| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Johannes Berg | 2799 | 38.79% | 38 | 15.57% |
| Eliad Peller | 1017 | 14.10% | 20 | 8.20% |
| Arik Nemtsov | 634 | 8.79% | 8 | 3.28% |
| Emmanuel Grumbach | 520 | 7.21% | 38 | 15.57% |
| Sara Sharon | 394 | 5.46% | 30 | 12.30% |
| Liad Kaufman | 262 | 3.63% | 14 | 5.74% |
| Sharon Dvir | 256 | 3.55% | 1 | 0.41% |
| Luciano Coelho | 248 | 3.44% | 19 | 7.79% |
| Chaya Rachel Ivgy | 144 | 2.00% | 8 | 3.28% |
| Andrei Otcheretianski | 130 | 1.80% | 3 | 1.23% |
| Shahar S Matityahu | 117 | 1.62% | 4 | 1.64% |
| Golan Ben-Ami | 96 | 1.33% | 7 | 2.87% |
| David Spinadel | 83 | 1.15% | 7 | 2.87% |
| striebit | 77 | 1.07% | 3 | 1.23% |
| Eran Harary | 60 | 0.83% | 6 | 2.46% |
| Ido Yariv | 50 | 0.69% | 1 | 0.41% |
| Eytan Lifshitz | 49 | 0.68% | 1 | 0.41% |
| Avraham Stern | 46 | 0.64% | 3 | 1.23% |
| Gregory Greenman | 42 | 0.58% | 3 | 1.23% |
| Aviya Erenfeld | 35 | 0.49% | 3 | 1.23% |
| Matti Gottlieb | 28 | 0.39% | 5 | 2.05% |
| Mordechai Goodstein | 22 | 0.30% | 2 | 0.82% |
| Alexander Bondar | 19 | 0.26% | 3 | 1.23% |
| Oren Givon | 14 | 0.19% | 1 | 0.41% |
| Hila Gonen | 13 | 0.18% | 2 | 0.82% |
| Haim Dreyfuss | 12 | 0.17% | 2 | 0.82% |
| Ariej Marjieh | 12 | 0.17% | 1 | 0.41% |
| Moshe Harel | 8 | 0.11% | 1 | 0.41% |
| Jonathan Doron | 6 | 0.08% | 1 | 0.41% |
| Avri Altman | 5 | 0.07% | 2 | 0.82% |
| Lilach Edelstein | 5 | 0.07% | 2 | 0.82% |
| Ilan Peer | 3 | 0.04% | 1 | 0.41% |
| Joe Perches | 3 | 0.04% | 1 | 0.41% |
| Max Stepanov | 3 | 0.04% | 1 | 0.41% |
| Eyal Shapira | 2 | 0.03% | 1 | 0.41% |
| Mark Rutland | 1 | 0.01% | 1 | 0.41% |
| Total | 7215 | 244 |
/****************************************************************************** * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * The full GNU General Public License is included in this distribution * in the file called COPYING. * * Contact Information: * Intel Linux Wireless <linuxwifi@intel.com> * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * * BSD LICENSE * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *****************************************************************************/ #include <linux/module.h> #include <linux/vmalloc.h> #include <net/mac80211.h> #include "fw/notif-wait.h" #include "iwl-trans.h" #include "iwl-op-mode.h" #include "fw/img.h" #include "iwl-debug.h" #include "iwl-drv.h" #include "iwl-modparams.h" #include "mvm.h" #include "iwl-phy-db.h" #include "iwl-eeprom-parse.h" #include "iwl-csr.h" #include "iwl-io.h" #include "iwl-prph.h" #include "rs.h" #include "fw/api/scan.h" #include "time-event.h" #include "fw-api.h" #include "fw/api/scan.h" #include "fw/acpi.h" #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux" MODULE_DESCRIPTION(DRV_DESCRIPTION); MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); MODULE_LICENSE("GPL"); static const struct iwl_op_mode_ops iwl_mvm_ops; static const struct iwl_op_mode_ops iwl_mvm_ops_mq; struct iwl_mvm_mod_params iwlmvm_mod_params = { .power_scheme = IWL_POWER_SCHEME_BPS, .tfd_q_hang_detect = true /* rest of fields are 0 by default */ }; module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444); MODULE_PARM_DESC(init_dbg, "set to true to debug an ASSERT in INIT fw (default: false"); module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444); MODULE_PARM_DESC(power_scheme, "power management scheme: 1-active, 2-balanced, 3-low power, default: 2"); module_param_named(tfd_q_hang_detect, iwlmvm_mod_params.tfd_q_hang_detect, bool, 0444); MODULE_PARM_DESC(tfd_q_hang_detect, "TFD queues hang detection (default: true"); /* * module init and exit functions */ static int __init iwl_mvm_init(void) { int ret; ret = iwl_mvm_rate_control_register(); if (ret) { pr_err("Unable to register rate control algorithm: %d\n", ret); return ret; } ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops); if (ret) pr_err("Unable to register MVM op_mode: %d\n", ret); return ret; } module_init(iwl_mvm_init); static void __exit iwl_mvm_exit(void) { iwl_opmode_deregister("iwlmvm"); iwl_mvm_rate_control_unregister(); } module_exit(iwl_mvm_exit); static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; u32 reg_val = 0; u32 phy_config = iwl_mvm_get_phy_config(mvm); radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> FW_PHY_CFG_RADIO_TYPE_POS; radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> FW_PHY_CFG_RADIO_STEP_POS; radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> FW_PHY_CFG_RADIO_DASH_POS; /* SKU control */ reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) << CSR_HW_IF_CONFIG_REG_POS_MAC_STEP; reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) << CSR_HW_IF_CONFIG_REG_POS_MAC_DASH; /* radio configuration */ reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE; reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP; reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); /* * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC * sampling, and shouldn't be set to any non-zero value. * The same is supposed to be true of the other HW, but unsetting * them (such as the 7260) causes automatic tests to fail on seemingly * unrelated errors. Need to further investigate this, but for now * we'll separate cases. */ if (mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_8000) reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt)) reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG; iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH | CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP | CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | CSR_HW_IF_CONFIG_REG_BIT_MAC_SI | CSR_HW_IF_CONFIG_REG_D3_DEBUG, reg_val); IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, radio_cfg_step, radio_cfg_dash); /* * W/A : NIC is stuck in a reset state after Early PCIe power off * (PCIe power is lost before PERST# is asserted), causing ME FW * to lose ownership and not being able to obtain it back. */ if (!mvm->trans->cfg->apmg_not_supported) iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); } /** * enum iwl_rx_handler_context context for Rx handler * @RX_HANDLER_SYNC : this means that it will be called in the Rx path * which can't acquire mvm->mutex. * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex * (and only in this case!), it should be set as ASYNC. In that case, * it will be called from a worker with mvm->mutex held. * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the * mutex itself, it will be called from a worker without mvm->mutex held. */ enum iwl_rx_handler_context { RX_HANDLER_SYNC, RX_HANDLER_ASYNC_LOCKED, RX_HANDLER_ASYNC_UNLOCKED, }; /** * struct iwl_rx_handlers handler for FW notification * @cmd_id: command id * @context: see &iwl_rx_handler_context * @fn: the function is called when notification is received */ struct iwl_rx_handlers { u16 cmd_id; enum iwl_rx_handler_context context; void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); }; #define RX_HANDLER(_cmd_id, _fn, _context) \ { .cmd_id = _cmd_id, .fn = _fn, .context = _context } #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context) \ { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context } /* * Handlers for fw notifications * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME * This list should be in order of frequency for performance purposes. * * The handler can be one from three contexts, see &iwl_rx_handler_context */ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC), RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC), RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF, iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC), RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, RX_HANDLER_ASYNC_LOCKED), RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, RX_HANDLER_ASYNC_LOCKED), RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, RX_HANDLER_ASYNC_LOCKED), RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, iwl_mvm_window_status_notif, RX_HANDLER_SYNC), RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, RX_HANDLER_SYNC), RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, RX_HANDLER_ASYNC_LOCKED), RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC), RX_HANDLER(SCAN_ITERATION_COMPLETE, iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC), RX_HANDLER(SCAN_OFFLOAD_COMPLETE, iwl_mvm_rx_lmac_scan_complete_notif, RX_HANDLER_ASYNC_LOCKED), RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found, RX_HANDLER_SYNC), RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, RX_HANDLER_ASYNC_LOCKED), RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC), RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, RX_HANDLER_SYNC), RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, RX_HANDLER_SYNC), RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC), RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC), RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, RX_HANDLER_ASYNC_LOCKED), RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC), RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, RX_HANDLER_ASYNC_LOCKED), RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, RX_HANDLER_SYNC), RX_HANDLER(TOF_NOTIFICATION, iwl_mvm_tof_resp_handler, RX_HANDLER_ASYNC_LOCKED), RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC), RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC), RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC), RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF, iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC), }; #undef RX_HANDLER #undef RX_HANDLER_GRP /* Please keep this array *SORTED* by hex value. * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { HCMD_NAME(MVM_ALIVE), HCMD_NAME(REPLY_ERROR), HCMD_NAME(ECHO_CMD), HCMD_NAME(INIT_COMPLETE_NOTIF), HCMD_NAME(PHY_CONTEXT_CMD), HCMD_NAME(DBG_CFG), HCMD_NAME(SCAN_CFG_CMD), HCMD_NAME(SCAN_REQ_UMAC), HCMD_NAME(SCAN_ABORT_UMAC), HCMD_NAME(SCAN_COMPLETE_UMAC), HCMD_NAME(TOF_CMD), HCMD_NAME(TOF_NOTIFICATION), HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID), HCMD_NAME(ADD_STA_KEY), HCMD_NAME(ADD_STA), HCMD_NAME(REMOVE_STA), HCMD_NAME(FW_GET_ITEM_CMD), HCMD_NAME(TX_CMD), HCMD_NAME(SCD_QUEUE_CFG), HCMD_NAME(TXPATH_FLUSH), HCMD_NAME(MGMT_MCAST_KEY), HCMD_NAME(WEP_KEY), HCMD_NAME(SHARED_MEM_CFG), HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD), HCMD_NAME(MAC_CONTEXT_CMD), HCMD_NAME(TIME_EVENT_CMD), HCMD_NAME(TIME_EVENT_NOTIFICATION), HCMD_NAME(BINDING_CONTEXT_CMD), HCMD_NAME(TIME_QUOTA_CMD), HCMD_NAME(NON_QOS_TX_COUNTER_CMD), HCMD_NAME(LEDS_CMD), HCMD_NAME(LQ_CMD), HCMD_NAME(FW_PAGING_BLOCK_CMD), HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD), HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD), HCMD_NAME(HOT_SPOT_CMD), HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD), HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP), HCMD_NAME(BT_COEX_CI), HCMD_NAME(PHY_CONFIGURATION_CMD), HCMD_NAME(CALIB_RES_NOTIF_PHY_DB), HCMD_NAME(PHY_DB_CMD), HCMD_NAME(SCAN_OFFLOAD_COMPLETE), HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), HCMD_NAME(POWER_TABLE_CMD), HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF), HCMD_NAME(DC2DC_CONFIG_CMD), HCMD_NAME(NVM_ACCESS_CMD), HCMD_NAME(BEACON_NOTIFICATION), HCMD_NAME(BEACON_TEMPLATE_CMD), HCMD_NAME(TX_ANT_CONFIGURATION_CMD), HCMD_NAME(BT_CONFIG), HCMD_NAME(STATISTICS_CMD), HCMD_NAME