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

   1 /*
   2  * QLogic qlcnic NIC Driver
   3  * Copyright (c)  2009-2010 QLogic Corporation
   4  *
   5  * See LICENSE.qlcnic for copyright and licensing details.
   6  */
   7
   8 #include "qlcnic.h"
   9
  10 static int qlcnic_is_valid_nic_func(struct qlcnic_adapter *adapter, u8 pci_func)
  11 {
  12         int i;
  13
  14         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
  15                 if (adapter->npars[i].pci_func == pci_func)
  16                         return i;
  17         }
  18
  19         return -1;
  20 }
  21
  22 static u32
  23 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
  24 {
  25         u32 rsp;
  26         int timeout = 0;
  27
  28         do {
  29                 /* give atleast 1ms for firmware to respond */
  30                 mdelay(1);
  31
  32                 if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
  33                         return QLCNIC_CDRP_RSP_TIMEOUT;
  34
  35                 rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET);
  36         } while (!QLCNIC_CDRP_IS_RSP(rsp));
  37
  38         return rsp;
  39 }
  40
  41 void
  42 qlcnic_issue_cmd(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd)
  43 {
  44         u32 rsp;
  45         u32 signature;
  46         struct pci_dev *pdev = adapter->pdev;
  47         struct qlcnic_hardware_context *ahw = adapter->ahw;
  48
  49         signature = QLCNIC_CDRP_SIGNATURE_MAKE(ahw->pci_func,
  50                                                adapter->ahw->fw_hal_version);
  51
  52         /* Acquire semaphore before accessing CRB */
  53         if (qlcnic_api_lock(adapter)) {
  54                 cmd->rsp.cmd = QLCNIC_RCODE_TIMEOUT;
  55                 return;
  56         }
  57
  58         QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
  59         QLCWR32(adapter, QLCNIC_ARG1_CRB_OFFSET, cmd->req.arg1);
  60         QLCWR32(adapter, QLCNIC_ARG2_CRB_OFFSET, cmd->req.arg2);
  61         QLCWR32(adapter, QLCNIC_ARG3_CRB_OFFSET, cmd->req.arg3);
  62         QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
  63                 QLCNIC_CDRP_FORM_CMD(cmd->req.cmd));
  64
  65         rsp = qlcnic_poll_rsp(adapter);
  66
  67         if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
  68                 dev_err(&pdev->dev, "CDRP response timeout.\n");
  69                 cmd->rsp.cmd = QLCNIC_RCODE_TIMEOUT;
  70         } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
  71                 cmd->rsp.cmd = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
  72                 switch (cmd->rsp.cmd) {
  73                 case QLCNIC_RCODE_INVALID_ARGS:
  74                         dev_err(&pdev->dev, "CDRP invalid args: 0x%x.\n",
  75                                 cmd->rsp.cmd);
  76                         break;
  77                 case QLCNIC_RCODE_NOT_SUPPORTED:
  78                 case QLCNIC_RCODE_NOT_IMPL:
  79                         dev_err(&pdev->dev,
  80                                 "CDRP command not supported: 0x%x.\n",
  81                                 cmd->rsp.cmd);
  82                         break;
  83                 case QLCNIC_RCODE_NOT_PERMITTED:
  84                         dev_err(&pdev->dev,
  85                                 "CDRP requested action not permitted: 0x%x.\n",
  86                                 cmd->rsp.cmd);
  87                         break;
  88                 case QLCNIC_RCODE_INVALID:
  89                         dev_err(&pdev->dev,
  90                                 "CDRP invalid or unknown cmd received: 0x%x.\n",
  91                                 cmd->rsp.cmd);
  92                         break;
  93                 case QLCNIC_RCODE_TIMEOUT:
  94                         dev_err(&pdev->dev, "CDRP command timeout: 0x%x.\n",
  95                                 cmd->rsp.cmd);
  96                         break;
  97                 default:
  98                         dev_err(&pdev->dev, "CDRP command failed: 0x%x.\n",
  99                                 cmd->rsp.cmd);
 100                 }
 101         } else if (rsp == QLCNIC_CDRP_RSP_OK) {
 102                 cmd->rsp.cmd = QLCNIC_RCODE_SUCCESS;
 103                 if (cmd->rsp.arg2)
 104                         cmd->rsp.arg2 = QLCRD32(adapter,
 105                                 QLCNIC_ARG2_CRB_OFFSET);
 106                 if (cmd->rsp.arg3)
 107                         cmd->rsp.arg3 = QLCRD32(adapter,
 108                                 QLCNIC_ARG3_CRB_OFFSET);
 109         }
 110         if (cmd->rsp.arg1)
 111                 cmd->rsp.arg1 = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
 112
 113         /* Release semaphore */
 114         qlcnic_api_unlock(adapter);
 115
 116 }
 117
 118 static uint32_t qlcnic_temp_checksum(uint32_t *temp_buffer, u32 temp_size)
 119 {
 120         uint64_t sum = 0;
 121         int count = temp_size / sizeof(uint32_t);
 122         while (count-- > 0)
 123                 sum += *temp_buffer++;
 124         while (sum >> 32)
 125                 sum = (sum & 0xFFFFFFFF) + (sum >> 32);
 126         return ~sum;
 127 }
 128
 129 int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter)
 130 {
 131         int err, i;
 132         void *tmp_addr;
 133         u32 temp_size, version, csum, *template;
 134         __le32 *tmp_buf;
 135         struct qlcnic_cmd_args cmd;
 136         struct qlcnic_hardware_context *ahw;
 137         struct qlcnic_dump_template_hdr *tmpl_hdr, *tmp_tmpl;
 138         dma_addr_t tmp_addr_t = 0;
 139
 140         ahw = adapter->ahw;
 141         memset(&cmd, 0, sizeof(cmd));
 142         cmd.req.cmd = QLCNIC_CDRP_CMD_TEMP_SIZE;
 143         memset(&cmd.rsp, 1, sizeof(struct _cdrp_cmd));
 144         qlcnic_issue_cmd(adapter, &cmd);
 145         if (cmd.rsp.cmd != QLCNIC_RCODE_SUCCESS) {
 146                 dev_info(&adapter->pdev->dev,
 147                         "Can't get template size %d\n", cmd.rsp.cmd);
 148                 err = -EIO;
 149                 return err;
 150         }
 151         temp_size = cmd.rsp.arg2;
 152         version = cmd.rsp.arg3;
 153         if (!temp_size)
 154                 return -EIO;
 155
 156         tmp_addr = dma_alloc_coherent(&adapter->pdev->dev, temp_size,
