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ops.c
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ops.c
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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
* Copyright (C) 2012-2014, 2018-2020 Intel Corporation
* Copyright (C) 2013-2015 Intel Mobile Communications GmbH
* Copyright (C) 2016-2017 Intel Deutschland GmbH
*/
#include <linux/module.h>
#include <linux/vmalloc.h>
#include <net/mac80211.h>
#include "fw/notif-wait.h"
#include "iwl-trans.h"
#include "iwl-op-mode.h"
#include "fw/img.h"
#include "iwl-debug.h"
#include "iwl-drv.h"
#include "iwl-modparams.h"
#include "mvm.h"
#include "iwl-phy-db.h"
#include "iwl-eeprom-parse.h"
#include "iwl-csr.h"
#include "iwl-io.h"
#include "iwl-prph.h"
#include "rs.h"
#include "fw/api/scan.h"
#include "time-event.h"
#include "fw-api.h"
#include "fw/acpi.h"
#define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
MODULE_DESCRIPTION(DRV_DESCRIPTION);
MODULE_AUTHOR(DRV_AUTHOR);
MODULE_LICENSE("GPL");
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,
/* rest of fields are 0 by default */
};
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 init and exit functions
*/
static int __init iwl_mvm_init(void)
{
int ret;
ret = iwl_mvm_rate_control_register();
if (ret) {
pr_err("Unable to register rate control algorithm: %d\n", ret);
return ret;
}
ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
if (ret)
pr_err("Unable to register MVM op_mode: %d\n", ret);
return ret;
}
module_init(iwl_mvm_init);
static void __exit iwl_mvm_exit(void)
{
iwl_opmode_deregister("iwlmvm");
iwl_mvm_rate_control_unregister();
}
module_exit(iwl_mvm_exit);
static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
{
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
struct iwl_trans_debug *dbg = &mvm->trans->dbg;
u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
u32 reg_val = 0;
u32 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->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) ||
(iwl_trans_dbg_ini_valid(mvm->trans) &&
dbg->fw_mon_cfg[IWL_FW_INI_ALLOCATION_ID_INTERNAL].buf_location)
)
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);
/*
* 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);
}
static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_datapath_monitor_notif *notif = (void *)pkt->data;
struct ieee80211_supported_band *sband;
const struct ieee80211_sta_he_cap *he_cap;
struct ieee80211_vif *vif;
if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA))
return;
vif = iwl_mvm_get_vif_by_macid(mvm, notif->mac_id);
if (!vif || vif->type != NL80211_IFTYPE_STATION)
return;
if (!vif->bss_conf.chandef.chan ||
vif->bss_conf.chandef.chan->band != NL80211_BAND_2GHZ ||
vif->bss_conf.chandef.width < NL80211_CHAN_WIDTH_40)
return;
if (!vif->bss_conf.assoc)
return;
/* this shouldn't happen *again*, ignore it */
if (mvm->cca_40mhz_workaround)
return;
/*
* We'll decrement this on disconnect - so set to 2 since we'll
* still have to disconnect from the current AP first.
*/
mvm->cca_40mhz_workaround = 2;
/*
* This capability manipulation isn't really ideal, but it's the
* easiest choice - otherwise we'd have to do some major changes
* in mac80211 to support this, which isn't worth it. This does
* mean that userspace may have outdated information, but that's
* actually not an issue at all.
