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 118745f12aSShaul Triebitz * Copyright(c) 2018 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 * You should have received a copy of the GNU General Public License 23e705c121SKalle Valo * along with this program; if not, write to the Free Software 24e705c121SKalle Valo * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 25e705c121SKalle Valo * USA 26e705c121SKalle Valo * 27e705c121SKalle Valo * The full GNU General Public License is included in this distribution 28e705c121SKalle Valo * in the file called COPYING. 29e705c121SKalle Valo * 30e705c121SKalle Valo * Contact Information: 31cb2f8277SEmmanuel Grumbach * Intel Linux Wireless <linuxwifi@intel.com> 32e705c121SKalle Valo * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 33e705c121SKalle Valo * 34e705c121SKalle Valo * BSD LICENSE 35e705c121SKalle Valo * 36e705c121SKalle Valo * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 37e705c121SKalle Valo * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 38de8ba41bSLiad Kaufman * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 398745f12aSShaul Triebitz * Copyright(c) 2018 Intel Corporation 40e705c121SKalle Valo * All rights reserved. 41e705c121SKalle Valo * 42e705c121SKalle Valo * Redistribution and use in source and binary forms, with or without 43e705c121SKalle Valo * modification, are permitted provided that the following conditions 44e705c121SKalle Valo * are met: 45e705c121SKalle Valo * 46e705c121SKalle Valo * * Redistributions of source code must retain the above copyright 47e705c121SKalle Valo * notice, this list of conditions and the following disclaimer. 48e705c121SKalle Valo * * Redistributions in binary form must reproduce the above copyright 49e705c121SKalle Valo * notice, this list of conditions and the following disclaimer in 50e705c121SKalle Valo * the documentation and/or other materials provided with the 51e705c121SKalle Valo * distribution. 52e705c121SKalle Valo * * Neither the name Intel Corporation nor the names of its 53e705c121SKalle Valo * contributors may be used to endorse or promote products derived 54e705c121SKalle Valo * from this software without specific prior written permission. 55e705c121SKalle Valo * 56e705c121SKalle Valo * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 57e705c121SKalle Valo * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 58e705c121SKalle Valo * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 59e705c121SKalle Valo * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 60e705c121SKalle Valo * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 61e705c121SKalle Valo * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 62e705c121SKalle Valo * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 63e705c121SKalle Valo * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 64e705c121SKalle Valo * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 65e705c121SKalle Valo * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 66e705c121SKalle Valo * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 67e705c121SKalle Valo * 68e705c121SKalle Valo *****************************************************************************/ 69e705c121SKalle Valo #include <linux/module.h> 70e705c121SKalle Valo #include <linux/vmalloc.h> 71e705c121SKalle Valo #include <net/mac80211.h> 72e705c121SKalle Valo 739fca9d5cSJohannes Berg #include "fw/notif-wait.h" 74e705c121SKalle Valo #include "iwl-trans.h" 75e705c121SKalle Valo #include "iwl-op-mode.h" 76d962f9b1SJohannes Berg #include "fw/img.h" 77e705c121SKalle Valo #include "iwl-debug.h" 78e705c121SKalle Valo #include "iwl-drv.h" 79e705c121SKalle Valo #include "iwl-modparams.h" 80e705c121SKalle Valo #include "mvm.h" 81e705c121SKalle Valo #include "iwl-phy-db.h" 82e705c121SKalle Valo #include "iwl-eeprom-parse.h" 83e705c121SKalle Valo #include "iwl-csr.h" 84e705c121SKalle Valo #include "iwl-io.h" 85e705c121SKalle Valo #include "iwl-prph.h" 86e705c121SKalle Valo #include "rs.h" 87d172a5efSJohannes Berg #include "fw/api/scan.h" 88e705c121SKalle Valo #include "time-event.h" 8939bdb17eSSharon Dvir #include "fw-api.h" 90d172a5efSJohannes Berg #include "fw/api/scan.h" 91f2abcfa6SLuca Coelho #include "fw/acpi.h" 92e705c121SKalle Valo 93e705c121SKalle Valo #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux" 94e705c121SKalle Valo MODULE_DESCRIPTION(DRV_DESCRIPTION); 95e705c121SKalle Valo MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); 96e705c121SKalle Valo MODULE_LICENSE("GPL"); 97e705c121SKalle Valo 98e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops; 99e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops_mq; 100e705c121SKalle Valo 101e705c121SKalle Valo struct iwl_mvm_mod_params iwlmvm_mod_params = { 102e705c121SKalle Valo .power_scheme = IWL_POWER_SCHEME_BPS, 103e705c121SKalle Valo .tfd_q_hang_detect = true 104e705c121SKalle Valo /* rest of fields are 0 by default */ 105e705c121SKalle Valo }; 106e705c121SKalle Valo 1072ef00c53SJoe Perches module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444); 108e705c121SKalle Valo MODULE_PARM_DESC(init_dbg, 109e705c121SKalle Valo "set to true to debug an ASSERT in INIT fw (default: false"); 1102ef00c53SJoe Perches module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444); 111e705c121SKalle Valo MODULE_PARM_DESC(power_scheme, 112e705c121SKalle Valo "power management scheme: 1-active, 2-balanced, 3-low power, default: 2"); 113e705c121SKalle Valo module_param_named(tfd_q_hang_detect, iwlmvm_mod_params.tfd_q_hang_detect, 1142ef00c53SJoe Perches bool, 0444); 115e705c121SKalle Valo MODULE_PARM_DESC(tfd_q_hang_detect, 116e705c121SKalle Valo "TFD queues hang detection (default: true"); 117e705c121SKalle Valo 118e705c121SKalle Valo /* 119e705c121SKalle Valo * module init and exit functions 120e705c121SKalle Valo */ 121e705c121SKalle Valo static int __init iwl_mvm_init(void) 122e705c121SKalle Valo { 123e705c121SKalle Valo int ret; 124e705c121SKalle Valo 125e705c121SKalle Valo ret = iwl_mvm_rate_control_register(); 126e705c121SKalle Valo if (ret) { 127e705c121SKalle Valo pr_err("Unable to register rate control algorithm: %d\n", ret); 128e705c121SKalle Valo return ret; 129e705c121SKalle Valo } 130e705c121SKalle Valo 131e705c121SKalle Valo ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops); 1329f66a397SGregory Greenman if (ret) 133e705c121SKalle Valo pr_err("Unable to register MVM op_mode: %d\n", ret); 134e705c121SKalle Valo 135e705c121SKalle Valo return ret; 136e705c121SKalle Valo } 137e705c121SKalle Valo module_init(iwl_mvm_init); 138e705c121SKalle Valo 139e705c121SKalle Valo static void __exit iwl_mvm_exit(void) 140e705c121SKalle Valo { 141e705c121SKalle Valo iwl_opmode_deregister("iwlmvm"); 142e705c121SKalle Valo iwl_mvm_rate_control_unregister(); 143e705c121SKalle Valo } 144e705c121SKalle Valo module_exit(iwl_mvm_exit); 145e705c121SKalle Valo 146e705c121SKalle Valo static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) 147e705c121SKalle Valo { 148e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 149e705c121SKalle Valo u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; 150e705c121SKalle Valo u32 reg_val = 0; 151e705c121SKalle Valo u32 phy_config = iwl_mvm_get_phy_config(mvm); 152e705c121SKalle Valo 153e705c121SKalle Valo radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> 154e705c121SKalle Valo FW_PHY_CFG_RADIO_TYPE_POS; 155e705c121SKalle Valo radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> 156e705c121SKalle Valo FW_PHY_CFG_RADIO_STEP_POS; 157e705c121SKalle Valo radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> 158e705c121SKalle Valo FW_PHY_CFG_RADIO_DASH_POS; 159e705c121SKalle Valo 160e705c121SKalle Valo /* SKU control */ 161e705c121SKalle Valo reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) << 162e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_POS_MAC_STEP; 163e705c121SKalle Valo reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) << 164e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_POS_MAC_DASH; 165e705c121SKalle Valo 166e705c121SKalle Valo /* radio configuration */ 167e705c121SKalle Valo reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE; 168e705c121SKalle Valo reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP; 169e705c121SKalle Valo reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; 170e705c121SKalle Valo 171e705c121SKalle Valo WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & 172e705c121SKalle Valo ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); 173e705c121SKalle Valo 174e705c121SKalle Valo /* 1756e584873SSara Sharon * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC 1766e584873SSara Sharon * sampling, and shouldn't be set to any non-zero value. 1776e584873SSara Sharon * The same is supposed to be true of the other HW, but unsetting 1786e584873SSara Sharon * them (such as the 7260) causes automatic tests to fail on seemingly 1796e584873SSara Sharon * unrelated errors. Need to further investigate this, but for now 1806e584873SSara Sharon * we'll separate cases. 181e705c121SKalle Valo */ 1826e584873SSara Sharon if (mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_8000) 183e705c121SKalle Valo reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; 184e705c121SKalle Valo 185e705c121SKalle Valo iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, 186e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH | 187e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP | 188e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | 189e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | 190e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | 191e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | 192e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_BIT_MAC_SI, 193e705c121SKalle Valo reg_val); 194e705c121SKalle Valo 195e705c121SKalle Valo IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, 196e705c121SKalle Valo radio_cfg_step, radio_cfg_dash); 197e705c121SKalle Valo 198e705c121SKalle Valo /* 199e705c121SKalle Valo * W/A : NIC is stuck in a reset state after Early PCIe power off 200e705c121SKalle Valo * (PCIe power is lost before PERST# is asserted), causing ME FW 201e705c121SKalle Valo * to lose ownership and not being able to obtain it back. 202e705c121SKalle Valo */ 203e705c121SKalle Valo if (!mvm->trans->cfg->apmg_not_supported) 204e705c121SKalle Valo iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, 205e705c121SKalle Valo APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, 206e705c121SKalle Valo ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); 207e705c121SKalle Valo } 208e705c121SKalle Valo 209c9cb14a6SChaya Rachel Ivgi /** 210c9cb14a6SChaya Rachel Ivgi * enum iwl_rx_handler_context context for Rx handler 211c9cb14a6SChaya Rachel Ivgi * @RX_HANDLER_SYNC : this means that it will be called in the Rx path 212c9cb14a6SChaya Rachel Ivgi * which can't acquire mvm->mutex. 