/****************************************************************************** * * 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) 2007 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH * * 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 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * * BSD LICENSE * * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH * 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. * *****************************************************************************/ #ifndef __iwl_fw_api_txq_h__ #define __iwl_fw_api_txq_h__ /* * DQA queue numbers * * @IWL_MVM_DQA_CMD_QUEUE: a queue reserved for sending HCMDs to the FW * @IWL_MVM_DQA_AUX_QUEUE: a queue reserved for aux frames * @IWL_MVM_DQA_P2P_DEVICE_QUEUE: a queue reserved for P2P device frames * @IWL_MVM_DQA_INJECT_MONITOR_QUEUE: a queue reserved for injection using * monitor mode. Note this queue is the same as the queue for P2P device * but we can't have active monitor mode along with P2P device anyway. * @IWL_MVM_DQA_GCAST_QUEUE: a queue reserved for P2P GO/SoftAP GCAST frames * @IWL_MVM_DQA_BSS_CLIENT_QUEUE: a queue reserved for BSS activity, to ensure * that we are never left without the possibility to connect to an AP. * @IWL_MVM_DQA_MIN_MGMT_QUEUE: first TXQ in pool for MGMT and non-QOS frames. * Each MGMT queue is mapped to a single STA * MGMT frames are frames that return true on ieee80211_is_mgmt() * @IWL_MVM_DQA_MAX_MGMT_QUEUE: last TXQ in pool for MGMT frames * @IWL_MVM_DQA_AP_PROBE_RESP_QUEUE: a queue reserved for P2P GO/SoftAP probe * responses * @IWL_MVM_DQA_MIN_DATA_QUEUE: first TXQ in pool for DATA frames. * DATA frames are intended for !ieee80211_is_mgmt() frames, but if * the MGMT TXQ pool is exhausted, mgmt frames can be sent on DATA queues * as well * @IWL_MVM_DQA_MAX_DATA_QUEUE: last TXQ in pool for DATA frames */ enum iwl_mvm_dqa_txq { IWL_MVM_DQA_CMD_QUEUE = 0, IWL_MVM_DQA_AUX_QUEUE = 1, IWL_MVM_DQA_P2P_DEVICE_QUEUE = 2, IWL_MVM_DQA_INJECT_MONITOR_QUEUE = 2, IWL_MVM_DQA_GCAST_QUEUE = 3, IWL_MVM_DQA_BSS_CLIENT_QUEUE = 4, IWL_MVM_DQA_MIN_MGMT_QUEUE = 5, IWL_MVM_DQA_MAX_MGMT_QUEUE = 8, IWL_MVM_DQA_AP_PROBE_RESP_QUEUE = 9, IWL_MVM_DQA_MIN_DATA_QUEUE = 10, IWL_MVM_DQA_MAX_DATA_QUEUE = 31, }; enum iwl_mvm_tx_fifo { IWL_MVM_TX_FIFO_BK = 0, IWL_MVM_TX_FIFO_BE, IWL_MVM_TX_FIFO_VI, IWL_MVM_TX_FIFO_VO, IWL_MVM_TX_FIFO_MCAST = 5, IWL_MVM_TX_FIFO_CMD = 7, }; enum iwl_gen2_tx_fifo { IWL_GEN2_TX_FIFO_CMD = 0, IWL_GEN2_EDCA_TX_FIFO_BK, IWL_GEN2_EDCA_TX_FIFO_BE, IWL_GEN2_EDCA_TX_FIFO_VI, IWL_GEN2_EDCA_TX_FIFO_VO, IWL_GEN2_TRIG_TX_FIFO_BK, IWL_GEN2_TRIG_TX_FIFO_BE, IWL_GEN2_TRIG_TX_FIFO_VI, IWL_GEN2_TRIG_TX_FIFO_VO, }; /** * enum iwl_tx_queue_cfg_actions - TXQ config options * @TX_QUEUE_CFG_ENABLE_QUEUE: enable a queue * @TX_QUEUE_CFG_TFD_SHORT_FORMAT: use short TFD format */ enum iwl_tx_queue_cfg_actions { TX_QUEUE_CFG_ENABLE_QUEUE = BIT(0), TX_QUEUE_CFG_TFD_SHORT_FORMAT = BIT(1), }; #define IWL_DEFAULT_QUEUE_SIZE 256 #define IWL_MGMT_QUEUE_SIZE 16 /** * struct iwl_tx_queue_cfg_cmd - txq hw scheduler config command * @sta_id: station id * @tid: tid of the queue * @flags: see &enum iwl_tx_queue_cfg_actions * @cb_size: size of TFD cyclic buffer. Value is exponent - 3. * Minimum value 0 (8 TFDs), maximum value 5 (256 TFDs) * @byte_cnt_addr: address of byte count table * @tfdq_addr: address of TFD circular buffer */ struct iwl_tx_queue_cfg_cmd { u8 sta_id; u8 tid; __le16 flags; __le32 cb_size; __le64 byte_cnt_addr; __le64 tfdq_addr; } __packed; /* TX_QUEUE_CFG_CMD_API_S_VER_2 */ /** * struct iwl_tx_queue_cfg_rsp - response to txq hw scheduler config * @queue_number: queue number assigned to this RA -TID * @flags: set on failure * @write_pointer: initial value for write pointer * @reserved: reserved */ struct iwl_tx_queue_cfg_rsp { __le16 queue_number; __le16 flags; __le16 write_pointer; __le16 reserved; } __packed; /* TX_QUEUE_CFG_RSP_API_S_VER_2 */ #endif /* __iwl_fw_api_txq_h__ */