diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/wireless/nl80211.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 64f191244c67..0524a6fb84ad 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -331,6 +331,11 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { .len = NL80211_MAX_SUPP_RATES }, [NL80211_ATTR_STA_PLINK_ACTION] = NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1), + [NL80211_ATTR_STA_TX_POWER_SETTING] = + NLA_POLICY_RANGE(NLA_U8, + NL80211_TX_POWER_AUTOMATIC, + NL80211_TX_POWER_FIXED), + [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 }, [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, @@ -5420,6 +5425,36 @@ static int nl80211_set_station_tdls(struct genl_info *info, return nl80211_parse_sta_wme(info, params); } +static int nl80211_parse_sta_txpower_setting(struct genl_info *info, + struct station_parameters *params) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + int idx; + + if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) { + if (!rdev->ops->set_tx_power || + !wiphy_ext_feature_isset(&rdev->wiphy, + NL80211_EXT_FEATURE_STA_TX_PWR)) + return -EOPNOTSUPP; + + idx = NL80211_ATTR_STA_TX_POWER_SETTING; + params->txpwr.type = nla_get_u8(info->attrs[idx]); + + if (params->txpwr.type == NL80211_TX_POWER_LIMITED) { + idx = NL80211_ATTR_STA_TX_POWER; + + if (info->attrs[idx]) + params->txpwr.power = + nla_get_s16(info->attrs[idx]); + else + return -EINVAL; + } + params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER; + } + + return 0; +} + static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; @@ -5513,6 +5548,10 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) NL80211_EXT_FEATURE_AIRTIME_FAIRNESS)) return -EOPNOTSUPP; + err = nl80211_parse_sta_txpower_setting(info, ¶ms); + if (err) + return err; + /* Include parameters for TDLS peer (will check later) */ err = nl80211_set_station_tdls(info, ¶ms); if (err) @@ -5650,6 +5689,10 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) NL80211_EXT_FEATURE_AIRTIME_FAIRNESS)) return -EOPNOTSUPP; + err = nl80211_parse_sta_txpower_setting(info, ¶ms); + if (err) + return err; + err = nl80211_parse_sta_channel_info(info, ¶ms); if (err) return err; |