[src/trunk]: src/sys/net/npf npf_packet_handler: clear M_CANFASTFWD flag, so ...

[rmind <rmind%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2c0a1a4cbc86
branches:  trunk
changeset: 757981:2c0a1a4cbc86
user:      rmind <rmind%NetBSD.org@localhost>
date:      Sun Oct 10 15:29:01 2010 +0000

description:
npf_packet_handler: clear M_CANFASTFWD flag, so inspection would work when
fast forwarding is enabled (e.g. with GATEWAY kernel option).  Thanks matt@
for the tip.

diffstat:

 sys/net/npf/npf_handler.c |  12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diffs (37 lines):

diff -r 027ed6d7fed8 -r 2c0a1a4cbc86 sys/net/npf/npf_handler.c
--- a/sys/net/npf/npf_handler.c Sun Oct 10 07:03:28 2010 +0000
+++ b/sys/net/npf/npf_handler.c Sun Oct 10 15:29:01 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: npf_handler.c,v 1.2 2010/09/16 04:53:27 rmind Exp $    */
+/*     $NetBSD: npf_handler.c,v 1.3 2010/10/10 15:29:01 rmind Exp $    */
 
 /*-
  * Copyright (c) 2009-2010 The NetBSD Foundation, Inc.
@@ -33,13 +33,11 @@
  * NPF packet handler.
  */
 
-#ifdef _KERNEL
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: npf_handler.c,v 1.2 2010/09/16 04:53:27 rmind Exp $");
+__KERNEL_RCSID(0, "$NetBSD: npf_handler.c,v 1.3 2010/10/10 15:29:01 rmind Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
-#endif
 
 #include <sys/mbuf.h>
 #include <sys/mutex.h>
@@ -152,6 +150,12 @@
                }
                m_freem(*mp);
                *mp = NULL;
+       } else {
+               /*
+                * XXX: Disable for now, it will be set accordingly later,
+                * for optimisations (to reduce inspection).
+                */
+               (*mp)->m_flags &= ~M_CANFASTFWD;
        }
        return error;
 }