Merging upstream version 6.9.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 141 insertions, 22 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index df9b578e58..2d7f87bc53 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -7,7 +7,7 @@
  * Copyright 2007-2010	Johannes Berg <johannes@sipsolutions.net>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright (C) 2015 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2023 Intel Corporation
+ * Copyright (C) 2018 - 2024 Intel Corporation
  */
 
 #ifndef MAC80211_H
@@ -214,6 +214,10 @@ struct ieee80211_low_level_stats {
  * @IEEE80211_CHANCTX_CHANGE_CHANNEL: switched to another operating channel,
  *	this is used only with channel switching with CSA
  * @IEEE80211_CHANCTX_CHANGE_MIN_WIDTH: The min required channel width changed
+ * @IEEE80211_CHANCTX_CHANGE_AP: The AP channel definition changed, so (wider
+ *	bandwidth) OFDMA settings need to be changed
+ * @IEEE80211_CHANCTX_CHANGE_PUNCTURING: The punctured channel(s) bitmap
+ *	was changed.
  */
 enum ieee80211_chanctx_change {
 	IEEE80211_CHANCTX_CHANGE_WIDTH		= BIT(0),
@@ -221,6 +225,19 @@ enum ieee80211_chanctx_change {
 	IEEE80211_CHANCTX_CHANGE_RADAR		= BIT(2),
 	IEEE80211_CHANCTX_CHANGE_CHANNEL	= BIT(3),
 	IEEE80211_CHANCTX_CHANGE_MIN_WIDTH	= BIT(4),
+	IEEE80211_CHANCTX_CHANGE_AP		= BIT(5),
+	IEEE80211_CHANCTX_CHANGE_PUNCTURING	= BIT(6),
+};
+
+/**
+ * struct ieee80211_chan_req - A channel "request"
+ * @oper: channel definition to use for operation
+ * @ap: the channel definition of the AP, if any
+ *	(otherwise the chan member is %NULL)
+ */
+struct ieee80211_chan_req {
+	struct cfg80211_chan_def oper;
+	struct cfg80211_chan_def ap;
 };
 
 /**
@@ -231,6 +248,8 @@ enum ieee80211_chanctx_change {
  *
  * @def: the channel definition
  * @min_def: the minimum channel definition currently required.
+ * @ap: the channel definition the AP actually is operating as,
+ *	for use with (wider bandwidth) OFDMA
  * @rx_chains_static: The number of RX chains that must always be
  *	active on the channel to receive MIMO transmissions
  * @rx_chains_dynamic: The number of RX chains that must be enabled
@@ -243,6 +262,7 @@ enum ieee80211_chanctx_change {
 struct ieee80211_chanctx_conf {
 	struct cfg80211_chan_def def;
 	struct cfg80211_chan_def min_def;
+	struct cfg80211_chan_def ap;
 
 	u8 rx_chains_static, rx_chains_dynamic;
 
@@ -340,8 +360,8 @@ struct ieee80211_vif_chanctx_switch {
  * @BSS_CHANGED_FILS_DISCOVERY: FILS discovery status changed.
  * @BSS_CHANGED_UNSOL_BCAST_PROBE_RESP: Unsolicited broadcast probe response
  *	status changed.
- * @BSS_CHANGED_EHT_PUNCTURING: The channel puncturing bitmap changed.
  * @BSS_CHANGED_MLD_VALID_LINKS: MLD valid links status changed.
+ * @BSS_CHANGED_MLD_TTLM: TID to link mapping was changed
  */
 enum ieee80211_bss_change {
 	BSS_CHANGED_ASSOC		= 1<<0,
@@ -376,8 +396,8 @@ enum ieee80211_bss_change {
 	BSS_CHANGED_HE_BSS_COLOR	= 1<<29,
 	BSS_CHANGED_FILS_DISCOVERY      = 1<<30,
 	BSS_CHANGED_UNSOL_BCAST_PROBE_RESP = 1<<31,
-	BSS_CHANGED_EHT_PUNCTURING	= BIT_ULL(32),
 	BSS_CHANGED_MLD_VALID_LINKS	= BIT_ULL(33),
+	BSS_CHANGED_MLD_TTLM		= BIT_ULL(34),
 
