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