[dpdk-dev] [PATCH] net/hns3: fix mailbox communication with HW

[Ferruh Yigit]

On 10/28/2021 12:52 PM, Min Hu (Connor) wrote:
> Mailbox is the communication mechanism between SW and HW. There exist two
> approaches for SW to recongnize mailbox message from HW. One way is using
> match_id, the other is to compare the message code. The two approaches are
> independent and used in different scenarios.
> 
> But for the second approache, "next_to_use" should be updated and written
> to HW register. If it not done, HW do not know the position SW steps, then,
> the communication between SW and HW will turn to be failed.
> 
> Fixes: dbbbad23e380 ("net/hns3: fix VF handling LSC event in secondary process")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Min Hu (Connor) <humin29 at huawei.com>

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