[PATCH v3] net/i40e: reduce redundant reset operation

[Zhang, Qi Z]

> -----Original Message-----
> From: Feifei Wang <feifei.wang2 at arm.com>
> Sent: Thursday, January 27, 2022 3:40 PM
> To: Xing, Beilei <beilei.xing at intel.com>
> Cc: dev at dpdk.org; nd at arm.com; Feifei Wang <feifei.wang2 at arm.com>;
> Ruifeng Wang <ruifeng.wang at arm.com>
> Subject: [PATCH v3] net/i40e: reduce redundant reset operation
> 
> For free buffer operation in i40e vector path, it is unnecessary to store 'NULL'
> into txep.mbuf. This is because when putting mbuf into Tx queue, tx_tail is the
> sentinel. And when doing tx_free, tx_next_dd is the sentinel. In all processes,
> mbuf==NULL is not a condition in check.
> Thus reset of mbuf is unnecessary and can be omitted.
> 
> Signed-off-by: Feifei Wang <feifei.wang2 at arm.com>
> Reviewed-by: Ruifeng Wang <ruifeng.wang at arm.com>

Acked-by: Qi Zhang <qi.z.zhang at intel.com>

Applied to dpdk-next-net-intel.

Thanks
Qi