(STATISTICS_NOTIFICATION), HCMD_NAME(EOSP_NOTIFICATION), HCMD_NAME(REDUCE_TX_POWER_CMD), HCMD_NAME(CARD_STATE_NOTIFICATION), HCMD_NAME(MISSED_BEACONS_NOTIFICATION), HCMD_NAME(TDLS_CONFIG_CMD), HCMD_NAME(MAC_PM_POWER_TABLE), HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION), HCMD_NAME(MFUART_LOAD_NOTIFICATION), HCMD_NAME(RSS_CONFIG_CMD), HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), HCMD_NAME(REPLY_RX_PHY_CMD), HCMD_NAME(REPLY_RX_MPDU_CMD), HCMD_NAME(FRAME_RELEASE), HCMD_NAME(BA_NOTIF), HCMD_NAME(MCC_UPDATE_CMD), HCMD_NAME(MCC_CHUB_UPDATE_CMD), HCMD_NAME(MARKER_CMD), HCMD_NAME(BT_PROFILE_NOTIFICATION), HCMD_NAME(BCAST_FILTER_CMD), HCMD_NAME(MCAST_FILTER_CMD), HCMD_NAME(REPLY_SF_CFG_CMD), HCMD_NAME(REPLY_BEACON_FILTERING_CMD), HCMD_NAME(D3_CONFIG_CMD), HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD), HCMD_NAME(OFFLOADS_QUERY_CMD), HCMD_NAME(REMOTE_WAKE_CONFIG_CMD), HCMD_NAME(MATCH_FOUND_NOTIFICATION), HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION), HCMD_NAME(WOWLAN_PATTERNS), HCMD_NAME(WOWLAN_CONFIGURATION), HCMD_NAME(WOWLAN_TSC_RSC_PARAM), HCMD_NAME(WOWLAN_TKIP_PARAM), HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL), HCMD_NAME(WOWLAN_GET_STATUSES), HCMD_NAME(SCAN_ITERATION_COMPLETE), HCMD_NAME(D0I3_END_CMD), HCMD_NAME(LTR_CONFIG), }; /* Please keep this array *SORTED* by hex value. * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_system_names[] = { HCMD_NAME(SHARED_MEM_CFG_CMD), HCMD_NAME(INIT_EXTENDED_CFG_CMD), }; /* Please keep this array *SORTED* by hex value. * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF), }; /* Please keep this array *SORTED* by hex value. * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE), HCMD_NAME(CTDP_CONFIG_CMD), HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD), HCMD_NAME(GEO_TX_POWER_LIMIT), HCMD_NAME(CT_KILL_NOTIFICATION), HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), }; /* Please keep this array *SORTED* by hex value. * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { HCMD_NAME(DQA_ENABLE_CMD), HCMD_NAME(UPDATE_MU_GROUPS_CMD), HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), HCMD_NAME(STA_HE_CTXT_CMD), HCMD_NAME(RFH_QUEUE_CONFIG_CMD), HCMD_NAME(STA_PM_NOTIF), HCMD_NAME(MU_GROUP_MGMT_NOTIF), HCMD_NAME(RX_QUEUES_NOTIFICATION), }; /* Please keep this array *SORTED* by hex value. * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_debug_names[] = { HCMD_NAME(MFU_ASSERT_DUMP_NTF), }; /* Please keep this array *SORTED* by hex value. * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = { HCMD_NAME(STORED_BEACON_NTF), }; /* Please keep this array *SORTED* by hex value. * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = { HCMD_NAME(NVM_ACCESS_COMPLETE), HCMD_NAME(NVM_GET_INFO), }; static const struct iwl_hcmd_arr iwl_mvm_groups[] = { [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names), [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names), [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names), [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), [REGULATORY_AND_NVM_GROUP] = HCMD_ARR(iwl_mvm_regulatory_and_nvm_names), }; /* this forward declaration can avoid to export the function */ static void iwl_mvm_async_handlers_wk(struct work_struct *wk); #ifdef CONFIG_PM static void iwl_mvm_d0i3_exit_work(struct work_struct *wk); #endif static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm) { const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs; u64 dflt_pwr_limit; if (!backoff) return 0; dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev); while (backoff->pwr) { if (dflt_pwr_limit >= backoff->pwr) return backoff->backoff; backoff++; } return 0; } static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) { struct iwl_mvm *mvm = container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); struct ieee80211_vif *tx_blocked_vif; struct iwl_mvm_vif *mvmvif; mutex_lock(&mvm->mutex); tx_blocked_vif = rcu_dereference_protected(mvm->csa_tx_blocked_vif, lockdep_is_held(&mvm->mutex)); if (!tx_blocked_vif) goto unlock; mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); unlock: mutex_unlock(&mvm->mutex); } static int iwl_mvm_fwrt_dump_start(void *ctx) { struct iwl_mvm *mvm = ctx; int ret; ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_FW_DBG_COLLECT); if (ret) return ret; mutex_lock(&mvm->mutex); return 0; } static void iwl_mvm_fwrt_dump_end(void *ctx) { struct iwl_mvm *mvm = ctx; mutex_unlock(&mvm->mutex); iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT); } static bool iwl_mvm_fwrt_fw_running(void *ctx) { return iwl_mvm_firmware_running(ctx); } static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) { struct iwl_mvm *mvm = (struct iwl_mvm *)ctx; int ret; mutex_lock(&mvm->mutex); ret = iwl_mvm_send_cmd(mvm, host_cmd); mutex_unlock(&mvm->mutex); return ret; } static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { .dump_start = iwl_mvm_fwrt_dump_start, .dump_end = iwl_mvm_fwrt_dump_end, .fw_running = iwl_mvm_fwrt_fw_running, .send_hcmd = iwl_mvm_fwrt_send_hcmd, }; static struct iwl_op_mode * iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, const struct iwl_fw *fw, struct dentry *dbgfs_dir) { struct ieee80211_hw *hw; struct iwl_op_mode *op_mode; struct iwl_mvm *mvm; struct iwl_trans_config trans_cfg = {}; static const u8 no_reclaim_cmds[] = { TX_CMD, }; int err, scan_size; u32 min_backoff; enum iwl_amsdu_size rb_size_default; /* * We use IWL_MVM_STATION_COUNT to check the validity of the station * index all over the driver - check that its value corresponds to the * array size. */ BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT); /******************************** * 1. Allocating