linux/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * QLogic qlcnic NIC Driver
   4 * Copyright (c) 2009-2013 QLogic Corporation
   5 */
   6
   7#include "qlcnic.h"
   8
   9static const struct qlcnic_mailbox_metadata qlcnic_mbx_tbl[] = {
  10        {QLCNIC_CMD_CREATE_RX_CTX, 4, 1},
  11        {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1},
  12        {QLCNIC_CMD_CREATE_TX_CTX, 4, 1},
  13        {QLCNIC_CMD_DESTROY_TX_CTX, 3, 1},
  14        {QLCNIC_CMD_INTRPT_TEST, 4, 1},
  15        {QLCNIC_CMD_SET_MTU, 4, 1},
  16        {QLCNIC_CMD_READ_PHY, 4, 2},
  17        {QLCNIC_CMD_WRITE_PHY, 5, 1},
  18        {QLCNIC_CMD_READ_HW_REG, 4, 1},
  19        {QLCNIC_CMD_GET_FLOW_CTL, 4, 2},
  20        {QLCNIC_CMD_SET_FLOW_CTL, 4, 1},
  21        {QLCNIC_CMD_READ_MAX_MTU, 4, 2},
  22        {QLCNIC_CMD_READ_MAX_LRO, 4, 2},
  23        {QLCNIC_CMD_MAC_ADDRESS, 4, 3},
  24        {QLCNIC_CMD_GET_PCI_INFO, 4, 1},
  25        {QLCNIC_CMD_GET_NIC_INFO, 4, 1},
  26        {QLCNIC_CMD_SET_NIC_INFO, 4, 1},
  27        {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3},
  28        {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1},
  29        {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3},
  30        {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1},
  31        {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1},
  32        {QLCNIC_CMD_GET_MAC_STATS, 4, 1},
  33        {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3},
  34        {QLCNIC_CMD_GET_ESWITCH_STATS, 4, 1},
  35        {QLCNIC_CMD_CONFIG_PORT, 4, 1},
  36        {QLCNIC_CMD_TEMP_SIZE, 4, 4},
  37        {QLCNIC_CMD_GET_TEMP_HDR, 4, 1},
  38        {QLCNIC_CMD_82XX_SET_DRV_VER, 4, 1},
  39        {QLCNIC_CMD_GET_LED_STATUS, 4, 2},
  40        {QLCNIC_CMD_MQ_TX_CONFIG_INTR, 2, 3},
  41        {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2},
  42        {QLCNIC_CMD_DCB_QUERY_PARAM, 4, 1},
  43};
  44
  45static inline u32 qlcnic_get_cmd_signature(struct qlcnic_hardware_context *ahw)
  46{
  47        return (ahw->pci_func & 0xff) | ((ahw->fw_hal_version & 0xff) << 8) |
  48               (0xcafe << 16);
  49}
  50
  51/* Allocate mailbox registers */
  52int qlcnic_82xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
  53                               struct qlcnic_adapter *adapter, u32 type)
  54{
  55        int i, size;
  56        const struct qlcnic_mailbox_metadata *mbx_tbl;
  57
  58        mbx_tbl = qlcnic_mbx_tbl;
  59        size = ARRAY_SIZE(qlcnic_mbx_tbl);
  60        for (i = 0; i < size; i++) {
  61                if (type == mbx_tbl[i].cmd) {
  62                        mbx->req.num = mbx_tbl[i].in_args;
  63                        mbx->rsp.num = mbx_tbl[i].out_args;
  64                        mbx->req.arg = kcalloc(mbx->req.num,
  65                                               sizeof(u32), GFP_ATOMIC);
  66                        if (!mbx->req.arg)
  67                                return -ENOMEM;
  68                        mbx->rsp.arg = kcalloc(mbx->rsp.num,
  69                                               sizeof(u32), GFP_ATOMIC);
  70                        if (!mbx->rsp.arg) {
  71                                kfree(mbx->req.arg);
  72                                mbx->req.arg = NULL;
  73                                return -ENOMEM;
  74                        }
  75                        mbx->req.arg[0] = type;
  76                        break;
  77                }
  78        }
  79        return 0;
  80}
  81
  82/* Free up mailbox registers */
  83void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd)
  84{
  85        kfree(cmd->req.arg);
  86        cmd->req.arg = NULL;
  87        kfree(cmd->rsp.arg);
  88        cmd->rsp.arg = NULL;
  89}
  90
  91static u32
  92qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
  93{
  94        u32 rsp;
  95        int timeout = 0, err = 0;
  96
  97        do {
  98                /* give atleast 1ms for firmware to respond */
  99                mdelay(1);
 100
 101                if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
 102                        return QLCNIC_CDRP_RSP_TIMEOUT;
 103
 104                rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET, &err);
 105        } while (!QLCNIC_CDRP_IS_RSP(rsp));
 106
 107        return rsp;
 108}
 109
 110int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter,
 111                          struct qlcnic_cmd_args *cmd)
 112{
 113        int i, err = 0;
 114        u32 rsp;
 115        u32 signature;
 116        struct pci_dev *pdev = adapter->pdev;
 117        struct qlcnic_hardware_context *ahw = adapter->ahw;
 118        const char *fmt;
 119
 120        signature = qlcnic_get_cmd_signature(ahw);
 121
 122        /* Acquire semaphore before accessing CRB */
 123        if (qlcnic_api_lock(adapter)) {
 124                cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 125                return cmd->rsp.arg[0];
 126        }
 127
 128        QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
 129        for (i = 1; i < cmd->req.num; i++)
 130                QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]);
 131        QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
 132                QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0]));
 133        rsp = qlcnic_poll_rsp(adapter);
 134
 135        if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
 136                dev_err(&pdev->dev, "command timeout, response = 0x%x\n", rsp);
 137                cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
 138        } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
 139                cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1), &err);
 140                switch (cmd->rsp.arg[0]) {
 141                case QLCNIC_RCODE_INVALID_ARGS:
 142                        fmt = "CDRP invalid args: [%d]\n";
 143                        break;
 144                case QLCNIC_RCODE_NOT_SUPPORTED:
 145                case QLCNIC_RCODE_NOT_IMPL:
 146                        fmt = "CDRP command not supported: [%d]\n";
 147                        break;
 148                case QLCNIC_RCODE_NOT_PERMITTED:
 149                        fmt = "CDRP requested action not permitted: [%d]\n";
 150                        break;
 151                case QLCNIC_RCODE_INVALID:
 152                        fmt = "CDRP invalid or unknown cmd received: [%d]\n";
 153                        break;
 154                case QLCNIC_RCODE_TIMEOUT:
 155                        fmt = "CDRP command timeout: [%d]\n";
 156                        break;
 157                default:
 158                        fmt = "CDRP command failed: [%d]\n";
 159                        break;
 160                }
 161                dev_err(&pdev->dev, fmt, cmd->rsp.arg[0]);
 162                qlcnic_dump_mbx(adapter, cmd);
 163        } else if (rsp == QLCNIC_CDRP_RSP_OK)
 164                cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS;
 165
 166        for (i = 1; i < cmd->rsp.num; i++)
 167                cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i), &err);
 168
 169        /* Release semaphore */
 170        qlcnic_api_unlock(adapter);
 171        return cmd->rsp.arg[0];
 172}
 173
 174int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter, u32 fw_cmd)
