Subject: Re: unaligned IP header
To: None <email@example.com>
From: Jason R Thorpe <firstname.lastname@example.org>
Date: 04/24/2000 07:56:02
On Mon, Apr 24, 2000 at 09:10:39AM +0900, Atsushi Onoe wrote:
> > Modified Files:
> > syssrc/sys/dev/pcmcia: if_ray.c
> > Log Message:
> > Make sure the payload is aligned when using E2-over-802.11 encapsulation,
> > as enabled by the LINK0 flag. Fixes PR kern/9700.
> PR kern/9700 should not be fixed by this change.
> Though it would be better for driver to align IP packet for good
> performance, IP layer including ipfilter must be robust against
> unaligned IP header, IMO.
This discussion has been had before... Right now, we pretty much always
place this restriction on the network driver. I guess the question is
where do you draw the line?
-- Jason R. Thorpe <email@example.com>