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-rw-r--r--include/net/xfrm.h382
1 files changed, 197 insertions, 185 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index e253bf0cc7e..6b82fdf4ba7 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -307,15 +307,17 @@ struct xfrm_policy_afinfo {
struct dst_entry *(*blackhole_route)(struct net *net, struct dst_entry *orig);
};
-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, const struct km_event *c);
-extern void km_state_notify(struct xfrm_state *x, const struct km_event *c);
+int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo);
+int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo);
+void km_policy_notify(struct xfrm_policy *xp, int dir,
+ const struct km_event *c);
+void km_state_notify(struct xfrm_state *x, const struct km_event *c);
struct xfrm_tmpl;
-extern int km_query(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_policy *pol);
-extern void km_state_expired(struct xfrm_state *x, int hard, u32 portid);
-extern int __xfrm_state_delete(struct xfrm_state *x);
+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 portid);
+int __xfrm_state_delete(struct xfrm_state *x);
struct xfrm_state_afinfo {
unsigned int family;
@@ -344,12 +346,12 @@ struct xfrm_state_afinfo {
void (*local_error)(struct sk_buff *skb, u32 mtu);
};
-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 int family);
-extern void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo);
+int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo);
+int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo);
+struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family);
+void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo);
-extern void xfrm_state_delete_tunnel(struct xfrm_state *x);
+void xfrm_state_delete_tunnel(struct xfrm_state *x);
struct xfrm_type {
char *description;
@@ -372,8 +374,8 @@ struct xfrm_type {
u32 (*get_mtu)(struct xfrm_state *, int size);
};
-extern int xfrm_register_type(const struct xfrm_type *type, unsigned short family);
-extern int xfrm_unregister_type(const struct xfrm_type *type, unsigned short family);
+int xfrm_register_type(const struct xfrm_type *type, unsigned short family);
+int xfrm_unregister_type(const struct xfrm_type *type, unsigned short family);
struct xfrm_mode {
/*
@@ -434,8 +436,8 @@ enum {
XFRM_MODE_FLAG_TUNNEL = 1,
};
-extern int xfrm_register_mode(struct xfrm_mode *mode, int family);
-extern int xfrm_unregister_mode(struct xfrm_mode *mode, int family);
+int xfrm_register_mode(struct xfrm_mode *mode, int family);
+int xfrm_unregister_mode(struct xfrm_mode *mode, int family);
static inline int xfrm_af2proto(unsigned int family)
{
@@ -595,8 +597,8 @@ struct xfrm_mgr {
const struct xfrm_kmaddress *k);
};
-extern int xfrm_register_km(struct xfrm_mgr *km);
-extern int xfrm_unregister_km(struct xfrm_mgr *km);
+int xfrm_register_km(struct xfrm_mgr *km);
+int xfrm_unregister_km(struct xfrm_mgr *km);
/*
* This structure is used for the duration where packets are being
@@ -713,23 +715,23 @@ static inline void xfrm_audit_helper_usrinfo(kuid_t auid, u32 ses, u32 secid,
audit_log_task_context(audit_buf);
}
-extern void xfrm_audit_policy_add(struct xfrm_policy *xp, int result,
- kuid_t auid, u32 ses, u32 secid);
-extern void xfrm_audit_policy_delete(struct xfrm_policy *xp, int result,
- kuid_t auid, u32 ses, u32 secid);
-extern void xfrm_audit_state_add(struct xfrm_state *x, int result,
