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b481de9c ZY |
1 | /****************************************************************************** |
2 | * | |
51368bf7 | 3 | * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved. |
b481de9c ZY |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of version 2 of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA | |
17 | * | |
18 | * The full GNU General Public License is included in this distribution in the | |
19 | * file called LICENSE. | |
20 | * | |
21 | * Contact Information: | |
cb2f8277 | 22 | * Intel Linux Wireless <linuxwifi@intel.com> |
b481de9c ZY |
23 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
24 | * | |
25 | *****************************************************************************/ | |
fcd427bb | 26 | /* |
1023fdc4 JB |
27 | * Please use this file (dev.h) for driver implementation definitions. |
28 | * Please use commands.h for uCode API definitions. | |
fcd427bb BC |
29 | */ |
30 | ||
be1f3ab6 EG |
31 | #ifndef __iwl_dev_h__ |
32 | #define __iwl_dev_h__ | |
b481de9c | 33 | |
a6b7a407 | 34 | #include <linux/interrupt.h> |
5d08cd1d | 35 | #include <linux/kernel.h> |
7194207c | 36 | #include <linux/wait.h> |
5ed540ae | 37 | #include <linux/leds.h> |
dfa2bdba | 38 | #include <linux/slab.h> |
b1eea297 | 39 | #include <linux/mutex.h> |
5d08cd1d | 40 | |
6238b008 | 41 | #include "iwl-fw.h" |
26a7ca9a | 42 | #include "iwl-eeprom-parse.h" |
6f83eaa1 | 43 | #include "iwl-csr.h" |
0a6857e7 | 44 | #include "iwl-debug.h" |
b744cb79 | 45 | #include "iwl-agn-hw.h" |
d0f76d68 | 46 | #include "iwl-op-mode.h" |
4bd14dd5 | 47 | #include "iwl-notif-wait.h" |
1023fdc4 JB |
48 | #include "iwl-trans.h" |
49 | ||
1023fdc4 JB |
50 | #include "led.h" |
51 | #include "power.h" | |
52 | #include "rs.h" | |
53 | #include "tt.h" | |
5d08cd1d | 54 | |
099b40b7 | 55 | /* CT-KILL constants */ |
672639de WYG |
56 | #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ |
57 | #define CT_KILL_THRESHOLD 114 /* in Celsius */ | |
58 | #define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ | |
4bf775cd | 59 | |
5d08cd1d CH |
60 | /* Default noise level to report when noise measurement is not available. |
61 | * This may be because we're: | |
c4db6166 | 62 | * 1) Not associated no beacon statistics being sent to driver) |
5d08cd1d | 63 | * 2) Scanning (noise measurement does not apply to associated channel) |
5d08cd1d | 64 | * Use default noise value of -127 ... this is below the range of measurable |
c4db6166 | 65 | * Rx dBm for all agn devices, so it can indicate "unmeasurable" to user. |
5d08cd1d CH |
66 | * Also, -127 works better than 0 when averaging frames with/without |
67 | * noise info (e.g. averaging might be done in app); measured dBm values are | |
68 | * always negative ... using a negative value as the default keeps all | |
69 | * averages within an s8's (used in some apps) range of negative values. */ | |
70 | #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) | |
71 | ||
5d08cd1d CH |
72 | /* |
73 | * RTS threshold here is total size [2347] minus 4 FCS bytes | |
74 | * Per spec: | |
75 | * a value of 0 means RTS on all data/management packets | |
76 | * a value > max MSDU size means no RTS | |
77 | * else RTS for data/management frames where MPDU is larger | |
78 | * than RTS value. | |
79 | */ | |
80 | #define DEFAULT_RTS_THRESHOLD 2347U | |
81 | #define MIN_RTS_THRESHOLD 0U | |
82 | #define MAX_RTS_THRESHOLD 2347U | |
83 | #define MAX_MSDU_SIZE 2304U | |
84 | #define MAX_MPDU_SIZE 2346U | |
51b7ef05 | 85 | #define DEFAULT_BEACON_INTERVAL 200U |
5d08cd1d CH |
86 | #define DEFAULT_SHORT_RETRY_LIMIT 7U |
87 | #define DEFAULT_LONG_RETRY_LIMIT 4U | |
88 | ||
5d08cd1d CH |
89 | #define IWL_NUM_SCAN_RATES (2) |
90 | ||
bd35f150 | 91 | |
5d08cd1d CH |
92 | #define IEEE80211_DATA_LEN 2304 |
93 | #define IEEE80211_4ADDR_LEN 30 | |
94 | #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) | |
95 | #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) | |
96 | ||
5d08cd1d CH |
97 | #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 |
98 | #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 | |
99 | #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 | |
100 | ||
5d08cd1d CH |
101 | #define IWL_SUPPORTED_RATES_IE_LEN 8 |
102 | ||
5d08cd1d CH |
103 | #define IWL_INVALID_RATE 0xFF |
104 | #define IWL_INVALID_VALUE -1 | |
105 | ||
a78fe754 | 106 | union iwl_ht_rate_supp { |
5d08cd1d CH |
107 | u16 rates; |
108 | struct { | |
109 | u8 siso_rate; | |
110 | u8 mimo_rate; | |
