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, 3, 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, 4, 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_82XX_SET_DRV_VER, 4, 1},
  40         {QLCNIC_CMD_GET_LED_STATUS, 4, 2},
  41         {QLCNIC_CMD_MQ_TX_CONFIG_INTR, 2, 3},
  42         {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2},
  43         {QLCNIC_CMD_DCB_QUERY_PARAM, 4, 1},
  44 };
  45
  46 static inline u32 qlcnic_get_cmd_signature(struct qlcnic_hardware_context *ahw)
  47 {
  48         return (ahw->pci_func & 0xff) | ((ahw->fw_hal_version & 0xff) << 8) |
  49                (0xcafe << 16);
  50 }
  51
  52 /* Allocate mailbox registers */
  53 int qlcnic_82xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
  54                                struct qlcnic_adapter *adapter, u32 type)
  55 {
  56         int i, size;
  57         const struct qlcnic_mailbox_metadata *mbx_tbl;
  58
  59         mbx_tbl = qlcnic_mbx_tbl;
  60         size = ARRAY_SIZE(qlcnic_mbx_tbl);
  61         for (i = 0; i < size; i++) {
  62                 if (type == mbx_tbl[i].cmd) {
  63                         mbx->req.num = mbx_tbl[i].in_args;
  64                         mbx->rsp.num = mbx_tbl[i].out_args;
  65                         mbx->req.arg = kcalloc(mbx->req.num,
  66                                                sizeof(u32), GFP_ATOMIC);
  67                         if (!mbx->req.arg)
  68                                 return -ENOMEM;
  69                         mbx->rsp.arg = kcalloc(mbx->rsp.num,
  70                                                sizeof(u32), GFP_ATOMIC);
  71                         if (!mbx->rsp.arg) {
  72                                 kfree(mbx->req.arg);
  73                                 mbx->req.arg = NULL;
  74                                 return -ENOMEM;
  75                         }
  76                         mbx->req.arg[0] = type;
  77                         break;
  78                 }
  79         }
  80         return 0;
  81 }
  82
  83 /* Free up mailbox registers */
  84 void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd)
  85 {
  86         kfree(cmd->req.arg);
  87         cmd->req.arg = NULL;
  88         kfree(cmd->rsp.arg);
  89         cmd->rsp.arg = NULL;
  90 }
  91
  92 static u32
  93 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
  94 {
  95         u32 rsp;
  96         int timeout = 0, err = 0;
  97
  98         do {
  99                 /* give atleast 1ms for firmware to respond */
 100                 mdelay(1);
 101
 102                 if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
 103                         return QLCNIC_CDRP_RSP_TIMEOUT;
 104
 105                 rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET, &err);
 106         } while (!QLCNIC_CDRP_IS_RSP(rsp));
 107
 108         return rsp;
 109 }
 110
 111 int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter,
 112                           struct qlcnic_cmd_args *cmd)
 113 {
 114         int i, err = 0;
 115         u32 rsp;
 116         u32 signature;
 117         struct pci_dev *pdev = adapter->pdev;
 118         struct qlcnic_hardware_context *ahw = adapter->ahw;
 119         const char *fmt;
 120
 121         signature = qlcnic_get_cmd_signature(ahw);
 122
 123         /* Acquire semaphore before accessing CRB */
 124         if (qlcnic_api_lock(adapter)) {
 125                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 126                 return cmd->rsp.arg[0];
 127         }
 128
 129         QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
 130         for (i = 1; i < cmd->req.num; i++)
 131                 QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]);
 132         QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
 133                 QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0]));
 134         rsp = qlcnic_poll_rsp(adapter);
 135
 136         if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
 137                 dev_err(&pdev->dev, "command timeout, response = 0x%x\n", rsp);
 138                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 139         } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
 140                 cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1), &err);
 141                 switch (cmd->rsp.arg[0]) {
 142                 case QLCNIC_RCODE_INVALID_ARGS:
 143                         fmt = "CDRP invalid args: [%d]\n";
 144                         break;
 145                 case QLCNIC_RCODE_NOT_SUPPORTED:
 146                 case QLCNIC_RCODE_NOT_IMPL:
 147                         fmt = "CDRP command not supported: [%d]\n";
 148                         break;
 149                 case QLCNIC_RCODE_NOT_PERMITTED:
 150                         fmt = "CDRP requested action not permitted: [%d]\n";
 151                         break;
 152                 case QLCNIC_RCODE_INVALID:
 153                         fmt = "CDRP invalid or unknown cmd received: [%d]\n";
 154                         break;
 155                 case QLCNIC_RCODE_TIMEOUT:
 156                         fmt = "CDRP command timeout: [%d]\n";
 157                         break;
 158                 default:
 159                         fmt = "CDRP command failed: [%d]\n";
 160                         break;
 161                 }
 162                 dev_err(&pdev->dev, fmt, cmd->rsp.arg[0]);
 163                 qlcnic_dump_mbx(adapter, cmd);
 164         } else if (rsp == QLCNIC_CDRP_RSP_OK)
 165                 cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS;
 166
 167         for (i = 1; i < cmd->rsp.num; i++)
 168                 cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i), &err);
 169
 170         /* Release semaphore */
 171         qlcnic_api_unlock(adapter);
 172         return cmd->rsp.arg[0];
 173 }
 174
 175 int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter, u32 fw_cmd)
 176 {
 177         struct qlcnic_cmd_args cmd;
 178         u32 arg1, arg2, arg3;
 179         char drv_string[12];
 180         int err = 0;
 181
 182         memset(drv_string, 0, sizeof(drv_string));
 183         snprintf(drv_string, sizeof(drv_string), "%d"".""%d"".""%d",
 184                  _QLCNIC_LINUX_MAJOR, _QLCNIC_LINUX_MINOR,
 185                  _QLCNIC_LINUX_SUBVERSION);
 186
 187         err = qlcnic_alloc_mbx_args(&cmd, adapter, fw_cmd);
 188         if (err)
 189                 return err;
 190
 191         memcpy(&arg1, drv_string, sizeof(u32));
 192         memcpy(&arg2, drv_string + 4, sizeof(u32));
 193         memcpy(&arg3, drv_string + 8, sizeof(u32));
 194
 195         cmd.req.arg[1] = arg1;
 196         cmd.req.arg[2] = arg2;
 197         cmd.req.arg[3] = arg3;
 198
 199         err = qlcnic_issue_cmd(adapter, &cmd);
 200         if (err) {
 201                 dev_info(&adapter->pdev->dev,
 202                          "Failed to set driver version in firmware\n");
 203                 err = -EIO;
 204         }
 205         qlcnic_free_mbx_args(&cmd);
 206         return err;
 207 }
 208
 209 int
 210 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
 211 {
 212         int err = 0;
 213         struct qlcnic_cmd_args cmd;
 214         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 215
