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fuchsia / drivers / wlan / intel / iwlwifi / 4de0dbb8e99536af8ca65e3eca1b0d73ce1bfeed / . / third_party / iwlwifi / mvm / ops.c
blob: d164d539ee063b24a7ba4cfd633c46508b4cbb90 [file] [log] [blame]
/******************************************************************************
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* 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.
*
*****************************************************************************/
#include <stdbool.h>
#include <threads.h>
#include <zircon/syscalls.h>
#include <zircon/compiler.h>
#include <ddk/hw/wlan/ieee80211/c/banjo.h>
#if 0 // NEEDS_PORTING
#include "fw-api.h"
#include "src/iwlwifi/fw/acpi.h"
#endif // NEEDS_PORTING
#include "src/iwlwifi/fw/api/nan.h"
#include "src/iwlwifi/fw/api/scan.h"
#include "src/iwlwifi/fw/dbg.h"
#include "src/iwlwifi/fw/img.h"
#include "src/iwlwifi/fw/notif-wait.h"
#include "src/iwlwifi/iwl-csr.h"
#include "src/iwlwifi/iwl-debug.h"
#include "src/iwlwifi/iwl-drv.h"
#include "src/iwlwifi/iwl-eeprom-parse.h"
#include "src/iwlwifi/iwl-io.h"
#include "src/iwlwifi/iwl-modparams.h"
#include "src/iwlwifi/iwl-op-mode.h"
#include "src/iwlwifi/iwl-phy-db.h"
#include "src/iwlwifi/iwl-prph.h"
#include "src/iwlwifi/iwl-trans.h"
#include "src/iwlwifi/mvm/mvm.h"
#include "src/iwlwifi/mvm/rs.h"
#include "src/iwlwifi/mvm/time-event.h"
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
#include "src/iwlwifi/iwl-dnt-cfg.h"
#include "src/iwlwifi/iwl-dnt-dispatch.h"
#include "src/iwlwifi/iwl-tm-gnl.h"
#endif
#define KBUILD_MODNAME "iwlwifi"
#define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
static const struct iwl_op_mode_ops iwl_mvm_ops;
static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
struct iwl_mvm_mod_params iwlmvm_mod_params = {
.power_scheme = IWL_POWER_SCHEME_BPS, .tfd_q_hang_detect = true
/* rest of fields are 0 by default */
};
#if 0 // NEEDS_PORTING
module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444);
MODULE_PARM_DESC(init_dbg, "set to true to debug an ASSERT in INIT fw (default: false");
module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444);
MODULE_PARM_DESC(power_scheme,
"power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
module_param_named(tfd_q_hang_detect, iwlmvm_mod_params.tfd_q_hang_detect, bool, 0444);
MODULE_PARM_DESC(tfd_q_hang_detect, "TFD queues hang detection (default: true");
#endif // NEEDS_PORTING
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
static void iwl_mvm_rx_fw_logs(struct iwl_mvm* mvm, struct iwl_rx_cmd_buffer* rxb) {
iwl_dnt_dispatch_collect_ucode_message(mvm->trans, rxb);
}
#endif
/*
* module init and exit functions
*/
zx_status_t iwl_mvm_init(void) {
zx_status_t ret;
#if 0 // NEEDS_PORTING
ret = iwl_mvm_rate_control_register();
if (ret) {
zxlogf(ERROR, "Unable to register rate control algorithm: %d", ret);
return ret;
}
#endif // NEEDS_PORTING
ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
if (ret) {
zxlogf(ERROR, "Unable to register MVM op_mode: %d", ret);
}
return ret;
}
void iwl_mvm_exit(void) {
iwl_opmode_deregister("iwlmvm");
#if 0 // NEEDS_PORTING
iwl_mvm_rate_control_unregister();
#endif // NEEDS_PORTING
}
static void iwl_mvm_nic_config(struct iwl_op_mode* op_mode) {
struct iwl_mvm* mvm = IWL_OP_MODE_GET_MVM(op_mode);
uint8_t radio_cfg_type, radio_cfg_step, radio_cfg_dash;
uint32_t reg_val = 0;
uint32_t phy_config = iwl_mvm_get_phy_config(mvm);
radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> FW_PHY_CFG_RADIO_TYPE_POS;
radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> FW_PHY_CFG_RADIO_STEP_POS;
radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> FW_PHY_CFG_RADIO_DASH_POS;
/* SKU control */
reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) << CSR_HW_IF_CONFIG_REG_POS_MAC_STEP;
reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) << CSR_HW_IF_CONFIG_REG_POS_MAC_DASH;
/* radio configuration */
reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
/*
* TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC
* sampling, and shouldn't be set to any non-zero value.
* The same is supposed to be true of the other HW, but unsetting
* them (such as the 7260) causes automatic tests to fail on seemingly
* unrelated errors. Need to further investigate this, but for now
* we'll separate cases.
*/
if (mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_8000) {
reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
}
if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt)) {
reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG;
}
iwl_trans_set_bits_mask(
mvm->trans, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH | CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP |
CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
CSR_HW_IF_CONFIG_REG_BIT_MAC_SI | CSR_HW_IF_CONFIG_REG_D3_DEBUG,
reg_val);
IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, radio_cfg_step,
radio_cfg_dash);
#if 0 // NEEDS_PORTING
/*
* W/A : NIC is stuck in a reset state after Early PCIe power off
* (PCIe power is lost before PERST# is asserted), causing ME FW
* to lose ownership and not being able to obtain it back.
*/
if (!mvm->trans->cfg->apmg_not_supported)
iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
#endif // NEEDS_PORTING
}
#ifdef CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED
/* A stub notification handler to receive Debug Host Notification (DHN).
* The notification handler is empty because the report is processed by
* trace-cmd and not by the driver
*/
static void iwl_mvm_rx_dhn(struct iwl_mvm* mvm, struct iwl_rx_cmd_buffer* rxb) {
struct iwl_rx_packet* pkt = rxb_addr(rxb);
struct iwl_dhn_hdr* notif = (void*)pkt->data;
uint32_t length = le32_to_cpu(notif->length);
uint32_t index_and_mask = le32_to_cpu(notif->index_and_mask);
IWL_DEBUG_INFO(mvm,
"Received Debug Host Notifcation:\n"
"length: %u\n"
"index and mask: 0x%x\n",
length, index_and_mask);
}
#endif /* CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED */
/**
* enum iwl_rx_handler_context context for Rx handler
* @RX_HANDLER_SYNC : this means that it will be called in the Rx path
* which can't acquire mvm->mutex.
* @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
* (and only in this case!), it should be set as ASYNC. In that case,
* it will be called from a worker with mvm->mutex held.
* @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
* mutex itself, it will be called from a worker without mvm->mutex held.
*/
enum iwl_rx_handler_context {
RX_HANDLER_SYNC,
RX_HANDLER_ASYNC_LOCKED,
RX_HANDLER_ASYNC_UNLOCKED,
};
/**
* struct iwl_rx_handlers handler for FW notification
* @cmd_id: command id
* @context: see &iwl_rx_handler_context
* @fn: the function is called when notification is received
*/
struct iwl_rx_handlers {
uint16_t cmd_id;
enum iwl_rx_handler_context context;
void (*fn)(struct iwl_mvm* mvm, struct iwl_rx_cmd_buffer* rxb);
};
#define RX_HANDLER(_cmd_id, _fn, _context) \
{ .cmd_id = _cmd_id, .fn = _fn, .context = _context }
#define RX_HANDLER_GRP(_grp, _cmd, _fn, _context) \
{ .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context }
/*
* Handlers for fw notifications
* Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
* This list should be in order of frequency for performance purposes.
*
* The handler can be one from three contexts, see &iwl_rx_handler_context
*/
static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC),
RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC),
#if 0 // NEEDS_PORTING
RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF, iwl_mvm_tlc_update_notif,
RX_HANDLER_SYNC),
RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, iwl_mvm_window_status_notif, RX_HANDLER_SYNC),
RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, RX_HANDLER_SYNC),
RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC),
RX_HANDLER(SCAN_ITERATION_COMPLETE, iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC),
#endif // NEEDS_PORTING
// TODO(79965): Add support for handler with RX_HANDLER_ASYNC_LOCKED.
RX_HANDLER(SCAN_OFFLOAD_COMPLETE, iwl_mvm_rx_lmac_scan_complete_notif, RX_HANDLER_SYNC),
RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, RX_HANDLER_SYNC),
#if 0 // NEEDS_PORTING
RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found, RX_HANDLER_SYNC),
RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_iter_complete_notif,
RX_HANDLER_SYNC),
RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, RX_HANDLER_SYNC),
RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, RX_HANDLER_SYNC),
RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC),
RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, iwl_mvm_power_uapsd_misbehaving_ap_notif,
RX_HANDLER_SYNC),
RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, iwl_mvm_temp_notif,
RX_HANDLER_ASYNC_UNLOCKED),
RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC),
RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, RX_HANDLER_SYNC),
RX_HANDLER(TOF_NOTIFICATION, iwl_mvm_tof_resp_handler, RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, iwl_mvm_mfu_assert_dump_notif,
RX_HANDLER_SYNC),
RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, iwl_mvm_rx_stored_beacon_notif,
RX_HANDLER_SYNC),
RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, iwl_mvm_mu_mimo_grp_notif,
RX_HANDLER_SYNC),
RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF, iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC),
#ifdef CPTCFG_IWLMVM_VENDOR_CMDS
RX_HANDLER_GRP(NAN_GROUP, NAN_DISCOVERY_TERMINATE_NOTIF, iwl_mvm_nan_de_term_notif,
RX_HANDLER_SYNC),
RX_HANDLER_GRP(NAN_GROUP, NAN_DISCOVERY_EVENT_NOTIF, iwl_mvm_nan_match, RX_HANDLER_SYNC),
RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF, iwl_mvm_probe_resp_data_notif,
RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_NOA_NOTIF, iwl_mvm_channel_switch_noa_notif,
RX_HANDLER_SYNC),
#endif
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
RX_HANDLER(DEBUG_LOG_MSG, iwl_mvm_rx_fw_logs, RX_HANDLER_SYNC),
#endif
#ifdef CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED
RX_HANDLER_GRP(DEBUG_GROUP, DEBUG_HOST_NTF, iwl_mvm_rx_dhn, RX_HANDLER_SYNC),
#endif
#endif // NEEDS_PORTING
};
#undef RX_HANDLER
#undef RX_HANDLER_GRP
/* Please keep this array *SORTED* by hex value.
* Access is done through binary search
*/
static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
HCMD_NAME(MVM_ALIVE),
HCMD_NAME(REPLY_ERROR),
HCMD_NAME(ECHO_CMD),
HCMD_NAME(INIT_COMPLETE_NOTIF),
HCMD_NAME(PHY_CONTEXT_CMD),
HCMD_NAME(DBG_CFG),
HCMD_NAME(SCAN_CFG_CMD),
HCMD_NAME(SCAN_REQ_UMAC),
HCMD_NAME(SCAN_ABORT_UMAC),
HCMD_NAME(SCAN_COMPLETE_UMAC),
HCMD_NAME(TOF_CMD),
HCMD_NAME(TOF_NOTIFICATION),
HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
HCMD_NAME(ADD_STA_KEY),
HCMD_NAME(ADD_STA),
HCMD_NAME(REMOVE_STA),
HCMD_NAME(FW_GET_ITEM_CMD),
HCMD_NAME(TX_CMD),
HCMD_NAME(SCD_QUEUE_CFG),
HCMD_NAME(TXPATH_FLUSH),
HCMD_NAME(MGMT_MCAST_KEY),
HCMD_NAME(WEP_KEY),
HCMD_NAME(SHARED_MEM_CFG),
HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
HCMD_NAME(MAC_CONTEXT_CMD),
HCMD_NAME(TIME_EVENT_CMD),
HCMD_NAME(TIME_EVENT_NOTIFICATION),
HCMD_NAME(BINDING_CONTEXT_CMD),
HCMD_NAME(TIME_QUOTA_CMD),
HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
HCMD_NAME(LEDS_CMD),
#ifdef CPTCFG_IWLWIFI_LTE_COEX
HCMD_NAME(LTE_COEX_CONFIG_CMD),
HCMD_NAME(LTE_COEX_WIFI_REPORTED_CHANNEL_CMD),
HCMD_NAME(LTE_COEX_STATIC_PARAMS_CMD),
HCMD_NAME(LTE_COEX_SPS_CMD),
#endif
HCMD_NAME(LQ_CMD),
HCMD_NAME(FW_PAGING_BLOCK_CMD),
HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
HCMD_NAME(HOT_SPOT_CMD),
HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
#ifdef CPTCFG_IWLWIFI_LTE_COEX
HCMD_NAME(LTE_COEX_FINE_TUNING_PARAMS_CMD),
#endif
HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
HCMD_NAME(BT_COEX_CI),
HCMD_NAME(PHY_CONFIGURATION_CMD),
HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
HCMD_NAME(PHY_DB_CMD),
HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
HCMD_NAME(CONFIG_2G_COEX_CMD),
HCMD_NAME(POWER_TABLE_CMD),
HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
HCMD_NAME(DC2DC_CONFIG_CMD),
HCMD_NAME(NVM_ACCESS_CMD),
HCMD_NAME(BEACON_NOTIFICATION),
HCMD_NAME(BEACON_TEMPLATE_CMD),
HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
HCMD_NAME(BT_CONFIG),
HCMD_NAME(STATISTICS_CMD),
HCMD_NAME(STATISTICS_NOTIFICATION),
HCMD_NAME(EOSP_NOTIFICATION),
HCMD_NAME(REDUCE_TX_POWER_CMD),
HCMD_NAME(CARD_STATE_NOTIFICATION),
HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
HCMD_NAME(TDLS_CONFIG_CMD),
HCMD_NAME(MAC_PM_POWER_TABLE),
HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
HCMD_NAME(MFUART_LOAD_NOTIFICATION),
HCMD_NAME(RSS_CONFIG_CMD),
HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
HCMD_NAME(REPLY_RX_PHY_CMD),
HCMD_NAME(REPLY_RX_MPDU_CMD),
HCMD_NAME(FRAME_RELEASE),
HCMD_NAME(BA_NOTIF),
HCMD_NAME(MCC_UPDATE_CMD),
HCMD_NAME(MCC_CHUB_UPDATE_CMD),
HCMD_NAME(MARKER_CMD),
HCMD_NAME(BT_PROFILE_NOTIFICATION),
HCMD_NAME(BCAST_FILTER_CMD),
HCMD_NAME(MCAST_FILTER_CMD),
HCMD_NAME(REPLY_SF_CFG_CMD),
HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
HCMD_NAME(D3_CONFIG_CMD),
HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
HCMD_NAME(OFFLOADS_QUERY_CMD),
HCMD_NAME(REMOTE_WAKE_CONFIG_CMD),
HCMD_NAME(MATCH_FOUND_NOTIFICATION),
HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
HCMD_NAME(WOWLAN_PATTERNS),
HCMD_NAME(WOWLAN_CONFIGURATION),
HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
HCMD_NAME(WOWLAN_TKIP_PARAM),
HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
HCMD_NAME(WOWLAN_GET_STATUSES),
HCMD_NAME(SCAN_ITERATION_COMPLETE),
HCMD_NAME(D0I3_END_CMD),
HCMD_NAME(LTR_CONFIG),
HCMD_NAME(DEBUG_LOG_MSG),
};
/* Please keep this array *SORTED* by hex value.
* Access is done through binary search
*/
static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
HCMD_NAME(SHARED_MEM_CFG_CMD),
HCMD_NAME(SOC_CONFIGURATION_CMD),
HCMD_NAME(INIT_EXTENDED_CFG_CMD),
};
/* Please keep this array *SORTED* by hex value.
* Access is done through binary search
*/
static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF),
};
/* Please keep this array *SORTED* by hex value.
* Access is done through binary search
*/
static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
HCMD_NAME(CTDP_CONFIG_CMD),
HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
HCMD_NAME(GEO_TX_POWER_LIMIT),
HCMD_NAME(CT_KILL_NOTIFICATION),
HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
};
/* Please keep this array *SORTED* by hex value.