 157                         &tmp_addr_t, GFP_KERNEL);
 158         if (!tmp_addr) {
 159                 dev_err(&adapter->pdev->dev,
 160                         "Can't get memory for FW dump template\n");
 161                 return -ENOMEM;
 162         }
 163         memset(&cmd.rsp, 0, sizeof(struct _cdrp_cmd));
 164         cmd.req.cmd = QLCNIC_CDRP_CMD_GET_TEMP_HDR;
 165         cmd.req.arg1 = LSD(tmp_addr_t);
 166         cmd.req.arg2 = MSD(tmp_addr_t);
 167         cmd.req.arg3 = temp_size;
 168         qlcnic_issue_cmd(adapter, &cmd);
 169
 170         err = cmd.rsp.cmd;
 171         if (err != QLCNIC_RCODE_SUCCESS) {
 172                 dev_err(&adapter->pdev->dev,
 173                         "Failed to get mini dump template header %d\n", err);
 174                 err = -EIO;
 175                 goto error;
 176         }
 177         tmp_tmpl = tmp_addr;
 178         ahw->fw_dump.tmpl_hdr = vzalloc(temp_size);
 179         if (!ahw->fw_dump.tmpl_hdr) {
 180                 err = -EIO;
 181                 goto error;
 182         }
 183         tmp_buf = tmp_addr;
 184         template = (u32 *) ahw->fw_dump.tmpl_hdr;
 185         for (i = 0; i < temp_size/sizeof(u32); i++)
 186                 *template++ = __le32_to_cpu(*tmp_buf++);
 187
 188         csum = qlcnic_temp_checksum((u32 *)ahw->fw_dump.tmpl_hdr, temp_size);
 189         if (csum) {
 190                 dev_err(&adapter->pdev->dev,
 191                         "Template header checksum validation failed\n");
 192                 err = -EIO;
 193                 goto error;
 194         }
 195
 196         tmpl_hdr = ahw->fw_dump.tmpl_hdr;
 197         tmpl_hdr->drv_cap_mask = QLCNIC_DUMP_MASK_DEF;
 198         ahw->fw_dump.enable = 1;
 199 error:
 200         dma_free_coherent(&adapter->pdev->dev, temp_size, tmp_addr, tmp_addr_t);
 201         return err;
 202 }
 203
 204 int
 205 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
 206 {
 207         struct qlcnic_cmd_args cmd;
 208         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 209
 210         memset(&cmd, 0, sizeof(cmd));
 211         cmd.req.cmd = QLCNIC_CDRP_CMD_SET_MTU;
 212         cmd.req.arg1 = recv_ctx->context_id;
 213         cmd.req.arg2 = mtu;
 214         cmd.req.arg3 = 0;
 215         if (recv_ctx->state == QLCNIC_HOST_CTX_STATE_ACTIVE) {
 216                 qlcnic_issue_cmd(adapter, &cmd);
 217                 if (cmd.rsp.cmd) {
 218                         dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
 219                         return -EIO;
 220                 }
 221         }
 222
 223         return 0;
 224 }
 225
 226 static int
 227 qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 228 {
 229         void *addr;
 230         struct qlcnic_hostrq_rx_ctx *prq;
 231         struct qlcnic_cardrsp_rx_ctx *prsp;
 232         struct qlcnic_hostrq_rds_ring *prq_rds;
 233         struct qlcnic_hostrq_sds_ring *prq_sds;
 234         struct qlcnic_cardrsp_rds_ring *prsp_rds;
 235         struct qlcnic_cardrsp_sds_ring *prsp_sds;
 236         struct qlcnic_host_rds_ring *rds_ring;
 237         struct qlcnic_host_sds_ring *sds_ring;
 238         struct qlcnic_cmd_args cmd;
 239
 240         dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
 241         u64 phys_addr;
 242
 243         u8 i, nrds_rings, nsds_rings;
 244         size_t rq_size, rsp_size;
 245         u32 cap, reg, val, reg2;
 246         int err;
 247         u16 temp;
 248
 249         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 250
 251         nrds_rings = adapter->max_rds_rings;
 252         nsds_rings = adapter->max_sds_rings;
 253
 254         rq_size =
 255                 SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
 256                                                 nsds_rings);
 257         rsp_size =
 258                 SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
 259                                                 nsds_rings);
 260
 261         addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 262                         &hostrq_phys_addr, GFP_KERNEL);
 263         if (addr == NULL)
 264                 return -ENOMEM;
 265         prq = addr;
 266
 267         addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 268                         &cardrsp_phys_addr, GFP_KERNEL);
 269         if (addr == NULL) {
 270                 err = -ENOMEM;
 271                 goto out_free_rq;
 272         }
 273         prsp = addr;
 274
 275         prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
 276
 277         cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
 278                                                 | QLCNIC_CAP0_VALIDOFF);
 279         cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
 280
 281         if (adapter->flags & QLCNIC_FW_LRO_MSS_CAP)
 282                 cap |= QLCNIC_CAP0_LRO_MSS;
 283
 284         temp = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler);
 285         prq->valid_field_offset = cpu_to_le16(temp);
 286         prq->txrx_sds_binding = nsds_rings - 1;
 287
 288         prq->capabilities[0] = cpu_to_le32(cap);
 289         prq->host_int_crb_mode =
 290                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 291         prq->host_rds_crb_mode =
 292                 cpu_to_le32(QLCNIC_HOST_RDS_CRB_MODE_UNIQUE);
 293
 294         prq->num_rds_rings = cpu_to_le16(nrds_rings);
 295         prq->num_sds_rings = cpu_to_le16(nsds_rings);
 296         prq->rds_ring_offset = 0;
 297
 298         val = le32_to_cpu(prq->rds_ring_offset) +
 299                 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
 300         prq->sds_ring_offset = cpu_to_le32(val);
 301
 302         prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
 303                         le32_to_cpu(prq->rds_ring_offset));
 304
 305         for (i = 0; i < nrds_rings; i++) {
 306
 307                 rds_ring = &recv_ctx->rds_rings[i];
 308                 rds_ring->producer = 0;
 309
 310                 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
 311                 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
 312                 prq_rds[i].ring_kind = cpu_to_le32(i);
 313                 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
 314         }
 315
 316         prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
