Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / ethernet / qlogic / qlcnic / qlcnic_ctx.c
diff --git a/kernel/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c b/kernel/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
new file mode 100644 (file)
index 0000000..6e6f18f
--- /dev/null
@@ -0,0 +1,1428 @@
+/*
+ * QLogic qlcnic NIC Driver
+ * Copyright (c) 2009-2013 QLogic Corporation
+ *
+ * See LICENSE.qlcnic for copyright and licensing details.
+ */
+
+#include "qlcnic.h"
+
+static const struct qlcnic_mailbox_metadata qlcnic_mbx_tbl[] = {
+       {QLCNIC_CMD_CREATE_RX_CTX, 4, 1},
+       {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1},
+       {QLCNIC_CMD_CREATE_TX_CTX, 4, 1},
+       {QLCNIC_CMD_DESTROY_TX_CTX, 3, 1},
+       {QLCNIC_CMD_INTRPT_TEST, 4, 1},
+       {QLCNIC_CMD_SET_MTU, 4, 1},
+       {QLCNIC_CMD_READ_PHY, 4, 2},
+       {QLCNIC_CMD_WRITE_PHY, 5, 1},
+       {QLCNIC_CMD_READ_HW_REG, 4, 1},
+       {QLCNIC_CMD_GET_FLOW_CTL, 4, 2},
+       {QLCNIC_CMD_SET_FLOW_CTL, 4, 1},
+       {QLCNIC_CMD_READ_MAX_MTU, 4, 2},
+       {QLCNIC_CMD_READ_MAX_LRO, 4, 2},
+       {QLCNIC_CMD_MAC_ADDRESS, 4, 3},
+       {QLCNIC_CMD_GET_PCI_INFO, 4, 1},
+       {QLCNIC_CMD_GET_NIC_INFO, 4, 1},
+       {QLCNIC_CMD_SET_NIC_INFO, 4, 1},
+       {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3},
+       {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1},
+       {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3},
+       {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1},
+       {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1},
+       {QLCNIC_CMD_GET_MAC_STATS, 4, 1},
+       {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3},
+       {QLCNIC_CMD_GET_ESWITCH_STATS, 4, 1},
+       {QLCNIC_CMD_CONFIG_PORT, 4, 1},
+       {QLCNIC_CMD_TEMP_SIZE, 4, 4},
+       {QLCNIC_CMD_GET_TEMP_HDR, 4, 1},
+       {QLCNIC_CMD_82XX_SET_DRV_VER, 4, 1},
+       {QLCNIC_CMD_GET_LED_STATUS, 4, 2},
+       {QLCNIC_CMD_MQ_TX_CONFIG_INTR, 2, 3},
+       {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2},
+       {QLCNIC_CMD_DCB_QUERY_PARAM, 4, 1},
+};
+
+static inline u32 qlcnic_get_cmd_signature(struct qlcnic_hardware_context *ahw)
+{
+       return (ahw->pci_func & 0xff) | ((ahw->fw_hal_version & 0xff) << 8) |
+              (0xcafe << 16);
+}
+
+/* Allocate mailbox registers */
+int qlcnic_82xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
+                              struct qlcnic_adapter *adapter, u32 type)
+{
+       int i, size;
+       const struct qlcnic_mailbox_metadata *mbx_tbl;
+
+       mbx_tbl = qlcnic_mbx_tbl;
+       size = ARRAY_SIZE(qlcnic_mbx_tbl);
+       for (i = 0; i < size; i++) {
+               if (type == mbx_tbl[i].cmd) {
+                       mbx->req.num = mbx_tbl[i].in_args;
+                       mbx->rsp.num = mbx_tbl[i].out_args;
+                       mbx->req.arg = kcalloc(mbx->req.num,
+                                              sizeof(u32), GFP_ATOMIC);
+                       if (!mbx->req.arg)
+                               return -ENOMEM;
+                       mbx->rsp.arg = kcalloc(mbx->rsp.num,
+                                              sizeof(u32), GFP_ATOMIC);
+                       if (!mbx->rsp.arg) {
+                               kfree(mbx->req.arg);
+                               mbx->req.arg = NULL;
+                               return -ENOMEM;
+                       }
+                       memset(mbx->req.arg, 0, sizeof(u32) * mbx->req.num);
+                       memset(mbx->rsp.arg, 0, sizeof(u32) * mbx->rsp.num);
+                       mbx->req.arg[0] = type;
+                       break;
+               }
+       }
+       return 0;
+}
+
+/* Free up mailbox registers */
+void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd)
+{
+       kfree(cmd->req.arg);
+       cmd->req.arg = NULL;
+       kfree(cmd->rsp.arg);
+       cmd->rsp.arg = NULL;
+}
+
+static u32
+qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
+{
+       u32 rsp;
+       int timeout = 0, err = 0;
+
+       do {
+               /* give atleast 1ms for firmware to respond */
+               mdelay(1);
+
+               if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
+                       return QLCNIC_CDRP_RSP_TIMEOUT;
+
+               rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET, &err);
+       } while (!QLCNIC_CDRP_IS_RSP(rsp));
+
+       return rsp;
+}
+
+int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter,
+                         struct qlcnic_cmd_args *cmd)
+{
+       int i, err = 0;
+       u32 rsp;
+       u32 signature;
+       struct pci_dev *pdev = adapter->pdev;
+       struct qlcnic_hardware_context *ahw = adapter->ahw;
+       const char *fmt;
+
+       signature = qlcnic_get_cmd_signature(ahw);
+
+       /* Acquire semaphore before accessing CRB */
+       if (qlcnic_api_lock(adapter)) {
+               cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
+               return cmd->rsp.arg[0];
+       }
+
+       QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
+       for (i = 1; i < cmd->req.num; i++)
+               QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]);
+       QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
+               QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0]));
+       rsp = qlcnic_poll_rsp(adapter);
+
+       if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
+               dev_err(&pdev->dev, "command timeout, response = 0x%x\n", rsp);
+               cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
+       } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
+               cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1), &err);
+               switch (cmd->rsp.arg[0]) {
+               case QLCNIC_RCODE_INVALID_ARGS:
+                       fmt = "CDRP invalid args: [%d]\n";
+                       break;
+               case QLCNIC_RCODE_NOT_SUPPORTED:
+               case QLCNIC_RCODE_NOT_IMPL:
+                       fmt = "CDRP command not supported: [%d]\n";
+                       break;
+               case QLCNIC_RCODE_NOT_PERMITTED:
+                       fmt = "CDRP requested action not permitted: [%d]\n";
+                       break;
+               case QLCNIC_RCODE_INVALID:
+                       fmt = "CDRP invalid or unknown cmd received: [%d]\n";
+                       break;
+               case QLCNIC_RCODE_TIMEOUT:
+                       fmt = "CDRP command timeout: [%d]\n";
+                       break;
+               default:
+                       fmt = "CDRP command failed: [%d]\n";
+                       break;
+               }
+               dev_err(&pdev->dev, fmt, cmd->rsp.arg[0]);
