1 /*
2 * Copyright (c) 2010 Broadcom Corporation
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #include <linux/kernel.h>
18 #include <linux/types.h>
19 #include <linux/module.h>
20 #include <linux/pci.h>
21
22 #include <bcmdefs.h>
23 #include <bcmutils.h>
24 #include <siutils.h>
25 #include <sbhnddma.h>
26 #include <wlioctl.h>
27
28 #include "wlc_types.h"
29 #include "d11.h"
30 #include "wlc_cfg.h"
31 #include "wlc_scb.h"
32 #include "wlc_pub.h"
33 #include "wlc_key.h"
34 #include "phy/wlc_phy_hal.h"
35 #include "wlc_bmac.h"
36 #include "wlc_rate.h"
37 #include "wlc_channel.h"
38 #include "wlc_main.h"
39 #include "wlc_stf.h"
40 #include "wl_dbg.h"
41
42 #define VALID_CHANNEL20_DB(wlc, val) wlc_valid_channel20_db((wlc)->cmi, val)
43 #define VALID_CHANNEL20_IN_BAND(wlc, bandunit, val) \
44 wlc_valid_channel20_in_band((wlc)->cmi, bandunit, val)
45 #define VALID_CHANNEL20(wlc, val) wlc_valid_channel20((wlc)->cmi, val)
46
47 typedef struct wlc_cm_band {
48 u8 locale_flags; /* locale_info_t flags */
49 chanvec_t valid_channels; /* List of valid channels in the country */
50 const chanvec_t *restricted_channels; /* List of restricted use channels */
51 const chanvec_t *radar_channels; /* List of radar sensitive channels */
52 u8 PAD[8];
53 } wlc_cm_band_t;
54
55 struct wlc_cm_info {
56 struct wlc_pub *pub;
57 struct wlc_info *wlc;
58 char srom_ccode[WLC_CNTRY_BUF_SZ]; /* Country Code in SROM */
59 uint srom_regrev; /* Regulatory Rev for the SROM ccode */
60 const country_info_t *country; /* current country def */
61 char ccode[WLC_CNTRY_BUF_SZ]; /* current internal Country Code */
62 uint regrev; /* current Regulatory Revision */
63 char country_abbrev[WLC_CNTRY_BUF_SZ]; /* current advertised ccode */
64 wlc_cm_band_t bandstate[MAXBANDS]; /* per-band state (one per phy/radio) */
65 /* quiet channels currently for radar sensitivity or 11h support */
66 chanvec_t quiet_channels; /* channels on which we cannot transmit */
67 };
68
69 static int wlc_channels_init(wlc_cm_info_t *wlc_cm,
70 const country_info_t *country);
71 static void wlc_set_country_common(wlc_cm_info_t *wlc_cm,
72 const char *country_abbrev,
73 const char *ccode, uint regrev,
74 const country_info_t *country);
75 static int wlc_set_countrycode(wlc_cm_info_t *wlc_cm, const char *ccode);
76 static int wlc_set_countrycode_rev(wlc_cm_info_t *wlc_cm,
77 const char *country_abbrev,
78 const char *ccode, int regrev);
79 static int wlc_country_aggregate_map(wlc_cm_info_t *wlc_cm, const char *ccode,
80 char *mapped_ccode, uint *mapped_regrev);
81 static const country_info_t *wlc_country_lookup_direct(const char *ccode,
82 uint regrev);
83 static const country_info_t *wlc_countrycode_map(wlc_cm_info_t *wlc_cm,
84 const char *ccode,
85 char *mapped_ccode,
86 uint *mapped_regrev);
87 static void wlc_channels_commit(wlc_cm_info_t *wlc_cm);
88 static void wlc_quiet_channels_reset(wlc_cm_info_t *wlc_cm);
89 static bool wlc_quiet_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec);
90 static bool wlc_valid_channel20_db(wlc_cm_info_t *wlc_cm, uint val);
91 static bool wlc_valid_channel20_in_band(wlc_cm_info_t *wlc_cm, uint bandunit,
92 uint val);
93 static bool wlc_valid_channel20(wlc_cm_info_t *wlc_cm, uint val);
94 static const country_info_t *wlc_country_lookup(struct wlc_info *wlc,
95 const char *ccode);
96 static void wlc_locale_get_channels(const locale_info_t *locale,
