linux/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
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   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
  10static const struct qlcnic_mailbox_metadata qlcnic_mbx_tbl[] = {
  11        {QLCNIC_CMD_CREATE_RX_CTX, 4, 1},
  12        {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1},
  13        {QLCNIC_CMD_CREATE_TX_CTX, 4, 1},
  14        {QLCNIC_CMD_DESTROY_TX_CTX, 3, 1},
  15        {QLCNIC_CMD_INTRPT_TEST, 4, 1},
  16        {QLCNIC_CMD_SET_MTU, 4, 1},
  17        {QLCNIC_CMD_READ_PHY, 4, 2},
  18        {QLCNIC_CMD_WRITE_PHY, 5, 1},
  19        {QLCNIC_CMD_READ_HW_REG, 4, 1},
  20        {QLCNIC_CMD_GET_FLOW_CTL, 4, 2},
  21        {QLCNIC_CMD_SET_FLOW_CTL, 4, 1},
  22        {QLCNIC_CMD_READ_MAX_MTU, 4, 2},
  23        {QLCNIC_CMD_READ_MAX_LRO, 4, 2},
  24        {QLCNIC_CMD_MAC_ADDRESS, 4, 3},
  25        {QLCNIC_CMD_GET_PCI_INFO, 4, 1},
  26        {QLCNIC_CMD_GET_NIC_INFO, 4, 1},
  27        {QLCNIC_CMD_SET_NIC_INFO, 4, 1},
  28        {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3},
  29        {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1},
  30        {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3},
  31        {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1},
  32        {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1},
  33        {QLCNIC_CMD_GET_MAC_STATS, 4, 1},
  34        {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3},
  35        {QLCNIC_CMD_GET_ESWITCH_STATS, 4, 1},
  36        {QLCNIC_CMD_CONFIG_PORT, 4, 1},
  37        {QLCNIC_CMD_TEMP_SIZE, 4, 4},
  38        {QLCNIC_CMD_GET_TEMP_HDR, 4, 1},
  39        {QLCNIC_CMD_82XX_SET_DRV_VER, 4, 1},
  40        {QLCNIC_CMD_GET_LED_STATUS, 4, 2},
  41        {QLCNIC_CMD_MQ_TX_CONFIG_INTR, 2, 3},
  42        {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2},
  43        {QLCNIC_CMD_DCB_QUERY_PARAM, 4, 1},
  44};
  45
  46static 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 */
  53int 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                        mbx->req.arg[0] = type;
  77                        break;
  78                }
  79        }
  80        return 0;
  81}
  82
  83/* Free up mailbox registers */
  84void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd)
  85{
  86        kfree(cmd->req.arg);
  87        cmd->req.arg = NULL;
  88        kfree(cmd->rsp.arg);
  89        cmd->rsp.arg = NULL;
  90}
  91
  92static u32
  93qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
  94{
  95        u32 rsp;
  96        int timeout = 0, err = 0;
  97
  98        do {
  99                /* give atleast 1ms for firmware to respond */
 100                mdelay(1);
 101
 102                if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
 103                        return QLCNIC_CDRP_RSP_TIMEOUT;
 104
 105                rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET, &err);
 106        } while (!QLCNIC_CDRP_IS_RSP(rsp));
 107
 108        return rsp;
 109}
 110
 111int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter,
 112                          struct qlcnic_cmd_args *cmd)
 113{
 114        int i, err = 0;
 115        u32 rsp;
 116        u32 signature;
 117        struct pci_dev *pdev = adapter->pdev;
 118        struct qlcnic_hardware_context *ahw = adapter->ahw;
 119        const char *fmt;
 120
 121        signature = qlcnic_get_cmd_signature(ahw);
 122
 123        /* Acquire semaphore before accessing CRB */
 124        if (qlcnic_api_lock(adapter)) {
 125                cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 126                return cmd->rsp.arg[0];
 127        }
 128
 129        QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
 130        for (i = 1; i < cmd->req.num; i++)
 131                QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]);
 132        QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
 133                QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0]));
 134        rsp = qlcnic_poll_rsp(adapter);
 135
 136        if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
 137                dev_err(&pdev->dev, "command timeout, response = 0x%x\n", rsp);
 138                cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 139        } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
 140                cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1), &err);
 141                switch (cmd->rsp.arg[0]) {
 142                case QLCNIC_RCODE_INVALID_ARGS:
 143                        fmt = "CDRP invalid args: [%d]\n";
 144                        break;
 145                case QLCNIC_RCODE_NOT_SUPPORTED:
 146                case QLCNIC_RCODE_NOT_IMPL:
 147                        fmt = "CDRP command not supported: [%d]\n";
 148                        break;
 149                case QLCNIC_RCODE_NOT_PERMITTED:
 150                        fmt = "CDRP requested action not permitted: [%d]\n";
 151                        break;
 152                case QLCNIC_RCODE_INVALID:
 153                        fmt = "CDRP invalid or unknown cmd received: [%d]\n";
 154                        break;
 155                case QLCNIC_RCODE_TIMEOUT:
 156                        fmt = "CDRP command timeout: [%d]\n";
 157                        break;
 158                default:
 159                        fmt = "CDRP command failed: [%d]\n";
 160                        break;
 161                }
 162                dev_err(&pdev->dev, fmt, cmd->rsp.arg[0]);
 163                qlcnic_dump_mbx(adapter, cmd);
 164        } else if (rsp == QLCNIC_CDRP_RSP_OK)
 165                cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS;
 166
 167        for (i = 1; i < cmd->rsp.num; i++)
 168                cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i), &err);
 169
 170        /* Release semaphore */
 171        qlcnic_api_unlock(adapter);
 172        return cmd->rsp.arg[0];
 173}
 174
 175int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter, u32 fw_cmd)
 176{
 177        struct qlcnic_cmd_args cmd;
 178        u32 arg1, arg2, arg3;
 179        char drv_string[12];
 180        int err = 0;
 181
 182        memset(drv_string, 0, sizeof(drv_string));
 183        snprintf(drv_string, sizeof(drv_string), "%d"".""%d"".""%d",
 184                 _QLCNIC_LINUX_MAJOR, _QLCNIC_LINUX_MINOR,
 185                 _QLCNIC_LINUX_SUBVERSION);
 186
 187        err = qlcnic_alloc_mbx_args(&cmd, adapter, fw_cmd);
 188        if (err)
 189                return err;
 190
 191        memcpy(&arg1, drv_string, sizeof(u32));
 192        memcpy(&arg2, drv_string + 4, sizeof(u32));
 193        memcpy(&arg3, drv_string + 8, sizeof(u32));
 194
 195        cmd.req.arg[1] = arg1;
 196        cmd.req.arg[2] = arg2;
 197        cmd.req.arg[3] = arg3;
 198
 199        err = qlcnic_issue_cmd(adapter, &cmd);
 200        if (err) {
 201                dev_info(&adapter->pdev->dev,
 202                         "Failed to set driver version in firmware\n");
 203                err = -EIO;
 204        }
 205        qlcnic_free_mbx_args(&cmd);
 206        return err;
 207}
 208
 209int
 210qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
