[dpdk-dev] [PATCH] net/iavf: fix vector mapping with queue
From: Jingjing Wu <hidden>
Date: 2021-01-28 02:39:10
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted>
---
drivers/net/iavf/iavf_ethdev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c
index cf6ea0b15..eb800771d 100644
--- a/drivers/net/iavf/iavf_ethdev.c
+++ b/drivers/net/iavf/iavf_ethdev.c@@ -612,7 +612,7 @@ 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, + vf->nb_msix = RTE_MIN(vf->vf_res->max_vectors - 1, intr_handle->nb_efd); vf->msix_base = IAVF_RX_VEC_START; vec = IAVF_RX_VEC_START;
@@ -620,7 +620,7 @@ static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev, 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