97 chanvec_t *valid_channels);
98 static const locale_info_t *wlc_get_locale_2g(u8 locale_idx);
99 static const locale_info_t *wlc_get_locale_5g(u8 locale_idx);
100 static bool wlc_japan(struct wlc_info *wlc);
101 static bool wlc_japan_ccode(const char *ccode);
102 static void wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t *
103 wlc_cm,
104 struct
105 txpwr_limits
106 *txpwr,
107 u8
108 local_constraint_qdbm);
109 void wlc_locale_add_channels(chanvec_t *target, const chanvec_t *channels);
110 static const locale_mimo_info_t *wlc_get_mimo_2g(u8 locale_idx);
111 static const locale_mimo_info_t *wlc_get_mimo_5g(u8 locale_idx);
112
113 /* QDB() macro takes a dB value and converts to a quarter dB value */
114 #ifdef QDB
115 #undef QDB
116 #endif
117 #define QDB(n) ((n) * WLC_TXPWR_DB_FACTOR)
118
119 /* Regulatory Matrix Spreadsheet (CLM) MIMO v3.7.9 */
120
121 /*
122 * Some common channel sets
123 */
124
125 /* No channels */
126 static const chanvec_t chanvec_none = {
127 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
128 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
129 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
130 0x00, 0x00, 0x00, 0x00}
131 };
132
133 /* All 2.4 GHz HW channels */
134 const chanvec_t chanvec_all_2G = {
135 {0xfe, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
136 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
137 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
138 0x00, 0x00, 0x00, 0x00}
139 };
140
141 /* All 5 GHz HW channels */
142 const chanvec_t chanvec_all_5G = {
143 {0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x11, 0x11,
144 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11,
145 0x11, 0x11, 0x20, 0x22, 0x22, 0x00, 0x00, 0x11,
146 0x11, 0x11, 0x11, 0x01}
147 };
148
149 /*
150 * Radar channel sets
151 */
152
153 /* No radar */
154 #define radar_set_none chanvec_none
155
156 static const chanvec_t radar_set1 = { /* Channels 52 - 64, 100 - 140 */
157 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, /* 52 - 60 */
158 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11, /* 64, 100 - 124 */
159 0x11, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 128 - 140 */
160 0x00, 0x00, 0x00, 0x00}
161 };
162
163 /*
164 * Restricted channel sets
165 */
166
167 #define restricted_set_none chanvec_none
168
169 /* Channels 34, 38, 42, 46 */
170 static const chanvec_t restricted_set_japan_legacy = {
171 {0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
172 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
173 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
174 0x00, 0x00, 0x00, 0x00}
175 };
176
177 /* Channels 12, 13 */
178 static const chanvec_t restricted_set_2g_short = {
179 {0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
180 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
181 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
182 0x00, 0x00, 0x00, 0x00}
183 };
184
185 /* Channel 165 */
186 static const chanvec_t restricted_chan_165 = {
187 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
188 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
189 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
190 0x00, 0x00, 0x00, 0x00}
191 };
192
193 /* Channels 36 - 48 & 149 - 165 */
194 static const chanvec_t restricted_low_hi = {
195 {0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
196 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
