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From: Jingjing Wu <jingjing.wu@intel.com>
To: dev@dpdk.org
Cc: jingjing.wu@intel.com, beilei.xing@intel.com, stable@dpdk.org
Subject: [dpdk-dev] [PATCH v2] net/iavf: fix vector mapping with queue
Date: Thu, 28 Jan 2021 23:00:21 +0800
Message-ID: <20210128150021.784-1-jingjing.wu@intel.com> (raw)
In-Reply-To: <20210128023724.39057-1-jingjing.wu@intel.com>

Fix the vector mapping with queue by changing the recircle when
exceeds RX_VEC_START + nb_msix;

Fixes: d6bde6b5eae9 ("net/avf: enable Rx interrupt")

Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
---
v2:
 - fix compile warning.

 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 cf6ea0b15..744904e6e 100644
--- a/drivers/net/iavf/iavf_ethdev.c
+++ b/drivers/net/iavf/iavf_ethdev.c
@@ -612,15 +612,15 @@ 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;
-- 
2.21.1


  parent reply	other threads:[~2021-01-28 15:02 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-28  2:37 [dpdk-dev] [PATCH] " Jingjing Wu
2021-01-28  3:32 ` Xing, Beilei
2021-01-28 14:07   ` Zhang, Qi Z
2021-01-28 15:00 ` Jingjing Wu [this message]
2021-01-29  2:24   ` [dpdk-dev] [PATCH v2] " Zhang, Qi Z

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