diff options
author | Jan Kiszka <jan.kiszka@siemens.com> | 2009-06-24 14:42:29 +0200 |
---|---|---|
committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-06-29 08:52:46 -0500 |
commit | d89b93db4f609ff4a4728465fe9066b1027bf077 (patch) | |
tree | 56059827a90fbbefac6388842404a43454b44d83 /tcp_timer.c | |
parent | dfae34b4a7c99e25a3deb4c9ca51ea41ffa974c9 (diff) | |
download | slirp-d89b93db4f609ff4a4728465fe9066b1027bf077.zip slirp-d89b93db4f609ff4a4728465fe9066b1027bf077.tar.gz slirp-d89b93db4f609ff4a4728465fe9066b1027bf077.tar.bz2 |
slirp: Drop dead code
After all its years inside the qemu tree, there is no point in keeping
the dead code paths of slirp. This patch is a first round of removing
usually commented out code parts. More cleanups need to follow (and
maybe finally a proper reindention).
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'tcp_timer.c')
-rw-r--r-- | tcp_timer.c | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/tcp_timer.c b/tcp_timer.c index 8942ca4..8044172 100644 --- a/tcp_timer.c +++ b/tcp_timer.c @@ -99,10 +99,6 @@ void tcp_slowtimo(void) tpgone:; } tcp_iss += TCP_ISSINCR / PR_SLOWHZ; /* increment iss */ -#ifdef TCP_COMPAT_42 - if ((int)tcp_iss < 0) - tcp_iss = 0; /* XXX */ -#endif tcp_now++; /* for timestamps */ } @@ -203,7 +199,6 @@ static struct tcpcb *tcp_timers(register struct tcpcb *tp, int timer) * retransmit times until then. */ if (tp->t_rxtshift > TCP_MAXRXTSHIFT / 4) { - /* in_losing(tp->t_inpcb); */ tp->t_rttvar += (tp->t_srtt >> TCP_RTT_SHIFT); tp->t_srtt = 0; } @@ -268,7 +263,6 @@ static struct tcpcb *tcp_timers(register struct tcpcb *tp, int timer) if (tp->t_state < TCPS_ESTABLISHED) goto dropit; - /* if (tp->t_socket->so_options & SO_KEEPALIVE && */ if ((SO_OPTIONS) && tp->t_state <= TCPS_CLOSE_WAIT) { if (tp->t_idle >= TCPTV_KEEP_IDLE + TCP_MAXIDLE) goto dropit; @@ -285,17 +279,8 @@ static struct tcpcb *tcp_timers(register struct tcpcb *tp, int timer) * correspondent TCP to respond. */ STAT(tcpstat.tcps_keepprobe++); -#ifdef TCP_COMPAT_42 - /* - * The keepalive packet must have nonzero length - * to get a 4.2 host to respond. - */ - tcp_respond(tp, &tp->t_template, (struct mbuf *)NULL, - tp->rcv_nxt - 1, tp->snd_una - 1, 0); -#else tcp_respond(tp, &tp->t_template, (struct mbuf *)NULL, tp->rcv_nxt, tp->snd_una - 1, 0); -#endif tp->t_timer[TCPT_KEEP] = TCPTV_KEEPINTVL; } else tp->t_timer[TCPT_KEEP] = TCPTV_KEEP_IDLE; @@ -303,7 +288,7 @@ static struct tcpcb *tcp_timers(register struct tcpcb *tp, int timer) dropit: STAT(tcpstat.tcps_keepdrops++); - tp = tcp_drop(tp, 0); /* ETIMEDOUT); */ + tp = tcp_drop(tp, 0); break; } |