From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ferruh Yigit Subject: Re: [dpdk-stable] [PATCH 1/1] net/qede: fix receive packet drop Date: Tue, 19 Mar 2019 19:01:18 +0000 Message-ID: <191681db-035a-fb28-b957-9e4023349b3d@intel.com> References: <20190312165114.23740-1-shshaikh@marvell.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: "stable@dpdk.org" To: Rasesh Mody , Shahed Shaikh , "dev@dpdk.org" Return-path: In-Reply-To: Content-Language: en-US List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 3/13/2019 5:55 PM, Rasesh Mody wrote: >> From: dev On Behalf Of Shahed Shaikh >> Sent: Tuesday, March 12, 2019 9:51 AM >> >> There is a corner case in which driver won't post receive buffers when driver >> has processed all received packets in single loop (i.e. hw_consumer == >> sw_consumer) and then HW will start dropping packets since it did not see >> new receive buffers posted. >> >> This corner case is seen when size of Rx ring is less than or equals Rx packet >> burst count for dev->rx_pkt_burst(). >> >> Fixes: 8f2312474529 ("net/qede: fix performance bottleneck in Rx path") >> Cc: stable@dpdk.org >> >> Signed-off-by: Shahed Shaikh >> --- > > Acked-by: Rasesh Mody Applied to dpdk-next-net/master, thanks.