mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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540623caa6
The commit below didn't update the max_ht_ampdu_exponent
for the devices listed in iwl-[1-6]000.c which, in result,
became 0 instead of 8K. This reduced the size of the Rx
AMPDU from 64K to 8K which had an impact in the Rx
throughput. One user reported that because of this, his
downstream throughput droppped by a half.
CC: <stable@vger.kernel.org> [3.19]
Fixes: c064ddf318 ("iwlwifi: change max HT and VHT A-MPDU exponent")
Reported-and-tested-by: Valentin Manea <linux-wireless@mrs.ro>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
217 lines
7.2 KiB
C
217 lines
7.2 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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* The full GNU General Public License is included in this distribution in the
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* file called LICENSE.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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*****************************************************************************/
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#include <linux/module.h>
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#include <linux/stringify.h>
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#include "iwl-config.h"
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#include "iwl-agn-hw.h"
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#include "dvm/commands.h" /* needed for BT for now */
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/* Highest firmware API version supported */
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#define IWL2030_UCODE_API_MAX 6
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#define IWL2000_UCODE_API_MAX 6
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#define IWL105_UCODE_API_MAX 6
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#define IWL135_UCODE_API_MAX 6
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/* Oldest version we won't warn about */
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#define IWL2030_UCODE_API_OK 6
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#define IWL2000_UCODE_API_OK 6
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#define IWL105_UCODE_API_OK 6
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#define IWL135_UCODE_API_OK 6
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/* Lowest firmware API version supported */
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#define IWL2030_UCODE_API_MIN 5
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#define IWL2000_UCODE_API_MIN 5
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#define IWL105_UCODE_API_MIN 5
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#define IWL135_UCODE_API_MIN 5
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/* EEPROM version */
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#define EEPROM_2000_TX_POWER_VERSION (6)
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#define EEPROM_2000_EEPROM_VERSION (0x805)
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#define IWL2030_FW_PRE "iwlwifi-2030-"
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#define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode"
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#define IWL2000_FW_PRE "iwlwifi-2000-"
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#define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode"
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#define IWL105_FW_PRE "iwlwifi-105-"
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#define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode"
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#define IWL135_FW_PRE "iwlwifi-135-"
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#define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE __stringify(api) ".ucode"
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static const struct iwl_base_params iwl2000_base_params = {
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.eeprom_size = OTP_LOW_IMAGE_SIZE,
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.num_of_queues = IWLAGN_NUM_QUEUES,
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.pll_cfg_val = 0,
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.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
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.shadow_ram_support = true,
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.led_compensation = 51,
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.wd_timeout = IWL_DEF_WD_TIMEOUT,
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.max_event_log_size = 512,
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.shadow_reg_enable = false, /* TODO: fix bugs using this feature */
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.scd_chain_ext_wa = true,
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};
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static const struct iwl_base_params iwl2030_base_params = {
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.eeprom_size = OTP_LOW_IMAGE_SIZE,
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.num_of_queues = IWLAGN_NUM_QUEUES,
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.pll_cfg_val = 0,
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.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
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.shadow_ram_support = true,
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.led_compensation = 57,
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.wd_timeout = IWL_LONG_WD_TIMEOUT,
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.max_event_log_size = 512,
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.shadow_reg_enable = false, /* TODO: fix bugs using this feature */
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.scd_chain_ext_wa = true,
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};
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static const struct iwl_ht_params iwl2000_ht_params = {
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.ht_greenfield_support = true,
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.use_rts_for_aggregation = true, /* use rts/cts protection */
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.ht40_bands = BIT(IEEE80211_BAND_2GHZ),
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};
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static const struct iwl_eeprom_params iwl20x0_eeprom_params = {
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.regulatory_bands = {
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EEPROM_REG_BAND_1_CHANNELS,
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EEPROM_REG_BAND_2_CHANNELS,
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EEPROM_REG_BAND_3_CHANNELS,
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EEPROM_REG_BAND_4_CHANNELS,
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EEPROM_REG_BAND_5_CHANNELS,
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EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
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EEPROM_REGULATORY_BAND_NO_HT40,
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},
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.enhanced_txpower = true,
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};
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#define IWL_DEVICE_2000 \
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.fw_name_pre = IWL2000_FW_PRE, \
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.ucode_api_max = IWL2000_UCODE_API_MAX, \
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.ucode_api_ok = IWL2000_UCODE_API_OK, \
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.ucode_api_min = IWL2000_UCODE_API_MIN, \
