PERFORCE change 136531 for review

Sam Leffler sam at FreeBSD.org
Fri Feb 29 23:35:34 UTC 2008


http://perforce.freebsd.org/chv.cgi?CH=136531

Change 136531 by sam at sam_ebb on 2008/02/29 23:35:12

	merge adhoc mode scan changes from HEAD (done differently)

Affected files ...

.. //depot/projects/vap/sys/net80211/ieee80211_scan_sta.c#19 edit

Differences ...

==== //depot/projects/vap/sys/net80211/ieee80211_scan_sta.c#19 (text+ko) ====

@@ -441,67 +441,12 @@
 #undef N
 }
 
-static const uint16_t rcl1[] =		/* 8 FCC channel: 52, 56, 60, 64, 36, 40, 44, 48 */
-{ 5260, 5280, 5300, 5320, 5180, 5200, 5220, 5240 };
-static const uint16_t rcl2[] =		/* 4 MKK channels: 34, 38, 42, 46 */
-{ 5170, 5190, 5210, 5230 };
-static const uint16_t rcl3[] =		/* 2.4Ghz ch: 1,6,11,7,13 */
-{ 2412, 2437, 2462, 2442, 2472 };
-static const uint16_t rcl4[] =		/* 5 FCC channel: 149, 153, 161, 165 */
-{ 5745, 5765, 5785, 5805, 5825 };
-static const uint16_t rcl7[] =		/* 11 ETSI channel: 100,104,108,112,116,120,124,128,132,136,140 */
-{ 5500, 5520, 5540, 5560, 5580, 5600, 5620, 5640, 5660, 5680, 5700 };
-static const uint16_t rcl8[] =		/* 2.4Ghz ch: 2,3,4,5,8,9,10,12 */
-{ 2417, 2422, 2427, 2432, 2447, 2452, 2457, 2467 };
-static const uint16_t rcl9[] =		/* 2.4Ghz ch: 14 */
-{ 2484 };
-static const uint16_t rcl10[] =	/* Added Korean channels 2312-2372 */
-{ 2312, 2317, 2322, 2327, 2332, 2337, 2342, 2347, 2352, 2357, 2362, 2367, 2372 };
-static const uint16_t rcl11[] =	/* Added Japan channels in 4.9/5.0 spectrum */
-{ 5040, 5060, 5080, 4920, 4940, 4960, 4980 };
-#ifdef ATH_TURBO_SCAN
-static const uint16_t rcl5[] =		/* 3 static turbo channels */
-{ 5210, 5250, 5290 };
-static const uint16_t rcl6[] =		/* 2 static turbo channels */
-{ 5760, 5800 };
-static const uint16_t rcl6x[] =	/* 4 FCC3 turbo channels */
-{ 5540, 5580, 5620, 5660 };
-static const uint16_t rcl12[] =	/* 2.4Ghz Turbo channel 6 */
-{ 2437 };
-static const uint16_t rcl13[] =	/* dynamic Turbo channels */
-{ 5200, 5240, 5280, 5765, 5805 };
-#endif /* ATH_TURBO_SCAN */
-
 struct scanlist {
 	uint16_t	mode;
 	uint16_t	count;
 	const uint16_t	*list;
 };
 
-#define	X(a)	.count = sizeof(a)/sizeof(a[0]), .list = a
-
-static const struct scanlist staScanTable[] = {
-	{ IEEE80211_MODE_11B,   	X(rcl3) },
-	{ IEEE80211_MODE_11A,   	X(rcl1) },
-	{ IEEE80211_MODE_11A,   	X(rcl2) },
-	{ IEEE80211_MODE_11B,   	X(rcl8) },
-	{ IEEE80211_MODE_11B,   	X(rcl9) },
-	{ IEEE80211_MODE_11A,   	X(rcl4) },
-#ifdef ATH_TURBO_SCAN
-	{ IEEE80211_MODE_STURBO_A,	X(rcl5) },
-	{ IEEE80211_MODE_STURBO_A,	X(rcl6) },
-	{ IEEE80211_MODE_TURBO_A,	X(rcl6x) },
-	{ IEEE80211_MODE_TURBO_A,	X(rcl13) },
-#endif /* ATH_TURBO_SCAN */
-	{ IEEE80211_MODE_11A,		X(rcl7) },
-	{ IEEE80211_MODE_11B,		X(rcl10) },
-	{ IEEE80211_MODE_11A,		X(rcl11) },
-#ifdef ATH_TURBO_SCAN
-	{ IEEE80211_MODE_TURBO_G,	X(rcl12) },
-#endif /* ATH_TURBO_SCAN */
-	{ .list = NULL }
-};
-
 static int
 checktable(const struct scanlist *scan, const struct ieee80211_channel *c)
 {
@@ -516,14 +461,61 @@
 }
 