111 | }; | |
112 | }; | |
113 | ||
fad95bf5 | 114 | struct iwl_ht_config { |
02bb1bea | 115 | bool single_chain_sufficient; |
ba37a3d0 | 116 | enum ieee80211_smps_mode smps; /* current smps mode */ |
5d08cd1d | 117 | }; |
5d08cd1d | 118 | |
5d08cd1d | 119 | /* QoS structures */ |
1ff50bda | 120 | struct iwl_qos_info { |
5d08cd1d | 121 | int qos_active; |
1ff50bda | 122 | struct iwl_qosparam_cmd def_qos_parm; |
5d08cd1d | 123 | }; |
5d08cd1d | 124 | |
04cf6824 EG |
125 | /** |
126 | * enum iwl_agg_state | |
127 | * | |
128 | * The state machine of the BA agreement establishment / tear down. | |
129 | * These states relate to a specific RA / TID. | |
130 | * | |
131 | * @IWL_AGG_OFF: aggregation is not used | |
682e5f64 | 132 | * @IWL_AGG_STARTING: aggregation are starting (between start and oper) |
04cf6824 EG |
133 | * @IWL_AGG_ON: aggregation session is up |
134 | * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the | |
135 | * HW queue to be empty from packets for this RA /TID. | |
136 | * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the | |
137 | * HW queue to be empty from packets for this RA /TID. | |
138 | */ | |
139 | enum iwl_agg_state { | |
140 | IWL_AGG_OFF = 0, | |
682e5f64 | 141 | IWL_AGG_STARTING, |
04cf6824 EG |
142 | IWL_AGG_ON, |
143 | IWL_EMPTYING_HW_QUEUE_ADDBA, | |
144 | IWL_EMPTYING_HW_QUEUE_DELBA, | |
145 | }; | |
146 | ||
147 | /** | |
148 | * struct iwl_ht_agg - aggregation state machine | |
149 | ||
150 | * This structs holds the states for the BA agreement establishment and tear | |
151 | * down. It also holds the state during the BA session itself. This struct is | |
152 | * duplicated for each RA / TID. | |
153 | ||
154 | * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the | |
155 | * Tx response (REPLY_TX), and the block ack notification | |
156 | * (REPLY_COMPRESSED_BA). | |
157 | * @state: state of the BA agreement establishment / tear down. | |
9eae88fa | 158 | * @txq_id: Tx queue used by the BA session |
04cf6824 EG |
159 | * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or |
160 | * the first packet to be sent in legacy HW queue in Tx AGG stop flow. | |
161 | * Basically when next_reclaimed reaches ssn, we can tell mac80211 that | |
162 | * we are ready to finish the Tx AGG stop / start flow. | |
163 | * @wait_for_ba: Expect block-ack before next Tx reply | |
164 | */ | |
165 | struct iwl_ht_agg { | |
166 | u32 rate_n_flags; | |
167 | enum iwl_agg_state state; | |
168 | u16 txq_id; | |
169 | u16 ssn; | |
170 | bool wait_for_ba; | |
171 | }; | |
172 | ||
173 | /** | |
174 | * struct iwl_tid_data - one for each RA / TID | |
175 | ||
176 | * This structs holds the states for each RA / TID. | |
177 | ||
178 | * @seq_number: the next WiFi sequence number to use | |
179 | * @next_reclaimed: the WiFi sequence number of the next packet to be acked. | |
180 | * This is basically (last acked packet++). | |
181 | * @agg: aggregation state machine | |
182 | */ | |
183 | struct iwl_tid_data { | |
184 | u16 seq_number; | |
185 | u16 next_reclaimed; | |
186 | struct iwl_ht_agg agg; | |
187 | }; | |
188 | ||
fe6b23dd RC |
189 | /* |
190 | * Structure should be accessed with sta_lock held. When station addition | |
191 | * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only | |
192 | * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock | |
193 | * held. | |
194 | */ | |
6def9761 | 195 | struct iwl_station_entry { |
133636de | 196 | struct iwl_addsta_cmd sta; |
dcef732c | 197 | u8 used, ctxid; |
fe6b23dd | 198 | struct iwl_link_quality_cmd *lq; |
5d08cd1d CH |
199 | }; |
200 | ||
8d9698b3 RC |
201 | /* |
202 | * iwl_station_priv: Driver's private station information | |
203 | * | |
204 | * When mac80211 creates a station it reserves some space (hw->sta_data_size) | |
205 | * in the structure for use by driver. This structure is places in that | |
206 | * space. | |
8d9698b3 RC |
207 | */ |
208 | struct iwl_station_priv { | |
c6892906 | 209 | struct iwl_rxon_context *ctx; |
8d9698b3 | 210 | struct iwl_lq_sta lq_sta; |
6ab10ff8 JB |
211 | atomic_t pending_frames; |
212 | bool client; | |
213 | bool asleep; | |
7b090687 | 214 | u8 max_agg_bufsize; |
c6892906 | 215 | u8 sta_id; |
8d9698b3 RC |
216 | }; |
217 | ||
fd1af15d JB |
218 | /** |
219 | * struct iwl_vif_priv - driver's private per-interface information | |
220 | * | |
221 | * When mac80211 allocates a virtual interface, it can allocate | |
222 | * space for us to put data into. | |
223 | */ | |
224 | struct iwl_vif_priv { | |