213c9cb14a6SChaya Rachel Ivgi * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex 214c9cb14a6SChaya Rachel Ivgi * (and only in this case!), it should be set as ASYNC. In that case, 215c9cb14a6SChaya Rachel Ivgi * it will be called from a worker with mvm->mutex held. 216c9cb14a6SChaya Rachel Ivgi * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the 217c9cb14a6SChaya Rachel Ivgi * mutex itself, it will be called from a worker without mvm->mutex held. 218c9cb14a6SChaya Rachel Ivgi */ 219c9cb14a6SChaya Rachel Ivgi enum iwl_rx_handler_context { 220c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC, 221c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED, 222c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_UNLOCKED, 223c9cb14a6SChaya Rachel Ivgi }; 224c9cb14a6SChaya Rachel Ivgi 225c9cb14a6SChaya Rachel Ivgi /** 226c9cb14a6SChaya Rachel Ivgi * struct iwl_rx_handlers handler for FW notification 227c9cb14a6SChaya Rachel Ivgi * @cmd_id: command id 228c9cb14a6SChaya Rachel Ivgi * @context: see &iwl_rx_handler_context 229c9cb14a6SChaya Rachel Ivgi * @fn: the function is called when notification is received 230c9cb14a6SChaya Rachel Ivgi */ 231e705c121SKalle Valo struct iwl_rx_handlers { 232e705c121SKalle Valo u16 cmd_id; 233c9cb14a6SChaya Rachel Ivgi enum iwl_rx_handler_context context; 234e705c121SKalle Valo void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 235e705c121SKalle Valo }; 236e705c121SKalle Valo 237c9cb14a6SChaya Rachel Ivgi #define RX_HANDLER(_cmd_id, _fn, _context) \ 238c9cb14a6SChaya Rachel Ivgi { .cmd_id = _cmd_id, .fn = _fn, .context = _context } 239c9cb14a6SChaya Rachel Ivgi #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context) \ 240c9cb14a6SChaya Rachel Ivgi { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context } 241e705c121SKalle Valo 242e705c121SKalle Valo /* 243e705c121SKalle Valo * Handlers for fw notifications 244e705c121SKalle Valo * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME 245e705c121SKalle Valo * This list should be in order of frequency for performance purposes. 246e705c121SKalle Valo * 247c9cb14a6SChaya Rachel Ivgi * The handler can be one from three contexts, see &iwl_rx_handler_context 248e705c121SKalle Valo */ 249e705c121SKalle Valo static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { 250c9cb14a6SChaya Rachel Ivgi RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC), 251c9cb14a6SChaya Rachel Ivgi RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC), 252e705c121SKalle Valo 25384226ca1SGregory Greenman RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF, 25484226ca1SGregory Greenman iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC), 25584226ca1SGregory Greenman 256c9cb14a6SChaya Rachel Ivgi RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, 257c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 258c9cb14a6SChaya Rachel Ivgi RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, 259c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 260c9cb14a6SChaya Rachel Ivgi RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, 261c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 262e705c121SKalle Valo 2633af512d6SSara Sharon RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, 264c9cb14a6SChaya Rachel Ivgi iwl_mvm_window_status_notif, RX_HANDLER_SYNC), 2653af512d6SSara Sharon 266c9cb14a6SChaya Rachel Ivgi RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, 267c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC), 268c9cb14a6SChaya Rachel Ivgi RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, 269c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 270e705c121SKalle Valo 271c9cb14a6SChaya Rachel Ivgi RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC), 272e705c121SKalle Valo 273e705c121SKalle Valo RX_HANDLER(SCAN_ITERATION_COMPLETE, 274c9cb14a6SChaya Rachel Ivgi iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC), 275e705c121SKalle Valo RX_HANDLER(SCAN_OFFLOAD_COMPLETE, 276c9cb14a6SChaya Rachel Ivgi iwl_mvm_rx_lmac_scan_complete_notif, 277c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 278e705c121SKalle Valo RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found, 279c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC), 280e705c121SKalle Valo RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, 281c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 282e705c121SKalle Valo RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, 283c9cb14a6SChaya Rachel Ivgi iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC), 284e705c121SKalle Valo 285c9cb14a6SChaya Rachel Ivgi RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, 286c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC), 287e705c121SKalle Valo 288e705c121SKalle Valo RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, 289c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC), 290e705c121SKalle Valo 291c9cb14a6SChaya Rachel Ivgi RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC), 292e705c121SKalle Valo RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, 293c9cb14a6SChaya Rachel Ivgi iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC), 294c9cb14a6SChaya Rachel Ivgi RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, 295c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 296e705c121SKalle Valo RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, 297ec77a33eSChaya Rachel Ivgi iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), 2980a3b7119SChaya Rachel Ivgi RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, 299c9cb14a6SChaya Rachel Ivgi iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC), 300e705c121SKalle Valo 301e705c121SKalle Valo RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, 302c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 303c9cb14a6SChaya Rachel Ivgi RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, 304c9cb14a6SChaya Rachel Ivgi RX_HANDLER_SYNC), 305c9cb14a6SChaya Rachel Ivgi RX_HANDLER(TOF_NOTIFICATION, iwl_mvm_tof_resp_handler, 306c9cb14a6SChaya Rachel Ivgi RX_HANDLER_ASYNC_LOCKED), 307bdccdb85SGolan Ben-Ami RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, 308bdccdb85SGolan Ben-Ami iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC), 3090db056d3SSara Sharon RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, 310c9cb14a6SChaya Rachel Ivgi iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC), 311f92659a1SSara Sharon RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, 312c9cb14a6SChaya Rachel Ivgi iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC), 31365e25482SJohannes Berg RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF, 31465e25482SJohannes Berg iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC), 315e705c121SKalle Valo }; 316e705c121SKalle Valo #undef RX_HANDLER 317e705c121SKalle Valo #undef RX_HANDLER_GRP 318e705c121SKalle Valo 31939bdb17eSSharon Dvir /* Please keep this array *SORTED* by hex value. 32039bdb17eSSharon Dvir * Access is done through binary search 32139bdb17eSSharon Dvir */ 32239bdb17eSSharon Dvir static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { 32339bdb17eSSharon Dvir HCMD_NAME(MVM_ALIVE), 32439bdb17eSSharon Dvir HCMD_NAME(REPLY_ERROR), 32539bdb17eSSharon Dvir HCMD_NAME(ECHO_CMD), 32639bdb17eSSharon Dvir HCMD_NAME(INIT_COMPLETE_NOTIF), 32739bdb17eSSharon Dvir HCMD_NAME(PHY_CONTEXT_CMD), 32839bdb17eSSharon Dvir HCMD_NAME(DBG_CFG), 32939bdb17eSSharon Dvir HCMD_NAME(SCAN_CFG_CMD), 33039bdb17eSSharon Dvir HCMD_NAME(SCAN_REQ_UMAC), 33139bdb17eSSharon Dvir HCMD_NAME(SCAN_ABORT_UMAC), 33239bdb17eSSharon Dvir HCMD_NAME(SCAN_COMPLETE_UMAC), 33339bdb17eSSharon Dvir HCMD_NAME(TOF_CMD), 33439bdb17eSSharon Dvir HCMD_NAME(TOF_NOTIFICATION), 3353af512d6SSara Sharon HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID), 33639bdb17eSSharon Dvir HCMD_NAME(ADD_STA_KEY), 33739bdb17eSSharon Dvir HCMD_NAME(ADD_STA), 33839bdb17eSSharon Dvir HCMD_NAME(REMOVE_STA), 33939bdb17eSSharon Dvir HCMD_NAME(FW_GET_ITEM_CMD), 34039bdb17eSSharon Dvir HCMD_NAME(TX_CMD), 34139bdb17eSSharon Dvir HCMD_NAME(SCD_QUEUE_CFG), 34239bdb17eSSharon Dvir HCMD_NAME(TXPATH_FLUSH), 34339bdb17eSSharon Dvir HCMD_NAME(MGMT_MCAST_KEY), 34439bdb17eSSharon Dvir HCMD_NAME(WEP_KEY), 34539bdb17eSSharon Dvir HCMD_NAME(SHARED_MEM_CFG), 34639bdb17eSSharon Dvir HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD), 34739bdb17eSSharon Dvir HCMD_NAME(MAC_CONTEXT_CMD), 34839bdb17eSSharon Dvir HCMD_NAME(TIME_EVENT_CMD), 34939bdb17eSSharon Dvir HCMD_NAME(TIME_EVENT_NOTIFICATION), 35039bdb17eSSharon Dvir HCMD_NAME(BINDING_CONTEXT_CMD), 35139bdb17eSSharon Dvir HCMD_NAME(TIME_QUOTA_CMD), 35239bdb17eSSharon Dvir HCMD_NAME(NON_QOS_TX_COUNTER_CMD), 3537089ae63SJohannes Berg HCMD_NAME(LEDS_CMD), 35439bdb17eSSharon Dvir HCMD_NAME(LQ_CMD), 35539bdb17eSSharon Dvir HCMD_NAME(FW_PAGING_BLOCK_CMD), 35639bdb17eSSharon Dvir HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD), 35739bdb17eSSharon Dvir HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD), 35839bdb17eSSharon Dvir HCMD_NAME(HOT_SPOT_CMD), 35939bdb17eSSharon Dvir HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD), 36039bdb17eSSharon Dvir HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP), 36139bdb17eSSharon Dvir HCMD_NAME(BT_COEX_CI), 36239bdb17eSSharon Dvir HCMD_NAME(PHY_CONFIGURATION_CMD), 36339bdb17eSSharon Dvir HCMD_NAME(CALIB_RES_NOTIF_PHY_DB), 364176aa60bSSara Sharon HCMD_NAME(PHY_DB_CMD), 36539bdb17eSSharon Dvir HCMD_NAME(SCAN_OFFLOAD_COMPLETE), 36639bdb17eSSharon Dvir HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), 36739bdb17eSSharon Dvir HCMD_NAME(POWER_TABLE_CMD), 36839bdb17eSSharon Dvir HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), 36939bdb17eSSharon Dvir HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF), 37039bdb17eSSharon Dvir HCMD_NAME(DC2DC_CONFIG_CMD), 37139bdb17eSSharon Dvir HCMD_NAME(NVM_ACCESS_CMD), 37239bdb17eSSharon Dvir HCMD_NAME(BEACON_NOTIFICATION), 37339bdb17eSSharon Dvir HCMD_NAME(BEACON_TEMPLATE_CMD), 37439bdb17eSSharon Dvir HCMD_NAME(TX_ANT_CONFIGURATION_CMD), 37539bdb17eSSharon Dvir HCMD_NAME(BT_CONFIG), 37639bdb17eSSharon Dvir HCMD_NAME(STATISTICS_CMD), 37739bdb17eSSharon Dvir HCMD_NAME(STATISTICS_NOTIFICATION), 37839bdb17eSSharon Dvir HCMD_NAME(EOSP_NOTIFICATION), 37939bdb17eSSharon Dvir HCMD_NAME(REDUCE_TX_POWER_CMD), 38039bdb17eSSharon Dvir HCMD_NAME(CARD_STATE_NOTIFICATION), 38139bdb17eSSharon Dvir HCMD_NAME(MISSED_BEACONS_NOTIFICATION), 38239bdb17eSSharon Dvir HCMD_NAME(TDLS_CONFIG_CMD), 38339bdb17eSSharon Dvir HCMD_NAME(MAC_PM_POWER_TABLE), 38439bdb17eSSharon Dvir HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION), 38539bdb17eSSharon Dvir HCMD_NAME(MFUART_LOAD_NOTIFICATION), 38643413a97SSara Sharon HCMD_NAME(RSS_CONFIG_CMD), 38739bdb17eSSharon Dvir HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), 38839bdb17eSSharon Dvir HCMD_NAME(REPLY_RX_PHY_CMD), 38939bdb17eSSharon Dvir HCMD_NAME(REPLY_RX_MPDU_CMD), 3903e73aa3bSEmmanuel Grumbach HCMD_NAME(FRAME_RELEASE), 39139bdb17eSSharon Dvir HCMD_NAME(BA_NOTIF), 39239bdb17eSSharon Dvir HCMD_NAME(MCC_UPDATE_CMD), 39339bdb17eSSharon Dvir HCMD_NAME(MCC_CHUB_UPDATE_CMD), 39439bdb17eSSharon Dvir HCMD_NAME(MARKER_CMD), 39539bdb17eSSharon Dvir HCMD_NAME(BT_PROFILE_NOTIFICATION), 39639bdb17eSSharon Dvir HCMD_NAME(BCAST_FILTER_CMD), 39739bdb17eSSharon Dvir HCMD_NAME(MCAST_FILTER_CMD), 39839bdb17eSSharon Dvir HCMD_NAME(REPLY_SF_CFG_CMD), 39939bdb17eSSharon Dvir HCMD_NAME(REPLY_BEACON_FILTERING_CMD), 40039bdb17eSSharon Dvir HCMD_NAME(D3_CONFIG_CMD), 40139bdb17eSSharon Dvir HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD), 40239bdb17eSSharon Dvir HCMD_NAME(OFFLOADS_QUERY_CMD), 40339bdb17eSSharon Dvir HCMD_NAME(REMOTE_WAKE_CONFIG_CMD), 40439bdb17eSSharon Dvir HCMD_NAME(MATCH_FOUND_NOTIFICATION), 40539bdb17eSSharon Dvir HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION), 40639bdb17eSSharon Dvir HCMD_NAME(WOWLAN_PATTERNS), 40739bdb17eSSharon Dvir HCMD_NAME(WOWLAN_CONFIGURATION), 40839bdb17eSSharon Dvir HCMD_NAME(WOWLAN_TSC_RSC_PARAM), 40939bdb17eSSharon Dvir HCMD_NAME(WOWLAN_TKIP_PARAM), 41039bdb17eSSharon Dvir HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL), 41139bdb17eSSharon Dvir HCMD_NAME(WOWLAN_GET_STATUSES), 41239bdb17eSSharon Dvir HCMD_NAME(SCAN_ITERATION_COMPLETE), 41339bdb17eSSharon Dvir HCMD_NAME(D0I3_END_CMD), 41439bdb17eSSharon Dvir HCMD_NAME(LTR_CONFIG), 415e705c121SKalle Valo }; 41639bdb17eSSharon Dvir 41739bdb17eSSharon Dvir /* Please keep this array *SORTED* by hex value. 