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From: "BALBIR SINGH" <balbir.singh@wipro.com>
To: Sebastian Heidl <heidl@zib.de>, linux-kernel@vger.kernel.org
Subject: Re: implementation of SIOCGIFFCOUNT
Date: Mon, 08 Oct 2001 19:33:40 +0530	[thread overview]
Message-ID: <3BC1B23C.1070400@wipro.com> (raw)
In-Reply-To: <20011008155237.C811@csr-pc1.zib.de>

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Pass '0' as the size argument and u will get the total size (sizeof struct * number of interfaces)
back. The only thing is u have to make two calls, which u would do anyway.

Balbir

Sebastian Heidl wrote:

>Hi,
>
>is there a specific reason for SIOCGIFCOUNT not being implemented
>in  the kernel ? All occurences lead to net/core/dev.c dev_ioctl(...)
>which just returns -EINVAL for this command. So one has to guess
>the number of struct ifreq structures to pass to a SIOCGIFCONF
>call.
>
>enlighten me, please ;-)
>_sh_
>




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      reply	other threads:[~2001-10-08 14:03 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-10-08 13:52 Sebastian Heidl
2001-10-08 14:03 ` BALBIR SINGH [this message]

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