kernel/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                         memset(mbx->req.arg, 0, sizeof(u32) * mbx->req.num);
  77                         memset(mbx->rsp.arg, 0, sizeof(u32) * mbx->rsp.num);
  78                         mbx->req.arg[0] = type;
  79                         break;
  80                 }
  81         }
  82         return 0;
  83 }
  84
  85 /* Free up mailbox registers */
  86 void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd)
  87 {
  88         kfree(cmd->req.arg);
  89         cmd->req.arg = NULL;
  90         kfree(cmd->rsp.arg);
  91         cmd->rsp.arg = NULL;
  92 }
  93
  94 static u32
  95 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
  96 {
  97         u32 rsp;
  98         int timeout = 0, err = 0;
  99
 100         do {
 101                 /* give atleast 1ms for firmware to respond */
 102                 mdelay(1);
 103
 104                 if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
 105                         return QLCNIC_CDRP_RSP_TIMEOUT;
 106
 107                 rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET, &err);
 108         } while (!QLCNIC_CDRP_IS_RSP(rsp));
 109
 110         return rsp;
 111 }
 112
 113 int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter,
 114                           struct qlcnic_cmd_args *cmd)
 115 {
 116         int i, err = 0;
 117         u32 rsp;
 118         u32 signature;
 119         struct pci_dev *pdev = adapter->pdev;
 120         struct qlcnic_hardware_context *ahw = adapter->ahw;
 121         const char *fmt;
 122
 123         signature = qlcnic_get_cmd_signature(ahw);
 124
 125         /* Acquire semaphore before accessing CRB */
 126         if (qlcnic_api_lock(adapter)) {
 127                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 128                 return cmd->rsp.arg[0];
 129         }
 130
 131         QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
 132         for (i = 1; i < cmd->req.num; i++)
 133                 QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]);
 134         QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
 135                 QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0]));
 136         rsp = qlcnic_poll_rsp(adapter);
 137
 138         if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
 139                 dev_err(&pdev->dev, "command timeout, response = 0x%x\n", rsp);
 140                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 141         } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
 142                 cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1), &err);
 143                 switch (cmd->rsp.arg[0]) {
 144                 case QLCNIC_RCODE_INVALID_ARGS:
 145                         fmt = "CDRP invalid args: [%d]\n";
 146                         break;
 147                 case QLCNIC_RCODE_NOT_SUPPORTED:
 148                 case QLCNIC_RCODE_NOT_IMPL:
 149                         fmt = "CDRP command not supported: [%d]\n";
 150                         break;
 151                 case QLCNIC_RCODE_NOT_PERMITTED:
 152                         fmt = "CDRP requested action not permitted: [%d]\n";
 153                         break;
 154                 case QLCNIC_RCODE_INVALID:
 155                         fmt = "CDRP invalid or unknown cmd received: [%d]\n";
 156                         break;
 157                 case QLCNIC_RCODE_TIMEOUT:
 158                         fmt = "CDRP command timeout: [%d]\n";
 159                         break;
 160                 default:
 161                         fmt = "CDRP command failed: [%d]\n";
 162                         break;
 163                 }
 164                 dev_err(&pdev->dev, fmt, cmd->rsp.arg[0]);
 165                 qlcnic_dump_mbx(adapter, cmd);
 166         } else if (rsp == QLCNIC_CDRP_RSP_OK)
 167                 cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS;
 168
 169         for (i = 1; i < cmd->rsp.num; i++)
 170                 cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i), &err);
 171
 172         /* Release semaphore */
 173         qlcnic_api_unlock(adapter);
 174         return cmd->rsp.arg[0];
 175 }
 176
 177 int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter, u32 fw_cmd)
 178 {
 179         struct qlcnic_cmd_args cmd;
 180         u32 arg1, arg2, arg3;
 181         char drv_string[12];
 182         int err = 0;
 183
 184         memset(drv_string, 0, sizeof(drv_string));
 185         snprintf(drv_string, sizeof(drv_string), "%d"".""%d"".""%d",
 186                  _QLCNIC_LINUX_MAJOR, _QLCNIC_LINUX_MINOR,
 187                  _QLCNIC_LINUX_SUBVERSION);
 188
 189         err = qlcnic_alloc_mbx_args(&cmd, adapter, fw_cmd);
 190         if (err)
 191                 return err;
 192
 193         memcpy(&arg1, drv_string, sizeof(u32));
 194         memcpy(&arg2, drv_string + 4, sizeof(u32));
 195         memcpy(&arg3, drv_string + 8, sizeof(u32));
 196
 197         cmd.req.arg[1] = arg1;
 198         cmd.req.arg[2] = arg2;
 199         cmd.req.arg[3] = arg3;
 200
 201         err = qlcnic_issue_cmd(adapter, &cmd);
 202         if (err) {
 203                 dev_info(&adapter->pdev->dev,
 204                          "Failed to set driver version in firmware\n");
 205                 err = -EIO;
 206         }
 207         qlcnic_free_mbx_args(&cmd);
 208         return err;
 209 }
 210
 211 int
 212 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
 213 {
 214         int err = 0;
 215         struct qlcnic_cmd_args cmd;
 216         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 217
 218         if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE)
 219                 return err;
 220         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU);
 221         if (err)
 222                 return err;
 223
 224         cmd.req.arg[1] = recv_ctx->context_id;
 225         cmd.req.arg[2] = mtu;
 226
 227         err = qlcnic_issue_cmd(adapter, &cmd);
 228         if (err) {
 229                 dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
 230                 err = -EIO;
 231         }
 232         qlcnic_free_mbx_args(&cmd);
 233         return err;
 234 }
 235
 236 int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 237 {
 238         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 239         struct qlcnic_hardware_context *ahw = adapter->ahw;
 240         dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
 241         struct net_device *netdev = adapter->netdev;
 242         u32 temp_intr_crb_mode, temp_rds_crb_mode;
 243         struct qlcnic_cardrsp_rds_ring *prsp_rds;
 244         struct qlcnic_cardrsp_sds_ring *prsp_sds;
 245         struct qlcnic_hostrq_rds_ring *prq_rds;
 246         struct qlcnic_hostrq_sds_ring *prq_sds;