 175{
 176        struct qlcnic_cmd_args cmd;
 177        u32 arg1, arg2, arg3;
 178        char drv_string[12];
 179        int err = 0;
 180
 181        memset(drv_string, 0, sizeof(drv_string));
 182        snprintf(drv_string, sizeof(drv_string), "%d"".""%d"".""%d",
 183                 _QLCNIC_LINUX_MAJOR, _QLCNIC_LINUX_MINOR,
 184                 _QLCNIC_LINUX_SUBVERSION);
 185
 186        err = qlcnic_alloc_mbx_args(&cmd, adapter, fw_cmd);
 187        if (err)
 188                return err;
 189
 190        memcpy(&arg1, drv_string, sizeof(u32));
 191        memcpy(&arg2, drv_string + 4, sizeof(u32));
 192        memcpy(&arg3, drv_string + 8, sizeof(u32));
 193
 194        cmd.req.arg[1] = arg1;
 195        cmd.req.arg[2] = arg2;
 196        cmd.req.arg[3] = arg3;
 197
 198        err = qlcnic_issue_cmd(adapter, &cmd);
 199        if (err) {
 200                dev_info(&adapter->pdev->dev,
 201                         "Failed to set driver version in firmware\n");
 202                err = -EIO;
 203        }
 204        qlcnic_free_mbx_args(&cmd);
 205        return err;
 206}
 207
 208int
 209qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
 210{
 211        int err = 0;
 212        struct qlcnic_cmd_args cmd;
 213        struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 214
 215        if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE)
 216                return err;
 217        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU);
 218        if (err)
 219                return err;
 220
 221        cmd.req.arg[1] = recv_ctx->context_id;
 222        cmd.req.arg[2] = mtu;
 223
 224        err = qlcnic_issue_cmd(adapter, &cmd);
 225        if (err) {
 226                dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
 227                err = -EIO;
 228        }
 229        qlcnic_free_mbx_args(&cmd);
 230        return err;
 231}
 232
 233int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 234{
 235        struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 236        struct qlcnic_hardware_context *ahw = adapter->ahw;
 237        dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
 238        struct net_device *netdev = adapter->netdev;
 239        u32 temp_intr_crb_mode, temp_rds_crb_mode;
 240        struct qlcnic_cardrsp_rds_ring *prsp_rds;
 241        struct qlcnic_cardrsp_sds_ring *prsp_sds;
 242        struct qlcnic_hostrq_rds_ring *prq_rds;
 243        struct qlcnic_hostrq_sds_ring *prq_sds;
 244        struct qlcnic_host_rds_ring *rds_ring;
 245        struct qlcnic_host_sds_ring *sds_ring;
 246        struct qlcnic_cardrsp_rx_ctx *prsp;
 247        struct qlcnic_hostrq_rx_ctx *prq;
 248        u8 i, nrds_rings, nsds_rings;
 249        struct qlcnic_cmd_args cmd;
 250        size_t rq_size, rsp_size;
 251        u32 cap, reg, val, reg2;
 252        u64 phys_addr;
 253        u16 temp_u16;
 254        void *addr;
 255        int err;
 256
 257        nrds_rings = adapter->max_rds_rings;
 258        nsds_rings = adapter->drv_sds_rings;
 259
 260        rq_size = SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
 261                                   nsds_rings);
 262        rsp_size = SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
 263                                     nsds_rings);
 264
 265        addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 266                                  &hostrq_phys_addr, GFP_KERNEL);
 267        if (addr == NULL)
 268                return -ENOMEM;
 269        prq = addr;
 270
 271        addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 272                        &cardrsp_phys_addr, GFP_KERNEL);
 273        if (addr == NULL) {
 274                err = -ENOMEM;
 275                goto out_free_rq;
 276        }
 277        prsp = addr;
 278
 279        prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
 280
 281        cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
 282                                                | QLCNIC_CAP0_VALIDOFF);
 283        cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
 284
 285        if (qlcnic_check_multi_tx(adapter) &&
 286            !adapter->ahw->diag_test) {
 287                cap |= QLCNIC_CAP0_TX_MULTI;
 288        } else {
 289                temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler);
 290                prq->valid_field_offset = cpu_to_le16(temp_u16);
 291                prq->txrx_sds_binding = nsds_rings - 1;
 292                temp_intr_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
 293                prq->host_int_crb_mode = cpu_to_le32(temp_intr_crb_mode);
 294                temp_rds_crb_mode = QLCNIC_HOST_RDS_CRB_MODE_UNIQUE;
 295                prq->host_rds_crb_mode = cpu_to_le32(temp_rds_crb_mode);
 296        }
 297
 298        prq->capabilities[0] = cpu_to_le32(cap);
 299
 300        prq->num_rds_rings = cpu_to_le16(nrds_rings);
 301        prq->num_sds_rings = cpu_to_le16(nsds_rings);
 302        prq->rds_ring_offset = 0;
 303
 304        val = le32_to_cpu(prq->rds_ring_offset) +
 305                (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
 306        prq->sds_ring_offset = cpu_to_le32(val);
 307
 308        prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
 309                        le32_to_cpu(prq->rds_ring_offset));
 310
 311        for (i = 0; i < nrds_rings; i++) {
 312                rds_ring = &recv_ctx->rds_rings[i];
 313                rds_ring->producer = 0;
 314                prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
 315                prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
 316                prq_rds[i].ring_kind = cpu_to_le32(i);
 317                prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
 318        }
 319
 320        prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
 321                        le32_to_cpu(prq->sds_ring_offset));
 322
 323        for (i = 0; i < nsds_rings; i++) {
 324                sds_ring = &recv_ctx->sds_rings[i];
 325                sds_ring->consumer = 0;
 326                memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
 327                prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
 328                prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
 329                if (qlcnic_check_multi_tx(adapter) &&
 330                    !adapter->ahw->diag_test)
 331                        prq_sds[i].msi_index = cpu_to_le16(ahw->intr_tbl[i].id);
 332                else
 333                        prq_sds[i].msi_index = cpu_to_le16(i);
 334        }
 335
 336        phys_addr = hostrq_phys_addr;
 337        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX);
 338        if (err)
 339                goto out_free_rsp;
 340
 341        cmd.req.arg[1] = MSD(phys_addr);
 342        cmd.req.arg[2] = LSD(phys_addr);
 343        cmd.req.arg[3] = rq_size;
 344        err = qlcnic_issue_cmd(adapter, &cmd);
 345        if (err) {
 346                dev_err(&adapter->pdev->dev,
 347                        "Failed to create rx ctx in firmware%d\n", err);
 348                goto out_free_rsp;
 349        }
 350
 351        prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
 352                         &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
 353
 354        for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
