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>

5 files changed, 20 insertions, 11 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/agn.h b/drivers/net/wireless/intel/iwlwifi/dvm/agn.h
index 1ebc7effcc2a..b39bf401567f 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/agn.h
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/agn.h
@@ -88,7 +88,7 @@ void iwl_connection_init_rx_config(struct iwl_priv *priv,
 int iwlagn_set_pan_params(struct iwl_priv *priv);
 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
-int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
+int iwlagn_mac_config(struct ieee80211_hw *hw, int radio_idx, u32 changed);
 void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 			     struct ieee80211_vif *vif,
 			     struct ieee80211_bss_conf *bss_conf,
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/rxon.c b/drivers/net/wireless/intel/iwlwifi/dvm/rxon.c
index 2d3c1627f283..e08e44cae434 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/rxon.c
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/rxon.c
@@ -1149,7 +1149,7 @@ void iwlagn_config_ht40(struct ieee80211_conf *conf,
 	}
 }
 
-int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
+int iwlagn_mac_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)
 {
 	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
 	struct iwl_rxon_context *ctx;
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mld/mac80211.c
index 4ba050397632..76e7e3fa2d13 100644
--- a/drivers/net/wireless/intel/iwlwifi/mld/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mld/mac80211.c
@@ -574,7 +574,8 @@ void iwl_mld_mac80211_stop(struct ieee80211_hw *hw, bool suspend)
 }
 
 static
-int iwl_mld_mac80211_config(struct ieee80211_hw *hw, u32 changed)
+int iwl_mld_mac80211_config(struct ieee80211_hw *hw, int radio_idx,
+			    u32 changed)
 {
 	return 0;
 }
@@ -1102,7 +1103,8 @@ void iwl_mld_unassign_vif_chanctx(struct ieee80211_hw *hw,
 }
 
 static
-int iwl_mld_mac80211_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+int iwl_mld_mac80211_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx,
+				       u32 value)
 {
 	return 0;
 }
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 956b491ae5a4..619d822efa5b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -298,7 +298,8 @@ static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = {
 	},
 };
 
-int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
+int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, int radio_idx,
+			   u32 *tx_ant, u32 *rx_ant)
 {
 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 	*tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
@@ -306,7 +307,8 @@ int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
 	return 0;
 }
 
-int iwl_mvm_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
+int iwl_mvm_op_set_antenna(struct ieee80211_hw *hw, int radio_idx, u32 tx_ant,
+			   u32 rx_ant)
 {
 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 
@@ -4249,7 +4251,8 @@ int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw,
 	return ret;
 }
 
-int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx,
+				  u32 value)
 {
 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index a4f412e750d0..5c8eaf1eacff 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -2866,13 +2866,16 @@ void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw,
 int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
 			     struct ieee80211_vif *vif,
 			     struct ieee80211_ampdu_params *params);
-int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant);
-int iwl_mvm_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant);
+int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, int radio_idx, u32 *tx_ant,
+			   u32 *rx_ant);
+int iwl_mvm_op_set_antenna(struct ieee80211_hw *hw, int radio_idx, u32 tx_ant,
+			   u32 rx_ant);
 int iwl_mvm_mac_start(struct ieee80211_hw *hw);
 void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw,
 				   enum ieee80211_reconfig_type reconfig_type);
 void iwl_mvm_mac_stop(struct ieee80211_hw *hw, bool suspend);
-static inline int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
+static inline int iwl_mvm_mac_config(struct ieee80211_hw *hw, int radio_idx,
+				     u32 changed)
 {
 	return 0;
 }
@@ -2905,7 +2908,8 @@ iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
 				    int num_frames,
 				    enum ieee80211_frame_release_type reason,
 				    bool more_data);
-int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value);
+int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx,
+				  u32 value);
 void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			   struct ieee80211_link_sta *link_sta, u32 changed);
 void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,