blob: 498e6dec7e67f6efbc78ea19b4b34bf9f3515d17 (
plain) (
blame)
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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/* SPDX-License-Identifier: GPL-2.0 */
/******************************************************************************
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <wlanfae@realtek.com>
* Larry Finger <Larry.Finger@lwfinger.net>
*
******************************************************************************/
#ifndef _WIFI_H_
#define _WIFI_H_
#include <linux/compiler.h>
#include <linux/ieee80211.h>
#define WLAN_HDR_A3_LEN 24
#define WLAN_HDR_A3_QOS_LEN 26
enum WIFI_FRAME_TYPE {
WIFI_QOS_DATA_TYPE = (BIT(7) | BIT(3)), /*!< QoS Data */
};
#define SetToDs(pbuf) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_TODS); \
})
#define GetToDs(pbuf) (((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0)
#define ClearToDs(pbuf) ({ \
*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_TODS)); \
})
#define SetFrDs(pbuf) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_FROMDS); \
})
#define GetFrDs(pbuf) (((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0)
#define ClearFrDs(pbuf) ({ \
*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_FROMDS)); \
})
static inline unsigned char get_tofr_ds(unsigned char *pframe)
{
return ((GetToDs(pframe) << 1) | GetFrDs(pframe));
}
#define SetMFrag(pbuf) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_MOREFRAGS); \
})
#define GetMFrag(pbuf) (((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0)
#define ClearMFrag(pbuf) ({ \
*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)); \
})
#define SetRetry(pbuf) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_RETRY); \
})
#define GetRetry(pbuf) (((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0)
#define ClearRetry(pbuf) ({ \
*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_RETRY)); \
})
#define SetPwrMgt(pbuf) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_PM); \
})
#define GetPwrMgt(pbuf) (((*(__le16 *)(pbuf)) & \
cpu_to_le16(IEEE80211_FCTL_PM)) != 0)
#define ClearPwrMgt(pbuf) ({ \
*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_PM)); \
})
#define SetMData(pbuf) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_MOREDATA); \
})
#define GetMData(pbuf) (((*(__le16 *)(pbuf)) & \
cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0)
#define ClearMData(pbuf) ({ \
*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_MOREDATA)); \
})
#define SetPrivacy(pbuf) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_PROTECTED); \
})
#define GetPrivacy(pbuf) (((*(__le16 *)(pbuf)) & \
cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0)
#define GetOrder(pbuf) (((*(__le16 *)(pbuf)) & \
cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0)
#define GetFrameType(pbuf) (le16_to_cpu(*(__le16 *)(pbuf)) & \
(BIT(3) | BIT(2)))
#define SetFrameType(pbuf, type) \
do { \
*(__le16 *)(pbuf) &= cpu_to_le16(~(BIT(3) | \
BIT(2))); \
*(__le16 *)(pbuf) |= cpu_to_le16(type); \
} while (0)
#define GetFrameSubType(pbuf) (le16_to_cpu(*(__le16 *)(pbuf)) & \
(BIT(7) | BIT(6) | BIT(5) | BIT(4) | BIT(3) | \
BIT(2)))
#define SetFrameSubType(pbuf, type) \
do { \
*(__le16 *)(pbuf) &= cpu_to_le16(~(BIT(7) | BIT(6) | \
BIT(5) | BIT(4) | BIT(3) | BIT(2))); \
*(__le16 *)(pbuf) |= cpu_to_le16(type); \
} while (0)
#define GetSequence(pbuf) (le16_to_cpu(*(__le16 *)\
((addr_t)(pbuf) + 22)) >> 4)
#define GetFragNum(pbuf) (le16_to_cpu(*(__le16 *)((addr_t)\
(pbuf) + 22)) & 0x0f)
#define SetSeqNum(pbuf, num) ({ \
*(__le16 *)((addr_t)(pbuf) + 22) = \
cpu_to_le16((le16_to_cpu(*(__le16 *)((addr_t)(pbuf) + 22)) & \
0x000f) | (0xfff0 & (num << 4))); \
})
#define SetPriority(pbuf, tid) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(tid & 0xf); \
})
#define GetPriority(pbuf) ((le16_to_cpu(*(__le16 *)(pbuf))) & 0xf)
#define SetAckpolicy(pbuf, ack) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16((ack & 3) << 5); \
})
#define GetAckpolicy(pbuf) (((le16_to_cpu(*(__le16 *)pbuf)) >> 5) & 0x3)
#define GetAMsdu(pbuf) (((le16_to_cpu(*(__le16 *)pbuf)) >> 7) & 0x1)
#define GetAddr1Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 4))
#define GetAddr2Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 10))
#define GetAddr3Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 16))
#define GetAddr4Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 24))
static inline unsigned char *get_hdr_bssid(unsigned char *pframe)
{
unsigned char *sa;
unsigned int to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
switch (to_fr_ds) {
case 0x00: /* ToDs=0, FromDs=0 */
sa = GetAddr3Ptr(pframe);
break;
case 0x01: /* ToDs=0, FromDs=1 */
sa = GetAddr2Ptr(pframe);
break;
case 0x02: /* ToDs=1, FromDs=0 */
sa = GetAddr1Ptr(pframe);
break;
default: /* ToDs=1, FromDs=1 */
sa = NULL;
break;
}
return sa;
}
/* ---------------------------------------------------------------------------
* Below is the fixed elements...
* ---------------------------------------------------------------------------
*/
#define _BEACON_ITERVAL_ 2
#define _CAPABILITY_ 2
#define _TIMESTAMP_ 8
/*-----------------------------------------------------------------------------
* Below is the definition for WMM
*------------------------------------------------------------------------------
*/
#define _WMM_IE_Length_ 7 /* for WMM STA */
#endif /* _WIFI_H_ */
|
