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tcp: add LAST_ACK as a valid state for TSQ

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Socket state LAST_ACK should allow TSQ to send additional frames,
or else we rely on incoming ACKS or timers to send them.

Reported-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Matt Mathis <mattmathis@google.com>
Cc: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2012-07-12 22:46:09 +00:00 committed by David S. Miller
parent 02eca3f5f5
commit d01cb20711
1 changed files with 2 additions and 2 deletions
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4
net/ipv4/tcp_output.c
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@ -838,7 +838,7 @@ static void tcp_tasklet_func(unsigned long data)
if (!sock_owned_by_user(sk)) {
if ((1 << sk->sk_state) &
(TCPF_ESTABLISHED | TCPF_FIN_WAIT1 |
TCPF_CLOSING | TCPF_CLOSE_WAIT))
TCPF_CLOSING | TCPF_CLOSE_WAIT | TCPF_LAST_ACK))
tcp_write_xmit(sk,
tcp_current_mss(sk),
0, 0,
@ -868,7 +868,7 @@ void tcp_release_cb(struct sock *sk)
if (test_and_clear_bit(TSQ_OWNED, &tp->tsq_flags)) {
if ((1 << sk->sk_state) &
(TCPF_ESTABLISHED | TCPF_FIN_WAIT1 |
TCPF_CLOSING | TCPF_CLOSE_WAIT))
TCPF_CLOSING | TCPF_CLOSE_WAIT | TCPF_LAST_ACK))
tcp_write_xmit(sk,
tcp_current_mss(sk),
0, 0,