From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: Need to set if_index in ib_init_ah_from_wc() ? Date: Thu, 9 Feb 2017 11:48:58 -0700 Message-ID: <20170209184858.GB809@obsidianresearch.com> References: <20170130195412.GE24466@obsidianresearch.com> <20170130211420.GB27111@obsidianresearch.com> <20170130221437.GA28117@obsidianresearch.com> <20170131005340.GA30809@obsidianresearch.com> <20170208174040.GC30720@obsidianresearch.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Matan Barak Cc: Parav Pandit , Roland Dreier , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Matan Barak List-Id: linux-rdma@vger.kernel.org On Thu, Feb 09, 2017 at 10:40:38AM +0200, Matan Barak wrote: > Well, some applications (maybe a lot of them), creates an AH from > the first received packet (of each node) and then just assumes the > rest of the packets comes from the same logical netdev. Since there > is no binding to a netdev, other packets could differ vastly from > this one. That's what I meant by "symmetrical". Such applications should create a UD QP per netdev they want to operate on. There is no good reason to have a single 'all device' UD QP in user space. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html