From 1c055e55a242a33e574e48be530e06770a210dcd Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 19 Feb 2024 03:26:26 +0000
Subject: [PATCH] add r8169 read mac form eeprom

---
 kernel/drivers/net/wireless/intel/iwlwifi/fw/file.h |  167 ++++++++++++++++++++++++++++++++++++++++++++++---------
 1 files changed, 138 insertions(+), 29 deletions(-)

diff --git a/kernel/drivers/net/wireless/intel/iwlwifi/fw/file.h b/kernel/drivers/net/wireless/intel/iwlwifi/fw/file.h
index bbf2b26..1be9ab1 100644
--- a/kernel/drivers/net/wireless/intel/iwlwifi/fw/file.h
+++ b/kernel/drivers/net/wireless/intel/iwlwifi/fw/file.h
@@ -5,10 +5,9 @@
  *
  * GPL LICENSE SUMMARY
  *
- * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 Intel Corporation
+ * Copyright(c) 2008 - 2014, 2018 - 2020 Intel Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -19,11 +18,6 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
- * USA
- *
  * The full GNU General Public License is included in this distribution
  * in the file called COPYING.
  *
@@ -33,10 +27,9 @@
  *
  * BSD LICENSE
  *
- * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 Intel Corporation
+ * Copyright(c) 2008 - 2014, 2018 - 2020 Intel Corporation
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -96,6 +89,9 @@
 	} u;
 };
 
+#define IWL_UCODE_TLV_DEBUG_BASE	0x1000005
+#define IWL_UCODE_TLV_CONST_BASE	0x100
+
 /*
  * new TLV uCode file layout
  *
@@ -143,9 +139,27 @@
 	IWL_UCODE_TLV_FW_DBG_DEST	= 38,
 	IWL_UCODE_TLV_FW_DBG_CONF	= 39,
 	IWL_UCODE_TLV_FW_DBG_TRIGGER	= 40,
+	IWL_UCODE_TLV_CMD_VERSIONS	= 48,
 	IWL_UCODE_TLV_FW_GSCAN_CAPA	= 50,
 	IWL_UCODE_TLV_FW_MEM_SEG	= 51,
 	IWL_UCODE_TLV_IML		= 52,
+	IWL_UCODE_TLV_UMAC_DEBUG_ADDRS	= 54,
+	IWL_UCODE_TLV_LMAC_DEBUG_ADDRS	= 55,
+	IWL_UCODE_TLV_FW_RECOVERY_INFO	= 57,
+	IWL_UCODE_TLV_HW_TYPE			= 58,
+	IWL_UCODE_TLV_FW_FSEQ_VERSION		= 60,
+
+	IWL_UCODE_TLV_PNVM_VERSION		= 62,
+	IWL_UCODE_TLV_PNVM_SKU			= 64,
+
+	IWL_UCODE_TLV_FW_NUM_STATIONS		= IWL_UCODE_TLV_CONST_BASE + 0,
+
+	IWL_UCODE_TLV_TYPE_DEBUG_INFO		= IWL_UCODE_TLV_DEBUG_BASE + 0,
+	IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION	= IWL_UCODE_TLV_DEBUG_BASE + 1,
+	IWL_UCODE_TLV_TYPE_HCMD			= IWL_UCODE_TLV_DEBUG_BASE + 2,
+	IWL_UCODE_TLV_TYPE_REGIONS		= IWL_UCODE_TLV_DEBUG_BASE + 3,
+	IWL_UCODE_TLV_TYPE_TRIGGERS		= IWL_UCODE_TLV_DEBUG_BASE + 4,
+	IWL_UCODE_TLV_DEBUG_MAX = IWL_UCODE_TLV_TYPE_TRIGGERS,
 
 	/* TLVs 0x1000-0x2000 are for internal driver usage */
 	IWL_UCODE_TLV_FW_DBG_DUMP_LST	= 0x1000,
@@ -206,7 +220,7 @@
  *	treats good CRC threshold as a boolean
  * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w).
