struct xfrm_state
{
/* Note: bydst is re-used during gc */
- struct list_head bydst;
- struct list_head bysrc;
- struct list_head byspi;
+ struct hlist_node bydst;
+ struct hlist_node bysrc;
+ struct hlist_node byspi;
atomic_t refcnt;
spinlock_t lock;
struct xfrm_id id;
struct xfrm_selector sel;
+ u32 genid;
+
/* Key manger bits */
struct {
u8 state;
u32 proto;
u32 byid;
u32 aevent;
+ u32 type;
} data;
u32 seq;
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,
struct xfrm_state_afinfo {
unsigned short family;
- struct list_head *state_bydst;
- struct list_head *state_bysrc;
- struct list_head *state_byspi;
int (*init_flags)(struct xfrm_state *x);
void (*init_tempsel)(struct xfrm_state *x, struct flowi *fl,
struct xfrm_tmpl *tmpl,
xfrm_address_t *daddr, xfrm_address_t *saddr);
- struct xfrm_state *(*state_lookup)(xfrm_address_t *daddr, u32 spi, u8 proto);
- struct xfrm_state *(*state_lookup_byaddr)(xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto);
- struct xfrm_state *(*find_acq)(u8 mode, u32 reqid, u8 proto,
- xfrm_address_t *daddr, xfrm_address_t *saddr,
- int create);
+ 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);
};
extern int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo);
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;
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;
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)
{
}
#endif
-#define XFRM_DST_HSIZE 1024
-
-static __inline__
-unsigned __xfrm4_dst_hash(xfrm_address_t *addr)
-{
- unsigned h;
- h = ntohl(addr->a4);
- h = (h ^ (h>>16)) % XFRM_DST_HSIZE;
- return h;
-}
-
-static __inline__
-unsigned __xfrm6_dst_hash(xfrm_address_t *addr)
-{
- unsigned h;
- h = ntohl(addr->a6[2]^addr->a6[3]);
- h = (h ^ (h>>16)) % XFRM_DST_HSIZE;
- return h;
-}
-
-static __inline__
-unsigned xfrm_dst_hash(xfrm_address_t *addr, unsigned short family)
-{
- switch (family) {
- case AF_INET:
- return __xfrm4_dst_hash(addr);
- case AF_INET6:
- return __xfrm6_dst_hash(addr);
- }
- return 0;
-}
-
-static __inline__
-unsigned __xfrm4_src_hash(xfrm_address_t *addr)
-{
- return __xfrm4_dst_hash(addr);
-}
-
-static __inline__
-unsigned __xfrm6_src_hash(xfrm_address_t *addr)
-{
- return __xfrm6_dst_hash(addr);
-}
-
-static __inline__
-unsigned xfrm_src_hash(xfrm_address_t *addr, unsigned short family)
-{
- switch (family) {
- case AF_INET:
- return __xfrm4_src_hash(addr);
- case AF_INET6:
- return __xfrm6_src_hash(addr);
- }
- return 0;
-}
-
-static __inline__
-unsigned __xfrm4_spi_hash(xfrm_address_t *addr, u32 spi, u8 proto)
-{
- unsigned h;
- h = ntohl(addr->a4^spi^proto);
- h = (h ^ (h>>10) ^ (h>>20)) % XFRM_DST_HSIZE;
- return h;
-}
-
-static __inline__
-unsigned __xfrm6_spi_hash(xfrm_address_t *addr, u32 spi, u8 proto)
-{
- unsigned h;
- h = ntohl(addr->a6[2]^addr->a6[3]^spi^proto);
- h = (h ^ (h>>10) ^ (h>>20)) % XFRM_DST_HSIZE;
- return h;
-}
-
-static __inline__
-unsigned xfrm_spi_hash(xfrm_address_t *addr, u32 spi, u8 proto, unsigned short family)
-{
- switch (family) {
- case AF_INET:
- return __xfrm4_spi_hash(addr, spi, proto);
- case AF_INET6:
- return __xfrm6_spi_hash(addr, spi, proto);
- }
- return 0; /*XXX*/
-}
-
extern void __xfrm_state_destroy(struct xfrm_state *);
static inline void __xfrm_state_put(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;
return 0;
if (pbi) {
- __u32 mask;
+ __be32 mask;
mask = htonl((0xffffffff) << (32 - pbi));
}
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:
}
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:
struct rt6_info rt6;
} u;
struct dst_entry *route;
+ u32 genid;
u32 route_mtu_cached;
u32 child_mtu_cached;
u32 route_cookie;
}
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)
{
return (tmpl->saddr.a4 &&
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);
}
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);
}
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,
+ int n, unsigned short family);
+extern 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)
+{
+ return -ENOSYS;
+}
+
+static inline int xfrm_state_sort(struct xfrm_state **dst, struct xfrm_state **src,
+ int n, unsigned short family)
+{
+ return -ENOSYS;
+}
+#endif
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);
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);
extern int xfrm6_tunnel_register(struct xfrm6_tunnel *handler);
extern int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler);
-extern u32 xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr);
+extern __be32 xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr);
extern void xfrm6_tunnel_free_spi(xfrm_address_t *saddr);
-extern u32 xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr);
+extern __be32 xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr);
extern int xfrm6_output(struct sk_buff *skb);
extern int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb,
u8 **prevhdr);
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);
extern void xfrm_policy_flush(u8 type);
extern int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol);
-extern int xfrm_flush_bundles(void);
-extern void xfrm_flush_all_bundles(void);
-extern int xfrm_bundle_ok(struct xfrm_dst *xdst, struct flowi *fl, int family, int strict);
+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);
extern wait_queue_head_t km_waitq;
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);
switch (family) {
default:
case AF_INET:
- return a->a4 - b->a4;
+ return (__force __u32)a->a4 - (__force __u32)b->a4;
case AF_INET6:
return ipv6_addr_cmp((struct in6_addr *)a,
(struct in6_addr *)b);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff