+--- a/include/net/cfg80211.h
++++ b/include/net/cfg80211.h
+@@ -2081,6 +2081,7 @@ struct cfg80211_update_ft_ies_params {
+ * (as advertised by the nl80211 feature flag.)
+ * @get_tx_power: store the current TX power into the dbm variable;
+ * return 0 if successful
++ * @set_antenna_gain: set antenna gain to reduce maximum tx power if necessary
+ *
+ * @set_wds_peer: set the WDS peer for a WDS interface
+ *
+@@ -2303,6 +2304,7 @@ struct cfg80211_ops {
+ enum nl80211_tx_power_setting type, int mbm);
+ int (*get_tx_power)(struct wiphy *wiphy, struct wireless_dev *wdev,
+ int *dbm);
++ int (*set_antenna_gain)(struct wiphy *wiphy, int dbi);
+
+ int (*set_wds_peer)(struct wiphy *wiphy, struct net_device *dev,
+ const u8 *addr);
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
-@@ -1002,6 +1002,7 @@ enum ieee80211_smps_mode {
+@@ -1029,6 +1029,7 @@ enum ieee80211_smps_mode {
*
* @power_level: requested transmit power (in dBm), backward compatibility
* value only that is set to the minimum of all interfaces
*
* @chandef: the channel definition to tune to
* @radar_enabled: whether radar detection is enabled
-@@ -1023,6 +1024,7 @@ struct ieee80211_conf {
+@@ -1050,6 +1051,7 @@ struct ieee80211_conf {
u32 flags;
int power_level, dynamic_ps_timeout;
int max_sleep_period;
u16 listen_interval;
u8 ps_dtim_period;
---- a/net/mac80211/ieee80211_i.h
-+++ b/net/mac80211/ieee80211_i.h
-@@ -1130,6 +1130,7 @@ struct ieee80211_local {
- int dynamic_ps_forced_timeout;
-
- int user_power_level; /* in dBm, for all interfaces */
-+ int user_antenna_gain; /* in dBi */
-
- enum ieee80211_smps_mode smps_mode;
-
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
-@@ -1460,6 +1460,9 @@ enum nl80211_commands {
- * @NL80211_ATTR_CSA_C_OFF_PRESP: Offset of the channel switch counter
- * field in the probe response (%NL80211_ATTR_PROBE_RESP).
+@@ -1511,6 +1511,9 @@ enum nl80211_commands {
+ * @NL80211_ATTR_SUPPORT_5_10_MHZ: A flag indicating that the device supports
+ * 5 MHz and 10 MHz channel bandwidth.
*
+ * @NL80211_ATTR_WIPHY_ANTENNA_GAIN: Configured antenna gain. Used to reduce
-+ * transmit power to stay within regulatory limits.
++ * transmit power to stay within regulatory limits. u32, dBi.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
-@@ -1766,6 +1769,8 @@ enum nl80211_attrs {
- NL80211_ATTR_CSA_C_OFF_BEACON,
- NL80211_ATTR_CSA_C_OFF_PRESP,
+@@ -1829,6 +1832,8 @@ enum nl80211_attrs {
+
+ NL80211_ATTR_SUPPORT_5_10_MHZ,
+ NL80211_ATTR_WIPHY_ANTENNA_GAIN,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
---- a/net/wireless/nl80211.c
-+++ b/net/wireless/nl80211.c
-@@ -354,6 +354,7 @@ static const struct nla_policy nl80211_p
- [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
- [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_U16 },
- [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_U16 },
-+ [NL80211_ATTR_WIPHY_ANTENNA_GAIN] = { .type = NLA_U32 },
- };
-
- /* policy for the key attributes */
-@@ -2000,6 +2001,22 @@ static int nl80211_set_wiphy(struct sk_b
- goto bad_res;
- }
-
-+ if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_GAIN]) {
-+ int idx, dbi = 0;
-+
-+ if (!rdev->ops->set_antenna_gain) {
-+ result = -EOPNOTSUPP;
-+ goto bad_res;
-+ }
-+
-+ idx = NL80211_ATTR_WIPHY_ANTENNA_GAIN;
-+ dbi = nla_get_u32(info->attrs[idx]);
-+
-+ result = rdev->ops->set_antenna_gain(&rdev->wiphy, dbi);
-+ if (result)
-+ goto bad_res;
-+ }
-+
- if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
- info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
- u32 tx_ant, rx_ant;
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
-@@ -2293,6 +2293,19 @@ static int ieee80211_get_tx_power(struct
+@@ -2304,6 +2304,19 @@ static int ieee80211_get_tx_power(struct
return 0;
}
static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
const u8 *addr)
{
-@@ -3656,6 +3669,7 @@ struct cfg80211_ops mac80211_config_ops
+@@ -3839,6 +3852,7 @@ struct cfg80211_ops mac80211_config_ops
.set_wiphy_params = ieee80211_set_wiphy_params,
.set_tx_power = ieee80211_set_tx_power,
.get_tx_power = ieee80211_get_tx_power,
.set_wds_peer = ieee80211_set_wds_peer,
.rfkill_poll = ieee80211_rfkill_poll,
CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
---- a/include/net/cfg80211.h
-+++ b/include/net/cfg80211.h
-@@ -1994,6 +1994,7 @@ struct cfg80211_update_ft_ies_params {
- * (as advertised by the nl80211 feature flag.)
