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Re: alignment issues on netif_rx

To: jes@xxxxxxxxxxxxx (Jes Sorensen)
Subject: Re: alignment issues on netif_rx
From: kuznet@xxxxxxxxxxxxx
Date: Mon, 18 Dec 2000 23:31:37 +0300 (MSK)
Cc: netdev@xxxxxxxxxxx, davem@xxxxxxxxxx
In-reply-to: <d3r935tqyu.fsf@xxxxxxxxxxxxxxxxx> from "Jes Sorensen" at Dec 18, 0 09:27:37 pm
Sender: owner-netdev@xxxxxxxxxxx
Hello!

> This still requires that the card can DMA to multiple buffers,

If they cannot dma to not aligned buffers, scatter dma is meaningless
in any case.


>                                                or are
> you suggesting to copy out the header no matter what?

To copy, of course. These cards do this for small packets in any case.

Alexey

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