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 10e705c121SKalle Valo * 11e705c121SKalle Valo * This program is free software; you can redistribute it and/or modify 12e705c121SKalle Valo * it under the terms of version 2 of the GNU General Public License as 13e705c121SKalle Valo * published by the Free Software Foundation. 14e705c121SKalle Valo * 15e705c121SKalle Valo * This program is distributed in the hope that it will be useful, but 16e705c121SKalle Valo * WITHOUT ANY WARRANTY; without even the implied warranty of 17e705c121SKalle Valo * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18e705c121SKalle Valo * General Public License for more details. 19e705c121SKalle Valo * 20e705c121SKalle Valo * You should have received a copy of the GNU General Public License 21e705c121SKalle Valo * along with this program; if not, write to the Free Software 22e705c121SKalle Valo * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 23e705c121SKalle Valo * USA 24e705c121SKalle Valo * 25e705c121SKalle Valo * The full GNU General Public License is included in this distribution 26e705c121SKalle Valo * in the file called COPYING. 27e705c121SKalle Valo * 28e705c121SKalle Valo * Contact Information: 29e705c121SKalle Valo * Intel Linux Wireless <ilw@linux.intel.com> 30e705c121SKalle Valo * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 31e705c121SKalle Valo * 32e705c121SKalle Valo * BSD LICENSE 33e705c121SKalle Valo * 34e705c121SKalle Valo * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 35e705c121SKalle Valo * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 36e705c121SKalle Valo * All rights reserved. 37e705c121SKalle Valo * 38e705c121SKalle Valo * Redistribution and use in source and binary forms, with or without 39e705c121SKalle Valo * modification, are permitted provided that the following conditions 40e705c121SKalle Valo * are met: 41e705c121SKalle Valo * 42e705c121SKalle Valo * * Redistributions of source code must retain the above copyright 43e705c121SKalle Valo * notice, this list of conditions and the following disclaimer. 44e705c121SKalle Valo * * Redistributions in binary form must reproduce the above copyright 45e705c121SKalle Valo * notice, this list of conditions and the following disclaimer in 46e705c121SKalle Valo * the documentation and/or other materials provided with the 47e705c121SKalle Valo * distribution. 48e705c121SKalle Valo * * Neither the name Intel Corporation nor the names of its 49e705c121SKalle Valo * contributors may be used to endorse or promote products derived 50e705c121SKalle Valo * from this software without specific prior written permission. 51e705c121SKalle Valo * 52e705c121SKalle Valo * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 53e705c121SKalle Valo * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 54e705c121SKalle Valo * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 55e705c121SKalle Valo * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 56e705c121SKalle Valo * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 57e705c121SKalle Valo * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 58e705c121SKalle Valo * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 59e705c121SKalle Valo * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 60e705c121SKalle Valo * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 61e705c121SKalle Valo * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 62e705c121SKalle Valo * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 63e705c121SKalle Valo * 64e705c121SKalle Valo *****************************************************************************/ 65e705c121SKalle Valo #include <linux/module.h> 66e705c121SKalle Valo #include <linux/vmalloc.h> 67e705c121SKalle Valo #include <net/mac80211.h> 68e705c121SKalle Valo 69e705c121SKalle Valo #include "iwl-notif-wait.h" 70e705c121SKalle Valo #include "iwl-trans.h" 71e705c121SKalle Valo #include "iwl-op-mode.h" 72e705c121SKalle Valo #include "iwl-fw.h" 73e705c121SKalle Valo #include "iwl-debug.h" 74e705c121SKalle Valo #include "iwl-drv.h" 75e705c121SKalle Valo #include "iwl-modparams.h" 76e705c121SKalle Valo #include "mvm.h" 77e705c121SKalle Valo #include "iwl-phy-db.h" 78e705c121SKalle Valo #include "iwl-eeprom-parse.h" 79e705c121SKalle Valo #include "iwl-csr.h" 80e705c121SKalle Valo #include "iwl-io.h" 81e705c121SKalle Valo #include "iwl-prph.h" 82e705c121SKalle Valo #include "rs.h" 83e705c121SKalle Valo #include "fw-api-scan.h" 84e705c121SKalle Valo #include "time-event.h" 852f89a5d7SGolan Ben-Ami #include "fw-dbg.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 101e705c121SKalle Valo module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, S_IRUGO); 102e705c121SKalle Valo MODULE_PARM_DESC(init_dbg, 103e705c121SKalle Valo "set to true to debug an ASSERT in INIT fw (default: false"); 104e705c121SKalle Valo module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, S_IRUGO); 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, 108e705c121SKalle Valo bool, S_IRUGO); 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); 126e705c121SKalle Valo 127e705c121SKalle Valo if (ret) { 128e705c121SKalle Valo pr_err("Unable to register MVM op_mode: %d\n", ret); 129e705c121SKalle Valo iwl_mvm_rate_control_unregister(); 130e705c121SKalle Valo } 131e705c121SKalle Valo 132e705c121SKalle Valo return ret; 133e705c121SKalle Valo } 134e705c121SKalle Valo module_init(iwl_mvm_init); 135e705c121SKalle Valo 136e705c121SKalle Valo static void __exit iwl_mvm_exit(void) 137e705c121SKalle Valo { 138e705c121SKalle Valo iwl_opmode_deregister("iwlmvm"); 139e705c121SKalle Valo iwl_mvm_rate_control_unregister(); 140e705c121SKalle Valo } 141e705c121SKalle Valo module_exit(iwl_mvm_exit); 142e705c121SKalle Valo 143e705c121SKalle Valo static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) 144e705c121SKalle Valo { 145e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 146e705c121SKalle Valo u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; 147e705c121SKalle Valo u32 reg_val = 0; 148e705c121SKalle Valo u32 phy_config = iwl_mvm_get_phy_config(mvm); 149e705c121SKalle Valo 150e705c121SKalle Valo radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> 151e705c121SKalle Valo FW_PHY_CFG_RADIO_TYPE_POS; 152e705c121SKalle Valo radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> 153e705c121SKalle Valo FW_PHY_CFG_RADIO_STEP_POS; 154e705c121SKalle Valo radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> 155e705c121SKalle Valo FW_PHY_CFG_RADIO_DASH_POS; 156e705c121SKalle Valo 157e705c121SKalle Valo /* SKU control */ 158e705c121SKalle Valo reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) << 159e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_POS_MAC_STEP; 160e705c121SKalle Valo reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) << 161e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_POS_MAC_DASH; 162e705c121SKalle Valo 163e705c121SKalle Valo /* radio configuration */ 164e705c121SKalle Valo reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE; 165e705c121SKalle Valo reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP; 166e705c121SKalle Valo reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; 167e705c121SKalle Valo 168e705c121SKalle Valo WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & 169e705c121SKalle Valo ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); 170e705c121SKalle Valo 171e705c121SKalle Valo /* 172e705c121SKalle Valo * TODO: Bits 7-8 of CSR in 8000 HW family set the ADC sampling, and 173e705c121SKalle Valo * shouldn't be set to any non-zero value. The same is supposed to be 174e705c121SKalle Valo * true of the other HW, but unsetting them (such as the 7260) causes 175e705c121SKalle Valo * automatic tests to fail on seemingly unrelated errors. Need to 176e705c121SKalle Valo * further investigate this, but for now we'll separate cases. 