+               qlcnic_dump_mbx(adapter, cmd);
+       } else if (rsp == QLCNIC_CDRP_RSP_OK)
+               cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS;
+
+       for (i = 1; i < cmd->rsp.num; i++)
+               cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i), &err);
+
+       /* Release semaphore */
+       qlcnic_api_unlock(adapter);
+       return cmd->rsp.arg[0];
+}
+
+int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter, u32 fw_cmd)
+{
+       struct qlcnic_cmd_args cmd;
+       u32 arg1, arg2, arg3;
+       char drv_string[12];
+       int err = 0;
+
+       memset(drv_string, 0, sizeof(drv_string));
+       snprintf(drv_string, sizeof(drv_string), "%d"".""%d"".""%d",
+                _QLCNIC_LINUX_MAJOR, _QLCNIC_LINUX_MINOR,
+                _QLCNIC_LINUX_SUBVERSION);
+
+       err = qlcnic_alloc_mbx_args(&cmd, adapter, fw_cmd);
+       if (err)
+               return err;
+
+       memcpy(&arg1, drv_string, sizeof(u32));
+       memcpy(&arg2, drv_string + 4, sizeof(u32));
+       memcpy(&arg3, drv_string + 8, sizeof(u32));
+
+       cmd.req.arg[1] = arg1;
+       cmd.req.arg[2] = arg2;
+       cmd.req.arg[3] = arg3;
+
+       err = qlcnic_issue_cmd(adapter, &cmd);
+       if (err) {
+               dev_info(&adapter->pdev->dev,
+                        "Failed to set driver version in firmware\n");
+               err = -EIO;
+       }
+       qlcnic_free_mbx_args(&cmd);
+       return err;
+}
+
+int
+qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
+{
+       int err = 0;
+       struct qlcnic_cmd_args cmd;
+       struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
+
+       if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE)
+               return err;
+       err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU);
+       if (err)
+               return err;
+
+       cmd.req.arg[1] = recv_ctx->context_id;
+       cmd.req.arg[2] = mtu;
+
+       err = qlcnic_issue_cmd(adapter, &cmd);
+       if (err) {
+               dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
+               err = -EIO;
+       }
+       qlcnic_free_mbx_args(&cmd);
+       return err;
+}
+
+int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
+{
+       struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
+       struct qlcnic_hardware_context *ahw = adapter->ahw;
+       dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
+       struct net_device *netdev = adapter->netdev;
+       u32 temp_intr_crb_mode, temp_rds_crb_mode;
+       struct qlcnic_cardrsp_rds_ring *prsp_rds;
+       struct qlcnic_cardrsp_sds_ring *prsp_sds;
+       struct qlcnic_hostrq_rds_ring *prq_rds;
+       struct qlcnic_hostrq_sds_ring *prq_sds;
+       struct qlcnic_host_rds_ring *rds_ring;
+       struct qlcnic_host_sds_ring *sds_ring;
+       struct qlcnic_cardrsp_rx_ctx *prsp;
+       struct qlcnic_hostrq_rx_ctx *prq;
+       u8 i, nrds_rings, nsds_rings;
+       struct qlcnic_cmd_args cmd;
+       size_t rq_size, rsp_size;
+       u32 cap, reg, val, reg2;
+       u64 phys_addr;
+       u16 temp_u16;
+       void *addr;
+       int err;
+
+       nrds_rings = adapter->max_rds_rings;
+       nsds_rings = adapter->drv_sds_rings;
+
+       rq_size = SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
+                                  nsds_rings);
+       rsp_size = SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
+                                    nsds_rings);
+
+       addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
+                                 &hostrq_phys_addr, GFP_KERNEL);
+       if (addr == NULL)
+               return -ENOMEM;
+       prq = addr;
+
+       addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
+                       &cardrsp_phys_addr, GFP_KERNEL);
+       if (addr == NULL) {
+               err = -ENOMEM;
+               goto out_free_rq;
+       }
+       prsp = addr;
+
+       prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
+
+       cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
+                                               | QLCNIC_CAP0_VALIDOFF);
+       cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
+
+       if (qlcnic_check_multi_tx(adapter) &&
+           !adapter->ahw->diag_test) {
+               cap |= QLCNIC_CAP0_TX_MULTI;
+       } else {
+               temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler);
+               prq->valid_field_offset = cpu_to_le16(temp_u16);
+               prq->txrx_sds_binding = nsds_rings - 1;
+               temp_intr_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
+               prq->host_int_crb_mode = cpu_to_le32(temp_intr_crb_mode);
+               temp_rds_crb_mode = QLCNIC_HOST_RDS_CRB_MODE_UNIQUE;
+               prq->host_rds_crb_mode = cpu_to_le32(temp_rds_crb_mode);
+       }
+
+       prq->capabilities[0] = cpu_to_le32(cap);
+
+       prq->num_rds_rings = cpu_to_le16(nrds_rings);
+       prq->num_sds_rings = cpu_to_le16(nsds_rings);
+       prq->rds_ring_offset = 0;
+
+       val = le32_to_cpu(prq->rds_ring_offset) +
+               (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
+       prq->sds_ring_offset = cpu_to_le32(val);
+
+       prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
+                       le32_to_cpu(prq->rds_ring_offset));
+
+       for (i = 0; i < nrds_rings; i++) {
+               rds_ring = &recv_ctx->rds_rings[i];
+               rds_ring->producer = 0;
+               prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
+               prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
+               prq_rds[i].ring_kind = cpu_to_le32(i);
+               prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
+       }
+
+       prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
+                       le32_to_cpu(prq->sds_ring_offset));
+
+       for (i = 0; i < nsds_rings; i++) {
+               sds_ring = &recv_ctx->sds_rings[i];
+               sds_ring->consumer = 0;
+               memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
+               prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
+               prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
+               if (qlcnic_check_multi_tx(adapter) &&
+                   !adapter->ahw->diag_test)
+                       prq_sds[i].msi_index = cpu_to_le16(ahw->intr_tbl[i].id);
+               else
+                       prq_sds[i].msi_index = cpu_to_le16(i);
+       }
+
+       phys_addr = hostrq_phys_addr;
+       err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX);
+       if (err)
+               goto out_free_rsp;
+
+       cmd.req.arg[1] = MSD(phys_addr);
+       cmd.req.arg[2] = LSD(phys_addr);
+       cmd.req.arg[3] = rq_size;
+       err = qlcnic_issue_cmd(adapter, &cmd);
+       if (err) {
+               dev_err(&adapter->pdev->dev,
+                       "Failed to create rx ctx in firmware%d\n", err);
+               goto out_free_rsp;
+       }
+
+       prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
+                        &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
+
+       for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
+               rds_ring = &recv_ctx->rds_rings[i];
+               reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
+               rds_ring->crb_rcv_producer = ahw->pci_base0 + reg;
+       }
+
+       prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
+                       &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
+
+       for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
+               sds_ring = &recv_ctx->sds_rings[i];
+               reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
+               if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
+                       reg2 = ahw->intr_tbl[i].src;
+               else
+                       reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
+
+               sds_ring->crb_intr_mask = ahw->pci_base0 + reg2;
+               sds_ring->crb_sts_consumer = ahw->pci_base0 + reg;
+       }
+
+       recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
+       recv_ctx->context_id = le16_to_cpu(prsp->context_id);
+       recv_ctx->virt_port = prsp->virt_port;
+
+       netdev_info(netdev, "Rx Context[%d] Created, state 0x%x\n",
+                   recv_ctx->context_id, recv_ctx->state);
+       qlcnic_free_mbx_args(&cmd);
+
+out_free_rsp:
+       dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
+                         cardrsp_phys_addr);
+out_free_rq:
+       dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
+
+       return err;
+}
+
+void qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter)
+{
+       int err;
+       struct qlcnic_cmd_args cmd;
+       struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
+
+       err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX);
+       if (err)
+               return;
+
+       cmd.req.arg[1] = recv_ctx->context_id;
+       err = qlcnic_issue_cmd(adapter, &cmd);
+       if (err)
+               dev_err(&adapter->pdev->dev,
+                       "Failed to destroy rx ctx in firmware\n");
+
+       recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
+       qlcnic_free_mbx_args(&cmd);
+}
+
+int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
+                                    struct qlcnic_host_tx_ring *tx_ring,
+                                    int ring)
+{
+       struct qlcnic_hardware_context *ahw = adapter->ahw;
+       struct net_device *netdev = adapter->netdev;
+       struct qlcnic_hostrq_tx_ctx     *prq;
+       struct qlcnic_hostrq_cds_ring   *prq_cds;
+       struct qlcnic_cardrsp_tx_ctx    *prsp;
+       struct qlcnic_cmd_args cmd;
+       u32 temp, intr_mask, temp_int_crb_mode;
+       dma_addr_t rq_phys_addr, rsp_phys_addr;
+       int temp_nsds_rings, index, err;
+       void *rq_addr, *rsp_addr;
+       size_t rq_size, rsp_size;
+       u64 phys_addr;
+       u16 msix_id;
+
+       /* reset host resources */
+       tx_ring->producer = 0;
+       tx_ring->sw_consumer = 0;
+       *(tx_ring->hw_consumer) = 0;
+
+       rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
+       rq_addr = dma_zalloc_coherent(&adapter->pdev->dev, rq_size,
+                                     &rq_phys_addr, GFP_KERNEL);
+       if (!rq_addr)
+               return -ENOMEM;
+
+       rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
+       rsp_addr = dma_zalloc_coherent(&adapter->pdev->dev, rsp_size,
+                                      &rsp_phys_addr, GFP_KERNEL);
+       if (!rsp_addr) {
+               err = -ENOMEM;
+               goto out_free_rq;
+       }
+
+       prq = rq_addr;
+       prsp = rsp_addr;
+
+       prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
+
+       temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
+               QLCNIC_CAP0_LSO);
+       if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
+               temp |= QLCNIC_CAP0_TX_MULTI;
+
+       prq->capabilities[0] = cpu_to_le32(temp);
+
+       if (qlcnic_check_multi_tx(adapter) &&
+           !adapter->ahw->diag_test) {
+               temp_nsds_rings = adapter->drv_sds_rings;
+               index = temp_nsds_rings + ring;
+               msix_id = ahw->intr_tbl[index].id;
+               prq->msi_index = cpu_to_le16(msix_id);
+       } else {
+               temp_int_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
+               prq->host_int_crb_mode = cpu_to_le32(temp_int_crb_mode);
+               prq->msi_index = 0;
+       }
+
+       prq->interrupt_ctl = 0;
+       prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
+
+       prq_cds = &prq->cds_ring;
+
+       prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
+       prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
+
+       phys_addr = rq_phys_addr;
+
+       err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
+       if (err)
+               goto out_free_rsp;
+
+       cmd.req.arg[1] = MSD(phys_addr);
+       cmd.req.arg[2] = LSD(phys_addr);
+       cmd.req.arg[3] = rq_size;
+       err = qlcnic_issue_cmd(adapter, &cmd);
+
+       if (err == QLCNIC_RCODE_SUCCESS) {
+               tx_ring->state = le32_to_cpu(prsp->host_ctx_state);
+               temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
+               tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
+               tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
+               if (qlcnic_check_multi_tx(adapter) &&
+                   !adapter->ahw->diag_test &&
+                   (adapter->flags & QLCNIC_MSIX_ENABLED)) {
+                       index = adapter->drv_sds_rings + ring;
+                       intr_mask = ahw->intr_tbl[index].src;
+                       tx_ring->crb_intr_mask = ahw->pci_base0 + intr_mask;
+               }
+
+               netdev_info(netdev, "Tx Context[0x%x] Created, state 0x%x\n",
+                           tx_ring->ctx_id, tx_ring->state);
+       } else {
+               netdev_err(netdev, "Failed to create tx ctx in firmware%d\n",
+                          err);
+               err = -EIO;
+       }
+       qlcnic_free_mbx_args(&cmd);
+
+out_free_rsp:
+       dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
+                         rsp_phys_addr);
+out_free_rq:
+       dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
+
+       return err;
+}
+
+void qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter,