 247         struct qlcnic_host_rds_ring *rds_ring;
 248         struct qlcnic_host_sds_ring *sds_ring;
 249         struct qlcnic_cardrsp_rx_ctx *prsp;
 250         struct qlcnic_hostrq_rx_ctx *prq;
 251         u8 i, nrds_rings, nsds_rings;
 252         struct qlcnic_cmd_args cmd;
 253         size_t rq_size, rsp_size;
 254         u32 cap, reg, val, reg2;
 255         u64 phys_addr;
 256         u16 temp_u16;
 257         void *addr;
 258         int err;
 259
 260         nrds_rings = adapter->max_rds_rings;
 261         nsds_rings = adapter->drv_sds_rings;
 262
 263         rq_size = SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
 264                                    nsds_rings);
 265         rsp_size = SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
 266                                      nsds_rings);
 267
 268         addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 269                                   &hostrq_phys_addr, GFP_KERNEL);
 270         if (addr == NULL)
 271                 return -ENOMEM;
 272         prq = addr;
 273
 274         addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 275                         &cardrsp_phys_addr, GFP_KERNEL);
 276         if (addr == NULL) {
 277                 err = -ENOMEM;
 278                 goto out_free_rq;
 279         }
 280         prsp = addr;
 281
 282         prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
 283
 284         cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
 285                                                 | QLCNIC_CAP0_VALIDOFF);
 286         cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
 287
 288         if (qlcnic_check_multi_tx(adapter) &&
 289             !adapter->ahw->diag_test) {
 290                 cap |= QLCNIC_CAP0_TX_MULTI;
 291         } else {
 292                 temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler);
 293                 prq->valid_field_offset = cpu_to_le16(temp_u16);
 294                 prq->txrx_sds_binding = nsds_rings - 1;
 295                 temp_intr_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
 296                 prq->host_int_crb_mode = cpu_to_le32(temp_intr_crb_mode);
 297                 temp_rds_crb_mode = QLCNIC_HOST_RDS_CRB_MODE_UNIQUE;
 298                 prq->host_rds_crb_mode = cpu_to_le32(temp_rds_crb_mode);
 299         }
 300
 301         prq->capabilities[0] = cpu_to_le32(cap);
 302
 303         prq->num_rds_rings = cpu_to_le16(nrds_rings);
 304         prq->num_sds_rings = cpu_to_le16(nsds_rings);
 305         prq->rds_ring_offset = 0;
 306
 307         val = le32_to_cpu(prq->rds_ring_offset) +
 308                 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
 309         prq->sds_ring_offset = cpu_to_le32(val);
 310
 311         prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
 312                         le32_to_cpu(prq->rds_ring_offset));
 313
 314         for (i = 0; i < nrds_rings; i++) {
 315                 rds_ring = &recv_ctx->rds_rings[i];
 316                 rds_ring->producer = 0;
 317                 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
 318                 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
 319                 prq_rds[i].ring_kind = cpu_to_le32(i);
 320                 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
 321         }
 322
 323         prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
 324                         le32_to_cpu(prq->sds_ring_offset));
 325
 326         for (i = 0; i < nsds_rings; i++) {
 327                 sds_ring = &recv_ctx->sds_rings[i];
 328                 sds_ring->consumer = 0;
 329                 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
 330                 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
 331                 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
 332                 if (qlcnic_check_multi_tx(adapter) &&
 333                     !adapter->ahw->diag_test)
 334                         prq_sds[i].msi_index = cpu_to_le16(ahw->intr_tbl[i].id);
 335                 else
 336                         prq_sds[i].msi_index = cpu_to_le16(i);
 337         }
 338
 339         phys_addr = hostrq_phys_addr;
 340         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX);
 341         if (err)
 342                 goto out_free_rsp;
 343
 344         cmd.req.arg[1] = MSD(phys_addr);
 345         cmd.req.arg[2] = LSD(phys_addr);
 346         cmd.req.arg[3] = rq_size;
 347         err = qlcnic_issue_cmd(adapter, &cmd);
 348         if (err) {
 349                 dev_err(&adapter->pdev->dev,
 350                         "Failed to create rx ctx in firmware%d\n", err);
 351                 goto out_free_rsp;
 352         }
 353
 354         prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
 355                          &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
 356
 357         for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
 358                 rds_ring = &recv_ctx->rds_rings[i];
 359                 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
 360                 rds_ring->crb_rcv_producer = ahw->pci_base0 + reg;
 361         }
 362
 363         prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
 364                         &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
 365
 366         for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
 367                 sds_ring = &recv_ctx->sds_rings[i];
 368                 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
 369                 if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
 370                         reg2 = ahw->intr_tbl[i].src;
 371                 else
 372                         reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
 373
 374                 sds_ring->crb_intr_mask = ahw->pci_base0 + reg2;
 375                 sds_ring->crb_sts_consumer = ahw->pci_base0 + reg;
 376         }
 377
 378         recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
 379         recv_ctx->context_id = le16_to_cpu(prsp->context_id);
 380         recv_ctx->virt_port = prsp->virt_port;
 381
 382         netdev_info(netdev, "Rx Context[%d] Created, state 0x%x\n",
 383                     recv_ctx->context_id, recv_ctx->state);
 384         qlcnic_free_mbx_args(&cmd);
 385
 386 out_free_rsp:
 387         dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
 388                           cardrsp_phys_addr);
 389 out_free_rq:
 390         dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
 391
 392         return err;
 393 }
 394
 395 void qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter)
 396 {
 397         int err;
 398         struct qlcnic_cmd_args cmd;
 399         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 400