  * @IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT: This uCode image supports uAPSD
- * @IWL_UCODE_TLV_FLAGS_SHORT_BL: 16 entries of black list instead of 64 in scan
+ * @IWL_UCODE_TLV_FLAGS_SHORT_BL: 16 entries of block list instead of 64 in scan
  *	offload profile config command.
  * @IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS: D3 image supports up to six
  *	(rather than two) IPv6 addresses
@@ -258,6 +272,26 @@
  *	deprecated.
  * @IWL_UCODE_TLV_API_ADAPTIVE_DWELL_V2: This ucode supports version 8
  *	of scan request: SCAN_REQUEST_CMD_UMAC_API_S_VER_8
+ * @IWL_UCODE_TLV_API_FRAG_EBS: This ucode supports fragmented EBS
+ * @IWL_UCODE_TLV_API_REDUCE_TX_POWER: This ucode supports v5 of
+ *	the REDUCE_TX_POWER_CMD.
+ * @IWL_UCODE_TLV_API_SHORT_BEACON_NOTIF: This ucode supports the short
+ *	version of the beacon notification.
+ * @IWL_UCODE_TLV_API_BEACON_FILTER_V4: This ucode supports v4 of
+ *	BEACON_FILTER_CONFIG_API_S_VER_4.
+ * @IWL_UCODE_TLV_API_REGULATORY_NVM_INFO: This ucode supports v4 of
+ *	REGULATORY_NVM_GET_INFO_RSP_API_S.
+ * @IWL_UCODE_TLV_API_FTM_NEW_RANGE_REQ: This ucode supports v7 of
+ *	LOCATION_RANGE_REQ_CMD_API_S and v6 of LOCATION_RANGE_RESP_NTFY_API_S.
+ * @IWL_UCODE_TLV_API_SCAN_OFFLOAD_CHANS: This ucode supports v2 of
+ *	SCAN_OFFLOAD_PROFILE_MATCH_RESULTS_S and v3 of
+ *	SCAN_OFFLOAD_PROFILES_QUERY_RSP_S.
+ * @IWL_UCODE_TLV_API_MBSSID_HE: This ucode supports v2 of
+ *	STA_CONTEXT_DOT11AX_API_S
+ * @IWL_UCODE_TLV_CAPA_SAR_TABLE_VER: This ucode supports different sar
+ *	version tables.
+ * @IWL_UCODE_TLV_API_REDUCED_SCAN_CONFIG: This ucode supports v3 of
+ *  SCAN_CONFIG_DB_CMD_API_S.
  *
  * @NUM_IWL_UCODE_TLV_API: number of bits used
  */
@@ -276,9 +310,26 @@
 	IWL_UCODE_TLV_API_OCE			= (__force iwl_ucode_tlv_api_t)33,
 	IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE	= (__force iwl_ucode_tlv_api_t)34,
 	IWL_UCODE_TLV_API_NEW_RX_STATS		= (__force iwl_ucode_tlv_api_t)35,
+	IWL_UCODE_TLV_API_WOWLAN_KEY_MATERIAL	= (__force iwl_ucode_tlv_api_t)36,
 	IWL_UCODE_TLV_API_QUOTA_LOW_LATENCY	= (__force iwl_ucode_tlv_api_t)38,
 	IWL_UCODE_TLV_API_DEPRECATE_TTAK	= (__force iwl_ucode_tlv_api_t)41,
 	IWL_UCODE_TLV_API_ADAPTIVE_DWELL_V2	= (__force iwl_ucode_tlv_api_t)42,
+	IWL_UCODE_TLV_API_FRAG_EBS		= (__force iwl_ucode_tlv_api_t)44,
+	IWL_UCODE_TLV_API_REDUCE_TX_POWER	= (__force iwl_ucode_tlv_api_t)45,
+	IWL_UCODE_TLV_API_SHORT_BEACON_NOTIF	= (__force iwl_ucode_tlv_api_t)46,
+	IWL_UCODE_TLV_API_BEACON_FILTER_V4      = (__force iwl_ucode_tlv_api_t)47,
+	IWL_UCODE_TLV_API_REGULATORY_NVM_INFO   = (__force iwl_ucode_tlv_api_t)48,