197 0x00, 0x00, 0x20, 0x22, 0x22, 0x00, 0x00, 0x00,
198 0x00, 0x00, 0x00, 0x00}
199 };
200
201 /* Channels 12 - 14 */
202 static const chanvec_t restricted_set_12_13_14 = {
203 {0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
204 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
205 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
206 0x00, 0x00, 0x00, 0x00}
207 };
208
209 #define LOCALE_CHAN_01_11 (1<<0)
210 #define LOCALE_CHAN_12_13 (1<<1)
211 #define LOCALE_CHAN_14 (1<<2)
212 #define LOCALE_SET_5G_LOW_JP1 (1<<3) /* 34-48, step 2 */
213 #define LOCALE_SET_5G_LOW_JP2 (1<<4) /* 34-46, step 4 */
214 #define LOCALE_SET_5G_LOW1 (1<<5) /* 36-48, step 4 */
215 #define LOCALE_SET_5G_LOW2 (1<<6) /* 52 */
216 #define LOCALE_SET_5G_LOW3 (1<<7) /* 56-64, step 4 */
217 #define LOCALE_SET_5G_MID1 (1<<8) /* 100-116, step 4 */
218 #define LOCALE_SET_5G_MID2 (1<<9) /* 120-124, step 4 */
219 #define LOCALE_SET_5G_MID3 (1<<10) /* 128 */
220 #define LOCALE_SET_5G_HIGH1 (1<<11) /* 132-140, step 4 */
221 #define LOCALE_SET_5G_HIGH2 (1<<12) /* 149-161, step 4 */
222 #define LOCALE_SET_5G_HIGH3 (1<<13) /* 165 */
223 #define LOCALE_CHAN_52_140_ALL (1<<14)
224 #define LOCALE_SET_5G_HIGH4 (1<<15) /* 184-216 */
225
226 #define LOCALE_CHAN_36_64 (LOCALE_SET_5G_LOW1 | LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3)
227 #define LOCALE_CHAN_52_64 (LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3)
228 #define LOCALE_CHAN_100_124 (LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2)
229 #define LOCALE_CHAN_100_140 \
230 (LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2 | LOCALE_SET_5G_MID3 | LOCALE_SET_5G_HIGH1)
231 #define LOCALE_CHAN_149_165 (LOCALE_SET_5G_HIGH2 | LOCALE_SET_5G_HIGH3)
232 #define LOCALE_CHAN_184_216 LOCALE_SET_5G_HIGH4
233
234 #define LOCALE_CHAN_01_14 (LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13 | LOCALE_CHAN_14)
235
236 #define LOCALE_RADAR_SET_NONE 0
237 #define LOCALE_RADAR_SET_1 1
238
239 #define LOCALE_RESTRICTED_NONE 0
240 #define LOCALE_RESTRICTED_SET_2G_SHORT 1
241 #define LOCALE_RESTRICTED_CHAN_165 2
242 #define LOCALE_CHAN_ALL_5G 3
243 #define LOCALE_RESTRICTED_JAPAN_LEGACY 4
244 #define LOCALE_RESTRICTED_11D_2G 5
245 #define LOCALE_RESTRICTED_11D_5G 6
246 #define LOCALE_RESTRICTED_LOW_HI 7
247 #define LOCALE_RESTRICTED_12_13_14 8
248
249 /* global memory to provide working buffer for expanded locale */
250
251 static const chanvec_t *g_table_radar_set[] = {
252 &chanvec_none,
253 &radar_set1
254 };
255
256 static const chanvec_t *g_table_restricted_chan[] = {
257 &chanvec_none, /* restricted_set_none */
258 &restricted_set_2g_short,
259 &restricted_chan_165,
260 &chanvec_all_5G,
261 &restricted_set_japan_legacy,
262 &chanvec_all_2G, /* restricted_set_11d_2G */
263 &chanvec_all_5G, /* restricted_set_11d_5G */
264 &restricted_low_hi,
265 &restricted_set_12_13_14
266 };
267
268 static const chanvec_t locale_2g_01_11 = {
269 {0xfe, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
270 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
271 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
272 0x00, 0x00, 0x00, 0x00}
273 };
274
275 static const chanvec_t locale_2g_12_13 = {
276 {0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
277 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
278 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
279 0x00, 0x00, 0x00, 0x00}
