diff options
author | Luciano Coelho <coelho@ti.com> | 2011-12-01 14:14:48 +0400 |
---|---|---|
committer | Luciano Coelho <coelho@ti.com> | 2011-12-01 14:14:48 +0400 |
commit | e4da3fbfbd1de56d2367653e3823e6445e49f8a9 (patch) | |
tree | f69f424f731b89a75f881967903ff2f38f4b6a92 /drivers/net/wireless/iwlwifi | |
parent | b693289406f0b8ca70ab77e745be6196d5740eb0 (diff) | |
parent | ba5736a5e9ac20c378ae4179e8a0ed3cc4b44351 (diff) | |
download | linux-e4da3fbfbd1de56d2367653e3823e6445e49f8a9.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into wl12xx-next
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
49 files changed, 3883 insertions, 3760 deletions
diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig index e0441033788c..57703d5209d7 100644 --- a/drivers/net/wireless/iwlwifi/Kconfig +++ b/drivers/net/wireless/iwlwifi/Kconfig @@ -54,13 +54,13 @@ config IWLWIFI_DEBUG control which debug output is sent to the kernel log by setting the value in - /sys/class/net/wlan0/device/debug_level + /sys/module/iwlwifi/parameters/debug This entry will only exist if this option is enabled. To set a value, simply echo an 8-byte hex value to the same file: - % echo 0x43fff > /sys/class/net/wlan0/device/debug_level + % echo 0x43fff > /sys/module/iwlwifi/parameters/debug You can find the list of debug mask values in: drivers/net/wireless/iwlwifi/iwl-debug.h diff --git a/drivers/net/wireless/iwlwifi/Makefile b/drivers/net/wireless/iwlwifi/Makefile index bacafa4a5f48..a7ab280994c8 100644 --- a/drivers/net/wireless/iwlwifi/Makefile +++ b/drivers/net/wireless/iwlwifi/Makefile @@ -1,12 +1,11 @@ # WIFI obj-$(CONFIG_IWLWIFI) += iwlwifi.o -iwlwifi-objs := iwl-agn.o iwl-agn-rs.o +iwlwifi-objs := iwl-agn.o iwl-agn-rs.o iwl-mac80211.o iwlwifi-objs += iwl-agn-ucode.o iwl-agn-tx.o iwlwifi-objs += iwl-agn-lib.o iwl-agn-calib.o iwl-io.o -iwlwifi-objs += iwl-agn-tt.o iwl-agn-sta.o +iwlwifi-objs += iwl-agn-tt.o iwl-agn-sta.o iwl-agn-rx.o iwlwifi-objs += iwl-core.o iwl-eeprom.o iwl-power.o -iwlwifi-objs += iwl-rx.o iwl-sta.o iwlwifi-objs += iwl-scan.o iwl-led.o iwlwifi-objs += iwl-agn-rxon.o iwlwifi-objs += iwl-5000.o diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c index 887f9ac434c2..bc9bbbb2b494 100644 --- a/drivers/net/wireless/iwlwifi/iwl-1000.c +++ b/drivers/net/wireless/iwlwifi/iwl-1000.c @@ -39,9 +39,7 @@ #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-io.h" -#include "iwl-sta.h" #include "iwl-agn.h" -#include "iwl-helpers.h" #include "iwl-agn-hw.h" #include "iwl-shared.h" #include "iwl-cfg.h" @@ -130,7 +128,6 @@ static int iwl1000_hw_set_hw_params(struct iwl_priv *priv) iwlagn_mod_params.num_of_queues; hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues; - hw_params(priv).max_stations = IWLAGN_STATION_COUNT; priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE; @@ -150,16 +147,7 @@ static int iwl1000_hw_set_hw_params(struct iwl_priv *priv) iwl1000_set_ct_threshold(priv); /* Set initial sensitivity parameters */ - /* Set initial calibration set */ hw_params(priv).sens = &iwl1000_sensitivity; - hw_params(priv).calib_init_cfg = - BIT(IWL_CALIB_XTAL) | - BIT(IWL_CALIB_LO) | - BIT(IWL_CALIB_TX_IQ) | - BIT(IWL_CALIB_TX_IQ_PERD) | - BIT(IWL_CALIB_BASE_BAND); - if (priv->cfg->need_dc_calib) - hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_DC); return 0; } diff --git a/drivers/net/wireless/iwlwifi/iwl-2000.c b/drivers/net/wireless/iwlwifi/iwl-2000.c index db889581c0e5..0c4688d95b65 100644 --- a/drivers/net/wireless/iwlwifi/iwl-2000.c +++ b/drivers/net/wireless/iwlwifi/iwl-2000.c @@ -39,11 +39,8 @@ #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-io.h" -#include "iwl-sta.h" #include "iwl-agn.h" -#include "iwl-helpers.h" #include "iwl-agn-hw.h" -#include "iwl-6000-hw.h" #include "iwl-shared.h" #include "iwl-cfg.h" @@ -127,7 +124,6 @@ static int iwl2000_hw_set_hw_params(struct iwl_priv *priv) iwlagn_mod_params.num_of_queues; hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues; - hw_params(priv).max_stations = IWLAGN_STATION_COUNT; priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; hw_params(priv).max_data_size = IWL60_RTC_DATA_SIZE; @@ -147,17 +143,7 @@ static int iwl2000_hw_set_hw_params(struct iwl_priv *priv) iwl2000_set_ct_threshold(priv); /* Set initial sensitivity parameters */ - /* Set initial calibration set */ hw_params(priv).sens = &iwl2000_sensitivity; - hw_params(priv).calib_init_cfg = - BIT(IWL_CALIB_XTAL) | - BIT(IWL_CALIB_LO) | - BIT(IWL_CALIB_TX_IQ) | - BIT(IWL_CALIB_BASE_BAND); - if (priv->cfg->need_dc_calib) - hw_params(priv).calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX; - if (priv->cfg->need_temp_offset_calib) - hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET); return 0; } @@ -262,7 +248,6 @@ static struct iwl_bt_params iwl2030_bt_params = { .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ .lib = &iwl2000_lib, \ .base_params = &iwl2000_base_params, \ - .need_dc_calib = true, \ .need_temp_offset_calib = true, \ .temp_offset_v2 = true, \ .led_mode = IWL_LED_RF_STATE, \ @@ -274,11 +259,6 @@ struct iwl_cfg iwl2000_2bgn_cfg = { .ht_params = &iwl2000_ht_params, }; -struct iwl_cfg iwl2000_2bg_cfg = { - .name = "2000 Series 2x2 BG", - IWL_DEVICE_2000, -}; - struct iwl_cfg iwl2000_2bgn_d_cfg = { .name = "2000D Series 2x2 BGN", IWL_DEVICE_2000, @@ -295,7 +275,6 @@ struct iwl_cfg iwl2000_2bgn_d_cfg = { .lib = &iwl2030_lib, \ .base_params = &iwl2030_base_params, \ .bt_params = &iwl2030_bt_params, \ - .need_dc_calib = true, \ .need_temp_offset_calib = true, \ .temp_offset_v2 = true, \ .led_mode = IWL_LED_RF_STATE, \ @@ -308,11 +287,6 @@ struct iwl_cfg iwl2030_2bgn_cfg = { .ht_params = &iwl2000_ht_params, }; -struct iwl_cfg iwl2030_2bg_cfg = { - .name = "2000 Series 2x2 BG/BT", - IWL_DEVICE_2030, -}; - #define IWL_DEVICE_105 \ .fw_name_pre = IWL105_FW_PRE, \ .ucode_api_max = IWL105_UCODE_API_MAX, \ @@ -322,7 +296,6 @@ struct iwl_cfg iwl2030_2bg_cfg = { .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ .lib = &iwl2000_lib, \ .base_params = &iwl2000_base_params, \ - .need_dc_calib = true, \ .need_temp_offset_calib = true, \ .temp_offset_v2 = true, \ .led_mode = IWL_LED_RF_STATE, \ @@ -330,13 +303,14 @@ struct iwl_cfg iwl2030_2bg_cfg = { .rx_with_siso_diversity = true, \ .iq_invert = true \ -struct iwl_cfg iwl105_bg_cfg = { - .name = "105 Series 1x1 BG", +struct iwl_cfg iwl105_bgn_cfg = { + .name = "105 Series 1x1 BGN", IWL_DEVICE_105, + .ht_params = &iwl2000_ht_params, }; -struct iwl_cfg iwl105_bgn_cfg = { - .name = "105 Series 1x1 BGN", +struct iwl_cfg iwl105_bgn_d_cfg = { + .name = "105D Series 1x1 BGN", IWL_DEVICE_105, .ht_params = &iwl2000_ht_params, }; @@ -351,7 +325,6 @@ struct iwl_cfg iwl105_bgn_cfg = { .lib = &iwl2030_lib, \ .base_params = &iwl2030_base_params, \ .bt_params = &iwl2030_bt_params, \ - .need_dc_calib = true, \ .need_temp_offset_calib = true, \ .temp_offset_v2 = true, \ .led_mode = IWL_LED_RF_STATE, \ @@ -359,11 +332,6 @@ struct iwl_cfg iwl105_bgn_cfg = { .rx_with_siso_diversity = true, \ .iq_invert = true \ -struct iwl_cfg iwl135_bg_cfg = { - .name = "135 Series 1x1 BG/BT", - IWL_DEVICE_135, -}; - struct iwl_cfg iwl135_bgn_cfg = { .name = "135 Series 1x1 BGN/BT", IWL_DEVICE_135, diff --git a/drivers/net/wireless/iwlwifi/iwl-5000-hw.h b/drivers/net/wireless/iwlwifi/iwl-5000-hw.h deleted file mode 100644 index c0135988e777..000000000000 --- a/drivers/net/wireless/iwlwifi/iwl-5000-hw.h +++ /dev/null @@ -1,88 +0,0 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. - * - * 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 - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * 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 LICENSE.GPL. - * - * Contact Information: - * Intel Linux Wireless <ilw@linux.intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - * BSD LICENSE - * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - *****************************************************************************/ -/* - * Please use this file (iwl-5000-hw.h) only for hardware-related definitions. - * Use iwl-commands.h for uCode API definitions. - */ - -#ifndef __iwl_5000_hw_h__ -#define __iwl_5000_hw_h__ - -/* 5150 only */ -#define IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF (-5) - -static inline s32 iwl_temp_calib_to_offset(struct iwl_priv *priv) -{ - u16 temperature, voltage; - __le16 *temp_calib = (__le16 *)iwl_eeprom_query_addr(priv, - EEPROM_KELVIN_TEMPERATURE); - - temperature = le16_to_cpu(temp_calib[0]); - voltage = le16_to_cpu(temp_calib[1]); - - /* offset = temp - volt / coeff */ - return (s32)(temperature - voltage / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF); -} - -#endif /* __iwl_5000_hw_h__ */ - diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index 290701620f03..3a3f83032382 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -40,11 +40,8 @@ #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-io.h" -#include "iwl-sta.h" -#include "iwl-helpers.h" #include "iwl-agn.h" #include "iwl-agn-hw.h" -#include "iwl-5000-hw.h" #include "iwl-trans.h" #include "iwl-shared.h" #include "iwl-cfg.h" @@ -135,6 +132,21 @@ static struct iwl_sensitivity_ranges iwl5150_sensitivity = { .nrg_th_cca = 62, }; +#define IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF (-5) + +static s32 iwl_temp_calib_to_offset(struct iwl_priv *priv) +{ + u16 temperature, voltage; + __le16 *temp_calib = (__le16 *)iwl_eeprom_query_addr(priv, + EEPROM_KELVIN_TEMPERATURE); + + temperature = le16_to_cpu(temp_calib[0]); + voltage = le16_to_cpu(temp_calib[1]); + + /* offset = temp - volt / coeff */ + return (s32)(temperature - voltage / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF); +} + static void iwl5150_set_ct_threshold(struct iwl_priv *priv) { const s32 volt2temp_coef = IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF; @@ -158,7 +170,6 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv) iwlagn_mod_params.num_of_queues; hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues; - hw_params(priv).max_stations = IWLAGN_STATION_COUNT; priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE; @@ -175,14 +186,7 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv) iwl5000_set_ct_threshold(priv); /* Set initial sensitivity parameters */ - /* Set initial calibration set */ hw_params(priv).sens = &iwl5000_sensitivity; - hw_params(priv).calib_init_cfg = - BIT(IWL_CALIB_XTAL) | - BIT(IWL_CALIB_LO) | - BIT(IWL_CALIB_TX_IQ) | - BIT(IWL_CALIB_TX_IQ_PERD) | - BIT(IWL_CALIB_BASE_BAND); return 0; } @@ -195,7 +199,6 @@ static int iwl5150_hw_set_hw_params(struct iwl_priv *priv) iwlagn_mod_params.num_of_queues; hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues; - hw_params(priv).max_stations = IWLAGN_STATION_COUNT; priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE; @@ -212,14 +215,7 @@ static int iwl5150_hw_set_hw_params(struct iwl_priv *priv) iwl5150_set_ct_threshold(priv); /* Set initial sensitivity parameters */ - /* Set initial calibration set */ hw_params(priv).sens = &iwl5150_sensitivity; - hw_params(priv).calib_init_cfg = - BIT(IWL_CALIB_LO) | - BIT(IWL_CALIB_TX_IQ) | - BIT(IWL_CALIB_BASE_BAND); - if (priv->cfg->need_dc_calib) - hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_DC); return 0; } @@ -241,7 +237,7 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv, { /* * MULTI-FIXME - * See iwl_mac_channel_switch. + * See iwlagn_mac_channel_switch. */ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; struct iwl5000_channel_switch_cmd cmd; @@ -423,7 +419,7 @@ struct iwl_cfg iwl5350_agn_cfg = { .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION, \ .lib = &iwl5150_lib, \ .base_params = &iwl5000_base_params, \ - .need_dc_calib = true, \ + .no_xtal_calib = true, \ .led_mode = IWL_LED_BLINK, \ .internal_wimax_coex = true diff --git a/drivers/net/wireless/iwlwifi/iwl-6000-hw.h b/drivers/net/wireless/iwlwifi/iwl-6000-hw.h deleted file mode 100644 index b27986e57c92..000000000000 --- a/drivers/net/wireless/iwlwifi/iwl-6000-hw.h +++ /dev/null @@ -1,81 +0,0 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. - * - * 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 - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * 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 LICENSE.GPL. - * - * Contact Information: - * Intel Linux Wireless <ilw@linux.intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - * BSD LICENSE - * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - *****************************************************************************/ -/* - * Please use this file (iwl-6000-hw.h) only for hardware-related definitions. - * Use iwl-commands.h for uCode API definitions. - */ - -#ifndef __iwl_6000_hw_h__ -#define __iwl_6000_hw_h__ - -#define IWL60_RTC_INST_LOWER_BOUND (0x000000) -#define IWL60_RTC_INST_UPPER_BOUND (0x040000) -#define IWL60_RTC_DATA_LOWER_BOUND (0x800000) -#define IWL60_RTC_DATA_UPPER_BOUND (0x814000) -#define IWL60_RTC_INST_SIZE \ - (IWL60_RTC_INST_UPPER_BOUND - IWL60_RTC_INST_LOWER_BOUND) -#define IWL60_RTC_DATA_SIZE \ - (IWL60_RTC_DATA_UPPER_BOUND - IWL60_RTC_DATA_LOWER_BOUND) - -#endif /* __iwl_6000_hw_h__ */ - diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index 37837f7b6990..617ad1c0df61 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -39,21 +39,19 @@ #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-io.h" -#include "iwl-sta.h" #include "iwl-agn.h" -#include "iwl-helpers.h" #include "iwl-agn-hw.h" -#include "iwl-6000-hw.h" #include "iwl-trans.h" #include "iwl-shared.h" #include "iwl-cfg.h" /* Highest firmware API version supported */ -#define IWL6000_UCODE_API_MAX 4 +#define IWL6000_UCODE_API_MAX 6 #define IWL6050_UCODE_API_MAX 5 #define IWL6000G2_UCODE_API_MAX 6 /* Oldest version we won't warn about */ +#define IWL6000_UCODE_API_OK 4 #define IWL6000G2_UCODE_API_OK 5 /* Lowest firmware API version supported */ @@ -147,7 +145,6 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv) iwlagn_mod_params.num_of_queues; hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues; - hw_params(priv).max_stations = IWLAGN_STATION_COUNT; priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; hw_params(priv).max_data_size = IWL60_RTC_DATA_SIZE; @@ -168,17 +165,7 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv) iwl6000_set_ct_threshold(priv); /* Set initial sensitivity parameters */ - /* Set initial calibration set */ hw_params(priv).sens = &iwl6000_sensitivity; - hw_params(priv).calib_init_cfg = - BIT(IWL_CALIB_XTAL) | - BIT(IWL_CALIB_LO) | - BIT(IWL_CALIB_TX_IQ) | - BIT(IWL_CALIB_BASE_BAND); - if (priv->cfg->need_dc_calib) - hw_params(priv).calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX; - if (priv->cfg->need_temp_offset_calib) - hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET); return 0; } @@ -188,7 +175,7 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv, { /* * MULTI-FIXME - * See iwl_mac_channel_switch. + * See iwlagn_mac_channel_switch. */ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; struct iwl6000_channel_switch_cmd cmd; @@ -368,7 +355,6 @@ static struct iwl_bt_params iwl6000_bt_params = { .eeprom_calib_ver = EEPROM_6005_TX_POWER_VERSION, \ .lib = &iwl6000_lib, \ .base_params = &iwl6000_g2_base_params, \ - .need_dc_calib = true, \ .need_temp_offset_calib = true, \ .led_mode = IWL_LED_RF_STATE @@ -394,6 +380,12 @@ struct iwl_cfg iwl6005_2agn_sff_cfg = { .ht_params = &iwl6000_ht_params, }; +struct iwl_cfg iwl6005_2agn_d_cfg = { + .name = "Intel(R) Centrino(R) Advanced-N 6205D AGN", + IWL_DEVICE_6005, + .ht_params = &iwl6000_ht_params, +}; + #define IWL_DEVICE_6030 \ .fw_name_pre = IWL6030_FW_PRE, \ .ucode_api_max = IWL6000G2_UCODE_API_MAX, \ @@ -404,7 +396,6 @@ struct iwl_cfg iwl6005_2agn_sff_cfg = { .lib = &iwl6030_lib, \ .base_params = &iwl6000_g2_base_params, \ .bt_params = &iwl6000_bt_params, \ - .need_dc_calib = true, \ .need_temp_offset_calib = true, \ .led_mode = IWL_LED_RF_STATE, \ .adv_pm = true \ @@ -437,16 +428,6 @@ struct iwl_cfg iwl6035_2agn_cfg = { .ht_params = &iwl6000_ht_params, }; -struct iwl_cfg iwl6035_2abg_cfg = { - .name = "6035 Series 2x2 ABG/BT", - IWL_DEVICE_6030, -}; - -struct iwl_cfg iwl6035_2bg_cfg = { - .name = "6035 Series 2x2 BG/BT", - IWL_DEVICE_6030, -}; - struct iwl_cfg iwl1030_bgn_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 1030 BGN", IWL_DEVICE_6030, @@ -477,6 +458,7 @@ struct iwl_cfg iwl130_bg_cfg = { #define IWL_DEVICE_6000i \ .fw_name_pre = IWL6000_FW_PRE, \ .ucode_api_max = IWL6000_UCODE_API_MAX, \ + .ucode_api_ok = IWL6000_UCODE_API_OK, \ .ucode_api_min = IWL6000_UCODE_API_MIN, \ .valid_tx_ant = ANT_BC, /* .cfg overwrite */ \ .valid_rx_ant = ANT_BC, /* .cfg overwrite */ \ @@ -514,7 +496,6 @@ struct iwl_cfg iwl6000i_2bg_cfg = { .eeprom_ver = EEPROM_6050_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION, \ .base_params = &iwl6050_base_params, \ - .need_dc_calib = true, \ .led_mode = IWL_LED_BLINK, \ .internal_wimax_coex = true @@ -538,7 +519,6 @@ struct iwl_cfg iwl6050_2abg_cfg = { .eeprom_ver = EEPROM_6150_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_6150_TX_POWER_VERSION, \ .base_params = &iwl6050_base_params, \ - .need_dc_calib = true, \ .led_mode = IWL_LED_BLINK, \ .internal_wimax_coex = true @@ -557,17 +537,17 @@ struct iwl_cfg iwl6000_3agn_cfg = { .name = "Intel(R) Centrino(R) Ultimate-N 6300 AGN", .fw_name_pre = IWL6000_FW_PRE, .ucode_api_max = IWL6000_UCODE_API_MAX, + .ucode_api_ok = IWL6000_UCODE_API_OK, .ucode_api_min = IWL6000_UCODE_API_MIN, .eeprom_ver = EEPROM_6000_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION, .lib = &iwl6000_lib, .base_params = &iwl6000_base_params, .ht_params = &iwl6000_ht_params, - .need_dc_calib = true, .led_mode = IWL_LED_BLINK, }; -MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX)); +MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_OK)); MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX)); MODULE_FIRMWARE(IWL6005_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX)); MODULE_FIRMWARE(IWL6030_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX)); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c index 03bac48558b2..4d0210594956 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c @@ -84,54 +84,62 @@ struct statistics_general_data { int iwl_send_calib_results(struct iwl_priv *priv) { - int ret = 0; - int i = 0; - struct iwl_host_cmd hcmd = { .id = REPLY_PHY_CALIBRATION_CMD, .flags = CMD_SYNC, }; - - for (i = 0; i < IWL_CALIB_MAX; i++) { - if ((BIT(i) & hw_params(priv).calib_init_cfg) && - priv->calib_results[i].buf) { - hcmd.len[0] = priv->calib_results[i].buf_len; - hcmd.data[0] = priv->calib_results[i].buf; - hcmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; - ret = iwl_trans_send_cmd(trans(priv), &hcmd); - if (ret) { - IWL_ERR(priv, "Error %d iteration %d\n", - ret, i); - break; - } + struct iwl_calib_result *res; + + list_for_each_entry(res, &priv->calib_results, list) { + int ret; + + hcmd.len[0] = res->cmd_len; + hcmd.data[0] = &res->hdr; + hcmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; + ret = iwl_trans_send_cmd(trans(priv), &hcmd); + if (ret) { + IWL_ERR(priv, "Error %d on calib cmd %d\n", + ret, res->hdr.op_code); + return ret; } } - return ret; + return 0; } -int iwl_calib_set(struct iwl_calib_result *res, const u8 *buf, int len) +int iwl_calib_set(struct iwl_priv *priv, + const struct iwl_calib_hdr *cmd, int len) { - if (res->buf_len != len) { - kfree(res->buf); - res->buf = kzalloc(len, GFP_ATOMIC); - } - if (unlikely(res->buf == NULL)) + struct iwl_calib_result *res, *tmp; + + res = kmalloc(sizeof(*res) + len - sizeof(struct iwl_calib_hdr), + GFP_ATOMIC); + if (!res) return -ENOMEM; + memcpy(&res->hdr, cmd, len); + res->cmd_len = len; + + list_for_each_entry(tmp, &priv->calib_results, list) { + if (tmp->hdr.op_code == res->hdr.op_code) { + list_replace(&tmp->list, &res->list); + kfree(tmp); + return 0; + } + } + + /* wasn't in list already */ + list_add_tail(&res->list, &priv->calib_results); - res->buf_len = len; - memcpy(res->buf, buf, len); return 0; } void iwl_calib_free_results(struct iwl_priv *priv) { - int i; + struct iwl_calib_result *res, *tmp; - for (i = 0; i < IWL_CALIB_MAX; i++) { - kfree(priv->calib_results[i].buf); - priv->calib_results[i].buf = NULL; - priv->calib_results[i].buf_len = 0; + list_for_each_entry_safe(res, tmp, &priv->calib_results, list) { + list_del(&res->list); + kfree(res); } } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-calib.h b/drivers/net/wireless/iwlwifi/iwl-agn-calib.h index a869fc9205d2..6ed806c8f80f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-calib.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn-calib.h @@ -73,7 +73,8 @@ void iwl_init_sensitivity(struct iwl_priv *priv); void iwl_reset_run_time_calib(struct iwl_priv *priv); int iwl_send_calib_results(struct iwl_priv *priv); -int iwl_calib_set(struct iwl_calib_result *res, const u8 *buf, int len); +int iwl_calib_set(struct iwl_priv *priv, + const struct iwl_calib_hdr *cmd, int len); void iwl_calib_free_results(struct iwl_priv *priv); #endif /* __iwl_calib_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-hw.h b/drivers/net/wireless/iwlwifi/iwl-agn-hw.h index 33951a11327d..123ef5e129d5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-hw.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn-hw.h @@ -78,10 +78,23 @@ #define IWLAGN_RTC_DATA_SIZE (IWLAGN_RTC_DATA_UPPER_BOUND - \ IWLAGN_RTC_DATA_LOWER_BOUND) +#define IWL60_RTC_INST_LOWER_BOUND (0x000000) +#define IWL60_RTC_INST_UPPER_BOUND (0x040000) +#define IWL60_RTC_DATA_LOWER_BOUND (0x800000) +#define IWL60_RTC_DATA_UPPER_BOUND (0x814000) +#define IWL60_RTC_INST_SIZE \ + (IWL60_RTC_INST_UPPER_BOUND - IWL60_RTC_INST_LOWER_BOUND) +#define IWL60_RTC_DATA_SIZE \ + (IWL60_RTC_DATA_UPPER_BOUND - IWL60_RTC_DATA_LOWER_BOUND) + /* RSSI to dBm */ #define IWLAGN_RSSI_OFFSET 44 -#define IWLAGN_DEFAULT_TX_RETRY 15 +#define IWLAGN_DEFAULT_TX_RETRY 15 +#define IWLAGN_MGMT_DFAULT_RETRY_LIMIT 3 +#define IWLAGN_RTS_DFAULT_RETRY_LIMIT 60 +#define IWLAGN_BAR_DFAULT_RETRY_LIMIT 60 +#define IWLAGN_LOW_RETRY_LIMIT 7 /* Limit range of txpower output target to be between these values */ #define IWLAGN_TX_POWER_TARGET_POWER_MIN (0) /* 0 dBm: 1 milliwatt */ diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c index d30714be515b..0bc962217351 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c @@ -35,10 +35,8 @@ #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-io.h" -#include "iwl-helpers.h" #include "iwl-agn-hw.h" #include "iwl-agn.h" -#include "iwl-sta.h" #include "iwl-trans.h" #include "iwl-shared.h" @@ -829,6 +827,7 @@ static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt) case IEEE80211_SMPS_STATIC: case IEEE80211_SMPS_DYNAMIC: return IWL_NUM_IDLE_CHAINS_SINGLE; + case IEEE80211_SMPS_AUTOMATIC: case IEEE80211_SMPS_OFF: return active_cnt; default: @@ -985,3 +984,360 @@ void iwlagn_remove_notification(struct iwl_priv *priv, list_del(&wait_entry->list); spin_unlock_bh(&priv->notif_wait_lock); } + +#ifdef CONFIG_PM_SLEEP +static void iwlagn_convert_p1k(u16 *p1k, __le16 *out) +{ + int i; + + for (i = 0; i < IWLAGN_P1K_SIZE; i++) + out[i] = cpu_to_le16(p1k[i]); +} + +struct wowlan_key_data { + struct iwl_rxon_context *ctx; + struct iwlagn_wowlan_rsc_tsc_params_cmd *rsc_tsc; + struct iwlagn_wowlan_tkip_params_cmd *tkip; + const u8 *bssid; + bool error, use_rsc_tsc, use_tkip; +}; + + +static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, + void *_data) +{ + struct iwl_priv *priv = hw->priv; + struct wowlan_key_data *data = _data; + struct iwl_rxon_context *ctx = data->ctx; + struct aes_sc *aes_sc, *aes_tx_sc = NULL; + struct tkip_sc *tkip_sc, *tkip_tx_sc = NULL; + struct iwlagn_p1k_cache *rx_p1ks; + u8 *rx_mic_key; + struct ieee80211_key_seq seq; + u32 cur_rx_iv32 = 0; + u16 p1k[IWLAGN_P1K_SIZE]; + int ret, i; + + mutex_lock(&priv->shrd->mutex); + + if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || + key->cipher == WLAN_CIPHER_SUITE_WEP104) && + !sta && !ctx->key_mapping_keys) + ret = iwl_set_default_wep_key(priv, ctx, key); + else + ret = iwl_set_dynamic_key(priv, ctx, key, sta); + + if (ret) { + IWL_ERR(priv, "Error setting key during suspend!\n"); + data->error = true; + } + + switch (key->cipher) { + case WLAN_CIPHER_SUITE_TKIP: + if (sta) { + tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.unicast_rsc; + tkip_tx_sc = &data->rsc_tsc->all_tsc_rsc.tkip.tsc; + + rx_p1ks = data->tkip->rx_uni; + + ieee80211_get_key_tx_seq(key, &seq); + tkip_tx_sc->iv16 = cpu_to_le16(seq.tkip.iv16); + tkip_tx_sc->iv32 = cpu_to_le32(seq.tkip.iv32); + + ieee80211_get_tkip_p1k_iv(key, seq.tkip.iv32, p1k); + iwlagn_convert_p1k(p1k, data->tkip->tx.p1k); + + memcpy(data->tkip->mic_keys.tx, + &key->key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY], + IWLAGN_MIC_KEY_SIZE); + + rx_mic_key = data->tkip->mic_keys.rx_unicast; + } else { + tkip_sc = + data->rsc_tsc->all_tsc_rsc.tkip.multicast_rsc; + rx_p1ks = data->tkip->rx_multi; + rx_mic_key = data->tkip->mic_keys.rx_mcast; + } + + /* + * For non-QoS this relies on the fact that both the uCode and + * mac80211 use TID 0 (as they need to to avoid replay attacks) + * for checking the IV in the frames. + */ + for (i = 0; i < IWLAGN_NUM_RSC; i++) { + ieee80211_get_key_rx_seq(key, i, &seq); + tkip_sc[i].iv16 = cpu_to_le16(seq.tkip.iv16); + tkip_sc[i].iv32 = cpu_to_le32(seq.tkip.iv32); + /* wrapping isn't allowed, AP must rekey */ + if (seq.tkip.iv32 > cur_rx_iv32) + cur_rx_iv32 = seq.tkip.iv32; + } + + ieee80211_get_tkip_rx_p1k(key, data->bssid, cur_rx_iv32, p1k); + iwlagn_convert_p1k(p1k, rx_p1ks[0].p1k); + ieee80211_get_tkip_rx_p1k(key, data->bssid, + cur_rx_iv32 + 1, p1k); + iwlagn_convert_p1k(p1k, rx_p1ks[1].p1k); + + memcpy(rx_mic_key, + &key->key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY], + IWLAGN_MIC_KEY_SIZE); + + data->use_tkip = true; + data->use_rsc_tsc = true; + break; + case WLAN_CIPHER_SUITE_CCMP: + if (sta) { + u8 *pn = seq.ccmp.pn; + + aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc; + aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc; + + ieee80211_get_key_tx_seq(key, &seq); + aes_tx_sc->pn = cpu_to_le64( + (u64)pn[5] | + ((u64)pn[4] << 8) | + ((u64)pn[3] << 16) | + ((u64)pn[2] << 24) | + ((u64)pn[1] << 32) | + ((u64)pn[0] << 40)); + } else + aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc; + + /* + * For non-QoS this relies on the fact that both the uCode and + * mac80211 use TID 0 for checking the IV in the frames. + */ + for (i = 0; i < IWLAGN_NUM_RSC; i++) { + u8 *pn = seq.ccmp.pn; + + ieee80211_get_key_rx_seq(key, i, &seq); + aes_sc->pn = cpu_to_le64( + (u64)pn[5] | + ((u64)pn[4] << 8) | + ((u64)pn[3] << 16) | + ((u64)pn[2] << 24) | + ((u64)pn[1] << 32) | + ((u64)pn[0] << 40)); + } + data->use_rsc_tsc = true; + break; + } + + mutex_unlock(&priv->shrd->mutex); +} + +int iwlagn_send_patterns(struct iwl_priv *priv, + struct cfg80211_wowlan *wowlan) +{ + struct iwlagn_wowlan_patterns_cmd *pattern_cmd; + struct iwl_host_cmd cmd = { + .id = REPLY_WOWLAN_PATTERNS, + .dataflags[0] = IWL_HCMD_DFL_NOCOPY, + .flags = CMD_SYNC, + }; + int i, err; + + if (!wowlan->n_patterns) + return 0; + + cmd.len[0] = sizeof(*pattern_cmd) + + wowlan->n_patterns * sizeof(struct iwlagn_wowlan_pattern); + + pattern_cmd = kmalloc(cmd.len[0], GFP_KERNEL); + if (!pattern_cmd) + return -ENOMEM; + + pattern_cmd->n_patterns = cpu_to_le32(wowlan->n_patterns); + + for (i = 0; i < wowlan->n_patterns; i++) { + int mask_len = DIV_ROUND_UP(wowlan->patterns[i].pattern_len, 8); + + memcpy(&pattern_cmd->patterns[i].mask, + wowlan->patterns[i].mask, mask_len); + memcpy(&pattern_cmd->patterns[i].pattern, + wowlan->patterns[i].pattern, + wowlan->patterns[i].pattern_len); + pattern_cmd->patterns[i].mask_size = mask_len; + pattern_cmd->patterns[i].pattern_size = + wowlan->patterns[i].pattern_len; + } + + cmd.data[0] = pattern_cmd; + err = iwl_trans_send_cmd(trans(priv), &cmd); + kfree(pattern_cmd); + return err; +} + +int iwlagn_suspend(struct iwl_priv *priv, + struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) +{ + struct iwlagn_wowlan_wakeup_filter_cmd wakeup_filter_cmd; + struct iwl_rxon_cmd rxon; + struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; + struct iwlagn_wowlan_kek_kck_material_cmd kek_kck_cmd; + struct iwlagn_wowlan_tkip_params_cmd tkip_cmd = {}; + struct iwlagn_d3_config_cmd d3_cfg_cmd = {}; + struct wowlan_key_data key_data = { + .ctx = ctx, + .bssid = ctx->active.bssid_addr, + .use_rsc_tsc = false, + .tkip = &tkip_cmd, + .use_tkip = false, + }; + int ret, i; + u16 seq; + + key_data.rsc_tsc = kzalloc(sizeof(*key_data.rsc_tsc), GFP_KERNEL); + if (!key_data.rsc_tsc) + return -ENOMEM; + + memset(&wakeup_filter_cmd, 0, sizeof(wakeup_filter_cmd)); + + /* + * We know the last used seqno, and the uCode expects to know that + * one, it will increment before TX. + */ + seq = le16_to_cpu(priv->last_seq_ctl) & IEEE80211_SCTL_SEQ; + wakeup_filter_cmd.non_qos_seq = cpu_to_le16(seq); + + /* + * For QoS counters, we store the one to use next, so subtract 0x10 + * since the uCode will add 0x10 before using the value. + */ + for (i = 0; i < 8; i++) { + seq = priv->shrd->tid_data[IWL_AP_ID][i].seq_number; + seq -= 0x10; + wakeup_filter_cmd.qos_seq[i] = cpu_to_le16(seq); + } + + if (wowlan->disconnect) + wakeup_filter_cmd.enabled |= + cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_BEACON_MISS | + IWLAGN_WOWLAN_WAKEUP_LINK_CHANGE); + if (wowlan->magic_pkt) + wakeup_filter_cmd.enabled |= + cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_MAGIC_PACKET); + if (wowlan->gtk_rekey_failure) + wakeup_filter_cmd.enabled |= + cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_GTK_REKEY_FAIL); + if (wowlan->eap_identity_req) + wakeup_filter_cmd.enabled |= + cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_EAP_IDENT_REQ); + if (wowlan->four_way_handshake) + wakeup_filter_cmd.enabled |= + cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_4WAY_HANDSHAKE); + if (wowlan->n_patterns) + wakeup_filter_cmd.enabled |= + cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_PATTERN_MATCH); + + if (wowlan->rfkill_release) + d3_cfg_cmd.wakeup_flags |= + cpu_to_le32(IWLAGN_D3_WAKEUP_RFKILL); + + iwl_scan_cancel_timeout(priv, 200); + + memcpy(&rxon, &ctx->active, sizeof(rxon)); + + iwl_trans_stop_device(trans(priv)); + + priv->shrd->wowlan = true; + + ret = iwlagn_load_ucode_wait_alive(priv, IWL_UCODE_WOWLAN); + if (ret) + goto out; + + /* now configure WoWLAN ucode */ + ret = iwl_alive_start(priv); + if (ret) + goto out; + + memcpy(&ctx->staging, &rxon, sizeof(rxon)); + ret = iwlagn_commit_rxon(priv, ctx); + if (ret) + goto out; + + ret = iwl_power_update_mode(priv, true); + if (ret) + goto out; + + if (!iwlagn_mod_params.sw_crypto) { + /* mark all keys clear */ + priv->ucode_key_table = 0; + ctx->key_mapping_keys = 0; + + /* + * This needs to be unlocked due to lock ordering + * constraints. Since we're in the suspend path + * that isn't really a problem though. + */ + mutex_unlock(&priv->shrd->mutex); + ieee80211_iter_keys(priv->hw, ctx->vif, + iwlagn_wowlan_program_keys, + &key_data); + mutex_lock(&priv->shrd->mutex); + if (key_data.error) { + ret = -EIO; + goto out; + } + + if (key_data.use_rsc_tsc) { + struct iwl_host_cmd rsc_tsc_cmd = { + .id = REPLY_WOWLAN_TSC_RSC_PARAMS, + .flags = CMD_SYNC, + .data[0] = key_data.rsc_tsc, + .dataflags[0] = IWL_HCMD_DFL_NOCOPY, + .len[0] = sizeof(key_data.rsc_tsc), + }; + + ret = iwl_trans_send_cmd(trans(priv), &rsc_tsc_cmd); + if (ret) + goto out; + } + + if (key_data.use_tkip) { + ret = iwl_trans_send_cmd_pdu(trans(priv), + REPLY_WOWLAN_TKIP_PARAMS, + CMD_SYNC, sizeof(tkip_cmd), + &tkip_cmd); + if (ret) + goto out; + } + + if (priv->have_rekey_data) { + memset(&kek_kck_cmd, 0, sizeof(kek_kck_cmd)); + memcpy(kek_kck_cmd.kck, priv->kck, NL80211_KCK_LEN); + kek_kck_cmd.kck_len = cpu_to_le16(NL80211_KCK_LEN); + memcpy(kek_kck_cmd.kek, priv->kek, NL80211_KEK_LEN); + kek_kck_cmd.kek_len = cpu_to_le16(NL80211_KEK_LEN); + kek_kck_cmd.replay_ctr = priv->replay_ctr; + + ret = iwl_trans_send_cmd_pdu(trans(priv), + REPLY_WOWLAN_KEK_KCK_MATERIAL, + CMD_SYNC, sizeof(kek_kck_cmd), + &kek_kck_cmd); + if (ret) + goto out; + } + } + + ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_D3_CONFIG, CMD_SYNC, + sizeof(d3_cfg_cmd), &d3_cfg_cmd); + if (ret) + goto out; + + ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WOWLAN_WAKEUP_FILTER, + CMD_SYNC, sizeof(wakeup_filter_cmd), + &wakeup_filter_cmd); + if (ret) + goto out; + + ret = iwlagn_send_patterns(priv, wowlan); + out: + kfree(key_data.rsc_tsc); + return ret; +} +#endif diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 7d6a3bf64950..359c47a4fcea 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -36,7 +36,6 @@ #include <linux/workqueue.h> #include "iwl-dev.h" -#include "iwl-sta.h" #include "iwl-core.h" #include "iwl-agn.h" @@ -1459,10 +1458,8 @@ static int rs_move_legacy_other(struct iwl_priv *priv, break; case IWL_BT_COEX_TRAFFIC_LOAD_LOW: /* avoid antenna B unless MIMO */ - valid_tx_ant = - first_antenna(hw_params(priv).valid_tx_ant); if (tbl->action == IWL_LEGACY_SWITCH_ANTENNA2) - tbl->action = IWL_LEGACY_SWITCH_ANTENNA1; + tbl->action = IWL_LEGACY_SWITCH_SISO; break; case IWL_BT_COEX_TRAFFIC_LOAD_HIGH: case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS: @@ -1637,10 +1634,8 @@ static int rs_move_siso_to_other(struct iwl_priv *priv, break; case IWL_BT_COEX_TRAFFIC_LOAD_LOW: /* avoid antenna B unless MIMO */ - valid_tx_ant = - first_antenna(hw_params(priv).valid_tx_ant); if (tbl->action == IWL_SISO_SWITCH_ANTENNA2) - tbl->action = IWL_SISO_SWITCH_ANTENNA1; + tbl->action = IWL_SISO_SWITCH_MIMO2_AB; break; case IWL_BT_COEX_TRAFFIC_LOAD_HIGH: case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS: @@ -2666,8 +2661,7 @@ lq_update: out: tbl->current_rate = rate_n_flags_from_tbl(priv, tbl, index, is_green); - i = index; - lq_sta->last_txrate_idx = i; + lq_sta->last_txrate_idx = index; } /** diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.h b/drivers/net/wireless/iwlwifi/iwl-agn-rs.h index bdae82e7fa90..f4f6deb829ae 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.h @@ -27,6 +27,10 @@ #ifndef __iwl_agn_rs_h__ #define __iwl_agn_rs_h__ +#include <net/mac80211.h> + +#include "iwl-commands.h" + struct iwl_rate_info { u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */ u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */ diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c index bcd7f64683aa..087fd52e5727 100644 --- a/drivers/net/wireless/iwlwifi/iwl-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c @@ -3,7 +3,7 @@ * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well - * as portions of the ieee80211 subsystem header files. + * as portionhelp of the ieee80211 subsystem header files. * * 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 @@ -35,9 +35,7 @@ #include "iwl-eeprom.h" #include "iwl-dev.h" #include "iwl-core.h" -#include "iwl-sta.h" #include "iwl-io.h" -#include "iwl-helpers.h" #include "iwl-agn-calib.h" #include "iwl-agn.h" #include "iwl-shared.h" @@ -47,6 +45,7 @@ const char *get_cmd_string(u8 cmd) switch (cmd) { IWL_CMD(REPLY_ALIVE); IWL_CMD(REPLY_ERROR); + IWL_CMD(REPLY_ECHO); IWL_CMD(REPLY_RXON); IWL_CMD(REPLY_RXON_ASSOC); IWL_CMD(REPLY_QOS_PARAM); @@ -118,6 +117,7 @@ const char *get_cmd_string(u8 cmd) IWL_CMD(REPLY_WOWLAN_TKIP_PARAMS); IWL_CMD(REPLY_WOWLAN_KEK_KCK_MATERIAL); IWL_CMD(REPLY_WOWLAN_GET_STATUS); + IWL_CMD(REPLY_D3_CONFIG); default: return "UNKNOWN"; @@ -130,7 +130,7 @@ const char *get_cmd_string(u8 cmd) * ******************************************************************************/ -static int iwl_rx_reply_error(struct iwl_priv *priv, +static int iwlagn_rx_reply_error(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, struct iwl_device_cmd *cmd) { @@ -146,14 +146,14 @@ static int iwl_rx_reply_error(struct iwl_priv *priv, return 0; } -static int iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, +static int iwlagn_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_csa_notification *csa = &(pkt->u.csa_notif); /* * MULTI-FIXME - * See iwl_mac_channel_switch. + * See iwlagn_mac_channel_switch. */ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; struct iwl_rxon_cmd *rxon = (void *)&ctx->active; @@ -176,7 +176,7 @@ static int iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, } -static int iwl_rx_spectrum_measure_notif(struct iwl_priv *priv, +static int iwlagn_rx_spectrum_measure_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, struct iwl_device_cmd *cmd) { @@ -194,7 +194,7 @@ static int iwl_rx_spectrum_measure_notif(struct iwl_priv *priv, return 0; } -static int iwl_rx_pm_sleep_notif(struct iwl_priv *priv, +static int iwlagn_rx_pm_sleep_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, struct iwl_device_cmd *cmd) { @@ -207,7 +207,7 @@ static int iwl_rx_pm_sleep_notif(struct iwl_priv *priv, return 0; } -static int iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv, +static int iwlagn_rx_pm_debug_statistics_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, struct iwl_device_cmd *cmd) { @@ -221,7 +221,7 @@ static int iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv, return 0; } -static int iwl_rx_beacon_notif(struct iwl_priv *priv, +static int iwlagn_rx_beacon_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, struct iwl_device_cmd *cmd) { @@ -242,8 +242,6 @@ static int iwl_rx_beacon_notif(struct iwl_priv *priv, priv->ibss_manager = le32_to_cpu(beacon->ibss_mgr_status); - if (!test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) - queue_work(priv->shrd->workqueue, &priv->beacon_update); return 0; } @@ -259,7 +257,7 @@ static int iwl_rx_beacon_notif(struct