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 <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Johannes Berg <[email protected]>

1 files changed, 6 insertions, 6 deletions

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 2d46d4af60d7..d526f2fe9fe5 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3181,7 +3181,7 @@ static void ieee80211_enable_ps(struct ieee80211_local *local,
 			return;
 
 		conf->flags |= IEEE80211_CONF_PS;
-		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
+		ieee80211_hw_config(local, -1, IEEE80211_CONF_CHANGE_PS);
 	}
 }
 
@@ -3193,7 +3193,7 @@ static void ieee80211_change_ps(struct ieee80211_local *local)
 		ieee80211_enable_ps(local, local->ps_sdata);
 	} else if (conf->flags & IEEE80211_CONF_PS) {
 		conf->flags &= ~IEEE80211_CONF_PS;
-		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
+		ieee80211_hw_config(local, -1, IEEE80211_CONF_CHANGE_PS);
 		timer_delete_sync(&local->dynamic_ps_timer);
 		wiphy_work_cancel(local->hw.wiphy,
 				  &local->dynamic_ps_enable_work);
@@ -3302,7 +3302,7 @@ void ieee80211_dynamic_ps_disable_work(struct wiphy *wiphy,
 
 	if (local->hw.conf.flags & IEEE80211_CONF_PS) {
 		local->hw.conf.flags &= ~IEEE80211_CONF_PS;
-		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
+		ieee80211_hw_config(local, -1, IEEE80211_CONF_CHANGE_PS);
 	}
 
 	ieee80211_wake_queues_by_reason(&local->hw,
@@ -3377,7 +3377,7 @@ void ieee80211_dynamic_ps_enable_work(struct wiphy *wiphy,
 	    (ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)) {
 		ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
 		local->hw.conf.flags |= IEEE80211_CONF_PS;
-		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
+		ieee80211_hw_config(local, -1, IEEE80211_CONF_CHANGE_PS);
 	}
 }
 
@@ -3986,7 +3986,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 	 */
 	if (local->hw.conf.flags & IEEE80211_CONF_PS) {
 		local->hw.conf.flags &= ~IEEE80211_CONF_PS;
-		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
+		ieee80211_hw_config(local, -1, IEEE80211_CONF_CHANGE_PS);
 	}
 	local->ps_sdata = NULL;
 
@@ -7340,7 +7340,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_link_data *link,
 		if (local->hw.conf.dynamic_ps_timeout > 0) {
 			if (local->hw.conf.flags & IEEE80211_CONF_PS) {
 				local->hw.conf.flags &= ~IEEE80211_CONF_PS;
-				ieee80211_hw_config(local,
+				ieee80211_hw_config(local, -1,
 						    IEEE80211_CONF_CHANGE_PS);
 			}
 			ieee80211_send_nullfunc(local, sdata, false);