[TCP]: Move the tcp sock states to net/tcp_states.h

Lots of places just needs the states, not even linux/tcp.h, where this
enum was, needs it.

This speeds up development of the refactorings as less sources are
rebuilt when things get moved from net/tcp.h.

Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 files changed, 39 insertions, 4 deletions

diff --git a/include/net/dn.h b/include/net/dn.h
index 5551c46db397..c1dbbd222793 100644
--- a/include/net/dn.h
+++ b/include/net/dn.h
@@ -3,6 +3,7 @@
 
 #include <linux/dn.h>
 #include <net/sock.h>
+#include <net/tcp.h>
 #include <asm/byteorder.h>
 
 typedef unsigned short dn_address;
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index f5d65121f7b7..c816708fa556 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -19,11 +19,11 @@
 #include <linux/list.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
-#include <linux/tcp.h>          /* only for TCP_LISTEN, damn :-( */
 #include <linux/types.h>
 #include <linux/wait.h>
 
 #include <net/sock.h>
+#include <net/tcp_states.h>
 
 #include <asm/atomic.h>
 
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index f920706d526b..1f2e428ca364 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -12,7 +12,6 @@
 #include <net/flow.h>
 #include <net/ip6_fib.h>
 #include <net/sock.h>
-#include <linux/tcp.h>
 #include <linux/ip.h>
 #include <linux/ipv6.h>
 
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 52da5d26617a..7a3c43711a17 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -255,7 +255,6 @@ struct ip_vs_daemon_user {
 #include <asm/atomic.h>                 /* for struct atomic_t */
 #include <linux/netdevice.h>            /* for struct neighbour */
 #include <net/dst.h>                    /* for struct dst_entry */
-#include <net/tcp.h>
 #include <net/udp.h>
 #include <linux/compiler.h>
 
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index 5999e5684bbf..c51541ee0247 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -47,10 +47,10 @@
 #ifndef __sctp_constants_h__
 #define __sctp_constants_h__
 
-#include <linux/tcp.h>  /* For TCP states used in sctp_sock_state_t */
 #include <linux/sctp.h>
 #include <linux/ipv6.h> /* For ipv6hdr. */
 #include <net/sctp/user.h>
+#include <net/tcp_states.h>  /* For TCP states used in sctp_sock_state_t */
 
 /* Value used for stream negotiation. */
 enum { SCTP_MAX_STREAM = 0xffff };
diff --git a/include/net/tcp.h b/include/net/tcp.h
index bc110cc7022b..9d026d81d8c8 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -36,6 +36,8 @@
 #include <net/sock.h>
 #include <net/snmp.h>
 #include <net/ip.h>
+#include <net/tcp_states.h>
+
 #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
 #include <linux/ipv6.h>
 #endif
diff --git a/include/net/tcp_states.h b/include/net/tcp_states.h
new file mode 100644
index 000000000000..b9d4176b2d15
--- /dev/null
+++ b/include/net/tcp_states.h
@@ -0,0 +1,34 @@
+/*
+ * INET         An implementation of the TCP/IP protocol suite for the LINUX
+ *              operating system.  INET is implemented using the  BSD Socket
+ *              interface as the means of communication with the user level.
+ *
+ *              Definitions for the TCP protocol sk_state field.
+ *
+ *              This program is free software; you can redistribute it and/or
+ *              modify it under the terms of the GNU General Public License
+ *              as published by the Free Software Foundation; either version
+ *              2 of the License, or (at your option) any later version.
+ */
+#ifndef _LINUX_TCP_STATES_H
+#define _LINUX_TCP_STATES_H
+
+enum {
+        TCP_ESTABLISHED = 1,
+        TCP_SYN_SENT,
+        TCP_SYN_RECV,
+        TCP_FIN_WAIT1,
+        TCP_FIN_WAIT2,
+        TCP_TIME_WAIT,
+        TCP_CLOSE,
+        TCP_CLOSE_WAIT,
+        TCP_LAST_ACK,
+        TCP_LISTEN,
+        TCP_CLOSING,    /* Now a valid state */
+
+        TCP_MAX_STATES  /* Leave at the end! */
+};
+
+#define TCP_STATE_MASK  0xF
+
+#endif  /* _LINUX_TCP_STATES_H */