- kuid_t auid, u32 ses, u32 secid);
-extern void xfrm_audit_state_delete(struct xfrm_state *x, int result,
- kuid_t auid, u32 ses, u32 secid);
-extern void xfrm_audit_state_replay_overflow(struct xfrm_state *x,
- struct sk_buff *skb);
-extern void xfrm_audit_state_replay(struct xfrm_state *x,
- struct sk_buff *skb, __be32 net_seq);
-extern void xfrm_audit_state_notfound_simple(struct sk_buff *skb, u16 family);
-extern void xfrm_audit_state_notfound(struct sk_buff *skb, u16 family,
- __be32 net_spi, __be32 net_seq);
-extern void xfrm_audit_state_icvfail(struct xfrm_state *x,
- struct sk_buff *skb, u8 proto);
+void xfrm_audit_policy_add(struct xfrm_policy *xp, int result, kuid_t auid,
+ u32 ses, u32 secid);
+void xfrm_audit_policy_delete(struct xfrm_policy *xp, int result, kuid_t auid,
+ u32 ses, u32 secid);
+void xfrm_audit_state_add(struct xfrm_state *x, int result, kuid_t auid,
+ u32 ses, u32 secid);
+void xfrm_audit_state_delete(struct xfrm_state *x, int result, kuid_t auid,
+ u32 ses, u32 secid);
+void xfrm_audit_state_replay_overflow(struct xfrm_state *x,
+ struct sk_buff *skb);
+void xfrm_audit_state_replay(struct xfrm_state *x, struct sk_buff *skb,
+ __be32 net_seq);
+void xfrm_audit_state_notfound_simple(struct sk_buff *skb, u16 family);
+void xfrm_audit_state_notfound(struct sk_buff *skb, u16 family, __be32 net_spi,
+ __be32 net_seq);
+void xfrm_audit_state_icvfail(struct xfrm_state *x, struct sk_buff *skb,
+ u8 proto);
#else
static inline void xfrm_audit_policy_add(struct xfrm_policy *xp, int result,
@@ -784,7 +786,7 @@ static inline void xfrm_pol_hold(struct xfrm_policy *policy)
atomic_inc(&policy->refcnt);
}
-extern void xfrm_policy_destroy(struct xfrm_policy *policy);
+void xfrm_policy_destroy(struct xfrm_policy *policy);
static inline void xfrm_pol_put(struct xfrm_policy *policy)
{
@@ -799,7 +801,7 @@ static inline void xfrm_pols_put(struct xfrm_policy **pols, int npols)
xfrm_pol_put(pols[i]);
}
-extern void __xfrm_state_destroy(struct xfrm_state *);
+void __xfrm_state_destroy(struct xfrm_state *);
static inline void __xfrm_state_put(struct xfrm_state *x)
{
@@ -903,9 +905,8 @@ __be16 xfrm_flowi_dport(const struct flowi *fl, const union flowi_uli *uli)
return port;
}
-extern bool xfrm_selector_match(const struct xfrm_selector *sel,
- const struct flowi *fl,
- unsigned short family);
+bool xfrm_selector_match(const struct xfrm_selector *sel,
+ const struct flowi *fl, unsigned short family);
#ifdef CONFIG_SECURITY_NETWORK_XFRM
/* If neither has a context --> match
@@ -975,7 +976,7 @@ static inline void xfrm_dst_destroy(struct xfrm_dst *xdst)
}
#endif
-extern void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev);
+void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev);
struct sec_path {
atomic_t refcnt;
@@ -1000,7 +1001,7 @@ secpath_get(struct sec_path *sp)
return sp;
}
-extern void __secpath_destroy(struct sec_path *sp);
+void __secpath_destroy(struct sec_path *sp);
static inline void
secpath_put(struct sec_path *sp)
@@ -1009,7 +1010,7 @@ secpath_put(struct sec_path *sp)
__secpath_destroy(sp);
}
-extern struct sec_path *secpath_dup(struct sec_path *src);
+struct sec_path *secpath_dup(struct sec_path *src);
static inline void
secpath_reset(struct sk_buff *skb)
@@ -1059,7 +1060,8 @@ xfrm_state_addr_cmp(const struct xfrm_tmpl *tmpl, const struct xfrm_state *x, un
}
#ifdef CONFIG_XFRM
-extern int __xfrm_policy_check(struct sock *, int dir, struct sk_buff *skb, unsigned short family);