iwl_priv *priv, * the BA_TIMEOUT_MAX, reload firmware and bring system back to normal * operation state. */ -static bool iwl_good_ack_health(struct iwl_priv *priv, +static bool iwlagn_good_ack_health(struct iwl_priv *priv, struct statistics_tx *cur) { int actual_delta, expected_delta, ba_timeout_delta; @@ -284,8 +282,9 @@ static bool iwl_good_ack_health(struct iwl_priv *priv, if ((actual_delta * 100 / expected_delta) < ACK_CNT_RATIO && ba_timeout_delta > BA_TIMEOUT_CNT) { - IWL_DEBUG_RADIO(priv, "deltas: actual %d expected %d ba_timeout %d\n", - actual_delta, expected_delta, ba_timeout_delta); + IWL_DEBUG_RADIO(priv, + "deltas: actual %d expected %d ba_timeout %d\n", + actual_delta, expected_delta, ba_timeout_delta); #ifdef CONFIG_IWLWIFI_DEBUGFS /* @@ -313,7 +312,7 @@ static bool iwl_good_ack_health(struct iwl_priv *priv, * When the plcp error is exceeding the thresholds, reset the radio * to improve the throughput. */ -static bool iwl_good_plcp_health(struct iwl_priv *priv, +static bool iwlagn_good_plcp_health(struct iwl_priv *priv, struct statistics_rx_phy *cur_ofdm, struct statistics_rx_ht_phy *cur_ofdm_ht, unsigned int msecs) @@ -345,11 +344,11 @@ static bool iwl_good_plcp_health(struct iwl_priv *priv, return true; } -static void iwl_recover_from_statistics(struct iwl_priv *priv, - struct statistics_rx_phy *cur_ofdm, - struct statistics_rx_ht_phy *cur_ofdm_ht, - struct statistics_tx *tx, - unsigned long stamp) +static void iwlagn_recover_from_statistics(struct iwl_priv *priv, + struct statistics_rx_phy *cur_ofdm, + struct statistics_rx_ht_phy *cur_ofdm_ht, + struct statistics_tx *tx, + unsigned long stamp) { unsigned int msecs; @@ -366,21 +365,21 @@ static void iwl_recover_from_statistics(struct iwl_priv *priv, if (msecs < 99) return; - if (iwlagn_mod_params.ack_check && !iwl_good_ack_health(priv, tx)) { + if (iwlagn_mod_params.ack_check && !iwlagn_good_ack_health(priv, tx)) { IWL_ERR(priv, "low ack count detected, restart firmware\n"); if (!iwl_force_reset(priv, IWL_FW_RESET, false)) return; } if (iwlagn_mod_params.plcp_check && - !iwl_good_plcp_health(priv, cur_ofdm, cur_ofdm_ht, msecs)) + !iwlagn_good_plcp_health(priv, cur_ofdm, cur_ofdm_ht, msecs)) iwl_force_reset(priv, IWL_RF_RESET, false); } /* Calculate noise level, based on measurements during network silence just * before arriving beacon. This measurement can be done only if we know * exactly when to expect beacons, therefore only when we're associated. */ -static void iwl_rx_calc_noise(struct iwl_priv *priv) +static void iwlagn_rx_calc_noise(struct iwl_priv *priv) { struct statistics_rx_non_phy *rx_info; int num_active_rx = 0; @@ -446,7 +445,7 @@ static void accum_stats(__le32 *prev, __le32 *cur, __le32 *delta, } static void -iwl_accumulative_statistics(struct iwl_priv *priv, +iwlagn_accumulative_statistics(struct iwl_priv *priv, struct statistics_general_common *common, struct statistics_rx_non_phy *rx_non_phy, struct statistics_rx_phy *rx_ofdm, @@ -475,7 +474,7 @@ iwl_accumulative_statistics(struct iwl_priv *priv, } #else static inline void -iwl_accumulative_statistics(struct iwl_priv *priv, +iwlagn_accumulative_statistics(struct iwl_priv *priv, struct statistics_general_common *common, struct statistics_rx_non_phy *rx_non_phy, struct statistics_rx_phy *rx_ofdm, @@ -487,7 +486,7 @@ iwl_accumulative_statistics(struct iwl_priv *priv, } #endif -static int iwl_rx_statistics(struct iwl_priv *priv, +static int iwlagn_rx_statistics(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, struct iwl_device_cmd *cmd) { @@ -550,10 +549,10 @@ static int iwl_rx_statistics(struct iwl_priv *priv, (*flag & STATISTICS_REPLY_FLG_HT40_MODE_MSK) != (priv->statistics.flag & STATISTICS_REPLY_FLG_HT40_MODE_MSK); - iwl_accumulative_statistics(priv, common, rx_non_phy, rx_ofdm, + iwlagn_accumulative_statistics(priv, common, rx_non_phy, rx_ofdm, rx_ofdm_ht, rx_cck, tx, bt_activity); - iwl_recover_from_statistics(priv, rx_ofdm, rx_ofdm_ht, tx, stamp); + iwlagn_recover_from_statistics(priv, rx_ofdm, rx_ofdm_ht, tx, stamp); priv->statistics.flag = *flag; memcpy(&priv->statistics.common, common, sizeof(*common)); @@ -581,7 +580,7 @@ static int iwl_rx_statistics(struct iwl_priv *priv, if (unlikely(!test_bit(STATUS_SCANNING, &priv->shrd->status)) && (pkt->hdr.cmd == STATISTICS_NOTIFICATION)) { - iwl_rx_calc_noise(priv); + iwlagn_rx_calc_noise(priv); queue_work(priv->shrd->workqueue, &priv->run_time_calib_work); } if (priv->cfg->lib->temperature && change) @@ -589,7 +588,7 @@ static int iwl_rx_statistics(struct iwl_priv *priv, return 0; } -static int iwl_rx_reply_statistics(struct iwl_priv *priv, +static int iwlagn_rx_reply_statistics(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, struct iwl_device_cmd *cmd) { @@ -606,13 +605,13 @@ static int iwl_rx_reply_statistics(struct iwl_priv *priv, #endif IWL_DEBUG_RX(priv, "Statistics have been cleared\n"); } - iwl_rx_statistics(priv, rxb, cmd); + iwlagn_rx_statistics(priv, rxb, cmd); return 0; } /* Handle notification from uCode that card's power state is changing * due to software, hardware, or critical temperature RFKILL */ -static int iwl_rx_card_state_notif(struct iwl_priv *priv, +static int iwlagn_rx_card_state_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, struct iwl_device_cmd *cmd) { @@ -665,7 +664,7 @@ static int iwl_rx_card_state_notif(struct iwl_priv *priv, return 0; } -static int iwl_rx_missed_beacon_notif(struct iwl_priv *priv, +static int iwlagn_rx_missed_beacon_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, struct iwl_device_cmd *cmd) @@ -690,7 +689,7 @@ static int iwl_rx_missed_beacon_notif(struct iwl_priv *priv, /* Cache phy data (Rx signal strength, etc) for HT frame (REPLY_RX_PHY_CMD). * This will be used later in iwl_rx_reply_rx() for REPLY_RX_MPDU_CMD. */ -static int iwl_rx_reply_rx_phy(struct iwl_priv *priv, +static int iwlagn_rx_reply_rx_phy(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, struct iwl_device_cmd *cmd) { @@ -705,7 +704,7 @@ static int iwl_rx_reply_rx_phy(struct iwl_priv *priv, /* * returns non-zero if packet should be dropped */ -static int iwl_set_decrypted_flag(struct iwl_priv *priv, +static int iwlagn_set_decrypted_flag(struct iwl_priv *priv, struct ieee80211_hdr *hdr, u32 decrypt_res, struct ieee80211_rx_status *stats) @@ -754,7 +753,7 @@ static int iwl_set_decrypted_flag(struct iwl_priv *priv, return 0; } -static void iwl_pass_packet_to_mac80211(struct iwl_priv *priv, +static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv, struct ieee80211_hdr *hdr, u16 len, u32 ampdu_status, @@ -774,7 +773,7 @@ static void iwl_pass_packet_to_mac80211(struct iwl_priv *priv, /* In case of HW accelerated crypto and bad decryption, drop */ if (!iwlagn_mod_params.sw_crypto && - iwl_set_decrypted_flag(priv, hdr, ampdu_status, stats)) + iwlagn_set_decrypted_flag(priv, hdr, ampdu_status, stats)) return; skb = dev_alloc_skb(128); @@ -802,7 +801,8 @@ static void iwl_pass_packet_to_mac80211(struct iwl_priv *priv, ctx->active.bssid_addr)) continue; ctx->last_tx_rejected = false; - iwl_trans_wake_any_queue(trans(priv), ctx->ctxid); + iwl_trans_wake_any_queue(trans(priv), ctx->ctxid, + "channel got active"); } } @@ -812,7 +812,7 @@ static void iwl_pass_packet_to_mac80211(struct iwl_priv *priv, rxb->page = NULL; } -static u32 iwl_translate_rx_status(struct iwl_priv *priv, u32 decrypt_in) +static u32 iwlagn_translate_rx_status(struct iwl_priv *priv, u32 decrypt_in) { u32 decrypt_out = 0; @@ -914,7 +914,7 @@ static int iwlagn_calc_rssi(struct iwl_priv *priv, /* Called for REPLY_RX (legacy ABG frames), or * REPLY_RX_MPDU_CMD (HT high-throughput N frames). */ -static int iwl_rx_reply_rx(struct iwl_priv *priv, +static int iwlagn_rx_reply_rx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, struct iwl_device_cmd *cmd) { @@ -956,7 +956,7 @@ static int iwl_rx_reply_rx(struct iwl_priv *priv, header = (struct ieee80211_hdr *)(pkt->u.raw + sizeof(*amsdu)); len = le16_to_cpu(amsdu->byte_count); rx_pkt_status = *(__le32 *)(pkt->u.raw + sizeof(*amsdu) + len); - ampdu_status = iwl_translate_rx_status(priv, + ampdu_status = iwlagn_translate_rx_status(priv, le32_to_cpu(rx_pkt_status)); } @@ -1029,11 +1029,55 @@ static int iwl_rx_reply_rx(struct iwl_priv *priv, if (rate_n_flags & RATE_MCS_SGI_MSK) rx_status.flag |= RX_FLAG_SHORT_GI; - iwl_pass_packet_to_mac80211(priv, header, len, ampdu_status, + iwlagn_pass_packet_to_mac80211(priv, header, len, ampdu_status, rxb, &rx_status); return 0; } +static int iwlagn_rx_noa_notification(struct iwl_priv *priv, + struct iwl_rx_mem_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_wipan_noa_data *new_data, *old_data; + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_wipan_noa_notification *noa_notif = (void *)pkt->u.raw; + + /* no condition -- we're in softirq */ + old_data = rcu_dereference_protected(priv->noa_data, true); + + if (noa_notif->noa_active) { + u32 len = le16_to_cpu(noa_notif->noa_attribute.length); + u32 copylen = len; + + /* EID, len, OUI, subtype */ + len += 1 + 1 + 3 + 1; + /* P2P id, P2P length */ + len += 1 + 2; + copylen += 1 + 2; + + new_data = kmalloc(sizeof(*new_data) + len, GFP_ATOMIC); + if (new_data) { + new_data->length = len; + new_data->data[0] = WLAN_EID_VENDOR_SPECIFIC; + new_data->data[1] = len - 2; /* not counting EID, len */ + new_data->data[2] = (WLAN_OUI_WFA >> 16) & 0xff; + new_data->data[3] = (WLAN_OUI_WFA >> 8) & 0xff; + new_data->data[4] = (WLAN_OUI_WFA >> 0) & 0xff; + new_data->data[5] = WLAN_OUI_TYPE_WFA_P2P; + memcpy(&new_data->data[6], &noa_notif->noa_attribute, + copylen); + } + } else + new_data = NULL; + + rcu_assign_pointer(priv->noa_data, new_data); + + if (old_data) + kfree_rcu(old_data, rcu_head); + + return 0; +} + /** * iwl_setup_rx_handlers - Initialize Rx handler callbacks * @@ -1047,33 +1091,39 @@ void iwl_setup_rx_handlers(struct iwl_priv *priv) handlers = priv->rx_handlers; - handlers[REPLY_ERROR] = iwl_rx_reply_error; - handlers[CHANNEL_SWITCH_NOTIFICATION] = iwl_rx_csa; - handlers[SPECTRUM_MEASURE_NOTIFICATION] = iwl_rx_spectrum_measure_notif; - handlers[PM_SLEEP_NOTIFICATION] = iwl_rx_pm_sleep_notif; - handlers[PM_DEBUG_STATISTIC_NOTIFIC] = iwl_rx_pm_debug_statistics_notif; - handlers[BEACON_NOTIFICATION] = iwl_rx_beacon_notif; + handlers[REPLY_ERROR] = iwlagn_rx_reply_error; + handlers[CHANNEL_SWITCH_NOTIFICATION] = iwlagn_rx_csa; + handlers[SPECTRUM_MEASURE_NOTIFICATION] = + iwlagn_rx_spectrum_measure_notif; + handlers[PM_SLEEP_NOTIFICATION] = iwlagn_rx_pm_sleep_notif; + handlers[PM_DEBUG_STATISTIC_NOTIFIC] = + iwlagn_rx_pm_debug_statistics_notif; + handlers[BEACON_NOTIFICATION] = iwlagn_rx_beacon_notif; handlers[REPLY_ADD_STA] = iwl_add_sta_callback; + handlers[REPLY_WIPAN_NOA_NOTIFICATION] = iwlagn_rx_noa_notification; + /* * The same handler is used for both the REPLY to a discrete * statistics request from the host as well as for the periodic * statistics notifications (after received beacons) from the uCode. */ - handlers[REPLY_STATISTICS_CMD] = iwl_rx_reply_statistics; - handlers[STATISTICS_NOTIFICATION] = iwl_rx_statistics; + handlers[REPLY_STATISTICS_CMD] = iwlagn_rx_reply_statistics; + handlers[STATISTICS_NOTIFICATION] = iwlagn_rx_statistics; iwl_setup_rx_scan_handlers(priv); - handlers[CARD_STATE_NOTIFICATION] = iwl_rx_card_state_notif; - handlers[MISSED_BEACONS_NOTIFICATION] = iwl_rx_missed_beacon_notif; + handlers[CARD_STATE_NOTIFICATION] = iwlagn_rx_card_state_notif; + handlers[MISSED_BEACONS_NOTIFICATION] = + iwlagn_rx_missed_beacon_notif; /* Rx handlers */ - handlers[REPLY_RX_PHY_CMD] = iwl_rx_reply_rx_phy; - handlers[REPLY_RX_MPDU_CMD] = iwl_rx_reply_rx; + handlers[REPLY_RX_PHY_CMD] = iwlagn_rx_reply_rx_phy; + handlers[REPLY_RX_MPDU_CMD] = iwlagn_rx_reply_rx; /* block ack */ - handlers[REPLY_COMPRESSED_BA] = iwlagn_rx_reply_compressed_ba; + handlers[REPLY_COMPRESSED_BA] = + iwlagn_rx_reply_compressed_ba; /* init calibration handlers */ priv->rx_handlers[CALIBRATION_RES_NOTIFICATION] = diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c index ca632f9b1cc8..8de97f5a1825 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c @@ -26,10 +26,8 @@ #include "iwl-dev.h" #include "iwl-agn.h" -#include "iwl-sta.h" #include "iwl-core.h" #include "iwl-agn-calib.h" -#include "iwl-helpers.h" #include "iwl-trans.h" #include "iwl-shared.h" @@ -47,7 +45,8 @@ static int iwlagn_disable_bss(struct iwl_priv *priv, send->filter_flags = old_filter; if (ret) - IWL_ERR(priv, "Error clearing ASSOC_MSK on BSS (%d)\n", ret); + IWL_DEBUG_QUIET_RFKILL(priv, + "Error clearing ASSOC_MSK on BSS (%d)\n", ret); return ret; } @@ -118,7 +117,7 @@ static void iwlagn_update_qos(struct iwl_priv *priv, if (ctx->ht.enabled) ctx->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK; - IWL_DEBUG_QOS(priv, "send QoS cmd with Qos active=%d FLAGS=0x%X\n", + IWL_DEBUG_INFO(priv, "send QoS cmd with Qos active=%d FLAGS=0x%X\n", ctx->qos_data.qos_active, ctx->qos_data.def_qos_parm.qos_flags); @@ -126,7 +125,7 @@ static void iwlagn_update_qos(struct iwl_priv *priv, sizeof(struct iwl_qosparam_cmd), &ctx->qos_data.def_qos_parm); if (ret) - IWL_ERR(priv, "Failed to update QoS\n"); + IWL_DEBUG_QUIET_RFKILL(priv, "Failed to update QoS\n"); } static int iwlagn_update_beacon(struct iwl_priv *priv, @@ -296,8 +295,8 @@ static int iwlagn_rxon_connect(struct iwl_priv *priv, return ret; } - if ((ctx->vif && ctx->vif->type == NL80211_IFTYPE_STATION) && - priv->cfg->ht_params->smps_mode) + if (ctx->vif && ctx->vif->type == NL80211_IFTYPE_STATION && + priv->cfg->ht_params && priv->cfg->ht_params->smps_mode) ieee80211_request_smps(ctx->vif, priv->cfg->ht_params->smps_mode); @@ -539,10 +538,13 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) const struct iwl_channel_info *ch_info; int ret = 0; - IWL_DEBUG_MAC80211(priv, "changed %#x", changed); + IWL_DEBUG_MAC80211(priv, "enter: changed %#x", changed); mutex_lock(&priv->shrd->mutex); + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + goto out; + if (unlikely(test_bit(STATUS_SCANNING, &priv->shrd->status))) { IWL_DEBUG_MAC80211(priv, "leave - scanning\n"); goto out; @@ -657,6 +659,8 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) } out: mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); + return ret; } @@ -840,7 +844,8 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, if (ctx->last_tx_rejected) { ctx->last_tx_rejected = false; iwl_trans_wake_any_queue(trans(priv), - ctx->ctxid); + ctx->ctxid, + "Disassoc: flush queue"); } ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c index 8f0b86de1863..901fd9485d75 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c @@ -31,26 +31,816 @@ #include "iwl-dev.h" #include "iwl-core.h" -#include "iwl-sta.h" #include "iwl-agn.h" #include "iwl-trans.h" -static struct iwl_link_quality_cmd * -iwl_sta_alloc_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, u8 sta_id) +/* priv->shrd->sta_lock must be held */ +static void iwl_sta_ucode_activate(struct iwl_priv *priv, u8 sta_id) +{ + + if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) + IWL_ERR(priv, "ACTIVATE a non DRIVER active station id %u " + "addr %pM\n", + sta_id, priv->stations[sta_id].sta.sta.addr); + + if (priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE) { + IWL_DEBUG_ASSOC(priv, + "STA id %u addr %pM already present in uCode " + "(according to driver)\n", + sta_id, priv->stations[sta_id].sta.sta.addr); + } else { + priv->stations[sta_id].used |= IWL_STA_UCODE_ACTIVE; + IWL_DEBUG_ASSOC(priv, "Added STA id %u addr %pM to uCode\n", + sta_id, priv->stations[sta_id].sta.sta.addr); + } +} + +static int iwl_process_add_sta_resp(struct iwl_priv *priv, + struct iwl_addsta_cmd *addsta, + struct iwl_rx_packet *pkt) +{ + u8 sta_id = addsta->sta.sta_id; + unsigned long flags; + int ret = -EIO; + + if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { + IWL_ERR(priv, "Bad return from REPLY_ADD_STA (0x%08X)\n", + pkt->hdr.flags); + return ret; + } + + IWL_DEBUG_INFO(priv, "Processing response for adding station %u\n", + sta_id); + + spin_lock_irqsave(&priv->shrd->sta_lock, flags); + + switch (pkt->u.add_sta.status) { + case ADD_STA_SUCCESS_MSK: + IWL_DEBUG_INFO(priv, "REPLY_ADD_STA PASSED\n"); + iwl_sta_ucode_activate(priv, sta_id); + ret = 0; + break; + case ADD_STA_NO_ROOM_IN_TABLE: + IWL_ERR(priv, "Adding station %d failed, no room in table.\n", + sta_id); + break; + case ADD_STA_NO_BLOCK_ACK_RESOURCE: + IWL_ERR(priv, "Adding station %d failed, no block ack " + "resource.\n", sta_id); + break; + case ADD_STA_MODIFY_NON_EXIST_STA: + IWL_ERR(priv, "Attempting to modify non-existing station %d\n", + sta_id); + break; + default: + IWL_DEBUG_ASSOC(priv, "Received REPLY_ADD_STA:(0x%08X)\n", + pkt->u.add_sta.status); + break; + } + + IWL_DEBUG_INFO(priv, "%s station id %u addr %pM\n", + priv->stations[sta_id].sta.mode == + STA_CONTROL_MODIFY_MSK ? "Modified" : "Added", + sta_id, priv->stations[sta_id].sta.sta.addr); + + /* + * XXX: The MAC address in the command buffer is often changed from + * the original sent to the device. That is, the MAC address + * written to the command buffer often is not the same MAC address + * read from the command buffer when the command returns. This + * issue has not yet been resolved and this debugging is left to + * observe the problem. + */ + IWL_DEBUG_INFO(priv, "%s station according to cmd buffer %pM\n", + priv->stations[sta_id].sta.mode == + STA_CONTROL_MODIFY_MSK ? "Modified" : "Added", + addsta->sta.addr); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + + return ret; +} + +int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_addsta_cmd *addsta = + (struct iwl_addsta_cmd *) cmd->payload; + + return iwl_process_add_sta_resp(priv, addsta, pkt); +} + +static u16 iwlagn_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data) +{ + u16 size = (u16)sizeof(struct iwl_addsta_cmd); + struct iwl_addsta_cmd *addsta = (struct iwl_addsta_cmd *)data; + memcpy(addsta, cmd, size); + /* resrved in 5000 */ + addsta->rate_n_flags = cpu_to_le16(0); + return size; +} + +int iwl_send_add_sta(struct iwl_priv *priv, + struct iwl_addsta_cmd *sta, u8 flags) +{ + int ret = 0; + u8 data[sizeof(*sta)]; + struct iwl_host_cmd cmd = { + .id = REPLY_ADD_STA, + .flags = flags, + .data = { data, }, + }; + u8 sta_id __maybe_unused = sta->sta.sta_id; + + IWL_DEBUG_INFO(priv, "Adding sta %u (%pM) %ssynchronously\n", + sta_id, sta->sta.addr, flags & CMD_ASYNC ? "a" : ""); + + if (!(flags & CMD_ASYNC)) { + cmd.flags |= CMD_WANT_SKB; + might_sleep(); + } + + cmd.len[0] = iwlagn_build_addsta_hcmd(sta, data); + ret = iwl_trans_send_cmd(trans(priv), &cmd); + + if (ret || (flags & CMD_ASYNC)) + return ret; + /*else the command was successfully sent in SYNC mode, need to free + * the reply page */ + + iwl_free_pages(priv->shrd, cmd.reply_page); + + if (cmd.handler_status) + IWL_ERR(priv, "%s - error in the CMD response %d", __func__, + cmd.handler_status); + + return cmd.handler_status; +} + +static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index, + struct ieee80211_sta *sta, + struct iwl_rxon_context *ctx) +{ + struct ieee80211_sta_ht_cap *sta_ht_inf = &sta->ht_cap; + __le32 sta_flags; + u8 mimo_ps_mode; + + if (!sta || !sta_ht_inf->ht_supported) + goto done; + + mimo_ps_mode = (sta_ht_inf->cap & IEEE80211_HT_CAP_SM_PS) >> 2; + IWL_DEBUG_ASSOC(priv, "spatial multiplexing power save mode: %s\n", + (mimo_ps_mode == WLAN_HT_CAP_SM_PS_STATIC) ? + "static" : + (mimo_ps_mode == WLAN_HT_CAP_SM_PS_DYNAMIC) ? + "dynamic" : "disabled"); + + sta_flags = priv->stations[index].sta.station_flags; + + sta_flags &= ~(STA_FLG_RTS_MIMO_PROT_MSK | STA_FLG_MIMO_DIS_MSK); + + switch (mimo_ps_mode) { + case WLAN_HT_CAP_SM_PS_STATIC: + sta_flags |= STA_FLG_MIMO_DIS_MSK; + break; + case WLAN_HT_CAP_SM_PS_DYNAMIC: + sta_flags |= STA_FLG_RTS_MIMO_PROT_MSK; + break; + case WLAN_HT_CAP_SM_PS_DISABLED: + break; + default: + IWL_WARN(priv, "Invalid MIMO PS mode %d\n", mimo_ps_mode); + break; + } + + sta_flags |= cpu_to_le32( + (u32)sta_ht_inf->ampdu_factor << STA_FLG_MAX_AGG_SIZE_POS); + + sta_flags |= cpu_to_le32( + (u32)sta_ht_inf->ampdu_density << STA_FLG_AGG_MPDU_DENSITY_POS); + + if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap)) + sta_flags |= STA_FLG_HT40_EN_MSK; + else + sta_flags &= ~STA_FLG_HT40_EN_MSK; + + priv->stations[index].sta.station_flags = sta_flags; + done: + return; +} + +/** + * iwl_prep_station - Prepare station information for addition + * + * should be called with sta_lock held + */ +u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, + const u8 *addr, bool is_ap, struct ieee80211_sta *sta) +{ + struct iwl_station_entry *station; + int i; + u8 sta_id = IWL_INVALID_STATION; + + if (is_ap) + sta_id = ctx->ap_sta_id; + else if (is_broadcast_ether_addr(addr)) + sta_id = ctx->bcast_sta_id; + else + for (i = IWL_STA_ID; i < IWLAGN_STATION_COUNT; i++) { + if (!compare_ether_addr(priv->stations[i].sta.sta.addr, + addr)) { + sta_id = i; + break; + } + + if (!priv->stations[i].used && + sta_id == IWL_INVALID_STATION) + sta_id = i; + } + + /* + * These two conditions have the same outcome, but keep them + * separate + */ + if (unlikely(sta_id == IWL_INVALID_STATION)) + return sta_id; + + /* + * uCode is not able to deal with multiple requests to add a + * station. Keep track if one is in progress so that we do not send + * another. + */ + if (priv->stations[sta_id].used & IWL_STA_UCODE_INPROGRESS) { + IWL_DEBUG_INFO(priv, "STA %d already in process of being " + "added.\n", sta_id); + return sta_id; + } + + if ((priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE) && + (priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE) && + !compare_ether_addr(priv->stations[sta_id].sta.sta.addr, addr)) { + IWL_DEBUG_ASSOC(priv, "STA %d (%pM) already added, not " + "adding again.\n", sta_id, addr); + return sta_id; + } + + station = &priv->stations[sta_id]; + station->used = IWL_STA_DRIVER_ACTIVE; + IWL_DEBUG_ASSOC(priv, "Add STA to driver ID %d: %pM\n", + sta_id, addr); + priv->num_stations++; + + /* Set up the REPLY_ADD_STA command to send to device */ + memset(&station->sta, 0, sizeof(struct iwl_addsta_cmd)); + memcpy(station->sta.sta.addr, addr, ETH_ALEN); + station->sta.mode = 0; + station->sta.sta.sta_id = sta_id; + station->sta.station_flags = ctx->station_flags; + station->ctxid = ctx->ctxid; + + if (sta) { + struct iwl_station_priv *sta_priv; + + sta_priv = (void *)sta->drv_priv; + sta_priv->ctx = ctx; + } + + /* + * OK to call unconditionally, since local stations (IBSS BSSID + * STA and broadcast STA) pass in a NULL sta, and mac80211 + * doesn't allow HT IBSS. + */ + iwl_set_ht_add_station(priv, sta_id, sta, ctx); + + return sta_id; + +} + +#define STA_WAIT_TIMEOUT (HZ/2) + +/** + * iwl_add_station_common - + */ +int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, + const u8 *addr, bool is_ap, + struct ieee80211_sta *sta, u8 *sta_id_r) +{ + unsigned long flags_spin; + int ret = 0; + u8 sta_id; + struct iwl_addsta_cmd sta_cmd; + + *sta_id_r = 0; + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + sta_id = iwl_prep_station(priv, ctx, addr, is_ap, sta); + if (sta_id == IWL_INVALID_STATION) { + IWL_ERR(priv, "Unable to prepare station %pM for addition\n", + addr); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + return -EINVAL; + } + + /* + * uCode is not able to deal with multiple requests to add a + * station. Keep track if one is in progress so that we do not send + * another. + */ + if (priv->stations[sta_id].used & IWL_STA_UCODE_INPROGRESS) { + IWL_DEBUG_INFO(priv, "STA %d already in process of being " + "added.\n", sta_id); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + return -EEXIST; + } + + if ((priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE) && + (priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE)) { + IWL_DEBUG_ASSOC(priv, "STA %d (%pM) already added, not " + "adding again.\n", sta_id, addr); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + return -EEXIST; + } + + priv->stations[sta_id].used |= IWL_STA_UCODE_INPROGRESS; + memcpy(&sta_cmd, &priv->stations[sta_id].sta, + sizeof(struct iwl_addsta_cmd)); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + + /* Add station to device's station table */ + ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); + if (ret) { + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + IWL_ERR(priv, "Adding station %pM failed.\n", + priv->stations[sta_id].sta.sta.addr); + priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; + priv->stations[sta_id].used &= ~IWL_STA_UCODE_INPROGRESS; + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + } + *sta_id_r = sta_id; + return ret; +} + +/** + * iwl_sta_ucode_deactivate - deactivate ucode status for a station + * + * priv->shrd->sta_lock must be held + */ +static void iwl_sta_ucode_deactivate(struct iwl_priv *priv, u8 sta_id) +{ + /* Ucode must be active and driver must be non active */ + if ((priv->stations[sta_id].used & + (IWL_STA_UCODE_ACTIVE | IWL_STA_DRIVER_ACTIVE)) != + IWL_STA_UCODE_ACTIVE) + IWL_ERR(priv, "removed non active STA %u\n", sta_id); + + priv->stations[sta_id].used &= ~IWL_STA_UCODE_ACTIVE; + + memset(&priv->stations[sta_id], 0, sizeof(struct iwl_station_entry)); + IWL_DEBUG_ASSOC(priv, "Removed STA %u\n", sta_id); +} + +static int iwl_send_remove_station(struct iwl_priv *priv, + const u8 *addr, int sta_id, + bool temporary) +{ + struct iwl_rx_packet *pkt; + int ret; + + unsigned long flags_spin; + struct iwl_rem_sta_cmd rm_sta_cmd; + + struct iwl_host_cmd cmd = { + .id = REPLY_REMOVE_STA, + .len = { sizeof(struct iwl_rem_sta_cmd), }, + .flags = CMD_SYNC, + .data = { &rm_sta_cmd, }, + }; + + memset(&rm_sta_cmd, 0, sizeof(rm_sta_cmd)); + rm_sta_cmd.num_sta = 1; + memcpy(&rm_sta_cmd.addr, addr, ETH_ALEN); + + cmd.flags |= CMD_WANT_SKB; + + ret = iwl_trans_send_cmd(trans(priv), &cmd); + + if (ret) + return ret; + + pkt = (struct iwl_rx_packet *)cmd.reply_page; + if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { + IWL_ERR(priv, "Bad return from REPLY_REMOVE_STA (0x%08X)\n", + pkt->hdr.flags); + ret = -EIO; + } + + if (!ret) { + switch (pkt->u.rem_sta.status) { + case REM_STA_SUCCESS_MSK: + if (!temporary) { + spin_lock_irqsave(&priv->shrd->sta_lock, + flags_spin); + iwl_sta_ucode_deactivate(priv, sta_id); + spin_unlock_irqrestore(&priv->shrd->sta_lock, + flags_spin); + } + IWL_DEBUG_ASSOC(priv, "REPLY_REMOVE_STA PASSED\n"); + break; + default: + ret = -EIO; + IWL_ERR(priv, "REPLY_REMOVE_STA failed\n"); + break; + } + } + iwl_free_pages(priv->shrd, cmd.reply_page); + + return ret; +} + +/** + * iwl_remove_station - Remove driver's knowledge of station. + */ +int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, + const u8 *addr) +{ + unsigned long flags; + + if (!iwl_is_ready(priv->shrd)) { + IWL_DEBUG_INFO(priv, + "Unable to remove station %pM, device not ready.\n", + addr); + /* + * It is typical for stations to be removed when we are + * going down. Return success since device will be down + * soon anyway + */ + return 0; + } + + IWL_DEBUG_ASSOC(priv, "Removing STA from driver:%d %pM\n", + sta_id, addr); + + if (WARN_ON(sta_id == IWL_INVALID_STATION)) + return -EINVAL; + + spin_lock_irqsave(&priv->shrd->sta_lock, flags); + + if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) { + IWL_DEBUG_INFO(priv, "Removing %pM but non DRIVER active\n", + addr); + goto out_err; + } + + if (!(priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE)) { + IWL_DEBUG_INFO(priv, "Removing %pM but non UCODE active\n", + addr); + goto out_err; + } + + if (priv->stations[sta_id].used & IWL_STA_LOCAL) { + kfree(priv->stations[sta_id].lq); + priv->stations[sta_id].lq = NULL; + } + + priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; + + priv->num_stations--; + + if (WARN_ON(priv->num_stations < 0)) + priv->num_stations = 0; + + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + + return iwl_send_remove_station(priv, addr, sta_id, false); +out_err: + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + return -EINVAL; +} + +/** + * iwl_clear_ucode_stations - clear ucode station table bits + * + * This function clears all the bits in the driver indicating + * which stations are active in the ucode. Call when something + * other than explicit station management would cause this in + * the ucode, e.g. unassociated RXON. + */ +void iwl_clear_ucode_stations(struct iwl_priv *priv, + struct iwl_rxon_context *ctx) +{ + int i; + unsigned long flags_spin; + bool cleared = false; + + IWL_DEBUG_INFO(priv, "Clearing ucode stations in driver\n"); + + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + for (i = 0; i < IWLAGN_STATION_COUNT; i++) { + if (ctx && ctx->ctxid != priv->stations[i].ctxid) + continue; + + if (priv->stations[i].used & IWL_STA_UCODE_ACTIVE) { + IWL_DEBUG_INFO(priv, + "Clearing ucode active for station %d\n", i); + priv->stations[i].used &= ~IWL_STA_UCODE_ACTIVE; + cleared = true; + } + } + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + + if (!cleared) + IWL_DEBUG_INFO(priv, + "No active stations found to be cleared\n"); +} + +/** + * iwl_restore_stations() - Restore driver known stations to device + * + * All stations considered active by driver, but not present in ucode, is + * restored. + * + * Function sleeps. + */ +void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) +{ + struct iwl_addsta_cmd sta_cmd; + struct iwl_link_quality_cmd lq; + unsigned long flags_spin; + int i; + bool found = false; + int ret; + bool send_lq; + + if (!iwl_is_ready(priv->shrd)) { + IWL_DEBUG_INFO(priv, + "Not ready yet, not restoring any stations.\n"); + return; + } + + IWL_DEBUG_ASSOC(priv, "Restoring all known stations ... start.\n"); + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + for (i = 0; i < IWLAGN_STATION_COUNT; i++) { + if (ctx->ctxid != priv->stations[i].ctxid) + continue; + if ((priv->stations[i].used & IWL_STA_DRIVER_ACTIVE) && + !(priv->stations[i].used & IWL_STA_UCODE_ACTIVE)) { + IWL_DEBUG_ASSOC(priv, "Restoring sta %pM\n", + priv->stations[i].sta.sta.addr); + priv->stations[i].sta.mode = 0; + priv->stations[i].used |= IWL_STA_UCODE_INPROGRESS; + found = true; + } + } + + for (i = 0; i < IWLAGN_STATION_COUNT; i++) { + if ((priv->stations[i].used & IWL_STA_UCODE_INPROGRESS)) { + memcpy(&sta_cmd, &priv->stations[i].sta, + sizeof(struct iwl_addsta_cmd)); + send_lq = false; + if (priv->stations[i].lq) { + if (priv->shrd->wowlan) + iwl_sta_fill_lq(priv, ctx, i, &lq); + else + memcpy(&lq, priv->stations[i].lq, + sizeof(struct iwl_link_quality_cmd)); + send_lq = true; + } + spin_unlock_irqrestore(&priv->shrd->sta_lock, + flags_spin); + ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); + if (ret) { + spin_lock_irqsave(&priv->shrd->sta_lock, + flags_spin); + IWL_ERR(priv, "Adding station %pM failed.\n", + priv->stations[i].sta.sta.addr); + priv->stations[i].used &= + ~IWL_STA_DRIVER_ACTIVE; + priv->stations[i].used &= + ~IWL_STA_UCODE_INPROGRESS; + spin_unlock_irqrestore(&priv->shrd->sta_lock, + flags_spin); + } + /* + * Rate scaling has already been initialized, send + * current LQ command + */ + if (send_lq) + iwl_send_lq_cmd(priv, ctx, &lq, + CMD_SYNC, true); + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS; + } + } + + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + if (!found) + IWL_DEBUG_INFO(priv, "Restoring all known stations .... " + "no stations to be restored.\n"); + else + IWL_DEBUG_INFO(priv, "Restoring all known stations .... " + "complete.\n"); +} + +void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx) +{ + unsigned long flags; + int sta_id = ctx->ap_sta_id; + int ret; + struct iwl_addsta_cmd sta_cmd; + struct iwl_link_quality_cmd lq; + bool active, have_lq = false; + + spin_lock_irqsave(&priv->shrd->sta_lock, flags); + if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) { + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + return; + } + + memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(sta_cmd)); + sta_cmd.mode = 0; + if (priv->stations[sta_id].lq) { + memcpy(&lq, priv->stations[sta_id].lq, sizeof(lq)); + have_lq = true; + } + + active = priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE; + priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + + if (active) { + ret = iwl_send_remove_station( + priv, priv->stations[sta_id].sta.sta.addr, + sta_id, true); + if (ret) + IWL_ERR(priv, "failed to remove STA %pM (%d)\n", + priv->stations[sta_id].sta.sta.addr, ret); + } + spin_lock_irqsave(&priv->shrd->sta_lock, flags); + priv->stations[sta_id].used |= IWL_STA_DRIVER_ACTIVE; + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + + ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); + if (ret) + IWL_ERR(priv, "failed to re-add STA %pM (%d)\n", + priv->stations[sta_id].sta.sta.addr, ret); + if (have_lq) + iwl_send_lq_cmd(priv, ctx, &lq, CMD_SYNC, true); +} + +int iwl_get_free_ucode_key_offset(struct iwl_priv *priv) +{ + int i; + + for (i = 0; i < priv->sta_key_max_num; i++) + if (!test_and_set_bit(i, &priv->ucode_key_table)) + return i; + + return WEP_INVALID_OFFSET; +} + +void iwl_dealloc_bcast_stations(struct iwl_priv *priv) +{ + unsigned long flags; + int i; + + spin_lock_irqsave(&priv->shrd->sta_lock, flags); + for (i = 0; i < IWLAGN_STATION_COUNT; i++) { + if (!(priv->stations[i].used & IWL_STA_BCAST)) + continue; + + priv->stations[i].used &= ~IWL_STA_UCODE_ACTIVE; + priv->num_stations--; + if (WARN_ON(priv->num_stations < 0)) + priv->num_stations = 0; + kfree(priv->stations[i].lq); + priv->stations[i].lq = NULL; + } + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); +} + +#ifdef CONFIG_IWLWIFI_DEBUG +static void iwl_dump_lq_cmd(struct iwl_priv *priv, + struct iwl_link_quality_cmd *lq) +{ + int i; + IWL_DEBUG_RATE(priv, "lq station id 0x%x\n", lq->sta_id); + IWL_DEBUG_RATE(priv, "lq ant 0x%X 0x%X\n", + lq->general_params.single_stream_ant_msk, + lq->general_params.dual_stream_ant_msk); + + for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) + IWL_DEBUG_RATE(priv, "lq index %d 0x%X\n", + i, lq->rs_table[i].rate_n_flags); +} +#else +static inline void iwl_dump_lq_cmd(struct iwl_priv *priv, + struct iwl_link_quality_cmd *lq) +{ +} +#endif + +/** + * is_lq_table_valid() - Test one aspect of LQ cmd for validity + * + * It sometimes happens when a HT rate has been in use and we + * loose connectivity with AP then mac80211 will first tell us that the + * current channel is not HT anymore before removing the station. In such a + * scenario the RXON flags will be updated to indicate we are not + * communicating HT anymore, but the LQ command may still contain HT rates. + * Test for this to prevent driver from sending LQ command between the time + * RXON flags are updated and when LQ command is updated. + */ +static bool is_lq_table_valid(struct iwl_priv *priv, + struct iwl_rxon_context *ctx, + struct iwl_link_quality_cmd *lq) +{ + int i; + + if (ctx->ht.enabled) + return true; + + IWL_DEBUG_INFO(priv, "Channel %u is not an HT channel\n", + ctx->active.channel); + for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) { + if (le32_to_cpu(lq->rs_table[i].rate_n_flags) & + RATE_MCS_HT_MSK) { + IWL_DEBUG_INFO(priv, + "index %d of LQ expects HT channel\n", + i); + return false; + } + } + return true; +} + +/** + * iwl_send_lq_cmd() - Send link quality command + * @init: This command is sent as part of station initialization right + * after station has been added. + * + * The link quality command is sent as the last step of station creation. + * This is the special case in which init is set and we call a callback in + * this case to clear the state indicating that station creation is in + * progress. + */ +int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, + struct iwl_link_quality_cmd *lq, u8 flags, bool init) +{ + int ret = 0; + unsigned long flags_spin; + + struct iwl_host_cmd cmd = { + .id = REPLY_TX_LINK_QUALITY_CMD, + .len = { sizeof(struct iwl_link_quality_cmd), }, + .flags = flags, + .data = { lq, }, + }; + + if (WARN_ON(lq->sta_id == IWL_INVALID_STATION)) + return -EINVAL; + + + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + if (!(priv->stations[lq->sta_id].used & IWL_STA_DRIVER_ACTIVE)) { + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + return -EINVAL; + } + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + + iwl_dump_lq_cmd(priv, lq); + if (WARN_ON(init && (cmd.flags & CMD_ASYNC))) + return -EINVAL; + + if (is_lq_table_valid(priv, ctx, lq)) + ret = iwl_trans_send_cmd(trans(priv), &cmd); + else + ret = -EINVAL; + + if (cmd.flags & CMD_ASYNC) + return ret; + + if (init) { + IWL_DEBUG_INFO(priv, "init LQ command complete, " + "clearing sta addition status for sta %d\n", + lq->sta_id); + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + priv->stations[lq->sta_id].used &= ~IWL_STA_UCODE_INPROGRESS; + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + } + return ret; +} + + +void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, + u8 sta_id, struct iwl_link_quality_cmd *link_cmd) { int i, r; - struct iwl_link_quality_cmd *link_cmd; u32 rate_flags = 0; __le32 rate_n_flags; - link_cmd = kzalloc(sizeof(struct iwl_link_quality_cmd), GFP_KERNEL); - if (!link_cmd) { - IWL_ERR(priv, "Unable to allocate memory for LQ cmd.\n"); - return NULL; - } - lockdep_assert_held(&priv->shrd->mutex); + memset(link_cmd, 0, sizeof(*link_cmd)); + /* Set up the rate scaling to start at selected rate, fall back * all the way down to 1M in IEEE order, and then spin on 1M */ if (priv->band == IEEE80211_BAND_5GHZ) @@ -82,11 +872,27 @@ iwl_sta_alloc_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, u8 sta_id) hw_params(priv).valid_tx_ant; } - link_cmd->agg_params.agg_dis_start_th = LINK_QUAL_AGG_DISABLE_START_DEF; + link_cmd->agg_params.agg_dis_start_th = + LINK_QUAL_AGG_DISABLE_START_DEF; link_cmd->agg_params.agg_time_limit = cpu_to_le16(LINK_QUAL_AGG_TIME_LIMIT_DEF); link_cmd->sta_id = sta_id; +} + +static struct iwl_link_quality_cmd * +iwl_sta_alloc_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, + u8 sta_id) +{ + struct iwl_link_quality_cmd *link_cmd; + + link_cmd = kzalloc(sizeof(struct iwl_link_quality_cmd), GFP_KERNEL); + if (!link_cmd) { + IWL_ERR(priv, "Unable to allocate memory for LQ cmd.