 216         if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE)
 217                 return err;
 218         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU);
 219         if (err)
 220                 return err;
 221
 222         cmd.req.arg[1] = recv_ctx->context_id;
 223         cmd.req.arg[2] = mtu;
 224
 225         err = qlcnic_issue_cmd(adapter, &cmd);
 226         if (err) {
 227                 dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
 228                 err = -EIO;
 229         }
 230         qlcnic_free_mbx_args(&cmd);
 231         return err;
 232 }
 233
 234 int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 235 {
 236         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 237         struct qlcnic_hardware_context *ahw = adapter->ahw;
 238         dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
 239         struct net_device *netdev = adapter->netdev;
 240         u32 temp_intr_crb_mode, temp_rds_crb_mode;
 241         struct qlcnic_cardrsp_rds_ring *prsp_rds;
 242         struct qlcnic_cardrsp_sds_ring *prsp_sds;
 243         struct qlcnic_hostrq_rds_ring *prq_rds;
 244         struct qlcnic_hostrq_sds_ring *prq_sds;
 245         struct qlcnic_host_rds_ring *rds_ring;
 246         struct qlcnic_host_sds_ring *sds_ring;
 247         struct qlcnic_cardrsp_rx_ctx *prsp;
 248         struct qlcnic_hostrq_rx_ctx *prq;
 249         u8 i, nrds_rings, nsds_rings;
 250         struct qlcnic_cmd_args cmd;
 251         size_t rq_size, rsp_size;
 252         u32 cap, reg, val, reg2;
 253         u64 phys_addr;
 254         u16 temp_u16;
 255         void *addr;
 256         int err;
 257
 258         nrds_rings = adapter->max_rds_rings;
 259         nsds_rings = adapter->drv_sds_rings;
 260
 261         rq_size = SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
 262                                    nsds_rings);
 263         rsp_size = SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
 264                                      nsds_rings);
 265
 266         addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 267                                   &hostrq_phys_addr, GFP_KERNEL);
 268         if (addr == NULL)
 269                 return -ENOMEM;
 270         prq = addr;
 271
 272         addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 273                         &cardrsp_phys_addr, GFP_KERNEL);
 274         if (addr == NULL) {
 275                 err = -ENOMEM;
 276                 goto out_free_rq;
 277         }
 278         prsp = addr;
 279
 280         prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
 281
 282         cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
 283                                                 | QLCNIC_CAP0_VALIDOFF);
 284         cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
 285
 286         if (qlcnic_check_multi_tx(adapter) &&
 287             !adapter->ahw->diag_test) {
 288                 cap |= QLCNIC_CAP0_TX_MULTI;
 289         } else {
 290                 temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler);
 291                 prq->valid_field_offset = cpu_to_le16(temp_u16);
 292                 prq->txrx_sds_binding = nsds_rings - 1;
 293                 temp_intr_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
 294                 prq->host_int_crb_mode = cpu_to_le32(temp_intr_crb_mode);
 295                 temp_rds_crb_mode = QLCNIC_HOST_RDS_CRB_MODE_UNIQUE;
 296                 prq->host_rds_crb_mode = cpu_to_le32(temp_rds_crb_mode);
 297         }
 298
 299         prq->capabilities[0] = cpu_to_le32(cap);
 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                 rds_ring = &recv_ctx->rds_rings[i];
 314                 rds_ring->producer = 0;
 315                 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
 316                 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
 317                 prq_rds[i].ring_kind = cpu_to_le32(i);
 318                 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
 319         }
 320
 321         prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
 322                         le32_to_cpu(prq->sds_ring_offset));
 323
 324         for (i = 0; i < nsds_rings; i++) {
 325                 sds_ring = &recv_ctx->sds_rings[i];
 326                 sds_ring->consumer = 0;
 327                 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
 328                 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
 329                 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
 330                 if (qlcnic_check_multi_tx(adapter) &&
 331                     !adapter->ahw->diag_test)
 332                         prq_sds[i].msi_index = cpu_to_le16(ahw->intr_tbl[i].id);
 333                 else
 334                         prq_sds[i].msi_index = cpu_to_le16(i);
 335         }
 336
 337         phys_addr = hostrq_phys_addr;
 338         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX);
 339         if (err)
 340                 goto out_free_rsp;
 341
 342         cmd.req.arg[1] = MSD(phys_addr);
 343         cmd.req.arg[2] = LSD(phys_addr);
 344         cmd.req.arg[3] = rq_size;
 345         err = qlcnic_issue_cmd(adapter, &cmd);
 346         if (err) {
 347                 dev_err(&adapter->pdev->dev,
 348                         "Failed to create rx ctx in firmware%d\n", err);
 349                 goto out_free_rsp;
 350         }
 351
 352         prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
 353                          &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
 354
 355         for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
 356                 rds_ring = &recv_ctx->rds_rings[i];
 357                 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
 358                 rds_ring->crb_rcv_producer = ahw->pci_base0 + reg;
 359         }
 360
 361         prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
 362                         &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
 363
 364         for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
 365                 sds_ring = &recv_ctx->sds_rings[i];
 366                 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
 367                 if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
 368                         reg2 = ahw->intr_tbl[i].src;
 369                 else
 370                         reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
 371
 372                 sds_ring->crb_intr_mask = ahw->pci_base0 + reg2;
 373                 sds_ring->crb_sts_consumer = ahw->pci_base0 + reg;
 374         }
 375
 376         recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
 377         recv_ctx->context_id = le16_to_cpu(prsp->context_id);
 378         recv_ctx->virt_port = prsp->virt_port;
 379
 380         netdev_info(netdev, "Rx Context[%d] Created, state 0x%x\n",
 381                     recv_ctx->context_id, recv_ctx->state);
 382         qlcnic_free_mbx_args(&cmd);
 383
 384 out_free_rsp:
 385         dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
 386                           cardrsp_phys_addr);
 387 out_free_rq:
 388         dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
