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27#ifndef __iwl_agn_rs_h__
28#define __iwl_agn_rs_h__
29
30#include <net/mac80211.h>
31
32#include "iwl-config.h"
33
34#include "commands.h"
35
36struct iwl_rate_info {
37 u8 plcp;
38 u8 plcp_siso;
39 u8 plcp_mimo2;
40 u8 plcp_mimo3;
41 u8 ieee;
42 u8 prev_ieee;
43 u8 next_ieee;
44 u8 prev_rs;
45 u8 next_rs;
46 u8 prev_rs_tgg;
47 u8 next_rs_tgg;
48};
49
50
51
52
53
54enum {
55 IWL_RATE_1M_INDEX = 0,
56 IWL_RATE_2M_INDEX,
57 IWL_RATE_5M_INDEX,
58 IWL_RATE_11M_INDEX,
59 IWL_RATE_6M_INDEX,
60 IWL_RATE_9M_INDEX,
61 IWL_RATE_12M_INDEX,
62 IWL_RATE_18M_INDEX,
63 IWL_RATE_24M_INDEX,
64 IWL_RATE_36M_INDEX,
65 IWL_RATE_48M_INDEX,
66 IWL_RATE_54M_INDEX,
67 IWL_RATE_60M_INDEX,
68 IWL_RATE_COUNT,
69 IWL_RATE_COUNT_LEGACY = IWL_RATE_COUNT - 1,
70 IWL_RATE_INVM_INDEX = IWL_RATE_COUNT,
71 IWL_RATE_INVALID = IWL_RATE_COUNT,
72};
73
74enum {
75 IWL_RATE_6M_INDEX_TABLE = 0,
76 IWL_RATE_9M_INDEX_TABLE,
77 IWL_RATE_12M_INDEX_TABLE,
78 IWL_RATE_18M_INDEX_TABLE,
79 IWL_RATE_24M_INDEX_TABLE,
80 IWL_RATE_36M_INDEX_TABLE,
81 IWL_RATE_48M_INDEX_TABLE,
82 IWL_RATE_54M_INDEX_TABLE,
83 IWL_RATE_1M_INDEX_TABLE,
84 IWL_RATE_2M_INDEX_TABLE,
85 IWL_RATE_5M_INDEX_TABLE,
86 IWL_RATE_11M_INDEX_TABLE,
87 IWL_RATE_INVM_INDEX_TABLE = IWL_RATE_INVM_INDEX - 1,
88};
89
90enum {
91 IWL_FIRST_OFDM_RATE = IWL_RATE_6M_INDEX,
92 IWL_LAST_OFDM_RATE = IWL_RATE_60M_INDEX,
93 IWL_FIRST_CCK_RATE = IWL_RATE_1M_INDEX,
94 IWL_LAST_CCK_RATE = IWL_RATE_11M_INDEX,
95};
96
97
98#define IWL_RATE_6M_MASK (1 << IWL_RATE_6M_INDEX)
99#define IWL_RATE_9M_MASK (1 << IWL_RATE_9M_INDEX)
100#define IWL_RATE_12M_MASK (1 << IWL_RATE_12M_INDEX)
101#define IWL_RATE_18M_MASK (1 << IWL_RATE_18M_INDEX)
102#define IWL_RATE_24M_MASK (1 << IWL_RATE_24M_INDEX)
103#define IWL_RATE_36M_MASK (1 << IWL_RATE_36M_INDEX)
104#define IWL_RATE_48M_MASK (1 << IWL_RATE_48M_INDEX)
105#define IWL_RATE_54M_MASK (1 << IWL_RATE_54M_INDEX)
106#define IWL_RATE_60M_MASK (1 << IWL_RATE_60M_INDEX)
107#define IWL_RATE_1M_MASK (1 << IWL_RATE_1M_INDEX)
108#define IWL_RATE_2M_MASK (1 << IWL_RATE_2M_INDEX)
109#define IWL_RATE_5M_MASK (1 << IWL_RATE_5M_INDEX)
110#define IWL_RATE_11M_MASK (1 << IWL_RATE_11M_INDEX)
111
112
113enum {
114 IWL_RATE_6M_PLCP = 13,
115 IWL_RATE_9M_PLCP = 15,
116 IWL_RATE_12M_PLCP = 5,
117 IWL_RATE_18M_PLCP = 7,
118 IWL_RATE_24M_PLCP = 9,