 	/* when adding here, make sure to change ieee80211_reconfig */
 };
@@ -537,6 +557,10 @@ struct ieee80211_fils_discovery {
  * to that BSS) that can change during the lifetime of the BSS.
  *
  * @vif: reference to owning VIF
+ * @bss: the cfg80211 bss descriptor. Valid only for a station, and only
+ *	when associated. Note: This contains information which is not
+ *	necessarily authenticated. For example, information coming from probe
+ *	responses.
  * @addr: (link) address used locally
  * @link_id: link ID, or 0 for non-MLO
  * @htc_trig_based_pkt_ext: default PE in 4us units, if BSS supports HE
@@ -581,7 +605,7 @@ struct ieee80211_fils_discovery {
  * @mcast_rate: per-band multicast rate index + 1 (0: disabled)
  * @bssid: The BSSID for this BSS
  * @enable_beacon: whether beaconing should be enabled or not
- * @chandef: Channel definition for this BSS -- the hardware might be
+ * @chanreq: Channel request for this BSS -- the hardware might be
  *	configured a higher bandwidth than this BSS uses, for example.
  * @mu_group: VHT MU-MIMO group membership data
  * @ht_operation_mode: HT operation mode like in &struct ieee80211_ht_operation.
@@ -642,9 +666,7 @@ struct ieee80211_fils_discovery {
  * @tx_pwr_env_num: number of @tx_pwr_env.
  * @pwr_reduction: power constraint of BSS.
  * @eht_support: does this BSS support EHT
- * @eht_puncturing: bitmap to indicate which channels are punctured in this BSS
  * @csa_active: marks whether a channel switch is going on.
- * @csa_punct_bitmap: new puncturing bitmap for channel switch
  * @mu_mimo_owner: indicates interface owns MU-MIMO capability
  * @chanctx_conf: The channel context this interface is assigned to, or %NULL
  *	when it is not assigned. This pointer is RCU-protected due to the TX
@@ -682,6 +704,7 @@ struct ieee80211_fils_discovery {
  */
 struct ieee80211_bss_conf {
 	struct ieee80211_vif *vif;
+	struct cfg80211_bss *bss;
 
 	const u8 *bssid;
 	unsigned int link_id;
@@ -714,7 +737,7 @@ struct ieee80211_bss_conf {
 	u32 cqm_rssi_hyst;
 	s32 cqm_rssi_low;
 	s32 cqm_rssi_high;
-	struct cfg80211_chan_def chandef;
+	struct ieee80211_chan_req chanreq;
 	struct ieee80211_mu_group_data mu_group;
 	bool qos;
 	bool hidden_ssid;
@@ -747,10 +770,8 @@ struct ieee80211_bss_conf {
 	u8 tx_pwr_env_num;
 	u8 pwr_reduction;
 	bool eht_support;
-	u16 eht_puncturing;
 
 	bool csa_active;
-	u16 csa_punct_bitmap;
 
 	bool mu_mimo_owner;
 	struct ieee80211_chanctx_conf __rcu *chanctx_conf;
@@ -1745,8 +1766,9 @@ struct ieee80211_conf {
  * @chandef: the new channel to switch to
  * @count: the number of TBTT's until the channel switch event
  * @delay: maximum delay between the time the AP transmitted the last beacon in
-  *	current channel and the expected time of the first beacon in the new
-  *	channel, expressed in TU.
+ *	current channel and the expected time of the first beacon in the new
+ *	channel, expressed in TU.
+ * @link_id: the link ID of the link doing the channel switch, 0 for non-MLO
  */
 struct ieee80211_channel_switch {
 	u64 timestamp;
@@ -1754,6 +1776,7 @@ struct ieee80211_channel_switch {
 	bool block_tx;
 	struct cfg80211_chan_def chandef;
 	u8 count;
+	u8 link_id;
 	u32 delay;
 };
 
