+++ /dev/null
-Add a scan result cache to improve roaming speed if the driver gave us a background scan before losing the connection.
-
---- a/wpa_supplicant/config.h
-+++ b/wpa_supplicant/config.h
-@@ -97,6 +97,12 @@ struct wpa_config {
- int ap_scan;
-
- /**
-+ * scan_cache - controls the time in seconds after the last scan results
-+ * before a new scan may be initiated
-+ */
-+ int scan_cache;
-+
-+ /**
- * ctrl_interface - Parameters for the control interface
- *
- * If this is specified, %wpa_supplicant will open a control interface
---- a/wpa_supplicant/config_file.c
-+++ b/wpa_supplicant/config_file.c
-@@ -306,6 +306,13 @@ static int wpa_config_parse_int(const st
- return 0;
- }
-
-+static int wpa_config_process_scan_cache(struct wpa_config *config, char *pos)
-+{
-+ config->scan_cache = atoi(pos);
-+ wpa_printf(MSG_DEBUG, "scan_cache=%d", config->scan_cache);
-+ return 0;
-+}
-+
-
- static int wpa_config_parse_str(const struct global_parse_data *data,
- struct wpa_config *config, int line,
-@@ -433,6 +440,7 @@ static const struct global_parse_data gl
- #endif /* CONFIG_CTRL_IFACE */
- { INT_RANGE(eapol_version, 1, 2) },
- { INT(ap_scan) },
-+ { INT(scan_cache) },
- { INT(fast_reauth) },
- #ifdef EAP_TLS_OPENSSL
- { STR(opensc_engine_path) },
-@@ -835,6 +843,8 @@ static void wpa_config_write_global(FILE
- fprintf(f, "eapol_version=%d\n", config->eapol_version);
- if (config->ap_scan != DEFAULT_AP_SCAN)
- fprintf(f, "ap_scan=%d\n", config->ap_scan);
-+ if (config->scan_cache != 0)
-+ fprintf(f, "scan_cache=%d\n", config->scan_cache);
- if (config->fast_reauth != DEFAULT_FAST_REAUTH)
- fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
- #ifdef EAP_TLS_OPENSSL
---- a/wpa_supplicant/events.c
-+++ b/wpa_supplicant/events.c
-@@ -541,7 +541,7 @@ wpa_supplicant_select_bss_non_wpa(struct
- "BSSID mismatch");
- continue;
- }
--
-+
- if (!(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
- !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
- !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA))
-@@ -551,7 +551,7 @@ wpa_supplicant_select_bss_non_wpa(struct
- continue;
- }
-
-- if ((ssid->key_mgmt &
-+ if ((ssid->key_mgmt &
- (WPA_KEY_MGMT_IEEE8021X | WPA_KEY_MGMT_PSK |
- WPA_KEY_MGMT_FT_IEEE8021X | WPA_KEY_MGMT_FT_PSK |
- WPA_KEY_MGMT_IEEE8021X_SHA256 |
-@@ -640,6 +640,9 @@ static void wpa_supplicant_event_scan_re
- wpa_s->disconnected)
- return;
-
-+ if (wpa_s->wpa_state > WPA_ASSOCIATED)
-+ goto done;
-+
- while (selected == NULL) {
- for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
- selected = wpa_supplicant_select_bss(
-@@ -652,6 +655,7 @@ static void wpa_supplicant_event_scan_re
- wpa_printf(MSG_DEBUG, "No APs found - clear blacklist "
- "and try again");
- wpa_blacklist_clear(wpa_s);
-+ memset(&wpa_s->last_scan_results, 0, sizeof(wpa_s->last_scan_results));
- wpa_s->blacklist_cleared++;
- } else if (selected == NULL) {
- break;
-@@ -687,10 +691,12 @@ static void wpa_supplicant_event_scan_re
- rsn_preauth_scan_results(wpa_s->wpa, wpa_s->scan_res);
- } else {
- wpa_printf(MSG_DEBUG, "No suitable AP found.");
-- timeout = 5;
-+ timeout = 0;
- goto req_scan;
- }
-
-+done:
-+ os_get_time(&wpa_s->last_scan_results);
- return;
-
- req_scan:
-@@ -894,6 +900,9 @@ static void wpa_supplicant_event_disasso
- }
- if (wpa_s->wpa_state >= WPA_ASSOCIATED)
- wpa_supplicant_req_scan(wpa_s, 0, 100000);
-+ else if (wpa_s->wpa_state == WPA_ASSOCIATING)
-+ wpa_supplicant_req_auth_timeout(wpa_s, 0, 100000);
-+
- bssid = wpa_s->bssid;
- if (is_zero_ether_addr(bssid))
- bssid = wpa_s->pending_bssid;
---- a/wpa_supplicant/wpa_supplicant_i.h
-+++ b/wpa_supplicant/wpa_supplicant_i.h
-@@ -350,6 +350,7 @@ struct wpa_supplicant {
- struct wpa_client_mlme mlme;
- int use_client_mlme;
- int driver_4way_handshake;
-+ struct os_time last_scan_results;
-
- int pending_mic_error_report;
- int pending_mic_error_pairwise;
-@@ -405,6 +406,7 @@ int wpa_supplicant_scard_init(struct wpa
-
- /* scan.c */
- void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);
-+int wpa_supplicant_may_scan(struct wpa_supplicant *wpa_s);
- void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s);
-
- /* events.c */
---- a/wpa_supplicant/scan.c
-+++ b/wpa_supplicant/scan.c
-@@ -40,6 +40,18 @@ static void wpa_supplicant_gen_assoc_eve
- wpa_supplicant_event(wpa_s, EVENT_ASSOC, &data);
- }
-
-+int wpa_supplicant_may_scan(struct wpa_supplicant *wpa_s)
-+{
-+ struct os_time time;
-+
-+ if (wpa_s->conf->scan_cache > 0) {
-+ os_get_time(&time);
-+ time.sec -= wpa_s->conf->scan_cache;
-+ if (os_time_before(&time, &wpa_s->last_scan_results))
-+ return 0;
-+ }
-+ return 1;
-+}
-
- #ifdef CONFIG_WPS
- static int wpas_wps_in_use(struct wpa_config *conf,
-@@ -183,8 +195,9 @@ static void wpa_supplicant_scan(void *el
- wps = wpas_wps_in_use(wpa_s->conf, &req_type);
- #endif /* CONFIG_WPS */
-
-- if (wpa_s->scan_res_tried == 0 && wpa_s->conf->ap_scan == 1 &&
-- !wpa_s->use_client_mlme && wps != 2) {
-+ if (!wpa_supplicant_may_scan(wpa_s) ||
-+ (wpa_s->scan_res_tried == 0 && wpa_s->conf->ap_scan == 1 &&
-+ !wpa_s->use_client_mlme && wps != 2)) {
- wpa_s->scan_res_tried++;
- wpa_s->scan_req = scan_req;
- wpa_printf(MSG_DEBUG, "Trying to get current scan results "
---- a/wpa_supplicant/wpa_supplicant.c
-+++ b/wpa_supplicant/wpa_supplicant.c
-@@ -1491,6 +1491,9 @@ void wpa_supplicant_rx_eapol(void *ctx,
- {
- struct wpa_supplicant *wpa_s = ctx;
-
-+ if (wpa_s->wpa_state < WPA_ASSOCIATING)
-+ return;
-+
- wpa_printf(MSG_DEBUG, "RX EAPOL from " MACSTR, MAC2STR(src_addr));
- wpa_hexdump(MSG_MSGDUMP, "RX EAPOL", buf, len);
-
projects / openwrt / svn-archive / archive.git / blobdiff