1e705c121SKalle Valo /****************************************************************************** 2e705c121SKalle Valo * 3e705c121SKalle Valo * This file is provided under a dual BSD/GPLv2 license. When using or 4e705c121SKalle Valo * redistributing this file, you may do so under either license. 5e705c121SKalle Valo * 6e705c121SKalle Valo * GPL LICENSE SUMMARY 7e705c121SKalle Valo * 8e705c121SKalle Valo * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 9e705c121SKalle Valo * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 10de8ba41bSLiad Kaufman * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 11d47cdb88SJohannes Berg * Copyright(c) 2018 - 2019 Intel Corporation 12e705c121SKalle Valo * 13e705c121SKalle Valo * This program is free software; you can redistribute it and/or modify 14e705c121SKalle Valo * it under the terms of version 2 of the GNU General Public License as 15e705c121SKalle Valo * published by the Free Software Foundation. 16e705c121SKalle Valo * 17e705c121SKalle Valo * This program is distributed in the hope that it will be useful, but 18e705c121SKalle Valo * WITHOUT ANY WARRANTY; without even the implied warranty of 19e705c121SKalle Valo * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20e705c121SKalle Valo * General Public License for more details. 21e705c121SKalle Valo * 22e705c121SKalle Valo * The full GNU General Public License is included in this distribution 23e705c121SKalle Valo * in the file called COPYING. 24e705c121SKalle Valo * 25e705c121SKalle Valo * Contact Information: 26cb2f8277SEmmanuel Grumbach * Intel Linux Wireless <linuxwifi@intel.com> 27e705c121SKalle Valo * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 28e705c121SKalle Valo * 29e705c121SKalle Valo * BSD LICENSE 30e705c121SKalle Valo * 31e705c121SKalle Valo * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 32e705c121SKalle Valo * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 33de8ba41bSLiad Kaufman * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 34d47cdb88SJohannes Berg * Copyright(c) 2018 - 2019 Intel Corporation 35e705c121SKalle Valo * All rights reserved. 36e705c121SKalle Valo * 37e705c121SKalle Valo * Redistribution and use in source and binary forms, with or without 38e705c121SKalle Valo * modification, are permitted provided that the following conditions 39e705c121SKalle Valo * are met: 40e705c121SKalle Valo * 41e705c121SKalle Valo * * Redistributions of source code must retain the above copyright 42e705c121SKalle Valo * notice, this list of conditions and the following disclaimer. 43e705c121SKalle Valo * * Redistributions in binary form must reproduce the above copyright 44e705c121SKalle Valo * notice, this list of conditions and the following disclaimer in 45e705c121SKalle Valo * the documentation and/or other materials provided with the 46e705c121SKalle Valo * distribution. 47e705c121SKalle Valo * * Neither the name Intel Corporation nor the names of its 48e705c121SKalle Valo * contributors may be used to endorse or promote products derived 49e705c121SKalle Valo * from this software without specific prior written permission. 50e705c121SKalle Valo * 51e705c121SKalle Valo * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 52e705c121SKalle Valo * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 53e705c121SKalle Valo * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 54e705c121SKalle Valo * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 55e705c121SKalle Valo * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 56e705c121SKalle Valo * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 57e705c121SKalle Valo * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 58e705c121SKalle Valo * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 59e705c121SKalle Valo * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 60e705c121SKalle Valo * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 61e705c121SKalle Valo * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62e705c121SKalle Valo * 63e705c121SKalle Valo *****************************************************************************/ 64e705c121SKalle Valo #include <linux/module.h> 65e705c121SKalle Valo #include <linux/vmalloc.h> 66e705c121SKalle Valo #include <net/mac80211.h> 67e705c121SKalle Valo 689fca9d5cSJohannes Berg #include "fw/notif-wait.h" 69e705c121SKalle Valo #include "iwl-trans.h" 70e705c121SKalle Valo #include "iwl-op-mode.h" 71d962f9b1SJohannes Berg #include "fw/img.h" 72e705c121SKalle Valo #include "iwl-debug.h" 73e705c121SKalle Valo #include "iwl-drv.h" 74e705c121SKalle Valo #include "iwl-modparams.h" 75e705c121SKalle Valo #include "mvm.h" 76e705c121SKalle Valo #include "iwl-phy-db.h" 77e705c121SKalle Valo #include "iwl-eeprom-parse.h" 78e705c121SKalle Valo #include "iwl-csr.h" 79e705c121SKalle Valo #include "iwl-io.h" 80e705c121SKalle Valo #include "iwl-prph.h" 81e705c121SKalle Valo #include "rs.h" 82d172a5efSJohannes Berg #include "fw/api/scan.h" 83e705c121SKalle Valo #include "time-event.h" 8439bdb17eSSharon Dvir #include "fw-api.h" 85f2abcfa6SLuca Coelho #include "fw/acpi.h" 86e705c121SKalle Valo 87e705c121SKalle Valo #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux" 88e705c121SKalle Valo MODULE_DESCRIPTION(DRV_DESCRIPTION); 89e705c121SKalle Valo MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); 90e705c121SKalle Valo MODULE_LICENSE("GPL"); 91e705c121SKalle Valo 92e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops; 93e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops_mq; 94e705c121SKalle Valo 95e705c121SKalle Valo struct iwl_mvm_mod_params iwlmvm_mod_params = { 96e705c121SKalle Valo .power_scheme = IWL_POWER_SCHEME_BPS, 97e705c121SKalle Valo .tfd_q_hang_detect = true 98e705c121SKalle Valo /* rest of fields are 0 by default */ 99e705c121SKalle Valo }; 100e705c121SKalle Valo 1012ef00c53SJoe Perches module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444); 102e705c121SKalle Valo MODULE_PARM_DESC(init_dbg, 103e705c121SKalle Valo "set to true to debug an ASSERT in INIT fw (default: false"); 1042ef00c53SJoe Perches module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444); 105e705c121SKalle Valo MODULE_PARM_DESC(power_scheme, 106e705c121SKalle Valo "power management scheme: 1-active, 2-balanced, 3-low power, default: 2"); 107e705c121SKalle Valo module_param_named(tfd_q_hang_detect, iwlmvm_mod_params.tfd_q_hang_detect, 1082ef00c53SJoe Perches bool, 0444); 109e705c121SKalle Valo MODULE_PARM_DESC(tfd_q_hang_detect, 110e705c121SKalle Valo "TFD queues hang detection (default: true"); 111e705c121SKalle Valo 112e705c121SKalle Valo /* 113e705c121SKalle Valo * module init and exit functions 114e705c121SKalle Valo */ 115e705c121SKalle Valo static int __init iwl_mvm_init(void) 116e705c121SKalle Valo { 117e705c121SKalle Valo int ret; 118e705c121SKalle Valo 119e705c121SKalle Valo ret = iwl_mvm_rate_control_register(); 120e705c121SKalle Valo if (ret) { 121e705c121SKalle Valo pr_err("Unable to register rate control algorithm: %d\n", ret); 122e705c121SKalle Valo return ret; 123e705c121SKalle Valo } 124e705c121SKalle Valo 125e705c121SKalle Valo ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops); 1269f66a397SGregory Greenman if (ret) 127e705c121SKalle Valo pr_err("Unable to register MVM op_mode: %d\n", ret); 128e705c121SKalle Valo 129e705c121SKalle Valo return ret; 130e705c121SKalle Valo } 131e705c121SKalle Valo module_init(iwl_mvm_init); 132e705c121SKalle Valo 133e705c121SKalle Valo static void __exit iwl_mvm_exit(void) 134e705c121SKalle Valo { 135e705c121SKalle Valo iwl_opmode_deregister("iwlmvm"); 136e705c121SKalle Valo iwl_mvm_rate_control_unregister(); 137e705c121SKalle Valo } 138e705c121SKalle Valo module_exit(iwl_mvm_exit); 139e705c121SKalle Valo 140e705c121SKalle Valo static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) 141e705c121SKalle Valo { 142e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 143e705c121SKalle Valo u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; 144e705c121SKalle Valo u32 reg_val = 0; 145e705c121SKalle Valo u32 phy_config = iwl_mvm_get_phy_config(mvm); 146e705c121SKalle Valo 147e705c121SKalle Valo radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> 148e705c121SKalle Valo FW_PHY_CFG_RADIO_TYPE_POS; 149e705c121SKalle Valo radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> 150e705c121SKalle Valo FW_PHY_CFG_RADIO_STEP_POS; 151e705c121SKalle Valo radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> 152e705c121SKalle Valo FW_PHY_CFG_RADIO_DASH_POS; 153e705c121SKalle Valo 154e705c121SKalle Valo /* SKU control */ 155e705c121SKalle Valo reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) << 156e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_POS_MAC_STEP; 157e705c121SKalle Valo reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) << 158e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_POS_MAC_DASH; 159e705c121SKalle Valo 160e705c121SKalle Valo /* radio configuration */ 161e705c121SKalle Valo reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE; 162e705c121SKalle Valo reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP; 163e705c121SKalle Valo reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; 164e705c121SKalle Valo 165e705c121SKalle Valo WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & 166e705c121SKalle Valo ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); 167e705c121SKalle Valo 168e705c121SKalle Valo /* 1696e584873SSara Sharon * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC 1706e584873SSara Sharon * sampling, and shouldn't be set to any non-zero value. 1716e584873SSara Sharon * The same is supposed to be true of the other HW, but unsetting 1726e584873SSara Sharon * them (such as the 7260) causes automatic tests to fail on seemingly 1736e584873SSara Sharon * unrelated errors. Need to further investigate this, but for now 1746e584873SSara Sharon * we'll separate cases. 175e705c121SKalle Valo */ 1766e584873SSara Sharon if (mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_8000) 177e705c121SKalle Valo reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; 178e705c121SKalle Valo 1792d8c2615SShahar S Matityahu if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt)) 1802d8c2615SShahar S Matityahu reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG; 1812d8c2615SShahar S Matityahu 182e705c121SKalle Valo iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, 183e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH | 184e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP | 185e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | 186e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | 187e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | 188e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | 1892d8c2615SShahar S Matityahu CSR_HW_IF_CONFIG_REG_BIT_MAC_SI | 1902d8c2615SShahar S Matityahu CSR_HW_IF_CONFIG_REG_D3_DEBUG, 191e705c121SKalle Valo reg_val); 192e705c121SKalle Valo 193e705c121SKalle Valo IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, 194e705c121SKalle Valo radio_cfg_step, radio_cfg_dash); 195e705c121SKalle Valo 196e705c121SKalle Valo /* 197e705c121SKalle Valo * W/A : NIC is stuck in a reset state after Early PCIe power off 198e705c121SKalle Valo * (PCIe power is lost before PERST# is asserted), causing ME FW 199e705c121SKalle Valo * to lose ownership and not being able to obtain it back. 200e705c121SKalle Valo */ 201e705c121SKalle Valo if (!mvm->trans->cfg->apmg_not_supported) 202e705c121SKalle Valo iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, 203e705c121SKalle Valo APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, 204e705c121SKalle Valo ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); 205e705c121SKalle Valo } 206e705c121SKalle Valo 207c9cb14a6SChaya Rachel Ivgi /** 208c9cb14a6SChaya Rachel Ivgi * enum iwl_rx_handler_context context for Rx handler 209c9cb14a6SChaya Rachel Ivgi * @RX_HANDLER_SYNC : this means that it will be called in the Rx path 210c9cb14a6SChaya Rachel Ivgi * which can't acquire mvm->mutex. 