@@ -1775,6 +1798,10 @@ struct ieee80211_channel_switch {
  *	this is not pure P2P vif.
  * @IEEE80211_VIF_EML_ACTIVE: The driver indicates that EML operation is
  *      enabled for the interface.
+ * @IEEE80211_VIF_IGNORE_OFDMA_WIDER_BW: Ignore wider bandwidth OFDMA
+ *	operation on this interface and request a channel context without
+ *	the AP definition. Use this e.g. because the device is able to
+ *	handle OFDMA (downlink and trigger for uplink) on a per-AP basis.
  */
 enum ieee80211_vif_flags {
 	IEEE80211_VIF_BEACON_FILTER		= BIT(0),
@@ -1782,6 +1809,7 @@ enum ieee80211_vif_flags {
 	IEEE80211_VIF_SUPPORTS_UAPSD		= BIT(2),
 	IEEE80211_VIF_GET_NOA_UPDATE		= BIT(3),
 	IEEE80211_VIF_EML_ACTIVE	        = BIT(4),
+	IEEE80211_VIF_IGNORE_OFDMA_WIDER_BW	= BIT(5),
 };
 
 
@@ -1811,9 +1839,11 @@ enum ieee80211_offload_flags {
  * @ps: power-save mode (STA only). This flag is NOT affected by
  *	offchannel/dynamic_ps operations.
  * @aid: association ID number, valid only when @assoc is true
- * @eml_cap: EML capabilities as described in P802.11be_D2.2 Figure 9-1002k.
+ * @eml_cap: EML capabilities as described in P802.11be_D4.1 Figure 9-1001j.
  * @eml_med_sync_delay: Medium Synchronization delay as described in
- *	P802.11be_D2.2 Figure 9-1002j.
+ *	P802.11be_D4.1 Figure 9-1001i.
+ * @mld_capa_op: MLD Capabilities and Operations per P802.11be_D4.1
+ *	Figure 9-1001k
  * @arp_addr_list: List of IPv4 addresses for hardware ARP filtering. The
  *	may filter ARP queries targeted for other addresses than listed here.
  *	The driver must allow ARP queries targeted for all address listed here
@@ -1838,6 +1868,7 @@ struct ieee80211_vif_cfg {
 	u16 aid;
 	u16 eml_cap;
 	u16 eml_med_sync_delay;
+	u16 mld_capa_op;
 
 	__be32 arp_addr_list[IEEE80211_BSS_ARP_ADDR_LIST_LEN];
 	int arp_addr_cnt;
@@ -1848,6 +1879,35 @@ struct ieee80211_vif_cfg {
 	u8 ap_addr[ETH_ALEN] __aligned(2);
 };
 
