ipv6: Move ipv6 twsk accessors outside of CONFIG_IPV6 ifdefs.

Fixes build when ipv6 is disabled.

Reported-by: Fengguang Wu <wfg@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 8260ef7..bc6c8fd 100644 (file)
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -410,6 +410,22 @@ struct tcp6_sock {
 
 extern int inet6_sk_rebuild_header(struct sock *sk);
 
+struct inet6_timewait_sock {
+       struct in6_addr tw_v6_daddr;
+       struct in6_addr tw_v6_rcv_saddr;
+};
+
+struct tcp6_timewait_sock {
+       struct tcp_timewait_sock   tcp6tw_tcp;
+       struct inet6_timewait_sock tcp6tw_inet6;
+};
+
+static inline struct inet6_timewait_sock *inet6_twsk(const struct sock *sk)
+{
+       return (struct inet6_timewait_sock *)(((u8 *)sk) +
+                                             inet_twsk(sk)->tw_ipv6_offset);
+}
+
 #if IS_ENABLED(CONFIG_IPV6)
 static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk)
 {
@@ -459,28 +475,12 @@ 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))
 
-struct inet6_timewait_sock {
-       struct in6_addr tw_v6_daddr;
-       struct in6_addr tw_v6_rcv_saddr;
-};
-
-struct tcp6_timewait_sock {
-       struct tcp_timewait_sock   tcp6tw_tcp;
-       struct inet6_timewait_sock tcp6tw_inet6;
-};
-
 static inline u16 inet6_tw_offset(const struct proto *prot)
 {
        return prot->twsk_prot->twsk_obj_size -
                        sizeof(struct inet6_timewait_sock);
 }
 
-static inline struct inet6_timewait_sock *inet6_twsk(const struct sock *sk)
-{
-       return (struct inet6_timewait_sock *)(((u8 *)sk) +
-                                             inet_twsk(sk)->tw_ipv6_offset);
-}
-
 static inline struct in6_addr *__inet6_rcv_saddr(const struct sock *sk)
 {
        return likely(sk->sk_state != TCP_TIME_WAIT) ?