\n"); + return NULL; + } + + iwl_sta_fill_lq(priv, ctx, sta_id, link_cmd); return link_cmd; } @@ -96,7 +902,8 @@ iwl_sta_alloc_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, u8 sta_id) * * Function sleeps. */ -int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, +int iwlagn_add_bssid_station(struct iwl_priv *priv, + struct iwl_rxon_context *ctx, const u8 *addr, u8 *sta_id_r) { int ret; @@ -123,7 +930,8 @@ int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx /* Set up default rate scaling table in device's station table */ link_cmd = iwl_sta_alloc_lq(priv, ctx, sta_id); if (!link_cmd) { - IWL_ERR(priv, "Unable to initialize rate scaling for station %pM.\n", + IWL_ERR(priv, + "Unable to initialize rate scaling for station %pM.\n", addr); return -ENOMEM; } @@ -215,7 +1023,8 @@ int iwl_remove_default_wep_key(struct iwl_priv *priv, memset(&ctx->wep_keys[keyconf->keyidx], 0, sizeof(ctx->wep_keys[0])); if (iwl_is_rfkill(priv->shrd)) { - IWL_DEBUG_WEP(priv, "Not sending REPLY_WEPKEY command due to RFKILL.\n"); + IWL_DEBUG_WEP(priv, + "Not sending REPLY_WEPKEY command due to RFKILL.\n"); /* but keys in device are clear anyway so return success */ return 0; } @@ -236,7 +1045,8 @@ int iwl_set_default_wep_key(struct iwl_priv *priv, if (keyconf->keylen != WEP_KEY_LEN_128 && keyconf->keylen != WEP_KEY_LEN_64) { - IWL_DEBUG_WEP(priv, "Bad WEP key length %d\n", keyconf->keylen); + IWL_DEBUG_WEP(priv, + "Bad WEP key length %d\n", keyconf->keylen); return -EINVAL; } @@ -636,20 +1446,7 @@ int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); } -static void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id) -{ - unsigned long flags; - spin_lock_irqsave(&priv->shrd->sta_lock, flags); - priv->stations[sta_id].sta.station_flags &= ~STA_FLG_PWR_SAVE_MSK; - priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK; - priv->stations[sta_id].sta.sta.modify_mask = 0; - priv->stations[sta_id].sta.sleep_tx_count = 0; - priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; - iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); - -} void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt) { @@ -666,33 +1463,3 @@ void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt) spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); } - -void iwlagn_mac_sta_notify(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - enum sta_notify_cmd cmd, - struct ieee80211_sta *sta) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; - int sta_id; - - switch (cmd) { - case STA_NOTIFY_SLEEP: - WARN_ON(!sta_priv->client); - sta_priv->asleep = true; - if (atomic_read(&sta_priv->pending_frames) > 0) - ieee80211_sta_block_awake(hw, sta, true); - break; - case STA_NOTIFY_AWAKE: - WARN_ON(!sta_priv->client); - if (!sta_priv->asleep) - break; - sta_priv->asleep = false; - sta_id = iwl_sta_id(sta); - if (sta_id != IWL_INVALID_STATION) - iwl_sta_modify_ps_wake(priv, sta_id); - break; - default: - break; - } -} diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c index dcb3bd67d4f9..a1a95d5f3923 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c @@ -35,9 +35,7 @@ #include "iwl-dev.h" #include "iwl-core.h" -#include "iwl-sta.h" #include "iwl-io.h" -#include "iwl-helpers.h" #include "iwl-agn-hw.h" #include "iwl-agn.h" #include "iwl-trans.h" @@ -113,8 +111,6 @@ static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv, tx_cmd->next_frame_len = 0; } -#define RTS_DFAULT_RETRY_LIMIT 60 - static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv, struct iwl_tx_cmd *tx_cmd, struct ieee80211_tx_info *info, @@ -126,17 +122,25 @@ static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv, u8 data_retry_limit; u8 rate_plcp; - /* Set retry limit on DATA packets and Probe Responses*/ - if (ieee80211_is_probe_resp(fc)) - data_retry_limit = 3; - else - data_retry_limit = IWLAGN_DEFAULT_TX_RETRY; - tx_cmd->data_retry_limit = data_retry_limit; + if (priv->shrd->wowlan) { + rts_retry_limit = IWLAGN_LOW_RETRY_LIMIT; + data_retry_limit = IWLAGN_LOW_RETRY_LIMIT; + } else { + /* Set retry limit on RTS packets */ + rts_retry_limit = IWLAGN_RTS_DFAULT_RETRY_LIMIT; + + /* Set retry limit on DATA packets and Probe Responses*/ + if (ieee80211_is_probe_resp(fc)) { + data_retry_limit = IWLAGN_MGMT_DFAULT_RETRY_LIMIT; + rts_retry_limit = + min(data_retry_limit, rts_retry_limit); + } else if (ieee80211_is_back_req(fc)) + data_retry_limit = IWLAGN_BAR_DFAULT_RETRY_LIMIT; + else + data_retry_limit = IWLAGN_DEFAULT_TX_RETRY; + } - /* Set retry limit on RTS packets */ - rts_retry_limit = RTS_DFAULT_RETRY_LIMIT; - if (data_retry_limit < rts_retry_limit) - rts_retry_limit = data_retry_limit; + tx_cmd->data_retry_limit = data_retry_limit; tx_cmd->rts_retry_limit = rts_retry_limit; /* DATA packets will use the uCode station table for rate/antenna @@ -279,6 +283,19 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) IWL_DEBUG_TX(priv, "Sending REASSOC frame\n"); #endif + if (unlikely(ieee80211_is_probe_resp(fc))) { + struct iwl_wipan_noa_data *noa_data = + rcu_dereference(priv->noa_data); + + if (noa_data && + pskb_expand_head(skb, 0, noa_data->length, + GFP_ATOMIC) == 0) { + memcpy(skb_put(skb, noa_data->length), + noa_data->data, noa_data->length); + hdr = (struct ieee80211_hdr *)skb->data; + } + } + hdr_len = ieee80211_hdrlen(fc); /* For management frames use broadcast id to do not break aggregation */ @@ -773,6 +790,7 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, iwl_rx_reply_tx_agg(priv, tx_resp); if (tx_resp->frame_count == 1) { + IWL_DEBUG_TX_REPLY(priv, "Q %d, ssn %d", txq_id, ssn); __skb_queue_head_init(&skbs); /*we can free until ssn % q.n_bd not inclusive */ iwl_trans_reclaim(trans(priv), sta_id, tid, txq_id, @@ -796,7 +814,8 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, iwl_is_associated_ctx(ctx) && ctx->vif && ctx->vif->type == NL80211_IFTYPE_STATION) { ctx->last_tx_rejected = true; - iwl_trans_stop_queue(trans(priv), txq_id); + iwl_trans_stop_queue(trans(priv), txq_id, + "Tx on passive channel"); IWL_DEBUG_TX_REPLY(priv, "TXQ %d status %s (0x%08x) " @@ -902,11 +921,9 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, ba_resp->sta_id); IWL_DEBUG_TX_REPLY(priv, "TID = %d, SeqCtl = %d, bitmap = 0x%llx, " "scd_flow = %d, scd_ssn = %d\n", - ba_resp->tid, - ba_resp->seq_ctl, + ba_resp->tid, ba_resp->seq_ctl, (unsigned long long)le64_to_cpu(ba_resp->bitmap), - ba_resp->scd_flow, - ba_resp->scd_ssn); + scd_flow, ba_resp_scd_ssn); /* Mark that the expected block-ack response arrived */ agg->wait_for_ba = false; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c index b4e1e7c4c314..76949106dafc 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c @@ -31,11 +31,11 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/sched.h> +#include <linux/dma-mapping.h> #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-io.h" -#include "iwl-helpers.h" #include "iwl-agn-hw.h" #include "iwl-agn.h" #include "iwl-agn-calib.h" @@ -73,51 +73,98 @@ static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = { {COEX_CU_RSRVD2_RP, COEX_CU_RSRVD2_WP, 0, COEX_RSRVD2_FLAGS} }; +/****************************************************************************** + * + * uCode download functions + * + ******************************************************************************/ + +static void iwl_free_fw_desc(struct iwl_bus *bus, struct fw_desc *desc) +{ + if (desc->v_addr) + dma_free_coherent(bus->dev, desc->len, + desc->v_addr, desc->p_addr); + desc->v_addr = NULL; + desc->len = 0; +} + +static void iwl_free_fw_img(struct iwl_bus *bus, struct fw_img *img) +{ + iwl_free_fw_desc(bus, &img->code); + iwl_free_fw_desc(bus, &img->data); +} + +void iwl_dealloc_ucode(struct iwl_trans *trans) +{ + iwl_free_fw_img(bus(trans), &trans->ucode_rt); + iwl_free_fw_img(bus(trans), &trans->ucode_init); + iwl_free_fw_img(bus(trans), &trans->ucode_wowlan); +} + +int iwl_alloc_fw_desc(struct iwl_bus *bus, struct fw_desc *desc, + const void *data, size_t len) +{ + if (!len) { + desc->v_addr = NULL; + return -EINVAL; + } + + desc->v_addr = dma_alloc_coherent(bus->dev, len, + &desc->p_addr, GFP_KERNEL); + if (!desc->v_addr) + return -ENOMEM; + + desc->len = len; + memcpy(desc->v_addr, data, len); + return 0; +} + /* * ucode */ -static int iwlagn_load_section(struct iwl_priv *priv, const char *name, +static int iwlagn_load_section(struct iwl_trans *trans, const char *name, struct fw_desc *image, u32 dst_addr) { + struct iwl_bus *bus = bus(trans); dma_addr_t phy_addr = image->p_addr; u32 byte_cnt = image->len; int ret; - priv->ucode_write_complete = 0; + trans->ucode_write_complete = 0; - iwl_write_direct32(bus(priv), + iwl_write_direct32(bus, FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL), FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE); - iwl_write_direct32(bus(priv), + iwl_write_direct32(bus, FH_SRVC_CHNL_SRAM_ADDR_REG(FH_SRVC_CHNL), dst_addr); - iwl_write_direct32(bus(priv), + iwl_write_direct32(bus, FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL), phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK); - iwl_write_direct32(bus(priv), + iwl_write_direct32(bus, FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL), (iwl_get_dma_hi_addr(phy_addr) << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_cnt); - iwl_write_direct32(bus(priv), + iwl_write_direct32(bus, FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL), 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM | 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX | FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID); - iwl_write_direct32(bus(priv), + iwl_write_direct32(bus, FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL), FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE | FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD); - IWL_DEBUG_FW(priv, "%s uCode section being loaded...\n", name); - ret = wait_event_timeout(priv->shrd->wait_command_queue, - priv->ucode_write_complete, 5 * HZ); + IWL_DEBUG_FW(bus, "%s uCode section being loaded...\n", name); + ret = wait_event_timeout(trans->shrd->wait_command_queue, + trans->ucode_write_complete, 5 * HZ); if (!ret) { - IWL_ERR(priv, "Could not load the %s uCode section\n", + IWL_ERR(trans, "Could not load the %s uCode section\n", name); return -ETIMEDOUT; } @@ -125,17 +172,41 @@ static int iwlagn_load_section(struct iwl_priv *priv, const char *name, return 0; } -static int iwlagn_load_given_ucode(struct iwl_priv *priv, - struct fw_img *image) +static inline struct fw_img *iwl_get_ucode_image(struct iwl_trans *trans, + enum iwl_ucode_type ucode_type) +{ + switch (ucode_type) { + case IWL_UCODE_INIT: + return &trans->ucode_init; + case IWL_UCODE_WOWLAN: + return &trans->ucode_wowlan; + case IWL_UCODE_REGULAR: + return &trans->ucode_rt; + case IWL_UCODE_NONE: + break; + } + return NULL; +} + +static int iwlagn_load_given_ucode(struct iwl_trans *trans, + enum iwl_ucode_type ucode_type) { int ret = 0; + struct fw_img *image = iwl_get_ucode_image(trans, ucode_type); + + + if (!image) { + IWL_ERR(trans, "Invalid ucode requested (%d)\n", + ucode_type); + return -EINVAL; + } - ret = iwlagn_load_section(priv, "INST", &image->code, + ret = iwlagn_load_section(trans, "INST", &image->code, IWLAGN_RTC_INST_LOWER_BOUND); if (ret) return ret; - return iwlagn_load_section(priv, "DATA", &image->data, + return iwlagn_load_section(trans, "DATA", &image->data, IWLAGN_RTC_DATA_LOWER_BOUND); } @@ -151,8 +222,7 @@ static int iwlagn_set_Xtal_calib(struct iwl_priv *priv) iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD); cmd.cap_pin1 = le16_to_cpu(xtal_calib[0]); cmd.cap_pin2 = le16_to_cpu(xtal_calib[1]); - return iwl_calib_set(&priv->calib_results[IWL_CALIB_XTAL], - (u8 *)&cmd, sizeof(cmd)); + return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd)); } static int iwlagn_set_temperature_offset_calib(struct iwl_priv *priv) @@ -169,8 +239,7 @@ static int iwlagn_set_temperature_offset_calib(struct iwl_priv *priv) IWL_DEBUG_CALIB(priv, "Radio sensor offset: %d\n", le16_to_cpu(cmd.radio_sensor_offset)); - return iwl_calib_set(&priv->calib_results[IWL_CALIB_TEMP_OFFSET], - (u8 *)&cmd, sizeof(cmd)); + return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd)); } static int iwlagn_set_temperature_offset_calib_v2(struct iwl_priv *priv) @@ -205,8 +274,7 @@ static int iwlagn_set_temperature_offset_calib_v2(struct iwl_priv *priv) IWL_DEBUG_CALIB(priv, "Voltage Ref: %d\n", le16_to_cpu(cmd.burntVoltageRef)); - return iwl_calib_set(&priv->calib_results[IWL_CALIB_TEMP_OFFSET], - (u8 *)&cmd, sizeof(cmd)); + return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd)); } static int iwlagn_send_calib_cfg(struct iwl_priv *priv) @@ -235,37 +303,14 @@ int iwlagn_rx_calib_result(struct iwl_priv *priv, struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->u.raw; int len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; - int index; /* reduce the size of the length field itself */ len -= 4; - /* Define the order in which the results will be sent to the runtime - * uCode. iwl_send_calib_results sends them in a row according to - * their index. We sort them here - */ - switch (hdr->op_code) { - case IWL_PHY_CALIBRATE_DC_CMD: - index = IWL_CALIB_DC; - break; - case IWL_PHY_CALIBRATE_LO_CMD: - index = IWL_CALIB_LO; - break; - case IWL_PHY_CALIBRATE_TX_IQ_CMD: - index = IWL_CALIB_TX_IQ; - break; - case IWL_PHY_CALIBRATE_TX_IQ_PERD_CMD: - index = IWL_CALIB_TX_IQ_PERD; - break; - case IWL_PHY_CALIBRATE_BASE_BAND_CMD: - index = IWL_CALIB_BASE_BAND; - break; - default: - IWL_ERR(priv, "Unknown calibration notification %d\n", - hdr->op_code); - return -1; - } - iwl_calib_set(&priv->calib_results[index], pkt->u.raw, len); + if (iwl_calib_set(priv, hdr, len)) + IWL_ERR(priv, "Failed to record calibration data %d\n", + hdr->op_code); + return 0; } @@ -406,9 +451,11 @@ static int iwlagn_alive_notify(struct iwl_priv *priv) if (ret) return ret; - ret = iwlagn_set_Xtal_calib(priv); - if (ret) - return ret; + if (!priv->cfg->no_xtal_calib) { + ret = iwlagn_set_Xtal_calib(priv); + if (ret) + return ret; + } return iwl_send_calib_results(priv); } @@ -419,7 +466,7 @@ static int iwlagn_alive_notify(struct iwl_priv *priv) * using sample data 100 bytes apart. If these sample points are good, * it's a pretty good bet that everything between them is good, too. */ -static int iwl_verify_inst_sparse(struct iwl_priv *priv, +static int iwl_verify_inst_sparse(struct iwl_bus *bus, struct fw_desc *fw_desc) { __le32 *image = (__le32 *)fw_desc->v_addr; @@ -427,15 +474,15 @@ static int iwl_verify_inst_sparse(struct iwl_priv *priv, u32 val; u32 i; - IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len); + IWL_DEBUG_FW(bus, "ucode inst image size is %u\n", len); for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) { /* read data comes through single port, auto-incr addr */ /* NOTE: Use the debugless read so we don't flood kernel log * if IWL_DL_IO is set */ - iwl_write_direct32(bus(priv), HBUS_TARG_MEM_RADDR, + iwl_write_direct32(bus, HBUS_TARG_MEM_RADDR, i + IWLAGN_RTC_INST_LOWER_BOUND); - val = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); + val = iwl_read32(bus, HBUS_TARG_MEM_RDAT); if (val != le32_to_cpu(*image)) return -EIO; } @@ -443,7 +490,7 @@ static int iwl_verify_inst_sparse(struct iwl_priv *priv, return 0; } -static void iwl_print_mismatch_inst(struct iwl_priv *priv, +static void iwl_print_mismatch_inst(struct iwl_bus *bus, struct fw_desc *fw_desc) { __le32 *image = (__le32 *)fw_desc->v_addr; @@ -452,18 +499,18 @@ static void iwl_print_mismatch_inst(struct iwl_priv *priv, u32 offs; int errors = 0; - IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len); + IWL_DEBUG_FW(bus, "ucode inst image size is %u\n", len); - iwl_write_direct32(bus(priv), HBUS_TARG_MEM_RADDR, + iwl_write_direct32(bus, HBUS_TARG_MEM_RADDR, IWLAGN_RTC_INST_LOWER_BOUND); for (offs = 0; offs < len && errors < 20; offs += sizeof(u32), image++) { /* read data comes through single port, auto-incr addr */ - val = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); + val = iwl_read32(bus, HBUS_TARG_MEM_RDAT); if (val != le32_to_cpu(*image)) { - IWL_ERR(priv, "uCode INST section at " + IWL_ERR(bus, "uCode INST section at " "offset 0x%x, is 0x%x, s/b 0x%x\n", offs, val, le32_to_cpu(*image)); errors++; @@ -475,16 +522,24 @@ static void iwl_print_mismatch_inst(struct iwl_priv *priv, * iwl_verify_ucode - determine which instruction image is in SRAM, * and verify its contents */ -static int iwl_verify_ucode(struct iwl_priv *priv, struct fw_img *img) +static int iwl_verify_ucode(struct iwl_trans *trans, + enum iwl_ucode_type ucode_type) { - if (!iwl_verify_inst_sparse(priv, &img->code)) { - IWL_DEBUG_FW(priv, "uCode is good in inst SRAM\n"); + struct fw_img *img = iwl_get_ucode_image(trans, ucode_type); + + if (!img) { + IWL_ERR(trans, "Invalid ucode requested (%d)\n", ucode_type); + return -EINVAL; + } + + if (!iwl_verify_inst_sparse(bus(trans), &img->code)) { + IWL_DEBUG_FW(trans, "uCode is good in inst SRAM\n"); return 0; } - IWL_ERR(priv, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n"); + IWL_ERR(trans, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n"); - iwl_print_mismatch_inst(priv, &img->code); + iwl_print_mismatch_inst(bus(trans), &img->code); return -EIO; } @@ -520,13 +575,12 @@ static void iwlagn_alive_fn(struct iwl_priv *priv, #define UCODE_CALIB_TIMEOUT (2*HZ) int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, - struct fw_img *image, - enum iwlagn_ucode_type ucode_type) + enum iwl_ucode_type ucode_type) { struct iwl_notification_wait alive_wait; struct iwlagn_alive_data alive_data; int ret; - enum iwlagn_ucode_type old_type; + enum iwl_ucode_type old_type; ret = iwl_trans_start_device(trans(priv)); if (ret) @@ -538,7 +592,7 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, old_type = priv->ucode_type; priv->ucode_type = ucode_type; - ret = iwlagn_load_given_ucode(priv, image); + ret = iwlagn_load_given_ucode(trans(priv), ucode_type); if (ret) { priv->ucode_type = old_type; iwlagn_remove_notification(priv, &alive_wait); @@ -569,7 +623,7 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, * skip it for WoWLAN. */ if (ucode_type != IWL_UCODE_WOWLAN) { - ret = iwl_verify_ucode(priv, image); + ret = iwl_verify_ucode(trans(priv), ucode_type); if (ret) { priv->ucode_type = old_type; return ret; @@ -598,7 +652,7 @@ int iwlagn_run_init_ucode(struct iwl_priv *priv) lockdep_assert_held(&priv->shrd->mutex); /* No init ucode required? Curious, but maybe ok */ - if (!priv->ucode_init.code.len) + if (!trans(priv)->ucode_init.code.len) return 0; if (priv->ucode_type != IWL_UCODE_NONE) @@ -609,8 +663,7 @@ int iwlagn_run_init_ucode(struct iwl_priv *priv) NULL, NULL); /* Will also start the device */ - ret = iwlagn_load_ucode_wait_alive(priv, &priv->ucode_init, - IWL_UCODE_INIT); + ret = iwlagn_load_ucode_wait_alive(priv, IWL_UCODE_INIT); if (ret) goto error; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index d0fd6f063bf8..db0d3a84b1e4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -30,7 +30,6 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> -#include <linux/dma-mapping.h> #include <linux/delay.h> #include <linux/sched.h> #include <linux/skbuff.h> @@ -47,8 +46,6 @@ #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-io.h" -#include "iwl-helpers.h" -#include "iwl-sta.h" #include "iwl-agn-calib.h" #include "iwl-agn.h" #include "iwl-shared.h" @@ -454,52 +451,6 @@ static void iwl_bg_tx_flush(struct work_struct *work) iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); } -/****************************************************************************** - * - * uCode download functions - * - ******************************************************************************/ - -static void iwl_free_fw_desc(struct iwl_priv *priv, struct fw_desc *desc) -{ - if (desc->v_addr) - dma_free_coherent(priv->bus->dev, desc->len, - desc->v_addr, desc->p_addr); - desc->v_addr = NULL; - desc->len = 0; -} - -static void iwl_free_fw_img(struct iwl_priv *priv, struct fw_img *img) -{ - iwl_free_fw_desc(priv, &img->code); - iwl_free_fw_desc(priv, &img->data); -} - -static void iwl_dealloc_ucode(struct iwl_priv *priv) -{ - iwl_free_fw_img(priv, &priv->ucode_rt); - iwl_free_fw_img(priv, &priv->ucode_init); - iwl_free_fw_img(priv, &priv->ucode_wowlan); -} - -static int iwl_alloc_fw_desc(struct iwl_priv *priv, struct fw_desc *desc, - const void *data, size_t len) -{ - if (!len) { - desc->v_addr = NULL; - return -EINVAL; - } - - desc->v_addr = dma_alloc_coherent(priv->bus->dev, len, - &desc->p_addr, GFP_KERNEL); - if (!desc->v_addr) - return -ENOMEM; - - desc->len = len; - memcpy(desc->v_addr, data, len); - return 0; -} - static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) { int i; @@ -557,16 +508,7 @@ static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); } - -struct iwlagn_ucode_capabilities { - u32 max_probe_length; - u32 standard_phy_calibration_size; - u32 flags; -}; - static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context); -static int iwl_mac_setup_register(struct iwl_priv *priv, - struct iwlagn_ucode_capabilities *capa); #define UCODE_EXPERIMENTAL_INDEX 100 #define UCODE_EXPERIMENTAL_TAG "exp" @@ -602,7 +544,7 @@ static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first) priv->firmware_name); return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name, - priv->bus->dev, + bus(priv)->dev, GFP_KERNEL, priv, iwl_ucode_callback); } @@ -1042,30 +984,32 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) /* Runtime instructions and 2 copies of data: * 1) unmodified from disk * 2) backup cache for save/restore during power-downs */ - if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.code, + if (iwl_alloc_fw_desc(bus(priv), &trans(priv)->ucode_rt.code, pieces.inst, pieces.inst_size)) goto err_pci_alloc; - if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.data, + if (iwl_alloc_fw_desc(bus(priv), &trans(priv)->ucode_rt.data, pieces.data, pieces.data_size)) goto err_pci_alloc; /* Initialization instructions and data */ if (pieces.init_size && pieces.init_data_size) { - if (iwl_alloc_fw_desc(priv, &priv->ucode_init.code, + if (iwl_alloc_fw_desc(bus(priv), &trans(priv)->ucode_init.code, pieces.init, pieces.init_size)) goto err_pci_alloc; - if (iwl_alloc_fw_desc(priv, &priv->ucode_init.data, + if (iwl_alloc_fw_desc(bus(priv), &trans(priv)->ucode_init.data, pieces.init_data, pieces.init_data_size)) goto err_pci_alloc; } /* WoWLAN instructions and data */ if (pieces.wowlan_inst_size && pieces.wowlan_data_size) { - if (iwl_alloc_fw_desc(priv, &priv->ucode_wowlan.code, + if (iwl_alloc_fw_desc(bus(priv), + &trans(priv)->ucode_wowlan.code, pieces.wowlan_inst, pieces.wowlan_inst_size)) goto err_pci_alloc; - if (iwl_alloc_fw_desc(priv, &priv->ucode_wowlan.data, + if (iwl_alloc_fw_desc(bus(priv), + &trans(priv)->ucode_wowlan.data, pieces.wowlan_data, pieces.wowlan_data_size)) goto err_pci_alloc; @@ -1136,7 +1080,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) * * 9. Setup and register with mac80211 and debugfs **************************************************/ - err = iwl_mac_setup_register(priv, &ucode_capa); + err = iwlagn_mac_setup_register(priv, &ucode_capa); if (err) goto out_unbind; @@ -1158,10 +1102,10 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) err_pci_alloc: IWL_ERR(priv, "failed to allocate pci memory\n"); - iwl_dealloc_ucode(priv); + iwl_dealloc_ucode(trans(priv)); out_unbind: complete(&priv->firmware_loading_complete); - device_release_driver(priv->bus->dev); + device_release_driver(bus(priv)->dev); release_firmware(ucode_raw); } @@ -1222,7 +1166,7 @@ static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) }; memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd)); - calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL; + calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_RT_CFG_ALL; calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); return iwl_trans_send_cmd(trans(priv), &cmd); @@ -1354,7 +1298,7 @@ int iwl_alive_start(struct iwl_priv *priv) static void iwl_cancel_deferred_work(struct iwl_priv *priv); -static void __iwl_down(struct iwl_priv *priv) +void __iwl_down(struct iwl_priv *priv) { int exit_pending; @@ -1417,7 +1361,7 @@ static void __iwl_down(struct iwl_priv *priv) priv->beacon_skb = NULL; } -static void iwl_down(struct iwl_priv *priv) +void iwl_down(struct iwl_priv *priv) { mutex_lock(&priv->shrd->mutex); __iwl_down(priv); @@ -1426,57 +1370,6 @@ static void iwl_down(struct iwl_priv *priv) iwl_cancel_deferred_work(priv); } -#define MAX_HW_RESTARTS 5 - -static int __iwl_up(struct iwl_priv *priv) -{ - struct iwl_rxon_context *ctx; - int ret; - - lockdep_assert_held(&priv->shrd->mutex); - - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { - IWL_WARN(priv, "Exit pending; will not bring the NIC up\n"); - return -EIO; - } - - for_each_context(priv, ctx) { - ret = iwlagn_alloc_bcast_station(priv, ctx); - if (ret) { - iwl_dealloc_bcast_stations(priv); - return ret; - } - } - - ret = iwlagn_run_init_ucode(priv); - if (ret) { - IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret); - goto error; - } - - ret = iwlagn_load_ucode_wait_alive(priv, - &priv->ucode_rt, - IWL_UCODE_REGULAR); - if (ret) { - IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret); - goto error; - } - - ret = iwl_alive_start(priv); - if (ret) - goto error; - return 0; - - error: - set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); - __iwl_down(priv); - clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status); - - IWL_ERR(priv, "Unable to initialize device.\n"); - return ret; -} - - /***************************************************************************** * * Workqueue callbacks @@ -1504,7 +1397,7 @@ static void iwl_bg_run_time_calib_work(struct work_struct *work) mutex_unlock(&priv->shrd->mutex); } -static void iwlagn_prepare_restart(struct iwl_priv *priv) +void iwlagn_prepare_restart(struct iwl_priv *priv) { struct iwl_rxon_context *ctx; bool bt_full_concurrent; @@ -1561,1166 +1454,8 @@ static void iwl_bg_restart(struct work_struct *data) } } -/***************************************************************************** - * - * mac80211 entry point functions - * - *****************************************************************************/ - -static const struct ieee80211_iface_limit iwlagn_sta_ap_limits[] = { - { - .max = 1, - .types = BIT(NL80211_IFTYPE_STATION), - }, - { - .max = 1, - .types = BIT(NL80211_IFTYPE_AP), - }, -}; - -static const struct ieee80211_iface_limit iwlagn_2sta_limits[] = { - { - .max = 2, - .types = BIT(NL80211_IFTYPE_STATION), - }, -}; - -static const struct ieee80211_iface_limit iwlagn_p2p_sta_go_limits[] = { - { - .max = 1, - .types = BIT(NL80211_IFTYPE_STATION), - }, - { - .max = 1, - .types = BIT(NL80211_IFTYPE_P2P_GO) | - BIT(NL80211_IFTYPE_AP), - }, -}; - -static const struct ieee80211_iface_limit iwlagn_p2p_2sta_limits[] = { - { - .max = 2, - .types = BIT(NL80211_IFTYPE_STATION), - }, - { - .max = 1, - .types = BIT(NL80211_IFTYPE_P2P_CLIENT), - }, -}; - -static const struct ieee80211_iface_combination -iwlagn_iface_combinations_dualmode[] = { - { .num_different_channels = 1, - .max_interfaces = 2, - .beacon_int_infra_match = true, - .limits = iwlagn_sta_ap_limits, - .n_limits = ARRAY_SIZE(iwlagn_sta_ap_limits), - }, - { .num_different_channels = 1, - .max_interfaces = 2, - .limits = iwlagn_2sta_limits, - .n_limits = ARRAY_SIZE(iwlagn_2sta_limits), - }, -}; - -static const struct ieee80211_iface_combination -iwlagn_iface_combinations_p2p[] = { - { .num_different_channels = 1, - .max_interfaces = 2, - .beacon_int_infra_match = true, - .limits = iwlagn_p2p_sta_go_limits, - .n_limits = ARRAY_SIZE(iwlagn_p2p_sta_go_limits), - }, - { .num_different_channels = 1, - .max_interfaces = 2, - .limits = iwlagn_p2p_2sta_limits, - .n_limits = ARRAY_SIZE(iwlagn_p2p_2sta_limits), - }, -}; - -/* - * Not a mac80211 entry point function, but it fits in with all the - * other mac80211 functions grouped here. - */ -static int iwl_mac_setup_register(struct iwl_priv *priv, - struct iwlagn_ucode_capabilities *capa) -{ - int ret; - struct ieee80211_hw *hw = priv->hw; - struct iwl_rxon_context *ctx; - - hw->rate_control_algorithm = "iwl-agn-rs"; - - /* Tell mac80211 our characteristics */ - hw->flags = IEEE80211_HW_SIGNAL_DBM | - IEEE80211_HW_AMPDU_AGGREGATION | - IEEE80211_HW_NEED_DTIM_PERIOD | - IEEE80211_HW_SPECTRUM_MGMT | - IEEE80211_HW_REPORTS_TX_ACK_STATUS; - - /* - * Including the following line will crash some AP's. This - * workaround removes the stimulus which causes the crash until - * the AP software can be fixed. - hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF; - */ - - hw->flags |= IEEE80211_HW_SUPPORTS_PS | - IEEE80211_HW_SUPPORTS_DYNAMIC_PS; - - if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE) - hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS | - IEEE80211_HW_SUPPORTS_STATIC_SMPS; - - if (capa->flags & IWL_UCODE_TLV_FLAGS_MFP) - hw->flags |= IEEE80211_HW_MFP_CAPABLE; - - hw->sta_data_size = sizeof(struct iwl_station_priv); - hw->vif_data_size = sizeof(struct iwl_vif_priv); - - for_each_context(priv, ctx) { - hw->wiphy->interface_modes |= ctx->interface_modes; - hw->wiphy->interface_modes |= ctx->exclusive_interface_modes; - } - - BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); - - if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)) { - hw->wiphy->iface_combinations = iwlagn_iface_combinations_p2p; - hw->wiphy->n_iface_combinations = - ARRAY_SIZE(iwlagn_iface_combinations_p2p); - } else if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { - hw->wiphy->iface_combinations = iwlagn_iface_combinations_dualmode; - hw->wiphy->n_iface_combinations = - ARRAY_SIZE(iwlagn_iface_combinations_dualmode); - } - - hw->wiphy->max_remain_on_channel_duration = 1000; - - hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | - WIPHY_FLAG_DISABLE_BEACON_HINTS | - WIPHY_FLAG_IBSS_RSN; - - if (priv->ucode_wowlan.code.len && device_can_wakeup(priv->bus->dev)) { - hw->wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | - WIPHY_WOWLAN_DISCONNECT | - WIPHY_WOWLAN_EAP_IDENTITY_REQ | - WIPHY_WOWLAN_RFKILL_RELEASE; - if (!iwlagn_mod_params.sw_crypto) - hw->wiphy->wowlan.flags |= - WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | - WIPHY_WOWLAN_GTK_REKEY_FAILURE; - - hw->wiphy->wowlan.n_patterns = IWLAGN_WOWLAN_MAX_PATTERNS; - hw->wiphy->wowlan.pattern_min_len = - IWLAGN_WOWLAN_MIN_PATTERN_LEN; - hw->wiphy->wowlan.pattern_max_len = - IWLAGN_WOWLAN_MAX_PATTERN_LEN; - } - - if (iwlagn_mod_params.power_save) - hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; - else - hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; - - hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; - /* we create the 802.11 header and a zero-length SSID element */ - hw->wiphy->max_scan_ie_len = capa->max_probe_length - 24 - 2; - - /* Default value; 4 EDCA QOS priorities */ - hw->queues = 4; - - hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; - - if (priv->bands[IEEE80211_BAND_2GHZ].n_channels) - priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = - &priv->bands[IEEE80211_BAND_2GHZ]; - if (priv->bands[IEEE80211_BAND_5GHZ].n_channels) - priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = - &priv->bands[IEEE80211_BAND_5GHZ]; - - iwl_leds_init(priv); - - ret = ieee80211_register_hw(priv->hw); - if (ret) { - IWL_ERR(priv, "Failed to register hw (error %d)\n", ret); - return ret; - } - priv->mac80211_registered = 1; - - return 0; -} - - -static int iwlagn_mac_start(struct ieee80211_hw *hw) -{ - struct iwl_priv *priv = hw->priv; - int ret; - - IWL_DEBUG_MAC80211(priv, "enter\n"); - - /* we should be verifying the device is ready to be opened */ - mutex_lock(&priv->shrd->mutex); - ret = __iwl_up(priv); - mutex_unlock(&priv->shrd->mutex); - if (ret) - return ret; - - IWL_DEBUG_INFO(priv, "Start UP work done.\n"); - - /* Now we should be done, and the READY bit should be set. */ - if (WARN_ON(!test_bit(STATUS_READY, &priv->shrd->status))) - ret = -EIO; - - iwlagn_led_enable(priv); - - priv->is_open = 1; - IWL_DEBUG_MAC80211(priv, "leave\n"); - return 0; -} - -static void iwlagn_mac_stop(struct ieee80211_hw *hw) -{ - struct iwl_priv *priv = hw->priv; - - IWL_DEBUG_MAC80211(priv, "enter\n"); - - if (!priv->is_open) - return; - - priv->is_open = 0; - - iwl_down(priv); - - flush_workqueue(priv->shrd->workqueue); - - /* User space software may expect getting rfkill changes - * even if interface is down */ - iwl_write32(bus(priv), CSR_INT, 0xFFFFFFFF); - iwl_enable_rfkill_int(priv); - - IWL_DEBUG_MAC80211(priv, "leave\n"); -} - -#ifdef CONFIG_PM_SLEEP -static int iwlagn_send_patterns(struct iwl_priv *priv, - struct cfg80211_wowlan *wowlan) -{ - struct iwlagn_wowlan_patterns_cmd *pattern_cmd; - struct iwl_host_cmd cmd = { - .id = REPLY_WOWLAN_PATTERNS, - .dataflags[0] = IWL_HCMD_DFL_NOCOPY, - .flags = CMD_SYNC, - }; - int i, err; - - if (!wowlan->n_patterns) - return 0; - - cmd.len[0] = sizeof(*pattern_cmd) + - wowlan->n_patterns * sizeof(struct iwlagn_wowlan_pattern); - - pattern_cmd = kmalloc(cmd.len[0], GFP_KERNEL); - if (!pattern_cmd) - return -ENOMEM; - - pattern_cmd->n_patterns = cpu_to_le32(wowlan->n_patterns); - - for (i = 0; i < wowlan->n_patterns; i++) { - int mask_len = DIV_ROUND_UP(wowlan->patterns[i].pattern_len, 8); - - memcpy(&pattern_cmd->patterns[i].mask, - wowlan->patterns[i].mask, mask_len); - memcpy(&pattern_cmd->patterns[i].pattern, - wowlan->patterns[i].pattern, - wowlan->patterns[i].pattern_len); - pattern_cmd->patterns[i].mask_size = mask_len; - pattern_cmd->patterns[i].pattern_size = - wowlan->patterns[i].pattern_len; - } - - cmd.data[0] = pattern_cmd; - err = iwl_trans_send_cmd(trans(priv), &cmd); - kfree(pattern_cmd); - return err; -} -#endif - -static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct cfg80211_gtk_rekey_data *data) -{ - struct iwl_priv *priv = hw->priv; - - if (iwlagn_mod_params.sw_crypto) - return; - - mutex_lock(&priv->shrd->mutex); - - if (priv->contexts[IWL_RXON_CTX_BSS].vif != vif) - goto out; - - memcpy(priv->kek, data->kek, NL80211_KEK_LEN); - memcpy(priv->kck, data->kck, NL80211_KCK_LEN); - priv->replay_ctr = cpu_to_le64(be64_to_cpup((__be64 *)&data->replay_ctr)); - priv->have_rekey_data = true; - - out: - mutex_unlock(&priv->shrd->mutex); -} - -struct wowlan_key_data { - struct iwl_rxon_context *ctx; - struct iwlagn_wowlan_rsc_tsc_params_cmd *rsc_tsc; - struct iwlagn_wowlan_tkip_params_cmd *tkip; - const u8 *bssid; - bool error, use_rsc_tsc, use_tkip; -}; - -#ifdef CONFIG_PM_SLEEP -static void iwlagn_convert_p1k(u16 *p1k, __le16 *out) -{ - int i; - - for (i = 0; i < IWLAGN_P1K_SIZE; i++) - out[i] = cpu_to_le16(p1k[i]); -} - -static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_sta *sta, - struct ieee80211_key_conf *key, - void *_data) -{ - struct iwl_priv *priv = hw->priv; - struct wowlan_key_data *data = _data; - struct iwl_rxon_context *ctx = data->ctx; - struct aes_sc *aes_sc, *aes_tx_sc = NULL; - struct tkip_sc *tkip_sc, *tkip_tx_sc = NULL; - struct iwlagn_p1k_cache *rx_p1ks; - u8 *rx_mic_key; - struct ieee80211_key_seq seq; - u32 cur_rx_iv32 = 0; - u16 p1k[IWLAGN_P1K_SIZE]; - int ret, i; - - mutex_lock(&priv->shrd->mutex); - - if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || - key->cipher == WLAN_CIPHER_SUITE_WEP104) && - !sta && !ctx->key_mapping_keys) - ret = iwl_set_default_wep_key(priv, ctx, key); - else - ret = iwl_set_dynamic_key(priv, ctx, key, sta); - - if (ret) { - IWL_ERR(priv, "Error setting key during suspend!