wifi: iwlwifi: implement wowlan status notification API update

Add per key status indication in the WOWLAN status notification.
This update is required for fips. Each key entry now
includes a status field.

Keys are now processed as follows:
0: no key, ignore entry
1: old, use only metadata
2: new, use key material and metadata

While at it, fix tid_offloaded_tx error message to print the
actual variable being validated in iwl_mld_handle_wowlan_info_notif.

Signed-off-by: Rotem Kerem <rotem.kerem@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250909061931.0a2e7a62504c.Id195c9c83f9f767d1e3e458468af2d933774daa1@changeid

2 files changed, 106 insertions, 8 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h b/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h
index 9103f70c41c0..d3bed0216df4 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h
@@ -632,10 +632,65 @@ struct iwl_wowlan_gtk_status_v3 {
 	struct iwl_wowlan_all_rsc_tsc_v5 sc;
 } __packed; /* WOWLAN_GTK_MATERIAL_VER_3 */
 
+/**
+ * enum iwl_wowlan_key_status - Status of security keys in WoWLAN notifications
+ * @IWL_WOWLAN_NOTIF_NO_KEY: No key is present; this entry should be ignored.
+ * @IWL_WOWLAN_STATUS_OLD_KEY: old key exists; no rekey occurred, and only
+ *	metadata is available.
+ * @IWL_WOWLAN_STATUS_NEW_KEY: A new key was created after a rekey; new key
+ *	material is available.
+ */
+enum iwl_wowlan_key_status {
+	IWL_WOWLAN_NOTIF_NO_KEY = 0,
+	IWL_WOWLAN_STATUS_OLD_KEY = 1,
+	IWL_WOWLAN_STATUS_NEW_KEY = 2
+};
+
+/**
+ * struct iwl_wowlan_gtk_status - GTK status
+ * @key: GTK material
+ * @key_len: GTK length, if set to 0, the key is not available
+ * @key_flags: information about the key:
+ *	bits[0:1]:  key index assigned by the AP
+ *	bits[2:6]:  GTK index of the key in the internal DB
+ *	bit[7]:     Set iff this is the currently used GTK
+ * @key_status: key status, see &enum iwl_wowlan_key_status
+ * @reserved: padding
+ * @tkip_mic_key: TKIP RX MIC key
+ * @sc: RSC/TSC counters
+ */
+struct iwl_wowlan_gtk_status {
+	u8 key[WOWLAN_KEY_MAX_SIZE];
+	u8 key_len;
+	u8 key_flags;
+	u8 key_status;
+	u8 reserved;
+	u8 tkip_mic_key[IWL_MIC_KEY_SIZE];
+	struct iwl_wowlan_all_rsc_tsc_v5 sc;
+} __packed; /* WOWLAN_GTK_MATERIAL_VER_4 */
+
 #define IWL_WOWLAN_GTK_IDX_MASK		(BIT(0) | BIT(1))
 #define IWL_WOWLAN_IGTK_BIGTK_IDX_MASK	(BIT(0))
 
 /**
+ * struct iwl_wowlan_igtk_status_v1 - IGTK status
+ * @key: IGTK material
+ * @ipn: the IGTK packet number (replay counter)
+ * @key_len: IGTK length, if set to 0, the key is not available
+ * @key_flags: information about the key:
+ *	bits[0]: key index assigned by the AP (0: index 4, 1: index 5)
+ *	(0: index 6, 1: index 7 with bigtk)
+ *	bits[1:5]: IGTK index of the key in the internal DB
+ *	bit[6]: Set iff this is the currently used IGTK
+ */
+struct iwl_wowlan_igtk_status_v1 {
+	u8 key[WOWLAN_KEY_MAX_SIZE];
+	u8 ipn[6];
+	u8 key_len;
+	u8 key_flags;
+} __packed; /* WOWLAN_IGTK_MATERIAL_VER_1 */
+
+/**
  * struct iwl_wowlan_igtk_status - IGTK status
  * @key: IGTK material
  * @ipn: the IGTK packet number (replay counter)
@@ -645,13 +700,17 @@ struct iwl_wowlan_gtk_status_v3 {
  *	(0: index 6, 1: index 7 with bigtk)
  *	bits[1:5]: IGTK index of the key in the internal DB
  *	bit[6]: Set iff this is the currently used IGTK
+ * @key_status: key status, see &enum iwl_wowlan_key_status
+ * @reserved: padding
  */
 struct iwl_wowlan_igtk_status {
 	u8 key[WOWLAN_KEY_MAX_SIZE];
 	u8 ipn[6];
 	u8 key_len;
 	u8 key_flags;
-} __packed; /* WOWLAN_IGTK_MATERIAL_VER_1 */
+	u8 key_status;
+	u8 reserved[3];
+} __packed; /* WOWLAN_IGTK_MATERIAL_VER_2 */
 