and configuring HW data ********************************/ hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + sizeof(struct iwl_mvm), &iwl_mvm_hw_ops); if (!hw) return NULL; if (cfg->max_rx_agg_size) hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size; else hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; if (cfg->max_tx_agg_size) hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; else hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; op_mode = hw->priv; mvm = IWL_OP_MODE_GET_MVM(op_mode); mvm->dev = trans->dev; mvm->trans = trans; mvm->cfg = cfg; mvm->fw = fw; mvm->hw = hw; iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm, dbgfs_dir); mvm->init_status = 0; if (iwl_mvm_has_new_rx_api(mvm)) { op_mode->ops = &iwl_mvm_ops_mq; trans->rx_mpdu_cmd_hdr_size = (trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) ? sizeof(struct iwl_rx_mpdu_desc) : IWL_RX_DESC_SIZE_V1; } else { op_mode->ops = &iwl_mvm_ops; trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_res_start); if (WARN_ON(trans->num_rx_queues > 1)) goto out_free; } mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0; mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE; mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE; mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE; mvm->sf_state = SF_UNINIT; if (iwl_mvm_has_unified_ucode(mvm)) iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR); else iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT); mvm->drop_bcn_ap_mode = true; mutex_init(&mvm->mutex); mutex_init(&mvm->d0i3_suspend_mutex); spin_lock_init(&mvm->async_handlers_lock); INIT_LIST_HEAD(&mvm->time_event_list); INIT_LIST_HEAD(&mvm->aux_roc_te_list); INIT_LIST_HEAD(&mvm->async_handlers_list); spin_lock_init(&mvm->time_event_lock); INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); #ifdef CONFIG_PM INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work); #endif INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); spin_lock_init(&mvm->d0i3_tx_lock); spin_lock_init(&mvm->refs_lock); skb_queue_head_init(&mvm->d0i3_tx); init_waitqueue_head(&mvm->d0i3_exit_waitq); init_waitqueue_head(&mvm->rx_sync_waitq); atomic_set(&mvm->queue_sync_counter, 0); SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); spin_lock_init(&mvm->tcm.lock); INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work); mvm->tcm.ts = jiffies; mvm->tcm.ll_ts = jiffies; mvm->tcm.uapsd_nonagg_ts = jiffies; INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); /* * Populate the state variables that the transport layer needs * to know about. */ trans_cfg.op_mode = op_mode; trans_cfg.no_reclaim_cmds = no_reclaim_cmds; trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) rb_size_default = IWL_AMSDU_2K; else rb_size_default = IWL_AMSDU_4K; switch (iwlwifi_mod_params.amsdu_size) { case IWL_AMSDU_DEF: trans_cfg.rx_buf_size = rb_size_default; break; case IWL_AMSDU_4K: trans_cfg.rx_buf_size = IWL_AMSDU_4K; break; case IWL_AMSDU_8K: trans_cfg.rx_buf_size = IWL_AMSDU_8K; break; case IWL_AMSDU_12K: trans_cfg.rx_buf_size = IWL_AMSDU_12K; break; default: pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME, iwlwifi_mod_params.amsdu_size); trans_cfg.rx_buf_size = rb_size_default; } trans->wide_cmd_header = true; trans_cfg.bc_table_dword = mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_22560; trans_cfg.command_groups = iwl_mvm_groups; trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE; trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; trans_cfg.scd_set_active = true; trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info, driver_data[2]); trans_cfg.sw_csum_tx = IWL_MVM_SW_TX_CSUM_OFFLOAD; /* Set a short watchdog for the command queue */ trans_cfg.cmd_q_wdg_timeout = iwl_mvm_get_wd_timeout(mvm, NULL, false, true); snprintf(mvm->hw->wiphy->fw_version, sizeof(mvm->hw->wiphy->fw_version), "%s", fw->fw_version); /* Configure transport layer */ iwl_trans_configure(mvm->trans, &trans_cfg); trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; trans->dbg_dest_tlv = mvm->fw->dbg.dest_tlv; trans->dbg_n_dest_reg = mvm->fw->dbg.n_dest_reg; memcpy(trans->dbg_conf_tlv, mvm->fw->dbg.conf_tlv, sizeof(trans->dbg_conf_tlv)); trans->dbg_trigger_tlv = mvm->fw->dbg.trigger_tlv; trans->iml = mvm->fw->iml; trans->iml_len = mvm->fw->iml_len; /* set up notification wait support */ iwl_notification_wait_init(&mvm->notif_wait); /* Init phy db */ mvm->phy_db = iwl_phy_db_init(trans); if (!mvm->phy_db) { IWL_ERR(mvm, "Cannot init phy_db\n"); goto out_free; } IWL_INFO(mvm, "Detected %s, REV=0x%X\n", mvm->cfg->name, mvm->trans->hw_rev); if (iwlwifi_mod_params.nvm_file) mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; else IWL_DEBUG_EEPROM(mvm->trans->dev, "working without external nvm file\n"); err = iwl_trans_start_hw(mvm->trans); if (err) goto out_free; mutex_lock(&mvm->mutex); iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE); err = iwl_run_init_mvm_ucode(mvm, true); if (test_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &mvm->fwrt.status)) iwl_fw_alive_error_dump(&mvm->fwrt); if (!iwlmvm_mod_params.init_dbg || !err) iwl_mvm_stop_device(mvm); iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE); mutex_unlock(&mvm->mutex); if (err < 0) { IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err); goto out_free; } scan_size = iwl_mvm_scan_size(mvm); mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); if (!mvm->scan_cmd) goto out_free; /* Set EBS as successful as long as not stated otherwise by the FW. */ mvm->last_ebs_successful = true; err = iwl_mvm_mac_setup_register(mvm); if (err) goto out_free; mvm->hw_registered = true; min_backoff = iwl_mvm_min_backoff(mvm); iwl_mvm_thermal_initialize(mvm, min_backoff); err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir); if (err) goto out_unregister; if (!iwl_mvm_has_new_rx_stats_api(mvm)) memset(&mvm->rx_stats_v3, 0, sizeof(struct mvm_statistics_rx_v3)); else memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); /* The transport always starts with a taken reference, we can * release it now if d0i3 is supported */ if (iwl_mvm_is_d0i3_supported(mvm)) iwl_trans_unref(mvm->trans); iwl_mvm_tof_init(mvm); iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); return op_mode; out_unregister: if (iwlmvm_mod_params.init_dbg) return op_mode; ieee80211_unregister_hw(mvm->hw); mvm->hw_registered = false; iwl_mvm_leds_exit(mvm); iwl_mvm_thermal_exit(mvm); out_free: iwl_fw_flush_dump(&mvm->fwrt); iwl_fw_runtime_free(&mvm->fwrt); if (iwlmvm_mod_params.init_dbg) return op_mode; iwl_phy_db_free(mvm->phy_db); kfree(mvm->scan_cmd); iwl_trans_op_mode_leave(trans); ieee80211_free_hw(mvm->hw); return NULL; } static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); int i; /* If d0i3 is supported, we have released the reference that * the transport started with, so we should take it back now * that we are leaving. */ if (iwl_mvm_is_d0i3_supported(mvm)) iwl_trans_ref(mvm->trans); iwl_mvm_leds_exit(mvm); iwl_mvm_thermal_exit(mvm); if (mvm->init_status & IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE) { ieee80211_unregister_hw(mvm->hw); mvm->init_status &= ~IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE; } kfree(mvm->scan_cmd); kfree(mvm->mcast_filter_cmd); mvm->mcast_filter_cmd = NULL; #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS) kfree(mvm->d3_resume_sram); #endif iwl_trans_op_mode_leave(mvm->trans); iwl_phy_db_free(mvm->phy_db); mvm->phy_db = NULL; kfree(mvm->nvm_data); for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) kfree(mvm->nvm_sections[i].data); cancel_delayed_work_sync(&mvm->tcm.work); iwl_mvm_tof_clean(mvm); iwl_fw_runtime_free(&mvm->fwrt); mutex_destroy(&mvm->mutex); mutex_destroy(&mvm->d0i3_suspend_mutex); ieee80211_free_hw(mvm->hw); } struct iwl_async_handler_entry { struct list_head list; struct iwl_rx_cmd_buffer rxb; enum iwl_rx_handler_context context; void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); }; void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) { struct iwl_async_handler_entry *entry, *tmp; spin_lock_bh(&mvm->async_handlers_lock); list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { iwl_free_rxb(&entry->rxb); list_del(&entry->list); kfree(entry); } spin_unlock_bh(&mvm->async_handlers_lock); } static void iwl_mvm_async_handlers_wk(struct work_struct *wk) { struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, async_handlers_wk); struct iwl_async_handler_entry *entry, *tmp; LIST_HEAD(local_list); /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */ /* * Sync with Rx path with a lock. Remove all the entries from this list, * add them to a local one (lock free), and then handle them. */ spin_lock_bh(&mvm->async_handlers_lock); list_splice_init(&mvm->async_handlers_list, &local_list); spin_unlock_bh(&mvm->async_handlers_lock); list_for_each_entry_safe(entry, tmp, &local_list, list) { if (entry->context == RX_HANDLER_ASYNC_LOCKED) mutex_lock(&mvm->mutex); entry->fn(mvm, &entry->rxb); iwl_free_rxb(&entry->rxb); list_del(&entry->list); if (entry->context == RX_HANDLER_ASYNC_LOCKED) mutex_unlock(&mvm->mutex); kfree(entry); } } static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt) { struct iwl_fw_dbg_trigger_tlv *trig; struct iwl_fw_dbg_trigger_cmd *cmds_trig; int i; trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, FW_DBG_TRIGGER_FW_NOTIF); if (!trig) return; cmds_trig = (void *)trig->data; for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) { /* don't collect on CMD 0 */ if (!cmds_trig->cmds[i].cmd_id) break; if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || cmds_trig->cmds[i].group_id != pkt->hdr.group_id) continue; iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, "CMD 0x%02x.%02x received", pkt->hdr.group_id, pkt->hdr.cmd); break; } } static void iwl_mvm_rx_common(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, struct iwl_rx_packet *pkt) { int i; iwl_mvm_rx_check_trigger(mvm, pkt); /* * Do the notification wait before RX handlers so * even if the RX handler consumes the RXB we have * access to it in the notification wait entry. */ iwl_notification_wait_notify(&mvm->notif_wait, pkt); for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; struct iwl_async_handler_entry *entry; if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) continue; if (rx_h->context == RX_HANDLER_SYNC) { rx_h->fn(mvm, rxb); return; } entry = kzalloc(sizeof(*entry), GFP_ATOMIC); /* we can't do much... */ if (!entry) return; entry->rxb._page = rxb_steal_page(rxb); entry->rxb._offset = rxb->_offset; entry->rxb._rx_page_order = rxb->_rx_page_order; entry->fn = rx_h->fn; entry->context = rx_h->context; spin_lock(&mvm->async_handlers_lock); list_add_tail(&entry->list, &mvm->async_handlers_list); spin_unlock(&mvm->async_handlers_lock); schedule_work(&mvm->async_handlers_wk); break; } } static void iwl_mvm_rx(struct iwl_op_mode *op_mode, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD)) iwl_mvm_rx_rx_phy_cmd(mvm, rxb); else iwl_mvm_rx_common(mvm, rxb, pkt); } static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, RX_QUEUES_NOTIFICATION))) iwl_mvm_rx_queue_notif(mvm, rxb, 0); else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) iwl_mvm_rx_monitor_ndp(mvm, napi, rxb, 0); else iwl_mvm_rx_common(mvm, rxb, pkt); } void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq) { int