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

   1 /*
   2  * QLogic qlcnic NIC Driver
   3  * Copyright (c) 2009-2013 QLogic Corporation
   4  *
   5  * See LICENSE.qlcnic for copyright and licensing details.
   6  */
   7
   8 #include "qlcnic.h"
   9
  10 static const struct qlcnic_mailbox_metadata qlcnic_mbx_tbl[] = {
  11         {QLCNIC_CMD_CREATE_RX_CTX, 4, 1},
  12         {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1},
  13         {QLCNIC_CMD_CREATE_TX_CTX, 4, 1},
  14         {QLCNIC_CMD_DESTROY_TX_CTX, 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_82XX_SET_DRV_VER, 4, 1},
  40         {QLCNIC_CMD_GET_LED_STATUS, 4, 2},
  41         {QLCNIC_CMD_MQ_TX_CONFIG_INTR, 2, 3},
  42         {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2},
  43         {QLCNIC_CMD_DCB_QUERY_PARAM, 4, 1},
  44 };
  45
  46 static inline u32 qlcnic_get_cmd_signature(struct qlcnic_hardware_context *ahw)
  47 {
  48         return (ahw->pci_func & 0xff) | ((ahw->fw_hal_version & 0xff) << 8) |
  49                (0xcafe << 16);
  50 }
  51
  52 /* Allocate mailbox registers */
  53 int qlcnic_82xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
  54                                struct qlcnic_adapter *adapter, u32 type)
  55 {
  56         int i, size;
  57         const struct qlcnic_mailbox_metadata *mbx_tbl;
  58
  59         mbx_tbl = qlcnic_mbx_tbl;
  60         size = ARRAY_SIZE(qlcnic_mbx_tbl);
  61         for (i = 0; i < size; i++) {
  62                 if (type == mbx_tbl[i].cmd) {
  63                         mbx->req.num = mbx_tbl[i].in_args;
  64                         mbx->rsp.num = mbx_tbl[i].out_args;
  65                         mbx->req.arg = kcalloc(mbx->req.num,
  66                                                sizeof(u32), GFP_ATOMIC);
  67                         if (!mbx->req.arg)
  68                                 return -ENOMEM;
  69                         mbx->rsp.arg = kcalloc(mbx->rsp.num,
  70                                                sizeof(u32), GFP_ATOMIC);
  71                         if (!mbx->rsp.arg) {
  72                                 kfree(mbx->req.arg);
  73                                 mbx->req.arg = NULL;
  74                                 return -ENOMEM;
  75                         }
  76                         memset(mbx->req.arg, 0, sizeof(u32) * mbx->req.num);
  77                         memset(mbx->rsp.arg, 0, sizeof(u32) * mbx->rsp.num);
  78                         mbx->req.arg[0] = type;
  79                         break;
  80                 }
  81         }
  82         return 0;
  83 }
  84
  85 /* Free up mailbox registers */
  86 void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd)
  87 {
  88         kfree(cmd->req.arg);
  89         cmd->req.arg = NULL;
  90         kfree(cmd->rsp.arg);
  91         cmd->rsp.arg = NULL;
  92 }
  93
  94 static int qlcnic_is_valid_nic_func(struct qlcnic_adapter *adapter, u8 pci_func)
  95 {
  96         int i;
  97
  98         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
  99                 if (adapter->npars[i].pci_func == pci_func)
 100                         return i;
 101         }
 102
 103         return -1;
 104 }
 105
 106 static u32
 107 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
 108 {
 109         u32 rsp;
 110         int timeout = 0, err = 0;
 111
 112         do {
 113                 /* give atleast 1ms for firmware to respond */
 114                 mdelay(1);
 115
 116                 if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
 117                         return QLCNIC_CDRP_RSP_TIMEOUT;
 118
 119                 rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET, &err);
 120         } while (!QLCNIC_CDRP_IS_RSP(rsp));
 121
 122         return rsp;
 123 }
 124
 125 int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter,
 126                           struct qlcnic_cmd_args *cmd)
 127 {
 128         int i, err = 0;
 129         u32 rsp;
 130         u32 signature;
 131         struct pci_dev *pdev = adapter->pdev;
 132         struct qlcnic_hardware_context *ahw = adapter->ahw;
 133         const char *fmt;
 134
 135         signature = qlcnic_get_cmd_signature(ahw);
 136
 137         /* Acquire semaphore before accessing CRB */
 138         if (qlcnic_api_lock(adapter)) {
 139                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 140                 return cmd->rsp.arg[0];
 141         }
 142
 143         QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
 144         for (i = 1; i < QLCNIC_CDRP_MAX_ARGS; i++)
 145                 QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]);
 146         QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
 147                 QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0]));
 148         rsp = qlcnic_poll_rsp(adapter);
 149
 150         if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
 151                 dev_err(&pdev->dev, "card response timeout.\n");
 152                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 153         } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
 154                 cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1), &err);
 155                 switch (cmd->rsp.arg[0]) {
 156                 case QLCNIC_RCODE_INVALID_ARGS:
 157                         fmt = "CDRP invalid args: [%d]\n";
 158                         break;
 159                 case QLCNIC_RCODE_NOT_SUPPORTED:
 160                 case QLCNIC_RCODE_NOT_IMPL:
 161                         fmt = "CDRP command not supported: [%d]\n";
 162                         break;
 163                 case QLCNIC_RCODE_NOT_PERMITTED:
 164                         fmt = "CDRP requested action not permitted: [%d]\n";
 165                         break;
 166                 case QLCNIC_RCODE_INVALID:
 167                         fmt = "CDRP invalid or unknown cmd received: [%d]\n";
 168                         break;
 169                 case QLCNIC_RCODE_TIMEOUT:
 170                         fmt = "CDRP command timeout: [%d]\n";
 171                         break;
 172                 default:
 173                         fmt = "CDRP command failed: [%d]\n";
 174                         break;
 175                 }
 176                 dev_err(&pdev->dev, fmt, cmd->rsp.arg[0]);
 177                 qlcnic_dump_mbx(adapter, cmd);
 178         } else if (rsp == QLCNIC_CDRP_RSP_OK)
 179                 cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS;
 180
 181         for (i = 1; i < cmd->rsp.num; i++)
 182                 cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i), &err);
 183
 184         /* Release semaphore */
 185         qlcnic_api_unlock(adapter);
 186         return cmd->rsp.arg[0];
 187 }
 188
 189 int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter, u32 fw_cmd)
 190 {
 191         struct qlcnic_cmd_args cmd;
 192         u32 arg1, arg2, arg3;
 193         char drv_string[12];
 194         int err = 0;
 195
 196         memset(drv_string, 0, sizeof(drv_string));
 197         snprintf(drv_string, sizeof(drv_string), "%d"".""%d"".""%d",
 198                  _QLCNIC_LINUX_MAJOR, _QLCNIC_LINUX_MINOR,
 199                  _QLCNIC_LINUX_SUBVERSION);
