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Second batch of iwlwifi patches for 4.18

Browse source 
* Some preparations for new hardware;
 * A workaround to rescan the bus for the rare situation when older
   devices become irresponsive,
 * Hardening of the firmware loading code to avoid issues with
   corrupted files;
 * A few clean-ups and bugfixes.
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Merge tag 'iwlwifi-next-for-kalle-2018-04-26' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

Second batch of iwlwifi patches for 4.18

* Some preparations for new hardware;
* A workaround to rescan the bus for the rare situation when older
  devices become irresponsive,
* Hardening of the firmware loading code to avoid issues with
  corrupted files;
* A few clean-ups and bugfixes.
This commit is contained in:
Kalle Valo 2018-04-30 13:02:30 +03:00
commit d22c763de5
28 changed files with 400 additions and 164 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/net/wireless/intel/iwlwifi/cfg/1000.c
View file

@ -1,6 +1,7 @@
/******************************************************************************
*
* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2018 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
@ -27,7 +28,6 @@
#include <linux/module.h>
#include <linux/stringify.h>
#include "iwl-config.h"
#include "iwl-csr.h"
#include "iwl-agn-hw.h"
/* Highest firmware API version supported */
@ -91,7 +91,8 @@ static const struct iwl_eeprom_params iwl1000_eeprom_params = {
.base_params = &iwl1000_base_params, \
.eeprom_params = &iwl1000_eeprom_params, \
.led_mode = IWL_LED_BLINK, \
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.csr = &iwl_csr_v1
const struct iwl_cfg iwl1000_bgn_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 1000 BGN",
@ -117,7 +118,8 @@ const struct iwl_cfg iwl1000_bg_cfg = {
.eeprom_params = &iwl1000_eeprom_params, \
.led_mode = IWL_LED_RF_STATE, \
.rx_with_siso_diversity = true, \
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.csr = &iwl_csr_v1
const struct iwl_cfg iwl100_bgn_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 100 BGN",

13
drivers/net/wireless/intel/iwlwifi/cfg/2000.c
View file

@ -1,6 +1,7 @@
/******************************************************************************
*
* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2018 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
@ -115,7 +116,8 @@ static const struct iwl_eeprom_params iwl20x0_eeprom_params = {
.base_params = &iwl2000_base_params, \
.eeprom_params = &iwl20x0_eeprom_params, \
.led_mode = IWL_LED_RF_STATE, \
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.csr = &iwl_csr_v1
const struct iwl_cfg iwl2000_2bgn_cfg = {
@ -142,7 +144,8 @@ const struct iwl_cfg iwl2000_2bgn_d_cfg = {
.base_params = &iwl2030_base_params, \
.eeprom_params = &iwl20x0_eeprom_params, \
.led_mode = IWL_LED_RF_STATE, \
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.csr = &iwl_csr_v1
const struct iwl_cfg iwl2030_2bgn_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 2230 BGN",
@ -163,7 +166,8 @@ const struct iwl_cfg iwl2030_2bgn_cfg = {
.eeprom_params = &iwl20x0_eeprom_params, \
.led_mode = IWL_LED_RF_STATE, \
.rx_with_siso_diversity = true, \
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.csr = &iwl_csr_v1
const struct iwl_cfg iwl105_bgn_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 105 BGN",
@ -190,7 +194,8 @@ const struct iwl_cfg iwl105_bgn_d_cfg = {
.eeprom_params = &iwl20x0_eeprom_params, \
.led_mode = IWL_LED_RF_STATE, \
.rx_with_siso_diversity = true, \
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.csr = &iwl_csr_v1
const struct iwl_cfg iwl135_bgn_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 135 BGN",

10
drivers/net/wireless/intel/iwlwifi/cfg/22000.c
View file

@ -54,7 +54,6 @@
#include <linux/module.h>
#include <linux/stringify.h>
#include "iwl-config.h"
#include "iwl-agn-hw.h"
/* Highest firmware API version supported */
#define IWL_22000_UCODE_API_MAX 38
@ -115,8 +114,6 @@ static const struct iwl_ht_params iwl_22000_ht_params = {
.ucode_api_max = IWL_22000_UCODE_API_MAX, \
.ucode_api_min = IWL_22000_UCODE_API_MIN, \
.device_family = IWL_DEVICE_FAMILY_22000, \
.max_inst_size = IWL60_RTC_INST_SIZE, \
.max_data_size = IWL60_RTC_DATA_SIZE, \
.base_params = &iwl_22000_base_params, \
.led_mode = IWL_LED_RF_STATE, \
.nvm_hw_section_num = NVM_HW_SECTION_NUM_FAMILY_22000, \
@ -143,6 +140,7 @@ const struct iwl_cfg iwl22000_2ac_cfg_hr = {
.name = "Intel(R) Dual Band Wireless AC 22000",
.fw_name_pre = IWL_22000_HR_FW_PRE,
IWL_DEVICE_22000,
.csr = &iwl_csr_v1,
.ht_params = &iwl_22000_ht_params,
.nvm_ver = IWL_22000_NVM_VERSION,
.nvm_calib_ver = IWL_22000_TX_POWER_VERSION,
@ -153,6 +151,7 @@ const struct iwl_cfg iwl22000_2ac_cfg_hr_cdb = {
.name = "Intel(R) Dual Band Wireless AC 22000",
.fw_name_pre = IWL_22000_HR_CDB_FW_PRE,
IWL_DEVICE_22000,
.csr = &iwl_csr_v1,
.ht_params = &iwl_22000_ht_params,
.nvm_ver = IWL_22000_NVM_VERSION,
.nvm_calib_ver = IWL_22000_TX_POWER_VERSION,
@ -164,6 +163,7 @@ const struct iwl_cfg iwl22000_2ac_cfg_jf = {
.name = "Intel(R) Dual Band Wireless AC 22000",
.fw_name_pre = IWL_22000_JF_FW_PRE,
IWL_DEVICE_22000,
.csr = &iwl_csr_v1,
.ht_params = &iwl_22000_ht_params,
.nvm_ver = IWL_22000_NVM_VERSION,
.nvm_calib_ver = IWL_22000_TX_POWER_VERSION,
@ -174,6 +174,7 @@ const struct iwl_cfg iwl22000_2ax_cfg_hr = {
.name = "Intel(R) Dual Band Wireless AX 22000",
.fw_name_pre = IWL_22000_HR_FW_PRE,
IWL_DEVICE_22000,
.csr = &iwl_csr_v1,
.ht_params = &iwl_22000_ht_params,
.nvm_ver = IWL_22000_NVM_VERSION,
.nvm_calib_ver = IWL_22000_TX_POWER_VERSION,
@ -184,6 +185,7 @@ const struct iwl_cfg iwl22000_2ax_cfg_qnj_hr_f0 = {
.name = "Intel(R) Dual Band Wireless AX 22000",
.fw_name_pre = IWL_22000_HR_F0_FW_PRE,
IWL_DEVICE_22000,
.csr = &iwl_csr_v1,
.ht_params = &iwl_22000_ht_params,
.nvm_ver = IWL_22000_NVM_VERSION,
.nvm_calib_ver = IWL_22000_TX_POWER_VERSION,
@ -194,6 +196,7 @@ const struct iwl_cfg iwl22000_2ax_cfg_qnj_jf_b0 = {
.name = "Intel(R) Dual Band Wireless AX 22000",
.fw_name_pre = IWL_22000_JF_B0_FW_PRE,
IWL_DEVICE_22000,
.csr = &iwl_csr_v1,
.ht_params = &iwl_22000_ht_params,
.nvm_ver = IWL_22000_NVM_VERSION,
.nvm_calib_ver = IWL_22000_TX_POWER_VERSION,
@ -204,6 +207,7 @@ const struct iwl_cfg iwl22000_2ax_cfg_qnj_hr_a0 = {
.name = "Intel(R) Dual Band Wireless AX 22000",
.fw_name_pre = IWL_22000_HR_A0_FW_PRE,
IWL_DEVICE_22000,
.csr = &iwl_csr_v1,
.ht_params = &iwl_22000_ht_params,
.nvm_ver = IWL_22000_NVM_VERSION,
.nvm_calib_ver = IWL_22000_TX_POWER_VERSION,

