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12#ifndef __iwl_agn_rs_h__
13#define __iwl_agn_rs_h__
14
15#include <net/mac80211.h>
16
17#include "iwl-config.h"
18
19#include "commands.h"
20
21struct iwl_rate_info {
22 u8 plcp;
23 u8 plcp_siso;
24 u8 plcp_mimo2;
25 u8 plcp_mimo3;
26 u8 ieee;
27 u8 prev_ieee;
28 u8 next_ieee;
29 u8 prev_rs;
30 u8 next_rs;
31 u8 prev_rs_tgg;
32 u8 next_rs_tgg;
33};
34
35
36
37
38
39enum {
40 IWL_RATE_1M_INDEX = 0,
41 IWL_RATE_2M_INDEX,
42 IWL_RATE_5M_INDEX,
43 IWL_RATE_11M_INDEX,
44 IWL_RATE_6M_INDEX,
45 IWL_RATE_9M_INDEX,
46 IWL_RATE_12M_INDEX,
47 IWL_RATE_18M_INDEX,
48 IWL_RATE_24M_INDEX,
49 IWL_RATE_36M_INDEX,
50 IWL_RATE_48M_INDEX,
51 IWL_RATE_54M_INDEX,
52 IWL_RATE_60M_INDEX,
53 IWL_RATE_COUNT,
54 IWL_RATE_COUNT_LEGACY = IWL_RATE_COUNT - 1,
55 IWL_RATE_INVM_INDEX = IWL_RATE_COUNT,
56 IWL_RATE_INVALID = IWL_RATE_COUNT,
57};
58
59enum {
60 IWL_RATE_6M_INDEX_TABLE = 0,
61 IWL_RATE_9M_INDEX_TABLE,
62 IWL_RATE_12M_INDEX_TABLE,
63 IWL_RATE_18M_INDEX_TABLE,
64 IWL_RATE_24M_INDEX_TABLE,
65 IWL_RATE_36M_INDEX_TABLE,
66 IWL_RATE_48M_INDEX_TABLE,
67 IWL_RATE_54M_INDEX_TABLE,
68 IWL_RATE_1M_INDEX_TABLE,
69 IWL_RATE_2M_INDEX_TABLE,
70 IWL_RATE_5M_INDEX_TABLE,
71 IWL_RATE_11M_INDEX_TABLE,
72 IWL_RATE_INVM_INDEX_TABLE = IWL_RATE_INVM_INDEX - 1,
73};
74
75enum {
76 IWL_FIRST_OFDM_RATE = IWL_RATE_6M_INDEX,
77 IWL_LAST_OFDM_RATE = IWL_RATE_60M_INDEX,
78 IWL_FIRST_CCK_RATE = IWL_RATE_1M_INDEX,
79 IWL_LAST_CCK_RATE = IWL_RATE_11M_INDEX,
80};
81
82
83#define IWL_RATE_6M_MASK (1 << IWL_RATE_6M_INDEX)
84#define IWL_RATE_9M_MASK (1 << IWL_RATE_9M_INDEX)
85#define IWL_RATE_12M_MASK (1 << IWL_RATE_12M_INDEX)
86#define IWL_RATE_18M_MASK (1 << IWL_RATE_18M_INDEX)
87#define IWL_RATE_24M_MASK (1 << IWL_RATE_24M_INDEX)
88#define IWL_RATE_36M_MASK (1 << IWL_RATE_36M_INDEX)
89#define IWL_RATE_48M_MASK (1 << IWL_RATE_48M_INDEX)
90#define IWL_RATE_54M_MASK (1 << IWL_RATE_54M_INDEX)
91#define IWL_RATE_60M_MASK (1 << IWL_RATE_60M_INDEX)
92#define IWL_RATE_1M_MASK (1 << IWL_RATE_1M_INDEX)
93#define IWL_RATE_2M_MASK (1 << IWL_RATE_2M_INDEX)
94#define IWL_RATE_5M_MASK (1 << IWL_RATE_5M_INDEX)
95#define IWL_RATE_11M_MASK (1 << IWL_RATE_11M_INDEX)
96
97
98enum {
99 IWL_RATE_6M_PLCP = 13,
100 IWL_RATE_9M_PLCP = 15,
101 IWL_RATE_12M_PLCP = 5,
102 IWL_RATE_18M_PLCP = 7,
103 IWL_RATE_24M_PLCP = 9,
104 IWL_RATE_36M_PLCP = 11,
