diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2016-03-31 20:02:07 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2016-04-06 13:18:16 +0200 |
| commit | b8da6b6a99b4b0d8d464b621ba7dcbcb08172b7d (patch) | |
| tree | 706ea11b5ad9ba42d8ea9d3e83dee162e8f1443f /net/mac80211/ibss.c | |
| parent | 2df8bfd7240117b91241a01e3f50f2e83827ccab (diff) | |
| download | linux-b8da6b6a99b4b0d8d464b621ba7dcbcb08172b7d.tar.gz | |
mac80211: add separate last_ack variable
Instead of touching the rx_stats.last_rx from the status path, introduce and use a status_stats.last_ack variable. This will make rx_stats.last_rx indicate when the last frame was received, making it available for real "last_rx" and statistics gathering; statistics, when done per-CPU, will need to figure out which place was updated last for those items where the "last" value is exposed. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/ibss.c')
| -rw-r--r-- | net/mac80211/ibss.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index b3407dbe4b7d..c6d4b75eb60b 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -668,10 +668,11 @@ static int ieee80211_sta_active_ibss(struct ieee80211_sub_if_data *sdata) rcu_read_lock(); list_for_each_entry_rcu(sta, &local->sta_list, list) { + unsigned long last_active = ieee80211_sta_last_active(sta); + if (sta->sdata == sdata && - time_after(sta->rx_stats.last_rx + - IEEE80211_IBSS_MERGE_INTERVAL, - jiffies)) { + time_is_after_jiffies(last_active + + IEEE80211_IBSS_MERGE_INTERVAL)) { active++; break; } @@ -1255,11 +1256,13 @@ static void ieee80211_ibss_sta_expire(struct ieee80211_sub_if_data *sdata) mutex_lock(&local->sta_mtx); list_for_each_entry_safe(sta, tmp, &local->sta_list, list) { + unsigned long last_active = ieee80211_sta_last_active(sta); + if (sdata != sta->sdata) continue; - if (time_after(jiffies, sta->rx_stats.last_rx + exp_time) || - (time_after(jiffies, sta->rx_stats.last_rx + exp_rsn) && + if (time_is_before_jiffies(last_active + exp_time) || + (time_is_before_jiffies(last_active + exp_rsn) && sta->sta_state != IEEE80211_STA_AUTHORIZED)) { sta_dbg(sta->sdata, "expiring inactive %sSTA %pM\n", sta->sta_state != IEEE80211_STA_AUTHORIZED ? |