[IPV6]: Support Source Address Selection API (RFC5014).

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

1 files changed, 5 insertions, 1 deletions

diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 87ae4e389ce1..c9ba0da16ce9 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -322,7 +322,11 @@ struct ipv6_pinfo {
         __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;