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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * QLogic qlcnic NIC Driver
   4  * Copyright (c) 2009-2013 QLogic Corporation
   5  */
   6
   7 #include "qlcnic.h"
   8
   9 static const struct qlcnic_mailbox_metadata qlcnic_mbx_tbl[] = {
  10         {QLCNIC_CMD_CREATE_RX_CTX, 4, 1},
  11         {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1},
  12         {QLCNIC_CMD_CREATE_TX_CTX, 4, 1},
  13         {QLCNIC_CMD_DESTROY_TX_CTX, 3, 1},
  14         {QLCNIC_CMD_INTRPT_TEST, 4, 1},
  15         {QLCNIC_CMD_SET_MTU, 4, 1},
  16         {QLCNIC_CMD_READ_PHY, 4, 2},
  17         {QLCNIC_CMD_WRITE_PHY, 5, 1},
  18         {QLCNIC_CMD_READ_HW_REG, 4, 1},
  19         {QLCNIC_CMD_GET_FLOW_CTL, 4, 2},
  20         {QLCNIC_CMD_SET_FLOW_CTL, 4, 1},
  21         {QLCNIC_CMD_READ_MAX_MTU, 4, 2},
  22         {QLCNIC_CMD_READ_MAX_LRO, 4, 2},
  23         {QLCNIC_CMD_MAC_ADDRESS, 4, 3},
  24         {QLCNIC_CMD_GET_PCI_INFO, 4, 1},
  25         {QLCNIC_CMD_GET_NIC_INFO, 4, 1},
  26         {QLCNIC_CMD_SET_NIC_INFO, 4, 1},
  27         {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3},
  28         {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1},
  29         {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3},
  30         {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1},
  31         {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1},
  32         {QLCNIC_CMD_GET_MAC_STATS, 4, 1},
  33         {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3},
  34         {QLCNIC_CMD_GET_ESWITCH_STATS, 4, 1},
  35         {QLCNIC_CMD_CONFIG_PORT, 4, 1},
  36         {QLCNIC_CMD_TEMP_SIZE, 4, 4},
  37         {QLCNIC_CMD_GET_TEMP_HDR, 4, 1},
  38         {QLCNIC_CMD_82XX_SET_DRV_VER, 4, 1},
  39         {QLCNIC_CMD_GET_LED_STATUS, 4, 2},
  40         {QLCNIC_CMD_MQ_TX_CONFIG_INTR, 2, 3},
  41         {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2},
  42         {QLCNIC_CMD_DCB_QUERY_PARAM, 4, 1},
  43 };
  44
  45 static inline u32 qlcnic_get_cmd_signature(struct qlcnic_hardware_context *ahw)
  46 {
  47         return (ahw->pci_func & 0xff) | ((ahw->fw_hal_version & 0xff) << 8) |
  48                (0xcafe << 16);
  49 }
  50
  51 /* Allocate mailbox registers */
  52 int qlcnic_82xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
  53                                struct qlcnic_adapter *adapter, u32 type)
  54 {
  55         int i, size;
  56         const struct qlcnic_mailbox_metadata *mbx_tbl;
  57
  58         mbx_tbl = qlcnic_mbx_tbl;
  59         size = ARRAY_SIZE(qlcnic_mbx_tbl);
  60         for (i = 0; i < size; i++) {
  61                 if (type == mbx_tbl[i].cmd) {
  62                         mbx->req.num = mbx_tbl[i].in_args;
  63                         mbx->rsp.num = mbx_tbl[i].out_args;
  64                         mbx->req.arg = kcalloc(mbx->req.num,
  65                                                sizeof(u32), GFP_ATOMIC);
  66                         if (!mbx->req.arg)
  67                                 return -ENOMEM;
  68                         mbx->rsp.arg = kcalloc(mbx->rsp.num,
  69                                                sizeof(u32), GFP_ATOMIC);
  70                         if (!mbx->rsp.arg) {
  71                                 kfree(mbx->req.arg);
  72                                 mbx->req.arg = NULL;
  73                                 return -ENOMEM;
  74                         }
  75                         mbx->req.arg[0] = type;
  76                         break;
  77                 }
  78         }
  79         return 0;
  80 }
  81
  82 /* Free up mailbox registers */
  83 void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd)
  84 {
  85         kfree(cmd->req.arg);
  86         cmd->req.arg = NULL;
  87         kfree(cmd->rsp.arg);
  88         cmd->rsp.arg = NULL;
  89 }
  90
  91 static u32
  92 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
  93 {
  94         u32 rsp;
  95         int timeout = 0, err = 0;
  96
  97         do {
  98                 /* give atleast 1ms for firmware to respond */
  99                 mdelay(1);
 100
 101                 if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
 102                         return QLCNIC_CDRP_RSP_TIMEOUT;
 103
 104                 rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET, &err);
 105         } while (!QLCNIC_CDRP_IS_RSP(rsp));
 106
 107         return rsp;
 108 }
 109
 110 int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter,
 111                           struct qlcnic_cmd_args *cmd)
 112 {
 113         int i, err = 0;
 114         u32 rsp;
 115         u32 signature;
 116         struct pci_dev *pdev = adapter->pdev;
 117         struct qlcnic_hardware_context *ahw = adapter->ahw;
 118         const char *fmt;
 119
 120         signature = qlcnic_get_cmd_signature(ahw);
 121
 122         /* Acquire semaphore before accessing CRB */
 123         if (qlcnic_api_lock(adapter)) {
 124                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 125                 return cmd->rsp.arg[0];
 126         }
 127
 128         QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
 129         for (i = 1; i < cmd->req.num; i++)
 130                 QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]);
 131         QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
 132                 QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0]));
 133         rsp = qlcnic_poll_rsp(adapter);
 134
 135         if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
 136                 dev_err(&pdev->dev, "command timeout, response = 0x%x\n", rsp);
 137                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 138         } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
 139                 cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1), &err);
 140                 switch (cmd->rsp.arg[0]) {
 141                 case QLCNIC_RCODE_INVALID_ARGS:
 142                         fmt = "CDRP invalid args: [%d]\n";
 143                         break;
 144                 case QLCNIC_RCODE_NOT_SUPPORTED:
 145                 case QLCNIC_RCODE_NOT_IMPL:
 146                         fmt = "CDRP command not supported: [%d]\n";
 147                         break;
 148                 case QLCNIC_RCODE_NOT_PERMITTED:
 149                         fmt = "CDRP requested action not permitted: [%d]\n";
 150                         break;
 151                 case QLCNIC_RCODE_INVALID:
 152                         fmt = "CDRP invalid or unknown cmd received: [%d]\n";
 153                         break;
 154                 case QLCNIC_RCODE_TIMEOUT:
 155                         fmt = "CDRP command timeout: [%d]\n";
 156                         break;
 157                 default:
 158                         fmt = "CDRP command failed: [%d]\n";
 159                         break;
 160                 }
 161                 dev_err(&pdev->dev, fmt, cmd->rsp.arg[0]);
 162                 qlcnic_dump_mbx(adapter, cmd);
 163         } else if (rsp == QLCNIC_CDRP_RSP_OK)
 164                 cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS;
 165
 166         for (i = 1; i < cmd->rsp.num; i++)
 167                 cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i), &err);
 168
 169         /* Release semaphore */
 170         qlcnic_api_unlock(adapter);
 171         return cmd->rsp.arg[0];
 172 }
 173
