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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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6
net/ipv4/tcp.c
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@@ -2336,13 +2336,13 @@ static int do_tcp_getsockopt(struct sock *sk, int level,
val = !!(tp->nonagle&TCP_NAGLE_CORK);
break;
case TCP_KEEPIDLE:
val = (tp->keepalive_time ? : sysctl_tcp_keepalive_time) / HZ;
val = keepalive_time_when(tp) / HZ;
break;
case TCP_KEEPINTVL:
val = (tp->keepalive_intvl ? : sysctl_tcp_keepalive_intvl) / HZ;
val = keepalive_intvl_when(tp) / HZ;
break;
case TCP_KEEPCNT:
val = tp->keepalive_probes ? : sysctl_tcp_keepalive_probes;
val = keepalive_probes(tp);
break;
case TCP_SYNCNT:
val = icsk->icsk_syn_retries ? : sysctl_tcp_syn_retries;