\n"); - data->error = true; - } - - switch (key->cipher) { - case WLAN_CIPHER_SUITE_TKIP: - if (sta) { - tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.unicast_rsc; - tkip_tx_sc = &data->rsc_tsc->all_tsc_rsc.tkip.tsc; - - rx_p1ks = data->tkip->rx_uni; - - ieee80211_get_key_tx_seq(key, &seq); - tkip_tx_sc->iv16 = cpu_to_le16(seq.tkip.iv16); - tkip_tx_sc->iv32 = cpu_to_le32(seq.tkip.iv32); - - ieee80211_get_tkip_p1k_iv(key, seq.tkip.iv32, p1k); - iwlagn_convert_p1k(p1k, data->tkip->tx.p1k); - - memcpy(data->tkip->mic_keys.tx, - &key->key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY], - IWLAGN_MIC_KEY_SIZE); - - rx_mic_key = data->tkip->mic_keys.rx_unicast; - } else { - tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.multicast_rsc; - rx_p1ks = data->tkip->rx_multi; - rx_mic_key = data->tkip->mic_keys.rx_mcast; - } - - /* - * For non-QoS this relies on the fact that both the uCode and - * mac80211 use TID 0 (as they need to to avoid replay attacks) - * for checking the IV in the frames. - */ - for (i = 0; i < IWLAGN_NUM_RSC; i++) { - ieee80211_get_key_rx_seq(key, i, &seq); - tkip_sc[i].iv16 = cpu_to_le16(seq.tkip.iv16); - tkip_sc[i].iv32 = cpu_to_le32(seq.tkip.iv32); - /* wrapping isn't allowed, AP must rekey */ - if (seq.tkip.iv32 > cur_rx_iv32) - cur_rx_iv32 = seq.tkip.iv32; - } - - ieee80211_get_tkip_rx_p1k(key, data->bssid, cur_rx_iv32, p1k); - iwlagn_convert_p1k(p1k, rx_p1ks[0].p1k); - ieee80211_get_tkip_rx_p1k(key, data->bssid, - cur_rx_iv32 + 1, p1k); - iwlagn_convert_p1k(p1k, rx_p1ks[1].p1k); - - memcpy(rx_mic_key, - &key->key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY], - IWLAGN_MIC_KEY_SIZE); - - data->use_tkip = true; - data->use_rsc_tsc = true; - break; - case WLAN_CIPHER_SUITE_CCMP: - if (sta) { - u8 *pn = seq.ccmp.pn; - - aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc; - aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc; - - ieee80211_get_key_tx_seq(key, &seq); - aes_tx_sc->pn = cpu_to_le64( - (u64)pn[5] | - ((u64)pn[4] << 8) | - ((u64)pn[3] << 16) | - ((u64)pn[2] << 24) | - ((u64)pn[1] << 32) | - ((u64)pn[0] << 40)); - } else - aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc; - - /* - * For non-QoS this relies on the fact that both the uCode and - * mac80211 use TID 0 for checking the IV in the frames. - */ - for (i = 0; i < IWLAGN_NUM_RSC; i++) { - u8 *pn = seq.ccmp.pn; - - ieee80211_get_key_rx_seq(key, i, &seq); - aes_sc->pn = cpu_to_le64( - (u64)pn[5] | - ((u64)pn[4] << 8) | - ((u64)pn[3] << 16) | - ((u64)pn[2] << 24) | - ((u64)pn[1] << 32) | - ((u64)pn[0] << 40)); - } - data->use_rsc_tsc = true; - break; - } - - mutex_unlock(&priv->shrd->mutex); -} - -static int iwlagn_mac_suspend(struct ieee80211_hw *hw, - struct cfg80211_wowlan *wowlan) -{ - struct iwl_priv *priv = hw->priv; - struct iwlagn_wowlan_wakeup_filter_cmd wakeup_filter_cmd; - struct iwl_rxon_cmd rxon; - struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; - struct iwlagn_wowlan_kek_kck_material_cmd kek_kck_cmd; - struct iwlagn_wowlan_tkip_params_cmd tkip_cmd = {}; - struct wowlan_key_data key_data = { - .ctx = ctx, - .bssid = ctx->active.bssid_addr, - .use_rsc_tsc = false, - .tkip = &tkip_cmd, - .use_tkip = false, - }; - int ret, i; - u16 seq; - - if (WARN_ON(!wowlan)) - return -EINVAL; - - mutex_lock(&priv->shrd->mutex); - - /* Don't attempt WoWLAN when not associated, tear down instead. */ - if (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION || - !iwl_is_associated_ctx(ctx)) { - ret = 1; - goto out; - } - - key_data.rsc_tsc = kzalloc(sizeof(*key_data.rsc_tsc), GFP_KERNEL); - if (!key_data.rsc_tsc) { - ret = -ENOMEM; - goto out; - } - - memset(&wakeup_filter_cmd, 0, sizeof(wakeup_filter_cmd)); - - /* - * We know the last used seqno, and the uCode expects to know that - * one, it will increment before TX. - */ - seq = le16_to_cpu(priv->last_seq_ctl) & IEEE80211_SCTL_SEQ; - wakeup_filter_cmd.non_qos_seq = cpu_to_le16(seq); - - /* - * For QoS counters, we store the one to use next, so subtract 0x10 - * since the uCode will add 0x10 before using the value. - */ - for (i = 0; i < 8; i++) { - seq = priv->shrd->tid_data[IWL_AP_ID][i].seq_number; - seq -= 0x10; - wakeup_filter_cmd.qos_seq[i] = cpu_to_le16(seq); - } - - if (wowlan->disconnect) - wakeup_filter_cmd.enabled |= - cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_BEACON_MISS | - IWLAGN_WOWLAN_WAKEUP_LINK_CHANGE); - if (wowlan->magic_pkt) - wakeup_filter_cmd.enabled |= - cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_MAGIC_PACKET); - if (wowlan->gtk_rekey_failure) - wakeup_filter_cmd.enabled |= - cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_GTK_REKEY_FAIL); - if (wowlan->eap_identity_req) - wakeup_filter_cmd.enabled |= - cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_EAP_IDENT_REQ); - if (wowlan->four_way_handshake) - wakeup_filter_cmd.enabled |= - cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_4WAY_HANDSHAKE); - if (wowlan->rfkill_release) - wakeup_filter_cmd.enabled |= - cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_RFKILL); - if (wowlan->n_patterns) - wakeup_filter_cmd.enabled |= - cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_PATTERN_MATCH); - - iwl_scan_cancel_timeout(priv, 200); - - memcpy(&rxon, &ctx->active, sizeof(rxon)); - - iwl_trans_stop_device(trans(priv)); - - priv->shrd->wowlan = true; - - ret = iwlagn_load_ucode_wait_alive(priv, &priv->ucode_wowlan, - IWL_UCODE_WOWLAN); - if (ret) - goto error; - - /* now configure WoWLAN ucode */ - ret = iwl_alive_start(priv); - if (ret) - goto error; - - memcpy(&ctx->staging, &rxon, sizeof(rxon)); - ret = iwlagn_commit_rxon(priv, ctx); - if (ret) - goto error; - - ret = iwl_power_update_mode(priv, true); - if (ret) - goto error; - - if (!iwlagn_mod_params.sw_crypto) { - /* mark all keys clear */ - priv->ucode_key_table = 0; - ctx->key_mapping_keys = 0; - - /* - * This needs to be unlocked due to lock ordering - * constraints. Since we're in the suspend path - * that isn't really a problem though. - */ - mutex_unlock(&priv->shrd->mutex); - ieee80211_iter_keys(priv->hw, ctx->vif, - iwlagn_wowlan_program_keys, - &key_data); - mutex_lock(&priv->shrd->mutex); - if (key_data.error) { - ret = -EIO; - goto error; - } - - if (key_data.use_rsc_tsc) { - struct iwl_host_cmd rsc_tsc_cmd = { - .id = REPLY_WOWLAN_TSC_RSC_PARAMS, - .flags = CMD_SYNC, - .data[0] = key_data.rsc_tsc, - .dataflags[0] = IWL_HCMD_DFL_NOCOPY, - .len[0] = sizeof(*key_data.rsc_tsc), - }; - - ret = iwl_trans_send_cmd(trans(priv), &rsc_tsc_cmd); - if (ret) - goto error; - } - - if (key_data.use_tkip) { - ret = iwl_trans_send_cmd_pdu(trans(priv), - REPLY_WOWLAN_TKIP_PARAMS, - CMD_SYNC, sizeof(tkip_cmd), - &tkip_cmd); - if (ret) - goto error; - } - - if (priv->have_rekey_data) { - memset(&kek_kck_cmd, 0, sizeof(kek_kck_cmd)); - memcpy(kek_kck_cmd.kck, priv->kck, NL80211_KCK_LEN); - kek_kck_cmd.kck_len = cpu_to_le16(NL80211_KCK_LEN); - memcpy(kek_kck_cmd.kek, priv->kek, NL80211_KEK_LEN); - kek_kck_cmd.kek_len = cpu_to_le16(NL80211_KEK_LEN); - kek_kck_cmd.replay_ctr = priv->replay_ctr; - - ret = iwl_trans_send_cmd_pdu(trans(priv), - REPLY_WOWLAN_KEK_KCK_MATERIAL, - CMD_SYNC, sizeof(kek_kck_cmd), - &kek_kck_cmd); - if (ret) - goto error; - } - } - - ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WOWLAN_WAKEUP_FILTER, - CMD_SYNC, sizeof(wakeup_filter_cmd), - &wakeup_filter_cmd); - if (ret) - goto error; - - ret = iwlagn_send_patterns(priv, wowlan); - if (ret) - goto error; - - device_set_wakeup_enable(priv->bus->dev, true); - - /* Now let the ucode operate on its own */ - iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_SET, - CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); - - goto out; - - error: - priv->shrd->wowlan = false; - iwlagn_prepare_restart(priv); - ieee80211_restart_hw(priv->hw); - out: - mutex_unlock(&priv->shrd->mutex); - kfree(key_data.rsc_tsc); - return ret; -} - -static int iwlagn_mac_resume(struct ieee80211_hw *hw) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; - struct ieee80211_vif *vif; - unsigned long flags; - u32 base, status = 0xffffffff; - int ret = -EIO; - - mutex_lock(&priv->shrd->mutex); - - iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, - CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); - - base = priv->device_pointers.error_event_table; - if (iwlagn_hw_valid_rtc_data_addr(base)) { - spin_lock_irqsave(&bus(priv)->reg_lock, flags); - ret = iwl_grab_nic_access_silent(bus(priv)); - if (ret == 0) { - iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, base); - status = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); - iwl_release_nic_access(bus(priv)); - } - spin_unlock_irqrestore(&bus(priv)->reg_lock, flags); - -#ifdef CONFIG_IWLWIFI_DEBUGFS - if (ret == 0) { - if (!priv->wowlan_sram) - priv->wowlan_sram = - kzalloc(priv->ucode_wowlan.data.len, - GFP_KERNEL); - - if (priv->wowlan_sram) - _iwl_read_targ_mem_words( - bus(priv), 0x800000, priv->wowlan_sram, - priv->ucode_wowlan.data.len / 4); - } -#endif - } - - /* we'll clear ctx->vif during iwlagn_prepare_restart() */ - vif = ctx->vif; - - priv->shrd->wowlan = false; - - device_set_wakeup_enable(priv->bus->dev, false); - - iwlagn_prepare_restart(priv); - - memset((void *)&ctx->active, 0, sizeof(ctx->active)); - iwl_connection_init_rx_config(priv, ctx); - iwlagn_set_rxon_chain(priv, ctx); - - mutex_unlock(&priv->shrd->mutex); - - ieee80211_resume_disconnect(vif); - - return 1; -} -#endif - -static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) -{ - struct iwl_priv *priv = hw->priv; - - IWL_DEBUG_MACDUMP(priv, "enter\n"); - - IWL_DEBUG_TX(priv, "dev->xmit(%d bytes) at rate 0x%02x\n", skb->len, - ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate); - - if (iwlagn_tx_skb(priv, skb)) - dev_kfree_skb_any(skb); - - IWL_DEBUG_MACDUMP(priv, "leave\n"); -} - -static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_key_conf *keyconf, - struct ieee80211_sta *sta, - u32 iv32, u16 *phase1key) -{ - struct iwl_priv *priv = hw->priv; - - iwl_update_tkip_key(priv, vif, keyconf, sta, iv32, phase1key); -} - -static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, - struct ieee80211_vif *vif, - struct ieee80211_sta *sta, - struct ieee80211_key_conf *key) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; - struct iwl_rxon_context *ctx = vif_priv->ctx; - int ret; - bool is_default_wep_key = false; - - IWL_DEBUG_MAC80211(priv, "enter\n"); - - if (iwlagn_mod_params.sw_crypto) { - IWL_DEBUG_MAC80211(priv, "leave - hwcrypto disabled\n"); - return -EOPNOTSUPP; - } - - /* - * We could program these keys into the hardware as well, but we - * don't expect much multicast traffic in IBSS and having keys - * for more stations is probably more useful. - * - * Mark key TX-only and return 0. - */ - if (vif->type == NL80211_IFTYPE_ADHOC && - !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) { - key->hw_key_idx = WEP_INVALID_OFFSET; - return 0; - } - - /* If they key was TX-only, accept deletion */ - if (cmd == DISABLE_KEY && key->hw_key_idx == WEP_INVALID_OFFSET) - return 0; - - mutex_lock(&priv->shrd->mutex); - iwl_scan_cancel_timeout(priv, 100); - - BUILD_BUG_ON(WEP_INVALID_OFFSET == IWLAGN_HW_KEY_DEFAULT); - - /* - * If we are getting WEP group key and we didn't receive any key mapping - * so far, we are in legacy wep mode (group key only), otherwise we are - * in 1X mode. - * In legacy wep mode, we use another host command to the uCode. - */ - if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || - key->cipher == WLAN_CIPHER_SUITE_WEP104) && !sta) { - if (cmd == SET_KEY) - is_default_wep_key = !ctx->key_mapping_keys; - else - is_default_wep_key = - key->hw_key_idx == IWLAGN_HW_KEY_DEFAULT; - } - - - switch (cmd) { - case SET_KEY: - if (is_default_wep_key) { - ret = iwl_set_default_wep_key(priv, vif_priv->ctx, key); - break; - } - ret = iwl_set_dynamic_key(priv, vif_priv->ctx, key, sta); - if (ret) { - /* - * can't add key for RX, but we don't need it - * in the device for TX so still return 0 - */ - ret = 0; - key->hw_key_idx = WEP_INVALID_OFFSET; - } - - IWL_DEBUG_MAC80211(priv, "enable hwcrypto key\n"); - break; - case DISABLE_KEY: - if (is_default_wep_key) - ret = iwl_remove_default_wep_key(priv, ctx, key); - else - ret = iwl_remove_dynamic_key(priv, ctx, key, sta); - - IWL_DEBUG_MAC80211(priv, "disable hwcrypto key\n"); - break; - default: - ret = -EINVAL; - } - - mutex_unlock(&priv->shrd->mutex); - IWL_DEBUG_MAC80211(priv, "leave\n"); - - return ret; -} - -static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - enum ieee80211_ampdu_mlme_action action, - struct ieee80211_sta *sta, u16 tid, u16 *ssn, - u8 buf_size) -{ - struct iwl_priv *priv = hw->priv; - int ret = -EINVAL; - struct iwl_station_priv *sta_priv = (void *) sta->drv_priv; - struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - - IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n", - sta->addr, tid); - - if (!(priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE)) - return -EACCES; - - mutex_lock(&priv->shrd->mutex); - - switch (action) { - case IEEE80211_AMPDU_RX_START: - IWL_DEBUG_HT(priv, "start Rx\n"); - ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn); - break; - case IEEE80211_AMPDU_RX_STOP: - IWL_DEBUG_HT(priv, "stop Rx\n"); - ret = iwl_sta_rx_agg_stop(priv, sta, tid); - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) - ret = 0; - break; - case IEEE80211_AMPDU_TX_START: - IWL_DEBUG_HT(priv, "start Tx\n"); - ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn); - if (ret == 0) { - priv->agg_tids_count++; - IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", - priv->agg_tids_count); - } - break; - case IEEE80211_AMPDU_TX_STOP: - IWL_DEBUG_HT(priv, "stop Tx\n"); - ret = iwlagn_tx_agg_stop(priv, vif, sta, tid); - if ((ret == 0) && (priv->agg_tids_count > 0)) { - priv->agg_tids_count--; - IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", - priv->agg_tids_count); - } - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) - ret = 0; - if (priv->cfg->ht_params && - priv->cfg->ht_params->use_rts_for_aggregation) { - /* - * switch off RTS/CTS if it was previously enabled - */ - sta_priv->lq_sta.lq.general_params.flags &= - ~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; - iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), - &sta_priv->lq_sta.lq, CMD_ASYNC, false); - } - break; - case IEEE80211_AMPDU_TX_OPERATIONAL: - buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF); - - iwl_trans_tx_agg_setup(trans(priv), ctx->ctxid, iwl_sta_id(sta), - tid, buf_size); - - /* - * If the limit is 0, then it wasn't initialised yet, - * use the default. We can do that since we take the - * minimum below, and we don't want to go above our - * default due to hardware restrictions. - */ - if (sta_priv->max_agg_bufsize == 0) - sta_priv->max_agg_bufsize = - LINK_QUAL_AGG_FRAME_LIMIT_DEF; - - /* - * Even though in theory the peer could have different - * aggregation reorder buffer sizes for different sessions, - * our ucode doesn't allow for that and has a global limit - * for each station. Therefore, use the minimum of all the - * aggregation sessions and our default value. - */ - sta_priv->max_agg_bufsize = - min(sta_priv->max_agg_bufsize, buf_size); - - if (priv->cfg->ht_params && - priv->cfg->ht_params->use_rts_for_aggregation) { - /* - * switch to RTS/CTS if it is the prefer protection - * method for HT traffic - */ - - sta_priv->lq_sta.lq.general_params.flags |= - LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; - } - - sta_priv->lq_sta.lq.agg_params.agg_frame_cnt_limit = - sta_priv->max_agg_bufsize; - - iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), - &sta_priv->lq_sta.lq, CMD_ASYNC, false); - - IWL_INFO(priv, "Tx aggregation enabled on ra = %pM tid = %d\n", - sta->addr, tid); - ret = 0; - break; - } - mutex_unlock(&priv->shrd->mutex); - - return ret; -} - -static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_sta *sta) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; - struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; - bool is_ap = vif->type == NL80211_IFTYPE_STATION; - int ret; - u8 sta_id; - - IWL_DEBUG_INFO(priv, "received request to add station %pM\n", - sta->addr); - mutex_lock(&priv->shrd->mutex); - IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n", - sta->addr); - sta_priv->sta_id = IWL_INVALID_STATION; - - atomic_set(&sta_priv->pending_frames, 0); - if (vif->type == NL80211_IFTYPE_AP) - sta_priv->client = true; - - ret = iwl_add_station_common(priv, vif_priv->ctx, sta->addr, - is_ap, sta, &sta_id); - if (ret) { - IWL_ERR(priv, "Unable to add station %pM (%d)\n", - sta->addr, ret); - /* Should we return success if return code is EEXIST ? */ - mutex_unlock(&priv->shrd->mutex); - return ret; - } - - sta_priv->sta_id = sta_id; - - /* Initialize rate scaling */ - IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n", - sta->addr); - iwl_rs_rate_init(priv, sta, sta_id); - mutex_unlock(&priv->shrd->mutex); - - return 0; -} - -static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, - struct ieee80211_channel_switch *ch_switch) -{ - struct iwl_priv *priv = hw->priv; - const struct iwl_channel_info *ch_info; - struct ieee80211_conf *conf = &hw->conf; - struct ieee80211_channel *channel = ch_switch->channel; - struct iwl_ht_config *ht_conf = &priv->current_ht_config; - /* - * MULTI-FIXME - * When we add support for multiple interfaces, we need to - * revisit this. The channel switch command in the device - * only affects the BSS context, but what does that really - * mean? And what if we get a CSA on the second interface? - * This needs a lot of work. - */ - struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; - u16 ch; - - IWL_DEBUG_MAC80211(priv, "enter\n"); - - mutex_lock(&priv->shrd->mutex); - - if (iwl_is_rfkill(priv->shrd)) - goto out; - - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) || - test_bit(STATUS_SCANNING, &priv->shrd->status) || - test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status)) - goto out; - - if (!iwl_is_associated_ctx(ctx)) - goto out; - - if (!priv->cfg->lib->set_channel_switch) - goto out; - - ch = channel->hw_value; - if (le16_to_cpu(ctx->active.channel) == ch) - goto out; - - ch_info = iwl_get_channel_info(priv, channel->band, ch); - if (!is_channel_valid(ch_info)) { - IWL_DEBUG_MAC80211(priv, "invalid channel\n"); - goto out; - } - - spin_lock_irq(&priv->shrd->lock); - - priv->current_ht_config.smps = conf->smps_mode; - - /* Configure HT40 channels */ - ctx->ht.enabled = conf_is_ht(conf); - if (ctx->ht.enabled) { - if (conf_is_ht40_minus(conf)) { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_BELOW; - ctx->ht.is_40mhz = true; - } else if (conf_is_ht40_plus(conf)) { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_ABOVE; - ctx->ht.is_40mhz = true; - } else { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_NONE; - ctx->ht.is_40mhz = false; - } - } else - ctx->ht.is_40mhz = false; - - if ((le16_to_cpu(ctx->staging.channel) != ch)) - ctx->staging.flags = 0; - - iwl_set_rxon_channel(priv, channel, ctx); - iwl_set_rxon_ht(priv, ht_conf); - iwl_set_flags_for_band(priv, ctx, channel->band, ctx->vif); - - spin_unlock_irq(&priv->shrd->lock); - - iwl_set_rate(priv); - /* - * at this point, staging_rxon has the - * configuration for channel switch - */ - set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); - priv->switch_channel = cpu_to_le16(ch); - if (priv->cfg->lib->set_channel_switch(priv, ch_switch)) { - clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); - priv->switch_channel = 0; - ieee80211_chswitch_done(ctx->vif, false); - } - -out: - mutex_unlock(&priv->shrd->mutex); - IWL_DEBUG_MAC80211(priv, "leave\n"); -} - -static void iwlagn_configure_filter(struct ieee80211_hw *hw, - unsigned int changed_flags, - unsigned int *total_flags, - u64 multicast) -{ - struct iwl_priv *priv = hw->priv; - __le32 filter_or = 0, filter_nand = 0; - struct iwl_rxon_context *ctx; - -#define CHK(test, flag) do { \ - if (*total_flags & (test)) \ - filter_or |= (flag); \ - else \ - filter_nand |= (flag); \ - } while (0) - IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n", - changed_flags, *total_flags); - CHK(FIF_OTHER_BSS | FIF_PROMISC_IN_BSS, RXON_FILTER_PROMISC_MSK); - /* Setting _just_ RXON_FILTER_CTL2HOST_MSK causes FH errors */ - CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK); - CHK(FIF_BCN_PRBRESP_PROMISC, RXON_FILTER_BCON_AWARE_MSK); - -#undef CHK - - mutex_lock(&priv->shrd->mutex); - - for_each_context(priv, ctx) { - ctx->staging.filter_flags &= ~filter_nand; - ctx->staging.filter_flags |= filter_or; - - /* - * Not committing directly because hardware can perform a scan, - * but we'll eventually commit the filter flags change anyway. - */ - } - - mutex_unlock(&priv->shrd->mutex); - - /* - * Receiving all multicast frames is always enabled by the - * default flags setup in iwl_connection_init_rx_config() - * since we currently do not support programming multicast - * filters into the device. - */ - *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | FIF_PROMISC_IN_BSS | - FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL; -} - -static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop) -{ - struct iwl_priv *priv = hw->priv; - - mutex_lock(&priv->shrd->mutex); - IWL_DEBUG_MAC80211(priv, "enter\n"); - - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { - IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n"); - goto done; - } - if (iwl_is_rfkill(priv->shrd)) { - IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n"); - goto done; - } - - /* - * mac80211 will not push any more frames for transmit - * until the flush is completed - */ - if (drop) { - IWL_DEBUG_MAC80211(priv, "send flush command\n"); - if (iwlagn_txfifo_flush(priv, IWL_DROP_ALL)) { - IWL_ERR(priv, "flush request fail\n"); - goto done; - } - } - IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n"); - iwl_trans_wait_tx_queue_empty(trans(priv)); -done: - mutex_unlock(&priv->shrd->mutex); - IWL_DEBUG_MAC80211(priv, "leave\n"); -} void iwlagn_disable_roc(struct iwl_priv *priv) { @@ -2754,149 +1489,6 @@ static void iwlagn_disable_roc_work(struct work_struct *work) mutex_unlock(&priv->shrd->mutex); } -static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw, - struct ieee80211_channel *channel, - enum nl80211_channel_type channel_type, - int duration) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; - int err = 0; - - if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN))) - return -EOPNOTSUPP; - - if (!(ctx->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT))) - return -EOPNOTSUPP; - - mutex_lock(&priv->shrd->mutex); - - if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { - err = -EBUSY; - goto out; - } - - priv->hw_roc_channel = channel; - priv->hw_roc_chantype = channel_type; - priv->hw_roc_duration = duration; - priv->hw_roc_start_notified = false; - cancel_delayed_work(&priv->hw_roc_disable_work); - - if (!ctx->is_active) { - ctx->is_active = true; - ctx->staging.dev_type = RXON_DEV_TYPE_P2P; - memcpy(ctx->staging.node_addr, - priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr, - ETH_ALEN); - memcpy(ctx->staging.bssid_addr, - priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr, - ETH_ALEN); - err = iwlagn_commit_rxon(priv, ctx); - if (err) - goto out; - ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK | - RXON_FILTER_PROMISC_MSK | - RXON_FILTER_CTL2HOST_MSK; - - err = iwlagn_commit_rxon(priv, ctx); - if (err) { - iwlagn_disable_roc(priv); - goto out; - } - priv->hw_roc_setup = true; - } - - err = iwl_scan_initiate(priv, ctx->vif, IWL_SCAN_ROC, channel->band); - if (err) - iwlagn_disable_roc(priv); - - out: - mutex_unlock(&priv->shrd->mutex); - - return err; -} - -static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw) -{ - struct iwl_priv *priv = hw->priv; - - if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN))) - return -EOPNOTSUPP; - - mutex_lock(&priv->shrd->mutex); - iwl_scan_cancel_timeout(priv, priv->hw_roc_duration); - iwlagn_disable_roc(priv); - mutex_unlock(&priv->shrd->mutex); - - return 0; -} - -static int iwl_mac_tx_sync(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - const u8 *bssid, enum ieee80211_tx_sync_type type) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; - struct iwl_rxon_context *ctx = vif_priv->ctx; - int ret; - u8 sta_id; - - mutex_lock(&priv->shrd->mutex); - - if (iwl_is_associated_ctx(ctx)) { - ret = 0; - goto out; - } - - if (ctx->preauth_bssid || test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { - ret = -EBUSY; - goto out; - } - - ret = iwl_add_station_common(priv, ctx, bssid, true, NULL, &sta_id); - if (ret) - goto out; - - if (WARN_ON(sta_id != ctx->ap_sta_id)) { - ret = -EIO; - goto out_remove_sta; - } - - memcpy(ctx->bssid, bssid, ETH_ALEN); - ctx->preauth_bssid = true; - - ret = iwlagn_commit_rxon(priv, ctx); - - if (ret == 0) - goto out; - - out_remove_sta: - iwl_remove_station(priv, sta_id, bssid); - out: - mutex_unlock(&priv->shrd->mutex); - return ret; -} - -static void iwl_mac_finish_tx_sync(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - const u8 *bssid, - enum ieee80211_tx_sync_type type) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; - struct iwl_rxon_context *ctx = vif_priv->ctx; - - mutex_lock(&priv->shrd->mutex); - - if (iwl_is_associated_ctx(ctx)) - goto out; - - iwl_remove_station(priv, ctx->ap_sta_id, bssid); - ctx->preauth_bssid = false; - /* no need to commit */ - out: - mutex_unlock(&priv->shrd->mutex); -} - /***************************************************************************** * * driver setup and teardown @@ -2983,6 +1575,8 @@ static int iwl_init_drv(struct iwl_priv *priv) mutex_init(&priv->shrd->mutex); + INIT_LIST_HEAD(&priv->calib_results); + priv->ieee_channels = NULL; priv->ieee_rates = NULL; priv->band = IEEE80211_BAND_2GHZ; @@ -3046,68 +1640,13 @@ static void iwl_uninit_drv(struct iwl_priv *priv) kmem_cache_destroy(priv->tx_cmd_pool); kfree(priv->scan_cmd); kfree(priv->beacon_cmd); + kfree(rcu_dereference_raw(priv->noa_data)); #ifdef CONFIG_IWLWIFI_DEBUGFS kfree(priv->wowlan_sram); #endif } -static void iwl_mac_rssi_callback(struct ieee80211_hw *hw, - enum ieee80211_rssi_event rssi_event) -{ - struct iwl_priv *priv = hw->priv; - - mutex_lock(&priv->shrd->mutex); - if (priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist) { - if (rssi_event == RSSI_EVENT_LOW) - priv->bt_enable_pspoll = true; - else if (rssi_event == RSSI_EVENT_HIGH) - priv->bt_enable_pspoll = false; - - iwlagn_send_advance_bt_config(priv); - } else { - IWL_DEBUG_MAC80211(priv, "Advanced BT coex disabled," - "ignoring RSSI callback\n"); - } - - mutex_unlock(&priv->shrd->mutex); -} - -struct ieee80211_ops iwlagn_hw_ops = { - .tx = iwlagn_mac_tx, - .start = iwlagn_mac_start, - .stop = iwlagn_mac_stop, -#ifdef CONFIG_PM_SLEEP - .suspend = iwlagn_mac_suspend, - .resume = iwlagn_mac_resume, -#endif - .add_interface = iwl_mac_add_interface, - .remove_interface = iwl_mac_remove_interface, - .change_interface = iwl_mac_change_interface, - .config = iwlagn_mac_config, - .configure_filter = iwlagn_configure_filter, - .set_key = iwlagn_mac_set_key, - .update_tkip_key = iwlagn_mac_update_tkip_key, - .set_rekey_data = iwlagn_mac_set_rekey_data, - .conf_tx = iwl_mac_conf_tx, - .bss_info_changed = iwlagn_bss_info_changed, - .ampdu_action = iwlagn_mac_ampdu_action, - .hw_scan = iwl_mac_hw_scan, - .sta_notify = iwlagn_mac_sta_notify, - .sta_add = iwlagn_mac_sta_add, - .sta_remove = iwl_mac_sta_remove, - .channel_switch = iwlagn_mac_channel_switch, - .flush = iwlagn_mac_flush, - .tx_last_beacon = iwl_mac_tx_last_beacon, - .remain_on_channel = iwl_mac_remain_on_channel, - .cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel, - .rssi_callback = iwl_mac_rssi_callback, - CFG80211_TESTMODE_CMD(iwl_testmode_cmd) - CFG80211_TESTMODE_DUMP(iwl_testmode_dump) - .tx_sync = iwl_mac_tx_sync, - .finish_tx_sync = iwl_mac_finish_tx_sync, -}; static u32 iwl_hw_detect(struct iwl_priv *priv) { @@ -3141,26 +1680,35 @@ static int iwl_set_hw_params(struct iwl_priv *priv) return priv->cfg->lib->set_hw_params(priv); } -/* This function both allocates and initializes hw and priv. */ -static struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg) -{ - struct iwl_priv *priv; - /* mac80211 allocates memory for this device instance, including - * space for this driver's private structure */ - struct ieee80211_hw *hw; - hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), &iwlagn_hw_ops); - if (hw == NULL) { - pr_err("%s: Can not allocate network device\n", - cfg->name); - goto out; - } - priv = hw->priv; - priv->hw = hw; +static void iwl_debug_config(struct iwl_priv *priv) +{ + dev_printk(KERN_INFO, bus(priv)->dev, "CONFIG_IWLWIFI_DEBUG " +#ifdef CONFIG_IWLWIFI_DEBUG + "enabled\n"); +#else + "disabled\n"); +#endif + dev_printk(KERN_INFO, bus(priv)->dev, "CONFIG_IWLWIFI_DEBUGFS " +#ifdef CONFIG_IWLWIFI_DEBUGFS + "enabled\n"); +#else + "disabled\n"); +#endif + dev_printk(KERN_INFO, bus(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TRACING " +#ifdef CONFIG_IWLWIFI_DEVICE_TRACING + "enabled\n"); +#else + "disabled\n"); +#endif -out: - return hw; + dev_printk(KERN_INFO, bus(priv)->dev, "CONFIG_IWLWIFI_DEVICE_SVTOOL " +#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL + "enabled\n"); +#else + "disabled\n"); +#endif } int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, @@ -3175,14 +1723,14 @@ int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, /************************ * 1. Allocating HW data ************************/ - hw = iwl_alloc_all(cfg); + hw = iwl_alloc_all(); if (!hw) { + pr_err("%s: Cannot allocate network device\n", cfg->name); err = -ENOMEM; goto out; } priv = hw->priv; - priv->bus = bus; priv->shrd = &priv->_shrd; bus->shrd = priv->shrd; priv->shrd->bus = bus; @@ -3196,7 +1744,10 @@ int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, /* At this point both hw and priv are allocated. */ - SET_IEEE80211_DEV(hw, priv->bus->dev); + SET_IEEE80211_DEV(hw, bus(priv)->dev); + + /* what debugging capabilities we have */ + iwl_debug_config(priv); IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); priv->cfg = cfg; @@ -3350,7 +1901,7 @@ void __devexit iwl_remove(struct iwl_priv * priv) iwl_dbgfs_unregister(priv); - /* ieee80211_unregister_hw call wil cause iwl_mac_stop to + /* ieee80211_unregister_hw call wil cause iwlagn_mac_stop to * to be called and iwl_down since we are removing the device * we need to set STATUS_EXIT_PENDING bit. */ @@ -3369,14 +1920,14 @@ void __devexit iwl_remove(struct iwl_priv * priv) /*This will stop the queues, move the device to low power state */ iwl_trans_stop_device(trans(priv)); - iwl_dealloc_ucode(priv); + iwl_dealloc_ucode(trans(priv)); iwl_eeprom_free(priv); /*netif_stop_queue(dev); */ flush_workqueue(priv->shrd->workqueue); - /* ieee80211_unregister_hw calls iwl_mac_stop, which flushes + /* ieee80211_unregister_hw calls iwlagn_mac_stop, which flushes * priv->shrd->workqueue... so we can't take down the workqueue * until now... */ destroy_workqueue(priv->shrd->workqueue); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h index 2a297d1e6bc7..5d8d2f445923 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn.h @@ -65,6 +65,12 @@ #include "iwl-dev.h" +struct iwlagn_ucode_capabilities { + u32 max_probe_length; + u32 standard_phy_calibration_size; + u32 flags; +}; + extern struct ieee80211_ops iwlagn_hw_ops; int iwl_reset_ict(struct iwl_trans *trans); @@ -77,6 +83,15 @@ static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd) hdr->data_valid = 1; } +void __iwl_down(struct iwl_priv *priv); +void iwl_down(struct iwl_priv *priv); +void iwlagn_prepare_restart(struct iwl_priv *priv); + +/* MAC80211 */ +struct ieee80211_hw *iwl_alloc_all(void); +int iwlagn_mac_setup_register(struct iwl_priv *priv, + struct iwlagn_ucode_capabilities *capa); + /* RXON */ int iwlagn_set_pan_params(struct iwl_priv *priv); int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx); @@ -95,8 +110,7 @@ int iwlagn_send_bt_env(struct iwl_priv *priv, u8 action, u8 type); void iwlagn_send_prio_tbl(struct iwl_priv *priv); int iwlagn_run_init_ucode(struct iwl_priv *priv); int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, - struct fw_img *image, - enum iwlagn_ucode_type ucode_type); + enum iwl_ucode_type ucode_type); /* lib */ int iwlagn_send_tx_power(struct iwl_priv *priv); @@ -105,6 +119,12 @@ u16 iwlagn_eeprom_calib_version(struct iwl_priv *priv); int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control); void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control); int iwlagn_send_beacon_cmd(struct iwl_priv *priv); +#ifdef CONFIG_PM_SLEEP +int iwlagn_send_patterns(struct iwl_priv *priv, + struct cfg80211_wowlan *wowlan); +int iwlagn_suspend(struct iwl_priv *priv, + struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan); +#endif /* rx */ int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band); @@ -152,10 +172,6 @@ u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid); void iwlagn_post_scan(struct iwl_priv *priv); void iwlagn_disable_roc(struct iwl_priv *priv); -/* station mgmt */ -int iwlagn_manage_ibss_station(struct iwl_priv *priv, - struct ieee80211_vif *vif, bool add); - /* bt coex */ void iwlagn_send_advance_bt_config(struct iwl_priv *priv); int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, @@ -175,7 +191,117 @@ static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; } #endif + /* station management */ +int iwlagn_manage_ibss_station(struct iwl_priv *priv, + struct ieee80211_vif *vif, bool add); +#define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */ +#define IWL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */ +#define IWL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of + being activated */ +#define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211; + (this is for the IBSS BSSID stations) */ +#define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */ + + +void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx); +void iwl_clear_ucode_stations(struct iwl_priv *priv, + struct iwl_rxon_context *ctx); +void iwl_dealloc_bcast_stations(struct iwl_priv *priv); +int iwl_get_free_ucode_key_offset(struct iwl_priv *priv); +int iwl_send_add_sta(struct iwl_priv *priv, + struct iwl_addsta_cmd *sta, u8 flags); +int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, + const u8 *addr, bool is_ap, + struct ieee80211_sta *sta, u8 *sta_id_r); +int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, + const u8 *addr); +u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, + const u8 *addr, bool is_ap, struct ieee80211_sta *sta); + +void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, + u8 sta_id, struct iwl_link_quality_cmd *link_cmd); +int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, + struct iwl_link_quality_cmd *lq, u8 flags, bool init); +void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx); +int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, + struct iwl_device_cmd *cmd); + + +/** + * iwl_clear_driver_stations - clear knowledge of all stations from driver + * @priv: iwl priv struct + * + * This is called during iwl_down() to make sure that in the case + * we're coming there from a hardware restart mac80211 will be + * able to reconfigure stations -- if we're getting there in the + * normal down flow then the stations will already be cleared. + */ +static inline void iwl_clear_driver_stations(struct iwl_priv *priv) +{ + unsigned long flags; + struct iwl_rxon_context *ctx; + + spin_lock_irqsave(&priv->shrd->sta_lock, flags); + memset(priv->stations, 0, sizeof(priv->stations)); + priv->num_stations = 0; + + priv->ucode_key_table = 0; + + for_each_context(priv, ctx) { + /* + * Remove all key information that is not stored as part + * of station information since mac80211 may not have had + * a chance to remove all the keys. When device is + * reconfigured by mac80211 after an error all keys will + * be reconfigured. + */ + memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys)); + ctx->key_mapping_keys = 0; + } + + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); +} + +static inline int iwl_sta_id(struct ieee80211_sta *sta) +{ + if (WARN_ON(!sta)) + return IWL_INVALID_STATION; + + return ((struct iwl_station_priv *)sta->drv_priv)->sta_id; +} + +/** + * iwl_sta_id_or_broadcast - return sta_id or broadcast sta + * @priv: iwl priv + * @context: the current context + * @sta: mac80211 station + * + * In certain circumstances mac80211 passes a station pointer + * that may be %NULL, for example during TX or key setup. In + * that case, we need to use the broadcast station, so this + * inline wraps that pattern. + */ +static inline int iwl_sta_id_or_broadcast(struct iwl_priv *priv, + struct iwl_rxon_context *context, + struct ieee80211_sta *sta) +{ + int sta_id; + + if (!sta) + return context->bcast_sta_id; + + sta_id = iwl_sta_id(sta); + + /* + * mac80211 should not be passing a partially + * initialised station! + */ + WARN_ON(sta_id == IWL_INVALID_STATION); + + return sta_id; +} + int iwlagn_alloc_bcast_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx); int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, @@ -207,10 +333,6 @@ void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt); int iwl_update_bcast_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx); int iwl_update_bcast_stations(struct iwl_priv *priv); -void iwlagn_mac_sta_notify(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - enum sta_notify_cmd cmd, - struct ieee80211_sta *sta); /* rate */ static inline u32 iwl_ant_idx_to_flags(u8 ant_idx) @@ -252,20 +374,22 @@ extern int iwlagn_init_alive_start(struct iwl_priv *priv); extern int iwl_alive_start(struct iwl_priv *priv); /* svtool */ #ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL -extern int iwl_testmode_cmd(struct ieee80211_hw *hw, void *data, int len); -extern int iwl_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, - struct netlink_callback *cb, - void *data, int len); +extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, + int len); +extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, + struct sk_buff *skb, + struct netlink_callback *cb, + void *data, int len); extern void iwl_testmode_init(struct iwl_priv *priv); extern void iwl_testmode_cleanup(struct iwl_priv *priv); #else static inline -int iwl_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) +int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) { return -ENOSYS; } static inline -int iwl_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, +int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, struct netlink_callback *cb, void *data, int len) { diff --git a/drivers/net/wireless/iwlwifi/iwl-cfg.h b/drivers/net/wireless/iwlwifi/iwl-cfg.h index d4f317cfe8b5..e1d78257e4a9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-cfg.h +++ b/drivers/net/wireless/iwlwifi/iwl-cfg.h @@ -79,6 +79,7 @@ extern struct iwl_cfg iwl6005_2agn_cfg; extern struct iwl_cfg iwl6005_2abg_cfg; extern struct iwl_cfg iwl6005_2bg_cfg; extern struct iwl_cfg iwl6005_2agn_sff_cfg; +extern struct iwl_cfg iwl6005_2agn_d_cfg; extern struct iwl_cfg iwl1030_bgn_cfg; extern struct iwl_cfg iwl1030_bg_cfg; extern struct iwl_cfg iwl6030_2agn_cfg; @@ -100,16 +101,11 @@ extern struct iwl_cfg iwl100_bg_cfg; extern struct iwl_cfg iwl130_bgn_cfg; extern struct iwl_cfg iwl130_bg_cfg; extern struct iwl_cfg iwl2000_2bgn_cfg; -extern struct iwl_cfg iwl2000_2bg_cfg; extern struct iwl_cfg iwl2000_2bgn_d_cfg; extern struct iwl_cfg iwl2030_2bgn_cfg; -extern struct iwl_cfg iwl2030_2bg_cfg; extern struct iwl_cfg iwl6035_2agn_cfg; -extern struct iwl_cfg iwl6035_2abg_cfg; -extern struct iwl_cfg iwl6035_2bg_cfg; -extern struct iwl_cfg iwl105_bg_cfg; extern struct iwl_cfg iwl105_bgn_cfg; -extern struct iwl_cfg iwl135_bg_cfg; +extern struct iwl_cfg iwl105_bgn_d_cfg; extern struct iwl_cfg iwl135_bgn_cfg; #endif /* __iwl_pci_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index 64593aa03ad6..f4eccf583775 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -89,6 +89,7 @@ struct iwl_priv; enum { REPLY_ALIVE = 0x1, REPLY_ERROR = 0x2, + REPLY_ECHO = 0x3, /* test command */ /* RXON and QOS commands */ REPLY_RXON = 0x10, @@ -197,6 +198,7 @@ enum { REPLY_WOWLAN_TKIP_PARAMS = 0xe3, REPLY_WOWLAN_KEK_KCK_MATERIAL = 0xe4, REPLY_WOWLAN_GET_STATUS = 0xe5, + REPLY_D3_CONFIG = 0xd3, REPLY_MAX = 0xff }; @@ -3215,6 +3217,16 @@ enum iwl_ucode_calib_cfg { IWL_CALIB_CFG_RX_IQ_IDX | \ IWL_CALIB_CFG_CRYSTAL_IDX) +#define IWL_CALIB_RT_CFG_ALL cpu_to_le32(IWL_CALIB_CFG_RX_BB_IDX | \ + IWL_CALIB_CFG_DC_IDX | \ + IWL_CALIB_CFG_LO_IDX | \ + IWL_CALIB_CFG_TX_IQ_IDX | \ + IWL_CALIB_CFG_RX_IQ_IDX | \ + IWL_CALIB_CFG_TEMPERATURE_IDX | \ + IWL_CALIB_CFG_PAPD_IDX | \ + IWL_CALIB_CFG_TX_PWR_IDX | \ + IWL_CALIB_CFG_CRYSTAL_IDX) + #define IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK cpu_to_le32(BIT(0)) struct iwl_calib_cfg_elmnt_s { @@ -3790,6 +3802,19 @@ struct iwl_bt_coex_prot_env_cmd { } __attribute__((packed)); /* + * REPLY_D3_CONFIG + */ +enum iwlagn_d3_wakeup_filters { + IWLAGN_D3_WAKEUP_RFKILL = BIT(0), + IWLAGN_D3_WAKEUP_SYSASSERT = BIT(1), +}; + +struct iwlagn_d3_config_cmd { + __le32 min_sleep_time; + __le32 wakeup_flags; +} __packed; + +/* * REPLY_WOWLAN_PATTERNS */ #define IWLAGN_WOWLAN_MIN_PATTERN_LEN 16 @@ -3819,19 +3844,16 @@ enum iwlagn_wowlan_wakeup_filters { IWLAGN_WOWLAN_WAKEUP_BEACON_MISS = BIT(2), IWLAGN_WOWLAN_WAKEUP_LINK_CHANGE = BIT(3), IWLAGN_WOWLAN_WAKEUP_GTK_REKEY_FAIL = BIT(4), - IWLAGN_WOWLAN_WAKEUP_RFKILL = BIT(5), - IWLAGN_WOWLAN_WAKEUP_UCODE_ERROR = BIT(6), - IWLAGN_WOWLAN_WAKEUP_EAP_IDENT_REQ = BIT(7), - IWLAGN_WOWLAN_WAKEUP_4WAY_HANDSHAKE = BIT(8), - IWLAGN_WOWLAN_WAKEUP_ALWAYS = BIT(9), - IWLAGN_WOWLAN_WAKEUP_ENABLE_NET_DETECT = BIT(10), + IWLAGN_WOWLAN_WAKEUP_EAP_IDENT_REQ = BIT(5), + IWLAGN_WOWLAN_WAKEUP_4WAY_HANDSHAKE = BIT(6), + IWLAGN_WOWLAN_WAKEUP_ALWAYS = BIT(7), + IWLAGN_WOWLAN_WAKEUP_ENABLE_NET_DETECT = BIT(8), }; struct iwlagn_wowlan_wakeup_filter_cmd { __le32 enabled; __le16 non_qos_seq; - u8 min_sleep_seconds; - u8 reserved; + __le16 reserved; __le16 qos_seq[8]; }; diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 0725603dbf1d..f9e9170e977a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -34,14 +34,11 @@ #include <net/mac80211.h> #include "iwl-eeprom.h" -#include "iwl-dev.h" /* FIXME: remove */ #include "iwl-debug.h" #include "iwl-core.h" #include "iwl-io.h" #include "iwl-power.h" -#include "iwl-sta.h" #include "iwl-agn.h" -#include "iwl-helpers.h" #include "iwl-shared.h" #include "iwl-agn.h" #include "iwl-trans.h" @@ -211,7 +208,7 @@ int iwl_init_geos(struct iwl_priv *priv) if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && priv->cfg->sku & EEPROM_SKU_CAP_BAND_52GHZ) { char buf[32]; - bus_get_hw_id(priv->bus, buf, sizeof(buf)); + bus_get_hw_id(bus(priv), buf, sizeof(buf)); IWL_INFO(priv, "Incorrectly detected BG card as ABG. " "Please send your %s to maintainer.