net/i40e: fix flow director Rx writeback packet

[dpdk.git] / drivers / net / i40e / i40e_fdir.c

diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c
index 9998e5d..8e87b4a 100644 (file)
--- a/drivers/net/i40e/i40e_fdir.c
+++ b/drivers/net/i40e/i40e_fdir.c
@@ -231,6 +231,11 @@ i40e_fdir_setup(struct i40e_pf *pf)
                goto fail_mem;
        }
 
+       /* enable FDIR MSIX interrupt */
+       vsi->nb_used_qps = 1;
+       i40e_vsi_queues_bind_intr(vsi, I40E_ITR_INDEX_NONE);
+       i40e_vsi_enable_queues_intr(vsi);
+
        /* reserve memory for the fdir programming packet */
        snprintf(z_name, sizeof(z_name), "%s_%s_%d",
                        eth_dev->device->driver->name,
@@ -287,12 +292,18 @@ i40e_fdir_teardown(struct i40e_pf *pf)
        vsi = pf->fdir.fdir_vsi;
        if (!vsi)
                return;
+
+       /* disable FDIR MSIX interrupt */
+       i40e_vsi_queues_unbind_intr(vsi);
+       i40e_vsi_disable_queues_intr(vsi);
+
        int err = i40e_switch_tx_queue(hw, vsi->base_queue, FALSE);
        if (err)
                PMD_DRV_LOG(DEBUG, "Failed to do FDIR TX switch off");
        err = i40e_switch_rx_queue(hw, vsi->base_queue, FALSE);
        if (err)
                PMD_DRV_LOG(DEBUG, "Failed to do FDIR RX switch off");
+
        i40e_dev_rx_queue_release(pf->fdir.rxq);
        rte_eth_dma_zone_free(dev, "fdir_rx_ring", pf->fdir.rxq->queue_id);
        pf->fdir.rxq = NULL;