105 IWL_RATE_48M_PLCP = 1,
106 IWL_RATE_54M_PLCP = 3,
107 IWL_RATE_60M_PLCP = 3,
108 IWL_RATE_1M_PLCP = 10,
109 IWL_RATE_2M_PLCP = 20,
110 IWL_RATE_5M_PLCP = 55,
111 IWL_RATE_11M_PLCP = 110,
112
113
114};
115
116
117enum {
118 IWL_RATE_SISO_6M_PLCP = 0,
119 IWL_RATE_SISO_12M_PLCP = 1,
120 IWL_RATE_SISO_18M_PLCP = 2,
121 IWL_RATE_SISO_24M_PLCP = 3,
122 IWL_RATE_SISO_36M_PLCP = 4,
123 IWL_RATE_SISO_48M_PLCP = 5,
124 IWL_RATE_SISO_54M_PLCP = 6,
125 IWL_RATE_SISO_60M_PLCP = 7,
126 IWL_RATE_MIMO2_6M_PLCP = 0x8,
127 IWL_RATE_MIMO2_12M_PLCP = 0x9,
128 IWL_RATE_MIMO2_18M_PLCP = 0xa,
129 IWL_RATE_MIMO2_24M_PLCP = 0xb,
130 IWL_RATE_MIMO2_36M_PLCP = 0xc,
131 IWL_RATE_MIMO2_48M_PLCP = 0xd,
132 IWL_RATE_MIMO2_54M_PLCP = 0xe,
133 IWL_RATE_MIMO2_60M_PLCP = 0xf,
134 IWL_RATE_MIMO3_6M_PLCP = 0x10,
135 IWL_RATE_MIMO3_12M_PLCP = 0x11,
136 IWL_RATE_MIMO3_18M_PLCP = 0x12,
137 IWL_RATE_MIMO3_24M_PLCP = 0x13,
138 IWL_RATE_MIMO3_36M_PLCP = 0x14,
139 IWL_RATE_MIMO3_48M_PLCP = 0x15,
140 IWL_RATE_MIMO3_54M_PLCP = 0x16,
141 IWL_RATE_MIMO3_60M_PLCP = 0x17,
142 IWL_RATE_SISO_INVM_PLCP,
143 IWL_RATE_MIMO2_INVM_PLCP = IWL_RATE_SISO_INVM_PLCP,
144 IWL_RATE_MIMO3_INVM_PLCP = IWL_RATE_SISO_INVM_PLCP,
145};
146
147
148enum {
149 IWL_RATE_6M_IEEE = 12,
150 IWL_RATE_9M_IEEE = 18,
151 IWL_RATE_12M_IEEE = 24,
152 IWL_RATE_18M_IEEE = 36,
153 IWL_RATE_24M_IEEE = 48,
154 IWL_RATE_36M_IEEE = 72,
155 IWL_RATE_48M_IEEE = 96,
156 IWL_RATE_54M_IEEE = 108,
157 IWL_RATE_60M_IEEE = 120,
158 IWL_RATE_1M_IEEE = 2,
159 IWL_RATE_2M_IEEE = 4,
160 IWL_RATE_5M_IEEE = 11,
161 IWL_RATE_11M_IEEE = 22,
162};
163
164#define IWL_RATES_MASK ((1 << IWL_RATE_COUNT) - 1)
165
166#define IWL_INVALID_VALUE -1
167
168#define IWL_MIN_RSSI_VAL -100
169#define IWL_MAX_RSSI_VAL 0
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172
173#define IWL_LEGACY_FAILURE_LIMIT 160
174#define IWL_LEGACY_SUCCESS_LIMIT 480
175#define IWL_LEGACY_TABLE_COUNT 160
176
177#define IWL_NONE_LEGACY_FAILURE_LIMIT 400
178#define IWL_NONE_LEGACY_SUCCESS_LIMIT 4500
179#define IWL_NONE_LEGACY_TABLE_COUNT 1500
180
181
182#define IWL_RS_GOOD_RATIO 12800
183#define IWL_RATE_SCALE_SWITCH 10880
184#define IWL_RATE_HIGH_TH 10880
185#define IWL_RATE_INCREASE_TH 6400
186#define IWL_RATE_DECREASE_TH 1920
187
188
189#define IWL_LEGACY_SWITCH_ANTENNA1 0
190#define IWL_LEGACY_SWITCH_ANTENNA2 1
