Tested-by:  Xie,WeiX < weix....@intel.com>

Regards,
Xie Wei


> -----Original Message-----
> From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Jingjing Wu
> Sent: Thursday, January 7, 2021 4:27 PM
> To: dev@dpdk.org
> Cc: Wu, Jingjing <jingjing...@intel.com>; Xing, Beilei
> <beilei.x...@intel.com>; Xia, Chenbo <chenbo....@intel.com>; Lu, Xiuchun
> <xiuchun...@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...@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

Reply via email to