 317                         le32_to_cpu(prq->sds_ring_offset));
 318
 319         for (i = 0; i < nsds_rings; i++) {
 320
 321                 sds_ring = &recv_ctx->sds_rings[i];
 322                 sds_ring->consumer = 0;
 323                 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
 324
 325                 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
 326                 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
 327                 prq_sds[i].msi_index = cpu_to_le16(i);
 328         }
 329
 330         phys_addr = hostrq_phys_addr;
 331         memset(&cmd, 0, sizeof(cmd));
 332         cmd.req.arg1 = (u32) (phys_addr >> 32);
 333         cmd.req.arg2 = (u32) (phys_addr & 0xffffffff);
 334         cmd.req.arg3 = rq_size;
 335         cmd.req.cmd = QLCNIC_CDRP_CMD_CREATE_RX_CTX;
 336         qlcnic_issue_cmd(adapter, &cmd);
 337         err = cmd.rsp.cmd;
 338         if (err) {
 339                 dev_err(&adapter->pdev->dev,
 340                         "Failed to create rx ctx in firmware%d\n", err);
 341                 goto out_free_rsp;
 342         }
 343
 344
 345         prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
 346                          &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
 347
 348         for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
 349                 rds_ring = &recv_ctx->rds_rings[i];
 350
 351                 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
 352                 rds_ring->crb_rcv_producer = adapter->ahw->pci_base0 + reg;
 353         }
 354
 355         prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
 356                         &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
 357
 358         for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
 359                 sds_ring = &recv_ctx->sds_rings[i];
 360
 361                 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
 362                 reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
 363
 364                 sds_ring->crb_sts_consumer = adapter->ahw->pci_base0 + reg;
 365                 sds_ring->crb_intr_mask = adapter->ahw->pci_base0 + reg2;
 366         }
 367
 368         recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
 369         recv_ctx->context_id = le16_to_cpu(prsp->context_id);
 370         recv_ctx->virt_port = prsp->virt_port;
 371
 372 out_free_rsp:
 373         dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
 374                 cardrsp_phys_addr);
 375 out_free_rq:
 376         dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
 377         return err;
 378 }
 379
 380 static void
 381 qlcnic_fw_cmd_destroy_rx_ctx(struct qlcnic_adapter *adapter)
 382 {
 383         struct qlcnic_cmd_args cmd;
 384         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 385
 386         memset(&cmd, 0, sizeof(cmd));
 387         cmd.req.arg1 = recv_ctx->context_id;
 388         cmd.req.arg2 = QLCNIC_DESTROY_CTX_RESET;
 389         cmd.req.arg3 = 0;
 390         cmd.req.cmd = QLCNIC_CDRP_CMD_DESTROY_RX_CTX;
 391         qlcnic_issue_cmd(adapter, &cmd);
 392         if (cmd.rsp.cmd)
 393                 dev_err(&adapter->pdev->dev,
 394                         "Failed to destroy rx ctx in firmware\n");
 395
 396         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 397 }
 398
 399 static int
 400 qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter)
 401 {
 402         struct qlcnic_hostrq_tx_ctx     *prq;
 403         struct qlcnic_hostrq_cds_ring   *prq_cds;
 404         struct qlcnic_cardrsp_tx_ctx    *prsp;
 405         void    *rq_addr, *rsp_addr;
 406         size_t  rq_size, rsp_size;
 407         u32     temp;
 408         struct qlcnic_cmd_args cmd;
 409         int     err;
 410         u64     phys_addr;
 411         dma_addr_t      rq_phys_addr, rsp_phys_addr;
 412         struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
 413
 414         /* reset host resources */
 415         tx_ring->producer = 0;
 416         tx_ring->sw_consumer = 0;
 417         *(tx_ring->hw_consumer) = 0;
 418
 419         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
 420         rq_addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 421                         &rq_phys_addr, GFP_KERNEL);
 422         if (!rq_addr)
 423                 return -ENOMEM;
 424
 425         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
 426         rsp_addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 427                         &rsp_phys_addr, GFP_KERNEL);
 428         if (!rsp_addr) {
 429                 err = -ENOMEM;
 430                 goto out_free_rq;
 431         }
 432
 433         memset(rq_addr, 0, rq_size);
 434         prq = rq_addr;
 435
 436         memset(rsp_addr, 0, rsp_size);
 437         prsp = rsp_addr;
 438
 439         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 440
 441         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 442                                         QLCNIC_CAP0_LSO);
 443         prq->capabilities[0] = cpu_to_le32(temp);
 444
 445         prq->host_int_crb_mode =
 446                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 447
 448         prq->interrupt_ctl = 0;
 449         prq->msi_index = 0;
 450         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 451
 452         prq_cds = &prq->cds_ring;
 453
 454         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 455         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 456
 457         phys_addr = rq_phys_addr;
 458         memset(&cmd, 0, sizeof(cmd));
 459         cmd.req.arg1 = (u32)(phys_addr >> 32);
 460         cmd.req.arg2 = ((u32)phys_addr & 0xffffffff);
 461         cmd.req.arg3 = rq_size;
 462         cmd.req.cmd = QLCNIC_CDRP_CMD_CREATE_TX_CTX;
 463         qlcnic_issue_cmd(adapter, &cmd);
 464         err = cmd.rsp.cmd;
 465
 466         if (err == QLCNIC_RCODE_SUCCESS) {
 467                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 468                 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
 469
 470                 adapter->tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
 471         } else {
 472                 dev_err(&adapter->pdev->dev,