246ed355 | 225 | struct iwl_rxon_context *ctx; |
fd1af15d JB |
226 | u8 ibss_bssid_sta_id; |
227 | }; | |
228 | ||
f0832f13 EG |
229 | struct iwl_sensitivity_ranges { |
230 | u16 min_nrg_cck; | |
f0832f13 EG |
231 | |
232 | u16 nrg_th_cck; | |
233 | u16 nrg_th_ofdm; | |
234 | ||
235 | u16 auto_corr_min_ofdm; | |
236 | u16 auto_corr_min_ofdm_mrc; | |
237 | u16 auto_corr_min_ofdm_x1; | |
238 | u16 auto_corr_min_ofdm_mrc_x1; | |
239 | ||
240 | u16 auto_corr_max_ofdm; | |
241 | u16 auto_corr_max_ofdm_mrc; | |
242 | u16 auto_corr_max_ofdm_x1; | |
243 | u16 auto_corr_max_ofdm_mrc_x1; | |
244 | ||
245 | u16 auto_corr_max_cck; | |
246 | u16 auto_corr_max_cck_mrc; | |
247 | u16 auto_corr_min_cck; | |
248 | u16 auto_corr_min_cck_mrc; | |
55036d66 WYG |
249 | |
250 | u16 barker_corr_th_min; | |
251 | u16 barker_corr_th_min_mrc; | |
252 | u16 nrg_th_cca; | |
f0832f13 EG |
253 | }; |
254 | ||
099b40b7 | 255 | |
b5047f78 TW |
256 | #define KELVIN_TO_CELSIUS(x) ((x)-273) |
257 | #define CELSIUS_TO_KELVIN(x) ((x)+273) | |
258 | ||
259 | ||
5d08cd1d CH |
260 | /****************************************************************************** |
261 | * | |
a33c2f47 EG |
262 | * Functions implemented in core module which are forward declared here |
263 | * for use by iwl-[4-5].c | |
5d08cd1d | 264 | * |
a33c2f47 EG |
265 | * NOTE: The implementation of these functions are not hardware specific |
266 | * which is why they are in the core module files. | |
5d08cd1d CH |
267 | * |
268 | * Naming convention -- | |
a33c2f47 | 269 | * iwl_ <-- Is part of iwlwifi |
5d08cd1d | 270 | * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) |
5d08cd1d CH |
271 | * |
272 | ****************************************************************************/ | |
b3818394 | 273 | void iwl_update_chain_flags(struct iwl_priv *priv); |
a33c2f47 | 274 | extern const u8 iwl_bcast_addr[ETH_ALEN]; |
fd4abac5 | 275 | |
b481de9c ZY |
276 | #define IWL_OPERATION_MODE_AUTO 0 |
277 | #define IWL_OPERATION_MODE_HT_ONLY 1 | |
278 | #define IWL_OPERATION_MODE_MIXED 2 | |
279 | #define IWL_OPERATION_MODE_20MHZ 3 | |
280 | ||
b481de9c | 281 | #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 |
b481de9c | 282 | |
b481de9c | 283 | /* Sensitivity and chain noise calibration */ |
b481de9c | 284 | #define INITIALIZATION_VALUE 0xFFFF |
d8c07e7a | 285 | #define IWL_CAL_NUM_BEACONS 16 |
b481de9c ZY |
286 | #define MAXIMUM_ALLOWED_PATHLOSS 15 |
287 | ||
b481de9c ZY |
288 | #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 |
289 | ||
290 | #define MAX_FA_OFDM 50 | |
291 | #define MIN_FA_OFDM 5 | |
292 | #define MAX_FA_CCK 50 | |
293 | #define MIN_FA_CCK 5 | |
294 | ||
b481de9c ZY |
295 | #define AUTO_CORR_STEP_OFDM 1 |
296 | ||
b481de9c ZY |
297 | #define AUTO_CORR_STEP_CCK 3 |
298 | #define AUTO_CORR_MAX_TH_CCK 160 | |
299 | ||
b481de9c ZY |
300 | #define NRG_DIFF 2 |
301 | #define NRG_STEP_CCK 2 | |
302 | #define NRG_MARGIN 8 | |
303 | #define MAX_NUMBER_CCK_NO_FA 100 | |
304 | ||
305 | #define AUTO_CORR_CCK_MIN_VAL_DEF (125) | |
306 | ||
307 | #define CHAIN_A 0 | |
308 | #define CHAIN_B 1 | |
309 | #define CHAIN_C 2 | |
310 | #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 | |
311 | #define ALL_BAND_FILTER 0xFF00 | |
312 | #define IN_BAND_FILTER 0xFF | |
313 | #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF | |
314 | ||
3195cdb7 TW |
315 | #define NRG_NUM_PREV_STAT_L 20 |
316 | #define NUM_RX_CHAINS 3 | |
317 | ||
3240cab3 | 318 | enum iwlagn_false_alarm_state { |
b481de9c ZY |
319 | IWL_FA_TOO_MANY = 0, |
320 | IWL_FA_TOO_FEW = 1, | |
321 | IWL_FA_GOOD_RANGE = 2, | |
322 | }; | |
323 | ||
3240cab3 | 324 | enum iwlagn_chain_noise_state { |
b481de9c | 325 | IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ |
04816448 GE |
326 | IWL_CHAIN_NOISE_ACCUMULATE, |
327 | IWL_CHAIN_NOISE_CALIBRATED, | |
328 | IWL_CHAIN_NOISE_DONE, | |
b481de9c ZY |
329 | }; |
330 | ||
b481de9c | 331 | /* Sensitivity calib data */ |
f0832f13 | 332 | struct iwl_sensitivity_data { |
b481de9c ZY |
333 | u32 auto_corr_ofdm; |
334 | u32 auto_corr_ofdm_mrc; | |
335 | u32 auto_corr_ofdm_x1; | |
336 | u32 auto_corr_ofdm_mrc_x1; | |
337 | u32 auto_corr_cck; | |
338 | u32 auto_corr_cck_mrc; | |
339 | ||
340 | u32 last_bad_plcp_cnt_ofdm; | |
341 | u32 last_fa_cnt_ofdm; | |
342 | u32 last_bad_plcp_cnt_cck; | |
343 | u32 last_fa_cnt_cck; | |
344 | ||
345 | u32 nrg_curr_state; | |
346 | u32 nrg_prev_state; | |
347 | u32 nrg_value[10]; | |
348 | u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; | |
349 | u32 nrg_silence_ref; | |