 401         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX);
 402         if (err)
 403                 return;
 404
 405         cmd.req.arg[1] = recv_ctx->context_id;
 406         err = qlcnic_issue_cmd(adapter, &cmd);
 407         if (err)
 408                 dev_err(&adapter->pdev->dev,
 409                         "Failed to destroy rx ctx in firmware\n");
 410
 411         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 412         qlcnic_free_mbx_args(&cmd);
 413 }
 414
 415 int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
 416                                      struct qlcnic_host_tx_ring *tx_ring,
 417                                      int ring)
 418 {
 419         struct qlcnic_hardware_context *ahw = adapter->ahw;
 420         struct net_device *netdev = adapter->netdev;
 421         struct qlcnic_hostrq_tx_ctx     *prq;
 422         struct qlcnic_hostrq_cds_ring   *prq_cds;
 423         struct qlcnic_cardrsp_tx_ctx    *prsp;
 424         struct qlcnic_cmd_args cmd;
 425         u32 temp, intr_mask, temp_int_crb_mode;
 426         dma_addr_t rq_phys_addr, rsp_phys_addr;
 427         int temp_nsds_rings, index, err;
 428         void *rq_addr, *rsp_addr;
 429         size_t rq_size, rsp_size;
 430         u64 phys_addr;
 431         u16 msix_id;
 432
 433         /* reset host resources */
 434         tx_ring->producer = 0;
 435         tx_ring->sw_consumer = 0;
 436         *(tx_ring->hw_consumer) = 0;
 437
 438         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
 439         rq_addr = dma_zalloc_coherent(&adapter->pdev->dev, rq_size,
 440                                       &rq_phys_addr, GFP_KERNEL);
 441         if (!rq_addr)
 442                 return -ENOMEM;
 443
 444         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
 445         rsp_addr = dma_zalloc_coherent(&adapter->pdev->dev, rsp_size,
 446                                        &rsp_phys_addr, GFP_KERNEL);
 447         if (!rsp_addr) {
 448                 err = -ENOMEM;
 449                 goto out_free_rq;
 450         }
 451
 452         prq = rq_addr;
 453         prsp = rsp_addr;
 454
 455         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 456
 457         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 458                 QLCNIC_CAP0_LSO);
 459         if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
 460                 temp |= QLCNIC_CAP0_TX_MULTI;
 461
 462         prq->capabilities[0] = cpu_to_le32(temp);
 463
 464         if (qlcnic_check_multi_tx(adapter) &&
 465             !adapter->ahw->diag_test) {
 466                 temp_nsds_rings = adapter->drv_sds_rings;
 467                 index = temp_nsds_rings + ring;
 468                 msix_id = ahw->intr_tbl[index].id;
 469                 prq->msi_index = cpu_to_le16(msix_id);
 470         } else {
 471                 temp_int_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
 472                 prq->host_int_crb_mode = cpu_to_le32(temp_int_crb_mode);
 473                 prq->msi_index = 0;
 474         }
 475
 476         prq->interrupt_ctl = 0;
 477         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 478
 479         prq_cds = &prq->cds_ring;
 480
 481         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 482         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 483
 484         phys_addr = rq_phys_addr;
 485
 486         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
 487         if (err)
 488                 goto out_free_rsp;
 489
 490         cmd.req.arg[1] = MSD(phys_addr);
 491         cmd.req.arg[2] = LSD(phys_addr);
 492         cmd.req.arg[3] = rq_size;
 493         err = qlcnic_issue_cmd(adapter, &cmd);
 494
 495         if (err == QLCNIC_RCODE_SUCCESS) {
 496                 tx_ring->state = le32_to_cpu(prsp->host_ctx_state);
 497                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 498                 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
 499                 tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
 500                 if (qlcnic_check_multi_tx(adapter) &&
 501                     !adapter->ahw->diag_test &&
 502                     (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 503                         index = adapter->drv_sds_rings + ring;
 504                         intr_mask = ahw->intr_tbl[index].src;
 505                         tx_ring->crb_intr_mask = ahw->pci_base0 + intr_mask;
 506                 }
 507
 508                 netdev_info(netdev, "Tx Context[0x%x] Created, state 0x%x\n",
 509                             tx_ring->ctx_id, tx_ring->state);
 510         } else {
 511                 netdev_err(netdev, "Failed to create tx ctx in firmware%d\n",
 512                            err);
 513                 err = -EIO;
 514         }
 515         qlcnic_free_mbx_args(&cmd);
 516
 517 out_free_rsp:
 518         dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
 519                           rsp_phys_addr);
 520 out_free_rq:
 521         dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
 522
 523         return err;
 524 }
 525
 526 void qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter,
 527                                    struct qlcnic_host_tx_ring *tx_ring)
 528 {
 529         struct qlcnic_cmd_args cmd;
 530         int ret;
 531
 532         ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
 533         if (ret)
 534                 return;
 535
 536         cmd.req.arg[1] = tx_ring->ctx_id;
 537         if (qlcnic_issue_cmd(adapter, &cmd))
 538                 dev_err(&adapter->pdev->dev,
 539                         "Failed to destroy tx ctx in firmware\n");
 540         qlcnic_free_mbx_args(&cmd);
 541 }
 542
 543 int
 544 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
 545 {
 546         int err;
 547         struct qlcnic_cmd_args cmd;
 548
 549         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
 550         if (err)
 551                 return err;
 552
 553         cmd.req.arg[1] = config;
 554         err = qlcnic_issue_cmd(adapter, &cmd);
 555         qlcnic_free_mbx_args(&cmd);
 556         return err;
 557 }
 558
 559 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 560 {
 561         void *addr;
 562         int err, ring;
 563         struct qlcnic_recv_context *recv_ctx;
 564         struct qlcnic_host_rds_ring *rds_ring;
 565         struct qlcnic_host_sds_ring *sds_ring;
 566         struct qlcnic_host_tx_ring *tx_ring;
 567         __le32 *ptr;
 568
 569         struct pci_dev *pdev = adapter->pdev;
 570
 571         recv_ctx = adapter->recv_ctx;
 572
 573         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
 574                 tx_ring = &adapter->tx_ring[ring];
 575                 ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