177e705c121SKalle Valo */ 178e705c121SKalle Valo if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) 179e705c121SKalle Valo reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; 180e705c121SKalle Valo 181e705c121SKalle Valo iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, 182e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH | 183e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP | 184e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | 185e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | 186e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | 187e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | 188e705c121SKalle Valo CSR_HW_IF_CONFIG_REG_BIT_MAC_SI, 189e705c121SKalle Valo reg_val); 190e705c121SKalle Valo 191e705c121SKalle Valo IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, 192e705c121SKalle Valo radio_cfg_step, radio_cfg_dash); 193e705c121SKalle Valo 194e705c121SKalle Valo /* 195e705c121SKalle Valo * W/A : NIC is stuck in a reset state after Early PCIe power off 196e705c121SKalle Valo * (PCIe power is lost before PERST# is asserted), causing ME FW 197e705c121SKalle Valo * to lose ownership and not being able to obtain it back. 198e705c121SKalle Valo */ 199e705c121SKalle Valo if (!mvm->trans->cfg->apmg_not_supported) 200e705c121SKalle Valo iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, 201e705c121SKalle Valo APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, 202e705c121SKalle Valo ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); 203e705c121SKalle Valo } 204e705c121SKalle Valo 205e705c121SKalle Valo struct iwl_rx_handlers { 206e705c121SKalle Valo u16 cmd_id; 207e705c121SKalle Valo bool async; 208e705c121SKalle Valo void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 209e705c121SKalle Valo }; 210e705c121SKalle Valo 211e705c121SKalle Valo #define RX_HANDLER(_cmd_id, _fn, _async) \ 212e705c121SKalle Valo { .cmd_id = _cmd_id , .fn = _fn , .async = _async } 213e705c121SKalle Valo #define RX_HANDLER_GRP(_grp, _cmd, _fn, _async) \ 214e705c121SKalle Valo { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .async = _async } 215e705c121SKalle Valo 216e705c121SKalle Valo /* 217e705c121SKalle Valo * Handlers for fw notifications 218e705c121SKalle Valo * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME 219e705c121SKalle Valo * This list should be in order of frequency for performance purposes. 220e705c121SKalle Valo * 221e705c121SKalle Valo * The handler can be SYNC - this means that it will be called in the Rx path 222e705c121SKalle Valo * which can't acquire mvm->mutex. If the handler needs to hold mvm->mutex (and 223e705c121SKalle Valo * only in this case!), it should be set as ASYNC. In that case, it will be 224e705c121SKalle Valo * called from a worker with mvm->mutex held. 225e705c121SKalle Valo */ 226e705c121SKalle Valo static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { 227e705c121SKalle Valo RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, false), 228e705c121SKalle Valo RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, false), 229e705c121SKalle Valo 230e705c121SKalle Valo RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, true), 231e705c121SKalle Valo RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, true), 232e705c121SKalle Valo RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, true), 233e705c121SKalle Valo RX_HANDLER(ANTENNA_COUPLING_NOTIFICATION, 234e705c121SKalle Valo iwl_mvm_rx_ant_coupling_notif, true), 235e705c121SKalle Valo 236e705c121SKalle Valo RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, false), 237e705c121SKalle Valo RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, true), 238e705c121SKalle Valo 239e705c121SKalle Valo RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, false), 240e705c121SKalle Valo 241e705c121SKalle Valo RX_HANDLER(SCAN_ITERATION_COMPLETE, 242e705c121SKalle Valo iwl_mvm_rx_lmac_scan_iter_complete_notif, false), 243e705c121SKalle Valo RX_HANDLER(SCAN_OFFLOAD_COMPLETE, 244e705c121SKalle Valo iwl_mvm_rx_lmac_scan_complete_notif, true), 245e705c121SKalle Valo RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found, 246e705c121SKalle Valo false), 247e705c121SKalle Valo RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, 248e705c121SKalle Valo true), 249e705c121SKalle Valo RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, 250e705c121SKalle Valo iwl_mvm_rx_umac_scan_iter_complete_notif, false), 251e705c121SKalle Valo 252e705c121SKalle Valo RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, false), 253e705c121SKalle Valo 254e705c121SKalle Valo RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, 255e705c121SKalle Valo false), 256e705c121SKalle Valo 257e705c121SKalle Valo RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, false), 258e705c121SKalle Valo RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, 259e705c121SKalle Valo iwl_mvm_power_uapsd_misbehaving_ap_notif, false), 260e705c121SKalle Valo RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, true), 261e705c121SKalle Valo RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, 262e705c121SKalle Valo iwl_mvm_temp_notif, true), 263e705c121SKalle Valo 264e705c121SKalle Valo RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, 265e705c121SKalle Valo true), 266e705c121SKalle Valo RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, false), 267e705c121SKalle Valo RX_HANDLER(TOF_NOTIFICATION, iwl_mvm_tof_resp_handler, true), 268e705c121SKalle Valo 269e705c121SKalle Valo }; 270e705c121SKalle Valo #undef RX_HANDLER 271e705c121SKalle Valo #undef RX_HANDLER_GRP 272e705c121SKalle Valo #define CMD(x) [x] = #x 273e705c121SKalle Valo 274e705c121SKalle Valo static const char *const iwl_mvm_cmd_strings[REPLY_MAX + 1] = { 275e705c121SKalle Valo CMD(MVM_ALIVE), 276e705c121SKalle Valo CMD(REPLY_ERROR), 277e705c121SKalle Valo CMD(ECHO_CMD), 278e705c121SKalle Valo CMD(INIT_COMPLETE_NOTIF), 279e705c121SKalle Valo CMD(PHY_CONTEXT_CMD), 280e705c121SKalle Valo CMD(MGMT_MCAST_KEY), 281e705c121SKalle Valo CMD(TX_CMD), 282e705c121SKalle Valo CMD(TXPATH_FLUSH), 283e705c121SKalle Valo CMD(SHARED_MEM_CFG), 284e705c121SKalle Valo CMD(MAC_CONTEXT_CMD), 285e705c121SKalle Valo CMD(TIME_EVENT_CMD), 286e705c121SKalle Valo CMD(TIME_EVENT_NOTIFICATION), 287e705c121SKalle Valo CMD(BINDING_CONTEXT_CMD), 288e705c121SKalle Valo CMD(TIME_QUOTA_CMD), 289e705c121SKalle Valo CMD(NON_QOS_TX_COUNTER_CMD), 290e705c121SKalle Valo CMD(DC2DC_CONFIG_CMD), 291e705c121SKalle Valo CMD(NVM_ACCESS_CMD), 292e705c121SKalle Valo CMD(PHY_CONFIGURATION_CMD), 293e705c121SKalle Valo CMD(CALIB_RES_NOTIF_PHY_DB), 294e705c121SKalle Valo CMD(SET_CALIB_DEFAULT_CMD), 295e705c121SKalle Valo CMD(FW_PAGING_BLOCK_CMD), 296e705c121SKalle Valo CMD(ADD_STA_KEY), 297e705c121SKalle Valo CMD(ADD_STA), 298e705c121SKalle Valo CMD(FW_GET_ITEM_CMD), 299e705c121SKalle Valo CMD(REMOVE_STA), 300e705c121SKalle Valo CMD(LQ_CMD), 301e705c121SKalle Valo CMD(SCAN_OFFLOAD_CONFIG_CMD), 302e705c121SKalle Valo CMD(MATCH_FOUND_NOTIFICATION), 303e705c121SKalle Valo CMD(SCAN_OFFLOAD_REQUEST_CMD), 304e705c121SKalle Valo CMD(SCAN_OFFLOAD_ABORT_CMD), 305e705c121SKalle Valo CMD(HOT_SPOT_CMD), 306e705c121SKalle Valo CMD(SCAN_OFFLOAD_COMPLETE), 307e705c121SKalle Valo CMD(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), 308e705c121SKalle Valo CMD(SCAN_ITERATION_COMPLETE), 309e705c121SKalle Valo CMD(POWER_TABLE_CMD), 310e705c121SKalle Valo CMD(WEP_KEY), 311e705c121SKalle Valo CMD(REPLY_RX_PHY_CMD), 312e705c121SKalle Valo CMD(REPLY_RX_MPDU_CMD), 313e705c121SKalle Valo CMD(BEACON_NOTIFICATION), 314e705c121SKalle Valo CMD(BEACON_TEMPLATE_CMD), 315e705c121SKalle Valo CMD(STATISTICS_CMD), 316e705c121SKalle Valo CMD(STATISTICS_NOTIFICATION), 317e705c121SKalle Valo CMD(EOSP_NOTIFICATION), 318e705c121SKalle Valo CMD(REDUCE_TX_POWER_CMD), 319e705c121SKalle Valo CMD(TX_ANT_CONFIGURATION_CMD), 320e705c121SKalle Valo CMD(D3_CONFIG_CMD), 321e705c121SKalle Valo CMD(D0I3_END_CMD), 322e705c121SKalle Valo CMD(PROT_OFFLOAD_CONFIG_CMD), 323e705c121SKalle Valo CMD(OFFLOADS_QUERY_CMD), 324e705c121SKalle Valo CMD(REMOTE_WAKE_CONFIG_CMD), 325e705c121SKalle Valo CMD(WOWLAN_PATTERNS), 326e705c121SKalle Valo CMD(WOWLAN_CONFIGURATION), 327e705c121SKalle Valo CMD(WOWLAN_TSC_RSC_PARAM), 328e705c121SKalle Valo CMD(WOWLAN_TKIP_PARAM), 329e705c121SKalle Valo CMD(WOWLAN_KEK_KCK_MATERIAL), 330e705c121SKalle Valo CMD(WOWLAN_GET_STATUSES), 331e705c121SKalle Valo CMD(WOWLAN_TX_POWER_PER_DB), 332e705c121SKalle Valo CMD(SCAN_OFFLOAD_PROFILES_QUERY_CMD), 333e705c121SKalle Valo CMD(SCAN_OFFLOAD_HOTSPOTS_CONFIG_CMD), 334e705c121SKalle Valo CMD(SCAN_OFFLOAD_HOTSPOTS_QUERY_CMD), 335e705c121SKalle Valo CMD(CARD_STATE_NOTIFICATION), 336e705c121SKalle Valo CMD(MISSED_BEACONS_NOTIFICATION), 337e705c121SKalle Valo CMD(BT_COEX_PRIO_TABLE), 338e705c121SKalle Valo CMD(BT_COEX_PROT_ENV), 339e705c121SKalle Valo CMD(BT_PROFILE_NOTIFICATION), 340e705c121SKalle Valo CMD(BT_CONFIG), 341e705c121SKalle Valo CMD(MCAST_FILTER_CMD), 342e705c121SKalle Valo CMD(BCAST_FILTER_CMD), 343e705c121SKalle Valo CMD(REPLY_SF_CFG_CMD), 344e705c121SKalle Valo CMD(REPLY_BEACON_FILTERING_CMD), 345e705c121SKalle Valo CMD(CMD_DTS_MEASUREMENT_TRIGGER), 346e705c121SKalle Valo CMD(DTS_MEASUREMENT_NOTIFICATION), 347e705c121SKalle Valo CMD(REPLY_THERMAL_MNG_BACKOFF), 348e705c121SKalle Valo CMD(MAC_PM_POWER_TABLE), 349e705c121SKalle Valo CMD(LTR_CONFIG), 350e705c121SKalle Valo CMD(BT_COEX_CI), 351e705c121SKalle Valo CMD(BT_COEX_UPDATE_SW_BOOST), 352e705c121SKalle Valo CMD(BT_COEX_UPDATE_CORUN_LUT), 353e705c121SKalle Valo CMD(BT_COEX_UPDATE_REDUCED_TXP), 354e705c121SKalle Valo CMD(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), 355e705c121SKalle Valo CMD(ANTENNA_COUPLING_NOTIFICATION), 356e705c121SKalle Valo CMD(SCD_QUEUE_CFG), 357e705c121SKalle Valo CMD(SCAN_CFG_CMD), 358e705c121SKalle Valo CMD(SCAN_REQ_UMAC), 359e705c121SKalle Valo CMD(SCAN_ABORT_UMAC), 360e705c121SKalle Valo CMD(SCAN_COMPLETE_UMAC), 361e705c121SKalle Valo CMD(TDLS_CHANNEL_SWITCH_CMD), 