 174 int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter, u32 fw_cmd)
 175 {
 176         struct qlcnic_cmd_args cmd;
 177         u32 arg1, arg2, arg3;
 178         char drv_string[12];
 179         int err = 0;
 180
 181         memset(drv_string, 0, sizeof(drv_string));
 182         snprintf(drv_string, sizeof(drv_string), "%d"".""%d"".""%d",
 183                  _QLCNIC_LINUX_MAJOR, _QLCNIC_LINUX_MINOR,
 184                  _QLCNIC_LINUX_SUBVERSION);
 185
 186         err = qlcnic_alloc_mbx_args(&cmd, adapter, fw_cmd);
 187         if (err)
 188                 return err;
 189
 190         memcpy(&arg1, drv_string, sizeof(u32));
 191         memcpy(&arg2, drv_string + 4, sizeof(u32));
 192         memcpy(&arg3, drv_string + 8, sizeof(u32));
 193
 194         cmd.req.arg[1] = arg1;
 195         cmd.req.arg[2] = arg2;
 196         cmd.req.arg[3] = arg3;
 197
 198         err = qlcnic_issue_cmd(adapter, &cmd);
 199         if (err) {
 200                 dev_info(&adapter->pdev->dev,
 201                          "Failed to set driver version in firmware\n");
 202                 err = -EIO;
 203         }
 204         qlcnic_free_mbx_args(&cmd);
 205         return err;
 206 }
 207
 208 int
 209 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
 210 {
 211         int err = 0;
 212         struct qlcnic_cmd_args cmd;
 213         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 214
 215         if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE)
 216                 return err;
 217         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU);
 218         if (err)
 219                 return err;
 220
 221         cmd.req.arg[1] = recv_ctx->context_id;
 222         cmd.req.arg[2] = mtu;
 223
 224         err = qlcnic_issue_cmd(adapter, &cmd);
 225         if (err) {
 226                 dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
 227                 err = -EIO;
 228         }
 229         qlcnic_free_mbx_args(&cmd);
 230         return err;
 231 }
 232
 233 int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 234 {
 235         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 236         struct qlcnic_hardware_context *ahw = adapter->ahw;
 237         dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
 238         struct net_device *netdev = adapter->netdev;
 239         u32 temp_intr_crb_mode, temp_rds_crb_mode;
 240         struct qlcnic_cardrsp_rds_ring *prsp_rds;
 241         struct qlcnic_cardrsp_sds_ring *prsp_sds;
 242         struct qlcnic_hostrq_rds_ring *prq_rds;
 243         struct qlcnic_hostrq_sds_ring *prq_sds;
 244         struct qlcnic_host_rds_ring *rds_ring;
 245         struct qlcnic_host_sds_ring *sds_ring;
 246         struct qlcnic_cardrsp_rx_ctx *prsp;
 247         struct qlcnic_hostrq_rx_ctx *prq;
 248         u8 i, nrds_rings, nsds_rings;
 249         struct qlcnic_cmd_args cmd;
 250         size_t rq_size, rsp_size;
 251         u32 cap, reg, val, reg2;
 252         u64 phys_addr;
 253         u16 temp_u16;
 254         void *addr;
 255         int err;
 256
 257         nrds_rings = adapter->max_rds_rings;
 258         nsds_rings = adapter->drv_sds_rings;
 259
 260         rq_size = SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
 261                                    nsds_rings);
 262         rsp_size = SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
 263                                      nsds_rings);
 264
 265         addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 266                                   &hostrq_phys_addr, GFP_KERNEL);
 267         if (addr == NULL)
 268                 return -ENOMEM;
 269         prq = addr;
 270
 271         addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 272                         &cardrsp_phys_addr, GFP_KERNEL);
 273         if (addr == NULL) {
 274                 err = -ENOMEM;
 275                 goto out_free_rq;
 276         }
 277         prsp = addr;
 278
 279         prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
 280
 281         cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
 282                                                 | QLCNIC_CAP0_VALIDOFF);
 283         cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
 284
 285         if (qlcnic_check_multi_tx(adapter) &&
 286             !adapter->ahw->diag_test) {
 287                 cap |= QLCNIC_CAP0_TX_MULTI;
 288         } else {
 289                 temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler);
 290                 prq->valid_field_offset = cpu_to_le16(temp_u16);
 291                 prq->txrx_sds_binding = nsds_rings - 1;
 292                 temp_intr_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
 293                 prq->host_int_crb_mode = cpu_to_le32(temp_intr_crb_mode);
 294                 temp_rds_crb_mode = QLCNIC_HOST_RDS_CRB_MODE_UNIQUE;
 295                 prq->host_rds_crb_mode = cpu_to_le32(temp_rds_crb_mode);
 296         }
 297
 298         prq->capabilities[0] = cpu_to_le32(cap);
 299
 300         prq->num_rds_rings = cpu_to_le16(nrds_rings);
 301         prq->num_sds_rings = cpu_to_le16(nsds_rings);
 302         prq->rds_ring_offset = 0;
 303
 304         val = le32_to_cpu(prq->rds_ring_offset) +
 305                 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
 306         prq->sds_ring_offset = cpu_to_le32(val);
 307
 308         prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
 309                         le32_to_cpu(prq->rds_ring_offset));
 310
 311         for (i = 0; i < nrds_rings; i++) {
 312                 rds_ring = &recv_ctx->rds_rings[i];
 313                 rds_ring->producer = 0;
 314                 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
 315                 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
 316                 prq_rds[i].ring_kind = cpu_to_le32(i);
 317                 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
 318         }
 319
 320         prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
 321                         le32_to_cpu(prq->sds_ring_offset));
 322
 323         for (i = 0; i < nsds_rings; i++) {
 324                 sds_ring = &recv_ctx->sds_rings[i];
 325                 sds_ring->consumer = 0;
 326                 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
 327                 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
 328                 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
 329                 if (qlcnic_check_multi_tx(adapter) &&
 330                     !adapter->ahw->diag_test)
 331                         prq_sds[i].msi_index = cpu_to_le16(ahw->intr_tbl[i].id);
 332                 else
 333                         prq_sds[i].msi_index = cpu_to_le16(i);
 334         }
 335
 336         phys_addr = hostrq_phys_addr;
 337         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX);
 338         if (err)
 339                 goto out_free_rsp;
 340
 341         cmd.req.arg[1] = MSD(phys_addr);
 342         cmd.req.arg[2] = LSD(phys_addr);
 343         cmd.req.arg[3] = rq_size;
 344         err = qlcnic_issue_cmd(adapter, &cmd);
 345         if (err) {
 346                 dev_err(&adapter->pdev->dev,
 347                         "Failed to create rx ctx in firmware%d\n", err);
 348                 goto out_free_rsp;
 349         }
 350
 351         prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
 352                          &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
 353