 static void
-sta_makescanlist(struct ieee80211_scan_state *ss, struct ieee80211vap *vap)
+sweepchannels(struct ieee80211_scan_state *ss, struct ieee80211vap *vap,
+	const struct scanlist table[])
 {
-#define	N(a)	(sizeof(a)/sizeof(a[0]))
 	struct ieee80211com *ic = vap->iv_ic;
+	struct ieee80211_channel *c;
+	int i;
+
+	for (i = 0; i < ic->ic_nchans; i++) {
+		if (ss->ss_last >= IEEE80211_SCAN_MAX)
+			break;
+
+		c = &ic->ic_channels[i];
+		/*
+		 * Ignore dynamic turbo channels; we scan them
+		 * in normal mode (i.e. not boosted).  Likewise
+		 * for HT channels, they get scanned using
+		 * legacy rates.
+		 */
+		if (IEEE80211_IS_CHAN_DTURBO(c) || IEEE80211_IS_CHAN_HT(c))
+			continue;
+
+		/*
+		 * If a desired mode was specified, scan only 
+		 * channels that satisfy that constraint.
+		 */
+		if (vap->iv_des_mode != IEEE80211_MODE_AUTO &&
+		    vap->iv_des_mode != ieee80211_chan2mode(c))
+			continue;
+
+		/*
+		 * Skip channels excluded by user request.
+		 */
+		if (isexcluded(vap, c))
+			continue;
+
+		/*
+		 * Add the channel unless it is listed in the
+		 * fixed scan order tables.  This insures we
+		 * don't sweep back in channels we filtered out
+		 * above.
+		 */
+		if (checktable(table, c))
+			continue;
+
+		/* Add channel to scanning list. */
+		ss->ss_chans[ss->ss_last++] = c;
+	}
+}
+
+static void
+makescanlist(struct ieee80211_scan_state *ss, struct ieee80211vap *vap,
+	const struct scanlist table[])
+{
 	const struct scanlist *scan;
 	enum ieee80211_phymode mode;
-	struct ieee80211_channel *c;
-	int i;
 
 	ss->ss_last = 0;
 	/*
@@ -531,7 +523,7 @@
 	 * of channels for scanning.  Any channels in the ordered
 	 * list not in the master list will be discarded.
 	 */
-	for (scan = staScanTable; scan->list != NULL; scan++) {
+	for (scan = table; scan->list != NULL; scan++) {
 		mode = scan->mode;
 		if (vap->iv_des_mode != IEEE80211_MODE_AUTO) {
 			/*
@@ -574,46 +566,65 @@
 