+int __xfrm_policy_check(struct sock *, int dir, struct sk_buff *skb,
+ unsigned short family);
static inline int __xfrm_policy_check2(struct sock *sk, int dir,
struct sk_buff *skb,
@@ -1103,8 +1105,8 @@ static inline int xfrm6_policy_check_reverse(struct sock *sk, int dir,
return __xfrm_policy_check2(sk, dir, skb, AF_INET6, 1);
}
-extern int __xfrm_decode_session(struct sk_buff *skb, struct flowi *fl,
- unsigned int family, int reverse);
+int __xfrm_decode_session(struct sk_buff *skb, struct flowi *fl,
+ unsigned int family, int reverse);
static inline int xfrm_decode_session(struct sk_buff *skb, struct flowi *fl,
unsigned int family)
@@ -1119,7 +1121,7 @@ static inline int xfrm_decode_session_reverse(struct sk_buff *skb,
return __xfrm_decode_session(skb, fl, family, 1);
}
-extern int __xfrm_route_forward(struct sk_buff *skb, unsigned short family);
+int __xfrm_route_forward(struct sk_buff *skb, unsigned short family);
static inline int xfrm_route_forward(struct sk_buff *skb, unsigned short family)
{
@@ -1140,7 +1142,7 @@ static inline int xfrm6_route_forward(struct sk_buff *skb)
return xfrm_route_forward(skb, AF_INET6);
}
-extern int __xfrm_sk_clone_policy(struct sock *sk);
+int __xfrm_sk_clone_policy(struct sock *sk);
static inline int xfrm_sk_clone_policy(struct sock *sk)
{
@@ -1149,7 +1151,7 @@ static inline int xfrm_sk_clone_policy(struct sock *sk)
return 0;
}
-extern int xfrm_policy_delete(struct xfrm_policy *pol, int dir);
+int xfrm_policy_delete(struct xfrm_policy *pol, int dir);
static inline void xfrm_sk_free_policy(struct sock *sk)
{
@@ -1163,7 +1165,7 @@ static inline void xfrm_sk_free_policy(struct sock *sk)
}
}
-extern void xfrm_garbage_collect(struct net *net);
+void xfrm_garbage_collect(struct net *net);
#else
@@ -1355,6 +1357,12 @@ struct xfrm_tunnel {
int priority;
};
+struct xfrm_tunnel_notifier {
+ int (*handler)(struct sk_buff *skb);
+ struct xfrm_tunnel_notifier __rcu *next;
+ int priority;
+};
+
struct xfrm6_tunnel {
int (*handler)(struct sk_buff *skb);
int (*err_handler)(struct sk_buff *skb, struct inet6_skb_parm *opt,
@@ -1363,16 +1371,16 @@ struct xfrm6_tunnel {
int priority;
};
-extern void xfrm_init(void);
-extern void xfrm4_init(void);
-extern int xfrm_state_init(struct net *net);
-extern void xfrm_state_fini(struct net *net);
-extern void xfrm4_state_init(void);
+void xfrm_init(void);
+void xfrm4_init(void);
+int xfrm_state_init(struct net *net);
+void xfrm_state_fini(struct net *net);
+void xfrm4_state_init(void);
#ifdef CONFIG_XFRM
-extern int xfrm6_init(void);
-extern void xfrm6_fini(void);
-extern int xfrm6_state_init(void);
-extern void xfrm6_state_fini(void);
+int xfrm6_init(void);
+void xfrm6_fini(void);
+int xfrm6_state_init(void);
+void xfrm6_state_fini(void);
#else
static inline int xfrm6_init(void)
{
@@ -1385,52 +1393,52 @@ static inline void xfrm6_fini(void)
#endif
#ifdef CONFIG_XFRM_STATISTICS
-extern int xfrm_proc_init(struct net *net);
-extern void xfrm_proc_fini(struct net *net);
+int xfrm_proc_init(struct net *net);
+void xfrm_proc_fini(struct net *net);
#endif
-extern int xfrm_sysctl_init(struct net *net);
+int xfrm_sysctl_init(struct net *net);
#ifdef CONFIG_SYSCTL
-extern void xfrm_sysctl_fini(struct net *net);
+void xfrm_sysctl_fini(struct net *net);
#else
static inline void xfrm_sysctl_fini(struct net *net)
{
}
#endif
-extern void xfrm_state_walk_init(struct xfrm_state_walk *walk, u8 proto);
