[NET]: Supporting UDP-Lite (RFC 3828) in Linux

[net-next-2.6.git] / include / net / xfrm.h

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 1e2a4ddec96e3c7cfdf8e5ef2010d234c0673821..3878a88ff61838e44440a9ebadd4d8c37d23b2a0 100644 (file)
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -379,7 +379,7 @@ struct xfrm_mgr
        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);
 };
@@ -468,6 +468,7 @@ __be16 xfrm_flowi_sport(struct flowi *fl)
        switch(fl->proto) {
        case IPPROTO_TCP:
        case IPPROTO_UDP:
+       case IPPROTO_UDPLITE:
        case IPPROTO_SCTP:
                port = fl->fl_ip_sport;
                break;
@@ -493,6 +494,7 @@ __be16 xfrm_flowi_dport(struct flowi *fl)
        switch(fl->proto) {
        case IPPROTO_TCP:
        case IPPROTO_UDP:
+       case IPPROTO_UDPLITE:
        case IPPROTO_SCTP:
                port = fl->fl_ip_dport;
                break;
@@ -506,40 +508,8 @@ __be16 xfrm_flowi_dport(struct flowi *fl)
        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
@@ -887,8 +857,7 @@ struct xfrm_tunnel {
 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;
 };
@@ -951,9 +920,9 @@ 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);
@@ -995,11 +964,12 @@ struct xfrm_state * xfrm_find_acq(u8 mode, u32 reqid, u8 proto,
                                  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_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);
 
@@ -1032,7 +1002,7 @@ static inline int xfrm_addr_cmp(xfrm_address_t *a, xfrm_address_t *b,
        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);