1 /* $FreeBSD: releng/11.1/sys/dev/iwn/if_iwnvar.h 300732 2016-05-26 11:12:36Z avos $ */
2 /* $OpenBSD: if_iwnvar.h,v 1.18 2010/04/30 16:06:46 damien Exp $ */
3
4 /*-
5 * Copyright (c) 2013 Cedric GROSS <cg@cgross.info>
6 * Copyright (c) 2011 Intel Corporation
7 * Copyright (c) 2007, 2008
8 * Damien Bergamini <damien.bergamini@free.fr>
9 * Copyright (c) 2008 Sam Leffler, Errno Consulting
10 *
11 * Permission to use, copy, modify, and distribute this software for any
12 * purpose with or without fee is hereby granted, provided that the above
13 * copyright notice and this permission notice appear in all copies.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
16 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
17 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
18 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
20 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
21 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22 */
23 enum iwn_rxon_ctx_id {
24 IWN_RXON_BSS_CTX,
25 IWN_RXON_PAN_CTX,
26 IWN_NUM_RXON_CTX
27 };
28
29 struct iwn_pan_slot {
30 uint16_t time;
31 uint8_t type;
32 uint8_t reserved;
33 } __packed;
34
35 struct iwn_pan_params_cmd {
36 uint16_t flags;
37 #define IWN_PAN_PARAMS_FLG_SLOTTED_MODE (1 << 3)
38
39 uint8_t reserved;
40 uint8_t num_slots;
41 struct iwn_pan_slot slots[10];
42 } __packed;
43
44 struct iwn_led_mode
45 {
46 uint8_t led_cur_mode;
47 uint64_t led_cur_bt;
48 uint64_t led_last_bt;
49 uint64_t led_cur_tpt;
50 uint64_t led_last_tpt;
51 uint64_t led_bt_diff;
52 int led_cur_time;
53 int led_last_time;
54 };
55
56 struct iwn_rx_radiotap_header {
57 struct ieee80211_radiotap_header wr_ihdr;
58 uint64_t wr_tsft;
59 uint8_t wr_flags;
60 uint8_t wr_rate;
61 uint16_t wr_chan_freq;
62 uint16_t wr_chan_flags;
63 int8_t wr_dbm_antsignal;
64 int8_t wr_dbm_antnoise;
65 } __packed;
66
67 #define IWN_RX_RADIOTAP_PRESENT \
68 ((1 << IEEE80211_RADIOTAP_TSFT) | \
69 (1 << IEEE80211_RADIOTAP_FLAGS) | \
70 (1 << IEEE80211_RADIOTAP_RATE) | \
71 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
72 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \
73 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
74
75 struct iwn_tx_radiotap_header {
76 struct ieee80211_radiotap_header wt_ihdr;
77 uint8_t wt_flags;
78 uint8_t wt_rate;
79 uint16_t wt_chan_freq;
80 uint16_t wt_chan_flags;
81 } __packed;
82
83 #define IWN_TX_RADIOTAP_PRESENT \
84 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
85 (1 << IEEE80211_RADIOTAP_RATE) | \
86 (1 << IEEE80211_RADIOTAP_CHANNEL))
87
88 struct iwn_dma_info {
89 bus_dma_tag_t tag;
90 bus_dmamap_t map;
91 bus_dma_segment_t seg;
92 bus_addr_t paddr;
93 caddr_t vaddr;
94 bus_size_t size;
95 };
96
97 struct iwn_tx_data {
98 bus_dmamap_t map;
99 bus_addr_t cmd_paddr;
100 bus_addr_t scratch_paddr;
101 struct mbuf *m;
102 struct ieee80211_node *ni;
103 };
104
105 struct iwn_tx_ring {
106 struct iwn_dma_info desc_dma;
