sysctl_msec_to_ticks
CTLTYPE_INT | CTLFLAG_RW, &tcp_delacktime, 0, sysctl_msec_to_ticks, "I",
&VNET_NAME(tcp_msl), 0, sysctl_msec_to_ticks, "I",
&VNET_NAME(tcp_msl_local), 0, sysctl_msec_to_ticks, "I",
&tcp_rexmit_initial, 0, sysctl_msec_to_ticks, "I",
&tcp_rexmit_min, 0, sysctl_msec_to_ticks, "I",
&tcp_rexmit_max, 0, sysctl_msec_to_ticks, "I",
&tcp_rexmit_slop, 0, sysctl_msec_to_ticks, "I",
&tcp_finwait2_timeout, 0, sysctl_msec_to_ticks, "I",
&tcp_maxunacktime, 0, sysctl_msec_to_ticks, "I",
&tcp_persmin, 0, sysctl_msec_to_ticks, "I",
&tcp_persmax, 0, sysctl_msec_to_ticks, "I",
&tcp_keepinit, 0, sysctl_msec_to_ticks, "I",
&tcp_keepidle, 0, sysctl_msec_to_ticks, "I",
CTLTYPE_INT | CTLFLAG_RW, &tcp_keepintvl, 0, sysctl_msec_to_ticks, "I",
int sysctl_msec_to_ticks(SYSCTL_HANDLER_ARGS);