- * @get_tx_power: store the current TX power into the dbm variable;
- * return 0 if successful
-+ * @set_antenna_gain: set antenna gain to reduce maximum tx power if necessary
- *
- * @set_wds_peer: set the WDS peer for a WDS interface
- *
-@@ -2215,6 +2216,7 @@ struct cfg80211_ops {
- enum nl80211_tx_power_setting type, int mbm);
- int (*get_tx_power)(struct wiphy *wiphy, struct wireless_dev *wdev,
- int *dbm);
-+ int (*set_antenna_gain)(struct wiphy *wiphy, int dbi);
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -1179,6 +1179,7 @@ struct ieee80211_local {
+ int dynamic_ps_forced_timeout;
+
+ int user_power_level; /* in dBm, for all interfaces */
++ int user_antenna_gain; /* in dBi */
+
+ enum ieee80211_smps_mode smps_mode;
- int (*set_wds_peer)(struct wiphy *wiphy, struct net_device *dev,
- const u8 *addr);
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
-@@ -102,6 +102,7 @@ static u32 ieee80211_hw_conf_chan(struct
+@@ -101,7 +101,7 @@ static u32 ieee80211_hw_conf_chan(struct
+ struct ieee80211_sub_if_data *sdata;
struct cfg80211_chan_def chandef = {};
u32 changed = 0;
- int power = 0;
-+ int ant_gain, max_power;
+- int power;
++ int power, ant_gain, max_power;
u32 offchannel_flag;
offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
-@@ -165,8 +166,21 @@ static u32 ieee80211_hw_conf_chan(struct
-
- power = min(power, chandef.chan->max_power);
+@@ -156,8 +156,21 @@ static u32 ieee80211_hw_conf_chan(struct
+ }
+ rcu_read_unlock();
- if (local->hw.conf.power_level != power) {
+ max_power = chandef.chan->max_reg_power;
+ }
+
+ if (local->hw.conf.power_level != power ||
-+ local->hw.conf.max_antenna_gain != ant_gain) {
++ local->hw.conf.max_antenna_gain != ant_gain) {
changed |= IEEE80211_CONF_CHANGE_POWER;
+ local->hw.conf.max_antenna_gain = ant_gain;
local->hw.cur_power_level = power;
local->hw.conf.power_level = power;
}
-@@ -597,6 +611,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(
+@@ -588,6 +601,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(
IEEE80211_RADIOTAP_MCS_HAVE_BW;
local->hw.radiotap_vht_details = IEEE80211_RADIOTAP_VHT_KNOWN_GI |
IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH;
local->hw.uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES;
local->hw.uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN;
local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -357,6 +357,7 @@ static const struct nla_policy nl80211_p
+ [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
+ [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
+ [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
++ [NL80211_ATTR_WIPHY_ANTENNA_GAIN] = { .type = NLA_U32 },
+ };
+
+ /* policy for the key attributes */
+@@ -2038,6 +2039,22 @@ static int nl80211_set_wiphy(struct sk_b
+ goto bad_res;
+ }
+
++ if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_GAIN]) {
++ int idx, dbi = 0;
++
++ if (!rdev->ops->set_antenna_gain) {
++ result = -EOPNOTSUPP;
++ goto bad_res;
++ }
++
++ idx = NL80211_ATTR_WIPHY_ANTENNA_GAIN;
++ dbi = nla_get_u32(info->attrs[idx]);
++
++ result = rdev->ops->set_antenna_gain(&rdev->wiphy, dbi);
++ if (result)
++ goto bad_res;
++ }
++
+ if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
+ info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
+ u32 tx_ant, rx_ant;
projects / openwrt.git / blobdiff