* Access is done through binary search
*/
static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
HCMD_NAME(DQA_ENABLE_CMD),
HCMD_NAME(UPDATE_MU_GROUPS_CMD),
HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
HCMD_NAME(STA_HE_CTXT_CMD),
#ifdef CPTCFG_IWLMVM_AX_SOFTAP_TESTMODE
HCMD_NAME(AX_SOFTAP_TESTMODE_DL_BASIC),
HCMD_NAME(AX_SOFTAP_TESTMODE_DL_MU_BAR),
HCMD_NAME(AX_SOFTAP_TESTMODE_UL),
HCMD_NAME(AX_SOFTAP_CLIENT_TESTMODE),
#endif
HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
HCMD_NAME(STA_PM_NOTIF),
HCMD_NAME(MU_GROUP_MGMT_NOTIF),
HCMD_NAME(RX_QUEUES_NOTIFICATION),
};
#ifdef CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED
/* Please keep this array *SORTED* by hex value.
* Access is done through binary search
*/
static const struct iwl_hcmd_names iwl_mvm_debug_names[] = {
#ifdef CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED
HCMD_NAME(DEBUG_HOST_NTF),
#endif
HCMD_NAME(MFU_ASSERT_DUMP_NTF),
};
#endif
/* Please keep this array *SORTED* by hex value.
* Access is done through binary search
*/
static const struct iwl_hcmd_names iwl_mvm_nan_names[] = {
HCMD_NAME(NAN_CONFIG_CMD),
HCMD_NAME(NAN_DISCOVERY_FUNC_CMD),
HCMD_NAME(NAN_FAW_CONFIG_CMD),
HCMD_NAME(NAN_DISCOVERY_EVENT_NOTIF),
HCMD_NAME(NAN_DISCOVERY_TERMINATE_NOTIF),
HCMD_NAME(NAN_FAW_START_NOTIF),
};
/* Please keep this array *SORTED* by hex value.
* Access is done through binary search
*/
static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
HCMD_NAME(STORED_BEACON_NTF),
};
/* Please keep this array *SORTED* by hex value.
* Access is done through binary search
*/
static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
HCMD_NAME(NVM_ACCESS_COMPLETE),
HCMD_NAME(NVM_GET_INFO),
};
static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
[LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
[LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
[SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
[MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
[PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
[DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
[NAN_GROUP] = HCMD_ARR(iwl_mvm_nan_names),
[PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
[REGULATORY_AND_NVM_GROUP] = HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
#ifdef CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED
[DEBUG_GROUP] = HCMD_ARR(iwl_mvm_debug_names),
#endif
};
/* this forward declaration can avoid to export the function */
#if 0 // NEEDS_PORTING
static void iwl_mvm_async_handlers_wk(struct work_struct* wk);
#endif // NEEDS_PORTING
#ifdef CONFIG_PM
static void iwl_mvm_d0i3_exit_work(struct work_struct* wk);
#endif
static uint32_t iwl_mvm_min_backoff(struct iwl_mvm* mvm) {
const struct iwl_pwr_tx_backoff* backoff = mvm->cfg->pwr_tx_backoffs;
uint64_t dflt_pwr_limit;
if (!backoff) {
return 0;
}
dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev);
while (backoff->pwr) {
if (dflt_pwr_limit >= backoff->pwr) {
return backoff->backoff;
}
backoff++;
}
return 0;
}
#if 0 // NEEDS_PORTING
static void iwl_mvm_tx_unblock_dwork(struct work_struct* work) {
struct iwl_mvm* mvm = container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
struct ieee80211_vif* tx_blocked_vif;
struct iwl_mvm_vif* mvmvif;
mtx_lock(&mvm->mutex);
tx_blocked_vif =
rcu_dereference_protected(mvm->csa_tx_blocked_vif, lockdep_is_held(&mvm->mutex));
if (!tx_blocked_vif) { goto unlock; }
mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
mvm->csa_tx_blocked_vif = NULL;
unlock:
mtx_unlock(&mvm->mutex);
}
#endif // NEEDS_PORTING
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
static void iwl_mvm_init_modparams(struct iwl_mvm* mvm) {
#define IWL_DBG_CFG(t, n) /* nothing */
#define IWL_DBG_CFG_STR(n) /* nothing */
#define IWL_DBG_CFG_NODEF(t, n) /* nothing */
#define IWL_DBG_CFG_BIN(n) /* nothing */
#define IWL_DBG_CFG_BINA(n, max) /* nothing */
#define IWL_DBG_CFG_RANGE(t, n, min, max) /* nothing */
#define IWL_MOD_PARAM(t, n) /* nothing */
#define IWL_MVM_MOD_PARAM(t, n) \
if (mvm->trans->dbg_cfg.__mvm_mod_param_##n) \
iwlmvm_mod_params.n = mvm->trans->dbg_cfg.mvm_##n;
#define DBG_CFG_REINCLUDE
#include "iwl-dbg-cfg.h"
#undef IWL_DBG_CFG
#undef IWL_DBG_CFG_STR
#undef IWL_DBG_CFG_NODEF
#undef IWL_DBG_CFG_BIN
#undef IWL_DBG_CFG_BINA
#undef IWL_DBG_CFG_RANGE
#undef IWL_MOD_PARAM
#undef IWL_MVM_MOD_PARAM
}
#endif
// TODO(rsakthi) - Reintroduce TA_NO_THREAD_SAFETY_ANALYSIS
static int iwl_mvm_fwrt_dump_start(void* ctx) { //TA_NO_THREAD_SAFETY_ANALYSIS {
struct iwl_mvm* mvm = ctx;
int ret;
ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_FW_DBG_COLLECT);
if (ret) {
return ret;
}
mtx_lock(&mvm->mutex);
return 0;
}
static void iwl_mvm_fwrt_dump_end(void* ctx) { //TA_NO_THREAD_SAFETY_ANALYSIS {
struct iwl_mvm* mvm = ctx;
mtx_unlock(&mvm->mutex);
iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT);
}
static bool iwl_mvm_fwrt_fw_running(void* ctx) { return iwl_mvm_firmware_running(ctx); }
static zx_status_t iwl_mvm_fwrt_send_hcmd(void* ctx, struct iwl_host_cmd* host_cmd) {
return ZX_ERR_NOT_SUPPORTED;
#if 0 // NEEDS_PORTING
struct iwl_mvm* mvm = (struct iwl_mvm*)ctx;
int ret;
mtx_lock(&mvm->mutex);
ret = iwl_mvm_send_cmd(mvm, host_cmd);
mtx_unlock(&mvm->mutex);
return ret;
#endif // NEEDS_PORTING
}
static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
.dump_start = iwl_mvm_fwrt_dump_start,
.dump_end = iwl_mvm_fwrt_dump_end,
.fw_running = iwl_mvm_fwrt_fw_running,
.send_hcmd = iwl_mvm_fwrt_send_hcmd,
};
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
static int iwl_mvm_tm_send_hcmd(void* op_mode, struct iwl_host_cmd* host_cmd) {
struct iwl_mvm* mvm = (struct iwl_mvm*)op_mode;
if (WARN_ON_ONCE(!op_mode)) {
return -EINVAL;
}
return iwl_mvm_send_cmd(mvm, host_cmd);
}
static int iwl_mvm_tm_cmd_exec_start(struct iwl_testmode* testmode) {
struct iwl_mvm* mvm = testmode->op_mode;
return iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TM_CMD);
}
static void iwl_mvm_tm_cmd_exec_end(struct iwl_testmode* testmode) {
struct iwl_mvm* mvm = testmode->op_mode;
iwl_mvm_unref(mvm, IWL_MVM_REF_TM_CMD);
}
#endif
static struct iwl_op_mode* iwl_op_mode_mvm_start(struct iwl_trans* trans, const struct iwl_cfg* cfg,
const struct iwl_fw* fw,
struct dentry* dbgfs_dir) {
struct iwl_op_mode* op_mode;
struct iwl_mvm* mvm;
struct iwl_trans_config trans_cfg = {};
static const uint8_t no_reclaim_cmds[] = {
TX_CMD,
};
int err, scan_size;
uint32_t min_backoff;
enum iwl_amsdu_size rb_size_default;
/*
* We use IWL_MVM_STATION_COUNT to check the validity of the station
* index all over the driver - check that its value corresponds to the
* array size.
