Cumulative patch from commit 2cebdee66de6a1c6befe327c2348610478e06032

2cebdee Fix MinGW build
e4fa8b1 wpa_supplicant: Add Wake-on-WLAN configuration support
959214b Android: Use extended P2P functionality (ANDROID_P2P) for all vendors
9a41232 TDLS: Fully tear down existing link before setup
c04b465 TDLS: Disable links during AP deauth in external flow
b19719a TDLS: Make wpa_tdls_send_teardown() static
52f5877 nl80211: Take ownership of dynamically added interfaces
e390df0 nl80211: Cancel rfkill timeout on deinit
fa258a3 HS 2.0 R2: Fix writing of domain_suffix_match cred parameter
bb24229 TDLS: Pass peer's capability info to the driver in open mode

Change-Id: I20b4dba96c07a85cf7b9c9c4ae51bbf9f6f88540
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index af7b847..f56b198 100644
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -3123,6 +3123,79 @@
 }
 
 
+static int wpas_check_wowlan_trigger(const char *start, const char *trigger,
+				     int capa_trigger, u8 *param_trigger)
+{
+	if (os_strcmp(start, trigger) != 0)
+		return 0;
+	if (!capa_trigger)
+		return 0;
+
+	*param_trigger = 1;
+	return 1;
+}
+
+
+int wpas_set_wowlan_triggers(struct wpa_supplicant *wpa_s,
+			     struct wpa_driver_capa *capa)
+{
+	struct wowlan_triggers triggers;
+	char *start, *end, *buf;
+	int last, ret;
+
+	if (!wpa_s->conf->wowlan_triggers)
+		return 0;
+
+	buf = os_strdup(wpa_s->conf->wowlan_triggers);
+	if (buf == NULL)
+		return -1;
+
+	os_memset(&triggers, 0, sizeof(triggers));
+
+#define CHECK_TRIGGER(trigger) \
+	wpas_check_wowlan_trigger(start, #trigger,			\
+				  capa->wowlan_triggers.trigger,	\
+				  &triggers.trigger)
+
+	start = buf;
+	while (*start != '\0') {
+		while (isblank(*start))
+			start++;
+		if (*start == '\0')
+			break;
+		end = start;
+		while (!isblank(*end) && *end != '\0')
+			end++;
+		last = *end == '\0';
+		*end = '\0';
+
+		if (!CHECK_TRIGGER(any) &&
+		    !CHECK_TRIGGER(disconnect) &&
+		    !CHECK_TRIGGER(magic_pkt) &&
+		    !CHECK_TRIGGER(gtk_rekey_failure) &&
+		    !CHECK_TRIGGER(eap_identity_req) &&
+		    !CHECK_TRIGGER(four_way_handshake) &&
+		    !CHECK_TRIGGER(rfkill_release)) {
+			wpa_printf(MSG_DEBUG,
+				   "Unknown/unsupported wowlan trigger '%s'",
+				   start);
+			ret = -1;
+			goto out;
+		}
+
+		if (last)
+			break;
+		start = end + 1;
+	}
+#undef CHECK_TRIGGER
+
+	ret = wpa_drv_wowlan(wpa_s, &triggers);
+out:
+	os_free(buf);
+	return ret;
+}
+
+
 static struct wpa_radio * radio_add_interface(struct wpa_supplicant *wpa_s,
 					      const char *rn)
 {
@@ -3650,6 +3723,14 @@
 	if (wpa_bss_init(wpa_s) < 0)
 		return -1;
 
+	/*
+	 * Set Wake-on-WLAN triggers, if configured.
+	 * Note: We don't restore/remove the triggers on shutdown (it doesn't
+	 * have effect anyway when the interface is down).
+	 */
+	if (wpas_set_wowlan_triggers(wpa_s, &capa) < 0)
+		return -1;
+
 #ifdef CONFIG_EAP_PROXY
 {
 	size_t len;