Jason Thorpe writes:
> Does the following patch help you?
> + 	/*
> + 	 * XXX Compatibility: programs using raw IP expect ip_len
> + 	 * XXX to have the header length subtracted.
> + 	 */
> + 	ip->ip_len -= ip->ip_hl << 2;

Yup, it does the trick.  Thanks!

-wolfgang
-- 
Wolfgang Rupprecht    <wolfgang@wsrcc.com>     http://www.wsrcc.com/wolfgang/
Get DGPS signals over IP.      http://www.wsrcc.com/wolfgang/gps/dgps-ip.html