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Diffstat (limited to 'include/linux/ipv6.h')
-rw-r--r--include/linux/ipv6.h52
1 files changed, 49 insertions, 3 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 6fcd6a0ade24..3c7dbc6a0a70 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -193,6 +193,11 @@ struct inet6_skb_parm {
#define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb))
+static inline int inet6_iif(const struct sk_buff *skb)
+{
+ return IP6CB(skb)->iif;
+}
+
struct tcp6_request_sock {
struct tcp_request_sock req;
struct in6_addr loc_addr;
@@ -308,6 +313,36 @@ static inline void inet_sk_copy_descendant(struct sock *sk_to,
#define __ipv6_only_sock(sk) (inet6_sk(sk)->ipv6only)
#define ipv6_only_sock(sk) ((sk)->sk_family == PF_INET6 && __ipv6_only_sock(sk))
+
+#include <linux/tcp.h>
+
+struct tcp6_timewait_sock {
+ struct tcp_timewait_sock tw_v6_sk;
+ struct in6_addr tw_v6_daddr;
+ struct in6_addr tw_v6_rcv_saddr;
+};
+
+static inline struct tcp6_timewait_sock *tcp6_twsk(const struct sock *sk)
+{
+ return (struct tcp6_timewait_sock *)sk;
+}
+
+static inline struct in6_addr *__tcp_v6_rcv_saddr(const struct sock *sk)
+{
+ return likely(sk->sk_state != TCP_TIME_WAIT) ?
+ &inet6_sk(sk)->rcv_saddr : &tcp6_twsk(sk)->tw_v6_rcv_saddr;
+}
+
+static inline struct in6_addr *tcp_v6_rcv_saddr(const struct sock *sk)
+{
+ return sk->sk_family == AF_INET6 ? __tcp_v6_rcv_saddr(sk) : NULL;
+}
+
+static inline int inet_v6_ipv6only(const struct sock *sk)
+{
+ return likely(sk->sk_state != TCP_TIME_WAIT) ?
+ ipv6_only_sock(sk) : inet_twsk(sk)->tw_ipv6only;
+}
#else
#define __ipv6_only_sock(sk) 0
#define ipv6_only_sock(sk) 0
@@ -322,8 +357,19 @@ static inline struct raw6_sock *raw6_sk(const struct sock *sk)
return NULL;
}
-#endif
+#define __tcp_v6_rcv_saddr(__sk) NULL
+#define tcp_v6_rcv_saddr(__sk) NULL
+#define tcp_twsk_ipv6only(__sk) 0
+#define inet_v6_ipv6only(__sk) 0
+#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
-#endif
+#define INET6_MATCH(__sk, __saddr, __daddr, __ports, __dif) \
+ (((*((__u32 *)&(inet_sk(__sk)->dport))) == (__ports)) && \
+ ((__sk)->sk_family == AF_INET6) && \
+ ipv6_addr_equal(&inet6_sk(__sk)->daddr, (__saddr)) && \
+ ipv6_addr_equal(&inet6_sk(__sk)->rcv_saddr, (__daddr)) && \
+ (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif))))
-#endif
+#endif /* __KERNEL__ */
+
+#endif /* _IPV6_H */