280 };
281
282 static const chanvec_t locale_2g_14 = {
283 {0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
284 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
285 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
286 0x00, 0x00, 0x00, 0x00}
287 };
288
289 static const chanvec_t locale_5g_LOW_JP1 = {
290 {0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x01, 0x00,
291 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
292 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
293 0x00, 0x00, 0x00, 0x00}
294 };
295
296 static const chanvec_t locale_5g_LOW_JP2 = {
297 {0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
298 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
299 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
300 0x00, 0x00, 0x00, 0x00}
301 };
302
303 static const chanvec_t locale_5g_LOW1 = {
304 {0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
305 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
306 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
307 0x00, 0x00, 0x00, 0x00}
308 };
309
310 static const chanvec_t locale_5g_LOW2 = {
311 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
312 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
313 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
314 0x00, 0x00, 0x00, 0x00}
315 };
316
317 static const chanvec_t locale_5g_LOW3 = {
318 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
319 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
320 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
321 0x00, 0x00, 0x00, 0x00}
322 };
323
324 static const chanvec_t locale_5g_MID1 = {
325 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
326 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x00,
327 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
328 0x00, 0x00, 0x00, 0x00}
329 };
330
331 static const chanvec_t locale_5g_MID2 = {
332 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
333 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
334 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
335 0x00, 0x00, 0x00, 0x00}
336 };
337
338 static const chanvec_t locale_5g_MID3 = {
339 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
340 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
341 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
342 0x00, 0x00, 0x00, 0x00}
343 };
344
345 static const chanvec_t locale_5g_HIGH1 = {
346 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
347 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
348 0x10, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
349 0x00, 0x00, 0x00, 0x00}
350 };
351
352 static const chanvec_t locale_5g_HIGH2 = {
353 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
354 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
355 0x00, 0x00, 0x20, 0x22, 0x02, 0x00, 0x00, 0x00,
356 0x00, 0x00, 0x00, 0x00}
357 };
358
359 static const chanvec_t locale_5g_HIGH3 = {
360 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
361 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
362 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
363 0x00, 0x00, 0x00, 0x00}
364 };
365
366 static const chanvec_t locale_5g_52_140_ALL = {
367 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11,
368 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
369 0x11, 0x11, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
370 0x00, 0x00, 0x00, 0x00}
