| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Johannes Berg | 2780 | 47.12% | 42 | 18.18% |
| Sara Sharon | 544 | 9.22% | 25 | 10.82% |
| Emmanuel Grumbach | 538 | 9.12% | 38 | 16.45% |
| Sharon Dvir | 252 | 4.27% | 1 | 0.43% |
| Shahar S Matityahu | 212 | 3.59% | 16 | 6.93% |
| Haim Dreyfuss | 168 | 2.85% | 3 | 1.30% |
| Liad Kaufman | 154 | 2.61% | 14 | 6.06% |
| Luciano Coelho | 147 | 2.49% | 13 | 5.63% |
| Chaya Rachel Ivgy | 138 | 2.34% | 8 | 3.46% |
| Andrei Otcheretianski | 130 | 2.20% | 3 | 1.30% |
| Avraham Stern | 127 | 2.15% | 4 | 1.73% |
| Mordechai Goodstein | 90 | 1.53% | 2 | 0.87% |
| Golan Ben-Ami | 90 | 1.53% | 6 | 2.60% |
| striebit | 74 | 1.25% | 3 | 1.30% |
| Eran Harary | 60 | 1.02% | 6 | 2.60% |
| Ido Yariv | 50 | 0.85% | 1 | 0.43% |
| Eytan Lifshitz | 49 | 0.83% | 1 | 0.43% |
| David Spinadel | 49 | 0.83% | 6 | 2.60% |
| Arik Nemtsov | 44 | 0.75% | 8 | 3.46% |
| Aviya Erenfeld | 35 | 0.59% | 3 | 1.30% |
| Matti Gottlieb | 28 | 0.47% | 5 | 2.16% |
| Gregory Greenman | 26 | 0.44% | 3 | 1.30% |
| Ilan Peer | 25 | 0.42% | 2 | 0.87% |
| Alexander Bondar | 19 | 0.32% | 3 | 1.30% |
| Eliad Peller | 19 | 0.32% | 3 | 1.30% |
| Hila Gonen | 13 | 0.22% | 2 | 0.87% |
| Ariej Marjieh | 12 | 0.20% | 1 | 0.43% |
| Moshe Harel | 8 | 0.14% | 1 | 0.43% |
| Lilach Edelstein | 5 | 0.08% | 2 | 0.87% |
| Avri Altman | 5 | 0.08% | 2 | 0.87% |
| Max Stepanov | 3 | 0.05% | 1 | 0.43% |
| Joe Perches | 3 | 0.05% | 1 | 0.43% |
| Eyal Shapira | 2 | 0.03% | 1 | 0.43% |
| Mark Rutland | 1 | 0.02% | 1 | 0.43% |
| Total | 5900 | 231 |
/****************************************************************************** * * 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 - 2019 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 - 2019 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/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->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_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF, iwl_mvm_rx_session_protect_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_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS, iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED), RX_HANDLER_GRP(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF, iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED), RX_HANDLER_GRP(LOCATION_GROUP, TOF_LC_NOTIF, iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED), RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC), 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(BA_WINDOW_STATUS_NOTIFICATION_ID), HCMD_NAME(ADD_STA_KEY), HCMD_NAME(ADD_STA), HCMD_NAME(REMOVE_STA), HCMD_NAME(FW_GET_ITEM_CMD), HCMD_NAME(TX_CMD), HCMD_NAME(SCD_QUEUE_CFG), HCMD_NAME(TXPATH_FLUSH), HCMD_NAME(MGMT_MCAST_KEY), HCMD_NAME(WEP_KEY), HCMD_NAME(SHARED_MEM_CFG), HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD), HCMD_NAME(MAC_CONTEXT_CMD), HCMD_NAME(TIME_EVENT_CMD), HCMD_NAME(TIME_EVENT_NOTIFICATION), HCMD_NAME(BINDING_CONTEXT_CMD), HCMD_NAME(TIME_QUOTA_CMD), HCMD_NAME(NON_QOS_TX_COUNTER_CMD), HCMD_NAME(LEDS_CMD), HCMD_NAME(LQ_CMD), HCMD_NAME(FW_PAGING_BLOCK_CMD), HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD), HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD), HCMD_NAME(HOT_SPOT_CMD), HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD), HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP), HCMD_NAME(BT_COEX_CI), HCMD_NAME(PHY_CONFIGURATION_CMD), HCMD_NAME(CALIB_RES_NOTIF_PHY_DB), HCMD_NAME(PHY_DB_CMD), HCMD_NAME(SCAN_OFFLOAD_COMPLETE), HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), HCMD_NAME(POWER_TABLE_CMD), HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF), HCMD_NAME(DC2DC_CONFIG_CMD), HCMD