From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH] examples: fix symmetric_mp, set NIC rx_drop_en bit Date: Thu, 04 Dec 2014 14:37:15 +0100 Message-ID: <1770523.OPzYA99vBi@xps13> References: <1417625819-3024-1-git-send-email-bruce.richardson@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev-VfR2kkLFssw@public.gmane.org To: Bruce Richardson Return-path: In-Reply-To: <1417625819-3024-1-git-send-email-bruce.richardson-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" 2014-12-03 16:56, Bruce Richardson: > The symmetric_mp example app is set up to allow two processes to > share a NIC port, with each pulling packets from one queue. In order > to have the app continue working when one of the process dies, the > drop_en bit should be set in the NIC configuration. Without this bit > set, the NIC will stall once any queue fills. With the bit set, once > a queue fills, all subsequent packets for that queue are discarded > allowing other queues to continue operating as normal. > > This setting was missed when converting to use standardised defaults > in commit 81f7ecd9. I don't see rx_drop_en in commit 81f7ecd9. Why do you say it was missed? -- Thomas