 211{
 212        int err = 0;
 213        struct qlcnic_cmd_args cmd;
 214        struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 215
 216        if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE)
 217                return err;
 218        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU);
 219        if (err)
 220                return err;
 221
 222        cmd.req.arg[1] = recv_ctx->context_id;
 223        cmd.req.arg[2] = mtu;
 224
 225        err = qlcnic_issue_cmd(adapter, &cmd);
 226        if (err) {
 227                dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
 228                err = -EIO;
 229        }
 230        qlcnic_free_mbx_args(&cmd);
 231        return err;
 232}
 233
 234int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 235{
 236        struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 237        struct qlcnic_hardware_context *ahw = adapter->ahw;
 238        dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
 239        struct net_device *netdev = adapter->netdev;
 240        u32 temp_intr_crb_mode, temp_rds_crb_mode;
 241        struct qlcnic_cardrsp_rds_ring *prsp_rds;
 242        struct qlcnic_cardrsp_sds_ring *prsp_sds;
 243        struct qlcnic_hostrq_rds_ring *prq_rds;
 244        struct qlcnic_hostrq_sds_ring *prq_sds;
 245        struct qlcnic_host_rds_ring *rds_ring;
 246        struct qlcnic_host_sds_ring *sds_ring;
 247        struct qlcnic_cardrsp_rx_ctx *prsp;
 248        struct qlcnic_hostrq_rx_ctx *prq;
 249        u8 i, nrds_rings, nsds_rings;
 250        struct qlcnic_cmd_args cmd;
 251        size_t rq_size, rsp_size;
 252        u32 cap, reg, val, reg2;
 253        u64 phys_addr;
 254        u16 temp_u16;
 255        void *addr;
 256        int err;
 257
 258        nrds_rings = adapter->max_rds_rings;
 259        nsds_rings = adapter->drv_sds_rings;
 260
 261        rq_size = SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
 262                                   nsds_rings);
 263        rsp_size = SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
 264                                     nsds_rings);
 265
 266        addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 267                                  &hostrq_phys_addr, GFP_KERNEL);
 268        if (addr == NULL)
 269                return -ENOMEM;
 270        prq = addr;
 271
 272        addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 273                        &cardrsp_phys_addr, GFP_KERNEL);
 274        if (addr == NULL) {
 275                err = -ENOMEM;
 276                goto out_free_rq;
 277        }
 278        prsp = addr;
 279
 280        prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
 281
 282        cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
 283                                                | QLCNIC_CAP0_VALIDOFF);
 284        cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
 285
 286        if (qlcnic_check_multi_tx(adapter) &&
 287            !adapter->ahw->diag_test) {
 288                cap |= QLCNIC_CAP0_TX_MULTI;
 289        } else {
 290                temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler);
 291                prq->valid_field_offset = cpu_to_le16(temp_u16);
 292                prq->txrx_sds_binding = nsds_rings - 1;
 293                temp_intr_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
 294                prq->host_int_crb_mode = cpu_to_le32(temp_intr_crb_mode);
 295                temp_rds_crb_mode = QLCNIC_HOST_RDS_CRB_MODE_UNIQUE;
 296                prq->host_rds_crb_mode = cpu_to_le32(temp_rds_crb_mode);
 297        }
 298
 299        prq->capabilities[0] = cpu_to_le32(cap);
 300
 301        prq->num_rds_rings = cpu_to_le16(nrds_rings);
 302        prq->num_sds_rings = cpu_to_le16(nsds_rings);
 303        prq->rds_ring_offset = 0;
 304
 305        val = le32_to_cpu(prq->rds_ring_offset) +
 306                (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
 307        prq->sds_ring_offset = cpu_to_le32(val);
 308
 309        prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
 310                        le32_to_cpu(prq->rds_ring_offset));
 311
 312        for (i = 0; i < nrds_rings; i++) {
 313                rds_ring = &recv_ctx->rds_rings[i];
 314                rds_ring->producer = 0;
 315                prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
 316                prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
 317                prq_rds[i].ring_kind = cpu_to_le32(i);
 318                prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
 319        }
 320
 321        prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
 322                        le32_to_cpu(prq->sds_ring_offset));
 323
 324        for (i = 0; i < nsds_rings; i++) {
 325                sds_ring = &recv_ctx->sds_rings[i];
 326                sds_ring->consumer = 0;
 327                memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
 328                prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
 329                prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
 330                if (qlcnic_check_multi_tx(adapter) &&
 331                    !adapter->ahw->diag_test)
 332                        prq_sds[i].msi_index = cpu_to_le16(ahw->intr_tbl[i].id);
 333                else
 334                        prq_sds[i].msi_index = cpu_to_le16(i);
 335        }
 336
 337        phys_addr = hostrq_phys_addr;
 338        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX);
 339        if (err)
 340                goto out_free_rsp;
 341
 342        cmd.req.arg[1] = MSD(phys_addr);
 343        cmd.req.arg[2] = LSD(phys_addr);
 344        cmd.req.arg[3] = rq_size;
 345        err = qlcnic_issue_cmd(adapter, &cmd);
 346        if (err) {
 347                dev_err(&adapter->pdev->dev,
 348                        "Failed to create rx ctx in firmware%d\n", err);
 349                goto out_free_rsp;
 350        }
 351
 352        prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
 353                         &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
 354
 355        for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
 356                rds_ring = &recv_ctx->rds_rings[i];
 357                reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
 358                rds_ring->crb_rcv_producer = ahw->pci_base0 + reg;
 359        }
 360
 361        prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
 362                        &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
 363
 364        for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
 365                sds_ring = &recv_ctx->sds_rings[i];
 366                reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
 367                if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
 368                        reg2 = ahw->intr_tbl[i].src;
 369                else
 370                        reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
 371
 372                sds_ring->crb_intr_mask = ahw->pci_base0 + reg2;
 373                sds_ring->crb_sts_consumer = ahw->pci_base0 + reg;
