mac80211: calculate wstats_flags on the fly
Just to make wext.c more self-contained.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index b337d7d..2b023dc 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -145,6 +145,21 @@
return -EOPNOTSUPP;
}
+static u8 ieee80211_get_wstats_flags(struct ieee80211_local *local)
+{
+ u8 wstats_flags = 0;
+
+ wstats_flags |= local->hw.flags & (IEEE80211_HW_SIGNAL_UNSPEC |
+ IEEE80211_HW_SIGNAL_DBM) ?
+ IW_QUAL_QUAL_UPDATED : IW_QUAL_QUAL_INVALID;
+ wstats_flags |= local->hw.flags & IEEE80211_HW_NOISE_DBM ?
+ IW_QUAL_NOISE_UPDATED : IW_QUAL_NOISE_INVALID;
+ if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
+ wstats_flags |= IW_QUAL_DBM;
+
+ return wstats_flags;
+}
+
static int ieee80211_ioctl_giwrange(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *data, char *extra)
@@ -187,13 +202,13 @@
range->max_qual.noise = 0;
range->max_qual.qual = 100;
- range->max_qual.updated = local->wstats_flags;
+ range->max_qual.updated = ieee80211_get_wstats_flags(local);
range->avg_qual.qual = 50;
/* not always true but better than nothing */
range->avg_qual.level = range->max_qual.level / 2;
range->avg_qual.noise = range->max_qual.noise / 2;
- range->avg_qual.updated = local->wstats_flags;
+ range->avg_qual.updated = ieee80211_get_wstats_flags(local);
range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
@@ -979,7 +994,7 @@
wstats->qual.level = sta->last_signal;
wstats->qual.qual = sta->last_qual;
wstats->qual.noise = sta->last_noise;
- wstats->qual.updated = local->wstats_flags;
+ wstats->qual.updated = ieee80211_get_wstats_flags(local);
}
rcu_read_unlock();