+                                  struct qlcnic_host_tx_ring *tx_ring)
+{
+       struct qlcnic_cmd_args cmd;
+       int ret;
+
+       ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
+       if (ret)
+               return;
+
+       cmd.req.arg[1] = tx_ring->ctx_id;
+       if (qlcnic_issue_cmd(adapter, &cmd))
+               dev_err(&adapter->pdev->dev,
+                       "Failed to destroy tx ctx in firmware\n");
+       qlcnic_free_mbx_args(&cmd);
+}
+
+int
+qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
+{
+       int err;
+       struct qlcnic_cmd_args cmd;
+
+       err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
+       if (err)
+               return err;
+
+       cmd.req.arg[1] = config;
+       err = qlcnic_issue_cmd(adapter, &cmd);
+       qlcnic_free_mbx_args(&cmd);
+       return err;
+}
+
+int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
+{
+       void *addr;
+       int err, ring;
+       struct qlcnic_recv_context *recv_ctx;
+       struct qlcnic_host_rds_ring *rds_ring;
+       struct qlcnic_host_sds_ring *sds_ring;
+       struct qlcnic_host_tx_ring *tx_ring;
+       __le32 *ptr;
+
+       struct pci_dev *pdev = adapter->pdev;
+
+       recv_ctx = adapter->recv_ctx;
+
+       for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
+               tx_ring = &adapter->tx_ring[ring];
+               ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
+                                                  &tx_ring->hw_cons_phys_addr,
+                                                  GFP_KERNEL);
+               if (ptr == NULL)
+                       return -ENOMEM;
+
+               tx_ring->hw_consumer = ptr;
+               /* cmd desc ring */
+               addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
+                                         &tx_ring->phys_addr,
+                                         GFP_KERNEL);
+               if (addr == NULL) {
+                       err = -ENOMEM;
+                       goto err_out_free;
+               }
+
+               tx_ring->desc_head = addr;
+       }
+
+       for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+               rds_ring = &recv_ctx->rds_rings[ring];
+               addr = dma_alloc_coherent(&adapter->pdev->dev,
+                                         RCV_DESC_RINGSIZE(rds_ring),
+                                         &rds_ring->phys_addr, GFP_KERNEL);
+               if (addr == NULL) {
+                       err = -ENOMEM;
+                       goto err_out_free;
+               }
+               rds_ring->desc_head = addr;
+
+       }
+
+       for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
+               sds_ring = &recv_ctx->sds_rings[ring];
+
+               addr = dma_alloc_coherent(&adapter->pdev->dev,
+                                         STATUS_DESC_RINGSIZE(sds_ring),
+                                         &sds_ring->phys_addr, GFP_KERNEL);
+               if (addr == NULL) {
+                       err = -ENOMEM;
+                       goto err_out_free;
+               }
+               sds_ring->desc_head = addr;
+       }
+
+       return 0;
+
+err_out_free:
+       qlcnic_free_hw_resources(adapter);
+       return err;
+}
+
+int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev)
+{
+       int i, err, ring;
+
+       if (dev->flags & QLCNIC_NEED_FLR) {
+               pci_reset_function(dev->pdev);
+               dev->flags &= ~QLCNIC_NEED_FLR;
+       }
+
+       if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
+               if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
+                       err = qlcnic_83xx_config_intrpt(dev, 1);
+                       if (err)
+                               return err;
+               }
+       }
+
+       if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
+           qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test) {
+               err = qlcnic_82xx_mq_intrpt(dev, 1);
+               if (err)
+                       return err;
+       }
+
+       err = qlcnic_fw_cmd_create_rx_ctx(dev);
+       if (err)
+               goto err_out;
+
+       for (ring = 0; ring < dev->drv_tx_rings; ring++) {
+               err = qlcnic_fw_cmd_create_tx_ctx(dev,
+                                                 &dev->tx_ring[ring],
+                                                 ring);
+               if (err) {
+                       qlcnic_fw_cmd_del_rx_ctx(dev);
+                       if (ring == 0)
+                               goto err_out;
+
+                       for (i = 0; i < ring; i++)
+                               qlcnic_fw_cmd_del_tx_ctx(dev, &dev->tx_ring[i]);
+
+                       goto err_out;
+               }
+       }
+
+       set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
+
+       return 0;
+
+err_out:
+       if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
+           qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test)
+                       qlcnic_82xx_config_intrpt(dev, 0);
+
+       if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
+               if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
+                       qlcnic_83xx_config_intrpt(dev, 0);
+       }
+
+       return err;
+}
+
+void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
+{
+       int ring;
+
+       if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
+               qlcnic_fw_cmd_del_rx_ctx(adapter);
+               for (ring = 0; ring < adapter->drv_tx_rings; ring++)
+                       qlcnic_fw_cmd_del_tx_ctx(adapter,
+                                                &adapter->tx_ring[ring]);
+
+               if (qlcnic_82xx_check(adapter) &&
+                   (adapter->flags & QLCNIC_MSIX_ENABLED) &&
+                   qlcnic_check_multi_tx(adapter) &&
+                   !adapter->ahw->diag_test)
+                               qlcnic_82xx_config_intrpt(adapter, 0);
+
+               if (qlcnic_83xx_check(adapter) &&
+                   (adapter->flags & QLCNIC_MSIX_ENABLED)) {
+                       if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
+                               qlcnic_83xx_config_intrpt(adapter, 0);
+               }
+               /* Allow dma queues to drain after context reset */
+               mdelay(20);
+       }
+}
+
+void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
+{
+       struct qlcnic_recv_context *recv_ctx;
+       struct qlcnic_host_rds_ring *rds_ring;
+       struct qlcnic_host_sds_ring *sds_ring;
+       struct qlcnic_host_tx_ring *tx_ring;
+       int ring;
+
+       recv_ctx = adapter->recv_ctx;
+
+       for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
