats_addr;
 981                 mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
 982                 mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
 983                 mac_stats->mac_tx_mcast_pkts =
 984                                         le64_to_cpu(stats->mac_tx_mcast_pkts);
 985                 mac_stats->mac_tx_bcast_pkts =
 986                                         le64_to_cpu(stats->mac_tx_bcast_pkts);
 987                 mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
 988                 mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
 989                 mac_stats->mac_rx_mcast_pkts =
 990                                         le64_to_cpu(stats->mac_rx_mcast_pkts);
 991                 mac_stats->mac_rx_length_error =
 992                                 le64_to_cpu(stats->mac_rx_length_error);
 993                 mac_stats->mac_rx_length_small =
 994                                 le64_to_cpu(stats->mac_rx_length_small);
 995                 mac_stats->mac_rx_length_large =
 996                                 le64_to_cpu(stats->mac_rx_length_large);
 997                 mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
 998                 mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
 999                 mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
1000         } else {
1001                 dev_err(&adapter->pdev->dev,
1002                         "%s: Get mac stats failed, err=%d.\n", __func__, err);
1003         }
1004
1005         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1006                 stats_dma_t);
1007
1008         qlcnic_free_mbx_args(&cmd);
1009
1010         return err;
1011 }
1012
1013 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
1014                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1015
1016         struct __qlcnic_esw_statistics port_stats;
1017         u8 i;
1018         int ret = -EIO;
1019
1020         if (esw_stats == NULL)
1021                 return -ENOMEM;
1022         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1023                 return -EIO;
1024         if (adapter->npars == NULL)
1025                 return -EIO;
1026
1027         memset(esw_stats, 0, sizeof(u64));
1028         esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
1029         esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
1030         esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
1031         esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
1032         esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
1033         esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
1034         esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
1035         esw_stats->context_id = eswitch;
1036
1037         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1038                 if (adapter->npars[i].phy_port != eswitch)
1039                         continue;
1040
1041                 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
1042                 if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
1043                                           rx_tx, &port_stats))
1044                         continue;
1045
1046                 esw_stats->size = port_stats.size;
1047                 esw_stats->version = port_stats.version;
1048                 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
1049                                                 port_stats.unicast_frames);
1050                 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
1051                                                 port_stats.multicast_frames);
1052                 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
1053                                                 port_stats.broadcast_frames);
1054                 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
1055                                                 port_stats.dropped_frames);
1056                 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
1057                                                 port_stats.errors);
1058                 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
1059                                                 port_stats.local_frames);
1060                 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
1061                                                 port_stats.numbytes);
1062                 ret = 0;
1063         }
1064         return ret;
1065 }
1066
1067 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
1068                 const u8 port, const u8 rx_tx)
1069 {
1070         int err;
1071         u32 arg1;
1072         struct qlcnic_cmd_args cmd;
1073
1074         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1075                 return -EIO;
1076
1077         if (func_esw == QLCNIC_STATS_PORT) {
1078                 if (port >= QLCNIC_MAX_PCI_FUNC)
1079                         goto err_ret;
1080         } else if (func_esw == QLCNIC_STATS_ESWITCH) {
1081                 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
1082                         goto err_ret;
1083         } else {
1084                 goto err_ret;
1085         }
1086
1087         if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
1088                 goto err_ret;
1089
1090         arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
1091         arg1 |= BIT_14 | rx_tx << 15;
1092
1093         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_ESWITCH_STATS);
1094         cmd.req.arg[1] = arg1;
1095         err = qlcnic_issue_cmd(adapter, &cmd);
1096         qlcnic_free_mbx_args(&cmd);
1097         return err;
1098
1099 err_ret:
1100         dev_err(&adapter->pdev->dev,
