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_INJECT_MONITOR_QUEUE: a queue reserved for injection using 72 * monitor mode. Note this queue is the same as the queue for P2P device 73 * but we can't have active monitor mode along with P2P device anyway. 74 * @IWL_MVM_DQA_GCAST_QUEUE: a queue reserved for P2P GO/SoftAP GCAST frames 75 * @IWL_MVM_DQA_BSS_CLIENT_QUEUE: a queue reserved for BSS activity, to ensure 76 * that we are never left without the possibility to connect to an AP. 77 * @IWL_MVM_DQA_MIN_MGMT_QUEUE: first TXQ in pool for MGMT and non-QOS frames. 78 * Each MGMT queue is mapped to a single STA 79 * MGMT frames are frames that return true on ieee80211_is_mgmt() 80 * @IWL_MVM_DQA_MAX_MGMT_QUEUE: last TXQ in pool for MGMT frames 81 * @IWL_MVM_DQA_AP_PROBE_RESP_QUEUE: a queue reserved for P2P GO/SoftAP probe 82 * responses 83 * @IWL_MVM_DQA_MIN_DATA_QUEUE: first TXQ in pool for DATA frames. 84 * DATA frames are intended for !ieee80211_is_mgmt() frames, but if 85 * the MGMT TXQ pool is exhausted, mgmt frames can be sent on DATA queues 86 * as well 87 * @IWL_MVM_DQA_MAX_DATA_QUEUE: last TXQ in pool for DATA frames 88 */ 89 enum iwl_mvm_dqa_txq { 90 IWL_MVM_DQA_CMD_QUEUE = 0, 91 IWL_MVM_DQA_AUX_QUEUE = 1, 92 IWL_MVM_DQA_P2P_DEVICE_QUEUE = 2, 93 IWL_MVM_DQA_INJECT_MONITOR_QUEUE = 2, 94 IWL_MVM_DQA_GCAST_QUEUE = 3, 95 IWL_MVM_DQA_BSS_CLIENT_QUEUE = 4, 96 IWL_MVM_DQA_MIN_MGMT_QUEUE = 5, 97 IWL_MVM_DQA_MAX_MGMT_QUEUE = 8, 98 IWL_MVM_DQA_AP_PROBE_RESP_QUEUE = 9, 99 IWL_MVM_DQA_MIN_DATA_QUEUE = 10, 100 IWL_MVM_DQA_MAX_DATA_QUEUE = 31, 101 }; 102 103 enum iwl_mvm_tx_fifo { 104 IWL_MVM_TX_FIFO_BK = 0, 105 IWL_MVM_TX_FIFO_BE, 106 IWL_MVM_TX_FIFO_VI, 107 IWL_MVM_TX_FIFO_VO, 108 IWL_MVM_TX_FIFO_MCAST = 5, 109 IWL_MVM_TX_FIFO_CMD = 7, 110 }; 111 112 enum iwl_gen2_tx_fifo { 113 IWL_GEN2_TX_FIFO_CMD = 0, 114 IWL_GEN2_EDCA_TX_FIFO_BK, 115 IWL_GEN2_EDCA_TX_FIFO_BE, 116 IWL_GEN2_EDCA_TX_FIFO_VI, 117 IWL_GEN2_EDCA_TX_FIFO_VO, 118 IWL_GEN2_TRIG_TX_FIFO_BK, 119 IWL_GEN2_TRIG_TX_FIFO_BE, 120 IWL_GEN2_TRIG_TX_FIFO_VI, 121 IWL_GEN2_TRIG_TX_FIFO_VO, 122 }; 123 124 /** 125 * enum iwl_tx_queue_cfg_actions - TXQ config options 126 * @TX_QUEUE_CFG_ENABLE_QUEUE: enable a queue 127 * @TX_QUEUE_CFG_TFD_SHORT_FORMAT: use short TFD format 128 */ 129 enum iwl_tx_queue_cfg_actions { 130 TX_QUEUE_CFG_ENABLE_QUEUE = BIT(0), 131 TX_QUEUE_CFG_TFD_SHORT_FORMAT = BIT(1), 132 }; 133 134 #define IWL_DEFAULT_QUEUE_SIZE 256 135 #define IWL_MGMT_QUEUE_SIZE 16 136 /** 137 * struct iwl_tx_queue_cfg_cmd - txq hw scheduler config command 138 * @sta_id: station id 139 * @tid: tid of the queue 140 * @flags: see &enum iwl_tx_queue_cfg_actions 141 * @cb_size: size of TFD cyclic buffer. Value is exponent - 3. 142 * Minimum value 0 (8 TFDs), maximum value 5 (256 TFDs) 143 * @byte_cnt_addr: address of byte count table 144 * @tfdq_addr: address of TFD circular buffer 145 */ 146 struct iwl_tx_queue_cfg_cmd { 147 u8 sta_id; 148 u8 tid; 149 __le16 flags; 150 __le32 cb_size; 151 __le64 byte_cnt_addr; 152 __le64 tfdq_addr; 153 } __packed; /* TX_QUEUE_CFG_CMD_API_S_VER_2 */ 154 155 /** 156 * struct iwl_tx_queue_cfg_rsp - response to txq hw scheduler config 157 * @queue_number: queue number assigned to this RA -TID 158 * @flags: set on failure 159 * @write_pointer: initial value for write pointer 160 * @reserved: reserved 161 */ 162 struct iwl_tx_queue_cfg_rsp { 163 __le16 queue_number; 164 __le16 flags; 165 __le16 write_pointer; 166 __le16 reserved; 167 } __packed; /* TX_QUEUE_CFG_RSP_API_S_VER_2 */ 168 169 #endif /* __iwl_fw_api_txq_h__ */ 170