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tcp: keepalive cleanups

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Introduce keepalive_probes(tp) helper, and use it, like 
keepalive_time_when(tp) and keepalive_intvl_when(tp)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2009-08-28 23:48:54 -07:00 • committed by David S. Miller
parent 5e9b2dbfcb
commit df19a62677
3 changed files with 9 additions and 5 deletions
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3
net/ipv4/tcp_timer.c
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@ -499,8 +499,7 @@ static void tcp_keepalive_timer (unsigned long data)
elapsed = tcp_time_stamp - tp->rcv_tstamp;
if (elapsed >= keepalive_time_when(tp)) {
if ((!tp->keepalive_probes && icsk->icsk_probes_out >= sysctl_tcp_keepalive_probes) ||
(tp->keepalive_probes && icsk->icsk_probes_out >= tp->keepalive_probes)) {
if (icsk->icsk_probes_out >= keepalive_probes(tp)) {
tcp_send_active_reset(sk, GFP_ATOMIC);
tcp_write_err(sk);
goto out;