-extern int xfrm_state_walk(struct net *net, 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(struct net *net);
-extern struct xfrm_state *xfrm_state_find(const xfrm_address_t *daddr,
- const xfrm_address_t *saddr,
- const struct flowi *fl,
- struct xfrm_tmpl *tmpl,
- struct xfrm_policy *pol, int *err,
- unsigned short family);
-extern struct xfrm_state *xfrm_stateonly_find(struct net *net, u32 mark,
- xfrm_address_t *daddr,
- xfrm_address_t *saddr,
- unsigned short family,
- u8 mode, u8 proto, u32 reqid);
-extern int xfrm_state_check_expire(struct xfrm_state *x);
-extern void xfrm_state_insert(struct xfrm_state *x);
-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(struct net *net, u32 mark,
- const xfrm_address_t *daddr, __be32 spi,
- u8 proto, unsigned short family);
-extern struct xfrm_state *xfrm_state_lookup_byaddr(struct net *net, u32 mark,
- const xfrm_address_t *daddr,
- const xfrm_address_t *saddr,
- u8 proto,
- unsigned short family);
+void xfrm_state_walk_init(struct xfrm_state_walk *walk, u8 proto);
+int xfrm_state_walk(struct net *net, struct xfrm_state_walk *walk,
+ int (*func)(struct xfrm_state *, int, void*), void *);
+void xfrm_state_walk_done(struct xfrm_state_walk *walk);
+struct xfrm_state *xfrm_state_alloc(struct net *net);
+struct xfrm_state *xfrm_state_find(const xfrm_address_t *daddr,
+ const xfrm_address_t *saddr,
+ const struct flowi *fl,
+ struct xfrm_tmpl *tmpl,
+ struct xfrm_policy *pol, int *err,
+ unsigned short family);
+struct xfrm_state *xfrm_stateonly_find(struct net *net, u32 mark,
+ xfrm_address_t *daddr,
+ xfrm_address_t *saddr,
+ unsigned short family,
+ u8 mode, u8 proto, u32 reqid);
+int xfrm_state_check_expire(struct xfrm_state *x);
+void xfrm_state_insert(struct xfrm_state *x);
+int xfrm_state_add(struct xfrm_state *x);
+int xfrm_state_update(struct xfrm_state *x);
+struct xfrm_state *xfrm_state_lookup(struct net *net, u32 mark,
+ const xfrm_address_t *daddr, __be32 spi,
+ u8 proto, unsigned short family);
+struct xfrm_state *xfrm_state_lookup_byaddr(struct net *net, u32 mark,
+ const xfrm_address_t *daddr,
+ const xfrm_address_t *saddr,
+ u8 proto,
+ unsigned short family);
#ifdef CONFIG_XFRM_SUB_POLICY
-extern int xfrm_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src,
- int n, unsigned short family);
-extern int xfrm_state_sort(struct xfrm_state **dst, struct xfrm_state **src,
- int n, unsigned short family);
+int xfrm_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n,
+ unsigned short family);
+int xfrm_state_sort(struct xfrm_state **dst, struct xfrm_state **src, int n,
+ unsigned short family);
#else
static inline int xfrm_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src,
int n, unsigned short family)
@@ -1462,68 +1470,69 @@ struct xfrmk_spdinfo {
u32 spdhmcnt;
};
-extern struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 mark,
- u32 seq);
-extern int xfrm_state_delete(struct xfrm_state *x);
-extern int xfrm_state_flush(struct net *net, u8 proto, struct xfrm_audit *audit_info);
-extern void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si);
-extern void xfrm_spd_getinfo(struct net *net, struct xfrmk_spdinfo *si);
-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,
- int encap_type);
-extern int xfrm_input_resume(struct sk_buff *skb, int nexthdr);
-extern int xfrm_output_resume(struct sk_buff *skb, int err);
-extern int xfrm_output(struct sk_buff *skb);
-extern int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb);
