xref: /freebsd/sys/dev/iwn/if_iwnvar.h (revision d6b92ffa)
1 /*	$FreeBSD$	*/
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 *, int);
210 	int		(*init_gains)(struct iwn_softc *);
211 	int		(*set_gains)(struct iwn_softc *);
212 	int		(*rxon_assoc)(struct iwn_softc *, int);
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 	struct ieee80211_ratectl_tx_status sc_txs;
242 
243 	u_int			sc_flags;
244 #define IWN_FLAG_HAS_OTPROM	(1 << 1)
245 #define IWN_FLAG_CALIB_DONE	(1 << 2)
246 #define IWN_FLAG_USE_ICT	(1 << 3)
247 #define IWN_FLAG_INTERNAL_PA	(1 << 4)
248 #define IWN_FLAG_HAS_11N	(1 << 6)
249 #define IWN_FLAG_ENH_SENS	(1 << 7)
250 #define IWN_FLAG_ADV_BTCOEX	(1 << 8)
251 #define IWN_FLAG_PAN_SUPPORT	(1 << 9)
252 #define IWN_FLAG_BTCOEX		(1 << 10)
253 #define	IWN_FLAG_RUNNING	(1 << 11)
254 
255 	uint8_t 		hw_type;
256 	/* subdevice_id used to adjust configuration */
257 	uint16_t		subdevice_id;
258 
259 	struct iwn_ops		ops;
260 	const char		*fwname;
261 	const struct iwn_sensitivity_limits
262 				*limits;
263 	int			ntxqs;
264 	int			firstaggqueue;
265 	int			ndmachnls;
266 	uint8_t			broadcast_id;
267 	int			rxonsz;
268 	int			schedsz;
269 	uint32_t		fw_text_maxsz;
270 	uint32_t		fw_data_maxsz;
271 	uint32_t		fwsz;
272 	bus_size_t		sched_txfact_addr;
273 	uint32_t		reset_noise_gain;
274 	uint32_t		noise_gain;
275 
276 	/* TX scheduler rings. */
277 	struct iwn_dma_info	sched_dma;
278 	uint16_t		*sched;
279 	uint32_t		sched_base;
280 
281 	/* "Keep Warm" page. */
282 	struct iwn_dma_info	kw_dma;
283 
284 	/* Firmware image. */
285 	const struct firmware	*fw_fp;
286 
287 	/* Firmware DMA transfer. */
288 	struct iwn_dma_info	fw_dma;
289 
290 	/* ICT table. */
291 	struct iwn_dma_info	ict_dma;
292 	uint32_t		*ict;
293 	int			ict_cur;
294 
295 	/* TX/RX rings. */
296 	struct iwn_tx_ring	txq[IWN5000_NTXQUEUES];
297 	struct iwn_rx_ring	rxq;
298 
299 	struct resource		*mem;
300 	bus_space_tag_t		sc_st;
301 	bus_space_handle_t	sc_sh;
302 	struct resource		*irq;
303 	void 			*sc_ih;
304 	bus_size_t		sc_sz;
305 	int			sc_cap_off;	/* PCIe Capabilities. */
306 
307 	/* Tasks used by the driver */
308 	struct task		sc_rftoggle_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)
437