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.device_family = IWL_DEVICE_FAMILY_2000, \
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.max_inst_size = IWL60_RTC_INST_SIZE, \
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.max_data_size = IWL60_RTC_DATA_SIZE, \
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.nvm_ver = EEPROM_2000_EEPROM_VERSION, \
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.nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
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.base_params = &iwl2000_base_params, \
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.eeprom_params = &iwl20x0_eeprom_params, \
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.led_mode = IWL_LED_RF_STATE, \
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.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
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const struct iwl_cfg iwl2000_2bgn_cfg = {
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.name = "Intel(R) Centrino(R) Wireless-N 2200 BGN",
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IWL_DEVICE_2000,
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.ht_params = &iwl2000_ht_params,
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};
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const struct iwl_cfg iwl2000_2bgn_d_cfg = {
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.name = "Intel(R) Centrino(R) Wireless-N 2200D BGN",
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IWL_DEVICE_2000,
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.ht_params = &iwl2000_ht_params,
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};
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#define IWL_DEVICE_2030 \
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.fw_name_pre = IWL2030_FW_PRE, \
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.ucode_api_max = IWL2030_UCODE_API_MAX, \
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.ucode_api_ok = IWL2030_UCODE_API_OK, \
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.ucode_api_min = IWL2030_UCODE_API_MIN, \
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.device_family = IWL_DEVICE_FAMILY_2030, \
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.max_inst_size = IWL60_RTC_INST_SIZE, \
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.max_data_size = IWL60_RTC_DATA_SIZE, \
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.nvm_ver = EEPROM_2000_EEPROM_VERSION, \
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.nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
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.base_params = &iwl2030_base_params, \
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.eeprom_params = &iwl20x0_eeprom_params, \
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.led_mode = IWL_LED_RF_STATE, \
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.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
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const struct iwl_cfg iwl2030_2bgn_cfg = {
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.name = "Intel(R) Centrino(R) Wireless-N 2230 BGN",
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IWL_DEVICE_2030,
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.ht_params = &iwl2000_ht_params,
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};
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#define IWL_DEVICE_105 \
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.fw_name_pre = IWL105_FW_PRE, \
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.ucode_api_max = IWL105_UCODE_API_MAX, \
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.ucode_api_ok = IWL105_UCODE_API_OK, \
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.ucode_api_min = IWL105_UCODE_API_MIN, \
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.device_family = IWL_DEVICE_FAMILY_105, \
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.max_inst_size = IWL60_RTC_INST_SIZE, \
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.max_data_size = IWL60_RTC_DATA_SIZE, \
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.nvm_ver = EEPROM_2000_EEPROM_VERSION, \
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.nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
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.base_params = &iwl2000_base_params, \
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.eeprom_params = &iwl20x0_eeprom_params, \
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.led_mode = IWL_LED_RF_STATE, \
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.rx_with_siso_diversity = true, \
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.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
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const struct iwl_cfg iwl105_bgn_cfg = {
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.name = "Intel(R) Centrino(R) Wireless-N 105 BGN",
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IWL_DEVICE_105,
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.ht_params = &iwl2000_ht_params,
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};
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const struct iwl_cfg iwl105_bgn_d_cfg = {
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.name = "Intel(R) Centrino(R) Wireless-N 105D BGN",
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IWL_DEVICE_105,
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.ht_params = &iwl2000_ht_params,
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};
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#define IWL_DEVICE_135 \
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.fw_name_pre = IWL135_FW_PRE, \
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.ucode_api_max = IWL135_UCODE_API_MAX, \
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.ucode_api_ok = IWL135_UCODE_API_OK, \
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.ucode_api_min = IWL135_UCODE_API_MIN, \
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.device_family = IWL_DEVICE_FAMILY_135, \
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.max_inst_size = IWL60_RTC_INST_SIZE, \
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.max_data_size = IWL60_RTC_DATA_SIZE, \
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.nvm_ver = EEPROM_2000_EEPROM_VERSION, \
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.nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
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.base_params = &iwl2030_base_params, \
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.eeprom_params = &iwl20x0_eeprom_params, \
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.led_mode = IWL_LED_RF_STATE, \
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.rx_with_siso_diversity = true, \
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.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
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const struct iwl_cfg iwl135_bgn_cfg = {
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.name = "Intel(R) Centrino(R) Wireless-N 135 BGN",
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IWL_DEVICE_135,
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.ht_params = &iwl2000_ht_params,
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};
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MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_OK));
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MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_OK));
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MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_OK));
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MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_OK));
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