netdev - Re: wireless vs. alignment requirements

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Message-ID: <474F5932.1030103@zytor.com>
Date:	Thu, 29 Nov 2007 16:28:34 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
CC:	Stephen Hemminger <shemminger@...ux-foundation.org>,
	Johannes Berg <johannes@...solutions.net>, dsd@...too.org,
	davem@...emloft.net, netdev@...r.kernel.org,
	linux-wireless@...r.kernel.org
Subject: Re: wireless vs. alignment requirements

Herbert Xu wrote:
> On Thu, Nov 29, 2007 at 09:50:35AM -0800, H. Peter Anvin wrote:
>> Uhm, most cards affected *ARE* Ethernet cards, due to the bloody 14-byte 
>> header.
> 
> Well most Ethernet drivers are using NET_IP_ALIGN which means that IP
> stack gets aligned packets only.
> 
> sky2 is the exception here, not the rule.
> 

It is, but it's not unique.  Several USB adapters have the same problem, 
for example.

	-hpa
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