211c9cb14a6SChaya Rachel Ivgi * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex 212c9cb14a6SChaya Rachel Ivgi * (and only in this case!), it should be set as ASYNC. In that case, 213c9cb14a6SChaya Rachel Ivgi * it will be called from a worker with mvm->mutex held. 214c9cb14a6SChaya Rachel Ivgi * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the 215c9cb14a6SChaya Rachel Ivgi * mutex itself, it will be called from a worker without mvm->mutex held. 216c9cb14a6SChaya Rachel Ivgi */ 217c9cb14a6SChaya Rachel Ivgi enum iwl_rx_handler_context { 218c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC, 219c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED, 220c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_UNLOCKED, 221c9cb14a6SChaya Rachel Ivgi }; 222c9cb14a6SChaya Rachel Ivgi 223c9cb14a6SChaya Rachel Ivgi /** 224c9cb14a6SChaya Rachel Ivgi * struct iwl_rx_handlers handler for FW notification 225c9cb14a6SChaya Rachel Ivgi * @cmd_id: command id 226c9cb14a6SChaya Rachel Ivgi * @context: see &iwl_rx_handler_context 227c9cb14a6SChaya Rachel Ivgi * @fn: the function is called when notification is received 228c9cb14a6SChaya Rachel Ivgi */ 229e705c121SKalle Valo struct iwl_rx_handlers { 230e705c121SKalle Valo u16 cmd_id; 231c9cb14a6SChaya Rachel Ivgi enum iwl_rx_handler_context context; 232e705c121SKalle Valo void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 233e705c121SKalle Valo }; 234e705c121SKalle Valo 235c9cb14a6SChaya Rachel Ivgi #define RX_HANDLER(_cmd_id, _fn, _context) \ 236c9cb14a6SChaya Rachel Ivgi { .cmd_id = _cmd_id, .fn = _fn, .context = _context } 237c9cb14a6SChaya Rachel Ivgi #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context) \ 238c9cb14a6SChaya Rachel Ivgi { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context } 239e705c121SKalle Valo 240e705c121SKalle Valo /* 241e705c121SKalle Valo * Handlers for fw notifications 242e705c121SKalle Valo * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME 243e705c121SKalle Valo * This list should be in order of frequency for performance purposes. 244e705c121SKalle Valo * 245c9cb14a6SChaya Rachel Ivgi * The handler can be one from three contexts, see &iwl_rx_handler_context 246e705c121SKalle Valo */ 247e705c121SKalle Valo static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { 248c9cb14a6SChaya Rachel Ivgi RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC), 249c9cb14a6SChaya Rachel Ivgi RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC), 250e705c121SKalle Valo 25184226ca1SGregory Greenman RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF, 25284226ca1SGregory Greenman iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC), 25384226ca1SGregory Greenman 254c9cb14a6SChaya Rachel Ivgi RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, 255c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 256c9cb14a6SChaya Rachel Ivgi RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, 257c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 258c9cb14a6SChaya Rachel Ivgi RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, 259c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 260e705c121SKalle Valo 2613af512d6SSara Sharon RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, 262c9cb14a6SChaya Rachel Ivgi iwl_mvm_window_status_notif, RX_HANDLER_SYNC), 2633af512d6SSara Sharon 264c9cb14a6SChaya Rachel Ivgi RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, 265c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC), 266c9cb14a6SChaya Rachel Ivgi RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, 267c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 268e705c121SKalle Valo 269c9cb14a6SChaya Rachel Ivgi RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC), 270e705c121SKalle Valo 271e705c121SKalle Valo RX_HANDLER(SCAN_ITERATION_COMPLETE, 272c9cb14a6SChaya Rachel Ivgi iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC), 273e705c121SKalle Valo RX_HANDLER(SCAN_OFFLOAD_COMPLETE, 274c9cb14a6SChaya Rachel Ivgi iwl_mvm_rx_lmac_scan_complete_notif, 275c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 276e705c121SKalle Valo RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found, 277c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC), 278e705c121SKalle Valo RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, 279c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 280e705c121SKalle Valo RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, 281c9cb14a6SChaya Rachel Ivgi iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC), 282e705c121SKalle Valo 283c9cb14a6SChaya Rachel Ivgi RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, 284c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC), 285e705c121SKalle Valo 286e705c121SKalle Valo RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, 287c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC), 288e705c121SKalle Valo 289c9cb14a6SChaya Rachel Ivgi RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC), 290e705c121SKalle Valo RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, 291c9cb14a6SChaya Rachel Ivgi iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC), 292c9cb14a6SChaya Rachel Ivgi RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, 293c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 294e705c121SKalle Valo RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, 295ec77a33eSChaya Rachel Ivgi iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), 2960a3b7119SChaya Rachel Ivgi RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, 297c9cb14a6SChaya Rachel Ivgi iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC), 298e705c121SKalle Valo 299e705c121SKalle Valo RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, 300c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 301c9cb14a6SChaya Rachel Ivgi RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, 302c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC), 303b73f9a4aSJohannes Berg RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS, 304b73f9a4aSJohannes Berg iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED), 305fc36ffdaSJohannes Berg 306fc36ffdaSJohannes Berg RX_HANDLER_GRP(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF, 307fc36ffdaSJohannes Berg iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED), 308fc36ffdaSJohannes Berg RX_HANDLER_GRP(LOCATION_GROUP, TOF_LC_NOTIF, 309fc36ffdaSJohannes Berg iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED), 310fc36ffdaSJohannes Berg 311bdccdb85SGolan Ben-Ami RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, 312bdccdb85SGolan Ben-Ami iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC), 3130db056d3SSara Sharon RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, 314c9cb14a6SChaya Rachel Ivgi iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC), 315f92659a1SSara Sharon RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, 316c9cb14a6SChaya Rachel Ivgi iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC), 31765e25482SJohannes Berg RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF, 31865e25482SJohannes Berg iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC), 319e705c121SKalle Valo }; 320e705c121SKalle Valo #undef RX_HANDLER 321e705c121SKalle Valo #undef RX_HANDLER_GRP 322e705c121SKalle Valo 32339bdb17eSSharon Dvir /* Please keep this array *SORTED* by hex value. 32439bdb17eSSharon Dvir * Access is done through binary search 32539bdb17eSSharon Dvir */ 32639bdb17eSSharon Dvir static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { 32739bdb17eSSharon Dvir HCMD_NAME(MVM_ALIVE), 32839bdb17eSSharon Dvir HCMD_NAME(REPLY_ERROR), 32939bdb17eSSharon Dvir HCMD_NAME(ECHO_CMD), 33039bdb17eSSharon Dvir HCMD_NAME(INIT_COMPLETE_NOTIF), 33139bdb17eSSharon Dvir HCMD_NAME(PHY_CONTEXT_CMD), 33239bdb17eSSharon Dvir HCMD_NAME(DBG_CFG), 33339bdb17eSSharon Dvir HCMD_NAME(SCAN_CFG_CMD), 33439bdb17eSSharon Dvir HCMD_NAME(SCAN_REQ_UMAC), 33539bdb17eSSharon Dvir HCMD_NAME(SCAN_ABORT_UMAC), 33639bdb17eSSharon Dvir HCMD_NAME(SCAN_COMPLETE_UMAC), 3373af512d6SSara Sharon HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID), 33839bdb17eSSharon Dvir HCMD_NAME(ADD_STA_KEY), 33939bdb17eSSharon Dvir HCMD_NAME(ADD_STA), 34039bdb17eSSharon Dvir HCMD_NAME(REMOVE_STA), 34139bdb17eSSharon Dvir HCMD_NAME(FW_GET_ITEM_CMD), 34239bdb17eSSharon Dvir HCMD_NAME(TX_CMD), 34339bdb17eSSharon Dvir HCMD_NAME(SCD_QUEUE_CFG), 34439bdb17eSSharon Dvir HCMD_NAME(TXPATH_FLUSH), 34539bdb17eSSharon Dvir HCMD_NAME(MGMT_MCAST_KEY), 34639bdb17eSSharon Dvir HCMD_NAME(WEP_KEY), 34739bdb17eSSharon Dvir HCMD_NAME(SHARED_MEM_CFG), 34839bdb17eSSharon Dvir HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD), 34939bdb17eSSharon Dvir HCMD_NAME(MAC_CONTEXT_CMD), 35039bdb17eSSharon Dvir HCMD_NAME(TIME_EVENT_CMD), 35139bdb17eSSharon Dvir HCMD_NAME(TIME_EVENT_NOTIFICATION), 35239bdb17eSSharon Dvir HCMD_NAME(BINDING_CONTEXT_CMD), 35339bdb17eSSharon Dvir HCMD_NAME(TIME_QUOTA_CMD), 35439bdb17eSSharon Dvir HCMD_NAME(NON_QOS_TX_COUNTER_CMD), 3557089ae63SJohannes Berg HCMD_NAME(LEDS_CMD), 35639bdb17eSSharon Dvir HCMD_NAME(LQ_CMD), 35739bdb17eSSharon Dvir HCMD_NAME(FW_PAGING_BLOCK_CMD), 35839bdb17eSSharon Dvir HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD), 35939bdb17eSSharon Dvir HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD), 36039bdb17eSSharon Dvir HCMD_NAME(HOT_SPOT_CMD), 36139bdb17eSSharon Dvir HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD), 36239bdb17eSSharon Dvir HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP), 36339bdb17eSSharon Dvir HCMD_NAME(BT_COEX_CI), 36439bdb17eSSharon Dvir HCMD_NAME(PHY_CONFIGURATION_CMD), 36539bdb17eSSharon Dvir HCMD_NAME(CALIB_RES_NOTIF_PHY_DB), 366176aa60bSSara Sharon HCMD_NAME(PHY_DB_CMD), 36739bdb17eSSharon Dvir HCMD_NAME(SCAN_OFFLOAD_COMPLETE), 36839bdb17eSSharon Dvir HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), 36939bdb17eSSharon Dvir HCMD_NAME(POWER_TABLE_CMD), 37039bdb17eSSharon Dvir HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), 37139bdb17eSSharon Dvir HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF), 37239bdb17eSSharon Dvir HCMD_NAME(DC2DC_CONFIG_CMD), 37339bdb17eSSharon Dvir HCMD_NAME(NVM_ACCESS_CMD), 37439bdb17eSSharon Dvir HCMD_NAME(BEACON_NOTIFICATION), 37539bdb17eSSharon Dvir HCMD_NAME(BEACON_TEMPLATE_CMD), 37639bdb17eSSharon Dvir HCMD_NAME(TX_ANT_CONFIGURATION_CMD), 37739bdb17eSSharon Dvir HCMD_NAME(BT_CONFIG), 37839bdb17eSSharon Dvir HCMD_NAME(STATISTICS_CMD), 37939bdb17eSSharon Dvir HCMD_NAME(STATISTICS_NOTIFICATION), 38039bdb17eSSharon Dvir HCMD_NAME(EOSP_NOTIFICATION), 38139bdb17eSSharon Dvir HCMD_NAME(REDUCE_TX_POWER_CMD), 38239bdb17eSSharon Dvir HCMD_NAME(CARD_STATE_NOTIFICATION), 38339bdb17eSSharon Dvir HCMD_NAME(MISSED_BEACONS_NOTIFICATION), 38439bdb17eSSharon Dvir HCMD_NAME(TDLS_CONFIG_CMD), 38539bdb17eSSharon Dvir HCMD_NAME(MAC_PM_POWER_TABLE), 38639bdb17eSSharon Dvir HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION), 38739bdb17eSSharon Dvir HCMD_NAME(MFUART_LOAD_NOTIFICATION), 38843413a97SSara Sharon HCMD_NAME(RSS_CONFIG_CMD), 38939bdb17eSSharon Dvir HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), 39039bdb17eSSharon Dvir HCMD_NAME(REPLY_RX_PHY_CMD), 39139bdb17eSSharon Dvir HCMD_NAME(REPLY_RX_MPDU_CMD), 3923e73aa3bSEmmanuel Grumbach HCMD_NAME(FRAME_RELEASE), 39339bdb17eSSharon Dvir HCMD_NAME(BA_NOTIF), 39439bdb17eSSharon Dvir HCMD_NAME(MCC_UPDATE_CMD), 39539bdb17eSSharon Dvir HCMD_NAME(MCC_CHUB_UPDATE_CMD), 39639bdb17eSSharon Dvir HCMD_NAME(MARKER_CMD), 39739bdb17eSSharon Dvir HCMD_NAME(BT_PROFILE_NOTIFICATION), 39839bdb17eSSharon Dvir HCMD_NAME(BCAST_FILTER_CMD), 39939bdb17eSSharon Dvir HCMD_NAME(MCAST_FILTER_CMD), 40039bdb17eSSharon Dvir HCMD_NAME(REPLY_SF_CFG_CMD), 40139bdb17eSSharon Dvir HCMD_NAME(REPLY_BEACON_FILTERING_CMD), 40239bdb17eSSharon Dvir HCMD_NAME(D3_CONFIG_CMD), 40339bdb17eSSharon Dvir HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD), 40439bdb17eSSharon Dvir HCMD_NAME(OFFLOADS_QUERY_CMD), 40539bdb17eSSharon Dvir HCMD_NAME(REMOTE_WAKE_CONFIG_CMD), 40639bdb17eSSharon Dvir HCMD_NAME(MATCH_FOUND_NOTIFICATION), 40739bdb17eSSharon Dvir HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION), 40839bdb17eSSharon Dvir HCMD_NAME(WOWLAN_PATTERNS), 40939bdb17eSSharon Dvir HCMD_NAME(WOWLAN_CONFIGURATION), 41039bdb17eSSharon Dvir HCMD_NAME(WOWLAN_TSC_RSC_PARAM), 41139bdb17eSSharon Dvir HCMD_NAME(WOWLAN_TKIP_PARAM), 41239bdb17eSSharon Dvir HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL), 41339bdb17eSSharon Dvir HCMD_NAME(WOWLAN_GET_STATUSES), 41439bdb17eSSharon Dvir HCMD_NAME(SCAN_ITERATION_COMPLETE), 41539bdb17eSSharon Dvir HCMD_NAME(D0I3_END_CMD), 41639bdb17eSSharon Dvir HCMD_NAME(LTR_CONFIG), 417e705c121SKalle Valo }; 41839bdb17eSSharon Dvir 41939bdb17eSSharon Dvir /* Please keep this array *SORTED* by hex value. 