-extern void xfrm_local_error(struct sk_buff *skb, int mtu);
-extern int xfrm4_extract_header(struct sk_buff *skb);
-extern int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb);
-extern int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
- int encap_type);
-extern int xfrm4_transport_finish(struct sk_buff *skb, int async);
-extern int xfrm4_rcv(struct sk_buff *skb);
+struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 mark, u32 seq);
+int xfrm_state_delete(struct xfrm_state *x);
+int xfrm_state_flush(struct net *net, u8 proto, struct xfrm_audit *audit_info);
+void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si);
+void xfrm_spd_getinfo(struct net *net, struct xfrmk_spdinfo *si);
+u32 xfrm_replay_seqhi(struct xfrm_state *x, __be32 net_seq);
+int xfrm_init_replay(struct xfrm_state *x);
+int xfrm_state_mtu(struct xfrm_state *x, int mtu);
+int __xfrm_init_state(struct xfrm_state *x, bool init_replay);
+int xfrm_init_state(struct xfrm_state *x);
+int xfrm_prepare_input(struct xfrm_state *x, struct sk_buff *skb);
+int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type);
+int xfrm_input_resume(struct sk_buff *skb, int nexthdr);
+int xfrm_output_resume(struct sk_buff *skb, int err);
+int xfrm_output(struct sk_buff *skb);
+int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb);
+void xfrm_local_error(struct sk_buff *skb, int mtu);
+int xfrm4_extract_header(struct sk_buff *skb);
+int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb);
+int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
+ int encap_type);
+int xfrm4_transport_finish(struct sk_buff *skb, int async);
+int xfrm4_rcv(struct sk_buff *skb);
static inline int xfrm4_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi)
{
return xfrm4_rcv_encap(skb, nexthdr, spi, 0);
}
-extern int xfrm4_extract_output(struct xfrm_state *x, struct sk_buff *skb);
-extern int xfrm4_prepare_output(struct xfrm_state *x, struct sk_buff *skb);
-extern int xfrm4_output(struct sk_buff *skb);
-extern int xfrm4_output_finish(struct sk_buff *skb);
-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 xfrm4_mode_tunnel_input_register(struct xfrm_tunnel *handler);
-extern int xfrm4_mode_tunnel_input_deregister(struct xfrm_tunnel *handler);
-extern void xfrm4_local_error(struct sk_buff *skb, u32 mtu);
-extern int xfrm6_extract_header(struct sk_buff *skb);
-extern int xfrm6_extract_input(struct xfrm_state *x, struct sk_buff *skb);
-extern int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi);
-extern int xfrm6_transport_finish(struct sk_buff *skb, int async);
-extern int xfrm6_rcv(struct sk_buff *skb);
-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, unsigned short family);
-extern int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler, unsigned short family);
-extern __be32 xfrm6_tunnel_alloc_spi(struct net *net, xfrm_address_t *saddr);
-extern __be32 xfrm6_tunnel_spi_lookup(struct net *net, const xfrm_address_t *saddr);
-extern int xfrm6_extract_output(struct xfrm_state *x, struct sk_buff *skb);
-extern int xfrm6_prepare_output(struct xfrm_state *x, struct sk_buff *skb);
-extern int xfrm6_output(struct sk_buff *skb);
-extern int xfrm6_output_finish(struct sk_buff *skb);
-extern int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb,
- u8 **prevhdr);
-extern void xfrm6_local_error(struct sk_buff *skb, u32 mtu);
+int xfrm4_extract_output(struct xfrm_state *x, struct sk_buff *skb);