191#define IWL_LEGACY_SWITCH_SISO 2
192#define IWL_LEGACY_SWITCH_MIMO2_AB 3
193#define IWL_LEGACY_SWITCH_MIMO2_AC 4
194#define IWL_LEGACY_SWITCH_MIMO2_BC 5
195#define IWL_LEGACY_SWITCH_MIMO3_ABC 6
196
197
198#define IWL_SISO_SWITCH_ANTENNA1 0
199#define IWL_SISO_SWITCH_ANTENNA2 1
200#define IWL_SISO_SWITCH_MIMO2_AB 2
201#define IWL_SISO_SWITCH_MIMO2_AC 3
202#define IWL_SISO_SWITCH_MIMO2_BC 4
203#define IWL_SISO_SWITCH_GI 5
204#define IWL_SISO_SWITCH_MIMO3_ABC 6
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207
208#define IWL_MIMO2_SWITCH_ANTENNA1 0
209#define IWL_MIMO2_SWITCH_ANTENNA2 1
210#define IWL_MIMO2_SWITCH_SISO_A 2
211#define IWL_MIMO2_SWITCH_SISO_B 3
212#define IWL_MIMO2_SWITCH_SISO_C 4
213#define IWL_MIMO2_SWITCH_GI 5
214#define IWL_MIMO2_SWITCH_MIMO3_ABC 6
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217
218#define IWL_MIMO3_SWITCH_ANTENNA1 0
219#define IWL_MIMO3_SWITCH_ANTENNA2 1
220#define IWL_MIMO3_SWITCH_SISO_A 2
221#define IWL_MIMO3_SWITCH_SISO_B 3
222#define IWL_MIMO3_SWITCH_SISO_C 4
223#define IWL_MIMO3_SWITCH_MIMO2_AB 5
224#define IWL_MIMO3_SWITCH_MIMO2_AC 6
225#define IWL_MIMO3_SWITCH_MIMO2_BC 7
226#define IWL_MIMO3_SWITCH_GI 8
227
228
229#define IWL_MAX_11N_MIMO3_SEARCH IWL_MIMO3_SWITCH_GI
230#define IWL_MAX_SEARCH IWL_MIMO2_SWITCH_MIMO3_ABC
231
232
233
234#define IWL_ACTION_LIMIT 3
235
236#define LQ_SIZE 2
237
238
239#define IWL_AGG_TPT_THREHOLD 0
240#define IWL_AGG_LOAD_THRESHOLD 10
241#define IWL_AGG_ALL_TID 0xff
242#define TID_QUEUE_CELL_SPACING 50
243#define TID_QUEUE_MAX_SIZE 20
244#define TID_ROUND_VALUE 5
245
246#define TID_MAX_TIME_DIFF ((TID_QUEUE_MAX_SIZE - 1) * TID_QUEUE_CELL_SPACING)
247#define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y))
248
249extern const struct iwl_rate_info iwl_rates[IWL_RATE_COUNT];
250
251enum iwl_table_type {
252 LQ_NONE,
253 LQ_G,
254 LQ_A,
255 LQ_SISO,
256 LQ_MIMO2,
257 LQ_MIMO3,
258 LQ_MAX,
259};
260
261#define is_legacy(tbl) (((tbl) == LQ_G) || ((tbl) == LQ_A))
262#define is_siso(tbl) ((tbl) == LQ_SISO)
263#define is_mimo2(tbl) ((tbl) == LQ_MIMO2)
264#define is_mimo3(tbl) ((tbl) == LQ_MIMO3)
265#define is_mimo(tbl) (is_mimo2(tbl) || is_mimo3(tbl))
266#define is_Ht(tbl) (is_siso(tbl) || is_mimo(tbl))
267#define is_a_band(tbl) ((tbl) == LQ_A)
268#define is_g_and(tbl) ((tbl) == LQ_G)
269
270#define IWL_MAX_MCS_DISPLAY_SIZE 12
271