 200
 201         err = qlcnic_alloc_mbx_args(&cmd, adapter, fw_cmd);
 202         if (err)
 203                 return err;
 204
 205         memcpy(&arg1, drv_string, sizeof(u32));
 206         memcpy(&arg2, drv_string + 4, sizeof(u32));
 207         memcpy(&arg3, drv_string + 8, sizeof(u32));
 208
 209         cmd.req.arg[1] = arg1;
 210         cmd.req.arg[2] = arg2;
 211         cmd.req.arg[3] = arg3;
 212
 213         err = qlcnic_issue_cmd(adapter, &cmd);
 214         if (err) {
 215                 dev_info(&adapter->pdev->dev,
 216                          "Failed to set driver version in firmware\n");
 217                 err = -EIO;
 218         }
 219         qlcnic_free_mbx_args(&cmd);
 220         return err;
 221 }
 222
 223 int
 224 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
 225 {
 226         int err = 0;
 227         struct qlcnic_cmd_args cmd;
 228         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 229
 230         if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE)
 231                 return err;
 232         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU);
 233         if (err)
 234                 return err;
 235
 236         cmd.req.arg[1] = recv_ctx->context_id;
 237         cmd.req.arg[2] = mtu;
 238
 239         err = qlcnic_issue_cmd(adapter, &cmd);
 240         if (err) {
 241                 dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
 242                 err = -EIO;
 243         }
 244         qlcnic_free_mbx_args(&cmd);
 245         return err;
 246 }
 247
 248 int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 249 {
 250         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 251         struct qlcnic_hardware_context *ahw = adapter->ahw;
 252         dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
 253         struct net_device *netdev = adapter->netdev;
 254         u32 temp_intr_crb_mode, temp_rds_crb_mode;
 255         struct qlcnic_cardrsp_rds_ring *prsp_rds;
 256         struct qlcnic_cardrsp_sds_ring *prsp_sds;
 257         struct qlcnic_hostrq_rds_ring *prq_rds;
 258         struct qlcnic_hostrq_sds_ring *prq_sds;
 259         struct qlcnic_host_rds_ring *rds_ring;
 260         struct qlcnic_host_sds_ring *sds_ring;
 261         struct qlcnic_cardrsp_rx_ctx *prsp;
 262         struct qlcnic_hostrq_rx_ctx *prq;
 263         u8 i, nrds_rings, nsds_rings;
 264         struct qlcnic_cmd_args cmd;
 265         size_t rq_size, rsp_size;
 266         u32 cap, reg, val, reg2;
 267         u64 phys_addr;
 268         u16 temp_u16;
 269         void *addr;
 270         int err;
 271
 272         nrds_rings = adapter->max_rds_rings;
 273         nsds_rings = adapter->max_sds_rings;
 274
 275         rq_size = SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
 276                                    nsds_rings);
 277         rsp_size = SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
 278                                      nsds_rings);
 279
 280         addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 281                                   &hostrq_phys_addr, GFP_KERNEL);
 282         if (addr == NULL)
 283                 return -ENOMEM;
 284         prq = addr;
 285
 286         addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 287                         &cardrsp_phys_addr, GFP_KERNEL);
 288         if (addr == NULL) {
 289                 err = -ENOMEM;
 290                 goto out_free_rq;
 291         }
 292         prsp = addr;
 293
 294         prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
 295
 296         cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
 297                                                 | QLCNIC_CAP0_VALIDOFF);
 298         cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
 299
 300         if (qlcnic_check_multi_tx(adapter) &&
 301             !adapter->ahw->diag_test) {
 302                 cap |= QLCNIC_CAP0_TX_MULTI;
 303         } else {
 304                 temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler);
 305                 prq->valid_field_offset = cpu_to_le16(temp_u16);
 306                 prq->txrx_sds_binding = nsds_rings - 1;
 307                 temp_intr_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
 308                 prq->host_int_crb_mode = cpu_to_le32(temp_intr_crb_mode);
 309                 temp_rds_crb_mode = QLCNIC_HOST_RDS_CRB_MODE_UNIQUE;
 310                 prq->host_rds_crb_mode = cpu_to_le32(temp_rds_crb_mode);
 311         }
 312
 313         prq->capabilities[0] = cpu_to_le32(cap);
 314
 315         prq->num_rds_rings = cpu_to_le16(nrds_rings);
 316         prq->num_sds_rings = cpu_to_le16(nsds_rings);
 317         prq->rds_ring_offset = 0;
 318
 319         val = le32_to_cpu(prq->rds_ring_offset) +
 320                 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
 321         prq->sds_ring_offset = cpu_to_le32(val);
 322
 323         prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
 324                         le32_to_cpu(prq->rds_ring_offset));
 325
 326         for (i = 0; i < nrds_rings; i++) {
 327                 rds_ring = &recv_ctx->rds_rings[i];
 328                 rds_ring->producer = 0;
 329                 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
 330                 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
 331                 prq_rds[i].ring_kind = cpu_to_le32(i);
 332                 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
 333         }
 334
 335         prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
 336                         le32_to_cpu(prq->sds_ring_offset));
 337
 338         for (i = 0; i < nsds_rings; i++) {
 339                 sds_ring = &recv_ctx->sds_rings[i];
 340                 sds_ring->consumer = 0;
 341                 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
 342                 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
 343                 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
 344                 if (qlcnic_check_multi_tx(adapter) &&
 345                     !adapter->ahw->diag_test)
 346                         prq_sds[i].msi_index = cpu_to_le16(ahw->intr_tbl[i].id);
 347                 else
 348                         prq_sds[i].msi_index = cpu_to_le16(i);
 349         }
 350
 351         phys_addr = hostrq_phys_addr;
 352         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX);
 353         if (err)
 354                 goto out_free_rsp;
 355
 356         cmd.req.arg[1] = MSD(phys_addr);
 357         cmd.req.arg[2] = LSD(phys_addr);
 358         cmd.req.arg[3] = rq_size;
 359         err = qlcnic_issue_cmd(adapter, &cmd);
 360         if (err) {
 361                 dev_err(&adapter->pdev->dev,
 362                         "Failed to create rx ctx in firmware%d\n", err);
 363                 goto out_free_rsp;
 364         }
 365
 366         prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
 367                          &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
 368
 369         for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
 370                 rds_ring = &recv_ctx->rds_rings[i];
 371                 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
 372                 rds_ring->crb_rcv_producer = ahw->pci_base0 + reg;
 373         }
 374
 375         prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
 376                         &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
 377
 378         for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
 379                 sds_ring = &recv_ctx->sds_rings[i];
 380                 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
 381                 if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
 382                         reg2 = ahw->intr_tbl[i].src;
 383                 else
 384                         reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
 385
 386                 sds_ring->crb_intr_mask = ahw->pci_base0 + reg2;
 387                 sds_ring->crb_sts_consumer = ahw->pci_base0 + reg;
 388         }
 389
 390         recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
 391         recv_ctx->context_id = le16_to_cpu(prsp->context_id);
 392         recv_ctx->virt_port = prsp->virt_port;
 393
 394         netdev_info(netdev, "Rx Context[%d] Created, state 0x%x\n",
 395                     recv_ctx->context_id, recv_ctx->state);
 396         qlcnic_free_mbx_args(&cmd);
 397
 398 out_free_rsp:
 399         dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
 400                           cardrsp_phys_addr);
 401 out_free_rq:
 402         dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
 403
 404         return err;
 405 }
 406
 407 void qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter)
 408 {
 409         int err;
 410         struct qlcnic_cmd_args cmd;
 411         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 412
 413         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX);
 414         if (err)
 415                 return;
 416
 417         cmd.req.arg[1] = recv_ctx->context_id;
 418         err = qlcnic_issue_cmd(adapter, &cmd);
 419         if (err)
 420                 dev_err(&adapter->pdev->dev,
 421                         "Failed to destroy rx ctx in firmware\n");
 422
 423         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 424         qlcnic_free_mbx_args(&cmd);
 425 }
 426
 427 int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
 428                                      struct qlcnic_host_tx_ring *tx_ring,
 429                                      int ring)
 430 {
 431         struct qlcnic_hardware_context *ahw = adapter->ahw;
 432         struct net_device *netdev = adapter->netdev;
 433         struct qlcnic_hostrq_tx_ctx     *prq;
 434         struct qlcnic_hostrq_cds_ring   *prq_cds;
 435         struct qlcnic_cardrsp_tx_ctx    *prsp;
 436         struct qlcnic_cmd_args cmd;
 437         u32 temp, intr_mask, temp_int_crb_mode;
 438         dma_addr_t rq_phys_addr, rsp_phys_addr;
 439         int temp_nsds_rings, index, err;
 440         void *rq_addr, *rsp_addr;
 441         size_t rq_size, rsp_size;
 442         u64 phys_addr;
 443         u16 msix_id;
 444
 445         /* reset host resources */
 446         tx_ring->producer = 0;
 447         tx_ring->sw_consumer = 0;
 448         *(tx_ring->hw_consumer) = 0;
 449
 450         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
 451         rq_addr = dma_zalloc_coherent(&adapter->pdev->dev, rq_size,
 452                                       &rq_phys_addr, GFP_KERNEL);
 453         if (!rq_addr)
 454                 return -ENOMEM;
 455
 456         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
 457         rsp_addr = dma_zalloc_coherent(&adapter->pdev->dev, rsp_size,
 458                                        &rsp_phys_addr, GFP_KERNEL);
 459         if (!rsp_addr) {
 460                 err = -ENOMEM;
 461                 goto out_free_rq;
 462         }
 463
 464         prq = rq_addr;
 465         prsp = rsp_addr;
 466
 467         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 468
 469         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 470                 QLCNIC_CAP0_LSO);
 471         if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
 472                 temp |= QLCNIC_CAP0_TX_MULTI;
 473
 474         prq->capabilities[0] = cpu_to_le32(temp);
 475
 476         if (qlcnic_check_multi_tx(adapter) &&
 477             !adapter->ahw->diag_test) {
 478                 temp_nsds_rings = adapter->max_sds_rings;
 479                 index = temp_nsds_rings + ring;
 480                 msix_id = ahw->intr_tbl[index].id;
 481                 prq->msi_index = cpu_to_le16(msix_id);
 482         } else {
 483                 temp_int_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
 484                 prq->host_int_crb_mode = cpu_to_le32(temp_int_crb_mode);
 485                 prq->msi_index = 0;
 486         }
 487
 488         prq->interrupt_ctl = 0;
 489         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 490
 491         prq_cds = &prq->cds_ring;
 492
 493         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 494         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 495
 496         phys_addr = rq_phys_addr;
 497
 498         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
 499         if (err)
 500                 goto out_free_rsp;
 501
 502         cmd.req.arg[1] = MSD(phys_addr);
 503         cmd.req.arg[2] = LSD(phys_addr);
 504         cmd.req.arg[3] = rq_size;
 505         err = qlcnic_issue_cmd(adapter, &cmd);
 506
 507         if (err == QLCNIC_RCODE_SUCCESS) {
 508                 tx_ring->state = le32_to_cpu(prsp->host_ctx_state);
 509                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 510                 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
 511                 tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
 512                 if (qlcnic_check_multi_tx(adapter) &&
 513                     !adapter->ahw->diag_test &&
 514                     (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 515                         index = adapter->max_sds_rings + ring;
 516                         intr_mask = ahw->intr_tbl[index].src;
 517                         tx_ring->crb_intr_mask = ahw->pci_base0 + intr_mask;
 518                 }
 519
 520                 netdev_info(netdev, "Tx Context[0x%x] Created, state 0x%x\n",
 521                             tx_ring->ctx_id, tx_ring->state);
 522         } else {
 523                 netdev_err(netdev, "Failed to create tx ctx in firmware%d\n",
 524                            err);
 525                 err = -EIO;
 526         }
 527         qlcnic_free_mbx_args(&cmd);
 528
 529 out_free_rsp:
 530         dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
 531                           rsp_phys_addr);
 532 out_free_rq:
 533         dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
 534
 535         return err;
 536 }
 537
 538 void qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter,
 539                                    struct qlcnic_host_tx_ring *tx_ring)
 540 {
 541         struct qlcnic_cmd_args cmd;
 542         int ret;
 543
 544         ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
 545         if (ret)
 546                 return;
 547
 548         cmd.req.arg[1] = tx_ring->ctx_id;
