mirror of
https://github.com/openwrt/openwrt.git
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42 lines
1.1 KiB
Diff
42 lines
1.1 KiB
Diff
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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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Index: wpa_supplicant-0.6.3/wpa_supplicant/scan.c
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===================================================================
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--- wpa_supplicant-0.6.3.orig/wpa_supplicant/scan.c 2008-07-09 18:53:28.000000000 +0200
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+++ wpa_supplicant-0.6.3/wpa_supplicant/scan.c 2008-07-09 19:00:55.000000000 +0200
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@@ -48,11 +48,23 @@
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int enabled, scan_req = 0, ret;
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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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if (wpa_s->disconnected && !wpa_s->scan_req)
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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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@@ -125,6 +137,10 @@
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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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