107 struct iwn_dma_info cmd_dma;
108 struct iwn_tx_desc *desc;
109 struct iwn_tx_cmd *cmd;
110 struct iwn_tx_data data[IWN_TX_RING_COUNT];
111 bus_dma_tag_t data_dmat;
112 int qid;
113 int queued;
114 int cur;
115 int read;
116 };
117
118 struct iwn_softc;
119
120 struct iwn_rx_data {
121 struct mbuf *m;
122 bus_dmamap_t map;
123 };
124
125 struct iwn_rx_ring {
126 struct iwn_dma_info desc_dma;
127 struct iwn_dma_info stat_dma;
128 uint32_t *desc;
129 struct iwn_rx_status *stat;
130 struct iwn_rx_data data[IWN_RX_RING_COUNT];
131 bus_dma_tag_t data_dmat;
132 int cur;
133 };
134
135 struct iwn_node {
136 struct ieee80211_node ni; /* must be the first */
137 uint16_t disable_tid;
138 uint8_t id;
139 struct {
140 uint64_t bitmap;
141 int startidx;
142 int nframes;
143 } agg[IEEE80211_TID_SIZE];
144 };
145
146 struct iwn_calib_state {
147 uint8_t state;
148 #define IWN_CALIB_STATE_INIT 0
149 #define IWN_CALIB_STATE_ASSOC 1
150 #define IWN_CALIB_STATE_RUN 2
151
152 u_int nbeacons;
153 uint32_t noise[3];
154 uint32_t rssi[3];
155 uint32_t ofdm_x1;
156 uint32_t ofdm_mrc_x1;
157 uint32_t ofdm_x4;
158 uint32_t ofdm_mrc_x4;
159 uint32_t cck_x4;
160 uint32_t cck_mrc_x4;
161 uint32_t bad_plcp_ofdm;
162 uint32_t fa_ofdm;
163 uint32_t bad_plcp_cck;
164 uint32_t fa_cck;
165 uint32_t low_fa;
166 uint32_t bad_plcp_ht;
167 uint8_t cck_state;
168 #define IWN_CCK_STATE_INIT 0
169 #define IWN_CCK_STATE_LOFA 1
170 #define IWN_CCK_STATE_HIFA 2
171
172 uint8_t noise_samples[20];
173 u_int cur_noise_sample;
174 uint8_t noise_ref;
175 uint32_t energy_samples[10];
176 u_int cur_energy_sample;
177 uint32_t energy_cck;
178 };
179
180 struct iwn_calib_info {
181 uint8_t *buf;
182 u_int len;
183 };
184
185 struct iwn_fw_part {
186 const uint8_t *text;
187 uint32_t textsz;
188 const uint8_t *data;
189 uint32_t datasz;
190 };
191
192 struct iwn_fw_info {
193 const uint8_t *data;
194 size_t size;
195 struct iwn_fw_part init;
196 struct iwn_fw_part main;
197 struct iwn_fw_part boot;
198 };
199
200 struct iwn_ops {
201 int (*load_firmware)(struct iwn_softc *);
202 void (*read_eeprom)(struct iwn_softc *);
203 int (*post_alive)(struct iwn_softc *);
204 int (*nic_config)(struct iwn_softc *);
205 void (*update_sched)(struct iwn_softc *, int, int, uint8_t,
206 uint16_t);
207 int (*get_temperature)(struct iwn_softc *);
208 int (*get_rssi)(struct iwn_softc *, struct iwn_rx_stat *);
209 int (*set_txpower)(struct iwn_softc *,
210 struct ieee80211_channel *, int);
211 int (*init_gains)(struct iwn_softc *);
212 int (*set_gains)(struct iwn_softc *);
213 int (*add_node)(struct iwn_softc *, struct iwn_node_info *,
214 int);
215 void (*tx_done)(struct iwn_softc *, struct iwn_rx_desc *,
216 struct iwn_rx_data *);
217 void (*ampdu_tx_start)(struct iwn_softc *,
218 struct ieee80211_node *, int, uint8_t, uint16_t);
219 void (*ampdu_tx_stop)(struct iwn_softc *, int, uint8_t,
220 uint16_t);
221 };
222
223 struct iwn_vap {