*/
sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ];
WARN_ON(!sband->ht_cap.ht_supported);
WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40));
sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
he_cap = ieee80211_get_he_iftype_cap(sband,
ieee80211_vif_type_p2p(vif));
if (he_cap) {
/* we know that ours is writable */
struct ieee80211_sta_he_cap *he = (void *)he_cap;
WARN_ON(!he->has_he);
WARN_ON(!(he->he_cap_elem.phy_cap_info[0] &
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G));
he->he_cap_elem.phy_cap_info[0] &=
~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
}
ieee80211_disconnect(vif, true);
}
/**
* 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 {
u16 cmd_id, min_size;
enum iwl_rx_handler_context context;
void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
};
#define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \
{ .cmd_id = _cmd_id, .fn = _fn, .context = _context, }
#define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \
{ .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, }
#define RX_HANDLER(_cmd_id, _fn, _context, _struct) \
{ .cmd_id = _cmd_id, .fn = _fn, \
.context = _context, .min_size = sizeof(_struct), }
#define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \
{ .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \
.context = _context, .min_size = sizeof(_struct), }
/*
* 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,
struct iwl_mvm_tx_resp),
RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC,
struct iwl_mvm_ba_notif),
RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC,
struct iwl_tlc_update_notif),
RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif,
RX_HANDLER_ASYNC_LOCKED, struct iwl_bt_coex_profile_notif),
RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER_NO_SIZE(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,
struct iwl_ba_window_status_notif),
RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
RX_HANDLER_SYNC, struct iwl_time_event_notif),
RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF,
iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC,
struct iwl_mvm_session_prot_notif),
RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif),
RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC,
struct iwl_mvm_eosp_notification),
RX_HANDLER(SCAN_ITERATION_COMPLETE,
iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC,
struct iwl_lmac_scan_complete_notif),
RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
iwl_mvm_rx_lmac_scan_complete_notif,
RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete),
RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION,
iwl_mvm_rx_scan_match_found,
RX_HANDLER_SYNC),
RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
RX_HANDLER_ASYNC_LOCKED, struct iwl_umac_scan_complete),
RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC,
struct iwl_umac_scan_iter_complete_notif),
RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif,
RX_HANDLER_SYNC, struct iwl_card_state_notif),
RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
RX_HANDLER_SYNC, struct iwl_missed_beacons_notif),
RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC,
struct iwl_error_resp),
RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC,
struct iwl_uapsd_misbehaving_ap_notif),
RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER_GRP_NO_SIZE(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,
struct ct_kill_notif),
RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
RX_HANDLER_ASYNC_LOCKED,
struct iwl_tdls_channel_switch_notif),
RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1),
RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED,
struct iwl_ftm_responder_stats),
RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF,
iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF,
iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC,
struct iwl_mfu_assert_dump_notif),
RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC,
struct iwl_stored_beacon_notif),
RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC,
struct iwl_mu_group_mgmt_notif),
RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC,
struct iwl_mvm_pm_state_notification),
RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF,
iwl_mvm_probe_resp_data_notif,
RX_HANDLER_ASYNC_LOCKED,
struct iwl_probe_resp_data_notif),
RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_NOA_NOTIF,
iwl_mvm_channel_switch_noa_notif,
RX_HANDLER_SYNC, struct iwl_channel_switch_noa_notif),
RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF,
iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED,
struct iwl_datapath_monitor_notif),
};
#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(UCODE_ALIVE_NTFY),
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(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),
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),
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(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(BAR_FRAME_RELEASE),
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(LDBG_CONFIG_CMD),
};
/* 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(INIT_EXTENDED_CFG_CMD),
HCMD_NAME(FW_ERROR_RECOVERY_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_TIME_EVENT_CMD),
HCMD_NAME(SESSION_PROTECTION_CMD),
HCMD_NAME(SESSION_PROTECTION_NOTIF),
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),
HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
HCMD_NAME(TLC_MNG_CONFIG_CMD),
HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD),
HCMD_NAME(MONITOR_NOTIF),
HCMD_NAME(STA_PM_NOTIF),
HCMD_NAME(MU_GROUP_MGMT_NOTIF),
HCMD_NAME(RX_QUEUES_NOTIFICATION),
};
/* Please keep this array *SORTED* by hex value.
