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41 lines
1.0 KiB
41 lines
1.0 KiB
Don't do broadcast SSID scans, if all configured SSIDs use scan_ssid=1. Improves background scanning in supplicant-managed roaming.
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--- a/wpa_supplicant/scan.c
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+++ b/wpa_supplicant/scan.c
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@@ -73,6 +73,7 @@ static void wpa_supplicant_scan(void *el
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struct wpabuf *wps_ie = NULL;
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const u8 *extra_ie = NULL;
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size_t extra_ie_len = 0;
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+ int scan_ssid_all = 1;
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int wps = 0;
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#ifdef CONFIG_WPS
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enum wps_request_type req_type = WPS_REQ_ENROLLEE_INFO;
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@@ -82,6 +83,17 @@ static void wpa_supplicant_scan(void *el
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return;
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enabled = 0;
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+
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+ /* check if all configured ssids should be scanned directly */
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+ ssid = wpa_s->conf->ssid;
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+ while (ssid) {
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+ if (!ssid->scan_ssid) {
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+ scan_ssid_all = 0;
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+ break;
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+ }
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+ ssid = ssid->next;
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+ }
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+
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ssid = wpa_s->conf->ssid;
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while (ssid) {
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if (!ssid->disabled) {
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@@ -154,6 +166,10 @@ static void wpa_supplicant_scan(void *el
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return;
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}
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+ if (scan_ssid_all && !ssid) {
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+ ssid = wpa_s->conf->ssid;
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+ }
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+
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wpa_printf(MSG_DEBUG, "Starting AP scan (%s SSID)",
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ssid ? "specific": "broadcast");
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if (ssid) {
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