 389
 390         return err;
 391 }
 392
 393 void qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter)
 394 {
 395         int err;
 396         struct qlcnic_cmd_args cmd;
 397         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 398
 399         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX);
 400         if (err)
 401                 return;
 402
 403         cmd.req.arg[1] = recv_ctx->context_id;
 404         err = qlcnic_issue_cmd(adapter, &cmd);
 405         if (err)
 406                 dev_err(&adapter->pdev->dev,
 407                         "Failed to destroy rx ctx in firmware\n");
 408
 409         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 410         qlcnic_free_mbx_args(&cmd);
 411 }
 412
 413 int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
 414                                      struct qlcnic_host_tx_ring *tx_ring,
 415                                      int ring)
 416 {
 417         struct qlcnic_hardware_context *ahw = adapter->ahw;
 418         struct net_device *netdev = adapter->netdev;
 419         struct qlcnic_hostrq_tx_ctx     *prq;
 420         struct qlcnic_hostrq_cds_ring   *prq_cds;
 421         struct qlcnic_cardrsp_tx_ctx    *prsp;
 422         struct qlcnic_cmd_args cmd;
 423         u32 temp, intr_mask, temp_int_crb_mode;
 424         dma_addr_t rq_phys_addr, rsp_phys_addr;
 425         int temp_nsds_rings, index, err;
 426         void *rq_addr, *rsp_addr;
 427         size_t rq_size, rsp_size;
 428         u64 phys_addr;
 429         u16 msix_id;
 430
 431         /* reset host resources */
 432         tx_ring->producer = 0;
 433         tx_ring->sw_consumer = 0;
 434         *(tx_ring->hw_consumer) = 0;
 435
 436         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
 437         rq_addr = dma_zalloc_coherent(&adapter->pdev->dev, rq_size,
 438                                       &rq_phys_addr, GFP_KERNEL);
 439         if (!rq_addr)
 440                 return -ENOMEM;
 441
 442         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
 443         rsp_addr = dma_zalloc_coherent(&adapter->pdev->dev, rsp_size,
 444                                        &rsp_phys_addr, GFP_KERNEL);
 445         if (!rsp_addr) {
 446                 err = -ENOMEM;
 447                 goto out_free_rq;
 448         }
 449
 450         prq = rq_addr;
 451         prsp = rsp_addr;
 452
 453         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 454
 455         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 456                 QLCNIC_CAP0_LSO);
 457         if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
 458                 temp |= QLCNIC_CAP0_TX_MULTI;
 459
 460         prq->capabilities[0] = cpu_to_le32(temp);
 461
 462         if (qlcnic_check_multi_tx(adapter) &&
 463             !adapter->ahw->diag_test) {
 464                 temp_nsds_rings = adapter->drv_sds_rings;
 465                 index = temp_nsds_rings + ring;
 466                 msix_id = ahw->intr_tbl[index].id;
 467                 prq->msi_index = cpu_to_le16(msix_id);
 468         } else {
 469                 temp_int_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
 470                 prq->host_int_crb_mode = cpu_to_le32(temp_int_crb_mode);
 471                 prq->msi_index = 0;
 472         }
 473
 474         prq->interrupt_ctl = 0;
 475         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 476
 477         prq_cds = &prq->cds_ring;
 478
 479         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 480         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 481
 482         phys_addr = rq_phys_addr;
 483
 484         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
 485         if (err)
 486                 goto out_free_rsp;
 487
 488         cmd.req.arg[1] = MSD(phys_addr);
 489         cmd.req.arg[2] = LSD(phys_addr);
 490         cmd.req.arg[3] = rq_size;
 491         err = qlcnic_issue_cmd(adapter, &cmd);
 492
 493         if (err == QLCNIC_RCODE_SUCCESS) {
 494                 tx_ring->state = le32_to_cpu(prsp->host_ctx_state);
 495                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 496                 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
 497                 tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
 498                 if (qlcnic_check_multi_tx(adapter) &&
 499                     !adapter->ahw->diag_test &&
 500                     (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 501                         index = adapter->drv_sds_rings + ring;
 502                         intr_mask = ahw->intr_tbl[index].src;
 503                         tx_ring->crb_intr_mask = ahw->pci_base0 + intr_mask;
 504                 }
 505
 506                 netdev_info(netdev, "Tx Context[0x%x] Created, state 0x%x\n",
 507                             tx_ring->ctx_id, tx_ring->state);
 508         } else {
 509                 netdev_err(netdev, "Failed to create tx ctx in firmware%d\n",
 510                            err);
 511                 err = -EIO;
 512         }
 513         qlcnic_free_mbx_args(&cmd);
 514
 515 out_free_rsp:
 516         dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
 517                           rsp_phys_addr);
 518 out_free_rq:
 519         dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
 520
 521         return err;
 522 }
 523
 524 void qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter,
 525                                    struct qlcnic_host_tx_ring *tx_ring)
 526 {
 527         struct qlcnic_cmd_args cmd;
 528         int ret;
 529
 530         ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
 531         if (ret)
 532                 return;
 533
 534         cmd.req.arg[1] = tx_ring->ctx_id;
 535         if (qlcnic_issue_cmd(adapter, &cmd))
 536                 dev_err(&adapter->pdev->dev,
 537                         "Failed to destroy tx ctx in firmware\n");
 538         qlcnic_free_mbx_args(&cmd);
 539 }
 540
 541 int
 542 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
 543 {
 544         int err;
 545         struct qlcnic_cmd_args cmd;
 546
 547         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
 548         if (err)
 549                 return err;
 550
 551         cmd.req.arg[1] = config;
 552         err = qlcnic_issue_cmd(adapter, &cmd);
 553         qlcnic_free_mbx_args(&cmd);
 554         return err;
 555 }
 556
 557 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 558 {
 559         void *addr;
 560         int err, ring;
 561         struct qlcnic_recv_context *recv_ctx;
 562         struct qlcnic_host_rds_ring *rds_ring;
 563         struct qlcnic_host_sds_ring *sds_ring;
 564         struct qlcnic_host_tx_ring *tx_ring;
 565         __le32 *ptr;
 566
 567         struct pci_dev *pdev = adapter->pdev;
 568
 569         recv_ctx = adapter->recv_ctx;
 570
 571         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
 572                 tx_ring = &adapter->tx_ring[ring];
 573                 ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
 574                                                    &tx_ring->hw_cons_phys_addr,
 575                                                    GFP_KERNEL);
 576                 if (ptr == NULL) {