 374        }
 375
 376        recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
 377        recv_ctx->context_id = le16_to_cpu(prsp->context_id);
 378        recv_ctx->virt_port = prsp->virt_port;
 379
 380        netdev_info(netdev, "Rx Context[%d] Created, state 0x%x\n",
 381                    recv_ctx->context_id, recv_ctx->state);
 382        qlcnic_free_mbx_args(&cmd);
 383
 384out_free_rsp:
 385        dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
 386                          cardrsp_phys_addr);
 387out_free_rq:
 388        dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
 389
 390        return err;
 391}
 392
 393void qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter)
 394{
 395        int err;
 396        struct qlcnic_cmd_args cmd;
 397        struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 398
 399        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX);
 400        if (err)
 401                return;
 402
 403        cmd.req.arg[1] = recv_ctx->context_id;
 404        err = qlcnic_issue_cmd(adapter, &cmd);
 405        if (err)
 406                dev_err(&adapter->pdev->dev,
 407                        "Failed to destroy rx ctx in firmware\n");
 408
 409        recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 410        qlcnic_free_mbx_args(&cmd);
 411}
 412
 413int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
 414                                     struct qlcnic_host_tx_ring *tx_ring,
 415                                     int ring)
 416{
 417        struct qlcnic_hardware_context *ahw = adapter->ahw;
 418        struct net_device *netdev = adapter->netdev;
 419        struct qlcnic_hostrq_tx_ctx     *prq;
 420        struct qlcnic_hostrq_cds_ring   *prq_cds;
 421        struct qlcnic_cardrsp_tx_ctx    *prsp;
 422        struct qlcnic_cmd_args cmd;
 423        u32 temp, intr_mask, temp_int_crb_mode;
 424        dma_addr_t rq_phys_addr, rsp_phys_addr;
 425        int temp_nsds_rings, index, err;
 426        void *rq_addr, *rsp_addr;
 427        size_t rq_size, rsp_size;
 428        u64 phys_addr;
 429        u16 msix_id;
 430
 431        /* reset host resources */
 432        tx_ring->producer = 0;
 433        tx_ring->sw_consumer = 0;
 434        *(tx_ring->hw_consumer) = 0;
 435
 436        rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
 437        rq_addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 438                                     &rq_phys_addr, GFP_KERNEL);
 439        if (!rq_addr)
 440                return -ENOMEM;
 441
 442        rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
 443        rsp_addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 444                                      &rsp_phys_addr, GFP_KERNEL);
 445        if (!rsp_addr) {
 446                err = -ENOMEM;
 447                goto out_free_rq;
 448        }
 449
 450        prq = rq_addr;
 451        prsp = rsp_addr;
 452
 453        prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 454
 455        temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 456                QLCNIC_CAP0_LSO);
 457        if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
 458                temp |= QLCNIC_CAP0_TX_MULTI;
 459
 460        prq->capabilities[0] = cpu_to_le32(temp);
 461
 462        if (qlcnic_check_multi_tx(adapter) &&
 463            !adapter->ahw->diag_test) {
 464                temp_nsds_rings = adapter->drv_sds_rings;
 465                index = temp_nsds_rings + ring;
 466                msix_id = ahw->intr_tbl[index].id;
 467                prq->msi_index = cpu_to_le16(msix_id);
 468        } else {
 469                temp_int_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
 470                prq->host_int_crb_mode = cpu_to_le32(temp_int_crb_mode);
 471                prq->msi_index = 0;
 472        }
 473
 474        prq->interrupt_ctl = 0;
 475        prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 476
 477        prq_cds = &prq->cds_ring;
 478
 479        prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 480        prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 481
 482        phys_addr = rq_phys_addr;
 483
 484        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
 485        if (err)
 486                goto out_free_rsp;
 487
 488        cmd.req.arg[1] = MSD(phys_addr);
 489        cmd.req.arg[2] = LSD(phys_addr);
 490        cmd.req.arg[3] = rq_size;
 491        err = qlcnic_issue_cmd(adapter, &cmd);
 492
 493        if (err == QLCNIC_RCODE_SUCCESS) {
 494                tx_ring->state = le32_to_cpu(prsp->host_ctx_state);
 495                temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 496                tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
 497                tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
 498                if (qlcnic_check_multi_tx(adapter) &&
 499                    !adapter->ahw->diag_test &&
 500                    (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 501                        index = adapter->drv_sds_rings + ring;
 502                        intr_mask = ahw->intr_tbl[index].src;
 503                        tx_ring->crb_intr_mask = ahw->pci_base0 + intr_mask;
 504                }
 505
 506                netdev_info(netdev, "Tx Context[0x%x] Created, state 0x%x\n",
 507                            tx_ring->ctx_id, tx_ring->state);
 508        } else {
 509                netdev_err(netdev, "Failed to create tx ctx in firmware%d\n",
 510                           err);
 511                err = -EIO;
 512        }
 513        qlcnic_free_mbx_args(&cmd);
 514
 515out_free_rsp:
 516        dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
 517                          rsp_phys_addr);
 518out_free_rq:
 519        dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
 520
 521        return err;
 522}
 523
 524void qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter,
 525                                   struct qlcnic_host_tx_ring *tx_ring)
 526{
 527        struct qlcnic_cmd_args cmd;
 528        int ret;
 529
 530        ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
 531        if (ret)
 532                return;
 533
 534        cmd.req.arg[1] = tx_ring->ctx_id;
 535        if (qlcnic_issue_cmd(adapter, &cmd))
 536                dev_err(&adapter->pdev->dev,
 537                        "Failed to destroy tx ctx in firmware\n");
 538        qlcnic_free_mbx_args(&cmd);
 539}
 540
 541int
 542qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
 543{
 544        int err;
 545        struct qlcnic_cmd_args cmd;
 546
 547        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
 548        if (err)
 549                return err;
 550
 551        cmd.req.arg[1] = config;
 552        err = qlcnic_issue_cmd(adapter, &cmd);
 553        qlcnic_free_mbx_args(&cmd);
 554        return err;
 555}
 556
 557int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 558{
 559        void *addr;
 560        int err, ring;
 561        struct qlcnic_recv_context *recv_ctx;
 562        struct qlcnic_host_rds_ring *rds_ring;
 563        struct qlcnic_host_sds_ring *sds_ring;
