P2P: Add preference setting for concurrent use cases

Add an additional parameter to prioritize either sta or p2p connection
to resolve conflicts arising during single channel concurrency.

Signed-hostap: Jithu Jance <jithu@broadcom.com>

wpa_supplicant/ctrl_iface.c

@@ -3562,6 +3562,20 @@ static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
 		return 0;
 	}
 
+	if (os_strcmp(cmd, "conc_pref") == 0) {
+		if (os_strcmp(param, "sta") == 0)
+			wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
+		else if (os_strcmp(param, "p2p") == 0)
+			wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
+		else {
+			wpa_printf(MSG_INFO, "Invalid conc_pref value");
+			return -1;
+		}
+		wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
+			   "%s", param);
+		return 0;
+	}
+
 	if (os_strcmp(cmd, "force_long_sd") == 0) {
 		wpa_s->force_long_sd = atoi(param);
 		return 0;

wpa_supplicant/wpa_supplicant.c

@@ -3357,3 +3357,13 @@ int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
 
 	return 0;
 }
+
+
+int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s)
+{
+	if (wpa_s->global->conc_pref == WPA_CONC_PREF_P2P)
+		return 1;
+	if (wpa_s->global->conc_pref == WPA_CONC_PREF_STA)
+		return 0;
+	return -1;
+}

wpa_supplicant/wpa_supplicant_i.h

@@ -234,6 +234,11 @@ struct wpa_global {
 	int cross_connection;
 	struct wpa_freq_range *p2p_disallow_freq;
 	unsigned int num_p2p_disallow_freq;
+	enum wpa_conc_pref {
+		WPA_CONC_PREF_NOT_SET,
+		WPA_CONC_PREF_STA,
+		WPA_CONC_PREF_P2P
+	} conc_pref;
 };
 
 
@@ -642,6 +647,7 @@ void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
+int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
 void wpa_supplicant_proc_40mhz_intolerant(struct wpa_supplicant *wpa_s);
 
 /**