netdev - Re: [Bugme-new] [Bug 13856] New: sk_bound_dev_if should be set for a socket when using IP_MULITCAST_IF or IP_ADD

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Message-Id: <1248914772.13447.20.camel@merlyn>
Date:	Wed, 29 Jul 2009 19:46:12 -0500
From:	John Dykstra <john.dykstra1@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	netdev@...r.kernel.org, bugzilla-daemon@...zilla.kernel.org,
	bugme-daemon@...zilla.kernel.org, manlidj@...mail.com
Subject: Re: [Bugme-new] [Bug 13856] New: sk_bound_dev_if should be set for
	a socket when using IP_MULITCAST_IF or IP_ADD_MEMBERSHIO

>         ReportedBy: manlidj@...mail.com

> > Currently there is no way to tell which interface a multicast packet arrived on
> > except by using a raw socket and issuing the SO_BINDTODEVICE option which
> > forces the sk_bound_dev_if for the socket to be set.  

I thought the IP_PKTINFO cmsg was the usual way to do this.

--
John

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