From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: SRP issues with OpenSM 3.3.3 Date: Tue, 15 Dec 2009 10:15:32 -0700 Message-ID: <20091215171532.GA8288@obsidianresearch.com> References: <20091214164334.064102f0.weiny2@llnl.gov> <20091215170317.GV5262@me> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20091215170317.GV5262@me> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sasha Khapyorsky Cc: Ira Weiny , Hal Rosenstock , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-rdma@vger.kernel.org > > However, I don't understand the comment "Only set HopLimit if going through a > > router"? > > This is from '#ifdef ROUTER_EXP' days - as far as I could understand > HopLimit should be set to IB_HOPLIMIT_MAX for inter-subnet MADs. If HopLimit is 0 then no GRH is required, if it is non 0 then the user of that path needs to apply a GRH. IIRC there are already a few things in the kernel that follow this? 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