371 };
372
373 static const chanvec_t locale_5g_HIGH4 = {
374 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
375 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
376 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
377 0x11, 0x11, 0x11, 0x11}
378 };
379
380 static const chanvec_t *g_table_locale_base[] = {
381 &locale_2g_01_11,
382 &locale_2g_12_13,
383 &locale_2g_14,
384 &locale_5g_LOW_JP1,
385 &locale_5g_LOW_JP2,
386 &locale_5g_LOW1,
387 &locale_5g_LOW2,
388 &locale_5g_LOW3,
389 &locale_5g_MID1,
390 &locale_5g_MID2,
391 &locale_5g_MID3,
392 &locale_5g_HIGH1,
393 &locale_5g_HIGH2,
394 &locale_5g_HIGH3,
395 &locale_5g_52_140_ALL,
396 &locale_5g_HIGH4
397 };
398
wlc_locale_add_channels(chanvec_t * target,const chanvec_t * channels)399 void wlc_locale_add_channels(chanvec_t *target, const chanvec_t *channels)
400 {
401 u8 i;
402 for (i = 0; i < sizeof(chanvec_t); i++) {
403 target->vec[i] |= channels->vec[i];
404 }
405 }
406
wlc_locale_get_channels(const locale_info_t * locale,chanvec_t * channels)407 static void wlc_locale_get_channels(const locale_info_t *locale,
408 chanvec_t *channels)
409 {
410 u8 i;
411
412 memset(channels, 0, sizeof(chanvec_t));
413
414 for (i = 0; i < ARRAY_SIZE(g_table_locale_base); i++) {
415 if (locale->valid_channels & (1 << i)) {
416 wlc_locale_add_channels(channels,
417 g_table_locale_base[i]);
418 }
419 }
420 }
421
422 /*
423 * Locale Definitions - 2.4 GHz
424 */
425 static const locale_info_t locale_i = { /* locale i. channel 1 - 13 */
426 LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13,
427 LOCALE_RADAR_SET_NONE,
428 LOCALE_RESTRICTED_SET_2G_SHORT,
429 {QDB(19), QDB(19), QDB(19),
430 QDB(19), QDB(19), QDB(19)},
431 {20, 20, 20, 0},
432 WLC_EIRP
433 };
434
435 /*
436 * Locale Definitions - 5 GHz
437 */
438 static const locale_info_t locale_11 = {
439 /* locale 11. channel 36 - 48, 52 - 64, 100 - 140, 149 - 165 */
440 LOCALE_CHAN_36_64 | LOCALE_CHAN_100_140 | LOCALE_CHAN_149_165,
441 LOCALE_RADAR_SET_1,
442 LOCALE_RESTRICTED_NONE,
443 {QDB(21), QDB(21), QDB(21), QDB(21), QDB(21)},
444 {23, 23, 23, 30, 30},
445 WLC_EIRP | WLC_DFS_EU
446 };
447
448 #define LOCALE_2G_IDX_i 0
449 static const locale_info_t *g_locale_2g_table[] = {
450 &locale_i
451 };
452
453 #define LOCALE_5G_IDX_11 0
454 static const locale_info_t *g_locale_5g_table[] = {
455 &locale_11
456 };
457
458 /*
459 * MIMO Locale Definitions - 2.4 GHz
460 */
461 static const locale_mimo_info_t locale_bn = {
462 {QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
463 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
464 QDB(13), QDB(13), QDB(13)},
465 {0, 0, QDB(13), QDB(13), QDB(13),
466 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
467 QDB(13), 0, 0},
468 0
469 };
470
471 /* locale mimo 2g indexes */
472 #define LOCALE_MIMO_IDX_bn 0
473
474 static const locale_mimo_info_t *g_mimo_2g_table[] = {
475 &locale_bn
476 };
477
478 /*
479 * MIMO Locale Definitions - 5 GHz
480 */
481 static const locale_mimo_info_t locale_11n = {
482 { /* 12.5 dBm */ 50, 50, 50, QDB(15), QDB(15)},
483 {QDB(14), QDB(15), QDB(15), QDB(15), QDB(15)},
484 0
485 };
486
487 #define LOCALE_MIMO_IDX_11n 0
488 static const locale_mimo_info_t *g_mimo_5g_table[] = {
489 &locale_11n
490 };
491
492 #ifdef LC
493 #undef LC
494 #endif
495 #define LC(id) LOCALE_MIMO_IDX_ ## id
496
497 #ifdef LC_2G
498 #undef LC_2G
499 #endif
500 #define LC_2G(id) LOCALE_2G_IDX_ ## id
