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Add a SYSCTL_PROC so that TCP timer values are now expressed to

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the user in ms, while they are stored internally as ticks. Note
that there probably are rounding bogons here, especially on the
alpha.
This commit is contained in:
jlemon 1999-08-31 03:40:24 +00:00
parent 77c1708f37
commit 866179e5d6
1 changed files with 35 additions and 10 deletions
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45
sys/netinet/tcp_timer.c
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@ -63,25 +63,50 @@
#include <netinet/tcp_debug.h>
#endif
static int
sysctl_msec_to_ticks SYSCTL_HANDLER_ARGS
{
int error, s, tt;
tt = *(int *)oidp->oid_arg1;
s = tt * 1000 / hz;
error = SYSCTL_OUT(req, &s, sizeof(int));
if (error || !req->newptr)
return (error);
error = SYSCTL_IN(req, &s, sizeof(int));
if (error)
return (error);
tt = s * hz / 1000;
if (tt == 0 && s > 0)
tt++;
*(int *)oidp->oid_arg1 = tt;
return (0);
}
int tcp_keepinit;
SYSCTL_INT(_net_inet_tcp, TCPCTL_KEEPINIT, keepinit,
CTLFLAG_RW, &tcp_keepinit , 0, "");
SYSCTL_PROC(_net_inet_tcp, TCPCTL_KEEPINIT, keepinit, CTLTYPE_INT|CTLFLAG_RW,
&tcp_keepinit, 0, sysctl_msec_to_ticks, "I", "");
int tcp_keepidle;
SYSCTL_INT(_net_inet_tcp, TCPCTL_KEEPIDLE, keepidle,
CTLFLAG_RW, &tcp_keepidle , 0, "");
SYSCTL_PROC(_net_inet_tcp, TCPCTL_KEEPIDLE, keepidle, CTLTYPE_INT|CTLFLAG_RW,
&tcp_keepidle, 0, sysctl_msec_to_ticks, "I", "");
int tcp_keepintvl;
SYSCTL_INT(_net_inet_tcp, TCPCTL_KEEPINTVL, keepintvl,
CTLFLAG_RW, &tcp_keepintvl , 0, "");
SYSCTL_PROC(_net_inet_tcp, TCPCTL_KEEPINTVL, keepintvl, CTLTYPE_INT|CTLFLAG_RW,
&tcp_keepintvl, 0, sysctl_msec_to_ticks, "I", "");
int tcp_delacktime;
SYSCTL_INT(_net_inet_tcp, TCPCTL_DELACKTIME, delacktime, CTLFLAG_RW,
&tcp_delacktime, 0, "Time before a delayed ACK is sent");
SYSCTL_PROC(_net_inet_tcp, TCPCTL_DELACKTIME, delacktime,
CTLTYPE_INT|CTLFLAG_RW, &tcp_delacktime, 0, sysctl_msec_to_ticks, "I",
"Time before a delayed ACK is sent");
int tcp_msl;
SYSCTL_INT(_net_inet_tcp, OID_AUTO, msl, CTLFLAG_RW,
&tcp_msl, 0, "Maximum segment lifetime");
SYSCTL_PROC(_net_inet_tcp, OID_AUTO, msl, CTLTYPE_INT|CTLFLAG_RW,
&tcp_msl, 0, sysctl_msec_to_ticks, "I", "Maximum segment lifetime");
static int always_keepalive = 0;
SYSCTL_INT(_net_inet_tcp, OID_AUTO, always_keepalive, CTLFLAG_RW,