 473                         "Failed to create tx ctx in firmware%d\n", err);
 474                 err = -EIO;
 475         }
 476
 477         dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
 478                 rsp_phys_addr);
 479
 480 out_free_rq:
 481         dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
 482
 483         return err;
 484 }
 485
 486 static void
 487 qlcnic_fw_cmd_destroy_tx_ctx(struct qlcnic_adapter *adapter)
 488 {
 489         struct qlcnic_cmd_args cmd;
 490
 491         memset(&cmd, 0, sizeof(cmd));
 492         cmd.req.arg1 = adapter->tx_ring->ctx_id;
 493         cmd.req.arg2 = QLCNIC_DESTROY_CTX_RESET;
 494         cmd.req.arg3 = 0;
 495         cmd.req.cmd = QLCNIC_CDRP_CMD_DESTROY_TX_CTX;
 496         qlcnic_issue_cmd(adapter, &cmd);
 497         if (cmd.rsp.cmd)
 498                 dev_err(&adapter->pdev->dev,
 499                         "Failed to destroy tx ctx in firmware\n");
 500 }
 501
 502 int
 503 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
 504 {
 505         struct qlcnic_cmd_args cmd;
 506
 507         memset(&cmd, 0, sizeof(cmd));
 508         cmd.req.arg1 = config;
 509         cmd.req.cmd = QLCNIC_CDRP_CMD_CONFIG_PORT;
 510         qlcnic_issue_cmd(adapter, &cmd);
 511
 512         return cmd.rsp.cmd;
 513 }
 514
 515 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 516 {
 517         void *addr;
 518         int err;
 519         int ring;
 520         struct qlcnic_recv_context *recv_ctx;
 521         struct qlcnic_host_rds_ring *rds_ring;
 522         struct qlcnic_host_sds_ring *sds_ring;
 523         struct qlcnic_host_tx_ring *tx_ring;
 524
 525         struct pci_dev *pdev = adapter->pdev;
 526
 527         recv_ctx = adapter->recv_ctx;
 528         tx_ring = adapter->tx_ring;
 529
 530         tx_ring->hw_consumer = (__le32 *) dma_alloc_coherent(&pdev->dev,
 531                 sizeof(u32), &tx_ring->hw_cons_phys_addr, GFP_KERNEL);
 532         if (tx_ring->hw_consumer == NULL) {
 533                 dev_err(&pdev->dev, "failed to allocate tx consumer\n");
 534                 return -ENOMEM;
 535         }
 536
 537         /* cmd desc ring */
 538         addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
 539                         &tx_ring->phys_addr, GFP_KERNEL);
 540
 541         if (addr == NULL) {
 542                 dev_err(&pdev->dev, "failed to allocate tx desc ring\n");
 543                 err = -ENOMEM;
 544                 goto err_out_free;
 545         }
 546
 547         tx_ring->desc_head = addr;
 548
 549         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 550                 rds_ring = &recv_ctx->rds_rings[ring];
 551                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 552                                 RCV_DESC_RINGSIZE(rds_ring),
 553                                 &rds_ring->phys_addr, GFP_KERNEL);
 554                 if (addr == NULL) {
 555                         dev_err(&pdev->dev,
 556                                 "failed to allocate rds ring [%d]\n", ring);
 557                         err = -ENOMEM;
 558                         goto err_out_free;
 559                 }
 560                 rds_ring->desc_head = addr;
 561
 562         }
 563
 564         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 565                 sds_ring = &recv_ctx->sds_rings[ring];
 566
 567                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 568                                 STATUS_DESC_RINGSIZE(sds_ring),
 569                                 &sds_ring->phys_addr, GFP_KERNEL);
 570                 if (addr == NULL) {
 571                         dev_err(&pdev->dev,
 572                                 "failed to allocate sds ring [%d]\n", ring);
 573                         err = -ENOMEM;
 574                         goto err_out_free;
 575                 }
 576                 sds_ring->desc_head = addr;
 577         }
 578
 579         return 0;
 580
 581 err_out_free:
 582         qlcnic_free_hw_resources(adapter);
 583         return err;
 584 }
 585
 586
 587 int qlcnic_fw_create_ctx(struct qlcnic_adapter *adapter)
 588 {
 589         int err;
 590
 591         if (adapter->flags & QLCNIC_NEED_FLR) {
 592                 pci_reset_function(adapter->pdev);
 593                 adapter->flags &= ~QLCNIC_NEED_FLR;
 594         }
 595
 596         err = qlcnic_fw_cmd_create_rx_ctx(adapter);
 597         if (err)
 598                 return err;
 599
 600         err = qlcnic_fw_cmd_create_tx_ctx(adapter);
 601         if (err) {
 602                 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
 603                 return err;
 604         }
 605
 606         set_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
 607         return 0;
 608 }
 609
 610 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 611 {
 612         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 613                 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
 614                 qlcnic_fw_cmd_destroy_tx_ctx(adapter);
 615
 616                 /* Allow dma queues to drain after context reset */
 617                 mdelay(20);
 618         }
 619 }
 620
 621 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 622 {
 623         struct qlcnic_recv_context *recv_ctx;
 624         struct qlcnic_host_rds_ring *rds_ring;
 625         struct qlcnic_host_sds_ring *sds_ring;
 626         struct qlcnic_host_tx_ring *tx_ring;
 627         int ring;
 628
 629         recv_ctx = adapter->recv_ctx;
 630
 631         tx_ring = adapter->tx_ring;
 632         if (tx_ring->hw_consumer != NULL) {
 633                 dma_free_coherent(&adapter->pdev->dev,
 634                                 sizeof(u32),
 635                                 tx_ring->hw_consumer,
 636                                 tx_ring->hw_cons_phys_addr);
 637                 tx_ring->hw_consumer = NULL;
 638         }
 639
 640         if (tx_ring->desc_head != NULL) {
 641                 dma_free_coherent(&adapter->pdev->dev,
 642                                 TX_DESC_RINGSIZE(tx_ring),
 643                                 tx_ring->desc_head, tx_ring->phys_addr);
 644                 tx_ring->desc_head = NULL;
 645         }
 646
 647         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 648                 rds_ring = &recv_ctx->rds_rings[ring];