501
502 #ifdef LC_5G
503 #undef LC_5G
504 #endif
505 #define LC_5G(id) LOCALE_5G_IDX_ ## id
506
507 #define LOCALES(band2, band5, mimo2, mimo5) {LC_2G(band2), LC_5G(band5), LC(mimo2), LC(mimo5)}
508
509 static const struct {
510 char abbrev[WLC_CNTRY_BUF_SZ]; /* country abbreviation */
511 country_info_t country;
512 } cntry_locales[] = {
513 {
514 "X2", LOCALES(i, 11, bn, 11n)}, /* Worldwide RoW 2 */
515 };
516
517 #ifdef SUPPORT_40MHZ
518 /* 20MHz channel info for 40MHz pairing support */
519 struct chan20_info {
520 u8 sb;
521 u8 adj_sbs;
522 };
523
524 /* indicates adjacent channels that are allowed for a 40 Mhz channel and
525 * those that permitted by the HT
526 */
527 struct chan20_info chan20_info[] = {
528 /* 11b/11g */
529 /* 0 */ {1, (CH_UPPER_SB | CH_EWA_VALID)},
530 /* 1 */ {2, (CH_UPPER_SB | CH_EWA_VALID)},
531 /* 2 */ {3, (CH_UPPER_SB | CH_EWA_VALID)},
532 /* 3 */ {4, (CH_UPPER_SB | CH_EWA_VALID)},
533 /* 4 */ {5, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
534 /* 5 */ {6, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
535 /* 6 */ {7, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
536 /* 7 */ {8, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
537 /* 8 */ {9, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
538 /* 9 */ {10, (CH_LOWER_SB | CH_EWA_VALID)},
539 /* 10 */ {11, (CH_LOWER_SB | CH_EWA_VALID)},
540 /* 11 */ {12, (CH_LOWER_SB)},
541 /* 12 */ {13, (CH_LOWER_SB)},
542 /* 13 */ {14, (CH_LOWER_SB)},
543
544 /* 11a japan high */
545 /* 14 */ {34, (CH_UPPER_SB)},
546 /* 15 */ {38, (CH_LOWER_SB)},
547 /* 16 */ {42, (CH_LOWER_SB)},
548 /* 17 */ {46, (CH_LOWER_SB)},
549
550 /* 11a usa low */
551 /* 18 */ {36, (CH_UPPER_SB | CH_EWA_VALID)},
552 /* 19 */ {40, (CH_LOWER_SB | CH_EWA_VALID)},
553 /* 20 */ {44, (CH_UPPER_SB | CH_EWA_VALID)},
554 /* 21 */ {48, (CH_LOWER_SB | CH_EWA_VALID)},
555 /* 22 */ {52, (CH_UPPER_SB | CH_EWA_VALID)},
556 /* 23 */ {56, (CH_LOWER_SB | CH_EWA_VALID)},
557 /* 24 */ {60, (CH_UPPER_SB | CH_EWA_VALID)},
558 /* 25 */ {64, (CH_LOWER_SB | CH_EWA_VALID)},
559
560 /* 11a Europe */
561 /* 26 */ {100, (CH_UPPER_SB | CH_EWA_VALID)},
562 /* 27 */ {104, (CH_LOWER_SB | CH_EWA_VALID)},
563 /* 28 */ {108, (CH_UPPER_SB | CH_EWA_VALID)},
564 /* 29 */ {112, (CH_LOWER_SB | CH_EWA_VALID)},
565 /* 30 */ {116, (CH_UPPER_SB | CH_EWA_VALID)},
566 /* 31 */ {120, (CH_LOWER_SB | CH_EWA_VALID)},
567 /* 32 */ {124, (CH_UPPER_SB | CH_EWA_VALID)},
568 /* 33 */ {128, (CH_LOWER_SB | CH_EWA_VALID)},
569 /* 34 */ {132, (CH_UPPER_SB | CH_EWA_VALID)},
570 /* 35 */ {136, (CH_LOWER_SB | CH_EWA_VALID)},
571 /* 36 */ {140, (CH_LOWER_SB)},
572
573 /* 11a usa high, ref5 only */
574 /* The 0x80 bit in pdiv means these are REF5, other entries are REF20 */
575 /* 37 */ {149, (CH_UPPER_SB | CH_EWA_VALID)},
576 /* 38 */ {153, (CH_LOWER_SB | CH_EWA_VALID)},
577 /* 39 */ {157, (CH_UPPER_SB | CH_EWA_VALID)},
578 /* 40 */ {161, (CH_LOWER_SB | CH_EWA_VALID)},
579 /* 41 */ {165, (CH_LOWER_SB)},
580
581 /* 11a japan */
582 /* 42 */ {184, (CH_UPPER_SB)},
583 /* 43 */ {188, (CH_LOWER_SB)},
584 /* 44 */ {192, (CH_UPPER_SB)},
585 /* 45 */ {196, (CH_LOWER_SB)},
586 /* 46 */ {200, (CH_UPPER_SB)},
587 /* 47 */ {204, (CH_LOWER_SB)},
588 /* 48 */ {208, (CH_UPPER_SB)},
589 /* 49 */ {212, (CH_LOWER_SB)},
590 /* 50 */ {216, (CH_LOWER_SB)}
591 };
592 #endif /* SUPPORT_40MHZ */
593