q; if (WARN_ON_ONCE(!mq)) return; for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) { if (atomic_inc_return(&mvm->mac80211_queue_stop_count[q]) > 1) { IWL_DEBUG_TX_QUEUES(mvm, "mac80211 %d already stopped\n", q); continue; } ieee80211_stop_queue(mvm->hw, q); } } static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode, const struct iwl_device_cmd *cmd) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); /* * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA * commands that need to block the Tx queues. */ iwl_trans_block_txq_ptrs(mvm->trans, false); } static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); unsigned long mq = mvm->hw_queue_to_mac80211[hw_queue]; iwl_mvm_stop_mac_queues(mvm, mq); } void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq) { int q; if (WARN_ON_ONCE(!mq)) return; for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) { if (atomic_dec_return(&mvm->mac80211_queue_stop_count[q]) > 0) { IWL_DEBUG_TX_QUEUES(mvm, "mac80211 %d still stopped\n", q); continue; } ieee80211_wake_queue(mvm->hw, q); } } static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); unsigned long mq = mvm->hw_queue_to_mac80211[hw_queue]; iwl_mvm_start_mac_queues(mvm, mq); } static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm) { bool state = iwl_mvm_is_radio_killed(mvm); if (state) wake_up(&mvm->rx_sync_waitq); wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state); } void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) { if (state) set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); else clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); iwl_mvm_set_rfkill_state(mvm); } static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); bool calibrating = READ_ONCE(mvm->calibrating); if (state) set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); else clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); iwl_mvm_set_rfkill_state(mvm); /* iwl_run_init_mvm_ucode is waiting for results, abort it */ if (calibrating) iwl_abort_notification_waits(&mvm->notif_wait); /* * Stop the device if we run OPERATIONAL firmware or if we are in the * middle of the calibrations. */ return state && (mvm->fwrt.cur_fw_img != IWL_UCODE_INIT || calibrating); } static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); struct ieee80211_tx_info *info; info = IEEE80211_SKB_CB(skb); iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); ieee80211_free_txskb(mvm->hw, skb); } struct iwl_mvm_reprobe { struct device *dev; struct work_struct work; }; static void iwl_mvm_reprobe_wk(struct work_struct *wk) { struct iwl_mvm_reprobe *reprobe; reprobe = container_of(wk, struct iwl_mvm_reprobe, work); if (device_reprobe(reprobe->dev)) dev_err(reprobe->dev, "reprobe failed!\n"); kfree(reprobe); module_put(THIS_MODULE); } void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) { iwl_abort_notification_waits(&mvm->notif_wait); /* * This is a bit racy, but worst case we tell mac80211 about * a stopped/aborted scan when that was already done which * is not a problem. It is necessary to abort any os scan * here because mac80211 requires having the scan cleared * before restarting. * We'll reset the scan_status to NONE in restart cleanup in * the next start() call from mac80211. If restart isn't called * (no fw restart) scan status will stay busy. */ iwl_mvm_report_scan_aborted(mvm); /* * If we're restarting already, don't cycle restarts. * If INIT fw asserted, it will likely fail again. * If WoWLAN fw asserted, don't restart either, mac80211 * can't recover this since we're already half suspended. */ if (!mvm->fw_restart && fw_error) { iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert, false, 0); } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { struct iwl_mvm_reprobe *reprobe; IWL_ERR(mvm, "Firmware error during reconfiguration - reprobe!\n"); /* * get a module reference to avoid doing this while unloading * anyway and to avoid scheduling a work with code that's * being removed. */ if (!try_module_get(THIS_MODULE)) { IWL_ERR(mvm, "Module is being unloaded - abort\n"); return; } reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC); if (!reprobe) { module_put(THIS_MODULE); return; } reprobe->dev = mvm->trans->dev; INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk); schedule_work(&reprobe->work); } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && mvm->hw_registered && !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) { /* don't let the transport/FW power down */ iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); if (fw_error && mvm->fw_restart > 0) mvm->fw_restart--; set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); ieee80211_restart_hw(mvm->hw); } } static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) iwl_mvm_dump_nic_error_log(mvm); iwl_mvm_nic_restart(mvm, true); } static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); WARN_ON(1); iwl_mvm_nic_restart(mvm, true); } #ifdef CONFIG_PM struct iwl_d0i3_iter_data { struct iwl_mvm *mvm; struct ieee80211_vif *connected_vif; u8 ap_sta_id; u8 vif_count; u8 offloading_tid; bool disable_offloading; }; static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_d0i3_iter_data *iter_data) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm_sta *mvmsta; u32 available_tids = 0; u8 tid; if (WARN_ON(vif->type != NL80211_IFTYPE_STATION || mvmvif->ap_sta_id == IWL_MVM_INVALID_STA)) return false; mvmsta = iwl_mvm_sta_from_staid_rcu(mvm, mvmvif->ap_sta_id); if (!mvmsta) return false; spin_lock_bh(&mvmsta->lock); for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; /* * in case of pending tx packets, don't use this tid * for offloading