 649
 650                 if (rds_ring->desc_head != NULL) {
 651                         dma_free_coherent(&adapter->pdev->dev,
 652                                         RCV_DESC_RINGSIZE(rds_ring),
 653                                         rds_ring->desc_head,
 654                                         rds_ring->phys_addr);
 655                         rds_ring->desc_head = NULL;
 656                 }
 657         }
 658
 659         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 660                 sds_ring = &recv_ctx->sds_rings[ring];
 661
 662                 if (sds_ring->desc_head != NULL) {
 663                         dma_free_coherent(&adapter->pdev->dev,
 664                                 STATUS_DESC_RINGSIZE(sds_ring),
 665                                 sds_ring->desc_head,
 666                                 sds_ring->phys_addr);
 667                         sds_ring->desc_head = NULL;
 668                 }
 669         }
 670 }
 671
 672
 673 /* Get MAC address of a NIC partition */
 674 int qlcnic_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
 675 {
 676         int err;
 677         struct qlcnic_cmd_args cmd;
 678
 679         memset(&cmd, 0, sizeof(cmd));
 680         cmd.req.arg1 = adapter->ahw->pci_func | BIT_8;
 681         cmd.req.cmd = QLCNIC_CDRP_CMD_MAC_ADDRESS;
 682         cmd.rsp.arg1 = cmd.rsp.arg2 = 1;
 683         qlcnic_issue_cmd(adapter, &cmd);
 684         err = cmd.rsp.cmd;
 685
 686         if (err == QLCNIC_RCODE_SUCCESS)
 687                 qlcnic_fetch_mac(cmd.rsp.arg1, cmd.rsp.arg2, 0, mac);
 688         else {
 689                 dev_err(&adapter->pdev->dev,
 690                         "Failed to get mac address%d\n", err);
 691                 err = -EIO;
 692         }
 693
 694         return err;
 695 }
 696
 697 /* Get info of a NIC partition */
 698 int qlcnic_get_nic_info(struct qlcnic_adapter *adapter,
 699                                 struct qlcnic_info *npar_info, u8 func_id)
 700 {
 701         int     err;
 702         dma_addr_t nic_dma_t;
 703         struct qlcnic_info_le *nic_info;
 704         void *nic_info_addr;
 705         struct qlcnic_cmd_args cmd;
 706         size_t  nic_size = sizeof(struct qlcnic_info_le);
 707
 708         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 709                                 &nic_dma_t, GFP_KERNEL);
 710         if (!nic_info_addr)
 711                 return -ENOMEM;
 712         memset(nic_info_addr, 0, nic_size);
 713
 714         nic_info = nic_info_addr;
 715         memset(&cmd, 0, sizeof(cmd));
 716         cmd.req.cmd = QLCNIC_CDRP_CMD_GET_NIC_INFO;
 717         cmd.req.arg1 = MSD(nic_dma_t);
 718         cmd.req.arg2 = LSD(nic_dma_t);
 719         cmd.req.arg3 = (func_id << 16 | nic_size);
 720         qlcnic_issue_cmd(adapter, &cmd);
 721         err = cmd.rsp.cmd;
 722
 723         if (err == QLCNIC_RCODE_SUCCESS) {
 724                 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
 725                 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
 726                 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
 727                 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
 728                 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 729                 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 730                 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 731                 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 732                 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
 733                 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 734
 735                 dev_info(&adapter->pdev->dev,
 736                         "phy port: %d switch_mode: %d,\n"
 737                         "\tmax_tx_q: %d max_rx_q: %d min_tx_bw: 0x%x,\n"
 738                         "\tmax_tx_bw: 0x%x max_mtu:0x%x, capabilities: 0x%x\n",
 739                         npar_info->phys_port, npar_info->switch_mode,
 740                         npar_info->max_tx_ques, npar_info->max_rx_ques,
 741                         npar_info->min_tx_bw, npar_info->max_tx_bw,
 742                         npar_info->max_mtu, npar_info->capabilities);
 743         } else {
 744                 dev_err(&adapter->pdev->dev,
 745                         "Failed to get nic info%d\n", err);
 746                 err = -EIO;
 747         }
 748
 749         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 750                 nic_dma_t);
 751         return err;
 752 }
 753
 754 /* Configure a NIC partition */
 755 int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
 756 {
 757         int err = -EIO;
 758         dma_addr_t nic_dma_t;
 759         void *nic_info_addr;
 760         struct qlcnic_cmd_args cmd;
 761         struct qlcnic_info_le *nic_info;
 762         size_t nic_size = sizeof(struct qlcnic_info_le);
 763
 764         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
 765                 return err;
 766
 767         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 768                         &nic_dma_t, GFP_KERNEL);
 769         if (!nic_info_addr)
 770                 return -ENOMEM;
 771
 772         memset(nic_info_addr, 0, nic_size);
 773         nic_info = nic_info_addr;
 774
 775         nic_info->pci_func = cpu_to_le16(nic->pci_func);
 776         nic_info->op_mode = cpu_to_le16(nic->op_mode);
 777         nic_info->phys_port = cpu_to_le16(nic->phys_port);
 778         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 779         nic_info->capabilities = cpu_to_le32(nic->capabilities);
 780         nic_info->max_mac_filters = nic->max_mac_filters;
 781         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 782         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 783         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 784         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 785
 786         memset(&cmd, 0, sizeof(cmd));
 787         cmd.req.cmd = QLCNIC_CDRP_CMD_SET_NIC_INFO;
 788         cmd.req.arg1 = MSD(nic_dma_t);
 789         cmd.req.arg2 = LSD(nic_dma_t);
 790         cmd.req.arg3 = ((nic->pci_func << 16) | nic_size);
 791         qlcnic_issue_cmd(adapter, &cmd);
 792         err = cmd.rsp.cmd;
 793
 794         if (err != QLCNIC_RCODE_SUCCESS) {
