All of lore.kernel.org
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
To: Sagi Grimberg <sagig-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: RDMA/CM and multiple QPs
Date: Thu, 10 Sep 2015 06:29:27 -0700	[thread overview]
Message-ID: <20150910132927.GA6440@infradead.org> (raw)
In-Reply-To: <55F15269.2060200-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>

On Thu, Sep 10, 2015 at 12:50:33PM +0300, Sagi Grimberg wrote:
> >What I'm more interested in is a way to tell the CM that I only
> >want routes that are using this ib_device that I got from the first
> >lookup as all others are useless for me.
> >
> 
> I'm not sure I understand what you are aiming for? if you connect to
> a single address multiple times you will get the same device because
> it is the same route right?

In testing I do get the same all the time, but I don't see anything that
gurantees that in code or documentation.

Think about the case where the routing changes between the calls, or
we're using multipath TCP for example.
--
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

  parent reply	other threads:[~2015-09-10 13:29 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-06  6:45 RDMA/CM and multiple QPs Christoph Hellwig
     [not found] ` <20150906064550.GA30683-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2015-09-06  7:42   ` Parav Pandit
     [not found]     ` <CAG53R5VZDZKiuR-jLybS1PhrT9K4GG6xTr8bOG-L0VaQgqEXSA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-06  7:50       ` Christoph Hellwig
     [not found]         ` <20150906075024.GA7845-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2015-09-06  7:54           ` Parav Pandit
     [not found]             ` <CAG53R5UsH3aEmRf2EgNYydJ=cMZCFG19ZQjHcLn=NjQxsnwf-g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-07  5:08               ` Christoph Hellwig
2015-09-06 15:15           ` Bart Van Assche
     [not found]             ` <55EC5879.202-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-09-08 13:57               ` Tom Talpey
     [not found]                 ` <55EEE936.3060702-CLs1Zie5N5HQT0dZR+AlfA@public.gmane.org>
2015-09-08 15:07                   ` Bart Van Assche
2015-09-08 12:32   ` Sagi Grimberg
     [not found]     ` <55EED54B.7090608-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-09-08 13:14       ` Christoph Hellwig
     [not found]         ` <20150908131407.GB5316-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2015-09-10  9:50           ` Sagi Grimberg
     [not found]             ` <55F15269.2060200-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-09-10 13:29               ` Christoph Hellwig [this message]
     [not found]                 ` <20150910132927.GA6440-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2015-09-10 13:52                   ` Sagi Grimberg
2015-09-10 16:30   ` Hefty, Sean
     [not found]     ` <1828884A29C6694DAF28B7E6B8A82373A903A082-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-09-10 17:55       ` Parav Pandit

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20150910132927.GA6440@infradead.org \
    --to=hch-wegcikhe2lqwvfeawa7xhq@public.gmane.org \
    --cc=linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=sagig-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.