*/
BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT);
// Allocate op_mode and mvm. In the Linux driver these are private members of a ieee80211_hw
// struct |hw|, which also contains iwl_mvm_hw_ops. The equivalent functionality of ieee80211_hw
// has not yet been ported.
op_mode = calloc(1, sizeof(struct iwl_op_mode));
if (!op_mode) {
IWL_ERR(trans, "Failed to allocate op mode\n");
}
mvm = calloc(1, sizeof(struct iwl_mvm));
if (!mvm) {
IWL_ERR(trans, "Failed to allocate mvm\n");
}
op_mode->op_mode_specific = mvm;
#if 0 // NEEDS_PORTING
if (cfg->max_rx_agg_size) {
hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size;
} else {
hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
}
if (cfg->max_tx_agg_size) {
hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
} else {
hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
}
#endif // NEEDS_PORTING
mvm->dev = trans->dev;
mvm->trans = trans;
mvm->cfg = cfg;
mvm->fw = fw;
iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm, dbgfs_dir);
mvm->init_status = 0;
if (iwl_mvm_has_new_rx_api(mvm)) {
op_mode->ops = &iwl_mvm_ops_mq;
trans->rx_mpdu_cmd_hdr_size = (trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560)
? sizeof(struct iwl_rx_mpdu_desc)
: IWL_RX_DESC_SIZE_V1;
} else {
op_mode->ops = &iwl_mvm_ops;
trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_res_start);
if (WARN_ON(trans->num_rx_queues > 1)) {
goto out_free;
}
}
mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;
mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
mvm->sf_state = SF_UNINIT;
if (iwl_mvm_has_unified_ucode(mvm)) {
iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
} else {
iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
}
mvm->drop_bcn_ap_mode = true;
mtx_init(&mvm->mutex, mtx_plain);
mtx_init(&mvm->d0i3_suspend_mutex, mtx_plain);
mtx_init(&mvm->async_handlers_lock, mtx_plain);
list_initialize(&mvm->time_event_list);
list_initialize(&mvm->aux_roc_te_list);
list_initialize(&mvm->async_handlers_list);
mtx_init(&mvm->time_event_lock, mtx_plain);
#if 0 // NEEDS_PORTING
INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
#ifdef CPTCFG_MAC80211_LATENCY_MEASUREMENTS
INIT_WORK(&mvm->tx_latency_wk, iwl_mvm_tx_latency_wk);
INIT_DELAYED_WORK(&mvm->tx_latency_watchdog_wk, iwl_mvm_tx_latency_watchdog_wk);
#endif /* CPTCFG_MAC80211_LATENCY_MEASUREMENTS */
#ifdef CONFIG_PM
INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work);
#endif
#endif // NEEDS_PORTING
iwl_task_create(mvm->dev, iwl_mvm_scan_timeout_wk, mvm, &mvm->scan_timeout_task);
#if 0 // NEEDS_PORTING
INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
#endif // NEEDS_PORTING
list_initialize(&mvm->add_stream_txqs);
mtx_init(&mvm->d0i3_tx_lock, mtx_plain);
mtx_init(&mvm->refs_lock, mtx_plain);
#if 0 // NEEDS_PORTING
skb_queue_head_init(&mvm->d0i3_tx);
init_waitqueue_head(&mvm->d0i3_exit_waitq);
init_waitqueue_head(&mvm->rx_sync_waitq);
#endif // NEEDS_PORTING
atomic_set(&mvm->queue_sync_counter, 0);
#if 0 // NEEDS_PORTING
SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
#endif // NEEDS_PORTING
mtx_init(&mvm->tcm.lock, mtx_plain);
#if 0 // NEEDS_PORTING
INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
mvm->tcm.ts = jiffies;
mvm->tcm.ll_ts = jiffies;
mvm->tcm.uapsd_nonagg_ts = jiffies;
#endif // NEEDS_PORTING
#ifdef CPTCFG_IWLMVM_TDLS_PEER_CACHE
INIT_LIST_HEAD(&mvm->tdls_peer_cache_list);
#endif
#ifdef CPTCFG_IWLMVM_VENDOR_CMDS
mvm->rx_filters = IWL_MVM_VENDOR_RXFILTER_EINVAL;
#endif
#if 0 // NEEDS_PORTING
INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
#endif // NEEDS_PORTING
/*
* Populate the state variables that the transport layer needs
* to know about.
*/
trans_cfg.op_mode = op_mode;
trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) {
rb_size_default = IWL_AMSDU_2K;
} else {
rb_size_default = IWL_AMSDU_4K;
}
switch (iwlwifi_mod_params.amsdu_size) {
case IWL_AMSDU_DEF:
trans_cfg.rx_buf_size = rb_size_default;
break;
case IWL_AMSDU_4K:
trans_cfg.rx_buf_size = IWL_AMSDU_4K;
break;
case IWL_AMSDU_8K:
trans_cfg.rx_buf_size = IWL_AMSDU_8K;
break;
case IWL_AMSDU_12K:
trans_cfg.rx_buf_size = IWL_AMSDU_12K;
break;
default:
zxlogf(ERROR, "%s: Unsupported amsdu_size: %d", KBUILD_MODNAME,
iwlwifi_mod_params.amsdu_size);
trans_cfg.rx_buf_size = rb_size_default;
}
trans->wide_cmd_header = true;
trans_cfg.bc_table_dword = mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_22560;
trans_cfg.command_groups = iwl_mvm_groups;
trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
trans_cfg.scd_set_active = true;
#if 0 // NEEDS_PORTING
trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info, driver_data[2]);
#endif // NEEDS_PORTING
trans_cfg.sw_csum_tx = IWL_MVM_SW_TX_CSUM_OFFLOAD;
#if 0 // NEEDS_PORTING
/* Set a short watchdog for the command queue */
trans_cfg.cmd_q_wdg_timeout = iwl_mvm_get_wd_timeout(mvm, NULL, false, true);
#endif // NEEDS_PORTING
#if 0 // NEEDS_PORTING
snprintf(mvm->hw->wiphy->fw_version, sizeof(mvm->hw->wiphy->fw_version), "%s", fw->fw_version);
#endif // NEEDS_PORTING
/* Configure transport layer */
iwl_trans_configure(mvm->trans, &trans_cfg);
trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
trans->dbg_dest_tlv = mvm->fw->dbg.dest_tlv;
trans->dbg_n_dest_reg = mvm->fw->dbg.n_dest_reg;
memcpy(trans->dbg_conf_tlv, mvm->fw->dbg.conf_tlv, sizeof(trans->dbg_conf_tlv));
trans->dbg_trigger_tlv = mvm->fw->dbg.trigger_tlv;
trans->iml = mvm->fw->iml;
trans->iml_len = mvm->fw->iml_len;
/* set up notification wait support */
iwl_notification_wait_init(&mvm->notif_wait);
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
iwl_dnt_init(mvm->trans, dbgfs_dir);
iwl_tm_init(trans, mvm->fw, &mvm->mutex, mvm);
#endif
/* Init phy db */
mvm->phy_db = iwl_phy_db_init(trans);
if (!mvm->phy_db) {
IWL_ERR(mvm, "Cannot init phy_db\n");
goto out_free;
}
IWL_INFO(mvm, "Detected %s, REV=0x%X\n", mvm->cfg->name, mvm->trans->hw_rev);
if (iwlwifi_mod_params.nvm_file) {
mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
}
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
else if (trans->dbg_cfg.nvm_file) {
mvm->nvm_file_name = trans->dbg_cfg.nvm_file;
}
#endif
else {
IWL_DEBUG_EEPROM(mvm->trans->dev, "working without external nvm file%s\n", "");
}
err = iwl_trans_start_hw(mvm->trans);
if (err) {
goto out_free;
}
mtx_lock(&mvm->mutex);
iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE);
err = iwl_run_init_mvm_ucode(mvm, true);
#if 0 // NEEDS_PORTING
if (test_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &mvm->fwrt.status)) {
iwl_fw_alive_error_dump(&mvm->fwrt);
}
#endif // NEEDS_PORTING
if (!iwlmvm_mod_params.init_dbg || !err) {
iwl_mvm_stop_device(mvm);
}
iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE);
mtx_unlock(&mvm->mutex);
if (err < 0) {
IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err);
goto out_free;
}
scan_size = iwl_mvm_scan_size(mvm);
mvm->scan_cmd = malloc(scan_size);
if (!mvm->scan_cmd) {
goto out_free;
}
/* Set EBS as successful as long as not stated otherwise by the FW. */
mvm->last_ebs_successful = true;
err = iwl_mvm_mac_setup_register(mvm);
if (err) {
goto out_free;
}
mvm->hw_registered = true;
min_backoff = iwl_mvm_min_backoff(mvm);
iwl_mvm_thermal_initialize(mvm, min_backoff);
err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir);
if (err) {
goto out_unregister;
}
if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
memset(&mvm->rx_stats_v3, 0, sizeof(struct mvm_statistics_rx_v3));
} else {
memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
}
#ifdef CPTCFG_IWLWIFI_FRQ_MGR
err = iwl_mvm_fm_register(mvm);
if (err) {
zxlogf(ERROR, "Unable to register with Frequency Manager: %d", err);
}
#endif
/* The transport always starts with a taken reference, we can
* release it now if d0i3 is supported */
if (iwl_mvm_is_d0i3_supported(mvm)) {
iwl_trans_unref(mvm->trans);
}
iwl_mvm_tof_init(mvm);
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
iwl_mvm_init_modparams(mvm);
#endif
#ifdef CPTCFG_IWLMVM_AX_SOFTAP_TESTMODE
mvm->is_bar_enabled = true;
#endif
iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
return op_mode;
out_unregister:
if (iwlmvm_mod_params.init_dbg) {
return op_mode;
}
#if 0 // NEEDS_PORTING
ieee80211_unregister_hw(mvm->hw);
#endif // NEEDS_PORTING
mvm->hw_registered = false;
iwl_mvm_leds_exit(mvm);
iwl_mvm_thermal_exit(mvm);
out_free:
iwl_fw_flush_dump(&mvm->fwrt);
iwl_fw_runtime_free(&mvm->fwrt);
if (iwlmvm_mod_params.init_dbg) {
return op_mode;
}
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
iwl_dnt_free(trans);
#endif
iwl_phy_db_free(mvm->phy_db);
kfree(mvm->scan_cmd);
iwl_trans_op_mode_leave(trans);
free(op_mode);
free(mvm);
return NULL;
}
static void iwl_op_mode_mvm_stop(struct iwl_op_mode* op_mode) {
struct iwl_mvm* mvm = IWL_OP_MODE_GET_MVM(op_mode);
int i;
/* If d0i3 is supported, we have released the reference that
* the transport started with, so we should take it back now
* that we are leaving.
