Merge git://oss.sgi.com:8090/xfs/xfs-2.6

[linux-2.6-omap-h63xx.git] / include / net / xfrm.h

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index c7870b6eae0186db25107eaeeca157a9bed9658d..1e2a4ddec96e3c7cfdf8e5ef2010d234c0673821 100644 (file)
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -222,6 +222,7 @@ struct xfrm_policy_afinfo {
        struct dst_ops          *dst_ops;
        void                    (*garbage_collect)(void);
        int                     (*dst_lookup)(struct xfrm_dst **dst, struct flowi *fl);
+       int                     (*get_saddr)(xfrm_address_t *saddr, xfrm_address_t *daddr);
        struct dst_entry        *(*find_bundle)(struct flowi *fl, struct xfrm_policy *policy);
        int                     (*bundle_create)(struct xfrm_policy *policy, 
                                                 struct xfrm_state **xfrm, 
@@ -285,7 +286,7 @@ extern void xfrm_put_type(struct xfrm_type *type);
 
 struct xfrm_mode {
        int (*input)(struct xfrm_state *x, struct sk_buff *skb);
-       int (*output)(struct sk_buff *skb);
+       int (*output)(struct xfrm_state *x,struct sk_buff *skb);
 
        struct module *owner;
        unsigned int encap;
@@ -331,7 +332,8 @@ struct xfrm_tmpl
 struct xfrm_policy
 {
        struct xfrm_policy      *next;
-       struct list_head        list;
+       struct hlist_node       bydst;
+       struct hlist_node       byidx;
 
        /* This lock only affects elements except for entry. */
        rwlock_t                lock;
@@ -385,21 +387,7 @@ struct xfrm_mgr
 extern int xfrm_register_km(struct xfrm_mgr *km);
 extern int xfrm_unregister_km(struct xfrm_mgr *km);
 
-
-extern struct xfrm_policy *xfrm_policy_list[XFRM_POLICY_MAX*2];
-#ifdef CONFIG_XFRM_SUB_POLICY
-extern struct xfrm_policy *xfrm_policy_list_sub[XFRM_POLICY_MAX*2];
-
-static inline int xfrm_policy_lists_empty(int dir)
-{
-       return (!xfrm_policy_list[dir] && !xfrm_policy_list_sub[dir]);
-}
-#else
-static inline int xfrm_policy_lists_empty(int dir)
-{
-       return (!xfrm_policy_list[dir]);
-}
-#endif
+extern unsigned int xfrm_policy_count[XFRM_POLICY_MAX*2];
 
 static inline void xfrm_pol_hold(struct xfrm_policy *policy)
 {
@@ -449,8 +437,8 @@ static inline void xfrm_state_hold(struct xfrm_state *x)
 
 static __inline__ int addr_match(void *token1, void *token2, int prefixlen)
 {
-       __u32 *a1 = token1;
-       __u32 *a2 = token2;
+       __be32 *a1 = token1;
+       __be32 *a2 = token2;
        int pdw;
        int pbi;
 
@@ -462,7 +450,7 @@ static __inline__ int addr_match(void *token1, void *token2, int prefixlen)
                        return 0;
 
        if (pbi) {
-               __u32 mask;
+               __be32 mask;
 
                mask = htonl((0xffffffff) << (32 - pbi));
 
@@ -474,9 +462,9 @@ static __inline__ int addr_match(void *token1, void *token2, int prefixlen)
 }
 
 static __inline__
-u16 xfrm_flowi_sport(struct flowi *fl)
+__be16 xfrm_flowi_sport(struct flowi *fl)
 {
-       u16 port;
+       __be16 port;
        switch(fl->proto) {
        case IPPROTO_TCP:
        case IPPROTO_UDP:
@@ -499,9 +487,9 @@ u16 xfrm_flowi_sport(struct flowi *fl)
 }
 
 static __inline__
-u16 xfrm_flowi_dport(struct flowi *fl)
+__be16 xfrm_flowi_dport(struct flowi *fl)
 {
-       u16 port;
+       __be16 port;
        switch(fl->proto) {
        case IPPROTO_TCP:
        case IPPROTO_UDP:
@@ -643,6 +631,18 @@ secpath_reset(struct sk_buff *skb)
 #endif
 }
 
