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Re: alignment issues on netif_rx

To: kuznet@xxxxxxxxxxxxx
Subject: Re: alignment issues on netif_rx
From: Jes Sorensen <jes@xxxxxxxxxxxxx>
Date: 19 Dec 2000 21:30:42 +0100
Cc: netdev@xxxxxxxxxxx, davem@xxxxxxxxxx
In-reply-to: kuznet@xxxxxxxxxxxxx's message of "Tue, 19 Dec 2000 21:49:49 +0300 (MSK)"
References: <200012191849.VAA16069@xxxxxxxxxxxxx>
Sender: owner-netdev@xxxxxxxxxxx
User-agent: Gnus/5.070096 (Pterodactyl Gnus v0.96) Emacs/20.4
>>>>> "ANK" == kuznet  <kuznet@xxxxxxxxxxxxx> writes:

ANK> Hello!
>> The question is how much to copy.

ANK> The answer is instant: MAC header only. 8)

ANK> All the rest will be pulled out on demand.

Thats where your suggestion fails, we then have to copy the entire
packet then for the cards that disallow misaligned DMAs. My idea to
add the misaligned word access would work.


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