 576                                                    &tx_ring->hw_cons_phys_addr,
 577                                                    GFP_KERNEL);
 578                 if (ptr == NULL)
 579                         return -ENOMEM;
 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                 pci_reset_function(dev->pdev);
 633                 dev->flags &= ~QLCNIC_NEED_FLR;
 634         }
 635
 636         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 637                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
 638                         err = qlcnic_83xx_config_intrpt(dev, 1);
 639                         if (err)
 640                                 return err;
 641                 }
 642         }
 643
 644         if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
 645             qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test) {
 646                 err = qlcnic_82xx_mq_intrpt(dev, 1);
 647                 if (err)
 648                         return err;
 649         }
 650
 651         err = qlcnic_fw_cmd_create_rx_ctx(dev);
 652         if (err)
 653                 goto err_out;
 654
 655         for (ring = 0; ring < dev->drv_tx_rings; ring++) {
 656                 err = qlcnic_fw_cmd_create_tx_ctx(dev,
 657                                                   &dev->tx_ring[ring],
 658                                                   ring);
 659                 if (err) {
 660                         qlcnic_fw_cmd_del_rx_ctx(dev);
 661                         if (ring == 0)
 662                                 goto err_out;
 663
 664                         for (i = 0; i < ring; i++)
 665                                 qlcnic_fw_cmd_del_tx_ctx(dev, &dev->tx_ring[i]);
 666
 667                         goto err_out;
 668                 }
 669         }
 670
 671         set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
 672
 673         return 0;
 674
 675 err_out:
 676         if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
 677             qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test)
 678                         qlcnic_82xx_config_intrpt(dev, 0);
 679
 680         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 681                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 682                         qlcnic_83xx_config_intrpt(dev, 0);
 683         }
 684
 685         return err;
 686 }
 687
 688 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 689 {
 690         int ring;
 691
 692         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 693                 qlcnic_fw_cmd_del_rx_ctx(adapter);
 694                 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
 695                         qlcnic_fw_cmd_del_tx_ctx(adapter,
 696                                                  &adapter->tx_ring[ring]);
 697
 698                 if (qlcnic_82xx_check(adapter) &&
 699                     (adapter->flags & QLCNIC_MSIX_ENABLED) &&
 700                     qlcnic_check_multi_tx(adapter) &&
 701                     !adapter->ahw->diag_test)
 702                                 qlcnic_82xx_config_intrpt(adapter, 0);
 703
 704                 if (qlcnic_83xx_check(adapter) &&
 705                     (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 706                         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 707                                 qlcnic_83xx_config_intrpt(adapter, 0);
 708                 }
 709                 /* Allow dma queues to drain after context reset */
 710                 mdelay(20);
 711         }
 712 }
 713
 714 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 715 {
 716         struct qlcnic_recv_context *recv_ctx;
 717         struct qlcnic_host_rds_ring *rds_ring;
 718         struct qlcnic_host_sds_ring *sds_ring;
 719         struct qlcnic_host_tx_ring *tx_ring;
 720         int ring;
 721
 722         recv_ctx = adapter->recv_ctx;
 723
 724         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
 725                 tx_ring = &adapter->tx_ring[ring];
 726                 if (tx_ring->hw_consumer != NULL) {
 727                         dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
 728                                           tx_ring->hw_consumer,
 729                                           tx_ring->hw_cons_phys_addr);
 730
 731                         tx_ring->hw_consumer = NULL;
 732                 }
 733
 734                 if (tx_ring->desc_head != NULL) {
 735                         dma_free_coherent(&adapter->pdev->dev,
 736                                           TX_DESC_RINGSIZE(tx_ring),
 737                                           tx_ring->desc_head,
 738                                           tx_ring->phys_addr);
 739                         tx_ring->desc_head = NULL;
 740                 }
 741         }
 742
 743         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 744                 rds_ring = &recv_ctx->rds_rings[ring];
 745
 746                 if (rds_ring->desc_head != NULL) {
 747                         dma_free_coherent(&adapter->pdev->dev,
 748                                         RCV_DESC_RINGSIZE(rds_ring),
 749                                         rds_ring->desc_head,
 750                                         rds_ring->phys_addr);
 751                         rds_ring->desc_head = NULL;
 752                 }
 753         }
 754
 755         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
 756                 sds_ring = &recv_ctx->sds_rings[ring];
 757
 758                 if (sds_ring->desc_head != NULL) {
 759                         dma_free_coherent(&adapter->pdev->dev,
 760                                 STATUS_DESC_RINGSIZE(sds_ring),
 761                                 sds_ring->desc_head,
 762                                 sds_ring->phys_addr);
 763                         sds_ring->desc_head = NULL;
 764                 }
 765         }
 766 }
 767
 768 int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type)
 769 {
 770         struct qlcnic_hardware_context *ahw = adapter->ahw;
 771         struct net_device *netdev = adapter->netdev;
 772         struct qlcnic_cmd_args cmd;
 773         u32 type, val;
 774         int i, err = 0;
 775
 776         for (i = 0; i < ahw->num_msix; i++) {
 777                 qlcnic_alloc_mbx_args(&cmd, adapter,
 778                                       QLCNIC_CMD_MQ_TX_CONFIG_INTR);
 779                 type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
 780                 val = type | (ahw->intr_tbl[i].type << 4);
 781                 if (ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)
 782                         val |= (ahw->intr_tbl[i].id << 16);
 783                 cmd.req.arg[1] = val;
 784                 err = qlcnic_issue_cmd(adapter, &cmd);
