1 /* $FreeBSD: releng/8.4/sys/dev/iwn/if_iwnvar.h 223252 2011-06-18 12:11:48Z bschmidt $ */
2 /* $OpenBSD: if_iwnvar.h,v 1.18 2010/04/30 16:06:46 damien Exp $ */
3
4 /*-
5 * Copyright (c) 2007, 2008
6 * Damien Bergamini <damien.bergamini@free.fr>
7 * Copyright (c) 2008 Sam Leffler, Errno Consulting
8 *
9 * Permission to use, copy, modify, and distribute this software for any
10 * purpose with or without fee is hereby granted, provided that the above
11 * copyright notice and this permission notice appear in all copies.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
19 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 */
21
22 struct iwn_rx_radiotap_header {
23 struct ieee80211_radiotap_header wr_ihdr;
24 uint64_t wr_tsft;
25 uint8_t wr_flags;
26 uint8_t wr_rate;
27 uint16_t wr_chan_freq;
28 uint16_t wr_chan_flags;
29 int8_t wr_dbm_antsignal;
30 int8_t wr_dbm_antnoise;
31 } __packed;
32
33 #define IWN_RX_RADIOTAP_PRESENT \
34 ((1 << IEEE80211_RADIOTAP_TSFT) | \
35 (1 << IEEE80211_RADIOTAP_FLAGS) | \
36 (1 << IEEE80211_RADIOTAP_RATE) | \
37 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
38 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \
39 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
40
41 struct iwn_tx_radiotap_header {
42 struct ieee80211_radiotap_header wt_ihdr;
43 uint8_t wt_flags;
44 uint8_t wt_rate;
45 uint16_t wt_chan_freq;
46 uint16_t wt_chan_flags;
47 } __packed;
48
49 #define IWN_TX_RADIOTAP_PRESENT \
50 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
51 (1 << IEEE80211_RADIOTAP_RATE) | \
52 (1 << IEEE80211_RADIOTAP_CHANNEL))
53
54 struct iwn_dma_info {
55 bus_dma_tag_t tag;
56 bus_dmamap_t map;
57 bus_dma_segment_t seg;
58 bus_addr_t paddr;
59 caddr_t vaddr;
60 bus_size_t size;
61 };
62
63 struct iwn_tx_data {
64 bus_dmamap_t map;
65 bus_addr_t cmd_paddr;
66 bus_addr_t scratch_paddr;
67 struct mbuf *m;
68 struct ieee80211_node *ni;
69 };
70
71 struct iwn_tx_ring {
72 struct iwn_dma_info desc_dma;
73 struct iwn_dma_info cmd_dma;
74 struct iwn_tx_desc *desc;
75 struct iwn_tx_cmd *cmd;
76 struct iwn_tx_data data[IWN_TX_RING_COUNT];
77 bus_dma_tag_t data_dmat;
78 int qid;
79 int queued;
80 int cur;
81 };
82
83 struct iwn_softc;
84
85 struct iwn_rx_data {
86 struct mbuf *m;
87 bus_dmamap_t map;
88 };
89
90 struct iwn_rx_ring {
91 struct iwn_dma_info desc_dma;
92 struct iwn_dma_info stat_dma;
93 uint32_t *desc;
94 struct iwn_rx_status *stat;
95 struct iwn_rx_data data[IWN_RX_RING_COUNT];
96 bus_dma_tag_t data_dmat;
97 int cur;
98 };
99
100 struct iwn_node {
101 struct ieee80211_node ni; /* must be the first */
102 uint16_t disable_tid;
103 uint8_t id;
104 uint8_t ridx[IEEE80211_RATE_MAXSIZE];
105 };
106
107 struct iwn_calib_state {
108 uint8_t state;
109 #define IWN_CALIB_STATE_INIT 0
110 #define IWN_CALIB_STATE_ASSOC 1
111 #define IWN_CALIB_STATE_RUN 2
112
113 u_int nbeacons;
114 uint32_t noise[3];
115 uint32_t rssi[3];
116 uint32_t ofdm_x1;
117 uint32_t ofdm_mrc_x1;
118 uint32_t ofdm_x4;
119 uint32_t ofdm_mrc_x4;
120 uint32_t cck_x4;
121 uint32_t cck_mrc_x4;
122 uint32_t bad_plcp_ofdm;
123 uint32_t fa_ofdm;
124 uint32_t bad_plcp_cck;
125 uint32_t fa_cck;
126 uint32_t low_fa;
127 uint8_t cck_state;
128 #define IWN_CCK_STATE_INIT 0
129 #define IWN_CCK_STATE_LOFA 1
130 #define IWN_CCK_STATE_HIFA 2
131
132 uint8_t noise_samples[20];
133 u_int cur_noise_sample;
134 uint8_t noise_ref;
135 uint32_t energy_samples[10];
136 u_int cur_energy_sample;
137 uint32_t energy_cck;
138 };
139
140 struct iwn_calib_info {
141 uint8_t *buf;
142 u_int len;
143 };
144
145 struct iwn_fw_part {
146 const uint8_t *text;
147 uint32_t textsz;
148 const uint8_t *data;
149 uint32_t datasz;
150 };
151
152 struct iwn_fw_info {
153 const uint8_t *data;
154 size_t size;
155 struct iwn_fw_part init;
156 struct iwn_fw_part main;
157 struct iwn_fw_part boot;
158 };
159
160 struct iwn_ops {
161 int (*load_firmware)(struct iwn_softc *);
162 void (*read_eeprom)(struct iwn_softc *);
163 int (*post_alive)(struct iwn_softc *);
164 int (*nic_config)(struct iwn_softc *);
165 void (*update_sched)(struct iwn_softc *, int, int, uint8_t,
166 uint16_t);
