Re: ARP probes dropped - breaks RFC 2131, 3927, 5227

[Mindaugas Rasiukevicius <rmind%netbsd.org@localhost>]

Hello,

Patrik Lahti <plahti%qnx.com@localhost> wrote:
> NetBSD has code that drops s.c. ARP probes (and therefore don't answer), 
> see if_arp.c in_arpinput():
> 
>       /*
>        * If the source IP address is zero, this is most likely a
>        * confused host trying to use IP address zero. (Windoze?)
>        * XXX: Should we bother trying to reply to these?
>        */
>       if (in_nullhost(isaddr)) {
>               ARP_STATINC(ARP_STAT_RCVZEROSPA);
>               goto out;
>       }
> 
> ...
> 
> I believe it is a simple fix, see below. Please let me know your 
> thoughts. I'm a bit new to NetBSD so go easy :-)

FYI: Your patch has been applied (by christos@).

http://mail-index.netbsd.org/source-changes/2009/11/03/msg002604.html

Thanks!

-- 
Mindaugas