362e705c121SKalle Valo CMD(TDLS_CHANNEL_SWITCH_NOTIFICATION), 363e705c121SKalle Valo CMD(TDLS_CONFIG_CMD), 364e705c121SKalle Valo CMD(MCC_UPDATE_CMD), 365e705c121SKalle Valo CMD(SCAN_ITERATION_COMPLETE_UMAC), 366e705c121SKalle Valo }; 367e705c121SKalle Valo #undef CMD 368e705c121SKalle Valo 369e705c121SKalle Valo /* this forward declaration can avoid to export the function */ 370e705c121SKalle Valo static void iwl_mvm_async_handlers_wk(struct work_struct *wk); 371e705c121SKalle Valo static void iwl_mvm_d0i3_exit_work(struct work_struct *wk); 372e705c121SKalle Valo 373e705c121SKalle Valo static u32 calc_min_backoff(struct iwl_trans *trans, const struct iwl_cfg *cfg) 374e705c121SKalle Valo { 375e705c121SKalle Valo const struct iwl_pwr_tx_backoff *pwr_tx_backoff = cfg->pwr_tx_backoffs; 376e705c121SKalle Valo 377e705c121SKalle Valo if (!pwr_tx_backoff) 378e705c121SKalle Valo return 0; 379e705c121SKalle Valo 380e705c121SKalle Valo while (pwr_tx_backoff->pwr) { 381e705c121SKalle Valo if (trans->dflt_pwr_limit >= pwr_tx_backoff->pwr) 382e705c121SKalle Valo return pwr_tx_backoff->backoff; 383e705c121SKalle Valo 384e705c121SKalle Valo pwr_tx_backoff++; 385e705c121SKalle Valo } 386e705c121SKalle Valo 387e705c121SKalle Valo return 0; 388e705c121SKalle Valo } 389e705c121SKalle Valo 390e705c121SKalle Valo static void iwl_mvm_fw_error_dump_wk(struct work_struct *work); 391e705c121SKalle Valo 392e705c121SKalle Valo static struct iwl_op_mode * 393e705c121SKalle Valo iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, 394e705c121SKalle Valo const struct iwl_fw *fw, struct dentry *dbgfs_dir) 395e705c121SKalle Valo { 396e705c121SKalle Valo struct ieee80211_hw *hw; 397e705c121SKalle Valo struct iwl_op_mode *op_mode; 398e705c121SKalle Valo struct iwl_mvm *mvm; 399e705c121SKalle Valo struct iwl_trans_config trans_cfg = {}; 400e705c121SKalle Valo static const u8 no_reclaim_cmds[] = { 401e705c121SKalle Valo TX_CMD, 402e705c121SKalle Valo }; 403e705c121SKalle Valo int err, scan_size; 404e705c121SKalle Valo u32 min_backoff; 405e705c121SKalle Valo 406e705c121SKalle Valo /* 407e705c121SKalle Valo * We use IWL_MVM_STATION_COUNT to check the validity of the station 408e705c121SKalle Valo * index all over the driver - check that its value corresponds to the 409e705c121SKalle Valo * array size. 410e705c121SKalle Valo */ 411e705c121SKalle Valo BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT); 412e705c121SKalle Valo 413e705c121SKalle Valo /******************************** 414e705c121SKalle Valo * 1. Allocating and configuring HW data 415e705c121SKalle Valo ********************************/ 416e705c121SKalle Valo hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + 417e705c121SKalle Valo sizeof(struct iwl_mvm), 418e705c121SKalle Valo &iwl_mvm_hw_ops); 419e705c121SKalle Valo if (!hw) 420e705c121SKalle Valo return NULL; 421e705c121SKalle Valo 422e705c121SKalle Valo if (cfg->max_rx_agg_size) 423e705c121SKalle Valo hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size; 424e705c121SKalle Valo 425e705c121SKalle Valo if (cfg->max_tx_agg_size) 426e705c121SKalle Valo hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; 427e705c121SKalle Valo 428e705c121SKalle Valo op_mode = hw->priv; 429e705c121SKalle Valo 430e705c121SKalle Valo mvm = IWL_OP_MODE_GET_MVM(op_mode); 431e705c121SKalle Valo mvm->dev = trans->dev; 432e705c121SKalle Valo mvm->trans = trans; 433e705c121SKalle Valo mvm->cfg = cfg; 434e705c121SKalle Valo mvm->fw = fw; 435e705c121SKalle Valo mvm->hw = hw; 436e705c121SKalle Valo 437e705c121SKalle Valo if (iwl_mvm_has_new_rx_api(mvm)) { 438e705c121SKalle Valo op_mode->ops = &iwl_mvm_ops_mq; 439e705c121SKalle Valo } else { 440e705c121SKalle Valo op_mode->ops = &iwl_mvm_ops; 441e705c121SKalle Valo 442e705c121SKalle Valo if (WARN_ON(trans->num_rx_queues > 1)) 443e705c121SKalle Valo goto out_free; 444e705c121SKalle Valo } 445e705c121SKalle Valo 446e705c121SKalle Valo mvm->restart_fw = iwlwifi_mod_params.restart_fw ? -1 : 0; 447e705c121SKalle Valo 448e705c121SKalle Valo mvm->aux_queue = 15; 449e705c121SKalle Valo mvm->first_agg_queue = 16; 450e705c121SKalle Valo mvm->last_agg_queue = mvm->cfg->base_params->num_of_queues - 1; 451e705c121SKalle Valo if (mvm->cfg->base_params->num_of_queues == 16) { 452e705c121SKalle Valo mvm->aux_queue = 11; 453e705c121SKalle Valo mvm->first_agg_queue = 12; 454e705c121SKalle Valo } 455e705c121SKalle Valo mvm->sf_state = SF_UNINIT; 456e705c121SKalle Valo mvm->cur_ucode = IWL_UCODE_INIT; 457e705c121SKalle Valo 458e705c121SKalle Valo mutex_init(&mvm->mutex); 459e705c121SKalle Valo mutex_init(&mvm->d0i3_suspend_mutex); 460e705c121SKalle Valo spin_lock_init(&mvm->async_handlers_lock); 461e705c121SKalle Valo INIT_LIST_HEAD(&mvm->time_event_list); 462e705c121SKalle Valo INIT_LIST_HEAD(&mvm->aux_roc_te_list); 463e705c121SKalle Valo INIT_LIST_HEAD(&mvm->async_handlers_list); 464e705c121SKalle Valo spin_lock_init(&mvm->time_event_lock); 465e705c121SKalle Valo spin_lock_init(&mvm->queue_info_lock); 466e705c121SKalle Valo 467e705c121SKalle Valo INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); 468e705c121SKalle Valo INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); 469e705c121SKalle Valo INIT_WORK(&mvm->sta_drained_wk, iwl_mvm_sta_drained_wk); 470e705c121SKalle Valo INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work); 471e705c121SKalle Valo INIT_DELAYED_WORK(&mvm->fw_dump_wk, iwl_mvm_fw_error_dump_wk); 472e705c121SKalle Valo INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); 473e705c121SKalle Valo 474e705c121SKalle Valo spin_lock_init(&mvm->d0i3_tx_lock); 475e705c121SKalle Valo spin_lock_init(&mvm->refs_lock); 476e705c121SKalle Valo skb_queue_head_init(&mvm->d0i3_tx); 477e705c121SKalle Valo init_waitqueue_head(&mvm->d0i3_exit_waitq); 478e705c121SKalle Valo 479e705c121SKalle Valo SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); 480e705c121SKalle Valo 481e705c121SKalle Valo /* 482e705c121SKalle Valo * Populate the state variables that the transport layer needs 483e705c121SKalle Valo * to know about. 484e705c121SKalle Valo */ 485e705c121SKalle Valo trans_cfg.op_mode = op_mode; 486e705c121SKalle Valo trans_cfg.no_reclaim_cmds = no_reclaim_cmds; 487e705c121SKalle Valo trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); 4886c4fbcbcSEmmanuel Grumbach switch (iwlwifi_mod_params.amsdu_size) { 4896c4fbcbcSEmmanuel Grumbach case IWL_AMSDU_4K: 4906c4fbcbcSEmmanuel Grumbach trans_cfg.rx_buf_size = IWL_AMSDU_4K; 4916c4fbcbcSEmmanuel Grumbach break; 4926c4fbcbcSEmmanuel Grumbach case IWL_AMSDU_8K: 4936c4fbcbcSEmmanuel Grumbach trans_cfg.rx_buf_size = IWL_AMSDU_8K; 4946c4fbcbcSEmmanuel Grumbach break; 4956c4fbcbcSEmmanuel Grumbach case IWL_AMSDU_12K: 4966c4fbcbcSEmmanuel Grumbach trans_cfg.rx_buf_size = IWL_AMSDU_12K; 4976c4fbcbcSEmmanuel Grumbach break; 4986c4fbcbcSEmmanuel Grumbach default: 4996c4fbcbcSEmmanuel Grumbach pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME, 5006c4fbcbcSEmmanuel Grumbach iwlwifi_mod_params.amsdu_size); 5016c4fbcbcSEmmanuel Grumbach trans_cfg.rx_buf_size = IWL_AMSDU_4K; 5026c4fbcbcSEmmanuel Grumbach } 503e705c121SKalle Valo trans_cfg.wide_cmd_header = fw_has_api(&mvm->fw->ucode_capa, 504e705c121SKalle Valo IWL_UCODE_TLV_API_WIDE_CMD_HDR); 505e705c121SKalle Valo 506e705c121SKalle Valo if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DW_BC_TABLE) 507e705c121SKalle Valo trans_cfg.bc_table_dword = true; 508e705c121SKalle Valo 509e705c121SKalle Valo trans_cfg.command_names = iwl_mvm_cmd_strings; 510e705c121SKalle Valo 511e705c121SKalle Valo trans_cfg.cmd_queue = IWL_MVM_CMD_QUEUE; 512e705c121SKalle Valo trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; 513e705c121SKalle Valo trans_cfg.scd_set_active = true; 514e705c121SKalle Valo 515e705c121SKalle Valo trans_cfg.sdio_adma_addr = fw->sdio_adma_addr; 516e705c121SKalle Valo 517e705c121SKalle Valo /* Set a short watchdog for the command queue */ 518e705c121SKalle Valo trans_cfg.cmd_q_wdg_timeout = 519e705c121SKalle Valo iwl_mvm_get_wd_timeout(mvm, NULL, false, true); 520e705c121SKalle Valo 521e705c121SKalle Valo snprintf(mvm->hw->wiphy->fw_version, 522e705c121SKalle Valo sizeof(mvm->hw->wiphy->fw_version), 523e705c121SKalle Valo "%s", fw->fw_version); 524e705c121SKalle Valo 525e705c121SKalle Valo /* Configure transport layer */ 526e705c121SKalle Valo iwl_trans_configure(mvm->trans, &trans_cfg); 527e705c121SKalle Valo 528e705c121SKalle Valo trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; 529e705c121SKalle Valo trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_res_start); 530e705c121SKalle Valo trans->dbg_dest_tlv = mvm->fw->dbg_dest_tlv; 531e705c121SKalle Valo trans->dbg_dest_reg_num = mvm->fw->dbg_dest_reg_num; 532e705c121SKalle Valo memcpy(trans->dbg_conf_tlv, mvm->fw->dbg_conf_tlv, 533e705c121SKalle Valo sizeof(trans->dbg_conf_tlv)); 534e705c121SKalle Valo trans->dbg_trigger_tlv = mvm->fw->dbg_trigger_tlv; 535e705c121SKalle Valo 536e705c121SKalle Valo /* set up