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

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Message-ID: <20100730071617.GA5638@cr0.nay.redhat.com>
Date:	Fri, 30 Jul 2010 15:17:13 +0800
From:	Américo Wang <xiyou.wangcong@...il.com>
To:	"Guram Z. Savinov" <savinov.guram@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Get interface MAC address in sys_accept4() syscall

On Fri, Jul 30, 2010 at 03:42:14AM +0400, Guram Z. Savinov wrote:
>Hi all,
>
>in net/socket.c is syscall sys_accept4(). In it syscall I need to get
>MAC address of interface, from connection is come.
>For example it is two interfaces eth0 and eth1. I want to know, from
>what interface connection is come to sys_accept4().
>Please help me, how I can do it.
>

It is not obtained from accept(2), you get it with ioctl SIOCGIFHWADDR.
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