netns xfrm: add struct xfrm_state::xs_net

[safe/jmp/linux-2.6] / include / net / xfrm.h

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index b98d205..9da8903 100644 (file)
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -130,6 +130,9 @@ struct xfrm_state_walk {
 /* Full description of state of transformer. */
 struct xfrm_state
 {
+#ifdef CONFIG_NET_NS
+       struct net              *xs_net;
+#endif
        union {
                struct hlist_node       gclist;
                struct hlist_node       bydst;
@@ -223,6 +226,11 @@ struct xfrm_state
        void                    *data;
 };
 
+static inline struct net *xs_net(struct xfrm_state *x)
+{
+       return read_pnet(&x->xs_net);
+}
+
 /* xflags - make enum if more show up */
 #define XFRM_TIME_DEFER        1
 
@@ -467,7 +475,6 @@ struct xfrm_policy_walk {
 
 struct xfrm_policy
 {
-       struct xfrm_policy      *next;
        struct hlist_node       bydst;
        struct hlist_node       byidx;
 
@@ -492,6 +499,13 @@ struct xfrm_policy
        struct xfrm_tmpl        xfrm_vec[XFRM_MAX_DEPTH];
 };
 
+struct xfrm_kmaddress {
+       xfrm_address_t          local;
+       xfrm_address_t          remote;
+       u32                     reserved;
+       u16                     family;
+};
+
 struct xfrm_migrate {
        xfrm_address_t          old_daddr;
        xfrm_address_t          old_saddr;
@@ -531,7 +545,7 @@ struct xfrm_mgr
        int                     (*new_mapping)(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport);
        int                     (*notify_policy)(struct xfrm_policy *x, int dir, struct km_event *c);
        int                     (*report)(u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
-       int                     (*migrate)(struct xfrm_selector *sel, u8 dir, u8 type, struct xfrm_migrate *m, int num_bundles);
+       int                     (*migrate)(struct xfrm_selector *sel, u8 dir, u8 type, struct xfrm_migrate *m, int num_bundles, struct xfrm_kmaddress *k);
 };
 
 extern int xfrm_register_km(struct xfrm_mgr *km);
@@ -875,6 +889,7 @@ struct xfrm_dst
        u32 path_cookie;
 };
 
+#ifdef CONFIG_XFRM
 static inline void xfrm_dst_destroy(struct xfrm_dst *xdst)
 {
        dst_release(xdst->route);
@@ -887,6 +902,7 @@ static inline void xfrm_dst_destroy(struct xfrm_dst *xdst)
        xdst->partner = NULL;
 #endif
 }
+#endif
 
 extern void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev);
 
@@ -1261,7 +1277,8 @@ struct xfrm6_tunnel {
 
 extern void xfrm_init(void);
 extern void xfrm4_init(void);
-extern void xfrm_state_init(void);
+extern int xfrm_state_init(struct net *net);
+extern void xfrm_state_fini(struct net *net);
 extern void xfrm4_state_init(void);
 #ifdef CONFIG_XFRM
 extern int xfrm6_init(void);
@@ -1287,7 +1304,7 @@ extern void xfrm_state_walk_init(struct xfrm_state_walk *walk, u8 proto);
 extern int xfrm_state_walk(struct xfrm_state_walk *walk,
                           int (*func)(struct xfrm_state *, int, void*), void *);
 extern void xfrm_state_walk_done(struct xfrm_state_walk *walk);
-extern struct xfrm_state *xfrm_state_alloc(void);
+extern struct xfrm_state *xfrm_state_alloc(struct net *net);
 extern struct xfrm_state *xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr, 
                                          struct flowi *fl, struct xfrm_tmpl *tmpl,
                                          struct xfrm_policy *pol, int *err,
@@ -1432,12 +1449,14 @@ extern int xfrm_bundle_ok(struct xfrm_policy *pol, struct xfrm_dst *xdst,
 
 #ifdef CONFIG_XFRM_MIGRATE
 extern int km_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
-                     struct xfrm_migrate *m, int num_bundles);
+                     struct xfrm_migrate *m, int num_bundles,
+                     struct xfrm_kmaddress *k);
 extern struct xfrm_state * xfrm_migrate_state_find(struct xfrm_migrate *m);
 extern struct xfrm_state * xfrm_state_migrate(struct xfrm_state *x,
                                              struct xfrm_migrate *m);
 extern int xfrm_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
-                       struct xfrm_migrate *m, int num_bundles);
+                       struct xfrm_migrate *m, int num_bundles,
+                       struct xfrm_kmaddress *k);
 #endif
 
 extern wait_queue_head_t km_waitq;
@@ -1527,9 +1546,11 @@ static inline void xfrm_states_delete(struct xfrm_state **states, int n)
 }
 #endif
 
+#ifdef CONFIG_XFRM
 static inline struct xfrm_state *xfrm_input_state(struct sk_buff *skb)
 {
        return skb->sp->xvec[skb->sp->len - 1];
 }
+#endif
 
 #endif /* _NET_XFRM_H */