notification wait support */ 537e705c121SKalle Valo iwl_notification_wait_init(&mvm->notif_wait); 538e705c121SKalle Valo 539e705c121SKalle Valo /* Init phy db */ 540e705c121SKalle Valo mvm->phy_db = iwl_phy_db_init(trans); 541e705c121SKalle Valo if (!mvm->phy_db) { 542e705c121SKalle Valo IWL_ERR(mvm, "Cannot init phy_db\n"); 543e705c121SKalle Valo goto out_free; 544e705c121SKalle Valo } 545e705c121SKalle Valo 546e705c121SKalle Valo IWL_INFO(mvm, "Detected %s, REV=0x%X\n", 547e705c121SKalle Valo mvm->cfg->name, mvm->trans->hw_rev); 548e705c121SKalle Valo 549e705c121SKalle Valo min_backoff = calc_min_backoff(trans, cfg); 550e705c121SKalle Valo iwl_mvm_tt_initialize(mvm, min_backoff); 551e705c121SKalle Valo 552e705c121SKalle Valo if (iwlwifi_mod_params.nvm_file) 553e705c121SKalle Valo mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; 554e705c121SKalle Valo else 555e705c121SKalle Valo IWL_DEBUG_EEPROM(mvm->trans->dev, 556e705c121SKalle Valo "working without external nvm file\n"); 557e705c121SKalle Valo 558e705c121SKalle Valo if (WARN(cfg->no_power_up_nic_in_init && !mvm->nvm_file_name, 559e705c121SKalle Valo "not allowing power-up and not having nvm_file\n")) 560e705c121SKalle Valo goto out_free; 561e705c121SKalle Valo 562e705c121SKalle Valo /* 563e705c121SKalle Valo * Even if nvm exists in the nvm_file driver should read again the nvm 564e705c121SKalle Valo * from the nic because there might be entries that exist in the OTP 565e705c121SKalle Valo * and not in the file. 566e705c121SKalle Valo * for nics with no_power_up_nic_in_init: rely completley on nvm_file 567e705c121SKalle Valo */ 568e705c121SKalle Valo if (cfg->no_power_up_nic_in_init && mvm->nvm_file_name) { 569e705c121SKalle Valo err = iwl_nvm_init(mvm, false); 570e705c121SKalle Valo if (err) 571e705c121SKalle Valo goto out_free; 572e705c121SKalle Valo } else { 573e705c121SKalle Valo err = iwl_trans_start_hw(mvm->trans); 574e705c121SKalle Valo if (err) 575e705c121SKalle Valo goto out_free; 576e705c121SKalle Valo 577e705c121SKalle Valo mutex_lock(&mvm->mutex); 578e705c121SKalle Valo err = iwl_run_init_mvm_ucode(mvm, true); 579e705c121SKalle Valo if (!err || !iwlmvm_mod_params.init_dbg) 580e705c121SKalle Valo iwl_trans_stop_device(trans); 581e705c121SKalle Valo mutex_unlock(&mvm->mutex); 582e705c121SKalle Valo /* returns 0 if successful, 1 if success but in rfkill */ 583e705c121SKalle Valo if (err < 0 && !iwlmvm_mod_params.init_dbg) { 584e705c121SKalle Valo IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err); 585e705c121SKalle Valo goto out_free; 586e705c121SKalle Valo } 587e705c121SKalle Valo } 588e705c121SKalle Valo 589e705c121SKalle Valo scan_size = iwl_mvm_scan_size(mvm); 590e705c121SKalle Valo 591e705c121SKalle Valo mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); 592e705c121SKalle Valo if (!mvm->scan_cmd) 593e705c121SKalle Valo goto out_free; 594e705c121SKalle Valo 595e705c121SKalle Valo /* Set EBS as successful as long as not stated otherwise by the FW. */ 596e705c121SKalle Valo mvm->last_ebs_successful = true; 597e705c121SKalle Valo 598e705c121SKalle Valo err = iwl_mvm_mac_setup_register(mvm); 599e705c121SKalle Valo if (err) 600e705c121SKalle Valo goto out_free; 601e705c121SKalle Valo 602e705c121SKalle Valo err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir); 603e705c121SKalle Valo if (err) 604e705c121SKalle Valo goto out_unregister; 605e705c121SKalle Valo 606e705c121SKalle Valo memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); 607e705c121SKalle Valo 608e705c121SKalle Valo /* rpm starts with a taken ref. only set the appropriate bit here. */ 609e705c121SKalle Valo mvm->refs[IWL_MVM_REF_UCODE_DOWN] = 1; 610e705c121SKalle Valo 611e705c121SKalle Valo iwl_mvm_tof_init(mvm); 612e705c121SKalle Valo 613e705c121SKalle Valo return op_mode; 614e705c121SKalle Valo 615e705c121SKalle Valo out_unregister: 616e705c121SKalle Valo ieee80211_unregister_hw(mvm->hw); 617e705c121SKalle Valo iwl_mvm_leds_exit(mvm); 618e705c121SKalle Valo out_free: 619e705c121SKalle Valo flush_delayed_work(&mvm->fw_dump_wk); 620e705c121SKalle Valo iwl_phy_db_free(mvm->phy_db); 621e705c121SKalle Valo kfree(mvm->scan_cmd); 622e705c121SKalle Valo if (!cfg->no_power_up_nic_in_init || !mvm->nvm_file_name) 623e705c121SKalle Valo iwl_trans_op_mode_leave(trans); 624e705c121SKalle Valo ieee80211_free_hw(mvm->hw); 625e705c121SKalle Valo return NULL; 626e705c121SKalle Valo } 627e705c121SKalle Valo 628e705c121SKalle Valo static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) 629e705c121SKalle Valo { 630e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 631e705c121SKalle Valo int i; 632e705c121SKalle Valo 633e705c121SKalle Valo iwl_mvm_leds_exit(mvm); 634e705c121SKalle Valo 635e705c121SKalle Valo iwl_mvm_tt_exit(mvm); 636e705c121SKalle Valo 637e705c121SKalle Valo ieee80211_unregister_hw(mvm->hw); 638e705c121SKalle Valo 639e705c121SKalle Valo kfree(mvm->scan_cmd); 640e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 641e705c121SKalle Valo mvm->mcast_filter_cmd = NULL; 642e705c121SKalle Valo 643e705c121SKalle Valo #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS) 644e705c121SKalle Valo kfree(mvm->d3_resume_sram); 645e705c121SKalle Valo #endif 646e705c121SKalle Valo 647e705c121SKalle Valo iwl_trans_op_mode_leave(mvm->trans); 648e705c121SKalle Valo 649e705c121SKalle Valo iwl_phy_db_free(mvm->phy_db); 650e705c121SKalle Valo mvm->phy_db = NULL; 651e705c121SKalle Valo 652e705c121SKalle Valo iwl_free_nvm_data(mvm->nvm_data); 653e705c121SKalle Valo for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) 654e705c121SKalle Valo kfree(mvm->nvm_sections[i].data); 655e705c121SKalle Valo 656e705c121SKalle Valo iwl_mvm_tof_clean(mvm); 657e705c121SKalle Valo 658e705c121SKalle Valo ieee80211_free_hw(mvm->hw); 659e705c121SKalle Valo } 660e705c121SKalle Valo 661e705c121SKalle Valo struct iwl_async_handler_entry { 662e705c121SKalle Valo struct list_head list; 663e705c121SKalle Valo struct iwl_rx_cmd_buffer rxb; 664e705c121SKalle Valo void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 665e705c121SKalle Valo }; 666e705c121SKalle Valo 667e705c121SKalle Valo void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) 668e705c121SKalle Valo { 669e705c121SKalle Valo struct iwl_async_handler_entry *entry, *tmp; 670e705c121SKalle Valo 671e705c121SKalle Valo spin_lock_bh(&mvm->async_handlers_lock); 672e705c121SKalle Valo list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 673e705c121SKalle Valo iwl_free_rxb(&entry->rxb); 674e705c121SKalle Valo list_del(&entry->list); 675e705c121SKalle Valo kfree(entry); 676e705c121SKalle Valo } 677e705c121SKalle Valo spin_unlock_bh(&mvm->async_handlers_lock); 678e705c121SKalle Valo } 679e705c121SKalle Valo 680e705c121SKalle Valo static void iwl_mvm_async_handlers_wk(struct work_struct *wk) 681e705c121SKalle Valo { 682e705c121SKalle Valo struct iwl_mvm *mvm = 683e705c121SKalle Valo container_of(wk, struct iwl_mvm, async_handlers_wk); 684e705c121SKalle Valo struct iwl_async_handler_entry *entry, *tmp; 685e705c121SKalle Valo struct list_head local_list; 686e705c121SKalle Valo 687e705c121SKalle Valo INIT_LIST_HEAD(&local_list); 688e705c121SKalle Valo 689e705c121SKalle Valo /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */ 690e705c121SKalle Valo mutex_lock(&mvm->mutex); 691e705c121SKalle Valo 692e705c121SKalle Valo /* 693e705c121SKalle Valo * Sync with Rx path with a lock. Remove all the entries from this list, 694e705c121SKalle Valo * add them to a local one (lock free), and then handle them. 695e705c121SKalle Valo */ 696e705c121SKalle Valo spin_lock_bh(&mvm->async_handlers_lock); 697e705c121SKalle Valo list_splice_init(&mvm->async_handlers_list, &local_list); 698e705c121SKalle Valo spin_unlock_bh(&mvm->async_handlers_lock); 699e705c121SKalle Valo 700e705c121SKalle Valo list_for_each_entry_safe(entry, tmp, &local_list, list) { 701e705c121SKalle Valo entry->fn(mvm, &entry->rxb); 702e705c121SKalle Valo iwl_free_rxb(&entry->rxb); 703e705c121SKalle Valo list_del(&entry->list); 704e705c121SKalle Valo kfree(entry); 705e705c121SKalle Valo } 706e705c121SKalle Valo mutex_unlock(&mvm->mutex); 707e705c121SKalle Valo } 708e705c121SKalle Valo 709e705c121SKalle Valo static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, 710e705c121SKalle Valo struct iwl_rx_packet *pkt) 711e705c121SKalle Valo { 712e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 713e705c121SKalle Valo struct iwl_fw_dbg_trigger_cmd *cmds_trig; 714e705c121SKalle Valo int i; 715e705c121SKalle Valo 716e705c121SKalle Valo if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF)) 717e705c121SKalle Valo return; 718e705c121SKalle Valo 719e705c121SKalle Valo trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF); 720e705c121SKalle Valo cmds_trig = (void *)trig->data; 721e705c121SKalle Valo 722e705c121SKalle Valo if (!iwl_fw_dbg_trigger_check_stop(mvm, NULL, trig)) 723e705c121SKalle Valo return; 724e705c121SKalle Valo 725e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) { 726e705c121SKalle Valo /* don't collect on CMD 0 */ 727e705c121SKalle Valo if (!cmds_trig->cmds[i].cmd_id) 728e705c121SKalle Valo break; 729e705c121SKalle Valo 730e705c121SKalle Valo if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || 731e705c121SKalle Valo cmds_trig->cmds[i].group_id != pkt->hdr.group_id) 732e705c121SKalle Valo continue; 733e705c121SKalle Valo 734e705c121SKalle Valo iwl_mvm_fw_dbg_collect_trig(mvm, trig, 735e705c121SKalle Valo "CMD 0x%02x.