From: Greg Rose <gvrose8192-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Hal Rosenstock <hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
Cc: "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: Infiniband Subnet Manager protocol specification
Date: Tue, 04 Apr 2017 12:25:09 -0700 [thread overview]
Message-ID: <1491333909.30720.8.camel@gmail.com> (raw)
In-Reply-To: <08ac66c1-2984-56e2-c648-6328e05bfe8e-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.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
> >
> >
> > --
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> >
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prev parent reply other threads:[~2017-04-04 19:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-04 19:06 Infiniband Subnet Manager protocol specification Greg Rose
[not found] ` <1491332806.30720.7.camel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-04-04 19:14 ` Hal Rosenstock
[not found] ` <08ac66c1-2984-56e2-c648-6328e05bfe8e-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2017-04-04 19:25 ` Greg Rose [this message]
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