 354         for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
 355                 rds_ring = &recv_ctx->rds_rings[i];
 356                 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
 357                 rds_ring->crb_rcv_producer = ahw->pci_base0 + reg;
 358         }
 359
 360         prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
 361                         &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
 362
 363         for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
 364                 sds_ring = &recv_ctx->sds_rings[i];
 365                 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
 366                 if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
 367                         reg2 = ahw->intr_tbl[i].src;
 368                 else
 369                         reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
 370
 371                 sds_ring->crb_intr_mask = ahw->pci_base0 + reg2;
 372                 sds_ring->crb_sts_consumer = ahw->pci_base0 + reg;
 373         }
 374
 375         recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
 376         recv_ctx->context_id = le16_to_cpu(prsp->context_id);
 377         recv_ctx->virt_port = prsp->virt_port;
 378
 379         netdev_info(netdev, "Rx Context[%d] Created, state 0x%x\n",
 380                     recv_ctx->context_id, recv_ctx->state);
 381         qlcnic_free_mbx_args(&cmd);
 382
 383 out_free_rsp:
 384         dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
 385                           cardrsp_phys_addr);
 386 out_free_rq:
 387         dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
 388
 389         return err;
 390 }
 391
 392 void qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter)
 393 {
 394         int err;
 395         struct qlcnic_cmd_args cmd;
 396         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 397
 398         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX);
 399         if (err)
 400                 return;
 401
 402         cmd.req.arg[1] = recv_ctx->context_id;
 403         err = qlcnic_issue_cmd(adapter, &cmd);
 404         if (err)
 405                 dev_err(&adapter->pdev->dev,
 406                         "Failed to destroy rx ctx in firmware\n");
 407
 408         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 409         qlcnic_free_mbx_args(&cmd);
 410 }
 411
 412 int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
 413                                      struct qlcnic_host_tx_ring *tx_ring,
 414                                      int ring)
 415 {
 416         struct qlcnic_hardware_context *ahw = adapter->ahw;
 417         struct net_device *netdev = adapter->netdev;
 418         struct qlcnic_hostrq_tx_ctx     *prq;
 419         struct qlcnic_hostrq_cds_ring   *prq_cds;
 420         struct qlcnic_cardrsp_tx_ctx    *prsp;
 421         struct qlcnic_cmd_args cmd;
 422         u32 temp, intr_mask, temp_int_crb_mode;
 423         dma_addr_t rq_phys_addr, rsp_phys_addr;
 424         int temp_nsds_rings, index, err;
 425         void *rq_addr, *rsp_addr;
 426         size_t rq_size, rsp_size;
 427         u64 phys_addr;
 428         u16 msix_id;
 429
 430         /* reset host resources */
 431         tx_ring->producer = 0;
 432         tx_ring->sw_consumer = 0;
 433         *(tx_ring->hw_consumer) = 0;
 434
 435         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
 436         rq_addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 437                                      &rq_phys_addr, GFP_KERNEL);
 438         if (!rq_addr)
 439                 return -ENOMEM;
 440
 441         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
 442         rsp_addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 443                                       &rsp_phys_addr, GFP_KERNEL);
 444         if (!rsp_addr) {
 445                 err = -ENOMEM;
 446                 goto out_free_rq;
 447         }
 448
 449         prq = rq_addr;
 450         prsp = rsp_addr;
 451
 452         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 453
 454         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 455                 QLCNIC_CAP0_LSO);
 456         if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
 457                 temp |= QLCNIC_CAP0_TX_MULTI;
 458
 459         prq->capabilities[0] = cpu_to_le32(temp);
 460
 461         if (qlcnic_check_multi_tx(adapter) &&
 462             !adapter->ahw->diag_test) {
 463                 temp_nsds_rings = adapter->drv_sds_rings;
 464                 index = temp_nsds_rings + ring;
 465                 msix_id = ahw->intr_tbl[index].id;
 466                 prq->msi_index = cpu_to_le16(msix_id);
 467         } else {
 468                 temp_int_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
 469                 prq->host_int_crb_mode = cpu_to_le32(temp_int_crb_mode);
 470                 prq->msi_index = 0;
 471         }
 472
 473         prq->interrupt_ctl = 0;
 474         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 475
 476         prq_cds = &prq->cds_ring;
 477
 478         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 479         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 480
 481         phys_addr = rq_phys_addr;
 482
 483         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
 484         if (err)
 485                 goto out_free_rsp;
 486
 487         cmd.req.arg[1] = MSD(phys_addr);
 488         cmd.req.arg[2] = LSD(phys_addr);
 489         cmd.req.arg[3] = rq_size;
 490         err = qlcnic_issue_cmd(adapter, &cmd);
 491
 492         if (err == QLCNIC_RCODE_SUCCESS) {
 493                 tx_ring->state = le32_to_cpu(prsp->host_ctx_state);
 494                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 495                 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
 496                 tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
 497                 if (qlcnic_check_multi_tx(adapter) &&
 498                     !adapter->ahw->diag_test &&
 499                     (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 500                         index = adapter->drv_sds_rings + ring;
 501                         intr_mask = ahw->intr_tbl[index].src;
 502                         tx_ring->crb_intr_mask = ahw->pci_base0 + intr_mask;
 503                 }
 504
 505                 netdev_info(netdev, "Tx Context[0x%x] Created, state 0x%x\n",
 506                             tx_ring->ctx_id, tx_ring->state);
 507         } else {
 508                 netdev_err(netdev, "Failed to create tx ctx in firmware%d\n",
 509                            err);
 510                 err = -EIO;
 511         }
 512         qlcnic_free_mbx_args(&cmd);
 513
 514 out_free_rsp:
 515         dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
 516                           rsp_phys_addr);
 517 out_free_rq:
 518         dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
 519
 520         return err;
 521 }
 522
 523 void qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter,
 524                                    struct qlcnic_host_tx_ring *tx_ring)
 525 {
 526         struct qlcnic_cmd_args cmd;
 527         int ret;
 528
 529         ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
 530         if (ret)
 531                 return;
 532
 533         cmd.req.arg[1] = tx_ring->ctx_id;
 534         if (qlcnic_issue_cmd(adapter, &cmd))