+static inline int
+xfrm_addr_any(xfrm_address_t *addr, unsigned short family)
+{
+       switch (family) {
+       case AF_INET:
+               return addr->a4 == 0;
+       case AF_INET6:
+               return ipv6_addr_any((struct in6_addr *)&addr->a6);
+       }
+       return 0;
+}
+
 static inline int
 __xfrm4_state_addr_cmp(struct xfrm_tmpl *tmpl, struct xfrm_state *x)
 {
@@ -678,7 +678,7 @@ static inline int xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *sk
        if (sk && sk->sk_policy[XFRM_POLICY_IN])
                return __xfrm_policy_check(sk, dir, skb, family);
 
-       return  (xfrm_policy_lists_empty(dir) && !skb->sp) ||
+       return  (!xfrm_policy_count[dir] && !skb->sp) ||
                (skb->dst->flags & DST_NOPOLICY) ||
                __xfrm_policy_check(sk, dir, skb, family);
 }
@@ -698,7 +698,7 @@ extern int __xfrm_route_forward(struct sk_buff *skb, unsigned short family);
 
 static inline int xfrm_route_forward(struct sk_buff *skb, unsigned short family)
 {
-       return  xfrm_policy_lists_empty(XFRM_POLICY_OUT) ||
+       return  !xfrm_policy_count[XFRM_POLICY_OUT] ||
                (skb->dst->flags & DST_NOXFRM) ||
                __xfrm_route_forward(skb, family);
 }
@@ -912,7 +912,7 @@ 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(xfrm_address_t *daddr, u32 spi, u8 proto, unsigned short family);
+extern struct xfrm_state *xfrm_state_lookup(xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family);
 extern struct xfrm_state *xfrm_state_lookup_byaddr(xfrm_address_t *daddr, 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,
@@ -935,8 +935,8 @@ static inline int xfrm_state_sort(struct xfrm_state **dst, struct xfrm_state **s
 extern struct xfrm_state *xfrm_find_acq_byseq(u32 seq);
 extern int xfrm_state_delete(struct xfrm_state *x);
 extern void xfrm_state_flush(u8 proto);
-extern int xfrm_replay_check(struct xfrm_state *x, u32 seq);
-extern void xfrm_replay_advance(struct xfrm_state *x, u32 seq);
+extern int xfrm_replay_check(struct xfrm_state *x, __be32 seq);
+extern void xfrm_replay_advance(struct xfrm_state *x, __be32 seq);
 extern void xfrm_replay_notify(struct xfrm_state *x, int event);
 extern int xfrm_state_check(struct xfrm_state *x, struct sk_buff *skb);
 extern int xfrm_state_mtu(struct xfrm_state *x, int mtu);
@@ -945,7 +945,7 @@ 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 xfrm6_rcv_spi(struct sk_buff *skb, u32 spi);
+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);
@@ -989,7 +989,7 @@ struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir,
 struct xfrm_policy *xfrm_policy_byid(u8, int dir, u32 id, int delete);
 void xfrm_policy_flush(u8 type);
 u32 xfrm_get_acqseq(void);
-void xfrm_alloc_spi(struct xfrm_state *x, u32 minspi, u32 maxspi);
+void xfrm_alloc_spi(struct xfrm_state *x, __be32 minspi, __be32 maxspi);
 struct xfrm_state * xfrm_find_acq(u8 mode, u32 reqid, u8 proto, 
                                  xfrm_address_t *daddr, xfrm_address_t *saddr, 
                                  int create, unsigned short family);
@@ -1004,7 +1004,7 @@ extern void km_policy_expired(struct xfrm_policy *pol, int dir, int hard, u32 pi
 extern int km_report(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, u32 *spi, u32 *seq);
+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_auth_supported(void);