From: Steven Dake <sdake-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: ib-x2spCj9RiN0z5UmgcLIfJQ@public.gmane.org
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: Is multicast only available with UD Transport mode?
Date: Tue, 16 Nov 2010 11:03:06 -0700 [thread overview]
Message-ID: <4CE2C75A.3000006@redhat.com> (raw)
In-Reply-To: <20101116100940.uxjift8pwwg40osc-x2spCj9RiN0z5UmgcLIfJQ@public.gmane.org>
On 11/16/2010 10:09 AM, ib-x2spCj9RiN0z5UmgcLIfJQ@public.gmane.org wrote:
> According to a document I have, "RDMA Aware Networks Programming User
> Manual" from Mellanox, the max message size for UD is the MTU. Is the
> MTU tweakable? What are the limits of tweakability?
>
> E
>
Some systems have a network MTU of 2048 other cards/switches are 4096.
Don't forget you will need the header in the message which consumes some
of the MTU room available.
Regards
-steve
>
> Quoting "Hefty, Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>:
>
>>> Is multicast only available with UD Transport mode?
>>
>> yes
>>
>
>
>
> --
> 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
next prev parent reply other threads:[~2010-11-16 18:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-12 17:12 Is multicast only available with UD Transport mode? ib-x2spCj9RiN0z5UmgcLIfJQ
[not found] ` <20101112101223.44mbsbnygwcw0008-6c4oY0qWgKW61VtY7fu8aA@public.gmane.org>
2010-11-12 17:13 ` Hefty, Sean
[not found] ` <CF9C39F99A89134C9CF9C4CCB68B8DDF25B852237B-osO9UTpF0USkrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2010-11-16 17:09 ` ib-x2spCj9RiN0z5UmgcLIfJQ
[not found] ` <20101116100940.uxjift8pwwg40osc-x2spCj9RiN0z5UmgcLIfJQ@public.gmane.org>
2010-11-16 18:03 ` Steven Dake [this message]
2010-11-13 8:35 ` Bart Van Assche
[not found] ` <AANLkTi=Pdk5nZXq+Yed=fbxXLwkSJGere=26-3YNmd_Y-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-11-14 22:06 ` Steven Dake
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=4CE2C75A.3000006@redhat.com \
--to=sdake-h+wxahxf7alqt0dzr+alfa@public.gmane.org \
--cc=ib-x2spCj9RiN0z5UmgcLIfJQ@public.gmane.org \
--cc=linux-rdma-u79uwXL29TY76Z2rM5mHXA@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.