%02x received", 736e705c121SKalle Valo pkt->hdr.group_id, pkt->hdr.cmd); 737e705c121SKalle Valo break; 738e705c121SKalle Valo } 739e705c121SKalle Valo } 740e705c121SKalle Valo 741e705c121SKalle Valo static void iwl_mvm_rx_common(struct iwl_mvm *mvm, 742e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb, 743e705c121SKalle Valo struct iwl_rx_packet *pkt) 744e705c121SKalle Valo { 745e705c121SKalle Valo int i; 746e705c121SKalle Valo 747e705c121SKalle Valo iwl_mvm_rx_check_trigger(mvm, pkt); 748e705c121SKalle Valo 749e705c121SKalle Valo /* 750e705c121SKalle Valo * Do the notification wait before RX handlers so 751e705c121SKalle Valo * even if the RX handler consumes the RXB we have 752e705c121SKalle Valo * access to it in the notification wait entry. 753e705c121SKalle Valo */ 754e705c121SKalle Valo iwl_notification_wait_notify(&mvm->notif_wait, pkt); 755e705c121SKalle Valo 756e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { 757e705c121SKalle Valo const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; 758e705c121SKalle Valo struct iwl_async_handler_entry *entry; 759e705c121SKalle Valo 760e705c121SKalle Valo if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) 761e705c121SKalle Valo continue; 762e705c121SKalle Valo 763e705c121SKalle Valo if (!rx_h->async) { 764e705c121SKalle Valo rx_h->fn(mvm, rxb); 765e705c121SKalle Valo return; 766e705c121SKalle Valo } 767e705c121SKalle Valo 768e705c121SKalle Valo entry = kzalloc(sizeof(*entry), GFP_ATOMIC); 769e705c121SKalle Valo /* we can't do much... */ 770e705c121SKalle Valo if (!entry) 771e705c121SKalle Valo return; 772e705c121SKalle Valo 773e705c121SKalle Valo entry->rxb._page = rxb_steal_page(rxb); 774e705c121SKalle Valo entry->rxb._offset = rxb->_offset; 775e705c121SKalle Valo entry->rxb._rx_page_order = rxb->_rx_page_order; 776e705c121SKalle Valo entry->fn = rx_h->fn; 777e705c121SKalle Valo spin_lock(&mvm->async_handlers_lock); 778e705c121SKalle Valo list_add_tail(&entry->list, &mvm->async_handlers_list); 779e705c121SKalle Valo spin_unlock(&mvm->async_handlers_lock); 780e705c121SKalle Valo schedule_work(&mvm->async_handlers_wk); 781e705c121SKalle Valo break; 782e705c121SKalle Valo } 783e705c121SKalle Valo } 784e705c121SKalle Valo 785e705c121SKalle Valo static void iwl_mvm_rx(struct iwl_op_mode *op_mode, 786e705c121SKalle Valo struct napi_struct *napi, 787e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb) 788e705c121SKalle Valo { 789e705c121SKalle Valo struct iwl_rx_packet *pkt = rxb_addr(rxb); 790e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 791e705c121SKalle Valo 792e705c121SKalle Valo if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD)) 793e705c121SKalle Valo iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); 794e705c121SKalle Valo else if (pkt->hdr.cmd == REPLY_RX_PHY_CMD) 795e705c121SKalle Valo iwl_mvm_rx_rx_phy_cmd(mvm, rxb); 796e705c121SKalle Valo else 797e705c121SKalle Valo iwl_mvm_rx_common(mvm, rxb, pkt); 798e705c121SKalle Valo } 799e705c121SKalle Valo 800e705c121SKalle Valo static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, 801e705c121SKalle Valo struct napi_struct *napi, 802e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb) 803e705c121SKalle Valo { 804e705c121SKalle Valo struct iwl_rx_packet *pkt = rxb_addr(rxb); 805e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 806e705c121SKalle Valo 807e705c121SKalle Valo if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD)) 808e705c121SKalle Valo iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); 809e705c121SKalle Valo else if (pkt->hdr.cmd == REPLY_RX_PHY_CMD) 810e705c121SKalle Valo iwl_mvm_rx_rx_phy_cmd(mvm, rxb); 811e705c121SKalle Valo else 812e705c121SKalle Valo iwl_mvm_rx_common(mvm, rxb, pkt); 813e705c121SKalle Valo } 814e705c121SKalle Valo 815e705c121SKalle Valo static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int queue) 816e705c121SKalle Valo { 817e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 818e705c121SKalle Valo unsigned long mq; 819e705c121SKalle Valo int q; 820e705c121SKalle Valo 821e705c121SKalle Valo spin_lock_bh(&mvm->queue_info_lock); 822e705c121SKalle Valo mq = mvm->queue_info[queue].hw_queue_to_mac80211; 823e705c121SKalle Valo spin_unlock_bh(&mvm->queue_info_lock); 824e705c121SKalle Valo 825e705c121SKalle Valo if (WARN_ON_ONCE(!mq)) 826e705c121SKalle Valo return; 827e705c121SKalle Valo 828e705c121SKalle Valo for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) { 829e705c121SKalle Valo if (atomic_inc_return(&mvm->mac80211_queue_stop_count[q]) > 1) { 830e705c121SKalle Valo IWL_DEBUG_TX_QUEUES(mvm, 831e705c121SKalle Valo "queue %d (mac80211 %d) already stopped\n", 832e705c121SKalle Valo queue, q); 833e705c121SKalle Valo continue; 834e705c121SKalle Valo } 835e705c121SKalle Valo 836e705c121SKalle Valo ieee80211_stop_queue(mvm->hw, q); 837e705c121SKalle Valo } 838e705c121SKalle Valo } 839e705c121SKalle Valo 840e705c121SKalle Valo static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int queue) 841e705c121SKalle Valo { 842e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 843e705c121SKalle Valo unsigned long mq; 844e705c121SKalle Valo int q; 845e705c121SKalle Valo 846e705c121SKalle Valo spin_lock_bh(&mvm->queue_info_lock); 847e705c121SKalle Valo mq = mvm->queue_info[queue].hw_queue_to_mac80211; 848e705c121SKalle Valo spin_unlock_bh(&mvm->queue_info_lock); 849e705c121SKalle Valo 850e705c121SKalle Valo if (WARN_ON_ONCE(!mq)) 851e705c121SKalle Valo return; 852e705c121SKalle Valo 853e705c121SKalle Valo for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) { 854e705c121SKalle Valo if (atomic_dec_return(&mvm->mac80211_queue_stop_count[q]) > 0) { 855e705c121SKalle Valo IWL_DEBUG_TX_QUEUES(mvm, 856e705c121SKalle Valo "queue %d (mac80211 %d) still stopped\n", 857e705c121SKalle Valo queue, q); 858e705c121SKalle Valo continue; 859e705c121SKalle Valo } 860e705c121SKalle Valo 861e705c121SKalle Valo ieee80211_wake_queue(mvm->hw, q); 862e705c121SKalle Valo } 863e705c121SKalle Valo } 864e705c121SKalle Valo 865e705c121SKalle Valo void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) 866e705c121SKalle Valo { 867e705c121SKalle Valo if (state) 868e705c121SKalle Valo set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 869e705c121SKalle Valo else 870e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 871e705c121SKalle Valo 872e705c121SKalle Valo wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm)); 873e705c121SKalle Valo } 874e705c121SKalle Valo 875e705c121SKalle Valo static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) 876e705c121SKalle Valo { 877e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 878e705c121SKalle Valo bool calibrating = ACCESS_ONCE(mvm->calibrating); 879e705c121SKalle Valo 880e705c121SKalle Valo if (state) 881e705c121SKalle Valo set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 882e705c121SKalle Valo else 883e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 884e705c121SKalle Valo 885e705c121SKalle Valo wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm)); 886e705c121SKalle Valo 887e705c121SKalle Valo /* iwl_run_init_mvm_ucode is waiting for results, abort it */ 888e705c121SKalle Valo if (calibrating) 889e705c121SKalle Valo iwl_abort_notification_waits(&mvm->notif_wait); 890e705c121SKalle Valo 891e705c121SKalle Valo /* 892e705c121SKalle Valo * Stop the device if we run OPERATIONAL firmware or if we are in the 893e705c121SKalle Valo * middle of the calibrations. 894e705c121SKalle Valo */ 895e705c121SKalle Valo return state && (mvm->cur_ucode != IWL_UCODE_INIT || calibrating); 896e705c121SKalle Valo } 897e705c121SKalle Valo 898e705c121SKalle Valo static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) 899e705c121SKalle Valo { 900e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 901e705c121SKalle Valo struct ieee80211_tx_info *info; 902e705c121SKalle Valo 903e705c121SKalle Valo info = IEEE80211_SKB_CB(skb); 904e705c121SKalle Valo iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); 905e705c121SKalle Valo ieee80211_free_txskb(mvm->hw, skb); 906e705c121SKalle Valo } 907e705c121SKalle Valo 908e705c121SKalle Valo struct iwl_mvm_reprobe { 909e705c121SKalle Valo struct device *dev; 910e705c121SKalle Valo struct work_struct work; 911e705c121SKalle Valo }; 912e705c121SKalle Valo 913e705c121SKalle Valo static void iwl_mvm_reprobe_wk(struct work_struct *wk) 914e705c121SKalle Valo { 915e705c121SKalle Valo struct iwl_mvm_reprobe *reprobe; 916e705c121SKalle Valo 917e705c121SKalle Valo reprobe = container_of(wk, struct iwl_mvm_reprobe, work); 918e705c121SKalle Valo if (device_reprobe(reprobe->dev)) 919e705c121SKalle Valo dev_err(reprobe->dev, "reprobe failed!