 	/*
 	 * Add the channels from the ic that are not present
-	 * in the staScanTable.
+	 * in the table.
 	 */
-	for (i = 0; i < ic->ic_nchans; i++) {
-		if (ss->ss_last >= IEEE80211_SCAN_MAX)
-			break;
-		c = &ic->ic_channels[i];
-		/*
-		 * Ignore dynamic turbo channels; we scan them
-		 * in normal mode (i.e. not boosted).  Likewise
-		 * for HT channels, they get scanned using
-		 * legacy rates.
-		 */
-		if (IEEE80211_IS_CHAN_DTURBO(c) || IEEE80211_IS_CHAN_HT(c))
-			continue;
-		/*
-		 * If a desired mode was specified, scan only 
-		 * channels that satisfy that constraint.
-		 */
-		if (vap->iv_des_mode != IEEE80211_MODE_AUTO &&
-		    vap->iv_des_mode != ieee80211_chan2mode(c))
-			continue;
-		/*
-		 * Skip channels excluded by user request.
-		 */
-		if (isexcluded(vap, c))
-			continue;
-		/*
-		 * Add the channel unless it is listed in the
-		 * fixed scan order tables.  This insures we
-		 * don't sweep back in channels we filtered out
-		 * above.
-		 */
-		if (checktable(staScanTable, c))
-			continue;
+	sweepchannels(ss, vap, table);
+}
+
+static const uint16_t rcl1[] =		/* 8 FCC channel: 52, 56, 60, 64, 36, 40, 44, 48 */
+{ 5260, 5280, 5300, 5320, 5180, 5200, 5220, 5240 };
+static const uint16_t rcl2[] =		/* 4 MKK channels: 34, 38, 42, 46 */
+{ 5170, 5190, 5210, 5230 };
+static const uint16_t rcl3[] =		/* 2.4Ghz ch: 1,6,11,7,13 */
+{ 2412, 2437, 2462, 2442, 2472 };
+static const uint16_t rcl4[] =		/* 5 FCC channel: 149, 153, 161, 165 */
+{ 5745, 5765, 5785, 5805, 5825 };
+static const uint16_t rcl7[] =		/* 11 ETSI channel: 100,104,108,112,116,120,124,128,132,136,140 */
+{ 5500, 5520, 5540, 5560, 5580, 5600, 5620, 5640, 5660, 5680, 5700 };
+static const uint16_t rcl8[] =		/* 2.4Ghz ch: 2,3,4,5,8,9,10,12 */
+{ 2417, 2422, 2427, 2432, 2447, 2452, 2457, 2467 };
+static const uint16_t rcl9[] =		/* 2.4Ghz ch: 14 */
+{ 2484 };
+static const uint16_t rcl10[] =	/* Added Korean channels 2312-2372 */
+{ 2312, 2317, 2322, 2327, 2332, 2337, 2342, 2347, 2352, 2357, 2362, 2367, 2372 };
+static const uint16_t rcl11[] =	/* Added Japan channels in 4.9/5.0 spectrum */
+{ 5040, 5060, 5080, 4920, 4940, 4960, 4980 };
+#ifdef ATH_TURBO_SCAN
+static const uint16_t rcl5[] =		/* 3 static turbo channels */
+{ 5210, 5250, 5290 };
+static const uint16_t rcl6[] =		/* 2 static turbo channels */
+{ 5760, 5800 };
+static const uint16_t rcl6x[] =	/* 4 FCC3 turbo channels */
+{ 5540, 5580, 5620, 5660 };
+static const uint16_t rcl12[] =	/* 2.4Ghz Turbo channel 6 */
+{ 2437 };
+static const uint16_t rcl13[] =	/* dynamic Turbo channels */
+{ 5200, 5240, 5280, 5765, 5805 };
+#endif /* ATH_TURBO_SCAN */
+
+#define	X(a)	.count = sizeof(a)/sizeof(a[0]), .list = a
 
-		/* Add channel to scanning list. */
-		ss->ss_chans[ss->ss_last++] = c;
-	}
-#undef N
-}
+static const struct scanlist staScanTable[] = {
+	{ IEEE80211_MODE_11B,   	X(rcl3) },
+	{ IEEE80211_MODE_11A,   	X(rcl1) },
+	{ IEEE80211_MODE_11A,   	X(rcl2) },
+	{ IEEE80211_MODE_11B,   	X(rcl8) },
+	{ IEEE80211_MODE_11B,   	X(rcl9) },
+	{ IEEE80211_MODE_11A,   	X(rcl4) },
+#ifdef ATH_TURBO_SCAN
+	{ IEEE80211_MODE_STURBO_A,	X(rcl5) },
+	{ IEEE80211_MODE_STURBO_A,	X(rcl6) },
+	{ IEEE80211_MODE_TURBO_A,	X(rcl6x) },
+	{ IEEE80211_MODE_TURBO_A,	X(rcl13) },
+#endif /* ATH_TURBO_SCAN */
+	{ IEEE80211_MODE_11A,		X(rcl7) },
+	{ IEEE80211_MODE_11B,		X(rcl10) },
+	{ IEEE80211_MODE_11A,		X(rcl11) },
+#ifdef ATH_TURBO_SCAN
+	{ IEEE80211_MODE_TURBO_G,	X(rcl12) },
+#endif /* ATH_TURBO_SCAN */
+	{ .list = NULL }
+};
 