 549         if (qlcnic_issue_cmd(adapter, &cmd))
 550                 dev_err(&adapter->pdev->dev,
 551                         "Failed to destroy tx ctx in firmware\n");
 552         qlcnic_free_mbx_args(&cmd);
 553 }
 554
 555 int
 556 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
 557 {
 558         int err;
 559         struct qlcnic_cmd_args cmd;
 560
 561         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
 562         if (err)
 563                 return err;
 564
 565         cmd.req.arg[1] = config;
 566         err = qlcnic_issue_cmd(adapter, &cmd);
 567         qlcnic_free_mbx_args(&cmd);
 568         return err;
 569 }
 570
 571 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 572 {
 573         void *addr;
 574         int err, ring;
 575         struct qlcnic_recv_context *recv_ctx;
 576         struct qlcnic_host_rds_ring *rds_ring;
 577         struct qlcnic_host_sds_ring *sds_ring;
 578         struct qlcnic_host_tx_ring *tx_ring;
 579         __le32 *ptr;
 580
 581         struct pci_dev *pdev = adapter->pdev;
 582
 583         recv_ctx = adapter->recv_ctx;
 584
 585         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
 586                 tx_ring = &adapter->tx_ring[ring];
 587                 ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
 588                                                    &tx_ring->hw_cons_phys_addr,
 589                                                    GFP_KERNEL);
 590                 if (ptr == NULL)
 591                         return -ENOMEM;
 592
 593                 tx_ring->hw_consumer = ptr;
 594                 /* cmd desc ring */
 595                 addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
 596                                           &tx_ring->phys_addr,
 597                                           GFP_KERNEL);
 598                 if (addr == NULL) {
 599                         err = -ENOMEM;
 600                         goto err_out_free;
 601                 }
 602
 603                 tx_ring->desc_head = addr;
 604         }
 605
 606         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 607                 rds_ring = &recv_ctx->rds_rings[ring];
 608                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 609                                           RCV_DESC_RINGSIZE(rds_ring),
 610                                           &rds_ring->phys_addr, GFP_KERNEL);
 611                 if (addr == NULL) {
 612                         err = -ENOMEM;
 613                         goto err_out_free;
 614                 }
 615                 rds_ring->desc_head = addr;
 616
 617         }
 618
 619         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 620                 sds_ring = &recv_ctx->sds_rings[ring];
 621
 622                 addr = dma_alloc_coherent(&adapter->pdev->dev,
 623                                           STATUS_DESC_RINGSIZE(sds_ring),
 624                                           &sds_ring->phys_addr, GFP_KERNEL);
 625                 if (addr == NULL) {
 626                         err = -ENOMEM;
 627                         goto err_out_free;
 628                 }
 629                 sds_ring->desc_head = addr;
 630         }
 631
 632         return 0;
 633
 634 err_out_free:
 635         qlcnic_free_hw_resources(adapter);
 636         return err;
 637 }
 638
 639 int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev)
 640 {
 641         int i, err, ring;
 642
 643         if (dev->flags & QLCNIC_NEED_FLR) {
 644                 pci_reset_function(dev->pdev);
 645                 dev->flags &= ~QLCNIC_NEED_FLR;
 646         }
 647
 648         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 649                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
 650                         err = qlcnic_83xx_config_intrpt(dev, 1);
 651                         if (err)
 652                                 return err;
 653                 }
 654         }
 655
 656         if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
 657             qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test) {
 658                 err = qlcnic_82xx_mq_intrpt(dev, 1);
 659                 if (err)
 660                         return err;
 661         }
 662
 663         err = qlcnic_fw_cmd_create_rx_ctx(dev);
 664         if (err)
 665                 goto err_out;
 666
 667         for (ring = 0; ring < dev->max_drv_tx_rings; ring++) {
 668                 err = qlcnic_fw_cmd_create_tx_ctx(dev,
 669                                                   &dev->tx_ring[ring],
 670                                                   ring);
 671                 if (err) {
 672                         qlcnic_fw_cmd_del_rx_ctx(dev);
 673                         if (ring == 0)
 674                                 goto err_out;
 675
 676                         for (i = 0; i < ring; i++)
 677                                 qlcnic_fw_cmd_del_tx_ctx(dev, &dev->tx_ring[i]);
 678
 679                         goto err_out;
 680                 }
 681         }
 682
 683         set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
 684
 685         return 0;
 686
 687 err_out:
 688         if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
 689             qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test)
 690                         qlcnic_82xx_config_intrpt(dev, 0);
 691
 692         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 693                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 694                         qlcnic_83xx_config_intrpt(dev, 0);
 695         }
 696
 697         return err;
 698 }
 699
 700 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 701 {
 702         int ring;
 703
 704         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 705                 qlcnic_fw_cmd_del_rx_ctx(adapter);
 706                 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++)
 707                         qlcnic_fw_cmd_del_tx_ctx(adapter,
 708                                                  &adapter->tx_ring[ring]);
 709
 710                 if (qlcnic_82xx_check(adapter) &&
 711                     (adapter->flags & QLCNIC_MSIX_ENABLED) &&
 712                     qlcnic_check_multi_tx(adapter) &&
 713                     !adapter->ahw->diag_test)
 714                                 qlcnic_82xx_config_intrpt(adapter, 0);
 715
 716                 if (qlcnic_83xx_check(adapter) &&
 717                     (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 718                         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 719                                 qlcnic_83xx_config_intrpt(adapter, 0);
 720                 }
 721                 /* Allow dma queues to drain after context reset */
 722                 mdelay(20);
 723         }
 724 }
 725
 726 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 727 {
 728         struct qlcnic_recv_context *recv_ctx;
 729         struct qlcnic_host_rds_ring *rds_ring;
 730         struct qlcnic_host_sds_ring *sds_ring;
 731         struct qlcnic_host_tx_ring *tx_ring;
 732         int ring;
 733
 734         recv_ctx = adapter->recv_ctx;
 735