\n"); 920e705c121SKalle Valo kfree(reprobe); 921e705c121SKalle Valo module_put(THIS_MODULE); 922e705c121SKalle Valo } 923e705c121SKalle Valo 924e705c121SKalle Valo static void iwl_mvm_fw_error_dump_wk(struct work_struct *work) 925e705c121SKalle Valo { 926e705c121SKalle Valo struct iwl_mvm *mvm = 927e705c121SKalle Valo container_of(work, struct iwl_mvm, fw_dump_wk.work); 928e705c121SKalle Valo 929e705c121SKalle Valo if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_FW_DBG_COLLECT)) 930e705c121SKalle Valo return; 931e705c121SKalle Valo 932e705c121SKalle Valo mutex_lock(&mvm->mutex); 933e705c121SKalle Valo 934e705c121SKalle Valo /* stop recording */ 935e705c121SKalle Valo if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) { 936e705c121SKalle Valo iwl_set_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100); 937e705c121SKalle Valo } else { 938e705c121SKalle Valo iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, 0); 939e705c121SKalle Valo /* wait before we collect the data till the DBGC stop */ 940e705c121SKalle Valo udelay(100); 941e705c121SKalle Valo } 942e705c121SKalle Valo 943e705c121SKalle Valo iwl_mvm_fw_error_dump(mvm); 944e705c121SKalle Valo 945e705c121SKalle Valo /* start recording again if the firmware is not crashed */ 946e705c121SKalle Valo WARN_ON_ONCE((!test_bit(STATUS_FW_ERROR, &mvm->trans->status)) && 947e705c121SKalle Valo mvm->fw->dbg_dest_tlv && 948e705c121SKalle Valo iwl_mvm_start_fw_dbg_conf(mvm, mvm->fw_dbg_conf)); 949e705c121SKalle Valo 950e705c121SKalle Valo mutex_unlock(&mvm->mutex); 951e705c121SKalle Valo 952e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT); 953e705c121SKalle Valo } 954e705c121SKalle Valo 955e705c121SKalle Valo void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) 956e705c121SKalle Valo { 957e705c121SKalle Valo iwl_abort_notification_waits(&mvm->notif_wait); 958e705c121SKalle Valo 959e705c121SKalle Valo /* 960e705c121SKalle Valo * This is a bit racy, but worst case we tell mac80211 about 961e705c121SKalle Valo * a stopped/aborted scan when that was already done which 962e705c121SKalle Valo * is not a problem. It is necessary to abort any os scan 963e705c121SKalle Valo * here because mac80211 requires having the scan cleared 964e705c121SKalle Valo * before restarting. 965e705c121SKalle Valo * We'll reset the scan_status to NONE in restart cleanup in 966e705c121SKalle Valo * the next start() call from mac80211. If restart isn't called 967e705c121SKalle Valo * (no fw restart) scan status will stay busy. 968e705c121SKalle Valo */ 969e705c121SKalle Valo iwl_mvm_report_scan_aborted(mvm); 970e705c121SKalle Valo 971e705c121SKalle Valo /* 972e705c121SKalle Valo * If we're restarting already, don't cycle restarts. 973e705c121SKalle Valo * If INIT fw asserted, it will likely fail again. 974e705c121SKalle Valo * If WoWLAN fw asserted, don't restart either, mac80211 975e705c121SKalle Valo * can't recover this since we're already half suspended. 976e705c121SKalle Valo */ 977e705c121SKalle Valo if (!mvm->restart_fw && fw_error) { 978e705c121SKalle Valo iwl_mvm_fw_dbg_collect_desc(mvm, &iwl_mvm_dump_desc_assert, 979e705c121SKalle Valo NULL); 980e705c121SKalle Valo } else if (test_and_set_bit(IWL_MVM_STATUS_IN_HW_RESTART, 981e705c121SKalle Valo &mvm->status)) { 982e705c121SKalle Valo struct iwl_mvm_reprobe *reprobe; 983e705c121SKalle Valo 984e705c121SKalle Valo IWL_ERR(mvm, 985e705c121SKalle Valo "Firmware error during reconfiguration - reprobe!\n"); 986e705c121SKalle Valo 987e705c121SKalle Valo /* 988e705c121SKalle Valo * get a module reference to avoid doing this while unloading 989e705c121SKalle Valo * anyway and to avoid scheduling a work with code that's 990e705c121SKalle Valo * being removed. 991e705c121SKalle Valo */ 992e705c121SKalle Valo if (!try_module_get(THIS_MODULE)) { 993e705c121SKalle Valo IWL_ERR(mvm, "Module is being unloaded - abort\n"); 994e705c121SKalle Valo return; 995e705c121SKalle Valo } 996e705c121SKalle Valo 997e705c121SKalle Valo reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC); 998e705c121SKalle Valo if (!reprobe) { 999e705c121SKalle Valo module_put(THIS_MODULE); 1000e705c121SKalle Valo return; 1001e705c121SKalle Valo } 1002e705c121SKalle Valo reprobe->dev = mvm->trans->dev; 1003e705c121SKalle Valo INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk); 1004e705c121SKalle Valo schedule_work(&reprobe->work); 1005e705c121SKalle Valo } else if (mvm->cur_ucode == IWL_UCODE_REGULAR) { 1006e705c121SKalle Valo /* don't let the transport/FW power down */ 1007e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); 1008e705c121SKalle Valo 1009e705c121SKalle Valo if (fw_error && mvm->restart_fw > 0) 1010e705c121SKalle Valo mvm->restart_fw--; 1011e705c121SKalle Valo ieee80211_restart_hw(mvm->hw); 1012e705c121SKalle Valo } 1013e705c121SKalle Valo } 1014e705c121SKalle Valo 1015e705c121SKalle Valo static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode) 1016e705c121SKalle Valo { 1017e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1018e705c121SKalle Valo 1019e705c121SKalle Valo iwl_mvm_dump_nic_error_log(mvm); 1020e705c121SKalle Valo 1021e705c121SKalle Valo iwl_mvm_nic_restart(mvm, true); 1022e705c121SKalle Valo } 1023e705c121SKalle Valo 1024e705c121SKalle Valo static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) 1025e705c121SKalle Valo { 1026e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1027e705c121SKalle Valo 1028e705c121SKalle Valo WARN_ON(1); 1029e705c121SKalle Valo iwl_mvm_nic_restart(mvm, true); 1030e705c121SKalle Valo } 1031e705c121SKalle Valo 1032e705c121SKalle Valo struct iwl_d0i3_iter_data { 1033e705c121SKalle Valo struct iwl_mvm *mvm; 1034e705c121SKalle Valo u8 ap_sta_id; 1035e705c121SKalle Valo u8 vif_count; 1036e705c121SKalle Valo u8 offloading_tid; 1037e705c121SKalle Valo bool disable_offloading; 1038e705c121SKalle Valo }; 1039e705c121SKalle Valo 1040e705c121SKalle Valo static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm, 1041e705c121SKalle Valo struct ieee80211_vif *vif, 1042e705c121SKalle Valo struct iwl_d0i3_iter_data *iter_data) 1043e705c121SKalle Valo { 1044e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1045e705c121SKalle Valo struct ieee80211_sta *ap_sta; 1046e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 1047e705c121SKalle Valo u32 available_tids = 0; 1048e705c121SKalle Valo u8 tid; 1049e705c121SKalle Valo 1050e705c121SKalle Valo if (WARN_ON(vif->type != NL80211_IFTYPE_STATION || 1051e705c121SKalle Valo mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)) 1052e705c121SKalle Valo return false; 1053e705c121SKalle Valo 1054e705c121SKalle Valo ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id]); 1055e705c121SKalle Valo if (IS_ERR_OR_NULL(ap_sta)) 1056e705c121SKalle Valo return false; 1057e705c121SKalle Valo 1058e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(ap_sta); 1059e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 1060e705c121SKalle Valo for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 1061e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 1062e705c121SKalle Valo 1063e705c121SKalle Valo /* 1064e705c121SKalle Valo * in case of pending tx packets, don't use this tid 1065e705c121SKalle Valo * for offloading in order to prevent reuse of the same 1066e705c121SKalle Valo * qos seq counters. 1067e705c121SKalle Valo */ 1068e705c121SKalle Valo if (iwl_mvm_tid_queued(tid_data)) 1069e705c121SKalle Valo continue; 1070e705c121SKalle Valo 1071e705c121SKalle Valo if (tid_data->state != IWL_AGG_OFF) 1072e705c121SKalle Valo continue; 1073e705c121SKalle Valo 1074e705c121SKalle Valo available_tids |= BIT(tid); 1075e705c121SKalle Valo } 1076e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 1077e705c121SKalle Valo 1078e705c121SKalle Valo /* 1079e705c121SKalle Valo * disallow protocol offloading if we have no available tid 1080e705c121SKalle Valo * (with no pending frames and no active aggregation, 1081e705c121SKalle Valo * as we don't handle "holes" properly - the scheduler needs the 1082e705c121SKalle Valo * frame's seq number and TFD index to match) 1083e705c121SKalle Valo */ 1084e705c121SKalle Valo if (!available_tids) 1085e705c121SKalle Valo return true; 1086e705c121SKalle Valo 1087e705c121SKalle Valo /* for simplicity, just use the first available tid */ 1088e705c121SKalle Valo iter_data->offloading_tid = ffs(available_tids) - 1; 1089e705c121SKalle Valo return false; 1090e705c121SKalle Valo } 1091e705c121SKalle Valo 1092e705c121SKalle Valo static void iwl_mvm_enter_d0i3_iterator(void *_data, u8 *mac, 1093e705c121SKalle Valo struct ieee80211_vif *vif) 1094e705c121SKalle Valo { 1095e705c121SKalle Valo struct iwl_d0i3_iter_data *data = _data; 1096e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1097e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1098e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE; 1099e705c121SKalle Valo 1100e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "entering D0i3 - vif %pM\n", vif->addr); 1101e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1102e705c121SKalle Valo !vif->bss_conf.assoc) 1103e705c121SKalle Valo return; 1104e705c121SKalle Valo 1105e705c121SKalle Valo /* 1106e705c121SKalle Valo * in case of pending tx packets or active aggregations, 1107e705c121SKalle Valo * avoid offloading features in order to prevent reuse of 1108e705c121SKalle Valo * the same qos seq counters. 