42039bdb17eSSharon Dvir * Access is done through binary search 42139bdb17eSSharon Dvir */ 4225b086414SGolan Ben-Ami static const struct iwl_hcmd_names iwl_mvm_system_names[] = { 4235b086414SGolan Ben-Ami HCMD_NAME(SHARED_MEM_CFG_CMD), 4244399caaaSSara Sharon HCMD_NAME(INIT_EXTENDED_CFG_CMD), 425f130bb75SMordechay Goodstein HCMD_NAME(FW_ERROR_RECOVERY_CMD), 4265b086414SGolan Ben-Ami }; 4275b086414SGolan Ben-Ami 4285b086414SGolan Ben-Ami /* Please keep this array *SORTED* by hex value. 4295b086414SGolan Ben-Ami * Access is done through binary search 4305b086414SGolan Ben-Ami */ 43103098268SAviya Erenfeld static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { 43274a10252SSara Sharon HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD), 433d3a108a4SAndrei Otcheretianski HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF), 43403098268SAviya Erenfeld }; 43503098268SAviya Erenfeld 43603098268SAviya Erenfeld /* Please keep this array *SORTED* by hex value. 43703098268SAviya Erenfeld * Access is done through binary search 43803098268SAviya Erenfeld */ 43939bdb17eSSharon Dvir static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { 44039bdb17eSSharon Dvir HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE), 4415c89e7bcSChaya Rachel Ivgi HCMD_NAME(CTDP_CONFIG_CMD), 442c221daf2SChaya Rachel Ivgi HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD), 443a6bff3cbSHaim Dreyfuss HCMD_NAME(GEO_TX_POWER_LIMIT), 4440a3b7119SChaya Rachel Ivgi HCMD_NAME(CT_KILL_NOTIFICATION), 44539bdb17eSSharon Dvir HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), 44639bdb17eSSharon Dvir }; 44739bdb17eSSharon Dvir 4480db056d3SSara Sharon /* Please keep this array *SORTED* by hex value. 4490db056d3SSara Sharon * Access is done through binary search 4500db056d3SSara Sharon */ 451e0d8fdecSSara Sharon static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { 452ddef2f98SEmmanuel Grumbach HCMD_NAME(DQA_ENABLE_CMD), 453e0d8fdecSSara Sharon HCMD_NAME(UPDATE_MU_GROUPS_CMD), 45494bb4481SSara Sharon HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), 455514c3069SLuca Coelho HCMD_NAME(STA_HE_CTXT_CMD), 4568edbfaa1SSara Sharon HCMD_NAME(RFH_QUEUE_CONFIG_CMD), 457f4056d71SLiad Kaufman HCMD_NAME(TLC_MNG_CONFIG_CMD), 4585213e8a8SJohannes Berg HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD), 45965e25482SJohannes Berg HCMD_NAME(STA_PM_NOTIF), 460f92659a1SSara Sharon HCMD_NAME(MU_GROUP_MGMT_NOTIF), 46194bb4481SSara Sharon HCMD_NAME(RX_QUEUES_NOTIFICATION), 462e0d8fdecSSara Sharon }; 463e0d8fdecSSara Sharon 464e0d8fdecSSara Sharon /* Please keep this array *SORTED* by hex value. 465e0d8fdecSSara Sharon * Access is done through binary search 466e0d8fdecSSara Sharon */ 467bdccdb85SGolan Ben-Ami static const struct iwl_hcmd_names iwl_mvm_debug_names[] = { 46857605833SShahar S Matityahu HCMD_NAME(DBGC_SUSPEND_RESUME), 469bdccdb85SGolan Ben-Ami HCMD_NAME(MFU_ASSERT_DUMP_NTF), 470bdccdb85SGolan Ben-Ami }; 471bdccdb85SGolan Ben-Ami 472bdccdb85SGolan Ben-Ami /* Please keep this array *SORTED* by hex value. 473bdccdb85SGolan Ben-Ami * Access is done through binary search 474bdccdb85SGolan Ben-Ami */ 4756c161980SJohannes Berg static const struct iwl_hcmd_names iwl_mvm_location_names[] = { 4766c161980SJohannes Berg HCMD_NAME(TOF_RANGE_REQ_CMD), 4776c161980SJohannes Berg HCMD_NAME(TOF_CONFIG_CMD), 4786c161980SJohannes Berg HCMD_NAME(TOF_RANGE_ABORT_CMD), 4796c161980SJohannes Berg HCMD_NAME(TOF_RANGE_REQ_EXT_CMD), 4806c161980SJohannes Berg HCMD_NAME(TOF_RESPONDER_CONFIG_CMD), 4816c161980SJohannes Berg HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD), 4826c161980SJohannes Berg HCMD_NAME(TOF_LC_NOTIF), 4836c161980SJohannes Berg HCMD_NAME(TOF_RESPONDER_STATS), 4846c161980SJohannes Berg HCMD_NAME(TOF_MCSI_DEBUG_NOTIF), 4856c161980SJohannes Berg HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF), 4866c161980SJohannes Berg }; 4876c161980SJohannes Berg 4886c161980SJohannes Berg /* Please keep this array *SORTED* by hex value. 4896c161980SJohannes Berg * Access is done through binary search 4906c161980SJohannes Berg */ 4910db056d3SSara Sharon static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = { 4920db056d3SSara Sharon HCMD_NAME(STORED_BEACON_NTF), 4930db056d3SSara Sharon }; 4940db056d3SSara Sharon 4951f370650SSara Sharon /* Please keep this array *SORTED* by hex value. 4961f370650SSara Sharon * Access is done through binary search 4971f370650SSara Sharon */ 4981f370650SSara Sharon static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = { 4991f370650SSara Sharon HCMD_NAME(NVM_ACCESS_COMPLETE), 500e9e1ba3dSSara Sharon HCMD_NAME(NVM_GET_INFO), 5011f370650SSara Sharon }; 5021f370650SSara Sharon 50339bdb17eSSharon Dvir static const struct iwl_hcmd_arr iwl_mvm_groups[] = { 50439bdb17eSSharon Dvir [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 50539bdb17eSSharon Dvir [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 5065b086414SGolan Ben-Ami [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names), 50703098268SAviya Erenfeld [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names), 50839bdb17eSSharon Dvir [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), 509e0d8fdecSSara Sharon [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names), 5106c161980SJohannes Berg [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names), 5110db056d3SSara Sharon [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), 5121f370650SSara Sharon [REGULATORY_AND_NVM_GROUP] = 5131f370650SSara Sharon HCMD_ARR(iwl_mvm_regulatory_and_nvm_names), 51439bdb17eSSharon Dvir }; 51539bdb17eSSharon Dvir 516e705c121SKalle Valo /* this forward declaration can avoid to export the function */ 517e705c121SKalle Valo static void iwl_mvm_async_handlers_wk(struct work_struct *wk); 518a75b9b33SLuca Coelho #ifdef CONFIG_PM 519e705c121SKalle Valo static void iwl_mvm_d0i3_exit_work(struct work_struct *wk); 520a75b9b33SLuca Coelho #endif 521e705c121SKalle Valo 522f2abcfa6SLuca Coelho static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm) 523e705c121SKalle Valo { 524f2abcfa6SLuca Coelho const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs; 525f2abcfa6SLuca Coelho u64 dflt_pwr_limit; 526e705c121SKalle Valo 527f2abcfa6SLuca Coelho if (!backoff) 528e705c121SKalle Valo return 0; 529e705c121SKalle Valo 530f2abcfa6SLuca Coelho dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev); 531e705c121SKalle Valo 532f2abcfa6SLuca Coelho while (backoff->pwr) { 533f2abcfa6SLuca Coelho if (dflt_pwr_limit >= backoff->pwr) 534f2abcfa6SLuca Coelho return backoff->backoff; 535f2abcfa6SLuca Coelho 536f2abcfa6SLuca Coelho backoff++; 537e705c121SKalle Valo } 538e705c121SKalle Valo 539e705c121SKalle Valo return 0; 540e705c121SKalle Valo } 541e705c121SKalle Valo 542d3a108a4SAndrei Otcheretianski static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) 543d3a108a4SAndrei Otcheretianski { 544d3a108a4SAndrei Otcheretianski struct iwl_mvm *mvm = 545d3a108a4SAndrei Otcheretianski container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); 546d3a108a4SAndrei Otcheretianski struct ieee80211_vif *tx_blocked_vif; 547d3a108a4SAndrei Otcheretianski struct iwl_mvm_vif *mvmvif; 548d3a108a4SAndrei Otcheretianski 549d3a108a4SAndrei Otcheretianski mutex_lock(&mvm->mutex); 550d3a108a4SAndrei Otcheretianski 551d3a108a4SAndrei Otcheretianski tx_blocked_vif = 552d3a108a4SAndrei Otcheretianski rcu_dereference_protected(mvm->csa_tx_blocked_vif, 553d3a108a4SAndrei Otcheretianski lockdep_is_held(&mvm->mutex)); 554d3a108a4SAndrei Otcheretianski 555d3a108a4SAndrei Otcheretianski if (!tx_blocked_vif) 556d3a108a4SAndrei Otcheretianski goto unlock; 557d3a108a4SAndrei Otcheretianski 558d3a108a4SAndrei Otcheretianski mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); 559d3a108a4SAndrei Otcheretianski iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); 560d3a108a4SAndrei Otcheretianski RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 561d3a108a4SAndrei Otcheretianski unlock: 562d3a108a4SAndrei Otcheretianski mutex_unlock(&mvm->mutex); 563d3a108a4SAndrei Otcheretianski } 564d3a108a4SAndrei Otcheretianski 5657174beb6SJohannes Berg static int iwl_mvm_fwrt_dump_start(void *ctx) 5667174beb6SJohannes Berg { 5677174beb6SJohannes Berg struct iwl_mvm *mvm = ctx; 568c7ab138eSShahar S Matityahu int ret = 0; 5697174beb6SJohannes Berg 5707174beb6SJohannes Berg mutex_lock(&mvm->mutex); 5717174beb6SJohannes Berg 572c7ab138eSShahar S Matityahu ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_FW_DBG_COLLECT); 573c7ab138eSShahar S Matityahu if (ret) 574c7ab138eSShahar S Matityahu mutex_unlock(&mvm->mutex); 575c7ab138eSShahar S Matityahu 576c7ab138eSShahar S Matityahu return ret; 5777174beb6SJohannes Berg } 5787174beb6SJohannes Berg 5797174beb6SJohannes Berg static void iwl_mvm_fwrt_dump_end(void *ctx) 5807174beb6SJohannes Berg { 5817174beb6SJohannes Berg struct iwl_mvm *mvm = ctx; 5827174beb6SJohannes Berg 5837174beb6SJohannes Berg iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT); 584c7ab138eSShahar S Matityahu 585c7ab138eSShahar S Matityahu mutex_unlock(&mvm->mutex); 5867174beb6SJohannes Berg } 5877174beb6SJohannes Berg 5888745f12aSShaul Triebitz static bool iwl_mvm_fwrt_fw_running(void *ctx) 5898745f12aSShaul Triebitz { 5908745f12aSShaul Triebitz return iwl_mvm_firmware_running(ctx); 5918745f12aSShaul Triebitz } 5928745f12aSShaul Triebitz 593d3f4b6deSShahar S Matityahu static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) 594d3f4b6deSShahar S Matityahu { 595d3f4b6deSShahar S Matityahu struct iwl_mvm *mvm = (struct iwl_mvm *)ctx; 596d3f4b6deSShahar S Matityahu int ret; 597d3f4b6deSShahar S Matityahu 598d3f4b6deSShahar S Matityahu mutex_lock(&mvm->mutex); 599d3f4b6deSShahar S Matityahu ret = iwl_mvm_send_cmd(mvm, host_cmd); 600d3f4b6deSShahar S Matityahu mutex_unlock(&mvm->mutex); 601d3f4b6deSShahar S Matityahu 602d3f4b6deSShahar S Matityahu return ret; 603d3f4b6deSShahar S Matityahu } 604d3f4b6deSShahar S Matityahu 605971377e6SShahar S Matityahu static bool iwl_mvm_d3_debug_enable(void *ctx) 606971377e6SShahar S Matityahu { 607971377e6SShahar S Matityahu return IWL_MVM_D3_DEBUG; 608971377e6SShahar S Matityahu } 609971377e6SShahar S Matityahu 6107174beb6SJohannes Berg static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { 6117174beb6SJohannes Berg .dump_start = iwl_mvm_fwrt_dump_start, 6127174beb6SJohannes Berg .dump_end = iwl_mvm_fwrt_dump_end, 6138745f12aSShaul Triebitz .fw_running = iwl_mvm_fwrt_fw_running, 614d3f4b6deSShahar S Matityahu .send_hcmd = iwl_mvm_fwrt_send_hcmd, 615971377e6SShahar S Matityahu .d3_debug_enable = iwl_mvm_d3_debug_enable, 6167174beb6SJohannes Berg }; 6177174beb6SJohannes Berg 618e705c121SKalle Valo static struct iwl_op_mode * 619e705c121SKalle Valo iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, 620e705c121SKalle Valo const struct iwl_fw *fw, struct dentry *dbgfs_dir) 621e705c121SKalle Valo { 622e705c121SKalle Valo struct ieee80211_hw *hw; 623e705c121SKalle Valo struct iwl_op_mode *op_mode; 624e705c121SKalle Valo struct iwl_mvm *mvm; 625e705c121SKalle Valo struct iwl_trans_config trans_cfg = {}; 626e705c121SKalle Valo static const u8 no_reclaim_cmds[] = { 627e705c121SKalle Valo TX_CMD, 628e705c121SKalle Valo }; 629e705c121SKalle Valo int err, scan_size; 630e705c121SKalle Valo u32 min_backoff; 631034925cbSShaul Triebitz enum iwl_amsdu_size rb_size_default; 632e705c121SKalle Valo 633e705c121SKalle Valo /* 634e705c121SKalle Valo * We use IWL_MVM_STATION_COUNT to check the validity of the station 635e705c121SKalle Valo * index all over the driver - check