Hello Rui,

  RP> And you don't have /etc/rc.d/wpa_supplicant ?

tinman# cat /etc/rc.d/wpa_supplicant
#!/bin/sh
#
# $NetBSD: wpa_supplicant,v 1.1 2006/10/07 20:52:52 rpaulo Exp $
#

# PROVIDE: wpa_supplicant
# REQUIRE: network mountcritlocal
# BEFORE:  NETWORKING dhclient

$_rc_subr_loaded . /etc/rc.subr

name="wpa_supplicant"
rcvar=$name
command="/usr/sbin/wpa_supplicant"

load_rc_config $name
run_rc_command "$1"
tinman#

- Andy Ball