svn commit: r250727 - stable/9/usr.sbin/wpa/wpa_supplicant

[Eitan Adler]

Author: eadler
Date: Fri May 17 00:14:36 2013
New Revision: 250727
URL: http://svnweb.freebsd.org/changeset/base/250727

Log:
  MFC r250528:
  	Teach wpa_supplicant to properly compute wireless signal strength.
  
  PR:		bin/170631

Modified:
  stable/9/usr.sbin/wpa/wpa_supplicant/driver_freebsd.c
Directory Properties:
  stable/9/usr.sbin/wpa/   (props changed)
  stable/9/usr.sbin/wpa/wpa_supplicant/   (props changed)

Modified: stable/9/usr.sbin/wpa/wpa_supplicant/driver_freebsd.c
==============================================================================
--- stable/9/usr.sbin/wpa/wpa_supplicant/driver_freebsd.c	Thu May 16 23:30:11 2013	(r250726)
+++ stable/9/usr.sbin/wpa/wpa_supplicant/driver_freebsd.c	Fri May 17 00:14:36 2013	(r250727)
@@ -693,6 +693,11 @@ wpa_driver_bsd_add_scan_entry(struct wpa
         result->caps = sr->isr_capinfo;
         result->qual = sr->isr_rssi;
         result->noise = sr->isr_noise;
+        /*
+         * the rssi value reported by the kernel is in 0.5dB steps relative to
+         * the reported noise floor. see ieee80211_node.h for details.
+         */
+        result->level = sr->isr_rssi / 2 + sr->isr_noise;
 
         pos = (u8 *)(result + 1);