[IPV6]: Comment MRT6_xxx sockopts in include/linux/in6.h.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/include/linux/in6.h b/include/linux/in6.h
index f674000c6c99..e6aa8de2b939 100644
--- a/include/linux/in6.h
+++ b/include/linux/in6.h
@@ -260,4 +260,19 @@ struct in6_flowlabel_req
 #define IPV6_PREFER_SRC_CGA             0x0008
 #define IPV6_PREFER_SRC_NONCGA          0x0800
 
+/*
+ * Multicast Routing:
+ * see include/linux/mroute6.h.
+ *
+ * MRT6_INIT                    200
+ * MRT6_DONE                    201
+ * MRT6_ADD_MIF                 202
+ * MRT6_DEL_MIF                 203
+ * MRT6_ADD_MFC                 204
+ * MRT6_DEL_MFC                 205
+ * MRT6_VERSION                 206
+ * MRT6_ASSERT                  207
+ * MRT6_PIM                     208
+ * (reserved)                   209
+ */
 #endif