*/
if (iwl_mvm_is_d0i3_supported(mvm)) {
iwl_trans_ref(mvm->trans);
}
iwl_mvm_leds_exit(mvm);
iwl_mvm_thermal_exit(mvm);
if (mvm->init_status & IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE) {
#if 0 // NEEDS_PORTING
ieee80211_unregister_hw(mvm->hw);
#endif // NEEDS_PORTING
mvm->init_status &= ~IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE;
}
#ifdef CPTCFG_IWLWIFI_FRQ_MGR
iwl_mvm_fm_unregister(mvm);
#endif
free(mvm->scan_cmd);
mvm->scan_cmd = NULL;
free(mvm->mcast_filter_cmd);
mvm->mcast_filter_cmd = NULL;
#ifdef CPTCFG_IWLMVM_VENDOR_CMDS
kfree(mvm->mcast_active_filter_cmd);
mvm->mcast_active_filter_cmd = NULL;
#endif
#if defined(CONFIG_PM_SLEEP) && defined(CPTCFG_IWLWIFI_DEBUGFS)
kfree(mvm->d3_resume_sram);
#endif
iwl_trans_op_mode_leave(mvm->trans);
iwl_phy_db_free(mvm->phy_db);
mvm->phy_db = NULL;
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
iwl_dnt_free(mvm->trans);
#endif
kfree(mvm->nvm_data);
for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) {
kfree((void*)mvm->nvm_sections[i].data);
}
iwl_task_release_sync(mvm->scan_timeout_task);
#if 0 // NEEDS_PORTING
cancel_delayed_work_sync(&mvm->tcm.work);
#endif // NEEDS_PORTING
#ifdef CPTCFG_IWLMVM_TDLS_PEER_CACHE
iwl_mvm_tdls_peer_cache_clear(mvm, NULL);
#endif /* CPTCFG_IWLMVM_TDLS_PEER_CACHE */
iwl_mvm_tof_clean(mvm);
iwl_fw_runtime_free(&mvm->fwrt);
mtx_destroy(&mvm->mutex);
mtx_destroy(&mvm->d0i3_suspend_mutex);
free(op_mode);
free(mvm);
}
struct iwl_async_handler_entry {
list_node_t list;
struct iwl_rx_cmd_buffer rxb;
enum iwl_rx_handler_context context;
void (*fn)(struct iwl_mvm* mvm, struct iwl_rx_cmd_buffer* rxb);
};
void iwl_mvm_async_handlers_purge(struct iwl_mvm* mvm) {
struct iwl_async_handler_entry *entry, *tmp;
mtx_lock(&mvm->async_handlers_lock);
list_for_every_entry_safe (&mvm->async_handlers_list, entry, tmp, struct iwl_async_handler_entry,
list) {
iwl_free_rxb(&entry->rxb);
list_delete(&entry->list);
kfree(entry);
}
mtx_unlock(&mvm->async_handlers_lock);
}
#if 0 // NEEDS_PORTING
static void iwl_mvm_async_handlers_wk(struct work_struct* wk) {
struct iwl_mvm* mvm = container_of(wk, struct iwl_mvm, async_handlers_wk);
struct iwl_async_handler_entry *entry, *tmp;
LIST_HEAD(local_list);
/* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
/*
* Sync with Rx path with a lock. Remove all the entries from this list,
* add them to a local one (lock free), and then handle them.
*/
spin_lock_bh(&mvm->async_handlers_lock);
list_splice_init(&mvm->async_handlers_list, &local_list);
spin_unlock_bh(&mvm->async_handlers_lock);
list_for_each_entry_safe(entry, tmp, &local_list, list) {
if (entry->context == RX_HANDLER_ASYNC_LOCKED) { mtx_lock(&mvm->mutex); }
entry->fn(mvm, &entry->rxb);
iwl_free_rxb(&entry->rxb);
list_del(&entry->list);
if (entry->context == RX_HANDLER_ASYNC_LOCKED) { mtx_unlock(&mvm->mutex); }
kfree(entry);
}
}
#endif // NEEDS_PORTING
static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm* mvm, struct iwl_rx_packet* pkt) {
#if 0 // NEEDS_PORTING
struct iwl_fw_dbg_trigger_tlv* trig;
struct iwl_fw_dbg_trigger_cmd* cmds_trig;
int i;
trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, FW_DBG_TRIGGER_FW_NOTIF);
if (!trig) { return; }
cmds_trig = (void*)trig->data;
for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
/* don't collect on CMD 0 */
if (!cmds_trig->cmds[i].cmd_id) { break; }
if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
cmds_trig->cmds[i].group_id != pkt->hdr.group_id) {
continue;
}
iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, "CMD 0x%02x.%02x received", pkt->hdr.group_id,
pkt->hdr.cmd);
break;
}
#endif // NEEDS_PORTING
}
static void iwl_mvm_rx_common(struct iwl_mvm* mvm, struct iwl_rx_cmd_buffer* rxb,
struct iwl_rx_packet* pkt) {
size_t i;
iwl_mvm_rx_check_trigger(mvm, pkt);
/*
* Do the notification wait before RX handlers so
* even if the RX handler consumes the RXB we have
* access to it in the notification wait entry.
