iwlwifi: mvm: Report tx/rx antennas

This makes it easier for user-space to know how many antennas the
radio has.  Seems to work with the AX200 radio, at least.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 473d565..32dc9d6 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -355,6 +355,15 @@ static const struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = {
        },
 };
 
+static int
+iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
+{
+       struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+       *tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
+       *rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
+       return 0;
+}
+
 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 {
        struct ieee80211_hw *hw = mvm->hw;
@@ -734,6 +743,9 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
                wiphy_ext_feature_set(hw->wiphy,
                                      NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER);
 
+       hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm);
+       hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm);
+
        ret = ieee80211_register_hw(mvm->hw);
        if (ret) {
                iwl_mvm_leds_exit(mvm);
@@ -5028,6 +5040,7 @@ const struct ieee80211_ops iwl_mvm_hw_ops = {
        .tx = iwl_mvm_mac_tx,
        .wake_tx_queue = iwl_mvm_mac_wake_tx_queue,
        .ampdu_action = iwl_mvm_mac_ampdu_action,
+       .get_antenna = iwl_mvm_op_get_antenna,
        .start = iwl_mvm_mac_start,
        .reconfig_complete = iwl_mvm_mac_reconfig_complete,
        .stop = iwl_mvm_mac_stop,