 535                 dev_err(&adapter->pdev->dev,
 536                         "Failed to destroy tx ctx in firmware\n");
 537         qlcnic_free_mbx_args(&cmd);
 538 }
 539
 540 int
 541 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
 542 {
 543         int err;
 544         struct qlcnic_cmd_args cmd;
 545
 546         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
 547         if (err)
 548                 return err;
 549
 550         cmd.req.arg[1] = config;
 551         err = qlcnic_issue_cmd(adapter, &cmd);
 552         qlcnic_free_mbx_args(&cmd);
 553         return err;
 554 }
 555
 556 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 557 {
 558         void *addr;
 559         int err, ring;
 560         struct qlcnic_recv_context *recv_ctx;
 561         struct qlcnic_host_rds_ring *rds_ring;
 562         struct qlcnic_host_sds_ring *sds_ring;
 563         struct qlcnic_host_tx_ring *tx_ring;
 564         __le32 *ptr;
 565
 566         struct pci_dev *pdev = adapter->pdev;
 567
 568         recv_ctx = adapter->recv_ctx;
 569
 570         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
 571                 tx_ring = &adapter->tx_ring[ring];
 572                 ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
 573                                                    &tx_ring->hw_cons_phys_addr,
 574                                                    GFP_KERNEL);
 575                 if (ptr == NULL) {
 576                         err = -ENOMEM;
 577                         goto err_out_free;
 578                 }
 579
 580                 tx_ring->hw_consumer = ptr;
 581                 /* cmd desc ring */
 582                 addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
 583                                           &tx_ring->phys_addr,
 584                                           GFP_KERNEL);
 585                 if (addr == NULL) {
 586                         err = -ENOMEM;
 587                         goto err_out_free;
 588                 }
 589
 590                 tx_ring->desc_head = addr;
 591         }
 592
 593         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 594                 rds_ring = &recv_ctx->rds_rings[ring];
 595                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 596                                           RCV_DESC_RINGSIZE(rds_ring),
 597                                           &rds_ring->phys_addr, GFP_KERNEL);
 598                 if (addr == NULL) {
 599                         err = -ENOMEM;
 600                         goto err_out_free;
 601                 }
 602                 rds_ring->desc_head = addr;
 603
 604         }
 605
 606         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
 607                 sds_ring = &recv_ctx->sds_rings[ring];
 608
 609                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 610                                           STATUS_DESC_RINGSIZE(sds_ring),
 611                                           &sds_ring->phys_addr, GFP_KERNEL);
 612                 if (addr == NULL) {
 613                         err = -ENOMEM;
 614                         goto err_out_free;
 615                 }
 616                 sds_ring->desc_head = addr;
 617         }
 618
 619         return 0;
 620
 621 err_out_free:
 622         qlcnic_free_hw_resources(adapter);
 623         return err;
 624 }
 625
 626 int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev)
 627 {
 628         int i, err, ring;
 629
 630         if (dev->flags & QLCNIC_NEED_FLR) {
 631                 pci_reset_function(dev->pdev);
 632                 dev->flags &= ~QLCNIC_NEED_FLR;
 633         }
 634
 635         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 636                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
 637                         err = qlcnic_83xx_config_intrpt(dev, 1);
 638                         if (err)
 639                                 return err;
 640                 }
 641         }
 642
 643         if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
 644             qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test) {
 645                 err = qlcnic_82xx_mq_intrpt(dev, 1);
 646                 if (err)
 647                         return err;
 648         }
 649
 650         err = qlcnic_fw_cmd_create_rx_ctx(dev);
 651         if (err)
 652                 goto err_out;
 653
 654         for (ring = 0; ring < dev->drv_tx_rings; ring++) {
 655                 err = qlcnic_fw_cmd_create_tx_ctx(dev,
 656                                                   &dev->tx_ring[ring],
 657                                                   ring);
 658                 if (err) {
 659                         qlcnic_fw_cmd_del_rx_ctx(dev);
 660                         if (ring == 0)
 661                                 goto err_out;
 662
 663                         for (i = 0; i < ring; i++)
 664                                 qlcnic_fw_cmd_del_tx_ctx(dev, &dev->tx_ring[i]);
 665
 666                         goto err_out;
 667                 }
 668         }
 669
 670         set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
 671
 672         return 0;
 673
 674 err_out:
 675         if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
 676             qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test)
 677                         qlcnic_82xx_config_intrpt(dev, 0);
 678
 679         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 680                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 681                         qlcnic_83xx_config_intrpt(dev, 0);
 682         }
 683
 684         return err;
 685 }
 686
 687 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 688 {
 689         int ring;
 690
 691         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 692                 qlcnic_fw_cmd_del_rx_ctx(adapter);
 693                 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
 694                         qlcnic_fw_cmd_del_tx_ctx(adapter,
 695                                                  &adapter->tx_ring[ring]);
 696
 697                 if (qlcnic_82xx_check(adapter) &&
 698                     (adapter->flags & QLCNIC_MSIX_ENABLED) &&
 699                     qlcnic_check_multi_tx(adapter) &&
 700                     !adapter->ahw->diag_test)
 701                                 qlcnic_82xx_config_intrpt(adapter, 0);
 702
 703                 if (qlcnic_83xx_check(adapter) &&
 704                     (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 705                         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 706                                 qlcnic_83xx_config_intrpt(adapter, 0);
 707                 }
 708                 /* Allow dma queues to drain after context reset */
 709                 mdelay(20);
 710         }
 711 }
 712
 713 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 714 {
 715         struct qlcnic_recv_context *recv_ctx;
 716         struct qlcnic_host_rds_ring *rds_ring;
 717         struct qlcnic_host_sds_ring *sds_ring;
 718         struct qlcnic_host_tx_ring *tx_ring;
 719         int ring;
 720
 721         recv_ctx = adapter->recv_ctx;
 722
 723         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
 724                 tx_ring = &adapter->tx_ring[ring];
 725                 if (tx_ring->hw_consumer != NULL) {
 726                         dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
