[IPSEC]: exporting xfrm_state_afinfo

This patch exports xfrm_state_afinfo.
Signed-off-by: Miika Komu <miika@iki.fi>
Signed-off-by: Diego Beltrami <Diego.Beltrami@hiit.fi>
Signed-off-by: Kazunori Miyazawa <miyazawa@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

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);
 

net/ipv4/xfrm4_state.c

@@ -51,6 +51,7 @@ static struct xfrm_state_afinfo xfrm4_state_afinfo = {
 	.family			= AF_INET,
 	.init_flags		= xfrm4_init_flags,
 	.init_tempsel		= __xfrm4_init_tempsel,
+	.output			= xfrm4_output,
 };
 
 void __init xfrm4_state_init(void)

net/ipv6/xfrm6_state.c

@@ -171,6 +171,7 @@ static struct xfrm_state_afinfo xfrm6_state_afinfo = {
 	.init_tempsel		= __xfrm6_init_tempsel,
 	.tmpl_sort		= __xfrm6_tmpl_sort,
 	.state_sort		= __xfrm6_state_sort,
+	.output			= xfrm6_output,
 };
 
 void __init xfrm6_state_init(void)

net/xfrm/xfrm_state.c

@@ -183,9 +183,6 @@ static DEFINE_SPINLOCK(xfrm_state_gc_lock);
 
 int __xfrm_state_delete(struct xfrm_state *x);
 
-static struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned short family);
-static void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo);
-
 int km_query(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_policy *pol);
 void km_state_expired(struct xfrm_state *x, int hard, u32 pid);
 
@@ -1458,7 +1455,7 @@ int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo)
 }
 EXPORT_SYMBOL(xfrm_state_unregister_afinfo);
 
-static struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned short family)
+struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned short family)
 {
 	struct xfrm_state_afinfo *afinfo;
 	if (unlikely(family >= NPROTO))
@@ -1470,11 +1467,14 @@ static struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned short family)
 	return afinfo;
 }
 
-static void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo)
+void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo)
 {
 	read_unlock(&xfrm_state_afinfo_lock);
 }
 
+EXPORT_SYMBOL(xfrm_state_get_afinfo);
+EXPORT_SYMBOL(xfrm_state_put_afinfo);
+
 /* Temporarily located here until net/xfrm/xfrm_tunnel.c is created */
 void xfrm_state_delete_tunnel(struct xfrm_state *x)
 {