that its value corresponds to the 636e705c121SKalle Valo * array size. 637e705c121SKalle Valo */ 638e705c121SKalle Valo BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT); 639e705c121SKalle Valo 640e705c121SKalle Valo /******************************** 641e705c121SKalle Valo * 1. Allocating and configuring HW data 642e705c121SKalle Valo ********************************/ 643e705c121SKalle Valo hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + 644e705c121SKalle Valo sizeof(struct iwl_mvm), 645e705c121SKalle Valo &iwl_mvm_hw_ops); 646e705c121SKalle Valo if (!hw) 647e705c121SKalle Valo return NULL; 648e705c121SKalle Valo 649e705c121SKalle Valo if (cfg->max_rx_agg_size) 650e705c121SKalle Valo hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size; 6511eda295fSJohannes Berg else 6521eda295fSJohannes Berg hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 653e705c121SKalle Valo 654e705c121SKalle Valo if (cfg->max_tx_agg_size) 655e705c121SKalle Valo hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; 6561eda295fSJohannes Berg else 6571eda295fSJohannes Berg hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 658e705c121SKalle Valo 659e705c121SKalle Valo op_mode = hw->priv; 660e705c121SKalle Valo 661e705c121SKalle Valo mvm = IWL_OP_MODE_GET_MVM(op_mode); 662e705c121SKalle Valo mvm->dev = trans->dev; 663e705c121SKalle Valo mvm->trans = trans; 664e705c121SKalle Valo mvm->cfg = cfg; 665e705c121SKalle Valo mvm->fw = fw; 666e705c121SKalle Valo mvm->hw = hw; 667e705c121SKalle Valo 66893b167c1SMordechay Goodstein iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm, 66993b167c1SMordechay Goodstein dbgfs_dir); 670235acb18SJohannes Berg 671de8ba41bSLiad Kaufman mvm->init_status = 0; 672de8ba41bSLiad Kaufman 673e705c121SKalle Valo if (iwl_mvm_has_new_rx_api(mvm)) { 674e705c121SKalle Valo op_mode->ops = &iwl_mvm_ops_mq; 67518ead597SGolan Ben Ami trans->rx_mpdu_cmd_hdr_size = 67618ead597SGolan Ben Ami (trans->cfg->device_family >= 67718ead597SGolan Ben Ami IWL_DEVICE_FAMILY_22560) ? 67818ead597SGolan Ben Ami sizeof(struct iwl_rx_mpdu_desc) : 67918ead597SGolan Ben Ami IWL_RX_DESC_SIZE_V1; 680e705c121SKalle Valo } else { 681e705c121SKalle Valo op_mode->ops = &iwl_mvm_ops; 68225c2b22cSSara Sharon trans->rx_mpdu_cmd_hdr_size = 68325c2b22cSSara Sharon sizeof(struct iwl_rx_mpdu_res_start); 684e705c121SKalle Valo 685e705c121SKalle Valo if (WARN_ON(trans->num_rx_queues > 1)) 686e705c121SKalle Valo goto out_free; 687e705c121SKalle Valo } 688e705c121SKalle Valo 6893b37f4c9SJohannes Berg mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0; 690e705c121SKalle Valo 69128d0793eSLiad Kaufman mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE; 692b13f43a4SEmmanuel Grumbach mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE; 69349f71713SSara Sharon mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; 69449f71713SSara Sharon mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE; 695c8f54701SJohannes Berg 696e705c121SKalle Valo mvm->sf_state = SF_UNINIT; 6977d6222e2SJohannes Berg if (iwl_mvm_has_unified_ucode(mvm)) 698702e975dSJohannes Berg iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR); 6991f370650SSara Sharon else 700702e975dSJohannes Berg iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT); 701c89e333dSAndrei Otcheretianski mvm->drop_bcn_ap_mode = true; 702e705c121SKalle Valo 703e705c121SKalle Valo mutex_init(&mvm->mutex); 704e705c121SKalle Valo mutex_init(&mvm->d0i3_suspend_mutex); 705e705c121SKalle Valo spin_lock_init(&mvm->async_handlers_lock); 706e705c121SKalle Valo INIT_LIST_HEAD(&mvm->time_event_list); 707e705c121SKalle Valo INIT_LIST_HEAD(&mvm->aux_roc_te_list); 708e705c121SKalle Valo INIT_LIST_HEAD(&mvm->async_handlers_list); 709e705c121SKalle Valo spin_lock_init(&mvm->time_event_lock); 710fc36ffdaSJohannes Berg INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list); 711e705c121SKalle Valo 712e705c121SKalle Valo INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); 713e705c121SKalle Valo INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); 714a75b9b33SLuca Coelho #ifdef CONFIG_PM 715e705c121SKalle Valo INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work); 716a75b9b33SLuca Coelho #endif 717e705c121SKalle Valo INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); 71869e04642SLuca Coelho INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); 71924afba76SLiad Kaufman INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); 720cfbc6c4cSSara Sharon INIT_LIST_HEAD(&mvm->add_stream_txqs); 721e705c121SKalle Valo 722e705c121SKalle Valo spin_lock_init(&mvm->d0i3_tx_lock); 723e705c121SKalle Valo spin_lock_init(&mvm->refs_lock); 724e705c121SKalle Valo skb_queue_head_init(&mvm->d0i3_tx); 725e705c121SKalle Valo init_waitqueue_head(&mvm->d0i3_exit_waitq); 7263a732c65SSara Sharon init_waitqueue_head(&mvm->rx_sync_waitq); 727e705c121SKalle Valo 7280636b938SSara Sharon atomic_set(&mvm->queue_sync_counter, 0); 7290636b938SSara Sharon 730e705c121SKalle Valo SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); 731e705c121SKalle Valo 7327d9d0d56SLuca Coelho spin_lock_init(&mvm->tcm.lock); 7337d9d0d56SLuca Coelho INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work); 7347d9d0d56SLuca Coelho mvm->tcm.ts = jiffies; 7357d9d0d56SLuca Coelho mvm->tcm.ll_ts = jiffies; 7367d9d0d56SLuca Coelho mvm->tcm.uapsd_nonagg_ts = jiffies; 7377d9d0d56SLuca Coelho 738d3a108a4SAndrei Otcheretianski INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); 739d3a108a4SAndrei Otcheretianski 740e705c121SKalle Valo /* 741e705c121SKalle Valo * Populate the state variables that the transport layer needs 742e705c121SKalle Valo * to know about. 743e705c121SKalle Valo */ 744e705c121SKalle Valo trans_cfg.op_mode = op_mode; 745e705c121SKalle Valo trans_cfg.no_reclaim_cmds = no_reclaim_cmds; 746e705c121SKalle Valo trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); 747034925cbSShaul Triebitz 748034925cbSShaul Triebitz if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) 749034925cbSShaul Triebitz rb_size_default = IWL_AMSDU_2K; 750034925cbSShaul Triebitz else 751034925cbSShaul Triebitz rb_size_default = IWL_AMSDU_4K; 752034925cbSShaul Triebitz 7536c4fbcbcSEmmanuel Grumbach switch (iwlwifi_mod_params.amsdu_size) { 7544bdd4dfeSEmmanuel Grumbach case IWL_AMSDU_DEF: 755034925cbSShaul Triebitz trans_cfg.rx_buf_size = rb_size_default; 756034925cbSShaul Triebitz break; 7576c4fbcbcSEmmanuel Grumbach case IWL_AMSDU_4K: 7586c4fbcbcSEmmanuel Grumbach trans_cfg.rx_buf_size = IWL_AMSDU_4K; 7596c4fbcbcSEmmanuel Grumbach break; 7606c4fbcbcSEmmanuel Grumbach case IWL_AMSDU_8K: 7616c4fbcbcSEmmanuel Grumbach trans_cfg.rx_buf_size = IWL_AMSDU_8K; 7626c4fbcbcSEmmanuel Grumbach break; 7636c4fbcbcSEmmanuel Grumbach case IWL_AMSDU_12K: 7646c4fbcbcSEmmanuel Grumbach trans_cfg.rx_buf_size = IWL_AMSDU_12K; 7656c4fbcbcSEmmanuel Grumbach break; 7666c4fbcbcSEmmanuel Grumbach default: 7676c4fbcbcSEmmanuel Grumbach pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME, 7686c4fbcbcSEmmanuel Grumbach iwlwifi_mod_params.amsdu_size); 769034925cbSShaul Triebitz trans_cfg.rx_buf_size = rb_size_default; 7706c4fbcbcSEmmanuel Grumbach } 7714bdd4dfeSEmmanuel Grumbach 772e6aeeb4fSJohannes Berg BUILD_BUG_ON(sizeof(struct iwl_ldbg_config_cmd) != 773e6aeeb4fSJohannes Berg LDBG_CFG_COMMAND_SIZE); 774e6aeeb4fSJohannes Berg 7754b87e5afSLuca Coelho trans->wide_cmd_header = true; 7762a182fbbSGolan Ben Ami trans_cfg.bc_table_dword = 7772a182fbbSGolan Ben Ami mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_22560; 778e705c121SKalle Valo 77939bdb17eSSharon Dvir trans_cfg.command_groups = iwl_mvm_groups; 78039bdb17eSSharon Dvir trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); 781e705c121SKalle Valo 782097129c9SLiad Kaufman trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE; 783e705c121SKalle Valo trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; 784e705c121SKalle Valo trans_cfg.scd_set_active = true; 785e705c121SKalle Valo 78621cb3222SJohannes Berg trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info, 78721cb3222SJohannes Berg driver_data[2]); 78821cb3222SJohannes Berg 78941837ca9SEmmanuel Grumbach trans_cfg.sw_csum_tx = IWL_MVM_SW_TX_CSUM_OFFLOAD; 790e705c121SKalle Valo 791e705c121SKalle Valo /* Set a short watchdog for the command queue */ 792e705c121SKalle Valo trans_cfg.cmd_q_wdg_timeout = 793e705c121SKalle Valo iwl_mvm_get_wd_timeout(mvm, NULL, false, true); 794e705c121SKalle Valo 795e705c121SKalle Valo snprintf(mvm->hw->wiphy->fw_version, 796e705c121SKalle Valo sizeof(mvm->hw->wiphy->fw_version), 797e705c121SKalle Valo "%s", fw->fw_version); 798e705c121SKalle Valo 799e705c121SKalle Valo /* Configure transport layer */ 800e705c121SKalle Valo iwl_trans_configure(mvm->trans, &trans_cfg); 801e705c121SKalle Valo 802e705c121SKalle Valo trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; 80391c28b83SShahar S Matityahu trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv; 80491c28b83SShahar S Matityahu trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg; 80591c28b83SShahar S Matityahu memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv, 80691c28b83SShahar S Matityahu sizeof(trans->dbg.conf_tlv)); 80791c28b83SShahar S Matityahu trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv; 808e705c121SKalle Valo 809132db31cSGolan Ben-Ami trans->iml = mvm->fw->iml; 810132db31cSGolan Ben-Ami trans->iml_len = mvm->fw->iml_len; 811132db31cSGolan Ben-Ami 812e705c121SKalle Valo /* set up notification wait support */ 813e705c121SKalle Valo iwl_notification_wait_init(&mvm->notif_wait); 814e705c121SKalle Valo 815e705c121SKalle Valo /* Init phy db */ 816e705c121SKalle Valo mvm->phy_db = iwl_phy_db_init(trans); 817e705c121SKalle Valo if (!mvm->phy_db) { 818e705c121SKalle Valo IWL_ERR(mvm, "Cannot init phy_db\n"); 819e705c121SKalle Valo goto out_free; 820e705c121SKalle Valo } 821e705c121SKalle Valo 822e705c121SKalle Valo IWL_INFO(mvm, "Detected %s, REV=0x%X\n", 823e705c121SKalle Valo mvm->cfg->name, mvm->trans->hw_rev); 824e705c121SKalle Valo 825e705c121SKalle Valo if (iwlwifi_mod_params.nvm_file) 826e705c121SKalle Valo mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; 827e705c121SKalle Valo else 828e705c121SKalle Valo IWL_DEBUG_EEPROM(mvm->trans->dev, 829e705c121SKalle Valo "working without external nvm file\n"); 830e705c121SKalle Valo 831e705c121SKalle Valo err = iwl_trans_start_hw(mvm->trans); 832e705c121SKalle Valo if (err) 833e705c121SKalle Valo goto out_free; 834e705c121SKalle Valo 835e705c121SKalle Valo mutex_lock(&mvm->mutex); 83608f0d23dSEliad Peller iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE); 837e705c121SKalle Valo err = iwl_run_init_mvm_ucode(mvm, true); 83872d3c7bbSJohannes Berg if (err && err != -ERFKILL) 839700b3799SShahar S Matityahu iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); 840f4744258SLiad Kaufman if (!iwlmvm_mod_params.init_dbg || !err) 841fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 84208f0d23dSEliad Peller iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE); 843e705c121SKalle Valo mutex_unlock(&mvm->mutex); 844de8ba41bSLiad Kaufman if (err < 0) { 845e705c121SKalle Valo IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err); 846e705c121SKalle Valo goto out_free; 847e705c121SKalle Valo } 848e705c121SKalle Valo 849e705c121SKalle Valo scan_size = iwl_mvm_scan_size(mvm); 850e705c121SKalle Valo 851e705c121SKalle Valo mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); 852e705c121SKalle Valo if (!mvm->scan_cmd) 853e705c121SKalle Valo goto out_free; 854e705c121SKalle Valo 855e705c121SKalle Valo /* Set EBS as successful as long as not stated otherwise by the FW. */ 856e705c121SKalle Valo mvm->last_ebs_successful = true; 857e705c121SKalle Valo 858e705c121SKalle Valo err = iwl_mvm_mac_setup_register(mvm); 859e705c121SKalle Valo if (err) 860e705c121SKalle Valo goto out_free; 8611f370650SSara Sharon mvm->hw_registered = true; 862e705c121SKalle Valo 863f2abcfa6SLuca Coelho min_backoff = iwl_mvm_min_backoff(mvm); 86404ddc2aaSChaya Rachel Ivgi iwl_mvm_thermal_initialize(mvm, min_backoff); 86504ddc2aaSChaya Rachel Ivgi 866c9af7528SGreg Kroah-Hartman