1109e705c121SKalle Valo */ 1110e705c121SKalle Valo if (iwl_mvm_disallow_offloading(mvm, vif, data)) 1111e705c121SKalle Valo data->disable_offloading = true; 1112e705c121SKalle Valo 1113e705c121SKalle Valo iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags); 1114e705c121SKalle Valo iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading, flags); 1115e705c121SKalle Valo 1116e705c121SKalle Valo /* 1117e705c121SKalle Valo * on init/association, mvm already configures POWER_TABLE_CMD 1118e705c121SKalle Valo * and REPLY_MCAST_FILTER_CMD, so currently don't 1119e705c121SKalle Valo * reconfigure them (we might want to use different 1120e705c121SKalle Valo * params later on, though). 1121e705c121SKalle Valo */ 1122e705c121SKalle Valo data->ap_sta_id = mvmvif->ap_sta_id; 1123e705c121SKalle Valo data->vif_count++; 1124e705c121SKalle Valo } 1125e705c121SKalle Valo 1126e705c121SKalle Valo static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm, 1127e705c121SKalle Valo struct iwl_wowlan_config_cmd *cmd, 1128e705c121SKalle Valo struct iwl_d0i3_iter_data *iter_data) 1129e705c121SKalle Valo { 1130e705c121SKalle Valo struct ieee80211_sta *ap_sta; 1131e705c121SKalle Valo struct iwl_mvm_sta *mvm_ap_sta; 1132e705c121SKalle Valo 1133e705c121SKalle Valo if (iter_data->ap_sta_id == IWL_MVM_STATION_COUNT) 1134e705c121SKalle Valo return; 1135e705c121SKalle Valo 1136e705c121SKalle Valo rcu_read_lock(); 1137e705c121SKalle Valo 1138e705c121SKalle Valo ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[iter_data->ap_sta_id]); 1139e705c121SKalle Valo if (IS_ERR_OR_NULL(ap_sta)) 1140e705c121SKalle Valo goto out; 1141e705c121SKalle Valo 1142e705c121SKalle Valo mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta); 1143e705c121SKalle Valo cmd->is_11n_connection = ap_sta->ht_cap.ht_supported; 1144e705c121SKalle Valo cmd->offloading_tid = iter_data->offloading_tid; 1145e705c121SKalle Valo 1146e705c121SKalle Valo /* 1147e705c121SKalle Valo * The d0i3 uCode takes care of the nonqos counters, 1148e705c121SKalle Valo * so configure only the qos seq ones. 1149e705c121SKalle Valo */ 1150e705c121SKalle Valo iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, cmd); 1151e705c121SKalle Valo out: 1152e705c121SKalle Valo rcu_read_unlock(); 1153e705c121SKalle Valo } 1154e705c121SKalle Valo 1155e705c121SKalle Valo int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode) 1156e705c121SKalle Valo { 1157e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1158e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE; 1159e705c121SKalle Valo int ret; 1160e705c121SKalle Valo struct iwl_d0i3_iter_data d0i3_iter_data = { 1161e705c121SKalle Valo .mvm = mvm, 1162e705c121SKalle Valo }; 1163e705c121SKalle Valo struct iwl_wowlan_config_cmd wowlan_config_cmd = { 1164e705c121SKalle Valo .wakeup_filter = cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME | 1165e705c121SKalle Valo IWL_WOWLAN_WAKEUP_BEACON_MISS | 1166e705c121SKalle Valo IWL_WOWLAN_WAKEUP_LINK_CHANGE | 1167e705c121SKalle Valo IWL_WOWLAN_WAKEUP_BCN_FILTERING), 1168e705c121SKalle Valo }; 1169e705c121SKalle Valo struct iwl_d3_manager_config d3_cfg_cmd = { 1170e705c121SKalle Valo .min_sleep_time = cpu_to_le32(1000), 1171e705c121SKalle Valo .wakeup_flags = cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR), 1172e705c121SKalle Valo }; 1173e705c121SKalle Valo 1174e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n"); 1175e705c121SKalle Valo 1176e705c121SKalle Valo set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1177e705c121SKalle Valo 1178e705c121SKalle Valo /* 1179e705c121SKalle Valo * iwl_mvm_ref_sync takes a reference before checking the flag. 1180e705c121SKalle Valo * so by checking there is no held reference we prevent a state 1181e705c121SKalle Valo * in which iwl_mvm_ref_sync continues successfully while we 1182e705c121SKalle Valo * configure the firmware to enter d0i3 1183e705c121SKalle Valo */ 1184e705c121SKalle Valo if (iwl_mvm_ref_taken(mvm)) { 1185e705c121SKalle Valo IWL_DEBUG_RPM(mvm->trans, "abort d0i3 due to taken ref\n"); 1186e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1187e705c121SKalle Valo wake_up(&mvm->d0i3_exit_waitq); 1188e705c121SKalle Valo return 1; 1189e705c121SKalle Valo } 1190e705c121SKalle Valo 1191e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic(mvm->hw, 1192e705c121SKalle Valo IEEE80211_IFACE_ITER_NORMAL, 1193e705c121SKalle Valo iwl_mvm_enter_d0i3_iterator, 1194e705c121SKalle Valo &d0i3_iter_data); 1195e705c121SKalle Valo if (d0i3_iter_data.vif_count == 1) { 1196e705c121SKalle Valo mvm->d0i3_ap_sta_id = d0i3_iter_data.ap_sta_id; 1197e705c121SKalle Valo mvm->d0i3_offloading = !d0i3_iter_data.disable_offloading; 1198e705c121SKalle Valo } else { 1199e705c121SKalle Valo WARN_ON_ONCE(d0i3_iter_data.vif_count > 1); 1200e705c121SKalle Valo mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT; 1201e705c121SKalle Valo mvm->d0i3_offloading = false; 1202e705c121SKalle Valo } 1203e705c121SKalle Valo 1204e705c121SKalle Valo /* make sure we have no running tx while configuring the seqno */ 1205e705c121SKalle Valo synchronize_net(); 1206e705c121SKalle Valo 1207eb3908d3SLuca Coelho /* Flush the hw queues, in case something got queued during entry */ 1208eb3908d3SLuca Coelho ret = iwl_mvm_flush_tx_path(mvm, iwl_mvm_flushable_queues(mvm), flags); 1209eb3908d3SLuca Coelho if (ret) 1210eb3908d3SLuca Coelho return ret; 1211eb3908d3SLuca Coelho 1212e705c121SKalle Valo /* configure wowlan configuration only if needed */ 1213e705c121SKalle Valo if (mvm->d0i3_ap_sta_id != IWL_MVM_STATION_COUNT) { 1214e705c121SKalle Valo iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd, 1215e705c121SKalle Valo &d0i3_iter_data); 1216e705c121SKalle Valo 1217e705c121SKalle Valo ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags, 1218e705c121SKalle Valo sizeof(wowlan_config_cmd), 1219e705c121SKalle Valo &wowlan_config_cmd); 1220e705c121SKalle Valo if (ret) 1221e705c121SKalle Valo return ret; 1222e705c121SKalle Valo } 1223e705c121SKalle Valo 1224e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD, 1225e705c121SKalle Valo flags | CMD_MAKE_TRANS_IDLE, 1226e705c121SKalle Valo sizeof(d3_cfg_cmd), &d3_cfg_cmd); 1227e705c121SKalle Valo } 1228e705c121SKalle Valo 1229e705c121SKalle Valo static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac, 1230e705c121SKalle Valo struct ieee80211_vif *vif) 1231e705c121SKalle Valo { 1232e705c121SKalle Valo struct iwl_mvm *mvm = _data; 1233e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO; 1234e705c121SKalle Valo 1235e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "exiting D0i3 - vif %pM\n", vif->addr); 1236e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1237e705c121SKalle Valo !vif->bss_conf.assoc) 1238e705c121SKalle Valo return; 1239e705c121SKalle Valo 1240e705c121SKalle Valo iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags); 1241e705c121SKalle Valo } 1242e705c121SKalle Valo 1243e705c121SKalle Valo struct iwl_mvm_wakeup_reason_iter_data { 1244e705c121SKalle Valo struct iwl_mvm *mvm; 1245e705c121SKalle Valo u32 wakeup_reasons; 1246e705c121SKalle Valo }; 1247e705c121SKalle Valo 1248e705c121SKalle Valo static void iwl_mvm_d0i3_wakeup_reason_iter(void *_data, u8 *mac, 1249e705c121SKalle Valo struct ieee80211_vif *vif) 1250e705c121SKalle Valo { 1251e705c121SKalle Valo struct iwl_mvm_wakeup_reason_iter_data *data = _data; 1252e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1253e705c121SKalle Valo 1254e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && vif->bss_conf.assoc && 1255e705c121SKalle Valo data->mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) { 1256e705c121SKalle Valo if (data->wakeup_reasons & 1257e705c121SKalle Valo IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH) 1258e705c121SKalle Valo iwl_mvm_connection_loss(data->mvm, vif, "D0i3"); 1259e705c121SKalle Valo else 1260e705c121SKalle Valo ieee80211_beacon_loss(vif); 1261e705c121SKalle Valo } 1262e705c121SKalle Valo } 1263e705c121SKalle Valo 1264e705c121SKalle Valo void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq) 1265e705c121SKalle Valo { 1266e705c121SKalle Valo struct ieee80211_sta *sta = NULL; 1267e705c121SKalle Valo struct iwl_mvm_sta *mvm_ap_sta; 1268e705c121SKalle Valo int i; 1269e705c121SKalle Valo bool wake_queues = false; 1270e705c121SKalle Valo 