 785                 if (err) {
 786                         netdev_err(netdev, "Failed to %s interrupts %d\n",
 787                                    op_type == QLCNIC_INTRPT_ADD ? "Add" :
 788                                    "Delete", err);
 789                         qlcnic_free_mbx_args(&cmd);
 790                         return err;
 791                 }
 792                 val = cmd.rsp.arg[1];
 793                 if (LSB(val)) {
 794                         netdev_info(netdev,
 795                                     "failed to configure interrupt for %d\n",
 796                                     ahw->intr_tbl[i].id);
 797                         continue;
 798                 }
 799                 if (op_type) {
 800                         ahw->intr_tbl[i].id = MSW(val);
 801                         ahw->intr_tbl[i].enabled = 1;
 802                         ahw->intr_tbl[i].src = cmd.rsp.arg[2];
 803                 } else {
 804                         ahw->intr_tbl[i].id = i;
 805                         ahw->intr_tbl[i].enabled = 0;
 806                         ahw->intr_tbl[i].src = 0;
 807                 }
 808                 qlcnic_free_mbx_args(&cmd);
 809         }
 810
 811         return err;
 812 }
 813
 814 int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac,
 815                                 u8 function)
 816 {
 817         int err, i;
 818         struct qlcnic_cmd_args cmd;
 819         u32 mac_low, mac_high;
 820
 821         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
 822         if (err)
 823                 return err;
 824
 825         cmd.req.arg[1] = function | BIT_8;
 826         err = qlcnic_issue_cmd(adapter, &cmd);
 827
 828         if (err == QLCNIC_RCODE_SUCCESS) {
 829                 mac_low = cmd.rsp.arg[1];
 830                 mac_high = cmd.rsp.arg[2];
 831
 832                 for (i = 0; i < 2; i++)
 833                         mac[i] = (u8) (mac_high >> ((1 - i) * 8));
 834                 for (i = 2; i < 6; i++)
 835                         mac[i] = (u8) (mac_low >> ((5 - i) * 8));
 836         } else {
 837                 dev_err(&adapter->pdev->dev,
 838                         "Failed to get mac address%d\n", err);
 839                 err = -EIO;
 840         }
 841         qlcnic_free_mbx_args(&cmd);
 842         return err;
 843 }
 844
 845 /* Get info of a NIC partition */
 846 int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
 847                              struct qlcnic_info *npar_info, u8 func_id)
 848 {
 849         int     err;
 850         dma_addr_t nic_dma_t;
 851         const struct qlcnic_info_le *nic_info;
 852         void *nic_info_addr;
 853         struct qlcnic_cmd_args cmd;
 854         size_t  nic_size = sizeof(struct qlcnic_info_le);
 855
 856         nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size,
 857                                             &nic_dma_t, GFP_KERNEL);
 858         if (!nic_info_addr)
 859                 return -ENOMEM;
 860
 861         nic_info = nic_info_addr;
 862
 863         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
 864         if (err)
 865                 goto out_free_dma;
 866
 867         cmd.req.arg[1] = MSD(nic_dma_t);
 868         cmd.req.arg[2] = LSD(nic_dma_t);
 869         cmd.req.arg[3] = (func_id << 16 | nic_size);
 870         err = qlcnic_issue_cmd(adapter, &cmd);
 871         if (err != QLCNIC_RCODE_SUCCESS) {
 872                 dev_err(&adapter->pdev->dev,
 873                         "Failed to get nic info%d\n", err);
 874                 err = -EIO;
 875         } else {
 876                 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
 877                 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
 878                 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 879                 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 880                 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
 881                 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
 882                 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 883                 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 884                 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
 885                 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 886         }
 887
 888         qlcnic_free_mbx_args(&cmd);
 889 out_free_dma:
 890         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 891                           nic_dma_t);
 892
 893         return err;
 894 }
 895
 896 /* Configure a NIC partition */
 897 int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter,
 898                              struct qlcnic_info *nic)
 899 {
 900         int err = -EIO;
 901         dma_addr_t nic_dma_t;
 902         void *nic_info_addr;
 903         struct qlcnic_cmd_args cmd;
 904         struct qlcnic_info_le *nic_info;
 905         size_t nic_size = sizeof(struct qlcnic_info_le);
 906
 907         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
 908                 return err;
 909
 910         nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size,
 911                                             &nic_dma_t, GFP_KERNEL);
 912         if (!nic_info_addr)
 913                 return -ENOMEM;
 914
 915         nic_info = nic_info_addr;
 916
 917         nic_info->pci_func = cpu_to_le16(nic->pci_func);
 918         nic_info->op_mode = cpu_to_le16(nic->op_mode);
 919         nic_info->phys_port = cpu_to_le16(nic->phys_port);
 920         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 921         nic_info->capabilities = cpu_to_le32(nic->capabilities);
 922         nic_info->max_mac_filters = nic->max_mac_filters;
 923         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 924         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 925         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 926         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 927
 928         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
 929         if (err)
 930                 goto out_free_dma;
 931
 932         cmd.req.arg[1] = MSD(nic_dma_t);
 933         cmd.req.arg[2] = LSD(nic_dma_t);
 934         cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size);
 935         err = qlcnic_issue_cmd(adapter, &cmd);
 936
 937         if (err != QLCNIC_RCODE_SUCCESS) {
 938                 dev_err(&adapter->pdev->dev,
 939                         "Failed to set nic info%d\n", err);
 940                 err = -EIO;
 941         }
 942
 943         qlcnic_free_mbx_args(&cmd);
 944 out_free_dma:
 945         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 946                           nic_dma_t);
 947
 948         return err;
 949 }
 950
 951 /* Get PCI Info of a partition */