 /**
  * struct iwl_wowlan_status_v6 - WoWLAN status
@@ -701,7 +760,7 @@ struct iwl_wowlan_status_v6 {
  */
 struct iwl_wowlan_status_v7 {
 	struct iwl_wowlan_gtk_status_v2 gtk[WOWLAN_GTK_KEYS_NUM];
-	struct iwl_wowlan_igtk_status igtk[WOWLAN_IGTK_KEYS_NUM];
+	struct iwl_wowlan_igtk_status_v1 igtk[WOWLAN_IGTK_KEYS_NUM];
 	__le64 replay_ctr;
 	__le16 pattern_number;
 	__le16 non_qos_seq_ctr;
@@ -736,7 +795,7 @@ struct iwl_wowlan_status_v7 {
  */
 struct iwl_wowlan_info_notif_v1 {
 	struct iwl_wowlan_gtk_status_v3 gtk[WOWLAN_GTK_KEYS_NUM];
-	struct iwl_wowlan_igtk_status igtk[WOWLAN_IGTK_KEYS_NUM];
+	struct iwl_wowlan_igtk_status_v1 igtk[WOWLAN_IGTK_KEYS_NUM];
 	__le64 replay_ctr;
 	__le16 pattern_number;
 	__le16 reserved1;
@@ -818,8 +877,8 @@ struct iwl_wowlan_mlo_gtk {
  */
 struct iwl_wowlan_info_notif_v3 {
 	struct iwl_wowlan_gtk_status_v3 gtk[WOWLAN_GTK_KEYS_NUM];
-	struct iwl_wowlan_igtk_status igtk[WOWLAN_IGTK_KEYS_NUM];
-	struct iwl_wowlan_igtk_status bigtk[WOWLAN_BIGTK_KEYS_NUM];
+	struct iwl_wowlan_igtk_status_v1 igtk[WOWLAN_IGTK_KEYS_NUM];
+	struct iwl_wowlan_igtk_status_v1 bigtk[WOWLAN_BIGTK_KEYS_NUM];
 	__le64 replay_ctr;
 	__le16 pattern_number;
 	__le16 reserved1;
@@ -834,6 +893,45 @@ struct iwl_wowlan_info_notif_v3 {
 } __packed; /* WOWLAN_INFO_NTFY_API_S_VER_3 */
 
 /**
+ * struct iwl_wowlan_info_notif_v5 - WoWLAN information notification
+ * @gtk: GTK data
+ * @igtk: IGTK data
+ * @bigtk: BIGTK data
+ * @replay_ctr: GTK rekey replay counter
+ * @pattern_number: number of the matched patterns
+ * @qos_seq_ctr: QoS sequence counters to use next
+ * @wakeup_reasons: wakeup reasons, see &enum iwl_wowlan_wakeup_reason
+ * @num_of_gtk_rekeys: number of GTK rekeys
+ * @transmitted_ndps: number of transmitted neighbor discovery packets
+ * @received_beacons: number of received beacons
+ * @tid_tear_down: bit mask of tids whose BA sessions were closed
+ *	in suspend state
+ * @station_id: station id
+ * @num_mlo_link_keys: number of &struct iwl_wowlan_mlo_gtk structs
+ *	following this notif
+ * @tid_offloaded_tx: tid used by the firmware to transmit data packets
+ *	while in wowlan
+ * @mlo_gtks: array of GTKs of size num_mlo_link_keys
+ */
+struct iwl_wowlan_info_notif_v5 {
+	struct iwl_wowlan_gtk_status_v3 gtk[WOWLAN_GTK_KEYS_NUM];
+	struct iwl_wowlan_igtk_status_v1 igtk[WOWLAN_IGTK_KEYS_NUM];
+	struct iwl_wowlan_igtk_status_v1 bigtk[WOWLAN_BIGTK_KEYS_NUM];
+	__le64 replay_ctr;
+	__le16 pattern_number;
+	__le16 qos_seq_ctr;
+	__le32 wakeup_reasons;
+	__le32 num_of_gtk_rekeys;
+	__le32 transmitted_ndps;
+	__le32 received_beacons;
+	u8 tid_tear_down;
+	u8 station_id;
+	u8 num_mlo_link_keys;
+	u8 tid_offloaded_tx;
+	struct iwl_wowlan_mlo_gtk mlo_gtks[];
+} __packed; /* WOWLAN_INFO_NTFY_API_S_VER_5 */
+
+/**
  * struct iwl_wowlan_info_notif - WoWLAN information notification
  * @gtk: GTK data
  * @igtk: IGTK data
@@ -855,7 +953,7 @@ struct iwl_wowlan_info_notif_v3 {
  * @mlo_gtks: array of GTKs of size num_mlo_link_keys
  */
 struct iwl_wowlan_info_notif {
-	struct iwl_wowlan_gtk_status_v3 gtk[WOWLAN_GTK_KEYS_NUM];
+	struct iwl_wowlan_gtk_status gtk[WOWLAN_GTK_KEYS_NUM];
 	struct iwl_wowlan_igtk_status igtk[WOWLAN_IGTK_KEYS_NUM];
 	struct iwl_wowlan_igtk_status bigtk[WOWLAN_BIGTK_KEYS_NUM];
 	__le64 replay_ctr;
@@ -870,7 +968,7 @@ struct iwl_wowlan_info_notif {
 	u8 num_mlo_link_keys;
 	u8 tid_offloaded_tx;
 	struct iwl_wowlan_mlo_gtk mlo_gtks[];
-} __packed; /* WOWLAN_INFO_NTFY_API_S_VER_5 */
+} __packed; /* WOWLAN_INFO_NTFY_API_S_VER_6 */
 
 /**
  * struct iwl_wowlan_wake_pkt_notif - WoWLAN wake packet notification
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/offload.h b/drivers/net/wireless/intel/iwlwifi/fw/api/offload.h
index 2a1c2b0f19e4..bb801650a565 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/offload.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/offload.h
@@ -20,7 +20,7 @@ enum iwl_prot_offload_subcmd_ids {
 	/**
 	 * @WOWLAN_INFO_NOTIFICATION: Notification in
 	 * &struct iwl_wowlan_info_notif_v1, iwl_wowlan_info_notif_v3,
-	 * or &struct iwl_wowlan_info_notif
+	 * &struct iwl_wowlan_info_notif_v5 or &struct iwl_wowlan_info_notif
 	 */
 	WOWLAN_INFO_NOTIFICATION = 0xFD,