 355                rds_ring = &recv_ctx->rds_rings[i];
 356                reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
 357                rds_ring->crb_rcv_producer = ahw->pci_base0 + reg;
 358        }
 359
 360        prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
 361                        &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
 362
 363        for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
 364                sds_ring = &recv_ctx->sds_rings[i];
 365                reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
 366                if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
 367                        reg2 = ahw->intr_tbl[i].src;
 368                else
 369                        reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
 370
 371                sds_ring->crb_intr_mask = ahw->pci_base0 + reg2;
 372                sds_ring->crb_sts_consumer = ahw->pci_base0 + reg;
 373        }
 374
 375        recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
 376        recv_ctx->context_id = le16_to_cpu(prsp->context_id);
 377        recv_ctx->virt_port = prsp->virt_port;
 378
 379        netdev_info(netdev, "Rx Context[%d] Created, state 0x%x\n",
 380                    recv_ctx->context_id, recv_ctx->state);
 381        qlcnic_free_mbx_args(&cmd);
 382
 383out_free_rsp:
 384        dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
 385                          cardrsp_phys_addr);
 386out_free_rq:
 387        dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
 388
 389        return err;
 390}
 391
 392void qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter)
 393{
 394        int err;
 395        struct qlcnic_cmd_args cmd;
 396        struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
 397
 398        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX);
 399        if (err)
 400                return;
 401
 402        cmd.req.arg[1] = recv_ctx->context_id;
 403        err = qlcnic_issue_cmd(adapter, &cmd);
 404        if (err)
 405                dev_err(&adapter->pdev->dev,
 406                        "Failed to destroy rx ctx in firmware\n");
 407
 408        recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
 409        qlcnic_free_mbx_args(&cmd);
 410}
 411
 412int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
 413                                     struct qlcnic_host_tx_ring *tx_ring,
 414                                     int ring)
 415{
 416        struct qlcnic_hardware_context *ahw = adapter->ahw;
 417        struct net_device *netdev = adapter->netdev;
 418        struct qlcnic_hostrq_tx_ctx     *prq;
 419        struct qlcnic_hostrq_cds_ring   *prq_cds;
 420        struct qlcnic_cardrsp_tx_ctx    *prsp;
 421        struct qlcnic_cmd_args cmd;
 422        u32 temp, intr_mask, temp_int_crb_mode;
 423        dma_addr_t rq_phys_addr, rsp_phys_addr;
 424        int temp_nsds_rings, index, err;
 425        void *rq_addr, *rsp_addr;
 426        size_t rq_size, rsp_size;
 427        u64 phys_addr;
 428        u16 msix_id;
 429
 430        /* reset host resources */
 431        tx_ring->producer = 0;
 432        tx_ring->sw_consumer = 0;
 433        *(tx_ring->hw_consumer) = 0;
 434
 435        rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
 436        rq_addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
 437                                     &rq_phys_addr, GFP_KERNEL);
 438        if (!rq_addr)
 439                return -ENOMEM;
 440
 441        rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
 442        rsp_addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 443                                      &rsp_phys_addr, GFP_KERNEL);
 444        if (!rsp_addr) {
 445                err = -ENOMEM;
 446                goto out_free_rq;
 447        }
 448
 449        prq = rq_addr;
 450        prsp = rsp_addr;
 451
 452        prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 453
 454        temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
 455                QLCNIC_CAP0_LSO);
 456        if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
 457                temp |= QLCNIC_CAP0_TX_MULTI;
 458
 459        prq->capabilities[0] = cpu_to_le32(temp);
 460
 461        if (qlcnic_check_multi_tx(adapter) &&
 462            !adapter->ahw->diag_test) {
 463                temp_nsds_rings = adapter->drv_sds_rings;
 464                index = temp_nsds_rings + ring;
 465                msix_id = ahw->intr_tbl[index].id;
 466                prq->msi_index = cpu_to_le16(msix_id);
 467        } else {
 468                temp_int_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
 469                prq->host_int_crb_mode = cpu_to_le32(temp_int_crb_mode);
 470                prq->msi_index = 0;
 471        }
 472
 473        prq->interrupt_ctl = 0;
 474        prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
 475
 476        prq_cds = &prq->cds_ring;
 477
 478        prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
 479        prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
 480
 481        phys_addr = rq_phys_addr;
 482
 483        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
 484        if (err)
 485                goto out_free_rsp;
 486
 487        cmd.req.arg[1] = MSD(phys_addr);
 488        cmd.req.arg[2] = LSD(phys_addr);
 489        cmd.req.arg[3] = rq_size;
 490        err = qlcnic_issue_cmd(adapter, &cmd);
 491
 492        if (err == QLCNIC_RCODE_SUCCESS) {
 493                tx_ring->state = le32_to_cpu(prsp->host_ctx_state);
 494                temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
 495                tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
 496                tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
 497                if (qlcnic_check_multi_tx(adapter) &&
 498                    !adapter->ahw->diag_test &&
 499                    (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 500                        index = adapter->drv_sds_rings + ring;
 501                        intr_mask = ahw->intr_tbl[index].src;
 502                        tx_ring->crb_intr_mask = ahw->pci_base0 + intr_mask;
 503                }
 504
 505                netdev_info(netdev, "Tx Context[0x%x] Created, state 0x%x\n",
 506                            tx_ring->ctx_id, tx_ring->state);
 507        } else {
 508                netdev_err(netdev, "Failed to create tx ctx in firmware%d\n",
 509                           err);
 510                err = -EIO;
 511        }
 512        qlcnic_free_mbx_args(&cmd);
 513
 514out_free_rsp:
 515        dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
 516                          rsp_phys_addr);
 517out_free_rq:
 518        dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
 519
 520        return err;
 521}
 522
 523void qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter,
 524                                   struct qlcnic_host_tx_ring *tx_ring)
 525{
 526        struct qlcnic_cmd_args cmd;
 527        int ret;
 528
 529        ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
 530        if (ret)
 531                return;
 532
 533        cmd.req.arg[1] = tx_ring->ctx_id;
 534        if (qlcnic_issue_cmd(adapter, &cmd))