+               tx_ring = &adapter->tx_ring[ring];
+               if (tx_ring->hw_consumer != NULL) {
+                       dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
+                                         tx_ring->hw_consumer,
+                                         tx_ring->hw_cons_phys_addr);
+
+                       tx_ring->hw_consumer = NULL;
+               }
+
+               if (tx_ring->desc_head != NULL) {
+                       dma_free_coherent(&adapter->pdev->dev,
+                                         TX_DESC_RINGSIZE(tx_ring),
+                                         tx_ring->desc_head,
+                                         tx_ring->phys_addr);
+                       tx_ring->desc_head = NULL;
+               }
+       }
+
+       for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+               rds_ring = &recv_ctx->rds_rings[ring];
+
+               if (rds_ring->desc_head != NULL) {
+                       dma_free_coherent(&adapter->pdev->dev,
+                                       RCV_DESC_RINGSIZE(rds_ring),
+                                       rds_ring->desc_head,
+                                       rds_ring->phys_addr);
+                       rds_ring->desc_head = NULL;
+               }
+       }
+
+       for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
+               sds_ring = &recv_ctx->sds_rings[ring];
+
+               if (sds_ring->desc_head != NULL) {
+                       dma_free_coherent(&adapter->pdev->dev,
+                               STATUS_DESC_RINGSIZE(sds_ring),
+                               sds_ring->desc_head,
+                               sds_ring->phys_addr);
+                       sds_ring->desc_head = NULL;
+               }
+       }
+}
+
+int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type)
+{
+       struct qlcnic_hardware_context *ahw = adapter->ahw;
+       struct net_device *netdev = adapter->netdev;
+       struct qlcnic_cmd_args cmd;
+       u32 type, val;
+       int i, err = 0;
+
+       for (i = 0; i < ahw->num_msix; i++) {
+               qlcnic_alloc_mbx_args(&cmd, adapter,
+                                     QLCNIC_CMD_MQ_TX_CONFIG_INTR);
+               type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
+               val = type | (ahw->intr_tbl[i].type << 4);
+               if (ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)
+                       val |= (ahw->intr_tbl[i].id << 16);
+               cmd.req.arg[1] = val;
+               err = qlcnic_issue_cmd(adapter, &cmd);
+               if (err) {
+                       netdev_err(netdev, "Failed to %s interrupts %d\n",
+                                  op_type == QLCNIC_INTRPT_ADD ? "Add" :
+                                  "Delete", err);
+                       qlcnic_free_mbx_args(&cmd);
+                       return err;
+               }
+               val = cmd.rsp.arg[1];
+               if (LSB(val)) {
+                       netdev_info(netdev,
+                                   "failed to configure interrupt for %d\n",
+                                   ahw->intr_tbl[i].id);
+                       continue;
+               }
+               if (op_type) {
+                       ahw->intr_tbl[i].id = MSW(val);
+                       ahw->intr_tbl[i].enabled = 1;
+                       ahw->intr_tbl[i].src = cmd.rsp.arg[2];
+               } else {
+                       ahw->intr_tbl[i].id = i;
+                       ahw->intr_tbl[i].enabled = 0;
+                       ahw->intr_tbl[i].src = 0;
+               }
+               qlcnic_free_mbx_args(&cmd);
+       }
+
+       return err;
+}
+
+int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac,
+                               u8 function)
+{
+       int err, i;
+       struct qlcnic_cmd_args cmd;
+       u32 mac_low, mac_high;
+
+       err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
+       if (err)
+               return err;
+
+       cmd.req.arg[1] = function | BIT_8;
+       err = qlcnic_issue_cmd(adapter, &cmd);
+
+       if (err == QLCNIC_RCODE_SUCCESS) {
+               mac_low = cmd.rsp.arg[1];
+               mac_high = cmd.rsp.arg[2];
+
+               for (i = 0; i < 2; i++)
+                       mac[i] = (u8) (mac_high >> ((1 - i) * 8));
+               for (i = 2; i < 6; i++)
+                       mac[i] = (u8) (mac_low >> ((5 - i) * 8));
+       } else {
+               dev_err(&adapter->pdev->dev,
+                       "Failed to get mac address%d\n", err);
+               err = -EIO;
+       }
+       qlcnic_free_mbx_args(&cmd);
+       return err;
+}
+
+/* Get info of a NIC partition */
+int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
+                            struct qlcnic_info *npar_info, u8 func_id)
+{
+       int     err;
+       dma_addr_t nic_dma_t;
+       const struct qlcnic_info_le *nic_info;
+       void *nic_info_addr;
+       struct qlcnic_cmd_args cmd;
+       size_t  nic_size = sizeof(struct qlcnic_info_le);
+
+       nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size,
+                                           &nic_dma_t, GFP_KERNEL);
+       if (!nic_info_addr)
+               return -ENOMEM;
+
+       nic_info = nic_info_addr;
+
+       err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
+       if (err)
+               goto out_free_dma;
+
+       cmd.req.arg[1] = MSD(nic_dma_t);
+       cmd.req.arg[2] = LSD(nic_dma_t);
+       cmd.req.arg[3] = (func_id << 16 | nic_size);
+       err = qlcnic_issue_cmd(adapter, &cmd);
+       if (err != QLCNIC_RCODE_SUCCESS) {
+               dev_err(&adapter->pdev->dev,
+                       "Failed to get nic info%d\n", err);
+               err = -EIO;
+       } else {
+               npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
+               npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
+               npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
+               npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
+               npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
+               npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
+               npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
+               npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
+               npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
+               npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
+       }
+
+       qlcnic_free_mbx_args(&cmd);
+out_free_dma:
+       dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
+                         nic_dma_t);
+
+       return err;
+}
+
+/* Configure a NIC partition */
