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Re: [PATCH] ioctl SIOCGIFNETMASK: ip alias bug 2.4.9 and 2.2.19

To: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH] ioctl SIOCGIFNETMASK: ip alias bug 2.4.9 and 2.2.19
From: Matthias Andree <matthias.andree@xxxxxxxxxxxxxxxxxxxx>
Date: Thu, 6 Sep 2001 22:13:59 +0200
Cc: Wietse Venema <wietse@xxxxxxxxxxxxx>, kuznet@xxxxxxxxxxxxx, Matthias Andree <matthias.andree@xxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-net@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <E15f55T-0000Kc-00@xxxxxxxxxxxxxxxxx>
Mail-followup-to: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>, Wietse Venema <wietse@xxxxxxxxxxxxx>, kuznet@xxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-net@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx
References: <20010906181826.9CCECBC06C@xxxxxxxxxxxxxxxxxxx> <E15f55T-0000Kc-00@xxxxxxxxxxxxxxxxx>
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On Thu, 06 Sep 2001, Alan Cox wrote:

> I think you have the metaphor wrong. The older API is a bit like the 
> cavalry charging into battle at the start of world war one. It may have been
> how everyone did it but they guys with the "newfangled, really not how it
> should be done, definitely not cricket"  machine guns got the last laugh

Alan, portability is an issue or Linux will lose. Admittedly, legacy
interfaces do not support all of those new features, but a rather
trivial patch of mine brings SIOCGIFNETMASK compatibility with both the
old and the new stuff, please name precisely the objections against
portability and compatibility with FreeBSD 4.x aliasing.

Matthias Andree
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