[XFRM] POLICY: Support netlink socket interface for sub policy.

Sub policy can be used through netlink socket.
PF_KEY uses main only and it is TODO to support sub.

Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index d341603e4ba8..c75b3287d8f8 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -203,6 +203,7 @@ struct km_event
                 u32 proto;
                 u32 byid;
                 u32 aevent;
+                u32 type;
         } data;
 
         u32     seq;