41839bdb17eSSharon Dvir * Access is done through binary search 41939bdb17eSSharon Dvir */ 4205b086414SGolan Ben-Ami static const struct iwl_hcmd_names iwl_mvm_system_names[] = { 4215b086414SGolan Ben-Ami HCMD_NAME(SHARED_MEM_CFG_CMD), 4224399caaaSSara Sharon HCMD_NAME(INIT_EXTENDED_CFG_CMD), 4235b086414SGolan Ben-Ami }; 4245b086414SGolan Ben-Ami 4255b086414SGolan Ben-Ami /* Please keep this array *SORTED* by hex value. 4265b086414SGolan Ben-Ami * Access is done through binary search 4275b086414SGolan Ben-Ami */ 42803098268SAviya Erenfeld static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { 429d3a108a4SAndrei Otcheretianski HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF), 43003098268SAviya Erenfeld }; 43103098268SAviya Erenfeld 43203098268SAviya Erenfeld /* Please keep this array *SORTED* by hex value. 43303098268SAviya Erenfeld * Access is done through binary search 43403098268SAviya Erenfeld */ 43539bdb17eSSharon Dvir static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { 43639bdb17eSSharon Dvir HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE), 4375c89e7bcSChaya Rachel Ivgi HCMD_NAME(CTDP_CONFIG_CMD), 438c221daf2SChaya Rachel Ivgi HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD), 439a6bff3cbSHaim Dreyfuss HCMD_NAME(GEO_TX_POWER_LIMIT), 4400a3b7119SChaya Rachel Ivgi HCMD_NAME(CT_KILL_NOTIFICATION), 44139bdb17eSSharon Dvir HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), 44239bdb17eSSharon Dvir }; 44339bdb17eSSharon Dvir 4440db056d3SSara Sharon /* Please keep this array *SORTED* by hex value. 4450db056d3SSara Sharon * Access is done through binary search 4460db056d3SSara Sharon */ 447e0d8fdecSSara Sharon static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { 448ddef2f98SEmmanuel Grumbach HCMD_NAME(DQA_ENABLE_CMD), 449e0d8fdecSSara Sharon HCMD_NAME(UPDATE_MU_GROUPS_CMD), 45094bb4481SSara Sharon HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), 451514c3069SLuca Coelho HCMD_NAME(STA_HE_CTXT_CMD), 45265e25482SJohannes Berg HCMD_NAME(STA_PM_NOTIF), 453f92659a1SSara Sharon HCMD_NAME(MU_GROUP_MGMT_NOTIF), 45494bb4481SSara Sharon HCMD_NAME(RX_QUEUES_NOTIFICATION), 455e0d8fdecSSara Sharon }; 456e0d8fdecSSara Sharon 457e0d8fdecSSara Sharon /* Please keep this array *SORTED* by hex value. 458e0d8fdecSSara Sharon * Access is done through binary search 459e0d8fdecSSara Sharon */ 460bdccdb85SGolan Ben-Ami static const struct iwl_hcmd_names iwl_mvm_debug_names[] = { 461bdccdb85SGolan Ben-Ami HCMD_NAME(MFU_ASSERT_DUMP_NTF), 462bdccdb85SGolan Ben-Ami }; 463bdccdb85SGolan Ben-Ami 464bdccdb85SGolan Ben-Ami /* Please keep this array *SORTED* by hex value. 465bdccdb85SGolan Ben-Ami * Access is done through binary search 466bdccdb85SGolan Ben-Ami */ 4670db056d3SSara Sharon static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = { 4680db056d3SSara Sharon HCMD_NAME(STORED_BEACON_NTF), 4690db056d3SSara Sharon }; 4700db056d3SSara Sharon 4711f370650SSara Sharon /* Please keep this array *SORTED* by hex value. 4721f370650SSara Sharon * Access is done through binary search 4731f370650SSara Sharon */ 4741f370650SSara Sharon static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = { 4751f370650SSara Sharon HCMD_NAME(NVM_ACCESS_COMPLETE), 476e9e1ba3dSSara Sharon HCMD_NAME(NVM_GET_INFO), 4771f370650SSara Sharon }; 4781f370650SSara Sharon 47939bdb17eSSharon Dvir static const struct iwl_hcmd_arr iwl_mvm_groups[] = { 48039bdb17eSSharon Dvir [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 48139bdb17eSSharon Dvir [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 4825b086414SGolan Ben-Ami [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names), 48303098268SAviya Erenfeld [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names), 48439bdb17eSSharon Dvir [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), 485e0d8fdecSSara Sharon [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names), 4860db056d3SSara Sharon [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), 4871f370650SSara Sharon [REGULATORY_AND_NVM_GROUP] = 4881f370650SSara Sharon HCMD_ARR(iwl_mvm_regulatory_and_nvm_names), 48939bdb17eSSharon Dvir }; 49039bdb17eSSharon Dvir 491e705c121SKalle Valo /* this forward declaration can avoid to export the function */ 492e705c121SKalle Valo static void iwl_mvm_async_handlers_wk(struct work_struct *wk); 493e705c121SKalle Valo static void iwl_mvm_d0i3_exit_work(struct work_struct *wk); 494e705c121SKalle Valo 495f2abcfa6SLuca Coelho static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm) 496e705c121SKalle Valo { 497f2abcfa6SLuca Coelho const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs; 498f2abcfa6SLuca Coelho u64 dflt_pwr_limit; 499e705c121SKalle Valo 500f2abcfa6SLuca Coelho if (!backoff) 501e705c121SKalle Valo return 0; 502e705c121SKalle Valo 503f2abcfa6SLuca Coelho dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev); 504e705c121SKalle Valo 505f2abcfa6SLuca Coelho while (backoff->pwr) { 506f2abcfa6SLuca Coelho if (dflt_pwr_limit >= backoff->pwr) 507f2abcfa6SLuca Coelho return backoff->backoff; 508f2abcfa6SLuca Coelho 509f2abcfa6SLuca Coelho backoff++; 510e705c121SKalle Valo } 511e705c121SKalle Valo 512e705c121SKalle Valo return 0; 513e705c121SKalle Valo } 514e705c121SKalle Valo 515d3a108a4SAndrei Otcheretianski static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) 516d3a108a4SAndrei Otcheretianski { 517d3a108a4SAndrei Otcheretianski struct iwl_mvm *mvm = 518d3a108a4SAndrei Otcheretianski container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); 519d3a108a4SAndrei Otcheretianski struct ieee80211_vif *tx_blocked_vif; 520d3a108a4SAndrei Otcheretianski struct iwl_mvm_vif *mvmvif; 521d3a108a4SAndrei Otcheretianski 522d3a108a4SAndrei Otcheretianski mutex_lock(&mvm->mutex); 523d3a108a4SAndrei Otcheretianski 524d3a108a4SAndrei Otcheretianski tx_blocked_vif = 525d3a108a4SAndrei Otcheretianski rcu_dereference_protected(mvm->csa_tx_blocked_vif, 526d3a108a4SAndrei Otcheretianski lockdep_is_held(&mvm->mutex)); 527d3a108a4SAndrei Otcheretianski 528d3a108a4SAndrei Otcheretianski if (!tx_blocked_vif) 529d3a108a4SAndrei Otcheretianski goto unlock; 530d3a108a4SAndrei Otcheretianski 531d3a108a4SAndrei Otcheretianski mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); 532d3a108a4SAndrei Otcheretianski iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); 533d3a108a4SAndrei Otcheretianski RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 534d3a108a4SAndrei Otcheretianski unlock: 535d3a108a4SAndrei Otcheretianski mutex_unlock(&mvm->mutex); 536d3a108a4SAndrei Otcheretianski } 537d3a108a4SAndrei Otcheretianski 5387174beb6SJohannes Berg static int iwl_mvm_fwrt_dump_start(void *ctx) 5397174beb6SJohannes Berg { 5407174beb6SJohannes Berg struct iwl_mvm *mvm = ctx; 5417174beb6SJohannes Berg int ret; 5427174beb6SJohannes Berg 5437174beb6SJohannes Berg ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_FW_DBG_COLLECT); 5447174beb6SJohannes Berg if (ret) 5457174beb6SJohannes Berg return ret; 5467174beb6SJohannes Berg 5477174beb6SJohannes Berg mutex_lock(&mvm->mutex); 5487174beb6SJohannes Berg 5497174beb6SJohannes Berg return 0; 5507174beb6SJohannes Berg } 5517174beb6SJohannes Berg 5527174beb6SJohannes Berg static void iwl_mvm_fwrt_dump_end(void *ctx) 5537174beb6SJohannes Berg { 5547174beb6SJohannes Berg struct iwl_mvm *mvm = ctx; 5557174beb6SJohannes Berg 5567174beb6SJohannes Berg mutex_unlock(&mvm->mutex); 5577174beb6SJohannes Berg 5587174beb6SJohannes Berg iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT); 5597174beb6SJohannes Berg } 5607174beb6SJohannes Berg 5618745f12aSShaul Triebitz static bool iwl_mvm_fwrt_fw_running(void *ctx) 5628745f12aSShaul Triebitz { 5638745f12aSShaul Triebitz return iwl_mvm_firmware_running(ctx); 5648745f12aSShaul Triebitz } 5658745f12aSShaul Triebitz 5667174beb6SJohannes Berg static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { 5677174beb6SJohannes Berg .dump_start = iwl_mvm_fwrt_dump_start, 5687174beb6SJohannes Berg .dump_end = iwl_mvm_fwrt_dump_end, 5698745f12aSShaul Triebitz .fw_running = iwl_mvm_fwrt_fw_running, 5707174beb6SJohannes Berg }; 5717174beb6SJohannes Berg 572e705c121SKalle Valo static struct iwl_op_mode * 573e705c121SKalle Valo iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, 574e705c121SKalle Valo const struct iwl_fw *fw, struct dentry *dbgfs_dir) 575e705c121SKalle Valo { 576e705c121SKalle Valo struct ieee80211_hw *hw; 577e705c121SKalle Valo struct iwl_op_mode *op_mode; 578e705c121SKalle Valo struct iwl_mvm *mvm; 579e705c121SKalle Valo struct iwl_trans_config trans_cfg = {}; 580e705c121SKalle Valo static const u8 no_reclaim_cmds[] = { 581e705c121SKalle Valo TX_CMD, 582e705c121SKalle Valo }; 583e705c121SKalle Valo int err, scan_size; 584e705c121SKalle Valo u32 min_backoff; 585e705c121SKalle Valo 586e705c121SKalle Valo /* 587e705c121SKalle Valo * We use IWL_MVM_STATION_COUNT to check the validity of the station 588e705c121SKalle Valo * index all over the driver - check that its value corresponds to the 589e705c121SKalle Valo * array size. 590e705c121SKalle Valo */ 591e705c121SKalle Valo BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT); 592e705c121SKalle Valo 593e705c121SKalle Valo /******************************** 594e705c121SKalle Valo * 1. Allocating and configuring HW data 595e705c121SKalle Valo ********************************/ 596e705c121SKalle Valo hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + 597e705c121SKalle Valo sizeof(struct iwl_mvm), 598e705c121SKalle Valo &iwl_mvm_hw_ops); 599e705c121SKalle Valo if (!hw) 600e705c121SKalle Valo return NULL; 601e705c121SKalle Valo 602e705c121SKalle Valo if (cfg->max_rx_agg_size) 603e705c121SKalle Valo hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size; 604e705c121SKalle Valo 605e705c121SKalle Valo if (cfg->max_tx_agg_size) 606e705c121SKalle Valo hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; 607e705c121SKalle Valo 608e705c121SKalle Valo op_mode = hw->priv; 609e705c121SKalle Valo 610e705c121SKalle Valo mvm = IWL_OP_MODE_GET_MVM(op_mode); 611e705c121SKalle Valo mvm->dev = trans->dev; 612e705c121SKalle Valo mvm->trans = trans; 613e705c121SKalle Valo mvm->cfg = cfg; 614e705c121SKalle Valo mvm->fw = fw; 615e705c121SKalle Valo mvm->hw = hw; 