 564        struct qlcnic_host_tx_ring *tx_ring;
 565        __le32 *ptr;
 566
 567        struct pci_dev *pdev = adapter->pdev;
 568
 569        recv_ctx = adapter->recv_ctx;
 570
 571        for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
 572                tx_ring = &adapter->tx_ring[ring];
 573                ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
 574                                                   &tx_ring->hw_cons_phys_addr,
 575                                                   GFP_KERNEL);
 576                if (ptr == NULL) {
 577                        err = -ENOMEM;
 578                        goto err_out_free;
 579                }
 580
 581                tx_ring->hw_consumer = ptr;
 582                /* cmd desc ring */
 583                addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
 584                                          &tx_ring->phys_addr,
 585                                          GFP_KERNEL);
 586                if (addr == NULL) {
 587                        err = -ENOMEM;
 588                        goto err_out_free;
 589                }
 590
 591                tx_ring->desc_head = addr;
 592        }
 593
 594        for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 595                rds_ring = &recv_ctx->rds_rings[ring];
 596                addr = dma_alloc_coherent(&adapter->pdev->dev,
 597                                          RCV_DESC_RINGSIZE(rds_ring),
 598                                          &rds_ring->phys_addr, GFP_KERNEL);
 599                if (addr == NULL) {
 600                        err = -ENOMEM;
 601                        goto err_out_free;
 602                }
 603                rds_ring->desc_head = addr;
 604
 605        }
 606
 607        for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
 608                sds_ring = &recv_ctx->sds_rings[ring];
 609
 610                addr = dma_alloc_coherent(&adapter->pdev->dev,
 611                                          STATUS_DESC_RINGSIZE(sds_ring),
 612                                          &sds_ring->phys_addr, GFP_KERNEL);
 613                if (addr == NULL) {
 614                        err = -ENOMEM;
 615                        goto err_out_free;
 616                }
 617                sds_ring->desc_head = addr;
 618        }
 619
 620        return 0;
 621
 622err_out_free:
 623        qlcnic_free_hw_resources(adapter);
 624        return err;
 625}
 626
 627int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev)
 628{
 629        int i, err, ring;
 630
 631        if (dev->flags & QLCNIC_NEED_FLR) {
 632                pci_reset_function(dev->pdev);
 633                dev->flags &= ~QLCNIC_NEED_FLR;
 634        }
 635
 636        if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 637                if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
 638                        err = qlcnic_83xx_config_intrpt(dev, 1);
 639                        if (err)
 640                                return err;
 641                }
 642        }
 643
 644        if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
 645            qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test) {
 646                err = qlcnic_82xx_mq_intrpt(dev, 1);
 647                if (err)
 648                        return err;
 649        }
 650
 651        err = qlcnic_fw_cmd_create_rx_ctx(dev);
 652        if (err)
 653                goto err_out;
 654
 655        for (ring = 0; ring < dev->drv_tx_rings; ring++) {
 656                err = qlcnic_fw_cmd_create_tx_ctx(dev,
 657                                                  &dev->tx_ring[ring],
 658                                                  ring);
 659                if (err) {
 660                        qlcnic_fw_cmd_del_rx_ctx(dev);
 661                        if (ring == 0)
 662                                goto err_out;
 663
 664                        for (i = 0; i < ring; i++)
 665                                qlcnic_fw_cmd_del_tx_ctx(dev, &dev->tx_ring[i]);
 666
 667                        goto err_out;
 668                }
 669        }
 670
 671        set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
 672
 673        return 0;
 674
 675err_out:
 676        if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
 677            qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test)
 678                        qlcnic_82xx_config_intrpt(dev, 0);
 679
 680        if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 681                if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 682                        qlcnic_83xx_config_intrpt(dev, 0);
 683        }
 684
 685        return err;
 686}
 687
 688void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 689{
 690        int ring;
 691
 692        if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 693                qlcnic_fw_cmd_del_rx_ctx(adapter);
 694                for (ring = 0; ring < adapter->drv_tx_rings; ring++)
 695                        qlcnic_fw_cmd_del_tx_ctx(adapter,
 696                                                 &adapter->tx_ring[ring]);
 697
 698                if (qlcnic_82xx_check(adapter) &&
 699                    (adapter->flags & QLCNIC_MSIX_ENABLED) &&
 700                    qlcnic_check_multi_tx(adapter) &&
 701                    !adapter->ahw->diag_test)
 702                                qlcnic_82xx_config_intrpt(adapter, 0);
 703
 704                if (qlcnic_83xx_check(adapter) &&
 705                    (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 706                        if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 707                                qlcnic_83xx_config_intrpt(adapter, 0);
 708                }
 709                /* Allow dma queues to drain after context reset */
 710                mdelay(20);
 711        }
 712}
 713
 714void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 715{
 716        struct qlcnic_recv_context *recv_ctx;
 717        struct qlcnic_host_rds_ring *rds_ring;
 718        struct qlcnic_host_sds_ring *sds_ring;
 719        struct qlcnic_host_tx_ring *tx_ring;
 720        int ring;
 721
 722        recv_ctx = adapter->recv_ctx;
 723
 724        for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
 725                tx_ring = &adapter->tx_ring[ring];
 726                if (tx_ring->hw_consumer != NULL) {
 727                        dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
 728                                          tx_ring->hw_consumer,
 729                                          tx_ring->hw_cons_phys_addr);
 730
 731                        tx_ring->hw_consumer = NULL;
 732                }
 733
 734                if (tx_ring->desc_head != NULL) {
 735                        dma_free_coherent(&adapter->pdev->dev,
 736                                          TX_DESC_RINGSIZE(tx_ring),
 737                                          tx_ring->desc_head,
 738                                          tx_ring->phys_addr);
 739                        tx_ring->desc_head = NULL;
 740                }
 741        }
 742