 952 int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter,
 953                              struct qlcnic_pci_info *pci_info)
 954 {
 955         struct qlcnic_hardware_context *ahw = adapter->ahw;
 956         size_t npar_size = sizeof(struct qlcnic_pci_info_le);
 957         size_t pci_size = npar_size * ahw->max_vnic_func;
 958         u16 nic = 0, fcoe = 0, iscsi = 0;
 959         struct qlcnic_pci_info_le *npar;
 960         struct qlcnic_cmd_args cmd;
 961         dma_addr_t pci_info_dma_t;
 962         void *pci_info_addr;
 963         int err = 0, i;
 964
 965         pci_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, pci_size,
 966                                             &pci_info_dma_t, GFP_KERNEL);
 967         if (!pci_info_addr)
 968                 return -ENOMEM;
 969
 970         npar = pci_info_addr;
 971         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
 972         if (err)
 973                 goto out_free_dma;
 974
 975         cmd.req.arg[1] = MSD(pci_info_dma_t);
 976         cmd.req.arg[2] = LSD(pci_info_dma_t);
 977         cmd.req.arg[3] = pci_size;
 978         err = qlcnic_issue_cmd(adapter, &cmd);
 979
 980         ahw->total_nic_func = 0;
 981         if (err == QLCNIC_RCODE_SUCCESS) {
 982                 for (i = 0; i < ahw->max_vnic_func; i++, npar++, pci_info++) {
 983                         pci_info->id = le16_to_cpu(npar->id);
 984                         pci_info->active = le16_to_cpu(npar->active);
 985                         if (!pci_info->active)
 986                                 continue;
 987                         pci_info->type = le16_to_cpu(npar->type);
 988                         err = qlcnic_get_pci_func_type(adapter, pci_info->type,
 989                                                        &nic, &fcoe, &iscsi);
 990                         pci_info->default_port =
 991                                 le16_to_cpu(npar->default_port);
 992                         pci_info->tx_min_bw =
 993                                 le16_to_cpu(npar->tx_min_bw);
 994                         pci_info->tx_max_bw =
 995                                 le16_to_cpu(npar->tx_max_bw);
 996                         memcpy(pci_info->mac, npar->mac, ETH_ALEN);
 997                 }
 998         } else {
 999                 dev_err(&adapter->pdev->dev,
1000                         "Failed to get PCI Info%d\n", err);
1001                 err = -EIO;
1002         }
1003
1004         ahw->total_nic_func = nic;
1005         ahw->total_pci_func = nic + fcoe + iscsi;
1006         if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) {
1007                 dev_err(&adapter->pdev->dev,
1008                         "%s: Invalid function count: total nic func[%x], total pci func[%x]\n",
1009                         __func__, ahw->total_nic_func, ahw->total_pci_func);
1010                 err = -EIO;
1011         }
1012         qlcnic_free_mbx_args(&cmd);
1013 out_free_dma:
1014         dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
1015                 pci_info_dma_t);
1016
1017         return err;
1018 }
1019
1020 /* Configure eSwitch for port mirroring */
1021 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
1022                                  u8 enable_mirroring, u8 pci_func)
1023 {
1024         struct device *dev = &adapter->pdev->dev;
1025         struct qlcnic_cmd_args cmd;
1026         int err = -EIO;
1027         u32 arg1;
1028
1029         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
1030             !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE)) {
1031                 dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
1032                         __func__);
1033                 return err;
1034         }
1035
1036         arg1 = id | (enable_mirroring ? BIT_4 : 0);
1037         arg1 |= pci_func << 8;
1038
1039         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1040                                     QLCNIC_CMD_SET_PORTMIRRORING);
1041         if (err)
1042                 return err;
1043
1044         cmd.req.arg[1] = arg1;
1045         err = qlcnic_issue_cmd(adapter, &cmd);
1046
1047         if (err != QLCNIC_RCODE_SUCCESS)
1048                 dev_err(dev, "Failed to configure port mirroring for vNIC function %d on eSwitch %d\n",
1049                         pci_func, id);
1050         else
1051                 dev_info(dev, "Configured port mirroring for vNIC function %d on eSwitch %d\n",
1052                          pci_func, id);
1053         qlcnic_free_mbx_args(&cmd);
1054
1055         return err;
1056 }
1057
1058 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
1059                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1060
1061         size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
1062         struct qlcnic_esw_stats_le *stats;
1063         dma_addr_t stats_dma_t;
1064         void *stats_addr;
1065         u32 arg1;
1066         struct qlcnic_cmd_args cmd;
1067         int err;
1068
1069         if (esw_stats == NULL)
1070                 return -ENOMEM;
1071
1072         if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
1073             (func != adapter->ahw->pci_func)) {
1074                 dev_err(&adapter->pdev->dev,
1075                         "Not privilege to query stats for func=%d", func);
1076                 return -EIO;
1077         }
1078
1079         stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size,
1080                                          &stats_dma_t, GFP_KERNEL);
1081         if (!stats_addr)
1082                 return -ENOMEM;
1083
1084         arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
1085         arg1 |= rx_tx << 15 | stats_size << 16;
1086
1087         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1088                                     QLCNIC_CMD_GET_ESWITCH_STATS);
1089         if (err)
1090                 goto out_free_dma;
1091
1092         cmd.req.arg[1] = arg1;
1093         cmd.req.arg[2] = MSD(stats_dma_t);
1094         cmd.req.arg[3] = LSD(stats_dma_t);
1095         err = qlcnic_issue_cmd(adapter, &cmd);
1096
1097         if (!err) {
1098                 stats = stats_addr;
1099                 esw_stats->context_id = le16_to_cpu(stats->context_id);
1100                 esw_stats->version = le16_to_cpu(stats->version);
1101                 esw_stats->size = le16_to_cpu(stats->size);
1102                 esw_stats->multicast_frames =
1103                                 le64_to_cpu(stats->multicast_frames);
1104                 esw_stats->broadcast_frames =
1105                                 le64_to_cpu(stats->broadcast_frames);
1106                 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
1107                 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
1108                 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
1109                 esw_stats->errors = le64_to_cpu(stats->errors);
1110                 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
1111         }
1112
1113         qlcnic_free_mbx_args(&cmd);
1114 out_free_dma:
1115         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1116                           stats_dma_t);
1117
1118         return err;
1119 }
1120
1121 /* This routine will retrieve the MAC statistics from firmware */
1122 int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
1123                 struct qlcnic_mac_statistics *mac_stats)
1124 {
1125         struct qlcnic_mac_statistics_le *stats;
1126         struct qlcnic_cmd_args cmd;
1127         size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
1128         dma_addr_t stats_dma_t;
1129         void *stats_addr;
1130         int err;
1131
1132         if (mac_stats == NULL)
1133                 return -ENOMEM;
1134
1135         stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size,
1136                                          &stats_dma_t, GFP_KERNEL);
1137         if (!stats_addr)
1138                 return -ENOMEM;
1139
1140         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS);
1141         if (err)
1142                 goto out_free_dma;
1143
1144         cmd.req.arg[1] = stats_size << 16;
1145         cmd.req.arg[2] = MSD(stats_dma_t);
1146         cmd.req.arg[3] = LSD(stats_dma_t);
1147         err = qlcnic_issue_cmd(adapter, &cmd);
1148         if (!err) {
1149                 stats = stats_addr;
1150                 mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
1151                 mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
1152                 mac_stats->mac_tx_mcast_pkts =
1153                                         le64_to_cpu(stats->mac_tx_mcast_pkts);
1154                 mac_stats->mac_tx_bcast_pkts =
1155                                         le64_to_cpu(stats->mac_tx_bcast_pkts);
1156                 mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
1157                 mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
1158                 mac_stats->mac_rx_mcast_pkts =
1159                                         le64_to_cpu(stats->mac_rx_mcast_pkts);
1160                 mac_stats->mac_rx_length_error =
1161                                 le64_to_cpu(stats->mac_rx_length_error);
1162                 mac_stats->mac_rx_length_small =
1163                                 le64_to_cpu(stats->mac_rx_length_small);
1164                 mac_stats->mac_rx_length_large =
1165                                 le64_to_cpu(stats->mac_rx_length_large);
1166                 mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
1167                 mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
1168                 mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
1169         } else {
1170                 dev_err(&adapter->pdev->dev,
1171                         "%s: Get mac stats failed, err=%d.\n", __func__, err);
1172         }
1173
1174         qlcnic_free_mbx_args(&cmd);
1175
1176 out_free_dma:
1177         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1178                           stats_dma_t);
1179
1180         return err;
1181 }
1182
1183 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
1184                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1185
1186         struct __qlcnic_esw_statistics port_stats;
1187         u8 i;
1188         int ret = -EIO;
1189
1190         if (esw_stats == NULL)
1191                 return -ENOMEM;
1192         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1193                 return -EIO;
1194         if (adapter->npars == NULL)
1195                 return -EIO;
1196
1197         memset(esw_stats, 0, sizeof(u64));
1198         esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
1199         esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
1200         esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
1201         esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
1202         esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
1203         esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
1204         esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
1205         esw_stats->context_id = eswitch;
1206
1207         for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1208                 if (adapter->npars[i].phy_port != eswitch)
1209                         continue;
1210
1211                 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
1212                 if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
1213                                           rx_tx, &port_stats))
1214                         continue;
1215
1216                 esw_stats->size = port_stats.size;
1217                 esw_stats->version = port_stats.version;
1218                 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
1219                                                 port_stats.unicast_frames);
1220                 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
1221                                                 port_stats.multicast_frames);
1222                 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
1223                                                 port_stats.broadcast_frames);
1224                 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
1225                                                 port_stats.dropped_frames);
1226                 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
1227                                                 port_stats.errors);
1228                 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
1229                                                 port_stats.local_frames);
1230                 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
1231                                                 port_stats.numbytes);
1232                 ret = 0;
1233         }
1234         return ret;
1235 }
1236
1237 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
1238                 const u8 port, const u8 rx_tx)
1239 {
1240         struct qlcnic_hardware_context *ahw = adapter->ahw;
1241         struct qlcnic_cmd_args cmd;
1242         int err;
1243         u32 arg1;
1244
1245         if (ahw->op_mode != QLCNIC_MGMT_FUNC)
1246                 return -EIO;
1247
1248         if (func_esw == QLCNIC_STATS_PORT) {
1249                 if (port >= ahw->max_vnic_func)
1250                         goto err_ret;
1251         } else if (func_esw == QLCNIC_STATS_ESWITCH) {
1252                 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
1253                         goto err_ret;
1254         } else {
1255                 goto err_ret;
1256         }