1271e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1272e705c121SKalle Valo 1273e705c121SKalle Valo spin_lock_bh(&mvm->d0i3_tx_lock); 1274e705c121SKalle Valo 1275e705c121SKalle Valo if (mvm->d0i3_ap_sta_id == IWL_MVM_STATION_COUNT) 1276e705c121SKalle Valo goto out; 1277e705c121SKalle Valo 1278e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "re-enqueue packets\n"); 1279e705c121SKalle Valo 1280e705c121SKalle Valo /* get the sta in order to update seq numbers and re-enqueue skbs */ 1281e705c121SKalle Valo sta = rcu_dereference_protected( 1282e705c121SKalle Valo mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id], 1283e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 1284e705c121SKalle Valo 1285e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) { 1286e705c121SKalle Valo sta = NULL; 1287e705c121SKalle Valo goto out; 1288e705c121SKalle Valo } 1289e705c121SKalle Valo 1290e705c121SKalle Valo if (mvm->d0i3_offloading && qos_seq) { 1291e705c121SKalle Valo /* update qos seq numbers if offloading was enabled */ 1292e705c121SKalle Valo mvm_ap_sta = iwl_mvm_sta_from_mac80211(sta); 1293e705c121SKalle Valo for (i = 0; i < IWL_MAX_TID_COUNT; i++) { 1294e705c121SKalle Valo u16 seq = le16_to_cpu(qos_seq[i]); 1295e705c121SKalle Valo /* firmware stores last-used one, we store next one */ 1296e705c121SKalle Valo seq += 0x10; 1297e705c121SKalle Valo mvm_ap_sta->tid_data[i].seq_number = seq; 1298e705c121SKalle Valo } 1299e705c121SKalle Valo } 1300e705c121SKalle Valo out: 1301e705c121SKalle Valo /* re-enqueue (or drop) all packets */ 1302e705c121SKalle Valo while (!skb_queue_empty(&mvm->d0i3_tx)) { 1303e705c121SKalle Valo struct sk_buff *skb = __skb_dequeue(&mvm->d0i3_tx); 1304e705c121SKalle Valo 1305e705c121SKalle Valo if (!sta || iwl_mvm_tx_skb(mvm, skb, sta)) 1306e705c121SKalle Valo ieee80211_free_txskb(mvm->hw, skb); 1307e705c121SKalle Valo 1308e705c121SKalle Valo /* if the skb_queue is not empty, we need to wake queues */ 1309e705c121SKalle Valo wake_queues = true; 1310e705c121SKalle Valo } 1311e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1312e705c121SKalle Valo wake_up(&mvm->d0i3_exit_waitq); 1313e705c121SKalle Valo mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT; 1314e705c121SKalle Valo if (wake_queues) 1315e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 1316e705c121SKalle Valo 1317e705c121SKalle Valo spin_unlock_bh(&mvm->d0i3_tx_lock); 1318e705c121SKalle Valo } 1319e705c121SKalle Valo 1320e705c121SKalle Valo static void iwl_mvm_d0i3_exit_work(struct work_struct *wk) 1321e705c121SKalle Valo { 1322e705c121SKalle Valo struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, d0i3_exit_work); 1323e705c121SKalle Valo struct iwl_host_cmd get_status_cmd = { 1324e705c121SKalle Valo .id = WOWLAN_GET_STATUSES, 1325e705c121SKalle Valo .flags = CMD_HIGH_PRIO | CMD_WANT_SKB, 1326e705c121SKalle Valo }; 1327e705c121SKalle Valo struct iwl_wowlan_status *status; 1328e705c121SKalle Valo int ret; 1329e705c121SKalle Valo u32 handled_reasons, wakeup_reasons = 0; 1330e705c121SKalle Valo __le16 *qos_seq = NULL; 1331e705c121SKalle Valo 1332e705c121SKalle Valo mutex_lock(&mvm->mutex); 1333e705c121SKalle Valo ret = iwl_mvm_send_cmd(mvm, &get_status_cmd); 1334e705c121SKalle Valo if (ret) 1335e705c121SKalle Valo goto out; 1336e705c121SKalle Valo 1337e705c121SKalle Valo if (!get_status_cmd.resp_pkt) 1338e705c121SKalle Valo goto out; 1339e705c121SKalle Valo 1340e705c121SKalle Valo status = (void *)get_status_cmd.resp_pkt->data; 1341e705c121SKalle Valo wakeup_reasons = le32_to_cpu(status->wakeup_reasons); 1342e705c121SKalle Valo qos_seq = status->qos_seq_ctr; 1343e705c121SKalle Valo 1344e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons); 1345e705c121SKalle Valo 1346e705c121SKalle Valo handled_reasons = IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON | 1347e705c121SKalle Valo IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH; 1348e705c121SKalle Valo if (wakeup_reasons & handled_reasons) { 1349e705c121SKalle Valo struct iwl_mvm_wakeup_reason_iter_data data = { 1350e705c121SKalle Valo .mvm = mvm, 1351e705c121SKalle Valo .wakeup_reasons = wakeup_reasons, 1352e705c121SKalle Valo }; 1353e705c121SKalle Valo 1354e705c121SKalle Valo ieee80211_iterate_active_interfaces( 1355e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1356e705c121SKalle Valo iwl_mvm_d0i3_wakeup_reason_iter, &data); 1357e705c121SKalle Valo } 1358e705c121SKalle Valo out: 1359e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, qos_seq); 1360e705c121SKalle Valo 1361e705c121SKalle Valo IWL_DEBUG_INFO(mvm, "d0i3 exit completed (wakeup reasons: 0x%x)\n", 1362e705c121SKalle Valo wakeup_reasons); 1363e705c121SKalle Valo 1364e705c121SKalle Valo /* qos_seq might point inside resp_pkt, so free it only now */ 1365e705c121SKalle Valo if (get_status_cmd.resp_pkt) 1366e705c121SKalle Valo iwl_free_resp(&get_status_cmd); 1367e705c121SKalle Valo 1368e705c121SKalle Valo /* the FW might have updated the regdomain */ 1369e705c121SKalle Valo iwl_mvm_update_changed_regdom(mvm); 1370e705c121SKalle Valo 1371e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_EXIT_WORK); 1372e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1373e705c121SKalle Valo } 1374e705c121SKalle Valo 1375e705c121SKalle Valo int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm) 1376e705c121SKalle Valo { 1377e705c121SKalle Valo u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE | 1378e705c121SKalle Valo CMD_WAKE_UP_TRANS; 1379e705c121SKalle Valo int ret; 1380e705c121SKalle Valo 1381e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "MVM exiting D0i3\n"); 1382e705c121SKalle Valo 1383e705c121SKalle Valo mutex_lock(&mvm->d0i3_suspend_mutex); 1384e705c121SKalle Valo if (test_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags)) { 1385e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Deferring d0i3 exit until resume\n"); 1386e705c121SKalle Valo __set_bit(D0I3_PENDING_WAKEUP, &mvm->d0i3_suspend_flags); 1387e705c121SKalle Valo mutex_unlock(&mvm->d0i3_suspend_mutex); 1388e705c121SKalle Valo return 0; 1389e705c121SKalle Valo } 1390e705c121SKalle Valo mutex_unlock(&mvm->d0i3_suspend_mutex); 1391e705c121SKalle Valo 1392e705c121SKalle Valo ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL); 1393e705c121SKalle Valo if (ret) 1394e705c121SKalle Valo goto out; 1395e705c121SKalle Valo 1396e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic(mvm->hw, 1397e705c121SKalle Valo IEEE80211_IFACE_ITER_NORMAL, 1398e705c121SKalle Valo iwl_mvm_exit_d0i3_iterator, 1399e705c121SKalle Valo mvm); 1400e705c121SKalle Valo out: 1401e705c121SKalle Valo schedule_work(&mvm->d0i3_exit_work); 1402e705c121SKalle Valo return ret; 1403e705c121SKalle Valo } 1404e705c121SKalle Valo 1405e705c121SKalle Valo int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode) 1406e705c121SKalle Valo { 1407e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1408e705c121SKalle Valo 1409e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_EXIT_WORK); 1410e705c121SKalle Valo return _iwl_mvm_exit_d0i3(mvm); 1411e705c121SKalle Valo } 1412e705c121SKalle Valo 1413e705c121SKalle Valo #define IWL_MVM_COMMON_OPS \ 1414e705c121SKalle Valo /* these could be differentiated */ \ 1415e705c121SKalle Valo .queue_full = iwl_mvm_stop_sw_queue, \ 1416e705c121SKalle Valo .queue_not_full = iwl_mvm_wake_sw_queue, \ 1417e705c121SKalle Valo .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \ 1418e705c121SKalle Valo .free_skb = iwl_mvm_free_skb, \ 1419e705c121SKalle Valo .nic_error = iwl_mvm_nic_error, \ 1420e705c121SKalle Valo .cmd_queue_full = iwl_mvm_cmd_queue_full, \ 1421e705c121SKalle Valo .nic_config = iwl_mvm_nic_config, \ 1422e705c121SKalle Valo .enter_d0i3 = iwl_mvm_enter_d0i3, \ 1423e705c121SKalle Valo .exit_d0i3 = iwl_mvm_exit_d0i3, \ 1424e705c121SKalle Valo /* as we only register one, these MUST be common! */ \ 1425e705c121SKalle Valo .start = iwl_op_mode_mvm_start, \ 1426e705c121SKalle Valo .stop = iwl_op_mode_mvm_stop 1427e705c121SKalle Valo 1428e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops = { 1429e705c121SKalle Valo IWL_MVM_COMMON_OPS, 1430e705c121SKalle Valo .rx = iwl_mvm_rx, 1431e705c121SKalle Valo }; 1432e705c121SKalle Valo 1433e705c121SKalle Valo static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, 1434e705c121SKalle Valo struct napi_struct *napi, 1435e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb, 1436e705c121SKalle Valo unsigned int queue) 1437e705c121SKalle Valo { 1438e705c121SKalle Valo struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1439e705c121SKalle Valo 1440e705c121SKalle Valo iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); 1441e705c121SKalle Valo } 1442e705c121SKalle Valo 1443e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops_mq = { 1444e705c121SKalle Valo IWL_MVM_COMMON_OPS, 1445e705c121SKalle Valo .rx = iwl_mvm_rx_mq, 1446e705c121SKalle Valo .rx_rss = iwl_mvm_rx_mq_rss, 1447e705c121SKalle Valo }; 1448