 577                         err = -ENOMEM;
 578                         goto err_out_free;
 579                 }
 580
 581                 tx_ring->hw_consumer = ptr;
 582                 /* cmd desc ring */
 583                 addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
 584                                           &tx_ring->phys_addr,
 585                                           GFP_KERNEL);
 586                 if (addr == NULL) {
 587                         err = -ENOMEM;
 588                         goto err_out_free;
 589                 }
 590
 591                 tx_ring->desc_head = addr;
 592         }
 593
 594         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 595                 rds_ring = &recv_ctx->rds_rings[ring];
 596                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 597                                           RCV_DESC_RINGSIZE(rds_ring),
 598                                           &rds_ring->phys_addr, GFP_KERNEL);
 599                 if (addr == NULL) {
 600                         err = -ENOMEM;
 601                         goto err_out_free;
 602                 }
 603                 rds_ring->desc_head = addr;
 604
 605         }
 606
 607         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
 608                 sds_ring = &recv_ctx->sds_rings[ring];
 609
 610                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 611                                           STATUS_DESC_RINGSIZE(sds_ring),
 612                                           &sds_ring->phys_addr, GFP_KERNEL);
 613                 if (addr == NULL) {
 614                         err = -ENOMEM;
 615                         goto err_out_free;
 616                 }
 617                 sds_ring->desc_head = addr;
 618         }
 619
 620         return 0;
 621
 622 err_out_free:
 623         qlcnic_free_hw_resources(adapter);
 624         return err;
 625 }
 626
 627 int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev)
 628 {
 629         int i, err, ring;
 630
 631         if (dev->flags & QLCNIC_NEED_FLR) {
 632                 err = pci_reset_function(dev->pdev);
 633                 if (err) {
 634                         dev_err(&dev->pdev->dev,
 635                                 "Adapter reset failed (%d). Please reboot\n",
 636                                 err);
 637                         return err;
 638                 }
 639                 dev->flags &= ~QLCNIC_NEED_FLR;
 640         }
 641
 642         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 643                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
 644                         err = qlcnic_83xx_config_intrpt(dev, 1);
 645                         if (err)
 646                                 return err;
 647                 }
 648         }
 649
 650         if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
 651             qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test) {
 652                 err = qlcnic_82xx_mq_intrpt(dev, 1);
 653                 if (err)
 654                         return err;
 655         }
 656
 657         err = qlcnic_fw_cmd_create_rx_ctx(dev);
 658         if (err)
 659                 goto err_out;
 660
 661         for (ring = 0; ring < dev->drv_tx_rings; ring++) {
 662                 err = qlcnic_fw_cmd_create_tx_ctx(dev,
 663                                                   &dev->tx_ring[ring],
 664                                                   ring);
 665                 if (err) {
 666                         qlcnic_fw_cmd_del_rx_ctx(dev);
 667                         if (ring == 0)
 668                                 goto err_out;
 669
 670                         for (i = 0; i < ring; i++)
 671                                 qlcnic_fw_cmd_del_tx_ctx(dev, &dev->tx_ring[i]);
 672
 673                         goto err_out;
 674                 }
 675         }
 676
 677         set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
 678
 679         return 0;
 680
 681 err_out:
 682         if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
 683             qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test)
 684                         qlcnic_82xx_config_intrpt(dev, 0);
 685
 686         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 687                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 688                         qlcnic_83xx_config_intrpt(dev, 0);
 689         }
 690
 691         return err;
 692 }
 693
 694 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 695 {
 696         int ring;
 697
 698         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 699                 qlcnic_fw_cmd_del_rx_ctx(adapter);
 700                 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
 701                         qlcnic_fw_cmd_del_tx_ctx(adapter,
 702                                                  &adapter->tx_ring[ring]);
 703
 704                 if (qlcnic_82xx_check(adapter) &&
 705                     (adapter->flags & QLCNIC_MSIX_ENABLED) &&
 706                     qlcnic_check_multi_tx(adapter) &&
 707                     !adapter->ahw->diag_test)
 708                                 qlcnic_82xx_config_intrpt(adapter, 0);
 709
 710                 if (qlcnic_83xx_check(adapter) &&
 711                     (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 712                         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 713                                 qlcnic_83xx_config_intrpt(adapter, 0);
 714                 }
 715                 /* Allow dma queues to drain after context reset */
 716                 mdelay(20);
 717         }
 718 }
 719
 720 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 721 {
 722         struct qlcnic_recv_context *recv_ctx;
 723         struct qlcnic_host_rds_ring *rds_ring;
 724         struct qlcnic_host_sds_ring *sds_ring;
 725         struct qlcnic_host_tx_ring *tx_ring;
 726         int ring;
 727
 728         recv_ctx = adapter->recv_ctx;
 729
 730         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
 731                 tx_ring = &adapter->tx_ring[ring];
 732                 if (tx_ring->hw_consumer != NULL) {
 733                         dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
 734                                           tx_ring->hw_consumer,
 735                                           tx_ring->hw_cons_phys_addr);
 736
 737                         tx_ring->hw_consumer = NULL;
 738                 }
 739
 740                 if (tx_ring->desc_head != NULL) {
 741                         dma_free_coherent(&adapter->pdev->dev,
 742                                           TX_DESC_RINGSIZE(tx_ring),
 743                                           tx_ring->desc_head,
 744                                           tx_ring->phys_addr);
 745                         tx_ring->desc_head = NULL;
 746                 }
 747         }
 748
 749         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 750                 rds_ring = &recv_ctx->rds_rings[ring];
 751
 752                 if (rds_ring->desc_head != NULL) {
 753                         dma_free_coherent(&adapter->pdev->dev,