272struct iwl_rate_mcs_info {
273 char mbps[IWL_MAX_MCS_DISPLAY_SIZE];
274 char mcs[IWL_MAX_MCS_DISPLAY_SIZE];
275};
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279
280struct iwl_rate_scale_data {
281 u64 data;
282 s32 success_counter;
283 s32 success_ratio;
284 s32 counter;
285 s32 average_tpt;
286 unsigned long stamp;
287};
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294
295struct iwl_scale_tbl_info {
296 enum iwl_table_type lq_type;
297 u8 ant_type;
298 u8 is_SGI;
299 u8 is_ht40;
300 u8 is_dup;
301 u8 action;
302 u8 max_search;
303 const u16 *expected_tpt;
304 u32 current_rate;
305 struct iwl_rate_scale_data win[IWL_RATE_COUNT];
306};
307
308struct iwl_traffic_load {
309 unsigned long time_stamp;
310 u32 packet_count[TID_QUEUE_MAX_SIZE];
311
312 u32 total;
313
314 u8 queue_count;
315
316 u8 head;
317};
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323
324struct iwl_lq_sta {
325 u8 active_tbl;
326 u8 enable_counter;
327 u8 stay_in_tbl;
328 u8 search_better_tbl;
329 s32 last_tpt;
330
331
332 u32 table_count_limit;
333 u32 max_failure_limit;
334 u32 max_success_limit;
335 u32 table_count;
336 u32 total_failed;
337 u32 total_success;
338 u64 flush_timer;
339
340 u8 action_counter;
341 u8 is_green;
342 u8 is_dup;
343 enum nl80211_band band;
344
345
346 u32 supp_rates;
347 u16 active_legacy_rate;
348 u16 active_siso_rate;
349 u16 active_mimo2_rate;
350 u16 active_mimo3_rate;
351 s8 max_rate_idx;
352 u8 missed_rate_counter;
353
354 struct iwl_link_quality_cmd lq;
355 struct iwl_scale_tbl_info lq_info[LQ_SIZE];
356 struct iwl_traffic_load load[IWL_MAX_TID_COUNT];
357 u8 tx_agg_tid_en;
358#ifdef CONFIG_MAC80211_DEBUGFS
359 u32 dbg_fixed_rate;
360#endif
361 struct iwl_priv *drv;
362
363
364 int last_txrate_idx;
365
366 u32 last_rate_n_flags;
367
368 u8 is_agg;
369
370 u8 last_bt_traffic;
371};
372
373static inline u8 first_antenna(u8 mask)
374{
375 if (mask & ANT_A)
376 return ANT_A;
377 if (mask & ANT_B)
378 return ANT_B;
379 return ANT_C;
380}
381
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384void iwl_rs_rate_init(struct iwl_priv *priv, struct ieee80211_sta *sta,
385 u8 sta_id);
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397int iwlagn_rate_control_register(void);
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405void iwlagn_rate_control_unregister(void);
406
407#endif
408