 /*
  * Start a station-mode scan by populating the channel list.
@@ -623,7 +634,7 @@
 {
 	struct sta_table *st = ss->ss_priv;
 
-	sta_makescanlist(ss, vap);
+	makescanlist(ss, vap, staScanTable);
 
 	if (ss->ss_mindwell == 0)
 		ss->ss_mindwell = msecs_to_ticks(20);	/* 20ms */
@@ -1269,57 +1280,10 @@
 static int
 adhoc_start(struct ieee80211_scan_state *ss, struct ieee80211vap *vap)
 {
-#define	N(a)	(sizeof(a)/sizeof(a[0]))
 	struct sta_table *st = ss->ss_priv;
-	const struct scanlist *scan;
-	enum ieee80211_phymode mode;
 	
-	ss->ss_last = 0;
-	/*
-	 * Use the table of ordered channels to construct the list
-	 * of channels for scanning.  Any channels in the ordered
-	 * list not in the master list will be discarded.
-	 */
-	for (scan = adhocScanTable; scan->list != NULL; scan++) {
-		mode = scan->mode;
-		if (vap->iv_des_mode != IEEE80211_MODE_AUTO) {
-			/*
-			 * If a desired mode was specified, scan only 
-			 * channels that satisfy that constraint.
-			 */
-			if (vap->iv_des_mode != mode) {
-				/*
-				 * The scan table marks 2.4Ghz channels as b
-				 * so if the desired mode is 11g, then use
-				 * the 11b channel list but upgrade the mode.
-				 */
-				/* XXX 11n upgrade */
-				if (vap->iv_des_mode != IEEE80211_MODE_11G ||
-				    mode != IEEE80211_MODE_11B)
-					continue;
-				mode = IEEE80211_MODE_11G;	/* upgrade */
-			}
-		} else {
-			/*
-			 * This lets add_channels upgrade an 11b channel
-			 * to 11g if available.
-			 */
-			if (mode == IEEE80211_MODE_11B)
-				mode = IEEE80211_MODE_AUTO;
-		}
-#ifdef IEEE80211_F_XR
-		/* XR does not operate on turbo channels */
-		if ((vap->iv_flags & IEEE80211_F_XR) &&
-		    (mode == IEEE80211_MODE_TURBO_A ||
-		     mode == IEEE80211_MODE_TURBO_G))
-			continue;
-#endif
-		/*
-		 * Add the list of the channels; any that are not
-		 * in the master channel list will be discarded.
-		 */
-		add_channels(vap, ss, mode, scan->list, scan->count);
-	}
+	makescanlist(ss, vap, adhocScanTable);
+
 	if (ss->ss_mindwell == 0)
 		ss->ss_mindwell = msecs_to_ticks(200);	/* 200ms */
 	if (ss->ss_maxdwell == 0)
@@ -1329,7 +1293,6 @@
 	st->st_newscan = 1;
 
 	return 0;
-#undef N
 }
 
 /*
@@ -1513,7 +1476,7 @@
 {
 	struct sta_table *st = ss->ss_priv;
 
-	sta_makescanlist(ss, vap);
+	makescanlist(ss, vap, staScanTable);
 
 	if (ss->ss_mindwell == 0)
 		ss->ss_mindwell = msecs_to_ticks(200);	/* 200ms */


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