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authorLinus Lüssing <linus.luessing@web.de>2011-02-15 13:19:20 +0000
committerDavid S. Miller <davem@davemloft.net>2011-02-22 10:07:27 -0800
commit5ced1339612d1fa095459bd481f1d1f64f76f859 (patch)
tree999946350340921be60687fcdbc3381ea6750c12 /include
parentd41db9f3f71548f07b8b6d81a88220d0035b04f6 (diff)
ipv6: Add IPv6 multicast address flag defines
This commit adds the missing IPv6 multicast address flag defines to complement the already existing multicast address scope defines and to be able to check these flags nicely in the future. Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/net/ipv6.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 4a3cd2cd2f5e..96e50e0ce3ca 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -89,6 +89,18 @@
#define IPV6_ADDR_SCOPE_GLOBAL 0x0e
/*
+ * Addr flags
+ */
+#ifdef __KERNEL__
+#define IPV6_ADDR_MC_FLAG_TRANSIENT(a) \
+ ((a)->s6_addr[1] & 0x10)
+#define IPV6_ADDR_MC_FLAG_PREFIX(a) \
+ ((a)->s6_addr[1] & 0x20)
+#define IPV6_ADDR_MC_FLAG_RENDEZVOUS(a) \
+ ((a)->s6_addr[1] & 0x40)
+#endif
+
+/*
* fragmentation header
*/

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