8
drivers/net/wireless/intel/iwlwifi/cfg/5000.c
View file

@ -1,6 +1,7 @@
/******************************************************************************
*
* Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2018 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
@ -28,7 +29,6 @@
#include <linux/stringify.h>
#include "iwl-config.h"
#include "iwl-agn-hw.h"
#include "iwl-csr.h"
/* Highest firmware API version supported */
#define IWL5000_UCODE_API_MAX 5
@ -89,7 +89,8 @@ static const struct iwl_eeprom_params iwl5000_eeprom_params = {
.base_params = &iwl5000_base_params, \
.eeprom_params = &iwl5000_eeprom_params, \
.led_mode = IWL_LED_BLINK, \
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.csr = &iwl_csr_v1
const struct iwl_cfg iwl5300_agn_cfg = {
.name = "Intel(R) Ultimate N WiFi Link 5300 AGN",
@ -153,7 +154,8 @@ const struct iwl_cfg iwl5350_agn_cfg = {
.eeprom_params = &iwl5000_eeprom_params, \
.led_mode = IWL_LED_BLINK, \
.internal_wimax_coex = true, \
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.csr = &iwl_csr_v1
const struct iwl_cfg iwl5150_agn_cfg = {
.name = "Intel(R) WiMAX/WiFi Link 5150 AGN",

19
drivers/net/wireless/intel/iwlwifi/cfg/6000.c
View file

@ -1,6 +1,7 @@
/******************************************************************************
*
* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2018 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
@ -135,7 +136,8 @@ static const struct iwl_eeprom_params iwl6000_eeprom_params = {
.base_params = &iwl6000_g2_base_params, \
.eeprom_params = &iwl6000_eeprom_params, \
.led_mode = IWL_LED_RF_STATE, \
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.csr = &iwl_csr_v1
const struct iwl_cfg iwl6005_2agn_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6205 AGN",
@ -189,7 +191,8 @@ const struct iwl_cfg iwl6005_2agn_mow2_cfg = {
.base_params = &iwl6000_g2_base_params, \
.eeprom_params = &iwl6000_eeprom_params, \
.led_mode = IWL_LED_RF_STATE, \
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.csr = &iwl_csr_v1
const struct iwl_cfg iwl6030_2agn_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6230 AGN",
@ -225,7 +228,8 @@ const struct iwl_cfg iwl6030_2bg_cfg = {
.base_params = &iwl6000_g2_base_params, \
.eeprom_params = &iwl6000_eeprom_params, \
.led_mode = IWL_LED_RF_STATE, \
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.csr = &iwl_csr_v1
const struct iwl_cfg iwl6035_2agn_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6235 AGN",
@ -280,7 +284,8 @@ const struct iwl_cfg iwl130_bg_cfg = {
.base_params = &iwl6000_base_params, \
.eeprom_params = &iwl6000_eeprom_params, \
.led_mode = IWL_LED_BLINK, \
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.csr = &iwl_csr_v1
const struct iwl_cfg iwl6000i_2agn_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6200 AGN",
@ -313,7 +318,8 @@ const struct iwl_cfg iwl6000i_2bg_cfg = {
.eeprom_params = &iwl6000_eeprom_params, \
.led_mode = IWL_LED_BLINK, \
.internal_wimax_coex = true, \
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.csr = &iwl_csr_v1
const struct iwl_cfg iwl6050_2agn_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 AGN",
@ -339,7 +345,8 @@ const struct iwl_cfg iwl6050_2abg_cfg = {
.eeprom_params = &iwl6000_eeprom_params, \
.led_mode = IWL_LED_BLINK, \
.internal_wimax_coex = true, \
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.csr = &iwl_csr_v1
const struct iwl_cfg iwl6150_bgn_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BGN",

8
drivers/net/wireless/intel/iwlwifi/cfg/7000.c
View file

@ -8,6 +8,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2015 Intel Deutschland GmbH
* Copyright(c) 2018 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
@ -35,6 +36,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2015 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -68,7 +70,6 @@
#include <linux/module.h>
#include <linux/stringify.h>
#include "iwl-config.h"
#include "iwl-agn-hw.h"
/* Highest firmware API version supported */
#define IWL7260_UCODE_API_MAX 17
@ -160,14 +161,13 @@ static const struct iwl_ht_params iwl7000_ht_params = {
#define IWL_DEVICE_7000_COMMON \
.device_family = IWL_DEVICE_FAMILY_7000, \
.max_inst_size = IWL60_RTC_INST_SIZE, \
.max_data_size = IWL60_RTC_DATA_SIZE, \
.base_params = &iwl7000_base_params, \
.led_mode = IWL_LED_RF_STATE, \
.nvm_hw_section_num = NVM_HW_SECTION_NUM_FAMILY_7000, \
.non_shared_ant = ANT_A, \
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.dccm_offset = IWL7000_DCCM_OFFSET
.dccm_offset = IWL7000_DCCM_OFFSET, \
.csr = &iwl_csr_v1
#define IWL_DEVICE_7000 \
IWL_DEVICE_7000_COMMON, \