* Access is done through binary search
*/
static const struct iwl_hcmd_names iwl_mvm_location_names[] = {
HCMD_NAME(TOF_RANGE_REQ_CMD),
HCMD_NAME(TOF_CONFIG_CMD),
HCMD_NAME(TOF_RANGE_ABORT_CMD),
HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
HCMD_NAME(TOF_LC_NOTIF),
HCMD_NAME(TOF_RESPONDER_STATS),
HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
HCMD_NAME(TOF_RANGE_RESPONSE_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),
HCMD_NAME(TAS_CONFIG),
};
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),
[LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
[PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
[REGULATORY_AND_NVM_GROUP] =
HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
};
/* this forward declaration can avoid to export the function */
static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
{
const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
u64 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;
}
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;
mutex_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);
RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
unlock:
mutex_unlock(&mvm->mutex);
}
static int iwl_mvm_fwrt_dump_start(void *ctx)
{
struct iwl_mvm *mvm = ctx;
mutex_lock(&mvm->mutex);
return 0;
}
static void iwl_mvm_fwrt_dump_end(void *ctx)
{
struct iwl_mvm *mvm = ctx;
mutex_unlock(&mvm->mutex);
}
static bool iwl_mvm_fwrt_fw_running(void *ctx)
{
return iwl_mvm_firmware_running(ctx);
}
static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
{
struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
int ret;
mutex_lock(&mvm->mutex);
ret = iwl_mvm_send_cmd(mvm, host_cmd);
mutex_unlock(&mvm->mutex);
return ret;
}
static bool iwl_mvm_d3_debug_enable(void *ctx)
{
return IWL_MVM_D3_DEBUG;
}
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,
.d3_debug_enable = iwl_mvm_d3_debug_enable,
};
static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm)
{
int ret;
mutex_lock(&mvm->mutex);
ret = iwl_run_init_mvm_ucode(mvm);
if (ret && ret != -ERFKILL)
iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
if (!iwlmvm_mod_params.init_dbg || !ret)
iwl_mvm_stop_device(mvm);
mutex_unlock(&mvm->mutex);
if (ret < 0)
IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
return ret;
}
static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm)
{
int ret;
iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
ret = iwl_mvm_mac_setup_register(mvm);
if (ret)
return ret;
mvm->hw_registered = true;
iwl_mvm_dbgfs_register(mvm);
return 0;
}
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 ieee80211_hw *hw;
struct iwl_op_mode *op_mode;
struct iwl_mvm *mvm;
struct iwl_trans_config trans_cfg = {};
static const u8 no_reclaim_cmds[] = {
TX_CMD,
};
int err, scan_size;
u32 min_backoff;
enum iwl_amsdu_size rb_size_default;
/*
* We use IWL_MVM_STATION_COUNT_MAX 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_MAX);
/********************************
* 1. Allocating and configuring HW data
********************************/
hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
sizeof(struct iwl_mvm),
&iwl_mvm_hw_ops);
if (!hw)
return NULL;
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;
op_mode = hw->priv;
mvm = IWL_OP_MODE_GET_MVM(op_mode);
mvm->dev = trans->dev;
mvm->trans = trans;
mvm->cfg = cfg;
mvm->fw = fw;
mvm->hw = hw;
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->trans_cfg->device_family >=
IWL_DEVICE_FAMILY_AX210) ?
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;
if (iwl_mvm_has_new_tx_api(mvm)) {
/*
* If we have the new TX/queue allocation API initialize them
* all to invalid numbers. We'll rewrite the ones that we need
* later, but that doesn't happen for all of them all of the
* time (e.g. P2P Device is optional), and if a dynamic queue
* ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then
* iwl_mvm_is_static_queue() erroneously returns true, and we
* might have things getting stuck.
