From: Rui Paulo <rpaulo@FreeBSD.org>
Date: Wed, 7 Aug 2013 07:57:51 +0000 (+0300)
Subject: bsd: Compute the RSSI level
X-Git-Tag: aosp-kk-from-upstream~97
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=89f4690005814cb2ce0aa5e40a1a6b92ee764fcd;p=thirdparty%2Fhostap.git

bsd: Compute the RSSI level

Signed-hostap: Rui Paulo <rpaulo@FreeBSD.org>
---

diff --git a/src/drivers/driver_bsd.c b/src/drivers/driver_bsd.c
index baf7ae8f1..4dd611ae7 100644
--- a/src/drivers/driver_bsd.c
+++ b/src/drivers/driver_bsd.c
@@ -1336,6 +1336,11 @@ wpa_driver_bsd_add_scan_entry(struct wpa_scan_results *res,
 	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);