 743        for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 744                rds_ring = &recv_ctx->rds_rings[ring];
 745
 746                if (rds_ring->desc_head != NULL) {
 747                        dma_free_coherent(&adapter->pdev->dev,
 748                                        RCV_DESC_RINGSIZE(rds_ring),
 749                                        rds_ring->desc_head,
 750                                        rds_ring->phys_addr);
 751                        rds_ring->desc_head = NULL;
 752                }
 753        }
 754
 755        for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
 756                sds_ring = &recv_ctx->sds_rings[ring];
 757
 758                if (sds_ring->desc_head != NULL) {
 759                        dma_free_coherent(&adapter->pdev->dev,
 760                                STATUS_DESC_RINGSIZE(sds_ring),
 761                                sds_ring->desc_head,
 762                                sds_ring->phys_addr);
 763                        sds_ring->desc_head = NULL;
 764                }
 765        }
 766}
 767
 768int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type)
 769{
 770        struct qlcnic_hardware_context *ahw = adapter->ahw;
 771        struct net_device *netdev = adapter->netdev;
 772        struct qlcnic_cmd_args cmd;
 773        u32 type, val;
 774        int i, err = 0;
 775
 776        for (i = 0; i < ahw->num_msix; i++) {
 777                err = qlcnic_alloc_mbx_args(&cmd, adapter,
 778                                            QLCNIC_CMD_MQ_TX_CONFIG_INTR);
 779                if (err)
 780                        return err;
 781                type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
 782                val = type | (ahw->intr_tbl[i].type << 4);
 783                if (ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)
 784                        val |= (ahw->intr_tbl[i].id << 16);
 785                cmd.req.arg[1] = val;
 786                err = qlcnic_issue_cmd(adapter, &cmd);
 787                if (err) {
 788                        netdev_err(netdev, "Failed to %s interrupts %d\n",
 789                                   op_type == QLCNIC_INTRPT_ADD ? "Add" :
 790                                   "Delete", err);
 791                        qlcnic_free_mbx_args(&cmd);
 792                        return err;
 793                }
 794                val = cmd.rsp.arg[1];
 795                if (LSB(val)) {
 796                        netdev_info(netdev,
 797                                    "failed to configure interrupt for %d\n",
 798                                    ahw->intr_tbl[i].id);
 799                        continue;
 800                }
 801                if (op_type) {
 802                        ahw->intr_tbl[i].id = MSW(val);
 803                        ahw->intr_tbl[i].enabled = 1;
 804                        ahw->intr_tbl[i].src = cmd.rsp.arg[2];
 805                } else {
 806                        ahw->intr_tbl[i].id = i;
 807                        ahw->intr_tbl[i].enabled = 0;
 808                        ahw->intr_tbl[i].src = 0;
 809                }
 810                qlcnic_free_mbx_args(&cmd);
 811        }
 812
 813        return err;
 814}
 815
 816int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac,
 817                                u8 function)
 818{
 819        int err, i;
 820        struct qlcnic_cmd_args cmd;
 821        u32 mac_low, mac_high;
 822
 823        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
 824        if (err)
 825                return err;
 826
 827        cmd.req.arg[1] = function | BIT_8;
 828        err = qlcnic_issue_cmd(adapter, &cmd);
 829
 830        if (err == QLCNIC_RCODE_SUCCESS) {
 831                mac_low = cmd.rsp.arg[1];
 832                mac_high = cmd.rsp.arg[2];
 833
 834                for (i = 0; i < 2; i++)
 835                        mac[i] = (u8) (mac_high >> ((1 - i) * 8));
 836                for (i = 2; i < 6; i++)
 837                        mac[i] = (u8) (mac_low >> ((5 - i) * 8));
 838        } else {
 839                dev_err(&adapter->pdev->dev,
 840                        "Failed to get mac address%d\n", err);
 841                err = -EIO;
 842        }
 843        qlcnic_free_mbx_args(&cmd);
 844        return err;
 845}
 846
 847/* Get info of a NIC partition */
 848int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
 849                             struct qlcnic_info *npar_info, u8 func_id)
 850{
 851        int     err;
 852        dma_addr_t nic_dma_t;
 853        const struct qlcnic_info_le *nic_info;
 854        void *nic_info_addr;
 855        struct qlcnic_cmd_args cmd;
 856        size_t  nic_size = sizeof(struct qlcnic_info_le);
 857
 858        nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 859                                           &nic_dma_t, GFP_KERNEL);
 860        if (!nic_info_addr)
 861                return -ENOMEM;
 862
 863        nic_info = nic_info_addr;
 864
 865        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
 866        if (err)
 867                goto out_free_dma;
 868
 869        cmd.req.arg[1] = MSD(nic_dma_t);
 870        cmd.req.arg[2] = LSD(nic_dma_t);
 871        cmd.req.arg[3] = (func_id << 16 | nic_size);
 872        err = qlcnic_issue_cmd(adapter, &cmd);
 873        if (err != QLCNIC_RCODE_SUCCESS) {
 874                dev_err(&adapter->pdev->dev,
 875                        "Failed to get nic info%d\n", err);
 876                err = -EIO;
 877        } else {
 878                npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
 879                npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
 880                npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 881                npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 882                npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
 883                npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
 884                npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 885                npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 886                npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
 887                npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 888        }
 889
 890        qlcnic_free_mbx_args(&cmd);
 891out_free_dma:
 892        dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 893                          nic_dma_t);
 894
 895        return err;
 896}
 897
 898/* Configure a NIC partition */
 899int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter,
 900                             struct qlcnic_info *nic)
 901{
 902        int err = -EIO;
 903        dma_addr_t nic_dma_t;
 904        void *nic_info_addr;
 905        struct qlcnic_cmd_args cmd;
 906        struct qlcnic_info_le *nic_info;
 907        size_t nic_size = sizeof(struct qlcnic_info_le);
 908
 909        if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
 910                return err;
 911
 912        nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 913                                           &nic_dma_t, GFP_KERNEL);
 914        if (!nic_info_addr)