in order to prevent reuse of the same * qos seq counters. */ if (iwl_mvm_tid_queued(mvm, tid_data)) continue; if (tid_data->state != IWL_AGG_OFF) continue; available_tids |= BIT(tid); } spin_unlock_bh(&mvmsta->lock); /* * disallow protocol offloading if we have no available tid * (with no pending frames and no active aggregation, * as we don't handle "holes" properly - the scheduler needs the * frame's seq number and TFD index to match) */ if (!available_tids) return true; /* for simplicity, just use the first available tid */ iter_data->offloading_tid = ffs(available_tids) - 1; return false; } static void iwl_mvm_enter_d0i3_iterator(void *_data, u8 *mac, struct ieee80211_vif *vif) { struct iwl_d0i3_iter_data *data = _data; struct iwl_mvm *mvm = data->mvm; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE; IWL_DEBUG_RPM(mvm, "entering D0i3 - vif %pM\n", vif->addr); if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc) return; /* * in case of pending tx packets or active aggregations, * avoid offloading features in order to prevent reuse of * the same qos seq counters. */ if (iwl_mvm_disallow_offloading(mvm, vif, data)) data->disable_offloading = true; iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags); iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading, false, flags); /* * on init/association, mvm already configures POWER_TABLE_CMD * and REPLY_MCAST_FILTER_CMD, so currently don't * reconfigure them (we might want to use different * params later on, though). */ data->ap_sta_id = mvmvif->ap_sta_id; data->vif_count++; /* * no new commands can be sent at this stage, so it's safe * to save the vif pointer during d0i3 entrance. */ data->connected_vif = vif; } static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm, struct iwl_wowlan_config_cmd *cmd, struct iwl_d0i3_iter_data *iter_data) { struct ieee80211_sta *ap_sta; struct iwl_mvm_sta *mvm_ap_sta; if (iter_data->ap_sta_id == IWL_MVM_INVALID_STA) return; rcu_read_lock(); ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[iter_data->ap_sta_id]); if (IS_ERR_OR_NULL(ap_sta)) goto out; mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta); cmd->is_11n_connection = ap_sta->ht_cap.ht_supported; cmd->offloading_tid = iter_data->offloading_tid; cmd->flags = ENABLE_L3_FILTERING | ENABLE_NBNS_FILTERING | ENABLE_DHCP_FILTERING | ENABLE_STORE_BEACON; /* * The d0i3 uCode takes care of the nonqos counters, * so configure only the qos seq ones. */ iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, cmd); out: rcu_read_unlock(); } int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE; int ret; struct iwl_d0i3_iter_data d0i3_iter_data = { .mvm = mvm, }; struct iwl_wowlan_config_cmd wowlan_config_cmd = { .wakeup_filter = cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME | IWL_WOWLAN_WAKEUP_BEACON_MISS | IWL_WOWLAN_WAKEUP_LINK_CHANGE), }; struct iwl_d3_manager_config d3_cfg_cmd = { .min_sleep_time = cpu_to_le32(1000), .wakeup_flags = cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR), }; IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n"); if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)) return -EINVAL; set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); /* * iwl_mvm_ref_sync takes a reference before checking the flag. * so by checking there is no held reference we prevent a state * in which iwl_mvm_ref_sync continues successfully while we * configure the firmware to enter d0i3 */ if (iwl_mvm_ref_taken(mvm)) { IWL_DEBUG_RPM(mvm->trans, "abort d0i3 due to taken ref\n"); clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); wake_up(&mvm->d0i3_exit_waitq); return 1; } ieee80211_iterate_active_interfaces_atomic(mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_enter_d0i3_iterator, &d0i3_iter_data); if (d0i3_iter_data.vif_count == 1) { mvm->d0i3_ap_sta_id = d0i3_iter_data.ap_sta_id; mvm->d0i3_offloading = !d0i3_iter_data.disable_offloading; } else { WARN_ON_ONCE(d0i3_iter_data.vif_count > 1); mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; mvm->d0i3_offloading = false; } iwl_mvm_pause_tcm(mvm, true); /* make sure we have no running tx while configuring the seqno */ synchronize_net(); /* Flush the hw queues, in case something got queued during entry */ /* TODO new tx api */ if (iwl_mvm_has_new_tx_api(mvm)) { WARN_ONCE(1, "d0i3: Need to implement flush TX queue\n"); } else { ret = iwl_mvm_flush_tx_path(mvm, iwl_mvm_flushable_queues(mvm), flags); if (ret) return ret; } /* configure wowlan configuration only if needed */ if (mvm->d0i3_ap_sta_id != IWL_MVM_INVALID_STA) { /* wake on beacons only if beacon storing isn't supported */ if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_BEACON_STORING)) wowlan_config_cmd.wakeup_filter |= cpu_to_le32(IWL_WOWLAN_WAKEUP_BCN_FILTERING); iwl_mvm_wowlan_config_key_params(mvm, d0i3_iter_data.connected_vif, true, flags); iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd, &d0i3_iter_data); ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags, sizeof(wowlan_config_cmd), &wowlan_config_cmd); if (ret) return ret; } return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD, flags | CMD_MAKE_TRANS_IDLE, sizeof(d3_cfg_cmd), &d3_cfg_cmd); } static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac, struct ieee80211_vif *vif) { struct iwl_mvm *mvm = _data; u32 flags = CMD_ASYNC | CMD_HIGH_PRIO; IWL_DEBUG_RPM(mvm, "exiting D0i3 - vif %pM\n", vif->addr); if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc) return; iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags); } struct iwl_mvm_d0i3_exit_work_iter_data { struct iwl_mvm *mvm; struct iwl_wowlan_status *status; u32 wakeup_reasons; }; static void