*/
iwl_notification_wait_notify(&mvm->notif_wait, pkt);
for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
const struct iwl_rx_handlers* rx_h = &iwl_mvm_rx_handlers[i];
struct iwl_async_handler_entry* entry;
if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) {
continue;
}
if (rx_h->context == RX_HANDLER_SYNC) {
rx_h->fn(mvm, rxb);
return;
}
entry = calloc(1, sizeof(*entry));
/* we can't do much... */
if (!entry) {
return;
}
entry->rxb._iobuf = rxb_steal_iobuf(rxb);
entry->rxb._offset = rxb->_offset;
entry->fn = rx_h->fn;
entry->context = rx_h->context;
mtx_lock(&mvm->async_handlers_lock);
list_add_tail(&mvm->async_handlers_list, &entry->list);
mtx_unlock(&mvm->async_handlers_lock);
#if 0 // NEEDS_PORTING
schedule_work(&mvm->async_handlers_wk);
#endif // NEEDS_PORTING
break;
}
}
static void iwl_mvm_rx(struct iwl_op_mode* op_mode, struct napi_struct* napi,
struct iwl_rx_cmd_buffer* rxb) {
struct iwl_rx_packet* pkt = rxb_addr(rxb);
struct iwl_mvm* mvm = IWL_OP_MODE_GET_MVM(op_mode);
uint16_t cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
/*
* RX data may be forwarded to userspace in case the user
* requested to monitor the rx w/o affecting the regular flow.
* In this case the iwl_test object will handle forwarding the rx
* data to user space.
*/
iwl_tm_gnl_send_rx(mvm->trans, rxb);
#endif
if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) {
iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
} else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD)) {
iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
} else {
iwl_mvm_rx_common(mvm, rxb, pkt);
}
}
static void iwl_mvm_rx_mq(struct iwl_op_mode* op_mode, struct napi_struct* napi,
struct iwl_rx_cmd_buffer* rxb) {
struct iwl_rx_packet* pkt = rxb_addr(rxb);
struct iwl_mvm* mvm = IWL_OP_MODE_GET_MVM(op_mode);
uint16_t cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
/*
* RX data may be forwarded to userspace in case the user
* requested to monitor the rx w/o affecting the regular flow.
* In this case the iwl_test object will handle forwarding the rx
* data to user space.
*/
iwl_tm_gnl_send_rx(mvm->trans, rxb);
#endif
if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) {
iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
} else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, RX_QUEUES_NOTIFICATION))) {
iwl_mvm_rx_queue_notif(mvm, rxb, 0);
} else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) {
iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
} else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) {
iwl_mvm_rx_monitor_ndp(mvm, napi, rxb, 0);
} else {
iwl_mvm_rx_common(mvm, rxb, pkt);
}
}
static void iwl_mvm_async_cb(struct iwl_op_mode* op_mode, const struct iwl_device_cmd* cmd) {
struct iwl_mvm* mvm = IWL_OP_MODE_GET_MVM(op_mode);
/*
* For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA
* commands that need to block the Tx queues.
*/
iwl_trans_block_txq_ptrs(mvm->trans, false);
}
static void iwl_mvm_queue_state_change(struct iwl_op_mode* op_mode, int hw_queue, bool start) {
struct iwl_mvm* mvm = IWL_OP_MODE_GET_MVM(op_mode);
uint8_t sta_id = mvm->queue_info[hw_queue].ra_sta_id;
struct iwl_mvm_sta* mvmsta;
struct iwl_mvm_txq* mvmtxq;
int i;
unsigned long tid_bitmap;
if (WARN_ON_ONCE(sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))) {
return;
}
rcu_read_lock();
mvmsta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
if (IS_ERR_OR_NULL(mvmsta)) {
goto out;
}
if (iwl_mvm_has_new_tx_api(mvm)) {
int tid = mvm->tvqm_info[hw_queue].txq_tid;
tid_bitmap = BIT(tid);
} else {
tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap;
}
for (i = 0; i < (IWL_MAX_TID_COUNT + 1); i++) {
if (!(tid_bitmap & (1 << i))) {
continue;
}
int tid = i;
if (tid == IWL_MAX_TID_COUNT) {
tid = IEEE80211_TIDS_MAX;
}
mvmtxq = mvmsta->txq[tid];
mvmtxq->stopped = !start;
#if 0 // NEEDS_PORTING
if (start) { iwl_mvm_mac_itxq_xmit(mvm->hw, txq); }
#endif // NEEDS_PORTING
}
out:
rcu_read_unlock();
}
static void iwl_mvm_stop_sw_queue(struct iwl_op_mode* op_mode, int hw_queue) {
iwl_mvm_queue_state_change(op_mode, hw_queue, false);
}
static void iwl_mvm_wake_sw_queue(struct iwl_op_mode* op_mode, int hw_queue) {
iwl_mvm_queue_state_change(op_mode, hw_queue, true);
}
static void iwl_mvm_set_rfkill_state(struct iwl_mvm* mvm) {
#if 0 // NEEDS_PORTING
bool state = iwl_mvm_is_radio_killed(mvm);
if (state) { wake_up(&mvm->rx_sync_waitq); }
wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state);
#endif // NEEDS_PORTING
}
void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm* mvm, bool state) {
if (state) {
set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
} else {
clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
}
iwl_mvm_set_rfkill_state(mvm);
}
static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode* op_mode, bool state) {
struct iwl_mvm* mvm = IWL_OP_MODE_GET_MVM(op_mode);
bool calibrating = READ_ONCE(mvm->calibrating);
if (state) {
set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
} else {
clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
}
iwl_mvm_set_rfkill_state(mvm);
#if 0 // NEEDS_PORTING
/* iwl_run_init_mvm_ucode is waiting for results, abort it */
if (calibrating) { iwl_abort_notification_waits(&mvm->notif_wait); }
#endif // NEEDS_PORTING
/*
* Stop the device if we run OPERATIONAL firmware or if we are in the
* middle of the calibrations.
*/
return state && (mvm->fwrt.cur_fw_img != IWL_UCODE_INIT || calibrating);
}
static void iwl_mvm_free_skb(struct iwl_op_mode* op_mode, struct sk_buff* skb) {
#if 0 // NEEDS_PORTING
struct iwl_mvm* mvm = IWL_OP_MODE_GET_MVM(op_mode);
struct ieee80211_tx_info* info;
info = IEEE80211_SKB_CB(skb);
iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
ieee80211_free_txskb(mvm->hw, skb);
#endif // NEEDS_PORTING
}
struct iwl_mvm_reprobe {
struct device* dev;
struct work_struct work;
};
#if 0 // NEEDS_PORTING
static void iwl_mvm_reprobe_wk(struct work_struct* wk) {
struct iwl_mvm_reprobe* reprobe;
reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
if (device_reprobe(reprobe->dev)) {
IWL_ERR(reprobe->dev, "reprobe failed!\n");
}
kfree(reprobe);
module_put(THIS_MODULE);
}
#endif // NEEDS_PORTING
void iwl_mvm_nic_restart(struct iwl_mvm* mvm, bool fw_error) {
IWL_WARN(mvm, "%s() needs porting\n", __func__);
#if 0 // NEEDS_PORTING
iwl_abort_notification_waits(&mvm->notif_wait);
/*
* This is a bit racy, but worst case we tell mac80211 about
* a stopped/aborted scan when that was already done which
* is not a problem. It is necessary to abort any os scan
* here because mac80211 requires having the scan cleared
* before restarting.
* We'll reset the scan_status to NONE in restart cleanup in
* the next start() call from mac80211. If restart isn't called
* (no fw restart) scan status will stay busy.
*/
iwl_mvm_report_scan_aborted(mvm);
/*
* If we're restarting already, don't cycle restarts.
* If INIT fw asserted, it will likely fail again.
* If WoWLAN fw asserted, don't restart either, mac80211
* can't recover this since we're already half suspended.
*/
if (!mvm->fw_restart && fw_error) {
iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert, false, 0);
} else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
struct iwl_mvm_reprobe* reprobe;
IWL_ERR(mvm, "Firmware error during reconfiguration - reprobe!\n");
#if 0 // NEEDS_PORTING
/*
* get a module reference to avoid doing this while unloading
* anyway and to avoid scheduling a work with code that's
* being removed.
