From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Rose Subject: Re: Infiniband Subnet Manager protocol specification Date: Tue, 04 Apr 2017 12:25:09 -0700 Message-ID: <1491333909.30720.8.camel@gmail.com> References: <1491332806.30720.7.camel@gmail.com> <08ac66c1-2984-56e2-c648-6328e05bfe8e@dev.mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <08ac66c1-2984-56e2-c648-6328e05bfe8e-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Hal Rosenstock Cc: "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-rdma@vger.kernel.org On Tue, 2017-04-04 at 15:14 -0400, Hal Rosenstock wrote: > Hi Greg, > > On 4/4/2017 3:06 PM, Greg Rose wrote: > > Greetings all, > > > > I am currently writing a Infiniband SW overlay driver for our RDMA > > "like" network switches and HBA controllers. I've gotten everything to > > the point where I am getting SM 'get' requests that I know my > > 'process_mad' function is supposed to handle but I cannot for the life > > of me find the protocol specification for Subnet Manager MAD packets. > > > > I'm using opensm for the subnet manager and as of now it always reports > > missing SM master. I gather that is because I'm not handling the > > packets that come in that need MAD processing correctly. > > > > Googling for "Infiniband Subnet Manager protocol specification" is not > > turning up anything useful. > > > > If there is a better search term, or if there is a pointer to the > > specification that someone can provide I'd be very grateful. > > You can find all the details in IBTA (InfiniBand Trade Association) > version 1.3 volume 1. SM class MADs are found in chapter 14. Oh boy... that's a fat spec! But it seems to have what I need. Looks like I have some reading to do. Thank you very much! - Greg > > -- Hal > > > Thanks, > > > > - Greg Rose > > > > > > -- > > 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 > > -- 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