 754                                         RCV_DESC_RINGSIZE(rds_ring),
 755                                         rds_ring->desc_head,
 756                                         rds_ring->phys_addr);
 757                         rds_ring->desc_head = NULL;
 758                 }
 759         }
 760
 761         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
 762                 sds_ring = &recv_ctx->sds_rings[ring];
 763
 764                 if (sds_ring->desc_head != NULL) {
 765                         dma_free_coherent(&adapter->pdev->dev,
 766                                 STATUS_DESC_RINGSIZE(sds_ring),
 767                                 sds_ring->desc_head,
 768                                 sds_ring->phys_addr);
 769                         sds_ring->desc_head = NULL;
 770                 }
 771         }
 772 }
 773
 774 int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type)
 775 {
 776         struct qlcnic_hardware_context *ahw = adapter->ahw;
 777         struct net_device *netdev = adapter->netdev;
 778         struct qlcnic_cmd_args cmd;
 779         u32 type, val;
 780         int i, err = 0;
 781
 782         for (i = 0; i < ahw->num_msix; i++) {
 783                 err = qlcnic_alloc_mbx_args(&cmd, adapter,
 784                                             QLCNIC_CMD_MQ_TX_CONFIG_INTR);
 785                 if (err)
 786                         return err;
 787                 type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
 788                 val = type | (ahw->intr_tbl[i].type << 4);
 789                 if (ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)
 790                         val |= (ahw->intr_tbl[i].id << 16);
 791                 cmd.req.arg[1] = val;
 792                 err = qlcnic_issue_cmd(adapter, &cmd);
 793                 if (err) {
 794                         netdev_err(netdev, "Failed to %s interrupts %d\n",
 795                                    op_type == QLCNIC_INTRPT_ADD ? "Add" :
 796                                    "Delete", err);
 797                         qlcnic_free_mbx_args(&cmd);
 798                         return err;
 799                 }
 800                 val = cmd.rsp.arg[1];
 801                 if (LSB(val)) {
 802                         netdev_info(netdev,
 803                                     "failed to configure interrupt for %d\n",
 804                                     ahw->intr_tbl[i].id);
 805                         continue;
 806                 }
 807                 if (op_type) {
 808                         ahw->intr_tbl[i].id = MSW(val);
 809                         ahw->intr_tbl[i].enabled = 1;
 810                         ahw->intr_tbl[i].src = cmd.rsp.arg[2];
 811                 } else {
 812                         ahw->intr_tbl[i].id = i;
 813                         ahw->intr_tbl[i].enabled = 0;
 814                         ahw->intr_tbl[i].src = 0;
 815                 }
 816                 qlcnic_free_mbx_args(&cmd);
 817         }
 818
 819         return err;
 820 }
 821
 822 int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac,
 823                                 u8 function)
 824 {
 825         int err, i;
 826         struct qlcnic_cmd_args cmd;
 827         u32 mac_low, mac_high;
 828
 829         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
 830         if (err)
 831                 return err;
 832
 833         cmd.req.arg[1] = function | BIT_8;
 834         err = qlcnic_issue_cmd(adapter, &cmd);
 835
 836         if (err == QLCNIC_RCODE_SUCCESS) {
 837                 mac_low = cmd.rsp.arg[1];
 838                 mac_high = cmd.rsp.arg[2];
 839
 840                 for (i = 0; i < 2; i++)
 841                         mac[i] = (u8) (mac_high >> ((1 - i) * 8));
 842                 for (i = 2; i < 6; i++)
 843                         mac[i] = (u8) (mac_low >> ((5 - i) * 8));
 844         } else {
 845                 dev_err(&adapter->pdev->dev,
 846                         "Failed to get mac address%d\n", err);
 847                 err = -EIO;
 848         }
 849         qlcnic_free_mbx_args(&cmd);
 850         return err;
 851 }
 852
 853 /* Get info of a NIC partition */
 854 int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
 855                              struct qlcnic_info *npar_info, u8 func_id)
 856 {
 857         int     err;
 858         dma_addr_t nic_dma_t;
 859         const struct qlcnic_info_le *nic_info;
 860         void *nic_info_addr;
 861         struct qlcnic_cmd_args cmd;
 862         size_t  nic_size = sizeof(struct qlcnic_info_le);
 863
 864         nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size,
 865                                             &nic_dma_t, GFP_KERNEL);
 866         if (!nic_info_addr)
 867                 return -ENOMEM;
 868
 869         nic_info = nic_info_addr;
 870
 871         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
 872         if (err)
 873                 goto out_free_dma;
 874
 875         cmd.req.arg[1] = MSD(nic_dma_t);
 876         cmd.req.arg[2] = LSD(nic_dma_t);
 877         cmd.req.arg[3] = (func_id << 16 | nic_size);
 878         err = qlcnic_issue_cmd(adapter, &cmd);
 879         if (err != QLCNIC_RCODE_SUCCESS) {
 880                 dev_err(&adapter->pdev->dev,
 881                         "Failed to get nic info%d\n", err);
 882                 err = -EIO;
 883         } else {
 884                 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
 885                 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
 886                 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 887                 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 888                 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
 889                 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
 890                 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 891                 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 892                 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
 893                 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 894         }
 895
 896         qlcnic_free_mbx_args(&cmd);
 897 out_free_dma:
 898         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 899                           nic_dma_t);
 900
 901         return err;
 902 }
 903
 904 /* Configure a NIC partition */
 905 int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter,
 906                              struct qlcnic_info *nic)
 907 {
 908         int err = -EIO;
 909         dma_addr_t nic_dma_t;
 910         void *nic_info_addr;
 911         struct qlcnic_cmd_args cmd;
 912         struct qlcnic_info_le *nic_info;
 913         size_t nic_size = sizeof(struct qlcnic_info_le);
 914
 915         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
 916                 return err;
 917
 918         nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size,
 919                                             &nic_dma_t, GFP_KERNEL);
 920         if (!nic_info_addr)
 921                 return -ENOMEM;
 922
 923         nic_info = nic_info_addr;
 924
 925         nic_info->pci_func = cpu_to_le16(nic->pci_func);
 926         nic_info->op_mode = cpu_to_le16(nic->op_mode);