 736         for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
 737                 tx_ring = &adapter->tx_ring[ring];
 738                 if (tx_ring->hw_consumer != NULL) {
 739                         dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
 740                                           tx_ring->hw_consumer,
 741                                           tx_ring->hw_cons_phys_addr);
 742
 743                         tx_ring->hw_consumer = NULL;
 744                 }
 745
 746                 if (tx_ring->desc_head != NULL) {
 747                         dma_free_coherent(&adapter->pdev->dev,
 748                                           TX_DESC_RINGSIZE(tx_ring),
 749                                           tx_ring->desc_head,
 750                                           tx_ring->phys_addr);
 751                         tx_ring->desc_head = NULL;
 752                 }
 753         }
 754
 755         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 756                 rds_ring = &recv_ctx->rds_rings[ring];
 757
 758                 if (rds_ring->desc_head != NULL) {
 759                         dma_free_coherent(&adapter->pdev->dev,
 760                                         RCV_DESC_RINGSIZE(rds_ring),
 761                                         rds_ring->desc_head,
 762                                         rds_ring->phys_addr);
 763                         rds_ring->desc_head = NULL;
 764                 }
 765         }
 766
 767         for (ring = 0; ring < adapter->max_sds_rings; ring++) {
 768                 sds_ring = &recv_ctx->sds_rings[ring];
 769
 770                 if (sds_ring->desc_head != NULL) {
 771                         dma_free_coherent(&adapter->pdev->dev,
 772                                 STATUS_DESC_RINGSIZE(sds_ring),
 773                                 sds_ring->desc_head,
 774                                 sds_ring->phys_addr);
 775                         sds_ring->desc_head = NULL;
 776                 }
 777         }
 778 }
 779
 780 int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type)
 781 {
 782         struct qlcnic_hardware_context *ahw = adapter->ahw;
 783         struct net_device *netdev = adapter->netdev;
 784         struct qlcnic_cmd_args cmd;
 785         u32 type, val;
 786         int i, err = 0;
 787
 788         for (i = 0; i < ahw->num_msix; i++) {
 789                 qlcnic_alloc_mbx_args(&cmd, adapter,
 790                                       QLCNIC_CMD_MQ_TX_CONFIG_INTR);
 791                 type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
 792                 val = type | (ahw->intr_tbl[i].type << 4);
 793                 if (ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)
 794                         val |= (ahw->intr_tbl[i].id << 16);
 795                 cmd.req.arg[1] = val;
 796                 err = qlcnic_issue_cmd(adapter, &cmd);
 797                 if (err) {
 798                         netdev_err(netdev, "Failed to %s interrupts %d\n",
 799                                    op_type == QLCNIC_INTRPT_ADD ? "Add" :
 800                                    "Delete", err);
 801                         qlcnic_free_mbx_args(&cmd);
 802                         return err;
 803                 }
 804                 val = cmd.rsp.arg[1];
 805                 if (LSB(val)) {
 806                         netdev_info(netdev,
 807                                     "failed to configure interrupt for %d\n",
 808                                     ahw->intr_tbl[i].id);
 809                         continue;
 810                 }
 811                 if (op_type) {
 812                         ahw->intr_tbl[i].id = MSW(val);
 813                         ahw->intr_tbl[i].enabled = 1;
 814                         ahw->intr_tbl[i].src = cmd.rsp.arg[2];
 815                 } else {
 816                         ahw->intr_tbl[i].id = i;
 817                         ahw->intr_tbl[i].enabled = 0;
 818                         ahw->intr_tbl[i].src = 0;
 819                 }
 820                 qlcnic_free_mbx_args(&cmd);
 821         }
 822
 823         return err;
 824 }
 825
 826 int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac,
 827                                 u8 function)
 828 {
 829         int err, i;
 830         struct qlcnic_cmd_args cmd;
 831         u32 mac_low, mac_high;
 832
 833         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
 834         if (err)
 835                 return err;
 836
 837         cmd.req.arg[1] = function | BIT_8;
 838         err = qlcnic_issue_cmd(adapter, &cmd);
 839
 840         if (err == QLCNIC_RCODE_SUCCESS) {
 841                 mac_low = cmd.rsp.arg[1];
 842                 mac_high = cmd.rsp.arg[2];
 843
 844                 for (i = 0; i < 2; i++)
 845                         mac[i] = (u8) (mac_high >> ((1 - i) * 8));
 846                 for (i = 2; i < 6; i++)
 847                         mac[i] = (u8) (mac_low >> ((5 - i) * 8));
 848         } else {
 849                 dev_err(&adapter->pdev->dev,
 850                         "Failed to get mac address%d\n", err);
 851                 err = -EIO;
 852         }
 853         qlcnic_free_mbx_args(&cmd);
 854         return err;
 855 }
 856
 857 /* Get info of a NIC partition */
 858 int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
 859                              struct qlcnic_info *npar_info, u8 func_id)
 860 {
 861         int     err;
 862         dma_addr_t nic_dma_t;
 863         const struct qlcnic_info_le *nic_info;
 864         void *nic_info_addr;
 865         struct qlcnic_cmd_args cmd;
 866         size_t  nic_size = sizeof(struct qlcnic_info_le);
 867
 868         nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size,
 869                                             &nic_dma_t, GFP_KERNEL);
 870         if (!nic_info_addr)
 871                 return -ENOMEM;
 872
 873         nic_info = nic_info_addr;
 874
 875         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
 876         if (err)
 877                 goto out_free_dma;
 878
 879         cmd.req.arg[1] = MSD(nic_dma_t);
 880         cmd.req.arg[2] = LSD(nic_dma_t);
 881         cmd.req.arg[3] = (func_id << 16 | nic_size);
 882         err = qlcnic_issue_cmd(adapter, &cmd);
 883         if (err != QLCNIC_RCODE_SUCCESS) {
 884                 dev_err(&adapter->pdev->dev,
 885                         "Failed to get nic info%d\n", err);
 886                 err = -EIO;
 887         } else {
 888                 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
 889                 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
 890                 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 891                 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 892                 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
 893                 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
 894                 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 895                 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 896                 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
 897                 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 898         }
 899