119 IWL_RATE_36M_PLCP = 11,
120 IWL_RATE_48M_PLCP = 1,
121 IWL_RATE_54M_PLCP = 3,
122 IWL_RATE_60M_PLCP = 3,
123 IWL_RATE_1M_PLCP = 10,
124 IWL_RATE_2M_PLCP = 20,
125 IWL_RATE_5M_PLCP = 55,
126 IWL_RATE_11M_PLCP = 110,
127
128
129};
130
131
132enum {
133 IWL_RATE_SISO_6M_PLCP = 0,
134 IWL_RATE_SISO_12M_PLCP = 1,
135 IWL_RATE_SISO_18M_PLCP = 2,
136 IWL_RATE_SISO_24M_PLCP = 3,
137 IWL_RATE_SISO_36M_PLCP = 4,
138 IWL_RATE_SISO_48M_PLCP = 5,
139 IWL_RATE_SISO_54M_PLCP = 6,
140 IWL_RATE_SISO_60M_PLCP = 7,
141 IWL_RATE_MIMO2_6M_PLCP = 0x8,
142 IWL_RATE_MIMO2_12M_PLCP = 0x9,
143 IWL_RATE_MIMO2_18M_PLCP = 0xa,
144 IWL_RATE_MIMO2_24M_PLCP = 0xb,
145 IWL_RATE_MIMO2_36M_PLCP = 0xc,
146 IWL_RATE_MIMO2_48M_PLCP = 0xd,
147 IWL_RATE_MIMO2_54M_PLCP = 0xe,
148 IWL_RATE_MIMO2_60M_PLCP = 0xf,
149 IWL_RATE_MIMO3_6M_PLCP = 0x10,
150 IWL_RATE_MIMO3_12M_PLCP = 0x11,
151 IWL_RATE_MIMO3_18M_PLCP = 0x12,
152 IWL_RATE_MIMO3_24M_PLCP = 0x13,
153 IWL_RATE_MIMO3_36M_PLCP = 0x14,
154 IWL_RATE_MIMO3_48M_PLCP = 0x15,
155 IWL_RATE_MIMO3_54M_PLCP = 0x16,
156 IWL_RATE_MIMO3_60M_PLCP = 0x17,
157 IWL_RATE_SISO_INVM_PLCP,
158 IWL_RATE_MIMO2_INVM_PLCP = IWL_RATE_SISO_INVM_PLCP,
159 IWL_RATE_MIMO3_INVM_PLCP = IWL_RATE_SISO_INVM_PLCP,
160};
161
162
163enum {
164 IWL_RATE_6M_IEEE = 12,
165 IWL_RATE_9M_IEEE = 18,
166 IWL_RATE_12M_IEEE = 24,
167 IWL_RATE_18M_IEEE = 36,
168 IWL_RATE_24M_IEEE = 48,
169 IWL_RATE_36M_IEEE = 72,
170 IWL_RATE_48M_IEEE = 96,
171 IWL_RATE_54M_IEEE = 108,
172 IWL_RATE_60M_IEEE = 120,
173 IWL_RATE_1M_IEEE = 2,
174 IWL_RATE_2M_IEEE = 4,
175 IWL_RATE_5M_IEEE = 11,
176 IWL_RATE_11M_IEEE = 22,
177};
178
179#define IWL_RATES_MASK ((1 << IWL_RATE_COUNT) - 1)
180
181#define IWL_INVALID_VALUE -1
182
183#define IWL_MIN_RSSI_VAL -100
184#define IWL_MAX_RSSI_VAL 0
185
186
187
188#define IWL_LEGACY_FAILURE_LIMIT 160
189#define IWL_LEGACY_SUCCESS_LIMIT 480
190#define IWL_LEGACY_TABLE_COUNT 160
191
192#define IWL_NONE_LEGACY_FAILURE_LIMIT 400
193#define IWL_NONE_LEGACY_SUCCESS_LIMIT 4500
194#define IWL_NONE_LEGACY_TABLE_COUNT 1500
195
196
197#define IWL_RS_GOOD_RATIO 12800
198#define IWL_RATE_SCALE_SWITCH 10880
199#define IWL_RATE_HIGH_TH 10880
200#define IWL_RATE_INCREASE_TH 6400
201#define IWL_RATE_DECREASE_TH 1920
202
203
204#define IWL_LEGACY_SWITCH_ANTENNA1 0
205#define IWL_LEGACY_SWITCH_ANTENNA2 1
206#define IWL_LEGACY_SWITCH_SISO 2
207#define IWL_LEGACY_SWITCH_MIMO2_AB 3