 927         nic_info->phys_port = cpu_to_le16(nic->phys_port);
 928         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 929         nic_info->capabilities = cpu_to_le32(nic->capabilities);
 930         nic_info->max_mac_filters = nic->max_mac_filters;
 931         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 932         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 933         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 934         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 935
 936         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
 937         if (err)
 938                 goto out_free_dma;
 939
 940         cmd.req.arg[1] = MSD(nic_dma_t);
 941         cmd.req.arg[2] = LSD(nic_dma_t);
 942         cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size);
 943         err = qlcnic_issue_cmd(adapter, &cmd);
 944
 945         if (err != QLCNIC_RCODE_SUCCESS) {
 946                 dev_err(&adapter->pdev->dev,
 947                         "Failed to set nic info%d\n", err);
 948                 err = -EIO;
 949         }
 950
 951         qlcnic_free_mbx_args(&cmd);
 952 out_free_dma:
 953         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 954                           nic_dma_t);
 955
 956         return err;
 957 }
 958
 959 /* Get PCI Info of a partition */
 960 int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter,
 961                              struct qlcnic_pci_info *pci_info)
 962 {
 963         struct qlcnic_hardware_context *ahw = adapter->ahw;
 964         size_t npar_size = sizeof(struct qlcnic_pci_info_le);
 965         size_t pci_size = npar_size * ahw->max_vnic_func;
 966         u16 nic = 0, fcoe = 0, iscsi = 0;
 967         struct qlcnic_pci_info_le *npar;
 968         struct qlcnic_cmd_args cmd;
 969         dma_addr_t pci_info_dma_t;
 970         void *pci_info_addr;
 971         int err = 0, i;
 972
 973         pci_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, pci_size,
 974                                             &pci_info_dma_t, GFP_KERNEL);
 975         if (!pci_info_addr)
 976                 return -ENOMEM;
 977
 978         npar = pci_info_addr;
 979         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
 980         if (err)
 981                 goto out_free_dma;
 982
 983         cmd.req.arg[1] = MSD(pci_info_dma_t);
 984         cmd.req.arg[2] = LSD(pci_info_dma_t);
 985         cmd.req.arg[3] = pci_size;
 986         err = qlcnic_issue_cmd(adapter, &cmd);
 987
 988         ahw->total_nic_func = 0;
 989         if (err == QLCNIC_RCODE_SUCCESS) {
 990                 for (i = 0; i < ahw->max_vnic_func; i++, npar++, pci_info++) {
 991                         pci_info->id = le16_to_cpu(npar->id);
 992                         pci_info->active = le16_to_cpu(npar->active);
 993                         if (!pci_info->active)
 994                                 continue;
 995                         pci_info->type = le16_to_cpu(npar->type);
 996                         err = qlcnic_get_pci_func_type(adapter, pci_info->type,
 997                                                        &nic, &fcoe, &iscsi);
 998                         pci_info->default_port =
 999                                 le16_to_cpu(npar->default_port);
1000                         pci_info->tx_min_bw =
1001                                 le16_to_cpu(npar->tx_min_bw);
1002                         pci_info->tx_max_bw =
1003                                 le16_to_cpu(npar->tx_max_bw);
1004                         memcpy(pci_info->mac, npar->mac, ETH_ALEN);
1005                 }
1006         } else {
1007                 dev_err(&adapter->pdev->dev,
1008                         "Failed to get PCI Info%d\n", err);
1009                 err = -EIO;
1010         }
1011
1012         ahw->total_nic_func = nic;
1013         ahw->total_pci_func = nic + fcoe + iscsi;
1014         if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) {
1015                 dev_err(&adapter->pdev->dev,
1016                         "%s: Invalid function count: total nic func[%x], total pci func[%x]\n",
1017                         __func__, ahw->total_nic_func, ahw->total_pci_func);
1018                 err = -EIO;
1019         }
1020         qlcnic_free_mbx_args(&cmd);
1021 out_free_dma:
1022         dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
1023                 pci_info_dma_t);
1024
1025         return err;
1026 }
1027
1028 /* Configure eSwitch for port mirroring */
1029 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
1030                                  u8 enable_mirroring, u8 pci_func)
1031 {
1032         struct device *dev = &adapter->pdev->dev;
1033         struct qlcnic_cmd_args cmd;
1034         int err = -EIO;
1035         u32 arg1;
1036
1037         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
1038             !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE)) {
1039                 dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
1040                         __func__);
1041                 return err;
1042         }
1043
1044         arg1 = id | (enable_mirroring ? BIT_4 : 0);
1045         arg1 |= pci_func << 8;
1046
1047         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1048                                     QLCNIC_CMD_SET_PORTMIRRORING);
1049         if (err)
1050                 return err;
1051
1052         cmd.req.arg[1] = arg1;
1053         err = qlcnic_issue_cmd(adapter, &cmd);
1054
1055         if (err != QLCNIC_RCODE_SUCCESS)
1056                 dev_err(dev, "Failed to configure port mirroring for vNIC function %d on eSwitch %d\n",
1057                         pci_func, id);
1058         else
1059                 dev_info(dev, "Configured port mirroring for vNIC function %d on eSwitch %d\n",
1060                          pci_func, id);
1061         qlcnic_free_mbx_args(&cmd);
1062
1063         return err;
1064 }
1065
1066 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
1067                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1068
1069         size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
1070         struct qlcnic_esw_stats_le *stats;
1071         dma_addr_t stats_dma_t;
1072         void *stats_addr;
1073         u32 arg1;
1074         struct qlcnic_cmd_args cmd;
1075         int err;
1076
1077         if (esw_stats == NULL)
1078                 return -ENOMEM;
1079
1080         if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
1081             (func != adapter->ahw->pci_func)) {
1082                 dev_err(&adapter->pdev->dev,
1083                         "Not privilege to query stats for func=%d", func);
1084                 return -EIO;
1085         }
1086
1087         stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size,
1088                                          &stats_dma_t, GFP_KERNEL);
1089         if (!stats_addr)
1090                 return -ENOMEM;
1091
1092         arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
1093         arg1 |= rx_tx << 15 | stats_size << 16;
1094
1095         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1096                                     QLCNIC_CMD_GET_ESWITCH_STATS);
1097         if (err)
1098                 goto out_free_dma;
1099