 727                                           tx_ring->hw_consumer,
 728                                           tx_ring->hw_cons_phys_addr);
 729
 730                         tx_ring->hw_consumer = NULL;
 731                 }
 732
 733                 if (tx_ring->desc_head != NULL) {
 734                         dma_free_coherent(&adapter->pdev->dev,
 735                                           TX_DESC_RINGSIZE(tx_ring),
 736                                           tx_ring->desc_head,
 737                                           tx_ring->phys_addr);
 738                         tx_ring->desc_head = NULL;
 739                 }
 740         }
 741
 742         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 743                 rds_ring = &recv_ctx->rds_rings[ring];
 744
 745                 if (rds_ring->desc_head != NULL) {
 746                         dma_free_coherent(&adapter->pdev->dev,
 747                                         RCV_DESC_RINGSIZE(rds_ring),
 748                                         rds_ring->desc_head,
 749                                         rds_ring->phys_addr);
 750                         rds_ring->desc_head = NULL;
 751                 }
 752         }
 753
 754         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
 755                 sds_ring = &recv_ctx->sds_rings[ring];
 756
 757                 if (sds_ring->desc_head != NULL) {
 758                         dma_free_coherent(&adapter->pdev->dev,
 759                                 STATUS_DESC_RINGSIZE(sds_ring),
 760                                 sds_ring->desc_head,
 761                                 sds_ring->phys_addr);
 762                         sds_ring->desc_head = NULL;
 763                 }
 764         }
 765 }
 766
 767 int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type)
 768 {
 769         struct qlcnic_hardware_context *ahw = adapter->ahw;
 770         struct net_device *netdev = adapter->netdev;
 771         struct qlcnic_cmd_args cmd;
 772         u32 type, val;
 773         int i, err = 0;
 774
 775         for (i = 0; i < ahw->num_msix; i++) {
 776                 err = qlcnic_alloc_mbx_args(&cmd, adapter,
 777                                             QLCNIC_CMD_MQ_TX_CONFIG_INTR);
 778                 if (err)
 779                         return err;
 780                 type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
 781                 val = type | (ahw->intr_tbl[i].type << 4);
 782                 if (ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)
 783                         val |= (ahw->intr_tbl[i].id << 16);
 784                 cmd.req.arg[1] = val;
 785                 err = qlcnic_issue_cmd(adapter, &cmd);
 786                 if (err) {
 787                         netdev_err(netdev, "Failed to %s interrupts %d\n",
 788                                    op_type == QLCNIC_INTRPT_ADD ? "Add" :
 789                                    "Delete", err);
 790                         qlcnic_free_mbx_args(&cmd);
 791                         return err;
 792                 }
 793                 val = cmd.rsp.arg[1];
 794                 if (LSB(val)) {
 795                         netdev_info(netdev,
 796                                     "failed to configure interrupt for %d\n",
 797                                     ahw->intr_tbl[i].id);
 798                         continue;
 799                 }
 800                 if (op_type) {
 801                         ahw->intr_tbl[i].id = MSW(val);
 802                         ahw->intr_tbl[i].enabled = 1;
 803                         ahw->intr_tbl[i].src = cmd.rsp.arg[2];
 804                 } else {
 805                         ahw->intr_tbl[i].id = i;
 806                         ahw->intr_tbl[i].enabled = 0;
 807                         ahw->intr_tbl[i].src = 0;
 808                 }
 809                 qlcnic_free_mbx_args(&cmd);
 810         }
 811
 812         return err;
 813 }
 814
 815 int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac,
 816                                 u8 function)
 817 {
 818         int err, i;
 819         struct qlcnic_cmd_args cmd;
 820         u32 mac_low, mac_high;
 821
 822         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
 823         if (err)
 824                 return err;
 825
 826         cmd.req.arg[1] = function | BIT_8;
 827         err = qlcnic_issue_cmd(adapter, &cmd);
 828
 829         if (err == QLCNIC_RCODE_SUCCESS) {
 830                 mac_low = cmd.rsp.arg[1];
 831                 mac_high = cmd.rsp.arg[2];
 832
 833                 for (i = 0; i < 2; i++)
 834                         mac[i] = (u8) (mac_high >> ((1 - i) * 8));
 835                 for (i = 2; i < 6; i++)
 836                         mac[i] = (u8) (mac_low >> ((5 - i) * 8));
 837         } else {
 838                 dev_err(&adapter->pdev->dev,
 839                         "Failed to get mac address%d\n", err);
 840                 err = -EIO;
 841         }
 842         qlcnic_free_mbx_args(&cmd);
 843         return err;
 844 }
 845
 846 /* Get info of a NIC partition */
 847 int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
 848                              struct qlcnic_info *npar_info, u8 func_id)
 849 {
 850         int     err;
 851         dma_addr_t nic_dma_t;
 852         const struct qlcnic_info_le *nic_info;
 853         void *nic_info_addr;
 854         struct qlcnic_cmd_args cmd;
 855         size_t  nic_size = sizeof(struct qlcnic_info_le);
 856
 857         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 858                                            &nic_dma_t, GFP_KERNEL);
 859         if (!nic_info_addr)
 860                 return -ENOMEM;
 861
 862         nic_info = nic_info_addr;
 863
 864         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
 865         if (err)
 866                 goto out_free_dma;
 867
 868         cmd.req.arg[1] = MSD(nic_dma_t);
 869         cmd.req.arg[2] = LSD(nic_dma_t);
 870         cmd.req.arg[3] = (func_id << 16 | nic_size);
 871         err = qlcnic_issue_cmd(adapter, &cmd);
 872         if (err != QLCNIC_RCODE_SUCCESS) {
 873                 dev_err(&adapter->pdev->dev,
 874                         "Failed to get nic info%d\n", err);
 875                 err = -EIO;
 876         } else {
 877                 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
 878                 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
 879                 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 880                 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 881                 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
 882                 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
 883                 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 884                 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 885                 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
 886                 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 887         }
 888
 889         qlcnic_free_mbx_args(&cmd);
 890 out_free_dma:
 891         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 892                           nic_dma_t);
 893
 894         return err;
 895 }
 896
 897 /* Configure a NIC partition */
 898 int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter,
 899                              struct qlcnic_info *nic)
 900 {
 901         int err = -EIO;
 902         dma_addr_t nic_dma_t;
