From df19a6267705456f463871ae2aabc44299909d2a Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Fri, 28 Aug 2009 23:48:54 -0700 Subject: tcp: keepalive cleanups Introduce keepalive_probes(tp) helper, and use it, like keepalive_time_when(tp) and keepalive_intvl_when(tp) Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/ipv4/tcp.c | 6 +++--- net/ipv4/tcp_timer.c | 3 +-- 2 files changed, 4 insertions(+), 5 deletions(-) (limited to 'net') diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 91145244ea6..59f69a6c586 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -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; diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index b144a26359b..c520fb6e06d 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -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; -- cgit v1.2.3