8
drivers/net/wireless/intel/iwlwifi/cfg/8000.c
View file

@ -8,6 +8,7 @@
* Copyright(c) 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2014 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 Intel Deutschland GmbH
* Copyright(c) 2018 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
@ -34,6 +35,7 @@
*
* Copyright(c) 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2014 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -67,7 +69,6 @@
#include <linux/module.h>
#include <linux/stringify.h>
#include "iwl-config.h"
#include "iwl-agn-hw.h"
/* Highest firmware API version supported */
#define IWL8000_UCODE_API_MAX 36
@ -140,8 +141,6 @@ static const struct iwl_tt_params iwl8000_tt_params = {
#define IWL_DEVICE_8000_COMMON \
.device_family = IWL_DEVICE_FAMILY_8000, \
.max_inst_size = IWL60_RTC_INST_SIZE, \
.max_data_size = IWL60_RTC_DATA_SIZE, \
.base_params = &iwl8000_base_params, \
.led_mode = IWL_LED_RF_STATE, \
.nvm_hw_section_num = NVM_HW_SECTION_NUM_FAMILY_8000, \
@ -158,7 +157,8 @@ static const struct iwl_tt_params iwl8000_tt_params = {
.apmg_not_supported = true, \
.nvm_type = IWL_NVM_EXT, \
.dbgc_supported = true, \
.min_umac_error_event_table = 0x800000
.min_umac_error_event_table = 0x800000, \
.csr = &iwl_csr_v1
#define IWL_DEVICE_8000 \
IWL_DEVICE_8000_COMMON, \

6
drivers/net/wireless/intel/iwlwifi/cfg/9000.c
View file

@ -54,7 +54,6 @@
#include <linux/module.h>
#include <linux/stringify.h>
#include "iwl-config.h"
#include "iwl-agn-hw.h"
#include "fw/file.h"
/* Highest firmware API version supported */
@ -135,8 +134,6 @@ static const struct iwl_tt_params iwl9000_tt_params = {
.ucode_api_max = IWL9000_UCODE_API_MAX, \
.ucode_api_min = IWL9000_UCODE_API_MIN, \
.device_family = IWL_DEVICE_FAMILY_9000, \
.max_inst_size = IWL60_RTC_INST_SIZE, \
.max_data_size = IWL60_RTC_DATA_SIZE, \
.base_params = &iwl9000_base_params, \
.led_mode = IWL_LED_RF_STATE, \
.nvm_hw_section_num = NVM_HW_SECTION_NUM_FAMILY_9000, \
@ -156,7 +153,8 @@ static const struct iwl_tt_params iwl9000_tt_params = {
.rf_id = true, \
.nvm_type = IWL_NVM_EXT, \
.dbgc_supported = true, \
.min_umac_error_event_table = 0x800000
.min_umac_error_event_table = 0x800000, \
.csr = &iwl_csr_v1
const struct iwl_cfg iwl9160_2ac_cfg = {
.name = "Intel(R) Dual Band Wireless AC 9160",

3
drivers/net/wireless/intel/iwlwifi/fw/file.h
View file

@ -8,6 +8,7 @@
* 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
*
* 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
@ -35,6 +36,7 @@
* 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
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -143,6 +145,7 @@ enum iwl_ucode_tlv_type {
IWL_UCODE_TLV_FW_DBG_TRIGGER = 40,
IWL_UCODE_TLV_FW_GSCAN_CAPA = 50,
IWL_UCODE_TLV_FW_MEM_SEG = 51,
IWL_UCODE_TLV_IML = 52,
};
struct iwl_ucode_tlv {

6
drivers/net/wireless/intel/iwlwifi/fw/img.h
View file

@ -8,6 +8,7 @@
* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 Intel Deutschland GmbH
* Copyright(c) 2018 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
@ -35,6 +36,7 @@
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -241,6 +243,8 @@ enum iwl_fw_type {
* @ucode_ver: ucode version from the ucode file
* @fw_version: firmware version string
* @img: ucode image like ucode_rt, ucode_init, ucode_wowlan.
* @iml_len: length of the image loader image
* @iml: image loader fw image
* @ucode_capa: capabilities parsed from the ucode file.
* @enhance_sensitivity_table: device can do enhanced sensitivity.
* @init_evtlog_ptr: event log offset for init ucode.
@ -267,6 +271,8 @@ struct iwl_fw {
/* ucode images */
struct fw_img img[IWL_UCODE_TYPE_MAX];
size_t iml_len;
u8 *iml;
struct iwl_ucode_capabilities ucode_capa;
bool enhance_sensitivity_table;

78
drivers/net/wireless/intel/iwlwifi/fw/paging.c
View file

@ -8,6 +8,7 @@
* Copyright(c) 2012 - 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
*
* 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
@ -30,6 +31,7 @@
* Copyright(c) 2012 - 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
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -163,7 +165,7 @@ static int iwl_alloc_fw_paging_mem(struct iwl_fw_runtime *fwrt,
static int iwl_fill_paging_mem(struct iwl_fw_runtime *fwrt,
const struct fw_img *image)
{
int sec_idx, idx;
int sec_idx, idx, ret;
u32 offset = 0;
/*
@ -190,17 +192,23 @@ static int iwl_fill_paging_mem(struct iwl_fw_runtime *fwrt,
*/
if (sec_idx >= image->num_sec - 1) {
IWL_ERR(fwrt, "Paging: Missing CSS and/or paging sections\n");
iwl_free_fw_paging(fwrt);
return -EINVAL;
ret = -EINVAL;
goto err;
}
/* copy the CSS block to the dram */
IWL_DEBUG_FW(fwrt, "Paging: load paging CSS to FW, sec = %d\n",
sec_idx);
if (image->sec[sec_idx].len > fwrt->fw_paging_db[0].fw_paging_size) {
IWL_ERR(fwrt, "CSS block is larger than paging size\n");
ret = -EINVAL;
goto err;
}
memcpy(page_address(fwrt->fw_paging_db[0].fw_paging_block),
image->sec[sec_idx].data,
fwrt->fw_paging_db[0].fw_paging_size);
image->sec[sec_idx].len);
dma_sync_single_for_device(fwrt->trans->dev,
fwrt->fw_paging_db[0].fw_paging_phys,
fwrt->fw_paging_db[0].fw_paging_size,
@ -213,17 +221,39 @@ static int iwl_fill_paging_mem(struct iwl_fw_runtime *fwrt,
sec_idx++;
/*
* copy the paging blocks to the dram
* loop index start from 1 since that CSS block already copied to dram
* and CSS index is 0.
* loop stop at num_of_paging_blk since that last block is not full.
* Copy the paging blocks to the dram. The loop index starts
* from 1 since the CSS block (index 0) was already copied to
* dram. We use num_of_paging_blk + 1 to account for that.
*/
for (idx = 1; idx < fwrt->num_of_paging_blk; idx++) {
for (idx = 1; idx < fwrt->num_of_paging_blk + 1; idx++) {
struct iwl_fw_paging *block = &fwrt->fw_paging_db[idx];
int remaining = image->sec[sec_idx].len - offset;
int len = block->fw_paging_size;
/*
* For the last block, we copy all that is remaining,
* for all other blocks, we copy fw_paging_size at a
* time. */
if (idx == fwrt->num_of_paging_blk) {
len = remaining;
if (remaining !=
fwrt->num_of_pages_in_last_blk * FW_PAGING_SIZE) {
IWL_ERR(fwrt,
"Paging: last block contains more data than expected %d\n",
remaining);
ret = -EINVAL;
goto err;
}
} else if (block->fw_paging_size > remaining) {
IWL_ERR(fwrt,
"Paging: not enough data in other in block %d (%d)\n",
idx, remaining);
ret = -EINVAL;
goto err;
}
memcpy(page_address(block->fw_paging_block),
image->sec[sec_idx].data + offset,
block->fw_paging_size);
image->sec[sec_idx].data + offset, len);
dma_sync_single_for_device(fwrt->trans->dev,
block->fw_paging_phys,
block->fw_paging_size,
@ -231,30 +261,16 @@ static int iwl_fill_paging_mem(struct iwl_fw_runtime *fwrt,
IWL_DEBUG_FW(fwrt,
"Paging: copied %d paging bytes to block %d\n",
fwrt->fw_paging_db[idx].fw_paging_size,
idx);
len, idx);
offset += fwrt->fw_paging_db[idx].fw_paging_size;
}
/* copy the last paging block */
if (fwrt->num_of_pages_in_last_blk > 0) {
struct iwl_fw_paging *block = &fwrt->fw_paging_db[idx];
memcpy(page_address(block->fw_paging_block),
image->sec[sec_idx].data + offset,
FW_PAGING_SIZE * fwrt->num_of_pages_in_last_blk);
dma_sync_single_for_device(fwrt->trans->dev,
block->fw_paging_phys,
block->fw_paging_size,
DMA_BIDIRECTIONAL);
IWL_DEBUG_FW(fwrt,
"Paging: copied %d pages in the last block %d\n",
fwrt->num_of_pages_in_last_blk, idx);
offset += block->fw_paging_size;
}
return 0;
err:
iwl_free_fw_paging(fwrt);
return ret;
}
static int iwl_save_fw_paging(struct iwl_fw_runtime *fwrt,

