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Re: alignment issues on netif_rx

To: johannes@xxxxxxxxxxx
Subject: Re: alignment issues on netif_rx
From: "David S. Miller" <davem@xxxxxxxxxx>
Date: Sun, 17 Dec 2000 21:26:05 -0800
Cc: kai@xxxxxxxxxxxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <20001216135124.A1045@sventech.com> (message from Johannes Erdfelt on Sat, 16 Dec 2000 13:51:25 -0500)
References: <Pine.LNX.4.10.10012151332190.32035-100000@chaos.thphy.uni-duesseldorf.de> <200012151606.IAA20579@pizda.ninka.net> <20001216135124.A1045@sventech.com>
Sender: owner-netdev@xxxxxxxxxxx
   Date: Sat, 16 Dec 2000 13:51:25 -0500
   From: Johannes Erdfelt <johannes@xxxxxxxxxxx>

   However, I can't imagine we've made it this long without this being
   a problem so there must be something I'm missing.

It only happens when you use non-{ipv4,ipv6} protocols or devices
which do not send aligned packets up to the protocol stack.

Ie. if all you are doing is ethernet + ipv4, you'll never trigger
this.

Later,
David S. Miller
davem@xxxxxxxxxx

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