Merged the hostap_2.6 updates, and the Leap of Faith work, from the hostap_update...

[mech_eap.git] / libeap / src / ap / bss_load.c

diff --git a/libeap/src/ap/bss_load.c b/libeap/src/ap/bss_load.c
new file mode 100644 (file)
index 0000000..fb63942
--- /dev/null
+++ b/libeap/src/ap/bss_load.c
@@ -0,0 +1,65 @@
+/*
+ * BSS Load Element / Channel Utilization
+ * Copyright (c) 2014, Qualcomm Atheros, Inc.
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "hostapd.h"
+#include "bss_load.h"
+#include "ap_drv_ops.h"
+#include "beacon.h"
+
+
+static void update_channel_utilization(void *eloop_data, void *user_data)
+{
+       struct hostapd_data *hapd = eloop_data;
+       unsigned int sec, usec;
+       int err;
+
+       if (!(hapd->beacon_set_done && hapd->started))
+               return;
+
+       err = hostapd_drv_get_survey(hapd, hapd->iface->freq);
+       if (err) {
+               wpa_printf(MSG_ERROR, "BSS Load: Failed to get survey data");
+               return;
+       }
+
+       ieee802_11_set_beacon(hapd);
+
+       sec = ((hapd->bss_load_update_timeout / 1000) * 1024) / 1000;
+       usec = (hapd->bss_load_update_timeout % 1000) * 1024;
+       eloop_register_timeout(sec, usec, update_channel_utilization, hapd,
+                              NULL);
+}
+
+
+int bss_load_update_init(struct hostapd_data *hapd)
+{
+       struct hostapd_bss_config *conf = hapd->conf;
+       struct hostapd_config *iconf = hapd->iconf;
+       unsigned int sec, usec;
+
+       if (!conf->bss_load_update_period || !iconf->beacon_int)
+               return -1;
+
+       hapd->bss_load_update_timeout = conf->bss_load_update_period *
+                                       iconf->beacon_int;
+       sec = ((hapd->bss_load_update_timeout / 1000) * 1024) / 1000;
+       usec = (hapd->bss_load_update_timeout % 1000) * 1024;
+       eloop_register_timeout(sec, usec, update_channel_utilization, hapd,
+                              NULL);
+       return 0;
+}
+
+
+void bss_load_update_deinit(struct hostapd_data *hapd)
+{
+       eloop_cancel_timeout(update_channel_utilization, hapd, NULL);
+}