1257
1258         if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
1259                 goto err_ret;
1260
1261         arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
1262         arg1 |= BIT_14 | rx_tx << 15;
1263
1264         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1265                                     QLCNIC_CMD_GET_ESWITCH_STATS);
1266         if (err)
1267                 return err;
1268
1269         cmd.req.arg[1] = arg1;
1270         err = qlcnic_issue_cmd(adapter, &cmd);
1271         qlcnic_free_mbx_args(&cmd);
1272         return err;
1273
1274 err_ret:
1275         dev_err(&adapter->pdev->dev,
1276                 "Invalid args func_esw %d port %d rx_ctx %d\n",
1277                 func_esw, port, rx_tx);
1278         return -EIO;
1279 }
1280
1281 static int __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1282                                             u32 *arg1, u32 *arg2)
1283 {
1284         struct device *dev = &adapter->pdev->dev;
1285         struct qlcnic_cmd_args cmd;
1286         u8 pci_func = *arg1 >> 8;
1287         int err;
1288
1289         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1290                                     QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG);
1291         if (err)
1292                 return err;
1293
1294         cmd.req.arg[1] = *arg1;
1295         err = qlcnic_issue_cmd(adapter, &cmd);
1296         *arg1 = cmd.rsp.arg[1];
1297         *arg2 = cmd.rsp.arg[2];
1298         qlcnic_free_mbx_args(&cmd);
1299
1300         if (err == QLCNIC_RCODE_SUCCESS)
1301                 dev_info(dev, "Get eSwitch port config for vNIC function %d\n",
1302                          pci_func);
1303         else
1304                 dev_err(dev, "Failed to get eswitch port config for vNIC function %d\n",
1305                         pci_func);
1306         return err;
1307 }
1308 /* Configure eSwitch port
1309 op_mode = 0 for setting default port behavior
1310 op_mode = 1 for setting  vlan id
1311 op_mode = 2 for deleting vlan id
1312 op_type = 0 for vlan_id
1313 op_type = 1 for port vlan_id
1314 */
1315 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1316                 struct qlcnic_esw_func_cfg *esw_cfg)
1317 {
1318         struct device *dev = &adapter->pdev->dev;
1319         struct qlcnic_cmd_args cmd;
1320         int err = -EIO, index;
1321         u32 arg1, arg2 = 0;
1322         u8 pci_func;
1323
1324         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
1325                 dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
1326                         __func__);
1327                 return err;
1328         }
1329
1330         pci_func = esw_cfg->pci_func;
1331         index = qlcnic_is_valid_nic_func(adapter, pci_func);
1332         if (index < 0)
1333                 return err;
1334         arg1 = (adapter->npars[index].phy_port & BIT_0);
1335         arg1 |= (pci_func << 8);
1336
1337         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1338                 return err;
1339         arg1 &= ~(0x0ff << 8);
1340         arg1 |= (pci_func << 8);
1341         arg1 &= ~(BIT_2 | BIT_3);
1342         switch (esw_cfg->op_mode) {
1343         case QLCNIC_PORT_DEFAULTS:
1344                 arg1 |= (BIT_4 | BIT_6 | BIT_7);
1345                 arg2 |= (BIT_0 | BIT_1);
1346                 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1347                         arg2 |= (BIT_2 | BIT_3);
1348                 if (!(esw_cfg->discard_tagged))
1349                         arg1 &= ~BIT_4;
1350                 if (!(esw_cfg->promisc_mode))
1351                         arg1 &= ~BIT_6;
1352                 if (!(esw_cfg->mac_override))
1353                         arg1 &= ~BIT_7;
1354                 if (!(esw_cfg->mac_anti_spoof))
1355                         arg2 &= ~BIT_0;
1356                 if (!(esw_cfg->offload_flags & BIT_0))
1357                         arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1358                 if (!(esw_cfg->offload_flags & BIT_1))
1359                         arg2 &= ~BIT_2;
1360                 if (!(esw_cfg->offload_flags & BIT_2))
1361                         arg2 &= ~BIT_3;
1362                 break;
1363         case QLCNIC_ADD_VLAN:
1364                         arg1 &= ~(0x0ffff << 16);
1365                         arg1 |= (BIT_2 | BIT_5);
1366                         arg1 |= (esw_cfg->vlan_id << 16);
1367                         break;
1368         case QLCNIC_DEL_VLAN:
1369                         arg1 |= (BIT_3 | BIT_5);
1370                         arg1 &= ~(0x0ffff << 16);
1371                         break;
1372         default:
1373                 dev_err(&adapter->pdev->dev, "%s: Invalid opmode 0x%x\n",
1374                         __func__, esw_cfg->op_mode);
1375                 return err;
1376         }
1377
1378         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1379                                     QLCNIC_CMD_CONFIGURE_ESWITCH);
1380         if (err)
1381                 return err;
1382
1383         cmd.req.arg[1] = arg1;
1384         cmd.req.arg[2] = arg2;
1385         err = qlcnic_issue_cmd(adapter, &cmd);
1386         qlcnic_free_mbx_args(&cmd);
1387
1388         if (err != QLCNIC_RCODE_SUCCESS)
1389                 dev_err(dev, "Failed to configure eswitch for vNIC function %d\n",
1390                         pci_func);
1391         else
1392                 dev_info(dev, "Configured eSwitch for vNIC function %d\n",
1393                          pci_func);
1394
1395         return err;
1396 }
1397
1398 int
1399 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1400                         struct qlcnic_esw_func_cfg *esw_cfg)
1401 {
1402         u32 arg1, arg2;
1403         int index;
1404         u8 phy_port;
1405
1406         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
1407                 index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
1408                 if (index < 0)
1409                         return -EIO;
1410                 phy_port = adapter->npars[index].phy_port;
1411         } else {
1412                 phy_port = adapter->ahw->physical_port;
1413         }
1414         arg1 = phy_port;
1415         arg1 |= (esw_cfg->pci_func << 8);
1416         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1417                 return -EIO;
1418
1419         esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1420         esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1421         esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1422         esw_cfg->mac_override = !!(arg1 & BIT_7);
1423         esw_cfg->vlan_id = LSW(arg1 >> 16);
1424         esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1425         esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1426
1427         return 0;
1428 }