*/
if (!try_module_get(THIS_MODULE)) {
IWL_ERR(mvm, "Module is being unloaded - abort\n");
return;
}
#endif // NEEDS_PORTING
reprobe = calloc(1, sizeof(*reprobe));
if (!reprobe) {
#if 0 // NEEDS_PORTING
module_put(THIS_MODULE);
#endif // NEEDS_PORTING
return;
}
reprobe->dev = mvm->trans->dev;
#if 0 // NEEDS_PORTING
INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
schedule_work(&reprobe->work);
#endif // NEEDS_PORTING
} else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && mvm->hw_registered &&
!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
/* don't let the transport/FW power down */
iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
if (fw_error && mvm->fw_restart > 0) { mvm->fw_restart--; }
set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
#if 0 // NEEDS_PORTING
ieee80211_restart_hw(mvm->hw);
#endif // NEEDS_PORTING
}
#endif // NEEDS_PORTING
}
static void iwl_mvm_nic_error(struct iwl_op_mode* op_mode) {
struct iwl_mvm* mvm = IWL_OP_MODE_GET_MVM(op_mode);
if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
iwl_mvm_dump_nic_error_log(mvm);
}
zx_time_t dump_time_usec = (zx_clock_get_monotonic() + 500) / 1000;
char dump_name[64];
snprintf(dump_name, sizeof(dump_name), "nic_error_dump-%05u.%06u",
(unsigned int)(dump_time_usec / 1000000), (unsigned int)(dump_time_usec % 1000000));
iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, dump_name, strlen(dump_name));
iwl_mvm_nic_restart(mvm, true);
}
static void iwl_mvm_cmd_queue_full(struct iwl_op_mode* op_mode) {
struct iwl_mvm* mvm = IWL_OP_MODE_GET_MVM(op_mode);
WARN_ON(1);
iwl_mvm_nic_restart(mvm, true);
}
#ifdef CONFIG_PM
struct iwl_d0i3_iter_data {
struct iwl_mvm* mvm;
struct ieee80211_vif* connected_vif;
uint8_t ap_sta_id;
uint8_t vif_count;
uint8_t offloading_tid;
bool disable_offloading;
};
static bool iwl_mvm_disallow_offloading(struct iwl_mvm* mvm, struct ieee80211_vif* vif,
struct iwl_d0i3_iter_data* iter_data) {
struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm_sta* mvmsta;
uint32_t available_tids = 0;
uint8_t tid;
if (WARN_ON(vif->type != NL80211_IFTYPE_STATION || mvmvif->ap_sta_id == IWL_MVM_INVALID_STA)) {
return false;
}
mvmsta = iwl_mvm_sta_from_staid_rcu(mvm, mvmvif->ap_sta_id);
if (!mvmsta) {
return false;
}
spin_lock_bh(&mvmsta->lock);
for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
struct iwl_mvm_tid_data* tid_data = &mvmsta->tid_data[tid];
/*
* in case of pending tx packets, don't use this tid
* for offloading in order to prevent reuse of the same
* qos seq counters.
*/
if (iwl_mvm_tid_queued(mvm, tid_data)) {
continue;
}
if (tid_data->state != IWL_AGG_OFF) {
continue;
}
available_tids |= BIT(tid);
}
spin_unlock_bh(&mvmsta->lock);
/*
* disallow protocol offloading if we have no available tid
* (with no pending frames and no active aggregation,
* as we don't handle "holes" properly - the scheduler needs the
* frame's seq number and TFD index to match)
*/
if (!available_tids) {
return true;
}
/* for simplicity, just use the first available tid */
iter_data->offloading_tid = ffs(available_tids) - 1;
return false;
}
static void iwl_mvm_enter_d0i3_iterator(void* _data, uint8_t* mac, struct ieee80211_vif* vif) {
struct iwl_d0i3_iter_data* data = _data;
struct iwl_mvm* mvm = data->mvm;
struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif);
uint32_t flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
IWL_DEBUG_RPM(mvm, "entering D0i3 - vif %pM\n", vif->addr);
if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc) {
return;
}
/*
* in case of pending tx packets or active aggregations,
* avoid offloading features in order to prevent reuse of
* the same qos seq counters.
*/
if (iwl_mvm_disallow_offloading(mvm, vif, data)) {
data->disable_offloading = true;
}
iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags);
iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading, false, flags);
/*
* on init/association, mvm already configures POWER_TABLE_CMD
* and REPLY_MCAST_FILTER_CMD, so currently don't
* reconfigure them (we might want to use different
* params later on, though).
*/
data->ap_sta_id = mvmvif->ap_sta_id;
data->vif_count++;
/*
* no new commands can be sent at this stage, so it's safe
* to save the vif pointer during d0i3 entrance.
*/
data->connected_vif = vif;
}
static void iwl_mvm_set_wowlan_data(struct iwl_mvm* mvm, struct iwl_wowlan_config_cmd* cmd,
struct iwl_d0i3_iter_data* iter_data) {
struct ieee80211_sta* ap_sta;
struct iwl_mvm_sta* mvm_ap_sta;
if (iter_data->ap_sta_id == IWL_MVM_INVALID_STA) {
return;
}
rcu_read_lock();
ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[iter_data->ap_sta_id]);
if (IS_ERR_OR_NULL(ap_sta)) {
goto out;
}
mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta);
cmd->is_11n_connection = ap_sta->ht_cap.ht_supported;
cmd->offloading_tid = iter_data->offloading_tid;
cmd->flags =
ENABLE_L3_FILTERING | ENABLE_NBNS_FILTERING | ENABLE_DHCP_FILTERING | ENABLE_STORE_BEACON;
/*
* The d0i3 uCode takes care of the nonqos counters,
* so configure only the qos seq ones.
*/
iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, cmd);
out:
rcu_read_unlock();
}
int iwl_mvm_enter_d0i3(struct iwl_op_mode* op_mode) {
struct iwl_mvm* mvm = IWL_OP_MODE_GET_MVM(op_mode);
uint32_t flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
int ret;
struct iwl_d0i3_iter_data d0i3_iter_data = {
.mvm = mvm,
};
struct iwl_wowlan_config_cmd wowlan_config_cmd = {
.wakeup_filter = cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME | IWL_WOWLAN_WAKEUP_BEACON_MISS |
IWL_WOWLAN_WAKEUP_LINK_CHANGE),
};
struct iwl_d3_manager_config d3_cfg_cmd = {
.min_sleep_time = cpu_to_le32(1000),
.wakeup_flags = cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR),
};
IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n");
if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)) {
return -EINVAL;
}
set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
/*
* iwl_mvm_ref_sync takes a reference before checking the flag.