*/
mvm->aux_queue = IWL_MVM_INVALID_QUEUE;
mvm->snif_queue = IWL_MVM_INVALID_QUEUE;
mvm->probe_queue = IWL_MVM_INVALID_QUEUE;
mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE;
} else {
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;
mutex_init(&mvm->mutex);
spin_lock_init(&mvm->async_handlers_lock);
INIT_LIST_HEAD(&mvm->time_event_list);
INIT_LIST_HEAD(&mvm->aux_roc_te_list);
INIT_LIST_HEAD(&mvm->async_handlers_list);
spin_lock_init(&mvm->time_event_lock);
INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list);
INIT_LIST_HEAD(&mvm->resp_pasn_list);
INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
INIT_LIST_HEAD(&mvm->add_stream_txqs);
init_waitqueue_head(&mvm->rx_sync_waitq);
mvm->queue_sync_state = 0;
SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
spin_lock_init(&mvm->tcm.lock);
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;
INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
mvm->cmd_ver.d0i3_resp =
iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, D0I3_END_CMD,
0);
/* we only support version 1 */
if (WARN_ON_ONCE(mvm->cmd_ver.d0i3_resp > 1))
goto out_free;
mvm->cmd_ver.range_resp =
iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP,
TOF_RANGE_RESPONSE_NOTIF, 5);
/* we only support up to version 8 */
if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 8))
goto out_free;
/*
* 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->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
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:
pr_err("%s: Unsupported amsdu_size: %d\n", 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->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210;
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;
trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info,
driver_data[2]);
/* Set a short watchdog for the command queue */
trans_cfg.cmd_q_wdg_timeout =
iwl_mvm_get_wd_timeout(mvm, NULL, false, true);
snprintf(mvm->hw->wiphy->fw_version,
sizeof(mvm->hw->wiphy->fw_version),
"%s", fw->fw_version);
trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE);
/* 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);
/* 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->trans->name, mvm->trans->hw_rev);
if (iwlwifi_mod_params.nvm_file)
mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
else
IWL_DEBUG_EEPROM(mvm->trans->dev,
"working without external nvm file\n");
err = iwl_trans_start_hw(mvm->trans);
if (err)
goto out_free;
scan_size = iwl_mvm_scan_size(mvm);
mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
if (!mvm->scan_cmd)
goto out_free;
/* invalidate ids to prevent accidental removal of sta_id 0 */
mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA;
mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA;
/* Set EBS as successful as long as not stated otherwise by the FW. */
mvm->last_ebs_successful = true;
min_backoff = iwl_mvm_min_backoff(mvm);
iwl_mvm_thermal_initialize(mvm, min_backoff);
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));
mvm->debugfs_dir = dbgfs_dir;
if (iwl_mvm_start_get_nvm(mvm))
goto out_thermal_exit;
if (iwl_mvm_start_post_nvm(mvm))
goto out_thermal_exit;
return op_mode;
out_thermal_exit:
iwl_mvm_thermal_exit(mvm);
out_free:
iwl_fw_flush_dumps(&mvm->fwrt);
iwl_fw_runtime_free(&mvm->fwrt);
if (iwlmvm_mod_params.init_dbg)
return op_mode;
iwl_phy_db_free(mvm->phy_db);
kfree(mvm->scan_cmd);
iwl_trans_op_mode_leave(trans);
ieee80211_free_hw(mvm->hw);
return NULL;
}
void iwl_mvm_stop_device(struct iwl_mvm *mvm)
{
lockdep_assert_held(&mvm->mutex);
iwl_fw_cancel_timestamp(&mvm->fwrt);
clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
iwl_fw_dbg_stop_sync(&mvm->fwrt);
iwl_trans_stop_device(mvm->trans);
iwl_free_fw_paging(&mvm->fwrt);
iwl_fw_dump_conf_clear(&mvm->fwrt);
}
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;
iwl_mvm_leds_exit(mvm);
iwl_mvm_thermal_exit(mvm);
ieee80211_unregister_hw(mvm->hw);
kfree(mvm->scan_cmd);
kfree(mvm->mcast_filter_cmd);
mvm->mcast_filter_cmd = NULL;
kfree(mvm->error_recovery_buf);