 915                return -ENOMEM;
 916
 917        nic_info = nic_info_addr;
 918
 919        nic_info->pci_func = cpu_to_le16(nic->pci_func);
 920        nic_info->op_mode = cpu_to_le16(nic->op_mode);
 921        nic_info->phys_port = cpu_to_le16(nic->phys_port);
 922        nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 923        nic_info->capabilities = cpu_to_le32(nic->capabilities);
 924        nic_info->max_mac_filters = nic->max_mac_filters;
 925        nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 926        nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 927        nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 928        nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 929
 930        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
 931        if (err)
 932                goto out_free_dma;
 933
 934        cmd.req.arg[1] = MSD(nic_dma_t);
 935        cmd.req.arg[2] = LSD(nic_dma_t);
 936        cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size);
 937        err = qlcnic_issue_cmd(adapter, &cmd);
 938
 939        if (err != QLCNIC_RCODE_SUCCESS) {
 940                dev_err(&adapter->pdev->dev,
 941                        "Failed to set nic info%d\n", err);
 942                err = -EIO;
 943        }
 944
 945        qlcnic_free_mbx_args(&cmd);
 946out_free_dma:
 947        dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 948                          nic_dma_t);
 949
 950        return err;
 951}
 952
 953/* Get PCI Info of a partition */
 954int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter,
 955                             struct qlcnic_pci_info *pci_info)
 956{
 957        struct qlcnic_hardware_context *ahw = adapter->ahw;
 958        size_t npar_size = sizeof(struct qlcnic_pci_info_le);
 959        size_t pci_size = npar_size * ahw->max_vnic_func;
 960        u16 nic = 0, fcoe = 0, iscsi = 0;
 961        struct qlcnic_pci_info_le *npar;
 962        struct qlcnic_cmd_args cmd;
 963        dma_addr_t pci_info_dma_t;
 964        void *pci_info_addr;
 965        int err = 0, i;
 966
 967        pci_info_addr = dma_alloc_coherent(&adapter->pdev->dev, pci_size,
 968                                           &pci_info_dma_t, GFP_KERNEL);
 969        if (!pci_info_addr)
 970                return -ENOMEM;
 971
 972        npar = pci_info_addr;
 973        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
 974        if (err)
 975                goto out_free_dma;
 976
 977        cmd.req.arg[1] = MSD(pci_info_dma_t);
 978        cmd.req.arg[2] = LSD(pci_info_dma_t);
 979        cmd.req.arg[3] = pci_size;
 980        err = qlcnic_issue_cmd(adapter, &cmd);
 981
 982        ahw->total_nic_func = 0;
 983        if (err == QLCNIC_RCODE_SUCCESS) {
 984                for (i = 0; i < ahw->max_vnic_func; i++, npar++, pci_info++) {
 985                        pci_info->id = le16_to_cpu(npar->id);
 986                        pci_info->active = le16_to_cpu(npar->active);
 987                        if (!pci_info->active)
 988                                continue;
 989                        pci_info->type = le16_to_cpu(npar->type);
 990                        err = qlcnic_get_pci_func_type(adapter, pci_info->type,
 991                                                       &nic, &fcoe, &iscsi);
 992                        pci_info->default_port =
 993                                le16_to_cpu(npar->default_port);
 994                        pci_info->tx_min_bw =
 995                                le16_to_cpu(npar->tx_min_bw);
 996                        pci_info->tx_max_bw =
 997                                le16_to_cpu(npar->tx_max_bw);
 998                        memcpy(pci_info->mac, npar->mac, ETH_ALEN);
 999                }
1000        } else {
1001                dev_err(&adapter->pdev->dev,
1002                        "Failed to get PCI Info%d\n", err);
1003                err = -EIO;
1004        }
1005
1006        ahw->total_nic_func = nic;
1007        ahw->total_pci_func = nic + fcoe + iscsi;
1008        if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) {
1009                dev_err(&adapter->pdev->dev,
1010                        "%s: Invalid function count: total nic func[%x], total pci func[%x]\n",
1011                        __func__, ahw->total_nic_func, ahw->total_pci_func);
1012                err = -EIO;
1013        }
1014        qlcnic_free_mbx_args(&cmd);
1015out_free_dma:
1016        dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
1017                pci_info_dma_t);
1018
1019        return err;
1020}
1021
1022/* Configure eSwitch for port mirroring */
1023int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
1024                                 u8 enable_mirroring, u8 pci_func)
1025{
1026        struct device *dev = &adapter->pdev->dev;
1027        struct qlcnic_cmd_args cmd;
1028        int err = -EIO;
1029        u32 arg1;
1030
1031        if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
1032            !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE)) {
1033                dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
1034                        __func__);
1035                return err;
1036        }
1037
1038        arg1 = id | (enable_mirroring ? BIT_4 : 0);
1039        arg1 |= pci_func << 8;
1040
1041        err = qlcnic_alloc_mbx_args(&cmd, adapter,
1042                                    QLCNIC_CMD_SET_PORTMIRRORING);
1043        if (err)
1044                return err;
1045
1046        cmd.req.arg[1] = arg1;
1047        err = qlcnic_issue_cmd(adapter, &cmd);
1048
1049        if (err != QLCNIC_RCODE_SUCCESS)
1050                dev_err(dev, "Failed to configure port mirroring for vNIC function %d on eSwitch %d\n",
1051                        pci_func, id);
1052        else
1053                dev_info(dev, "Configured port mirroring for vNIC function %d on eSwitch %d\n",
1054                         pci_func, id);
1055        qlcnic_free_mbx_args(&cmd);
1056
1057        return err;
1058}
1059
1060int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
1061                const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1062
1063        size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
1064        struct qlcnic_esw_stats_le *stats;
1065        dma_addr_t stats_dma_t;
1066        void *stats_addr;
1067        u32 arg1;
1068        struct qlcnic_cmd_args cmd;
1069        int err;
1070
1071        if (esw_stats == NULL)
1072                return -ENOMEM;
1073
1074        if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
1075            (func != adapter->ahw->pci_func)) {
1076                dev_err(&adapter->pdev->dev,
1077                        "Not privilege to query stats for func=%d", func);
1078                return -EIO;
1079        }
1080
1081        stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
1082                                        &stats_dma_t, GFP_KERNEL);
1083        if (!stats_addr)
1084                return -ENOMEM;
1085
1086        arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
1087        arg1 |= rx_tx << 15 | stats_size << 16;
1088
1089        err = qlcnic_alloc_mbx_args(&cmd, adapter,
