kern/75121: Wrong behaviour of IFF_LINK2 bit in 6in6 gifs?

[Hajimu UMEMOTO]

The following reply was made to PR kern/75121; it has been noted by GNATS.

From: Hajimu UMEMOTO <ume at freebsd.org>
To: Antonio Tapiador del Dujo <atapiador at dit.upm.es>
Cc: Hajimu UMEMOTO <ume at freebsd.org>,
	FreeBSD-gnats-submit at freebsd.org, Gleb Smirnoff <glebius at freebsd.org>
Subject: Re: kern/75121: Wrong behaviour of IFF_LINK2 bit in 6in6 gifs?
Date: Wed, 26 Jan 2005 00:30:53 +0900

 Hi,
 
 >>>>> On Tue, 25 Jan 2005 15:57:48 +0100
 >>>>> Antonio Tapiador del Dujo <atapiador at dit.upm.es> said:
 
 atapiador> But now IFF_LINK2 does not turn off ingress filter.
 atapiador> Either kernel code or man page should be modified because one is 
 atapiador> inconsistent with the other.
 
 No, it does.  You can find following chunk in in6_gif.cgif_validate6()
 in6_gif.c:
 
 	/* ingress filters on outer source */
 	if ((sc->gif_if.if_flags & IFF_LINK2) == 0 && ifp) {
 
 The check you pointed out is not an ingress filter.
 
 Sincerely,
 
 --
 Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan
 ume at mahoroba.org  ume@{,jp.}FreeBSD.org
 http://www.imasy.org/~ume/