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

   1 /*
   2  * QLogic qlcnic NIC Driver
   3  * Copyright (c)  2009-2010 QLogic Corporation
   4  *
   5  * See LICENSE.qlcnic for copyright and licensing details.
   6  */
   7
   8 #include "qlcnic.h"
   9
  10 static const struct qlcnic_mailbox_metadata qlcnic_mbx_tbl[] = {
  11         {QLCNIC_CMD_CREATE_RX_CTX, 4, 1},
  12         {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1},
  13         {QLCNIC_CMD_CREATE_TX_CTX, 4, 1},
  14         {QLCNIC_CMD_DESTROY_TX_CTX, 2, 1},
  15         {QLCNIC_CMD_INTRPT_TEST, 4, 1},
  16         {QLCNIC_CMD_SET_MTU, 4, 1},
  17         {QLCNIC_CMD_READ_PHY, 4, 2},
  18         {QLCNIC_CMD_WRITE_PHY, 5, 1},
  19         {QLCNIC_CMD_READ_HW_REG, 4, 1},
  20         {QLCNIC_CMD_GET_FLOW_CTL, 4, 2},
  21         {QLCNIC_CMD_SET_FLOW_CTL, 4, 1},
  22         {QLCNIC_CMD_READ_MAX_MTU, 4, 2},
  23         {QLCNIC_CMD_READ_MAX_LRO, 4, 2},
  24         {QLCNIC_CMD_MAC_ADDRESS, 4, 3},
  25         {QLCNIC_CMD_GET_PCI_INFO, 4, 1},
  26         {QLCNIC_CMD_GET_NIC_INFO, 4, 1},
  27         {QLCNIC_CMD_SET_NIC_INFO, 4, 1},
  28         {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3},
  29         {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1},
  30         {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3},
  31         {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1},
  32         {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1},
  33         {QLCNIC_CMD_GET_MAC_STATS, 4, 1},
  34         {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3},
  35         {QLCNIC_CMD_GET_ESWITCH_STATS, 5, 1},
  36         {QLCNIC_CMD_CONFIG_PORT, 4, 1},
  37         {QLCNIC_CMD_TEMP_SIZE, 4, 4},
  38         {QLCNIC_CMD_GET_TEMP_HDR, 4, 1},
  39         {QLCNIC_CMD_SET_DRV_VER, 4, 1},
  40 };
  41
  42 static inline u32 qlcnic_get_cmd_signature(struct qlcnic_hardware_context *ahw)
  43 {
  44         return (ahw->pci_func & 0xff) | ((ahw->fw_hal_version & 0xff) << 8) |
  45                (0xcafe << 16);
  46 }
  47
  48 /* Allocate mailbox registers */
  49 int qlcnic_82xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
  50                                struct qlcnic_adapter *adapter, u32 type)
  51 {
  52         int i, size;
  53         const struct qlcnic_mailbox_metadata *mbx_tbl;
  54
  55         mbx_tbl = qlcnic_mbx_tbl;
  56         size = ARRAY_SIZE(qlcnic_mbx_tbl);
  57         for (i = 0; i < size; i++) {
  58                 if (type == mbx_tbl[i].cmd) {
  59                         mbx->req.num = mbx_tbl[i].in_args;
  60                         mbx->rsp.num = mbx_tbl[i].out_args;
  61                         mbx->req.arg = kcalloc(mbx->req.num,
  62                                                sizeof(u32), GFP_ATOMIC);
  63                         if (!mbx->req.arg)
  64                                 return -ENOMEM;
  65                         mbx->rsp.arg = kcalloc(mbx->rsp.num,
  66                                                sizeof(u32), GFP_ATOMIC);
  67                         if (!mbx->rsp.arg) {
  68                                 kfree(mbx->req.arg);
  69                                 mbx->req.arg = NULL;
  70                                 return -ENOMEM;
  71                         }
  72                         memset(mbx->req.arg, 0, sizeof(u32) * mbx->req.num);
  73                         memset(mbx->rsp.arg, 0, sizeof(u32) * mbx->rsp.num);
  74                         mbx->req.arg[0] = type;
  75                         break;
  76                 }
  77         }
  78         return 0;
  79 }
  80
  81 /* Free up mailbox registers */
  82 void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd)
  83 {
  84         kfree(cmd->req.arg);
  85         cmd->req.arg = NULL;
  86         kfree(cmd->rsp.arg);
  87         cmd->rsp.arg = NULL;
  88 }
  89
  90 static int qlcnic_is_valid_nic_func(struct qlcnic_adapter *adapter, u8 pci_func)
  91 {
  92         int i;
  93
  94         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
  95                 if (adapter->npars[i].pci_func == pci_func)
  96                         return i;
  97         }
  98
  99         return -1;
 100 }
 101
 102 static u32
 103 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
 104 {
 105         u32 rsp;
 106         int timeout = 0;
 107
 108         do {
 109                 /* give atleast 1ms for firmware to respond */
 110                 mdelay(1);
 111
 112                 if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
 113                         return QLCNIC_CDRP_RSP_TIMEOUT;
 114
 115                 rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET);
 116         } while (!QLCNIC_CDRP_IS_RSP(rsp));
 117
 118         return rsp;
 119 }
 120
 121 int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter,
 122                           struct qlcnic_cmd_args *cmd)
 123 {
 124         int i;
 125         u32 rsp;
 126         u32 signature;
 127         struct pci_dev *pdev = adapter->pdev;
 128         struct qlcnic_hardware_context *ahw = adapter->ahw;
 129
 130         signature = qlcnic_get_cmd_signature(ahw);
 131
 132         /* Acquire semaphore before accessing CRB */
 133         if (qlcnic_api_lock(adapter)) {
 134                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 135                 return cmd->rsp.arg[0];
 136         }
 137
 138         QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
 139         for (i = 1; i < QLCNIC_CDRP_MAX_ARGS; i++)
 140                 QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]);
 141         QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
 142                 QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0]));
 143         rsp = qlcnic_poll_rsp(adapter);
 144
 145         if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
 146                 dev_err(&pdev->dev, "card response timeout.\n");
 147                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 148         } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
 149                 cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1));
 150                 dev_err(&pdev->dev, "failed card response code:0x%x\n",
 151                         cmd->rsp.arg[0]);
 152         } else if (rsp == QLCNIC_CDRP_RSP_OK)
