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slirp: Drop dead code

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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>
This commit is contained in:
Jan Kiszka 2009-06-24 14:42:29 +02:00 • committed by Anthony Liguori
parent 6dbe553fe9
commit 0d62c4cfe2
26 changed files with 22 additions and 1650 deletions
Download patch file Download diff file Expand all files Collapse all files

17
slirp/tcp_timer.c
View file

@ -102,10 +102,6 @@ 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 */
}
@ -210,7 +206,6 @@ 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;
}
@ -275,7 +270,6 @@ 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;
@ -292,17 +286,8 @@ 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;
@ -310,7 +295,7 @@ 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;
}