 900         qlcnic_free_mbx_args(&cmd);
 901 out_free_dma:
 902         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 903                           nic_dma_t);
 904
 905         return err;
 906 }
 907
 908 /* Configure a NIC partition */
 909 int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter,
 910                              struct qlcnic_info *nic)
 911 {
 912         int err = -EIO;
 913         dma_addr_t nic_dma_t;
 914         void *nic_info_addr;
 915         struct qlcnic_cmd_args cmd;
 916         struct qlcnic_info_le *nic_info;
 917         size_t nic_size = sizeof(struct qlcnic_info_le);
 918
 919         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
 920                 return err;
 921
 922         nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size,
 923                                             &nic_dma_t, GFP_KERNEL);
 924         if (!nic_info_addr)
 925                 return -ENOMEM;
 926
 927         nic_info = nic_info_addr;
 928
 929         nic_info->pci_func = cpu_to_le16(nic->pci_func);
 930         nic_info->op_mode = cpu_to_le16(nic->op_mode);
 931         nic_info->phys_port = cpu_to_le16(nic->phys_port);
 932         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 933         nic_info->capabilities = cpu_to_le32(nic->capabilities);
 934         nic_info->max_mac_filters = nic->max_mac_filters;
 935         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 936         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 937         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 938         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 939
 940         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
 941         if (err)
 942                 goto out_free_dma;
 943
 944         cmd.req.arg[1] = MSD(nic_dma_t);
 945         cmd.req.arg[2] = LSD(nic_dma_t);
 946         cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size);
 947         err = qlcnic_issue_cmd(adapter, &cmd);
 948
 949         if (err != QLCNIC_RCODE_SUCCESS) {
 950                 dev_err(&adapter->pdev->dev,
 951                         "Failed to set nic info%d\n", err);
 952                 err = -EIO;
 953         }
 954
 955         qlcnic_free_mbx_args(&cmd);
 956 out_free_dma:
 957         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 958                           nic_dma_t);
 959
 960         return err;
 961 }
 962
 963 /* Get PCI Info of a partition */
 964 int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter,
 965                              struct qlcnic_pci_info *pci_info)
 966 {
 967         int err = 0, i;
 968         struct qlcnic_cmd_args cmd;
 969         dma_addr_t pci_info_dma_t;
 970         struct qlcnic_pci_info_le *npar;
 971         void *pci_info_addr;
 972         size_t npar_size = sizeof(struct qlcnic_pci_info_le);
 973         size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
 974
 975         pci_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, pci_size,
 976                                             &pci_info_dma_t, GFP_KERNEL);
 977         if (!pci_info_addr)
 978                 return -ENOMEM;
 979
 980         npar = pci_info_addr;
 981         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
 982         if (err)
 983                 goto out_free_dma;
 984
 985         cmd.req.arg[1] = MSD(pci_info_dma_t);
 986         cmd.req.arg[2] = LSD(pci_info_dma_t);
 987         cmd.req.arg[3] = pci_size;
 988         err = qlcnic_issue_cmd(adapter, &cmd);
 989
 990         adapter->ahw->act_pci_func = 0;
 991         if (err == QLCNIC_RCODE_SUCCESS) {
 992                 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) {
 993                         pci_info->id = le16_to_cpu(npar->id);
 994                         pci_info->active = le16_to_cpu(npar->active);
 995                         pci_info->type = le16_to_cpu(npar->type);
 996                         if (pci_info->type == QLCNIC_TYPE_NIC)
 997                                 adapter->ahw->act_pci_func++;
 998                         pci_info->default_port =
 999                                 le16_to_cpu(npar->default_port);
1000                         pci_info->tx_min_bw =
1001                                 le16_to_cpu(npar->tx_min_bw);
1002                         pci_info->tx_max_bw =
1003                                 le16_to_cpu(npar->tx_max_bw);
1004                         memcpy(pci_info->mac, npar->mac, ETH_ALEN);
1005                 }
1006         } else {
1007                 dev_err(&adapter->pdev->dev,
1008                         "Failed to get PCI Info%d\n", err);
1009                 err = -EIO;
1010         }
1011
1012         qlcnic_free_mbx_args(&cmd);
1013 out_free_dma:
1014         dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
1015                 pci_info_dma_t);
1016
1017         return err;
1018 }
1019
1020 /* Configure eSwitch for port mirroring */
1021 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
1022                                  u8 enable_mirroring, u8 pci_func)
1023 {
1024         struct device *dev = &adapter->pdev->dev;
1025         struct qlcnic_cmd_args cmd;
1026         int err = -EIO;
1027         u32 arg1;
1028
1029         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
1030             !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
1031                 return err;
1032
1033         arg1 = id | (enable_mirroring ? BIT_4 : 0);
1034         arg1 |= pci_func << 8;
1035
1036         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1037                                     QLCNIC_CMD_SET_PORTMIRRORING);
1038         if (err)
1039                 return err;
1040
1041         cmd.req.arg[1] = arg1;
1042         err = qlcnic_issue_cmd(adapter, &cmd);
1043
1044         if (err != QLCNIC_RCODE_SUCCESS)
1045                 dev_err(dev, "Failed to configure port mirroring for vNIC function %d on eSwitch %d\n",
1046                         pci_func, id);
1047         else
1048                 dev_info(dev, "Configured port mirroring for vNIC function %d on eSwitch %d\n",
1049                          pci_func, id);
1050         qlcnic_free_mbx_args(&cmd);
1051
1052         return err;
1053 }
1054
1055 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
1056                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1057
1058         size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
1059         struct qlcnic_esw_stats_le *stats;
1060         dma_addr_t stats_dma_t;
1061         void *stats_addr;
1062         u32 arg1;
1063         struct qlcnic_cmd_args cmd;
1064         int err;
1065
1066         if (esw_stats == NULL)
1067                 return -ENOMEM;
1068
1069         if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
1070             (func != adapter->ahw->pci_func)) {
1071                 dev_err(&adapter->pdev->dev,
1072                         "Not privilege to query stats for func=%d", func);
1073                 return -EIO;
1074         }
1075
1076         stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size,
1077                                          &stats_dma_t, GFP_KERNEL);
1078         if (!stats_addr)
1079                 return -ENOMEM;
1080