 153                 cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS;
 154
 155         for (i = 1; i < cmd->rsp.num; i++)
 156                 cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i));
 157
 158         /* Release semaphore */
 159         qlcnic_api_unlock(adapter);
 160         return cmd->rsp.arg[0];
 161 }
 162
 163 int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter)
 164 {
 165         int err = 0;
 166         void *tmp_addr;
 167         struct qlcnic_cmd_args cmd;
 168         dma_addr_t tmp_addr_t = 0;
 169
 170         tmp_addr = dma_alloc_coherent(&adapter->pdev->dev, 0x1000,
 171                                       &tmp_addr_t, GFP_KERNEL);
 172         if (!tmp_addr) {
 173                 dev_err(&adapter->pdev->dev,
 174                         "Can't get memory for FW dump template\n");
 175                 return -ENOMEM;
 176         }
 177
 178         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_TEMP_HDR)) {
 179                 err = -ENOMEM;
 180                 goto free_mem;
 181         }
 182
 183         cmd.req.arg[1] = LSD(tmp_addr_t);
 184         cmd.req.arg[2] = MSD(tmp_addr_t);
 185         cmd.req.arg[3] = 0x1000;
 186         err = qlcnic_issue_cmd(adapter, &cmd);
 187
 188
 189         qlcnic_free_mbx_args(&cmd);
 190
 191 free_mem:
 192         dma_free_coherent(&adapter->pdev->dev, 0x1000, tmp_addr, tmp_addr_t);
 193
 194         return err;
 195 }
 196
 197 int
 198 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
 199 {
 200         int err = 0;
 201         struct qlcnic_cmd_args cmd;
 202         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 203
 204         if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE)
 205                 return err;
 206         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU);
 207         cmd.req.arg[1] = recv_ctx->context_id;
 208         cmd.req.arg[2] = mtu;
 209
 210         err = qlcnic_issue_cmd(adapter, &cmd);
 211         if (err) {
 212                 dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
 213                 err = -EIO;
 214         }
 215         qlcnic_free_mbx_args(&cmd);
 216         return err;
 217 }
 218
 219 int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 220 {
 221         void *addr;
 222         struct qlcnic_hostrq_rx_ctx *prq;
 223         struct qlcnic_cardrsp_rx_ctx *prsp;
 224         struct qlcnic_hostrq_rds_ring *prq_rds;
 225         struct qlcnic_hostrq_sds_ring *prq_sds;
 226         struct qlcnic_cardrsp_rds_ring *prsp_rds;
 227         struct qlcnic_cardrsp_sds_ring *prsp_sds;
 228         struct qlcnic_host_rds_ring *rds_ring;
 229         struct qlcnic_host_sds_ring *sds_ring;
 230         struct qlcnic_cmd_args cmd;
 231
 232         dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
 233         u64 phys_addr;
 234
 235         u8 i, nrds_rings, nsds_rings;
 236         u16 temp_u16;
 237         size_t rq_size, rsp_size;
 238         u32 cap, reg, val, reg2;
 239         int err;
 240
 241         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 242
 243         nrds_rings = adapter->max_rds_rings;
 244         nsds_rings = adapter->max_sds_rings;
 245
 246         rq_size =
 247                 SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
 248                                                 nsds_rings);
 249         rsp_size =
 250                 SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
 251                                                 nsds_rings);
 252
 253         addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 254                         &hostrq_phys_addr, GFP_KERNEL);
 255         if (addr == NULL)
 256                 return -ENOMEM;
 257         prq = addr;
 258
 259         addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 260                         &cardrsp_phys_addr, GFP_KERNEL);
 261         if (addr == NULL) {
 262                 err = -ENOMEM;
 263                 goto out_free_rq;
 264         }
 265         prsp = addr;
 266
 267         prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
 268
 269         cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
 270                                                 | QLCNIC_CAP0_VALIDOFF);
 271         cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
 272
 273         temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler);
 274         prq->valid_field_offset = cpu_to_le16(temp_u16);
 275         prq->txrx_sds_binding = nsds_rings - 1;
 276
 277         prq->capabilities[0] = cpu_to_le32(cap);
 278         prq->host_int_crb_mode =
 279                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 280         prq->host_rds_crb_mode =
 281                 cpu_to_le32(QLCNIC_HOST_RDS_CRB_MODE_UNIQUE);
 282
 283         prq->num_rds_rings = cpu_to_le16(nrds_rings);
 284         prq->num_sds_rings = cpu_to_le16(nsds_rings);
 285         prq->rds_ring_offset = 0;
 286
 287         val = le32_to_cpu(prq->rds_ring_offset) +
 288                 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
 289         prq->sds_ring_offset = cpu_to_le32(val);
 290
 291         prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
 292                         le32_to_cpu(prq->rds_ring_offset));
 293
 294         for (i = 0; i < nrds_rings; i++) {
 295
 296                 rds_ring = &recv_ctx->rds_rings[i];
 297                 rds_ring->producer = 0;
 298
 299                 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
 300                 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
 301                 prq_rds[i].ring_kind = cpu_to_le32(i);
 302                 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
 303         }
 304
 305         prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
 306                         le32_to_cpu(prq->sds_ring_offset));
 307
 308         for (i = 0; i < nsds_rings; i++) {
 309
 310                 sds_ring = &recv_ctx->sds_rings[i];
 311                 sds_ring->consumer = 0;
 312                 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
 313
 314                 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
 315                 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
 316                 prq_sds[i].msi_index = cpu_to_le16(i);
