--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
-@@ -3736,6 +3736,7 @@ struct mgmt_frame_regs {
+@@ -4081,6 +4081,7 @@ struct mgmt_frame_regs {
* (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
- *
-@@ -4058,6 +4059,7 @@ struct cfg80211_ops {
+ * @rfkill_poll: polls the hw rfkill line, use cfg80211 reporting
+ * functions to adjust rfkill hw state
+@@ -4431,6 +4432,7 @@ 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);
+ void (*rfkill_poll)(struct wiphy *wiphy);
+
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
-@@ -1561,6 +1561,7 @@ enum ieee80211_smps_mode {
+@@ -1645,6 +1645,7 @@ 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
-@@ -1581,6 +1582,7 @@ enum ieee80211_smps_mode {
+@@ -1665,6 +1666,7 @@ enum ieee80211_smps_mode {
struct ieee80211_conf {
u32 flags;
int power_level, dynamic_ps_timeout;
u8 ps_dtim_period;
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
-@@ -2531,6 +2531,9 @@ enum nl80211_commands {
- * disassoc events to indicate that an immediate reconnect to the AP
- * is desired.
- *
+@@ -2749,6 +2749,9 @@ enum nl80211_commands {
+ * When used with %NL80211_CMD_FRAME_TX_STATUS, indicates the ack RX
+ * timestamp. When used with %NL80211_CMD_FRAME RX notification, indicates
+ * the incoming frame RX timestamp.
+ * @NL80211_ATTR_WIPHY_ANTENNA_GAIN: Configured antenna gain. Used to reduce
+ * transmit power to stay within regulatory limits. u32, dBi.
+ *
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
-@@ -3022,6 +3025,8 @@ enum nl80211_attrs {
-
- NL80211_ATTR_RECONNECT_REQUESTED,
+@@ -3277,6 +3280,8 @@ enum nl80211_attrs {
+ NL80211_ATTR_TX_HW_TIMESTAMP,
+ NL80211_ATTR_RX_HW_TIMESTAMP,
+ NL80211_ATTR_WIPHY_ANTENNA_GAIN,
+
__NL80211_ATTR_AFTER_LAST,
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
-@@ -2709,6 +2709,19 @@ static int ieee80211_get_tx_power(struct
+@@ -2998,6 +2998,19 @@ static int ieee80211_get_tx_power(struct
return 0;
}
+ return 0;
+}
+
- static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
- const u8 *addr)
+ static void ieee80211_rfkill_poll(struct wiphy *wiphy)
{
-@@ -4139,6 +4152,7 @@ const struct cfg80211_ops mac80211_confi
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+@@ -4881,6 +4894,7 @@ const struct cfg80211_ops mac80211_confi
.set_wiphy_params = ieee80211_set_wiphy_params,
.set_tx_power = ieee80211_set_tx_power,
.get_tx_power = ieee80211_get_tx_power,
+ .set_antenna_gain = ieee80211_set_antenna_gain,
- .set_wds_peer = ieee80211_set_wds_peer,
.rfkill_poll = ieee80211_rfkill_poll,
CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
+ CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
-@@ -1403,6 +1403,7 @@ struct ieee80211_local {
+@@ -1520,6 +1520,7 @@ struct ieee80211_local {
int dynamic_ps_forced_timeout;
int user_power_level; /* in dBm, for all interfaces */
if (local->hw.conf.power_level != power) {
changed |= IEEE80211_CONF_CHANGE_POWER;
local->hw.conf.power_level = power;
-@@ -665,6 +671,7 @@ struct ieee80211_hw *ieee80211_alloc_hw_
+@@ -762,6 +768,7 @@ 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.max_mtu = IEEE80211_MAX_DATA_LEN;
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
-@@ -737,6 +737,7 @@ static const struct nla_policy nl80211_p
- [NL80211_ATTR_S1G_CAPABILITY_MASK] =
- NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
- [NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT },
+@@ -799,6 +799,7 @@ static const struct nla_policy nl80211_p
+ [NL80211_ATTR_MLD_ADDR] = NLA_POLICY_EXACT_LEN(ETH_ALEN),
+ [NL80211_ATTR_MLO_SUPPORT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_MAX_NUM_AKM_SUITES] = { .type = NLA_REJECT },
+ [NL80211_ATTR_WIPHY_ANTENNA_GAIN] = { .type = NLA_U32 },
};
/* policy for the key attributes */
-@@ -3245,6 +3246,20 @@ static int nl80211_set_wiphy(struct sk_b
+@@ -3511,6 +3512,22 @@ static int nl80211_set_wiphy(struct sk_b
if (result)
- return result;
+ goto out;
}
+
+ if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_GAIN]) {
+ int idx, dbi = 0;
+
-+ if (!rdev->ops->set_antenna_gain)
-+ return -EOPNOTSUPP;
++ if (!rdev->ops->set_antenna_gain) {
++ result = -EOPNOTSUPP;
++ goto out;
++ }
+
+ idx = NL80211_ATTR_WIPHY_ANTENNA_GAIN;
+ dbi = nla_get_u32(info->attrs[idx]);
+
+ result = rdev->ops->set_antenna_gain(&rdev->wiphy, dbi);
+ if (result)
-+ return result;
++ goto out;
+ }
- if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
- info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
+ if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
+ struct wireless_dev *txp_wdev = wdev;