 535                dev_err(&adapter->pdev->dev,
 536                        "Failed to destroy tx ctx in firmware\n");
 537        qlcnic_free_mbx_args(&cmd);
 538}
 539
 540int
 541qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
 542{
 543        int err;
 544        struct qlcnic_cmd_args cmd;
 545
 546        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
 547        if (err)
 548                return err;
 549
 550        cmd.req.arg[1] = config;
 551        err = qlcnic_issue_cmd(adapter, &cmd);
 552        qlcnic_free_mbx_args(&cmd);
 553        return err;
 554}
 555
 556int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 557{
 558        void *addr;
 559        int err, ring;
 560        struct qlcnic_recv_context *recv_ctx;
 561        struct qlcnic_host_rds_ring *rds_ring;
 562        struct qlcnic_host_sds_ring *sds_ring;
 563        struct qlcnic_host_tx_ring *tx_ring;
 564        __le32 *ptr;
 565
 566        struct pci_dev *pdev = adapter->pdev;
 567
 568        recv_ctx = adapter->recv_ctx;
 569
 570        for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
 571                tx_ring = &adapter->tx_ring[ring];
 572                ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
 573                                                   &tx_ring->hw_cons_phys_addr,
 574                                                   GFP_KERNEL);
 575                if (ptr == NULL) {
 576                        err = -ENOMEM;
 577                        goto err_out_free;
 578                }
 579
 580                tx_ring->hw_consumer = ptr;
 581                /* cmd desc ring */
 582                addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
 583                                          &tx_ring->phys_addr,
 584                                          GFP_KERNEL);
 585                if (addr == NULL) {
 586                        err = -ENOMEM;
 587                        goto err_out_free;
 588                }
 589
 590                tx_ring->desc_head = addr;
 591        }
 592
 593        for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 594                rds_ring = &recv_ctx->rds_rings[ring];
 595                addr = dma_alloc_coherent(&adapter->pdev->dev,
 596                                          RCV_DESC_RINGSIZE(rds_ring),
 597                                          &rds_ring->phys_addr, GFP_KERNEL);
 598                if (addr == NULL) {
 599                        err = -ENOMEM;
 600                        goto err_out_free;
 601                }
 602                rds_ring->desc_head = addr;
 603
 604        }
 605
 606        for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
 607                sds_ring = &recv_ctx->sds_rings[ring];
 608
 609                addr = dma_alloc_coherent(&adapter->pdev->dev,
 610                                          STATUS_DESC_RINGSIZE(sds_ring),
 611                                          &sds_ring->phys_addr, GFP_KERNEL);
 612                if (addr == NULL) {
 613                        err = -ENOMEM;
 614                        goto err_out_free;
 615                }
 616                sds_ring->desc_head = addr;
 617        }
 618
 619        return 0;
 620
 621err_out_free:
 622        qlcnic_free_hw_resources(adapter);
 623        return err;
 624}
 625
 626int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev)
 627{
 628        int i, err, ring;
 629
 630        if (dev->flags & QLCNIC_NEED_FLR) {
 631                pci_reset_function(dev->pdev);
 632                dev->flags &= ~QLCNIC_NEED_FLR;
 633        }
 634
 635        if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 636                if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
 637                        err = qlcnic_83xx_config_intrpt(dev, 1);
 638                        if (err)
 639                                return err;
 640                }
 641        }
 642
 643        if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
 644            qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test) {
 645                err = qlcnic_82xx_mq_intrpt(dev, 1);
 646                if (err)
 647                        return err;
 648        }
 649
 650        err = qlcnic_fw_cmd_create_rx_ctx(dev);
 651        if (err)
 652                goto err_out;
 653
 654        for (ring = 0; ring < dev->drv_tx_rings; ring++) {
 655                err = qlcnic_fw_cmd_create_tx_ctx(dev,
 656                                                  &dev->tx_ring[ring],
 657                                                  ring);
 658                if (err) {
 659                        qlcnic_fw_cmd_del_rx_ctx(dev);
 660                        if (ring == 0)
 661                                goto err_out;
 662
 663                        for (i = 0; i < ring; i++)
 664                                qlcnic_fw_cmd_del_tx_ctx(dev, &dev->tx_ring[i]);
 665
 666                        goto err_out;
 667                }
 668        }
 669
 670        set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
 671
 672        return 0;
 673
 674err_out:
 675        if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
 676            qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test)
 677                        qlcnic_82xx_config_intrpt(dev, 0);
 678
 679        if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
 680                if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 681                        qlcnic_83xx_config_intrpt(dev, 0);
 682        }
 683
 684        return err;
 685}
 686
 687void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
 688{
 689        int ring;
 690
 691        if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
 692                qlcnic_fw_cmd_del_rx_ctx(adapter);
 693                for (ring = 0; ring < adapter->drv_tx_rings; ring++)
 694                        qlcnic_fw_cmd_del_tx_ctx(adapter,
 695                                                 &adapter->tx_ring[ring]);
 696
 697                if (qlcnic_82xx_check(adapter) &&
 698                    (adapter->flags & QLCNIC_MSIX_ENABLED) &&
 699                    qlcnic_check_multi_tx(adapter) &&
 700                    !adapter->ahw->diag_test)
 701                                qlcnic_82xx_config_intrpt(adapter, 0);
 702
 703                if (qlcnic_83xx_check(adapter) &&
 704                    (adapter->flags & QLCNIC_MSIX_ENABLED)) {
 705                        if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
 706                                qlcnic_83xx_config_intrpt(adapter, 0);
 707                }
 708                /* Allow dma queues to drain after context reset */
 709                mdelay(20);
 710        }
 711}
 712
 713void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
 714{
 715        struct qlcnic_recv_context *recv_ctx;
 716        struct qlcnic_host_rds_ring *rds_ring;
 717        struct qlcnic_host_sds_ring *sds_ring;
 718        struct qlcnic_host_tx_ring *tx_ring;
 719        int ring;
 720
 721        recv_ctx = adapter->recv_ctx;
 722
 723        for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
 724                tx_ring = &adapter->tx_ring[ring];
 725                if (tx_ring->hw_consumer != NULL) {
 726                        dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
 727                                          tx_ring->hw_consumer,
 728                                          tx_ring->hw_cons_phys_addr);
 729
 730                        tx_ring->hw_consumer = NULL;
 731                }
 732
 733                if (tx_ring->desc_head != NULL) {
 734                        dma_free_coherent(&adapter->pdev->dev,
 735                                          TX_DESC_RINGSIZE(tx_ring),
 736                                          tx_ring->desc_head,
 737                                          tx_ring->phys_addr);
 738                        tx_ring->desc_head = NULL;
 739                }
 740        }
 741
 742        for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 743                rds_ring = &recv_ctx->rds_rings[ring];
 744
 745                if (rds_ring->desc_head != NULL) {
 746                        dma_free_coherent(&adapter->pdev->dev,
 747                                        RCV_DESC_RINGSIZE(rds_ring),
 748                                        rds_ring->desc_head,
 749                                        rds_ring->phys_addr);
 750                        rds_ring->desc_head = NULL;
 751                }
 752        }
 753
 754        for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
 755                sds_ring = &recv_ctx->sds_rings[ring];
 756
 757                if (sds_ring->desc_head != NULL) {
 758                        dma_free_coherent(&adapter->pdev->dev,
 759                                STATUS_DESC_RINGSIZE(sds_ring),
 760                                sds_ring->desc_head,
 761                                sds_ring->phys_addr);
 762                        sds_ring->desc_head = NULL;
 763                }
 764        }
 765}
 766
 767int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type)
 768{
 769        struct qlcnic_hardware_context *ahw = adapter->ahw;
 770        struct net_device *netdev = adapter->netdev;
 771        struct qlcnic_cmd_args cmd;
 772        u32 type, val;
 773        int i, err = 0;
 774
 775        for (i = 0; i < ahw->num_msix; i++) {
 776                err = qlcnic_alloc_mbx_args(&cmd, adapter,
 777                                            QLCNIC_CMD_MQ_TX_CONFIG_INTR);
 778                if (err)
 779                        return err;
 780                type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
 781                val = type | (ahw->intr_tbl[i].type << 4);
 782                if (ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)
 783                        val |= (ahw->intr_tbl[i].id << 16);
 784                cmd.req.arg[1] = val;
 785                err = qlcnic_issue_cmd(adapter, &cmd);
 786                if (err) {
 787                        netdev_err(netdev, "Failed to %s interrupts %d\n",
 788                                   op_type == QLCNIC_INTRPT_ADD ? "Add" :
 789                                   "Delete", err);
 790                        qlcnic_free_mbx_args(&cmd);
 791                        return err;
 792                }
 793                val = cmd.rsp.arg[1];
 794                if (LSB(val)) {
 795                        netdev_info(netdev,
 796                                    "failed to configure interrupt for %d\n",
 797                                    ahw->intr_tbl[i].id);
 798                        continue;
 799                }
 800                if (op_type) {
 801                        ahw->intr_tbl[i].id = MSW(val);
 802                        ahw->intr_tbl[i].enabled = 1;
 803                        ahw->intr_tbl[i].src = cmd.rsp.arg[2];
 804                } else {
 805                        ahw->intr_tbl[i].id = i;
 806                        ahw->intr_tbl[i].enabled = 0;
 807                        ahw->intr_tbl[i].src = 0;
 808                }
 809                qlcnic_free_mbx_args(&cmd);
 810        }
 811
 812        return err;
 813}
 814
 815int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac,
 816                                u8 function)
 817{
 818        int err, i;
 819        struct qlcnic_cmd_args cmd;
 820        u32 mac_low, mac_high;
 821
 822        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
 823        if (err)
 824                return err;
 825
 826        cmd.req.arg[1] = function | BIT_8;
 827        err = qlcnic_issue_cmd(adapter, &cmd);
 828
 829        if (err == QLCNIC_RCODE_SUCCESS) {
 830                mac_low = cmd.rsp.arg[1];
 831                mac_high = cmd.rsp.arg[2];
 832
 833                for (i = 0; i < 2; i++)
 834                        mac[i] = (u8) (mac_high >> ((1 - i) * 8));
 835                for (i = 2; i < 6; i++)
 836                        mac[i] = (u8) (mac_low >> ((5 - i) * 8));
 837        } else {
 838                dev_err(&adapter->pdev->dev,
 839                        "Failed to get mac address%d\n", err);
 840                err = -EIO;
 841        }
 842        qlcnic_free_mbx_args(&cmd);
 843        return err;
 844}
 845
 846/* Get info of a NIC partition */
 847int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
 848                             struct qlcnic_info *npar_info, u8 func_id)
 849{
 850        int     err;
 851        dma_addr_t nic_dma_t;
 852        const struct qlcnic_info_le *nic_info;
 853        void *nic_info_addr;
 854        struct qlcnic_cmd_args cmd;
 855        size_t  nic_size = sizeof(struct qlcnic_info_le);
 856
 857        nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 858                                           &nic_dma_t, GFP_KERNEL);
 859        if (!nic_info_addr)
 860                return -ENOMEM;
 861
 862        nic_info = nic_info_addr;
 863
 864        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
 865        if (err)
 866                goto out_free_dma;
 867
 868        cmd.req.arg[1] = MSD(nic_dma_t);
 869        cmd.req.arg[2] = LSD(nic_dma_t);
 870        cmd.req.arg[3] = (func_id << 16 | nic_size);
 871        err = qlcnic_issue_cmd(adapter, &cmd);
 872        if (err != QLCNIC_RCODE_SUCCESS) {
 873                dev_err(&adapter->pdev->dev,
 874                        "Failed to get nic info%d\n", err);
 875                err = -EIO;
 876        } else {
 877                npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
 878                npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
 879                npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
 880                npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
 881                npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
 882                npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
 883                npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
 884                npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
 885                npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
 886                npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 887        }
 888
 889        qlcnic_free_mbx_args(&cmd);
 890out_free_dma:
 891        dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 892                          nic_dma_t);
 893
 894        return err;
 895}
 896
 897/* Configure a NIC partition */
 898int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter,
 899                             struct qlcnic_info *nic)
 900{
 901        int err = -EIO;