 317         }
 318
 319         phys_addr = hostrq_phys_addr;
 320         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX);
 321         cmd.req.arg[1] = MSD(phys_addr);
 322         cmd.req.arg[2] = LSD(phys_addr);
 323         cmd.req.arg[3] = rq_size;
 324         err = qlcnic_issue_cmd(adapter, &cmd);
 325         if (err) {
 326                 dev_err(&adapter->pdev->dev,
 327                         "Failed to create rx ctx in firmware%d\n", err);
 328                 goto out_free_rsp;
 329         }
 330
 331         prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
 332                          &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
 333
 334         for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
 335                 rds_ring = &recv_ctx->rds_rings[i];
 336
 337                 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
 338                 rds_ring->crb_rcv_producer = adapter->ahw->pci_base0 + reg;
 339         }
 340
 341         prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
 342                         &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
 343
 344         for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
 345                 sds_ring = &recv_ctx->sds_rings[i];
 346
 347                 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
 348                 reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
 349
 350                 sds_ring->crb_sts_consumer = adapter->ahw->pci_base0 + reg;
 351                 sds_ring->crb_intr_mask = adapter->ahw->pci_base0 + reg2;
 352         }
 353
 354         recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
 355         recv_ctx->context_id = le16_to_cpu(prsp->context_id);
 356         recv_ctx->virt_port = prsp->virt_port;
 357
 358 out_free_rsp:
 359         dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
 360                 cardrsp_phys_addr);
 361         qlcnic_free_mbx_args(&cmd);
 362 out_free_rq:
 363         dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
 364         return err;
 365 }
 366
 367 static void
 368 qlcnic_fw_cmd_destroy_rx_ctx(struct qlcnic_adapter *adapter)
 369 {
 370         int err;
 371         struct qlcnic_cmd_args cmd;
 372         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 373
 374         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX);
 375         cmd.req.arg[1] = recv_ctx->context_id;
 376         err = qlcnic_issue_cmd(adapter, &cmd);
 377         if (err)
 378                 dev_err(&adapter->pdev->dev,
 379                         "Failed to destroy rx ctx in firmware\n");
 380
 381         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 382         qlcnic_free_mbx_args(&cmd);
 383 }
 384
 385 int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
 386                                      struct qlcnic_host_tx_ring *tx_ring,
 387                                      int ring)
 388 {
 389         struct qlcnic_hostrq_tx_ctx     *prq;
 390         struct qlcnic_hostrq_cds_ring   *prq_cds;
 391         struct qlcnic_cardrsp_tx_ctx    *prsp;
 392         void    *rq_addr, *rsp_addr;
 393         size_t  rq_size, rsp_size;
 394         u32     temp;
 395         struct qlcnic_cmd_args cmd;
 396         int     err;
 397         u64     phys_addr;
 398         dma_addr_t      rq_phys_addr, rsp_phys_addr;
 399
 400         /* reset host resources */
 401         tx_ring->producer = 0;
 402         tx_ring->sw_consumer = 0;
 403         *(tx_ring->hw_consumer) = 0;
 404
 405         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
 406         rq_addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 407                         &rq_phys_addr, GFP_KERNEL);
 408         if (!rq_addr)
 409                 return -ENOMEM;
 410
 411         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
 412         rsp_addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 413                         &rsp_phys_addr, GFP_KERNEL);
 414         if (!rsp_addr) {
 415                 err = -ENOMEM;
 416                 goto out_free_rq;
 417         }
 418
 419         memset(rq_addr, 0, rq_size);
 420         prq = rq_addr;
 421
 422         memset(rsp_addr, 0, rsp_size);
 423         prsp = rsp_addr;
 424
 425         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 426
 427         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 428                                         QLCNIC_CAP0_LSO);
 429         prq->capabilities[0] = cpu_to_le32(temp);
 430
 431         prq->host_int_crb_mode =
 432                 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
 433         prq->msi_index = 0;
 434
 435         prq->interrupt_ctl = 0;
 436         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 437
 438         prq_cds = &prq->cds_ring;
 439
 440         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 441         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 442
 443         phys_addr = rq_phys_addr;
 444
 445         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
 446         cmd.req.arg[1] = MSD(phys_addr);
 447         cmd.req.arg[2] = LSD(phys_addr);
 448         cmd.req.arg[3] = rq_size;
 449         err = qlcnic_issue_cmd(adapter, &cmd);
 450
 451         if (err == QLCNIC_RCODE_SUCCESS) {
 452                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 453                 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
 454                 tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
 455         } else {
 456                 dev_err(&adapter->pdev->dev,
 457                         "Failed to create tx ctx in firmware%d\n", err);
 458                 err = -EIO;
 459         }
 460
 461         dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
 462                           rsp_phys_addr);
 463
 464 out_free_rq:
 465         dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
 466         qlcnic_free_mbx_args(&cmd);
 467
 468         return err;
 469 }
 470
 471 static void
 472 qlcnic_fw_cmd_destroy_tx_ctx(struct qlcnic_adapter *adapter,
 473                              struct qlcnic_host_tx_ring *tx_ring)
 474 {
 475         struct qlcnic_cmd_args cmd;
 476
 477         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
