1 files changed, 36 insertions, 20 deletions

diff --git a/include/linux/in6.h b/include/linux/in6.h
index bd32b79d6295..304aaedea305 100644
--- a/include/linux/in6.h
+++ b/include/linux/in6.h
@@ -198,27 +198,43 @@ struct in6_flowlabel_req
  * MCAST_MSFILTER               48
  */
 
-/* RFC3542 advanced socket options (50-67) */
-#define IPV6_RECVPKTINFO        50
-#define IPV6_PKTINFO            51
-#if 0
-#define IPV6_RECVPATHMTU        52
-#define IPV6_PATHMTU            53
-#define IPV6_DONTFRAG           54
-#define IPV6_USE_MIN_MTU        55
-#endif
-#define IPV6_RECVHOPOPTS        56
-#define IPV6_HOPOPTS            57
-#if 0
-#define IPV6_RECVRTHDRDSTOPTS   58      /* Unused, see net/ipv6/datagram.c */
+/*
+ * Advanced API (RFC3542) (1)
+ *
+ * Note: IPV6_RECVRTHDRDSTOPTS does not exist. see net/ipv6/datagram.c.
+ */
+
+#define IPV6_RECVPKTINFO        49
+#define IPV6_PKTINFO            50
+#define IPV6_RECVHOPLIMIT       51
+#define IPV6_HOPLIMIT           52
+#define IPV6_RECVHOPOPTS        53
+#define IPV6_HOPOPTS            54
+#define IPV6_RTHDRDSTOPTS       55
+#define IPV6_RECVRTHDR          56
+#define IPV6_RTHDR              57
+#define IPV6_RECVDSTOPTS        58
+#define IPV6_DSTOPTS            59
+#if 0   /* not yet */
+#define IPV6_RECVPATHMTU        60
+#define IPV6_PATHMTU            61
+#define IPV6_DONTFRAG           62
+#define IPV6_USE_MIN_MTU        63
 #endif
-#define IPV6_RTHDRDSTOPTS       59
-#define IPV6_RECVRTHDR          60
-#define IPV6_RTHDR              61
-#define IPV6_RECVDSTOPTS        62
-#define IPV6_DSTOPTS            63
-#define IPV6_RECVHOPLIMIT       64
-#define IPV6_HOPLIMIT           65
+
+/*
+ * Netfilter
+ *
+ * Following socket options are used in ip6_tables;
+ * see include/linux/netfilter_ipv6/ip6_tables.h.
+ *
+ * IP6T_SO_SET_REPLACE / IP6T_SO_GET_INFO               64
+ * IP6T_SO_SET_ADD_COUNTERS / IP6T_SO_GET_ENTRIES       65
+ */
+
+/*
+ * Advanced API (RFC3542) (2)
+ */
 #define IPV6_RECVTCLASS         66
 #define IPV6_TCLASS             67