+int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter,
+                            struct qlcnic_info *nic)
+{
+       int err = -EIO;
+       dma_addr_t nic_dma_t;
+       void *nic_info_addr;
+       struct qlcnic_cmd_args cmd;
+       struct qlcnic_info_le *nic_info;
+       size_t nic_size = sizeof(struct qlcnic_info_le);
+
+       if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
+               return err;
+
+       nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size,
+                                           &nic_dma_t, GFP_KERNEL);
+       if (!nic_info_addr)
+               return -ENOMEM;
+
+       nic_info = nic_info_addr;
+
+       nic_info->pci_func = cpu_to_le16(nic->pci_func);
+       nic_info->op_mode = cpu_to_le16(nic->op_mode);
+       nic_info->phys_port = cpu_to_le16(nic->phys_port);
+       nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
+       nic_info->capabilities = cpu_to_le32(nic->capabilities);
+       nic_info->max_mac_filters = nic->max_mac_filters;
+       nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
+       nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
+       nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
+       nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
+
+       err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
+       if (err)
+               goto out_free_dma;
+
+       cmd.req.arg[1] = MSD(nic_dma_t);
+       cmd.req.arg[2] = LSD(nic_dma_t);
+       cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size);
+       err = qlcnic_issue_cmd(adapter, &cmd);
+
+       if (err != QLCNIC_RCODE_SUCCESS) {
+               dev_err(&adapter->pdev->dev,
+                       "Failed to set nic info%d\n", err);
+               err = -EIO;
+       }
+
+       qlcnic_free_mbx_args(&cmd);
+out_free_dma:
+       dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
+                         nic_dma_t);
+
+       return err;
+}
+
+/* Get PCI Info of a partition */
+int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter,
+                            struct qlcnic_pci_info *pci_info)
+{
+       struct qlcnic_hardware_context *ahw = adapter->ahw;
+       size_t npar_size = sizeof(struct qlcnic_pci_info_le);
+       size_t pci_size = npar_size * ahw->max_vnic_func;
+       u16 nic = 0, fcoe = 0, iscsi = 0;
+       struct qlcnic_pci_info_le *npar;
+       struct qlcnic_cmd_args cmd;
+       dma_addr_t pci_info_dma_t;
+       void *pci_info_addr;
+       int err = 0, i;
+
+       pci_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, pci_size,
+                                           &pci_info_dma_t, GFP_KERNEL);
+       if (!pci_info_addr)
+               return -ENOMEM;
+
+       npar = pci_info_addr;
+       err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
+       if (err)
+               goto out_free_dma;
+
+       cmd.req.arg[1] = MSD(pci_info_dma_t);
+       cmd.req.arg[2] = LSD(pci_info_dma_t);
+       cmd.req.arg[3] = pci_size;
+       err = qlcnic_issue_cmd(adapter, &cmd);
+
+       ahw->total_nic_func = 0;
+       if (err == QLCNIC_RCODE_SUCCESS) {
+               for (i = 0; i < ahw->max_vnic_func; i++, npar++, pci_info++) {
+                       pci_info->id = le16_to_cpu(npar->id);
+                       pci_info->active = le16_to_cpu(npar->active);
+                       if (!pci_info->active)
+                               continue;
+                       pci_info->type = le16_to_cpu(npar->type);
+                       err = qlcnic_get_pci_func_type(adapter, pci_info->type,
+                                                      &nic, &fcoe, &iscsi);
+                       pci_info->default_port =
+                               le16_to_cpu(npar->default_port);
+                       pci_info->tx_min_bw =
+                               le16_to_cpu(npar->tx_min_bw);
+                       pci_info->tx_max_bw =
+                               le16_to_cpu(npar->tx_max_bw);
+                       memcpy(pci_info->mac, npar->mac, ETH_ALEN);
+               }
+       } else {
+               dev_err(&adapter->pdev->dev,
+                       "Failed to get PCI Info%d\n", err);
+               err = -EIO;
+       }
+
+       ahw->total_nic_func = nic;
+       ahw->total_pci_func = nic + fcoe + iscsi;
+       if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) {
+               dev_err(&adapter->pdev->dev,
+                       "%s: Invalid function count: total nic func[%x], total pci func[%x]\n",
+                       __func__, ahw->total_nic_func, ahw->total_pci_func);
+               err = -EIO;
+       }
+       qlcnic_free_mbx_args(&cmd);
+out_free_dma:
+       dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
+               pci_info_dma_t);
+
+       return err;
+}
+
+/* Configure eSwitch for port mirroring */
+int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
+                                u8 enable_mirroring, u8 pci_func)
+{
+       struct device *dev = &adapter->pdev->dev;
+       struct qlcnic_cmd_args cmd;
+       int err = -EIO;
+       u32 arg1;
+
+       if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
+           !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE)) {
+               dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
+                       __func__);
+               return err;
+       }
+
+       arg1 = id | (enable_mirroring ? BIT_4 : 0);
+       arg1 |= pci_func << 8;
+
+       err = qlcnic_alloc_mbx_args(&cmd, adapter,
+                                   QLCNIC_CMD_SET_PORTMIRRORING);
+       if (err)
+               return err;
+
+       cmd.req.arg[1] = arg1;
+       err = qlcnic_issue_cmd(adapter, &cmd);
+
+       if (err != QLCNIC_RCODE_SUCCESS)
+               dev_err(dev, "Failed to configure port mirroring for vNIC function %d on eSwitch %d\n",
+                       pci_func, id);
+       else
+               dev_info(dev, "Configured port mirroring for vNIC function %d on eSwitch %d\n",
+                        pci_func, id);
+       qlcnic_free_mbx_args(&cmd);
+
+       return err;
+}
+
+int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
+               const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
+
+       size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
+       struct qlcnic_esw_stats_le *stats;
+       dma_addr_t stats_dma_t;
+       void *stats_addr;
+       u32 arg1;
+       struct qlcnic_cmd_args cmd;
+       int err;
+
+       if (esw_stats == NULL)
+               return -ENOMEM;
+
+       if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
+           (func != adapter->ahw->pci_func)) {
+               dev_err(&adapter->pdev->dev,
+                       "Not privilege to query stats for func=%d", func);
