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>

3 files changed, 16 insertions, 9 deletions

diff --git a/drivers/net/wireless/marvell/libertas_tf/main.c b/drivers/net/wireless/marvell/libertas_tf/main.c
index 50c0f6179e2d..d1067874428f 100644
--- a/drivers/net/wireless/marvell/libertas_tf/main.c
+++ b/drivers/net/wireless/marvell/libertas_tf/main.c
@@ -337,7 +337,7 @@ static void lbtf_op_remove_interface(struct ieee80211_hw *hw,
 	lbtf_deb_leave(LBTF_DEB_MACOPS);
 }
 
-static int lbtf_op_config(struct ieee80211_hw *hw, u32 changed)
+static int lbtf_op_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)
 {
 	struct lbtf_private *priv = hw->priv;
 	struct ieee80211_conf *conf = &hw->conf;
diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
index 60c12328c2f3..286378770e9e 100644
--- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
@@ -375,6 +375,7 @@ mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
 static int
 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
 			      struct wireless_dev *wdev,
+			      int radio_idx,
 			      enum nl80211_tx_power_setting type,
 			      int mbm)
 {
@@ -410,6 +411,7 @@ mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
 static int
 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy,
 			      struct wireless_dev *wdev,
+			      int radio_idx,
 			      unsigned int link_id, int *dbm)
 {
 	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
@@ -737,7 +739,8 @@ mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
  * Fragmentation threshold of the driver.
  */
 static int
-mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
+mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, int radio_idx,
+				  u32 changed)
 {
 	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
 	struct mwifiex_private *priv;
@@ -1939,7 +1942,8 @@ mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
 }
 
 static int
-mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
+mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, int radio_idx, u32 tx_ant,
+			     u32 rx_ant)
 {
 	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
 	struct mwifiex_private *priv = mwifiex_get_priv(adapter,
@@ -2002,7 +2006,8 @@ mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
 }
 
 static int
-mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
+mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, int radio_idx, u32 *tx_ant,
+			     u32 *rx_ant)
 {
 	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
 	struct mwifiex_private *priv = mwifiex_get_priv(adapter,
diff --git a/drivers/net/wireless/marvell/mwl8k.c b/drivers/net/wireless/marvell/mwl8k.c
index bab9ef37a1ab..bc34a025acd6 100644
--- a/drivers/net/wireless/marvell/mwl8k.c
+++ b/drivers/net/wireless/marvell/mwl8k.c
@@ -3369,7 +3369,8 @@ struct mwl8k_cmd_set_rts_threshold {
 } __packed;
 
 static int
-mwl8k_cmd_set_rts_threshold(struct ieee80211_hw *hw, int rts_thresh)
+mwl8k_cmd_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx,
+			    int rts_thresh)
 {
 	struct mwl8k_cmd_set_rts_threshold *cmd;
 	int rc;
@@ -4955,7 +4956,7 @@ fail:
 	wiphy_err(hw->wiphy, "Firmware restart failed\n");
 }
 
-static int mwl8k_config(struct ieee80211_hw *hw, u32 changed)
+static int mwl8k_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)
 {
 	struct ieee80211_conf *conf = &hw->conf;
 	struct mwl8k_priv *priv = hw->priv;
@@ -5321,9 +5322,10 @@ static void mwl8k_configure_filter(struct ieee80211_hw *hw,
 	mwl8k_fw_unlock(hw);
 }
 
-static int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+static int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx,
+				   u32 value)
 {
-	return mwl8k_cmd_set_rts_threshold(hw, value);
+	return mwl8k_cmd_set_rts_threshold(hw, radio_idx, value);
 }
 
 static int mwl8k_sta_remove(struct ieee80211_hw *hw,
@@ -6056,7 +6058,7 @@ static int mwl8k_reload_firmware(struct ieee80211_hw *hw, char *fw_image)
 	if (rc)
 		goto fail;
 
-	rc = mwl8k_config(hw, ~0);
+	rc = mwl8k_config(hw, -1, ~0);
 	if (rc)
 		goto fail;