350 | u32 nrg_energy_idx; | |
351 | u32 nrg_silence_idx; | |
352 | u32 nrg_th_cck; | |
353 | s32 nrg_auto_corr_silence_diff; | |
354 | u32 num_in_cck_no_fa; | |
355 | u32 nrg_th_ofdm; | |
55036d66 WYG |
356 | |
357 | u16 barker_corr_th_min; | |
358 | u16 barker_corr_th_min_mrc; | |
359 | u16 nrg_th_cca; | |
b481de9c ZY |
360 | }; |
361 | ||
362 | /* Chain noise (differential Rx gain) calib data */ | |
f0832f13 | 363 | struct iwl_chain_noise_data { |
04816448 | 364 | u32 active_chains; |
b481de9c ZY |
365 | u32 chain_noise_a; |
366 | u32 chain_noise_b; | |
367 | u32 chain_noise_c; | |
368 | u32 chain_signal_a; | |
369 | u32 chain_signal_b; | |
370 | u32 chain_signal_c; | |
04816448 | 371 | u16 beacon_count; |
b481de9c ZY |
372 | u8 disconn_array[NUM_RX_CHAINS]; |
373 | u8 delta_gain_code[NUM_RX_CHAINS]; | |
374 | u8 radio_write; | |
04816448 | 375 | u8 state; |
b481de9c ZY |
376 | }; |
377 | ||
5d08cd1d CH |
378 | enum { |
379 | MEASUREMENT_READY = (1 << 0), | |
380 | MEASUREMENT_ACTIVE = (1 << 1), | |
381 | }; | |
382 | ||
91835ba4 WYG |
383 | /* reply_tx_statistics (for _agn devices) */ |
384 | struct reply_tx_error_statistics { | |
385 | u32 pp_delay; | |
386 | u32 pp_few_bytes; | |
387 | u32 pp_bt_prio; | |
388 | u32 pp_quiet_period; | |
389 | u32 pp_calc_ttak; | |
390 | u32 int_crossed_retry; | |
391 | u32 short_limit; | |
392 | u32 long_limit; | |
393 | u32 fifo_underrun; | |
394 | u32 drain_flow; | |
395 | u32 rfkill_flush; | |
396 | u32 life_expire; | |
397 | u32 dest_ps; | |
398 | u32 host_abort; | |
399 | u32 bt_retry; | |
400 | u32 sta_invalid; | |
401 | u32 frag_drop; | |
402 | u32 tid_disable; | |
403 | u32 fifo_flush; | |
404 | u32 insuff_cf_poll; | |
405 | u32 fail_hw_drop; | |
406 | u32 sta_color_mismatch; | |
407 | u32 unknown; | |
408 | }; | |
409 | ||
814665fe WYG |
410 | /* reply_agg_tx_statistics (for _agn devices) */ |
411 | struct reply_agg_tx_error_statistics { | |
412 | u32 underrun; | |
413 | u32 bt_prio; | |
414 | u32 few_bytes; | |
415 | u32 abort; | |
416 | u32 last_sent_ttl; | |
417 | u32 last_sent_try; | |
418 | u32 last_sent_bt_kill; | |
419 | u32 scd_query; | |
420 | u32 bad_crc32; | |
421 | u32 response; | |
422 | u32 dump_tx; | |
423 | u32 delay_tx; | |
424 | u32 unknown; | |
425 | }; | |
426 | ||
a9e1cb6a WYG |
427 | /* |
428 | * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds | |
429 | * to perform continuous uCode event logging operation if enabled | |
430 | */ | |
98d4bf0c | 431 | #define UCODE_TRACE_PERIOD (10) |
a9e1cb6a WYG |
432 | |
433 | /* | |
434 | * iwl_event_log: current uCode event log position | |
435 | * | |
436 | * @ucode_trace: enable/disable ucode continuous trace timer | |
437 | * @num_wraps: how many times the event buffer wraps | |
438 | * @next_entry: the entry just before the next one that uCode would fill | |
439 | * @non_wraps_count: counter for no wrap detected when dump ucode events | |
440 | * @wraps_once_count: counter for wrap once detected when dump ucode events | |
441 | * @wraps_more_count: counter for wrap more than once detected | |
442 | * when dump ucode events | |
443 | */ | |
444 | struct iwl_event_log { | |
445 | bool ucode_trace; | |
446 | u32 num_wraps; | |
447 | u32 next_entry; | |
448 | int non_wraps_count; | |
449 | int wraps_once_count; | |
450 | int wraps_more_count; | |
451 | }; | |
452 | ||
8a472da4 | 453 | #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) |
8a472da4 | 454 | |
bee008b7 WYG |
455 | /* BT Antenna Coupling Threshold (dB) */ |
456 | #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) | |
457 | ||
491bc292 WYG |
458 | /* Firmware reload counter and Timestamp */ |
459 | #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ | |
460 | #define IWL_MAX_CONTINUE_RELOAD_CNT 4 | |
461 | ||
462 | ||
48dffd39 | 463 | struct iwl_rf_reset { |
8a472da4 WYG |
464 | int reset_request_count; |
465 | int reset_success_count; | |
466 | int reset_reject_count; | |
48dffd39 | 467 | unsigned long last_reset_jiffies; |
a93e7973 WYG |
468 | }; |
469 | ||
4806f626 EG |
470 | enum iwl_rxon_context_id { |
471 | IWL_RXON_CTX_BSS, | |
472 | IWL_RXON_CTX_PAN, | |
473 | ||
474 | NUM_IWL_RXON_CTX | |
475 | }; | |
476 | ||
a0ee74cf | 477 | /* extend beacon time format bit shifting */ |
a0ee74cf WYG |
478 | /* |
479 | * for _agn devices | |
480 | * bits 31:22 - extended | |
481 | * bits 21:0 - interval | |
482 | */ | |
483 | #define IWLAGN_EXT_BEACON_TIME_POS 22 | |
484 | ||
246ed355 | 485 | struct iwl_rxon_context { |
8bd413e6 | 486 | struct ieee80211_vif *vif; |