87
drivers/net/wireless/intel/iwlwifi/iwl-config.h
View file

@ -7,6 +7,7 @@
*
* Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
* Copyright (C) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 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
@ -33,6 +34,7 @@
*
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright (C) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -69,6 +71,7 @@
#include <linux/netdevice.h>
#include <linux/ieee80211.h>
#include <linux/nl80211.h>
#include "iwl-csr.h"
enum iwl_device_family {
IWL_DEVICE_FAMILY_UNDEFINED,
@ -284,6 +287,52 @@ struct iwl_pwr_tx_backoff {
u32 backoff;
};
/**
* struct iwl_csr_params
*
* @flag_sw_reset: reset the device
* @flag_mac_clock_ready:
* Indicates MAC (ucode processor, etc.) is powered up and can run.
* Internal resources are accessible.
* NOTE: This does not indicate that the processor is actually running.
* NOTE: This does not indicate that device has completed
* init or post-power-down restore of internal SRAM memory.
* Use CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP as indication that
* SRAM is restored and uCode is in normal operation mode.
* This note is relevant only for pre 5xxx devices.
* NOTE: After device reset, this bit remains "0" until host sets
* INIT_DONE
* @flag_init_done: Host sets this to put device into fully operational
* D0 power mode. Host resets this after SW_RESET to put device into
* low power mode.
* @flag_mac_access_req: Host sets this to request and maintain MAC wakeup,
* to allow host access to device-internal resources. Host must wait for
* mac_clock_ready (and !GOING_TO_SLEEP) before accessing non-CSR device
* registers.
* @flag_val_mac_access_en: mac access is enabled
* @flag_master_dis: disable master
* @flag_stop_master: stop master
* @addr_sw_reset: address for resetting the device
* @mac_addr0_otp: first part of MAC address from OTP
* @mac_addr1_otp: second part of MAC address from OTP
* @mac_addr0_strap: first part of MAC address from strap
* @mac_addr1_strap: second part of MAC address from strap
*/
struct iwl_csr_params {
u8 flag_sw_reset;
u8 flag_mac_clock_ready;
u8 flag_init_done;
u8 flag_mac_access_req;
u8 flag_val_mac_access_en;
u8 flag_master_dis;
u8 flag_stop_master;
u8 addr_sw_reset;
u32 mac_addr0_otp;
u32 mac_addr1_otp;
u32 mac_addr0_strap;
u32 mac_addr1_strap;
};
/**
* struct iwl_cfg
* @name: Official name of the device
@ -296,8 +345,8 @@ struct iwl_pwr_tx_backoff {
* next step. Supported only in integrated solutions.
* @ucode_api_max: Highest version of uCode API supported by driver.
* @ucode_api_min: Lowest version of uCode API supported by driver.
* @max_inst_size: The maximal length of the fw inst section
* @max_data_size: The maximal length of the fw data section
* @max_inst_size: The maximal length of the fw inst section (only DVM)
* @max_data_size: The maximal length of the fw data section (only DVM)
* @valid_tx_ant: valid transmit antenna
* @valid_rx_ant: valid receive antenna
* @non_shared_ant: the antenna that is for WiFi only
@ -316,6 +365,7 @@ struct iwl_pwr_tx_backoff {
* @mac_addr_from_csr: read HW address from CSR registers
* @features: hw features, any combination of feature_whitelist
* @pwr_tx_backoffs: translation table between power limits and backoffs
* @csr: csr flags and addresses that are different across devices
* @max_rx_agg_size: max RX aggregation size of the ADDBA request/response
* @max_tx_agg_size: max TX aggregation size of the ADDBA request/response
* @max_ht_ampdu_factor: the exponent of the max length of A-MPDU that the
@ -354,6 +404,7 @@ struct iwl_cfg {
const struct iwl_pwr_tx_backoff *pwr_tx_backoffs;
const char *default_nvm_file_C_step;
const struct iwl_tt_params *thermal_params;
const struct iwl_csr_params *csr;
enum iwl_device_family device_family;
enum iwl_led_mode led_mode;
enum iwl_nvm_type nvm_type;
@ -369,7 +420,7 @@ struct iwl_cfg {
u32 soc_latency;
u16 nvm_ver;
u16 nvm_calib_ver;
u16 rx_with_siso_diversity:1,
u32 rx_with_siso_diversity:1,
bt_shared_single_ant:1,
internal_wimax_coex:1,
host_interrupt_operation_mode:1,
@ -400,6 +451,36 @@ struct iwl_cfg {
u32 extra_phy_cfg_flags;
};
static const struct iwl_csr_params iwl_csr_v1 = {
.flag_mac_clock_ready = 0,
.flag_val_mac_access_en = 0,
.flag_init_done = 2,
.flag_mac_access_req = 3,
.flag_sw_reset = 7,
.flag_master_dis = 8,
.flag_stop_master = 9,
.addr_sw_reset = (CSR_BASE + 0x020),
.mac_addr0_otp = 0x380,
.mac_addr1_otp = 0x384,
.mac_addr0_strap = 0x388,
.mac_addr1_strap = 0x38C
};
static const struct iwl_csr_params iwl_csr_v2 = {
.flag_init_done = 6,
.flag_mac_clock_ready = 20,
.flag_val_mac_access_en = 20,
.flag_mac_access_req = 21,
.flag_master_dis = 28,
.flag_stop_master = 29,
.flag_sw_reset = 31,
.addr_sw_reset = (CSR_BASE + 0x024),
.mac_addr0_otp = 0x30,
.mac_addr1_otp = 0x34,
.mac_addr0_strap = 0x38,
.mac_addr1_strap = 0x3C
};
/*
* This list declares the config structures for all devices.
*/

28
drivers/net/wireless/intel/iwlwifi/iwl-csr.h
View file

@ -8,6 +8,7 @@
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2016 Intel Deutschland GmbH
* Copyright(c) 2018 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
@ -34,6 +35,7 @@
*
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -257,7 +259,6 @@
/* RESET */
#define CSR_RESET_REG_FLAG_NEVO_RESET (0x00000001)
#define CSR_RESET_REG_FLAG_FORCE_NMI (0x00000002)
#define CSR_RESET_REG_FLAG_SW_RESET (0x00000080)
#define CSR_RESET_REG_FLAG_MASTER_DISABLED (0x00000100)
#define CSR_RESET_REG_FLAG_STOP_MASTER (0x00000200)
#define CSR_RESET_LINK_PWR_MGMT_DISABLED (0x80000000)
@ -280,35 +281,10 @@
* 4: GOING_TO_SLEEP
* Indicates MAC is entering a power-saving sleep power-down.
* Not a good time to access device-internal resources.
* 3: MAC_ACCESS_REQ
* Host sets this to request and maintain MAC wakeup, to allow host
* access to device-internal resources. Host must wait for
* MAC_CLOCK_READY (and !GOING_TO_SLEEP) before accessing non-CSR
* device registers.
* 2: INIT_DONE
* Host sets this to put device into fully operational D0 power mode.
* Host resets this after SW_RESET to put device into low power mode.
* 0: MAC_CLOCK_READY
* Indicates MAC (ucode processor, etc.) is powered up and can run.
* Internal resources are accessible.
* NOTE: This does not indicate that the processor is actually running.
* NOTE: This does not indicate that device has completed
* init or post-power-down restore of internal SRAM memory.
* Use CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP as indication that
* SRAM is restored and uCode is in normal operation mode.
* Later devices (5xxx/6xxx/1xxx) use non-volatile SRAM, and
* do not need to save/restore it.
* NOTE: After device reset, this bit remains "0" until host sets
* INIT_DONE
*/
#define CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY (0x00000001)
#define CSR_GP_CNTRL_REG_FLAG_INIT_DONE (0x00000004)
#define CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ (0x00000008)
#define CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP (0x00000010)
#define CSR_GP_CNTRL_REG_FLAG_XTAL_ON (0x00000400)
#define CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN (0x00000001)
#define CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE (0x07000000)
#define CSR_GP_CNTRL_REG_FLAG_RFKILL_WAKE_L1A_EN (0x04000000)
#define CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW (0x08000000)

14
drivers/net/wireless/intel/iwlwifi/iwl-drv.c
View file

@ -179,6 +179,7 @@ static void iwl_dealloc_ucode(struct iwl_drv *drv)
for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++)
kfree(drv->fw.dbg_trigger_tlv[i]);
kfree(drv->fw.dbg_mem_tlv);
kfree(drv->fw.iml);
for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
iwl_free_fw_img(drv, drv->fw.img + i);
@ -1126,6 +1127,13 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
pieces->n_dbg_mem_tlv++;
break;
}
case IWL_UCODE_TLV_IML: {
drv->fw.iml_len = tlv_len;
drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL);
if (!drv->fw.iml)
return -ENOMEM;
break;
}
default:
IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
break;
@ -1842,3 +1850,9 @@ MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)");
module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444);
MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)");
module_param_named(remove_when_gone,
iwlwifi_mod_params.remove_when_gone, bool,
0444);
MODULE_PARM_DESC(remove_when_gone,
"Remove dev from PCIe bus if it is deemed inaccessible (default: false)");

8
drivers/net/wireless/intel/iwlwifi/iwl-eeprom-read.c
View file

@ -6,6 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2018 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
@ -31,6 +32,7 @@
* BSD LICENSE
*
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -199,12 +201,12 @@ static int iwl_init_otp_access(struct iwl_trans *trans)
/* Enable 40MHz radio clock */
iwl_write32(trans, CSR_GP_CNTRL,
iwl_read32(trans, CSR_GP_CNTRL) |
CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
BIT(trans->cfg->csr->flag_init_done));
/* wait for clock to be ready */
ret = iwl_poll_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
BIT(trans->cfg->csr->flag_mac_clock_ready),
BIT(trans->cfg->csr->flag_mac_clock_ready),
25000);
if (ret < 0) {
IWL_ERR(trans, "Time out access OTP\n");

2
drivers/net/wireless/intel/iwlwifi/iwl-modparams.h
View file

@ -122,6 +122,7 @@ enum iwl_uapsd_disable {
* @lar_disable: disable LAR (regulatory), default = 0
* @fw_monitor: allow to use firmware monitor
* @disable_11ac: disable VHT capabilities, default = false.
* @remove_when_gone: remove an inaccessible device from the PCIe bus.
*/
struct iwl_mod_params {
int swcrypto;
@ -143,6 +144,7 @@ struct iwl_mod_params {
bool lar_disable;
bool fw_monitor;
bool disable_11ac;
bool remove_when_gone;
};
#endif /* #__iwl_modparams_h__ */

14
drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
View file

@ -579,8 +579,12 @@ static void iwl_flip_hw_address(__le32 mac_addr0, __le32 mac_addr1, u8 *dest)
static void iwl_set_hw_address_from_csr(struct iwl_trans *trans,
struct iwl_nvm_data *data)
{
__le32 mac_addr0 = cpu_to_le32(iwl_read32(trans, CSR_MAC_ADDR0_STRAP));
__le32 mac_addr1 = cpu_to_le32(iwl_read32(trans, CSR_MAC_ADDR1_STRAP));
__le32 mac_addr0 =
cpu_to_le32(iwl_read32(trans,
trans->cfg->csr->mac_addr0_strap));
__le32 mac_addr1 =
cpu_to_le32(iwl_read32(trans,
trans->cfg->csr->mac_addr1_strap));
iwl_flip_hw_address(mac_addr0, mac_addr1, data->hw_addr);
/*
@ -590,8 +594,10 @@ static void iwl_set_hw_address_from_csr(struct iwl_trans *trans,
if (is_valid_ether_addr(data->hw_addr))
return;
mac_addr0 = cpu_to_le32(iwl_read32(trans, CSR_MAC_ADDR0_OTP));
mac_addr1 = cpu_to_le32(iwl_read32(trans, CSR_MAC_ADDR1_OTP));
mac_addr0 = cpu_to_le32(iwl_read32(trans,
trans->cfg->csr->mac_addr0_otp));
mac_addr1 = cpu_to_le32(iwl_read32(trans,
trans->cfg->csr->mac_addr1_otp));
iwl_flip_hw_address(mac_addr0, mac_addr1, data->hw_addr);
}