+int xfrm4_prepare_output(struct xfrm_state *x, struct sk_buff *skb);
+int xfrm4_output(struct sk_buff *skb);
+int xfrm4_output_finish(struct sk_buff *skb);
+int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short family);
+int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family);
+void xfrm4_local_error(struct sk_buff *skb, u32 mtu);
+int xfrm4_mode_tunnel_input_register(struct xfrm_tunnel_notifier *handler);
+int xfrm4_mode_tunnel_input_deregister(struct xfrm_tunnel_notifier *handler);
+int xfrm6_mode_tunnel_input_register(struct xfrm_tunnel_notifier *handler);
+int xfrm6_mode_tunnel_input_deregister(struct xfrm_tunnel_notifier *handler);
+int xfrm6_extract_header(struct sk_buff *skb);
+int xfrm6_extract_input(struct xfrm_state *x, struct sk_buff *skb);
+int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi);
+int xfrm6_transport_finish(struct sk_buff *skb, int async);
+int xfrm6_rcv(struct sk_buff *skb);
+int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
+ xfrm_address_t *saddr, u8 proto);
+void xfrm6_local_error(struct sk_buff *skb, u32 mtu);
+int xfrm6_tunnel_register(struct xfrm6_tunnel *handler, unsigned short family);
+int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler, unsigned short family);
+__be32 xfrm6_tunnel_alloc_spi(struct net *net, xfrm_address_t *saddr);
+__be32 xfrm6_tunnel_spi_lookup(struct net *net, const xfrm_address_t *saddr);
+int xfrm6_extract_output(struct xfrm_state *x, struct sk_buff *skb);
+int xfrm6_prepare_output(struct xfrm_state *x, struct sk_buff *skb);
+int xfrm6_output(struct sk_buff *skb);
+int xfrm6_output_finish(struct sk_buff *skb);
+int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb,
+ u8 **prevhdr);
#ifdef CONFIG_XFRM
-extern int xfrm4_udp_encap_rcv(struct sock *sk, struct sk_buff *skb);
-extern int xfrm_user_policy(struct sock *sk, int optname, u8 __user *optval, int optlen);
+int xfrm4_udp_encap_rcv(struct sock *sk, struct sk_buff *skb);
+int xfrm_user_policy(struct sock *sk, int optname,
+ u8 __user *optval, int optlen);
#else
static inline int xfrm_user_policy(struct sock *sk, int optname, u8 __user *optval, int optlen)
{
@@ -1540,59 +1549,62 @@ static inline int xfrm4_udp_encap_rcv(struct sock *sk, struct sk_buff *skb)
struct xfrm_policy *xfrm_policy_alloc(struct net *net, gfp_t gfp);
-extern void xfrm_policy_walk_init(struct xfrm_policy_walk *walk, u8 type);
-extern int xfrm_policy_walk(struct net *net, struct xfrm_policy_walk *walk,
- int (*func)(struct xfrm_policy *, int, int, void*), void *);
-extern void xfrm_policy_walk_done(struct xfrm_policy_walk *walk);
+void xfrm_policy_walk_init(struct xfrm_policy_walk *walk, u8 type);
+int xfrm_policy_walk(struct net *net, struct xfrm_policy_walk *walk,
+ int (*func)(struct xfrm_policy *, int, int, void*),
+ void *);
+void xfrm_policy_walk_done(struct xfrm_policy_walk *walk);
int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl);
struct xfrm_policy *xfrm_policy_bysel_ctx(struct net *net, u32 mark,
u8 type, int dir,
struct xfrm_selector *sel,
struct xfrm_sec_ctx *ctx, int delete,
int *err);
-struct xfrm_policy *xfrm_policy_byid(struct net *net, u32 mark, u8, int dir, u32 id, int delete, int *err);
+struct xfrm_policy *xfrm_policy_byid(struct net *net, u32 mark, u8, int dir,
+ u32 id, int delete, int *err);
int xfrm_policy_flush(struct net *net, u8 type, struct xfrm_audit *audit_info);
u32 xfrm_get_acqseq(void);
