/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
* Copyright ( C ) 2012 - 2014 , 2018 , 2024 - 2025 Intel Corporation
* Copyright ( C ) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright ( C ) 2016 - 2017 Intel Deutschland GmbH
*/
#ifndef __iwl_fw_api_tdls_h__
#define __iwl_fw_api_tdls_h__
#include "fw/api/tx.h"
#include "fw/api/phy-ctxt.h"
#define IWL_TDLS_STA_COUNT 4
/* Type of TDLS request */
enum iwl_tdls_channel_switch_type {
TDLS_SEND_CHAN_SW_REQ = 0 ,
TDLS_SEND_CHAN_SW_RESP_AND_MOVE_CH,
TDLS_MOVE_CH,
}; /* TDLS_STA_CHANNEL_SWITCH_CMD_TYPE_API_E_VER_1 */
/**
* struct iwl_tdls_channel_switch_timing - Switch timing in TDLS channel - switch
* @ frame_timestamp : GP2 timestamp of channel - switch request / response packet
* received from peer
* @ max_offchan_duration : What amount of microseconds out of a DTIM is given
* to the TDLS off - channel communication . For instance if the DTIM is
* 200 TU and the TDLS peer is to be given 25 % of the time , the value
* given will be 50 TU , or 50 * 1024 if translated into microseconds .
* @ switch_time : switch time the peer sent in its channel switch timing IE
* @ switch_timeout : switch timeout the peer sent in its channel switch timing IE
*/
struct iwl_tdls_channel_switch_timing {
__le32 frame_timestamp; /* GP2 time of peer packet Rx */
__le32 max_offchan_duration; /* given in micro-seconds */
__le32 switch_time; /* given in micro-seconds */
__le32 switch_timeout; /* given in micro-seconds */
} __packed; /* TDLS_STA_CHANNEL_SWITCH_TIMING_DATA_API_S_VER_1 */
#define IWL_TDLS_CH_SW_FRAME_MAX_SIZE 200
/**
* struct iwl_tdls_channel_switch_frame - TDLS channel switch frame template
*
* A template representing a TDLS channel - switch request or response frame
*
* @ switch_time_offset : offset to the channel switch timing IE in the template
* @ tx_cmd : Tx parameters for the frame
* @ data : frame data
*/
struct iwl_tdls_channel_switch_frame {
__le32 switch_time_offset;
struct iwl_tx_cmd_v6_params tx_cmd;
u8 data[IWL_TDLS_CH_SW_FRAME_MAX_SIZE];
} __packed; /* TDLS_STA_CHANNEL_SWITCH_FRAME_API_S_VER_1 */
/**
* struct iwl_tdls_channel_switch_cmd_tail - tail of iwl_tdls_channel_switch_cmd
*
* @ timing : timing related data for command
* @ frame : channel - switch request / response template , depending to switch_type
*/
struct iwl_tdls_channel_switch_cmd_tail {
struct iwl_tdls_channel_switch_timing timing;
struct iwl_tdls_channel_switch_frame frame;
} __packed;
/**
* struct iwl_tdls_channel_switch_cmd - TDLS channel switch command
*
* The command is sent to initiate a channel switch and also in response to
* incoming TDLS channel - switch request / response packets from remote peers .
*
* @ switch_type : see & enum iwl_tdls_channel_switch_type
* @ peer_sta_id : station id of TDLS peer
* @ ci : channel we switch to
* @ tail : command tail
*/
struct iwl_tdls_channel_switch_cmd {
u8 switch_type;
__le32 peer_sta_id;
struct iwl_fw_channel_info ci;
struct iwl_tdls_channel_switch_cmd_tail tail;
} __packed; /* TDLS_STA_CHANNEL_SWITCH_CMD_API_S_VER_1 */
/**
* struct iwl_tdls_channel_switch_notif - TDLS channel switch start notification
*
* @ status : non - zero on success
* @ offchannel_duration : duration given in microseconds
* @ sta_id : peer currently performing the channel - switch with
*/
struct iwl_tdls_channel_switch_notif {
__le32 status;
__le32 offchannel_duration;
__le32 sta_id;
} __packed; /* TDLS_STA_CHANNEL_SWITCH_NTFY_API_S_VER_1 */
/**
* struct iwl_tdls_sta_info - TDLS station info
*
* @ sta_id : station id of the TDLS peer
* @ tx_to_peer_tid : TID reserved vs . the peer for FW based Tx
* @ tx_to_peer_ssn : initial SSN the FW should use for Tx on its TID vs the peer
* @ is_initiator : 1 if the peer is the TDLS link initiator , 0 otherwise
*/
struct iwl_tdls_sta_info {
u8 sta_id;
u8 tx_to_peer_tid;
__le16 tx_to_peer_ssn;
__le32 is_initiator;
} __packed; /* TDLS_STA_INFO_VER_1 */
/**
* struct iwl_tdls_config_cmd - TDLS basic config command
*
* @ id_and_color : MAC id and color being configured
* @ tdls_peer_count : amount of currently connected TDLS peers
* @ tx_to_ap_tid : TID reverved vs . the AP for FW based Tx
* @ tx_to_ap_ssn : initial SSN the FW should use for Tx on its TID vs . the AP
* @ sta_info : per - station info . Only the first tdls_peer_count entries are set
* @ pti_req_data_offset : offset of network - level data for the PTI template
* @ pti_req_tx_cmd : Tx parameters for PTI request template
* @ pti_req_template : PTI request template data
*/
struct iwl_tdls_config_cmd {
__le32 id_and_color; /* mac id and color */
u8 tdls_peer_count;
u8 tx_to_ap_tid;
__le16 tx_to_ap_ssn;
struct iwl_tdls_sta_info sta_info[IWL_TDLS_STA_COUNT];
__le32 pti_req_data_offset;
struct iwl_tx_cmd_v6_params pti_req_tx_cmd;
u8 pti_req_template[];
} __packed; /* TDLS_CONFIG_CMD_API_S_VER_1 */
/**
* struct iwl_tdls_config_sta_info_res - TDLS per - station config information
*
* @ sta_id : station id of the TDLS peer
* @ tx_to_peer_last_seq : last sequence number used by FW during FW - based Tx to
* the peer
*/
struct iwl_tdls_config_sta_info_res {
__le16 sta_id;
__le16 tx_to_peer_last_seq;
} __packed; /* TDLS_STA_INFO_RSP_VER_1 */
/**
* struct iwl_tdls_config_res - TDLS config information from FW
*
* @ tx_to_ap_last_seq : last sequence number used by FW during FW - based Tx to AP
* @ sta_info : per - station TDLS config information
*/
struct iwl_tdls_config_res {
__le32 tx_to_ap_last_seq;
struct iwl_tdls_config_sta_info_res sta_info[IWL_TDLS_STA_COUNT];
} __packed; /* TDLS_CONFIG_RSP_API_S_VER_1 */
#endif /* __iwl_fw_api_tdls_h__ */
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