+               return -EIO;
+       }
+
+       stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size,
+                                        &stats_dma_t, GFP_KERNEL);
+       if (!stats_addr)
+               return -ENOMEM;
+
+       arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
+       arg1 |= rx_tx << 15 | stats_size << 16;
+
+       err = qlcnic_alloc_mbx_args(&cmd, adapter,
+                                   QLCNIC_CMD_GET_ESWITCH_STATS);
+       if (err)
+               goto out_free_dma;
+
+       cmd.req.arg[1] = arg1;
+       cmd.req.arg[2] = MSD(stats_dma_t);
+       cmd.req.arg[3] = LSD(stats_dma_t);
+       err = qlcnic_issue_cmd(adapter, &cmd);
+
+       if (!err) {
+               stats = stats_addr;
+               esw_stats->context_id = le16_to_cpu(stats->context_id);
+               esw_stats->version = le16_to_cpu(stats->version);
+               esw_stats->size = le16_to_cpu(stats->size);
+               esw_stats->multicast_frames =
+                               le64_to_cpu(stats->multicast_frames);
+               esw_stats->broadcast_frames =
+                               le64_to_cpu(stats->broadcast_frames);
+               esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
+               esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
+               esw_stats->local_frames = le64_to_cpu(stats->local_frames);
+               esw_stats->errors = le64_to_cpu(stats->errors);
+               esw_stats->numbytes = le64_to_cpu(stats->numbytes);
+       }
+
+       qlcnic_free_mbx_args(&cmd);
+out_free_dma:
+       dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
+                         stats_dma_t);
+
+       return err;
+}
+
+/* This routine will retrieve the MAC statistics from firmware */
+int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
+               struct qlcnic_mac_statistics *mac_stats)
+{
+       struct qlcnic_mac_statistics_le *stats;
+       struct qlcnic_cmd_args cmd;
+       size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
+       dma_addr_t stats_dma_t;
+       void *stats_addr;
+       int err;
+
+       if (mac_stats == NULL)
+               return -ENOMEM;
+
+       stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size,
+                                        &stats_dma_t, GFP_KERNEL);
+       if (!stats_addr)
+               return -ENOMEM;
+
+       err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS);
+       if (err)
+               goto out_free_dma;
+
+       cmd.req.arg[1] = stats_size << 16;
+       cmd.req.arg[2] = MSD(stats_dma_t);
+       cmd.req.arg[3] = LSD(stats_dma_t);
+       err = qlcnic_issue_cmd(adapter, &cmd);
+       if (!err) {
+               stats = stats_addr;
+               mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
+               mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
+               mac_stats->mac_tx_mcast_pkts =
+                                       le64_to_cpu(stats->mac_tx_mcast_pkts);
+               mac_stats->mac_tx_bcast_pkts =
+                                       le64_to_cpu(stats->mac_tx_bcast_pkts);
+               mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
+               mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
+               mac_stats->mac_rx_mcast_pkts =
+                                       le64_to_cpu(stats->mac_rx_mcast_pkts);
+               mac_stats->mac_rx_length_error =
+                               le64_to_cpu(stats->mac_rx_length_error);
+               mac_stats->mac_rx_length_small =
+                               le64_to_cpu(stats->mac_rx_length_small);
+               mac_stats->mac_rx_length_large =
+                               le64_to_cpu(stats->mac_rx_length_large);
+               mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
+               mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
+               mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
+       } else {
+               dev_err(&adapter->pdev->dev,
+                       "%s: Get mac stats failed, err=%d.\n", __func__, err);
+       }
+
+       qlcnic_free_mbx_args(&cmd);
+
+out_free_dma:
+       dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
+                         stats_dma_t);
+
+       return err;
+}
+
+int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
+               const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
+
+       struct __qlcnic_esw_statistics port_stats;
+       u8 i;
+       int ret = -EIO;
+
+       if (esw_stats == NULL)
+               return -ENOMEM;
+       if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
+               return -EIO;
+       if (adapter->npars == NULL)
+               return -EIO;
+
+       memset(esw_stats, 0, sizeof(u64));
+       esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
+       esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
+       esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
+       esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
+       esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
+       esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
+       esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
+       esw_stats->context_id = eswitch;
+
+       for (i = 0; i < adapter->ahw->total_nic_func; i++) {
+               if (adapter->npars[i].phy_port != eswitch)
+                       continue;
+
+               memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
+               if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
+                                         rx_tx, &port_stats))
+                       continue;
+
+               esw_stats->size = port_stats.size;
+               esw_stats->version = port_stats.version;
+               QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
+                                               port_stats.unicast_frames);
+               QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
+                                               port_stats.multicast_frames);
+               QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
+                                               port_stats.broadcast_frames);
+               QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
+                                               port_stats.dropped_frames);
+               QLCNIC_ADD_ESW_STATS(esw_stats->errors,
+                                               port_stats.errors);
+               QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
+                                               port_stats.local_frames);
+               QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
+                                               port_stats.numbytes);
