On Feb 4, 2011, at 11:00 PM, Robert N. M. Watson wrote: > > On 4 Feb 2011, at 13:30, Michael Tuexen wrote: > >>> Hmm. It might be better to add a new NETISR_SCTP and use netisr's support >>> for multithreading? >> That sounds really good. >> >> Is it possible that different network cards put packets in the same queue? >> That would be helpful in the case of SCTP. >>> >>> (I'm preparing a patch for review that enhances that a bit so that >>> protocols can be a bit more expressive in terms of specifying dispatch >>> policy, etc, currently). >> Great! > > You get a spectrum of possibilities -- protocols can request source ordering > (i.e., ifnet), flow ordering (in which they expose ordering information but > not CPU affinity), or a full CPU affinity. How work is distributed and what > queue it ends up in depends on the model, but yes, you can request that > interfaces distribute packets to various queues, and that multiple interfaces > use consistent distribution models. I implement this for RSS, where there's a > global RSS setup that is propagated to supporting device drivers so that they > can align their distribution with the network stack's affinity model for > connection groups. That sounds great. Let us know when the code is ready for testing...
Best regards Michael > > Robert > > _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
