diff options
Diffstat (limited to 'net/mac80211/wext.c')
| -rw-r--r-- | net/mac80211/wext.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c index 8a76a979bc92..a8d4b6171916 100644 --- a/net/mac80211/wext.c +++ b/net/mac80211/wext.c @@ -200,10 +200,24 @@ static int ieee80211_ioctl_giwrange(struct net_device *dev, else range->max_qual.noise = 0; - range->max_qual.qual = 100; range->max_qual.updated = ieee80211_get_wstats_flags(local); - range->avg_qual.qual = 50; + if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) { + /* + * cfg80211 assumes -110 to -40 dBm and clamps to that range + * for qual.qual, so tell userspace this is what we give it + * but take into account that we have to start from 0. + */ + range->max_qual.qual = 70; + range->avg_qual.qual = 35; + } else { + /* + * cfg80211 just uses the level value for qual too, and it + * requires the level value to be 0 .. 100. + */ + range->max_qual.qual = 100; + 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; |