167 int (*get_temperature)(struct iwn_softc *);
168 int (*get_rssi)(struct iwn_softc *, struct iwn_rx_stat *);
169 int (*set_txpower)(struct iwn_softc *,
170 struct ieee80211_channel *, int);
171 int (*init_gains)(struct iwn_softc *);
172 int (*set_gains)(struct iwn_softc *);
173 int (*add_node)(struct iwn_softc *, struct iwn_node_info *,
174 int);
175 void (*tx_done)(struct iwn_softc *, struct iwn_rx_desc *,
176 struct iwn_rx_data *);
177 #if 0 /* HT */
178 void (*ampdu_tx_start)(struct iwn_softc *,
179 struct ieee80211_node *, uint8_t, uint16_t);
180 void (*ampdu_tx_stop)(struct iwn_softc *, uint8_t,
181 uint16_t);
182 #endif
183 };
184
185 struct iwn_vap {
186 struct ieee80211vap iv_vap;
187 uint8_t iv_ridx;
188
189 int (*iv_newstate)(struct ieee80211vap *,
190 enum ieee80211_state, int);
191 };
192 #define IWN_VAP(_vap) ((struct iwn_vap *)(_vap))
193
194 struct iwn_softc {
195 device_t sc_dev;
196
197 struct ifnet *sc_ifp;
198 int sc_debug;
199
200 struct mtx sc_mtx;
201
202 u_int sc_flags;
203 #define IWN_FLAG_HAS_OTPROM (1 << 1)
204 #define IWN_FLAG_CALIB_DONE (1 << 2)
205 #define IWN_FLAG_USE_ICT (1 << 3)
206 #define IWN_FLAG_INTERNAL_PA (1 << 4)
207 #define IWN_FLAG_HAS_11N (1 << 6)
208 #define IWN_FLAG_ENH_SENS (1 << 7)
209 #define IWN_FLAG_ADV_BTCOEX (1 << 8)
210
211 uint8_t hw_type;
212
213 struct iwn_ops ops;
214 const char *fwname;
215 const struct iwn_sensitivity_limits
216 *limits;
217 int ntxqs;
218 int ndmachnls;
219 uint8_t broadcast_id;
220 int rxonsz;
221 int schedsz;
222 uint32_t fw_text_maxsz;
223 uint32_t fw_data_maxsz;
224 uint32_t fwsz;
225 bus_size_t sched_txfact_addr;
226 uint32_t reset_noise_gain;
227 uint32_t noise_gain;
228
229 /* TX scheduler rings. */
230 struct iwn_dma_info sched_dma;
231 uint16_t *sched;
232 uint32_t sched_base;
233
234 /* "Keep Warm" page. */
235 struct iwn_dma_info kw_dma;
236
237 /* Firmware image. */
238 const struct firmware *fw_fp;
239
240 /* Firmware DMA transfer. */
241 struct iwn_dma_info fw_dma;
242
243 /* ICT table. */
244 struct iwn_dma_info ict_dma;
245 uint32_t *ict;
246 int ict_cur;
247
248 /* TX/RX rings. */
249 struct iwn_tx_ring txq[IWN5000_NTXQUEUES];
250 struct iwn_rx_ring rxq;
251
252 int mem_rid;
253 struct resource *mem;
254 bus_space_tag_t sc_st;
255 bus_space_handle_t sc_sh;
256 int irq_rid;
257 struct resource *irq;
258 void *sc_ih;
259 bus_size_t sc_sz;
260 int sc_cap_off; /* PCIe Capabilities. */
261
262 /* Tasks used by the driver */
263 struct task sc_reinit_task;
264 struct task sc_radioon_task;
265 struct task sc_radiooff_task;
266
267 struct callout calib_to;
268 int calib_cnt;
269 struct iwn_calib_state calib;
270 struct callout watchdog_to;
271
272 struct iwn_fw_info fw;
273 struct iwn_calib_info calibcmd[5];
274 uint32_t errptr;
275
276 struct iwn_rx_stat last_rx_stat;
277 int last_rx_valid;
278 struct iwn_ucode_info ucode_info;
279 struct iwn_rxon rxon;
280 uint32_t rawtemp;
281 int temp;
282 int noise;
283 uint32_t qfullmsk;
284
285 uint32_t prom_base;
286 struct iwn4965_eeprom_band
287 bands[IWN_NBANDS];
288 struct iwn_eeprom_chan eeprom_channels[IWN_NBANDS][IWN_MAX_CHAN_PER_BAND];
289 uint16_t rfcfg;
290 uint8_t calib_ver;
291 char eeprom_domain[4];
292 uint32_t eeprom_crystal;
293 int16_t eeprom_temp;
294 int16_t eeprom_voltage;
295 int8_t maxpwr2GHz;
296 int8_t maxpwr5GHz;
297 int8_t maxpwr[IEEE80211_CHAN_MAX];
298 int8_t enh_maxpwr[35];
299
300 int32_t temp_off;
301 uint32_t int_mask;
302 uint8_t ntxchains;
303 uint8_t nrxchains;
304 uint8_t txchainmask;
305 uint8_t rxchainmask;
306 uint8_t chainmask;
307
308 int sc_tx_timer;
309
310 struct iwn_rx_radiotap_header sc_rxtap;
311 struct iwn_tx_radiotap_header sc_txtap;
312 };
313
314 #define IWN_LOCK_INIT(_sc) \
315 mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
316 MTX_NETWORK_LOCK, MTX_DEF)
317 #define IWN_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
318 #define IWN_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
319 #define IWN_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
320 #define IWN_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
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