 478         cmd.req.arg[1] = tx_ring->ctx_id;
 479         if (qlcnic_issue_cmd(adapter, &cmd))
 480                 dev_err(&adapter->pdev->dev,
 481                         "Failed to destroy tx ctx in firmware\n");
 482         qlcnic_free_mbx_args(&cmd);
 483 }
 484
 485 int
 486 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
 487 {
 488         int err;
 489         struct qlcnic_cmd_args cmd;
 490
 491         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
 492         cmd.req.arg[1] = config;
 493         err = qlcnic_issue_cmd(adapter, &cmd);
 494         qlcnic_free_mbx_args(&cmd);
 495         return err;
 496 }
 497
 498 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 499 {
 500         void *addr;
 501         int err;
 502         int ring;
 503         struct qlcnic_recv_context *recv_ctx;
 504         struct qlcnic_host_rds_ring *rds_ring;
 505         struct qlcnic_host_sds_ring *sds_ring;
 506         struct qlcnic_host_tx_ring *tx_ring;
 507
 508         struct pci_dev *pdev = adapter->pdev;
 509
 510         recv_ctx = adapter->recv_ctx;
 511         tx_ring = adapter->tx_ring;
 512
 513         tx_ring->hw_consumer = (__le32 *) dma_alloc_coherent(&pdev->dev,
 514                 sizeof(u32), &tx_ring->hw_cons_phys_addr, GFP_KERNEL);
 515         if (tx_ring->hw_consumer == NULL) {
 516                 dev_err(&pdev->dev, "failed to allocate tx consumer\n");
 517                 return -ENOMEM;
 518         }
 519
 520         /* cmd desc ring */
 521         addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
 522                         &tx_ring->phys_addr, GFP_KERNEL);
 523
 524         if (addr == NULL) {
 525                 dev_err(&pdev->dev, "failed to allocate tx desc ring\n");
 526                 err = -ENOMEM;
 527                 goto err_out_free;
 528         }
 529
 530         tx_ring->desc_head = addr;
 531
 532         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 533                 rds_ring = &recv_ctx->rds_rings[ring];
 534                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 535                                 RCV_DESC_RINGSIZE(rds_ring),
 536                                 &rds_ring->phys_addr, GFP_KERNEL);
 537                 if (addr == NULL) {
 538                         dev_err(&pdev->dev,
 539                                 "failed to allocate rds ring [%d]\n", ring);
 540                         err = -ENOMEM;
 541                         goto err_out_free;
 542                 }
 543                 rds_ring->desc_head = addr;
 544
 545         }
 546
 547         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 548                 sds_ring = &recv_ctx->sds_rings[ring];
 549
 550                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 551                                 STATUS_DESC_RINGSIZE(sds_ring),
 552                                 &sds_ring->phys_addr, GFP_KERNEL);
 553                 if (addr == NULL) {
 554                         dev_err(&pdev->dev,
 555                                 "failed to allocate sds ring [%d]\n", ring);
 556                         err = -ENOMEM;
 557                         goto err_out_free;
 558                 }
 559                 sds_ring->desc_head = addr;
 560         }
 561
 562         return 0;
 563
 564 err_out_free:
 565         qlcnic_free_hw_resources(adapter);
 566         return err;
 567 }
 568
 569 int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev)
 570 {
 571         int i, err, ring;
 572
 573         if (dev->flags & QLCNIC_NEED_FLR) {
 574                 pci_reset_function(dev->pdev);
 575                 dev->flags &= ~QLCNIC_NEED_FLR;
 576         }
 577
 578         err = qlcnic_fw_cmd_create_rx_ctx(dev);
 579         if (err)
 580                 return err;
 581
 582         for (ring = 0; ring < dev->max_drv_tx_rings; ring++) {
 583                 err = qlcnic_fw_cmd_create_tx_ctx(dev,
 584                                                   &dev->tx_ring[ring],
 585                                                   ring);
 586                 if (err) {
 587                         qlcnic_fw_cmd_destroy_rx_ctx(dev);
 588                         if (ring == 0)
 589                                 return err;
 590
 591                         for (i = 0; i < ring; i++)
 592                                 qlcnic_fw_cmd_destroy_tx_ctx(dev,
 593                                                              &dev->tx_ring[i]);
 594
 595                         return err;
 596                 }
 597         }
 598
 599         set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
 600         return 0;
 601 }
 602
 603 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 604 {
 605         int ring;
 606
 607         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 608                 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
 609                 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++)
 610                         qlcnic_fw_cmd_destroy_tx_ctx(adapter,
 611                                                      &adapter->tx_ring[ring]);
 612                 /* Allow dma queues to drain after context reset */
 613                 mdelay(20);
 614         }
 615 }
 616
 617 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 618 {
 619         struct qlcnic_recv_context *recv_ctx;
 620         struct qlcnic_host_rds_ring *rds_ring;
 621         struct qlcnic_host_sds_ring *sds_ring;
 622         struct qlcnic_host_tx_ring *tx_ring;
 623         int ring;
 624
 625         recv_ctx = adapter->recv_ctx;
 626
 627         tx_ring = adapter->tx_ring;
 628         if (tx_ring->hw_consumer != NULL) {
 629                 dma_free_coherent(&adapter->pdev->dev,
 630                                 sizeof(u32),
 631                                 tx_ring->hw_consumer,
 632                                 tx_ring->hw_cons_phys_addr);
 633                 tx_ring->hw_consumer = NULL;
 634         }
 635
 636         if (tx_ring->desc_head != NULL) {
 637                 dma_free_coherent(&adapter->pdev->dev,
 638                                 TX_DESC_RINGSIZE(tx_ring),
 639                                 tx_ring->desc_head, tx_ring->phys_addr);
 640                 tx_ring->desc_head = NULL;
 641         }
 642
