From: Andi Kleen <ak@suse.de>
To: berthiaume_wayne@emc.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: Multicast Broadcast
Date: 26 Nov 2001 17:15:42 +0100 [thread overview]
Message-ID: <p73y9kth5jl.fsf@amdsim2.suse.de> (raw)
In-Reply-To: <93F527C91A6ED411AFE10050040665D00241AB08@corpusmx1.us.dg.com.suse.lists.linux.kernel>
In-Reply-To: berthiaume_wayne@emc.com's message of "26 Nov 2001 16:51:37 +0100"
berthiaume_wayne@emc.com writes:
> One potential work-around is a patch to
> net/ipv4/igmp.c:ip_mc_join_group.
> For example:
>
> #ifdef DUAL_MCAST_BIND
> if(!imr->imr_ifindex) {
> imr->ifindex=2; /* eth0 */
> err=ip_mc_join_group(sk, imr);
> if (!err) {
> imr->ifindex=3; /* eth1 */
> err=ip_mc_join_group(sk, imr);
> }
> return err;
> }
> #else
> if(!imr->imr_ifindex)
> in_dev = ip_mc_find_dev(imr);
> #endif
>
> I'm hoping that there is another way.
It depends on what you want to do, but this "fix" is the same
equivalent to executing IP_ADD_MEMBERSHIP twice with 2 and 3 in the
imr_ifindex field (except that the later doesn't break any programs)
-Andi
next parent reply other threads:[~2001-11-26 16:16 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <93F527C91A6ED411AFE10050040665D00241AB08@corpusmx1.us.dg.com.suse.lists.linux.kernel>
2001-11-26 16:15 ` Andi Kleen [this message]
2001-11-30 21:12 Multicast Broadcast berthiaume_wayne
2001-12-01 16:19 ` Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2001-11-29 21:29 berthiaume_wayne
2001-11-29 21:31 ` Andi Kleen
2001-11-26 16:33 berthiaume_wayne
2001-11-26 16:44 ` Andi Kleen
2001-11-26 15:47 berthiaume_wayne
2001-11-21 20:53 berthiaume_wayne
2001-11-21 21:07 ` Peter Svensson
2001-11-23 20:52 ` Jamie Lokier
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=p73y9kth5jl.fsf@amdsim2.suse.de \
--to=ak@suse.de \
--cc=berthiaume_wayne@emc.com \
--cc=linux-kernel@vger.kernel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).