208#define IWL_LEGACY_SWITCH_MIMO2_AC 4
209#define IWL_LEGACY_SWITCH_MIMO2_BC 5
210#define IWL_LEGACY_SWITCH_MIMO3_ABC 6
211
212
213#define IWL_SISO_SWITCH_ANTENNA1 0
214#define IWL_SISO_SWITCH_ANTENNA2 1
215#define IWL_SISO_SWITCH_MIMO2_AB 2
216#define IWL_SISO_SWITCH_MIMO2_AC 3
217#define IWL_SISO_SWITCH_MIMO2_BC 4
218#define IWL_SISO_SWITCH_GI 5
219#define IWL_SISO_SWITCH_MIMO3_ABC 6
220
221
222
223#define IWL_MIMO2_SWITCH_ANTENNA1 0
224#define IWL_MIMO2_SWITCH_ANTENNA2 1
225#define IWL_MIMO2_SWITCH_SISO_A 2
226#define IWL_MIMO2_SWITCH_SISO_B 3
227#define IWL_MIMO2_SWITCH_SISO_C 4
228#define IWL_MIMO2_SWITCH_GI 5
229#define IWL_MIMO2_SWITCH_MIMO3_ABC 6
230
231
232
233#define IWL_MIMO3_SWITCH_ANTENNA1 0
234#define IWL_MIMO3_SWITCH_ANTENNA2 1
235#define IWL_MIMO3_SWITCH_SISO_A 2
236#define IWL_MIMO3_SWITCH_SISO_B 3
237#define IWL_MIMO3_SWITCH_SISO_C 4
238#define IWL_MIMO3_SWITCH_MIMO2_AB 5
239#define IWL_MIMO3_SWITCH_MIMO2_AC 6
240#define IWL_MIMO3_SWITCH_MIMO2_BC 7
241#define IWL_MIMO3_SWITCH_GI 8
242
243
244#define IWL_MAX_11N_MIMO3_SEARCH IWL_MIMO3_SWITCH_GI
245#define IWL_MAX_SEARCH IWL_MIMO2_SWITCH_MIMO3_ABC
246
247
248
249#define IWL_ACTION_LIMIT 3
250
251#define LQ_SIZE 2
252
253
254#define IWL_AGG_TPT_THREHOLD 0
255#define IWL_AGG_LOAD_THRESHOLD 10
256#define IWL_AGG_ALL_TID 0xff
257#define TID_QUEUE_CELL_SPACING 50
258#define TID_QUEUE_MAX_SIZE 20
259#define TID_ROUND_VALUE 5
260
261#define TID_MAX_TIME_DIFF ((TID_QUEUE_MAX_SIZE - 1) * TID_QUEUE_CELL_SPACING)
262#define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y))
263
264extern const struct iwl_rate_info iwl_rates[IWL_RATE_COUNT];
265
266enum iwl_table_type {
267 LQ_NONE,
268 LQ_G,
269 LQ_A,
270 LQ_SISO,
271 LQ_MIMO2,
272 LQ_MIMO3,
273 LQ_MAX,
274};
275
276#define is_legacy(tbl) (((tbl) == LQ_G) || ((tbl) == LQ_A))
277#define is_siso(tbl) ((tbl) == LQ_SISO)
278#define is_mimo2(tbl) ((tbl) == LQ_MIMO2)
279#define is_mimo3(tbl) ((tbl) == LQ_MIMO3)
280#define is_mimo(tbl) (is_mimo2(tbl) || is_mimo3(tbl))
281#define is_Ht(tbl) (is_siso(tbl) || is_mimo(tbl))
282#define is_a_band(tbl) ((tbl) == LQ_A)
283#define is_g_and(tbl) ((tbl) == LQ_G)
284
285#define IWL_MAX_MCS_DISPLAY_SIZE 12
286
287struct iwl_rate_mcs_info {
288 char mbps[IWL_MAX_MCS_DISPLAY_SIZE];
289 char mcs[IWL_MAX_MCS_DISPLAY_SIZE];
290};
291
292
293
294
295struct iwl_rate_scale_data {