 795                 dev_err(&adapter->pdev->dev,
 796                         "Failed to set nic info%d\n", err);
 797                 err = -EIO;
 798         }
 799
 800         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 801                 nic_dma_t);
 802         return err;
 803 }
 804
 805 /* Get PCI Info of a partition */
 806 int qlcnic_get_pci_info(struct qlcnic_adapter *adapter,
 807                                 struct qlcnic_pci_info *pci_info)
 808 {
 809         int err = 0, i;
 810         struct qlcnic_cmd_args cmd;
 811         dma_addr_t pci_info_dma_t;
 812         struct qlcnic_pci_info_le *npar;
 813         void *pci_info_addr;
 814         size_t npar_size = sizeof(struct qlcnic_pci_info_le);
 815         size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
 816
 817         pci_info_addr = dma_alloc_coherent(&adapter->pdev->dev, pci_size,
 818                         &pci_info_dma_t, GFP_KERNEL);
 819         if (!pci_info_addr)
 820                 return -ENOMEM;
 821         memset(pci_info_addr, 0, pci_size);
 822
 823         npar = pci_info_addr;
 824         memset(&cmd, 0, sizeof(cmd));
 825         cmd.req.cmd = QLCNIC_CDRP_CMD_GET_PCI_INFO;
 826         cmd.req.arg1 = MSD(pci_info_dma_t);
 827         cmd.req.arg2 = LSD(pci_info_dma_t);
 828         cmd.req.arg3 = pci_size;
 829         qlcnic_issue_cmd(adapter, &cmd);
 830         err = cmd.rsp.cmd;
 831
 832         adapter->ahw->act_pci_func = 0;
 833         if (err == QLCNIC_RCODE_SUCCESS) {
 834                 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) {
 835                         pci_info->id = le16_to_cpu(npar->id);
 836                         pci_info->active = le16_to_cpu(npar->active);
 837                         pci_info->type = le16_to_cpu(npar->type);
 838                         if (pci_info->type == QLCNIC_TYPE_NIC)
 839                                 adapter->ahw->act_pci_func++;
 840                         pci_info->default_port =
 841                                 le16_to_cpu(npar->default_port);
 842                         pci_info->tx_min_bw =
 843                                 le16_to_cpu(npar->tx_min_bw);
 844                         pci_info->tx_max_bw =
 845                                 le16_to_cpu(npar->tx_max_bw);
 846                         memcpy(pci_info->mac, npar->mac, ETH_ALEN);
 847                 }
 848         } else {
 849                 dev_err(&adapter->pdev->dev,
 850                         "Failed to get PCI Info%d\n", err);
 851                 err = -EIO;
 852         }
 853
 854         dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
 855                 pci_info_dma_t);
 856         return err;
 857 }
 858
 859 /* Configure eSwitch for port mirroring */
 860 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
 861                                 u8 enable_mirroring, u8 pci_func)
 862 {
 863         int err = -EIO;
 864         u32 arg1;
 865         struct qlcnic_cmd_args cmd;
 866
 867         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
 868             !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
 869                 return err;
 870
 871         arg1 = id | (enable_mirroring ? BIT_4 : 0);
 872         arg1 |= pci_func << 8;
 873
 874         memset(&cmd, 0, sizeof(cmd));
 875         cmd.req.cmd = QLCNIC_CDRP_CMD_SET_PORTMIRRORING;
 876         cmd.req.arg1 = arg1;
 877         qlcnic_issue_cmd(adapter, &cmd);
 878         err = cmd.rsp.cmd;
 879
 880         if (err != QLCNIC_RCODE_SUCCESS) {
 881                 dev_err(&adapter->pdev->dev,
 882                         "Failed to configure port mirroring%d on eswitch:%d\n",
 883                         pci_func, id);
 884         } else {
 885                 dev_info(&adapter->pdev->dev,
 886                         "Configured eSwitch %d for port mirroring:%d\n",
 887                         id, pci_func);
 888         }
 889
 890         return err;
 891 }
 892
 893 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
 894                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
 895
 896         size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
 897         struct qlcnic_esw_stats_le *stats;
 898         dma_addr_t stats_dma_t;
 899         void *stats_addr;
 900         u32 arg1;
 901         struct qlcnic_cmd_args cmd;
 902         int err;
 903
 904         if (esw_stats == NULL)
 905                 return -ENOMEM;
 906
 907         if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
 908             (func != adapter->ahw->pci_func)) {
 909                 dev_err(&adapter->pdev->dev,
 910                         "Not privilege to query stats for func=%d", func);
 911                 return -EIO;
 912         }
 913
 914         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
 915                         &stats_dma_t, GFP_KERNEL);
 916         if (!stats_addr) {
 917                 dev_err(&adapter->pdev->dev, "Unable to allocate memory\n");
 918                 return -ENOMEM;
 919         }
 920         memset(stats_addr, 0, stats_size);
 921
 922         arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
 923         arg1 |= rx_tx << 15 | stats_size << 16;
 924
 925         memset(&cmd, 0, sizeof(cmd));
 926         cmd.req.cmd = QLCNIC_CDRP_CMD_GET_ESWITCH_STATS;
 927         cmd.req.arg1 = arg1;
 928         cmd.req.arg2 = MSD(stats_dma_t);
 929         cmd.req.arg3 = LSD(stats_dma_t);
 930         qlcnic_issue_cmd(adapter, &cmd);
 931         err = cmd.rsp.cmd;
 932
 933         if (!err) {
 934                 stats = stats_addr;
 935                 esw_stats->context_id = le16_to_cpu(stats->context_id);
 936                 esw_stats->version = le16_to_cpu(stats->version);
 937                 esw_stats->size = le16_to_cpu(stats->size);
 938                 esw_stats->multicast_frames =
 939                                 le64_to_cpu(stats->multicast_frames);
 940                 esw_stats->broadcast_frames =
 941                                 le64_to_cpu(stats->broadcast_frames);
 942                 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
 943                 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
 944                 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
