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net-tcp: Fast Open client - cookie cache

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With help from Eric Dumazet, add Fast Open metrics in tcp metrics cache.
The basic ones are MSS and the cookies. Later patch will cache more to
handle unfriendly middleboxes.

Signed-off-by: Yuchung Cheng <[email protected]>
Acked-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Yuchung Cheng 2012-07-19 06:43:06 +00:00 • committed by David S. Miller
commit 1fe4c481ba
2 changed files with 55 additions and 0 deletions
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4
include/net/tcp.h
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@ -405,6 +405,10 @@ extern void tcp_metrics_init(void);
extern bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst, bool paws_check);
extern bool tcp_remember_stamp(struct sock *sk);
extern bool tcp_tw_remember_stamp(struct inet_timewait_sock *tw);
extern void tcp_fastopen_cache_get(struct sock *sk, u16 *mss,
struct tcp_fastopen_cookie *cookie);
extern void tcp_fastopen_cache_set(struct sock *sk, u16 mss,
struct tcp_fastopen_cookie *cookie);
extern void tcp_fetch_timewait_stamp(struct sock *sk, struct dst_entry *dst);
extern void tcp_disable_fack(struct tcp_sock *tp);
extern void tcp_close(struct sock *sk, long timeout);