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

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Message-ID: <AANLkTin8vaiWTRTM+WzZ_PAWO6j-voP29n1jHfLv+=q3@mail.gmail.com>
Date:	Fri, 30 Jul 2010 14:22:55 +0400
From:	"Guram Z. Savinov" <savinov.guram@...il.com>
To:	Américo Wang <xiyou.wangcong@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Get interface MAC address in sys_accept4() syscall

Yes, I know, but sys_accept4() have int fd argument, that is socket
descriptor, can I work with it like raw socket and get MAC from
ethernet frame?

2010/7/30 Américo Wang <xiyou.wangcong@...il.com>
>
> 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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