From mboxrd@z Thu Jan  1 00:00:00 1970
From: Larry Finger <Larry.Finger@lwfinger.net>
Subject: Re: softmac mtu
Date: Sat, 23 Sep 2006 16:40:15 -0500
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To: Matthieu CASTET <castet.matthieu@free.fr>
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Matthieu CASTET wrote:
> Hi,
> 
> why softmac (and maybe device using linux 80211 stack) can't increase
> their mtu above 1500 ?
> 
> IRRC 802.11 allow to send bigger frame. Moreover some driver like airo
> allow to use mtu biger than 2000.

The maximum value for MTU is set in include/linux/if_ether.h for all ethernet-type communications, 
not in softmac or ieee80211. I doubt that one could easily change the number. It may be that the 
802.11 standard allows bigger frames, but it looks to me as if Linux does not.

Larry