e72f368b | 487 | |
9eae88fa JB |
488 | u8 mcast_queue; |
489 | u8 ac_to_queue[IEEE80211_NUM_ACS]; | |
490 | u8 ac_to_fifo[IEEE80211_NUM_ACS]; | |
491 | ||
763cc3bf JB |
492 | /* |
493 | * We could use the vif to indicate active, but we | |
494 | * also need it to be active during disabling when | |
495 | * we already removed the vif for type setting. | |
496 | */ | |
497 | bool always_active, is_active; | |
498 | ||
2295c66b JB |
499 | bool ht_need_multiple_chains; |
500 | ||
246ed355 | 501 | enum iwl_rxon_context_id ctxid; |
d0fe478c JB |
502 | |
503 | u32 interface_modes, exclusive_interface_modes; | |
504 | u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; | |
505 | ||
246ed355 JB |
506 | /* |
507 | * We declare this const so it can only be | |
508 | * changed via explicit cast within the | |
509 | * routines that actually update the physical | |
510 | * hardware. | |
511 | */ | |
512 | const struct iwl_rxon_cmd active; | |
513 | struct iwl_rxon_cmd staging; | |
514 | ||
515 | struct iwl_rxon_time_cmd timing; | |
a194e324 | 516 | |
8dfdb9d5 JB |
517 | struct iwl_qos_info qos_data; |
518 | ||
2995bafa | 519 | u8 bcast_sta_id, ap_sta_id; |
8f2d3d2a JB |
520 | |
521 | u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; | |
8dfdb9d5 | 522 | u8 qos_cmd; |
c10afb6e JB |
523 | u8 wep_key_cmd; |
524 | ||
525 | struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; | |
526 | u8 key_mapping_keys; | |
770e13bd JB |
527 | |
528 | __le32 station_flags; | |
7e6a5886 | 529 | |
bbb05cb5 JB |
530 | int beacon_int; |
531 | ||
7e6a5886 JB |
532 | struct { |
533 | bool non_gf_sta_present; | |
534 | u8 protection; | |
535 | bool enabled, is_40mhz; | |
536 | u8 extension_chan_offset; | |
537 | } ht; | |
246ed355 JB |
538 | }; |
539 | ||
266af4c7 JB |
540 | enum iwl_scan_type { |
541 | IWL_SCAN_NORMAL, | |
542 | IWL_SCAN_RADIO_RESET, | |
266af4c7 JB |
543 | }; |
544 | ||
9e295116 JB |
545 | /** |
546 | * struct iwl_hw_params | |
547 | * | |
548 | * Holds the module parameters | |
549 | * | |
550 | * @tx_chains_num: Number of TX chains | |
551 | * @rx_chains_num: Number of RX chains | |
9e295116 JB |
552 | * @ct_kill_threshold: temperature threshold - in hw dependent unit |
553 | * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit | |
554 | * relevant for 1000, 6000 and up | |
555 | * @struct iwl_sensitivity_ranges: range of sensitivity values | |
556 | * @use_rts_for_aggregation: use rts/cts protection for HT traffic | |
557 | */ | |
558 | struct iwl_hw_params { | |
559 | u8 tx_chains_num; | |
560 | u8 rx_chains_num; | |
9e295116 | 561 | bool use_rts_for_aggregation; |
9e295116 JB |
562 | u32 ct_kill_threshold; |
563 | u32 ct_kill_exit_threshold; | |
564 | ||
565 | const struct iwl_sensitivity_ranges *sens; | |
566 | }; | |
567 | ||
0d8877a1 JB |
568 | /** |
569 | * struct iwl_dvm_bt_params - DVM specific BT (coex) parameters | |
570 | * @advanced_bt_coexist: support advanced bt coexist | |
571 | * @bt_init_traffic_load: specify initial bt traffic load | |
572 | * @bt_prio_boost: default bt priority boost value | |
573 | * @agg_time_limit: maximum number of uSec in aggregation | |
574 | * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode | |
575 | */ | |
576 | struct iwl_dvm_bt_params { | |
577 | bool advanced_bt_coexist; | |
578 | u8 bt_init_traffic_load; | |
579 | u32 bt_prio_boost; | |
580 | u16 agg_time_limit; | |
581 | bool bt_sco_disable; | |
582 | bool bt_session_2; | |
583 | }; | |
584 | ||
585 | /** | |
586 | * struct iwl_dvm_cfg - DVM firmware specific device configuration | |
587 | * @set_hw_params: set hardware parameters | |
588 | * @set_channel_switch: send channel switch command | |
589 | * @nic_config: apply device specific configuration | |
590 | * @temperature: read temperature | |
591 | * @adv_thermal_throttle: support advance thermal throttle | |
592 | * @support_ct_kill_exit: support ct kill exit condition | |
593 | * @plcp_delta_threshold: plcp error rate threshold used to trigger | |
594 | * radio tuning when there is a high receiving plcp error rate | |
595 | * @chain_noise_scale: default chain noise scale used for gain computation | |
596 | * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up | |
597 | * @no_idle_support: do not support idle mode | |
598 | * @bt_params: pointer to BT parameters | |
599 | * @need_temp_offset_calib: need to perform temperature offset calibration | |
600 | * @no_xtal_calib: some devices do not need crystal calibration data, | |
601 | * don't send it to those | |