 903         void *nic_info_addr;
 904         struct qlcnic_cmd_args cmd;
 905         struct qlcnic_info_le *nic_info;
 906         size_t nic_size = sizeof(struct qlcnic_info_le);
 907
 908         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
 909                 return err;
 910
 911         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 912                                            &nic_dma_t, GFP_KERNEL);
 913         if (!nic_info_addr)
 914                 return -ENOMEM;
 915
 916         nic_info = nic_info_addr;
 917
 918         nic_info->pci_func = cpu_to_le16(nic->pci_func);
 919         nic_info->op_mode = cpu_to_le16(nic->op_mode);
 920         nic_info->phys_port = cpu_to_le16(nic->phys_port);
 921         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 922         nic_info->capabilities = cpu_to_le32(nic->capabilities);
 923         nic_info->max_mac_filters = nic->max_mac_filters;
 924         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 925         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 926         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 927         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 928
 929         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
 930         if (err)
 931                 goto out_free_dma;
 932
 933         cmd.req.arg[1] = MSD(nic_dma_t);
 934         cmd.req.arg[2] = LSD(nic_dma_t);
 935         cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size);
 936         err = qlcnic_issue_cmd(adapter, &cmd);
 937
 938         if (err != QLCNIC_RCODE_SUCCESS) {
 939                 dev_err(&adapter->pdev->dev,
 940                         "Failed to set nic info%d\n", err);
 941                 err = -EIO;
 942         }
 943
 944         qlcnic_free_mbx_args(&cmd);
 945 out_free_dma:
 946         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 947                           nic_dma_t);
 948
 949         return err;
 950 }
 951
 952 /* Get PCI Info of a partition */
 953 int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter,
 954                              struct qlcnic_pci_info *pci_info)
 955 {
 956         struct qlcnic_hardware_context *ahw = adapter->ahw;
 957         size_t npar_size = sizeof(struct qlcnic_pci_info_le);
 958         size_t pci_size = npar_size * ahw->max_vnic_func;
 959         u16 nic = 0, fcoe = 0, iscsi = 0;
 960         struct qlcnic_pci_info_le *npar;
 961         struct qlcnic_cmd_args cmd;
 962         dma_addr_t pci_info_dma_t;
 963         void *pci_info_addr;
 964         int err = 0, i;
 965
 966         pci_info_addr = dma_alloc_coherent(&adapter->pdev->dev, pci_size,
 967                                            &pci_info_dma_t, GFP_KERNEL);
 968         if (!pci_info_addr)
 969                 return -ENOMEM;
 970
 971         npar = pci_info_addr;
 972         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
 973         if (err)
 974                 goto out_free_dma;
 975
 976         cmd.req.arg[1] = MSD(pci_info_dma_t);
 977         cmd.req.arg[2] = LSD(pci_info_dma_t);
 978         cmd.req.arg[3] = pci_size;
 979         err = qlcnic_issue_cmd(adapter, &cmd);
 980
 981         ahw->total_nic_func = 0;
 982         if (err == QLCNIC_RCODE_SUCCESS) {
 983                 for (i = 0; i < ahw->max_vnic_func; i++, npar++, pci_info++) {
 984                         pci_info->id = le16_to_cpu(npar->id);
 985                         pci_info->active = le16_to_cpu(npar->active);
 986                         if (!pci_info->active)
 987                                 continue;
 988                         pci_info->type = le16_to_cpu(npar->type);
 989                         err = qlcnic_get_pci_func_type(adapter, pci_info->type,
 990                                                        &nic, &fcoe, &iscsi);
 991                         pci_info->default_port =
 992                                 le16_to_cpu(npar->default_port);
 993                         pci_info->tx_min_bw =
 994                                 le16_to_cpu(npar->tx_min_bw);
 995                         pci_info->tx_max_bw =
 996                                 le16_to_cpu(npar->tx_max_bw);
 997                         memcpy(pci_info->mac, npar->mac, ETH_ALEN);
 998                 }
 999         } else {
1000                 dev_err(&adapter->pdev->dev,
1001                         "Failed to get PCI Info%d\n", err);
1002                 err = -EIO;
1003         }
1004
1005         ahw->total_nic_func = nic;
1006         ahw->total_pci_func = nic + fcoe + iscsi;
1007         if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) {
1008                 dev_err(&adapter->pdev->dev,
1009                         "%s: Invalid function count: total nic func[%x], total pci func[%x]\n",
1010                         __func__, ahw->total_nic_func, ahw->total_pci_func);
1011                 err = -EIO;
1012         }
1013         qlcnic_free_mbx_args(&cmd);
1014 out_free_dma:
1015         dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
1016                 pci_info_dma_t);
1017
1018         return err;
1019 }
1020
1021 /* Configure eSwitch for port mirroring */
1022 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
1023                                  u8 enable_mirroring, u8 pci_func)
1024 {
1025         struct device *dev = &adapter->pdev->dev;
1026         struct qlcnic_cmd_args cmd;
1027         int err = -EIO;
1028         u32 arg1;
1029
1030         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
1031             !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE)) {
1032                 dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
1033                         __func__);
1034                 return err;
1035         }
1036
1037         arg1 = id | (enable_mirroring ? BIT_4 : 0);
1038         arg1 |= pci_func << 8;
1039
1040         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1041                                     QLCNIC_CMD_SET_PORTMIRRORING);
1042         if (err)
1043                 return err;
1044
1045         cmd.req.arg[1] = arg1;
1046         err = qlcnic_issue_cmd(adapter, &cmd);
1047
1048         if (err != QLCNIC_RCODE_SUCCESS)
1049                 dev_err(dev, "Failed to configure port mirroring for vNIC function %d on eSwitch %d\n",
1050                         pci_func, id);
1051         else
1052                 dev_info(dev, "Configured port mirroring for vNIC function %d on eSwitch %d\n",
1053                          pci_func, id);
1054         qlcnic_free_mbx_args(&cmd);
1055
1056         return err;
1057 }
1058
1059 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
1060                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1061
1062         size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
1063         struct qlcnic_esw_stats_le *stats;
1064         dma_addr_t stats_dma_t;
1065         void *stats_addr;
1066         u32 arg1;
1067         struct qlcnic_cmd_args cmd;
1068         int err;
1069
1070         if (esw_stats == NULL)
1071                 return -ENOMEM;
1072
1073         if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
1074             (func != adapter->ahw->pci_func)) {
1075                 dev_err(&adapter->pdev->dev,
1076                         "Not privilege to query stats for func=%d", func);
1077                 return -EIO;
1078         }
1079
1080         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