 643         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 644                 rds_ring = &recv_ctx->rds_rings[ring];
 645
 646                 if (rds_ring->desc_head != NULL) {
 647                         dma_free_coherent(&adapter->pdev->dev,
 648                                         RCV_DESC_RINGSIZE(rds_ring),
 649                                         rds_ring->desc_head,
 650                                         rds_ring->phys_addr);
 651                         rds_ring->desc_head = NULL;
 652                 }
 653         }
 654
 655         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 656                 sds_ring = &recv_ctx->sds_rings[ring];
 657
 658                 if (sds_ring->desc_head != NULL) {
 659                         dma_free_coherent(&adapter->pdev->dev,
 660                                 STATUS_DESC_RINGSIZE(sds_ring),
 661                                 sds_ring->desc_head,
 662                                 sds_ring->phys_addr);
 663                         sds_ring->desc_head = NULL;
 664                 }
 665         }
 666 }
 667
 668
 669 int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
 670 {
 671         int err, i;
 672         struct qlcnic_cmd_args cmd;
 673         u32 mac_low, mac_high;
 674
 675         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
 676         cmd.req.arg[1] = adapter->ahw->pci_func | BIT_8;
 677         err = qlcnic_issue_cmd(adapter, &cmd);
 678
 679         if (err == QLCNIC_RCODE_SUCCESS) {
 680                 mac_low = cmd.rsp.arg[1];
 681                 mac_high = cmd.rsp.arg[2];
 682
 683                 for (i = 0; i < 2; i++)
 684                         mac[i] = (u8) (mac_high >> ((1 - i) * 8));
 685                 for (i = 2; i < 6; i++)
 686                         mac[i] = (u8) (mac_low >> ((5 - i) * 8));
 687         } else {
 688                 dev_err(&adapter->pdev->dev,
 689                         "Failed to get mac address%d\n", err);
 690                 err = -EIO;
 691         }
 692         qlcnic_free_mbx_args(&cmd);
 693         return err;
 694 }
 695
 696 /* Get info of a NIC partition */
 697 int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
 698                              struct qlcnic_info *npar_info, u8 func_id)
 699 {
 700         int     err;
 701         dma_addr_t nic_dma_t;
 702         const struct qlcnic_info_le *nic_info;
 703         void *nic_info_addr;
 704         struct qlcnic_cmd_args cmd;
 705         size_t  nic_size = sizeof(struct qlcnic_info_le);
 706
 707         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 708                                 &nic_dma_t, GFP_KERNEL);
 709         if (!nic_info_addr)
 710                 return -ENOMEM;
 711         memset(nic_info_addr, 0, nic_size);
 712
 713         nic_info = nic_info_addr;
 714
 715         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
 716         cmd.req.arg[1] = MSD(nic_dma_t);
 717         cmd.req.arg[2] = LSD(nic_dma_t);
 718         cmd.req.arg[3] = (func_id << 16 | nic_size);
 719         err = qlcnic_issue_cmd(adapter, &cmd);
 720         if (err != QLCNIC_RCODE_SUCCESS) {
 721                 dev_err(&adapter->pdev->dev,
 722                         "Failed to get nic info%d\n", err);
 723                 err = -EIO;
 724         } else {
 725                 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
 726                 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
 727                 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 728                 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 729                 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
 730                 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
 731                 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 732                 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 733                 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
 734                 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 735         }
 736
 737         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 738                           nic_dma_t);
 739         qlcnic_free_mbx_args(&cmd);
 740
 741         return err;
 742 }
 743
 744 /* Configure a NIC partition */
 745 int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter,
 746                              struct qlcnic_info *nic)
 747 {
 748         int err = -EIO;
 749         dma_addr_t nic_dma_t;
 750         void *nic_info_addr;
 751         struct qlcnic_cmd_args cmd;
 752         struct qlcnic_info_le *nic_info;
 753         size_t nic_size = sizeof(struct qlcnic_info_le);
 754
 755         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
 756                 return err;
 757
 758         nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 759                         &nic_dma_t, GFP_KERNEL);
 760         if (!nic_info_addr)
 761                 return -ENOMEM;
 762
 763         memset(nic_info_addr, 0, nic_size);
 764         nic_info = nic_info_addr;
 765
 766         nic_info->pci_func = cpu_to_le16(nic->pci_func);
 767         nic_info->op_mode = cpu_to_le16(nic->op_mode);
 768         nic_info->phys_port = cpu_to_le16(nic->phys_port);
 769         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 770         nic_info->capabilities = cpu_to_le32(nic->capabilities);
 771         nic_info->max_mac_filters = nic->max_mac_filters;
 772         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 773         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 774         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 775         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 776
 777         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
 778         cmd.req.arg[1] = MSD(nic_dma_t);
 779         cmd.req.arg[2] = LSD(nic_dma_t);
 780         cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size);
 781         err = qlcnic_issue_cmd(adapter, &cmd);
 782
 783         if (err != QLCNIC_RCODE_SUCCESS) {
 784                 dev_err(&adapter->pdev->dev,
 785                         "Failed to set nic info%d\n", err);
 786                 err = -EIO;
 787         }
 788
 789         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 790                 nic_dma_t);