616e705c121SKalle Valo 61793b167c1SMordechay Goodstein iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm, 61893b167c1SMordechay Goodstein dbgfs_dir); 619235acb18SJohannes Berg 620de8ba41bSLiad Kaufman mvm->init_status = 0; 621de8ba41bSLiad Kaufman 622e705c121SKalle Valo if (iwl_mvm_has_new_rx_api(mvm)) { 623e705c121SKalle Valo op_mode->ops = &iwl_mvm_ops_mq; 62425c2b22cSSara Sharon trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_desc); 625e705c121SKalle Valo } else { 626e705c121SKalle Valo op_mode->ops = &iwl_mvm_ops; 62725c2b22cSSara Sharon trans->rx_mpdu_cmd_hdr_size = 62825c2b22cSSara Sharon sizeof(struct iwl_rx_mpdu_res_start); 629e705c121SKalle Valo 630e705c121SKalle Valo if (WARN_ON(trans->num_rx_queues > 1)) 631e705c121SKalle Valo goto out_free; 632e705c121SKalle Valo } 633e705c121SKalle Valo 6343b37f4c9SJohannes Berg mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0; 635e705c121SKalle Valo 63628d0793eSLiad Kaufman mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE; 637b13f43a4SEmmanuel Grumbach mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE; 63849f71713SSara Sharon mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; 63949f71713SSara Sharon mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE; 640c8f54701SJohannes Berg 641e705c121SKalle Valo mvm->sf_state = SF_UNINIT; 6427d6222e2SJohannes Berg if (iwl_mvm_has_unified_ucode(mvm)) 643702e975dSJohannes Berg iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR); 6441f370650SSara Sharon else 645702e975dSJohannes Berg iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT); 646c89e333dSAndrei Otcheretianski mvm->drop_bcn_ap_mode = true; 647e705c121SKalle Valo 648e705c121SKalle Valo mutex_init(&mvm->mutex); 649e705c121SKalle Valo mutex_init(&mvm->d0i3_suspend_mutex); 650e705c121SKalle Valo spin_lock_init(&mvm->async_handlers_lock); 651e705c121SKalle Valo INIT_LIST_HEAD(&mvm->time_event_list); 652e705c121SKalle Valo INIT_LIST_HEAD(&mvm->aux_roc_te_list); 653e705c121SKalle Valo INIT_LIST_HEAD(&mvm->async_handlers_list); 654e705c121SKalle Valo spin_lock_init(&mvm->time_event_lock); 655e705c121SKalle Valo spin_lock_init(&mvm->queue_info_lock); 656e705c121SKalle Valo 657e705c121SKalle Valo INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); 658e705c121SKalle Valo INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); 659e705c121SKalle Valo INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work); 660e705c121SKalle Valo INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); 66169e04642SLuca Coelho INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); 66224afba76SLiad Kaufman INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); 663e705c121SKalle Valo 664e705c121SKalle Valo spin_lock_init(&mvm->d0i3_tx_lock); 665e705c121SKalle Valo spin_lock_init(&mvm->refs_lock); 666e705c121SKalle Valo skb_queue_head_init(&mvm->d0i3_tx); 667e705c121SKalle Valo init_waitqueue_head(&mvm->d0i3_exit_waitq); 6683a732c65SSara Sharon init_waitqueue_head(&mvm->rx_sync_waitq); 669e705c121SKalle Valo 6700636b938SSara Sharon atomic_set(&mvm->queue_sync_counter, 0); 6710636b938SSara Sharon 672e705c121SKalle Valo SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); 673e705c121SKalle Valo 6747d9d0d56SLuca Coelho spin_lock_init(&mvm->tcm.lock); 6757d9d0d56SLuca Coelho INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work); 6767d9d0d56SLuca Coelho mvm->tcm.ts = jiffies; 6777d9d0d56SLuca Coelho mvm->tcm.ll_ts = jiffies; 6787d9d0d56SLuca Coelho mvm->tcm.uapsd_nonagg_ts = jiffies; 6797d9d0d56SLuca Coelho 680d3a108a4SAndrei Otcheretianski INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); 681d3a108a4SAndrei Otcheretianski 682e705c121SKalle Valo /* 683e705c121SKalle Valo * Populate the state variables that the transport layer needs 684e705c121SKalle Valo * to know about. 685e705c121SKalle Valo */ 686e705c121SKalle Valo trans_cfg.op_mode = op_mode; 687e705c121SKalle Valo trans_cfg.no_reclaim_cmds = no_reclaim_cmds; 688e705c121SKalle Valo trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); 6896c4fbcbcSEmmanuel Grumbach switch (iwlwifi_mod_params.amsdu_size) { 6904bdd4dfeSEmmanuel Grumbach case IWL_AMSDU_DEF: 6916c4fbcbcSEmmanuel Grumbach case IWL_AMSDU_4K: 6926c4fbcbcSEmmanuel Grumbach trans_cfg.rx_buf_size = IWL_AMSDU_4K; 6936c4fbcbcSEmmanuel Grumbach break; 6946c4fbcbcSEmmanuel Grumbach case IWL_AMSDU_8K: 6956c4fbcbcSEmmanuel Grumbach trans_cfg.rx_buf_size = IWL_AMSDU_8K; 6966c4fbcbcSEmmanuel Grumbach break; 6976c4fbcbcSEmmanuel Grumbach case IWL_AMSDU_12K: 6986c4fbcbcSEmmanuel Grumbach trans_cfg.rx_buf_size = IWL_AMSDU_12K; 6996c4fbcbcSEmmanuel Grumbach break; 7006c4fbcbcSEmmanuel Grumbach default: 7016c4fbcbcSEmmanuel Grumbach pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME, 7026c4fbcbcSEmmanuel Grumbach iwlwifi_mod_params.amsdu_size); 7036c4fbcbcSEmmanuel Grumbach trans_cfg.rx_buf_size = IWL_AMSDU_4K; 7046c4fbcbcSEmmanuel Grumbach } 7054bdd4dfeSEmmanuel Grumbach 7064bdd4dfeSEmmanuel Grumbach /* the hardware splits the A-MSDU */ 7074bdd4dfeSEmmanuel Grumbach if (mvm->cfg->mq_rx_supported) 7084bdd4dfeSEmmanuel Grumbach trans_cfg.rx_buf_size = IWL_AMSDU_4K; 709e705c121SKalle Valo 7104b87e5afSLuca Coelho trans->wide_cmd_header = true; 7112a182fbbSGolan Ben Ami trans_cfg.bc_table_dword = 7122a182fbbSGolan Ben Ami mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_22560; 713e705c121SKalle Valo 71439bdb17eSSharon Dvir trans_cfg.command_groups = iwl_mvm_groups; 71539bdb17eSSharon Dvir trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); 716e705c121SKalle Valo 717097129c9SLiad Kaufman trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE; 718e705c121SKalle Valo trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; 719e705c121SKalle Valo trans_cfg.scd_set_active = true; 720e705c121SKalle Valo 72121cb3222SJohannes Berg trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info, 72221cb3222SJohannes Berg driver_data[2]); 72321cb3222SJohannes Berg 72441837ca9SEmmanuel Grumbach trans_cfg.sw_csum_tx = IWL_MVM_SW_TX_CSUM_OFFLOAD; 725e705c121SKalle Valo 726e705c121SKalle Valo /* Set a short watchdog for the command queue */ 727e705c121SKalle Valo trans_cfg.cmd_q_wdg_timeout = 728e705c121SKalle Valo iwl_mvm_get_wd_timeout(mvm, NULL, false, true); 729e705c121SKalle Valo 730e705c121SKalle Valo snprintf(mvm->hw->wiphy->fw_version, 731e705c121SKalle Valo sizeof(mvm->hw->wiphy->fw_version), 732e705c121SKalle Valo "%s", fw->fw_version); 733e705c121SKalle Valo 734e705c121SKalle Valo /* Configure transport layer */ 735e705c121SKalle Valo iwl_trans_configure(mvm->trans, &trans_cfg); 736e705c121SKalle Valo 737e705c121SKalle Valo trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; 738e705c121SKalle Valo trans->dbg_dest_tlv = mvm->fw->dbg_dest_tlv; 739e705c121SKalle Valo trans->dbg_dest_reg_num = mvm->fw->dbg_dest_reg_num; 740e705c121SKalle Valo memcpy(trans->dbg_conf_tlv, mvm->fw->dbg_conf_tlv, 741e705c121SKalle Valo sizeof(trans->dbg_conf_tlv)); 742e705c121SKalle Valo trans->dbg_trigger_tlv = mvm->fw->dbg_trigger_tlv; 743e705c121SKalle Valo 744132db31cSGolan Ben-Ami trans->iml = mvm->fw->iml; 745132db31cSGolan Ben-Ami trans->iml_len = mvm->fw->iml_len; 746132db31cSGolan Ben-Ami 747e705c121SKalle Valo /* set up notification wait support */ 748e705c121SKalle Valo iwl_notification_wait_init(&mvm->notif_wait); 749e705c121SKalle Valo 750e705c121SKalle Valo /* Init phy db */ 751e705c121SKalle Valo mvm->phy_db = iwl_phy_db_init(trans); 752e705c121SKalle Valo if (!mvm->phy_db) { 753e705c121SKalle Valo IWL_ERR(mvm, "Cannot init phy_db\n"); 754e705c121SKalle Valo goto out_free; 755e705c121SKalle Valo } 756e705c121SKalle Valo 757e705c121SKalle Valo IWL_INFO(mvm, "Detected %s, REV=0x%X\n", 758e705c121SKalle Valo mvm->cfg->name, mvm->trans->hw_rev); 759e705c121SKalle Valo 760e705c121SKalle Valo if (iwlwifi_mod_params.nvm_file) 761e705c121SKalle Valo mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; 762e705c121SKalle Valo else 763e705c121SKalle Valo IWL_DEBUG_EEPROM(mvm->trans->dev, 764e705c121SKalle Valo "working without external nvm file\n"); 765e705c121SKalle Valo 766e705c121SKalle Valo err = iwl_trans_start_hw(mvm->trans); 767e705c121SKalle Valo if (err) 768e705c121SKalle Valo goto out_free; 769e705c121SKalle Valo 770e705c121SKalle Valo mutex_lock(&mvm->mutex); 77108f0d23dSEliad Peller iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE); 772e705c121SKalle Valo err = iwl_run_init_mvm_ucode(mvm, true); 773f4744258SLiad Kaufman if (!iwlmvm_mod_params.init_dbg || !err) 774fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 77508f0d23dSEliad Peller iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE); 776e705c121SKalle Valo mutex_unlock(&mvm->mutex); 777de8ba41bSLiad Kaufman if (err < 0) { 778e705c121SKalle Valo IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err); 779e705c121SKalle Valo goto out_free; 780e705c121SKalle Valo } 781e705c121SKalle Valo 782e705c121SKalle Valo scan_size = iwl_mvm_scan_size(mvm); 783e705c121SKalle Valo 784e705c121SKalle Valo mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); 785e705c121SKalle Valo if (!mvm->scan_cmd) 786e705c121SKalle Valo goto out_free; 787e705c121SKalle Valo 788e705c121SKalle Valo /* Set EBS as successful as long as not stated otherwise by the FW. */ 789e705c121SKalle Valo mvm->last_ebs_successful = true; 790e705c121SKalle Valo 791e705c121SKalle Valo err = iwl_mvm_mac_setup_register(mvm); 792e705c121SKalle Valo if (err) 793e705c121SKalle Valo goto out_free; 7941f370650SSara Sharon mvm->hw_registered = true; 795e705c121SKalle Valo 796f2abcfa6SLuca Coelho min_backoff = iwl_mvm_min_backoff(mvm); 79704ddc2aaSChaya Rachel Ivgi iwl_mvm_thermal_initialize(mvm, min_backoff); 79804ddc2aaSChaya Rachel Ivgi 799e705c121SKalle Valo err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir); 800e705c121SKalle Valo if (err) 801e705c121SKalle Valo goto out_unregister; 802e705c121SKalle Valo 803678d9b6dSLiad Kaufman if (!iwl_mvm_has_new_rx_stats_api(mvm)) 804678d9b6dSLiad Kaufman memset(&mvm->rx_stats_v3, 0, 805678d9b6dSLiad Kaufman sizeof(struct mvm_statistics_rx_v3)); 806678d9b6dSLiad Kaufman else 807e705c121SKalle Valo memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); 808e705c121SKalle Valo 80933c85eadSLuca Coelho /* The transport always starts with a taken reference, we can 81033c85eadSLuca Coelho * release it now if d0i3 is supported */ 81133c85eadSLuca Coelho if (iwl_mvm_is_d0i3_supported(mvm)) 812a42b2af3SLuca Coelho iwl_trans_unref(mvm->trans); 813e705c121SKalle Valo 814e705c121SKalle Valo iwl_mvm_tof_init(mvm); 815e705c121SKalle Valo 816e705c121SKalle Valo return op_mode; 817e705c121SKalle Valo 818e705c121SKalle Valo out_unregister: 819de8ba41bSLiad Kaufman if (iwlmvm_mod_params.init_dbg) 820de8ba41bSLiad Kaufman return op_mode; 821de8ba41bSLiad Kaufman 822e705c121SKalle Valo ieee80211_unregister_hw(mvm->hw); 8231f370650SSara Sharon mvm->hw_registered = false; 824e705c121SKalle Valo iwl_mvm_leds_exit(mvm); 825c221daf2SChaya Rachel Ivgi iwl_mvm_thermal_exit(mvm); 826e705c121SKalle Valo out_free: 8277174beb6SJohannes Berg iwl_fw_flush_dump(&mvm->fwrt); 828de8ba41bSLiad Kaufman 829de8ba41bSLiad Kaufman if (iwlmvm_mod_params.init_dbg) 830de8ba41bSLiad Kaufman return op_mode; 831e705c121SKalle Valo iwl_phy_db_free(mvm->phy_db); 832e705c121SKalle Valo kfree(mvm->scan_cmd); 833e705c121SKalle Valo iwl_trans_op_mode_leave(trans); 83456f2929bSSara Sharon 835e705c121SKalle Valo ieee80211_free_hw(mvm->hw); 836e705c121SKalle Valo return NULL; 837e705c121SKalle Valo } 838e705c121SKalle Valo 839e705c121SKalle Valo static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) 840e705c121SKalle Valo { 841e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 842e705c121SKalle Valo int i; 843e705c121SKalle Valo 844e27deb45SLuca Coelho /* If d0i3 is supported, we have released the reference that 845e27deb45SLuca Coelho * the transport started with, so we should take it back now 846e27deb45SLuca Coelho * that we are leaving. 