Maintain internal copy of Probe Response offload capabilities

Signed-hostap: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>

hostapd/main.c

@@ -303,8 +303,10 @@ static int hostapd_driver_init(struct hostapd_iface *iface)
 	}
 
 	if (hapd->driver->get_capa &&
-	    hapd->driver->get_capa(hapd->drv_priv, &capa) == 0)
+	    hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) {
 		iface->drv_flags = capa.flags;
+		iface->probe_resp_offloads = capa.probe_resp_offloads;
+	}
 
 	return 0;
 }

src/ap/hostapd.h

@@ -192,6 +192,13 @@ struct hostapd_iface {
 	struct ap_info *ap_iter_list;
 
 	unsigned int drv_flags;
+
+	/*
+	 * A bitmap of supported protocols for probe response offload. See
+	 * struct wpa_driver_capa in driver.h
+	 */
+	unsigned int probe_resp_offloads;
+
 	struct hostapd_hw_modes *hw_features;
 	int num_hw_features;
 	struct hostapd_hw_modes *current_mode;

wpa_supplicant/ap.c

@@ -466,6 +466,7 @@ int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
 		return -1;
 	hapd_iface->owner = wpa_s;
 	hapd_iface->drv_flags = wpa_s->drv_flags;
+	hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
 
 	wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
 	if (conf == NULL) {

wpa_supplicant/wpa_supplicant.c

@@ -2326,6 +2326,7 @@ next_driver:
 	if (wpa_drv_get_capa(wpa_s, &capa) == 0) {
 		wpa_s->drv_capa_known = 1;
 		wpa_s->drv_flags = capa.flags;
+		wpa_s->probe_resp_offloads = capa.probe_resp_offloads;
 		wpa_s->max_scan_ssids = capa.max_scan_ssids;
 		wpa_s->max_sched_scan_ssids = capa.max_sched_scan_ssids;
 		wpa_s->sched_scan_supported = capa.sched_scan_supported;

wpa_supplicant/wpa_supplicant_i.h

@@ -340,6 +340,13 @@ struct wpa_supplicant {
 	int normal_scans; /* normal scans run before sched_scan */
 
 	unsigned int drv_flags;
+
+	/*
+	 * A bitmap of supported protocols for probe response offload. See
+	 * struct wpa_driver_capa in driver.h
+	 */
+	unsigned int probe_resp_offloads;
+
 	int max_scan_ssids;
 	int max_sched_scan_ssids;
 	int sched_scan_supported;