+               ret = 0;
+       }
+       return ret;
+}
+
+int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
+               const u8 port, const u8 rx_tx)
+{
+       struct qlcnic_hardware_context *ahw = adapter->ahw;
+       struct qlcnic_cmd_args cmd;
+       int err;
+       u32 arg1;
+
+       if (ahw->op_mode != QLCNIC_MGMT_FUNC)
+               return -EIO;
+
+       if (func_esw == QLCNIC_STATS_PORT) {
+               if (port >= ahw->max_vnic_func)
+                       goto err_ret;
+       } else if (func_esw == QLCNIC_STATS_ESWITCH) {
+               if (port >= QLCNIC_NIU_MAX_XG_PORTS)
+                       goto err_ret;
+       } else {
+               goto err_ret;
+       }
+
+       if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
+               goto err_ret;
+
+       arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
+       arg1 |= BIT_14 | rx_tx << 15;
+
+       err = qlcnic_alloc_mbx_args(&cmd, adapter,
+                                   QLCNIC_CMD_GET_ESWITCH_STATS);
+       if (err)
+               return err;
+
+       cmd.req.arg[1] = arg1;
+       err = qlcnic_issue_cmd(adapter, &cmd);
+       qlcnic_free_mbx_args(&cmd);
+       return err;
+
+err_ret:
+       dev_err(&adapter->pdev->dev,
+               "Invalid args func_esw %d port %d rx_ctx %d\n",
+               func_esw, port, rx_tx);
+       return -EIO;
+}
+
+static int __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
+                                           u32 *arg1, u32 *arg2)
+{
+       struct device *dev = &adapter->pdev->dev;
+       struct qlcnic_cmd_args cmd;
+       u8 pci_func = *arg1 >> 8;
+       int err;
+
+       err = qlcnic_alloc_mbx_args(&cmd, adapter,
+                                   QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG);
+       if (err)
+               return err;
+
+       cmd.req.arg[1] = *arg1;
+       err = qlcnic_issue_cmd(adapter, &cmd);
+       *arg1 = cmd.rsp.arg[1];
+       *arg2 = cmd.rsp.arg[2];
+       qlcnic_free_mbx_args(&cmd);
+
+       if (err == QLCNIC_RCODE_SUCCESS)
+               dev_info(dev, "Get eSwitch port config for vNIC function %d\n",
+                        pci_func);
+       else
+               dev_err(dev, "Failed to get eswitch port config for vNIC function %d\n",
+                       pci_func);
+       return err;
+}
+/* Configure eSwitch port
+op_mode = 0 for setting default port behavior
+op_mode = 1 for setting  vlan id
+op_mode = 2 for deleting vlan id
+op_type = 0 for vlan_id
+op_type = 1 for port vlan_id
+*/
+int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
+               struct qlcnic_esw_func_cfg *esw_cfg)
+{
+       struct device *dev = &adapter->pdev->dev;
+       struct qlcnic_cmd_args cmd;
+       int err = -EIO, index;
+       u32 arg1, arg2 = 0;
+       u8 pci_func;
+
+       if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
+               dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
+                       __func__);
+               return err;
+       }
+
+       pci_func = esw_cfg->pci_func;
+       index = qlcnic_is_valid_nic_func(adapter, pci_func);
+       if (index < 0)
+               return err;
+       arg1 = (adapter->npars[index].phy_port & BIT_0);
+       arg1 |= (pci_func << 8);
+
+       if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
+               return err;
+       arg1 &= ~(0x0ff << 8);
+       arg1 |= (pci_func << 8);
+       arg1 &= ~(BIT_2 | BIT_3);
+       switch (esw_cfg->op_mode) {
+       case QLCNIC_PORT_DEFAULTS:
+               arg1 |= (BIT_4 | BIT_6 | BIT_7);
+               arg2 |= (BIT_0 | BIT_1);
+               if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
+                       arg2 |= (BIT_2 | BIT_3);
+               if (!(esw_cfg->discard_tagged))
+                       arg1 &= ~BIT_4;
+               if (!(esw_cfg->promisc_mode))
+                       arg1 &= ~BIT_6;
+               if (!(esw_cfg->mac_override))
+                       arg1 &= ~BIT_7;
+               if (!(esw_cfg->mac_anti_spoof))
+                       arg2 &= ~BIT_0;
+               if (!(esw_cfg->offload_flags & BIT_0))
+                       arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
+               if (!(esw_cfg->offload_flags & BIT_1))
+                       arg2 &= ~BIT_2;
+               if (!(esw_cfg->offload_flags & BIT_2))
+                       arg2 &= ~BIT_3;
+               break;
+       case QLCNIC_ADD_VLAN:
+                       arg1 &= ~(0x0ffff << 16);
+                       arg1 |= (BIT_2 | BIT_5);
+                       arg1 |= (esw_cfg->vlan_id << 16);
+                       break;
+       case QLCNIC_DEL_VLAN:
+                       arg1 |= (BIT_3 | BIT_5);
+                       arg1 &= ~(0x0ffff << 16);
+                       break;
+       default:
+               dev_err(&adapter->pdev->dev, "%s: Invalid opmode 0x%x\n",
+                       __func__, esw_cfg->op_mode);
+               return err;
+       }
+
+       err = qlcnic_alloc_mbx_args(&cmd, adapter,
+                                   QLCNIC_CMD_CONFIGURE_ESWITCH);
+       if (err)
+               return err;
+
+       cmd.req.arg[1] = arg1;
+       cmd.req.arg[2] = arg2;
+       err = qlcnic_issue_cmd(adapter, &cmd);
+       qlcnic_free_mbx_args(&cmd);
+
+       if (err != QLCNIC_RCODE_SUCCESS)
+               dev_err(dev, "Failed to configure eswitch for vNIC function %d\n",
+                       pci_func);
+       else
+               dev_info(dev, "Configured eSwitch for vNIC function %d\n",
+                        pci_func);
+
+       return err;
+}
+
+int
+qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
+                       struct qlcnic_esw_func_cfg *esw_cfg)
+{
+       u32 arg1, arg2;
+       int index;
+       u8 phy_port;
+
+       if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
+               index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
+               if (index < 0)
+                       return -EIO;
+               phy_port = adapter->npars[index].phy_port;
+       } else {
+               phy_port = adapter->ahw->physical_port;
+       }
+       arg1 = phy_port;
+       arg1 |= (esw_cfg->pci_func << 8);
+       if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
+               return -EIO;
+
+       esw_cfg->discard_tagged = !!(arg1 & BIT_4);
+       esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
+       esw_cfg->promisc_mode = !!(arg1 & BIT_6);
+       esw_cfg->mac_override = !!(arg1 & BIT_7);
+       esw_cfg->vlan_id = LSW(arg1 >> 16);
+       esw_cfg->mac_anti_spoof = (arg2 & 0x1);
+       esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
+
+       return 0;
+}