+	IWL_UCODE_TLV_API_FTM_NEW_RANGE_REQ     = (__force iwl_ucode_tlv_api_t)49,
+	IWL_UCODE_TLV_API_SCAN_OFFLOAD_CHANS    = (__force iwl_ucode_tlv_api_t)50,
+	IWL_UCODE_TLV_API_MBSSID_HE		= (__force iwl_ucode_tlv_api_t)52,
+	IWL_UCODE_TLV_API_WOWLAN_TCP_SYN_WAKE	= (__force iwl_ucode_tlv_api_t)53,
+	IWL_UCODE_TLV_API_FTM_RTT_ACCURACY      = (__force iwl_ucode_tlv_api_t)54,
+	IWL_UCODE_TLV_API_SAR_TABLE_VER         = (__force iwl_ucode_tlv_api_t)55,
+	IWL_UCODE_TLV_API_REDUCED_SCAN_CONFIG   = (__force iwl_ucode_tlv_api_t)56,
+	IWL_UCODE_TLV_API_ADWELL_HB_DEF_N_AP	= (__force iwl_ucode_tlv_api_t)57,
+	IWL_UCODE_TLV_API_SCAN_EXT_CHAN_VER	= (__force iwl_ucode_tlv_api_t)58,
+	IWL_UCODE_TLV_API_BAND_IN_RX_DATA	= (__force iwl_ucode_tlv_api_t)59,
+
 
 	NUM_IWL_UCODE_TLV_API
 #ifdef __CHECKER__
@@ -295,7 +346,6 @@
  * @IWL_UCODE_TLV_CAPA_LAR_SUPPORT: supports Location Aware Regulatory
  * @IWL_UCODE_TLV_CAPA_UMAC_SCAN: supports UMAC scan.
  * @IWL_UCODE_TLV_CAPA_BEAMFORMER: supports Beamformer
- * @IWL_UCODE_TLV_CAPA_TOF_SUPPORT: supports Time of Flight (802.11mc FTM)
  * @IWL_UCODE_TLV_CAPA_TDLS_SUPPORT: support basic TDLS functionality
  * @IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT: supports insertion of current
  *	tx power value into TPC Report action frame and Link Measurement Report
@@ -322,9 +372,16 @@
  *	is supported.
  * @IWL_UCODE_TLV_CAPA_BT_COEX_RRC: supports BT Coex RRC
  * @IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT: supports gscan (no longer used)
+ * @IWL_UCODE_TLV_CAPA_SOC_LATENCY_SUPPORT: the firmware supports setting
+ *	stabilization latency for SoCs.
  * @IWL_UCODE_TLV_CAPA_STA_PM_NOTIF: firmware will send STA PM notification
  * @IWL_UCODE_TLV_CAPA_TLC_OFFLOAD: firmware implements rate scaling algorithm
  * @IWL_UCODE_TLV_CAPA_DYNAMIC_QUOTA: firmware implements quota related
+ * @IWL_UCODE_TLV_CAPA_COEX_SCHEMA_2: firmware implements Coex Schema 2
+ * IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD: firmware supports CSA command
+ * @IWL_UCODE_TLV_CAPA_ULTRA_HB_CHANNELS: firmware supports ultra high band
+ *	(6 GHz).
+ * @IWL_UCODE_TLV_CAPA_CS_MODIFY: firmware supports modify action CSA command
  * @IWL_UCODE_TLV_CAPA_EXTENDED_DTS_MEASURE: extended DTS measurement
  * @IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS: supports short PM timeouts
  * @IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT: supports bt-coex Multi-priority LUT
@@ -335,7 +392,7 @@
  *	antenna the beacon should be transmitted
  * @IWL_UCODE_TLV_CAPA_BEACON_STORING: firmware will store the latest beacon
  *	from AP and will send it upon d0i3 exit.