847e27deb45SLuca Coelho */ 848e27deb45SLuca Coelho if (iwl_mvm_is_d0i3_supported(mvm)) 849e27deb45SLuca Coelho iwl_trans_ref(mvm->trans); 850e27deb45SLuca Coelho 851e705c121SKalle Valo iwl_mvm_leds_exit(mvm); 852e705c121SKalle Valo 853c221daf2SChaya Rachel Ivgi iwl_mvm_thermal_exit(mvm); 854e705c121SKalle Valo 855de8ba41bSLiad Kaufman if (mvm->init_status & IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE) { 856e705c121SKalle Valo ieee80211_unregister_hw(mvm->hw); 857de8ba41bSLiad Kaufman mvm->init_status &= ~IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE; 858de8ba41bSLiad Kaufman } 859e705c121SKalle Valo 860e705c121SKalle Valo kfree(mvm->scan_cmd); 861e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 862e705c121SKalle Valo mvm->mcast_filter_cmd = NULL; 863e705c121SKalle Valo 864e705c121SKalle Valo #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS) 865e705c121SKalle Valo kfree(mvm->d3_resume_sram); 866e705c121SKalle Valo #endif 867e705c121SKalle Valo iwl_trans_op_mode_leave(mvm->trans); 868e705c121SKalle Valo 869e705c121SKalle Valo iwl_phy_db_free(mvm->phy_db); 870e705c121SKalle Valo mvm->phy_db = NULL; 871e705c121SKalle Valo 8721dad3e0aSLuca Coelho kfree(mvm->nvm_data); 873e705c121SKalle Valo for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) 874e705c121SKalle Valo kfree(mvm->nvm_sections[i].data); 875e705c121SKalle Valo 8767d9d0d56SLuca Coelho cancel_delayed_work_sync(&mvm->tcm.work); 8777d9d0d56SLuca Coelho 878e705c121SKalle Valo iwl_mvm_tof_clean(mvm); 879e705c121SKalle Valo 880a2a57a35SEmmanuel Grumbach mutex_destroy(&mvm->mutex); 881a2a57a35SEmmanuel Grumbach mutex_destroy(&mvm->d0i3_suspend_mutex); 882a2a57a35SEmmanuel Grumbach 883e705c121SKalle Valo ieee80211_free_hw(mvm->hw); 884e705c121SKalle Valo } 885e705c121SKalle Valo 886e705c121SKalle Valo struct iwl_async_handler_entry { 887e705c121SKalle Valo struct list_head list; 888e705c121SKalle Valo struct iwl_rx_cmd_buffer rxb; 889c9cb14a6SChaya Rachel Ivgi enum iwl_rx_handler_context context; 890e705c121SKalle Valo void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 891e705c121SKalle Valo }; 892e705c121SKalle Valo 893e705c121SKalle Valo void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) 894e705c121SKalle Valo { 895e705c121SKalle Valo struct iwl_async_handler_entry *entry, *tmp; 896e705c121SKalle Valo 897e705c121SKalle Valo spin_lock_bh(&mvm->async_handlers_lock); 898e705c121SKalle Valo list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 899e705c121SKalle Valo iwl_free_rxb(&entry->rxb); 900e705c121SKalle Valo list_del(&entry->list); 901e705c121SKalle Valo kfree(entry); 902e705c121SKalle Valo } 903e705c121SKalle Valo spin_unlock_bh(&mvm->async_handlers_lock); 904e705c121SKalle Valo } 905e705c121SKalle Valo 906e705c121SKalle Valo static void iwl_mvm_async_handlers_wk(struct work_struct *wk) 907e705c121SKalle Valo { 908e705c121SKalle Valo struct iwl_mvm *mvm = 909e705c121SKalle Valo container_of(wk, struct iwl_mvm, async_handlers_wk); 910e705c121SKalle Valo struct iwl_async_handler_entry *entry, *tmp; 9118098203fSJohannes Berg LIST_HEAD(local_list); 912e705c121SKalle Valo 913e705c121SKalle Valo /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */ 914e705c121SKalle Valo 915e705c121SKalle Valo /* 916e705c121SKalle Valo * Sync with Rx path with a lock. Remove all the entries from this list, 917e705c121SKalle Valo * add them to a local one (lock free), and then handle them. 918e705c121SKalle Valo */ 919e705c121SKalle Valo spin_lock_bh(&mvm->async_handlers_lock); 920e705c121SKalle Valo list_splice_init(&mvm->async_handlers_list, &local_list); 921e705c121SKalle Valo spin_unlock_bh(&mvm->async_handlers_lock); 922e705c121SKalle Valo 923e705c121SKalle Valo list_for_each_entry_safe(entry, tmp, &local_list, list) { 924c9cb14a6SChaya Rachel Ivgi if (entry->context == RX_HANDLER_ASYNC_LOCKED) 925c9cb14a6SChaya Rachel Ivgi mutex_lock(&mvm->mutex); 926e705c121SKalle Valo entry->fn(mvm, &entry->rxb); 927e705c121SKalle Valo iwl_free_rxb(&entry->rxb); 928e705c121SKalle Valo list_del(&entry->list); 929c9cb14a6SChaya Rachel Ivgi if (entry->context == RX_HANDLER_ASYNC_LOCKED) 930c9cb14a6SChaya Rachel Ivgi mutex_unlock(&mvm->mutex); 931e705c121SKalle Valo kfree(entry); 932e705c121SKalle Valo } 933e705c121SKalle Valo } 934e705c121SKalle Valo 935e705c121SKalle Valo static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, 936e705c121SKalle Valo struct iwl_rx_packet *pkt) 937e705c121SKalle Valo { 938e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 939e705c121SKalle Valo struct iwl_fw_dbg_trigger_cmd *cmds_trig; 940e705c121SKalle Valo int i; 941e705c121SKalle Valo 942e705c121SKalle Valo if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF)) 943e705c121SKalle Valo return; 944e705c121SKalle Valo 945e705c121SKalle Valo trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF); 946e705c121SKalle Valo cmds_trig = (void *)trig->data; 947e705c121SKalle Valo 9487174beb6SJohannes Berg if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, NULL, trig)) 949e705c121SKalle Valo return; 950e705c121SKalle Valo 951e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) { 952e705c121SKalle Valo /* don't collect on CMD 0 */ 953e705c121SKalle Valo if (!cmds_trig->cmds[i].cmd_id) 954e705c121SKalle Valo break; 955e705c121SKalle Valo 956e705c121SKalle Valo if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || 957e705c121SKalle Valo cmds_trig->cmds[i].group_id != pkt->hdr.group_id) 958e705c121SKalle Valo continue; 959e705c121SKalle Valo 9607174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 961e705c121SKalle Valo "CMD 0x%02x.%02x received", 962e705c121SKalle Valo pkt->hdr.group_id, pkt->hdr.cmd); 963e705c121SKalle Valo break; 964e705c121SKalle Valo } 965e705c121SKalle Valo } 966e705c121SKalle Valo 967e705c121SKalle Valo static void iwl_mvm_rx_common(struct iwl_mvm *mvm, 968e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb, 969e705c121SKalle Valo struct iwl_rx_packet *pkt) 970e705c121SKalle Valo { 971e705c121SKalle Valo int i; 972e705c121SKalle Valo 973e705c121SKalle Valo iwl_mvm_rx_check_trigger(mvm, pkt); 974e705c121SKalle Valo 975e705c121SKalle Valo /* 976e705c121SKalle Valo * Do the notification wait before RX handlers so 977e705c121SKalle Valo * even if the RX handler consumes the RXB we have 978e705c121SKalle Valo * access to it in the notification wait entry. 979e705c121SKalle Valo */ 980e705c121SKalle Valo iwl_notification_wait_notify(&mvm->notif_wait, pkt); 981e705c121SKalle Valo 982e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { 983e705c121SKalle Valo const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; 984e705c121SKalle Valo struct iwl_async_handler_entry *entry; 985e705c121SKalle Valo 986e705c121SKalle Valo if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) 987e705c121SKalle Valo continue; 988e705c121SKalle Valo 989c9cb14a6SChaya Rachel Ivgi if (rx_h->context == RX_HANDLER_SYNC) { 990e705c121SKalle Valo rx_h->fn(mvm, rxb); 991e705c121SKalle Valo return; 992e705c121SKalle Valo } 993e705c121SKalle Valo 994e705c121SKalle Valo entry = kzalloc(sizeof(*entry), GFP_ATOMIC); 995e705c121SKalle Valo /* we can't do much... */ 996e705c121SKalle Valo if (!entry) 997e705c121SKalle Valo return; 998e705c121SKalle Valo 999e705c121SKalle Valo entry->rxb._page = rxb_steal_page(rxb); 1000e705c121SKalle Valo entry->rxb._offset = rxb->_offset; 1001e705c121SKalle Valo entry->rxb._rx_page_order = rxb->_rx_page_order; 1002e705c121SKalle Valo entry->fn = rx_h->fn; 1003c9cb14a6SChaya Rachel Ivgi entry->context = rx_h->context; 1004e705c121SKalle Valo spin_lock(&mvm->async_handlers_lock); 1005e705c121SKalle Valo list_add_tail(&entry->list, &mvm->async_handlers_list); 1006e705c121SKalle Valo spin_unlock(&mvm->async_handlers_lock); 1007e705c121SKalle Valo schedule_work(&mvm->async_handlers_wk); 1008f2e66c8dSMordechai Goodstein return; 1009e705c121SKalle Valo } 1010f2e66c8dSMordechai Goodstein 1011f2e66c8dSMordechai Goodstein iwl_fwrt_handle_notification(&mvm->fwrt, rxb); 1012e705c121SKalle Valo } 1013e705c121SKalle Valo 1014e705c121SKalle Valo static void iwl_mvm_rx(struct iwl_op_mode *op_mode, 1015e705c121SKalle Valo struct napi_struct *napi, 1016e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb) 1017e705c121SKalle Valo { 1018e705c121SKalle Valo struct iwl_rx_packet *pkt = rxb_addr(rxb); 1019e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 102061b0f5d7SJohannes Berg u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1021e705c121SKalle Valo 102261b0f5d7SJohannes Berg if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1023e705c121SKalle Valo iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); 102461b0f5d7SJohannes Berg else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD)) 1025e705c121SKalle Valo iwl_mvm_rx_rx_phy_cmd(mvm, rxb); 1026e705c121SKalle Valo else 1027e705c121SKalle Valo iwl_mvm_rx_common(mvm, rxb, pkt); 1028e705c121SKalle Valo } 1029e705c121SKalle Valo 1030e705c121SKalle Valo static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, 1031e705c121SKalle Valo struct napi_struct *napi, 1032e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb) 1033e705c121SKalle Valo { 1034e705c121SKalle Valo struct iwl_rx_packet *pkt = rxb_addr(rxb); 1035e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 103661b0f5d7SJohannes Berg u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1037e705c121SKalle Valo 103861b0f5d7SJohannes Berg if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1039780e87c2SJohannes Berg iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); 104061b0f5d7SJohannes Berg else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 104161b0f5d7SJohannes Berg RX_QUEUES_NOTIFICATION))) 104294bb4481SSara Sharon iwl_mvm_rx_queue_notif(mvm, rxb, 0); 104361b0f5d7SJohannes Berg else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) 104458035432SJohannes Berg iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); 1045e705c121SKalle Valo else 1046e705c121SKalle Valo iwl_mvm_rx_common(mvm, rxb, pkt); 1047e705c121SKalle Valo } 1048e705c121SKalle Valo 1049b4f7a9d1SLiad Kaufman void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq) 1050e705c121SKalle Valo { 1051e705c121SKalle Valo int q; 1052e705c121SKalle Valo 1053e705c121SKalle Valo if (WARN_ON_ONCE(!mq)) 1054e705c121SKalle Valo return; 1055e705c121SKalle Valo 1056e705c121SKalle Valo for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) { 1057e705c121SKalle Valo if (atomic_inc_return(&mvm->mac80211_queue_stop_count[q]) > 1) { 1058e705c121SKalle Valo IWL_DEBUG_TX_QUEUES(mvm, 1059b4f7a9d1SLiad Kaufman "mac80211 %d already stopped\n", q); 1060e705c121SKalle Valo continue; 1061e705c121SKalle Valo } 1062e705c121SKalle Valo 1063e705c121SKalle Valo ieee80211_stop_queue(mvm->hw, q); 1064e705c121SKalle Valo } 1065e705c121SKalle Valo } 1066e705c121SKalle Valo 1067156f92f2SEmmanuel Grumbach static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode, 1068156f92f2SEmmanuel Grumbach const struct iwl_device_cmd *cmd) 1069156f92f2SEmmanuel Grumbach { 1070156f92f2SEmmanuel Grumbach struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1071156f92f2SEmmanuel Grumbach 1072156f92f2SEmmanuel Grumbach /* 1073156f92f2SEmmanuel Grumbach * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA 1074156f92f2SEmmanuel Grumbach * commands that need to block the Tx queues. 