1 files changed, 20 insertions, 4 deletions

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index d675836ba6c3..0e65e02b7a1d 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -158,6 +158,20 @@ enum {
         XFRM_STATE_DEAD
 };
 
+/* callback structure passed from either netlink or pfkey */
+struct km_event
+{
+        union {
+                u32 hard;
+                u32 proto;
+                u32 byid;
+        } data;
+
+        u32     seq;
+        u32     pid;
+        u32     event;
+};
+
 struct xfrm_type;
 struct xfrm_dst;
 struct xfrm_policy_afinfo {
@@ -179,6 +193,8 @@ struct xfrm_policy_afinfo {
 
 extern int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo);
 extern int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo);
+extern void km_policy_notify(struct xfrm_policy *xp, int dir, struct km_event *c);
+extern void km_state_notify(struct xfrm_state *x, struct km_event *c);
 
 #define XFRM_ACQ_EXPIRES        30
 
@@ -290,11 +306,11 @@ struct xfrm_mgr
 {
         struct list_head        list;
         char                    *id;
-        int                     (*notify)(struct xfrm_state *x, int event);
+        int                     (*notify)(struct xfrm_state *x, struct km_event *c);
         int                     (*acquire)(struct xfrm_state *x, struct xfrm_tmpl *, struct xfrm_policy *xp, int dir);
         struct xfrm_policy      *(*compile_policy)(u16 family, int opt, u8 *data, int len, int *dir);
         int                     (*new_mapping)(struct xfrm_state *x, xfrm_address_t *ipaddr, u16 sport);
-        int                     (*notify_policy)(struct xfrm_policy *x, int dir, int event);
+        int                     (*notify_policy)(struct xfrm_policy *x, int dir, struct km_event *c);
 };
 
 extern int xfrm_register_km(struct xfrm_mgr *km);
@@ -656,7 +672,7 @@ static inline int xfrm_sk_clone_policy(struct sock *sk)
         return 0;
 }
 
-extern void xfrm_policy_delete(struct xfrm_policy *pol, int dir);
+extern int xfrm_policy_delete(struct xfrm_policy *pol, int dir);
 
 static inline void xfrm_sk_free_policy(struct sock *sk)
 {
@@ -817,7 +833,7 @@ extern int xfrm_state_add(struct xfrm_state *x);
 extern int xfrm_state_update(struct xfrm_state *x);
 extern struct xfrm_state *xfrm_state_lookup(xfrm_address_t *daddr, u32 spi, u8 proto, unsigned short family);
 extern struct xfrm_state *xfrm_find_acq_byseq(u32 seq);
-extern void xfrm_state_delete(struct xfrm_state *x);
+extern int xfrm_state_delete(struct xfrm_state *x);
 extern void xfrm_state_flush(u8 proto);
 extern int xfrm_replay_check(struct xfrm_state *x, u32 seq);
 extern void xfrm_replay_advance(struct xfrm_state *x, u32 seq);