iwl_mvm_dbgfs_register(mvm, dbgfs_dir); 867e705c121SKalle Valo 868678d9b6dSLiad Kaufman if (!iwl_mvm_has_new_rx_stats_api(mvm)) 869678d9b6dSLiad Kaufman memset(&mvm->rx_stats_v3, 0, 870678d9b6dSLiad Kaufman sizeof(struct mvm_statistics_rx_v3)); 871678d9b6dSLiad Kaufman else 872e705c121SKalle Valo memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); 873e705c121SKalle Valo 87433c85eadSLuca Coelho /* The transport always starts with a taken reference, we can 87533c85eadSLuca Coelho * release it now if d0i3 is supported */ 87633c85eadSLuca Coelho if (iwl_mvm_is_d0i3_supported(mvm)) 877a42b2af3SLuca Coelho iwl_trans_unref(mvm->trans); 878e705c121SKalle Valo 879656fca00SAvraham Stern iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); 880656fca00SAvraham Stern 881e705c121SKalle Valo return op_mode; 882e705c121SKalle Valo 883e705c121SKalle Valo out_free: 884c7ab138eSShahar S Matityahu iwl_fw_flush_dumps(&mvm->fwrt); 88554f3f994SShahar S Matityahu iwl_fw_runtime_free(&mvm->fwrt); 886de8ba41bSLiad Kaufman 887de8ba41bSLiad Kaufman if (iwlmvm_mod_params.init_dbg) 888de8ba41bSLiad Kaufman return op_mode; 889e705c121SKalle Valo iwl_phy_db_free(mvm->phy_db); 890e705c121SKalle Valo kfree(mvm->scan_cmd); 891e705c121SKalle Valo iwl_trans_op_mode_leave(trans); 89256f2929bSSara Sharon 893e705c121SKalle Valo ieee80211_free_hw(mvm->hw); 894e705c121SKalle Valo return NULL; 895e705c121SKalle Valo } 896e705c121SKalle Valo 897e705c121SKalle Valo static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) 898e705c121SKalle Valo { 899e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 900e705c121SKalle Valo int i; 901e705c121SKalle Valo 902e27deb45SLuca Coelho /* If d0i3 is supported, we have released the reference that 903e27deb45SLuca Coelho * the transport started with, so we should take it back now 904e27deb45SLuca Coelho * that we are leaving. 905e27deb45SLuca Coelho */ 906e27deb45SLuca Coelho if (iwl_mvm_is_d0i3_supported(mvm)) 907e27deb45SLuca Coelho iwl_trans_ref(mvm->trans); 908e27deb45SLuca Coelho 909e705c121SKalle Valo iwl_mvm_leds_exit(mvm); 910e705c121SKalle Valo 911c221daf2SChaya Rachel Ivgi iwl_mvm_thermal_exit(mvm); 912e705c121SKalle Valo 913e705c121SKalle Valo ieee80211_unregister_hw(mvm->hw); 914e705c121SKalle Valo 915e705c121SKalle Valo kfree(mvm->scan_cmd); 916e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 917e705c121SKalle Valo mvm->mcast_filter_cmd = NULL; 918e705c121SKalle Valo 919f130bb75SMordechay Goodstein kfree(mvm->error_recovery_buf); 920f130bb75SMordechay Goodstein mvm->error_recovery_buf = NULL; 921f130bb75SMordechay Goodstein 922e705c121SKalle Valo iwl_trans_op_mode_leave(mvm->trans); 923e705c121SKalle Valo 924e705c121SKalle Valo iwl_phy_db_free(mvm->phy_db); 925e705c121SKalle Valo mvm->phy_db = NULL; 926e705c121SKalle Valo 9271dad3e0aSLuca Coelho kfree(mvm->nvm_data); 928e705c121SKalle Valo for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) 929e705c121SKalle Valo kfree(mvm->nvm_sections[i].data); 930e705c121SKalle Valo 9317d9d0d56SLuca Coelho cancel_delayed_work_sync(&mvm->tcm.work); 9327d9d0d56SLuca Coelho 93354f3f994SShahar S Matityahu iwl_fw_runtime_free(&mvm->fwrt); 934a2a57a35SEmmanuel Grumbach mutex_destroy(&mvm->mutex); 935a2a57a35SEmmanuel Grumbach mutex_destroy(&mvm->d0i3_suspend_mutex); 936a2a57a35SEmmanuel Grumbach 937e705c121SKalle Valo ieee80211_free_hw(mvm->hw); 938e705c121SKalle Valo } 939e705c121SKalle Valo 940e705c121SKalle Valo struct iwl_async_handler_entry { 941e705c121SKalle Valo struct list_head list; 942e705c121SKalle Valo struct iwl_rx_cmd_buffer rxb; 943c9cb14a6SChaya Rachel Ivgi enum iwl_rx_handler_context context; 944e705c121SKalle Valo void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 945e705c121SKalle Valo }; 946e705c121SKalle Valo 947e705c121SKalle Valo void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) 948e705c121SKalle Valo { 949e705c121SKalle Valo struct iwl_async_handler_entry *entry, *tmp; 950e705c121SKalle Valo 951e705c121SKalle Valo spin_lock_bh(&mvm->async_handlers_lock); 952e705c121SKalle Valo list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 953e705c121SKalle Valo iwl_free_rxb(&entry->rxb); 954e705c121SKalle Valo list_del(&entry->list); 955e705c121SKalle Valo kfree(entry); 956e705c121SKalle Valo } 957e705c121SKalle Valo spin_unlock_bh(&mvm->async_handlers_lock); 958e705c121SKalle Valo } 959e705c121SKalle Valo 960e705c121SKalle Valo static void iwl_mvm_async_handlers_wk(struct work_struct *wk) 961e705c121SKalle Valo { 962e705c121SKalle Valo struct iwl_mvm *mvm = 963e705c121SKalle Valo container_of(wk, struct iwl_mvm, async_handlers_wk); 964e705c121SKalle Valo struct iwl_async_handler_entry *entry, *tmp; 9658098203fSJohannes Berg LIST_HEAD(local_list); 966e705c121SKalle Valo 967e705c121SKalle Valo /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */ 968e705c121SKalle Valo 969e705c121SKalle Valo /* 970e705c121SKalle Valo * Sync with Rx path with a lock. Remove all the entries from this list, 971e705c121SKalle Valo * add them to a local one (lock free), and then handle them. 972e705c121SKalle Valo */ 973e705c121SKalle Valo spin_lock_bh(&mvm->async_handlers_lock); 974e705c121SKalle Valo list_splice_init(&mvm->async_handlers_list, &local_list); 975e705c121SKalle Valo spin_unlock_bh(&mvm->async_handlers_lock); 976e705c121SKalle Valo 977e705c121SKalle Valo list_for_each_entry_safe(entry, tmp, &local_list, list) { 978c9cb14a6SChaya Rachel Ivgi if (entry->context == RX_HANDLER_ASYNC_LOCKED) 979c9cb14a6SChaya Rachel Ivgi mutex_lock(&mvm->mutex); 980e705c121SKalle Valo entry->fn(mvm, &entry->rxb); 981e705c121SKalle Valo iwl_free_rxb(&entry->rxb); 982e705c121SKalle Valo list_del(&entry->list); 983c9cb14a6SChaya Rachel Ivgi if (entry->context == RX_HANDLER_ASYNC_LOCKED) 984c9cb14a6SChaya Rachel Ivgi mutex_unlock(&mvm->mutex); 985e705c121SKalle Valo kfree(entry); 986e705c121SKalle Valo } 987e705c121SKalle Valo } 988e705c121SKalle Valo 989e705c121SKalle Valo static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, 990e705c121SKalle Valo struct iwl_rx_packet *pkt) 991e705c121SKalle Valo { 992e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 993e705c121SKalle Valo struct iwl_fw_dbg_trigger_cmd *cmds_trig; 994e705c121SKalle Valo int i; 995e705c121SKalle Valo 9966c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, 9976c042d75SSara Sharon FW_DBG_TRIGGER_FW_NOTIF); 9986c042d75SSara Sharon if (!trig) 999e705c121SKalle Valo return; 1000e705c121SKalle Valo 1001e705c121SKalle Valo cmds_trig = (void *)trig->data; 1002e705c121SKalle Valo 1003e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) { 1004e705c121SKalle Valo /* don't collect on CMD 0 */ 1005e705c121SKalle Valo if (!cmds_trig->cmds[i].cmd_id) 1006e705c121SKalle Valo break; 1007e705c121SKalle Valo 1008e705c121SKalle Valo if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || 1009e705c121SKalle Valo cmds_trig->cmds[i].group_id != pkt->hdr.group_id) 1010e705c121SKalle Valo continue; 1011e705c121SKalle Valo 10127174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 1013e705c121SKalle Valo "CMD 0x%02x.%02x received", 1014e705c121SKalle Valo pkt->hdr.group_id, pkt->hdr.cmd); 1015e705c121SKalle Valo break; 1016e705c121SKalle Valo } 1017e705c121SKalle Valo } 1018e705c121SKalle Valo 1019e705c121SKalle Valo static void iwl_mvm_rx_common(struct iwl_mvm *mvm, 1020e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb, 1021e705c121SKalle Valo struct iwl_rx_packet *pkt) 1022e705c121SKalle Valo { 1023e705c121SKalle Valo int i; 1024e705c121SKalle Valo 1025e705c121SKalle Valo iwl_mvm_rx_check_trigger(mvm, pkt); 1026e705c121SKalle Valo 1027e705c121SKalle Valo /* 1028e705c121SKalle Valo * Do the notification wait before RX handlers so 1029e705c121SKalle Valo * even if the RX handler consumes the RXB we have 1030e705c121SKalle Valo * access to it in the notification wait entry. 1031e705c121SKalle Valo */ 1032e705c121SKalle Valo iwl_notification_wait_notify(&mvm->notif_wait, pkt); 1033e705c121SKalle Valo 1034e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { 1035e705c121SKalle Valo const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; 1036e705c121SKalle Valo struct iwl_async_handler_entry *entry; 1037e705c121SKalle Valo 1038e705c121SKalle Valo if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) 1039e705c121SKalle Valo continue; 1040e705c121SKalle Valo 1041c9cb14a6SChaya Rachel Ivgi if (rx_h->context == RX_HANDLER_SYNC) { 1042e705c121SKalle Valo rx_h->fn(mvm, rxb); 1043e705c121SKalle Valo return; 1044e705c121SKalle Valo } 1045e705c121SKalle Valo 1046e705c121SKalle Valo entry = kzalloc(sizeof(*entry), GFP_ATOMIC); 1047e705c121SKalle Valo /* we can't do much... */ 1048e705c121SKalle Valo if (!entry) 1049e705c121SKalle Valo return; 1050e705c121SKalle Valo 1051e705c121SKalle Valo entry->rxb._page = rxb_steal_page(rxb); 1052e705c121SKalle Valo entry->rxb._offset = rxb->_offset; 1053e705c121SKalle Valo entry->rxb._rx_page_order = rxb->_rx_page_order; 1054e705c121SKalle Valo entry->fn = rx_h->fn; 1055c9cb14a6SChaya Rachel Ivgi entry->context = rx_h->context; 1056e705c121SKalle Valo spin_lock(&mvm->async_handlers_lock); 1057e705c121SKalle Valo list_add_tail(&entry->list, &mvm->async_handlers_list); 1058e705c121SKalle Valo spin_unlock(&mvm->async_handlers_lock); 1059e705c121SKalle Valo schedule_work(&mvm->async_handlers_wk); 106007fb3299SSara Sharon break; 1061e705c121SKalle Valo } 1062e705c121SKalle Valo } 1063e705c121SKalle Valo 1064e705c121SKalle Valo static void iwl_mvm_rx(struct iwl_op_mode *op_mode, 1065e705c121SKalle Valo struct napi_struct *napi, 1066e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb) 1067e705c121SKalle Valo { 1068e705c121SKalle Valo struct iwl_rx_packet *pkt = rxb_addr(rxb); 1069e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 107061b0f5d7SJohannes Berg u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1071e705c121SKalle Valo 107261b0f5d7SJohannes Berg if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1073e705c121SKalle Valo iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); 107461b0f5d7SJohannes Berg else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD)) 1075e705c121SKalle Valo iwl_mvm_rx_rx_phy_cmd(mvm, rxb); 1076e705c121SKalle Valo else 1077e705c121SKalle Valo iwl_mvm_rx_common(mvm, rxb, pkt); 1078e705c121SKalle Valo } 1079e705c121SKalle Valo 1080e705c121SKalle Valo static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, 1081e705c121SKalle Valo struct napi_struct *napi, 1082e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb) 1083e705c121SKalle Valo { 1084e705c121SKalle Valo struct iwl_rx_packet *pkt = rxb_addr(rxb); 1085e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 108661b0f5d7SJohannes Berg u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1087e705c121SKalle Valo 108861b0f5d7SJohannes Berg if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1089780e87c2SJohannes Berg iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); 109061b0f5d7SJohannes Berg else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 109161b0f5d7SJohannes Berg RX_QUEUES_NOTIFICATION))) 1092c61b655aSEmmanuel Grumbach iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0); 109361b0f5d7SJohannes Berg else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) 109458035432SJohannes Berg iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); 1095bf9dfedaSShaul Triebitz else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) 1096d47cdb88SJohannes Berg iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0); 1097e705c121SKalle Valo else 1098e705c121SKalle Valo iwl_mvm_rx_common(mvm, rxb, pkt); 1099e705c121SKalle Valo } 1100e705c121SKalle Valo 1101156f92f2SEmmanuel Grumbach static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode, 1102156f92f2SEmmanuel Grumbach const struct iwl_device_cmd *cmd) 1103156f92f2SEmmanuel Grumbach { 1104156f92f2SEmmanuel Grumbach struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1105156f92f2SEmmanuel Grumbach 1106156f92f2SEmmanuel Grumbach /* 1107156f92f2SEmmanuel Grumbach * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA 1108156f92f2SEmmanuel Grumbach * commands that need to block the Tx queues. 