_NAME(NVM_ACCESS_CMD), HCMD_NAME(BEACON_NOTIFICATION), HCMD_NAME(BEACON_TEMPLATE_CMD), HCMD_NAME(TX_ANT_CONFIGURATION_CMD), HCMD_NAME(BT_CONFIG), HCMD_NAME(STATISTICS_CMD), HCMD_NAME(STATISTICS_NOTIFICATION), HCMD_NAME(EOSP_NOTIFICATION), HCMD_NAME(REDUCE_TX_POWER_CMD), HCMD_NAME(CARD_STATE_NOTIFICATION), HCMD_NAME(MISSED_BEACONS_NOTIFICATION), HCMD_NAME(TDLS_CONFIG_CMD), HCMD_NAME(MAC_PM_POWER_TABLE), HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION), HCMD_NAME(MFUART_LOAD_NOTIFICATION), HCMD_NAME(RSS_CONFIG_CMD), HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), HCMD_NAME(REPLY_RX_PHY_CMD), HCMD_NAME(REPLY_RX_MPDU_CMD), HCMD_NAME(BAR_FRAME_RELEASE), HCMD_NAME(FRAME_RELEASE), HCMD_NAME(BA_NOTIF), HCMD_NAME(MCC_UPDATE_CMD), HCMD_NAME(MCC_CHUB_UPDATE_CMD), HCMD_NAME(MARKER_CMD), HCMD_NAME(BT_PROFILE_NOTIFICATION), HCMD_NAME(BCAST_FILTER_CMD), HCMD_NAME(MCAST_FILTER_CMD), HCMD_NAME(REPLY_SF_CFG_CMD), HCMD_NAME(REPLY_BEACON_FILTERING_CMD), HCMD_NAME(D3_CONFIG_CMD), HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD), HCMD_NAME(OFFLOADS_QUERY_CMD), HCMD_NAME(REMOTE_WAKE_CONFIG_CMD), HCMD_NAME(MATCH_FOUND_NOTIFICATION), HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION), HCMD_NAME(WOWLAN_PATTERNS), HCMD_NAME(WOWLAN_CONFIGURATION), HCMD_NAME(WOWLAN_TSC_RSC_PARAM), HCMD_NAME(WOWLAN_TKIP_PARAM), HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL), HCMD_NAME(WOWLAN_GET_STATUSES), HCMD_NAME(SCAN_ITERATION_COMPLETE), HCMD_NAME(D0I3_END_CMD), HCMD_NAME(LTR_CONFIG), HCMD_NAME(LDBG_CONFIG_CMD), }; /* Please keep this array *SORTED* by hex value. * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_system_names[] = { HCMD_NAME(SHARED_MEM_CFG_CMD), HCMD_NAME(INIT_EXTENDED_CFG_CMD), HCMD_NAME(FW_ERROR_RECOVERY_CMD), }; /* Please keep this array *SORTED* by hex value. * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD), HCMD_NAME(SESSION_PROTECTION_CMD), HCMD_NAME(SESSION_PROTECTION_NOTIF), HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF), }; /* Please keep this array *SORTED* by hex value. * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE), HCMD_NAME(CTDP_CONFIG_CMD), HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD), HCMD_NAME(GEO_TX_POWER_LIMIT), HCMD_NAME(CT_KILL_NOTIFICATION), HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), }; /* Please keep this array *SORTED* by hex value. * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { HCMD_NAME(DQA_ENABLE_CMD), HCMD_NAME(UPDATE_MU_GROUPS_CMD), HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), HCMD_NAME(STA_HE_CTXT_CMD), HCMD_NAME(RFH_QUEUE_CONFIG_CMD), HCMD_NAME(TLC_MNG_CONFIG_CMD), HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD), HCMD_NAME(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(DBGC_SUSPEND_RESUME), HCMD_NAME(BUFFER_ALLOCATION), 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_location_names[] = { HCMD_NAME(TOF_RANGE_REQ_CMD), HCMD_NAME(TOF_CONFIG_CMD), HCMD_NAME(TOF_RANGE_ABORT_CMD), HCMD_NAME(TOF_RANGE_REQ_EXT_CMD), HCMD_NAME(TOF_RESPONDER_CONFIG_CMD), HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD), HCMD_NAME(TOF_LC_NOTIF), HCMD_NAME(TOF_RESPONDER_STATS), HCMD_NAME(TOF_MCSI_DEBUG_NOTIF), HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF), }; /* Please keep this array *SORTED* by hex value. * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = { HCMD_NAME(STORED_BEACON_NTF), }; /* Please keep this array *SORTED* by hex value. * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = { HCMD_NAME(NVM_ACCESS_COMPLETE), HCMD_NAME(NVM_GET_INFO), }; static const struct iwl_hcmd_arr