602 | * @temp_offset_v2: support v2 of temperature offset calibration | |
603 | * @adv_pm: advanced power management | |
604 | */ | |
ee4d5471 | 605 | struct iwl_dvm_cfg { |
e9676695 JB |
606 | void (*set_hw_params)(struct iwl_priv *priv); |
607 | int (*set_channel_switch)(struct iwl_priv *priv, | |
608 | struct ieee80211_channel_switch *ch_switch); | |
e9676695 | 609 | void (*nic_config)(struct iwl_priv *priv); |
e9676695 | 610 | void (*temperature)(struct iwl_priv *priv); |
0d8877a1 JB |
611 | |
612 | const struct iwl_dvm_bt_params *bt_params; | |
613 | s32 chain_noise_scale; | |
614 | u8 plcp_delta_threshold; | |
615 | bool adv_thermal_throttle; | |
616 | bool support_ct_kill_exit; | |
617 | bool hd_v2; | |
618 | bool no_idle_support; | |
619 | bool need_temp_offset_calib; | |
620 | bool no_xtal_calib; | |
621 | bool temp_offset_v2; | |
622 | bool adv_pm; | |
e9676695 JB |
623 | }; |
624 | ||
79d3eef8 JB |
625 | struct iwl_wipan_noa_data { |
626 | struct rcu_head rcu_head; | |
627 | u32 length; | |
628 | u8 data[]; | |
629 | }; | |
630 | ||
bfb45f54 | 631 | /* Calibration disabling bit mask */ |
5c457d03 DS |
632 | enum { |
633 | IWL_CALIB_ENABLE_ALL = 0, | |
634 | ||
635 | IWL_SENSITIVITY_CALIB_DISABLED = BIT(0), | |
636 | IWL_CHAIN_NOISE_CALIB_DISABLED = BIT(1), | |
637 | IWL_TX_POWER_CALIB_DISABLED = BIT(2), | |
bfb45f54 | 638 | |
5c457d03 DS |
639 | IWL_CALIB_DISABLE_ALL = 0xFFFFFFFF, |
640 | }; | |
bfb45f54 | 641 | |
d0f76d68 EG |
642 | #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \ |
643 | ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific)) | |
644 | ||
645 | #define IWL_MAC80211_GET_DVM(_hw) \ | |
646 | ((struct iwl_priv *) ((struct iwl_op_mode *) \ | |
647 | (_hw)->priv)->op_mode_specific) | |
648 | ||
c79dd5b5 | 649 | struct iwl_priv { |
5d08cd1d | 650 | |
68e8dfda | 651 | struct iwl_trans *trans; |
4b9844f5 | 652 | struct device *dev; /* for debug prints only */ |
2152268f | 653 | const struct iwl_cfg *cfg; |
0692fe41 | 654 | const struct iwl_fw *fw; |
ee4d5471 | 655 | const struct iwl_dvm_cfg *lib; |
9a716863 | 656 | unsigned long status; |
cac988a6 | 657 | |
fa23cb04 | 658 | spinlock_t sta_lock; |
b1eea297 | 659 | struct mutex mutex; |
fa23cb04 | 660 | |
e755f882 JB |
661 | unsigned long transport_queue_stop; |
662 | bool passive_no_rx; | |
1479177b JB |
663 | #define IWL_INVALID_MAC80211_QUEUE 0xff |
664 | u8 queue_to_mac80211[IWL_MAX_HW_QUEUES]; | |
665 | atomic_t queue_stop_count[IWL_MAX_HW_QUEUES]; | |
9eae88fa JB |
666 | |
667 | unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; | |
e755f882 | 668 | |
5d08cd1d CH |
669 | /* ieee device used by generic ieee processing code */ |
670 | struct ieee80211_hw *hw; | |
5d08cd1d | 671 | |
af9f9b22 JB |
672 | struct napi_struct *napi; |
673 | ||
e1991885 JB |
674 | struct list_head calib_results; |
675 | ||
1ee158d8 JB |
676 | struct workqueue_struct *workqueue; |
677 | ||
9e295116 JB |
678 | struct iwl_hw_params hw_params; |
679 | ||
57fbcce3 | 680 | enum nl80211_band band; |
a18f61bc | 681 | u8 valid_contexts; |
5d08cd1d | 682 | |
73e686f3 JB |
683 | void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, |
684 | struct iwl_rx_cmd_buffer *rxb); | |
5d08cd1d | 685 | |
4bd14dd5 JB |
686 | struct iwl_notif_wait_data notif_wait; |
687 | ||
5d08cd1d | 688 | /* spectrum measurement report caching */ |
2aa6ab86 | 689 | struct iwl_spectrum_notification measure_report; |
5d08cd1d | 690 | u8 measurement_status; |
81963d68 | 691 | |
5d08cd1d CH |
692 | /* ucode beacon time */ |
693 | u32 ucode_beacon_time; | |
a13d276f | 694 | int missed_beacon_threshold; |
5d08cd1d | 695 | |
a85d7cca JB |
696 | /* track IBSS manager (last beacon) status */ |
697 | u32 ibss_manager; | |
698 | ||
410f2bb3 SG |
699 | /* jiffies when last recovery from statistics was performed */ |
700 | unsigned long rx_statistics_jiffies; | |
3e4fb5fa | 701 | |
1f7b6172 EG |
702 | /*counters */ |
703 | u32 rx_handlers_stats[REPLY_MAX]; | |
704 | ||
48dffd39 JB |
705 | /* rf reset */ |
706 | struct iwl_rf_reset rf_reset; | |
a93e7973 | 707 | |
491bc292 WYG |
708 | /* firmware reload counter and timestamp */ |
709 | unsigned long reload_jiffies; | |
710 | int reload_count; | |
8f7ffbe2 | 711 | bool ucode_loaded; |
491bc292 | 712 | |
ab5c0f1f JB |
713 | u8 plcp_delta_threshold; |
714 | ||
5d08cd1d | 715 | /* thermal calibration */ |
02883562 | 716 | s32 temperature; /* Celsius */ |
5d08cd1d CH |
717 | s32 last_temperature; |
718 | ||
79d3eef8 JB |
719 | struct iwl_wipan_noa_data __rcu *noa_data; |
720 | ||