1090                                    QLCNIC_CMD_GET_ESWITCH_STATS);
1091        if (err)
1092                goto out_free_dma;
1093
1094        cmd.req.arg[1] = arg1;
1095        cmd.req.arg[2] = MSD(stats_dma_t);
1096        cmd.req.arg[3] = LSD(stats_dma_t);
1097        err = qlcnic_issue_cmd(adapter, &cmd);
1098
1099        if (!err) {
1100                stats = stats_addr;
1101                esw_stats->context_id = le16_to_cpu(stats->context_id);
1102                esw_stats->version = le16_to_cpu(stats->version);
1103                esw_stats->size = le16_to_cpu(stats->size);
1104                esw_stats->multicast_frames =
1105                                le64_to_cpu(stats->multicast_frames);
1106                esw_stats->broadcast_frames =
1107                                le64_to_cpu(stats->broadcast_frames);
1108                esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
1109                esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
1110                esw_stats->local_frames = le64_to_cpu(stats->local_frames);
1111                esw_stats->errors = le64_to_cpu(stats->errors);
1112                esw_stats->numbytes = le64_to_cpu(stats->numbytes);
1113        }
1114
1115        qlcnic_free_mbx_args(&cmd);
1116out_free_dma:
1117        dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1118                          stats_dma_t);
1119
1120        return err;
1121}
1122
1123/* This routine will retrieve the MAC statistics from firmware */
1124int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
1125                struct qlcnic_mac_statistics *mac_stats)
1126{
1127        struct qlcnic_mac_statistics_le *stats;
1128        struct qlcnic_cmd_args cmd;
1129        size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
1130        dma_addr_t stats_dma_t;
1131        void *stats_addr;
1132        int err;
1133
1134        if (mac_stats == NULL)
1135                return -ENOMEM;
1136
1137        stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
1138                                        &stats_dma_t, GFP_KERNEL);
1139        if (!stats_addr)
1140                return -ENOMEM;
1141
1142        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS);
1143        if (err)
1144                goto out_free_dma;
1145
1146        cmd.req.arg[1] = stats_size << 16;
1147        cmd.req.arg[2] = MSD(stats_dma_t);
1148        cmd.req.arg[3] = LSD(stats_dma_t);
1149        err = qlcnic_issue_cmd(adapter, &cmd);
1150        if (!err) {
1151                stats = stats_addr;
1152                mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
1153                mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
1154                mac_stats->mac_tx_mcast_pkts =
1155                                        le64_to_cpu(stats->mac_tx_mcast_pkts);
1156                mac_stats->mac_tx_bcast_pkts =
1157                                        le64_to_cpu(stats->mac_tx_bcast_pkts);
1158                mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
1159                mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
1160                mac_stats->mac_rx_mcast_pkts =
1161                                        le64_to_cpu(stats->mac_rx_mcast_pkts);
1162                mac_stats->mac_rx_length_error =
1163                                le64_to_cpu(stats->mac_rx_length_error);
1164                mac_stats->mac_rx_length_small =
1165                                le64_to_cpu(stats->mac_rx_length_small);
1166                mac_stats->mac_rx_length_large =
1167                                le64_to_cpu(stats->mac_rx_length_large);
1168                mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
1169                mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
1170                mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
1171        } else {
1172                dev_err(&adapter->pdev->dev,
1173                        "%s: Get mac stats failed, err=%d.\n", __func__, err);
1174        }
1175
1176        qlcnic_free_mbx_args(&cmd);
1177
1178out_free_dma:
1179        dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1180                          stats_dma_t);
1181
1182        return err;
1183}
1184
1185int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
1186                const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1187
1188        struct __qlcnic_esw_statistics port_stats;
1189        u8 i;
1190        int ret = -EIO;
1191
1192        if (esw_stats == NULL)
1193                return -ENOMEM;
1194        if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1195                return -EIO;
1196        if (adapter->npars == NULL)
1197                return -EIO;
1198
1199        memset(esw_stats, 0, sizeof(u64));
1200        esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
1201        esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
1202        esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
1203        esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
1204        esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
1205        esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
1206        esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
1207        esw_stats->context_id = eswitch;
1208
1209        for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1210                if (adapter->npars[i].phy_port != eswitch)
1211                        continue;
1212
1213                memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
1214                if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
1215                                          rx_tx, &port_stats))
1216                        continue;
1217
1218                esw_stats->size = port_stats.size;
1219                esw_stats->version = port_stats.version;
1220                QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
1221                                                port_stats.unicast_frames);
1222                QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
1223                                                port_stats.multicast_frames);
1224                QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
1225                                                port_stats.broadcast_frames);
1226                QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
1227                                                port_stats.dropped_frames);
1228                QLCNIC_ADD_ESW_STATS(esw_stats->errors,
1229                                                port_stats.errors);
1230                QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
1231                                                port_stats.local_frames);
1232                QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
1233                                                port_stats.numbytes);
1234                ret = 0;
1235        }
1236        return ret;
1237}
1238
1239int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
1240                const u8 port, const u8 rx_tx)
1241{
1242        struct qlcnic_hardware_context *ahw = adapter->ahw;
1243        struct qlcnic_cmd_args cmd;
