commit 8bae4138a0356709720a96f3e50b4d734e532c12
author Dmitry Shmidt <dimitrysh@google.com> Thu Jun 06 11:25:10 2013 -0700
committer Dmitry Shmidt <dimitrysh@google.com> Thu Jun 06 11:25:10 2013 -0700
tree 469665c7a3dd83523f082389bb33b5c9095d6b30
parent d3e385e428c94340d89ba090e3500a085463e713

Accumulative patch from commit 4abc0424ef4bde2ea4fb1ba1c18619c7bc36eb02

4abc042 P2P: Automatic channel selection at re-invocation of persistent GO
8f39528 P2P: Modify wait time in INVITE state based on Tx status of INV-REQ
e112764 nl80211: Use NL80211_ATTR_PEER_AID to set TDLS peer AID
f8a5fd4 Synchronize with wireless-testing.git include/uapi/linux/nl80211.h
9b1693a WPS: Allow Device Password Id changes between PIN methods
1ba51ec nl80211: Add debug print for set_supp_port operation
add9b7a nl80211: Ignore deauth/disassoc event from old AP
eb4737f Fix ESS_DISASSOC ctrl_iface command parser
b54c9ff FT: Fix TKIP group key configuration in FT protocol
e78aaca Stop TKIP countermeasures on FLUSH command
3cb953e Do not set driver MAC ACL unless driver supports this
3c4ca36 hostapd: Support MAC address based access control list

Change-Id: I0250e483c2992e6da8b2d1a323b7e3b8a73f9608
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>

wpa_supplicant/p2p_supplicant.c

diff --git a/wpa_supplicant/p2p_supplicant.c b/wpa_supplicant/p2p_supplicant.c
index c36f61c..f9193ae 100644
--- a/wpa_supplicant/p2p_supplicant.c
+++ b/wpa_supplicant/p2p_supplicant.c
@@ -4131,6 +4131,60 @@
 }
 
 
+static int wpas_p2p_select_go_freq(struct wpa_supplicant *wpa_s, int freq)
+{
+	unsigned int r;
+
+	if (freq == 2) {
+		wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz "
+			   "band");
+		if (wpa_s->best_24_freq > 0 &&
+		    p2p_supported_freq(wpa_s->global->p2p,
+				       wpa_s->best_24_freq)) {
+			freq = wpa_s->best_24_freq;
+			wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band "
+				   "channel: %d MHz", freq);
+		} else {
+			os_get_random((u8 *) &r, sizeof(r));
+			freq = 2412 + (r % 3) * 25;
+			wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band "
+				   "channel: %d MHz", freq);
+		}
+	}
+
+	if (freq == 5) {
+		wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 5 GHz "
+			   "band");
+		if (wpa_s->best_5_freq > 0 &&
+		    p2p_supported_freq(wpa_s->global->p2p,
+				       wpa_s->best_5_freq)) {
+			freq = wpa_s->best_5_freq;
+			wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band "
+				   "channel: %d MHz", freq);
+		} else {
+			os_get_random((u8 *) &r, sizeof(r));
+			freq = 5180 + (r % 4) * 20;
+			if (!p2p_supported_freq(wpa_s->global->p2p, freq)) {
+				wpa_printf(MSG_DEBUG, "P2P: Could not select "
+					   "5 GHz channel for P2P group");
+				return -1;
+			}
+			wpa_printf(MSG_DEBUG, "P2P: Use random 5 GHz band "
+				   "channel: %d MHz", freq);
+		}
+	}
+
+	if (freq > 0 && !p2p_supported_freq(wpa_s->global->p2p, freq)) {
+		wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO "
+			   "(%u MHz) is not supported for P2P uses",
+			   freq);
+		return -1;
+	}
+
+	return freq;
+}
+
+
 static int wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s,
 				   struct p2p_go_neg_results *params,
 				   int freq, int ht40,
@@ -4326,7 +4380,6 @@
 		       int freq, int ht40)
 {
 	struct p2p_go_neg_results params;
-	unsigned int r;
 
 	if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL)
 		return -1;
@@ -4335,51 +4388,9 @@
 	wpa_printf(MSG_DEBUG, "P2P: Stop any on-going P2P FIND");
 	wpas_p2p_stop_find_oper(wpa_s);
 
-	if (freq == 2) {
-		wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 2.4 GHz "
-			   "band");
-		if (wpa_s->best_24_freq > 0 &&
-		    p2p_supported_freq(wpa_s->global->p2p,
-				       wpa_s->best_24_freq)) {
-			freq = wpa_s->best_24_freq;
-			wpa_printf(MSG_DEBUG, "P2P: Use best 2.4 GHz band "
-				   "channel: %d MHz", freq);
-		} else {
-			os_get_random((u8 *) &r, sizeof(r));
-			freq = 2412 + (r % 3) * 25;
-			wpa_printf(MSG_DEBUG, "P2P: Use random 2.4 GHz band "
-				   "channel: %d MHz", freq);
-		}
-	}
-
-	if (freq == 5) {
-		wpa_printf(MSG_DEBUG, "P2P: Request to start GO on 5 GHz "
-			   "band");
-		if (wpa_s->best_5_freq > 0 &&
-		    p2p_supported_freq(wpa_s->global->p2p,
-				       wpa_s->best_5_freq)) {
-			freq = wpa_s->best_5_freq;
-			wpa_printf(MSG_DEBUG, "P2P: Use best 5 GHz band "
-				   "channel: %d MHz", freq);
-		} else {
-			os_get_random((u8 *) &r, sizeof(r));
-			freq = 5180 + (r % 4) * 20;
-			if (!p2p_supported_freq(wpa_s->global->p2p, freq)) {
-				wpa_printf(MSG_DEBUG, "P2P: Could not select "
-					   "5 GHz channel for P2P group");
-				return -1;
-			}
-			wpa_printf(MSG_DEBUG, "P2P: Use random 5 GHz band "
-				   "channel: %d MHz", freq);
-		}
-	}
-
-	if (freq > 0 && !p2p_supported_freq(wpa_s->global->p2p, freq)) {
-		wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO "
-			   "(%u MHz) is not supported for P2P uses",
-			   freq);
+	freq = wpas_p2p_select_go_freq(wpa_s, freq);
+	if (freq < 0)
 		return -1;
-	}
 
 	if (wpas_p2p_init_go_params(wpa_s, &params, freq, ht40, NULL))
 		return -1;
@@ -4475,6 +4486,10 @@
 	if (ssid->mode != WPAS_MODE_P2P_GO)
 		return -1;
 
+	freq = wpas_p2p_select_go_freq(wpa_s, freq);
+	if (freq < 0)
+		return -1;
+
 	if (wpas_p2p_init_go_params(wpa_s, &params, freq, ht40, channels))
 		return -1;