Merge tag 'wireless-next-2024-09-11' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

Kalle Valo says:

====================
wireless-next patches for v6.12

The last -next "new features" pull request for v6.12. The stack now
supports DFS on MLO but otherwise nothing really standing out.

Major changes:

cfg80211/mac80211
 * EHT rate support in AQL airtime
 * DFS support for MLO

rtw89
 * complete BT-coexistence code for RTL8852BT
 * RTL8922A WoWLAN net-detect support

* tag 'wireless-next-2024-09-11' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (105 commits)
  wifi: brcmfmac: cfg80211: Convert comma to semicolon
  wifi: rsi: Remove an unused field in struct rsi_debugfs
  wifi: libertas: Cleanup unused declarations
  wifi: wilc1000: Convert using devm_clk_get_optional_enabled() in wilc_bus_probe()
  wifi: wilc1000: Convert using devm_clk_get_optional_enabled() in wilc_sdio_probe()
  wifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param
  wifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_cmd_802_11_scan_ext()
  wifi: mac80211: use two-phase skb reclamation in ieee80211_do_stop()
  wifi: cfg80211: fix two more possible UBSAN-detected off-by-one errors
  wifi: cfg80211: fix kernel-doc for per-link data
  wifi: mt76: mt7925: replace chan config with extend txpower config for clc
  wifi: mt76: mt7925: fix a potential array-index-out-of-bounds issue for clc
  wifi: mt76: mt7615: check devm_kasprintf() returned value
  wifi: mt76: mt7925: convert comma to semicolon
  wifi: mt76: mt7925: fix a potential association failure upon resuming
  wifi: mt76: Avoid multiple -Wflex-array-member-not-at-end warnings
  wifi: mt76: mt7921: Check devm_kasprintf() returned value
  wifi: mt76: mt7915: check devm_kasprintf() returned value
  wifi: mt76: mt7915: avoid long MCU command timeouts during SER
  wifi: mt76: mt7996: fix uninitialized TLV data
  ...
====================

Link: https://patch.msgid.link/20240911084147.A205DC4AF0F@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

2 files changed, 18 insertions, 12 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 192d72c8b465..69ec1eb41a09 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -4837,9 +4837,9 @@ struct cfg80211_ops {
 	int	(*start_radar_detection)(struct wiphy *wiphy,
 					 struct net_device *dev,
 					 struct cfg80211_chan_def *chandef,
-					 u32 cac_time_ms);
+					 u32 cac_time_ms, int link_id);
 	void	(*end_cac)(struct wiphy *wiphy,
-				struct net_device *dev);
+			   struct net_device *dev, unsigned int link_id);
 	int	(*update_ft_ies)(struct wiphy *wiphy, struct net_device *dev,
 				 struct cfg80211_update_ft_ies_params *ftie);
 	int	(*crit_proto_start)(struct wiphy *wiphy,
@@ -6194,9 +6194,6 @@ enum ieee80211_ap_reg_power {
  * @address: The address for this device, valid only if @netdev is %NULL
  * @is_running: true if this is a non-netdev device that has been started, e.g.
  *	the P2P Device.
- * @cac_started: true if DFS channel availability check has been started
- * @cac_start_time: timestamp (jiffies) when the dfs state was entered.
- * @cac_time_ms: CAC time in ms
  * @ps: powersave mode is enabled
  * @ps_timeout: dynamic powersave timeout
  * @ap_unexpected_nlportid: (private) netlink port ID of application
@@ -6220,6 +6217,11 @@ enum ieee80211_ap_reg_power {
  *	unprotected beacon report
  * @links: array of %IEEE80211_MLD_MAX_NUM_LINKS elements containing @addr
  *	@ap and @client for each link
+ * @links.cac_started: true if DFS channel availability check has been
+ *	started
+ * @links.cac_start_time: timestamp (jiffies) when the dfs state was
+ *	entered.
+ * @links.cac_time_ms: CAC time in ms
  * @valid_links: bitmap describing what elements of @links are valid
  */
 struct wireless_dev {
@@ -6261,11 +6263,6 @@ struct wireless_dev {
 	u32 owner_nlportid;
 	bool nl_owner_dead;
 
-	/* FIXME: need to rework radar detection for MLO */
-	bool cac_started;
-	unsigned long cac_start_time;
-	unsigned int cac_time_ms;
-
 #ifdef CONFIG_CFG80211_WEXT
 	/* wext data */
 	struct {
@@ -6332,6 +6329,10 @@ struct wireless_dev {
 				struct cfg80211_internal_bss *current_bss;
 			} client;
 		};
+
+		bool cac_started;
+		unsigned long cac_start_time;
+		unsigned int cac_time_ms;
 	} links[IEEE80211_MLD_MAX_NUM_LINKS];
 	u16 valid_links;
 };
@@ -8740,6 +8741,7 @@ void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
  * @chandef: chandef for the current channel
  * @event: type of event
  * @gfp: context flags
+ * @link_id: valid link_id for MLO operation or 0 otherwise.
  *
  * This function is called when a Channel availability check (CAC) is finished
  * or aborted. This must be called to notify the completion of a CAC process,
@@ -8747,7 +8749,8 @@ void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
  */
 void cfg80211_cac_event(struct net_device *netdev,
 			const struct cfg80211_chan_def *chandef,
-			enum nl80211_radar_event event, gfp_t gfp);
+			enum nl80211_radar_event event, gfp_t gfp,
+			unsigned int link_id);
 
 /**
  * cfg80211_background_cac_abort - Channel Availability Check offchan abort event
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index adfec877f392..954dff901b69 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -6748,8 +6748,11 @@ void ieee80211_cqm_beacon_loss_notify(struct ieee80211_vif *vif, gfp_t gfp);
  * ieee80211_radar_detected - inform that a radar was detected
  *
  * @hw: pointer as obtained from ieee80211_alloc_hw()
+ * @chanctx_conf: Channel context on which radar is detected. Mandatory to
+ *	pass a valid pointer during MLO. For non-MLO %NULL can be passed
  */
-void ieee80211_radar_detected(struct ieee80211_hw *hw);
+void ieee80211_radar_detected(struct ieee80211_hw *hw,
+			      struct ieee80211_chanctx_conf *chanctx_conf);
 
 /**
  * ieee80211_chswitch_done - Complete channel switch process