1081                                         &stats_dma_t, GFP_KERNEL);
1082         if (!stats_addr)
1083                 return -ENOMEM;
1084
1085         arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
1086         arg1 |= rx_tx << 15 | stats_size << 16;
1087
1088         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1089                                     QLCNIC_CMD_GET_ESWITCH_STATS);
1090         if (err)
1091                 goto out_free_dma;
1092
1093         cmd.req.arg[1] = arg1;
1094         cmd.req.arg[2] = MSD(stats_dma_t);
1095         cmd.req.arg[3] = LSD(stats_dma_t);
1096         err = qlcnic_issue_cmd(adapter, &cmd);
1097
1098         if (!err) {
1099                 stats = stats_addr;
1100                 esw_stats->context_id = le16_to_cpu(stats->context_id);
1101                 esw_stats->version = le16_to_cpu(stats->version);
1102                 esw_stats->size = le16_to_cpu(stats->size);
1103                 esw_stats->multicast_frames =
1104                                 le64_to_cpu(stats->multicast_frames);
1105                 esw_stats->broadcast_frames =
1106                                 le64_to_cpu(stats->broadcast_frames);
1107                 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
1108                 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
1109                 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
1110                 esw_stats->errors = le64_to_cpu(stats->errors);
1111                 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
1112         }
1113
1114         qlcnic_free_mbx_args(&cmd);
1115 out_free_dma:
1116         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1117                           stats_dma_t);
1118
1119         return err;
1120 }
1121
1122 /* This routine will retrieve the MAC statistics from firmware */
1123 int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
1124                 struct qlcnic_mac_statistics *mac_stats)
1125 {
1126         struct qlcnic_mac_statistics_le *stats;
1127         struct qlcnic_cmd_args cmd;
1128         size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
1129         dma_addr_t stats_dma_t;
1130         void *stats_addr;
1131         int err;
1132
1133         if (mac_stats == NULL)
1134                 return -ENOMEM;
1135
1136         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
1137                                         &stats_dma_t, GFP_KERNEL);
1138         if (!stats_addr)
1139                 return -ENOMEM;
1140
1141         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS);
1142         if (err)
1143                 goto out_free_dma;
1144
1145         cmd.req.arg[1] = stats_size << 16;
1146         cmd.req.arg[2] = MSD(stats_dma_t);
1147         cmd.req.arg[3] = LSD(stats_dma_t);
1148         err = qlcnic_issue_cmd(adapter, &cmd);
1149         if (!err) {
1150                 stats = stats_addr;
1151                 mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
1152                 mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
1153                 mac_stats->mac_tx_mcast_pkts =
1154                                         le64_to_cpu(stats->mac_tx_mcast_pkts);
1155                 mac_stats->mac_tx_bcast_pkts =
1156                                         le64_to_cpu(stats->mac_tx_bcast_pkts);
1157                 mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
1158                 mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
1159                 mac_stats->mac_rx_mcast_pkts =
1160                                         le64_to_cpu(stats->mac_rx_mcast_pkts);
1161                 mac_stats->mac_rx_length_error =
1162                                 le64_to_cpu(stats->mac_rx_length_error);
1163                 mac_stats->mac_rx_length_small =
1164                                 le64_to_cpu(stats->mac_rx_length_small);
1165                 mac_stats->mac_rx_length_large =
1166                                 le64_to_cpu(stats->mac_rx_length_large);
1167                 mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
1168                 mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
1169                 mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
1170         } else {
1171                 dev_err(&adapter->pdev->dev,
1172                         "%s: Get mac stats failed, err=%d.\n", __func__, err);
1173         }
1174
1175         qlcnic_free_mbx_args(&cmd);
1176
1177 out_free_dma:
1178         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1179                           stats_dma_t);
1180
1181         return err;
1182 }
1183
1184 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
1185                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1186
1187         struct __qlcnic_esw_statistics port_stats;
1188         u8 i;
1189         int ret = -EIO;
1190
1191         if (esw_stats == NULL)
1192                 return -ENOMEM;
1193         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1194                 return -EIO;
1195         if (adapter->npars == NULL)
1196                 return -EIO;
1197
1198         memset(esw_stats, 0, sizeof(u64));
1199         esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
1200         esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
1201         esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
1202         esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
1203         esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
1204         esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
1205         esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
1206         esw_stats->context_id = eswitch;
1207
1208         for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1209                 if (adapter->npars[i].phy_port != eswitch)
1210                         continue;
1211
1212                 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
1213                 if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
1214                                           rx_tx, &port_stats))
1215                         continue;
1216
1217                 esw_stats->size = port_stats.size;
1218                 esw_stats->version = port_stats.version;
1219                 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
1220                                                 port_stats.unicast_frames);
1221                 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
1222                                                 port_stats.multicast_frames);
1223                 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
1224                                                 port_stats.broadcast_frames);
1225                 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
1226                                                 port_stats.dropped_frames);
1227                 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
1228                                                 port_stats.errors);
1229                 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
1230                                                 port_stats.local_frames);
1231                 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
1232                                                 port_stats.numbytes);
1233                 ret = 0;
1234         }
1235         return ret;
1236 }
1237
1238 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
1239                 const u8 port, const u8 rx_tx)