5d08cd1d | 721 | /* Scan related variables */ |
5d08cd1d | 722 | unsigned long scan_start; |
5d08cd1d | 723 | unsigned long scan_start_tsf; |
811ecc99 | 724 | void *scan_cmd; |
57fbcce3 | 725 | enum nl80211_band scan_band; |
1ecf9fc1 | 726 | struct cfg80211_scan_request *scan_request; |
f84b29ec | 727 | struct ieee80211_vif *scan_vif; |
266af4c7 | 728 | enum iwl_scan_type scan_type; |
57fbcce3 | 729 | u8 scan_tx_ant[NUM_NL80211_BANDS]; |
76eff18b | 730 | u8 mgmt_tx_ant; |
5d08cd1d | 731 | |
c10afb6e JB |
732 | /* max number of station keys */ |
733 | u8 sta_key_max_num; | |
734 | ||
d2690c0d JB |
735 | bool new_scan_threshold_behaviour; |
736 | ||
15b86bff JB |
737 | bool wowlan; |
738 | ||
c6fa17ed WYG |
739 | /* EEPROM MAC addresses */ |
740 | struct mac_address addresses[2]; | |
741 | ||
246ed355 | 742 | struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; |
5d08cd1d | 743 | |
6f213ff1 | 744 | __le16 switch_channel; |
0924e519 | 745 | |
5d08cd1d | 746 | u8 start_calib; |
f0832f13 EG |
747 | struct iwl_sensitivity_data sensitivity_data; |
748 | struct iwl_chain_noise_data chain_noise_data; | |
5d08cd1d | 749 | __le16 sensitivity_tbl[HD_TABLE_SIZE]; |
c8312fac | 750 | __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; |
5d08cd1d | 751 | |
fad95bf5 | 752 | struct iwl_ht_config current_ht_config; |
5d08cd1d | 753 | |
5d08cd1d | 754 | /* Rate scaling data */ |
5d08cd1d CH |
755 | u8 retry_rate; |
756 | ||
5d08cd1d CH |
757 | int activity_timer_active; |
758 | ||
5da4b55f | 759 | struct iwl_power_mgr power_data; |
3ad3b92a | 760 | struct iwl_tt_mgmt thermal_throttle; |
5d08cd1d | 761 | |
9c5ac091 | 762 | /* station table variables */ |
5d08cd1d | 763 | int num_stations; |
3240cab3 | 764 | struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; |
80fb47a1 | 765 | unsigned long ucode_key_table; |
04cf6824 | 766 | struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT]; |
622a9268 | 767 | atomic_t num_aux_in_flight; |
5d08cd1d | 768 | |
859cfb0a EG |
769 | u8 mac80211_registered; |
770 | ||
5d08cd1d | 771 | /* Indication if ieee80211_ops->open has been called */ |
69dc5d9d | 772 | u8 is_open; |
5d08cd1d | 773 | |
05c914fe | 774 | enum nl80211_iftype iw_mode; |
5d08cd1d | 775 | |
5d08cd1d | 776 | /* Last Rx'd beacon timestamp */ |
3109ece1 | 777 | u64 timestamp; |
5d08cd1d | 778 | |
0da0e5bf JB |
779 | struct { |
780 | __le32 flag; | |
781 | struct statistics_general_common common; | |
782 | struct statistics_rx_non_phy rx_non_phy; | |
783 | struct statistics_rx_phy rx_ofdm; | |
784 | struct statistics_rx_ht_phy rx_ofdm_ht; | |
785 | struct statistics_rx_phy rx_cck; | |
786 | struct statistics_tx tx; | |
787 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
788 | struct statistics_bt_activity bt_activity; | |
789 | __le32 num_bt_kills, accum_num_bt_kills; | |
790 | #endif | |
4ff70fcd | 791 | spinlock_t lock; |
0da0e5bf JB |
792 | } statistics; |
793 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
794 | struct { | |
795 | struct statistics_general_common common; | |
796 | struct statistics_rx_non_phy rx_non_phy; | |
797 | struct statistics_rx_phy rx_ofdm; | |
798 | struct statistics_rx_ht_phy rx_ofdm_ht; | |
799 | struct statistics_rx_phy rx_cck; | |
800 | struct statistics_tx tx; | |
801 | struct statistics_bt_activity bt_activity; | |
802 | } accum_stats, delta_stats, max_delta_stats; | |
803 | #endif | |
804 | ||
898ed67b WYG |
805 | /* |
806 | * reporting the number of tids has AGG on. 0 means | |
807 | * no AGGREGATION | |
808 | */ | |
809 | u8 agg_tids_count; | |
810 | ||
811 | struct iwl_rx_phy_res last_phy_res; | |
12bf6f45 | 812 | u32 ampdu_ref; |
898ed67b WYG |
813 | bool last_phy_res_valid; |
814 | ||
898ed67b WYG |
815 | /* |
816 | * chain noise reset and gain commands are the | |
817 | * two extra calibration commands follows the standard | |
818 | * phy calibration commands | |
819 | */ | |
820 | u8 phy_calib_chain_noise_reset_cmd; | |
821 | u8 phy_calib_chain_noise_gain_cmd; | |
822 | ||
823 | /* counts reply_tx error */ | |
824 | struct reply_tx_error_statistics reply_tx_stats; | |
825 | struct reply_agg_tx_error_statistics reply_agg_tx_stats; | |
898ed67b | 826 | |
22bf59a0 | 827 | /* bt coex */ |
f21dd005 | 828 | u8 bt_enable_flag; |
da5dbb97 | 829 | u8 bt_status; |
66e863a5 | 830 | u8 bt_traffic_load, last_bt_traffic_load; |
f37837c9 | 831 | bool bt_ch_announce; |
bee008b7 WYG |
832 | bool bt_full_concurrent; |
833 | bool bt_ant_couple_ok; | |
fbba9410 WYG |
834 | __le32 kill_ack_mask; |
835 | __le32 kill_cts_mask; | |
