net/bnxt: support enable/disable interrupt

[dpdk.git] / drivers / net / bnxt / bnxt_ethdev.c

diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index 4b5ebd8..6e0fe34 100644 (file)
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -202,8 +202,16 @@ static int bnxt_init_chip(struct bnxt *bp)
 {
        unsigned int i, rss_idx, fw_idx;
        struct rte_eth_link new;
+       struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(bp->eth_dev);
+       struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
+       uint32_t intr_vector = 0;
+       uint32_t queue_id, base = BNXT_MISC_VEC_ID;
+       uint32_t vec = BNXT_MISC_VEC_ID;
        int rc;
 
+       /* disable uio/vfio intr/eventfd mapping */
+       rte_intr_disable(intr_handle);
+
        if (bp->eth_dev->data->mtu > ETHER_MTU) {
                bp->eth_dev->data->dev_conf.rxmode.jumbo_frame = 1;
                bp->flags |= BNXT_FLAG_JUMBO;
@@ -306,6 +314,48 @@ static int bnxt_init_chip(struct bnxt *bp)
                goto err_out;
        }
 
+       /* check and configure queue intr-vector mapping */
+       if ((rte_intr_cap_multiple(intr_handle) ||
+            !RTE_ETH_DEV_SRIOV(bp->eth_dev).active) &&
+           bp->eth_dev->data->dev_conf.intr_conf.rxq != 0) {
+               intr_vector = bp->eth_dev->data->nb_rx_queues;
+               RTE_LOG(INFO, PMD, "%s(): intr_vector = %d\n", __func__,
+                       intr_vector);
+               if (intr_vector > bp->rx_cp_nr_rings) {
+                       RTE_LOG(ERR, PMD, "At most %d intr queues supported",
+                                       bp->rx_cp_nr_rings);
+                       return -ENOTSUP;
+               }
+               if (rte_intr_efd_enable(intr_handle, intr_vector))
+                       return -1;
+       }
+
+       if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
+               intr_handle->intr_vec =
+                       rte_zmalloc("intr_vec",
+                                   bp->eth_dev->data->nb_rx_queues *
+                                   sizeof(int), 0);
+               if (intr_handle->intr_vec == NULL) {
+                       RTE_LOG(ERR, PMD, "Failed to allocate %d rx_queues"
+                               " intr_vec", bp->eth_dev->data->nb_rx_queues);
+                       return -ENOMEM;
+               }
+               RTE_LOG(DEBUG, PMD, "%s(): intr_handle->intr_vec = %p "
+                       "intr_handle->nb_efd = %d intr_handle->max_intr = %d\n",
+                        __func__, intr_handle->intr_vec, intr_handle->nb_efd,
+                       intr_handle->max_intr);
+       }
+
+       for (queue_id = 0; queue_id < bp->eth_dev->data->nb_rx_queues;
+            queue_id++) {
+               intr_handle->intr_vec[queue_id] = vec;
+               if (vec < base + intr_handle->nb_efd - 1)
+                       vec++;
+       }
+
+       /* enable uio/vfio intr/eventfd mapping */
+       rte_intr_enable(intr_handle);
+
        rc = bnxt_get_hwrm_link_config(bp, &new);
        if (rc) {
                RTE_LOG(ERR, PMD, "HWRM Get link config failure rc: %x\n", rc);
@@ -421,6 +471,8 @@ static void bnxt_dev_info_get_op(struct rte_eth_dev *eth_dev,
        };
        eth_dev->data->dev_conf.intr_conf.lsc = 1;
 
+       eth_dev->data->dev_conf.intr_conf.rxq = 1;
+
        /* *INDENT-ON* */
 
        /*
@@ -2009,6 +2061,8 @@ static const struct eth_dev_ops bnxt_dev_ops = {
        .rx_queue_release = bnxt_rx_queue_release_op,
        .tx_queue_setup = bnxt_tx_queue_setup_op,
        .tx_queue_release = bnxt_tx_queue_release_op,
+       .rx_queue_intr_enable = bnxt_rx_queue_intr_enable_op,
+       .rx_queue_intr_disable = bnxt_rx_queue_intr_disable_op,
        .reta_update = bnxt_reta_update_op,
        .reta_query = bnxt_reta_query_op,
        .rss_hash_update = bnxt_rss_hash_update_op,