 791         qlcnic_free_mbx_args(&cmd);
 792
 793         return err;
 794 }
 795
 796 /* Get PCI Info of a partition */
 797 int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter,
 798                              struct qlcnic_pci_info *pci_info)
 799 {
 800         int err = 0, i;
 801         struct qlcnic_cmd_args cmd;
 802         dma_addr_t pci_info_dma_t;
 803         struct qlcnic_pci_info_le *npar;
 804         void *pci_info_addr;
 805         size_t npar_size = sizeof(struct qlcnic_pci_info_le);
 806         size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
 807
 808         pci_info_addr = dma_alloc_coherent(&adapter->pdev->dev, pci_size,
 809                         &pci_info_dma_t, GFP_KERNEL);
 810         if (!pci_info_addr)
 811                 return -ENOMEM;
 812         memset(pci_info_addr, 0, pci_size);
 813
 814         npar = pci_info_addr;
 815         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
 816         cmd.req.arg[1] = MSD(pci_info_dma_t);
 817         cmd.req.arg[2] = LSD(pci_info_dma_t);
 818         cmd.req.arg[3] = pci_size;
 819         err = qlcnic_issue_cmd(adapter, &cmd);
 820
 821         adapter->ahw->act_pci_func = 0;
 822         if (err == QLCNIC_RCODE_SUCCESS) {
 823                 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) {
 824                         pci_info->id = le16_to_cpu(npar->id);
 825                         pci_info->active = le16_to_cpu(npar->active);
 826                         pci_info->type = le16_to_cpu(npar->type);
 827                         if (pci_info->type == QLCNIC_TYPE_NIC)
 828                                 adapter->ahw->act_pci_func++;
 829                         pci_info->default_port =
 830                                 le16_to_cpu(npar->default_port);
 831                         pci_info->tx_min_bw =
 832                                 le16_to_cpu(npar->tx_min_bw);
 833                         pci_info->tx_max_bw =
 834                                 le16_to_cpu(npar->tx_max_bw);
 835                         memcpy(pci_info->mac, npar->mac, ETH_ALEN);
 836                 }
 837         } else {
 838                 dev_err(&adapter->pdev->dev,
 839                         "Failed to get PCI Info%d\n", err);
 840                 err = -EIO;
 841         }
 842
 843         dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
 844                 pci_info_dma_t);
 845         qlcnic_free_mbx_args(&cmd);
 846
 847         return err;
 848 }
 849
 850 /* Configure eSwitch for port mirroring */
 851 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
 852                                 u8 enable_mirroring, u8 pci_func)
 853 {
 854         int err = -EIO;
 855         u32 arg1;
 856         struct qlcnic_cmd_args cmd;
 857
 858         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
 859             !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
 860                 return err;
 861
 862         arg1 = id | (enable_mirroring ? BIT_4 : 0);
 863         arg1 |= pci_func << 8;
 864
 865         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_PORTMIRRORING);
 866         cmd.req.arg[1] = arg1;
 867         err = qlcnic_issue_cmd(adapter, &cmd);
 868
 869         if (err != QLCNIC_RCODE_SUCCESS)
 870                 dev_err(&adapter->pdev->dev,
 871                         "Failed to configure port mirroring%d on eswitch:%d\n",
 872                         pci_func, id);
 873         else
 874                 dev_info(&adapter->pdev->dev,
 875                         "Configured eSwitch %d for port mirroring:%d\n",
 876                         id, pci_func);
 877         qlcnic_free_mbx_args(&cmd);
 878
 879         return err;
 880 }
 881
 882 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
 883                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
 884
 885         size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
 886         struct qlcnic_esw_stats_le *stats;
 887         dma_addr_t stats_dma_t;
 888         void *stats_addr;
 889         u32 arg1;
 890         struct qlcnic_cmd_args cmd;
 891         int err;
 892
 893         if (esw_stats == NULL)
 894                 return -ENOMEM;
 895
 896         if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
 897             (func != adapter->ahw->pci_func)) {
 898                 dev_err(&adapter->pdev->dev,
 899                         "Not privilege to query stats for func=%d", func);
 900                 return -EIO;
 901         }
 902
 903         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
 904                         &stats_dma_t, GFP_KERNEL);
 905         if (!stats_addr) {
 906                 dev_err(&adapter->pdev->dev, "Unable to allocate memory\n");
 907                 return -ENOMEM;
 908         }
 909         memset(stats_addr, 0, stats_size);
 910
 911         arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
 912         arg1 |= rx_tx << 15 | stats_size << 16;
 913
 914         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_ESWITCH_STATS);
 915         cmd.req.arg[1] = arg1;
 916         cmd.req.arg[2] = MSD(stats_dma_t);
 917         cmd.req.arg[3] = LSD(stats_dma_t);
 918         err = qlcnic_issue_cmd(adapter, &cmd);
 919
 920         if (!err) {
 921                 stats = stats_addr;
 922                 esw_stats->context_id = le16_to_cpu(stats->context_id);
 923                 esw_stats->version = le16_to_cpu(stats->version);
 924                 esw_stats->size = le16_to_cpu(stats->size);
 925                 esw_stats->multicast_frames =
 926                                 le64_to_cpu(stats->multicast_frames);
 927                 esw_stats->broadcast_frames =
 928                                 le64_to_cpu(stats->broadcast_frames);
 929                 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
 930                 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
 931                 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
 932                 esw_stats->errors = le64_to_cpu(stats->errors);
 933                 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
 934         }
 935
 936         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
 937                 stats_dma_t);
 938         qlcnic_free_mbx_args(&cmd);
 939
 940         return err;
 941 }
