From b08728b4a001822d71e0a88487c3814c60a502c9 Mon Sep 17 00:00:00 2001 From: Jingjing Wu Date: Thu, 28 Jan 2021 23:00:21 +0800 Subject: [PATCH] net/iavf: fix vector mapping with queue Fix the vector mapping with queue by changing the recircle when exceeds RX_VEC_START + nb_msix; Fixes: d6bde6b5eae9 ("net/avf: enable Rx interrupt") Cc: stable@dpdk.org Signed-off-by: Jingjing Wu Acked-by: Beilei Xing --- drivers/net/iavf/iavf_ethdev.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c index 5309427082..b20657221a 100644 --- a/drivers/net/iavf/iavf_ethdev.c +++ b/drivers/net/iavf/iavf_ethdev.c @@ -610,15 +610,15 @@ static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev, /* If Rx interrupt is reuquired, and we can use * multi interrupts, then the vec is from 1 */ - vf->nb_msix = RTE_MIN(vf->vf_res->max_vectors, - intr_handle->nb_efd); + vf->nb_msix = RTE_MIN(intr_handle->nb_efd, + (uint16_t)(vf->vf_res->max_vectors - 1)); vf->msix_base = IAVF_RX_VEC_START; vec = IAVF_RX_VEC_START; for (i = 0; i < dev->data->nb_rx_queues; i++) { qv_map[i].queue_id = i; qv_map[i].vector_id = vec; intr_handle->intr_vec[i] = vec++; - if (vec >= vf->nb_msix) + if (vec >= vf->nb_msix + IAVF_RX_VEC_START) vec = IAVF_RX_VEC_START; } vf->qv_map = qv_map; -- 2.20.1