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tcp: account SYN-ACK timeouts & retransmissions

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Currently we don't increment SYN-ACK timeouts & retransmissions
although we do increment the same stats for SYN. We seem to have lost
the SYN-ACK accounting with the introduction of tcp_syn_recv_timer
(commit 2248761e in the netdev-vger-cvs tree).

This patch fixes this issue. In the process we also rename the v4/v6
syn/ack retransmit functions for clarity. We also add a new
request_socket operations (syn_ack_timeout) so we can keep code in
inet_connection_sock.c protocol agnostic.

Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Octavian Purdila
2010-01-17 19:09:39 -08:00
committed by David S. Miller
parent 0ec00f0392
commit 72659ecce6
6 changed files with 32 additions and 10 deletions
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2
include/net/request_sock.h
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@ -45,6 +45,8 @@ struct request_sock_ops {
void (*send_reset)(struct sock *sk,
struct sk_buff *skb);
void (*destructor)(struct request_sock *req);
void (*syn_ack_timeout)(struct sock *sk,
struct request_sock *req);
};
/* struct request_sock - mini sock to represent a connection request