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
162
163
164
|
/*
* mac80211_hwsim - software simulator of 802.11 radio(s) for mac80211
* Copyright (c) 2008, Jouni Malinen <j@w1.fi>
* Copyright (c) 2011, Javier Lopez <jlopex@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __MAC80211_HWSIM_H
#define __MAC80211_HWSIM_H
/**
* enum hwsim_tx_control_flags - flags to describe transmission info/status
*
* These flags are used to give the wmediumd extra information in order to
* modify its behavior for each frame
*
* @HWSIM_TX_CTL_REQ_TX_STATUS: require TX status callback for this frame.
* @HWSIM_TX_CTL_NO_ACK: tell the wmediumd not to wait for an ack
* @HWSIM_TX_STAT_ACK: Frame was acknowledged
*
*/
enum hwsim_tx_control_flags {
HWSIM_TX_CTL_REQ_TX_STATUS = BIT(0),
HWSIM_TX_CTL_NO_ACK = BIT(1),
HWSIM_TX_STAT_ACK = BIT(2),
};
/**
* DOC: Frame transmission/registration support
*
* Frame transmission and registration support exists to allow userspace
* entities such as wmediumd to receive and process all broadcasted
* frames from a mac80211_hwsim radio device.
*
* This allow user space applications to decide if the frame should be
* dropped or not and implement a wireless medium simulator at user space.
*
* Registration is done by sending a register message to the driver and
* will be automatically unregistered if the user application doesn't
* responds to sent frames.
* Once registered the user application has to take responsibility of
* broadcasting the frames to all listening mac80211_hwsim radio
* interfaces.
*
* For more technical details, see the corresponding command descriptions
* below.
*/
/**
* enum hwsim_commands - supported hwsim commands
*
* @HWSIM_CMD_UNSPEC: unspecified command to catch errors
*
* @HWSIM_CMD_REGISTER: request to register and received all broadcasted
* frames by any mac80211_hwsim radio device.
* @HWSIM_CMD_FRAME: send/receive a broadcasted frame from/to kernel/user
* space, uses:
* %HWSIM_ATTR_ADDR_TRANSMITTER, %HWSIM_ATTR_ADDR_RECEIVER,
* %HWSIM_ATTR_FRAME, %HWSIM_ATTR_FLAGS, %HWSIM_ATTR_RX_RATE,
* %HWSIM_ATTR_SIGNAL, %HWSIM_ATTR_COOKIE
* @HWSIM_CMD_TX_INFO_FRAME: Transmission info report from user space to
* kernel, uses:
* %HWSIM_ATTR_ADDR_TRANSMITTER, %HWSIM_ATTR_FLAGS,
* %HWSIM_ATTR_TX_INFO, %HWSIM_ATTR_SIGNAL, %HWSIM_ATTR_COOKIE
* @HWSIM_CMD_CREATE_RADIO: create a new radio with the given parameters,
* returns the radio ID (>= 0) or negative on errors
* @HWSIM_CMD_DESTROY_RADIO: destroy a radio
* @__HWSIM_CMD_MAX: enum limit
*/
enum {
HWSIM_CMD_UNSPEC,
HWSIM_CMD_REGISTER,
HWSIM_CMD_FRAME,
HWSIM_CMD_TX_INFO_FRAME,
HWSIM_CMD_CREATE_RADIO,
HWSIM_CMD_DESTROY_RADIO,
__HWSIM_CMD_MAX,
};
#define HWSIM_CMD_MAX (_HWSIM_CMD_MAX - 1)
/**
* enum hwsim_attrs - hwsim netlink attributes
*
* @HWSIM_ATTR_UNSPEC: unspecified attribute to catch errors
*
* @HWSIM_ATTR_ADDR_RECEIVER: MAC address of the radio device that
* the frame is broadcasted to
* @HWSIM_ATTR_ADDR_TRANSMITTER: MAC address of the radio device that
* the frame was broadcasted from
* @HWSIM_ATTR_FRAME: Data array
* @HWSIM_ATTR_FLAGS: mac80211 transmission flags, used to process
properly the frame at user space
* @HWSIM_ATTR_RX_RATE: estimated rx rate index for this frame at user
space
* @HWSIM_ATTR_SIGNAL: estimated RX signal for this frame at user
space
* @HWSIM_ATTR_TX_INFO: ieee80211_tx_rate array
* @HWSIM_ATTR_COOKIE: sk_buff cookie to identify the frame
* @HWSIM_ATTR_CHANNELS: u32 attribute used with the %HWSIM_CMD_CREATE_RADIO
* command giving the number of channels supported by the new radio
* @HWSIM_ATTR_RADIO_ID: u32 attribute used with %HWSIM_CMD_DESTROY_RADIO
* only to destroy a radio
* @HWSIM_ATTR_REG_HINT_ALPHA2: alpha2 for regulatoro driver hint
* (nla string, length 2)
* @HWSIM_ATTR_REG_CUSTOM_REG: custom regulatory domain index (u32 attribute)
* @HWSIM_ATTR_REG_STRICT_REG: request REGULATORY_STRICT_REG (flag attribute)
* @HWSIM_ATTR_SUPPORT_P2P_DEVICE: support P2P Device virtual interface (flag)
* @HWSIM_ATTR_USE_CHANCTX: used with the %HWSIM_CMD_CREATE_RADIO
* command to force use of channel contexts even when only a
* single channel is supported
* @HWSIM_ATTR_DESTROY_RADIO_ON_CLOSE: used with the %HWSIM_CMD_CREATE_RADIO
* command to force radio removal when process that created the radio dies
* @HWSIM_ATTR_RADIO_NAME: Name of radio, e.g. phy666
* @HWSIM_ATTR_NO_VIF: Do not create vif (wlanX) when creating radio.
* @__HWSIM_ATTR_MAX: enum limit
*/
enum {
HWSIM_ATTR_UNSPEC,
HWSIM_ATTR_ADDR_RECEIVER,
HWSIM_ATTR_ADDR_TRANSMITTER,
HWSIM_ATTR_FRAME,
HWSIM_ATTR_FLAGS,
HWSIM_ATTR_RX_RATE,
HWSIM_ATTR_SIGNAL,
HWSIM_ATTR_TX_INFO,
HWSIM_ATTR_COOKIE,
HWSIM_ATTR_CHANNELS,
HWSIM_ATTR_RADIO_ID,
HWSIM_ATTR_REG_HINT_ALPHA2,
HWSIM_ATTR_REG_CUSTOM_REG,
HWSIM_ATTR_REG_STRICT_REG,
HWSIM_ATTR_SUPPORT_P2P_DEVICE,
HWSIM_ATTR_USE_CHANCTX,
HWSIM_ATTR_DESTROY_RADIO_ON_CLOSE,
HWSIM_ATTR_RADIO_NAME,
HWSIM_ATTR_NO_VIF,
__HWSIM_ATTR_MAX,
};
#define HWSIM_ATTR_MAX (__HWSIM_ATTR_MAX - 1)
/**
* struct hwsim_tx_rate - rate selection/status
*
* @idx: rate index to attempt to send with
* @count: number of tries in this rate before going to the next rate
*
* A value of -1 for @idx indicates an invalid rate and, if used
* in an array of retry rates, that no more rates should be tried.
*
* When used for transmit status reporting, the driver should
* always report the rate and number of retries used.
*
*/
struct hwsim_tx_rate {
s8 idx;
u8 count;
} __packed;
#endif /* __MAC80211_HWSIM_H */
|
