extern u32 xfrm_replay_seqhi(struct xfrm_state *x, __be32 net_seq);
extern int xfrm_init_replay(struct xfrm_state *x);
extern int xfrm_state_mtu(struct xfrm_state *x, int mtu);
+extern int __xfrm_init_state(struct xfrm_state *x, bool init_replay);
extern int xfrm_init_state(struct xfrm_state *x);
extern int xfrm_prepare_input(struct xfrm_state *x, struct sk_buff *skb);
extern int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi,
}
#ifdef CONFIG_XFRM_MIGRATE
+static inline int xfrm_replay_clone(struct xfrm_state *x,
+ struct xfrm_state *orig)
+{
+ x->replay_esn = kzalloc(xfrm_replay_state_esn_len(orig->replay_esn),
+ GFP_KERNEL);
+ if (!x->replay_esn)
+ return -ENOMEM;
+
+ x->replay_esn->bmp_len = orig->replay_esn->bmp_len;
+ x->replay_esn->replay_window = orig->replay_esn->replay_window;
+
+ x->preplay_esn = kmemdup(x->replay_esn,
+ xfrm_replay_state_esn_len(x->replay_esn),
+ GFP_KERNEL);
+ if (!x->preplay_esn) {
+ kfree(x->replay_esn);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
static inline struct xfrm_algo *xfrm_algo_clone(struct xfrm_algo *orig)
{
return kmemdup(orig, xfrm_alg_len(orig), GFP_KERNEL);