1109156f92f2SEmmanuel Grumbach */ 1110156f92f2SEmmanuel Grumbach iwl_trans_block_txq_ptrs(mvm->trans, false); 1111156f92f2SEmmanuel Grumbach } 1112156f92f2SEmmanuel Grumbach 111399944b73SAvraham Stern static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue) 111499944b73SAvraham Stern { 111599944b73SAvraham Stern return queue == mvm->aux_queue || queue == mvm->probe_queue || 111699944b73SAvraham Stern queue == mvm->p2p_dev_queue || queue == mvm->snif_queue; 111799944b73SAvraham Stern } 111899944b73SAvraham Stern 1119cfbc6c4cSSara Sharon static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, 1120cfbc6c4cSSara Sharon int hw_queue, bool start) 1121e705c121SKalle Valo { 1122e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1123cfbc6c4cSSara Sharon struct ieee80211_sta *sta; 1124cfbc6c4cSSara Sharon struct ieee80211_txq *txq; 1125cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq; 1126cfbc6c4cSSara Sharon int i; 1127cfbc6c4cSSara Sharon unsigned long tid_bitmap; 1128cfbc6c4cSSara Sharon struct iwl_mvm_sta *mvmsta; 1129cfbc6c4cSSara Sharon u8 sta_id; 1130e705c121SKalle Valo 1131cfbc6c4cSSara Sharon sta_id = iwl_mvm_has_new_tx_api(mvm) ? 1132cfbc6c4cSSara Sharon mvm->tvqm_info[hw_queue].sta_id : 1133cfbc6c4cSSara Sharon mvm->queue_info[hw_queue].ra_sta_id; 1134b4f7a9d1SLiad Kaufman 1135cfbc6c4cSSara Sharon if (WARN_ON_ONCE(sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))) 1136e705c121SKalle Valo return; 1137e705c121SKalle Valo 1138cfbc6c4cSSara Sharon rcu_read_lock(); 1139cfbc6c4cSSara Sharon 1140cfbc6c4cSSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1141cfbc6c4cSSara Sharon if (IS_ERR_OR_NULL(sta)) 1142cfbc6c4cSSara Sharon goto out; 1143cfbc6c4cSSara Sharon mvmsta = iwl_mvm_sta_from_mac80211(sta); 1144cfbc6c4cSSara Sharon 114599944b73SAvraham Stern if (iwl_mvm_is_static_queue(mvm, hw_queue)) { 114699944b73SAvraham Stern if (!start) 114799944b73SAvraham Stern ieee80211_stop_queues(mvm->hw); 114899944b73SAvraham Stern else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST) 114999944b73SAvraham Stern ieee80211_wake_queues(mvm->hw); 115099944b73SAvraham Stern 115199944b73SAvraham Stern goto out; 115299944b73SAvraham Stern } 115399944b73SAvraham Stern 1154cfbc6c4cSSara Sharon if (iwl_mvm_has_new_tx_api(mvm)) { 1155cfbc6c4cSSara Sharon int tid = mvm->tvqm_info[hw_queue].txq_tid; 1156cfbc6c4cSSara Sharon 1157cfbc6c4cSSara Sharon tid_bitmap = BIT(tid); 1158cfbc6c4cSSara Sharon } else { 1159cfbc6c4cSSara Sharon tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap; 1160e705c121SKalle Valo } 1161e705c121SKalle Valo 1162cfbc6c4cSSara Sharon for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { 1163cfbc6c4cSSara Sharon int tid = i; 1164cfbc6c4cSSara Sharon 1165cfbc6c4cSSara Sharon if (tid == IWL_MAX_TID_COUNT) 1166cfbc6c4cSSara Sharon tid = IEEE80211_NUM_TIDS; 1167cfbc6c4cSSara Sharon 1168cfbc6c4cSSara Sharon txq = sta->txq[tid]; 1169cfbc6c4cSSara Sharon mvmtxq = iwl_mvm_txq_from_mac80211(txq); 1170cfbc6c4cSSara Sharon mvmtxq->stopped = !start; 1171cfbc6c4cSSara Sharon 1172cfbc6c4cSSara Sharon if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) 1173cfbc6c4cSSara Sharon iwl_mvm_mac_itxq_xmit(mvm->hw, txq); 1174e705c121SKalle Valo } 1175cfbc6c4cSSara Sharon 1176cfbc6c4cSSara Sharon out: 1177cfbc6c4cSSara Sharon rcu_read_unlock(); 1178cfbc6c4cSSara Sharon } 1179cfbc6c4cSSara Sharon 1180cfbc6c4cSSara Sharon static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1181cfbc6c4cSSara Sharon { 1182cfbc6c4cSSara Sharon iwl_mvm_queue_state_change(op_mode, hw_queue, false); 1183e705c121SKalle Valo } 1184e705c121SKalle Valo 1185b4f7a9d1SLiad Kaufman static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1186b4f7a9d1SLiad Kaufman { 1187cfbc6c4cSSara Sharon iwl_mvm_queue_state_change(op_mode, hw_queue, true); 1188b4f7a9d1SLiad Kaufman } 1189b4f7a9d1SLiad Kaufman 11906ad04359SJohannes Berg static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm) 11916ad04359SJohannes Berg { 11926ad04359SJohannes Berg bool state = iwl_mvm_is_radio_killed(mvm); 11936ad04359SJohannes Berg 11946ad04359SJohannes Berg if (state) 11956ad04359SJohannes Berg wake_up(&mvm->rx_sync_waitq); 11966ad04359SJohannes Berg 11976ad04359SJohannes Berg wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state); 11986ad04359SJohannes Berg } 11996ad04359SJohannes Berg 1200e705c121SKalle Valo void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) 1201e705c121SKalle Valo { 1202e705c121SKalle Valo if (state) 1203e705c121SKalle Valo set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1204e705c121SKalle Valo else 1205e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1206e705c121SKalle Valo 12076ad04359SJohannes Berg iwl_mvm_set_rfkill_state(mvm); 1208e705c121SKalle Valo } 1209e705c121SKalle Valo 1210e705c121SKalle Valo static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) 1211e705c121SKalle Valo { 1212e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1213b3500b47SEmmanuel Grumbach bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done); 1214b3500b47SEmmanuel Grumbach bool unified = iwl_mvm_has_unified_ucode(mvm); 1215e705c121SKalle Valo 1216e705c121SKalle Valo if (state) 1217e705c121SKalle Valo set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1218e705c121SKalle Valo else 1219e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1220e705c121SKalle Valo 12216ad04359SJohannes Berg iwl_mvm_set_rfkill_state(mvm); 1222e705c121SKalle Valo 1223b3500b47SEmmanuel Grumbach /* iwl_run_init_mvm_ucode is waiting for results, abort it. */ 1224b3500b47SEmmanuel Grumbach if (rfkill_safe_init_done) 1225e705c121SKalle Valo iwl_abort_notification_waits(&mvm->notif_wait); 1226e705c121SKalle Valo 1227e705c121SKalle Valo /* 1228b3500b47SEmmanuel Grumbach * Don't ask the transport to stop the firmware. We'll do it 1229b3500b47SEmmanuel Grumbach * after cfg80211 takes us down. 1230b3500b47SEmmanuel Grumbach */ 1231b3500b47SEmmanuel Grumbach if (unified) 1232b3500b47SEmmanuel Grumbach return false; 1233b3500b47SEmmanuel Grumbach 1234b3500b47SEmmanuel Grumbach /* 1235e705c121SKalle Valo * Stop the device if we run OPERATIONAL firmware or if we are in the 1236e705c121SKalle Valo * middle of the calibrations. 1237e705c121SKalle Valo */ 123807c89a60SEmmanuel Grumbach return state && rfkill_safe_init_done; 1239e705c121SKalle Valo } 1240e705c121SKalle Valo 1241e705c121SKalle Valo static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) 1242e705c121SKalle Valo { 1243e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1244e705c121SKalle Valo struct ieee80211_tx_info *info; 1245e705c121SKalle Valo 1246e705c121SKalle Valo info = IEEE80211_SKB_CB(skb); 1247e705c121SKalle Valo iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); 1248e705c121SKalle Valo ieee80211_free_txskb(mvm->hw, skb); 1249e705c121SKalle Valo } 1250e705c121SKalle Valo 1251e705c121SKalle Valo struct iwl_mvm_reprobe { 1252e705c121SKalle Valo struct device *dev; 1253e705c121SKalle Valo struct work_struct work; 1254e705c121SKalle Valo }; 1255e705c121SKalle Valo 1256e705c121SKalle Valo static void iwl_mvm_reprobe_wk(struct work_struct *wk) 1257e705c121SKalle Valo { 1258e705c121SKalle Valo struct iwl_mvm_reprobe *reprobe; 1259e705c121SKalle Valo 1260e705c121SKalle Valo reprobe = container_of(wk, struct iwl_mvm_reprobe, work); 1261e705c121SKalle Valo if (device_reprobe(reprobe->dev)) 1262e705c121SKalle Valo dev_err(reprobe->dev, "reprobe failed!\n"); 1263e705c121SKalle Valo kfree(reprobe); 1264e705c121SKalle Valo module_put(THIS_MODULE); 1265e705c121SKalle Valo } 1266e705c121SKalle Valo 1267e705c121SKalle Valo void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) 1268e705c121SKalle Valo { 1269e705c121SKalle Valo iwl_abort_notification_waits(&mvm->notif_wait); 1270bfd8e3daSShahar S Matityahu del_timer(&mvm->fwrt.dump.periodic_trig); 1271e705c121SKalle Valo 1272e705c121SKalle Valo /* 1273e705c121SKalle Valo * This is a bit racy, but worst case we tell mac80211 about 1274e705c121SKalle Valo * a stopped/aborted scan when that was already done which 1275e705c121SKalle Valo * is not a problem. It is necessary to abort any os scan 1276e705c121SKalle Valo * here because mac80211 requires having the scan cleared 1277e705c121SKalle Valo * before restarting. 1278e705c121SKalle Valo * We'll reset the scan_status to NONE in restart cleanup in 1279e705c121SKalle Valo * the next start() call from mac80211. If restart isn't called 1280e705c121SKalle Valo * (no fw restart) scan status will stay busy. 1281e705c121SKalle Valo */ 1282e705c121SKalle Valo iwl_mvm_report_scan_aborted(mvm); 1283e705c121SKalle Valo 1284e705c121SKalle Valo /* 1285e705c121SKalle Valo * If we're restarting already, don't cycle restarts. 1286e705c121SKalle Valo * If INIT fw asserted, it will likely fail again. 1287e705c121SKalle Valo * If WoWLAN fw asserted, don't restart either, mac80211 1288e705c121SKalle Valo * can't recover this since we're already half suspended. 1289e705c121SKalle Valo */ 12903b37f4c9SJohannes Berg if (!mvm->fw_restart && fw_error) { 12914b1831e4SShahar S Matityahu iwl_fw_error_collect(&mvm->fwrt); 1292bf8b286fSJohannes Berg } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1293e705c121SKalle Valo struct iwl_mvm_reprobe *reprobe; 1294e705c121SKalle Valo 1295e705c121SKalle Valo IWL_ERR(mvm, 1296e705c121SKalle Valo "Firmware error during reconfiguration - reprobe!\n"); 1297e705c121SKalle Valo 1298e705c121SKalle Valo /* 1299e705c121SKalle Valo * get a module reference to avoid doing this while unloading 1300e705c121SKalle Valo * anyway and to avoid scheduling a work with code that's 1301e705c121SKalle Valo * being removed. 1302e705c121SKalle Valo */ 1303e705c121SKalle Valo if (!try_module_get(THIS_MODULE)) { 1304e705c121SKalle Valo IWL_ERR(mvm, "Module is being unloaded - abort\n"); 1305e705c121SKalle Valo return; 1306e705c121SKalle Valo } 1307e705c121SKalle Valo 1308e705c121SKalle Valo reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC); 1309e705c121SKalle Valo if (!reprobe) { 1310e705c121SKalle Valo module_put(THIS_MODULE); 1311e705c121SKalle Valo return; 1312e705c121SKalle Valo } 1313e705c121SKalle Valo reprobe->dev = mvm->trans->dev; 1314e705c121SKalle Valo INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk); 1315e705c121SKalle Valo schedule_work(&reprobe->work); 13161e78e759SIlan Peer } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 13171e78e759SIlan Peer &mvm->status)) { 13181e78e759SIlan Peer IWL_ERR(mvm, "HW restart already requested, but not started\n"); 1319702e975dSJohannes Berg } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && 1320f60c9e59SEmmanuel Grumbach mvm->hw_registered && 1321f60c9e59SEmmanuel Grumbach !