\n", buf); priv->cfg->sku &= ~EEPROM_SKU_CAP_BAND_52GHZ; @@ -323,7 +320,7 @@ int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx) u16 beacon_int; struct ieee80211_vif *vif = ctx->vif; - conf = ieee80211_get_hw_conf(priv->hw); + conf = &priv->hw->conf; lockdep_assert_held(&priv->shrd->mutex); @@ -804,7 +801,7 @@ void iwl_chswitch_done(struct iwl_priv *priv, bool is_success) { /* * MULTI-FIXME - * See iwl_mac_channel_switch. + * See iwlagn_mac_channel_switch. */ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; @@ -979,7 +976,7 @@ int iwl_apm_init(struct iwl_priv *priv) iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A); - bus_apm_config(priv->bus); + bus_apm_config(bus(priv)); /* Configure analog phase-lock-loop before activating to D0A */ if (priv->cfg->base_params->pll_cfg_val) @@ -1123,228 +1120,8 @@ int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags, bool clear) &statistics_cmd); } -int iwl_mac_conf_tx(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, u16 queue, - const struct ieee80211_tx_queue_params *params) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_rxon_context *ctx; - unsigned long flags; - int q; - - IWL_DEBUG_MAC80211(priv, "enter\n"); - - if (!iwl_is_ready_rf(priv->shrd)) { - IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n"); - return -EIO; - } - - if (queue >= AC_NUM) { - IWL_DEBUG_MAC80211(priv, "leave - queue >= AC_NUM %d\n", queue); - return 0; - } - - q = AC_NUM - 1 - queue; - - spin_lock_irqsave(&priv->shrd->lock, flags); - - /* - * MULTI-FIXME - * This may need to be done per interface in nl80211/cfg80211/mac80211. - */ - for_each_context(priv, ctx) { - ctx->qos_data.def_qos_parm.ac[q].cw_min = - cpu_to_le16(params->cw_min); - ctx->qos_data.def_qos_parm.ac[q].cw_max = - cpu_to_le16(params->cw_max); - ctx->qos_data.def_qos_parm.ac[q].aifsn = params->aifs; - ctx->qos_data.def_qos_parm.ac[q].edca_txop = - cpu_to_le16((params->txop * 32)); - - ctx->qos_data.def_qos_parm.ac[q].reserved1 = 0; - } - - spin_unlock_irqrestore(&priv->shrd->lock, flags); - - IWL_DEBUG_MAC80211(priv, "leave\n"); - return 0; -} - -int iwl_mac_tx_last_beacon(struct ieee80211_hw *hw) -{ - struct iwl_priv *priv = hw->priv; - - return priv->ibss_manager == IWL_IBSS_MANAGER; -} - -static int iwl_set_mode(struct iwl_priv *priv, struct iwl_rxon_context *ctx) -{ - iwl_connection_init_rx_config(priv, ctx); - - iwlagn_set_rxon_chain(priv, ctx); - - return iwlagn_commit_rxon(priv, ctx); -} - -static int iwl_setup_interface(struct iwl_priv *priv, - struct iwl_rxon_context *ctx) -{ - struct ieee80211_vif *vif = ctx->vif; - int err; - - lockdep_assert_held(&priv->shrd->mutex); - - /* - * This variable will be correct only when there's just - * a single context, but all code using it is for hardware - * that supports only one context. - */ - priv->iw_mode = vif->type; - - ctx->is_active = true; - - err = iwl_set_mode(priv, ctx); - if (err) { - if (!ctx->always_active) - ctx->is_active = false; - return err; - } - - if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist && - vif->type == NL80211_IFTYPE_ADHOC) { - /* - * pretend to have high BT traffic as long as we - * are operating in IBSS mode, as this will cause - * the rate scaling etc. to behave as intended. - */ - priv->bt_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_HIGH; - } - - return 0; -} - -int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; - struct iwl_rxon_context *tmp, *ctx = NULL; - int err; - enum nl80211_iftype viftype = ieee80211_vif_type_p2p(vif); - - IWL_DEBUG_MAC80211(priv, "enter: type %d, addr %pM\n", - viftype, vif->addr); - - cancel_delayed_work_sync(&priv->hw_roc_disable_work); - mutex_lock(&priv->shrd->mutex); - iwlagn_disable_roc(priv); - - if (!iwl_is_ready_rf(priv->shrd)) { - IWL_WARN(priv, "Try to add interface when device not ready\n"); - err = -EINVAL; - goto out; - } - - for_each_context(priv, tmp) { - u32 possible_modes = - tmp->interface_modes | tmp->exclusive_interface_modes; - - if (tmp->vif) { - /* check if this busy context is exclusive */ - if (tmp->exclusive_interface_modes & - BIT(tmp->vif->type)) { - err = -EINVAL; - goto out; - } - continue; - } - - if (!(possible_modes & BIT(viftype))) - continue; - - /* have maybe usable context w/o interface */ - ctx = tmp; - break; - } - - if (!ctx) { - err = -EOPNOTSUPP; - goto out; - } - - vif_priv->ctx = ctx; - ctx->vif = vif; - - err = iwl_setup_interface(priv, ctx); - if (!err) - goto out; - - ctx->vif = NULL; - priv->iw_mode = NL80211_IFTYPE_STATION; - out: - mutex_unlock(&priv->shrd->mutex); - - IWL_DEBUG_MAC80211(priv, "leave\n"); - return err; -} - -static void iwl_teardown_interface(struct iwl_priv *priv, - struct ieee80211_vif *vif, - bool mode_change) -{ - struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - - lockdep_assert_held(&priv->shrd->mutex); - - if (priv->scan_vif == vif) { - iwl_scan_cancel_timeout(priv, 200); - iwl_force_scan_end(priv); - } - - if (!mode_change) { - iwl_set_mode(priv, ctx); - if (!ctx->always_active) - ctx->is_active = false; - } - - /* - * When removing the IBSS interface, overwrite the - * BT traffic load with the stored one from the last - * notification, if any. If this is a device that - * doesn't implement this, this has no effect since - * both values are the same and zero. - */ - if (vif->type == NL80211_IFTYPE_ADHOC) - priv->bt_traffic_load = priv->last_bt_traffic_load; -} - -void iwl_mac_remove_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - - IWL_DEBUG_MAC80211(priv, "enter\n"); - - mutex_lock(&priv->shrd->mutex); - - if (WARN_ON(ctx->vif != vif)) { - struct iwl_rxon_context *tmp; - IWL_ERR(priv, "ctx->vif = %p, vif = %p\n", ctx->vif, vif); - for_each_context(priv, tmp) - IWL_ERR(priv, "\tID = %d:\tctx = %p\tctx->vif = %p\n", - tmp->ctxid, tmp, tmp->vif); - } - ctx->vif = NULL; - - iwl_teardown_interface(priv, vif, false); - - mutex_unlock(&priv->shrd->mutex); - - IWL_DEBUG_MAC80211(priv, "leave\n"); - -} #ifdef CONFIG_IWLWIFI_DEBUGFS @@ -1651,91 +1428,29 @@ int iwl_force_reset(struct iwl_priv *priv, int mode, bool external) return 0; } -int iwl_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - enum nl80211_iftype newtype, bool newp2p) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - struct iwl_rxon_context *bss_ctx = &priv->contexts[IWL_RXON_CTX_BSS]; - struct iwl_rxon_context *tmp; - enum nl80211_iftype newviftype = newtype; - u32 interface_modes; - int err; - - newtype = ieee80211_iftype_p2p(newtype, newp2p); - - mutex_lock(&priv->shrd->mutex); - - if (!ctx->vif || !iwl_is_ready_rf(priv->shrd)) { - /* - * Huh? But wait ... this can maybe happen when - * we're in the middle of a firmware restart! - */ - err = -EBUSY; - goto out; - } - - interface_modes = ctx->interface_modes | ctx->exclusive_interface_modes; - if (!(interface_modes & BIT(newtype))) { - err = -EBUSY; - goto out; - } - - /* - * Refuse a change that should be done by moving from the PAN - * context to the BSS context instead, if the BSS context is - * available and can support the new interface type. - */ - if (ctx->ctxid == IWL_RXON_CTX_PAN && !bss_ctx->vif && - (bss_ctx->interface_modes & BIT(newtype) || - bss_ctx->exclusive_interface_modes & BIT(newtype))) { - BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); - err = -EBUSY; - goto out; - } - - if (ctx->exclusive_interface_modes & BIT(newtype)) { - for_each_context(priv, tmp) { - if (ctx == tmp) - continue; - - if (!tmp->vif) - continue; - - /* - * The current mode switch would be exclusive, but - * another context is active ... refuse the switch. - */ - err = -EBUSY; - goto out; - } - } - - /* success */ - iwl_teardown_interface(priv, vif, true); - vif->type = newviftype; - vif->p2p = newp2p; - err = iwl_setup_interface(priv, ctx); - WARN_ON(err); - /* - * We've switched internally, but submitting to the - * device may have failed for some reason. Mask this - * error, because otherwise mac80211 will not switch - * (and set the interface type back) and we'll be - * out of sync with it. - */ - err = 0; +int iwl_cmd_echo_test(struct iwl_priv *priv) +{ + int ret; + struct iwl_host_cmd cmd = { + .id = REPLY_ECHO, + .len = { 0 }, + .flags = CMD_SYNC, + }; - out: - mutex_unlock(&priv->shrd->mutex); - return err; + ret = iwl_trans_send_cmd(trans(priv), &cmd); + if (ret) + IWL_ERR(priv, "echo testing fail: 0X%x\n", ret); + else + IWL_DEBUG_INFO(priv, "echo testing pass\n"); + return ret; } static inline int iwl_check_stuck_queue(struct iwl_priv *priv, int txq) { if (iwl_trans_check_stuck_queue(trans(priv), txq)) { - int ret = iwl_force_reset(priv, IWL_FW_RESET, false); + int ret; + ret = iwl_force_reset(priv, IWL_FW_RESET, false); return (ret == -EAGAIN) ? 0 : 1; } return 0; @@ -1760,6 +1475,9 @@ void iwl_bg_watchdog(unsigned long data) if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; + if (iwl_is_rfkill(priv->shrd)) + return; + timeout = priv->cfg->base_params->wd_timeout; if (timeout == 0) return; @@ -1794,6 +1512,28 @@ void iwl_setup_watchdog(struct iwl_priv *priv) del_timer(&priv->watchdog); } +/** + * iwl_beacon_time_mask_low - mask of lower 32 bit of beacon time + * @priv -- pointer to iwl_priv data structure + * @tsf_bits -- number of bits need to shift for masking) + */ +static inline u32 iwl_beacon_time_mask_low(struct iwl_priv *priv, + u16 tsf_bits) +{ + return (1 << tsf_bits) - 1; +} + +/** + * iwl_beacon_time_mask_high - mask of higher 32 bit of beacon time + * @priv -- pointer to iwl_priv data structure + * @tsf_bits -- number of bits need to shift for masking) + */ +static inline u32 iwl_beacon_time_mask_high(struct iwl_priv *priv, + u16 tsf_bits) +{ + return ((1 << (32 - tsf_bits)) - 1) << tsf_bits; +} + /* * extended beacon time format * time in usec will be changed into a 32-bit value in extended:internal format diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index db50b650756c..f1d9d0c13e4c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -64,6 +64,7 @@ #define __iwl_core_h__ #include "iwl-dev.h" +#include "iwl-io.h" /************************ * forward declarations * @@ -183,8 +184,9 @@ struct iwl_ht_params { * @ht_params: point to ht patameters * @bt_params: pointer to bt parameters * @pa_type: used by 6000 series only to identify the type of Power Amplifier - * @need_dc_calib: need to perform init dc calibration * @need_temp_offset_calib: need to perform temperature offset calibration + * @no_xtal_calib: some devices do not need crystal calibration data, + * don't send it to those * @scan_antennas: available antenna for scan operation * @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off) * @adv_pm: advance power management @@ -221,8 +223,8 @@ struct iwl_cfg { struct iwl_ht_params *ht_params; struct iwl_bt_params *bt_params; enum iwl_pa_type pa_type; /* if used set to IWL_PA_SYSTEM */ - const bool need_dc_calib; /* if used set to true */ const bool need_temp_offset_calib; /* if used set to true */ + const bool no_xtal_calib; u8 scan_rx_antennas[IEEE80211_NUM_BANDS]; enum iwl_led_mode led_mode; const bool adv_pm; @@ -236,10 +238,6 @@ struct iwl_cfg { * L i b * ***************************/ -int iwl_mac_conf_tx(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, u16 queue, - const struct ieee80211_tx_queue_params *params); -int iwl_mac_tx_last_beacon(struct ieee80211_hw *hw); void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx, int hw_decrypt); int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx); @@ -259,13 +257,7 @@ bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv, void iwl_connection_init_rx_config(struct iwl_priv *priv, struct iwl_rxon_context *ctx); void iwl_set_rate(struct iwl_priv *priv); -int iwl_mac_add_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif); -void iwl_mac_remove_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif); -int iwl_mac_change_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - enum nl80211_iftype newtype, bool newp2p); +int iwl_cmd_echo_test(struct iwl_priv *priv); #ifdef CONFIG_IWLWIFI_DEBUGFS int iwl_alloc_traffic_mem(struct iwl_priv *priv); void iwl_free_traffic_mem(struct iwl_priv *priv); @@ -321,9 +313,6 @@ void iwl_init_scan_params(struct iwl_priv *priv); int iwl_scan_cancel(struct iwl_priv *priv); void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms); void iwl_force_scan_end(struct iwl_priv *priv); -int iwl_mac_hw_scan(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct cfg80211_scan_request *req); void iwl_internal_short_hw_scan(struct iwl_priv *priv); int iwl_force_reset(struct iwl_priv *priv, int mode, bool external); u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame, @@ -381,6 +370,12 @@ static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv) priv->cfg->bt_params->advanced_bt_coexist; } +static inline void iwl_enable_rfkill_int(struct iwl_priv *priv) +{ + IWL_DEBUG_ISR(priv, "Enabling rfkill interrupt\n"); + iwl_write32(bus(priv), CSR_INT_MASK, CSR_INT_BIT_RF_KILL); +} + extern bool bt_siso_mode; #endif /* __iwl_core_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h index b9f3267e720c..fbc3095c7b44 100644 --- a/drivers/net/wireless/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/iwlwifi/iwl-csr.h @@ -284,8 +284,8 @@ #define CSR_HW_REV_TYPE_6x35 CSR_HW_REV_TYPE_6x05 #define CSR_HW_REV_TYPE_2x30 (0x00000C0) #define CSR_HW_REV_TYPE_2x00 (0x0000100) -#define CSR_HW_REV_TYPE_200 (0x0000110) -#define CSR_HW_REV_TYPE_230 (0x0000120) +#define CSR_HW_REV_TYPE_105 (0x0000110) +#define CSR_HW_REV_TYPE_135 (0x0000120) #define CSR_HW_REV_TYPE_NONE (0x00001F0) /* EEPROM REG */ diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h index 7014f4124484..44a7bdd7ccfd 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debug.h +++ b/drivers/net/wireless/iwlwifi/iwl-debug.h @@ -47,20 +47,21 @@ do { \ } while (0) #ifdef CONFIG_IWLWIFI_DEBUG -#define IWL_DEBUG(m, level, fmt, args...) \ +#define IWL_DEBUG(m, level, fmt, ...) \ do { \ if (iwl_get_debug_level((m)->shrd) & (level)) \ - dev_printk(KERN_ERR, bus(m)->dev, \ - "%c %s " fmt, in_interrupt() ? 'I' : 'U', \ - __func__ , ## args); \ + dev_err(bus(m)->dev, "%c %s " fmt, \ + in_interrupt() ? 'I' : 'U', __func__, \ + ##__VA_ARGS__); \ } while (0) -#define IWL_DEBUG_LIMIT(m, level, fmt, args...) \ +#define IWL_DEBUG_LIMIT(m, level, fmt, ...) \ do { \ - if (iwl_get_debug_level((m)->shrd) & (level) && net_ratelimit())\ - dev_printk(KERN_ERR, bus(m)->dev, \ - "%c %s " fmt, in_interrupt() ? 'I' : 'U', \ - __func__ , ## args); \ + if (iwl_get_debug_level((m)->shrd) & (level) && \ + net_ratelimit()) \ + dev_err(bus(m)->dev, "%c %s " fmt, \ + in_interrupt() ? 'I' : 'U', __func__, \ + ##__VA_ARGS__); \ } while (0) #define iwl_print_hex_dump(m, level, p, len) \ @@ -70,10 +71,29 @@ do { \ DUMP_PREFIX_OFFSET, 16, 1, p, len, 1); \ } while (0) +#define IWL_DEBUG_QUIET_RFKILL(p, fmt, ...) \ +do { \ + if (!iwl_is_rfkill(p->shrd)) \ + dev_err(bus(p)->dev, "%s%c %s " fmt, \ + "", \ + in_interrupt() ? 'I' : 'U', __func__, \ + ##__VA_ARGS__); \ + else if (iwl_get_debug_level(p->shrd) & IWL_DL_RADIO) \ + dev_err(bus(p)->dev, "%s%c %s " fmt, \ + "(RFKILL) ", \ + in_interrupt() ? 'I' : 'U', __func__, \ + ##__VA_ARGS__); \ +} while (0) + #else #define IWL_DEBUG(m, level, fmt, args...) #define IWL_DEBUG_LIMIT(m, level, fmt, args...) #define iwl_print_hex_dump(m, level, p, len) +#define IWL_DEBUG_QUIET_RFKILL(p, fmt, args...) \ +do { \ + if (!iwl_is_rfkill(p->shrd)) \ + IWL_ERR(p, fmt, ##args); \ +} while (0) #endif /* CONFIG_IWLWIFI_DEBUG */ #ifdef CONFIG_IWLWIFI_DEBUGFS @@ -105,10 +125,12 @@ static inline void iwl_dbgfs_unregister(struct iwl_priv *priv) * * The active debug levels can be accessed via files * - * /sys/module/iwlagn/parameters/debug{50} - * /sys/class/net/wlan0/device/debug_level - * + * /sys/module/iwlwifi/parameters/debug * when CONFIG_IWLWIFI_DEBUG=y. + * + * /sys/kernel/debug/phy0/iwlwifi/debug/debug_level + * when CONFIG_IWLWIFI_DEBUGFS=y. + * */ /* 0x0000000F - 0x00000001 */ @@ -149,7 +171,7 @@ static inline void iwl_dbgfs_unregister(struct iwl_priv *priv) #define IWL_DL_11H (1 << 28) #define IWL_DL_STATS (1 << 29) #define IWL_DL_TX_REPLY (1 << 30) -#define IWL_DL_QOS (1 << 31) +#define IWL_DL_TX_QUEUES (1 << 31) #define IWL_DEBUG_INFO(p, f, a...) IWL_DEBUG(p, IWL_DL_INFO, f, ## a) #define IWL_DEBUG_MAC80211(p, f, a...) IWL_DEBUG(p, IWL_DL_MAC80211, f, ## a) @@ -186,7 +208,7 @@ static inline void iwl_dbgfs_unregister(struct iwl_priv *priv) #define IWL_DEBUG_TX_REPLY(p, f, a...) IWL_DEBUG(p, IWL_DL_TX_REPLY, f, ## a) #define IWL_DEBUG_TX_REPLY_LIMIT(p, f, a...) \ IWL_DEBUG_LIMIT(p, IWL_DL_TX_REPLY, f, ## a) -#define IWL_DEBUG_QOS(p, f, a...) IWL_DEBUG(p, IWL_DL_QOS, f, ## a) +#define IWL_DEBUG_TX_QUEUES(p, f, a...) IWL_DEBUG(p, IWL_DL_TX_QUEUES, f, ## a) #define IWL_DEBUG_RADIO(p, f, a...) IWL_DEBUG(p, IWL_DL_RADIO, f, ## a) #define IWL_DEBUG_POWER(p, f, a...) IWL_DEBUG(p, IWL_DL_POWER, f, ## a) #define IWL_DEBUG_11H(p, f, a...) IWL_DEBUG(p, IWL_DL_11H, f, ## a) diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 6d49dfbee964..68b04f5b10ce 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -236,9 +236,9 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file, if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { priv->dbgfs_sram_offset = 0x800000; if (priv->ucode_type == IWL_UCODE_INIT) - priv->dbgfs_sram_len = priv->ucode_init.data.len; + priv->dbgfs_sram_len = trans(priv)->ucode_init.data.len; else - priv->dbgfs_sram_len = priv->ucode_rt.data.len; + priv->dbgfs_sram_len = trans(priv)->ucode_rt.data.len; } len = priv->dbgfs_sram_len; @@ -341,7 +341,7 @@ static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file, return simple_read_from_buffer(user_buf, count, ppos, priv->wowlan_sram, - priv->ucode_wowlan.data.len); + trans(priv)->ucode_wowlan.data.len); } static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -349,7 +349,6 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, struct iwl_priv *priv = file->private_data; struct iwl_station_entry *station; struct iwl_tid_data *tid_data; - int max_sta = hw_params(priv).max_stations; char *buf; int i, j, pos = 0; ssize_t ret; @@ -363,7 +362,7 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", priv->num_stations); - for (i = 0; i < max_sta; i++) { + for (i = 0; i < IWLAGN_STATION_COUNT; i++) { station = &priv->stations[i]; if (!station->used) continue; @@ -431,7 +430,7 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file, eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION); pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, " "version: 0x%x\n", - (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) + (trans(priv)->nvm_device_type == NVM_DEVICE_TYPE_OTP) ? "OTP" : "EEPROM", eeprom_ver); for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); @@ -2444,6 +2443,23 @@ static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, return count; } +static ssize_t iwl_dbgfs_echo_test_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_priv *priv = file->private_data; + char buf[8]; + int buf_size; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + + iwl_cmd_echo_test(priv); + return count; +} + DEBUGFS_READ_FILE_OPS(rx_statistics); DEBUGFS_READ_FILE_OPS(tx_statistics); DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); @@ -2467,6 +2483,7 @@ DEBUGFS_WRITE_FILE_OPS(wd_timeout); DEBUGFS_READ_FILE_OPS(bt_traffic); DEBUGFS_READ_WRITE_FILE_OPS(protection_mode); DEBUGFS_READ_FILE_OPS(reply_tx_error); +DEBUGFS_WRITE_FILE_OPS(echo_test); #ifdef CONFIG_IWLWIFI_DEBUG static ssize_t iwl_dbgfs_debug_level_read(struct file *file, @@ -2575,6 +2592,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR); DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR); DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR); + DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR); if (iwl_advanced_bt_coexist(priv)) DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR); #ifdef CONFIG_IWLWIFI_DEBUG diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 257aa9a407ca..0c95ad3048a0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -230,17 +230,6 @@ struct iwl_vif_priv { u8 ibss_bssid_sta_id; }; -/* one for each uCode image (inst/data, boot/init/runtime) */ -struct fw_desc { - void *v_addr; /* access by driver */ - dma_addr_t p_addr; /* access by card's busmaster DMA */ - u32 len; /* bytes */ -}; - -struct fw_img { - struct fw_desc code, data; -}; - /* v1/v2 uCode file layout */ struct iwl_ucode_header { __le32 ver; /* major/minor/API/serial */ @@ -453,26 +442,12 @@ enum iwlagn_chain_noise_state { }; -/* - * enum iwl_calib - * defines the order in which results of initial calibrations - * should be sent to the runtime uCode - */ -enum iwl_calib { - IWL_CALIB_XTAL, - IWL_CALIB_DC, - IWL_CALIB_LO, - IWL_CALIB_TX_IQ, - IWL_CALIB_TX_IQ_PERD, - IWL_CALIB_BASE_BAND, - IWL_CALIB_TEMP_OFFSET, - IWL_CALIB_MAX -}; - /* Opaque calibration results */ struct iwl_calib_result { - void *buf; - size_t buf_len; + struct list_head list; + size_t cmd_len; + struct iwl_calib_hdr hdr; + /* data follows */ }; /* Sensitivity calib data */ @@ -805,13 +780,6 @@ enum iwl_scan_type { IWL_SCAN_ROC, }; -enum iwlagn_ucode_type { - IWL_UCODE_NONE, - IWL_UCODE_REGULAR, - IWL_UCODE_INIT, - IWL_UCODE_WOWLAN, -}; - #ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL struct iwl_testmode_trace { u32 buff_size; @@ -824,6 +792,12 @@ struct iwl_testmode_trace { }; #endif +struct iwl_wipan_noa_data { + struct rcu_head rcu_head; + u32 length; + u8 data[]; +}; + struct iwl_priv { /*data shared among all the driver's layers */ @@ -881,7 +855,9 @@ struct iwl_priv { s32 last_temperature; /* init calibration results */ - struct iwl_calib_result calib_results[IWL_CALIB_MAX]; + struct list_head calib_results; + + struct iwl_wipan_noa_data __rcu *noa_data; /* Scan related variables */ unsigned long scan_start; @@ -894,9 +870,6 @@ struct iwl_priv { u8 scan_tx_ant[IEEE80211_NUM_BANDS]; u8 mgmt_tx_ant; - /*TODO: remove these pointers - use bus(priv) instead */ - struct iwl_bus *bus; /* bus specific data */ - /* max number of station keys */ u8 sta_key_max_num; @@ -910,12 +883,7 @@ struct iwl_priv { u32 ucode_ver; /* version of ucode, copy of iwl_ucode.ver */ - struct fw_img ucode_rt; - struct fw_img ucode_init; - struct fw_img ucode_wowlan; - - enum iwlagn_ucode_type ucode_type; - u8 ucode_write_complete; /* the image write is complete */ + enum iwl_ucode_type ucode_type; char firmware_name[25]; struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; @@ -962,7 +930,6 @@ struct iwl_priv { /* eeprom -- this is in the card's little endian byte order */ u8 *eeprom; - int nvm_device_type; struct iwl_eeprom_calib_info *calib_info; enum nl80211_iftype iw_mode; diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.c b/drivers/net/wireless/iwlwifi/iwl-devtrace.c index a635a7e75447..2a2c8de64a04 100644 --- a/drivers/net/wireless/iwlwifi/iwl-devtrace.c +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.c @@ -28,7 +28,7 @@ /* sparse doesn't like tracepoint macros */ #ifndef __CHECKER__ -#include "iwl-dev.h" +#include "iwl-trans.h" #define CREATE_TRACE_POINTS #include "iwl-devtrace.h" diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h index 8a51c5ccda1e..f9d3319ecad5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-devtrace.h +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h @@ -29,7 +29,6 @@ #include <linux/tracepoint.h> -struct iwl_priv; #if !defined(CONFIG_IWLWIFI_DEVICE_TRACING) || defined(__CHECKER__) #undef TRACE_EVENT @@ -37,14 +36,14 @@ struct iwl_priv; static inline void trace_ ## name(proto) {} #endif -#define PRIV_ENTRY __field(struct iwl_priv *, priv) +#define PRIV_ENTRY __field(void *, priv) #define PRIV_ASSIGN __entry->priv = priv #undef TRACE_SYSTEM #define TRACE_SYSTEM iwlwifi_io TRACE_EVENT(iwlwifi_dev_ioread32, - TP_PROTO(struct iwl_priv *priv, u32 offs, u32 val), + TP_PROTO(void *priv, u32 offs, u32 val), TP_ARGS(priv, offs, val), TP_STRUCT__entry( PRIV_ENTRY @@ -60,7 +59,7 @@ TRACE_EVENT(iwlwifi_dev_ioread32, ); TRACE_EVENT(iwlwifi_dev_iowrite8, - TP_PROTO(struct iwl_priv *priv, u32 offs, u8 val), + TP_PROTO(void *priv, u32 offs, u8 val), TP_ARGS(priv, offs, val), TP_STRUCT__entry( PRIV_ENTRY @@ -76,7 +75,7 @@ TRACE_EVENT(iwlwifi_dev_iowrite8, ); TRACE_EVENT(iwlwifi_dev_iowrite32, - TP_PROTO(struct iwl_priv *priv, u32 offs, u32 val), + TP_PROTO(void *priv, u32 offs, u32 val), TP_ARGS(priv, offs, val), TP_STRUCT__entry( PRIV_ENTRY @@ -95,7 +94,7 @@ TRACE_EVENT(iwlwifi_dev_iowrite32, #define TRACE_SYSTEM iwlwifi_ucode TRACE_EVENT(iwlwifi_dev_ucode_cont_event, - TP_PROTO(struct iwl_priv *priv, u32 time, u32 data, u32 ev), + TP_PROTO(void *priv, u32 time, u32 data, u32 ev), TP_ARGS(priv, time, data, ev), TP_STRUCT__entry( PRIV_ENTRY @@ -115,7 +114,7 @@ TRACE_EVENT(iwlwifi_dev_ucode_cont_event, ); TRACE_EVENT(iwlwifi_dev_ucode_wrap_event, - TP_PROTO(struct iwl_priv *priv, u32 wraps, u32 n_entry, u32 p_entry), + TP_PROTO(void *priv, u32 wraps, u32 n_entry, u32 p_entry), TP_ARGS(priv, wraps, n_entry, p_entry), TP_STRUCT__entry( PRIV_ENTRY @@ -139,7 +138,7 @@ TRACE_EVENT(iwlwifi_dev_ucode_wrap_event, #define TRACE_SYSTEM iwlwifi TRACE_EVENT(iwlwifi_dev_hcmd, - TP_PROTO(struct iwl_priv *priv, u32 flags, + TP_PROTO(void *priv, u32 flags, const void *hcmd0, size_t len0, const void *hcmd1, size_t len1, const void *hcmd2, size_t len2), @@ -164,7 +163,7 @@ TRACE_EVENT(iwlwifi_dev_hcmd, ); TRACE_EVENT(iwlwifi_dev_rx, - TP_PROTO(struct iwl_priv *priv, void *rxbuf, size_t len), + TP_PROTO(void *priv, void *rxbuf, size_t len), TP_ARGS(priv, rxbuf, len), TP_STRUCT__entry( PRIV_ENTRY @@ -179,7 +178,7 @@ TRACE_EVENT(iwlwifi_dev_rx, ); TRACE_EVENT(iwlwifi_dev_tx, - TP_PROTO(struct iwl_priv *priv, void *tfd, size_t tfdlen, + TP_PROTO(void *priv, void *tfd, size_t tfdlen, void *buf0, size_t buf0_len, void *buf1, size_t buf1_len), TP_ARGS(priv, tfd, tfdlen, buf0, buf0_len, buf1, buf1_len), @@ -211,7 +210,7 @@ TRACE_EVENT(iwlwifi_dev_tx, ); TRACE_EVENT(iwlwifi_dev_ucode_error, - TP_PROTO(struct iwl_priv *priv, u32 desc, u32 tsf_low, + TP_PROTO(void *priv, u32 desc, u32 tsf_low, u32 data1, u32 data2, u32 line, u32 blink1, u32 blink2, u32 ilink1, u32 ilink2, u32 bcon_time, u32 gp1, u32 gp2, u32 gp3, u32 ucode_ver, u32 hw_ver, @@ -271,7 +270,7 @@ TRACE_EVENT(iwlwifi_dev_ucode_error, ); TRACE_EVENT(iwlwifi_dev_ucode_event, - TP_PROTO(struct iwl_priv *priv, u32 time, u32 data, u32 ev), + TP_PROTO(void *priv, u32 time, u32 data, u32 ev), TP_ARGS(priv, time, data, ev), TP_STRUCT__entry( PRIV_ENTRY diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c index a4e43bd4a547..dcada0827ea4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c @@ -149,23 +149,23 @@ static const u8 iwl_eeprom_band_7[] = { /* 5.2 ht40 channel */ * EEPROM chip, not a single event, so even reads could conflict if they * weren't arbitrated by the semaphore. */ -static int iwl_eeprom_acquire_semaphore(struct iwl_priv *priv) +static int iwl_eeprom_acquire_semaphore(struct iwl_bus *bus) { u16 count; int ret; for (count = 0; count < EEPROM_SEM_RETRY_LIMIT; count++) { /* Request semaphore */ - iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG, + iwl_set_bit(bus, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM); /* See if we got it */ - ret = iwl_poll_bit(bus(priv), CSR_HW_IF_CONFIG_REG, + ret = iwl_poll_bit(bus, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM, CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM, EEPROM_SEM_TIMEOUT); if (ret >= 0) { - IWL_DEBUG_EEPROM(priv, + IWL_DEBUG_EEPROM(bus, "Acquired semaphore after %d tries.\n", count+1); return ret; @@ -175,39 +175,39 @@ static int iwl_eeprom_acquire_semaphore(struct iwl_priv *priv) return ret; } -static void iwl_eeprom_release_semaphore(struct iwl_priv *priv) +static void iwl_eeprom_release_semaphore(struct iwl_bus *bus) { - iwl_clear_bit(bus(priv), CSR_HW_IF_CONFIG_REG, + iwl_clear_bit(bus, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM); } -static int iwl_eeprom_verify_signature(struct iwl_priv *priv) +static int iwl_eeprom_verify_signature(struct iwl_trans *trans) { - u32 gp = iwl_read32(bus(priv), CSR_EEPROM_GP) & CSR_EEPROM_GP_VALID_MSK; + u32 gp = iwl_read32(bus(trans), CSR_EEPROM_GP) & CSR_EEPROM_GP_VALID_MSK; int ret = 0; - IWL_DEBUG_EEPROM(priv, "EEPROM signature=0x%08x\n", gp); + IWL_DEBUG_EEPROM(trans, "EEPROM signature=0x%08x\n", gp); switch (gp) { case CSR_EEPROM_GP_BAD_SIG_EEP_GOOD_SIG_OTP: - if (priv->nvm_device_type != NVM_DEVICE_TYPE_OTP) { - IWL_ERR(priv, "EEPROM with bad signature: 0x%08x\n", + if (trans->nvm_device_type != NVM_DEVICE_TYPE_OTP) { + IWL_ERR(trans, "EEPROM with bad signature: 0x%08x\n", gp); ret = -ENOENT; } break; case CSR_EEPROM_GP_GOOD_SIG_EEP_LESS_THAN_4K: case CSR_EEPROM_GP_GOOD_SIG_EEP_MORE_THAN_4K: - if (priv->nvm_device_type != NVM_DEVICE_TYPE_EEPROM) { - IWL_ERR(priv, "OTP with bad signature: 0x%08x\n", gp); + if (trans->nvm_device_type != NVM_DEVICE_TYPE_EEPROM) { + IWL_ERR(trans, "OTP with bad signature: 0x%08x\n", gp); ret = -ENOENT; } break; case CSR_EEPROM_GP_BAD_SIGNATURE_BOTH_EEP_AND_OTP: default: - IWL_ERR(priv, "bad EEPROM/OTP signature, type=%s, " + IWL_ERR(trans, "bad EEPROM/OTP signature, type=%s, " "EEPROM_GP=0x%08x\n", - (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) + (trans->nvm_device_type == NVM_DEVICE_TYPE_OTP) ? "OTP" : "EEPROM", gp); ret = -ENOENT; break; @@ -302,19 +302,19 @@ void iwl_eeprom_get_mac(const struct iwl_priv *priv, u8 *mac) * ******************************************************************************/ -static void iwl_set_otp_access(struct iwl_priv *priv, enum iwl_access_mode mode) +static void iwl_set_otp_access(struct iwl_bus *bus, enum iwl_access_mode mode) { - iwl_read32(bus(priv), CSR_OTP_GP_REG); + iwl_read32(bus, CSR_OTP_GP_REG); if (mode == IWL_OTP_ACCESS_ABSOLUTE) - iwl_clear_bit(bus(priv), CSR_OTP_GP_REG, + iwl_clear_bit(bus, CSR_OTP_GP_REG, CSR_OTP_GP_REG_OTP_ACCESS_MODE); else - iwl_set_bit(bus(priv), CSR_OTP_GP_REG, + iwl_set_bit(bus, CSR_OTP_GP_REG, CSR_OTP_GP_REG_OTP_ACCESS_MODE); } -static int iwl_get_nvm_type(struct iwl_priv *priv, u32 hw_rev) +static int iwl_get_nvm_type(struct iwl_bus *bus, u32 hw_rev) { u32 otpgp; int nvm_type; @@ -322,7 +322,7 @@ static int iwl_get_nvm_type(struct iwl_priv *priv, u32 hw_rev) /* OTP only valid for CP/PP and after */ switch (hw_rev & CSR_HW_REV_TYPE_MSK) { case CSR_HW_REV_TYPE_NONE: - IWL_ERR(priv, "Unknown hardware type\n"); + IWL_ERR(bus, "Unknown hardware type\n"); return -ENOENT; case CSR_HW_REV_TYPE_5300: case CSR_HW_REV_TYPE_5350: @@ -331,7 +331,7 @@ static int iwl_get_nvm_type(struct iwl_priv *priv, u32 hw_rev) nvm_type = NVM_DEVICE_TYPE_EEPROM; break; default: - otpgp = iwl_read32(bus(priv), CSR_OTP_GP_REG); + otpgp = iwl_read32(bus, CSR_OTP_GP_REG); if (otpgp & CSR_OTP_GP_REG_DEVICE_SELECT) nvm_type = NVM_DEVICE_TYPE_OTP; else @@ -341,73 +341,73 @@ static int iwl_get_nvm_type(struct iwl_priv *priv, u32 hw_rev) return nvm_type; } -static int iwl_init_otp_access(struct iwl_priv *priv) +static int iwl_init_otp_access(struct iwl_bus *bus) { int ret; /* Enable 40MHz radio clock */ - iwl_write32(bus(priv), CSR_GP_CNTRL, - iwl_read32(bus(priv), CSR_GP_CNTRL) | + iwl_write32(bus, CSR_GP_CNTRL, + iwl_read32(bus, CSR_GP_CNTRL) | CSR_GP_CNTRL_REG_FLAG_INIT_DONE); /* wait for clock to be ready */ - ret = iwl_poll_bit(bus(priv), CSR_GP_CNTRL, + ret = iwl_poll_bit(bus, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); if (ret < 0) - IWL_ERR(priv, "Time out access OTP\n"); + IWL_ERR(bus, "Time out access OTP\n"); else { - iwl_set_bits_prph(bus(priv), APMG_PS_CTRL_REG, + iwl_set_bits_prph(bus, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_RESET_REQ); udelay(5); - iwl_clear_bits_prph(bus(priv), APMG_PS_CTRL_REG, + iwl_clear_bits_prph(bus, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_RESET_REQ); /* * CSR auto clock gate disable bit - * this is only applicable for HW with OTP shadow RAM */ - if (priv->cfg->base_params->shadow_ram_support) - iwl_set_bit(bus(priv), CSR_DBG_LINK_PWR_MGMT_REG, + if (priv(bus)->cfg->base_params->shadow_ram_support) + iwl_set_bit(bus, CSR_DBG_LINK_PWR_MGMT_REG, CSR_RESET_LINK_PWR_MGMT_DISABLED); } return ret; } -static int iwl_read_otp_word(struct iwl_priv *priv, u16 addr, __le16 *eeprom_data) +static int iwl_read_otp_word(struct iwl_bus *bus, u16 addr, __le16 *eeprom_data) { int ret = 0; u32 r; u32 otpgp; - iwl_write32(bus(priv), CSR_EEPROM_REG, + iwl_write32(bus, CSR_EEPROM_REG, CSR_EEPROM_REG_MSK_ADDR & (addr << 1)); - ret = iwl_poll_bit(bus(priv), CSR_EEPROM_REG, + ret = iwl_poll_bit(bus, CSR_EEPROM_REG, CSR_EEPROM_REG_READ_VALID_MSK, CSR_EEPROM_REG_READ_VALID_MSK, IWL_EEPROM_ACCESS_TIMEOUT); if (ret < 0) { - IWL_ERR(priv, "Time out reading OTP[%d]\n", addr); + IWL_ERR(bus, "Time out reading OTP[%d]\n", addr); return ret; } - r = iwl_read32(bus(priv), CSR_EEPROM_REG); + r = iwl_read32(bus, CSR_EEPROM_REG); /* check for ECC errors: */ - otpgp = iwl_read32(bus(priv), CSR_OTP_GP_REG); + otpgp = iwl_read32(bus, CSR_OTP_GP_REG); if (otpgp & CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK) { /* stop in this case */ /* set the uncorrectable OTP ECC bit for acknowledgement */ - iwl_set_bit(bus(priv), CSR_OTP_GP_REG, + iwl_set_bit(bus, CSR_OTP_GP_REG, CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK); - IWL_ERR(priv, "Uncorrectable OTP ECC error, abort OTP read\n"); + IWL_ERR(bus, "Uncorrectable OTP ECC error, abort OTP read\n"); return -EINVAL; } if (otpgp & CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK) { /* continue in this case */ /* set the correctable OTP ECC bit for acknowledgement */ - iwl_set_bit(bus(priv), CSR_OTP_GP_REG, + iwl_set_bit(bus, CSR_OTP_GP_REG, CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK); - IWL_ERR(priv, "Correctable OTP ECC error, continue read\n"); + IWL_ERR(bus, "Correctable OTP ECC error, continue read\n"); } *eeprom_data = cpu_to_le16(r >> 16); return 0; @@ -416,20 +416,20 @@ static int iwl_read_otp_word(struct iwl_priv *priv, u16 addr, __le16 *eeprom_dat /* * iwl_is_otp_empty: check for empty OTP */ -static bool iwl_is_otp_empty(struct iwl_priv *priv) +static bool iwl_is_otp_empty(struct iwl_bus *bus) { u16 next_link_addr = 0; __le16 link_value; bool is_empty = false; /* locate the beginning of OTP link list */ - if (!iwl_read_otp_word(priv, next_link_addr, &link_value)) { + if (!iwl_read_otp_word(bus, next_link_addr, &link_value)) { if (!link_value) { - IWL_ERR(priv, "OTP is empty\n"); + IWL_ERR(bus, "OTP is empty\n"); is_empty = true; } } else { - IWL_ERR(priv, "Unable to read first block of OTP list.