iwl_mvm_d0i3_exit_work_iter(void *_data, u8 *mac, struct ieee80211_vif *vif) { struct iwl_mvm_d0i3_exit_work_iter_data *data = _data; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); u32 reasons = data->wakeup_reasons; /* consider only the relevant station interface */ if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || data->mvm->d0i3_ap_sta_id != mvmvif->ap_sta_id) return; if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH) iwl_mvm_connection_loss(data->mvm, vif, "D0i3"); else if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON) ieee80211_beacon_loss(vif); else iwl_mvm_d0i3_update_keys(data->mvm, vif, data->status); } void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq) { struct ieee80211_sta *sta = NULL; struct iwl_mvm_sta *mvm_ap_sta; int i; bool wake_queues = false; lockdep_assert_held(&mvm->mutex); spin_lock_bh(&mvm->d0i3_tx_lock); if (mvm->d0i3_ap_sta_id == IWL_MVM_INVALID_STA) goto out; IWL_DEBUG_RPM(mvm, "re-enqueue packets\n"); /* get the sta in order to update seq numbers and re-enqueue skbs */ sta = rcu_dereference_protected( mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id], lockdep_is_held(&mvm->mutex)); if (IS_ERR_OR_NULL(sta)) { sta = NULL; goto out; } if (mvm->d0i3_offloading && qos_seq) { /* update qos seq numbers if offloading was enabled */ mvm_ap_sta = iwl_mvm_sta_from_mac80211(sta); for (i = 0; i < IWL_MAX_TID_COUNT; i++) { u16 seq = le16_to_cpu(qos_seq[i]); /* firmware stores last-used one, we store next one */ seq += 0x10; mvm_ap_sta->tid_data[i].seq_number = seq; } } out: /* re-enqueue (or drop) all packets */ while (!skb_queue_empty(&mvm->d0i3_tx)) { struct sk_buff *skb = __skb_dequeue(&mvm->d0i3_tx); if (!sta || iwl_mvm_tx_skb(mvm, skb, sta)) ieee80211_free_txskb(mvm->hw, skb); /* if the skb_queue is not empty, we need to wake queues */ wake_queues = true; } clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); wake_up(&mvm->d0i3_exit_waitq); mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; if (wake_queues) ieee80211_wake_queues(mvm->hw); spin_unlock_bh(&mvm->d0i3_tx_lock); } static void iwl_mvm_d0i3_exit_work(struct work_struct *wk) { struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, d0i3_exit_work); struct iwl_mvm_d0i3_exit_work_iter_data iter_data = { .mvm = mvm, }; struct iwl_wowlan_status *status; u32 wakeup_reasons = 0; __le16 *qos_seq = NULL; mutex_lock(&mvm->mutex); status = iwl_mvm_send_wowlan_get_status(mvm); if (IS_ERR_OR_NULL(status)) { /* set to NULL so we don't need to check before kfree'ing */ status = NULL; goto out; } wakeup_reasons = le32_to_cpu(status->wakeup_reasons); qos_seq = status->qos_seq_ctr; IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons); iter_data.wakeup_reasons = wakeup_reasons; iter_data.status = status; ieee80211_iterate_active_interfaces(mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_d0i3_exit_work_iter, &iter_data); out: iwl_mvm_d0i3_enable_tx(mvm, qos_seq); IWL_DEBUG_INFO(mvm, "d0i3 exit completed (wakeup reasons: 0x%x)\n", wakeup_reasons); /* qos_seq might point inside resp_pkt, so free it only now */ kfree(status); /* the FW might have updated the regdomain */ iwl_mvm_update_changed_regdom(mvm); iwl_mvm_resume_tcm(mvm); iwl_mvm_unref(mvm, IWL_MVM_REF_EXIT_WORK); mutex_unlock(&mvm->mutex); } int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm) { u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE | CMD_WAKE_UP_TRANS; int ret; IWL_DEBUG_RPM(mvm, "MVM exiting D0i3\n"); if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)) return -EINVAL; mutex_lock(&mvm->d0i3_suspend_mutex); if (test_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags)) { IWL_DEBUG_RPM(mvm, "Deferring d0i3 exit until resume\n"); __set_bit(D0I3_PENDING_WAKEUP, &mvm->d0i3_suspend_flags); mutex_unlock(&mvm->d0i3_suspend_mutex); return 0; } mutex_unlock(&mvm->d0i3_suspend_mutex); ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL); if (ret) goto out; ieee80211_iterate_active_interfaces_atomic(mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_exit_d0i3_iterator, mvm); out: schedule_work(&mvm->d0i3_exit_work); return ret; } int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); iwl_mvm_ref(mvm, IWL_MVM_REF_EXIT_WORK); return _iwl_mvm_exit_d0i3(mvm); } #define IWL_MVM_D0I3_OPS \ .enter_d0i3 = iwl_mvm_enter_d0i3, \ .exit_d0i3 = iwl_mvm_exit_d0i3, #else /* CONFIG_PM */ #define IWL_MVM_D0I3_OPS #endif /* CONFIG_PM */ #define IWL_MVM_COMMON_OPS \ /* these could be differentiated */ \ .async_cb = iwl_mvm_async_cb, \ .queue_full = iwl_mvm_stop_sw_queue, \ .queue_not_full = iwl_mvm_wake_sw_queue, \ .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \ .free_skb = iwl_mvm_free_skb, \ .nic_error = iwl_mvm_nic_error, \ .cmd_queue_full = iwl_mvm_cmd_queue_full, \ .nic_config = iwl_mvm_nic_config, \ IWL_MVM_D0I3_OPS \ /* as we only register one, these MUST be common! */ \ .start = iwl_op_mode_mvm_start, \ .stop = iwl_op_mode_mvm_stop static const struct iwl_op_mode_ops iwl_mvm_ops = { IWL_MVM_COMMON_OPS, .rx = iwl_mvm_rx, }; static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb, unsigned int queue) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); struct iwl_rx_packet *pkt = rxb_addr(rxb); u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))) iwl_mvm_rx_frame_release(mvm, napi, rxb, queue); else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, RX_QUEUES_NOTIFICATION))) iwl_mvm_rx_queue_notif(mvm, rxb, queue); else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue); } static const struct iwl_op_mode_ops iwl_mvm_ops_mq = { IWL_MVM_COMMON_OPS, .rx = iwl_mvm_rx_mq, .rx_rss = iwl_mvm_rx_mq_rss, };
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