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Current Path: /usr/src/contrib/wpa/src/ap

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📄 accounting.c(14.53 KB)
📄 accounting.h(1.12 KB)
📄 acs.c(29.71 KB)
📄 acs.h(764 B)
📄 airtime_policy.c(6.82 KB)
📄 airtime_policy.h(1.27 KB)
📄 ap_config.c(33.39 KB)
📄 ap_config.h(26.53 KB)
📄 ap_drv_ops.c(25.84 KB)
📄 ap_drv_ops.h(13.38 KB)
📄 ap_list.c(6.82 KB)
📄 ap_list.h(1.5 KB)
📄 ap_mlme.c(5.64 KB)
📄 ap_mlme.h(1007 B)
📄 authsrv.c(8.72 KB)
📄 authsrv.h(352 B)
📄 beacon.c(40.32 KB)
📄 beacon.h(1.25 KB)
📄 bss_load.c(2.4 KB)
📄 bss_load.h(376 B)
📄 ctrl_iface_ap.c(24.3 KB)
📄 ctrl_iface_ap.h(1.61 KB)
📄 dfs.c(29.35 KB)
📄 dfs.h(1.22 KB)
📄 dhcp_snoop.c(3.36 KB)
📄 dhcp_snoop.h(590 B)
📄 dpp_hostapd.c(48.28 KB)
📄 dpp_hostapd.h(1.74 KB)
📄 drv_callbacks.c(51.68 KB)
📄 eap_user_db.c(7.92 KB)
📄 eth_p_oui.c(4.44 KB)
📄 eth_p_oui.h(958 B)
📄 fils_hlp.c(16.82 KB)
📄 fils_hlp.h(547 B)
📄 gas_query_ap.c(19.53 KB)
📄 gas_query_ap.h(1.24 KB)
📄 gas_serv.c(50.48 KB)
📄 gas_serv.h(3.38 KB)
📄 hostapd.c(89.58 KB)
📄 hostapd.h(17.99 KB)
📄 hs20.c(6.27 KB)
📄 hs20.h(843 B)
📄 hw_features.c(24.77 KB)
📄 hw_features.h(1.93 KB)
📄 iapp.c(14.59 KB)
📄 iapp.h(833 B)
📄 ieee802_11.c(148.71 KB)
📄 ieee802_11.h(7.97 KB)
📄 ieee802_11_auth.c(18.3 KB)
📄 ieee802_11_auth.h(1.04 KB)
📄 ieee802_11_he.c(8.77 KB)
📄 ieee802_11_ht.c(16.22 KB)
📄 ieee802_11_shared.c(23.95 KB)
📄 ieee802_11_vht.c(13.4 KB)
📄 ieee802_1x.c(83.16 KB)
📄 ieee802_1x.h(2.84 KB)
📄 mbo_ap.c(5.22 KB)
📄 mbo_ap.h(1.16 KB)
📄 ndisc_snoop.c(4.3 KB)
📄 ndisc_snoop.h(838 B)
📄 neighbor_db.c(6.49 KB)
📄 neighbor_db.h(940 B)
📄 p2p_hostapd.c(2.57 KB)
📄 p2p_hostapd.h(888 B)
📄 pmksa_cache_auth.c(18.79 KB)
📄 pmksa_cache_auth.h(2.69 KB)
📄 preauth_auth.c(6.47 KB)
📄 preauth_auth.h(1.26 KB)
📄 rrm.c(17.27 KB)
📄 rrm.h(1.21 KB)
📄 sta_info.c(41.42 KB)
📄 sta_info.h(11.63 KB)
📄 taxonomy.c(7.45 KB)
📄 taxonomy.h(766 B)
📄 tkip_countermeasures.c(2.95 KB)
📄 tkip_countermeasures.h(451 B)
📄 utils.c(2.29 KB)
📄 vlan.c(756 B)
📄 vlan.h(727 B)
📄 vlan_full.c(18.35 KB)
📄 vlan_ifconfig.c(1.47 KB)
📄 vlan_init.c(5.88 KB)
📄 vlan_init.h(1.09 KB)
📄 vlan_ioctl.c(3.75 KB)
📄 vlan_util.c(3.9 KB)
📄 vlan_util.h(980 B)
📄 wmm.c(11.47 KB)
📄 wmm.h(653 B)
📄 wnm_ap.c(23.69 KB)
📄 wnm_ap.h(1.08 KB)
📄 wpa_auth.c(140.03 KB)
📄 wpa_auth.h(17.89 KB)
📄 wpa_auth_ft.c(120.89 KB)
📄 wpa_auth_glue.c(35.42 KB)
📄 wpa_auth_glue.h(443 B)
📄 wpa_auth_i.h(8.47 KB)
📄 wpa_auth_ie.c(32.38 KB)
📄 wpa_auth_ie.h(1.14 KB)
📄 wpa_auth_kay.c(12.26 KB)
📄 wpa_auth_kay.h(1.15 KB)
📄 wps_hostapd.c(54.66 KB)
📄 wps_hostapd.h(2.79 KB)
📄 x_snoop.c(3.21 KB)
📄 x_snoop.h(1.29 KB)

Editing: bss_load.c

/*
 * 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 int get_bss_load_update_timeout(struct hostapd_data *hapd,
				       unsigned int *sec, unsigned int *usec)
{
	unsigned int update_period = hapd->conf->bss_load_update_period;
	unsigned int beacon_int = hapd->iconf->beacon_int;
	unsigned int update_timeout;

if (!update_period || !beacon_int) {
		wpa_printf(MSG_ERROR,
			   "BSS Load: Invalid BSS load update configuration (period=%u beacon_int=%u)",
			   update_period, beacon_int);
		return -1;
	}

update_timeout = update_period * beacon_int;

*sec = ((update_timeout / 1000) * 1024) / 1000;
	*usec = (update_timeout % 1000) * 1024;

return 0;
}

static void update_channel_utilization(void *eloop_data, void *user_data)
{
	struct hostapd_data *hapd = eloop_data;
	unsigned int sec, usec;
	int err;
	struct hostapd_iface *iface = hapd->iface;

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);

if (get_bss_load_update_timeout(hapd, &sec, &usec) < 0)
		return;

if (hapd->conf->chan_util_avg_period) {
		iface->chan_util_samples_sum += iface->channel_utilization;
		iface->chan_util_num_sample_periods +=
			hapd->conf->bss_load_update_period;
		if (iface->chan_util_num_sample_periods >=
		    hapd->conf->chan_util_avg_period) {
			iface->chan_util_average =
				iface->chan_util_samples_sum /
				(iface->chan_util_num_sample_periods /
				 hapd->conf->bss_load_update_period);
			iface->chan_util_samples_sum = 0;
			iface->chan_util_num_sample_periods = 0;
		}
	}

eloop_register_timeout(sec, usec, update_channel_utilization, hapd,
			       NULL);
}

int bss_load_update_init(struct hostapd_data *hapd)
{
	unsigned int sec, usec;

if (get_bss_load_update_timeout(hapd, &sec, &usec) < 0)
		return -1;

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);
}

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Editing: bss_load.c

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