 942
 943 /* This routine will retrieve the MAC statistics from firmware */
 944 int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
 945                 struct qlcnic_mac_statistics *mac_stats)
 946 {
 947         struct qlcnic_mac_statistics_le *stats;
 948         struct qlcnic_cmd_args cmd;
 949         size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
 950         dma_addr_t stats_dma_t;
 951         void *stats_addr;
 952         int err;
 953
 954         if (mac_stats == NULL)
 955                 return -ENOMEM;
 956
 957         stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
 958                         &stats_dma_t, GFP_KERNEL);
 959         if (!stats_addr) {
 960                 dev_err(&adapter->pdev->dev,
 961                         "%s: Unable to allocate memory.\n", __func__);
 962                 return -ENOMEM;
 963         }
 964         memset(stats_addr, 0, stats_size);
 965         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS);
 966         cmd.req.arg[1] = stats_size << 16;
 967         cmd.req.arg[2] = MSD(stats_dma_t);
 968         cmd.req.arg[3] = LSD(stats_dma_t);
 969         err = qlcnic_issue_cmd(adapter, &cmd);
 970         if (!err) {
 971                 stats = stats_addr;
 972                 mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
 973                 mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
 974                 mac_stats->mac_tx_mcast_pkts =
 975                                         le64_to_cpu(stats->mac_tx_mcast_pkts);
 976                 mac_stats->mac_tx_bcast_pkts =
 977                                         le64_to_cpu(stats->mac_tx_bcast_pkts);
 978                 mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
 979                 mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
 980                 mac_stats->mac_rx_mcast_pkts =
 981                                         le64_to_cpu(stats->mac_rx_mcast_pkts);
 982                 mac_stats->mac_rx_length_error =
 983                                 le64_to_cpu(stats->mac_rx_length_error);
 984                 mac_stats->mac_rx_length_small =
 985                                 le64_to_cpu(stats->mac_rx_length_small);
 986                 mac_stats->mac_rx_length_large =
 987                                 le64_to_cpu(stats->mac_rx_length_large);
 988                 mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
 989                 mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
 990                 mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
 991         } else {
 992                 dev_err(&adapter->pdev->dev,
 993                         "%s: Get mac stats failed, err=%d.\n", __func__, err);
 994         }
 995
 996         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
 997                 stats_dma_t);
 998
 999         qlcnic_free_mbx_args(&cmd);
1000
1001         return err;
1002 }
1003
1004 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
1005                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1006
1007         struct __qlcnic_esw_statistics port_stats;
1008         u8 i;
1009         int ret = -EIO;
1010
1011         if (esw_stats == NULL)
1012                 return -ENOMEM;
1013         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1014                 return -EIO;
1015         if (adapter->npars == NULL)
1016                 return -EIO;
1017
1018         memset(esw_stats, 0, sizeof(u64));
1019         esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
1020         esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
1021         esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
1022         esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
1023         esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
1024         esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
1025         esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
1026         esw_stats->context_id = eswitch;
1027
1028         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1029                 if (adapter->npars[i].phy_port != eswitch)
1030                         continue;
1031
1032                 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
1033                 if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
1034                                           rx_tx, &port_stats))
1035                         continue;
1036
1037                 esw_stats->size = port_stats.size;
1038                 esw_stats->version = port_stats.version;
1039                 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
1040                                                 port_stats.unicast_frames);
1041                 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
1042                                                 port_stats.multicast_frames);
1043                 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
1044                                                 port_stats.broadcast_frames);
1045                 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
1046                                                 port_stats.dropped_frames);
1047                 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
1048                                                 port_stats.errors);
1049                 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
1050                                                 port_stats.local_frames);
1051                 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
1052                                                 port_stats.numbytes);
1053                 ret = 0;
1054         }
1055         return ret;
1056 }
1057
1058 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
1059                 const u8 port, const u8 rx_tx)
1060 {
1061         int err;
1062         u32 arg1;
1063         struct qlcnic_cmd_args cmd;
1064
1065         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1066                 return -EIO;
1067
1068         if (func_esw == QLCNIC_STATS_PORT) {
1069                 if (port >= QLCNIC_MAX_PCI_FUNC)
1070                         goto err_ret;
1071         } else if (func_esw == QLCNIC_STATS_ESWITCH) {
1072                 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