iwl_mvm_groups[] = { [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names), [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names), [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names), [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names), [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), [REGULATORY_AND_NVM_GROUP] = HCMD_ARR(iwl_mvm_regulatory_and_nvm_names), }; /* this forward declaration can avoid to export the function */ static void iwl_mvm_async_handlers_wk(struct work_struct *wk); static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm) { const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs; u64 dflt_pwr_limit; if (!backoff) return 0; dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev); while (backoff->pwr) { if (dflt_pwr_limit >= backoff->pwr) return backoff->backoff; backoff++; } return 0; } static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) { struct iwl_mvm *mvm = container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); struct ieee80211_vif *tx_blocked_vif; struct iwl_mvm_vif *mvmvif; mutex_lock(&mvm->mutex); tx_blocked_vif = rcu_dereference_protected(mvm->csa_tx_blocked_vif, lockdep_is_held(&mvm->mutex)); if (!tx_blocked_vif) goto unlock; mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); unlock: mutex_unlock(&mvm->mutex); } static int iwl_mvm_fwrt_dump_start(void *ctx) { struct iwl_mvm *mvm = ctx; mutex_lock(&mvm->mutex); return 0; } static void iwl_mvm_fwrt_dump_end(void *ctx) { struct iwl_mvm *mvm = ctx; mutex_unlock(&mvm->mutex); } static bool iwl_mvm_fwrt_fw_running(void *ctx) { return iwl_mvm_firmware_running(ctx); } static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) { struct iwl_mvm *mvm = (struct iwl_mvm *)ctx; int ret; mutex_lock(&mvm->mutex); ret = iwl_mvm_send_cmd(mvm, host_cmd); mutex_unlock(&mvm->mutex); return ret; } static bool iwl_mvm_d3_debug_enable(void *ctx) { return IWL_MVM_D3_DEBUG; } static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { .dump_start = iwl_mvm_fwrt_dump_start, .dump_end = iwl_mvm_fwrt_dump_end, .fw_running = iwl_mvm_fwrt_fw_running, .send_hcmd = iwl_mvm_fwrt_send_hcmd, .d3_debug_enable = iwl_mvm_d3_debug_enable, }; static u8 iwl_mvm_lookup_notif_ver(struct iwl_mvm *mvm, u8 grp, u8 cmd, u8 def) { const struct iwl_fw_cmd_version *entry; unsigned int i; if (!mvm->fw->ucode_capa.cmd_versions || !mvm->fw->ucode_capa.n_cmd_versions) return def; entry = mvm->fw->ucode_capa.cmd_versions; for (i = 0; i < mvm->fw->ucode_capa.n_cmd_versions; i++, entry++) { if (entry->group == grp && entry->cmd == cmd) { if (entry->notif_ver == IWL_FW_CMD_VER_UNKNOWN) return def; return entry->notif_ver; } } return def; } 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; hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; if (cfg->max_tx_agg_size) hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; else hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; op_mode = hw->priv; mvm = IWL_OP_MODE_GET_MVM(op_mode); mvm->dev = trans->dev; mvm->trans = trans; mvm->cfg = cfg; mvm->fw = fw; mvm->hw = hw; iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm, dbgfs_dir); mvm->init_status = 0; if (iwl_mvm_has_new_rx_api(mvm)) { op_mode->ops = &iwl_mvm_ops_mq; trans->rx_mpdu_cmd_hdr_size = (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) ? sizeof(struct iwl_rx_mpdu_desc) : IWL_RX_DESC_SIZE_V1; } else { op_mode->ops = &iwl_mvm_ops; trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_res_start); if (WARN_ON(trans->num_rx_queues > 1)) goto out_free; } mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0; mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE; mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE; mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE; mvm->sf_state = SF_UNINIT; if (iwl_mvm_has_unified_ucode(mvm)) iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR); else iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT); mvm->drop_bcn_ap_mode = true; mutex_init(&mvm->mutex); spin_lock_init(&mvm->async_handlers_lock); INIT_LIST_HEAD(&mvm->time_event_list); INIT_LIST_HEAD(&mvm->aux_roc_te_list); INIT_LIST_HEAD(&mvm->async_handlers_list); spin_lock_init(&mvm->time_event_lock); INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list); INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); INIT_LIST_HEAD(&mvm->add_stream_txqs); init_waitqueue_head(&mvm->rx_sync_waitq); 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); mvm->cmd_ver.d0i3_resp = iwl_mvm_lookup_notif_ver(mvm, LEGACY_GROUP, D0I3_END_CMD, 0); /* we only support version 1 */ if (WARN_ON_ONCE(mvm->cmd_ver.d0i3_resp > 1)) goto out_free; /* * Populate the state variables that the transport layer needs * to know about. */ trans_cfg.op_mode = op_mode; trans_cfg.no_reclaim_cmds = no_reclaim_cmds; trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) rb_size_default = IWL_AMSDU_2K; else rb_size_default = IWL_AMSDU_4K; switch (iwlwifi_mod_params.amsdu_size) { case IWL_AMSDU_DEF: trans_cfg.rx_buf_size = rb_size_default; break; case IWL_AMSDU_4K: trans_cfg.rx_buf_size = IWL_AMSDU_4K; break; case IWL_AMSDU_8K: trans_cfg.rx_buf_size = IWL_AMSDU_8K; break; case IWL_AMSDU_12K: trans_cfg.rx_buf_size = IWL_AMSDU_12K; break; default: pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME, iwlwifi_mod_params.amsdu_size); trans_cfg.rx_buf_size = rb_size_default; } trans->wide_cmd_header = true; trans_cfg.bc_table_dword = mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210; trans_cfg.command_groups = iwl_mvm_groups; trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE; trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; trans_cfg.scd_set_active = true; trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info, driver_data[2]); 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->trans->name, mvm->trans->hw_rev); if (iwlwifi_mod_params.nvm_file) mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; else IWL_DEBUG_EEPROM(mvm->trans->dev, "working without external nvm file\n"); err = iwl_trans_start_hw(mvm->trans); if (err) goto out_free; mutex_lock(&mvm->mutex); err = iwl_run_init_mvm_ucode(mvm, true); if (err && err != -ERFKILL) iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); if (!iwlmvm_mod_params.init_dbg || !err) iwl_mvm_stop_device(mvm); 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); iwl_mvm_dbgfs_register(mvm, dbgfs_dir); 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)); iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); return op_mode; out_free: iwl_fw_flush_dumps(&mvm->fwrt); iwl_fw_runtime_free(&mvm->fwrt); if (iwlmvm_mod_params.init_dbg) return op_mode; iwl_phy_db_free(mvm->phy_db); kfree(mvm->scan_cmd); iwl_trans_op_mode_leave(trans); ieee80211_free_hw(mvm->hw); return NULL; } static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); int i; iwl_mvm_leds_exit(mvm); iwl_mvm_thermal_exit(mvm); ieee80211_unregister_hw(mvm->hw); kfree(mvm->scan_cmd); kfree(mvm->mcast_filter_cmd); mvm->mcast_filter_cmd = NULL; kfree(mvm->error_recovery_buf); mvm->error_recovery_buf = NULL; 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_fw_runtime_free(&mvm->fwrt); mutex_destroy(&mvm->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; union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt }; iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data); 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, napi, 