224 struct ieee80211vap iv_vap;
225 uint8_t iv_ridx;
226
227 int (*iv_newstate)(struct ieee80211vap *,
228 enum ieee80211_state, int);
229 int ctx;
230 int beacon_int;
231
232 };
233 #define IWN_VAP(_vap) ((struct iwn_vap *)(_vap))
234
235 struct iwn_softc {
236 device_t sc_dev;
237 int sc_debug;
238 struct cdev *sc_cdev;
239 struct mtx sc_mtx;
240 struct ieee80211com sc_ic;
241
242 u_int sc_flags;
243 #define IWN_FLAG_HAS_OTPROM (1 << 1)
244 #define IWN_FLAG_CALIB_DONE (1 << 2)
245 #define IWN_FLAG_USE_ICT (1 << 3)
246 #define IWN_FLAG_INTERNAL_PA (1 << 4)
247 #define IWN_FLAG_HAS_11N (1 << 6)
248 #define IWN_FLAG_ENH_SENS (1 << 7)
249 #define IWN_FLAG_ADV_BTCOEX (1 << 8)
250 #define IWN_FLAG_PAN_SUPPORT (1 << 9)
251 #define IWN_FLAG_BTCOEX (1 << 10)
252 #define IWN_FLAG_RUNNING (1 << 11)
253
254 uint8_t hw_type;
255 /* subdevice_id used to adjust configuration */
256 uint16_t subdevice_id;
257
258 struct iwn_ops ops;
259 const char *fwname;
260 const struct iwn_sensitivity_limits
261 *limits;
262 int ntxqs;
263 int firstaggqueue;
264 int ndmachnls;
265 uint8_t broadcast_id;
266 int rxonsz;
267 int schedsz;
268 uint32_t fw_text_maxsz;
269 uint32_t fw_data_maxsz;
270 uint32_t fwsz;
271 bus_size_t sched_txfact_addr;
272 uint32_t reset_noise_gain;
273 uint32_t noise_gain;
274
275 /* TX scheduler rings. */
276 struct iwn_dma_info sched_dma;
277 uint16_t *sched;
278 uint32_t sched_base;
279
280 /* "Keep Warm" page. */
281 struct iwn_dma_info kw_dma;
282
283 /* Firmware image. */
284 const struct firmware *fw_fp;
285
286 /* Firmware DMA transfer. */
287 struct iwn_dma_info fw_dma;
288
289 /* ICT table. */
290 struct iwn_dma_info ict_dma;
291 uint32_t *ict;
292 int ict_cur;
293
294 /* TX/RX rings. */
295 struct iwn_tx_ring txq[IWN5000_NTXQUEUES];
296 struct iwn_rx_ring rxq;
297
298 struct resource *mem;
299 bus_space_tag_t sc_st;
300 bus_space_handle_t sc_sh;
301 struct resource *irq;
302 void *sc_ih;
303 bus_size_t sc_sz;
304 int sc_cap_off; /* PCIe Capabilities. */
305
306 /* Tasks used by the driver */
307 struct task sc_radioon_task;
308 struct task sc_radiooff_task;
309 struct task sc_panic_task;
310 struct task sc_xmit_task;
311
312 /* Taskqueue */
313 struct taskqueue *sc_tq;
314
315 /* Calibration information */
316 struct callout calib_to;
317 int calib_cnt;
318 struct iwn_calib_state calib;
319 int last_calib_ticks;
320 struct callout scan_timeout;
321 struct callout watchdog_to;
322 struct iwn_fw_info fw;
323 struct iwn_calib_info calibcmd[IWN5000_PHY_CALIB_MAX_RESULT];
324 uint32_t errptr;
325
326 struct iwn_rx_stat last_rx_stat;
327 int last_rx_valid;
328 struct iwn_ucode_info ucode_info;
329 struct iwn_rxon rx_on[IWN_NUM_RXON_CTX];
330 struct iwn_rxon *rxon;
331 int ctx;
332 struct ieee80211vap *ivap[IWN_NUM_RXON_CTX];
333
334 /* General statistics */
335 /*
336 * The statistics are reset after each channel
337 * change. So it may be zeroed after things like
338 * a background scan.
