Pull ec into release branch

[pandora-kernel.git] / include / net / xfrm.h

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index e476541..5a00aa8 100644 (file)
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -252,10 +252,13 @@ struct xfrm_state_afinfo {
                                                xfrm_address_t *daddr, xfrm_address_t *saddr);
        int                     (*tmpl_sort)(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n);
        int                     (*state_sort)(struct xfrm_state **dst, struct xfrm_state **src, int n);
+       int                     (*output)(struct sk_buff *skb);
 };
 
 extern int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo);
 extern int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo);
+extern struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned short family);
+extern void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo);
 
 extern void xfrm_state_delete_tunnel(struct xfrm_state *x);
 
@@ -359,6 +362,19 @@ struct xfrm_policy
        struct xfrm_tmpl        xfrm_vec[XFRM_MAX_DEPTH];
 };
 
+struct xfrm_migrate {
+       xfrm_address_t          old_daddr;
+       xfrm_address_t          old_saddr;
+       xfrm_address_t          new_daddr;
+       xfrm_address_t          new_saddr;
+       u8                      proto;
+       u8                      mode;
+       u16                     reserved;
+       u32                     reqid;
+       u16                     old_family;
+       u16                     new_family;
+};
+
 #define XFRM_KM_TIMEOUT                30
 /* which seqno */
 #define XFRM_REPLAY_SEQ                1
@@ -385,6 +401,7 @@ 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);
 };
 
 extern int xfrm_register_km(struct xfrm_mgr *km);
@@ -929,14 +946,14 @@ extern int xfrm_state_mtu(struct xfrm_state *x, int mtu);
 extern int xfrm_init_state(struct xfrm_state *x);
 extern int xfrm4_rcv(struct sk_buff *skb);
 extern int xfrm4_output(struct sk_buff *skb);
-extern int xfrm4_tunnel_register(struct xfrm_tunnel *handler);
-extern int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler);
+extern int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short family);
+extern int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family);
 extern int xfrm6_rcv_spi(struct sk_buff *skb, __be32 spi);
 extern int xfrm6_rcv(struct sk_buff **pskb);
 extern int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
                            xfrm_address_t *saddr, u8 proto);
-extern int xfrm6_tunnel_register(struct xfrm6_tunnel *handler);
-extern int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler);
+extern int xfrm6_tunnel_register(struct xfrm6_tunnel *handler, unsigned short family);
+extern int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler, unsigned short family);
 extern __be32 xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr);
 extern void xfrm6_tunnel_free_spi(xfrm_address_t *saddr);
 extern __be32 xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr);
@@ -971,8 +988,9 @@ extern int xfrm_policy_walk(u8 type, int (*func)(struct xfrm_policy *, int, int,
 int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl);
 struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir,
                                          struct xfrm_selector *sel,
-                                         struct xfrm_sec_ctx *ctx, int delete);
-struct xfrm_policy *xfrm_policy_byid(u8, int dir, u32 id, int delete);
+                                         struct xfrm_sec_ctx *ctx, int delete,
+                                         int *err);
+struct xfrm_policy *xfrm_policy_byid(u8, int dir, u32 id, int delete, int *err);
 void xfrm_policy_flush(u8 type, struct xfrm_audit *audit_info);
 u32 xfrm_get_acqseq(void);
 void xfrm_alloc_spi(struct xfrm_state *x, __be32 minspi, __be32 maxspi);
@@ -985,6 +1003,16 @@ extern int xfrm_bundle_ok(struct xfrm_policy *pol, struct xfrm_dst *xdst,
                          struct flowi *fl, int family, int strict);
 extern void xfrm_init_pmtu(struct dst_entry *dst);
 
+#ifdef CONFIG_XFRM_MIGRATE
+extern int km_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
+                     struct xfrm_migrate *m, int num_bundles);
+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);
+#endif
+
 extern wait_queue_head_t km_waitq;
 extern int km_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport);
 extern void km_policy_expired(struct xfrm_policy *pol, int dir, int hard, u32 pid);
@@ -1050,5 +1078,25 @@ static inline void xfrm_aevent_doreplay(struct xfrm_state *x)
                xfrm_replay_notify(x, XFRM_REPLAY_UPDATE);
 }
 
+#ifdef CONFIG_XFRM_MIGRATE
+static inline struct xfrm_algo *xfrm_algo_clone(struct xfrm_algo *orig)
+{
+       return (struct xfrm_algo *)kmemdup(orig, sizeof(*orig) + orig->alg_key_len, GFP_KERNEL);
+}
+
+static inline void xfrm_states_put(struct xfrm_state **states, int n)
+{
+       int i;
+       for (i = 0; i < n; i++)
+               xfrm_state_put(*(states + i));
+}
+
+static inline void xfrm_states_delete(struct xfrm_state **states, int n)
+{
+       int i;
+       for (i = 0; i < n; i++)
+               xfrm_state_delete(*(states + i));
+}
+#endif
 
 #endif /* _NET_XFRM_H */