836 | __le16 bt_valid; | |
354ce4a4 | 837 | bool reduced_txpower; |
22bf59a0 WYG |
838 | u16 bt_on_thresh; |
839 | u16 bt_duration; | |
840 | u16 dynamic_frag_thresh; | |
bee008b7 | 841 | u8 bt_ci_compliance; |
9e4afc21 | 842 | struct work_struct bt_traffic_change_work; |
207ecc5e MV |
843 | bool bt_enable_pspoll; |
844 | struct iwl_rxon_context *cur_rssi_ctx; | |
845 | bool bt_is_sco; | |
9e4afc21 | 846 | |
5d08cd1d | 847 | struct work_struct restart; |
5d08cd1d | 848 | struct work_struct scan_completed; |
5d08cd1d | 849 | struct work_struct abort_scan; |
12e934dc | 850 | |
5d08cd1d | 851 | struct work_struct beacon_update; |
76d04815 | 852 | struct iwl_rxon_context *beacon_ctx; |
12e934dc | 853 | struct sk_buff *beacon_skb; |
4ce7cc2b | 854 | void *beacon_cmd; |
76d04815 | 855 | |
a28027cd WYG |
856 | struct work_struct tt_work; |
857 | struct work_struct ct_enter; | |
858 | struct work_struct ct_exit; | |
88be0264 | 859 | struct work_struct start_internal_scan; |
65550636 | 860 | struct work_struct tx_flush; |
bee008b7 | 861 | struct work_struct bt_full_concurrency; |
fbba9410 | 862 | struct work_struct bt_runtime_config; |
5d08cd1d | 863 | |
5d08cd1d | 864 | struct delayed_work scan_check; |
4a8a4322 | 865 | |
26a7ca9a | 866 | /* TX Power settings */ |
630fe9b6 | 867 | s8 tx_power_user_lmt; |
a25a66ac | 868 | s8 tx_power_next; |
5d08cd1d | 869 | |
712b6cf5 TW |
870 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
871 | /* debugfs */ | |
4c84a8f1 JB |
872 | struct dentry *debugfs_dir; |
873 | u32 dbgfs_sram_offset, dbgfs_sram_len; | |
d73e4923 | 874 | bool disable_ht40; |
c8ac61cf | 875 | void *wowlan_sram; |
712b6cf5 | 876 | #endif /* CONFIG_IWLWIFI_DEBUGFS */ |
5d08cd1d | 877 | |
b7998c8b | 878 | struct iwl_nvm_data *nvm_data; |
49464ae5 | 879 | /* eeprom blob for debugfs */ |
26a7ca9a JB |
880 | u8 *eeprom_blob; |
881 | size_t eeprom_blob_size; | |
11483b5c | 882 | |
5d08cd1d | 883 | struct work_struct txpower_work; |
bfb45f54 | 884 | u32 calib_disabled; |
16e727e8 | 885 | struct work_struct run_time_calib_work; |
5d08cd1d | 886 | struct timer_list statistics_periodic; |
a9e1cb6a | 887 | struct timer_list ucode_trace; |
a9e1cb6a WYG |
888 | |
889 | struct iwl_event_log event_log; | |
5ed540ae | 890 | |
c43e9330 | 891 | #ifdef CONFIG_IWLWIFI_LEDS |
5ed540ae WYG |
892 | struct led_classdev led; |
893 | unsigned long blink_on, blink_off; | |
894 | bool led_registered; | |
c43e9330 | 895 | #endif |
3a6490c0 | 896 | |
c8ac61cf JB |
897 | /* WoWLAN GTK rekey data */ |
898 | u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN]; | |
899 | __le64 replay_ctr; | |
900 | __le16 last_seq_ctl; | |
901 | bool have_rekey_data; | |
964dc9e2 JB |
902 | #ifdef CONFIG_PM_SLEEP |
903 | struct wiphy_wowlan_support wowlan_support; | |
904 | #endif | |
2fdfc476 MV |
905 | |
906 | /* device_pointers: pointers to ucode event tables */ | |
907 | struct { | |
908 | u32 error_event_table; | |
909 | u32 log_event_table; | |
910 | } device_pointers; | |
a42506eb MV |
911 | |
912 | /* indicator of loaded ucode image */ | |
913 | enum iwl_ucode_type cur_ucode; | |
c79dd5b5 | 914 | }; /*iwl_priv */ |
5d08cd1d | 915 | |
246ed355 JB |
916 | static inline struct iwl_rxon_context * |
917 | iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) | |
918 | { | |
919 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; | |
920 | ||
921 | return vif_priv->ctx; | |
922 | } | |
923 | ||
924 | #define for_each_context(priv, ctx) \ | |
925 | for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ | |
926 | ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ | |
a18f61bc | 927 | if (priv->valid_contexts & BIT(ctx->ctxid)) |
246ed355 | 928 | |
054ec924 | 929 | static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) |
246ed355 | 930 | { |
054ec924 | 931 | return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; |
246ed355 JB |
932 | } |
933 | ||
054ec924 JB |
934 | static inline int iwl_is_associated(struct iwl_priv *priv, |
935 | enum iwl_rxon_context_id ctxid) | |
246ed355 | 936 | { |
054ec924 | 937 | return iwl_is_associated_ctx(&priv->contexts[ctxid]); |
246ed355 | 938 | } |
a332f8d6 | 939 | |
054ec924 | 940 | static inline int iwl_is_any_associated(struct iwl_priv *priv) |
5d08cd1d | 941 | { |
054ec924 JB |
942 | struct iwl_rxon_context *ctx; |
943 | for_each_context(priv, ctx) | |
944 | if (iwl_is_associated_ctx(ctx)) | |
945 | return true; | |
946 | return false; | |
5d08cd1d CH |
947 | } |
948 | ||
be1f3ab6 | 949 | #endif /* __iwl_dev_h__ */ |