From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Tue, 24 Jun 2008 10:38:00 +0000 (+0300)
Subject: mac80211: add last beacon time in scan list
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=bf998f686430107fb8790ef6713f8e352a3deede;p=openwrt%2Fstaging%2Fblogic.git

mac80211: add last beacon time in scan list

This patch adds the interval between the scan results and the last time a
beacon was received in the result of the scan.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index c9f7c13d2e7e..cffef44cec05 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -4340,6 +4340,13 @@ ieee80211_sta_scan_result(struct net_device *dev,
 			current_ev = iwe_stream_add_point(info, current_ev,
 							  end_buf,
 							  &iwe, buf);
+			memset(&iwe, 0, sizeof(iwe));
+			iwe.cmd = IWEVCUSTOM;
+			sprintf(buf, " Last beacon: %dms ago",
+				jiffies_to_msecs(jiffies - bss->last_update));
+			iwe.u.data.length = strlen(buf);
+			current_ev = iwe_stream_add_point(info, current_ev,
+							  end_buf, &iwe, buf);
 			kfree(buf);
 		}
 	}