296 u64 data;
297 s32 success_counter;
298 s32 success_ratio;
299 s32 counter;
300 s32 average_tpt;
301 unsigned long stamp;
302};
303
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307
308
309
310struct iwl_scale_tbl_info {
311 enum iwl_table_type lq_type;
312 u8 ant_type;
313 u8 is_SGI;
314 u8 is_ht40;
315 u8 is_dup;
316 u8 action;
317 u8 max_search;
318 const u16 *expected_tpt;
319 u32 current_rate;
320 struct iwl_rate_scale_data win[IWL_RATE_COUNT];
321};
322
323struct iwl_traffic_load {
324 unsigned long time_stamp;
325 u32 packet_count[TID_QUEUE_MAX_SIZE];
326
327 u32 total;
328
329 u8 queue_count;
330
331 u8 head;
332};
333
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335
336
337
338
339struct iwl_lq_sta {
340 u8 active_tbl;
341 u8 enable_counter;
342 u8 stay_in_tbl;
343 u8 search_better_tbl;
344 s32 last_tpt;
345
346
347 u32 table_count_limit;
348 u32 max_failure_limit;
349 u32 max_success_limit;
350 u32 table_count;
351 u32 total_failed;
352 u32 total_success;
353 u64 flush_timer;
354
355 u8 action_counter;
356 u8 is_green;
357 u8 is_dup;
358 enum nl80211_band band;
359
360
361 u32 supp_rates;
362 u16 active_legacy_rate;
363 u16 active_siso_rate;
364 u16 active_mimo2_rate;
365 u16 active_mimo3_rate;
366 s8 max_rate_idx;
367 u8 missed_rate_counter;
368
369 struct iwl_link_quality_cmd lq;
370 struct iwl_scale_tbl_info lq_info[LQ_SIZE];
371 struct iwl_traffic_load load[IWL_MAX_TID_COUNT];
372 u8 tx_agg_tid_en;
373#ifdef CONFIG_MAC80211_DEBUGFS
374 struct dentry *rs_sta_dbgfs_scale_table_file;
375 struct dentry *rs_sta_dbgfs_stats_table_file;
376 struct dentry *rs_sta_dbgfs_rate_scale_data_file;
377 struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file;
378 u32 dbg_fixed_rate;
379#endif
380 struct iwl_priv *drv;
381
382
383 int last_txrate_idx;
384
385 u32 last_rate_n_flags;
386
387 u8 is_agg;
388
389 u8 last_bt_traffic;
390};
391
392static inline u8 first_antenna(u8 mask)
393{
394 if (mask & ANT_A)
395 return ANT_A;
396 if (mask & ANT_B)
397 return ANT_B;
398 return ANT_C;
399}
400
401
402
403void iwl_rs_rate_init(struct iwl_priv *priv, struct ieee80211_sta *sta,
404 u8 sta_id);
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415
416int iwlagn_rate_control_register(void);
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423
424void iwlagn_rate_control_unregister(void);
425
426#endif
427