wlc_get_locale_2g(u8 locale_idx)594 static const locale_info_t *wlc_get_locale_2g(u8 locale_idx)
595 {
596 if (locale_idx >= ARRAY_SIZE(g_locale_2g_table)) {
597 WL_ERROR("%s: locale 2g index size out of range %d\n",
598 __func__, locale_idx);
599 ASSERT(locale_idx < ARRAY_SIZE(g_locale_2g_table));
600 return NULL;
601 }
602 return g_locale_2g_table[locale_idx];
603 }
604
wlc_get_locale_5g(u8 locale_idx)605 static const locale_info_t *wlc_get_locale_5g(u8 locale_idx)
606 {
607 if (locale_idx >= ARRAY_SIZE(g_locale_5g_table)) {
608 WL_ERROR("%s: locale 5g index size out of range %d\n",
609 __func__, locale_idx);
610 ASSERT(locale_idx < ARRAY_SIZE(g_locale_5g_table));
611 return NULL;
612 }
613 return g_locale_5g_table[locale_idx];
614 }
615
wlc_get_mimo_2g(u8 locale_idx)616 const locale_mimo_info_t *wlc_get_mimo_2g(u8 locale_idx)
617 {
618 if (locale_idx >= ARRAY_SIZE(g_mimo_2g_table)) {
619 WL_ERROR("%s: mimo 2g index size out of range %d\n",
620 __func__, locale_idx);
621 return NULL;
622 }
623 return g_mimo_2g_table[locale_idx];
624 }
625
wlc_get_mimo_5g(u8 locale_idx)626 const locale_mimo_info_t *wlc_get_mimo_5g(u8 locale_idx)
627 {
628 if (locale_idx >= ARRAY_SIZE(g_mimo_5g_table)) {
629 WL_ERROR("%s: mimo 5g index size out of range %d\n",
630 __func__, locale_idx);
631 return NULL;
632 }
633 return g_mimo_5g_table[locale_idx];
634 }
635
wlc_channel_mgr_attach(struct wlc_info * wlc)636 wlc_cm_info_t *wlc_channel_mgr_attach(struct wlc_info *wlc)
637 {
638 wlc_cm_info_t *wlc_cm;
639 char country_abbrev[WLC_CNTRY_BUF_SZ];
640 const country_info_t *country;
641 struct wlc_pub *pub = wlc->pub;
642 char *ccode;
643
644 WL_TRACE("wl%d: wlc_channel_mgr_attach\n", wlc->pub->unit);
645
646 wlc_cm = kzalloc(sizeof(wlc_cm_info_t), GFP_ATOMIC);
647 if (wlc_cm == NULL) {
648 WL_ERROR("wl%d: %s: out of memory", pub->unit, __func__);
649 return NULL;
650 }
651 wlc_cm->pub = pub;
652 wlc_cm->wlc = wlc;
653 wlc->cmi = wlc_cm;
654
655 /* store the country code for passing up as a regulatory hint */
656 ccode = getvar(wlc->pub->vars, "ccode");
657 if (ccode) {
658 strncpy(wlc->pub->srom_ccode, ccode, WLC_CNTRY_BUF_SZ - 1);
659 WL_NONE("%s: SROM country code is %c%c\n",
660 __func__,
661 wlc->pub->srom_ccode[0], wlc->pub->srom_ccode[1]);
662 }
663
664 /* internal country information which must match regulatory constraints in firmware */
665 memset(country_abbrev, 0, WLC_CNTRY_BUF_SZ);
666 strncpy(country_abbrev, "X2", sizeof(country_abbrev) - 1);
667 country = wlc_country_lookup(wlc, country_abbrev);
668
669 ASSERT(country != NULL);
670
671 /* save default country for exiting 11d regulatory mode */
672 strncpy(wlc->country_default, country_abbrev, WLC_CNTRY_BUF_SZ - 1);
673
674 /* initialize autocountry_default to driver default */
675 strncpy(wlc->autocountry_default, "X2", WLC_CNTRY_BUF_SZ - 1);
676
677 wlc_set_countrycode(wlc_cm, country_abbrev);
678
679 return wlc_cm;
680 }
681
wlc_channel_mgr_detach(wlc_cm_info_t * wlc_cm)682 void wlc_channel_mgr_detach(wlc_cm_info_t *wlc_cm)
683 {
684 kfree(wlc_cm);
685 }
686
wlc_channel_locale_flags_in_band(wlc_cm_info_t * wlc_cm,uint bandunit)687 u8 wlc_channel_locale_flags_in_band(wlc_cm_info_t *wlc_cm, uint bandunit)
688 {
689 return wlc_cm->bandstate[bandunit].locale_flags;
690 }
691
692 /* set the driver's current country and regulatory information using a country code
693 * as the source. Lookup built in country information found with the country code.