1075156f92f2SEmmanuel Grumbach */ 1076156f92f2SEmmanuel Grumbach iwl_trans_block_txq_ptrs(mvm->trans, false); 1077156f92f2SEmmanuel Grumbach } 1078156f92f2SEmmanuel Grumbach 1079b4f7a9d1SLiad Kaufman static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1080e705c121SKalle Valo { 1081e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1082e705c121SKalle Valo unsigned long mq; 1083e705c121SKalle Valo 1084e705c121SKalle Valo spin_lock_bh(&mvm->queue_info_lock); 108534e10860SSara Sharon mq = mvm->hw_queue_to_mac80211[hw_queue]; 1086e705c121SKalle Valo spin_unlock_bh(&mvm->queue_info_lock); 1087e705c121SKalle Valo 1088b4f7a9d1SLiad Kaufman iwl_mvm_stop_mac_queues(mvm, mq); 1089b4f7a9d1SLiad Kaufman } 1090b4f7a9d1SLiad Kaufman 1091b4f7a9d1SLiad Kaufman void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq) 1092b4f7a9d1SLiad Kaufman { 1093b4f7a9d1SLiad Kaufman int q; 1094b4f7a9d1SLiad Kaufman 1095e705c121SKalle Valo if (WARN_ON_ONCE(!mq)) 1096e705c121SKalle Valo return; 1097e705c121SKalle Valo 1098e705c121SKalle Valo for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) { 1099e705c121SKalle Valo if (atomic_dec_return(&mvm->mac80211_queue_stop_count[q]) > 0) { 1100e705c121SKalle Valo IWL_DEBUG_TX_QUEUES(mvm, 1101b4f7a9d1SLiad Kaufman "mac80211 %d still stopped\n", q); 1102e705c121SKalle Valo continue; 1103e705c121SKalle Valo } 1104e705c121SKalle Valo 1105e705c121SKalle Valo ieee80211_wake_queue(mvm->hw, q); 1106e705c121SKalle Valo } 1107e705c121SKalle Valo } 1108e705c121SKalle Valo 1109b4f7a9d1SLiad Kaufman static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1110b4f7a9d1SLiad Kaufman { 1111b4f7a9d1SLiad Kaufman struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1112b4f7a9d1SLiad Kaufman unsigned long mq; 1113b4f7a9d1SLiad Kaufman 1114b4f7a9d1SLiad Kaufman spin_lock_bh(&mvm->queue_info_lock); 111534e10860SSara Sharon mq = mvm->hw_queue_to_mac80211[hw_queue]; 1116b4f7a9d1SLiad Kaufman spin_unlock_bh(&mvm->queue_info_lock); 1117b4f7a9d1SLiad Kaufman 1118b4f7a9d1SLiad Kaufman iwl_mvm_start_mac_queues(mvm, mq); 1119b4f7a9d1SLiad Kaufman } 1120b4f7a9d1SLiad Kaufman 11216ad04359SJohannes Berg static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm) 11226ad04359SJohannes Berg { 11236ad04359SJohannes Berg bool state = iwl_mvm_is_radio_killed(mvm); 11246ad04359SJohannes Berg 11256ad04359SJohannes Berg if (state) 11266ad04359SJohannes Berg wake_up(&mvm->rx_sync_waitq); 11276ad04359SJohannes Berg 11286ad04359SJohannes Berg wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state); 11296ad04359SJohannes Berg } 11306ad04359SJohannes Berg 1131e705c121SKalle Valo void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) 1132e705c121SKalle Valo { 1133e705c121SKalle Valo if (state) 1134e705c121SKalle Valo set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1135e705c121SKalle Valo else 1136e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1137e705c121SKalle Valo 11386ad04359SJohannes Berg iwl_mvm_set_rfkill_state(mvm); 1139e705c121SKalle Valo } 1140e705c121SKalle Valo 1141e705c121SKalle Valo static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) 1142e705c121SKalle Valo { 1143e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 11446aa7de05SMark Rutland bool calibrating = READ_ONCE(mvm->calibrating); 1145e705c121SKalle Valo 1146e705c121SKalle Valo if (state) 1147e705c121SKalle Valo set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1148e705c121SKalle Valo else 1149e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1150e705c121SKalle Valo 11516ad04359SJohannes Berg iwl_mvm_set_rfkill_state(mvm); 1152e705c121SKalle Valo 1153e705c121SKalle Valo /* iwl_run_init_mvm_ucode is waiting for results, abort it */ 1154e705c121SKalle Valo if (calibrating) 1155e705c121SKalle Valo iwl_abort_notification_waits(&mvm->notif_wait); 1156e705c121SKalle Valo 1157e705c121SKalle Valo /* 1158e705c121SKalle Valo * Stop the device if we run OPERATIONAL firmware or if we are in the 1159e705c121SKalle Valo * middle of the calibrations. 1160e705c121SKalle Valo */ 1161702e975dSJohannes Berg return state && (mvm->fwrt.cur_fw_img != IWL_UCODE_INIT || calibrating); 1162e705c121SKalle Valo } 1163e705c121SKalle Valo 1164e705c121SKalle Valo static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) 1165e705c121SKalle Valo { 1166e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1167e705c121SKalle Valo struct ieee80211_tx_info *info; 1168e705c121SKalle Valo 1169e705c121SKalle Valo info = IEEE80211_SKB_CB(skb); 1170e705c121SKalle Valo iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); 1171e705c121SKalle Valo ieee80211_free_txskb(mvm->hw, skb); 1172e705c121SKalle Valo } 1173e705c121SKalle Valo 1174e705c121SKalle Valo struct iwl_mvm_reprobe { 1175e705c121SKalle Valo struct device *dev; 1176e705c121SKalle Valo struct work_struct work; 1177e705c121SKalle Valo }; 1178e705c121SKalle Valo 1179e705c121SKalle Valo static void iwl_mvm_reprobe_wk(struct work_struct *wk) 1180e705c121SKalle Valo { 1181e705c121SKalle Valo struct iwl_mvm_reprobe *reprobe; 1182e705c121SKalle Valo 1183e705c121SKalle Valo reprobe = container_of(wk, struct iwl_mvm_reprobe, work); 1184e705c121SKalle Valo if (device_reprobe(reprobe->dev)) 1185e705c121SKalle Valo dev_err(reprobe->dev, "reprobe failed!\n"); 1186e705c121SKalle Valo kfree(reprobe); 1187e705c121SKalle Valo module_put(THIS_MODULE); 1188e705c121SKalle Valo } 1189e705c121SKalle Valo 1190e705c121SKalle Valo void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) 1191e705c121SKalle Valo { 1192e705c121SKalle Valo iwl_abort_notification_waits(&mvm->notif_wait); 1193e705c121SKalle Valo 1194e705c121SKalle Valo /* 1195e705c121SKalle Valo * This is a bit racy, but worst case we tell mac80211 about 1196e705c121SKalle Valo * a stopped/aborted scan when that was already done which 1197e705c121SKalle Valo * is not a problem. It is necessary to abort any os scan 1198e705c121SKalle Valo * here because mac80211 requires having the scan cleared 1199e705c121SKalle Valo * before restarting. 1200e705c121SKalle Valo * We'll reset the scan_status to NONE in restart cleanup in 1201e705c121SKalle Valo * the next start() call from mac80211. If restart isn't called 1202e705c121SKalle Valo * (no fw restart) scan status will stay busy. 1203e705c121SKalle Valo */ 1204e705c121SKalle Valo iwl_mvm_report_scan_aborted(mvm); 1205e705c121SKalle Valo 1206e705c121SKalle Valo /* 1207e705c121SKalle Valo * If we're restarting already, don't cycle restarts. 1208e705c121SKalle Valo * If INIT fw asserted, it will likely fail again. 1209e705c121SKalle Valo * If WoWLAN fw asserted, don't restart either, mac80211 1210e705c121SKalle Valo * can't recover this since we're already half suspended. 1211e705c121SKalle Valo */ 12123b37f4c9SJohannes Berg if (!mvm->fw_restart && fw_error) { 12137174beb6SJohannes Berg iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert, 1214e705c121SKalle Valo NULL); 1215bf8b286fSJohannes Berg } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1216e705c121SKalle Valo struct iwl_mvm_reprobe *reprobe; 1217e705c121SKalle Valo 1218e705c121SKalle Valo IWL_ERR(mvm, 1219e705c121SKalle Valo "Firmware error during reconfiguration - reprobe!\n"); 1220e705c121SKalle Valo 1221e705c121SKalle Valo /* 1222e705c121SKalle Valo * get a module reference to avoid doing this while unloading 1223e705c121SKalle Valo * anyway and to avoid scheduling a work with code that's 1224e705c121SKalle Valo * being removed. 1225e705c121SKalle Valo */ 1226e705c121SKalle Valo if (!try_module_get(THIS_MODULE)) { 1227e705c121SKalle Valo IWL_ERR(mvm, "Module is being unloaded - abort\n"); 1228e705c121SKalle Valo return; 1229e705c121SKalle Valo } 1230e705c121SKalle Valo 1231e705c121SKalle Valo reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC); 1232e705c121SKalle Valo if (!reprobe) { 1233e705c121SKalle Valo module_put(THIS_MODULE); 1234e705c121SKalle Valo return; 1235e705c121SKalle Valo } 1236e705c121SKalle Valo reprobe->dev = mvm->trans->dev; 1237e705c121SKalle Valo INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk); 1238e705c121SKalle Valo schedule_work(&reprobe->work); 1239702e975dSJohannes Berg } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && 12401f370650SSara Sharon mvm->hw_registered) { 1241e705c121SKalle Valo /* don't let the transport/FW power down */ 1242e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); 1243e705c121SKalle Valo 12443b37f4c9SJohannes Berg if (fw_error && mvm->fw_restart > 0) 12453b37f4c9SJohannes Berg mvm->fw_restart--; 1246bf8b286fSJohannes Berg set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1247e705c121SKalle Valo ieee80211_restart_hw(mvm->hw); 1248e705c121SKalle Valo } 1249e705c121SKalle Valo } 1250e705c121SKalle Valo 1251e705c121SKalle Valo static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode) 1252e705c121SKalle Valo { 1253e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1254e705c121SKalle Valo 1255e705c121SKalle Valo iwl_mvm_dump_nic_error_log(mvm); 1256e705c121SKalle Valo 1257e705c121SKalle Valo iwl_mvm_nic_restart(mvm, true); 1258e705c121SKalle Valo } 1259e705c121SKalle Valo 1260e705c121SKalle Valo static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) 1261e705c121SKalle Valo { 1262e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1263e705c121SKalle Valo 1264e705c121SKalle Valo WARN_ON(1); 1265e705c121SKalle Valo iwl_mvm_nic_restart(mvm, true); 1266e705c121SKalle Valo } 1267e705c121SKalle Valo 1268e705c121SKalle Valo struct iwl_d0i3_iter_data { 1269e705c121SKalle Valo struct iwl_mvm *mvm; 1270a3f7ba5cSEliad Peller struct ieee80211_vif *connected_vif; 1271e705c121SKalle Valo u8 ap_sta_id; 1272e705c121SKalle Valo u8 vif_count; 1273e705c121SKalle Valo u8 offloading_tid; 1274e705c121SKalle Valo bool disable_offloading; 1275e705c121SKalle Valo }; 1276e705c121SKalle Valo 1277e705c121SKalle Valo static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm, 1278e705c121SKalle Valo struct ieee80211_vif *vif, 1279e705c121SKalle Valo struct iwl_d0i3_iter_data *iter_data) 1280e705c121SKalle Valo { 1281e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1282e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 1283e705c121SKalle Valo u32 available_tids = 0; 1284e705c121SKalle Valo u8 tid; 1285e705c121SKalle Valo 1286e705c121SKalle Valo if (WARN_ON(vif->type != NL80211_IFTYPE_STATION || 12870ae98812SSara Sharon mvmvif->ap_sta_id == IWL_MVM_INVALID_STA)) 1288e705c121SKalle Valo return false; 1289e705c121SKalle Valo 129013303c0fSSara Sharon mvmsta = iwl_mvm_sta_from_staid_rcu(mvm, mvmvif->ap_sta_id); 129113303c0fSSara Sharon if (!mvmsta) 1292e705c121SKalle Valo return false; 1293e705c121SKalle Valo 1294e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 1295e705c121SKalle Valo for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 1296e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 1297e705c121SKalle Valo 1298e705c121SKalle Valo /* 1299e705c121SKalle Valo * in case of pending tx packets, don't use this tid 1300e705c121SKalle Valo * for offloading in order to prevent reuse of the same 1301e705c121SKalle Valo * qos seq counters. 