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) { 1322e705c121SKalle Valo /* don't let the transport/FW power down */ 1323e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); 1324e705c121SKalle Valo 1325f130bb75SMordechay Goodstein if (mvm->fw->ucode_capa.error_log_size) { 1326f130bb75SMordechay Goodstein u32 src_size = mvm->fw->ucode_capa.error_log_size; 1327f130bb75SMordechay Goodstein u32 src_addr = mvm->fw->ucode_capa.error_log_addr; 1328f130bb75SMordechay Goodstein u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC); 1329f130bb75SMordechay Goodstein 1330f130bb75SMordechay Goodstein if (recover_buf) { 1331f130bb75SMordechay Goodstein mvm->error_recovery_buf = recover_buf; 1332f130bb75SMordechay Goodstein iwl_trans_read_mem_bytes(mvm->trans, 1333f130bb75SMordechay Goodstein src_addr, 1334f130bb75SMordechay Goodstein recover_buf, 1335f130bb75SMordechay Goodstein src_size); 1336f130bb75SMordechay Goodstein } 1337f130bb75SMordechay Goodstein } 1338f130bb75SMordechay Goodstein 13394b1831e4SShahar S Matityahu iwl_fw_error_collect(&mvm->fwrt); 13404b1831e4SShahar S Matityahu 13413b37f4c9SJohannes Berg if (fw_error && mvm->fw_restart > 0) 13423b37f4c9SJohannes Berg mvm->fw_restart--; 1343bf8b286fSJohannes Berg set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1344e705c121SKalle Valo ieee80211_restart_hw(mvm->hw); 1345e705c121SKalle Valo } 1346e705c121SKalle Valo } 1347e705c121SKalle Valo 1348e705c121SKalle Valo static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode) 1349e705c121SKalle Valo { 1350e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1351e705c121SKalle Valo 1352f60c9e59SEmmanuel Grumbach if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) 1353e705c121SKalle Valo iwl_mvm_dump_nic_error_log(mvm); 1354e705c121SKalle Valo 1355e705c121SKalle Valo iwl_mvm_nic_restart(mvm, true); 1356e705c121SKalle Valo } 1357e705c121SKalle Valo 1358e705c121SKalle Valo static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) 1359e705c121SKalle Valo { 1360e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1361e705c121SKalle Valo 1362e705c121SKalle Valo WARN_ON(1); 1363e705c121SKalle Valo iwl_mvm_nic_restart(mvm, true); 1364e705c121SKalle Valo } 1365e705c121SKalle Valo 1366a75b9b33SLuca Coelho #ifdef CONFIG_PM 1367e705c121SKalle Valo struct iwl_d0i3_iter_data { 1368e705c121SKalle Valo struct iwl_mvm *mvm; 1369a3f7ba5cSEliad Peller struct ieee80211_vif *connected_vif; 1370e705c121SKalle Valo u8 ap_sta_id; 1371e705c121SKalle Valo u8 vif_count; 1372e705c121SKalle Valo u8 offloading_tid; 1373e705c121SKalle Valo bool disable_offloading; 1374e705c121SKalle Valo }; 1375e705c121SKalle Valo 1376e705c121SKalle Valo static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm, 1377e705c121SKalle Valo struct ieee80211_vif *vif, 1378e705c121SKalle Valo struct iwl_d0i3_iter_data *iter_data) 1379e705c121SKalle Valo { 1380e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1381e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 1382e705c121SKalle Valo u32 available_tids = 0; 1383e705c121SKalle Valo u8 tid; 1384e705c121SKalle Valo 1385e705c121SKalle Valo if (WARN_ON(vif->type != NL80211_IFTYPE_STATION || 13860ae98812SSara Sharon mvmvif->ap_sta_id == IWL_MVM_INVALID_STA)) 1387e705c121SKalle Valo return false; 1388e705c121SKalle Valo 138913303c0fSSara Sharon mvmsta = iwl_mvm_sta_from_staid_rcu(mvm, mvmvif->ap_sta_id); 139013303c0fSSara Sharon if (!mvmsta) 1391e705c121SKalle Valo return false; 1392e705c121SKalle Valo 1393e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 1394e705c121SKalle Valo for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 1395e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 1396e705c121SKalle Valo 1397e705c121SKalle Valo /* 1398e705c121SKalle Valo * in case of pending tx packets, don't use this tid 1399e705c121SKalle Valo * for offloading in order to prevent reuse of the same 1400e705c121SKalle Valo * qos seq counters. 1401e705c121SKalle Valo */ 1402dd32162dSLiad Kaufman if (iwl_mvm_tid_queued(mvm, tid_data)) 1403e705c121SKalle Valo continue; 1404e705c121SKalle Valo 1405e705c121SKalle Valo if (tid_data->state != IWL_AGG_OFF) 1406e705c121SKalle Valo continue; 1407e705c121SKalle Valo 1408e705c121SKalle Valo available_tids |= BIT(tid); 1409e705c121SKalle Valo } 1410e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 1411e705c121SKalle Valo 1412e705c121SKalle Valo /* 1413e705c121SKalle Valo * disallow protocol offloading if we have no available tid 1414e705c121SKalle Valo * (with no pending frames and no active aggregation, 1415e705c121SKalle Valo * as we don't handle "holes" properly - the scheduler needs the 1416e705c121SKalle Valo * frame's seq number and TFD index to match) 1417e705c121SKalle Valo */ 1418e705c121SKalle Valo if (!available_tids) 1419e705c121SKalle Valo return true; 1420e705c121SKalle Valo 1421e705c121SKalle Valo /* for simplicity, just use the first available tid */ 1422e705c121SKalle Valo iter_data->offloading_tid = ffs(available_tids) - 1; 1423e705c121SKalle Valo return false; 1424e705c121SKalle Valo } 1425e705c121SKalle Valo 1426e705c121SKalle Valo static void iwl_mvm_enter_d0i3_iterator(void *_data, u8 *mac, 1427e705c121SKalle Valo struct ieee80211_vif *vif) 1428e705c121SKalle Valo { 1429e705c121SKalle Valo struct iwl_d0i3_iter_data *data = _data; 1430e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1431e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1432e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE; 1433e705c121SKalle Valo 1434e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "entering D0i3 - vif %pM\n", vif->addr); 1435e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1436e705c121SKalle Valo !vif->bss_conf.assoc) 1437e705c121SKalle Valo return; 1438e705c121SKalle Valo 1439e705c121SKalle Valo /* 1440e705c121SKalle Valo * in case of pending tx packets or active aggregations, 1441e705c121SKalle Valo * avoid offloading features in order to prevent reuse of 1442e705c121SKalle Valo * the same qos seq counters. 1443e705c121SKalle Valo */ 1444e705c121SKalle Valo if (iwl_mvm_disallow_offloading(mvm, vif, data)) 1445e705c121SKalle Valo data->disable_offloading = true; 1446e705c121SKalle Valo 1447e705c121SKalle Valo iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags); 1448c97dab40SSara Sharon iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading, 1449c97dab40SSara Sharon false, flags); 1450e705c121SKalle Valo 1451e705c121SKalle Valo /* 1452e705c121SKalle Valo * on init/association, mvm already configures POWER_TABLE_CMD 1453e705c121SKalle Valo * and REPLY_MCAST_FILTER_CMD, so currently don't 1454e705c121SKalle Valo * reconfigure them (we might want to use different 1455e705c121SKalle Valo * params later on, though). 1456e705c121SKalle Valo */ 1457e705c121SKalle Valo data->ap_sta_id = mvmvif->ap_sta_id; 1458e705c121SKalle Valo data->vif_count++; 1459a3f7ba5cSEliad Peller 1460a3f7ba5cSEliad Peller /* 1461a3f7ba5cSEliad Peller * no new commands can be sent at this stage, so it's safe 1462a3f7ba5cSEliad Peller * to save the vif pointer during d0i3 entrance. 1463a3f7ba5cSEliad Peller */ 1464a3f7ba5cSEliad Peller data->connected_vif = vif; 1465e705c121SKalle Valo } 1466e705c121SKalle Valo 1467e705c121SKalle Valo static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm, 1468e705c121SKalle Valo struct iwl_wowlan_config_cmd *cmd, 1469e705c121SKalle Valo struct iwl_d0i3_iter_data *iter_data) 1470e705c121SKalle Valo { 1471e705c121SKalle Valo struct ieee80211_sta *ap_sta; 1472e705c121SKalle Valo struct iwl_mvm_sta *mvm_ap_sta; 1473e705c121SKalle Valo 14740ae98812SSara Sharon if (iter_data->ap_sta_id == IWL_MVM_INVALID_STA) 1475e705c121SKalle Valo return; 1476e705c121SKalle Valo 1477e705c121SKalle Valo rcu_read_lock(); 1478e705c121SKalle Valo 1479e705c121SKalle Valo ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[iter_data->ap_sta_id]); 1480e705c121SKalle Valo if (IS_ERR_OR_NULL(ap_sta)) 1481e705c121SKalle Valo goto out; 1482e705c121SKalle Valo 1483e705c121SKalle Valo mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta); 1484e705c121SKalle Valo cmd->is_11n_connection = ap_sta->ht_cap.ht_supported; 1485e705c121SKalle Valo cmd->offloading_tid = iter_data->offloading_tid; 148670b4c536SSara Sharon cmd->flags = ENABLE_L3_FILTERING | ENABLE_NBNS_FILTERING | 14870db056d3SSara Sharon ENABLE_DHCP_FILTERING | ENABLE_STORE_BEACON; 1488e705c121SKalle Valo /* 1489e705c121SKalle Valo * The d0i3 uCode takes care of the nonqos counters, 1490e705c121SKalle Valo * so configure only the qos seq ones. 1491e705c121SKalle Valo */ 1492e705c121SKalle Valo iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, cmd); 1493e705c121SKalle Valo out: 1494e705c121SKalle Valo rcu_read_unlock(); 1495e705c121SKalle Valo } 1496e705c121SKalle Valo 1497e705c121SKalle Valo int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode) 1498e705c121SKalle Valo { 1499e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1500e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE; 1501e705c121SKalle Valo int ret; 1502e705c121SKalle Valo struct iwl_d0i3_iter_data d0i3_iter_data = { 1503e705c121SKalle Valo .mvm = mvm, 1504e705c121SKalle Valo }; 1505e705c121SKalle Valo struct iwl_wowlan_config_cmd wowlan_config_cmd = { 1506e705c121SKalle Valo .wakeup_filter = cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME | 1507e705c121SKalle Valo IWL_WOWLAN_WAKEUP_BEACON_MISS | 15080db056d3SSara Sharon IWL_WOWLAN_WAKEUP_LINK_CHANGE), 1509e705c121SKalle Valo }; 1510e705c121SKalle Valo struct iwl_d3_manager_config d3_cfg_cmd = { 1511e705c121SKalle Valo .min_sleep_time = cpu_to_le32(1000), 1512e705c121SKalle Valo .wakeup_flags = cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR), 1513e705c121SKalle Valo }; 1514e705c121SKalle Valo 1515e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n"); 1516e705c121SKalle Valo 1517702e975dSJohannes Berg if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)) 151808f0d23dSEliad Peller return -EINVAL; 151908f0d23dSEliad Peller 1520e705c121SKalle Valo set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1521e705c121SKalle Valo 1522e705c121SKalle Valo /* 1523e705c121SKalle Valo * iwl_mvm_ref_sync takes a reference before checking the flag. 1524e705c121SKalle Valo * so by checking there is no held reference we prevent a state 1525e705c121SKalle Valo * in which iwl_mvm_ref_sync continues successfully while we 1526e705c121SKalle Valo * configure the firmware to enter d0i3 1527e705c121SKalle Valo */ 1528e705c121SKalle Valo if (iwl_mvm_ref_taken(mvm)) { 1529e705c121SKalle Valo IWL_DEBUG_RPM(mvm->trans, "abort d0i3 due to taken ref\n"); 1530e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1531e705c121SKalle Valo wake_up(&mvm->d0i3_exit_waitq); 1532e705c121SKalle Valo return 1; 1533e705c121SKalle Valo } 1534e705c121SKalle Valo 1535e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic(mvm->hw, 1536e705c121SKalle Valo IEEE80211_IFACE_ITER_NORMAL, 1537e705c121SKalle Valo iwl_mvm_enter_d0i3_iterator, 1538e705c121SKalle Valo &d0i3_iter_data); 1539e705c121SKalle Valo if (d0i3_iter_data.vif_count == 1) { 1540e705c121SKalle Valo mvm->d0i3_ap_sta_id = d0i3_iter_data.ap_sta_id; 1541e705c121SKalle Valo mvm->d0i3_offloading = !d0i3_iter_data.disable_offloading; 1542e705c121SKalle Valo } else { 1543e705c121SKalle Valo WARN_ON_ONCE(d0i3_iter_data.vif_count > 1); 15440ae98812SSara Sharon mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; 1545e705c121SKalle Valo mvm->d0i3_offloading = false; 1546e705c121SKalle Valo } 1547e705c121SKalle Valo 15487d9d0d56SLuca Coelho iwl_mvm_pause_tcm(mvm, true); 1549e705c121SKalle Valo /* make sure we have no running tx while configuring the seqno */ 1550e705c121SKalle Valo synchronize_net(); 1551e705c121SKalle Valo 1552eb3908d3SLuca Coelho /* Flush the hw queues, in case something got queued during entry */ 1553d167e81aSMordechai Goodstein /* TODO new tx api */ 1554d167e81aSMordechai Goodstein if (iwl_mvm_has_new_tx_api(mvm)) { 1555d167e81aSMordechai Goodstein WARN_ONCE(1, "d0i3: Need to implement flush TX queue\n"); 1556d167e81aSMordechai Goodstein } else { 1557d167e81aSMordechai Goodstein ret = iwl_mvm_flush_tx_path(mvm, iwl_mvm_flushable_queues(mvm), 1558d167e81aSMordechai Goodstein flags); 1559eb3908d3SLuca Coelho if (ret) 1560eb3908d3SLuca Coelho return ret; 1561d167e81aSMordechai Goodstein } 1562eb3908d3SLuca Coelho 1563e705c121SKalle Valo /* configure wowlan configuration only if needed */ 15640ae98812SSara Sharon if (mvm->d0i3_ap_sta_id != IWL_MVM_INVALID_STA) { 15650db056d3SSara Sharon /* wake on beacons only if beacon storing isn't supported */ 15660db056d3SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 15670db056d3SSara Sharon IWL_UCODE_TLV_CAPA_BEACON_STORING)) 15680db056d3SSara Sharon wowlan_config_cmd.wakeup_filter |= 15690db056d3SSara Sharon cpu_to_le32(IWL_WOWLAN_WAKEUP_BCN_FILTERING); 15700db056d3SSara Sharon 1571a3f7ba5cSEliad Peller iwl_mvm_wowlan_config_key_params(mvm, 1572a3f7ba5cSEliad Peller d0i3_iter_data.connected_vif, 1573a3f7ba5cSEliad Peller true, flags); 1574a3f7ba5cSEliad Peller 1575e705c121SKalle Valo iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd, 1576e705c121SKalle Valo &d0i3_iter_data); 1577e705c121SKalle Valo 1578e705c121SKalle Valo ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags, 1579e705c121SKalle Valo sizeof(wowlan_config_cmd), 1580e705c121SKalle Valo &wowlan_config_cmd); 1581e705c121SKalle Valo if (ret) 1582e705c121SKalle Valo return ret; 1583e705c121SKalle Valo } 1584e705c121SKalle Valo 1585e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD, 1586e705c121SKalle Valo flags | CMD_MAKE_TRANS_IDLE, 