1101                 "Invalid args func_esw %d port %d rx_ctx %d\n",
1102                 func_esw, port, rx_tx);
1103         return -EIO;
1104 }
1105
1106 static int
1107 __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1108                                         u32 *arg1, u32 *arg2)
1109 {
1110         int err = -EIO;
1111         struct qlcnic_cmd_args cmd;
1112         u8 pci_func;
1113         pci_func = (*arg1 >> 8);
1114
1115         qlcnic_alloc_mbx_args(&cmd, adapter,
1116                               QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG);
1117         cmd.req.arg[1] = *arg1;
1118         err = qlcnic_issue_cmd(adapter, &cmd);
1119         *arg1 = cmd.rsp.arg[1];
1120         *arg2 = cmd.rsp.arg[2];
1121         qlcnic_free_mbx_args(&cmd);
1122
1123         if (err == QLCNIC_RCODE_SUCCESS)
1124                 dev_info(&adapter->pdev->dev,
1125                          "eSwitch port config for pci func %d\n", pci_func);
1126         else
1127                 dev_err(&adapter->pdev->dev,
1128                         "Failed to get eswitch port config for pci func %d\n",
1129                                                                 pci_func);
1130         return err;
1131 }
1132 /* Configure eSwitch port
1133 op_mode = 0 for setting default port behavior
1134 op_mode = 1 for setting  vlan id
1135 op_mode = 2 for deleting vlan id
1136 op_type = 0 for vlan_id
1137 op_type = 1 for port vlan_id
1138 */
1139 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1140                 struct qlcnic_esw_func_cfg *esw_cfg)
1141 {
1142         int err = -EIO, index;
1143         u32 arg1, arg2 = 0;
1144         struct qlcnic_cmd_args cmd;
1145         u8 pci_func;
1146
1147         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1148                 return err;
1149         pci_func = esw_cfg->pci_func;
1150         index = qlcnic_is_valid_nic_func(adapter, pci_func);
1151         if (index < 0)
1152                 return err;
1153         arg1 = (adapter->npars[index].phy_port & BIT_0);
1154         arg1 |= (pci_func << 8);
1155
1156         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1157                 return err;
1158         arg1 &= ~(0x0ff << 8);
1159         arg1 |= (pci_func << 8);
1160         arg1 &= ~(BIT_2 | BIT_3);
1161         switch (esw_cfg->op_mode) {
1162         case QLCNIC_PORT_DEFAULTS:
1163                 arg1 |= (BIT_4 | BIT_6 | BIT_7);
1164                 arg2 |= (BIT_0 | BIT_1);
1165                 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1166                         arg2 |= (BIT_2 | BIT_3);
1167                 if (!(esw_cfg->discard_tagged))
1168                         arg1 &= ~BIT_4;
1169                 if (!(esw_cfg->promisc_mode))
1170                         arg1 &= ~BIT_6;
1171                 if (!(esw_cfg->mac_override))
1172                         arg1 &= ~BIT_7;
1173                 if (!(esw_cfg->mac_anti_spoof))
1174                         arg2 &= ~BIT_0;
1175                 if (!(esw_cfg->offload_flags & BIT_0))
1176                         arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1177                 if (!(esw_cfg->offload_flags & BIT_1))
1178                         arg2 &= ~BIT_2;
1179                 if (!(esw_cfg->offload_flags & BIT_2))
1180                         arg2 &= ~BIT_3;
1181                 break;
1182         case QLCNIC_ADD_VLAN:
1183                         arg1 |= (BIT_2 | BIT_5);
1184                         arg1 |= (esw_cfg->vlan_id << 16);
1185                         break;
1186         case QLCNIC_DEL_VLAN:
1187                         arg1 |= (BIT_3 | BIT_5);
1188                         arg1 &= ~(0x0ffff << 16);
1189                         break;
1190         default:
1191                 return err;
1192         }
1193
1194         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_ESWITCH);
1195         cmd.req.arg[1] = arg1;
1196         cmd.req.arg[2] = arg2;
1197         err = qlcnic_issue_cmd(adapter, &cmd);
1198         qlcnic_free_mbx_args(&cmd);
1199
1200         if (err != QLCNIC_RCODE_SUCCESS)
1201                 dev_err(&adapter->pdev->dev,
1202                         "Failed to configure eswitch pci func %d\n", pci_func);
1203         else
1204                 dev_info(&adapter->pdev->dev,
1205                          "Configured eSwitch for pci func %d\n", pci_func);
1206
1207         return err;
1208 }
1209
1210 int
1211 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1212                         struct qlcnic_esw_func_cfg *esw_cfg)
1213 {
1214         u32 arg1, arg2;
1215         int index;
1216         u8 phy_port;
1217
1218         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
1219                 index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
1220                 if (index < 0)
1221                         return -EIO;
1222                 phy_port = adapter->npars[index].phy_port;
1223         } else {
1224                 phy_port = adapter->ahw->physical_port;
1225         }
1226         arg1 = phy_port;
1227         arg1 |= (esw_cfg->pci_func << 8);
1228         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1229                 return -EIO;
1230
1231         esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1232         esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1233         esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1234         esw_cfg->mac_override = !!(arg1 & BIT_7);
1235         esw_cfg->vlan_id = LSW(arg1 >> 16);
1236         esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1237         esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1238
1239         return 0;
1240 }