1081         arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
1082         arg1 |= rx_tx << 15 | stats_size << 16;
1083
1084         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1085                                     QLCNIC_CMD_GET_ESWITCH_STATS);
1086         if (err)
1087                 goto out_free_dma;
1088
1089         cmd.req.arg[1] = arg1;
1090         cmd.req.arg[2] = MSD(stats_dma_t);
1091         cmd.req.arg[3] = LSD(stats_dma_t);
1092         err = qlcnic_issue_cmd(adapter, &cmd);
1093
1094         if (!err) {
1095                 stats = stats_addr;
1096                 esw_stats->context_id = le16_to_cpu(stats->context_id);
1097                 esw_stats->version = le16_to_cpu(stats->version);
1098                 esw_stats->size = le16_to_cpu(stats->size);
1099                 esw_stats->multicast_frames =
1100                                 le64_to_cpu(stats->multicast_frames);
1101                 esw_stats->broadcast_frames =
1102                                 le64_to_cpu(stats->broadcast_frames);
1103                 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
1104                 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
1105                 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
1106                 esw_stats->errors = le64_to_cpu(stats->errors);
1107                 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
1108         }
1109
1110         qlcnic_free_mbx_args(&cmd);
1111 out_free_dma:
1112         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1113                           stats_dma_t);
1114
1115         return err;
1116 }
1117
1118 /* This routine will retrieve the MAC statistics from firmware */
1119 int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
1120                 struct qlcnic_mac_statistics *mac_stats)
1121 {
1122         struct qlcnic_mac_statistics_le *stats;
1123         struct qlcnic_cmd_args cmd;
1124         size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
1125         dma_addr_t stats_dma_t;
1126         void *stats_addr;
1127         int err;
1128
1129         if (mac_stats == NULL)
1130                 return -ENOMEM;
1131
1132         stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size,
1133                                          &stats_dma_t, GFP_KERNEL);
1134         if (!stats_addr)
1135                 return -ENOMEM;
1136
1137         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS);
1138         if (err)
1139                 goto out_free_dma;
1140
1141         cmd.req.arg[1] = stats_size << 16;
1142         cmd.req.arg[2] = MSD(stats_dma_t);
1143         cmd.req.arg[3] = LSD(stats_dma_t);
1144         err = qlcnic_issue_cmd(adapter, &cmd);
1145         if (!err) {
1146                 stats = stats_addr;
1147                 mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
1148                 mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
1149                 mac_stats->mac_tx_mcast_pkts =
1150                                         le64_to_cpu(stats->mac_tx_mcast_pkts);
1151                 mac_stats->mac_tx_bcast_pkts =
1152                                         le64_to_cpu(stats->mac_tx_bcast_pkts);
1153                 mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
1154                 mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
1155                 mac_stats->mac_rx_mcast_pkts =
1156                                         le64_to_cpu(stats->mac_rx_mcast_pkts);
1157                 mac_stats->mac_rx_length_error =
1158                                 le64_to_cpu(stats->mac_rx_length_error);
1159                 mac_stats->mac_rx_length_small =
1160                                 le64_to_cpu(stats->mac_rx_length_small);
1161                 mac_stats->mac_rx_length_large =
1162                                 le64_to_cpu(stats->mac_rx_length_large);
1163                 mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
1164                 mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
1165                 mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
1166         } else {
1167                 dev_err(&adapter->pdev->dev,
1168                         "%s: Get mac stats failed, err=%d.\n", __func__, err);
1169         }
1170
1171         qlcnic_free_mbx_args(&cmd);
1172
1173 out_free_dma:
1174         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1175                           stats_dma_t);
1176
1177         return err;
1178 }
1179
1180 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
1181                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1182
1183         struct __qlcnic_esw_statistics port_stats;
1184         u8 i;
1185         int ret = -EIO;
1186
1187         if (esw_stats == NULL)
1188                 return -ENOMEM;
1189         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1190                 return -EIO;
1191         if (adapter->npars == NULL)
1192                 return -EIO;
1193
1194         memset(esw_stats, 0, sizeof(u64));
1195         esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
1196         esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
1197         esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
1198         esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
1199         esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
1200         esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
1201         esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
1202         esw_stats->context_id = eswitch;
1203
1204         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1205                 if (adapter->npars[i].phy_port != eswitch)
1206                         continue;
1207
1208                 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
1209                 if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
1210                                           rx_tx, &port_stats))
1211                         continue;
1212
1213                 esw_stats->size = port_stats.size;
1214                 esw_stats->version = port_stats.version;
1215                 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
1216                                                 port_stats.unicast_frames);
1217                 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
1218                                                 port_stats.multicast_frames);
1219                 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
1220                                                 port_stats.broadcast_frames);
1221                 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
1222                                                 port_stats.dropped_frames);
1223                 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
1224                                                 port_stats.errors);
1225                 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
1226                                                 port_stats.local_frames);
1227                 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
1228                                                 port_stats.numbytes);
1229                 ret = 0;
1230         }
