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From: Sam Leffler <sam@FreeBSD.org>
Date: Thu, 5 Feb 2009 23:15:40 +0000 (UTC)
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Subject: svn commit: r188210 - head/tools/tools/net80211/wlanstats
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Author: sam
Date: Thu Feb  5 23:15:39 2009
New Revision: 188210
URL: http://svn.freebsd.org/changeset/base/188210

Log:
  for adhoc and ahdemo modes try to find the "bss node": use the bssid
  unless it's not setup or zero's; this may not work as the bssid of
  the ibss isn't certain to the "right mac address" but for many cases
  it is

Modified:
  head/tools/tools/net80211/wlanstats/wlanstats.c

Modified: head/tools/tools/net80211/wlanstats/wlanstats.c
==============================================================================
--- head/tools/tools/net80211/wlanstats/wlanstats.c	Thu Feb  5 23:01:36 2009	(r188209)
+++ head/tools/tools/net80211/wlanstats/wlanstats.c	Thu Feb  5 23:15:39 2009	(r188210)
@@ -437,15 +437,24 @@ getbssid(struct wlanstatfoo_p *wf)
 static void
 wlan_setstamac(struct wlanstatfoo *wf0, const uint8_t *mac)
 {
+	static const uint8_t zeromac[IEEE80211_ADDR_LEN];
 	struct wlanstatfoo_p *wf = (struct wlanstatfoo_p *) wf0;
 
 	if (mac == NULL) {
 		switch (wlan_getopmode(wf0)) {
 		case IEEE80211_M_HOSTAP:
 		case IEEE80211_M_MONITOR:
+			getlladdr(wf);
+			break;
 		case IEEE80211_M_IBSS:
 		case IEEE80211_M_AHDEMO:
-			getlladdr(wf);
+			/*
+			 * NB: this may not work in which case the
+			 * mac must be specified on the command line
+			 */
+			if (getbssid(wf) < 0 ||
+			    IEEE80211_ADDR_EQ(wf->mac, zeromac))
+				getlladdr(wf);
 			break;
 		case IEEE80211_M_STA:
 			if (getbssid(wf) < 0)