+#define IEEE80211_TTLM_NUM_TIDS 8
+
+/**
+ * struct ieee80211_neg_ttlm - negotiated TID to link map info
+ *
+ * @downlink: bitmap of active links per TID for downlink, or 0 if mapping for
+ *	this TID is not included.
+ * @uplink: bitmap of active links per TID for uplink, or 0 if mapping for this
+ *	TID is not included.
+ * @valid: info is valid or not.
+ */
+struct ieee80211_neg_ttlm {
+	u16 downlink[IEEE80211_TTLM_NUM_TIDS];
+	u16 uplink[IEEE80211_TTLM_NUM_TIDS];
+	bool valid;
+};
+
+/**
+ * enum ieee80211_neg_ttlm_res - return value for negotiated TTLM handling
+ * @NEG_TTLM_RES_ACCEPT: accept the request
+ * @NEG_TTLM_RES_REJECT: reject the request
+ * @NEG_TTLM_RES_SUGGEST_PREFERRED: reject and suggest a new mapping
+ */
+enum ieee80211_neg_ttlm_res {
+	NEG_TTLM_RES_ACCEPT,
+	NEG_TTLM_RES_REJECT,
+	NEG_TTLM_RES_SUGGEST_PREFERRED
+};
+
 /**
  * struct ieee80211_vif - per-interface data
  *
@@ -1866,6 +1926,11 @@ struct ieee80211_vif_cfg {
  *	API calls meant for that purpose.
  * @dormant_links: bitmap of valid but disabled links, or 0 for non-MLO.
  *	Must be a subset of valid_links.
+ * @suspended_links: subset of dormant_links representing links that are
+ *	suspended.
+ *	0 for non-MLO.
+ * @neg_ttlm: negotiated TID to link mapping info.
+ *	see &struct ieee80211_neg_ttlm.
  * @addr: address of this interface
  * @p2p: indicates whether this AP or STA interface is a p2p
  *	interface, i.e. a GO or p2p-sta respectively
@@ -1903,7 +1968,8 @@ struct ieee80211_vif {
 	struct ieee80211_vif_cfg cfg;
 	struct ieee80211_bss_conf bss_conf;
 	struct ieee80211_bss_conf __rcu *link_conf[IEEE80211_MLD_MAX_NUM_LINKS];
-	u16 valid_links, active_links, dormant_links;
+	u16 valid_links, active_links, dormant_links, suspended_links;
+	struct ieee80211_neg_ttlm neg_ttlm;
 	u8 addr[ETH_ALEN] __aligned(2);
 	bool p2p;
 
@@ -1950,6 +2016,21 @@ static inline bool ieee80211_vif_is_mld(const struct ieee80211_vif *vif)
 	return vif->valid_links != 0;
 }
 
+/**
+ * ieee80211_vif_link_active - check if a given link is active
+ * @vif: the vif
+ * @link_id: the link ID to check
+ * Return: %true if the vif is an MLD and the link is active, or if
+ *	the vif is not an MLD and the link ID is 0; %false otherwise.
+ */
+static inline bool ieee80211_vif_link_active(const struct ieee80211_vif *vif,
+					     unsigned int link_id)
+{
+	if (!ieee80211_vif_is_mld(vif))
+		return link_id == 0;
+	return vif->active_links & BIT(link_id);
+}
+
 #define for_each_vif_active_link(vif, link, link_id)				\
 	for (link_id = 0; link_id < ARRAY_SIZE((vif)->link_conf); link_id++)	\
 		if ((!(vif)->active_links ||					\
@@ -2044,6 +2125,8 @@ static inline bool lockdep_vif_wiphy_mutex_held(struct ieee80211_vif *vif)
  * @IEEE80211_KEY_FLAG_GENERATE_MMIE: This flag should be set by the driver
  *	for a AES_CMAC key to indicate that it requires sequence number
  *	generation only
+ * @IEEE80211_KEY_FLAG_SPP_AMSDU: SPP A-MSDUs can be used with this key
+ *	(set by mac80211 from the sta->spp_amsdu flag)
  */
 enum ieee80211_key_flags {
 	IEEE80211_KEY_FLAG_GENERATE_IV_MGMT	= BIT(0),
@@ -2057,6 +2140,7 @@ enum ieee80211_key_flags {
 	IEEE80211_KEY_FLAG_PUT_MIC_SPACE	= BIT(8),
 	IEEE80211_KEY_FLAG_NO_AUTO_TX		= BIT(9),
 	IEEE80211_KEY_FLAG_GENERATE_MMIE	= BIT(10),
+	IEEE80211_KEY_FLAG_SPP_AMSDU		= BIT(11),
 };
 