 902        dma_addr_t nic_dma_t;
 903        void *nic_info_addr;
 904        struct qlcnic_cmd_args cmd;
 905        struct qlcnic_info_le *nic_info;
 906        size_t nic_size = sizeof(struct qlcnic_info_le);
 907
 908        if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
 909                return err;
 910
 911        nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
 912                                           &nic_dma_t, GFP_KERNEL);
 913        if (!nic_info_addr)
 914                return -ENOMEM;
 915
 916        nic_info = nic_info_addr;
 917
 918        nic_info->pci_func = cpu_to_le16(nic->pci_func);
 919        nic_info->op_mode = cpu_to_le16(nic->op_mode);
 920        nic_info->phys_port = cpu_to_le16(nic->phys_port);
 921        nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
 922        nic_info->capabilities = cpu_to_le32(nic->capabilities);
 923        nic_info->max_mac_filters = nic->max_mac_filters;
 924        nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
 925        nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
 926        nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
 927        nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
 928
 929        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
 930        if (err)
 931                goto out_free_dma;
 932
 933        cmd.req.arg[1] = MSD(nic_dma_t);
 934        cmd.req.arg[2] = LSD(nic_dma_t);
 935        cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size);
 936        err = qlcnic_issue_cmd(adapter, &cmd);
 937
 938        if (err != QLCNIC_RCODE_SUCCESS) {
 939                dev_err(&adapter->pdev->dev,
 940                        "Failed to set nic info%d\n", err);
 941                err = -EIO;
 942        }
 943
 944        qlcnic_free_mbx_args(&cmd);
 945out_free_dma:
 946        dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
 947                          nic_dma_t);
 948
 949        return err;
 950}
 951
 952/* Get PCI Info of a partition */
 953int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter,
 954                             struct qlcnic_pci_info *pci_info)
 955{
 956        struct qlcnic_hardware_context *ahw = adapter->ahw;
 957        size_t npar_size = sizeof(struct qlcnic_pci_info_le);
 958        size_t pci_size = npar_size * ahw->max_vnic_func;
 959        u16 nic = 0, fcoe = 0, iscsi = 0;
 960        struct qlcnic_pci_info_le *npar;
 961        struct qlcnic_cmd_args cmd;
 962        dma_addr_t pci_info_dma_t;
 963        void *pci_info_addr;
 964        int err = 0, i;
 965
 966        pci_info_addr = dma_alloc_coherent(&adapter->pdev->dev, pci_size,
 967                                           &pci_info_dma_t, GFP_KERNEL);
 968        if (!pci_info_addr)
 969                return -ENOMEM;
 970
 971        npar = pci_info_addr;
 972        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
 973        if (err)
 974                goto out_free_dma;
 975
 976        cmd.req.arg[1] = MSD(pci_info_dma_t);
 977        cmd.req.arg[2] = LSD(pci_info_dma_t);
 978        cmd.req.arg[3] = pci_size;
 979        err = qlcnic_issue_cmd(adapter, &cmd);
 980
 981        ahw->total_nic_func = 0;
 982        if (err == QLCNIC_RCODE_SUCCESS) {
 983                for (i = 0; i < ahw->max_vnic_func; i++, npar++, pci_info++) {
 984                        pci_info->id = le16_to_cpu(npar->id);
 985                        pci_info->active = le16_to_cpu(npar->active);
 986                        if (!pci_info->active)
 987                                continue;
 988                        pci_info->type = le16_to_cpu(npar->type);
 989                        err = qlcnic_get_pci_func_type(adapter, pci_info->type,
 990                                                       &nic, &fcoe, &iscsi);
 991                        pci_info->default_port =
 992                                le16_to_cpu(npar->default_port);
 993                        pci_info->tx_min_bw =
 994                                le16_to_cpu(npar->tx_min_bw);
 995                        pci_info->tx_max_bw =
 996                                le16_to_cpu(npar->tx_max_bw);
 997                        memcpy(pci_info->mac, npar->mac, ETH_ALEN);
 998                }
 999        } else {
1000                dev_err(&adapter->pdev->dev,
1001                        "Failed to get PCI Info%d\n", err);
1002                err = -EIO;
1003        }
1004
1005        ahw->total_nic_func = nic;
1006        ahw->total_pci_func = nic + fcoe + iscsi;
1007        if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) {
1008                dev_err(&adapter->pdev->dev,
1009                        "%s: Invalid function count: total nic func[%x], total pci func[%x]\n",
1010                        __func__, ahw->total_nic_func, ahw->total_pci_func);
1011                err = -EIO;
1012        }
1013        qlcnic_free_mbx_args(&cmd);
1014out_free_dma:
1015        dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
1016                pci_info_dma_t);
1017
1018        return err;
1019}
1020
1021/* Configure eSwitch for port mirroring */
1022int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
1023                                 u8 enable_mirroring, u8 pci_func)
1024{
1025        struct device *dev = &adapter->pdev->dev;
1026        struct qlcnic_cmd_args cmd;
1027        int err = -EIO;
1028        u32 arg1;
1029
1030        if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
1031            !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE)) {
1032                dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
1033                        __func__);
1034                return err;
1035        }
1036
1037        arg1 = id | (enable_mirroring ? BIT_4 : 0);
1038        arg1 |= pci_func << 8;
1039
1040        err = qlcnic_alloc_mbx_args(&cmd, adapter,
1041                                    QLCNIC_CMD_SET_PORTMIRRORING);
1042        if (err)
1043                return err;
1044
1045        cmd.req.arg[1] = arg1;
1046        err = qlcnic_issue_cmd(adapter, &cmd);
1047
1048        if (err != QLCNIC_RCODE_SUCCESS)
1049                dev_err(dev, "Failed to configure port mirroring for vNIC function %d on eSwitch %d\n",
1050                        pci_func, id);
1051        else
1052                dev_info(dev, "Configured port mirroring for vNIC function %d on eSwitch %d\n",
1053                         pci_func, id);
1054        qlcnic_free_mbx_args(&cmd);
1055
1056        return err;
1057}
1058
1059int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
1060                const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1061
1062        size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
1063        struct qlcnic_esw_stats_le *stats;
1064        dma_addr_t stats_dma_t;
1065        void *stats_addr;
1066        u32 arg1;
1067        struct qlcnic_cmd_args cmd;
1068        int err;
1069
1070        if (esw_stats == NULL)
1071                return -ENOMEM;
1072
1073        if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
1074            (func != adapter->ahw->pci_func)) {
1075                dev_err(&adapter->pdev->dev,
1076                        "Not privilege to query stats for func=%d", func);
1077                return -EIO;
1078        }
1079
1080        stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
