diff options
| -rw-r--r-- | net/mac80211/ieee80211.c | 7 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_ioctl.c | 34 |
2 files changed, 39 insertions, 2 deletions
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c index 4229d150e78..23853331e8d 100644 --- a/net/mac80211/ieee80211.c +++ b/net/mac80211/ieee80211.c @@ -704,7 +704,12 @@ int ieee80211_hw_config(struct ieee80211_local *local) local->hw.conf.channel = chan->chan; local->hw.conf.channel_val = chan->val; - local->hw.conf.power_level = chan->power_level; + if (!local->hw.conf.power_level) { + local->hw.conf.power_level = chan->power_level; + } else { + local->hw.conf.power_level = min(chan->power_level, + local->hw.conf.power_level); + } local->hw.conf.freq = chan->freq; local->hw.conf.phymode = mode->mode; local->hw.conf.antenna_max = chan->antenna_max; diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c index 6ccdde82bde..b4cce441d7e 100644 --- a/net/mac80211/ieee80211_ioctl.c +++ b/net/mac80211/ieee80211_ioctl.c @@ -666,6 +666,38 @@ static int ieee80211_ioctl_giwrate(struct net_device *dev, return 0; } +static int ieee80211_ioctl_siwtxpower(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *data, char *extra) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + bool need_reconfig = 0; + + if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) + return -EINVAL; + if (data->txpower.flags & IW_TXPOW_RANGE) + return -EINVAL; + if (!data->txpower.fixed) + return -EINVAL; + + if (local->hw.conf.power_level != data->txpower.value) { + local->hw.conf.power_level = data->txpower.value; + need_reconfig = 1; + } + if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) { + local->hw.conf.radio_enabled = !(data->txpower.disabled); + need_reconfig = 1; + } + if (need_reconfig) { + ieee80211_hw_config(local); + /* The return value of hw_config is not of big interest here, + * as it doesn't say that it failed because of _this_ config + * change or something else. Ignore it. */ + } + + return 0; +} + static int ieee80211_ioctl_giwtxpower(struct net_device *dev, struct iw_request_info *info, union iwreq_data *data, char *extra) @@ -1339,7 +1371,7 @@ static const iw_handler ieee80211_handler[] = (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */ (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */ (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */ - (iw_handler) NULL, /* SIOCSIWTXPOW */ + (iw_handler) ieee80211_ioctl_siwtxpower, /* SIOCSIWTXPOW */ (iw_handler) ieee80211_ioctl_giwtxpower, /* SIOCGIWTXPOW */ (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */ (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */ |