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Re: alignment issues on netif_rx

To: "David S. Miller" <davem@xxxxxxxxxx>
Subject: Re: alignment issues on netif_rx
From: Henner Eisen <eis@xxxxxxxxxxxxx>
Date: 18 Dec 2000 21:19:49 +0100
Cc: netdev@xxxxxxxxxxx, johannes@xxxxxxxxxxx, kai@xxxxxxxxxxxxxxxxxxxxxxxx
In-reply-to: "David S. Miller"'s message of "Sun, 17 Dec 2000 21:26:05 -0800"
References: <Pine.LNX.4.10.10012151332190.32035-100000@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <200012151606.IAA20579@xxxxxxxxxxxxxxx> <20001216135124.A1045@xxxxxxxxxxxx> <200012180526.VAA02308@xxxxxxxxxxxxxxx>
Sender: owner-netdev@xxxxxxxxxxx
>>>>> "David" == David S Miller <davem@xxxxxxxxxx> writes:

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

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

PPP is in particular affected by this because the length of the header
is not fixed.

Henner

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