339 *
340 * So for now, this is just a cheap hack to
341 * expose the last received statistics dump
342 * via an ioctl(). Later versions of this
343 * could expose the last 'n' messages, or just
344 * provide a pipeline for the firmware responses
345 * via something like BPF.
346 */
347 struct iwn_stats last_stat;
348 int last_stat_valid;
349
350 uint8_t uc_scan_progress;
351 uint32_t rawtemp;
352 int temp;
353 int noise;
354 uint32_t qfullmsk;
355
356 uint32_t prom_base;
357 struct iwn4965_eeprom_band
358 bands[IWN_NBANDS];
359 struct iwn_eeprom_chan eeprom_channels[IWN_NBANDS][IWN_MAX_CHAN_PER_BAND];
360 uint16_t rfcfg;
361 uint8_t calib_ver;
362 char eeprom_domain[4];
363 uint32_t eeprom_crystal;
364 int16_t eeprom_temp;
365 int16_t eeprom_temp_high;
366 int16_t eeprom_voltage;
367 int8_t maxpwr2GHz;
368 int8_t maxpwr5GHz;
369 int8_t maxpwr[IEEE80211_CHAN_MAX];
370
371 uint32_t tlv_feature_flags;
372
373 int32_t temp_off;
374 uint32_t int_mask;
375 uint8_t ntxchains;
376 uint8_t nrxchains;
377 uint8_t txchainmask;
378 uint8_t rxchainmask;
379 uint8_t chainmask;
380
381 int sc_tx_timer;
382
383 /* Are we doing a scan? */
384 int sc_is_scanning;
385
386 /* Are we waiting for a beacon before xmit? */
387 int sc_beacon_wait;
388
389 struct ieee80211_tx_ampdu *qid2tap[IWN5000_NTXQUEUES];
390
391 int (*sc_ampdu_rx_start)(struct ieee80211_node *,
392 struct ieee80211_rx_ampdu *, int, int, int);
393 void (*sc_ampdu_rx_stop)(struct ieee80211_node *,
394 struct ieee80211_rx_ampdu *);
395 int (*sc_addba_request)(struct ieee80211_node *,
396 struct ieee80211_tx_ampdu *, int, int, int);
397 int (*sc_addba_response)(struct ieee80211_node *,
398 struct ieee80211_tx_ampdu *, int, int, int);
399 void (*sc_addba_stop)(struct ieee80211_node *,
400 struct ieee80211_tx_ampdu *);
401
402 struct iwn_led_mode sc_led;
403
404 struct iwn_rx_radiotap_header sc_rxtap;
405 struct iwn_tx_radiotap_header sc_txtap;
406
407 /* The power save level originally configured by user */
408 int desired_pwrsave_level;
409
410 /*
411 * The current power save level, this may differ from the
412 * configured value due to thermal throttling etc.
413 */
414 int current_pwrsave_level;
415
416 /* For specific params */
417 const struct iwn_base_params *base_params;
418
419 #define IWN_UCODE_API(ver) (((ver) & 0x0000FF00) >> 8)
420 uint32_t ucode_rev;
421
422 /*
423 * Global queue for queuing xmit frames
424 * when we can't yet transmit (eg raw
425 * frames whilst waiting for beacons.)
426 */
427 struct mbufq sc_xmit_queue;
428 };
429
430 #define IWN_LOCK_INIT(_sc) \
431 mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
432 MTX_NETWORK_LOCK, MTX_DEF)
433 #define IWN_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
434 #define IWN_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
435 #define IWN_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
436 #define IWN_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
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