1231         return ret;
1232 }
1233
1234 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
1235                 const u8 port, const u8 rx_tx)
1236 {
1237         int err;
1238         u32 arg1;
1239         struct qlcnic_cmd_args cmd;
1240
1241         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1242                 return -EIO;
1243
1244         if (func_esw == QLCNIC_STATS_PORT) {
1245                 if (port >= QLCNIC_MAX_PCI_FUNC)
1246                         goto err_ret;
1247         } else if (func_esw == QLCNIC_STATS_ESWITCH) {
1248                 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
1249                         goto err_ret;
1250         } else {
1251                 goto err_ret;
1252         }
1253
1254         if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
1255                 goto err_ret;
1256
1257         arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
1258         arg1 |= BIT_14 | rx_tx << 15;
1259
1260         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1261                                     QLCNIC_CMD_GET_ESWITCH_STATS);
1262         if (err)
1263                 return err;
1264
1265         cmd.req.arg[1] = arg1;
1266         err = qlcnic_issue_cmd(adapter, &cmd);
1267         qlcnic_free_mbx_args(&cmd);
1268         return err;
1269
1270 err_ret:
1271         dev_err(&adapter->pdev->dev,
1272                 "Invalid args func_esw %d port %d rx_ctx %d\n",
1273                 func_esw, port, rx_tx);
1274         return -EIO;
1275 }
1276
1277 static int __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1278                                             u32 *arg1, u32 *arg2)
1279 {
1280         struct device *dev = &adapter->pdev->dev;
1281         struct qlcnic_cmd_args cmd;
1282         u8 pci_func = *arg1 >> 8;
1283         int err;
1284
1285         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1286                                     QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG);
1287         if (err)
1288                 return err;
1289
1290         cmd.req.arg[1] = *arg1;
1291         err = qlcnic_issue_cmd(adapter, &cmd);
1292         *arg1 = cmd.rsp.arg[1];
1293         *arg2 = cmd.rsp.arg[2];
1294         qlcnic_free_mbx_args(&cmd);
1295
1296         if (err == QLCNIC_RCODE_SUCCESS)
1297                 dev_info(dev, "Get eSwitch port config for vNIC function %d\n",
1298                          pci_func);
1299         else
1300                 dev_err(dev, "Failed to get eswitch port config for vNIC function %d\n",
1301                         pci_func);
1302         return err;
1303 }
1304 /* Configure eSwitch port
1305 op_mode = 0 for setting default port behavior
1306 op_mode = 1 for setting  vlan id
1307 op_mode = 2 for deleting vlan id
1308 op_type = 0 for vlan_id
1309 op_type = 1 for port vlan_id
1310 */
1311 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1312                 struct qlcnic_esw_func_cfg *esw_cfg)
1313 {
1314         struct device *dev = &adapter->pdev->dev;
1315         struct qlcnic_cmd_args cmd;
1316         int err = -EIO, index;
1317         u32 arg1, arg2 = 0;
1318         u8 pci_func;
1319
1320         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1321                 return err;
1322         pci_func = esw_cfg->pci_func;
1323         index = qlcnic_is_valid_nic_func(adapter, pci_func);
1324         if (index < 0)
1325                 return err;
1326         arg1 = (adapter->npars[index].phy_port & BIT_0);
1327         arg1 |= (pci_func << 8);
1328
1329         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1330                 return err;
1331         arg1 &= ~(0x0ff << 8);
1332         arg1 |= (pci_func << 8);
1333         arg1 &= ~(BIT_2 | BIT_3);
1334         switch (esw_cfg->op_mode) {
1335         case QLCNIC_PORT_DEFAULTS:
1336                 arg1 |= (BIT_4 | BIT_6 | BIT_7);
1337                 arg2 |= (BIT_0 | BIT_1);
1338                 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1339                         arg2 |= (BIT_2 | BIT_3);
1340                 if (!(esw_cfg->discard_tagged))
1341                         arg1 &= ~BIT_4;
1342                 if (!(esw_cfg->promisc_mode))
1343                         arg1 &= ~BIT_6;
1344                 if (!(esw_cfg->mac_override))
1345                         arg1 &= ~BIT_7;
1346                 if (!(esw_cfg->mac_anti_spoof))
1347                         arg2 &= ~BIT_0;
1348                 if (!(esw_cfg->offload_flags & BIT_0))
1349                         arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1350                 if (!(esw_cfg->offload_flags & BIT_1))
1351                         arg2 &= ~BIT_2;
1352                 if (!(esw_cfg->offload_flags & BIT_2))
1353                         arg2 &= ~BIT_3;
1354                 break;
1355         case QLCNIC_ADD_VLAN:
1356                         arg1 |= (BIT_2 | BIT_5);
1357                         arg1 |= (esw_cfg->vlan_id << 16);
1358                         break;
1359         case QLCNIC_DEL_VLAN:
1360                         arg1 |= (BIT_3 | BIT_5);
1361                         arg1 &= ~(0x0ffff << 16);
1362                         break;
1363         default:
1364                 return err;
1365         }
1366
1367         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1368                                     QLCNIC_CMD_CONFIGURE_ESWITCH);
1369         if (err)
1370                 return err;
1371
1372         cmd.req.arg[1] = arg1;
1373         cmd.req.arg[2] = arg2;
1374         err = qlcnic_issue_cmd(adapter, &cmd);
1375         qlcnic_free_mbx_args(&cmd);
1376
1377         if (err != QLCNIC_RCODE_SUCCESS)
1378                 dev_err(dev, "Failed to configure eswitch for vNIC function %d\n",
1379                         pci_func);
1380         else
1381                 dev_info(dev, "Configured eSwitch for vNIC function %d\n",
1382                          pci_func);
1383
1384         return err;
1385 }
1386
1387 int
1388 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1389                         struct qlcnic_esw_func_cfg *esw_cfg)
1390 {
1391         u32 arg1, arg2;
1392         int index;
1393         u8 phy_port;
1394
1395         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
1396                 index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
1397                 if (index < 0)
1398                         return -EIO;
1399                 phy_port = adapter->npars[index].phy_port;
1400         } else {
1401                 phy_port = adapter->ahw->physical_port;
1402         }
1403         arg1 = phy_port;
1404         arg1 |= (esw_cfg->pci_func << 8);
1405         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1406                 return -EIO;
1407
1408         esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1409         esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1410         esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1411         esw_cfg->mac_override = !!(arg1 & BIT_7);
1412         esw_cfg->vlan_id = LSW(arg1 >> 16);
1413         esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1414         esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1415
1416         return 0;
1417 }