-extern int xfrm_alloc_spi(struct xfrm_state *x, u32 minspi, u32 maxspi);
+int xfrm_alloc_spi(struct xfrm_state *x, u32 minspi, u32 maxspi);
struct xfrm_state *xfrm_find_acq(struct net *net, const struct xfrm_mark *mark,
u8 mode, u32 reqid, u8 proto,
const xfrm_address_t *daddr,
const xfrm_address_t *saddr, int create,
unsigned short family);
-extern int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol);
+int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol);
#ifdef CONFIG_XFRM_MIGRATE
-extern int km_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
- const struct xfrm_migrate *m, int num_bundles,
- const 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(const struct xfrm_selector *sel, u8 dir, u8 type,
- struct xfrm_migrate *m, int num_bundles,
- struct xfrm_kmaddress *k);
+int km_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
+ const struct xfrm_migrate *m, int num_bundles,
+ const struct xfrm_kmaddress *k);
+struct xfrm_state *xfrm_migrate_state_find(struct xfrm_migrate *m);
+struct xfrm_state *xfrm_state_migrate(struct xfrm_state *x,
+ struct xfrm_migrate *m);
+int xfrm_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
+ struct xfrm_migrate *m, int num_bundles,
+ struct xfrm_kmaddress *k);
#endif
-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 portid);
-extern int km_report(struct net *net, u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
-
-extern void xfrm_input_init(void);
-extern int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq);
-
-extern void xfrm_probe_algs(void);
-extern int xfrm_count_pfkey_auth_supported(void);
-extern int xfrm_count_pfkey_enc_supported(void);
-extern struct xfrm_algo_desc *xfrm_aalg_get_byidx(unsigned int idx);
-extern struct xfrm_algo_desc *xfrm_ealg_get_byidx(unsigned int idx);
-extern struct xfrm_algo_desc *xfrm_aalg_get_byid(int alg_id);
-extern struct xfrm_algo_desc *xfrm_ealg_get_byid(int alg_id);
-extern struct xfrm_algo_desc *xfrm_calg_get_byid(int alg_id);
-extern struct xfrm_algo_desc *xfrm_aalg_get_byname(const char *name, int probe);
-extern struct xfrm_algo_desc *xfrm_ealg_get_byname(const char *name, int probe);
-extern struct xfrm_algo_desc *xfrm_calg_get_byname(const char *name, int probe);
-extern struct xfrm_algo_desc *xfrm_aead_get_byname(const char *name, int icv_len,
- int probe);
+int km_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport);
+void km_policy_expired(struct xfrm_policy *pol, int dir, int hard, u32 portid);
+int km_report(struct net *net, u8 proto, struct xfrm_selector *sel,
+ xfrm_address_t *addr);
+
+void xfrm_input_init(void);
+int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq);
+
+void xfrm_probe_algs(void);
+int xfrm_count_pfkey_auth_supported(void);
+int xfrm_count_pfkey_enc_supported(void);
+struct xfrm_algo_desc *xfrm_aalg_get_byidx(unsigned int idx);
+struct xfrm_algo_desc *xfrm_ealg_get_byidx(unsigned int idx);
+struct xfrm_algo_desc *xfrm_aalg_get_byid(int alg_id);
+struct xfrm_algo_desc *xfrm_ealg_get_byid(int alg_id);
+struct xfrm_algo_desc *xfrm_calg_get_byid(int alg_id);
+struct xfrm_algo_desc *xfrm_aalg_get_byname(const char *name, int probe);
+struct xfrm_algo_desc *xfrm_ealg_get_byname(const char *name, int probe);
+struct xfrm_algo_desc *xfrm_calg_get_byname(const char *name, int probe);
+struct xfrm_algo_desc *xfrm_aead_get_byname(const char *name, int icv_len,
+ int probe);
static inline bool xfrm6_addr_equal(const xfrm_address_t *a,
const xfrm_address_t *b)