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(LEGACY_GROUP, BAR_FRAME_RELEASE)) iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0); else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0); else iwl_mvm_rx_common(mvm, rxb, pkt); } 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 int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue) { return queue == mvm->aux_queue || queue == mvm->probe_queue || queue == mvm->p2p_dev_queue || queue == mvm->snif_queue; } static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, int hw_queue, bool start) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); struct ieee80211_sta *sta; struct ieee80211_txq *txq; struct iwl_mvm_txq *mvmtxq; int i; unsigned long tid_bitmap; struct iwl_mvm_sta *mvmsta; u8 sta_id; sta_id = iwl_mvm_has_new_tx_api(mvm) ? mvm->tvqm_info[hw_queue].sta_id : mvm->queue_info[hw_queue].ra_sta_id; if (WARN_ON_ONCE(sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))) return; rcu_read_lock(); sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); if (IS_ERR_OR_NULL(sta)) goto out; mvmsta = iwl_mvm_sta_from_mac80211(sta); if (iwl_mvm_is_static_queue(mvm, hw_queue)) { if (!start) ieee80211_stop_queues(mvm->hw); else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST) ieee80211_wake_queues(mvm->hw); goto out; } if (iwl_mvm_has_new_tx_api(mvm)) { int tid = mvm->tvqm_info[hw_queue].txq_tid; tid_bitmap = BIT(tid); } else { tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap; } for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { int tid = i; if (tid == IWL_MAX_TID_COUNT) tid = IEEE80211_NUM_TIDS; txq = sta->txq[tid]; mvmtxq = iwl_mvm_txq_from_mac80211(txq); mvmtxq->stopped = !start; if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) iwl_mvm_mac_itxq_xmit(mvm->hw, txq); } out: rcu_read_unlock(); } static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) { iwl_mvm_queue_state_change(op_mode, hw_queue, false); } static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) { iwl_mvm_queue_state_change(op_mode, hw_queue, true); } 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 rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done); bool unified = iwl_mvm_has_unified_ucode(mvm); 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 (rfkill_safe_init_done) iwl_abort_notification_waits(&mvm->notif_wait); /* * Don't ask the transport to stop the firmware. We'll do it * after cfg80211 takes us down. */ if (unified) return false; /* * Stop the device if we run OPERATIONAL firmware or if we are in the * middle of the calibrations. */ return state && rfkill_safe_init_done; } 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); iwl_dbg_tlv_del_timers(mvm->trans); /* * 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_error_collect(&mvm->fwrt); } 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 (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { IWL_ERR(mvm, "HW restart already requested, but not started\n"); } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && mvm->hw_registered && !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) { if (mvm->fw->ucode_capa.error_log_size) { u32 src_size = mvm->fw->ucode_capa.error_log_size; u32 src_addr = mvm->fw->ucode_capa.error_log_addr; u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC); if (recover_buf) { mvm->error_recovery_buf = recover_buf; iwl_trans_read_mem_bytes(mvm->trans, src_addr, recover_buf, src_size); } } iwl_fw_error_collect(&mvm->fwrt); 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); } #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, \ /* 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, napi, 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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