svn commit: r254524 - head/sys/sys

[Andre Oppermann]

Author: andre
Date: Mon Aug 19 13:56:14 2013
New Revision: 254524
URL: http://svnweb.freebsd.org/changeset/base/254524

Log:
  Add four additional M_PROTOFLAGS[9-12] for protocol specific use.
  
  Discussed with:	trociny, glebius, adrian

Modified:
  head/sys/sys/mbuf.h

Modified: head/sys/sys/mbuf.h
==============================================================================
--- head/sys/sys/mbuf.h	Mon Aug 19 13:27:32 2013	(r254523)
+++ head/sys/sys/mbuf.h	Mon Aug 19 13:56:14 2013	(r254524)
@@ -196,22 +196,24 @@ struct mbuf {
 #define	M_FRAG		0x00000800 /* packet is a fragment of a larger packet */
 #define	M_FIRSTFRAG	0x00001000 /* packet is first fragment */
 #define	M_LASTFRAG	0x00002000 /* packet is last fragment */
-		     /*	0x00004000    free */
-		     /*	0x00008000    free */
+#define	M_PROTO9	0x00004000 /* protocol-specific */
+#define	M_PROTO10	0x00008000 /* protocol-specific */
 #define	M_VLANTAG	0x00010000 /* ether_vtag is valid */
 #define	M_PROMISC	0x00020000 /* packet was not for us */
-		     /*	0x00040000    free */
+#define	M_PROTO11	0x00040000 /* protocol-specific */
 #define	M_PROTO6	0x00080000 /* protocol-specific */
 #define	M_PROTO7	0x00100000 /* protocol-specific */
 #define	M_PROTO8	0x00200000 /* protocol-specific */
 #define	M_FLOWID	0x00400000 /* deprecated: flowid is valid */
+#define	M_PROTO12	0x00800000 /* protocol-specific */
 #define	M_HASHTYPEBITS	0x0F000000 /* mask of bits holding flowid hash type */
 
 /*
  * Flags to purge when crossing layers.
  */
 #define	M_PROTOFLAGS \
-    (M_PROTO1|M_PROTO2|M_PROTO3|M_PROTO4|M_PROTO5|M_PROTO6|M_PROTO7|M_PROTO8)
+    (M_PROTO1|M_PROTO2|M_PROTO3|M_PROTO4|M_PROTO5|M_PROTO6|M_PROTO7|M_PROTO8|\
+     M_PROTO9|M_PROTO10|M_PROTO11|M_PROTO12)
 
 /*
  * Network interface cards are able to hash protocol fields (such as IPv4