1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright (C) 2012-2014, 2018 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
7 #ifndef __iwl_fw_api_tdls_h__
8 #define __iwl_fw_api_tdls_h__
10 #include "fw/api/tx.h"
11 #include "fw/api/phy-ctxt.h"
13 #define IWL_MVM_TDLS_STA_COUNT 4
15 /* Type of TDLS request */
16 enum iwl_tdls_channel_switch_type {
17 TDLS_SEND_CHAN_SW_REQ = 0,
18 TDLS_SEND_CHAN_SW_RESP_AND_MOVE_CH,
20 }; /* TDLS_STA_CHANNEL_SWITCH_CMD_TYPE_API_E_VER_1 */
23 * struct iwl_tdls_channel_switch_timing - Switch timing in TDLS channel-switch
24 * @frame_timestamp: GP2 timestamp of channel-switch request/response packet
26 * @max_offchan_duration: What amount of microseconds out of a DTIM is given
27 * to the TDLS off-channel communication. For instance if the DTIM is
28 * 200TU and the TDLS peer is to be given 25% of the time, the value
29 * given will be 50TU, or 50 * 1024 if translated into microseconds.
30 * @switch_time: switch time the peer sent in its channel switch timing IE
31 * @switch_timeout: switch timeout the peer sent in its channel switch timing IE
33 struct iwl_tdls_channel_switch_timing {
34 __le32 frame_timestamp; /* GP2 time of peer packet Rx */
35 __le32 max_offchan_duration; /* given in micro-seconds */
36 __le32 switch_time; /* given in micro-seconds */
37 __le32 switch_timeout; /* given in micro-seconds */
38 } __packed; /* TDLS_STA_CHANNEL_SWITCH_TIMING_DATA_API_S_VER_1 */
40 #define IWL_TDLS_CH_SW_FRAME_MAX_SIZE 200
43 * struct iwl_tdls_channel_switch_frame - TDLS channel switch frame template
45 * A template representing a TDLS channel-switch request or response frame
47 * @switch_time_offset: offset to the channel switch timing IE in the template
48 * @tx_cmd: Tx parameters for the frame
51 struct iwl_tdls_channel_switch_frame {
52 __le32 switch_time_offset;
53 struct iwl_tx_cmd tx_cmd;
54 u8 data[IWL_TDLS_CH_SW_FRAME_MAX_SIZE];
55 } __packed; /* TDLS_STA_CHANNEL_SWITCH_FRAME_API_S_VER_1 */
58 * struct iwl_tdls_channel_switch_cmd_tail - tail of iwl_tdls_channel_switch_cmd
60 * @timing: timing related data for command
61 * @frame: channel-switch request/response template, depending to switch_type
63 struct iwl_tdls_channel_switch_cmd_tail {
64 struct iwl_tdls_channel_switch_timing timing;
65 struct iwl_tdls_channel_switch_frame frame;
69 * struct iwl_tdls_channel_switch_cmd - TDLS channel switch command
71 * The command is sent to initiate a channel switch and also in response to
72 * incoming TDLS channel-switch request/response packets from remote peers.
74 * @switch_type: see &enum iwl_tdls_channel_switch_type
75 * @peer_sta_id: station id of TDLS peer
76 * @ci: channel we switch to
79 struct iwl_tdls_channel_switch_cmd {
82 struct iwl_fw_channel_info ci;
83 struct iwl_tdls_channel_switch_cmd_tail tail;
84 } __packed; /* TDLS_STA_CHANNEL_SWITCH_CMD_API_S_VER_1 */
87 * struct iwl_tdls_channel_switch_notif - TDLS channel switch start notification
89 * @status: non-zero on success
90 * @offchannel_duration: duration given in microseconds
91 * @sta_id: peer currently performing the channel-switch with
93 struct iwl_tdls_channel_switch_notif {
95 __le32 offchannel_duration;
97 } __packed; /* TDLS_STA_CHANNEL_SWITCH_NTFY_API_S_VER_1 */
100 * struct iwl_tdls_sta_info - TDLS station info
102 * @sta_id: station id of the TDLS peer
103 * @tx_to_peer_tid: TID reserved vs. the peer for FW based Tx
104 * @tx_to_peer_ssn: initial SSN the FW should use for Tx on its TID vs the peer
105 * @is_initiator: 1 if the peer is the TDLS link initiator, 0 otherwise
107 struct iwl_tdls_sta_info {
110 __le16 tx_to_peer_ssn;
112 } __packed; /* TDLS_STA_INFO_VER_1 */
115 * struct iwl_tdls_config_cmd - TDLS basic config command
117 * @id_and_color: MAC id and color being configured
118 * @tdls_peer_count: amount of currently connected TDLS peers
119 * @tx_to_ap_tid: TID reverved vs. the AP for FW based Tx
120 * @tx_to_ap_ssn: initial SSN the FW should use for Tx on its TID vs. the AP
121 * @sta_info: per-station info. Only the first tdls_peer_count entries are set
122 * @pti_req_data_offset: offset of network-level data for the PTI template
123 * @pti_req_tx_cmd: Tx parameters for PTI request template
124 * @pti_req_template: PTI request template data
126 struct iwl_tdls_config_cmd {
127 __le32 id_and_color; /* mac id and color */
131 struct iwl_tdls_sta_info sta_info[IWL_MVM_TDLS_STA_COUNT];
133 __le32 pti_req_data_offset;
134 struct iwl_tx_cmd pti_req_tx_cmd;
135 u8 pti_req_template[];
136 } __packed; /* TDLS_CONFIG_CMD_API_S_VER_1 */
139 * struct iwl_tdls_config_sta_info_res - TDLS per-station config information
141 * @sta_id: station id of the TDLS peer
142 * @tx_to_peer_last_seq: last sequence number used by FW during FW-based Tx to
145 struct iwl_tdls_config_sta_info_res {
147 __le16 tx_to_peer_last_seq;
148 } __packed; /* TDLS_STA_INFO_RSP_VER_1 */
151 * struct iwl_tdls_config_res - TDLS config information from FW
153 * @tx_to_ap_last_seq: last sequence number used by FW during FW-based Tx to AP
154 * @sta_info: per-station TDLS config information
156 struct iwl_tdls_config_res {
157 __le32 tx_to_ap_last_seq;
158 struct iwl_tdls_config_sta_info_res sta_info[IWL_MVM_TDLS_STA_COUNT];
159 } __packed; /* TDLS_CONFIG_RSP_API_S_VER_1 */
161 #endif /* __iwl_fw_api_tdls_h__ */