[dpdk-dev] [PATCH] net/i40e: fix VF cannot forward packets issue

Xing, Beilei beilei.xing at intel.com
Thu Nov 9 09:33:38 CET 2017


> -----Original Message-----
> From: Li, Xiaoyun
> Sent: Thursday, November 9, 2017 2:30 PM
> To: Wu, Jingjing <jingjing.wu at intel.com>; Xing, Beilei <beilei.xing at intel.com>
> Cc: dev at dpdk.org; Li, Xiaoyun <xiaoyun.li at intel.com>; stable at dpdk.org
> Subject: [PATCH] net/i40e: fix VF cannot forward packets issue
> 
> When Rx interrupt is not enabled, there is no need to check if interrupt allow
> others. It will cause VF cannot forwarding packets issue. This patch fixes this
> issue.
> 
> Fixes: 96a9fd03c25f ("net/i40e: fix Rx queue interrupt mapping in VF")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Xiaoyun Li <xiaoyun.li at intel.com>
> ---
>  drivers/net/i40e/i40e_ethdev_vf.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/i40e/i40e_ethdev_vf.c
> b/drivers/net/i40e/i40e_ethdev_vf.c
> index 02d9e57..91b5bb0 100644
> --- a/drivers/net/i40e/i40e_ethdev_vf.c
> +++ b/drivers/net/i40e/i40e_ethdev_vf.c
> @@ -650,7 +650,8 @@ i40evf_config_irq_map(struct rte_eth_dev *dev)
>  	uint32_t vector_id;
>  	int i, err;
> 
> -	if (rte_intr_allow_others(intr_handle))
> +	if (dev->data->dev_conf.intr_conf.rxq != 0 &&
> +	    rte_intr_allow_others(intr_handle))
>  		vector_id = I40E_RX_VEC_START;
>  	else
>  		vector_id = I40E_MISC_VEC_ID;
> --
> 2.7.4

Acked-by: Beilei Xing <beilei.xing at intel.com>



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