mesh: Add support for scanning only the current frequency

[mech_eap.git] / wpa_supplicant / wpa_supplicant.c

diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index 9a5d180..4805f83 100644 (file)
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -2574,15 +2574,20 @@ void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
        } else
                wpa_supplicant_enable_one_network(wpa_s, ssid);
 
-       if (wpa_s->reassociate && !wpa_s->disconnected) {
+       if (wpa_s->reassociate && !wpa_s->disconnected &&
+           (!wpa_s->current_ssid ||
+            wpa_s->wpa_state == WPA_DISCONNECTED ||
+            wpa_s->wpa_state == WPA_SCANNING)) {
                if (wpa_s->sched_scanning) {
                        wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to add "
                                   "new network to scan filters");
                        wpa_supplicant_cancel_sched_scan(wpa_s);
                }
 
-               if (wpa_supplicant_fast_associate(wpa_s) != 1)
+               if (wpa_supplicant_fast_associate(wpa_s) != 1) {
+                       wpa_s->scan_req = NORMAL_SCAN_REQ;
                        wpa_supplicant_req_scan(wpa_s, 0, 0);
+               }
        }
 }
 
@@ -2710,8 +2715,10 @@ void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
        wpa_s->reassociate = 1;
 
        if (wpa_s->connect_without_scan ||
-           wpa_supplicant_fast_associate(wpa_s) != 1)
+           wpa_supplicant_fast_associate(wpa_s) != 1) {
+               wpa_s->scan_req = NORMAL_SCAN_REQ;
                wpa_supplicant_req_scan(wpa_s, 0, disconnected ? 100000 : 0);
+       }
 
        if (ssid)
                wpas_notify_network_selected(wpa_s, ssid);
@@ -2786,6 +2793,11 @@ int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s, int ap_scan)
        if (ap_scan < 0 || ap_scan > 2)
                return -1;
 
+       if (ap_scan == 2 && os_strcmp(wpa_s->driver->name, "nl80211") == 0) {
+               wpa_printf(MSG_INFO,
+                          "Note: nl80211 driver interface is not designed to be used with ap_scan=2; this can result in connection failures");
+       }
+
 #ifdef ANDROID
        if (ap_scan == 2 && ap_scan != wpa_s->conf->ap_scan &&
            wpa_s->wpa_state >= WPA_ASSOCIATING &&
@@ -3291,6 +3303,12 @@ int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s)
                }
        }
 
+       if (wpa_s->conf->ap_scan == 2 &&
+           os_strcmp(wpa_s->driver->name, "nl80211") == 0) {
+               wpa_printf(MSG_INFO,
+                          "Note: nl80211 driver interface is not designed to be used with ap_scan=2; this can result in connection failures");
+       }
+
        wpa_clear_keys(wpa_s, NULL);
 
        /* Make sure that TKIP countermeasures are not left enabled (could
@@ -5533,7 +5551,8 @@ int get_shared_radio_freqs_data(struct wpa_supplicant *wpa_s,
                        continue;
 
                if (ifs->current_ssid->mode == WPAS_MODE_AP ||
-                   ifs->current_ssid->mode == WPAS_MODE_P2P_GO)
+                   ifs->current_ssid->mode == WPAS_MODE_P2P_GO ||
+                   ifs->current_ssid->mode == WPAS_MODE_MESH)
                        freq = ifs->current_ssid->frequency;
                else if (wpa_drv_get_bssid(ifs, bssid) == 0)
                        freq = ifs->assoc_freq;