"Close Wait","Last ACK","Listen","Closing"
};
#endif
-
-static inline void tcp_set_state(struct sock *sk, int state)
-{
- int oldstate = sk->sk_state;
-
- switch (state) {
- case TCP_ESTABLISHED:
- if (oldstate != TCP_ESTABLISHED)
- TCP_INC_STATS(TCP_MIB_CURRESTAB);
- break;
-
- case TCP_CLOSE:
- if (oldstate == TCP_CLOSE_WAIT || oldstate == TCP_ESTABLISHED)
- TCP_INC_STATS(TCP_MIB_ESTABRESETS);
-
- sk->sk_prot->unhash(sk);
- if (inet_csk(sk)->icsk_bind_hash &&
- !(sk->sk_userlocks & SOCK_BINDPORT_LOCK))
- inet_put_port(&tcp_hashinfo, sk);
- /* fall through */
- default:
- if (oldstate==TCP_ESTABLISHED)
- TCP_DEC_STATS(TCP_MIB_CURRESTAB);
- }
-
- /* Change state AFTER socket is unhashed to avoid closed
- * socket sitting in hash tables.
- */
- sk->sk_state = state;
-
-#ifdef STATE_TRACE
- SOCK_DEBUG(sk, "TCP sk=%p, State %s -> %s\n",sk, statename[oldstate],statename[state]);
-#endif
-}
+extern void tcp_set_state(struct sock *sk, int state);
extern void tcp_done(struct sock *sk);
goto out;
}
+void tcp_set_state(struct sock *sk, int state)
+{
+ int oldstate = sk->sk_state;
+
+ switch (state) {
+ case TCP_ESTABLISHED:
+ if (oldstate != TCP_ESTABLISHED)
+ TCP_INC_STATS(TCP_MIB_CURRESTAB);
+ break;
+
+ case TCP_CLOSE:
+ if (oldstate == TCP_CLOSE_WAIT || oldstate == TCP_ESTABLISHED)
+ TCP_INC_STATS(TCP_MIB_ESTABRESETS);
+
+ sk->sk_prot->unhash(sk);
+ if (inet_csk(sk)->icsk_bind_hash &&
+ !(sk->sk_userlocks & SOCK_BINDPORT_LOCK))
+ inet_put_port(&tcp_hashinfo, sk);
+ /* fall through */
+ default:
+ if (oldstate==TCP_ESTABLISHED)
+ TCP_DEC_STATS(TCP_MIB_CURRESTAB);
+ }
+
+ /* Change state AFTER socket is unhashed to avoid closed
+ * socket sitting in hash tables.
+ */
+ sk->sk_state = state;
+
+#ifdef STATE_TRACE
+ SOCK_DEBUG(sk, "TCP sk=%p, State %s -> %s\n",sk, statename[oldstate],statename[state]);
+#endif
+}
+EXPORT_SYMBOL_GPL(tcp_set_state);
+
/*
* State processing on a close. This implements the state shift for
* sending our FIN frame. Note that we only send a FIN for some