blob: 14d35000abed2dd181df4181205e35efee5b7ee0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
* Copyright (C) 2012-2014, 2018 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_MVM_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
* 200TU and the TDLS peer is to be given 25% of the time, the value
* given will be 50TU, 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 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_MVM_TDLS_STA_COUNT];
__le32 pti_req_data_offset;
struct iwl_tx_cmd pti_req_tx_cmd;
u8 pti_req_template[0];
} __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_MVM_TDLS_STA_COUNT];
} __packed; /* TDLS_CONFIG_RSP_API_S_VER_1 */
#endif /* __iwl_fw_api_tdls_h__ */
|