\n"); + IWL_ERR(bus, "Unable to read first block of OTP list.\n"); is_empty = true; } @@ -446,7 +446,7 @@ static bool iwl_is_otp_empty(struct iwl_priv *priv) * we should read and used to configure the device. * only perform this operation if shadow RAM is disabled */ -static int iwl_find_otp_image(struct iwl_priv *priv, +static int iwl_find_otp_image(struct iwl_bus *bus, u16 *validblockaddr) { u16 next_link_addr = 0, valid_addr; @@ -454,10 +454,10 @@ static int iwl_find_otp_image(struct iwl_priv *priv, int usedblocks = 0; /* set addressing mode to absolute to traverse the link list */ - iwl_set_otp_access(priv, IWL_OTP_ACCESS_ABSOLUTE); + iwl_set_otp_access(bus, IWL_OTP_ACCESS_ABSOLUTE); /* checking for empty OTP or error */ - if (iwl_is_otp_empty(priv)) + if (iwl_is_otp_empty(bus)) return -EINVAL; /* @@ -471,9 +471,9 @@ static int iwl_find_otp_image(struct iwl_priv *priv, */ valid_addr = next_link_addr; next_link_addr = le16_to_cpu(link_value) * sizeof(u16); - IWL_DEBUG_EEPROM(priv, "OTP blocks %d addr 0x%x\n", + IWL_DEBUG_EEPROM(bus, "OTP blocks %d addr 0x%x\n", usedblocks, next_link_addr); - if (iwl_read_otp_word(priv, next_link_addr, &link_value)) + if (iwl_read_otp_word(bus, next_link_addr, &link_value)) return -EINVAL; if (!link_value) { /* @@ -488,10 +488,10 @@ static int iwl_find_otp_image(struct iwl_priv *priv, } /* more in the link list, continue */ usedblocks++; - } while (usedblocks <= priv->cfg->base_params->max_ll_items); + } while (usedblocks <= priv(bus)->cfg->base_params->max_ll_items); /* OTP has no valid blocks */ - IWL_DEBUG_EEPROM(priv, "OTP has no valid blocks\n"); + IWL_DEBUG_EEPROM(bus, "OTP has no valid blocks\n"); return -EINVAL; } @@ -504,28 +504,28 @@ static int iwl_find_otp_image(struct iwl_priv *priv, * iwl_get_max_txpower_avg - get the highest tx power from all chains. * find the highest tx power from all chains for the channel */ -static s8 iwl_get_max_txpower_avg(struct iwl_priv *priv, +static s8 iwl_get_max_txpower_avg(struct iwl_cfg *cfg, struct iwl_eeprom_enhanced_txpwr *enhanced_txpower, int element, s8 *max_txpower_in_half_dbm) { s8 max_txpower_avg = 0; /* (dBm) */ /* Take the highest tx power from any valid chains */ - if ((priv->cfg->valid_tx_ant & ANT_A) && + if ((cfg->valid_tx_ant & ANT_A) && (enhanced_txpower[element].chain_a_max > max_txpower_avg)) max_txpower_avg = enhanced_txpower[element].chain_a_max; - if ((priv->cfg->valid_tx_ant & ANT_B) && + if ((cfg->valid_tx_ant & ANT_B) && (enhanced_txpower[element].chain_b_max > max_txpower_avg)) max_txpower_avg = enhanced_txpower[element].chain_b_max; - if ((priv->cfg->valid_tx_ant & ANT_C) && + if ((cfg->valid_tx_ant & ANT_C) && (enhanced_txpower[element].chain_c_max > max_txpower_avg)) max_txpower_avg = enhanced_txpower[element].chain_c_max; - if (((priv->cfg->valid_tx_ant == ANT_AB) | - (priv->cfg->valid_tx_ant == ANT_BC) | - (priv->cfg->valid_tx_ant == ANT_AC)) && + if (((cfg->valid_tx_ant == ANT_AB) | + (cfg->valid_tx_ant == ANT_BC) | + (cfg->valid_tx_ant == ANT_AC)) && (enhanced_txpower[element].mimo2_max > max_txpower_avg)) max_txpower_avg = enhanced_txpower[element].mimo2_max; - if ((priv->cfg->valid_tx_ant == ANT_ABC) && + if ((cfg->valid_tx_ant == ANT_ABC) && (enhanced_txpower[element].mimo3_max > max_txpower_avg)) max_txpower_avg = enhanced_txpower[element].mimo3_max; @@ -627,7 +627,7 @@ void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv) ((txp->delta_20_in_40 & 0xf0) >> 4), (txp->delta_20_in_40 & 0x0f)); - max_txp_avg = iwl_get_max_txpower_avg(priv, txp_array, idx, + max_txp_avg = iwl_get_max_txpower_avg(priv->cfg, txp_array, idx, &max_txp_avg_halfdbm); /* @@ -660,8 +660,8 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev) u16 validblockaddr = 0; u16 cache_addr = 0; - priv->nvm_device_type = iwl_get_nvm_type(priv, hw_rev); - if (priv->nvm_device_type == -ENOENT) + trans(priv)->nvm_device_type = iwl_get_nvm_type(bus(priv), hw_rev); + if (trans(priv)->nvm_device_type == -ENOENT) return -ENOENT; /* allocate eeprom */ sz = priv->cfg->base_params->eeprom_size; @@ -675,7 +675,7 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev) iwl_apm_init(priv); - ret = iwl_eeprom_verify_signature(priv); + ret = iwl_eeprom_verify_signature(trans(priv)); if (ret < 0) { IWL_ERR(priv, "EEPROM not found, EEPROM_GP=0x%08x\n", gp); ret = -ENOENT; @@ -683,16 +683,16 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev) } /* Make sure driver (instead of uCode) is allowed to read EEPROM */ - ret = iwl_eeprom_acquire_semaphore(priv); + ret = iwl_eeprom_acquire_semaphore(bus(priv)); if (ret < 0) { IWL_ERR(priv, "Failed to acquire EEPROM semaphore.\n"); ret = -ENOENT; goto err; } - if (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) { + if (trans(priv)->nvm_device_type == NVM_DEVICE_TYPE_OTP) { - ret = iwl_init_otp_access(priv); + ret = iwl_init_otp_access(bus(priv)); if (ret) { IWL_ERR(priv, "Failed to initialize OTP access.\n"); ret = -ENOENT; @@ -707,7 +707,7 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev) CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK); /* traversing the linked list if no shadow ram supported */ if (!priv->cfg->base_params->shadow_ram_support) { - if (iwl_find_otp_image(priv, &validblockaddr)) { + if (iwl_find_otp_image(bus(priv), &validblockaddr)) { ret = -ENOENT; goto done; } @@ -716,7 +716,7 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev) addr += sizeof(u16)) { __le16 eeprom_data; - ret = iwl_read_otp_word(priv, addr, &eeprom_data); + ret = iwl_read_otp_word(bus(priv), addr, &eeprom_data); if (ret) goto done; e[cache_addr / 2] = eeprom_data; @@ -744,13 +744,13 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev) } IWL_DEBUG_EEPROM(priv, "NVM Type: %s, version: 0x%x\n", - (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) + (trans(priv)->nvm_device_type == NVM_DEVICE_TYPE_OTP) ? "OTP" : "EEPROM", iwl_eeprom_query16(priv, EEPROM_VERSION)); ret = 0; done: - iwl_eeprom_release_semaphore(priv); + iwl_eeprom_release_semaphore(bus(priv)); err: if (ret) diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h deleted file mode 100644 index 968fc66e3506..000000000000 --- a/drivers/net/wireless/iwlwifi/iwl-helpers.h +++ /dev/null @@ -1,72 +0,0 @@ -/****************************************************************************** - * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. - * - * Portions of this file are derived from the ipw3945 project, as well - * as portions of the ieee80211 subsystem header files. - * - * 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 - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of 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 LICENSE. - * - * Contact Information: - * Intel Linux Wireless <ilw@linux.intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - *****************************************************************************/ - -#ifndef __iwl_helpers_h__ -#define __iwl_helpers_h__ - -#include <linux/ctype.h> -#include <net/mac80211.h> - -#include "iwl-io.h" - -static inline struct ieee80211_conf *ieee80211_get_hw_conf( - struct ieee80211_hw *hw) -{ - return &hw->conf; -} - -static inline void iwl_enable_rfkill_int(struct iwl_priv *priv) -{ - IWL_DEBUG_ISR(priv, "Enabling rfkill interrupt\n"); - iwl_write32(bus(priv), CSR_INT_MASK, CSR_INT_BIT_RF_KILL); -} - -/** - * iwl_beacon_time_mask_low - mask of lower 32 bit of beacon time - * @priv -- pointer to iwl_priv data structure - * @tsf_bits -- number of bits need to shift for masking) - */ -static inline u32 iwl_beacon_time_mask_low(struct iwl_priv *priv, - u16 tsf_bits) -{ - return (1 << tsf_bits) - 1; -} - -/** - * iwl_beacon_time_mask_high - mask of higher 32 bit of beacon time - * @priv -- pointer to iwl_priv data structure - * @tsf_bits -- number of bits need to shift for masking) - */ -static inline u32 iwl_beacon_time_mask_high(struct iwl_priv *priv, - u16 tsf_bits) -{ - return ((1 << (32 - tsf_bits)) - 1) << tsf_bits; -} - -#endif /* __iwl_helpers_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-io.c b/drivers/net/wireless/iwlwifi/iwl-io.c index 3ffa8e62b856..3464cad7e38c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-io.c +++ b/drivers/net/wireless/iwlwifi/iwl-io.c @@ -143,7 +143,7 @@ u32 iwl_read_direct32(struct iwl_bus *bus, u32 reg) spin_lock_irqsave(&bus->reg_lock, flags); iwl_grab_nic_access(bus); - value = iwl_read32(bus(bus), reg); + value = iwl_read32(bus, reg); iwl_release_nic_access(bus); spin_unlock_irqrestore(&bus->reg_lock, flags); diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c index f149165e8010..eb541735296c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-led.c +++ b/drivers/net/wireless/iwlwifi/iwl-led.c @@ -202,8 +202,7 @@ void iwl_leds_init(struct iwl_priv *priv) break; } - ret = led_classdev_register(priv->bus->dev, - &priv->led); + ret = led_classdev_register(bus(priv)->dev, &priv->led); if (ret) { kfree(priv->led.name); return; diff --git a/drivers/net/wireless/iwlwifi/iwl-mac80211.c b/drivers/net/wireless/iwlwifi/iwl-mac80211.c new file mode 100644 index 000000000000..05b1f0d2f387 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-mac80211.c @@ -0,0 +1,1632 @@ +/****************************************************************************** + * + * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * + * Portions of this file are derived from the ipw3945 project, as well + * as portions of the ieee80211 subsystem header files. + * + * 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 + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of 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 LICENSE. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + *****************************************************************************/ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/dma-mapping.h> +#include <linux/delay.h> +#include <linux/sched.h> +#include <linux/skbuff.h> +#include <linux/netdevice.h> +#include <linux/firmware.h> +#include <linux/etherdevice.h> +#include <linux/if_arp.h> + +#include <net/mac80211.h> + +#include <asm/div64.h> + +#include "iwl-eeprom.h" +#include "iwl-dev.h" +#include "iwl-core.h" +#include "iwl-io.h" +#include "iwl-agn-calib.h" +#include "iwl-agn.h" +#include "iwl-shared.h" +#include "iwl-bus.h" +#include "iwl-trans.h" + +/***************************************************************************** + * + * mac80211 entry point functions + * + *****************************************************************************/ + +static const struct ieee80211_iface_limit iwlagn_sta_ap_limits[] = { + { + .max = 1, + .types = BIT(NL80211_IFTYPE_STATION), + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_AP), + }, +}; + +static const struct ieee80211_iface_limit iwlagn_2sta_limits[] = { + { + .max = 2, + .types = BIT(NL80211_IFTYPE_STATION), + }, +}; + +static const struct ieee80211_iface_limit iwlagn_p2p_sta_go_limits[] = { + { + .max = 1, + .types = BIT(NL80211_IFTYPE_STATION), + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_AP), + }, +}; + +static const struct ieee80211_iface_limit iwlagn_p2p_2sta_limits[] = { + { + .max = 2, + .types = BIT(NL80211_IFTYPE_STATION), + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_CLIENT), + }, +}; + +static const struct ieee80211_iface_combination +iwlagn_iface_combinations_dualmode[] = { + { .num_different_channels = 1, + .max_interfaces = 2, + .beacon_int_infra_match = true, + .limits = iwlagn_sta_ap_limits, + .n_limits = ARRAY_SIZE(iwlagn_sta_ap_limits), + }, + { .num_different_channels = 1, + .max_interfaces = 2, + .limits = iwlagn_2sta_limits, + .n_limits = ARRAY_SIZE(iwlagn_2sta_limits), + }, +}; + +static const struct ieee80211_iface_combination +iwlagn_iface_combinations_p2p[] = { + { .num_different_channels = 1, + .max_interfaces = 2, + .beacon_int_infra_match = true, + .limits = iwlagn_p2p_sta_go_limits, + .n_limits = ARRAY_SIZE(iwlagn_p2p_sta_go_limits), + }, + { .num_different_channels = 1, + .max_interfaces = 2, + .limits = iwlagn_p2p_2sta_limits, + .n_limits = ARRAY_SIZE(iwlagn_p2p_2sta_limits), + }, +}; + +/* + * Not a mac80211 entry point function, but it fits in with all the + * other mac80211 functions grouped here. + */ +int iwlagn_mac_setup_register(struct iwl_priv *priv, + struct iwlagn_ucode_capabilities *capa) +{ + int ret; + struct ieee80211_hw *hw = priv->hw; + struct iwl_rxon_context *ctx; + + hw->rate_control_algorithm = "iwl-agn-rs"; + + /* Tell mac80211 our characteristics */ + hw->flags = IEEE80211_HW_SIGNAL_DBM | + IEEE80211_HW_AMPDU_AGGREGATION | + IEEE80211_HW_NEED_DTIM_PERIOD | + IEEE80211_HW_SPECTRUM_MGMT | + IEEE80211_HW_REPORTS_TX_ACK_STATUS; + + /* + * Including the following line will crash some AP's. This + * workaround removes the stimulus which causes the crash until + * the AP software can be fixed. + hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF; + */ + + hw->flags |= IEEE80211_HW_SUPPORTS_PS | + IEEE80211_HW_SUPPORTS_DYNAMIC_PS; + + if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE) + hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS | + IEEE80211_HW_SUPPORTS_STATIC_SMPS; + + if (capa->flags & IWL_UCODE_TLV_FLAGS_MFP) + hw->flags |= IEEE80211_HW_MFP_CAPABLE; + + hw->sta_data_size = sizeof(struct iwl_station_priv); + hw->vif_data_size = sizeof(struct iwl_vif_priv); + + for_each_context(priv, ctx) { + hw->wiphy->interface_modes |= ctx->interface_modes; + hw->wiphy->interface_modes |= ctx->exclusive_interface_modes; + } + + BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); + + if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)) { + hw->wiphy->iface_combinations = iwlagn_iface_combinations_p2p; + hw->wiphy->n_iface_combinations = + ARRAY_SIZE(iwlagn_iface_combinations_p2p); + } else if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { + hw->wiphy->iface_combinations = + iwlagn_iface_combinations_dualmode; + hw->wiphy->n_iface_combinations = + ARRAY_SIZE(iwlagn_iface_combinations_dualmode); + } + + hw->wiphy->max_remain_on_channel_duration = 1000; + + hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | + WIPHY_FLAG_DISABLE_BEACON_HINTS | + WIPHY_FLAG_IBSS_RSN; + + if (trans(priv)->ucode_wowlan.code.len && + device_can_wakeup(bus(priv)->dev)) { + hw->wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | + WIPHY_WOWLAN_DISCONNECT | + WIPHY_WOWLAN_EAP_IDENTITY_REQ | + WIPHY_WOWLAN_RFKILL_RELEASE; + if (!iwlagn_mod_params.sw_crypto) + hw->wiphy->wowlan.flags |= + WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | + WIPHY_WOWLAN_GTK_REKEY_FAILURE; + + hw->wiphy->wowlan.n_patterns = IWLAGN_WOWLAN_MAX_PATTERNS; + hw->wiphy->wowlan.pattern_min_len = + IWLAGN_WOWLAN_MIN_PATTERN_LEN; + hw->wiphy->wowlan.pattern_max_len = + IWLAGN_WOWLAN_MAX_PATTERN_LEN; + } + + if (iwlagn_mod_params.power_save) + hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; + else + hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; + + hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; + /* we create the 802.11 header and a zero-length SSID element */ + hw->wiphy->max_scan_ie_len = capa->max_probe_length - 24 - 2; + + /* Default value; 4 EDCA QOS priorities */ + hw->queues = 4; + + hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; + + if (priv->bands[IEEE80211_BAND_2GHZ].n_channels) + priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = + &priv->bands[IEEE80211_BAND_2GHZ]; + if (priv->bands[IEEE80211_BAND_5GHZ].n_channels) + priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = + &priv->bands[IEEE80211_BAND_5GHZ]; + + iwl_leds_init(priv); + + ret = ieee80211_register_hw(priv->hw); + if (ret) { + IWL_ERR(priv, "Failed to register hw (error %d)\n", ret); + return ret; + } + priv->mac80211_registered = 1; + + return 0; +} + +static int __iwl_up(struct iwl_priv *priv) +{ + struct iwl_rxon_context *ctx; + int ret; + + lockdep_assert_held(&priv->shrd->mutex); + + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { + IWL_WARN(priv, "Exit pending; will not bring the NIC up\n"); + return -EIO; + } + + for_each_context(priv, ctx) { + ret = iwlagn_alloc_bcast_station(priv, ctx); + if (ret) { + iwl_dealloc_bcast_stations(priv); + return ret; + } + } + + ret = iwlagn_run_init_ucode(priv); + if (ret) { + IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret); + goto error; + } + + ret = iwlagn_load_ucode_wait_alive(priv, IWL_UCODE_REGULAR); + if (ret) { + IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret); + goto error; + } + + ret = iwl_alive_start(priv); + if (ret) + goto error; + return 0; + + error: + set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); + __iwl_down(priv); + clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status); + + IWL_ERR(priv, "Unable to initialize device.\n"); + return ret; +} + +static int iwlagn_mac_start(struct ieee80211_hw *hw) +{ + struct iwl_priv *priv = hw->priv; + int ret; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + + /* we should be verifying the device is ready to be opened */ + mutex_lock(&priv->shrd->mutex); + ret = __iwl_up(priv); + mutex_unlock(&priv->shrd->mutex); + if (ret) + return ret; + + IWL_DEBUG_INFO(priv, "Start UP work done.\n"); + + /* Now we should be done, and the READY bit should be set. */ + if (WARN_ON(!test_bit(STATUS_READY, &priv->shrd->status))) + ret = -EIO; + + iwlagn_led_enable(priv); + + priv->is_open = 1; + IWL_DEBUG_MAC80211(priv, "leave\n"); + return 0; +} + +static void iwlagn_mac_stop(struct ieee80211_hw *hw) +{ + struct iwl_priv *priv = hw->priv; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + + if (!priv->is_open) + return; + + priv->is_open = 0; + + iwl_down(priv); + + flush_workqueue(priv->shrd->workqueue); + + /* User space software may expect getting rfkill changes + * even if interface is down */ + iwl_write32(bus(priv), CSR_INT, 0xFFFFFFFF); + iwl_enable_rfkill_int(priv); + + IWL_DEBUG_MAC80211(priv, "leave\n"); +} + +static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct cfg80211_gtk_rekey_data *data) +{ + struct iwl_priv *priv = hw->priv; + + if (iwlagn_mod_params.sw_crypto) + return; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + mutex_lock(&priv->shrd->mutex); + + if (priv->contexts[IWL_RXON_CTX_BSS].vif != vif) + goto out; + + memcpy(priv->kek, data->kek, NL80211_KEK_LEN); + memcpy(priv->kck, data->kck, NL80211_KCK_LEN); + priv->replay_ctr = + cpu_to_le64(be64_to_cpup((__be64 *)&data->replay_ctr)); + priv->have_rekey_data = true; + + out: + mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); +} + +#ifdef CONFIG_PM_SLEEP + +static int iwlagn_mac_suspend(struct ieee80211_hw *hw, + struct cfg80211_wowlan *wowlan) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; + int ret; + + if (WARN_ON(!wowlan)) + return -EINVAL; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + mutex_lock(&priv->shrd->mutex); + + /* Don't attempt WoWLAN when not associated, tear down instead. */ + if (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION || + !iwl_is_associated_ctx(ctx)) { + ret = 1; + goto out; + } + + ret = iwlagn_suspend(priv, hw, wowlan); + if (ret) + goto error; + + device_set_wakeup_enable(bus(priv)->dev, true); + + /* Now let the ucode operate on its own */ + iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_SET, + CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); + + goto out; + + error: + priv->shrd->wowlan = false; + iwlagn_prepare_restart(priv); + ieee80211_restart_hw(priv->hw); + out: + mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); + + return ret; +} + +static int iwlagn_mac_resume(struct ieee80211_hw *hw) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; + struct ieee80211_vif *vif; + unsigned long flags; + u32 base, status = 0xffffffff; + int ret = -EIO; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + mutex_lock(&priv->shrd->mutex); + + iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, + CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); + + base = priv->device_pointers.error_event_table; + if (iwlagn_hw_valid_rtc_data_addr(base)) { + spin_lock_irqsave(&bus(priv)->reg_lock, flags); + ret = iwl_grab_nic_access_silent(bus(priv)); + if (ret == 0) { + iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, base); + status = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); + iwl_release_nic_access(bus(priv)); + } + spin_unlock_irqrestore(&bus(priv)->reg_lock, flags); + +#ifdef CONFIG_IWLWIFI_DEBUGFS + if (ret == 0) { + struct iwl_trans *trans = trans(priv); + if (!priv->wowlan_sram) + priv->wowlan_sram = + kzalloc(trans->ucode_wowlan.data.len, + GFP_KERNEL); + + if (priv->wowlan_sram) + _iwl_read_targ_mem_words( + bus(priv), 0x800000, priv->wowlan_sram, + trans->ucode_wowlan.data.len / 4); + } +#endif + } + + /* we'll clear ctx->vif during iwlagn_prepare_restart() */ + vif = ctx->vif; + + priv->shrd->wowlan = false; + + device_set_wakeup_enable(bus(priv)->dev, false); + + iwlagn_prepare_restart(priv); + + memset((void *)&ctx->active, 0, sizeof(ctx->active)); + iwl_connection_init_rx_config(priv, ctx); + iwlagn_set_rxon_chain(priv, ctx); + + mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); + + ieee80211_resume_disconnect(vif); + + return 1; +} + +#endif + +static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) +{ + struct iwl_priv *priv = hw->priv; + + IWL_DEBUG_MACDUMP(priv, "enter\n"); + + IWL_DEBUG_TX(priv, "dev->xmit(%d bytes) at rate 0x%02x\n", skb->len, + ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate); + + if (iwlagn_tx_skb(priv, skb)) + dev_kfree_skb_any(skb); + + IWL_DEBUG_MACDUMP(priv, "leave\n"); +} + +static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_key_conf *keyconf, + struct ieee80211_sta *sta, + u32 iv32, u16 *phase1key) +{ + struct iwl_priv *priv = hw->priv; + + iwl_update_tkip_key(priv, vif, keyconf, sta, iv32, phase1key); +} + +static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; + struct iwl_rxon_context *ctx = vif_priv->ctx; + int ret; + bool is_default_wep_key = false; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + + if (iwlagn_mod_params.sw_crypto) { + IWL_DEBUG_MAC80211(priv, "leave - hwcrypto disabled\n"); + return -EOPNOTSUPP; + } + + /* + * We could program these keys into the hardware as well, but we + * don't expect much multicast traffic in IBSS and having keys + * for more stations is probably more useful. + * + * Mark key TX-only and return 0. + */ + if (vif->type == NL80211_IFTYPE_ADHOC && + !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) { + key->hw_key_idx = WEP_INVALID_OFFSET; + return 0; + } + + /* If they key was TX-only, accept deletion */ + if (cmd == DISABLE_KEY && key->hw_key_idx == WEP_INVALID_OFFSET) + return 0; + + mutex_lock(&priv->shrd->mutex); + iwl_scan_cancel_timeout(priv, 100); + + BUILD_BUG_ON(WEP_INVALID_OFFSET == IWLAGN_HW_KEY_DEFAULT); + + /* + * If we are getting WEP group key and we didn't receive any key mapping + * so far, we are in legacy wep mode (group key only), otherwise we are + * in 1X mode. + * In legacy wep mode, we use another host command to the uCode. + */ + if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || + key->cipher == WLAN_CIPHER_SUITE_WEP104) && !sta) { + if (cmd == SET_KEY) + is_default_wep_key = !ctx->key_mapping_keys; + else + is_default_wep_key = + key->hw_key_idx == IWLAGN_HW_KEY_DEFAULT; + } + + + switch (cmd) { + case SET_KEY: + if (is_default_wep_key) { + ret = iwl_set_default_wep_key(priv, vif_priv->ctx, key); + break; + } + ret = iwl_set_dynamic_key(priv, vif_priv->ctx, key, sta); + if (ret) { + /* + * can't add key for RX, but we don't need it + * in the device for TX so still return 0 + */ + ret = 0; + key->hw_key_idx = WEP_INVALID_OFFSET; + } + + IWL_DEBUG_MAC80211(priv, "enable hwcrypto key\n"); + break; + case DISABLE_KEY: + if (is_default_wep_key) + ret = iwl_remove_default_wep_key(priv, ctx, key); + else + ret = iwl_remove_dynamic_key(priv, ctx, key, sta); + + IWL_DEBUG_MAC80211(priv, "disable hwcrypto key\n"); + break; + default: + ret = -EINVAL; + } + + mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); + + return ret; +} + +static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum ieee80211_ampdu_mlme_action action, + struct ieee80211_sta *sta, u16 tid, u16 *ssn, + u8 buf_size) +{ + struct iwl_priv *priv = hw->priv; + int ret = -EINVAL; + struct iwl_station_priv *sta_priv = (void *) sta->drv_priv; + struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); + + IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n", + sta->addr, tid); + + if (!(priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE)) + return -EACCES; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + mutex_lock(&priv->shrd->mutex); + + switch (action) { + case IEEE80211_AMPDU_RX_START: + IWL_DEBUG_HT(priv, "start Rx\n"); + ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn); + break; + case IEEE80211_AMPDU_RX_STOP: + IWL_DEBUG_HT(priv, "stop Rx\n"); + ret = iwl_sta_rx_agg_stop(priv, sta, tid); + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + ret = 0; + break; + case IEEE80211_AMPDU_TX_START: + IWL_DEBUG_HT(priv, "start Tx\n"); + ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn); + break; + case IEEE80211_AMPDU_TX_STOP: + IWL_DEBUG_HT(priv, "stop Tx\n"); + ret = iwlagn_tx_agg_stop(priv, vif, sta, tid); + if ((ret == 0) && (priv->agg_tids_count > 0)) { + priv->agg_tids_count--; + IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", + priv->agg_tids_count); + } + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + ret = 0; + if (!priv->agg_tids_count && priv->cfg->ht_params && + priv->cfg->ht_params->use_rts_for_aggregation) { + /* + * switch off RTS/CTS if it was previously enabled + */ + sta_priv->lq_sta.lq.general_params.flags &= + ~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; + iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), + &sta_priv->lq_sta.lq, CMD_ASYNC, false); + } + break; + case IEEE80211_AMPDU_TX_OPERATIONAL: + buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF); + + iwl_trans_tx_agg_setup(trans(priv), ctx->ctxid, iwl_sta_id(sta), + tid, buf_size); + + /* + * If the limit is 0, then it wasn't initialised yet, + * use the default. We can do that since we take the + * minimum below, and we don't want to go above our + * default due to hardware restrictions. + */ + if (sta_priv->max_agg_bufsize == 0) + sta_priv->max_agg_bufsize = + LINK_QUAL_AGG_FRAME_LIMIT_DEF; + + /* + * Even though in theory the peer could have different + * aggregation reorder buffer sizes for different sessions, + * our ucode doesn't allow for that and has a global limit + * for each station. Therefore, use the minimum of all the + * aggregation sessions and our default value. + */ + sta_priv->max_agg_bufsize = + min(sta_priv->max_agg_bufsize, buf_size); + + if (priv->cfg->ht_params && + priv->cfg->ht_params->use_rts_for_aggregation) { + /* + * switch to RTS/CTS if it is the prefer protection + * method for HT traffic + */ + + sta_priv->lq_sta.lq.general_params.flags |= + LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; + } + priv->agg_tids_count++; + IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", + priv->agg_tids_count); + + sta_priv->lq_sta.lq.agg_params.agg_frame_cnt_limit = + sta_priv->max_agg_bufsize; + + iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), + &sta_priv->lq_sta.lq, CMD_ASYNC, false); + + IWL_INFO(priv, "Tx aggregation enabled on ra = %pM tid = %d\n", + sta->addr, tid); + ret = 0; + break; + } + mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); + return ret; +} + +static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; + struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; + bool is_ap = vif->type == NL80211_IFTYPE_STATION; + int ret = 0; + u8 sta_id; + + IWL_DEBUG_MAC80211(priv, "received request to add station %pM\n", + sta->addr); + mutex_lock(&priv->shrd->mutex); + IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n", + sta->addr); + sta_priv->sta_id = IWL_INVALID_STATION; + + atomic_set(&sta_priv->pending_frames, 0); + if (vif->type == NL80211_IFTYPE_AP) + sta_priv->client = true; + + ret = iwl_add_station_common(priv, vif_priv->ctx, sta->addr, + is_ap, sta, &sta_id); + if (ret) { + IWL_ERR(priv, "Unable to add station %pM (%d)\n", + sta->addr, ret); + /* Should we return success if return code is EEXIST ? */ + goto out; + } + + sta_priv->sta_id = sta_id; + + /* Initialize rate scaling */ + IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n", + sta->addr); + iwl_rs_rate_init(priv, sta, sta_id); + out: + mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); + + return ret; +} + +static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, + struct ieee80211_channel_switch *ch_switch) +{ + struct iwl_priv *priv = hw->priv; + const struct iwl_channel_info *ch_info; + struct ieee80211_conf *conf = &hw->conf; + struct ieee80211_channel *channel = ch_switch->channel; + struct iwl_ht_config *ht_conf = &priv->current_ht_config; + /* + * MULTI-FIXME + * When we add support for multiple interfaces, we need to + * revisit this. The channel switch command in the device + * only affects the BSS context, but what does that really + * mean? And what if we get a CSA on the second interface? + * This needs a lot of work. + */ + struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; + u16 ch; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + + mutex_lock(&priv->shrd->mutex); + + if (iwl_is_rfkill(priv->shrd)) + goto out; + + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) || + test_bit(STATUS_SCANNING, &priv->shrd->status) || + test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status)) + goto out; + + if (!iwl_is_associated_ctx(ctx)) + goto out; + + if (!priv->cfg->lib->set_channel_switch) + goto out; + + ch = channel->hw_value; + if (le16_to_cpu(ctx->active.channel) == ch) + goto out; + + ch_info = iwl_get_channel_info(priv, channel->band, ch); + if (!is_channel_valid(ch_info)) { + IWL_DEBUG_MAC80211(priv, "invalid channel\n"); + goto out; + } + + spin_lock_irq(&priv->shrd->lock); + + priv->current_ht_config.smps = conf->smps_mode; + + /* Configure HT40 channels */ + ctx->ht.enabled = conf_is_ht(conf); + if (ctx->ht.enabled) { + if (conf_is_ht40_minus(conf)) { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_BELOW; + ctx->ht.is_40mhz = true; + } else if (conf_is_ht40_plus(conf)) { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_ABOVE; + ctx->ht.is_40mhz = true; + } else { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_NONE; + ctx->ht.is_40mhz = false; + } + } else + ctx->ht.is_40mhz = false; + + if ((le16_to_cpu(ctx->staging.channel) != ch)) + ctx->staging.flags = 0; + + iwl_set_rxon_channel(priv, channel, ctx); + iwl_set_rxon_ht(priv, ht_conf); + iwl_set_flags_for_band(priv, ctx, channel->band, ctx->vif); + + spin_unlock_irq(&priv->shrd->lock); + + iwl_set_rate(priv); + /* + * at this point, staging_rxon has the + * configuration for channel switch + */ + set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); + priv->switch_channel = cpu_to_le16(ch); + if (priv->cfg->lib->set_channel_switch(priv, ch_switch)) { + clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); + priv->switch_channel = 0; + ieee80211_chswitch_done(ctx->vif, false); + } + +out: + mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); +} + +static void iwlagn_configure_filter(struct ieee80211_hw *hw, + unsigned int changed_flags, + unsigned int *total_flags, + u64 multicast) +{ + struct iwl_priv *priv = hw->priv; + __le32 filter_or = 0, filter_nand = 0; + struct iwl_rxon_context *ctx; + +#define CHK(test, flag) do { \ + if (*total_flags & (test)) \ + filter_or |= (flag); \ + else \ + filter_nand |= (flag); \ + } while (0) + + IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n", + changed_flags, *total_flags); + + CHK(FIF_OTHER_BSS | FIF_PROMISC_IN_BSS, RXON_FILTER_PROMISC_MSK); + /* Setting _just_ RXON_FILTER_CTL2HOST_MSK causes FH errors */ + CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK); + CHK(FIF_BCN_PRBRESP_PROMISC, RXON_FILTER_BCON_AWARE_MSK); + +#undef CHK + + mutex_lock(&priv->shrd->mutex); + + for_each_context(priv, ctx) { + ctx->staging.filter_flags &= ~filter_nand; + ctx->staging.filter_flags |= filter_or; + + /* + * Not committing directly because hardware can perform a scan, + * but we'll eventually commit the filter flags change anyway. + */ + } + + mutex_unlock(&priv->shrd->mutex); + + /* + * Receiving all multicast frames is always enabled by the + * default flags setup in iwl_connection_init_rx_config() + * since we currently do not support programming multicast + * filters into the device. + */ + *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | FIF_PROMISC_IN_BSS | + FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL; +} + +static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop) +{ + struct iwl_priv *priv = hw->priv; + + mutex_lock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "enter\n"); + + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { + IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n"); + goto done; + } + if (iwl_is_rfkill(priv->shrd)) { + IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n"); + goto done; + } + + /* + * mac80211 will not push any more frames for transmit + * until the flush is completed + */ + if (drop) { + IWL_DEBUG_MAC80211(priv, "send flush command\n"); + if (iwlagn_txfifo_flush(priv, IWL_DROP_ALL)) { + IWL_ERR(priv, "flush request fail\n"); + goto done; + } + } + IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n"); + iwl_trans_wait_tx_queue_empty(trans(priv)); +done: + mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); +} + +static int iwlagn_mac_remain_on_channel(struct ieee80211_hw *hw, + struct ieee80211_channel *channel, + enum nl80211_channel_type channel_type, + int duration) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; + int err = 0; + + if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN))) + return -EOPNOTSUPP; + + if (!