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hostapd: Added signal level to STA tracking

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Add signal level information to the station tracking information. Also
make it available via the "TRACK_STA_LIST" control command.

Signed-off-by: Kevin Mahoney <k.mahoney@cablelabs.com>
This commit is contained in:
Kevin Mahoney 2016-10-18 22:07:13 +00:00 committed by Jouni Malinen
parent a1047f55b8
commit a818425d1c
5 changed files with 10 additions and 6 deletions
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5
hostapd/ctrl_iface.c
View file

@ -2083,8 +2083,9 @@ static int hostapd_ctrl_iface_track_sta_list(struct hostapd_data *hapd,
int ret;
os_reltime_sub(&now, &info->last_seen, &age);
ret = os_snprintf(pos, end - pos, MACSTR " %u\n",
MAC2STR(info->addr), (unsigned int) age.sec);
ret = os_snprintf(pos, end - pos, MACSTR " %u %d\n",
MAC2STR(info->addr), (unsigned int) age.sec,
info->ssi_signal);
if (os_snprintf_error(end - pos, ret))
break;
pos += ret;

6
src/ap/beacon.c
View file

@ -623,7 +623,7 @@ static struct hostapd_sta_info * sta_track_get(struct hostapd_iface *iface,
}
void sta_track_add(struct hostapd_iface *iface, const u8 *addr)
void sta_track_add(struct hostapd_iface *iface, const u8 *addr, int ssi_signal)
{
struct hostapd_sta_info *info;
@ -633,6 +633,7 @@ void sta_track_add(struct hostapd_iface *iface, const u8 *addr)
dl_list_del(&info->list);
dl_list_add_tail(&iface->sta_seen, &info->list);
os_get_reltime(&info->last_seen);
info->ssi_signal = ssi_signal;
return;
}
@ -642,6 +643,7 @@ void sta_track_add(struct hostapd_iface *iface, const u8 *addr)
return;
os_memcpy(info->addr, addr, ETH_ALEN);
os_get_reltime(&info->last_seen);
info->ssi_signal = ssi_signal;
if (iface->num_sta_seen >= iface->conf->track_sta_max_num) {
/* Expire oldest entry to make room for a new one */
@ -717,7 +719,7 @@ void handle_probe_req(struct hostapd_data *hapd,
return;
ie = ((const u8 *) mgmt) + IEEE80211_HDRLEN;
if (hapd->iconf->track_sta_max_num)
sta_track_add(hapd->iface, mgmt->sa);
sta_track_add(hapd->iface, mgmt->sa, ssi_signal);
ie_len = len - IEEE80211_HDRLEN;
for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++)

2
src/ap/beacon.h
View file

@ -21,7 +21,7 @@ int ieee802_11_update_beacons(struct hostapd_iface *iface);
int ieee802_11_build_ap_params(struct hostapd_data *hapd,
struct wpa_driver_ap_params *params);
void ieee802_11_free_ap_params(struct wpa_driver_ap_params *params);
void sta_track_add(struct hostapd_iface *iface, const u8 *addr);
void sta_track_add(struct hostapd_iface *iface, const u8 *addr, int ssi_signal);
void sta_track_del(struct hostapd_sta_info *info);
void sta_track_expire(struct hostapd_iface *iface, int force);
struct hostapd_data *

1
src/ap/hostapd.h
View file

@ -311,6 +311,7 @@ struct hostapd_sta_info {
struct dl_list list;
u8 addr[ETH_ALEN];
struct os_reltime last_seen;
int ssi_signal;
#ifdef CONFIG_TAXONOMY
struct wpabuf *probe_ie_taxonomy;
#endif /* CONFIG_TAXONOMY */

2
src/ap/ieee802_11.c
View file

@ -3029,7 +3029,7 @@ int ieee802_11_mgmt(struct hostapd_data *hapd, const u8 *buf, size_t len,
}
if (hapd->iconf->track_sta_max_num)
sta_track_add(hapd->iface, mgmt->sa);
sta_track_add(hapd->iface, mgmt->sa, fi->ssi_signal);
switch (stype) {
case WLAN_FC_STYPE_AUTH: