wifi: cfg80211/mac80211: Add support to get radio index

Currently, per-radio attributes are set on per-phy basis, i.e., all the
radios present in a wiphy will take attributes values sent from user. But
each radio in a wiphy can get different values from userspace based on
its requirement.

To extend support to set per-radio attributes, add support to get radio
index from userspace. Add an NL attribute - NL80211_ATTR_WIPHY_RADIO_INDEX,
to get user specified radio index for which attributes should be changed.
Pass this to individual drivers, so that the drivers can use this radio
index to change per-radio attributes when necessary. Currently, per-radio
attributes identified are:
NL80211_ATTR_WIPHY_TX_POWER_LEVEL
NL80211_ATTR_WIPHY_ANTENNA_TX
NL80211_ATTR_WIPHY_ANTENNA_RX
NL80211_ATTR_WIPHY_RETRY_SHORT
NL80211_ATTR_WIPHY_RETRY_LONG
NL80211_ATTR_WIPHY_FRAG_THRESHOLD
NL80211_ATTR_WIPHY_RTS_THRESHOLD
NL80211_ATTR_WIPHY_COVERAGE_CLASS
NL80211_ATTR_TXQ_LIMIT
NL80211_ATTR_TXQ_MEMORY_LIMIT
NL80211_ATTR_TXQ_QUANTUM

By default, the radio index is set to -1. This means the attribute should
be treated as a global configuration. If the user has not specified any
index, then the radio index passed to individual drivers would be -1. This
would indicate that the attribute applies to all radios in that wiphy.

Signed-off-by: Roopni Devanathan <quic_rdevanat@quicinc.com>
Link: https://patch.msgid.link/20250615082312.619639-2-quic_rdevanat@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

4 files changed, 15 insertions, 9 deletions

diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index fe3a8f4a1cc1..52163c2bfe7a 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -2606,7 +2606,7 @@ static void ath10k_core_set_coverage_class_work(struct work_struct *work)
 					 set_coverage_class_work);
 
 	if (ar->hw_params.hw_ops->set_coverage_class)
-		ar->hw_params.hw_ops->set_coverage_class(ar, -1);
+		ar->hw_params.hw_ops->set_coverage_class(ar, -1, -1);
 }
 
 static int ath10k_core_init_firmware_features(struct ath10k *ar)
diff --git a/drivers/net/wireless/ath/ath10k/hw.c b/drivers/net/wireless/ath/ath10k/hw.c
index 84b35a22fc23..59b6cebfdd8f 100644
--- a/drivers/net/wireless/ath/ath10k/hw.c
+++ b/drivers/net/wireless/ath/ath10k/hw.c
@@ -590,6 +590,7 @@ void ath10k_hw_fill_survey_time(struct ath10k *ar, struct survey_info *survey,
  * function monitors and modifies the corresponding MAC registers.
  */
 static void ath10k_hw_qca988x_set_coverage_class(struct ath10k *ar,
+						 int radio_idx,
 						 s16 value)
 {
 	u32 slottime_reg;
diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h
index 7ffa1fbe2874..fec56b916497 100644
--- a/drivers/net/wireless/ath/ath10k/hw.h
+++ b/drivers/net/wireless/ath/ath10k/hw.h
@@ -646,7 +646,7 @@ struct htt_rx_ring_rx_desc_offsets;
 
 /* Defines needed for Rx descriptor abstraction */
 struct ath10k_hw_ops {
-	void (*set_coverage_class)(struct ath10k *ar, s16 value);
+	void (*set_coverage_class)(struct ath10k *ar, int radio_idx, s16 value);
 	int (*enable_pll_clk)(struct ath10k *ar);
 	int (*tx_data_rssi_pad_bytes)(struct htt_resp *htt);
 	int (*is_rssi_enable)(struct htt_resp *resp);
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 07fe05384cdf..590d7a8dd399 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -4820,7 +4820,8 @@ void ath10k_halt(struct ath10k *ar)
 	spin_unlock_bh(&ar->data_lock);
 }
 
-static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
+static int ath10k_get_antenna(struct ieee80211_hw *hw, int radio_idx,
+			      u32 *tx_ant, u32 *rx_ant)
 {
 	struct ath10k *ar = hw->priv;
 
@@ -5067,7 +5068,8 @@ static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant)
 	return 0;
 }
 
-static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
+static int ath10k_set_antenna(struct ieee80211_hw *hw, int radio_idx,
+			      u32 tx_ant, u32 rx_ant)
 {
 	struct ath10k *ar = hw->priv;
 	int ret;
@@ -5437,7 +5439,7 @@ static int ath10k_config_ps(struct ath10k *ar)
 	return ret;
 }
 
-static int ath10k_config(struct ieee80211_hw *hw, u32 changed)
+static int ath10k_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)
 {
 	struct ath10k *ar = hw->priv;
 	struct ieee80211_conf *conf = &hw->conf;
@@ -6336,7 +6338,8 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
 	mutex_unlock(&ar->conf_mutex);
 }
 
-static void ath10k_mac_op_set_coverage_class(struct ieee80211_hw *hw, s16 value)
+static void ath10k_mac_op_set_coverage_class(struct ieee80211_hw *hw, int radio_idx,
+					     s16 value)
 {
 	struct ath10k *ar = hw->priv;
 
@@ -6347,7 +6350,7 @@ static void ath10k_mac_op_set_coverage_class(struct ieee80211_hw *hw, s16 value)
 		WARN_ON_ONCE(1);
 		return;
 	}
-	ar->hw_params.hw_ops->set_coverage_class(ar, value);
+	ar->hw_params.hw_ops->set_coverage_class(ar, -1, value);
 }
 
 struct ath10k_mac_tdls_iter_data {
@@ -8035,7 +8038,8 @@ static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw,
  * in ath10k, but device-specific in mac80211.
  */
 
-static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx,
+				    u32 value)
 {
 	struct ath10k *ar = hw->priv;
 	struct ath10k_vif *arvif;
@@ -8058,7 +8062,8 @@ static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
 	return ret;
 }
 
-static int ath10k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
+static int ath10k_mac_op_set_frag_threshold(struct ieee80211_hw *hw,
+					    int radio_idx, u32 value)
 {
 	/* Even though there's a WMI enum for fragmentation threshold no known
 	 * firmware actually implements it. Moreover it is not possible to rely