1081                                        &stats_dma_t, GFP_KERNEL);
1082        if (!stats_addr)
1083                return -ENOMEM;
1084
1085        arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
1086        arg1 |= rx_tx << 15 | stats_size << 16;
1087
1088        err = qlcnic_alloc_mbx_args(&cmd, adapter,
1089                                    QLCNIC_CMD_GET_ESWITCH_STATS);
1090        if (err)
1091                goto out_free_dma;
1092
1093        cmd.req.arg[1] = arg1;
1094        cmd.req.arg[2] = MSD(stats_dma_t);
1095        cmd.req.arg[3] = LSD(stats_dma_t);
1096        err = qlcnic_issue_cmd(adapter, &cmd);
1097
1098        if (!err) {
1099                stats = stats_addr;
1100                esw_stats->context_id = le16_to_cpu(stats->context_id);
1101                esw_stats->version = le16_to_cpu(stats->version);
1102                esw_stats->size = le16_to_cpu(stats->size);
1103                esw_stats->multicast_frames =
1104                                le64_to_cpu(stats->multicast_frames);
1105                esw_stats->broadcast_frames =
1106                                le64_to_cpu(stats->broadcast_frames);
1107                esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
1108                esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
1109                esw_stats->local_frames = le64_to_cpu(stats->local_frames);
1110                esw_stats->errors = le64_to_cpu(stats->errors);
1111                esw_stats->numbytes = le64_to_cpu(stats->numbytes);
1112        }
1113
1114        qlcnic_free_mbx_args(&cmd);
1115out_free_dma:
1116        dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1117                          stats_dma_t);
1118
1119        return err;
1120}
1121
1122/* This routine will retrieve the MAC statistics from firmware */
1123int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
1124                struct qlcnic_mac_statistics *mac_stats)
1125{
1126        struct qlcnic_mac_statistics_le *stats;
1127        struct qlcnic_cmd_args cmd;
1128        size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
1129        dma_addr_t stats_dma_t;
1130        void *stats_addr;
1131        int err;
1132
1133        if (mac_stats == NULL)
1134                return -ENOMEM;
1135
1136        stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
1137                                        &stats_dma_t, GFP_KERNEL);
1138        if (!stats_addr)
1139                return -ENOMEM;
1140
1141        err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS);
1142        if (err)
1143                goto out_free_dma;
1144
1145        cmd.req.arg[1] = stats_size << 16;
1146        cmd.req.arg[2] = MSD(stats_dma_t);
1147        cmd.req.arg[3] = LSD(stats_dma_t);
1148        err = qlcnic_issue_cmd(adapter, &cmd);
1149        if (!err) {
1150                stats = stats_addr;
1151                mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
1152                mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
1153                mac_stats->mac_tx_mcast_pkts =
1154                                        le64_to_cpu(stats->mac_tx_mcast_pkts);
1155                mac_stats->mac_tx_bcast_pkts =
1156                                        le64_to_cpu(stats->mac_tx_bcast_pkts);
1157                mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
1158                mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
1159                mac_stats->mac_rx_mcast_pkts =
1160                                        le64_to_cpu(stats->mac_rx_mcast_pkts);
1161                mac_stats->mac_rx_length_error =
1162                                le64_to_cpu(stats->mac_rx_length_error);
1163                mac_stats->mac_rx_length_small =
1164                                le64_to_cpu(stats->mac_rx_length_small);
1165                mac_stats->mac_rx_length_large =
1166                                le64_to_cpu(stats->mac_rx_length_large);
1167                mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
1168                mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
1169                mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
1170        } else {
1171                dev_err(&adapter->pdev->dev,
1172                        "%s: Get mac stats failed, err=%d.\n", __func__, err);
1173        }
1174
1175        qlcnic_free_mbx_args(&cmd);
1176
1177out_free_dma:
1178        dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1179                          stats_dma_t);
1180
1181        return err;
1182}
1183
1184int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
1185                const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1186
1187        struct __qlcnic_esw_statistics port_stats;
1188        u8 i;
1189        int ret = -EIO;
1190
1191        if (esw_stats == NULL)
1192                return -ENOMEM;
1193        if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1194                return -EIO;
1195        if (adapter->npars == NULL)
1196                return -EIO;
1197
1198        memset(esw_stats, 0, sizeof(u64));
1199        esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
1200        esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
1201        esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
1202        esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
1203        esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
1204        esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
1205        esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
1206        esw_stats->context_id = eswitch;
1207
1208        for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1209                if (adapter->npars[i].phy_port != eswitch)
1210                        continue;
1211
1212                memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
1213                if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
1214                                          rx_tx, &port_stats))
1215                        continue;
1216
1217                esw_stats->size = port_stats.size;
1218                esw_stats->version = port_stats.version;
1219                QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
1220                                                port_stats.unicast_frames);
1221                QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
1222                                                port_stats.multicast_frames);
1223                QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
1224                                                port_stats.broadcast_frames);
1225                QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
1226                                                port_stats.dropped_frames);
1227                QLCNIC_ADD_ESW_STATS(esw_stats->errors,
1228                                                port_stats.errors);
1229                QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
1230                                                port_stats.local_frames);
1231                QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
1232                                                port_stats.numbytes);
1233                ret = 0;
1234        }
1235        return ret;
1236}
1237
1238int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
