wifi: mac80211: split bss_info_changed method

Split the bss_info_changed method to vif_cfg_changed and
link_info_changed, with the latter getting a link ID.
Also change the 'changed' parameter to u64 already, we
know we need that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 25 insertions, 3 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 1520922d21a5..17b6eb426356 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -273,8 +273,8 @@ struct ieee80211_vif_chanctx_switch {
 /**
  * enum ieee80211_bss_change - BSS change notification flags
  *
- * These flags are used with the bss_info_changed() callback
- * to indicate which BSS parameter changed.
+ * These flags are used with the bss_info_changed(), link_info_changed()
+ * and vif_cfg_changed() callbacks to indicate which parameter(s) changed.
  *
  * @BSS_CHANGED_ASSOC: association status changed (associated/disassociated),
  *	also implies a change in the AID.
@@ -3524,6 +3524,22 @@ struct ieee80211_prep_tx_info {
  *	for association indication. The @changed parameter indicates which
  *	of the bss parameters has changed when a call is made. The callback
  *	can sleep.
+ *	Note: this callback is called if @vif_cfg_changed or @link_info_changed
+ *	are not implemented.
+ *
+ * @vif_cfg_changed: Handler for configuration requests related to interface
+ *	(MLD) parameters from &struct ieee80211_vif_cfg that vary during the
+ *	lifetime of the interface (e.g. assoc status, IP addresses, etc.)
+ *	The @changed parameter indicates which value changed.
+ *	The callback can sleep.
+ *
+ * @link_info_changed: Handler for configuration requests related to link
+ *	parameters from &struct ieee80211_bss_conf that are related to an
+ *	individual link. e.g. legacy/HT/VHT/... rate information.
+ *	The @changed parameter indicates which value changed, and the @link_id
+ *	parameter indicates the link ID. Note that the @link_id will be 0 for
+ *	non-MLO connections.
+ *	The callback can sleep.
  *
  * @prepare_multicast: Prepare for multicast filter configuration.
  *	This callback is optional, and its return value is passed
@@ -4032,7 +4048,13 @@ struct ieee80211_ops {
 	void (*bss_info_changed)(struct ieee80211_hw *hw,
 				 struct ieee80211_vif *vif,
 				 struct ieee80211_bss_conf *info,
-				 u32 changed);
+				 u64 changed);
+	void (*vif_cfg_changed)(struct ieee80211_hw *hw,
+				struct ieee80211_vif *vif,
+				u64 changed);
+	void (*link_info_changed)(struct ieee80211_hw *hw,
+				  struct ieee80211_vif *vif,
+				  unsigned int link_id, u64 changed);
 
 	int (*start_ap)(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
 	void (*stop_ap)(struct ieee80211_hw *hw, struct ieee80211_vif *vif);