5
drivers/net/wireless/intel/iwlwifi/iwl-trans.h
View file

@ -691,6 +691,8 @@ enum iwl_plat_pm_mode {
* @wide_cmd_header: true when ucode supports wide command header format
* @num_rx_queues: number of RX queues allocated by the transport;
* the transport must set this before calling iwl_drv_start()
* @iml_len: the length of the image loader
* @iml: a pointer to the image loader itself
* @dev_cmd_pool: pool for Tx cmd allocation - for internal use only.
* The user should use iwl_trans_{alloc,free}_tx_cmd.
* @rx_mpdu_cmd: MPDU RX command ID, must be assigned by opmode before
@ -735,6 +737,9 @@ struct iwl_trans {
u8 num_rx_queues;
size_t iml_len;
u8 *iml;
/* The following fields are internal only */
struct kmem_cache *dev_cmd_pool;
char dev_cmd_pool_name[50];

15
drivers/net/wireless/intel/iwlwifi/mvm/d3.c
View file

@ -8,6 +8,7 @@
* Copyright(c) 2012 - 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
*
* 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
@ -18,11 +19,6 @@
* 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.
*
@ -35,6 +31,7 @@
* Copyright(c) 2012 - 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
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -693,6 +690,14 @@ iwl_mvm_get_wowlan_config(struct iwl_mvm *mvm,
IWL_WOWLAN_WAKEUP_LINK_CHANGE);
}
if (wowlan->any) {
wowlan_config_cmd->wakeup_filter |=
cpu_to_le32(IWL_WOWLAN_WAKEUP_BEACON_MISS |
IWL_WOWLAN_WAKEUP_LINK_CHANGE |
IWL_WOWLAN_WAKEUP_RX_FRAME |
IWL_WOWLAN_WAKEUP_BCN_FILTERING);
}
return 0;
}

3
drivers/net/wireless/intel/iwlwifi/mvm/ops.c
View file

@ -739,6 +739,9 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
sizeof(trans->dbg_conf_tlv));
trans->dbg_trigger_tlv = mvm->fw->dbg_trigger_tlv;
trans->iml = mvm->fw->iml;
trans->iml_len = mvm->fw->iml_len;
/* set up notification wait support */
iwl_notification_wait_init(&mvm->notif_wait);

20
drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
View file

@ -151,17 +151,9 @@ static void iwl_mvm_create_skb(struct sk_buff *skb, struct ieee80211_hdr *hdr,
unsigned int hdrlen = ieee80211_hdrlen(hdr->frame_control);
if (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_PAD) {
len -= 2;
pad_len = 2;
/*
* If the device inserted padding it means that (it thought)
* the 802.11 header wasn't a multiple of 4 bytes long. In
* this case, reserve two bytes at the start of the SKB to
* align the payload properly in case we end up copying it.
*/
skb_reserve(skb, pad_len);
}
len -= pad_len;
/* If frame is small enough to fit in skb->head, pull it completely.
* If not, only pull ieee80211_hdr (including crypto if present, and
@ -866,6 +858,16 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
return;
}
if (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_PAD) {
/*
* If the device inserted padding it means that (it thought)
* the 802.11 header wasn't a multiple of 4 bytes long. In
* this case, reserve two bytes at the start of the SKB to
* align the payload properly in case we end up copying it.
*/
skb_reserve(skb, 2);
}
rx_status = IEEE80211_SKB_RXCB(skb);
if (iwl_mvm_rx_crypto(mvm, hdr, rx_status, desc,

1
drivers/net/wireless/intel/iwlwifi/mvm/tx.c
View file

@ -803,7 +803,6 @@ static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb,
return iwl_mvm_tx_tso_segment(skb, 1, netdev_flags, mpdus_skb);
if (iwl_mvm_vif_low_latency(iwl_mvm_vif_from_mac80211(mvmsta->vif)) ||
tid_to_mac80211_ac[tid] < IEEE80211_AC_BE ||
!(mvmsta->amsdu_enabled & BIT(tid)))
return iwl_mvm_tx_tso_segment(skb, 1, netdev_flags, mpdus_skb);

8
drivers/net/wireless/intel/iwlwifi/mvm/utils.c
View file

@ -8,6 +8,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright (C) 2015 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 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
@ -35,6 +36,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright (C) 2015 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -520,15 +522,15 @@ static void iwl_mvm_dump_lmac_error_log(struct iwl_mvm *mvm, u32 base)
/* set INIT_DONE flag */
iwl_set_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
BIT(trans->cfg->csr->flag_init_done));
/* and wait for clock stabilization */
if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000)
udelay(2);
err = iwl_poll_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
BIT(trans->cfg->csr->flag_mac_clock_ready),
BIT(trans->cfg->csr->flag_mac_clock_ready),
25000);
if (err < 0) {
IWL_DEBUG_INFO(trans,

5
drivers/net/wireless/intel/iwlwifi/pcie/internal.h
View file

@ -383,6 +383,8 @@ struct iwl_self_init_dram {
* @hw_init_mask: initial unmasked hw causes
* @fh_mask: current unmasked fh causes
* @hw_mask: current unmasked hw causes
* @in_rescan: true if we have triggered a device rescan
* @scheduled_for_removal: true if we have scheduled a device removal
*/
struct iwl_trans_pcie {
struct iwl_rxq *rxq;
@ -464,6 +466,9 @@ struct iwl_trans_pcie {
u32 fh_mask;
u32 hw_mask;
cpumask_t affinity_mask[IWL_MAX_RX_HW_QUEUES];
u16 tx_cmd_queue_size;
bool in_rescan;
bool scheduled_for_removal;
};
static inline struct iwl_trans_pcie *

3
drivers/net/wireless/intel/iwlwifi/pcie/rx.c
View file

@ -3,6 +3,7 @@
* Copyright(c) 2003 - 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
*
* Portions of this file are derived from the ipw3945 project, as well
* as portions of the ieee80211 subsystem header files.
@ -201,7 +202,7 @@ static void iwl_pcie_rxq_inc_wr_ptr(struct iwl_trans *trans,
IWL_DEBUG_INFO(trans, "Rx queue requesting wakeup, GP1 = 0x%x\n",
reg);
iwl_set_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
BIT(trans->cfg->csr->flag_mac_access_req));
rxq->need_update = true;
return;
}