1073                         goto err_ret;
1074         } else {
1075                 goto err_ret;
1076         }
1077
1078         if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
1079                 goto err_ret;
1080
1081         arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
1082         arg1 |= BIT_14 | rx_tx << 15;
1083
1084         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_ESWITCH_STATS);
1085         cmd.req.arg[1] = arg1;
1086         err = qlcnic_issue_cmd(adapter, &cmd);
1087         qlcnic_free_mbx_args(&cmd);
1088         return err;
1089
1090 err_ret:
1091         dev_err(&adapter->pdev->dev,
1092                 "Invalid args func_esw %d port %d rx_ctx %d\n",
1093                 func_esw, port, rx_tx);
1094         return -EIO;
1095 }
1096
1097 static int
1098 __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1099                                         u32 *arg1, u32 *arg2)
1100 {
1101         int err = -EIO;
1102         struct qlcnic_cmd_args cmd;
1103         u8 pci_func;
1104         pci_func = (*arg1 >> 8);
1105
1106         qlcnic_alloc_mbx_args(&cmd, adapter,
1107                               QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG);
1108         cmd.req.arg[1] = *arg1;
1109         err = qlcnic_issue_cmd(adapter, &cmd);
1110         *arg1 = cmd.rsp.arg[1];
1111         *arg2 = cmd.rsp.arg[2];
1112         qlcnic_free_mbx_args(&cmd);
1113
1114         if (err == QLCNIC_RCODE_SUCCESS)
1115                 dev_info(&adapter->pdev->dev,
1116                          "eSwitch port config for pci func %d\n", pci_func);
1117         else
1118                 dev_err(&adapter->pdev->dev,
1119                         "Failed to get eswitch port config for pci func %d\n",
1120                                                                 pci_func);
1121         return err;
1122 }
1123 /* Configure eSwitch port
1124 op_mode = 0 for setting default port behavior
1125 op_mode = 1 for setting  vlan id
1126 op_mode = 2 for deleting vlan id
1127 op_type = 0 for vlan_id
1128 op_type = 1 for port vlan_id
1129 */
1130 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1131                 struct qlcnic_esw_func_cfg *esw_cfg)
1132 {
1133         int err = -EIO, index;
1134         u32 arg1, arg2 = 0;
1135         struct qlcnic_cmd_args cmd;
1136         u8 pci_func;
1137
1138         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1139                 return err;
1140         pci_func = esw_cfg->pci_func;
1141         index = qlcnic_is_valid_nic_func(adapter, pci_func);
1142         if (index < 0)
1143                 return err;
1144         arg1 = (adapter->npars[index].phy_port & BIT_0);
1145         arg1 |= (pci_func << 8);
1146
1147         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1148                 return err;
1149         arg1 &= ~(0x0ff << 8);
1150         arg1 |= (pci_func << 8);
1151         arg1 &= ~(BIT_2 | BIT_3);
1152         switch (esw_cfg->op_mode) {
1153         case QLCNIC_PORT_DEFAULTS:
1154                 arg1 |= (BIT_4 | BIT_6 | BIT_7);
1155                 arg2 |= (BIT_0 | BIT_1);
1156                 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1157                         arg2 |= (BIT_2 | BIT_3);
1158                 if (!(esw_cfg->discard_tagged))
1159                         arg1 &= ~BIT_4;
1160                 if (!(esw_cfg->promisc_mode))
1161                         arg1 &= ~BIT_6;
1162                 if (!(esw_cfg->mac_override))
1163                         arg1 &= ~BIT_7;
1164                 if (!(esw_cfg->mac_anti_spoof))
1165                         arg2 &= ~BIT_0;
1166                 if (!(esw_cfg->offload_flags & BIT_0))
1167                         arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1168                 if (!(esw_cfg->offload_flags & BIT_1))
1169                         arg2 &= ~BIT_2;
1170                 if (!(esw_cfg->offload_flags & BIT_2))
1171                         arg2 &= ~BIT_3;
1172                 break;
1173         case QLCNIC_ADD_VLAN:
1174                         arg1 |= (BIT_2 | BIT_5);
1175                         arg1 |= (esw_cfg->vlan_id << 16);
1176                         break;
1177         case QLCNIC_DEL_VLAN:
1178                         arg1 |= (BIT_3 | BIT_5);
1179                         arg1 &= ~(0x0ffff << 16);
1180                         break;
1181         default:
1182                 return err;
1183         }
1184
1185         qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_ESWITCH);
1186         cmd.req.arg[1] = arg1;
1187         cmd.req.arg[2] = arg2;
1188         err = qlcnic_issue_cmd(adapter, &cmd);
1189         qlcnic_free_mbx_args(&cmd);
1190
1191         if (err != QLCNIC_RCODE_SUCCESS)
1192                 dev_err(&adapter->pdev->dev,
1193                         "Failed to configure eswitch pci func %d\n", pci_func);
1194         else
1195                 dev_info(&adapter->pdev->dev,
1196                          "Configured eSwitch for pci func %d\n", pci_func);
1197
1198         return err;
1199 }
1200
1201 int
1202 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1203                         struct qlcnic_esw_func_cfg *esw_cfg)
1204 {
1205         u32 arg1, arg2;
1206         int index;
1207         u8 phy_port;
1208
1209         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
1210                 index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
1211                 if (index < 0)
1212                         return -EIO;
1213                 phy_port = adapter->npars[index].phy_port;
1214         } else {
1215                 phy_port = adapter->ahw->physical_port;
1216         }
1217         arg1 = phy_port;
1218         arg1 |= (esw_cfg->pci_func << 8);
1219         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1220                 return -EIO;
1221
1222         esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1223         esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1224         esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1225         esw_cfg->mac_override = !!(arg1 & BIT_7);
1226         esw_cfg->vlan_id = LSW(arg1 >> 16);
1227         esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1228         esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1229
1230         return 0;
1231 }