svn commit: r234384 - projects/pf/head/sys/sys

[Gleb Smirnoff]

Author: glebius
Date: Tue Apr 17 14:37:29 2012
New Revision: 234384
URL: http://svn.freebsd.org/changeset/base/234384

Log:
  Add MTAG_PERSISTENT to pf(4) tags. In OpenBSD they
  store the pf(4) information right in the mbuf header,
  and a persistent tag gives us similar behavior.
  
  This flag is crucial for infinite recursion protection
  in the pf_route() and pf_route6().
  
  Discussed with:		eri

Modified:
  projects/pf/head/sys/sys/mbuf.h

Modified: projects/pf/head/sys/sys/mbuf.h
==============================================================================
--- projects/pf/head/sys/sys/mbuf.h	Tue Apr 17 14:31:02 2012	(r234383)
+++ projects/pf/head/sys/sys/mbuf.h	Tue Apr 17 14:37:29 2012	(r234384)
@@ -989,7 +989,7 @@ struct mbuf	*m_unshare(struct mbuf *, in
 #define	PACKET_TAG_DIVERT			17 /* divert info */
 #define	PACKET_TAG_IPFORWARD			18 /* ipforward info */
 #define	PACKET_TAG_MACLABEL	(19 | MTAG_PERSISTENT) /* MAC label */
-#define	PACKET_TAG_PF				21 /* PF + ALTQ information */
+#define	PACKET_TAG_PF		(21 | MTAG_PERSISTENT) /* PF/ALTQ information */
 #define	PACKET_TAG_RTSOCKFAM			25 /* rtsock sa family */
 #define	PACKET_TAG_IPOPTIONS			27 /* Saved IP options */
 #define	PACKET_TAG_CARP				28 /* CARP info */