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
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
/* $OpenBSD: if_iwnvar.h,v 1.2 2007/11/19 19:34:25 damien Exp $ */
/*-
* Copyright (c) 2007
* Damien Bergamini <damien.bergamini@free.fr>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
struct iwn_rx_radiotap_header {
struct ieee80211_radiotap_header wr_ihdr;
uint64_t wr_tsft;
uint8_t wr_flags;
uint8_t wr_rate;
uint16_t wr_chan_freq;
uint16_t wr_chan_flags;
int8_t wr_dbm_antsignal;
int8_t wr_dbm_antnoise;
} __packed;
#define IWN_RX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_TSFT) | \
(1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \
(1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
struct iwn_tx_radiotap_header {
struct ieee80211_radiotap_header wt_ihdr;
uint8_t wt_flags;
uint8_t wt_rate;
uint16_t wt_chan_freq;
uint16_t wt_chan_flags;
uint8_t wt_hwqueue;
} __packed;
#define IWN_TX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_HWQUEUE))
struct iwn_dma_info {
bus_dma_tag_t tag;
bus_dmamap_t map;
bus_dma_segment_t seg;
bus_addr_t paddr;
caddr_t vaddr;
bus_size_t size;
};
struct iwn_tx_data {
bus_dmamap_t map;
struct mbuf *m;
struct ieee80211_node *ni;
};
struct iwn_tx_ring {
struct iwn_dma_info desc_dma;
struct iwn_dma_info cmd_dma;
struct iwn_tx_desc *desc;
struct iwn_tx_cmd *cmd;
struct iwn_tx_data data[IWN_TX_RING_COUNT];
int qid;
int queued;
int cur;
};
#define IWN_RBUF_COUNT (IWN_RX_RING_COUNT + 32)
struct iwn_softc;
struct iwn_rbuf {
struct iwn_softc *sc;
caddr_t vaddr;
bus_addr_t paddr;
SLIST_ENTRY(iwn_rbuf) next;
};
struct iwn_rx_data {
struct mbuf *m;
};
struct iwn_rx_ring {
struct iwn_dma_info desc_dma;
struct iwn_dma_info buf_dma;
uint32_t *desc;
struct iwn_rx_data data[IWN_RX_RING_COUNT];
struct iwn_rbuf rbuf[IWN_RBUF_COUNT];
SLIST_HEAD(, iwn_rbuf) freelist;
int cur;
};
struct iwn_node {
struct ieee80211_node ni; /* must be the first */
struct ieee80211_amrr_node amn;
};
struct iwn_calib_state {
uint8_t state;
#define IWN_CALIB_STATE_INIT 0
#define IWN_CALIB_STATE_ASSOC 1
#define IWN_CALIB_STATE_RUN 2
u_int nbeacons;
uint32_t noise[3];
uint32_t rssi[3];
uint32_t corr_ofdm_x1;
uint32_t corr_ofdm_mrc_x1;
uint32_t corr_ofdm_x4;
uint32_t corr_ofdm_mrc_x4;
uint32_t corr_cck_x4;
uint32_t corr_cck_mrc_x4;
uint32_t bad_plcp_ofdm;
uint32_t fa_ofdm;
uint32_t bad_plcp_cck;
uint32_t fa_cck;
uint32_t low_fa;
uint8_t cck_state;
#define IWN_CCK_STATE_INIT 0
#define IWN_CCK_STATE_LOFA 1
#define IWN_CCK_STATE_HIFA 2
uint8_t noise_samples[20];
u_int cur_noise_sample;
uint8_t noise_ref;
uint32_t energy_samples[10];
u_int cur_energy_sample;
uint32_t energy_cck;
};
struct iwn_softc {
struct device sc_dev;
struct ieee80211com sc_ic;
int (*sc_newstate)(struct ieee80211com *,
enum ieee80211_state, int);
struct ieee80211_amrr amrr;
bus_dma_tag_t sc_dmat;
/* shared area */
struct iwn_dma_info shared_dma;
struct iwn_shared *shared;
/* "keep warm" page */
struct iwn_dma_info kw_dma;
/* firmware DMA transfer */
struct iwn_dma_info fw_dma;
/* rings */
struct iwn_tx_ring txq[IWN_NTXQUEUES];
struct iwn_rx_ring rxq;
bus_space_tag_t sc_st;
bus_space_handle_t sc_sh;
void *sc_ih;
pci_chipset_tag_t sc_pct;
pcitag_t sc_pcitag;
bus_size_t sc_sz;
struct ksensordev sensordev;
struct ksensor sensor;
struct timeout calib_to;
int calib_cnt;
struct iwn_calib_state calib;
struct iwn_rx_stat last_rx_stat;
int last_rx_valid;
struct iwn_ucode_info ucode_info;
struct iwn_config config;
uint32_t rawtemp;
int temp;
int noise;
uint8_t antmsk;
struct iwn_eeprom_band bands[IWN_NBANDS];
int16_t eeprom_voltage;
int8_t maxpwr2GHz;
int8_t maxpwr5GHz;
int8_t maxpwr[IEEE80211_CHAN_MAX];
int sc_tx_timer;
void *powerhook;
#if NBPFILTER > 0
caddr_t sc_drvbpf;
union {
struct iwn_rx_radiotap_header th;
uint8_t pad[IEEE80211_RADIOTAP_HDRLEN];
} sc_rxtapu;
#define sc_rxtap sc_rxtapu.th
int sc_rxtap_len;
union {
struct iwn_tx_radiotap_header th;
uint8_t pad[IEEE80211_RADIOTAP_HDRLEN];
} sc_txtapu;
#define sc_txtap sc_txtapu.th
int sc_txtap_len;
#endif
};
|