15
drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
View file

@ -6,6 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2017 Intel Deutschland GmbH
* Copyright(c) 2018 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
@ -19,6 +20,7 @@
* BSD LICENSE
*
* Copyright(c) 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -92,7 +94,8 @@ static int iwl_pcie_gen2_apm_init(struct iwl_trans *trans)
* Set "initialization complete" bit to move adapter from
* D0U* --> D0A* (powered-up active) state.
*/
iwl_set_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
iwl_set_bit(trans, CSR_GP_CNTRL,
BIT(trans->cfg->csr->flag_init_done));
/*
* Wait for clock stabilization; once stabilized, access to
@ -100,8 +103,9 @@ static int iwl_pcie_gen2_apm_init(struct iwl_trans *trans)
* and accesses to uCode SRAM.
*/
ret = iwl_poll_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
BIT(trans->cfg->csr->flag_mac_clock_ready),
BIT(trans->cfg->csr->flag_mac_clock_ready),
25000);
if (ret < 0) {
IWL_DEBUG_INFO(trans, "Failed to init the card\n");
return ret;
@ -143,7 +147,8 @@ static void iwl_pcie_gen2_apm_stop(struct iwl_trans *trans, bool op_mode_leave)
* Clear "initialization complete" bit to move adapter from
* D0A* (powered-up Active) --> D0U* (Uninitialized) state.
*/
iwl_clear_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
iwl_clear_bit(trans, CSR_GP_CNTRL,
BIT(trans->cfg->csr->flag_init_done));
}
void _iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans, bool low_power)
@ -187,7 +192,7 @@ void _iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans, bool low_power)
/* Make sure (redundant) we've released our request to stay awake */
iwl_clear_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
BIT(trans->cfg->csr->flag_mac_access_req));
/* Stop the device, and put it in low power state */
iwl_pcie_gen2_apm_stop(trans, false);

139
drivers/net/wireless/intel/iwlwifi/pcie/trans.c
View file

@ -8,6 +8,7 @@
* Copyright(c) 2007 - 2015 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
*
* 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
@ -35,6 +36,7 @@
* Copyright(c) 2005 - 2015 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
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -73,6 +75,7 @@
#include <linux/gfp.h>
#include <linux/vmalloc.h>
#include <linux/pm_runtime.h>
#include <linux/module.h>
#include "iwl-drv.h"
#include "iwl-trans.h"
@ -179,7 +182,8 @@ out:
static void iwl_trans_pcie_sw_reset(struct iwl_trans *trans)
{
/* Reset entire device - do controller reset (results in SHRD_HW_RST) */
iwl_set_bit(trans, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
iwl_set_bit(trans, trans->cfg->csr->addr_sw_reset,
BIT(trans->cfg->csr->flag_sw_reset));
usleep_range(5000, 6000);
}
@ -372,7 +376,8 @@ static int iwl_pcie_apm_init(struct iwl_trans *trans)
* Set "initialization complete" bit to move adapter from
* D0U* --> D0A* (powered-up active) state.
*/
iwl_set_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
iwl_set_bit(trans, CSR_GP_CNTRL,
BIT(trans->cfg->csr->flag_init_done));
/*
* Wait for clock stabilization; once stabilized, access to
@ -380,8 +385,9 @@ static int iwl_pcie_apm_init(struct iwl_trans *trans)
* and accesses to uCode SRAM.
*/
ret = iwl_poll_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
BIT(trans->cfg->csr->flag_mac_clock_ready),
BIT(trans->cfg->csr->flag_mac_clock_ready),
25000);
if (ret < 0) {
IWL_ERR(trans, "Failed to init the card\n");
return ret;
@ -459,15 +465,16 @@ static void iwl_pcie_apm_lp_xtal_enable(struct iwl_trans *trans)
* Set "initialization complete" bit to move adapter from
* D0U* --> D0A* (powered-up active) state.
*/
iwl_set_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
iwl_set_bit(trans, CSR_GP_CNTRL,
BIT(trans->cfg->csr->flag_init_done));
/*
* Wait for clock stabilization; once stabilized, access to
* device-internal resources is possible.
*/
ret = iwl_poll_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
BIT(trans->cfg->csr->flag_mac_clock_ready),
BIT(trans->cfg->csr->flag_mac_clock_ready),
25000);
if (WARN_ON(ret < 0)) {
IWL_ERR(trans, "Access time out - failed to enable LP XTAL\n");
@ -519,7 +526,7 @@ static void iwl_pcie_apm_lp_xtal_enable(struct iwl_trans *trans)
* D0A* (powered-up Active) --> D0U* (Uninitialized) state.
*/
iwl_clear_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
BIT(trans->cfg->csr->flag_init_done));
/* Activates XTAL resources monitor */
__iwl_trans_pcie_set_bit(trans, CSR_MONITOR_CFG_REG,
@ -541,11 +548,12 @@ void iwl_pcie_apm_stop_master(struct iwl_trans *trans)
int ret;
/* stop device's busmaster DMA activity */
iwl_set_bit(trans, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
iwl_set_bit(trans, trans->cfg->csr->addr_sw_reset,
BIT(trans->cfg->csr->flag_stop_master));
ret = iwl_poll_bit(trans, CSR_RESET,
CSR_RESET_REG_FLAG_MASTER_DISABLED,
CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
ret = iwl_poll_bit(trans, trans->cfg->csr->addr_sw_reset,
BIT(trans->cfg->csr->flag_master_dis),
BIT(trans->cfg->csr->flag_master_dis), 100);
if (ret < 0)
IWL_WARN(trans, "Master Disable Timed Out, 100 usec\n");
@ -594,7 +602,7 @@ static void iwl_pcie_apm_stop(struct iwl_trans *trans, bool op_mode_leave)
* D0A* (powered-up Active) --> D0U* (Uninitialized) state.
*/
iwl_clear_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
BIT(trans->cfg->csr->flag_init_done));
}
static int iwl_pcie_nic_init(struct iwl_trans *trans)
@ -1267,7 +1275,7 @@ static void _iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power)
/* Make sure (redundant) we've released our request to stay awake */
iwl_clear_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
BIT(trans->cfg->csr->flag_mac_access_req));
/* Stop the device, and put it in low power state */
iwl_pcie_apm_stop(trans, false);
@ -1497,9 +1505,9 @@ static void iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool test,
iwl_pcie_synchronize_irqs(trans);
iwl_clear_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
BIT(trans->cfg->csr->flag_mac_access_req));
iwl_clear_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
BIT(trans->cfg->csr->flag_init_done));
iwl_pcie_enable_rx_wake(trans, false);
@ -1543,15 +1551,17 @@ static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans,
iwl_pcie_reset_ict(trans);
iwl_enable_interrupts(trans);
iwl_set_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
iwl_set_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
iwl_set_bit(trans, CSR_GP_CNTRL,
BIT(trans->cfg->csr->flag_mac_access_req));
iwl_set_bit(trans, CSR_GP_CNTRL,
BIT(trans->cfg->csr->flag_init_done));
if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_8000)
udelay(2);
ret = iwl_poll_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
BIT(trans->cfg->csr->flag_mac_clock_ready),
BIT(trans->cfg->csr->flag_mac_clock_ready),
25000);
if (ret < 0) {
IWL_ERR(trans, "Failed to resume the device (mac ready)\n");
@ -1562,7 +1572,7 @@ static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans,
if (!reset) {
iwl_clear_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
BIT(trans->cfg->csr->flag_mac_access_req));
} else {
iwl_trans_pcie_tx_reset(trans);
@ -1926,6 +1936,29 @@ static void iwl_trans_pcie_set_pmi(struct iwl_trans *trans, bool state)
clear_bit(STATUS_TPOWER_PMI, &trans->status);
}
struct iwl_trans_pcie_removal {
struct pci_dev *pdev;
struct work_struct work;
};
static void iwl_trans_pcie_removal_wk(struct work_struct *wk)
{
struct iwl_trans_pcie_removal *removal =
container_of(wk, struct iwl_trans_pcie_removal, work);
struct pci_dev *pdev = removal->pdev;
char *prop[] = {"EVENT=INACCESSIBLE", NULL};
dev_err(&pdev->dev, "Device gone - attempting removal\n");
kobject_uevent_env(&pdev->dev.kobj, KOBJ_CHANGE, prop);
pci_lock_rescan_remove();
pci_dev_put(pdev);
pci_stop_and_remove_bus_device(pdev);
pci_unlock_rescan_remove();
kfree(removal);
module_put(THIS_MODULE);
}
static bool iwl_trans_pcie_grab_nic_access(struct iwl_trans *trans,
unsigned long *flags)
{
@ -1939,7 +1972,7 @@ static bool iwl_trans_pcie_grab_nic_access(struct iwl_trans *trans,
/* this bit wakes up the NIC */
__iwl_trans_pcie_set_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
BIT(trans->cfg->csr->flag_mac_access_req));
if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_8000)
udelay(2);
@ -1964,15 +1997,59 @@ static bool iwl_trans_pcie_grab_nic_access(struct iwl_trans *trans,
* and do not save/restore SRAM when power cycling.
*/
ret = iwl_poll_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN,
(CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY |
BIT(trans->cfg->csr->flag_val_mac_access_en),
(BIT(trans->cfg->csr->flag_mac_clock_ready) |
CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 15000);
if (unlikely(ret < 0)) {
iwl_trans_pcie_dump_regs(trans);
iwl_write32(trans, CSR_RESET, CSR_RESET_REG_FLAG_FORCE_NMI);
u32 cntrl = iwl_read32(trans, CSR_GP_CNTRL);
WARN_ONCE(1,
"Timeout waiting for hardware access (CSR_GP_CNTRL 0x%08x)\n",
iwl_read32(trans, CSR_GP_CNTRL));
cntrl);
iwl_trans_pcie_dump_regs(trans);
if (iwlwifi_mod_params.remove_when_gone && cntrl == ~0U) {
struct iwl_trans_pcie_removal *removal;
if (trans_pcie->scheduled_for_removal)
goto err;
IWL_ERR(trans, "Device gone - scheduling removal!\n");
/*
* get a module reference to avoid doing this
* while unloading anyway and to avoid
* scheduling a work with code that's being
* removed.
*/
if (!try_module_get(THIS_MODULE)) {
IWL_ERR(trans,
"Module is being unloaded - abort\n");
goto err;
}
removal = kzalloc(sizeof(*removal), GFP_ATOMIC);
if (!removal) {
module_put(THIS_MODULE);
goto err;
}
/*
* we don't need to clear this flag, because
* the trans will be freed and reallocated.
*/
trans_pcie->scheduled_for_removal = true;
removal->pdev = to_pci_dev(trans->dev);
INIT_WORK(&removal->work, iwl_trans_pcie_removal_wk);
pci_dev_get(removal->pdev);
schedule_work(&removal->work);
} else {
iwl_write32(trans, CSR_RESET,
CSR_RESET_REG_FLAG_FORCE_NMI);
}
err:
spin_unlock_irqrestore(&trans_pcie->reg_lock, *flags);
return false;
}
@ -2003,7 +2080,7 @@ static void iwl_trans_pcie_release_nic_access(struct iwl_trans *trans,
goto out;
__iwl_trans_pcie_clear_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
BIT(trans->cfg->csr->flag_mac_access_req));
/*
* Above we read the CSR_GP_CNTRL register, which will flush
* any previous writes, but we need the write that clears the
@ -3232,12 +3309,12 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
* id located at the AUX bus MISC address space.
*/
iwl_set_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
BIT(trans->cfg->csr->flag_init_done));
udelay(2);
ret = iwl_poll_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
BIT(trans->cfg->csr->flag_mac_clock_ready),
BIT(trans->cfg->csr->flag_mac_clock_ready),
25000);
if (ret < 0) {
IWL_DEBUG_INFO(trans, "Failed to wake up the nic\n");