1240 {
1241         struct qlcnic_hardware_context *ahw = adapter->ahw;
1242         struct qlcnic_cmd_args cmd;
1243         int err;
1244         u32 arg1;
1245
1246         if (ahw->op_mode != QLCNIC_MGMT_FUNC)
1247                 return -EIO;
1248
1249         if (func_esw == QLCNIC_STATS_PORT) {
1250                 if (port >= ahw->max_vnic_func)
1251                         goto err_ret;
1252         } else if (func_esw == QLCNIC_STATS_ESWITCH) {
1253                 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
1254                         goto err_ret;
1255         } else {
1256                 goto err_ret;
1257         }
1258
1259         if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
1260                 goto err_ret;
1261
1262         arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
1263         arg1 |= BIT_14 | rx_tx << 15;
1264
1265         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1266                                     QLCNIC_CMD_GET_ESWITCH_STATS);
1267         if (err)
1268                 return err;
1269
1270         cmd.req.arg[1] = arg1;
1271         err = qlcnic_issue_cmd(adapter, &cmd);
1272         qlcnic_free_mbx_args(&cmd);
1273         return err;
1274
1275 err_ret:
1276         dev_err(&adapter->pdev->dev,
1277                 "Invalid args func_esw %d port %d rx_ctx %d\n",
1278                 func_esw, port, rx_tx);
1279         return -EIO;
1280 }
1281
1282 static int __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1283                                             u32 *arg1, u32 *arg2)
1284 {
1285         struct device *dev = &adapter->pdev->dev;
1286         struct qlcnic_cmd_args cmd;
1287         u8 pci_func = *arg1 >> 8;
1288         int err;
1289
1290         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1291                                     QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG);
1292         if (err)
1293                 return err;
1294
1295         cmd.req.arg[1] = *arg1;
1296         err = qlcnic_issue_cmd(adapter, &cmd);
1297         *arg1 = cmd.rsp.arg[1];
1298         *arg2 = cmd.rsp.arg[2];
1299         qlcnic_free_mbx_args(&cmd);
1300
1301         if (err == QLCNIC_RCODE_SUCCESS)
1302                 dev_info(dev, "Get eSwitch port config for vNIC function %d\n",
1303                          pci_func);
1304         else
1305                 dev_err(dev, "Failed to get eswitch port config for vNIC function %d\n",
1306                         pci_func);
1307         return err;
1308 }
1309 /* Configure eSwitch port
1310 op_mode = 0 for setting default port behavior
1311 op_mode = 1 for setting  vlan id
1312 op_mode = 2 for deleting vlan id
1313 op_type = 0 for vlan_id
1314 op_type = 1 for port vlan_id
1315 */
1316 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1317                 struct qlcnic_esw_func_cfg *esw_cfg)
1318 {
1319         struct device *dev = &adapter->pdev->dev;
1320         struct qlcnic_cmd_args cmd;
1321         int err = -EIO, index;
1322         u32 arg1, arg2 = 0;
1323         u8 pci_func;
1324
1325         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
1326                 dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
1327                         __func__);
1328                 return err;
1329         }
1330
1331         pci_func = esw_cfg->pci_func;
1332         index = qlcnic_is_valid_nic_func(adapter, pci_func);
1333         if (index < 0)
1334                 return err;
1335         arg1 = (adapter->npars[index].phy_port & BIT_0);
1336         arg1 |= (pci_func << 8);
1337
1338         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1339                 return err;
1340         arg1 &= ~(0x0ff << 8);
1341         arg1 |= (pci_func << 8);
1342         arg1 &= ~(BIT_2 | BIT_3);
1343         switch (esw_cfg->op_mode) {
1344         case QLCNIC_PORT_DEFAULTS:
1345                 arg1 |= (BIT_4 | BIT_6 | BIT_7);
1346                 arg2 |= (BIT_0 | BIT_1);
1347                 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1348                         arg2 |= (BIT_2 | BIT_3);
1349                 if (!(esw_cfg->discard_tagged))
1350                         arg1 &= ~BIT_4;
1351                 if (!(esw_cfg->promisc_mode))
1352                         arg1 &= ~BIT_6;
1353                 if (!(esw_cfg->mac_override))
1354                         arg1 &= ~BIT_7;
1355                 if (!(esw_cfg->mac_anti_spoof))
1356                         arg2 &= ~BIT_0;
1357                 if (!(esw_cfg->offload_flags & BIT_0))
1358                         arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1359                 if (!(esw_cfg->offload_flags & BIT_1))
1360                         arg2 &= ~BIT_2;
1361                 if (!(esw_cfg->offload_flags & BIT_2))
1362                         arg2 &= ~BIT_3;
1363                 break;
1364         case QLCNIC_ADD_VLAN:
1365                         arg1 &= ~(0x0ffff << 16);
1366                         arg1 |= (BIT_2 | BIT_5);
1367                         arg1 |= (esw_cfg->vlan_id << 16);
1368                         break;
1369         case QLCNIC_DEL_VLAN:
1370                         arg1 |= (BIT_3 | BIT_5);
1371                         arg1 &= ~(0x0ffff << 16);
1372                         break;
1373         default:
1374                 dev_err(&adapter->pdev->dev, "%s: Invalid opmode 0x%x\n",
1375                         __func__, esw_cfg->op_mode);
1376                 return err;
1377         }
1378
1379         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1380                                     QLCNIC_CMD_CONFIGURE_ESWITCH);
1381         if (err)
1382                 return err;
1383
1384         cmd.req.arg[1] = arg1;
1385         cmd.req.arg[2] = arg2;
1386         err = qlcnic_issue_cmd(adapter, &cmd);
1387         qlcnic_free_mbx_args(&cmd);
1388
1389         if (err != QLCNIC_RCODE_SUCCESS)
1390                 dev_err(dev, "Failed to configure eswitch for vNIC function %d\n",
1391                         pci_func);
1392         else
1393                 dev_info(dev, "Configured eSwitch for vNIC function %d\n",
1394                          pci_func);
1395
1396         return err;
1397 }
1398
1399 int
1400 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1401                         struct qlcnic_esw_func_cfg *esw_cfg)
1402 {
1403         u32 arg1, arg2;
1404         int index;
1405         u8 phy_port;
1406
1407         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
1408                 index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
1409                 if (index < 0)
1410                         return -EIO;
1411                 phy_port = adapter->npars[index].phy_port;
1412         } else {
1413                 phy_port = adapter->ahw->physical_port;
1414         }
1415         arg1 = phy_port;
1416         arg1 |= (esw_cfg->pci_func << 8);
1417         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1418                 return -EIO;
1419
1420         esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1421         esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1422         esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1423         esw_cfg->mac_override = !!(arg1 & BIT_7);
1424         esw_cfg->vlan_id = LSW(arg1 >> 16);
1425         esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1426         esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1427
1428         return 0;
1429 }