1100         cmd.req.arg[1] = arg1;
1101         cmd.req.arg[2] = MSD(stats_dma_t);
1102         cmd.req.arg[3] = LSD(stats_dma_t);
1103         err = qlcnic_issue_cmd(adapter, &cmd);
1104
1105         if (!err) {
1106                 stats = stats_addr;
1107                 esw_stats->context_id = le16_to_cpu(stats->context_id);
1108                 esw_stats->version = le16_to_cpu(stats->version);
1109                 esw_stats->size = le16_to_cpu(stats->size);
1110                 esw_stats->multicast_frames =
1111                                 le64_to_cpu(stats->multicast_frames);
1112                 esw_stats->broadcast_frames =
1113                                 le64_to_cpu(stats->broadcast_frames);
1114                 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
1115                 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
1116                 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
1117                 esw_stats->errors = le64_to_cpu(stats->errors);
1118                 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
1119         }
1120
1121         qlcnic_free_mbx_args(&cmd);
1122 out_free_dma:
1123         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1124                           stats_dma_t);
1125
1126         return err;
1127 }
1128
1129 /* This routine will retrieve the MAC statistics from firmware */
1130 int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
1131                 struct qlcnic_mac_statistics *mac_stats)
1132 {
1133         struct qlcnic_mac_statistics_le *stats;
1134         struct qlcnic_cmd_args cmd;
1135         size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
1136         dma_addr_t stats_dma_t;
1137         void *stats_addr;
1138         int err;
1139
1140         if (mac_stats == NULL)
1141                 return -ENOMEM;
1142
1143         stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size,
1144                                          &stats_dma_t, GFP_KERNEL);
1145         if (!stats_addr)
1146                 return -ENOMEM;
1147
1148         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS);
1149         if (err)
1150                 goto out_free_dma;
1151
1152         cmd.req.arg[1] = stats_size << 16;
1153         cmd.req.arg[2] = MSD(stats_dma_t);
1154         cmd.req.arg[3] = LSD(stats_dma_t);
1155         err = qlcnic_issue_cmd(adapter, &cmd);
1156         if (!err) {
1157                 stats = stats_addr;
1158                 mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
1159                 mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
1160                 mac_stats->mac_tx_mcast_pkts =
1161                                         le64_to_cpu(stats->mac_tx_mcast_pkts);
1162                 mac_stats->mac_tx_bcast_pkts =
1163                                         le64_to_cpu(stats->mac_tx_bcast_pkts);
1164                 mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
1165                 mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
1166                 mac_stats->mac_rx_mcast_pkts =
1167                                         le64_to_cpu(stats->mac_rx_mcast_pkts);
1168                 mac_stats->mac_rx_length_error =
1169                                 le64_to_cpu(stats->mac_rx_length_error);
1170                 mac_stats->mac_rx_length_small =
1171                                 le64_to_cpu(stats->mac_rx_length_small);
1172                 mac_stats->mac_rx_length_large =
1173                                 le64_to_cpu(stats->mac_rx_length_large);
1174                 mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
1175                 mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
1176                 mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
1177         } else {
1178                 dev_err(&adapter->pdev->dev,
1179                         "%s: Get mac stats failed, err=%d.\n", __func__, err);
1180         }
1181
1182         qlcnic_free_mbx_args(&cmd);
1183
1184 out_free_dma:
1185         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1186                           stats_dma_t);
1187
1188         return err;
1189 }
1190
1191 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
1192                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1193
1194         struct __qlcnic_esw_statistics port_stats;
1195         u8 i;
1196         int ret = -EIO;
1197
1198         if (esw_stats == NULL)
1199                 return -ENOMEM;
1200         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1201                 return -EIO;
1202         if (adapter->npars == NULL)
1203                 return -EIO;
1204
1205         memset(esw_stats, 0, sizeof(u64));
1206         esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
1207         esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
1208         esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
1209         esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
1210         esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
1211         esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
1212         esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
1213         esw_stats->context_id = eswitch;
1214
1215         for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1216                 if (adapter->npars[i].phy_port != eswitch)
1217                         continue;
1218
1219                 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
1220                 if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
1221                                           rx_tx, &port_stats))
1222                         continue;
1223
1224                 esw_stats->size = port_stats.size;
1225                 esw_stats->version = port_stats.version;
1226                 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
1227                                                 port_stats.unicast_frames);
1228                 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
1229                                                 port_stats.multicast_frames);
1230                 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
1231                                                 port_stats.broadcast_frames);
1232                 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
1233                                                 port_stats.dropped_frames);
1234                 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
1235                                                 port_stats.errors);
1236                 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
1237                                                 port_stats.local_frames);
1238                 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
1239                                                 port_stats.numbytes);
1240                 ret = 0;
1241         }
1242         return ret;
1243 }
1244
1245 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
1246                 const u8 port, const u8 rx_tx)
1247 {
1248         struct qlcnic_hardware_context *ahw = adapter->ahw;
1249         struct qlcnic_cmd_args cmd;
1250         int err;
1251         u32 arg1;
1252
1253         if (ahw->op_mode != QLCNIC_MGMT_FUNC)