 /**
@@ -2355,6 +2439,7 @@ struct ieee80211_link_sta {
  *	would be assigned to link[link_id] where link_id is the id assigned
  *	by the AP.
  * @valid_links: bitmap of valid links, or 0 for non-MLO
+ * @spp_amsdu: indicates whether the STA uses SPP A-MSDU or not.
  */
 struct ieee80211_sta {
 	u8 addr[ETH_ALEN];
@@ -2368,6 +2453,7 @@ struct ieee80211_sta {
 	bool tdls_initiator;
 	bool mfp;
 	bool mlo;
+	bool spp_amsdu;
 	u8 max_amsdu_subframes;
 
 	struct ieee80211_sta_aggregates *cur;
@@ -2695,6 +2781,11 @@ struct ieee80211_txq {
  * @IEEE80211_HW_DISALLOW_PUNCTURING: HW requires disabling puncturing in EHT
  *	and connecting with a lower bandwidth instead
  *
+ * @IEEE80211_HW_HANDLES_QUIET_CSA: HW/driver handles quieting for CSA, so
+ *	no need to stop queues. This really should be set by a driver that
+ *	implements MLO, so operation can continue on other links when one
+ *	link is switching.
+ *
  * @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays
  */
 enum ieee80211_hw_flags {
@@ -2753,6 +2844,7 @@ enum ieee80211_hw_flags {
 	IEEE80211_HW_DETECTS_COLOR_COLLISION,
 	IEEE80211_HW_MLO_MCAST_MULTI_LINK_TX,
 	IEEE80211_HW_DISALLOW_PUNCTURING,
+	IEEE80211_HW_HANDLES_QUIET_CSA,
 
 	/* keep last, obviously */
 	NUM_IEEE80211_HW_FLAGS
@@ -4185,7 +4277,7 @@ struct ieee80211_prep_tx_info {
  *	after a channel switch procedure is completed, allowing the
  *	driver to go back to a normal configuration.
  * @abort_channel_switch: This is an optional callback that is called
- *	when channel switch procedure was completed, allowing the
+ *	when channel switch procedure was aborted, allowing the
  *	driver to go back to a normal configuration.
  * @channel_switch_rx_beacon: This is an optional callback that is called
  *	when channel switch procedure is in progress and additional beacon with
@@ -4296,6 +4388,10 @@ struct ieee80211_prep_tx_info {
  *	flow offloading for flows originating from the vif.
  *	Note that the driver must not assume that the vif driver_data is valid
  *	at this point, since the callback can be called during netdev teardown.
+ * @can_neg_ttlm: for managed interface, requests the driver to determine
+ *	if the requested TID-To-Link mapping can be accepted or not.
+ *	If it's not accepted the driver may suggest a preferred mapping and
+ *	modify @ttlm parameter with the suggested TID-to-Link mapping.
  */
 struct ieee80211_ops {
 	void (*tx)(struct ieee80211_hw *hw,
@@ -4577,7 +4673,8 @@ struct ieee80211_ops {
 				   struct ieee80211_vif *vif,
 				   struct ieee80211_bss_conf *link_conf);
 	void (*abort_channel_switch)(struct ieee80211_hw *hw,
-				     struct ieee80211_vif *vif);
+				     struct ieee80211_vif *vif,
+				     struct ieee80211_bss_conf *link_conf);
 	void (*channel_switch_rx_beacon)(struct ieee80211_hw *hw,
 					 struct ieee80211_vif *vif,
 					 struct ieee80211_channel_switch *ch_switch);
@@ -4676,6 +4773,9 @@ struct ieee80211_ops {
 			    struct net_device *dev,
 			    enum tc_setup_type type,
 			    void *type_data);
+	enum ieee80211_neg_ttlm_res
+	(*can_neg_ttlm)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			struct ieee80211_neg_ttlm *ttlm);
 };
 
 /**
@@ -5458,6 +5558,7 @@ static inline struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 /**
  * ieee80211_beacon_update_cntdwn - request mac80211 to decrement the beacon countdown
  * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ * @link_id: valid link_id during MLO or 0 for non-MLO
  *
  * The beacon counter should be updated after each beacon transmission.
  * This function is called implicitly when
@@ -5467,7 +5568,8 @@ static inline struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
  *
  * Return: new countdown value
  */
-u8 ieee80211_beacon_update_cntdwn(struct ieee80211_vif *vif);
+u8 ieee80211_beacon_update_cntdwn(struct ieee80211_vif *vif,
+				  unsigned int link_id);
 
