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cfg80211: Return beacon loss count in station

Browse source 
If station info contains a beacon loss count, return
it to userspace.

Signed-off-by: Paul Stewart <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
This commit is contained in:
Paul Stewart 2011-12-09 11:01:49 -08:00 • committed by John W. Linville
commit a85e1d5597
6 changed files with 24 additions and 2 deletions
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4
net/mac80211/cfg.c
View file

@ -355,7 +355,8 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
STATION_INFO_RX_DROP_MISC |
STATION_INFO_BSS_PARAM |
STATION_INFO_CONNECTED_TIME |
STATION_INFO_STA_FLAGS;
STATION_INFO_STA_FLAGS |
STATION_INFO_BEACON_LOSS_COUNT;
do_posix_clock_monotonic_gettime(&uptime);
sinfo->connected_time = uptime.tv_sec - sta->last_connected;
@ -368,6 +369,7 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
sinfo->tx_retries = sta->tx_retry_count;
sinfo->tx_failed = sta->tx_retry_failed;
sinfo->rx_dropped_misc = sta->rx_dropped;
sinfo->beacon_loss_count = sta->beacon_loss_count;
if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
(sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {

8
net/mac80211/mlme.c
View file

@ -1381,6 +1381,14 @@ void ieee80211_beacon_connection_loss_work(struct work_struct *work)
struct ieee80211_sub_if_data *sdata =
container_of(work, struct ieee80211_sub_if_data,
u.mgd.beacon_connection_loss_work);
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct sta_info *sta;
if (ifmgd->associated) {
sta = sta_info_get(sdata, ifmgd->bssid);
if (sta)
sta->beacon_loss_count++;
}
if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)
__ieee80211_connection_loss(sdata);

2
net/mac80211/sta_info.h
View file

@ -275,6 +275,7 @@ struct sta_ampdu_mlme {
* EAP frames before association
* @sta: station information we share with the driver
* @sta_state: duplicates information about station state (for debug)
* @beacon_loss_count: number of times beacon loss has triggered
*/
struct sta_info {
/* General information, mostly static */
@ -367,6 +368,7 @@ struct sta_info {
#endif
unsigned int lost_packets;
unsigned int beacon_loss_count;
/* should be right in front of sta to be in the same cache line */
bool dummy;

3
net/wireless/nl80211.c
View file

@ -2390,6 +2390,9 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
if (sinfo->filled & STATION_INFO_TX_FAILED)
NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED,
sinfo->tx_failed);
if (sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT)
NLA_PUT_U32(msg, NL80211_STA_INFO_BEACON_LOSS,
sinfo->beacon_loss_count);
if (sinfo->filled & STATION_INFO_BSS_PARAM) {
bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
if (!bss_param)