netdev - Re: [RFC][PATCH 3/3] IPv4:Check IP_MULTICAST

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Message-Id: <20080610.173206.02155080.yoshfuji@linux-ipv6.org>
Date:	Tue, 10 Jun 2008 17:32:06 +0900 (JST)
From:	YOSHIFUJI Hideaki / 吉藤英明 
	<yoshfuji@...ux-ipv6.org>
To:	shanwei@...fujitsu.com
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	yoshfuji@...ux-ipv6.org
Subject: Re: [RFC][PATCH 3/3] IPv4:Check IP_MULTICAST_LOOP option value

In article <20080610.171527.86317043.yoshfuji@...ux-ipv6.org> (at Tue, 10 Jun 2008 17:15:27 +0900 (JST)), YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@...ux-ipv6.org> says:

> In article <484E3293.8000507@...fujitsu.com> (at Tue, 10 Jun 2008 15:51:47 +0800), Shan Wei <shanwei@...fujitsu.com> says:
> 
> > The IP_MULTICAST_LOOP option can only be set with o or 1. When 
> > other valuse are set, the kernel should return an error of EINVAL.
> > 
> > In addition, the option should not be uesd by SOCK_STREAM type,
> > same as IP_MULTICAST_IF, IP_MULTICAST_TTL.
> >   
> > But the kernel doesn't check them.
> 
> Is there any standard reference about this?

And actually I diagree to check "val."
(For example, FreeBSD does not check this.)

--yoshfuji
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