(ctx->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT))) + return -EOPNOTSUPP; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + mutex_lock(&priv->shrd->mutex); + + if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { + err = -EBUSY; + goto out; + } + + priv->hw_roc_channel = channel; + priv->hw_roc_chantype = channel_type; + /* convert from ms to TU */ + priv->hw_roc_duration = DIV_ROUND_UP(1000 * duration, 1024); + priv->hw_roc_start_notified = false; + cancel_delayed_work(&priv->hw_roc_disable_work); + + if (!ctx->is_active) { + static const struct iwl_qos_info default_qos_data = { + .def_qos_parm = { + .ac[0] = { + .cw_min = cpu_to_le16(3), + .cw_max = cpu_to_le16(7), + .aifsn = 2, + .edca_txop = cpu_to_le16(1504), + }, + .ac[1] = { + .cw_min = cpu_to_le16(7), + .cw_max = cpu_to_le16(15), + .aifsn = 2, + .edca_txop = cpu_to_le16(3008), + }, + .ac[2] = { + .cw_min = cpu_to_le16(15), + .cw_max = cpu_to_le16(1023), + .aifsn = 3, + }, + .ac[3] = { + .cw_min = cpu_to_le16(15), + .cw_max = cpu_to_le16(1023), + .aifsn = 7, + }, + }, + }; + + ctx->is_active = true; + ctx->qos_data = default_qos_data; + ctx->staging.dev_type = RXON_DEV_TYPE_P2P; + memcpy(ctx->staging.node_addr, + priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr, + ETH_ALEN); + memcpy(ctx->staging.bssid_addr, + priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr, + ETH_ALEN); + err = iwlagn_commit_rxon(priv, ctx); + if (err) + goto out; + ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK | + RXON_FILTER_PROMISC_MSK | + RXON_FILTER_CTL2HOST_MSK; + + err = iwlagn_commit_rxon(priv, ctx); + if (err) { + iwlagn_disable_roc(priv); + goto out; + } + priv->hw_roc_setup = true; + } + + err = iwl_scan_initiate(priv, ctx->vif, IWL_SCAN_ROC, channel->band); + if (err) + iwlagn_disable_roc(priv); + + out: + mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); + + return err; +} + +static int iwlagn_mac_cancel_remain_on_channel(struct ieee80211_hw *hw) +{ + struct iwl_priv *priv = hw->priv; + + if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN))) + return -EOPNOTSUPP; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + mutex_lock(&priv->shrd->mutex); + iwl_scan_cancel_timeout(priv, priv->hw_roc_duration); + iwlagn_disable_roc(priv); + mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); + + return 0; +} + +static int iwlagn_mac_tx_sync(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + const u8 *bssid, + enum ieee80211_tx_sync_type type) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; + struct iwl_rxon_context *ctx = vif_priv->ctx; + int ret; + u8 sta_id; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + mutex_lock(&priv->shrd->mutex); + + if (iwl_is_associated_ctx(ctx)) { + ret = 0; + goto out; + } + + if (ctx->preauth_bssid || test_bit(STATUS_SCAN_HW, + &priv->shrd->status)) { + ret = -EBUSY; + goto out; + } + + ret = iwl_add_station_common(priv, ctx, bssid, true, NULL, &sta_id); + if (ret) + goto out; + + if (WARN_ON(sta_id != ctx->ap_sta_id)) { + ret = -EIO; + goto out_remove_sta; + } + + memcpy(ctx->bssid, bssid, ETH_ALEN); + ctx->preauth_bssid = true; + + ret = iwlagn_commit_rxon(priv, ctx); + + if (ret == 0) + goto out; + + out_remove_sta: + iwl_remove_station(priv, sta_id, bssid); + out: + mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); + + return ret; +} + +static void iwlagn_mac_finish_tx_sync(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + const u8 *bssid, + enum ieee80211_tx_sync_type type) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; + struct iwl_rxon_context *ctx = vif_priv->ctx; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + mutex_lock(&priv->shrd->mutex); + + if (iwl_is_associated_ctx(ctx)) + goto out; + + iwl_remove_station(priv, ctx->ap_sta_id, bssid); + ctx->preauth_bssid = false; + /* no need to commit */ + out: + mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); +} + +static void iwlagn_mac_rssi_callback(struct ieee80211_hw *hw, + enum ieee80211_rssi_event rssi_event) +{ + struct iwl_priv *priv = hw->priv; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + mutex_lock(&priv->shrd->mutex); + + if (priv->cfg->bt_params && + priv->cfg->bt_params->advanced_bt_coexist) { + if (rssi_event == RSSI_EVENT_LOW) + priv->bt_enable_pspoll = true; + else if (rssi_event == RSSI_EVENT_HIGH) + priv->bt_enable_pspoll = false; + + iwlagn_send_advance_bt_config(priv); + } else { + IWL_DEBUG_MAC80211(priv, "Advanced BT coex disabled," + "ignoring RSSI callback\n"); + } + + mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); +} + +static int iwlagn_mac_set_tim(struct ieee80211_hw *hw, + struct ieee80211_sta *sta, bool set) +{ + struct iwl_priv *priv = hw->priv; + + queue_work(priv->shrd->workqueue, &priv->beacon_update); + + return 0; +} + +static int iwlagn_mac_conf_tx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, u16 queue, + const struct ieee80211_tx_queue_params *params) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; + struct iwl_rxon_context *ctx = vif_priv->ctx; + unsigned long flags; + int q; + + if (WARN_ON(!ctx)) + return -EINVAL; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + + if (!iwl_is_ready_rf(priv->shrd)) { + IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n"); + return -EIO; + } + + if (queue >= AC_NUM) { + IWL_DEBUG_MAC80211(priv, "leave - queue >= AC_NUM %d\n", queue); + return 0; + } + + q = AC_NUM - 1 - queue; + + spin_lock_irqsave(&priv->shrd->lock, flags); + + ctx->qos_data.def_qos_parm.ac[q].cw_min = + cpu_to_le16(params->cw_min); + ctx->qos_data.def_qos_parm.ac[q].cw_max = + cpu_to_le16(params->cw_max); + ctx->qos_data.def_qos_parm.ac[q].aifsn = params->aifs; + ctx->qos_data.def_qos_parm.ac[q].edca_txop = + cpu_to_le16((params->txop * 32)); + + ctx->qos_data.def_qos_parm.ac[q].reserved1 = 0; + + spin_unlock_irqrestore(&priv->shrd->lock, flags); + + IWL_DEBUG_MAC80211(priv, "leave\n"); + return 0; +} + +static int iwlagn_mac_tx_last_beacon(struct ieee80211_hw *hw) +{ + struct iwl_priv *priv = hw->priv; + + return priv->ibss_manager == IWL_IBSS_MANAGER; +} + +static int iwl_set_mode(struct iwl_priv *priv, struct iwl_rxon_context *ctx) +{ + iwl_connection_init_rx_config(priv, ctx); + + iwlagn_set_rxon_chain(priv, ctx); + + return iwlagn_commit_rxon(priv, ctx); +} + +static int iwl_setup_interface(struct iwl_priv *priv, + struct iwl_rxon_context *ctx) +{ + struct ieee80211_vif *vif = ctx->vif; + int err; + + lockdep_assert_held(&priv->shrd->mutex); + + /* + * This variable will be correct only when there's just + * a single context, but all code using it is for hardware + * that supports only one context. + */ + priv->iw_mode = vif->type; + + ctx->is_active = true; + + err = iwl_set_mode(priv, ctx); + if (err) { + if (!ctx->always_active) + ctx->is_active = false; + return err; + } + + if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist && + vif->type == NL80211_IFTYPE_ADHOC) { + /* + * pretend to have high BT traffic as long as we + * are operating in IBSS mode, as this will cause + * the rate scaling etc. to behave as intended. + */ + priv->bt_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_HIGH; + } + + return 0; +} + +static int iwlagn_mac_add_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; + struct iwl_rxon_context *tmp, *ctx = NULL; + int err; + enum nl80211_iftype viftype = ieee80211_vif_type_p2p(vif); + + IWL_DEBUG_MAC80211(priv, "enter: type %d, addr %pM\n", + viftype, vif->addr); + + cancel_delayed_work_sync(&priv->hw_roc_disable_work); + + mutex_lock(&priv->shrd->mutex); + + iwlagn_disable_roc(priv); + + if (!iwl_is_ready_rf(priv->shrd)) { + IWL_WARN(priv, "Try to add interface when device not ready\n"); + err = -EINVAL; + goto out; + } + + for_each_context(priv, tmp) { + u32 possible_modes = + tmp->interface_modes | tmp->exclusive_interface_modes; + + if (tmp->vif) { + /* check if this busy context is exclusive */ + if (tmp->exclusive_interface_modes & + BIT(tmp->vif->type)) { + err = -EINVAL; + goto out; + } + continue; + } + + if (!(possible_modes & BIT(viftype))) + continue; + + /* have maybe usable context w/o interface */ + ctx = tmp; + break; + } + + if (!ctx) { + err = -EOPNOTSUPP; + goto out; + } + + vif_priv->ctx = ctx; + ctx->vif = vif; + + err = iwl_setup_interface(priv, ctx); + if (!err) + goto out; + + ctx->vif = NULL; + priv->iw_mode = NL80211_IFTYPE_STATION; + out: + mutex_unlock(&priv->shrd->mutex); + + IWL_DEBUG_MAC80211(priv, "leave\n"); + return err; +} + +static void iwl_teardown_interface(struct iwl_priv *priv, + struct ieee80211_vif *vif, + bool mode_change) +{ + struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); + + lockdep_assert_held(&priv->shrd->mutex); + + if (priv->scan_vif == vif) { + iwl_scan_cancel_timeout(priv, 200); + iwl_force_scan_end(priv); + } + + if (!mode_change) { + iwl_set_mode(priv, ctx); + if (!ctx->always_active) + ctx->is_active = false; + } + + /* + * When removing the IBSS interface, overwrite the + * BT traffic load with the stored one from the last + * notification, if any. If this is a device that + * doesn't implement this, this has no effect since + * both values are the same and zero. + */ + if (vif->type == NL80211_IFTYPE_ADHOC) + priv->bt_traffic_load = priv->last_bt_traffic_load; +} + +static void iwlagn_mac_remove_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); + + IWL_DEBUG_MAC80211(priv, "enter\n"); + + mutex_lock(&priv->shrd->mutex); + + if (WARN_ON(ctx->vif != vif)) { + struct iwl_rxon_context *tmp; + IWL_ERR(priv, "ctx->vif = %p, vif = %p\n", ctx->vif, vif); + for_each_context(priv, tmp) + IWL_ERR(priv, "\tID = %d:\tctx = %p\tctx->vif = %p\n", + tmp->ctxid, tmp, tmp->vif); + } + ctx->vif = NULL; + + iwl_teardown_interface(priv, vif, false); + + mutex_unlock(&priv->shrd->mutex); + + IWL_DEBUG_MAC80211(priv, "leave\n"); + +} + +static int iwlagn_mac_change_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum nl80211_iftype newtype, bool newp2p) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); + struct iwl_rxon_context *bss_ctx = &priv->contexts[IWL_RXON_CTX_BSS]; + struct iwl_rxon_context *tmp; + enum nl80211_iftype newviftype = newtype; + u32 interface_modes; + int err; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + + newtype = ieee80211_iftype_p2p(newtype, newp2p); + + mutex_lock(&priv->shrd->mutex); + + if (!ctx->vif || !iwl_is_ready_rf(priv->shrd)) { + /* + * Huh? But wait ... this can maybe happen when + * we're in the middle of a firmware restart! + */ + err = -EBUSY; + goto out; + } + + interface_modes = ctx->interface_modes | ctx->exclusive_interface_modes; + + if (!(interface_modes & BIT(newtype))) { + err = -EBUSY; + goto out; + } + + /* + * Refuse a change that should be done by moving from the PAN + * context to the BSS context instead, if the BSS context is + * available and can support the new interface type. + */ + if (ctx->ctxid == IWL_RXON_CTX_PAN && !bss_ctx->vif && + (bss_ctx->interface_modes & BIT(newtype) || + bss_ctx->exclusive_interface_modes & BIT(newtype))) { + BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); + err = -EBUSY; + goto out; + } + + if (ctx->exclusive_interface_modes & BIT(newtype)) { + for_each_context(priv, tmp) { + if (ctx == tmp) + continue; + + if (!tmp->vif) + continue; + + /* + * The current mode switch would be exclusive, but + * another context is active ... refuse the switch. + */ + err = -EBUSY; + goto out; + } + } + + /* success */ + iwl_teardown_interface(priv, vif, true); + vif->type = newviftype; + vif->p2p = newp2p; + err = iwl_setup_interface(priv, ctx); + WARN_ON(err); + /* + * We've switched internally, but submitting to the + * device may have failed for some reason. Mask this + * error, because otherwise mac80211 will not switch + * (and set the interface type back) and we'll be + * out of sync with it. + */ + err = 0; + + out: + mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); + + return err; +} + +static int iwlagn_mac_hw_scan(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct cfg80211_scan_request *req) +{ + struct iwl_priv *priv = hw->priv; + int ret; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + + if (req->n_channels == 0) + return -EINVAL; + + mutex_lock(&priv->shrd->mutex); + + /* + * If an internal scan is in progress, just set + * up the scan_request as per above. + */ + if (priv->scan_type != IWL_SCAN_NORMAL) { + IWL_DEBUG_SCAN(priv, + "SCAN request during internal scan - defer\n"); + priv->scan_request = req; + priv->scan_vif = vif; + ret = 0; + } else { + priv->scan_request = req; + priv->scan_vif = vif; + /* + * mac80211 will only ask for one band at a time + * so using channels[0] here is ok + */ + ret = iwl_scan_initiate(priv, vif, IWL_SCAN_NORMAL, + req->channels[0]->band); + if (ret) { + priv->scan_request = NULL; + priv->scan_vif = NULL; + } + } + + IWL_DEBUG_MAC80211(priv, "leave\n"); + + mutex_unlock(&priv->shrd->mutex); + + return ret; +} + +static int iwlagn_mac_sta_remove(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; + int ret; + + IWL_DEBUG_MAC80211(priv, "enter: received request to remove " + "station %pM\n", sta->addr); + mutex_lock(&priv->shrd->mutex); + IWL_DEBUG_INFO(priv, "proceeding to remove station %pM\n", + sta->addr); + ret = iwl_remove_station(priv, sta_priv->sta_id, sta->addr); + if (ret) + IWL_DEBUG_QUIET_RFKILL(priv, "Error removing station %pM\n", + sta->addr); + mutex_unlock(&priv->shrd->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); + + return ret; +} + +static void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id) +{ + unsigned long flags; + + spin_lock_irqsave(&priv->shrd->sta_lock, flags); + priv->stations[sta_id].sta.station_flags &= ~STA_FLG_PWR_SAVE_MSK; + priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK; + priv->stations[sta_id].sta.sta.modify_mask = 0; + priv->stations[sta_id].sta.sleep_tx_count = 0; + priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; + iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + +} + +static void iwlagn_mac_sta_notify(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum sta_notify_cmd cmd, + struct ieee80211_sta *sta) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; + int sta_id; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + + switch (cmd) { + case STA_NOTIFY_SLEEP: + WARN_ON(!sta_priv->client); + sta_priv->asleep = true; + if (atomic_read(&sta_priv->pending_frames) > 0) + ieee80211_sta_block_awake(hw, sta, true); + break; + case STA_NOTIFY_AWAKE: + WARN_ON(!sta_priv->client); + if (!sta_priv->asleep) + break; + sta_priv->asleep = false; + sta_id = iwl_sta_id(sta); + if (sta_id != IWL_INVALID_STATION) + iwl_sta_modify_ps_wake(priv, sta_id); + break; + default: + break; + } + IWL_DEBUG_MAC80211(priv, "leave\n"); +} + +struct ieee80211_ops iwlagn_hw_ops = { + .tx = iwlagn_mac_tx, + .start = iwlagn_mac_start, + .stop = iwlagn_mac_stop, +#ifdef CONFIG_PM_SLEEP + .suspend = iwlagn_mac_suspend, + .resume = iwlagn_mac_resume, +#endif + .add_interface = iwlagn_mac_add_interface, + .remove_interface = iwlagn_mac_remove_interface, + .change_interface = iwlagn_mac_change_interface, + .config = iwlagn_mac_config, + .configure_filter = iwlagn_configure_filter, + .set_key = iwlagn_mac_set_key, + .update_tkip_key = iwlagn_mac_update_tkip_key, + .set_rekey_data = iwlagn_mac_set_rekey_data, + .conf_tx = iwlagn_mac_conf_tx, + .bss_info_changed = iwlagn_bss_info_changed, + .ampdu_action = iwlagn_mac_ampdu_action, + .hw_scan = iwlagn_mac_hw_scan, + .sta_notify = iwlagn_mac_sta_notify, + .sta_add = iwlagn_mac_sta_add, + .sta_remove = iwlagn_mac_sta_remove, + .channel_switch = iwlagn_mac_channel_switch, + .flush = iwlagn_mac_flush, + .tx_last_beacon = iwlagn_mac_tx_last_beacon, + .remain_on_channel = iwlagn_mac_remain_on_channel, + .cancel_remain_on_channel = iwlagn_mac_cancel_remain_on_channel, + .rssi_callback = iwlagn_mac_rssi_callback, + CFG80211_TESTMODE_CMD(iwlagn_mac_testmode_cmd) + CFG80211_TESTMODE_DUMP(iwlagn_mac_testmode_dump) + .tx_sync = iwlagn_mac_tx_sync, + .finish_tx_sync = iwlagn_mac_finish_tx_sync, + .set_tim = iwlagn_mac_set_tim, +}; + +/* This function both allocates and initializes hw and priv. */ +struct ieee80211_hw *iwl_alloc_all(void) +{ + struct iwl_priv *priv; + /* mac80211 allocates memory for this device instance, including + * space for this driver's private structure */ + struct ieee80211_hw *hw; + + hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), &iwlagn_hw_ops); + if (!hw) + goto out; + + priv = hw->priv; + priv->hw = hw; + +out: + return hw; +} diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c index 1d7bb7423f94..850ec8e51b17 100644 --- a/drivers/net/wireless/iwlwifi/iwl-pci.c +++ b/drivers/net/wireless/iwlwifi/iwl-pci.c @@ -60,6 +60,7 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *****************************************************************************/ +#include <linux/module.h> #include <linux/pci.h> #include <linux/pci-aspm.h> @@ -254,6 +255,9 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x0085, 0x1316, iwl6005_2abg_cfg)}, {IWL_PCI_DEVICE(0x0082, 0xC020, iwl6005_2agn_sff_cfg)}, {IWL_PCI_DEVICE(0x0085, 0xC220, iwl6005_2agn_sff_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0x1341, iwl6005_2agn_d_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0x1304, iwl6005_2agn_cfg)},/* low 5GHz active */ + {IWL_PCI_DEVICE(0x0082, 0x1305, iwl6005_2agn_cfg)},/* high 5GHz active */ /* 6x30 Series */ {IWL_PCI_DEVICE(0x008A, 0x5305, iwl1030_bgn_cfg)}, @@ -323,45 +327,28 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x0890, 0x4022, iwl2000_2bgn_cfg)}, {IWL_PCI_DEVICE(0x0891, 0x4222, iwl2000_2bgn_cfg)}, {IWL_PCI_DEVICE(0x0890, 0x4422, iwl2000_2bgn_cfg)}, - {IWL_PCI_DEVICE(0x0890, 0x4026, iwl2000_2bg_cfg)}, - {IWL_PCI_DEVICE(0x0891, 0x4226, iwl2000_2bg_cfg)}, - {IWL_PCI_DEVICE(0x0890, 0x4426, iwl2000_2bg_cfg)}, {IWL_PCI_DEVICE(0x0890, 0x4822, iwl2000_2bgn_d_cfg)}, /* 2x30 Series */ {IWL_PCI_DEVICE(0x0887, 0x4062, iwl2030_2bgn_cfg)}, {IWL_PCI_DEVICE(0x0888, 0x4262, iwl2030_2bgn_cfg)}, {IWL_PCI_DEVICE(0x0887, 0x4462, iwl2030_2bgn_cfg)}, - {IWL_PCI_DEVICE(0x0887, 0x4066, iwl2030_2bg_cfg)}, - {IWL_PCI_DEVICE(0x0888, 0x4266, iwl2030_2bg_cfg)}, - {IWL_PCI_DEVICE(0x0887, 0x4466, iwl2030_2bg_cfg)}, /* 6x35 Series */ {IWL_PCI_DEVICE(0x088E, 0x4060, iwl6035_2agn_cfg)}, {IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)}, {IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)}, - {IWL_PCI_DEVICE(0x088E, 0x4064, iwl6035_2abg_cfg)}, - {IWL_PCI_DEVICE(0x088F, 0x4264, iwl6035_2abg_cfg)}, - {IWL_PCI_DEVICE(0x088E, 0x4464, iwl6035_2abg_cfg)}, - {IWL_PCI_DEVICE(0x088E, 0x4066, iwl6035_2bg_cfg)}, - {IWL_PCI_DEVICE(0x088F, 0x4266, iwl6035_2bg_cfg)}, - {IWL_PCI_DEVICE(0x088E, 0x4466, iwl6035_2bg_cfg)}, /* 105 Series */ {IWL_PCI_DEVICE(0x0894, 0x0022, iwl105_bgn_cfg)}, {IWL_PCI_DEVICE(0x0895, 0x0222, iwl105_bgn_cfg)}, {IWL_PCI_DEVICE(0x0894, 0x0422, iwl105_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0894, 0x0026, iwl105_bg_cfg)}, - {IWL_PCI_DEVICE(0x0895, 0x0226, iwl105_bg_cfg)}, - {IWL_PCI_DEVICE(0x0894, 0x0426, iwl105_bg_cfg)}, + {IWL_PCI_DEVICE(0x0894, 0x0822, iwl105_bgn_d_cfg)}, /* 135 Series */ {IWL_PCI_DEVICE(0x0892, 0x0062, iwl135_bgn_cfg)}, {IWL_PCI_DEVICE(0x0893, 0x0262, iwl135_bgn_cfg)}, {IWL_PCI_DEVICE(0x0892, 0x0462, iwl135_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0892, 0x0066, iwl135_bg_cfg)}, - {IWL_PCI_DEVICE(0x0893, 0x0266, iwl135_bg_cfg)}, - {IWL_PCI_DEVICE(0x0892, 0x0466, iwl135_bg_cfg)}, {0} }; @@ -443,10 +430,9 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00); err = pci_enable_msi(pdev); - if (err) { - dev_printk(KERN_ERR, &pdev->dev, "pci_enable_msi failed"); - goto out_iounmap; - } + if (err) + dev_printk(KERN_ERR, &pdev->dev, + "pci_enable_msi failed(0X%x)", err); /* TODO: Move this away, not needed if not MSI */ /* enable rfkill interrupt: hw bug w/a */ @@ -467,7 +453,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) out_disable_msi: pci_disable_msi(pdev); -out_iounmap: pci_iounmap(pdev, pci_bus->hw_base); out_pci_release_regions: pci_set_drvdata(pdev, NULL); diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c index 62cd781192b0..4eaab204322d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.c +++ b/drivers/net/wireless/iwlwifi/iwl-power.c @@ -436,7 +436,7 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force) /* initialize to default */ void iwl_power_initialize(struct iwl_priv *priv) { - priv->power_data.bus_pm = bus_get_pm_support(priv->bus); + priv->power_data.bus_pm = bus_get_pm_support(bus(priv)); priv->power_data.debug_sleep_level_override = -1; diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index c5c95d5319b1..359d2182757b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -33,9 +33,7 @@ #include "iwl-eeprom.h" #include "iwl-dev.h" #include "iwl-core.h" -#include "iwl-sta.h" #include "iwl-io.h" -#include "iwl-helpers.h" #include "iwl-agn.h" #include "iwl-trans.h" @@ -418,6 +416,8 @@ static u16 iwl_limit_dwell(struct iwl_priv *priv, u16 dwell_time) if (!iwl_is_associated_ctx(ctx)) continue; + if (ctx->staging.dev_type == RXON_DEV_TYPE_P2P) + continue; value = ctx->beacon_int; if (!value) value = IWL_PASSIVE_DWELL_BASE; @@ -680,7 +680,8 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) priv->contexts[IWL_RXON_CTX_BSS].active.flags & RXON_FLG_CHANNEL_MODE_MSK) >> RXON_FLG_CHANNEL_MODE_POS; - if (chan_mod == CHANNEL_MODE_PURE_40) { + if ((priv->scan_request && priv->scan_request->no_cck) || + chan_mod == CHANNEL_MODE_PURE_40) { rate = IWL_RATE_6M_PLCP; } else { rate = IWL_RATE_1M_PLCP; @@ -940,51 +941,6 @@ int __must_check iwl_scan_initiate(struct iwl_priv *priv, return 0; } -int iwl_mac_hw_scan(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct cfg80211_scan_request *req) -{ - struct iwl_priv *priv = hw->priv; - int ret; - - IWL_DEBUG_MAC80211(priv, "enter\n"); - - if (req->n_channels == 0) - return -EINVAL; - - mutex_lock(&priv->shrd->mutex); - - /* - * If an internal scan is in progress, just set - * up the scan_request as per above. - */ - if (priv->scan_type != IWL_SCAN_NORMAL) { - IWL_DEBUG_SCAN(priv, - "SCAN request during internal scan - defer\n"); - priv->scan_request = req; - priv->scan_vif = vif; - ret = 0; - } else { - priv->scan_request = req; - priv->scan_vif = vif; - /* - * mac80211 will only ask for one band at a time - * so using channels[0] here is ok - */ - ret = iwl_scan_initiate(priv, vif, IWL_SCAN_NORMAL, - req->channels[0]->band); - if (ret) { - priv->scan_request = NULL; - priv->scan_vif = NULL; - } - } - - IWL_DEBUG_MAC80211(priv, "leave\n"); - - mutex_unlock(&priv->shrd->mutex); - - return ret; -} /* * internal short scan, this function should only been called while associated. diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h index 3a24b477b8fb..47be77a8a0a7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-shared.h +++ b/drivers/net/wireless/iwlwifi/iwl-shared.h @@ -165,7 +165,6 @@ struct iwl_mod_params { * @rx_chains_num: Number of RX chains * @valid_tx_ant: usable antennas for TX * @valid_rx_ant: usable antennas for RX - * @max_stations: the maximal number of stations * @ht40_channel: is 40MHz width possible: BIT(IEEE80211_BAND_XXX) * @sku: sku read from EEPROM * @rx_page_order: Rx buffer page order @@ -175,7 +174,6 @@ struct iwl_mod_params { * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit * relevant for 1000, 6000 and up * @wd_timeout: TX queues watchdog timeout - * @calib_init_cfg: setup initial calibrations for the hw * @calib_rt_cfg: setup runtime calibrations for the hw * @struct iwl_sensitivity_ranges: range of sensitivity values */ @@ -186,7 +184,6 @@ struct iwl_hw_params { u8 rx_chains_num; u8 valid_tx_ant; u8 valid_rx_ant; - u8 max_stations; u8 ht40_channel; bool shadow_reg_enable; u16 sku; @@ -197,7 +194,6 @@ struct iwl_hw_params { u32 ct_kill_exit_threshold; unsigned int wd_timeout; - u32 calib_init_cfg; u32 calib_rt_cfg; const struct iwl_sensitivity_ranges *sens; }; diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c deleted file mode 100644 index 580a4d702ff3..000000000000 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ /dev/null @@ -1,835 +0,0 @@ -/****************************************************************************** - * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. - * - * Portions of this file are derived from the ipw3945 project, as well - * as portions of the ieee80211 subsystem header files. - * - * 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 - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of 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 LICENSE. - * - * Contact Information: - * Intel Linux Wireless <ilw@linux.intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - *****************************************************************************/ - -#include <net/mac80211.h> -#include <linux/etherdevice.h> -#include <linux/sched.h> -#include <linux/lockdep.h> - -#include "iwl-dev.h" -#include "iwl-core.h" -#include "iwl-sta.h" -#include "iwl-trans.h" -#include "iwl-agn.h" - -/* priv->shrd->sta_lock must be held */ -static void iwl_sta_ucode_activate(struct iwl_priv *priv, u8 sta_id) -{ - - if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) - IWL_ERR(priv, "ACTIVATE a non DRIVER active station id %u addr %pM\n", - sta_id, priv->stations[sta_id].sta.sta.addr); - - if (priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE) { - IWL_DEBUG_ASSOC(priv, - "STA id %u addr %pM already present in uCode (according to driver)\n", - sta_id, priv->stations[sta_id].sta.sta.addr); - } else { - priv->stations[sta_id].used |= IWL_STA_UCODE_ACTIVE; - IWL_DEBUG_ASSOC(priv, "Added STA id %u addr %pM to uCode\n", - sta_id, priv->stations[sta_id].sta.sta.addr); - } -} - -static int iwl_process_add_sta_resp(struct iwl_priv *priv, - struct iwl_addsta_cmd *addsta, - struct iwl_rx_packet *pkt) -{ - u8 sta_id = addsta->sta.sta_id; - unsigned long flags; - int ret = -EIO; - - if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - IWL_ERR(priv, "Bad return from REPLY_ADD_STA (0x%08X)\n", - pkt->hdr.flags); - return ret; - } - - IWL_DEBUG_INFO(priv, "Processing response for adding station %u\n", - sta_id); - - spin_lock_irqsave(&priv->shrd->sta_lock, flags); - - switch (pkt->u.add_sta.status) { - case ADD_STA_SUCCESS_MSK: - IWL_DEBUG_INFO(priv, "REPLY_ADD_STA PASSED\n"); - iwl_sta_ucode_activate(priv, sta_id); - ret = 0; - break; - case ADD_STA_NO_ROOM_IN_TABLE: - IWL_ERR(priv, "Adding station %d failed, no room in table.\n", - sta_id); - break; - case ADD_STA_NO_BLOCK_ACK_RESOURCE: - IWL_ERR(priv, "Adding station %d failed, no block ack resource.\n", - sta_id); - break; - case ADD_STA_MODIFY_NON_EXIST_STA: - IWL_ERR(priv, "Attempting to modify non-existing station %d\n", - sta_id); - break; - default: - IWL_DEBUG_ASSOC(priv, "Received REPLY_ADD_STA:(0x%08X)\n", - pkt->u.add_sta.status); - break; - } - - IWL_DEBUG_INFO(priv, "%s station id %u addr %pM\n", - priv->stations[sta_id].sta.mode == - STA_CONTROL_MODIFY_MSK ? "Modified" : "Added", - sta_id, priv->stations[sta_id].sta.sta.addr); - - /* - * XXX: The MAC address in the command buffer is often changed from - * the original sent to the device. That is, the MAC address - * written to the command buffer often is not the same MAC address - * read from the command buffer when the command returns. This - * issue has not yet been resolved and this debugging is left to - * observe the problem. - */ - IWL_DEBUG_INFO(priv, "%s station according to cmd buffer %pM\n", - priv->stations[sta_id].sta.mode == - STA_CONTROL_MODIFY_MSK ? "Modified" : "Added", - addsta->sta.addr); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); - - return ret; -} - -int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, - struct iwl_device_cmd *cmd) -{ - struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_addsta_cmd *addsta = - (struct iwl_addsta_cmd *) cmd->payload; - - return iwl_process_add_sta_resp(priv, addsta, pkt); -} - -static u16 iwlagn_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data) -{ - u16 size = (u16)sizeof(struct iwl_addsta_cmd); - struct iwl_addsta_cmd *addsta = (struct iwl_addsta_cmd *)data; - memcpy(addsta, cmd, size); - /* resrved in 5000 */ - addsta->rate_n_flags = cpu_to_le16(0); - return size; -} - -int iwl_send_add_sta(struct iwl_priv *priv, - struct iwl_addsta_cmd *sta, u8 flags) -{ - int ret = 0; - u8 data[sizeof(*sta)]; - struct iwl_host_cmd cmd = { - .id = REPLY_ADD_STA, - .flags = flags, - .data = { data, }, - }; - u8 sta_id __maybe_unused = sta->sta.sta_id; - - IWL_DEBUG_INFO(priv, "Adding sta %u (%pM) %ssynchronously\n", - sta_id, sta->sta.addr, flags & CMD_ASYNC ? "a" : ""); - - if (!(flags & CMD_ASYNC)) { - cmd.flags |= CMD_WANT_SKB; - might_sleep(); - } - - cmd.len[0] = iwlagn_build_addsta_hcmd(sta, data); - ret = iwl_trans_send_cmd(trans(priv), &cmd); - - if (ret || (flags & CMD_ASYNC)) - return ret; - /*else the command was successfully sent in SYNC mode, need to free - * the reply page */ - - iwl_free_pages(priv->shrd, cmd.reply_page); - - if (cmd.handler_status) - IWL_ERR(priv, "%s - error in the CMD response %d", __func__, - cmd.handler_status); - - return cmd.handler_status; -} - -static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index, - struct ieee80211_sta *sta, - struct iwl_rxon_context *ctx) -{ - struct ieee80211_sta_ht_cap *sta_ht_inf = &sta->ht_cap; - __le32 sta_flags; - u8 mimo_ps_mode; - - if (!sta || !sta_ht_inf->ht_supported) - goto done; - - mimo_ps_mode = (sta_ht_inf->cap & IEEE80211_HT_CAP_SM_PS) >> 2; - IWL_DEBUG_ASSOC(priv, "spatial multiplexing power save mode: %s\n", - (mimo_ps_mode == WLAN_HT_CAP_SM_PS_STATIC) ? - "static" : - (mimo_ps_mode == WLAN_HT_CAP_SM_PS_DYNAMIC) ? - "dynamic" : "disabled"); - - sta_flags = priv->stations[index].sta.station_flags; - - sta_flags &= ~(STA_FLG_RTS_MIMO_PROT_MSK | STA_FLG_MIMO_DIS_MSK); - - switch (mimo_ps_mode) { - case WLAN_HT_CAP_SM_PS_STATIC: - sta_flags |= STA_FLG_MIMO_DIS_MSK; - break; - case WLAN_HT_CAP_SM_PS_DYNAMIC: - sta_flags |= STA_FLG_RTS_MIMO_PROT_MSK; - break; - case WLAN_HT_CAP_SM_PS_DISABLED: - break; - default: - IWL_WARN(priv, "Invalid MIMO PS mode %d\n", mimo_ps_mode); - break; - } - - sta_flags |= cpu_to_le32( - (u32)sta_ht_inf->ampdu_factor << STA_FLG_MAX_AGG_SIZE_POS); - - sta_flags |= cpu_to_le32( - (u32)sta_ht_inf->ampdu_density << STA_FLG_AGG_MPDU_DENSITY_POS); - - if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap)) - sta_flags |= STA_FLG_HT40_EN_MSK; - else - sta_flags &= ~STA_FLG_HT40_EN_MSK; - - priv->stations[index].sta.station_flags = sta_flags; - done: - return; -} - -/** - * iwl_prep_station - Prepare station information for addition - * - * should be called with sta_lock held - */ -u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, - const u8 *addr, bool is_ap, struct ieee80211_sta *sta) -{ - struct iwl_station_entry *station; - int i; - u8 sta_id = IWL_INVALID_STATION; - - if (is_ap) - sta_id = ctx->ap_sta_id; - else if (is_broadcast_ether_addr(addr)) - sta_id = ctx->bcast_sta_id; - else - for (i = IWL_STA_ID; - i < hw_params(priv).max_stations; i++) { - if (!compare_ether_addr(priv->stations[i].sta.sta.addr, - addr)) { - sta_id = i; - break; - } - - if (!priv->stations[i].used && - sta_id == IWL_INVALID_STATION) - sta_id = i; - } - - /* - * These two conditions have the same outcome, but keep them - * separate - */ - if (unlikely(sta_id == IWL_INVALID_STATION)) - return sta_id; - - /* - * uCode is not able to deal with multiple requests to add a - * station. Keep track if one is in progress so that we do not send - * another. - */ - if (priv->stations[sta_id].used & IWL_STA_UCODE_INPROGRESS) { - IWL_DEBUG_INFO(priv, "STA %d already in process of being added.\n", - sta_id); - return sta_id; - } - - if ((priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE) && - (priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE) && - !compare_ether_addr(priv->stations[sta_id].sta.sta.addr, addr)) { - IWL_DEBUG_ASSOC(priv, "STA %d (%pM) already added, not adding again.\n", - sta_id, addr); - return sta_id; - } - - station = &priv->stations[sta_id]; - station->used = IWL_STA_DRIVER_ACTIVE; - IWL_DEBUG_ASSOC(priv, "Add STA to driver ID %d: %pM\n", - sta_id, addr); - priv->num_stations++; - - /* Set up the REPLY_ADD_STA command to send to device */ - memset(&station->sta, 0, sizeof(struct iwl_addsta_cmd)); - memcpy(station->sta.sta.addr, addr, ETH_ALEN); - station->sta.mode = 0; - station->sta.sta.sta_id = sta_id; - station->sta.station_flags = ctx->station_flags; - station->ctxid = ctx->ctxid; - - if (sta) { - struct iwl_station_priv *sta_priv; - - sta_priv = (void *)sta->drv_priv; - sta_priv->ctx = ctx; - } - - /* - * OK to call unconditionally, since local stations (IBSS BSSID - * STA and broadcast STA) pass in a NULL sta, and mac80211 - * doesn't allow HT IBSS. - */ - iwl_set_ht_add_station(priv, sta_id, sta, ctx); - - return sta_id; - -} - -#define STA_WAIT_TIMEOUT (HZ/2) - -/** - * iwl_add_station_common - - */ -int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, - const u8 *addr, bool is_ap, - struct ieee80211_sta *sta, u8 *sta_id_r) -{ - unsigned long flags_spin; - int ret = 0; - u8 sta_id; - struct iwl_addsta_cmd sta_cmd; - - *sta_id_r = 0; - spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); - sta_id = iwl_prep_station(priv, ctx, addr, is_ap, sta); - if (sta_id == IWL_INVALID_STATION) { - IWL_ERR(priv, "Unable to prepare station %pM for addition\n", - addr); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); - return -EINVAL; - } - - /* - * uCode is not able to deal with multiple requests to add a - * station. Keep track if one is in progress so that we do not send - * another. - */ - if (priv->stations[sta_id].used & IWL_STA_UCODE_INPROGRESS) { - IWL_DEBUG_INFO(priv, "STA %d already in process of being added.\n", - sta_id); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); - return -EEXIST; - } - - if ((priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE) && - (priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE)) { - IWL_DEBUG_ASSOC(priv, "STA %d (%pM) already added, not adding again.\n", - sta_id, addr); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); - return -EEXIST; - } - - priv->stations[sta_id].used |= IWL_STA_UCODE_INPROGRESS; - memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd)); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); - - /* Add station to device's station table */ - ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); - if (ret) { - spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); - IWL_ERR(priv, "Adding station %pM failed.\n", - priv->stations[sta_id].sta.sta.addr); - priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; - priv->stations[sta_id].used &= ~IWL_STA_UCODE_INPROGRESS; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); - } - *sta_id_r = sta_id; - return ret; -} - -/** - * iwl_sta_ucode_deactivate - deactivate ucode status for a station - * - * priv->shrd->sta_lock must be held - */ -static void iwl_sta_ucode_deactivate(struct iwl_priv *priv, u8 sta_id) -{ - /* Ucode must be active and driver must be non active */ - if ((priv->stations[sta_id].used & - (IWL_STA_UCODE_ACTIVE | IWL_STA_DRIVER_ACTIVE)) != IWL_STA_UCODE_ACTIVE) - IWL_ERR(priv, "removed non active STA %u\n", sta_id); - - priv->stations[sta_id].used &= ~IWL_STA_UCODE_ACTIVE; - - memset(&priv->stations[sta_id], 0, sizeof(struct iwl_station_entry)); - IWL_DEBUG_ASSOC(priv, "Removed STA %u\n", sta_id); -} - -static int iwl_send_remove_station(struct iwl_priv *priv, - const u8 *addr, int sta_id, - bool temporary) -{ - struct iwl_rx_packet *pkt; - int ret; - - unsigned long flags_spin; - struct iwl_rem_sta_cmd rm_sta_cmd; - - struct iwl_host_cmd cmd = { - .id = REPLY_REMOVE_STA, - .len = { sizeof(struct iwl_rem_sta_cmd), }, - .flags = CMD_SYNC, - .data = { &rm_sta_cmd, }, - }; - - memset(&rm_sta_cmd, 0, sizeof(rm_sta_cmd)); - rm_sta_cmd.num_sta = 1; - memcpy(&rm_sta_cmd.addr, addr, ETH_ALEN); - - cmd.flags |= CMD_WANT_SKB; - - ret = iwl_trans_send_cmd(trans(priv), &cmd); - - if (ret) - return ret; - - pkt = (struct iwl_rx_packet *)cmd.reply_page; - if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - IWL_ERR(priv, "Bad return from REPLY_REMOVE_STA (0x%08X)\n", - pkt->hdr.flags); - ret = -EIO; - } - - if (!ret) { - switch (pkt->u.rem_sta.status) { - case REM_STA_SUCCESS_MSK: - if (!temporary) { - spin_lock_irqsave(&priv->shrd->sta_lock, - flags_spin); - iwl_sta_ucode_deactivate(priv, sta_id); - spin_unlock_irqrestore(&priv->shrd->sta_lock, - flags_spin); - } - IWL_DEBUG_ASSOC(priv, "REPLY_REMOVE_STA PASSED\n"); - break; - default: - ret = -EIO; - IWL_ERR(priv, "REPLY_REMOVE_STA failed\n"); - break; - } - } - iwl_free_pages(priv->shrd, cmd.reply_page); - - return ret; -} - -/** - * iwl_remove_station - Remove driver's knowledge of station. - */ -int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, - const u8 *addr) -{ - unsigned long flags; - - if (!iwl_is_ready(priv->shrd)) { - IWL_DEBUG_INFO(priv, - "Unable to remove station %pM, device not ready.\n", - addr); - /* - * It is typical for stations to be removed when we are - * going down. Return success since device will be down - * soon anyway - */ - return 0; - } - - IWL_DEBUG_ASSOC(priv, "Removing STA from driver:%d %pM\n", - sta_id, addr); - - if (WARN_ON(sta_id == IWL_INVALID_STATION)) - return -EINVAL; - - spin_lock_irqsave(&priv->shrd->sta_lock, flags); - - if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) { - IWL_DEBUG_INFO(priv, "Removing %pM but non DRIVER active\n", - addr); - goto out_err; - } - - if (!(priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE)) { - IWL_DEBUG_INFO(priv, "Removing %pM but non UCODE active\n", - addr); - goto out_err; - } - - if (priv->stations[sta_id].used & IWL_STA_LOCAL) { - kfree(priv->stations[sta_id].lq); - priv->stations[sta_id].lq = NULL; - } - - priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; - - priv->num_stations--; - - if (WARN_ON(priv->num_stations < 0)) - priv->num_stations = 0; - - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); - - return iwl_send_remove_station(priv, addr, sta_id, false); -out_err: - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); - return -EINVAL; -} - -/** - * iwl_clear_ucode_stations - clear ucode station table bits - * - * This function clears all the bits in the driver indicating - * which stations are active in the ucode. Call when something - * other than explicit station management would cause this in - * the ucode, e.g. unassociated RXON. - */ -void iwl_clear_ucode_stations(struct iwl_priv *priv, - struct iwl_rxon_context *ctx) -{ - int i; - unsigned long flags_spin; - bool cleared = false; - - IWL_DEBUG_INFO(priv, "Clearing ucode stations in driver\n"); - - spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); - for (i = 0; i < hw_params(priv).max_stations; i++) { - if (ctx && ctx->ctxid != priv->stations[i].ctxid) - continue; - - if (priv->stations[i].used & IWL_STA_UCODE_ACTIVE) { - IWL_DEBUG_INFO(priv, "Clearing ucode active for station %d\n", i); - priv->stations[i].used &= ~IWL_STA_UCODE_ACTIVE; - cleared = true; - } - } - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); - - if (!cleared) - IWL_DEBUG_INFO(priv, "No active stations found to be cleared\n"); -} - -/** - * iwl_restore_stations() - Restore driver known stations to device - * - * All stations considered active by driver, but not present in ucode, is - * restored. - * - * Function sleeps. - */ -void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) -{ - struct iwl_addsta_cmd sta_cmd; - struct iwl_link_quality_cmd lq; - unsigned long flags_spin; - int i; - bool found = false; - int ret; - bool send_lq; - - if (!iwl_is_ready(priv->shrd)) { - IWL_DEBUG_INFO(priv, "Not ready yet, not restoring any stations.\n"); - return; - } - - IWL_DEBUG_ASSOC(priv, "Restoring all known stations ... start.\n"); - spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); - for (i = 0; i < hw_params(priv).max_stations; i++) { - if (ctx->ctxid != priv->stations[i].ctxid) - continue; - if ((priv->stations[i].used & IWL_STA_DRIVER_ACTIVE) && - !(priv->stations[i].used & IWL_STA_UCODE_ACTIVE)) { - IWL_DEBUG_ASSOC(priv, "Restoring sta %pM\n", - priv->stations[i].sta.sta.addr); - priv->stations[i].sta.mode = 0; - priv->stations[i].used |= IWL_STA_UCODE_INPROGRESS; - found = true; - } - } - - for (i = 0; i < hw_params(priv).max_stations; i++) { - if ((priv->stations[i].used & IWL_STA_UCODE_INPROGRESS)) { - memcpy(&sta_cmd, &priv->stations[i].sta, - sizeof(struct iwl_addsta_cmd)); - send_lq = false; - if (priv->stations[i].lq) { - memcpy(&lq, priv->stations[i].lq, - sizeof(struct iwl_link_quality_cmd)); - send_lq = true; - } - spin_unlock_irqrestore(&priv->shrd->sta_lock, - flags_spin); - ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); - if (ret) { - spin_lock_irqsave(&priv->shrd->sta_lock, - flags_spin); - IWL_ERR(priv, "Adding station %pM failed.