- * @IWL_UCODE_TLV_CAPA_LAR_SUPPORT_V2: support LAR API V2
+ * @IWL_UCODE_TLV_CAPA_LAR_SUPPORT_V3: support LAR API V3
  * @IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW: firmware responsible for CT-kill
  * @IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT: supports temperature
  *	thresholds reporting
@@ -348,16 +405,24 @@
  * @IWL_UCODE_TLV_CAPA_TX_POWER_ACK: reduced TX power API has larger
  *	command size (command version 4) that supports toggling ACK TX
  *	power reduction.
+ * @IWL_UCODE_TLV_CAPA_D3_DEBUG: supports debug recording during D3
+ * @IWL_UCODE_TLV_CAPA_MCC_UPDATE_11AX_SUPPORT: MCC response support 11ax
+ *	capability.
+ * @IWL_UCODE_TLV_CAPA_CSI_REPORTING: firmware is capable of being configured
+ *	to report the CSI information with (certain) RX frames
+ * @IWL_UCODE_TLV_CAPA_FTM_CALIBRATED: has FTM calibrated and thus supports both
+ *	initiator and responder
  * @IWL_UCODE_TLV_CAPA_MLME_OFFLOAD: supports MLME offload
+ * @IWL_UCODE_TLV_CAPA_PROTECTED_TWT: Supports protection of TWT action frames
  *
  * @NUM_IWL_UCODE_TLV_CAPA: number of bits used
  */
 enum iwl_ucode_tlv_capa {
+	/* set 0 */
 	IWL_UCODE_TLV_CAPA_D0I3_SUPPORT			= (__force iwl_ucode_tlv_capa_t)0,
 	IWL_UCODE_TLV_CAPA_LAR_SUPPORT			= (__force iwl_ucode_tlv_capa_t)1,
 	IWL_UCODE_TLV_CAPA_UMAC_SCAN			= (__force iwl_ucode_tlv_capa_t)2,
 	IWL_UCODE_TLV_CAPA_BEAMFORMER			= (__force iwl_ucode_tlv_capa_t)3,
-	IWL_UCODE_TLV_CAPA_TOF_SUPPORT                  = (__force iwl_ucode_tlv_capa_t)5,
 	IWL_UCODE_TLV_CAPA_TDLS_SUPPORT			= (__force iwl_ucode_tlv_capa_t)6,
 	IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT	= (__force iwl_ucode_tlv_capa_t)8,
 	IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT	= (__force iwl_ucode_tlv_capa_t)9,
@@ -375,12 +440,27 @@
 	IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC		= (__force iwl_ucode_tlv_capa_t)29,
 	IWL_UCODE_TLV_CAPA_BT_COEX_RRC			= (__force iwl_ucode_tlv_capa_t)30,
 	IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT		= (__force iwl_ucode_tlv_capa_t)31,
+
+	/* set 1 */
+	IWL_UCODE_TLV_CAPA_SOC_LATENCY_SUPPORT		= (__force iwl_ucode_tlv_capa_t)37,
 	IWL_UCODE_TLV_CAPA_STA_PM_NOTIF			= (__force iwl_ucode_tlv_capa_t)38,
 	IWL_UCODE_TLV_CAPA_BINDING_CDB_SUPPORT		= (__force iwl_ucode_tlv_capa_t)39,
 	IWL_UCODE_TLV_CAPA_CDB_SUPPORT			= (__force iwl_ucode_tlv_capa_t)40,
 	IWL_UCODE_TLV_CAPA_D0I3_END_FIRST		= (__force iwl_ucode_tlv_capa_t)41,