 945                 esw_stats->errors = le64_to_cpu(stats->errors);
 946                 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
 947         }
 948
 949         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
 950                 stats_dma_t);
 951         return err;
 952 }
 953
 954 /* This routine will retrieve the MAC statistics from firmware */
 955 int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
 956                 struct qlcnic_mac_statistics *mac_stats)
 957 {
 958         struct qlcnic_mac_statistics_le *stats;
 959         struct qlcnic_cmd_args cmd;
 960         size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
 961         dma_addr_t stats_dma_t;
 962         void *stats_addr;
 963         int err;
 964
 965         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
 966                         &stats_dma_t, GFP_KERNEL);
 967         if (!stats_addr) {
 968                 dev_err(&adapter->pdev->dev,
 969                         "%s: Unable to allocate memory.\n", __func__);
 970                 return -ENOMEM;
 971         }
 972         memset(stats_addr, 0, stats_size);
 973         memset(&cmd, 0, sizeof(cmd));
 974         cmd.req.cmd = QLCNIC_CDRP_CMD_GET_MAC_STATS;
 975         cmd.req.arg1 = stats_size << 16;
 976         cmd.req.arg2 = MSD(stats_dma_t);
 977         cmd.req.arg3 = LSD(stats_dma_t);
 978
 979         qlcnic_issue_cmd(adapter, &cmd);
 980         err = cmd.rsp.cmd;
 981
 982         if (!err) {
 983                 stats = stats_addr;
 984                 mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
 985                 mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
 986                 mac_stats->mac_tx_mcast_pkts =
 987                                         le64_to_cpu(stats->mac_tx_mcast_pkts);
 988                 mac_stats->mac_tx_bcast_pkts =
 989                                         le64_to_cpu(stats->mac_tx_bcast_pkts);
 990                 mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
 991                 mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
 992                 mac_stats->mac_rx_mcast_pkts =
 993                                         le64_to_cpu(stats->mac_rx_mcast_pkts);
 994                 mac_stats->mac_rx_length_error =
 995                                 le64_to_cpu(stats->mac_rx_length_error);
 996                 mac_stats->mac_rx_length_small =
 997                                 le64_to_cpu(stats->mac_rx_length_small);
 998                 mac_stats->mac_rx_length_large =
 999                                 le64_to_cpu(stats->mac_rx_length_large);
1000                 mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
1001                 mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
1002                 mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
1003         }
1004
1005         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1006                 stats_dma_t);
1007         return err;
1008 }
1009
1010 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
1011                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1012
1013         struct __qlcnic_esw_statistics port_stats;
1014         u8 i;
1015         int ret = -EIO;
1016
1017         if (esw_stats == NULL)
1018                 return -ENOMEM;
1019         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1020                 return -EIO;
1021         if (adapter->npars == NULL)
1022                 return -EIO;
1023
1024         memset(esw_stats, 0, sizeof(u64));
1025         esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
1026         esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
1027         esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
1028         esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
1029         esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
1030         esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
1031         esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
1032         esw_stats->context_id = eswitch;
1033
1034         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1035                 if (adapter->npars[i].phy_port != eswitch)
1036                         continue;
1037
1038                 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
1039                 if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
1040                                           rx_tx, &port_stats))
1041                         continue;
1042
1043                 esw_stats->size = port_stats.size;
1044                 esw_stats->version = port_stats.version;
1045                 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
1046                                                 port_stats.unicast_frames);
1047                 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
1048                                                 port_stats.multicast_frames);
1049                 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
1050                                                 port_stats.broadcast_frames);
1051                 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
1052                                                 port_stats.dropped_frames);
1053                 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
1054                                                 port_stats.errors);
1055                 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
1056                                                 port_stats.local_frames);
1057                 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
1058                                                 port_stats.numbytes);
1059                 ret = 0;
1060         }
1061         return ret;
1062 }
1063
1064 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
1065                 const u8 port, const u8 rx_tx)
1066 {
1067
1068         u32 arg1;
1069         struct qlcnic_cmd_args cmd;
1070
1071         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1072                 return -EIO;
1073
1074         if (func_esw == QLCNIC_STATS_PORT) {
1075                 if (port >= QLCNIC_MAX_PCI_FUNC)
1076                         goto err_ret;
1077         } else if (func_esw == QLCNIC_STATS_ESWITCH) {
1078                 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