* so by checking there is no held reference we prevent a state
* in which iwl_mvm_ref_sync continues successfully while we
* configure the firmware to enter d0i3
*/
if (iwl_mvm_ref_taken(mvm)) {
IWL_DEBUG_RPM(mvm->trans, "abort d0i3 due to taken ref\n");
clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
wake_up(&mvm->d0i3_exit_waitq);
return 1;
}
ieee80211_iterate_active_interfaces_atomic(mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_enter_d0i3_iterator, &d0i3_iter_data);
if (d0i3_iter_data.vif_count == 1) {
mvm->d0i3_ap_sta_id = d0i3_iter_data.ap_sta_id;
mvm->d0i3_offloading = !d0i3_iter_data.disable_offloading;
} else {
WARN_ON_ONCE(d0i3_iter_data.vif_count > 1);
mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA;
mvm->d0i3_offloading = false;
}
iwl_mvm_pause_tcm(mvm, true);
/* make sure we have no running tx while configuring the seqno */
synchronize_net();
/* Flush the hw queues, in case something got queued during entry */
/* TODO new tx api */
if (iwl_mvm_has_new_tx_api(mvm)) {
WARN_ONCE(1, "d0i3: Need to implement flush TX queue\n");
} else {
ret = iwl_mvm_flush_tx_path(mvm, iwl_mvm_flushable_queues(mvm), flags);
if (ret) {
return ret;
}
}
/* configure wowlan configuration only if needed */
if (mvm->d0i3_ap_sta_id != IWL_MVM_INVALID_STA) {
/* wake on beacons only if beacon storing isn't supported */
if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_BEACON_STORING)) {
wowlan_config_cmd.wakeup_filter |= cpu_to_le32(IWL_WOWLAN_WAKEUP_BCN_FILTERING);
}
iwl_mvm_wowlan_config_key_params(mvm, d0i3_iter_data.connected_vif, true, flags);
iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd, &d0i3_iter_data);
ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags, sizeof(wowlan_config_cmd),
&wowlan_config_cmd);
if (ret) {
return ret;
}
}
return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD, flags | CMD_MAKE_TRANS_IDLE, sizeof(d3_cfg_cmd),
&d3_cfg_cmd);
}
static void iwl_mvm_exit_d0i3_iterator(void* _data, uint8_t* mac, struct ieee80211_vif* vif) {
struct iwl_mvm* mvm = _data;
uint32_t flags = CMD_ASYNC | CMD_HIGH_PRIO;
IWL_DEBUG_RPM(mvm, "exiting D0i3 - vif %pM\n", vif->addr);
if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc) {
return;
}
iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags);
}
struct iwl_mvm_d0i3_exit_work_iter_data {
struct iwl_mvm* mvm;
struct iwl_wowlan_status* status;
uint32_t wakeup_reasons;
};
static void iwl_mvm_d0i3_exit_work_iter(void* _data, uint8_t* mac, struct ieee80211_vif* vif) {
struct iwl_mvm_d0i3_exit_work_iter_data* data = _data;
struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif);
uint32_t reasons = data->wakeup_reasons;
/* consider only the relevant station interface */
if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc ||
data->mvm->d0i3_ap_sta_id != mvmvif->ap_sta_id) {
return;
}
if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH) {
iwl_mvm_connection_loss(data->mvm, vif, "D0i3");
} else if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON) {
ieee80211_beacon_loss(vif);
} else {
iwl_mvm_d0i3_update_keys(data->mvm, vif, data->status);
}
}
void iwl_mvm_d0i3_enable_tx(struct iwl_mvm* mvm, __le16* qos_seq) {
struct ieee80211_sta* sta = NULL;
struct iwl_mvm_sta* mvm_ap_sta;
int i;
bool wake_queues = false;
iwl_assert_lock_held(&mvm->mutex);
spin_lock_bh(&mvm->d0i3_tx_lock);
if (mvm->d0i3_ap_sta_id == IWL_MVM_INVALID_STA) {
goto out;
}
IWL_DEBUG_RPM(mvm, "re-enqueue packets\n");
/* get the sta in order to update seq numbers and re-enqueue skbs */
sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id],
lockdep_is_held(&mvm->mutex));
if (IS_ERR_OR_NULL(sta)) {
sta = NULL;
goto out;
}
if (mvm->d0i3_offloading && qos_seq) {
/* update qos seq numbers if offloading was enabled */
mvm_ap_sta = iwl_mvm_sta_from_mac80211(sta);
for (i = 0; i < IWL_MAX_TID_COUNT; i++) {
uint16_t seq = le16_to_cpu(qos_seq[i]);
/* firmware stores last-used one, we store next one */
seq += 0x10;
mvm_ap_sta->tid_data[i].seq_number = seq;
}
}
out:
/* re-enqueue (or drop) all packets */
while (!skb_queue_empty(&mvm->d0i3_tx)) {
struct sk_buff* skb = __skb_dequeue(&mvm->d0i3_tx);
if (!sta || iwl_mvm_tx_skb(mvm, skb, sta)) {
ieee80211_free_txskb(mvm->hw, skb);
}
/* if the skb_queue is not empty, we need to wake queues */
wake_queues = true;
}
clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
wake_up(&mvm->d0i3_exit_waitq);
mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA;
if (wake_queues) {
ieee80211_wake_queues(mvm->hw);
}
spin_unlock_bh(&mvm->d0i3_tx_lock);
}
static void iwl_mvm_d0i3_exit_work(struct work_struct* wk) {
struct iwl_mvm* mvm = container_of(wk, struct iwl_mvm, d0i3_exit_work);
struct iwl_mvm_d0i3_exit_work_iter_data iter_data = {
.mvm = mvm,
};
struct iwl_wowlan_status* status;
uint32_t wakeup_reasons = 0;
__le16* qos_seq = NULL;
mtx_lock(&mvm->mutex);
status = iwl_mvm_send_wowlan_get_status(mvm);
if (IS_ERR_OR_NULL(status)) {
/* set to NULL so we don't need to check before kfree'ing */
status = NULL;
goto out;
}
wakeup_reasons = le32_to_cpu(status->wakeup_reasons);
qos_seq = status->qos_seq_ctr;
IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons);
iter_data.wakeup_reasons = wakeup_reasons;
iter_data.status = status;
ieee80211_iterate_active_interfaces(mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_d0i3_exit_work_iter, &iter_data);
out:
iwl_mvm_d0i3_enable_tx(mvm, qos_seq);
IWL_DEBUG_INFO(mvm, "d0i3 exit completed (wakeup reasons: 0x%x)\n", wakeup_reasons);
/* qos_seq might point inside resp_pkt, so free it only now */
kfree(status);
/* the FW might have updated the regdomain */
iwl_mvm_update_changed_regdom(mvm);
iwl_mvm_resume_tcm(mvm);
iwl_mvm_unref(mvm, IWL_MVM_REF_EXIT_WORK);
mtx_unlock(&mvm->mutex);
}
int _iwl_mvm_exit_d0i3(struct iwl_mvm* mvm) {
uint32_t flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE | CMD_WAKE_UP_TRANS;
int ret;
IWL_DEBUG_RPM(mvm, "MVM exiting D0i3\n");
if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)) {
return -EINVAL;
}
mtx_lock(&mvm->d0i3_suspend_mutex);
if (test_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags)) {
IWL_DEBUG_RPM(mvm, "Deferring d0i3 exit until resume\n");
__set_bit(D0I3_PENDING_WAKEUP, &mvm->d0i3_suspend_flags);
mtx_unlock(&mvm->d0i3_suspend_mutex);
return 0;
}
mtx_unlock(&mvm->d0i3_suspend_mutex);
ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL);
if (ret) {
goto out;
}
ieee80211_iterate_active_interfaces_atomic(mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_exit_d0i3_iterator, mvm);
out:
schedule_work(&mvm->d0i3_exit_work);
return ret;
}
int iwl_mvm_exit_d0i3(struct iwl_op_mode* op_mode) {
struct iwl_mvm* mvm = IWL_OP_MODE_GET_MVM(op_mode);
iwl_mvm_ref(mvm, IWL_MVM_REF_EXIT_WORK);
return _iwl_mvm_exit_d0i3(mvm);
}
#define IWL_MVM_D0I3_OPS .enter_d0i3 = iwl_mvm_enter_d0i3, .exit_d0i3 = iwl_mvm_exit_d0i3,
#else /* CONFIG_PM */
#define IWL_MVM_D0I3_OPS
#endif /* CONFIG_PM */
#define IWL_MVM_COMMON_OPS \
/* these could be differentiated */ \
.async_cb = iwl_mvm_async_cb, .queue_full = iwl_mvm_stop_sw_queue, \
.queue_not_full = iwl_mvm_wake_sw_queue, .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \
.free_skb = iwl_mvm_free_skb, .nic_error = iwl_mvm_nic_error, \
.cmd_queue_full = iwl_mvm_cmd_queue_full, .nic_config = iwl_mvm_nic_config, \
IWL_MVM_D0I3_OPS /* as we only register one, these MUST be common! */ \
.start = iwl_op_mode_mvm_start, \
.stop = iwl_op_mode_mvm_stop
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
#define IWL_MVM_COMMON_TEST_OPS \
.test_ops = { \
.send_hcmd = iwl_mvm_tm_send_hcmd, \
.cmd_exec_start = iwl_mvm_tm_cmd_exec_start, \
.cmd_exec_end = iwl_mvm_tm_cmd_exec_end, \
},
#else
#define IWL_MVM_COMMON_TEST_OPS
#endif
static const struct iwl_op_mode_ops iwl_mvm_ops = {
IWL_MVM_COMMON_OPS,
IWL_MVM_COMMON_TEST_OPS.rx = iwl_mvm_rx,
};
static void iwl_mvm_rx_mq_rss(struct iwl_op_mode* op_mode, struct napi_struct* napi,
struct iwl_rx_cmd_buffer* rxb, unsigned int queue) {
struct iwl_mvm* mvm = IWL_OP_MODE_GET_MVM(op_mode);
struct iwl_rx_packet* pkt = rxb_addr(rxb);
uint16_t cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))) {
iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
} else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, RX_QUEUES_NOTIFICATION))) {
iwl_mvm_rx_queue_notif(mvm, rxb, queue);
} else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) {
iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
}
}
static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
IWL_MVM_COMMON_OPS,
IWL_MVM_COMMON_TEST_OPS.rx = iwl_mvm_rx_mq,
.rx_rss = iwl_mvm_rx_mq_rss,
};