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wpa_supplicant: report quality value 

Issue #1439.
This commit is contained in:
Josef Söntgen 2015-03-04 13:46:28 +01:00 committed by Christian Helmuth
parent 3279346f80
commit d443c136ed
1 changed files with 20 additions and 0 deletions
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20
repos/dde_linux/src/lib/wpa_supplicant/reporter.cc
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@ -90,6 +90,23 @@ extern "C" void wpa_report_disconnect_event(struct wpa_supplicant *wpa_s)
}
static inline int approximate_quality(struct wpa_bss *bss)
{
/*
* We provide an quality value by transforming the actual
* signal level [-50,-100] (dBm) to [100,0] (%).
*/
int level = bss->level;
if (level <= -100)
return 0;
else if (level >= -50)
return 100;
return 2 * (level + 100);
}
extern "C" void wpa_report_scan_results(struct wpa_supplicant *wpa_s)
{
accesspoints_reporter.enabled(true);
@ -107,9 +124,12 @@ extern "C" void wpa_report_scan_results(struct wpa_supplicant *wpa_s)
Genode::String<SSID_MAX_LEN> ssid((char const*)bss->ssid, bss->ssid_len);
int quality = approximate_quality(bss);
xml.node("accesspoint", [&]() {
xml.attribute("ssid", ssid.string());
xml.attribute("bssid", bssid_buf);
xml.attribute("quality", quality);
/* XXX we forcefully only support WPA/WPA2 psk for now */
if (wpa || wpa2)