1244        int err;
1245        u32 arg1;
1246
1247        if (ahw->op_mode != QLCNIC_MGMT_FUNC)
1248                return -EIO;
1249
1250        if (func_esw == QLCNIC_STATS_PORT) {
1251                if (port >= ahw->max_vnic_func)
1252                        goto err_ret;
1253        } else if (func_esw == QLCNIC_STATS_ESWITCH) {
1254                if (port >= QLCNIC_NIU_MAX_XG_PORTS)
1255                        goto err_ret;
1256        } else {
1257                goto err_ret;
1258        }
1259
1260        if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
1261                goto err_ret;
1262
1263        arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
1264        arg1 |= BIT_14 | rx_tx << 15;
1265
1266        err = qlcnic_alloc_mbx_args(&cmd, adapter,
1267                                    QLCNIC_CMD_GET_ESWITCH_STATS);
1268        if (err)
1269                return err;
1270
1271        cmd.req.arg[1] = arg1;
1272        err = qlcnic_issue_cmd(adapter, &cmd);
1273        qlcnic_free_mbx_args(&cmd);
1274        return err;
1275
1276err_ret:
1277        dev_err(&adapter->pdev->dev,
1278                "Invalid args func_esw %d port %d rx_ctx %d\n",
1279                func_esw, port, rx_tx);
1280        return -EIO;
1281}
1282
1283static int __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1284                                            u32 *arg1, u32 *arg2)
1285{
1286        struct device *dev = &adapter->pdev->dev;
1287        struct qlcnic_cmd_args cmd;
1288        u8 pci_func = *arg1 >> 8;
1289        int err;
1290
1291        err = qlcnic_alloc_mbx_args(&cmd, adapter,
1292                                    QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG);
1293        if (err)
1294                return err;
1295
1296        cmd.req.arg[1] = *arg1;
1297        err = qlcnic_issue_cmd(adapter, &cmd);
1298        *arg1 = cmd.rsp.arg[1];
1299        *arg2 = cmd.rsp.arg[2];
1300        qlcnic_free_mbx_args(&cmd);
1301
1302        if (err == QLCNIC_RCODE_SUCCESS)
1303                dev_info(dev, "Get eSwitch port config for vNIC function %d\n",
1304                         pci_func);
1305        else
1306                dev_err(dev, "Failed to get eswitch port config for vNIC function %d\n",
1307                        pci_func);
1308        return err;
1309}
1310/* Configure eSwitch port
1311op_mode = 0 for setting default port behavior
1312op_mode = 1 for setting  vlan id
1313op_mode = 2 for deleting vlan id
1314op_type = 0 for vlan_id
1315op_type = 1 for port vlan_id
1316*/
1317int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1318                struct qlcnic_esw_func_cfg *esw_cfg)
1319{
1320        struct device *dev = &adapter->pdev->dev;
1321        struct qlcnic_cmd_args cmd;
1322        int err = -EIO, index;
1323        u32 arg1, arg2 = 0;
1324        u8 pci_func;
1325
1326        if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
1327                dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
1328                        __func__);
1329                return err;
1330        }
1331
1332        pci_func = esw_cfg->pci_func;
1333        index = qlcnic_is_valid_nic_func(adapter, pci_func);
1334        if (index < 0)
1335                return err;
1336        arg1 = (adapter->npars[index].phy_port & BIT_0);
1337        arg1 |= (pci_func << 8);
1338
1339        if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1340                return err;
1341        arg1 &= ~(0x0ff << 8);
1342        arg1 |= (pci_func << 8);
1343        arg1 &= ~(BIT_2 | BIT_3);
1344        switch (esw_cfg->op_mode) {
1345        case QLCNIC_PORT_DEFAULTS:
1346                arg1 |= (BIT_4 | BIT_6 | BIT_7);
1347                arg2 |= (BIT_0 | BIT_1);
1348                if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1349                        arg2 |= (BIT_2 | BIT_3);
1350                if (!(esw_cfg->discard_tagged))
1351                        arg1 &= ~BIT_4;
1352                if (!(esw_cfg->promisc_mode))
1353                        arg1 &= ~BIT_6;
1354                if (!(esw_cfg->mac_override))
1355                        arg1 &= ~BIT_7;
1356                if (!(esw_cfg->mac_anti_spoof))
1357                        arg2 &= ~BIT_0;
1358                if (!(esw_cfg->offload_flags & BIT_0))
1359                        arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1360                if (!(esw_cfg->offload_flags & BIT_1))
1361                        arg2 &= ~BIT_2;
1362                if (!(esw_cfg->offload_flags & BIT_2))
1363                        arg2 &= ~BIT_3;
1364                break;
1365        case QLCNIC_ADD_VLAN:
1366                        arg1 &= ~(0x0ffff << 16);
1367                        arg1 |= (BIT_2 | BIT_5);
1368                        arg1 |= (esw_cfg->vlan_id << 16);
1369                        break;
1370        case QLCNIC_DEL_VLAN:
1371                        arg1 |= (BIT_3 | BIT_5);
1372                        arg1 &= ~(0x0ffff << 16);
1373                        break;
1374        default:
1375                dev_err(&adapter->pdev->dev, "%s: Invalid opmode 0x%x\n",
1376                        __func__, esw_cfg->op_mode);
1377                return err;
1378        }
1379
1380        err = qlcnic_alloc_mbx_args(&cmd, adapter,
1381                                    QLCNIC_CMD_CONFIGURE_ESWITCH);
1382        if (err)
1383                return err;
1384
1385        cmd.req.arg[1] = arg1;
1386        cmd.req.arg[2] = arg2;
1387        err = qlcnic_issue_cmd(adapter, &cmd);
1388        qlcnic_free_mbx_args(&cmd);
1389
1390        if (err != QLCNIC_RCODE_SUCCESS)
1391                dev_err(dev, "Failed to configure eswitch for vNIC function %d\n",
1392                        pci_func);
1393        else
1394                dev_info(dev, "Configured eSwitch for vNIC function %d\n",
1395                         pci_func);
1396
1397        return err;
1398}
1399
1400int
1401qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1402                        struct qlcnic_esw_func_cfg *esw_cfg)
1403{
1404        u32 arg1, arg2;
1405        int index;
1406        u8 phy_port;
1407
1408        if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
1409                index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
1410                if (index < 0)
1411                        return -EIO;
1412                phy_port = adapter->npars[index].phy_port;
1413        } else {
1414                phy_port = adapter->ahw->physical_port;
1415        }
1416        arg1 = phy_port;
1417        arg1 |= (esw_cfg->pci_func << 8);
1418        if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1419                return -EIO;
1420
1421        esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1422        esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1423        esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1424        esw_cfg->mac_override = !!(arg1 & BIT_7);
1425        esw_cfg->vlan_id = LSW(arg1 >> 16);
1426        esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1427        esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1428
1429        return 0;
1430}
1431