 	IWL_UCODE_TLV_CAPA_TLC_OFFLOAD                  = (__force iwl_ucode_tlv_capa_t)43,
 	IWL_UCODE_TLV_CAPA_DYNAMIC_QUOTA                = (__force iwl_ucode_tlv_capa_t)44,
+	IWL_UCODE_TLV_CAPA_COEX_SCHEMA_2		= (__force iwl_ucode_tlv_capa_t)45,
+	IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD		= (__force iwl_ucode_tlv_capa_t)46,
+	IWL_UCODE_TLV_CAPA_FTM_CALIBRATED		= (__force iwl_ucode_tlv_capa_t)47,
+	IWL_UCODE_TLV_CAPA_ULTRA_HB_CHANNELS		= (__force iwl_ucode_tlv_capa_t)48,
+	IWL_UCODE_TLV_CAPA_CS_MODIFY			= (__force iwl_ucode_tlv_capa_t)49,
+	IWL_UCODE_TLV_CAPA_SET_LTR_GEN2			= (__force iwl_ucode_tlv_capa_t)50,
+	IWL_UCODE_TLV_CAPA_SET_PPAG			= (__force iwl_ucode_tlv_capa_t)52,
+	IWL_UCODE_TLV_CAPA_TAS_CFG			= (__force iwl_ucode_tlv_capa_t)53,
+	IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD		= (__force iwl_ucode_tlv_capa_t)54,
+	IWL_UCODE_TLV_CAPA_PROTECTED_TWT		= (__force iwl_ucode_tlv_capa_t)56,
+
+	/* set 2 */
 	IWL_UCODE_TLV_CAPA_EXTENDED_DTS_MEASURE		= (__force iwl_ucode_tlv_capa_t)64,
 	IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS		= (__force iwl_ucode_tlv_capa_t)65,
 	IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT		= (__force iwl_ucode_tlv_capa_t)67,
@@ -388,7 +468,7 @@
 	IWL_UCODE_TLV_CAPA_CSA_AND_TBTT_OFFLOAD		= (__force iwl_ucode_tlv_capa_t)70,
 	IWL_UCODE_TLV_CAPA_BEACON_ANT_SELECTION		= (__force iwl_ucode_tlv_capa_t)71,
 	IWL_UCODE_TLV_CAPA_BEACON_STORING		= (__force iwl_ucode_tlv_capa_t)72,
-	IWL_UCODE_TLV_CAPA_LAR_SUPPORT_V2		= (__force iwl_ucode_tlv_capa_t)73,
+	IWL_UCODE_TLV_CAPA_LAR_SUPPORT_V3		= (__force iwl_ucode_tlv_capa_t)73,
 	IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW		= (__force iwl_ucode_tlv_capa_t)74,
 	IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT	= (__force iwl_ucode_tlv_capa_t)75,
 	IWL_UCODE_TLV_CAPA_CTDP_SUPPORT			= (__force iwl_ucode_tlv_capa_t)76,
@@ -396,7 +476,14 @@
 	IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG	= (__force iwl_ucode_tlv_capa_t)80,
 	IWL_UCODE_TLV_CAPA_LQM_SUPPORT			= (__force iwl_ucode_tlv_capa_t)81,
 	IWL_UCODE_TLV_CAPA_TX_POWER_ACK			= (__force iwl_ucode_tlv_capa_t)84,
-	IWL_UCODE_TLV_CAPA_LED_CMD_SUPPORT		= (__force iwl_ucode_tlv_capa_t)86,
+	IWL_UCODE_TLV_CAPA_D3_DEBUG			= (__force iwl_ucode_tlv_capa_t)87,
+	IWL_UCODE_TLV_CAPA_LED_CMD_SUPPORT		= (__force iwl_ucode_tlv_capa_t)88,
+	IWL_UCODE_TLV_CAPA_MCC_UPDATE_11AX_SUPPORT	= (__force iwl_ucode_tlv_capa_t)89,