1302e705c121SKalle Valo */ 1303dd32162dSLiad Kaufman if (iwl_mvm_tid_queued(mvm, tid_data)) 1304e705c121SKalle Valo continue; 1305e705c121SKalle Valo 1306e705c121SKalle Valo if (tid_data->state != IWL_AGG_OFF) 1307e705c121SKalle Valo continue; 1308e705c121SKalle Valo 1309e705c121SKalle Valo available_tids |= BIT(tid); 1310e705c121SKalle Valo } 1311e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 1312e705c121SKalle Valo 1313e705c121SKalle Valo /* 1314e705c121SKalle Valo * disallow protocol offloading if we have no available tid 1315e705c121SKalle Valo * (with no pending frames and no active aggregation, 1316e705c121SKalle Valo * as we don't handle "holes" properly - the scheduler needs the 1317e705c121SKalle Valo * frame's seq number and TFD index to match) 1318e705c121SKalle Valo */ 1319e705c121SKalle Valo if (!available_tids) 1320e705c121SKalle Valo return true; 1321e705c121SKalle Valo 1322e705c121SKalle Valo /* for simplicity, just use the first available tid */ 1323e705c121SKalle Valo iter_data->offloading_tid = ffs(available_tids) - 1; 1324e705c121SKalle Valo return false; 1325e705c121SKalle Valo } 1326e705c121SKalle Valo 1327e705c121SKalle Valo static void iwl_mvm_enter_d0i3_iterator(void *_data, u8 *mac, 1328e705c121SKalle Valo struct ieee80211_vif *vif) 1329e705c121SKalle Valo { 1330e705c121SKalle Valo struct iwl_d0i3_iter_data *data = _data; 1331e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1332e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1333e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE; 1334e705c121SKalle Valo 1335e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "entering D0i3 - vif %pM\n", vif->addr); 1336e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1337e705c121SKalle Valo !vif->bss_conf.assoc) 1338e705c121SKalle Valo return; 1339e705c121SKalle Valo 1340e705c121SKalle Valo /* 1341e705c121SKalle Valo * in case of pending tx packets or active aggregations, 1342e705c121SKalle Valo * avoid offloading features in order to prevent reuse of 1343e705c121SKalle Valo * the same qos seq counters. 1344e705c121SKalle Valo */ 1345e705c121SKalle Valo if (iwl_mvm_disallow_offloading(mvm, vif, data)) 1346e705c121SKalle Valo data->disable_offloading = true; 1347e705c121SKalle Valo 1348e705c121SKalle Valo iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags); 1349c97dab40SSara Sharon iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading, 1350c97dab40SSara Sharon false, flags); 1351e705c121SKalle Valo 1352e705c121SKalle Valo /* 1353e705c121SKalle Valo * on init/association, mvm already configures POWER_TABLE_CMD 1354e705c121SKalle Valo * and REPLY_MCAST_FILTER_CMD, so currently don't 1355e705c121SKalle Valo * reconfigure them (we might want to use different 1356e705c121SKalle Valo * params later on, though). 1357e705c121SKalle Valo */ 1358e705c121SKalle Valo data->ap_sta_id = mvmvif->ap_sta_id; 1359e705c121SKalle Valo data->vif_count++; 1360a3f7ba5cSEliad Peller 1361a3f7ba5cSEliad Peller /* 1362a3f7ba5cSEliad Peller * no new commands can be sent at this stage, so it's safe 1363a3f7ba5cSEliad Peller * to save the vif pointer during d0i3 entrance. 1364a3f7ba5cSEliad Peller */ 1365a3f7ba5cSEliad Peller data->connected_vif = vif; 1366e705c121SKalle Valo } 1367e705c121SKalle Valo 1368e705c121SKalle Valo static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm, 1369e705c121SKalle Valo struct iwl_wowlan_config_cmd *cmd, 1370e705c121SKalle Valo struct iwl_d0i3_iter_data *iter_data) 1371e705c121SKalle Valo { 1372e705c121SKalle Valo struct ieee80211_sta *ap_sta; 1373e705c121SKalle Valo struct iwl_mvm_sta *mvm_ap_sta; 1374e705c121SKalle Valo 13750ae98812SSara Sharon if (iter_data->ap_sta_id == IWL_MVM_INVALID_STA) 1376e705c121SKalle Valo return; 1377e705c121SKalle Valo 1378e705c121SKalle Valo rcu_read_lock(); 1379e705c121SKalle Valo 1380e705c121SKalle Valo ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[iter_data->ap_sta_id]); 1381e705c121SKalle Valo if (IS_ERR_OR_NULL(ap_sta)) 1382e705c121SKalle Valo goto out; 1383e705c121SKalle Valo 1384e705c121SKalle Valo mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta); 1385e705c121SKalle Valo cmd->is_11n_connection = ap_sta->ht_cap.ht_supported; 1386e705c121SKalle Valo cmd->offloading_tid = iter_data->offloading_tid; 138770b4c536SSara Sharon cmd->flags = ENABLE_L3_FILTERING | ENABLE_NBNS_FILTERING | 13880db056d3SSara Sharon ENABLE_DHCP_FILTERING | ENABLE_STORE_BEACON; 1389e705c121SKalle Valo /* 1390e705c121SKalle Valo * The d0i3 uCode takes care of the nonqos counters, 1391e705c121SKalle Valo * so configure only the qos seq ones. 1392e705c121SKalle Valo */ 1393e705c121SKalle Valo iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, cmd); 1394e705c121SKalle Valo out: 1395e705c121SKalle Valo rcu_read_unlock(); 1396e705c121SKalle Valo } 1397e705c121SKalle Valo 1398e705c121SKalle Valo int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode) 1399e705c121SKalle Valo { 1400e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1401e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE; 1402e705c121SKalle Valo int ret; 1403e705c121SKalle Valo struct iwl_d0i3_iter_data d0i3_iter_data = { 1404e705c121SKalle Valo .mvm = mvm, 1405e705c121SKalle Valo }; 1406e705c121SKalle Valo struct iwl_wowlan_config_cmd wowlan_config_cmd = { 1407e705c121SKalle Valo .wakeup_filter = cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME | 1408e705c121SKalle Valo IWL_WOWLAN_WAKEUP_BEACON_MISS | 14090db056d3SSara Sharon IWL_WOWLAN_WAKEUP_LINK_CHANGE), 1410e705c121SKalle Valo }; 1411e705c121SKalle Valo struct iwl_d3_manager_config d3_cfg_cmd = { 1412e705c121SKalle Valo .min_sleep_time = cpu_to_le32(1000), 1413e705c121SKalle Valo .wakeup_flags = cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR), 1414e705c121SKalle Valo }; 1415e705c121SKalle Valo 1416e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n"); 1417e705c121SKalle Valo 1418702e975dSJohannes Berg if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)) 141908f0d23dSEliad Peller return -EINVAL; 142008f0d23dSEliad Peller 1421e705c121SKalle Valo set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1422e705c121SKalle Valo 1423e705c121SKalle Valo /* 1424e705c121SKalle Valo * iwl_mvm_ref_sync takes a reference before checking the flag. 1425e705c121SKalle Valo * so by checking there is no held reference we prevent a state 1426e705c121SKalle Valo * in which iwl_mvm_ref_sync continues successfully while we 1427e705c121SKalle Valo * configure the firmware to enter d0i3 1428e705c121SKalle Valo */ 1429e705c121SKalle Valo if (iwl_mvm_ref_taken(mvm)) { 1430e705c121SKalle Valo IWL_DEBUG_RPM(mvm->trans, "abort d0i3 due to taken ref\n"); 1431e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1432e705c121SKalle Valo wake_up(&mvm->d0i3_exit_waitq); 1433e705c121SKalle Valo return 1; 1434e705c121SKalle Valo } 1435e705c121SKalle Valo 1436e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic(mvm->hw, 1437e705c121SKalle Valo IEEE80211_IFACE_ITER_NORMAL, 1438e705c121SKalle Valo iwl_mvm_enter_d0i3_iterator, 1439e705c121SKalle Valo &d0i3_iter_data); 1440e705c121SKalle Valo if (d0i3_iter_data.vif_count == 1) { 1441e705c121SKalle Valo mvm->d0i3_ap_sta_id = d0i3_iter_data.ap_sta_id; 1442e705c121SKalle Valo mvm->d0i3_offloading = !d0i3_iter_data.disable_offloading; 1443e705c121SKalle Valo } else { 1444e705c121SKalle Valo WARN_ON_ONCE(d0i3_iter_data.vif_count > 1); 14450ae98812SSara Sharon mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; 1446e705c121SKalle Valo mvm->d0i3_offloading = false; 1447e705c121SKalle Valo } 1448e705c121SKalle Valo 14497d9d0d56SLuca Coelho iwl_mvm_pause_tcm(mvm, true); 1450e705c121SKalle Valo /* make sure we have no running tx while configuring the seqno */ 1451e705c121SKalle Valo synchronize_net(); 1452e705c121SKalle Valo 1453eb3908d3SLuca Coelho /* Flush the hw queues, in case something got queued during entry */ 1454d167e81aSMordechai Goodstein /* TODO new tx api */ 1455d167e81aSMordechai Goodstein if (iwl_mvm_has_new_tx_api(mvm)) { 1456d167e81aSMordechai Goodstein WARN_ONCE(1, "d0i3: Need to implement flush TX queue\n"); 1457d167e81aSMordechai Goodstein } else { 1458d167e81aSMordechai Goodstein ret = iwl_mvm_flush_tx_path(mvm, iwl_mvm_flushable_queues(mvm), 1459d167e81aSMordechai Goodstein flags); 1460eb3908d3SLuca Coelho if (ret) 1461eb3908d3SLuca Coelho return ret; 1462d167e81aSMordechai Goodstein } 1463eb3908d3SLuca Coelho 1464e705c121SKalle Valo /* configure wowlan configuration only if needed */ 14650ae98812SSara Sharon if (mvm->d0i3_ap_sta_id != IWL_MVM_INVALID_STA) { 14660db056d3SSara Sharon /* wake on beacons only if beacon storing isn't supported */ 14670db056d3SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 14680db056d3SSara Sharon IWL_UCODE_TLV_CAPA_BEACON_STORING)) 14690db056d3SSara Sharon wowlan_config_cmd.wakeup_filter |= 14700db056d3SSara Sharon cpu_to_le32(IWL_WOWLAN_WAKEUP_BCN_FILTERING); 14710db056d3SSara Sharon 1472a3f7ba5cSEliad Peller iwl_mvm_wowlan_config_key_params(mvm, 1473a3f7ba5cSEliad Peller d0i3_iter_data.connected_vif, 1474a3f7ba5cSEliad Peller true, flags); 1475a3f7ba5cSEliad Peller 1476e705c121SKalle Valo iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd, 1477e705c121SKalle Valo &d0i3_iter_data); 1478e705c121SKalle Valo 1479e705c121SKalle Valo ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags, 1480e705c121SKalle Valo sizeof(wowlan_config_cmd), 1481e705c121SKalle Valo &wowlan_config_cmd); 1482e705c121SKalle Valo if (ret) 1483e705c121SKalle Valo return ret; 1484e705c121SKalle Valo } 1485e705c121SKalle Valo 1486e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD, 1487e705c121SKalle Valo flags | CMD_MAKE_TRANS_IDLE, 1488e705c121SKalle Valo sizeof(d3_cfg_cmd), &d3_cfg_cmd); 1489e705c121SKalle Valo } 1490e705c121SKalle Valo 1491e705c121SKalle Valo static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac, 1492e705c121SKalle Valo struct ieee80211_vif *vif) 1493e705c121SKalle Valo { 1494e705c121SKalle Valo struct iwl_mvm *mvm = _data; 1495e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO; 1496e705c121SKalle Valo 1497e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "exiting D0i3 - vif %pM\n", vif->addr); 1498e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1499e705c121SKalle Valo !vif->bss_conf.assoc) 1500e705c121SKalle Valo return; 1501e705c121SKalle Valo 1502e705c121SKalle Valo iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags); 1503e705c121SKalle Valo } 1504e705c121SKalle Valo 