1239                const u8 port, const u8 rx_tx)
1240{
1241        struct qlcnic_hardware_context *ahw = adapter->ahw;
1242        struct qlcnic_cmd_args cmd;
1243        int err;
1244        u32 arg1;
1245
1246        if (ahw->op_mode != QLCNIC_MGMT_FUNC)
1247                return -EIO;
1248
1249        if (func_esw == QLCNIC_STATS_PORT) {
1250                if (port >= ahw->max_vnic_func)
1251                        goto err_ret;
1252        } else if (func_esw == QLCNIC_STATS_ESWITCH) {
1253                if (port >= QLCNIC_NIU_MAX_XG_PORTS)
1254                        goto err_ret;
1255        } else {
1256                goto err_ret;
1257        }
1258
1259        if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
1260                goto err_ret;
1261
1262        arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
1263        arg1 |= BIT_14 | rx_tx << 15;
1264
1265        err = qlcnic_alloc_mbx_args(&cmd, adapter,
1266                                    QLCNIC_CMD_GET_ESWITCH_STATS);
1267        if (err)
1268                return err;
1269
1270        cmd.req.arg[1] = arg1;
1271        err = qlcnic_issue_cmd(adapter, &cmd);
1272        qlcnic_free_mbx_args(&cmd);
1273        return err;
1274
1275err_ret:
1276        dev_err(&adapter->pdev->dev,
1277                "Invalid args func_esw %d port %d rx_ctx %d\n",
1278                func_esw, port, rx_tx);
1279        return -EIO;
1280}
1281
1282static int __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1283                                            u32 *arg1, u32 *arg2)
1284{
1285        struct device *dev = &adapter->pdev->dev;
1286        struct qlcnic_cmd_args cmd;
1287        u8 pci_func = *arg1 >> 8;
1288        int err;
1289
1290        err = qlcnic_alloc_mbx_args(&cmd, adapter,
1291                                    QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG);
1292        if (err)
1293                return err;
1294
1295        cmd.req.arg[1] = *arg1;
1296        err = qlcnic_issue_cmd(adapter, &cmd);
1297        *arg1 = cmd.rsp.arg[1];
1298        *arg2 = cmd.rsp.arg[2];
1299        qlcnic_free_mbx_args(&cmd);
1300
1301        if (err == QLCNIC_RCODE_SUCCESS)
1302                dev_info(dev, "Get eSwitch port config for vNIC function %d\n",
1303                         pci_func);
1304        else
1305                dev_err(dev, "Failed to get eswitch port config for vNIC function %d\n",
1306                        pci_func);
1307        return err;
1308}
1309/* Configure eSwitch port
1310op_mode = 0 for setting default port behavior
1311op_mode = 1 for setting  vlan id
1312op_mode = 2 for deleting vlan id
1313op_type = 0 for vlan_id
1314op_type = 1 for port vlan_id
1315*/
1316int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1317                struct qlcnic_esw_func_cfg *esw_cfg)
1318{
1319        struct device *dev = &adapter->pdev->dev;
1320        struct qlcnic_cmd_args cmd;
1321        int err = -EIO, index;
1322        u32 arg1, arg2 = 0;
1323        u8 pci_func;
1324
1325        if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
1326                dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
1327                        __func__);
1328                return err;
1329        }
1330
1331        pci_func = esw_cfg->pci_func;
1332        index = qlcnic_is_valid_nic_func(adapter, pci_func);
1333        if (index < 0)
1334                return err;
1335        arg1 = (adapter->npars[index].phy_port & BIT_0);
1336        arg1 |= (pci_func << 8);
1337
1338        if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1339                return err;
1340        arg1 &= ~(0x0ff << 8);
1341        arg1 |= (pci_func << 8);
1342        arg1 &= ~(BIT_2 | BIT_3);
1343        switch (esw_cfg->op_mode) {
1344        case QLCNIC_PORT_DEFAULTS:
1345                arg1 |= (BIT_4 | BIT_6 | BIT_7);
1346                arg2 |= (BIT_0 | BIT_1);
1347                if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1348                        arg2 |= (BIT_2 | BIT_3);
1349                if (!(esw_cfg->discard_tagged))
1350                        arg1 &= ~BIT_4;
1351                if (!(esw_cfg->promisc_mode))
1352                        arg1 &= ~BIT_6;
1353                if (!(esw_cfg->mac_override))
1354                        arg1 &= ~BIT_7;
1355                if (!(esw_cfg->mac_anti_spoof))
1356                        arg2 &= ~BIT_0;
1357                if (!(esw_cfg->offload_flags & BIT_0))
1358                        arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1359                if (!(esw_cfg->offload_flags & BIT_1))
1360                        arg2 &= ~BIT_2;
1361                if (!(esw_cfg->offload_flags & BIT_2))
1362                        arg2 &= ~BIT_3;
1363                break;
1364        case QLCNIC_ADD_VLAN:
1365                        arg1 &= ~(0x0ffff << 16);
1366                        arg1 |= (BIT_2 | BIT_5);
1367                        arg1 |= (esw_cfg->vlan_id << 16);
1368                        break;
1369        case QLCNIC_DEL_VLAN:
1370                        arg1 |= (BIT_3 | BIT_5);
1371                        arg1 &= ~(0x0ffff << 16);
1372                        break;
1373        default:
1374                dev_err(&adapter->pdev->dev, "%s: Invalid opmode 0x%x\n",
1375                        __func__, esw_cfg->op_mode);
1376                return err;
1377        }
1378
1379        err = qlcnic_alloc_mbx_args(&cmd, adapter,
1380                                    QLCNIC_CMD_CONFIGURE_ESWITCH);
1381        if (err)
1382                return err;
1383
1384        cmd.req.arg[1] = arg1;
1385        cmd.req.arg[2] = arg2;
1386        err = qlcnic_issue_cmd(adapter, &cmd);
1387        qlcnic_free_mbx_args(&cmd);
1388
1389        if (err != QLCNIC_RCODE_SUCCESS)
1390                dev_err(dev, "Failed to configure eswitch for vNIC function %d\n",
1391                        pci_func);
1392        else
1393                dev_info(dev, "Configured eSwitch for vNIC function %d\n",
1394                         pci_func);
1395
1396        return err;
1397}
1398
1399int
1400qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1401                        struct qlcnic_esw_func_cfg *esw_cfg)
1402{
1403        u32 arg1, arg2;
1404        int index;
1405        u8 phy_port;
1406
1407        if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
1408                index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
1409                if (index < 0)
1410                        return -EIO;
1411                phy_port = adapter->npars[index].phy_port;
1412        } else {
1413                phy_port = adapter->ahw->physical_port;
1414        }
1415        arg1 = phy_port;
1416        arg1 |= (esw_cfg->pci_func << 8);
1417        if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1418                return -EIO;
1419
1420        esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1421        esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1422        esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1423        esw_cfg->mac_override = !!(arg1 & BIT_7);
1424        esw_cfg->vlan_id = LSW(arg1 >> 16);
1425        esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1426        esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1427
1428        return 0;
1429}
1430