+	IWL_UCODE_TLV_CAPA_CSI_REPORTING		= (__force iwl_ucode_tlv_capa_t)90,
+	IWL_UCODE_TLV_CAPA_DBG_SUSPEND_RESUME_CMD_SUPP	= (__force iwl_ucode_tlv_capa_t)92,
+	IWL_UCODE_TLV_CAPA_DBG_BUF_ALLOC_CMD_SUPP	= (__force iwl_ucode_tlv_capa_t)93,
+
+	/* set 3 */
 	IWL_UCODE_TLV_CAPA_MLME_OFFLOAD			= (__force iwl_ucode_tlv_capa_t)96,
 
 	NUM_IWL_UCODE_TLV_CAPA
@@ -451,6 +538,10 @@
 	FW_PHY_CFG_TX_CHAIN = 0xf << FW_PHY_CFG_TX_CHAIN_POS,
 	FW_PHY_CFG_RX_CHAIN_POS = 20,
 	FW_PHY_CFG_RX_CHAIN = 0xf << FW_PHY_CFG_RX_CHAIN_POS,
+	FW_PHY_CFG_CHAIN_SAD_POS = 23,
+	FW_PHY_CFG_CHAIN_SAD_ENABLED = 0x1 << FW_PHY_CFG_CHAIN_SAD_POS,
+	FW_PHY_CFG_CHAIN_SAD_ANT_A = 0x2 << FW_PHY_CFG_CHAIN_SAD_POS,
+	FW_PHY_CFG_CHAIN_SAD_ANT_B = 0x4 << FW_PHY_CFG_CHAIN_SAD_POS,
 	FW_PHY_CFG_SHARED_CLK = BIT(31),
 };
 
@@ -528,22 +619,9 @@
 };
 
 /**
- * enum iwl_fw_mem_seg_type - memory segment type
- * @FW_DBG_MEM_TYPE_MASK: mask for the type indication
- * @FW_DBG_MEM_TYPE_REGULAR: regular memory
- * @FW_DBG_MEM_TYPE_PRPH: periphery memory (requires special reading)
- */
-enum iwl_fw_mem_seg_type {
-	FW_DBG_MEM_TYPE_MASK	= 0xff000000,
-	FW_DBG_MEM_TYPE_REGULAR	= 0x00000000,
-	FW_DBG_MEM_TYPE_PRPH	= 0x01000000,
-};
-
-/**
  * struct iwl_fw_dbg_mem_seg_tlv - configures the debug data memory segments
  *
- * @data_type: the memory segment type to record, see &enum iwl_fw_mem_seg_type
- *	for what we care about
+ * @data_type: the memory segment type to record
  * @ofs: the memory segment offset
  * @len: the memory segment length, in bytes
  *
@@ -892,4 +970,35 @@
 	struct iwl_fw_dbg_conf_hcmd hcmd;
 } __packed;
 
+#define IWL_FW_CMD_VER_UNKNOWN 99
+
+/**
+ * struct iwl_fw_cmd_version - firmware command version entry
+ * @cmd: command ID
+ * @group: group ID
+ * @cmd_ver: command version
+ * @notif_ver: notification version
+ */
+struct iwl_fw_cmd_version {
+	u8 cmd;
+	u8 group;
+	u8 cmd_ver;
+	u8 notif_ver;
+} __packed;
+
+static inline size_t _iwl_tlv_array_len(const struct iwl_ucode_tlv *tlv,
+					size_t fixed_size, size_t var_size)
+{
+	size_t var_len = le32_to_cpu(tlv->length) - fixed_size;
+
+	if (WARN_ON(var_len % var_size))
+		return 0;
+
+	return var_len / var_size;
+}
+
+#define iwl_tlv_array_len(_tlv_ptr, _struct_ptr, _memb)			\
+	_iwl_tlv_array_len((_tlv_ptr), sizeof(*(_struct_ptr)),		\
+			   sizeof(_struct_ptr->_memb[0]))
+
 #endif  /* __iwl_fw_file_h__ */

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