24
drivers/net/wireless/intel/iwlwifi/pcie/tx.c
View file

@ -3,6 +3,7 @@
* Copyright(c) 2003 - 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
*
* Portions of this file are derived from the ipw3945 project, as well
* as portions of the ieee80211 subsystem header files.
@ -273,7 +274,7 @@ static void iwl_pcie_txq_inc_wr_ptr(struct iwl_trans *trans,
IWL_DEBUG_INFO(trans, "Tx queue %d requesting wakeup, GP1 = 0x%x\n",
txq_id, reg);
iwl_set_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
BIT(trans->cfg->csr->flag_mac_access_req));
txq->need_update = true;
return;
}
@ -611,7 +612,7 @@ static void iwl_pcie_clear_cmd_in_flight(struct iwl_trans *trans)
trans_pcie->cmd_hold_nic_awake = false;
__iwl_trans_pcie_clear_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
BIT(trans->cfg->csr->flag_mac_access_req));
}
/*
@ -1171,6 +1172,7 @@ static int iwl_pcie_set_cmd_in_flight(struct iwl_trans *trans,
const struct iwl_host_cmd *cmd)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
const struct iwl_cfg *cfg = trans->cfg;
int ret;
lockdep_assert_held(&trans_pcie->reg_lock);
@ -1188,19 +1190,19 @@ static int iwl_pcie_set_cmd_in_flight(struct iwl_trans *trans,
* returned. This needs to be done only on NICs that have
* apmg_wake_up_wa set.
*/
if (trans->cfg->base_params->apmg_wake_up_wa &&
if (cfg->base_params->apmg_wake_up_wa &&
!trans_pcie->cmd_hold_nic_awake) {
__iwl_trans_pcie_set_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
BIT(cfg->csr->flag_mac_access_req));
ret = iwl_poll_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN,
(CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY |
BIT(cfg->csr->flag_val_mac_access_en),
(BIT(cfg->csr->flag_mac_clock_ready) |
CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP),
15000);
if (ret < 0) {
__iwl_trans_pcie_clear_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
BIT(cfg->csr->flag_mac_access_req));
IWL_ERR(trans, "Failed to wake NIC for hcmd\n");
return -EIO;
}
@ -2395,7 +2397,13 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
goto out_err;
iwl_pcie_txq_build_tfd(trans, txq, tb1_phys, tb1_len, false);
if (amsdu) {
/*
* If gso_size wasn't set, don't give the frame "amsdu treatment"
* (adding subframes, etc.).
* This can happen in some testing flows when the amsdu was already
* pre-built, and we just need to send the resulting skb.
*/
if (amsdu && skb_shinfo(skb)->gso_size) {
if (unlikely(iwl_fill_data_tbs_amsdu(trans, skb, txq, hdr_len,
out_meta, dev_cmd,
tb1_len)))