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;
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_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;
/* Source address of tunnel. Ignored, if it is not a tunnel. */
xfrm_address_t saddr;
+ unsigned short encap_family;
+
__u32 reqid;
/* Mode: transport, tunnel etc. */
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;
atomic_t refcnt;
struct timer_list timer;
- u8 type;
u32 priority;
u32 index;
struct xfrm_selector selector;
struct xfrm_lifetime_cfg lft;
struct xfrm_lifetime_cur curlft;
struct dst_entry *bundles;
- __u16 family;
- __u8 action;
- __u8 flags;
- __u8 dead;
- __u8 xfrm_nr;
+ u16 family;
+ u8 type;
+ u8 action;
+ u8 flags;
+ u8 dead;
+ u8 xfrm_nr;
+ /* XXX 1 byte hole, try to pack */
struct xfrm_sec_ctx *security;
struct xfrm_tmpl xfrm_vec[XFRM_MAX_DEPTH];
};
int (*notify)(struct xfrm_state *x, struct km_event *c);
int (*acquire)(struct xfrm_state *x, struct xfrm_tmpl *, struct xfrm_policy *xp, int dir);
struct xfrm_policy *(*compile_policy)(struct sock *sk, int opt, u8 *data, int len, int *dir);
- int (*new_mapping)(struct xfrm_state *x, xfrm_address_t *ipaddr, u16 sport);
+ int (*new_mapping)(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport);
int (*notify_policy)(struct xfrm_policy *x, int dir, struct km_event *c);
int (*report)(u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
};
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)
{
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:
+ case IPPROTO_UDPLITE:
case IPPROTO_SCTP:
port = fl->fl_ip_sport;
break;
}
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:
+ case IPPROTO_UDPLITE:
case IPPROTO_SCTP:
port = fl->fl_ip_dport;
break;
return port;
}
-static inline int
-__xfrm4_selector_match(struct xfrm_selector *sel, struct flowi *fl)
-{
- return addr_match(&fl->fl4_dst, &sel->daddr, sel->prefixlen_d) &&
- addr_match(&fl->fl4_src, &sel->saddr, sel->prefixlen_s) &&
- !((xfrm_flowi_dport(fl) ^ sel->dport) & sel->dport_mask) &&
- !((xfrm_flowi_sport(fl) ^ sel->sport) & sel->sport_mask) &&
- (fl->proto == sel->proto || !sel->proto) &&
- (fl->oif == sel->ifindex || !sel->ifindex);
-}
-
-static inline int
-__xfrm6_selector_match(struct xfrm_selector *sel, struct flowi *fl)
-{
- return addr_match(&fl->fl6_dst, &sel->daddr, sel->prefixlen_d) &&
- addr_match(&fl->fl6_src, &sel->saddr, sel->prefixlen_s) &&
- !((xfrm_flowi_dport(fl) ^ sel->dport) & sel->dport_mask) &&
- !((xfrm_flowi_sport(fl) ^ sel->sport) & sel->sport_mask) &&
- (fl->proto == sel->proto || !sel->proto) &&
- (fl->oif == sel->ifindex || !sel->ifindex);
-}
-
-static inline int
-xfrm_selector_match(struct xfrm_selector *sel, struct flowi *fl,
- unsigned short family)
-{
- switch (family) {
- case AF_INET:
- return __xfrm4_selector_match(sel, fl);
- case AF_INET6:
- return __xfrm6_selector_match(sel, fl);
- }
- return 0;
-}
+extern int xfrm_selector_match(struct xfrm_selector *sel, struct flowi *fl,
+ unsigned short family);
#ifdef CONFIG_SECURITY_NETWORK_XFRM
/* If neither has a context --> match
struct rt6_info rt6;
} u;
struct dst_entry *route;
+ u32 genid;
u32 route_mtu_cached;
u32 child_mtu_cached;
u32 route_cookie;
#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)
{
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);
}
struct xfrm6_tunnel {
int (*handler)(struct sk_buff *skb);
int (*err_handler)(struct sk_buff *skb, struct inet6_skb_parm *opt,
- int type, int code, int offset, __u32 info);
-
+ int type, int code, int offset, __be32 info);
struct xfrm6_tunnel *next;
int priority;
};
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,
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_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, u16 sport);
+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 pid);
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);