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/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
* Copyright (C) 2005-2014, 2019-2020 Intel Corporation
* Copyright (C) 2013-2015 Intel Mobile Communications GmbH
* Copyright (C) 2016-2017 Intel Deutschland GmbH
*/
#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 = 30,
};
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
#define IWL_CMD_QUEUE_SIZE 32
/**
* 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__ */
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