[dpdk-stable] [dpdk-dev] [PATCH] net/hns3: fix checking enough Tx BDs

[Ferruh Yigit]

On 11/25/2019 9:00 AM, Wei Hu (Xavier) wrote:
> From: "Wei Hu (Xavier)" <xavier.huwei at huawei.com>
> 
> In .tx_pkt_burst ops implementation function of hns3 PMD driver,
> there is one check whether there are enough BDs in the TX queue.
> If not, driver will stop sending the packets.
> 
> Currently in the 'for' process loop, the next_to_use member of
> TX queue is not updated in time after processing BDs of one packet,
> which results in the invalid action of checking whether there are
> enough BDs and failure in sending packets.
> 
> This patch fixes it by moving the assignment statment of the
> next_to_use member of TX queue to the place after porcessing TX BDs
> in the 'for' loop.
> 
> Fixes: bba636698316 ("net/hns3: support Rx/Tx and related operations")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Hongbo Zheng <zhenghongbo3 at huawei.com>
> Signed-off-by: Huisong Li <lihuisong at huawei.com>
> Signed-off-by: Wei Hu (Xavier) <xavier.huwei at huawei.com>

Applied to dpdk-next-net/master, thanks.