From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
---
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 964c7baabede..f90b003f154a 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -440,10 +440,19 @@ const static 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;
int num_mac, ret, i;
+ u32 tx_ant, rx_ant;
static const u32 mvm_ciphers[] = {
WLAN_CIPHER_SUITE_WEP40,
WLAN_CIPHER_SUITE_WEP104,
@@ -813,6 +822,10 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
wiphy_ext_feature_set(hw->wiphy,
NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER);
+ iwl_mvm_op_get_antenna(hw, &tx_ant, &rx_ant);
+ hw->wiphy->available_antennas_tx = tx_ant;
+ hw->wiphy->available_antennas_rx = rx_ant;
+
ret = ieee80211_register_hw(mvm->hw);
if (ret) {
iwl_mvm_leds_exit(mvm);
@@ -5167,6 +5180,7 @@ 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,
--
2.20.1
