On Thu, Dec 04, 2014 at 04:36:42PM +0100, Thomas Monjalon wrote: > 2014-12-04 14:03, Bruce Richardson: > > On Thu, Dec 04, 2014 at 02:37:15PM +0100, Thomas Monjalon wrote: > > > 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? > > > > > This is the one app that needs the drop_en bit set, and the bit is not set > > in the > > defaults. Therefore, when this app was converted to use the defaults from > > the > > driver, the drop_en bit should have been explicitly set as in this patch. > > [The > > fact of there being no drop_en bit in the commit is proof of its absense > > :-)]. > > So you agree this bit was never been set for this app? > Therefore I should remove the last sentence of your commit log before > applying? > > Oh, now I get your point. Looking at 1.7 release, yes, this bit was never set but should really have been set. Therefore, please remove the last line as you suggest.
/Bruce