[dpdk-dev] [PATCH v3 5/5] net/iavf: fix vector mapping with queue
Xie, WeiX
weix.xie at intel.com
Thu Jan 14 11:24:35 CET 2021
Tested-by: Xie,WeiX < weix.xie at intel.com>
Regards,
Xie Wei
> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Jingjing Wu
> Sent: Thursday, January 7, 2021 4:27 PM
> To: dev at dpdk.org
> Cc: Wu, Jingjing <jingjing.wu at intel.com>; Xing, Beilei
> <beilei.xing at intel.com>; Xia, Chenbo <chenbo.xia at intel.com>; Lu, Xiuchun
> <xiuchun.lu at intel.com>
> Subject: [dpdk-dev] [PATCH v3 5/5] 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")
>
> Signed-off-by: Jingjing Wu <jingjing.wu at intel.com>
> ---
> 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 06395f852b..b169b19975 100644
> --- a/drivers/net/iavf/iavf_ethdev.c
> +++ b/drivers/net/iavf/iavf_ethdev.c
> @@ -570,7 +570,7 @@ 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;
> @@ -578,7 +578,7 @@ 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
More information about the dev
mailing list