1254                 return -EIO;
1255
1256         if (func_esw == QLCNIC_STATS_PORT) {
1257                 if (port >= ahw->max_vnic_func)
1258                         goto err_ret;
1259         } else if (func_esw == QLCNIC_STATS_ESWITCH) {
1260                 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
1261                         goto err_ret;
1262         } else {
1263                 goto err_ret;
1264         }
1265
1266         if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
1267                 goto err_ret;
1268
1269         arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
1270         arg1 |= BIT_14 | rx_tx << 15;
1271
1272         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1273                                     QLCNIC_CMD_GET_ESWITCH_STATS);
1274         if (err)
1275                 return err;
1276
1277         cmd.req.arg[1] = arg1;
1278         err = qlcnic_issue_cmd(adapter, &cmd);
1279         qlcnic_free_mbx_args(&cmd);
1280         return err;
1281
1282 err_ret:
1283         dev_err(&adapter->pdev->dev,
1284                 "Invalid args func_esw %d port %d rx_ctx %d\n",
1285                 func_esw, port, rx_tx);
1286         return -EIO;
1287 }
1288
1289 static int __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1290                                             u32 *arg1, u32 *arg2)
1291 {
1292         struct device *dev = &adapter->pdev->dev;
1293         struct qlcnic_cmd_args cmd;
1294         u8 pci_func = *arg1 >> 8;
1295         int err;
1296
1297         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1298                                     QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG);
1299         if (err)
1300                 return err;
1301
1302         cmd.req.arg[1] = *arg1;
1303         err = qlcnic_issue_cmd(adapter, &cmd);
1304         *arg1 = cmd.rsp.arg[1];
1305         *arg2 = cmd.rsp.arg[2];
1306         qlcnic_free_mbx_args(&cmd);
1307
1308         if (err == QLCNIC_RCODE_SUCCESS)
1309                 dev_info(dev, "Get eSwitch port config for vNIC function %d\n",
1310                          pci_func);
1311         else
1312                 dev_err(dev, "Failed to get eswitch port config for vNIC function %d\n",
1313                         pci_func);
1314         return err;
1315 }
1316 /* Configure eSwitch port
1317 op_mode = 0 for setting default port behavior
1318 op_mode = 1 for setting  vlan id
1319 op_mode = 2 for deleting vlan id
1320 op_type = 0 for vlan_id
1321 op_type = 1 for port vlan_id
1322 */
1323 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1324                 struct qlcnic_esw_func_cfg *esw_cfg)
1325 {
1326         struct device *dev = &adapter->pdev->dev;
1327         struct qlcnic_cmd_args cmd;
1328         int err = -EIO, index;
1329         u32 arg1, arg2 = 0;
1330         u8 pci_func;
1331
1332         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
1333                 dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
1334                         __func__);
1335                 return err;
1336         }
1337
1338         pci_func = esw_cfg->pci_func;
1339         index = qlcnic_is_valid_nic_func(adapter, pci_func);
1340         if (index < 0)
1341                 return err;
1342         arg1 = (adapter->npars[index].phy_port & BIT_0);
1343         arg1 |= (pci_func << 8);
1344
1345         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1346                 return err;
1347         arg1 &= ~(0x0ff << 8);
1348         arg1 |= (pci_func << 8);
1349         arg1 &= ~(BIT_2 | BIT_3);
1350         switch (esw_cfg->op_mode) {
1351         case QLCNIC_PORT_DEFAULTS:
1352                 arg1 |= (BIT_4 | BIT_6 | BIT_7);
1353                 arg2 |= (BIT_0 | BIT_1);
1354                 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1355                         arg2 |= (BIT_2 | BIT_3);
1356                 if (!(esw_cfg->discard_tagged))
1357                         arg1 &= ~BIT_4;
1358                 if (!(esw_cfg->promisc_mode))
1359                         arg1 &= ~BIT_6;
1360                 if (!(esw_cfg->mac_override))
1361                         arg1 &= ~BIT_7;
1362                 if (!(esw_cfg->mac_anti_spoof))
1363                         arg2 &= ~BIT_0;
1364                 if (!(esw_cfg->offload_flags & BIT_0))
1365                         arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1366                 if (!(esw_cfg->offload_flags & BIT_1))
1367                         arg2 &= ~BIT_2;
1368                 if (!(esw_cfg->offload_flags & BIT_2))
1369                         arg2 &= ~BIT_3;
1370                 break;
1371         case QLCNIC_ADD_VLAN:
1372                         arg1 &= ~(0x0ffff << 16);
1373                         arg1 |= (BIT_2 | BIT_5);
1374                         arg1 |= (esw_cfg->vlan_id << 16);
1375                         break;
1376         case QLCNIC_DEL_VLAN:
1377                         arg1 |= (BIT_3 | BIT_5);
1378                         arg1 &= ~(0x0ffff << 16);
1379                         break;
1380         default:
1381                 dev_err(&adapter->pdev->dev, "%s: Invalid opmode 0x%x\n",
1382                         __func__, esw_cfg->op_mode);
1383                 return err;
1384         }
1385
1386         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1387                                     QLCNIC_CMD_CONFIGURE_ESWITCH);
1388         if (err)
1389                 return err;
1390
1391         cmd.req.arg[1] = arg1;
1392         cmd.req.arg[2] = arg2;
1393         err = qlcnic_issue_cmd(adapter, &cmd);
1394         qlcnic_free_mbx_args(&cmd);
1395
1396         if (err != QLCNIC_RCODE_SUCCESS)
1397                 dev_err(dev, "Failed to configure eswitch for vNIC function %d\n",
1398                         pci_func);
1399         else
1400                 dev_info(dev, "Configured eSwitch for vNIC function %d\n",
1401                          pci_func);
1402
1403         return err;
1404 }
1405
1406 int
1407 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1408                         struct qlcnic_esw_func_cfg *esw_cfg)
1409 {
1410         u32 arg1, arg2;
1411         int index;
1412         u8 phy_port;
1413
1414         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
1415                 index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
1416                 if (index < 0)
1417                         return -EIO;
1418                 phy_port = adapter->npars[index].phy_port;
1419         } else {
1420                 phy_port = adapter->ahw->physical_port;
1421         }
1422         arg1 = phy_port;
1423         arg1 |= (esw_cfg->pci_func << 8);
1424         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1425                 return -EIO;
1426
1427         esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1428         esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1429         esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1430         esw_cfg->mac_override = !!(arg1 & BIT_7);
1431         esw_cfg->vlan_id = LSW(arg1 >> 16);
1432         esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1433         esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1434
1435         return 0;
1436 }