[IPV6]: Support Source Address Selection API (RFC5014).
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
diff --git a/include/linux/in6.h b/include/linux/in6.h
index 2a61c82..f674000 100644
--- a/include/linux/in6.h
+++ b/include/linux/in6.h
@@ -249,4 +249,15 @@
* IP6T_SO_GET_REVISION_TARGET 69
*/
+/* RFC5014: Source address selection */
+#define IPV6_ADDR_PREFERENCES 72
+
+#define IPV6_PREFER_SRC_TMP 0x0001
+#define IPV6_PREFER_SRC_PUBLIC 0x0002
+#define IPV6_PREFER_SRC_PUBTMP_DEFAULT 0x0100
+#define IPV6_PREFER_SRC_COA 0x0004
+#define IPV6_PREFER_SRC_HOME 0x0400
+#define IPV6_PREFER_SRC_CGA 0x0008
+#define IPV6_PREFER_SRC_NONCGA 0x0800
+
#endif
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 87ae4e3..c9ba0da 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -322,7 +322,11 @@
__u8 recverr:1,
sndflow:1,
pmtudisc:2,
- ipv6only:1;
+ ipv6only:1,
+ srcprefs:3; /* 001: prefer temporary address
+ * 010: prefer public address
+ * 100: prefer care-of address
+ */
__u8 tclass;
__u32 dst_cookie;
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index edcb4bb..c9276c7 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -78,6 +78,7 @@
extern int ipv6_dev_get_saddr(struct net_device *dev,
struct in6_addr *daddr,
+ unsigned int srcprefs,
struct in6_addr *saddr);
extern int ipv6_get_lladdr(struct net_device *dev,
struct in6_addr *addr,
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 5c3b67c..3ae6799 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -30,9 +30,12 @@
#include <linux/ip.h>
#include <linux/ipv6.h>
-#define RT6_LOOKUP_F_IFACE 0x1
-#define RT6_LOOKUP_F_REACHABLE 0x2
-#define RT6_LOOKUP_F_HAS_SADDR 0x4
+#define RT6_LOOKUP_F_IFACE 0x00000001
+#define RT6_LOOKUP_F_REACHABLE 0x00000002
+#define RT6_LOOKUP_F_HAS_SADDR 0x00000004
+#define RT6_LOOKUP_F_SRCPREF_TMP 0x00000008
+#define RT6_LOOKUP_F_SRCPREF_PUBLIC 0x00000010
+#define RT6_LOOKUP_F_SRCPREF_COA 0x00000020
extern struct rt6_info *ip6_null_entry;