1505a3f7ba5cSEliad Peller struct iwl_mvm_d0i3_exit_work_iter_data { 1506e705c121SKalle Valo struct iwl_mvm *mvm; 1507a3f7ba5cSEliad Peller struct iwl_wowlan_status *status; 1508e705c121SKalle Valo u32 wakeup_reasons; 1509e705c121SKalle Valo }; 1510e705c121SKalle Valo 1511a3f7ba5cSEliad Peller static void iwl_mvm_d0i3_exit_work_iter(void *_data, u8 *mac, 1512e705c121SKalle Valo struct ieee80211_vif *vif) 1513e705c121SKalle Valo { 1514a3f7ba5cSEliad Peller struct iwl_mvm_d0i3_exit_work_iter_data *data = _data; 1515e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1516a3f7ba5cSEliad Peller u32 reasons = data->wakeup_reasons; 1517e705c121SKalle Valo 1518a3f7ba5cSEliad Peller /* consider only the relevant station interface */ 1519a3f7ba5cSEliad Peller if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || 1520a3f7ba5cSEliad Peller data->mvm->d0i3_ap_sta_id != mvmvif->ap_sta_id) 1521a3f7ba5cSEliad Peller return; 1522a3f7ba5cSEliad Peller 1523a3f7ba5cSEliad Peller if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH) 1524e705c121SKalle Valo iwl_mvm_connection_loss(data->mvm, vif, "D0i3"); 1525a3f7ba5cSEliad Peller else if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON) 1526e705c121SKalle Valo ieee80211_beacon_loss(vif); 1527a3f7ba5cSEliad Peller else 1528a3f7ba5cSEliad Peller iwl_mvm_d0i3_update_keys(data->mvm, vif, data->status); 1529e705c121SKalle Valo } 1530e705c121SKalle Valo 1531e705c121SKalle Valo void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq) 1532e705c121SKalle Valo { 1533e705c121SKalle Valo struct ieee80211_sta *sta = NULL; 1534e705c121SKalle Valo struct iwl_mvm_sta *mvm_ap_sta; 1535e705c121SKalle Valo int i; 1536e705c121SKalle Valo bool wake_queues = false; 1537e705c121SKalle Valo 1538e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1539e705c121SKalle Valo 1540e705c121SKalle Valo spin_lock_bh(&mvm->d0i3_tx_lock); 1541e705c121SKalle Valo 15420ae98812SSara Sharon if (mvm->d0i3_ap_sta_id == IWL_MVM_INVALID_STA) 1543e705c121SKalle Valo goto out; 1544e705c121SKalle Valo 1545e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "re-enqueue packets\n"); 1546e705c121SKalle Valo 1547e705c121SKalle Valo /* get the sta in order to update seq numbers and re-enqueue skbs */ 1548e705c121SKalle Valo sta = rcu_dereference_protected( 1549e705c121SKalle Valo mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id], 1550e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 1551e705c121SKalle Valo 1552e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) { 1553e705c121SKalle Valo sta = NULL; 1554e705c121SKalle Valo goto out; 1555e705c121SKalle Valo } 1556e705c121SKalle Valo 1557e705c121SKalle Valo if (mvm->d0i3_offloading && qos_seq) { 1558e705c121SKalle Valo /* update qos seq numbers if offloading was enabled */ 1559e705c121SKalle Valo mvm_ap_sta = iwl_mvm_sta_from_mac80211(sta); 1560e705c121SKalle Valo for (i = 0; i < IWL_MAX_TID_COUNT; i++) { 1561e705c121SKalle Valo u16 seq = le16_to_cpu(qos_seq[i]); 1562e705c121SKalle Valo /* firmware stores last-used one, we store next one */ 1563e705c121SKalle Valo seq += 0x10; 1564e705c121SKalle Valo mvm_ap_sta->tid_data[i].seq_number = seq; 1565e705c121SKalle Valo } 1566e705c121SKalle Valo } 1567e705c121SKalle Valo out: 1568e705c121SKalle Valo /* re-enqueue (or drop) all packets */ 1569e705c121SKalle Valo while (!skb_queue_empty(&mvm->d0i3_tx)) { 1570e705c121SKalle Valo struct sk_buff *skb = __skb_dequeue(&mvm->d0i3_tx); 1571e705c121SKalle Valo 1572e705c121SKalle Valo if (!sta || iwl_mvm_tx_skb(mvm, skb, sta)) 1573e705c121SKalle Valo ieee80211_free_txskb(mvm->hw, skb); 1574e705c121SKalle Valo 1575e705c121SKalle Valo /* if the skb_queue is not empty, we need to wake queues */ 1576e705c121SKalle Valo wake_queues = true; 1577e705c121SKalle Valo } 1578e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1579e705c121SKalle Valo wake_up(&mvm->d0i3_exit_waitq); 15800ae98812SSara Sharon mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; 1581e705c121SKalle Valo if (wake_queues) 1582e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 1583e705c121SKalle Valo 1584e705c121SKalle Valo spin_unlock_bh(&mvm->d0i3_tx_lock); 1585e705c121SKalle Valo } 1586e705c121SKalle Valo 1587e705c121SKalle Valo static void iwl_mvm_d0i3_exit_work(struct work_struct *wk) 1588e705c121SKalle Valo { 1589e705c121SKalle Valo struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, d0i3_exit_work); 1590e705c121SKalle Valo struct iwl_host_cmd get_status_cmd = { 1591e705c121SKalle Valo .id = WOWLAN_GET_STATUSES, 1592e705c121SKalle Valo .flags = CMD_HIGH_PRIO | CMD_WANT_SKB, 1593e705c121SKalle Valo }; 1594a3f7ba5cSEliad Peller struct iwl_mvm_d0i3_exit_work_iter_data iter_data = { 1595a3f7ba5cSEliad Peller .mvm = mvm, 1596a3f7ba5cSEliad Peller }; 1597a3f7ba5cSEliad Peller 1598e705c121SKalle Valo struct iwl_wowlan_status *status; 1599e705c121SKalle Valo int ret; 1600a3f7ba5cSEliad Peller u32 wakeup_reasons = 0; 1601e705c121SKalle Valo __le16 *qos_seq = NULL; 1602e705c121SKalle Valo 1603e705c121SKalle Valo mutex_lock(&mvm->mutex); 1604e705c121SKalle Valo ret = iwl_mvm_send_cmd(mvm, &get_status_cmd); 1605e705c121SKalle Valo if (ret) 1606e705c121SKalle Valo goto out; 1607e705c121SKalle Valo 1608e705c121SKalle Valo status = (void *)get_status_cmd.resp_pkt->data; 1609e705c121SKalle Valo wakeup_reasons = le32_to_cpu(status->wakeup_reasons); 1610e705c121SKalle Valo qos_seq = status->qos_seq_ctr; 1611e705c121SKalle Valo 1612e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons); 1613e705c121SKalle Valo 1614a3f7ba5cSEliad Peller iter_data.wakeup_reasons = wakeup_reasons; 1615a3f7ba5cSEliad Peller iter_data.status = status; 1616a3f7ba5cSEliad Peller ieee80211_iterate_active_interfaces(mvm->hw, 1617a3f7ba5cSEliad Peller IEEE80211_IFACE_ITER_NORMAL, 1618a3f7ba5cSEliad Peller iwl_mvm_d0i3_exit_work_iter, 1619a3f7ba5cSEliad Peller &iter_data); 1620e705c121SKalle Valo out: 1621e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, qos_seq); 1622e705c121SKalle Valo 1623e705c121SKalle Valo IWL_DEBUG_INFO(mvm, "d0i3 exit completed (wakeup reasons: 0x%x)\n", 1624e705c121SKalle Valo wakeup_reasons); 1625e705c121SKalle Valo 1626e705c121SKalle Valo /* qos_seq might point inside resp_pkt, so free it only now */ 1627e705c121SKalle Valo if (get_status_cmd.resp_pkt) 1628e705c121SKalle Valo iwl_free_resp(&get_status_cmd); 1629e705c121SKalle Valo 1630e705c121SKalle Valo /* the FW might have updated the regdomain */ 1631e705c121SKalle Valo iwl_mvm_update_changed_regdom(mvm); 1632e705c121SKalle Valo 16337d9d0d56SLuca Coelho iwl_mvm_resume_tcm(mvm); 1634e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_EXIT_WORK); 1635e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1636e705c121SKalle Valo } 1637e705c121SKalle Valo 1638e705c121SKalle Valo int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm) 1639e705c121SKalle Valo { 1640e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE | 1641e705c121SKalle Valo CMD_WAKE_UP_TRANS; 1642e705c121SKalle Valo int ret; 1643e705c121SKalle Valo 1644e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "MVM exiting D0i3\n"); 1645e705c121SKalle Valo 1646702e975dSJohannes Berg if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)) 164708f0d23dSEliad Peller return -EINVAL; 164808f0d23dSEliad Peller 1649e705c121SKalle Valo mutex_lock(&mvm->d0i3_suspend_mutex); 1650e705c121SKalle Valo if (test_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags)) { 1651e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Deferring d0i3 exit until resume\n"); 1652e705c121SKalle Valo __set_bit(D0I3_PENDING_WAKEUP, &mvm->d0i3_suspend_flags); 1653e705c121SKalle Valo mutex_unlock(&mvm->d0i3_suspend_mutex); 1654e705c121SKalle Valo return 0; 1655e705c121SKalle Valo } 1656e705c121SKalle Valo mutex_unlock(&mvm->d0i3_suspend_mutex); 1657e705c121SKalle Valo 1658e705c121SKalle Valo ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL); 1659e705c121SKalle Valo if (ret) 1660e705c121SKalle Valo goto out; 1661e705c121SKalle Valo 1662e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic(mvm->hw, 1663e705c121SKalle Valo IEEE80211_IFACE_ITER_NORMAL, 1664e705c121SKalle Valo iwl_mvm_exit_d0i3_iterator, 1665e705c121SKalle Valo mvm); 1666e705c121SKalle Valo out: 1667e705c121SKalle Valo schedule_work(&mvm->d0i3_exit_work); 1668e705c121SKalle Valo return ret; 1669e705c121SKalle Valo } 1670e705c121SKalle Valo 1671e705c121SKalle Valo int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode) 1672e705c121SKalle Valo { 1673e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1674e705c121SKalle Valo 1675e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_EXIT_WORK); 1676e705c121SKalle Valo return _iwl_mvm_exit_d0i3(mvm); 1677e705c121SKalle Valo } 1678e705c121SKalle Valo 1679e705c121SKalle Valo #define IWL_MVM_COMMON_OPS \ 1680e705c121SKalle Valo /* these could be differentiated */ \ 1681156f92f2SEmmanuel Grumbach .async_cb = iwl_mvm_async_cb, \ 1682e705c121SKalle Valo .queue_full = iwl_mvm_stop_sw_queue, \ 1683e705c121SKalle Valo .queue_not_full = iwl_mvm_wake_sw_queue, \ 1684e705c121SKalle Valo .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \ 1685e705c121SKalle Valo .free_skb = iwl_mvm_free_skb, \ 1686e705c121SKalle Valo .nic_error = iwl_mvm_nic_error, \ 1687e705c121SKalle Valo .cmd_queue_full = iwl_mvm_cmd_queue_full, \ 1688e705c121SKalle Valo .nic_config = iwl_mvm_nic_config, \ 1689e705c121SKalle Valo .enter_d0i3 = iwl_mvm_enter_d0i3, \ 1690e705c121SKalle Valo .exit_d0i3 = iwl_mvm_exit_d0i3, \ 1691e705c121SKalle Valo /* as we only register one, these MUST be common! */ \ 1692e705c121SKalle Valo .start = iwl_op_mode_mvm_start, \ 1693e705c121SKalle Valo .stop = iwl_op_mode_mvm_stop 1694e705c121SKalle Valo 1695e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops = { 1696e705c121SKalle Valo IWL_MVM_COMMON_OPS, 1697e705c121SKalle Valo .rx = iwl_mvm_rx, 1698e705c121SKalle Valo }; 1699e705c121SKalle Valo 1700e705c121SKalle Valo static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, 1701e705c121SKalle Valo struct napi_struct *napi, 1702e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb, 1703e705c121SKalle Valo unsigned int queue) 1704e705c121SKalle Valo { 1705e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1706585a6fccSSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 170761b0f5d7SJohannes Berg u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1708e705c121SKalle Valo 170961b0f5d7SJohannes Berg if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))) 1710a338384bSSara Sharon iwl_mvm_rx_frame_release(mvm, napi, rxb, queue); 171161b0f5d7SJohannes Berg else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 171261b0f5d7SJohannes Berg RX_QUEUES_NOTIFICATION))) 171394bb4481SSara Sharon iwl_mvm_rx_queue_notif(mvm, rxb, queue); 171461b0f5d7SJohannes Berg else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1715780e87c2SJohannes Berg iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue); 1716e705c121SKalle Valo } 1717e705c121SKalle Valo 1718e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops_mq = { 1719e705c121SKalle Valo IWL_MVM_COMMON_OPS, 1720e705c121SKalle Valo .rx = iwl_mvm_rx_mq, 1721e705c121SKalle Valo .rx_rss = iwl_mvm_rx_mq_rss, 1722e705c121SKalle Valo }; 1723