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

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:
Jonathan Lemon 1999-08-31 03:40:24 +00:00
parent 46d6c35550
commit ccb4d0c653
1 changed files with 35 additions and 10 deletions
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45
sys/netinet/tcp_timer.c
View File

@ -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,