 /**
  * ieee80211_beacon_set_cntdwn - request mac80211 to set beacon countdown
@@ -5485,20 +5587,23 @@ void ieee80211_beacon_set_cntdwn(struct ieee80211_vif *vif, u8 counter);
 /**
  * ieee80211_csa_finish - notify mac80211 about channel switch
  * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ * @link_id: valid link_id during MLO or 0 for non-MLO
  *
  * After a channel switch announcement was scheduled and the counter in this
  * announcement hits 1, this function must be called by the driver to
  * notify mac80211 that the channel can be changed.
  */
-void ieee80211_csa_finish(struct ieee80211_vif *vif);
+void ieee80211_csa_finish(struct ieee80211_vif *vif, unsigned int link_id);
 
 /**
  * ieee80211_beacon_cntdwn_is_complete - find out if countdown reached 1
  * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ * @link_id: valid link_id during MLO or 0 for non-MLO
  *
  * This function returns whether the countdown reached zero.
  */
-bool ieee80211_beacon_cntdwn_is_complete(struct ieee80211_vif *vif);
+bool ieee80211_beacon_cntdwn_is_complete(struct ieee80211_vif *vif,
+					 unsigned int link_id);
 
 /**
  * ieee80211_color_change_finish - notify mac80211 about color change
@@ -5834,6 +5939,7 @@ void ieee80211_remove_key(struct ieee80211_key_conf *keyconf);
  * ieee80211_gtk_rekey_add - add a GTK key from rekeying during WoWLAN
  * @vif: the virtual interface to add the key on
  * @keyconf: new key data
+ * @link_id: the link id of the key or -1 for non-MLO
  *
  * When GTK rekeying was done while the system was suspended, (a) new
  * key(s) will be available. These will be needed by mac80211 for proper
@@ -5861,7 +5967,8 @@ void ieee80211_remove_key(struct ieee80211_key_conf *keyconf);
  */
 struct ieee80211_key_conf *
 ieee80211_gtk_rekey_add(struct ieee80211_vif *vif,
-			struct ieee80211_key_conf *keyconf);
+			struct ieee80211_key_conf *keyconf,
+			int link_id);
 
 /**
  * ieee80211_gtk_rekey_notify - notify userspace supplicant of rekeying
@@ -7419,11 +7526,10 @@ ieee80211_get_unsol_bcast_probe_resp_tmpl(struct ieee80211_hw *hw,
  * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  * @color_bitmap: a 64 bit bitmap representing the colors that the local BSS is
  *	aware of.
- * @gfp: allocation flags
  */
 void
 ieee80211_obss_color_collision_notify(struct ieee80211_vif *vif,
-				      u64 color_bitmap, gfp_t gfp);
+				      u64 color_bitmap);
 
 /**
  * ieee80211_is_tx_data - check if frame is a data frame
@@ -7483,4 +7589,17 @@ int ieee80211_set_active_links(struct ieee80211_vif *vif, u16 active_links);
 void ieee80211_set_active_links_async(struct ieee80211_vif *vif,
 				      u16 active_links);
 
+/* for older drivers - let's not document these ... */
+int ieee80211_emulate_add_chanctx(struct ieee80211_hw *hw,
+				  struct ieee80211_chanctx_conf *ctx);
+void ieee80211_emulate_remove_chanctx(struct ieee80211_hw *hw,
+				      struct ieee80211_chanctx_conf *ctx);
+void ieee80211_emulate_change_chanctx(struct ieee80211_hw *hw,
+				      struct ieee80211_chanctx_conf *ctx,
+				      u32 changed);
+int ieee80211_emulate_switch_vif_chanctx(struct ieee80211_hw *hw,
+					 struct ieee80211_vif_chanctx_switch *vifs,
+					 int n_vifs,
+					 enum ieee80211_chanctx_switch_mode mode);
+
 #endif /* MAC80211_H */