\n", - priv->stations[i].sta.sta.addr); - priv->stations[i].used &= ~IWL_STA_DRIVER_ACTIVE; - priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS; - spin_unlock_irqrestore(&priv->shrd->sta_lock, - flags_spin); - } - /* - * Rate scaling has already been initialized, send - * current LQ command - */ - if (send_lq) - iwl_send_lq_cmd(priv, ctx, &lq, CMD_SYNC, true); - spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); - priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS; - } - } - - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); - if (!found) - IWL_DEBUG_INFO(priv, "Restoring all known stations .... no stations to be restored.\n"); - else - IWL_DEBUG_INFO(priv, "Restoring all known stations .... complete.\n"); -} - -void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx) -{ - unsigned long flags; - int sta_id = ctx->ap_sta_id; - int ret; - struct iwl_addsta_cmd sta_cmd; - struct iwl_link_quality_cmd lq; - bool active; - - spin_lock_irqsave(&priv->shrd->sta_lock, flags); - if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) { - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); - return; - } - - memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(sta_cmd)); - sta_cmd.mode = 0; - memcpy(&lq, priv->stations[sta_id].lq, sizeof(lq)); - - active = priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE; - priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); - - if (active) { - ret = iwl_send_remove_station( - priv, priv->stations[sta_id].sta.sta.addr, - sta_id, true); - if (ret) - IWL_ERR(priv, "failed to remove STA %pM (%d)\n", - priv->stations[sta_id].sta.sta.addr, ret); - } - spin_lock_irqsave(&priv->shrd->sta_lock, flags); - priv->stations[sta_id].used |= IWL_STA_DRIVER_ACTIVE; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); - - ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); - if (ret) - IWL_ERR(priv, "failed to re-add STA %pM (%d)\n", - priv->stations[sta_id].sta.sta.addr, ret); - iwl_send_lq_cmd(priv, ctx, &lq, CMD_SYNC, true); -} - -int iwl_get_free_ucode_key_offset(struct iwl_priv *priv) -{ - int i; - - for (i = 0; i < priv->sta_key_max_num; i++) - if (!test_and_set_bit(i, &priv->ucode_key_table)) - return i; - - return WEP_INVALID_OFFSET; -} - -void iwl_dealloc_bcast_stations(struct iwl_priv *priv) -{ - unsigned long flags; - int i; - - spin_lock_irqsave(&priv->shrd->sta_lock, flags); - for (i = 0; i < hw_params(priv).max_stations; i++) { - if (!(priv->stations[i].used & IWL_STA_BCAST)) - continue; - - priv->stations[i].used &= ~IWL_STA_UCODE_ACTIVE; - priv->num_stations--; - if (WARN_ON(priv->num_stations < 0)) - priv->num_stations = 0; - kfree(priv->stations[i].lq); - priv->stations[i].lq = NULL; - } - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); -} - -#ifdef CONFIG_IWLWIFI_DEBUG -static void iwl_dump_lq_cmd(struct iwl_priv *priv, - struct iwl_link_quality_cmd *lq) -{ - int i; - IWL_DEBUG_RATE(priv, "lq station id 0x%x\n", lq->sta_id); - IWL_DEBUG_RATE(priv, "lq ant 0x%X 0x%X\n", - lq->general_params.single_stream_ant_msk, - lq->general_params.dual_stream_ant_msk); - - for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) - IWL_DEBUG_RATE(priv, "lq index %d 0x%X\n", - i, lq->rs_table[i].rate_n_flags); -} -#else -static inline void iwl_dump_lq_cmd(struct iwl_priv *priv, - struct iwl_link_quality_cmd *lq) -{ -} -#endif - -/** - * is_lq_table_valid() - Test one aspect of LQ cmd for validity - * - * It sometimes happens when a HT rate has been in use and we - * loose connectivity with AP then mac80211 will first tell us that the - * current channel is not HT anymore before removing the station. In such a - * scenario the RXON flags will be updated to indicate we are not - * communicating HT anymore, but the LQ command may still contain HT rates. - * Test for this to prevent driver from sending LQ command between the time - * RXON flags are updated and when LQ command is updated. - */ -static bool is_lq_table_valid(struct iwl_priv *priv, - struct iwl_rxon_context *ctx, - struct iwl_link_quality_cmd *lq) -{ - int i; - - if (ctx->ht.enabled) - return true; - - IWL_DEBUG_INFO(priv, "Channel %u is not an HT channel\n", - ctx->active.channel); - for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) { - if (le32_to_cpu(lq->rs_table[i].rate_n_flags) & RATE_MCS_HT_MSK) { - IWL_DEBUG_INFO(priv, - "index %d of LQ expects HT channel\n", - i); - return false; - } - } - return true; -} - -/** - * iwl_send_lq_cmd() - Send link quality command - * @init: This command is sent as part of station initialization right - * after station has been added. - * - * The link quality command is sent as the last step of station creation. - * This is the special case in which init is set and we call a callback in - * this case to clear the state indicating that station creation is in - * progress. - */ -int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, - struct iwl_link_quality_cmd *lq, u8 flags, bool init) -{ - int ret = 0; - unsigned long flags_spin; - - struct iwl_host_cmd cmd = { - .id = REPLY_TX_LINK_QUALITY_CMD, - .len = { sizeof(struct iwl_link_quality_cmd), }, - .flags = flags, - .data = { lq, }, - }; - - if (WARN_ON(lq->sta_id == IWL_INVALID_STATION)) - return -EINVAL; - - - spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); - if (!(priv->stations[lq->sta_id].used & IWL_STA_DRIVER_ACTIVE)) { - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); - return -EINVAL; - } - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); - - iwl_dump_lq_cmd(priv, lq); - if (WARN_ON(init && (cmd.flags & CMD_ASYNC))) - return -EINVAL; - - if (is_lq_table_valid(priv, ctx, lq)) - ret = iwl_trans_send_cmd(trans(priv), &cmd); - else - ret = -EINVAL; - - if (cmd.flags & CMD_ASYNC) - return ret; - - if (init) { - IWL_DEBUG_INFO(priv, "init LQ command complete, clearing sta addition status for sta %d\n", - lq->sta_id); - spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); - priv->stations[lq->sta_id].used &= ~IWL_STA_UCODE_INPROGRESS; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); - } - return ret; -} - -int iwl_mac_sta_remove(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_sta *sta) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; - int ret; - - IWL_DEBUG_INFO(priv, "received request to remove station %pM\n", - sta->addr); - mutex_lock(&priv->shrd->mutex); - IWL_DEBUG_INFO(priv, "proceeding to remove station %pM\n", - sta->addr); - ret = iwl_remove_station(priv, sta_priv->sta_id, sta->addr); - if (ret) - IWL_ERR(priv, "Error removing station %pM\n", - sta->addr); - mutex_unlock(&priv->shrd->mutex); - return ret; -} diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.h b/drivers/net/wireless/iwlwifi/iwl-sta.h deleted file mode 100644 index 1bca0dabde8d..000000000000 --- a/drivers/net/wireless/iwlwifi/iwl-sta.h +++ /dev/null @@ -1,141 +0,0 @@ -/****************************************************************************** - * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. - * - * Portions of this file are derived from the ipw3945 project, as well - * as portions of the ieee80211 subsystem header files. - * - * 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 - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of 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 LICENSE. - * - * Contact Information: - * Intel Linux Wireless <ilw@linux.intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - *****************************************************************************/ -#ifndef __iwl_sta_h__ -#define __iwl_sta_h__ - -#include "iwl-dev.h" - -#define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */ -#define IWL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */ -#define IWL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of - being activated */ -#define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211; - (this is for the IBSS BSSID stations) */ -#define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */ - - -void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx); -void iwl_clear_ucode_stations(struct iwl_priv *priv, - struct iwl_rxon_context *ctx); -void iwl_dealloc_bcast_stations(struct iwl_priv *priv); -int iwl_get_free_ucode_key_offset(struct iwl_priv *priv); -int iwl_send_add_sta(struct iwl_priv *priv, - struct iwl_addsta_cmd *sta, u8 flags); -int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, - const u8 *addr, bool is_ap, - struct ieee80211_sta *sta, u8 *sta_id_r); -int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, - const u8 *addr); -int iwl_mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_sta *sta); - -u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, - const u8 *addr, bool is_ap, struct ieee80211_sta *sta); - -int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, - struct iwl_link_quality_cmd *lq, u8 flags, bool init); -void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx); -int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, - struct iwl_device_cmd *cmd); - - -/** - * iwl_clear_driver_stations - clear knowledge of all stations from driver - * @priv: iwl priv struct - * - * This is called during iwl_down() to make sure that in the case - * we're coming there from a hardware restart mac80211 will be - * able to reconfigure stations -- if we're getting there in the - * normal down flow then the stations will already be cleared. - */ -static inline void iwl_clear_driver_stations(struct iwl_priv *priv) -{ - unsigned long flags; - struct iwl_rxon_context *ctx; - - spin_lock_irqsave(&priv->shrd->sta_lock, flags); - memset(priv->stations, 0, sizeof(priv->stations)); - priv->num_stations = 0; - - priv->ucode_key_table = 0; - - for_each_context(priv, ctx) { - /* - * Remove all key information that is not stored as part - * of station information since mac80211 may not have had - * a chance to remove all the keys. When device is - * reconfigured by mac80211 after an error all keys will - * be reconfigured. - */ - memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys)); - ctx->key_mapping_keys = 0; - } - - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); -} - -static inline int iwl_sta_id(struct ieee80211_sta *sta) -{ - if (WARN_ON(!sta)) - return IWL_INVALID_STATION; - - return ((struct iwl_station_priv *)sta->drv_priv)->sta_id; -} - -/** - * iwl_sta_id_or_broadcast - return sta_id or broadcast sta - * @priv: iwl priv - * @context: the current context - * @sta: mac80211 station - * - * In certain circumstances mac80211 passes a station pointer - * that may be %NULL, for example during TX or key setup. In - * that case, we need to use the broadcast station, so this - * inline wraps that pattern. - */ -static inline int iwl_sta_id_or_broadcast(struct iwl_priv *priv, - struct iwl_rxon_context *context, - struct ieee80211_sta *sta) -{ - int sta_id; - - if (!sta) - return context->bcast_sta_id; - - sta_id = iwl_sta_id(sta); - - /* - * mac80211 should not be passing a partially - * initialised station! - */ - WARN_ON(sta_id == IWL_INVALID_STATION); - - return sta_id; -} -#endif /* __iwl_sta_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-sv-open.c b/drivers/net/wireless/iwlwifi/iwl-sv-open.c index 3335d31daf89..be16cafbbc27 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sv-open.c +++ b/drivers/net/wireless/iwlwifi/iwl-sv-open.c @@ -184,7 +184,7 @@ static void iwl_trace_cleanup(struct iwl_priv *priv) if (priv->testmode_trace.trace_enabled) { if (priv->testmode_trace.cpu_addr && priv->testmode_trace.dma_addr) - dma_free_coherent(priv->bus->dev, + dma_free_coherent(bus(priv)->dev, priv->testmode_trace.total_size, priv->testmode_trace.cpu_addr, priv->testmode_trace.dma_addr); @@ -276,7 +276,7 @@ static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb) IWL_INFO(priv, "testmode register access command offset 0x%x\n", ofs); switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { - case IWL_TM_CMD_APP2DEV_REG_READ32: + case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32: val32 = iwl_read32(bus(priv), ofs); IWL_INFO(priv, "32bit value to read 0x%x\n", val32); @@ -291,7 +291,7 @@ static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb) IWL_DEBUG_INFO(priv, "Error sending msg : %d\n", status); break; - case IWL_TM_CMD_APP2DEV_REG_WRITE32: + case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32: if (!tb[IWL_TM_ATTR_REG_VALUE32]) { IWL_DEBUG_INFO(priv, "Error finding value to write\n"); @@ -302,7 +302,7 @@ static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb) iwl_write32(bus(priv), ofs, val32); } break; - case IWL_TM_CMD_APP2DEV_REG_WRITE8: + case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8: if (!tb[IWL_TM_ATTR_REG_VALUE8]) { IWL_DEBUG_INFO(priv, "Error finding value to write\n"); return -ENOMSG; @@ -312,6 +312,32 @@ static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb) iwl_write8(bus(priv), ofs, val8); } break; + case IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32: + val32 = iwl_read_prph(bus(priv), ofs); + IWL_INFO(priv, "32bit value to read 0x%x\n", val32); + + skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); + if (!skb) { + IWL_DEBUG_INFO(priv, "Error allocating memory\n"); + return -ENOMEM; + } + NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32); + status = cfg80211_testmode_reply(skb); + if (status < 0) + IWL_DEBUG_INFO(priv, + "Error sending msg : %d\n", status); + break; + case IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32: + if (!tb[IWL_TM_ATTR_REG_VALUE32]) { + IWL_DEBUG_INFO(priv, + "Error finding value to write\n"); + return -ENOMSG; + } else { + val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]); + IWL_INFO(priv, "32bit value to write 0x%x\n", val32); + iwl_write_prph(bus(priv), ofs, val32); + } + break; default: IWL_DEBUG_INFO(priv, "Unknown testmode register command ID\n"); return -ENOSYS; @@ -396,8 +422,7 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) break; case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW: - status = iwlagn_load_ucode_wait_alive(priv, &priv->ucode_init, - IWL_UCODE_INIT); + status = iwlagn_load_ucode_wait_alive(priv, IWL_UCODE_INIT); if (status) IWL_DEBUG_INFO(priv, "Error loading init ucode: %d\n", status); @@ -409,9 +434,7 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) break; case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW: - status = iwlagn_load_ucode_wait_alive(priv, - &priv->ucode_rt, - IWL_UCODE_REGULAR); + status = iwlagn_load_ucode_wait_alive(priv, IWL_UCODE_REGULAR); if (status) { IWL_DEBUG_INFO(priv, "Error loading runtime ucode: %d\n", status); @@ -484,7 +507,7 @@ static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb) struct iwl_priv *priv = hw->priv; struct sk_buff *skb; int status = 0; - struct device *dev = priv->bus->dev; + struct device *dev = bus(priv)->dev; switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { case IWL_TM_CMD_APP2DEV_BEGIN_TRACE: @@ -641,7 +664,7 @@ static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb) * @data: pointer to user space message * @len: length in byte of @data */ -int iwl_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) +int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) { struct nlattr *tb[IWL_TM_ATTR_MAX]; struct iwl_priv *priv = hw->priv; @@ -668,9 +691,11 @@ int iwl_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) IWL_DEBUG_INFO(priv, "testmode cmd to uCode\n"); result = iwl_testmode_ucode(hw, tb); break; - case IWL_TM_CMD_APP2DEV_REG_READ32: - case IWL_TM_CMD_APP2DEV_REG_WRITE32: - case IWL_TM_CMD_APP2DEV_REG_WRITE8: + case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32: + case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32: + case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8: + case IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32: + case IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32: IWL_DEBUG_INFO(priv, "testmode cmd to register\n"); result = iwl_testmode_reg(hw, tb); break; @@ -706,7 +731,7 @@ int iwl_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) return result; } -int iwl_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, +int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, struct netlink_callback *cb, void *data, int len) { diff --git a/drivers/net/wireless/iwlwifi/iwl-testmode.h b/drivers/net/wireless/iwlwifi/iwl-testmode.h index b980bda4b0f8..177964850b7c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-testmode.h +++ b/drivers/net/wireless/iwlwifi/iwl-testmode.h @@ -76,9 +76,9 @@ * the actual uCode host command ID is carried with * IWL_TM_ATTR_UCODE_CMD_ID * - * @IWL_TM_CMD_APP2DEV_REG_READ32: - * @IWL_TM_CMD_APP2DEV_REG_WRITE32: - * @IWL_TM_CMD_APP2DEV_REG_WRITE8: + * @IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32: + * @IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32: + * @IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8: * commands from user applicaiton to access register * * @IWL_TM_CMD_APP2DEV_GET_DEVICENAME: retrieve device name @@ -107,12 +107,16 @@ * commands from user application to own change the ownership of the uCode * if application has the ownership, the only host command from * testmode will deliver to uCode. Default owner is driver + * @IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32: + * @IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32: + * commands from user applicaiton to indirectly access peripheral register + * */ enum iwl_tm_cmd_t { IWL_TM_CMD_APP2DEV_UCODE = 1, - IWL_TM_CMD_APP2DEV_REG_READ32 = 2, - IWL_TM_CMD_APP2DEV_REG_WRITE32 = 3, - IWL_TM_CMD_APP2DEV_REG_WRITE8 = 4, + IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32 = 2, + IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32 = 3, + IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8 = 4, IWL_TM_CMD_APP2DEV_GET_DEVICENAME = 5, IWL_TM_CMD_APP2DEV_LOAD_INIT_FW = 6, IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB = 7, @@ -126,7 +130,9 @@ enum iwl_tm_cmd_t { IWL_TM_CMD_DEV2APP_UCODE_RX_PKT = 15, IWL_TM_CMD_DEV2APP_EEPROM_RSP = 16, IWL_TM_CMD_APP2DEV_OWNERSHIP = 17, - IWL_TM_CMD_MAX = 18, + IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32 = 18, + IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32 = 19, + IWL_TM_CMD_MAX = 20, }; /* diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h index 2b6756e8b8f9..5a384b309b09 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h @@ -354,8 +354,13 @@ static inline void iwl_set_swq_id(struct iwl_tx_queue *txq, u8 ac, u8 hwq) txq->swq_id = (hwq << 2) | ac; } +static inline u8 iwl_get_queue_ac(struct iwl_tx_queue *txq) +{ + return txq->swq_id & 0x3; +} + static inline void iwl_wake_queue(struct iwl_trans *trans, - struct iwl_tx_queue *txq) + struct iwl_tx_queue *txq, const char *msg) { u8 queue = txq->swq_id; u8 ac = queue & 3; @@ -363,13 +368,22 @@ static inline void iwl_wake_queue(struct iwl_trans *trans, struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - if (test_and_clear_bit(hwq, trans_pcie->queue_stopped)) - if (atomic_dec_return(&trans_pcie->queue_stop_count[ac]) <= 0) + if (test_and_clear_bit(hwq, trans_pcie->queue_stopped)) { + if (atomic_dec_return(&trans_pcie->queue_stop_count[ac]) <= 0) { iwl_wake_sw_queue(priv(trans), ac); + IWL_DEBUG_TX_QUEUES(trans, "Wake hwq %d ac %d. %s", + hwq, ac, msg); + } else { + IWL_DEBUG_TX_QUEUES(trans, "Don't wake hwq %d ac %d" + " stop count %d. %s", + hwq, ac, atomic_read(&trans_pcie-> + queue_stop_count[ac]), msg); + } + } } static inline void iwl_stop_queue(struct iwl_trans *trans, - struct iwl_tx_queue *txq) + struct iwl_tx_queue *txq, const char *msg) { u8 queue = txq->swq_id; u8 ac = queue & 3; @@ -377,9 +391,23 @@ static inline void iwl_stop_queue(struct iwl_trans *trans, struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - if (!test_and_set_bit(hwq, trans_pcie->queue_stopped)) - if (atomic_inc_return(&trans_pcie->queue_stop_count[ac]) > 0) + if (!test_and_set_bit(hwq, trans_pcie->queue_stopped)) { + if (atomic_inc_return(&trans_pcie->queue_stop_count[ac]) > 0) { iwl_stop_sw_queue(priv(trans), ac); + IWL_DEBUG_TX_QUEUES(trans, "Stop hwq %d ac %d" + " stop count %d. %s", + hwq, ac, atomic_read(&trans_pcie-> + queue_stop_count[ac]), msg); + } else { + IWL_DEBUG_TX_QUEUES(trans, "Don't stop hwq %d ac %d" + " stop count %d. %s", + hwq, ac, atomic_read(&trans_pcie-> + queue_stop_count[ac]), msg); + } + } else { + IWL_DEBUG_TX_QUEUES(trans, "stop hwq %d, but it is stopped/ %s", + hwq, msg); + } } #ifdef ieee80211_stop_queue diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c index b4eff556cd0a..ee126f844a5c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c @@ -33,7 +33,6 @@ /*TODO: Remove include to iwl-core.h*/ #include "iwl-core.h" #include "iwl-io.h" -#include "iwl-helpers.h" #include "iwl-trans-pcie-int.h" /****************************************************************************** @@ -1109,7 +1108,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans) isr_stats->tx++; handled |= CSR_INT_BIT_FH_TX; /* Wake up uCode load routine, now that load is complete */ - priv(trans)->ucode_write_complete = 1; + trans->ucode_write_complete = 1; wake_up(&trans->shrd->wait_command_queue); } diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c index ee7059dcbbcb..79331fb10aa5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c @@ -30,14 +30,11 @@ #include <linux/slab.h> #include <linux/sched.h> -/* TODO: remove include to iwl-dev.h */ -#include "iwl-dev.h" #include "iwl-debug.h" #include "iwl-csr.h" #include "iwl-prph.h" #include "iwl-io.h" #include "iwl-agn-hw.h" -#include "iwl-helpers.h" #include "iwl-trans-pcie-int.h" #define IWL_TX_CRC_SIZE 4 @@ -433,7 +430,7 @@ void iwl_trans_tx_queue_set_status(struct iwl_trans *trans, txq->sched_retry = scd_retry; - IWL_DEBUG_INFO(trans, "%s %s Queue %d on FIFO %d\n", + IWL_DEBUG_TX_QUEUES(trans, "%s %s Queue %d on FIFO %d\n", active ? "Activate" : "Deactivate", scd_retry ? "BA" : "AC/CMD", txq_id, tx_fifo_id); } @@ -562,14 +559,14 @@ int iwl_trans_pcie_tx_agg_alloc(struct iwl_trans *trans, tid_data->agg.txq_id = txq_id; iwl_set_swq_id(&trans_pcie->txq[txq_id], get_ac_from_tid(tid), txq_id); - tid_data = &trans->shrd->tid_data[sta_id][tid]; if (tid_data->tfds_in_queue == 0) { - IWL_DEBUG_HT(trans, "HW queue is empty\n"); + IWL_DEBUG_TX_QUEUES(trans, "HW queue is empty\n"); tid_data->agg.state = IWL_AGG_ON; iwl_start_tx_ba_trans_ready(priv(trans), ctx, sta_id, tid); } else { - IWL_DEBUG_HT(trans, "HW queue is NOT empty: %d packets in HW" - "queue\n", tid_data->tfds_in_queue); + IWL_DEBUG_TX_QUEUES(trans, + "HW queue is NOT empty: %d packets in HW" + " queue\n", tid_data->tfds_in_queue); tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA; } spin_unlock_irqrestore(&trans->shrd->sta_lock, flags); @@ -634,8 +631,11 @@ int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, case IWL_AGG_ON: break; default: - IWL_WARN(trans, "Stopping AGG while state not ON" - "or starting\n"); + IWL_WARN(trans, "Stopping AGG while state not ON " + "or starting for %d on %d (%d)\n", sta_id, tid, + trans->shrd->tid_data[sta_id][tid].agg.state); + spin_unlock_irqrestore(&trans->shrd->sta_lock, flags); + return 0; } write_ptr = trans_pcie->txq[txq_id].q.write_ptr; @@ -643,14 +643,15 @@ int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, /* The queue is not empty */ if (write_ptr != read_ptr) { - IWL_DEBUG_HT(trans, "Stopping a non empty AGG HW QUEUE\n"); + IWL_DEBUG_TX_QUEUES(trans, + "Stopping a non empty AGG HW QUEUE\n"); trans->shrd->tid_data[sta_id][tid].agg.state = IWL_EMPTYING_HW_QUEUE_DELBA; spin_unlock_irqrestore(&trans->shrd->sta_lock, flags); return 0; } - IWL_DEBUG_HT(trans, "HW queue is empty\n"); + IWL_DEBUG_TX_QUEUES(trans, "HW queue is empty\n"); turn_off: trans->shrd->tid_data[sta_id][tid].agg.state = IWL_AGG_OFF; @@ -950,6 +951,11 @@ void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_mem_buffer *rxb, iwl_hcmd_queue_reclaim(trans, txq_id, index); if (!(meta->flags & CMD_ASYNC)) { + if (!test_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status)) { + IWL_WARN(trans, + "HCMD_ACTIVE already clear for command %s\n", + get_cmd_string(cmd->hdr.cmd)); + } clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); IWL_DEBUG_INFO(trans, "Clearing HCMD_ACTIVE for command %s\n", get_cmd_string(cmd->hdr.cmd)); @@ -977,7 +983,8 @@ static int iwl_send_cmd_async(struct iwl_trans *trans, struct iwl_host_cmd *cmd) ret = iwl_enqueue_hcmd(trans, cmd); if (ret < 0) { - IWL_ERR(trans, "Error sending %s: enqueue_hcmd failed: %d\n", + IWL_DEBUG_QUIET_RFKILL(trans, + "Error sending %s: enqueue_hcmd failed: %d\n", get_cmd_string(cmd->id), ret); return ret; } @@ -995,6 +1002,20 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd) IWL_DEBUG_INFO(trans, "Attempting to send sync command %s\n", get_cmd_string(cmd->id)); + if (test_bit(STATUS_EXIT_PENDING, &trans->shrd->status)) + return -EBUSY; + + + if (test_bit(STATUS_RF_KILL_HW, &trans->shrd->status)) { + IWL_ERR(trans, "Command %s aborted: RF KILL Switch\n", + get_cmd_string(cmd->id)); + return -ECANCELED; + } + if (test_bit(STATUS_FW_ERROR, &trans->shrd->status)) { + IWL_ERR(trans, "Command %s failed: FW Error\n", + get_cmd_string(cmd->id)); + return -EIO; + } set_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); IWL_DEBUG_INFO(trans, "Setting HCMD_ACTIVE for command %s\n", get_cmd_string(cmd->id)); @@ -1003,7 +1024,8 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd) if (cmd_idx < 0) { ret = cmd_idx; clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); - IWL_ERR(trans, "Error sending %s: enqueue_hcmd failed: %d\n", + IWL_DEBUG_QUIET_RFKILL(trans, + "Error sending %s: enqueue_hcmd failed: %d\n", get_cmd_string(cmd->id), ret); return ret; } @@ -1013,11 +1035,19 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd) HOST_COMPLETE_TIMEOUT); if (!ret) { if (test_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status)) { - IWL_ERR(trans, + struct iwl_tx_queue *txq = + &trans_pcie->txq[trans->shrd->cmd_queue]; + struct iwl_queue *q = &txq->q; + + IWL_DEBUG_QUIET_RFKILL(trans, "Error sending %s: time out after %dms.\n", get_cmd_string(cmd->id), jiffies_to_msecs(HOST_COMPLETE_TIMEOUT)); + IWL_DEBUG_QUIET_RFKILL(trans, + "Current CMD queue read_ptr %d write_ptr %d\n", + q->read_ptr, q->write_ptr); + clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); IWL_DEBUG_INFO(trans, "Clearing HCMD_ACTIVE for command" "%s\n", get_cmd_string(cmd->id)); @@ -1026,18 +1056,6 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd) } } - if (test_bit(STATUS_RF_KILL_HW, &trans->shrd->status)) { - IWL_ERR(trans, "Command %s aborted: RF KILL Switch\n", - get_cmd_string(cmd->id)); - ret = -ECANCELED; - goto fail; - } - if (test_bit(STATUS_FW_ERROR, &trans->shrd->status)) { - IWL_ERR(trans, "Command %s failed: FW Error\n", - get_cmd_string(cmd->id)); - ret = -EIO; - goto fail; - } if ((cmd->flags & CMD_WANT_SKB) && !cmd->reply_page) { IWL_ERR(trans, "Error: Response NULL in '%s'\n", get_cmd_string(cmd->id)); @@ -1058,7 +1076,7 @@ cancel: trans_pcie->txq[trans->shrd->cmd_queue].meta[cmd_idx].flags &= ~CMD_WANT_SKB; } -fail: + if (cmd->reply_page) { iwl_free_pages(trans->shrd, cmd->reply_page); cmd->reply_page = 0; @@ -1102,9 +1120,6 @@ int iwl_tx_queue_reclaim(struct iwl_trans *trans, int txq_id, int index, return 0; } - IWL_DEBUG_TX_REPLY(trans, "reclaim: [%d, %d, %d]\n", txq_id, - q->read_ptr, index); - if (WARN_ON(!skb_queue_empty(skbs))) return 0; diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c index 416e9920e4d9..2ac75427f10b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c @@ -406,6 +406,8 @@ static void iwl_tx_queue_unmap(struct iwl_trans *trans, int txq_id) struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id]; struct iwl_queue *q = &txq->q; enum dma_data_direction dma_dir; + unsigned long flags; + spinlock_t *lock; if (!q->n_bd) return; @@ -413,17 +415,22 @@ static void iwl_tx_queue_unmap(struct iwl_trans *trans, int txq_id) /* In the command queue, all the TBs are mapped as BIDI * so unmap them as such. */ - if (txq_id == trans->shrd->cmd_queue) + if (txq_id == trans->shrd->cmd_queue) { dma_dir = DMA_BIDIRECTIONAL; - else + lock = &trans->hcmd_lock; + } else { dma_dir = DMA_TO_DEVICE; + lock = &trans->shrd->sta_lock; + } + spin_lock_irqsave(lock, flags); while (q->write_ptr != q->read_ptr) { /* The read_ptr needs to bound by q->n_window */ iwlagn_txq_free_tfd(trans, txq, get_cmd_index(q, q->read_ptr), dma_dir); q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd); } + spin_unlock_irqrestore(lock, flags); } /** @@ -1077,7 +1084,7 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, txq_id = trans_pcie->ac_to_queue[ctx][skb_get_queue_mapping(skb)]; - if (ieee80211_is_data_qos(fc)) { + if (ieee80211_is_data_qos(fc) && !ieee80211_is_qos_nullfunc(fc)) { u8 *qc = NULL; struct iwl_tid_data *tid_data; qc = ieee80211_get_qos_ctl(hdr); @@ -1092,13 +1099,21 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, hdr->seq_ctrl = hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG); hdr->seq_ctrl |= cpu_to_le16(seq_number); - seq_number += 0x10; /* aggregation is on for this <sta,tid> */ if (info->flags & IEEE80211_TX_CTL_AMPDU) { - WARN_ON(tid_data->agg.state != IWL_AGG_ON); + if (WARN_ON_ONCE(tid_data->agg.state != IWL_AGG_ON)) { + IWL_ERR(trans, "TX_CTL_AMPDU while not in AGG:" + " Tx flags = 0x%08x, agg.state = %d", + info->flags, tid_data->agg.state); + IWL_ERR(trans, "sta_id = %d, tid = %d " + "txq_id = %d, seq_num = %d", sta_id, + tid, tid_data->agg.txq_id, + seq_number >> 4); + } txq_id = tid_data->agg.txq_id; is_agg = true; } + seq_number += 0x10; } /* Copy MAC header from skb into command buffer */ @@ -1206,7 +1221,7 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd); iwl_txq_update_write_ptr(trans, txq); - if (ieee80211_is_data_qos(fc)) { + if (ieee80211_is_data_qos(fc) && !ieee80211_is_qos_nullfunc(fc)) { trans->shrd->tid_data[sta_id][tid].tfds_in_queue++; if (!ieee80211_has_morefrags(fc)) trans->shrd->tid_data[sta_id][tid].seq_number = @@ -1224,7 +1239,7 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, txq->need_update = 1; iwl_txq_update_write_ptr(trans, txq); } else { - iwl_stop_queue(trans, txq); + iwl_stop_queue(trans, txq, "Queue is full"); } } return 0; @@ -1276,20 +1291,21 @@ static int iwlagn_txq_check_empty(struct iwl_trans *trans, /* aggregated HW queue */ if ((txq_id == tid_data->agg.txq_id) && (q->read_ptr == q->write_ptr)) { - IWL_DEBUG_HT(trans, + IWL_DEBUG_TX_QUEUES(trans, "HW queue empty: continue DELBA flow\n"); iwl_trans_pcie_txq_agg_disable(trans, txq_id); tid_data->agg.state = IWL_AGG_OFF; iwl_stop_tx_ba_trans_ready(priv(trans), NUM_IWL_RXON_CTX, sta_id, tid); - iwl_wake_queue(trans, &trans_pcie->txq[txq_id]); + iwl_wake_queue(trans, &trans_pcie->txq[txq_id], + "DELBA flow complete"); } break; case IWL_EMPTYING_HW_QUEUE_ADDBA: /* We are reclaiming the last packet of the queue */ if (tid_data->tfds_in_queue == 0) { - IWL_DEBUG_HT(trans, + IWL_DEBUG_TX_QUEUES(trans, "HW queue empty: continue ADDBA flow\n"); tid_data->agg.state = IWL_AGG_ON; iwl_start_tx_ba_trans_ready(priv(trans), @@ -1342,12 +1358,12 @@ static void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int sta_id, int tid, } if (txq->q.read_ptr != tfd_num) { - IWL_DEBUG_TX_REPLY(trans, "Retry scheduler reclaim " - "scd_ssn=%d idx=%d txq=%d swq=%d\n", - ssn , tfd_num, txq_id, txq->swq_id); + IWL_DEBUG_TX_REPLY(trans, "[Q %d | AC %d] %d -> %d (%d)\n", + txq_id, iwl_get_queue_ac(txq), txq->q.read_ptr, + tfd_num, ssn); freed = iwl_tx_queue_reclaim(trans, txq_id, tfd_num, skbs); if (iwl_queue_space(&txq->q) > txq->q.low_mark && cond) - iwl_wake_queue(trans, txq); + iwl_wake_queue(trans, txq, "Packets reclaimed"); } iwl_free_tfds_in_queue(trans, sta_id, tid, freed); @@ -1369,16 +1385,22 @@ static int iwl_trans_pcie_suspend(struct iwl_trans *trans) { /* * This function is called when system goes into suspend state - * mac80211 will call iwl_mac_stop() from the mac80211 suspend function - * first but since iwl_mac_stop() has no knowledge of who the caller is, + * mac80211 will call iwlagn_mac_stop() from the mac80211 suspend + * function first but since iwlagn_mac_stop() has no knowledge of + * who the caller is, * it will not call apm_ops.stop() to stop the DMA operation. * Calling apm_ops.stop here to make sure we stop the DMA. * * But of course ... if we have configured WoWLAN then we did other * things already :-) */ - if (!trans->shrd->wowlan) + if (!trans->shrd->wowlan) { iwl_apm_stop(priv(trans)); + } else { + iwl_disable_interrupts(trans); + iwl_clear_bit(bus(trans), CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + } return 0; } @@ -1405,7 +1427,8 @@ static int iwl_trans_pcie_resume(struct iwl_trans *trans) #endif /* CONFIG_PM_SLEEP */ static void iwl_trans_pcie_wake_any_queue(struct iwl_trans *trans, - enum iwl_rxon_context_id ctx) + enum iwl_rxon_context_id ctx, + const char *msg) { u8 ac, txq_id; struct iwl_trans_pcie *trans_pcie = @@ -1413,11 +1436,11 @@ static void iwl_trans_pcie_wake_any_queue(struct iwl_trans *trans, for (ac = 0; ac < AC_NUM; ac++) { txq_id = trans_pcie->ac_to_queue[ctx][ac]; - IWL_DEBUG_INFO(trans, "Queue Status: Q[%d] %s\n", + IWL_DEBUG_TX_QUEUES(trans, "Queue Status: Q[%d] %s\n", ac, (atomic_read(&trans_pcie->queue_stop_count[ac]) > 0) ? "stopped" : "awake"); - iwl_wake_queue(trans, &trans_pcie->txq[txq_id]); + iwl_wake_queue(trans, &trans_pcie->txq[txq_id], msg); } } @@ -1440,11 +1463,12 @@ static struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd) return iwl_trans; } -static void iwl_trans_pcie_stop_queue(struct iwl_trans *trans, int txq_id) +static void iwl_trans_pcie_stop_queue(struct iwl_trans *trans, int txq_id, + const char *msg) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - iwl_stop_queue(trans, &trans_pcie->txq[txq_id]); + iwl_stop_queue(trans, &trans_pcie->txq[txq_id], msg); } #define IWL_FLUSH_WAIT_MS 2000 @@ -1499,8 +1523,12 @@ static int iwl_trans_pcie_check_stuck_queue(struct iwl_trans *trans, int cnt) if (time_after(jiffies, timeout)) { IWL_ERR(trans, "Queue %d stuck for %u ms.\n", q->id, hw_params(trans).wd_timeout); - IWL_ERR(trans, "Current read_ptr %d write_ptr %d\n", + IWL_ERR(trans, "Current SW read_ptr %d write_ptr %d\n", q->read_ptr, q->write_ptr); + IWL_ERR(trans, "Current HW read_ptr %d write_ptr %d\n", + iwl_read_prph(bus(trans), SCD_QUEUE_RDPTR(cnt)) + & (TFD_QUEUE_SIZE_MAX - 1), + iwl_read_prph(bus(trans), SCD_QUEUE_WRPTR(cnt))); return 1; } diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index c5923125c3f9..50227ebc0ee2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -171,7 +171,8 @@ struct iwl_trans_ops { void (*tx_start)(struct iwl_trans *trans); void (*wake_any_queue)(struct iwl_trans *trans, - enum iwl_rxon_context_id ctx); + enum iwl_rxon_context_id ctx, + const char *msg); int (*send_cmd)(struct iwl_trans *trans, struct iwl_host_cmd *cmd); @@ -196,7 +197,7 @@ struct iwl_trans_ops { void (*free)(struct iwl_trans *trans); - void (*stop_queue)(struct iwl_trans *trans, int q); + void (*stop_queue)(struct iwl_trans *trans, int q, const char *msg); int (*dbgfs_register)(struct iwl_trans *trans, struct dentry* dir); int (*check_stuck_queue)(struct iwl_trans *trans, int q); @@ -207,17 +208,48 @@ struct iwl_trans_ops { #endif }; +/* one for each uCode image (inst/data, boot/init/runtime) */ +struct fw_desc { + dma_addr_t p_addr; /* hardware address */ + void *v_addr; /* software address */ + u32 len; /* size in bytes */ +}; + +struct fw_img { + struct fw_desc code; /* firmware code image */ + struct fw_desc data; /* firmware data image */ +}; + +enum iwl_ucode_type { + IWL_UCODE_NONE, + IWL_UCODE_REGULAR, + IWL_UCODE_INIT, + IWL_UCODE_WOWLAN, +}; + /** * struct iwl_trans - transport common data * @ops - pointer to iwl_trans_ops * @shrd - pointer to iwl_shared which holds shared data from the upper layer * @hcmd_lock: protects HCMD + * @ucode_write_complete: indicates that the ucode has been copied. + * @ucode_rt: run time ucode image + * @ucode_init: init ucode image + * @ucode_wowlan: wake on wireless ucode image (optional) */ struct iwl_trans { const struct iwl_trans_ops *ops; struct iwl_shared *shrd; spinlock_t hcmd_lock; + u8 ucode_write_complete; /* the image write is complete */ + struct fw_img ucode_rt; + struct fw_img ucode_init; + struct fw_img ucode_wowlan; + + /* eeprom related variables */ + int nvm_device_type; + /* pointer to trans specific struct */ /*Ensure that this pointer will always be aligned to sizeof pointer */ char trans_specific[0] __attribute__((__aligned__(sizeof(void *)))); @@ -249,9 +281,10 @@ static inline void iwl_trans_tx_start(struct iwl_trans *trans) } static inline void iwl_trans_wake_any_queue(struct iwl_trans *trans, - enum iwl_rxon_context_id ctx) + enum iwl_rxon_context_id ctx, + const char *msg) { - trans->ops->wake_any_queue(trans, ctx); + trans->ops->wake_any_queue(trans, ctx, msg); } @@ -311,9 +344,10 @@ static inline void iwl_trans_free(struct iwl_trans *trans) trans->ops->free(trans); } -static inline void iwl_trans_stop_queue(struct iwl_trans *trans, int q) +static inline void iwl_trans_stop_queue(struct iwl_trans *trans, int q, + const char *msg) { - trans->ops->stop_queue(trans, q); + trans->ops->stop_queue(trans, q, msg); } static inline int iwl_trans_wait_tx_queue_empty(struct iwl_trans *trans) @@ -348,4 +382,8 @@ static inline int iwl_trans_resume(struct iwl_trans *trans) ******************************************************/ extern const struct iwl_trans_ops trans_ops_pcie; +int iwl_alloc_fw_desc(struct iwl_bus *bus, struct fw_desc *desc, + const void *data, size_t len); +void iwl_dealloc_ucode(struct iwl_trans *trans); + #endif /* __iwl_trans_h__ */ |