[PATCH] tcp: Remove unused tcpct declarations and comments

Dmitry Popov
2013-07-31T09:39:45Z

Remove declaration, 4 defines and confusing comment that are no longer used
since 1a2c6181c4 ("tcp: Remove TCPCT").

Signed-off-by: Dmitry Popov <dp@highloadlab.com>
---
include/linux/tcp.h | 1 -
include/net/tcp.h | 4 ----
net/ipv4/tcp.c | 4 ----
3 files changed, 9 deletions(-)

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 472120b..b7e01bc 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -107,7 +107,6 @@ static inline void tcp_clear_options(struct tcp_options_received *rx_opt)
* only four options will fit in a standard TCP header */
#define TCP_NUM_SACKS 4

-struct tcp_cookie_values;
struct tcp_request_sock_ops;

struct tcp_request_sock {
diff --git a/include/net/tcp.h b/include/net/tcp.h
index d198005..fa6893c 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -192,10 +192,6 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
#define TCPOLEN_TIMESTAMP 10
#define TCPOLEN_MD5SIG 18
#define TCPOLEN_EXP_FASTOPEN_BASE 4
-#define TCPOLEN_COOKIE_BASE 2 /* Cookie-less header extension */
-#define TCPOLEN_COOKIE_PAIR 3 /* Cookie pair header extension */
-#define TCPOLEN_COOKIE_MIN (TCPOLEN_COOKIE_BASE+TCP_COOKIE_MIN)
-#define TCPOLEN_COOKIE_MAX (TCPOLEN_COOKIE_BASE+TCP_COOKIE_MAX)

/* But this is what stacks really send out. */
#define TCPOLEN_TSTAMP_ALIGNED 12
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 5423223..077abde 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -410,10 +410,6 @@ void tcp_init_sock(struct sock *sk)

icsk->icsk_sync_mss = tcp_sync_mss;

- /* Presumed zeroed, in order of appearance:
- * cookie_in_always, cookie_out_never,
- * s_data_constant, s_data_in, s_data_out
- */
sk->sk_sndbuf = sysctl_tcp_wmem[1];
sk->sk_rcvbuf = sysctl_tcp_rmem[1];