1079                         goto err_ret;
1080         } else {
1081                 goto err_ret;
1082         }
1083
1084         if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
1085                 goto err_ret;
1086
1087         arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
1088         arg1 |= BIT_14 | rx_tx << 15;
1089
1090         memset(&cmd, 0, sizeof(cmd));
1091         cmd.req.cmd = QLCNIC_CDRP_CMD_GET_ESWITCH_STATS;
1092         cmd.req.arg1 = arg1;
1093         qlcnic_issue_cmd(adapter, &cmd);
1094         return cmd.rsp.cmd;
1095
1096 err_ret:
1097         dev_err(&adapter->pdev->dev, "Invalid argument func_esw=%d port=%d"
1098                 "rx_ctx=%d\n", func_esw, port, rx_tx);
1099         return -EIO;
1100 }
1101
1102 static int
1103 __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1104                                         u32 *arg1, u32 *arg2)
1105 {
1106         int err = -EIO;
1107         struct qlcnic_cmd_args cmd;
1108         u8 pci_func;
1109         pci_func = (*arg1 >> 8);
1110
1111         cmd.req.cmd = QLCNIC_CDRP_CMD_GET_ESWITCH_PORT_CONFIG;
1112         cmd.req.arg1 = *arg1;
1113         cmd.rsp.arg1 = cmd.rsp.arg2 = 1;
1114         qlcnic_issue_cmd(adapter, &cmd);
1115         *arg1 = cmd.rsp.arg1;
1116         *arg2 = cmd.rsp.arg2;
1117         err = cmd.rsp.cmd;
1118
1119         if (err == QLCNIC_RCODE_SUCCESS) {
1120                 dev_info(&adapter->pdev->dev,
1121                         "eSwitch port config for pci func %d\n", pci_func);
1122         } else {
1123                 dev_err(&adapter->pdev->dev,
1124                         "Failed to get eswitch port config for pci func %d\n",
1125                                                                 pci_func);
1126         }
1127         return err;
1128 }
1129 /* Configure eSwitch port
1130 op_mode = 0 for setting default port behavior
1131 op_mode = 1 for setting  vlan id
1132 op_mode = 2 for deleting vlan id
1133 op_type = 0 for vlan_id
1134 op_type = 1 for port vlan_id
1135 */
1136 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1137                 struct qlcnic_esw_func_cfg *esw_cfg)
1138 {
1139         int err = -EIO, index;
1140         u32 arg1, arg2 = 0;
1141         struct qlcnic_cmd_args cmd;
1142         u8 pci_func;
1143
1144         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1145                 return err;
1146         pci_func = esw_cfg->pci_func;
1147         index = qlcnic_is_valid_nic_func(adapter, pci_func);
1148         if (index < 0)
1149                 return err;
1150         arg1 = (adapter->npars[index].phy_port & BIT_0);
1151         arg1 |= (pci_func << 8);
1152
1153         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1154                 return err;
1155         arg1 &= ~(0x0ff << 8);
1156         arg1 |= (pci_func << 8);
1157         arg1 &= ~(BIT_2 | BIT_3);
1158         switch (esw_cfg->op_mode) {
1159         case QLCNIC_PORT_DEFAULTS:
1160                 arg1 |= (BIT_4 | BIT_6 | BIT_7);
1161                 arg2 |= (BIT_0 | BIT_1);
1162                 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1163                         arg2 |= (BIT_2 | BIT_3);
1164                 if (!(esw_cfg->discard_tagged))
1165                         arg1 &= ~BIT_4;
1166                 if (!(esw_cfg->promisc_mode))
1167                         arg1 &= ~BIT_6;
1168                 if (!(esw_cfg->mac_override))
1169                         arg1 &= ~BIT_7;
1170                 if (!(esw_cfg->mac_anti_spoof))
1171                         arg2 &= ~BIT_0;
1172                 if (!(esw_cfg->offload_flags & BIT_0))
1173                         arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1174                 if (!(esw_cfg->offload_flags & BIT_1))
1175                         arg2 &= ~BIT_2;
1176                 if (!(esw_cfg->offload_flags & BIT_2))
1177                         arg2 &= ~BIT_3;
1178                 break;
1179         case QLCNIC_ADD_VLAN:
1180                         arg1 |= (BIT_2 | BIT_5);
1181                         arg1 |= (esw_cfg->vlan_id << 16);
1182                         break;
1183         case QLCNIC_DEL_VLAN:
1184                         arg1 |= (BIT_3 | BIT_5);
1185                         arg1 &= ~(0x0ffff << 16);
1186                         break;
1187         default:
1188                 return err;
1189         }
1190
1191         memset(&cmd, 0, sizeof(cmd));
1192         cmd.req.cmd = QLCNIC_CDRP_CMD_CONFIGURE_ESWITCH;
1193         cmd.req.arg1 = arg1;
1194         cmd.req.arg2 = arg2;
1195         qlcnic_issue_cmd(adapter, &cmd);
1196
1197         err = cmd.rsp.cmd;
1198         if (err != QLCNIC_RCODE_SUCCESS) {
1199                 dev_err(&adapter->pdev->dev,
1200                         "Failed to configure eswitch pci func %d\n", pci_func);
1201         } else {
1202                 dev_info(&adapter->pdev->dev,
1203                         "Configured eSwitch for pci func %d\n", pci_func);
1204         }
1205
1206         return err;
1207 }
1208
1209 int
1210 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1211                         struct qlcnic_esw_func_cfg *esw_cfg)
1212 {
1213         u32 arg1, arg2;
1214         int index;
1215         u8 phy_port;
1216
1217         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
1218                 index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
1219                 if (index < 0)
1220                         return -EIO;
1221                 phy_port = adapter->npars[index].phy_port;
1222         } else {
1223                 phy_port = adapter->ahw->physical_port;
1224         }
1225         arg1 = phy_port;
1226         arg1 |= (esw_cfg->pci_func << 8);
1227         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1228                 return -EIO;
1229
1230         esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1231         esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1232         esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1233         esw_cfg->mac_override = !!(arg1 & BIT_7);
1234         esw_cfg->vlan_id = LSW(arg1 >> 16);
1235         esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1236         esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1237
1238         return 0;
1239 }