linux-kernel - Re: Get interface MAC address in sys

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Message-ID: <20100730100351.GC5638@cr0.nay.redhat.com>
Date:	Fri, 30 Jul 2010 18:03:51 +0800
From:	Américo Wang <xiyou.wangcong@...il.com>
To:	Гурам Савинов 
	<savinov.guram@...il.com>
Cc:	Américo Wang <xiyou.wangcong@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Get interface MAC address in sys_accept4() syscall

On Fri, Jul 30, 2010 at 01:56:06PM +0400, Гурам Савинов wrote:
>I want to change syscall sys_accept4(), to return MAC address.
>It is possible to get MAC from incomming socket in sys_accept4(), with help
>ioctl SIOCGIFHWADDR?
>

The problem is that it doesn't make sense to do this.

accept(2) works on high level sockets, should not bother low level
MAC addresses.

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