1 /****************************************************************************** 2 * 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * GPL LICENSE SUMMARY 7 * 8 * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved. 9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of version 2 of the GNU General Public License as 14 * published by the Free Software Foundation. 15 * 16 * This program is distributed in the hope that it will be useful, but 17 * WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 * General Public License for more details. 20 * 21 * The full GNU General Public License is included in this distribution 22 * in the file called COPYING. 23 * 24 * Contact Information: 25 * Intel Linux Wireless <linuxwifi@intel.com> 26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 27 * 28 * BSD LICENSE 29 * 30 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. 31 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 32 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 33 * All rights reserved. 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 39 * * Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * * Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in 43 * the documentation and/or other materials provided with the 44 * distribution. 45 * * Neither the name Intel Corporation nor the names of its 46 * contributors may be used to endorse or promote products derived 47 * from this software without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 50 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 51 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 52 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 53 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 54 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 55 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 56 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 57 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 59 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 60 * 61 *****************************************************************************/ 62 #ifndef __iwl_fw_api_txq_h__ 63 #define __iwl_fw_api_txq_h__ 64 65 /* 66 * DQA queue numbers 67 * 68 * @IWL_MVM_DQA_CMD_QUEUE: a queue reserved for sending HCMDs to the FW 69 * @IWL_MVM_DQA_AUX_QUEUE: a queue reserved for aux frames 70 * @IWL_MVM_DQA_P2P_DEVICE_QUEUE: a queue reserved for P2P device frames 71 * @IWL_MVM_DQA_GCAST_QUEUE: a queue reserved for P2P GO/SoftAP GCAST frames 72 * @IWL_MVM_DQA_BSS_CLIENT_QUEUE: a queue reserved for BSS activity, to ensure 73 * that we are never left without the possibility to connect to an AP. 74 * @IWL_MVM_DQA_MIN_MGMT_QUEUE: first TXQ in pool for MGMT and non-QOS frames. 75 * Each MGMT queue is mapped to a single STA 76 * MGMT frames are frames that return true on ieee80211_is_mgmt() 77 * @IWL_MVM_DQA_MAX_MGMT_QUEUE: last TXQ in pool for MGMT frames 78 * @IWL_MVM_DQA_AP_PROBE_RESP_QUEUE: a queue reserved for P2P GO/SoftAP probe 79 * responses 80 * @IWL_MVM_DQA_MIN_DATA_QUEUE: first TXQ in pool for DATA frames. 81 * DATA frames are intended for !ieee80211_is_mgmt() frames, but if 82 * the MGMT TXQ pool is exhausted, mgmt frames can be sent on DATA queues 83 * as well 84 * @IWL_MVM_DQA_MAX_DATA_QUEUE: last TXQ in pool for DATA frames 85 */ 86 enum iwl_mvm_dqa_txq { 87 IWL_MVM_DQA_CMD_QUEUE = 0, 88 IWL_MVM_DQA_AUX_QUEUE = 1, 89 IWL_MVM_DQA_P2P_DEVICE_QUEUE = 2, 90 IWL_MVM_DQA_GCAST_QUEUE = 3, 91 IWL_MVM_DQA_BSS_CLIENT_QUEUE = 4, 92 IWL_MVM_DQA_MIN_MGMT_QUEUE = 5, 93 IWL_MVM_DQA_MAX_MGMT_QUEUE = 8, 94 IWL_MVM_DQA_AP_PROBE_RESP_QUEUE = 9, 95 IWL_MVM_DQA_MIN_DATA_QUEUE = 10, 96 IWL_MVM_DQA_MAX_DATA_QUEUE = 31, 97 }; 98 99 enum iwl_mvm_tx_fifo { 100 IWL_MVM_TX_FIFO_BK = 0, 101 IWL_MVM_TX_FIFO_BE, 102 IWL_MVM_TX_FIFO_VI, 103 IWL_MVM_TX_FIFO_VO, 104 IWL_MVM_TX_FIFO_MCAST = 5, 105 IWL_MVM_TX_FIFO_CMD = 7, 106 }; 107 108 enum iwl_gen2_tx_fifo { 109 IWL_GEN2_TX_FIFO_CMD = 0, 110 IWL_GEN2_EDCA_TX_FIFO_BK, 111 IWL_GEN2_EDCA_TX_FIFO_BE, 112 IWL_GEN2_EDCA_TX_FIFO_VI, 113 IWL_GEN2_EDCA_TX_FIFO_VO, 114 IWL_GEN2_TRIG_TX_FIFO_BK, 115 IWL_GEN2_TRIG_TX_FIFO_BE, 116 IWL_GEN2_TRIG_TX_FIFO_VI, 117 IWL_GEN2_TRIG_TX_FIFO_VO, 118 }; 119 120 /** 121 * enum iwl_tx_queue_cfg_actions - TXQ config options 122 * @TX_QUEUE_CFG_ENABLE_QUEUE: enable a queue 123 * @TX_QUEUE_CFG_TFD_SHORT_FORMAT: use short TFD format 124 */ 125 enum iwl_tx_queue_cfg_actions { 126 TX_QUEUE_CFG_ENABLE_QUEUE = BIT(0), 127 TX_QUEUE_CFG_TFD_SHORT_FORMAT = BIT(1), 128 }; 129 130 /** 131 * struct iwl_tx_queue_cfg_cmd - txq hw scheduler config command 132 * @sta_id: station id 133 * @tid: tid of the queue 134 * @flags: see &enum iwl_tx_queue_cfg_actions 135 * @cb_size: size of TFD cyclic buffer. Value is exponent - 3. 136 * Minimum value 0 (8 TFDs), maximum value 5 (256 TFDs) 137 * @byte_cnt_addr: address of byte count table 138 * @tfdq_addr: address of TFD circular buffer 139 */ 140 struct iwl_tx_queue_cfg_cmd { 141 u8 sta_id; 142 u8 tid; 143 __le16 flags; 144 __le32 cb_size; 145 __le64 byte_cnt_addr; 146 __le64 tfdq_addr; 147 } __packed; /* TX_QUEUE_CFG_CMD_API_S_VER_2 */ 148 149 /** 150 * struct iwl_tx_queue_cfg_rsp - response to txq hw scheduler config 151 * @queue_number: queue number assigned to this RA -TID 152 * @flags: set on failure 153 * @write_pointer: initial value for write pointer 154 * @reserved: reserved 155 */ 156 struct iwl_tx_queue_cfg_rsp { 157 __le16 queue_number; 158 __le16 flags; 159 __le16 write_pointer; 160 __le16 reserved; 161 } __packed; /* TX_QUEUE_CFG_RSP_API_S_VER_2 */ 162 163 #endif /* __iwl_fw_api_txq_h__ */ 164