1587e705c121SKalle Valo sizeof(d3_cfg_cmd), &d3_cfg_cmd); 1588e705c121SKalle Valo } 1589e705c121SKalle Valo 1590e705c121SKalle Valo static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac, 1591e705c121SKalle Valo struct ieee80211_vif *vif) 1592e705c121SKalle Valo { 1593e705c121SKalle Valo struct iwl_mvm *mvm = _data; 1594e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO; 1595e705c121SKalle Valo 1596e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "exiting D0i3 - vif %pM\n", vif->addr); 1597e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1598e705c121SKalle Valo !vif->bss_conf.assoc) 1599e705c121SKalle Valo return; 1600e705c121SKalle Valo 1601e705c121SKalle Valo iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags); 1602e705c121SKalle Valo } 1603e705c121SKalle Valo 1604a3f7ba5cSEliad Peller struct iwl_mvm_d0i3_exit_work_iter_data { 1605e705c121SKalle Valo struct iwl_mvm *mvm; 1606a3f7ba5cSEliad Peller struct iwl_wowlan_status *status; 1607e705c121SKalle Valo u32 wakeup_reasons; 1608e705c121SKalle Valo }; 1609e705c121SKalle Valo 1610a3f7ba5cSEliad Peller static void iwl_mvm_d0i3_exit_work_iter(void *_data, u8 *mac, 1611e705c121SKalle Valo struct ieee80211_vif *vif) 1612e705c121SKalle Valo { 1613a3f7ba5cSEliad Peller struct iwl_mvm_d0i3_exit_work_iter_data *data = _data; 1614e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1615a3f7ba5cSEliad Peller u32 reasons = data->wakeup_reasons; 1616e705c121SKalle Valo 1617a3f7ba5cSEliad Peller /* consider only the relevant station interface */ 1618a3f7ba5cSEliad Peller if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || 1619a3f7ba5cSEliad Peller data->mvm->d0i3_ap_sta_id != mvmvif->ap_sta_id) 1620a3f7ba5cSEliad Peller return; 1621a3f7ba5cSEliad Peller 1622a3f7ba5cSEliad Peller if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH) 1623e705c121SKalle Valo iwl_mvm_connection_loss(data->mvm, vif, "D0i3"); 1624a3f7ba5cSEliad Peller else if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON) 1625e705c121SKalle Valo ieee80211_beacon_loss(vif); 1626a3f7ba5cSEliad Peller else 1627a3f7ba5cSEliad Peller iwl_mvm_d0i3_update_keys(data->mvm, vif, data->status); 1628e705c121SKalle Valo } 1629e705c121SKalle Valo 1630e705c121SKalle Valo void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq) 1631e705c121SKalle Valo { 1632e705c121SKalle Valo struct ieee80211_sta *sta = NULL; 1633e705c121SKalle Valo struct iwl_mvm_sta *mvm_ap_sta; 1634e705c121SKalle Valo int i; 1635e705c121SKalle Valo bool wake_queues = false; 1636e705c121SKalle Valo 1637e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1638e705c121SKalle Valo 1639e705c121SKalle Valo spin_lock_bh(&mvm->d0i3_tx_lock); 1640e705c121SKalle Valo 16410ae98812SSara Sharon if (mvm->d0i3_ap_sta_id == IWL_MVM_INVALID_STA) 1642e705c121SKalle Valo goto out; 1643e705c121SKalle Valo 1644e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "re-enqueue packets\n"); 1645e705c121SKalle Valo 1646e705c121SKalle Valo /* get the sta in order to update seq numbers and re-enqueue skbs */ 1647e705c121SKalle Valo sta = rcu_dereference_protected( 1648e705c121SKalle Valo mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id], 1649e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 1650e705c121SKalle Valo 1651e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) { 1652e705c121SKalle Valo sta = NULL; 1653e705c121SKalle Valo goto out; 1654e705c121SKalle Valo } 1655e705c121SKalle Valo 1656e705c121SKalle Valo if (mvm->d0i3_offloading && qos_seq) { 1657e705c121SKalle Valo /* update qos seq numbers if offloading was enabled */ 1658e705c121SKalle Valo mvm_ap_sta = iwl_mvm_sta_from_mac80211(sta); 1659e705c121SKalle Valo for (i = 0; i < IWL_MAX_TID_COUNT; i++) { 1660e705c121SKalle Valo u16 seq = le16_to_cpu(qos_seq[i]); 1661e705c121SKalle Valo /* firmware stores last-used one, we store next one */ 1662e705c121SKalle Valo seq += 0x10; 1663e705c121SKalle Valo mvm_ap_sta->tid_data[i].seq_number = seq; 1664e705c121SKalle Valo } 1665e705c121SKalle Valo } 1666e705c121SKalle Valo out: 1667e705c121SKalle Valo /* re-enqueue (or drop) all packets */ 1668e705c121SKalle Valo while (!skb_queue_empty(&mvm->d0i3_tx)) { 1669e705c121SKalle Valo struct sk_buff *skb = __skb_dequeue(&mvm->d0i3_tx); 1670e705c121SKalle Valo 1671e705c121SKalle Valo if (!sta || iwl_mvm_tx_skb(mvm, skb, sta)) 1672e705c121SKalle Valo ieee80211_free_txskb(mvm->hw, skb); 1673e705c121SKalle Valo 1674e705c121SKalle Valo /* if the skb_queue is not empty, we need to wake queues */ 1675e705c121SKalle Valo wake_queues = true; 1676e705c121SKalle Valo } 1677e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1678e705c121SKalle Valo wake_up(&mvm->d0i3_exit_waitq); 16790ae98812SSara Sharon mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; 1680e705c121SKalle Valo if (wake_queues) 1681e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 1682e705c121SKalle Valo 1683e705c121SKalle Valo spin_unlock_bh(&mvm->d0i3_tx_lock); 1684e705c121SKalle Valo } 1685e705c121SKalle Valo 1686e705c121SKalle Valo static void iwl_mvm_d0i3_exit_work(struct work_struct *wk) 1687e705c121SKalle Valo { 1688e705c121SKalle Valo struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, d0i3_exit_work); 1689a3f7ba5cSEliad Peller struct iwl_mvm_d0i3_exit_work_iter_data iter_data = { 1690a3f7ba5cSEliad Peller .mvm = mvm, 1691a3f7ba5cSEliad Peller }; 1692a3f7ba5cSEliad Peller 1693e705c121SKalle Valo struct iwl_wowlan_status *status; 1694a3f7ba5cSEliad Peller u32 wakeup_reasons = 0; 1695e705c121SKalle Valo __le16 *qos_seq = NULL; 1696e705c121SKalle Valo 1697e705c121SKalle Valo mutex_lock(&mvm->mutex); 1698e705c121SKalle Valo 16992afa6a73SLuca Coelho status = iwl_mvm_send_wowlan_get_status(mvm); 17002afa6a73SLuca Coelho if (IS_ERR_OR_NULL(status)) { 17012afa6a73SLuca Coelho /* set to NULL so we don't need to check before kfree'ing */ 17022afa6a73SLuca Coelho status = NULL; 17032afa6a73SLuca Coelho goto out; 17042afa6a73SLuca Coelho } 17052afa6a73SLuca Coelho 1706e705c121SKalle Valo wakeup_reasons = le32_to_cpu(status->wakeup_reasons); 1707e705c121SKalle Valo qos_seq = status->qos_seq_ctr; 1708e705c121SKalle Valo 1709e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons); 1710e705c121SKalle Valo 1711a3f7ba5cSEliad Peller iter_data.wakeup_reasons = wakeup_reasons; 1712a3f7ba5cSEliad Peller iter_data.status = status; 1713a3f7ba5cSEliad Peller ieee80211_iterate_active_interfaces(mvm->hw, 1714a3f7ba5cSEliad Peller IEEE80211_IFACE_ITER_NORMAL, 1715a3f7ba5cSEliad Peller iwl_mvm_d0i3_exit_work_iter, 1716a3f7ba5cSEliad Peller &iter_data); 1717e705c121SKalle Valo out: 1718e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, qos_seq); 1719e705c121SKalle Valo 1720e705c121SKalle Valo IWL_DEBUG_INFO(mvm, "d0i3 exit completed (wakeup reasons: 0x%x)\n", 1721e705c121SKalle Valo wakeup_reasons); 1722e705c121SKalle Valo 1723e705c121SKalle Valo /* qos_seq might point inside resp_pkt, so free it only now */ 17242afa6a73SLuca Coelho kfree(status); 1725e705c121SKalle Valo 1726e705c121SKalle Valo /* the FW might have updated the regdomain */ 1727e705c121SKalle Valo iwl_mvm_update_changed_regdom(mvm); 1728e705c121SKalle Valo 17297d9d0d56SLuca Coelho iwl_mvm_resume_tcm(mvm); 1730e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_EXIT_WORK); 1731e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1732e705c121SKalle Valo } 1733e705c121SKalle Valo 1734e705c121SKalle Valo int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm) 1735e705c121SKalle Valo { 1736e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE | 1737e705c121SKalle Valo CMD_WAKE_UP_TRANS; 1738e705c121SKalle Valo int ret; 1739e705c121SKalle Valo 1740e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "MVM exiting D0i3\n"); 1741e705c121SKalle Valo 1742702e975dSJohannes Berg if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)) 174308f0d23dSEliad Peller return -EINVAL; 174408f0d23dSEliad Peller 1745e705c121SKalle Valo mutex_lock(&mvm->d0i3_suspend_mutex); 1746e705c121SKalle Valo if (test_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags)) { 1747e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Deferring d0i3 exit until resume\n"); 1748e705c121SKalle Valo __set_bit(D0I3_PENDING_WAKEUP, &mvm->d0i3_suspend_flags); 1749e705c121SKalle Valo mutex_unlock(&mvm->d0i3_suspend_mutex); 1750e705c121SKalle Valo return 0; 1751e705c121SKalle Valo } 1752e705c121SKalle Valo mutex_unlock(&mvm->d0i3_suspend_mutex); 1753e705c121SKalle Valo 1754e705c121SKalle Valo ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL); 1755e705c121SKalle Valo if (ret) 1756e705c121SKalle Valo goto out; 1757e705c121SKalle Valo 1758e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic(mvm->hw, 1759e705c121SKalle Valo IEEE80211_IFACE_ITER_NORMAL, 1760e705c121SKalle Valo iwl_mvm_exit_d0i3_iterator, 1761e705c121SKalle Valo mvm); 1762e705c121SKalle Valo out: 1763e705c121SKalle Valo schedule_work(&mvm->d0i3_exit_work); 1764e705c121SKalle Valo return ret; 1765e705c121SKalle Valo } 1766e705c121SKalle Valo 1767e705c121SKalle Valo int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode) 1768e705c121SKalle Valo { 1769e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1770e705c121SKalle Valo 1771e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_EXIT_WORK); 1772e705c121SKalle Valo return _iwl_mvm_exit_d0i3(mvm); 1773e705c121SKalle Valo } 1774e705c121SKalle Valo 1775a75b9b33SLuca Coelho #define IWL_MVM_D0I3_OPS \ 1776a75b9b33SLuca Coelho .enter_d0i3 = iwl_mvm_enter_d0i3, \ 1777a75b9b33SLuca Coelho .exit_d0i3 = iwl_mvm_exit_d0i3, 1778a75b9b33SLuca Coelho #else /* CONFIG_PM */ 1779a75b9b33SLuca Coelho #define IWL_MVM_D0I3_OPS 1780a75b9b33SLuca Coelho #endif /* CONFIG_PM */ 1781a75b9b33SLuca Coelho 1782e705c121SKalle Valo #define IWL_MVM_COMMON_OPS \ 1783e705c121SKalle Valo /* these could be differentiated */ \ 1784156f92f2SEmmanuel Grumbach .async_cb = iwl_mvm_async_cb, \ 1785e705c121SKalle Valo .queue_full = iwl_mvm_stop_sw_queue, \ 1786e705c121SKalle Valo .queue_not_full = iwl_mvm_wake_sw_queue, \ 1787e705c121SKalle Valo .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \ 1788e705c121SKalle Valo .free_skb = iwl_mvm_free_skb, \ 1789e705c121SKalle Valo .nic_error = iwl_mvm_nic_error, \ 1790e705c121SKalle Valo .cmd_queue_full = iwl_mvm_cmd_queue_full, \ 1791e705c121SKalle Valo .nic_config = iwl_mvm_nic_config, \ 1792a75b9b33SLuca Coelho IWL_MVM_D0I3_OPS \ 1793e705c121SKalle Valo /* as we only register one, these MUST be common! */ \ 1794e705c121SKalle Valo .start = iwl_op_mode_mvm_start, \ 1795e705c121SKalle Valo .stop = iwl_op_mode_mvm_stop 1796e705c121SKalle Valo 1797e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops = { 1798e705c121SKalle Valo IWL_MVM_COMMON_OPS, 1799e705c121SKalle Valo .rx = iwl_mvm_rx, 1800e705c121SKalle Valo }; 1801e705c121SKalle Valo 1802e705c121SKalle Valo static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, 1803e705c121SKalle Valo struct napi_struct *napi, 1804e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb, 1805e705c121SKalle Valo unsigned int queue) 1806e705c121SKalle Valo { 1807e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1808585a6fccSSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 180961b0f5d7SJohannes Berg u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1810e705c121SKalle Valo 181161b0f5d7SJohannes Berg if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))) 1812a338384bSSara Sharon iwl_mvm_rx_frame_release(mvm, napi, rxb, queue); 181361b0f5d7SJohannes Berg else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 181461b0f5d7SJohannes Berg RX_QUEUES_NOTIFICATION))) 1815c61b655aSEmmanuel Grumbach iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue); 181661b0f5d7SJohannes Berg else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1817780e87c2SJohannes Berg iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue); 1818e705c121SKalle Valo } 1819e705c121SKalle Valo 1820e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops_mq = { 1821e705c121SKalle Valo IWL_MVM_COMMON_OPS, 1822e705c121SKalle Valo .rx = iwl_mvm_rx_mq, 1823e705c121SKalle Valo .rx_rss = iwl_mvm_rx_mq_rss, 1824e705c121SKalle Valo }; 1825