694 */
wlc_set_countrycode(wlc_cm_info_t * wlc_cm,const char * ccode)695 static int wlc_set_countrycode(wlc_cm_info_t *wlc_cm, const char *ccode)
696 {
697 char country_abbrev[WLC_CNTRY_BUF_SZ];
698 strncpy(country_abbrev, ccode, WLC_CNTRY_BUF_SZ);
699 return wlc_set_countrycode_rev(wlc_cm, country_abbrev, ccode, -1);
700 }
701
702 static int
wlc_set_countrycode_rev(wlc_cm_info_t * wlc_cm,const char * country_abbrev,const char * ccode,int regrev)703 wlc_set_countrycode_rev(wlc_cm_info_t *wlc_cm,
704 const char *country_abbrev,
705 const char *ccode, int regrev)
706 {
707 const country_info_t *country;
708 char mapped_ccode[WLC_CNTRY_BUF_SZ];
709 uint mapped_regrev;
710
711 WL_NONE("%s: (country_abbrev \"%s\", ccode \"%s\", regrev %d) SPROM \"%s\"/%u\n",
712 __func__, country_abbrev, ccode, regrev,
713 wlc_cm->srom_ccode, wlc_cm->srom_regrev);
714
715 /* if regrev is -1, lookup the mapped country code,
716 * otherwise use the ccode and regrev directly
717 */
718 if (regrev == -1) {
719 /* map the country code to a built-in country code, regrev, and country_info */
720 country =
721 wlc_countrycode_map(wlc_cm, ccode, mapped_ccode,
722 &mapped_regrev);
723 } else {
724 /* find the matching built-in country definition */
725 ASSERT(0);
726 country = wlc_country_lookup_direct(ccode, regrev);
727 strncpy(mapped_ccode, ccode, WLC_CNTRY_BUF_SZ);
728 mapped_regrev = regrev;
729 }
730
731 if (country == NULL)
732 return BCME_BADARG;
733
734 /* set the driver state for the country */
735 wlc_set_country_common(wlc_cm, country_abbrev, mapped_ccode,
736 mapped_regrev, country);
737
738 return 0;
739 }
740
741 /* set the driver's current country and regulatory information using a country code
742 * as the source. Look up built in country information found with the country code.
743 */
744 static void
wlc_set_country_common(wlc_cm_info_t * wlc_cm,const char * country_abbrev,const char * ccode,uint regrev,const country_info_t * country)745 wlc_set_country_common(wlc_cm_info_t *wlc_cm,
746 const char *country_abbrev,
747 const char *ccode, uint regrev,
748 const country_info_t *country)
749 {
750 const locale_mimo_info_t *li_mimo;
751 const locale_info_t *locale;
752 struct wlc_info *wlc = wlc_cm->wlc;
753 char prev_country_abbrev[WLC_CNTRY_BUF_SZ];
754
755 ASSERT(country != NULL);
756
757 /* save current country state */
758 wlc_cm->country = country;
759
760 memset(&prev_country_abbrev, 0, WLC_CNTRY_BUF_SZ);
761 strncpy(prev_country_abbrev, wlc_cm->country_abbrev,
762 WLC_CNTRY_BUF_SZ - 1);
763
764 strncpy(wlc_cm->country_abbrev, country_abbrev, WLC_CNTRY_BUF_SZ - 1);
765 strncpy(wlc_cm->ccode, ccode, WLC_CNTRY_BUF_SZ - 1);
766 wlc_cm->regrev = regrev;
767
768 /* disable/restore nmode based on country regulations */
769 li_mimo = wlc_get_mimo_2g(country->locale_mimo_2G);
770 if (li_mimo && (li_mimo->flags & WLC_NO_MIMO)) {
771 wlc_set_nmode(wlc, OFF);
772 wlc->stf->no_cddstbc = true;
773 } else {
774 wlc->stf->no_cddstbc = false;
775 if (N_ENAB(wlc->pub) != wlc->protection->nmode_user)
776 wlc_set_nmode(wlc, wlc->protection->nmode_user);
777 }
778
779 wlc_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]);
780 wlc_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]);
781 /* set or restore gmode as required by regulatory */
782 locale = wlc_get_locale_2g(country->locale_2G);
783 if (locale && (locale->flags & WLC_NO_OFDM)) {
784 wlc_set_gmode(wlc, GMODE_LEGACY_B, false);
785 } else {
786 wlc_set_gmode(wlc, wlc->protection->gmode_user, false);
787 }
788
789 wlc_channels_init(wlc_cm, country);
790
791 return;
792 }
793
794 /* Lookup a country info structure from a null terminated country code
795 * The lookup is case sensitive.
796 */
wlc_country_lookup(struct wlc_info * wlc,const char * ccode)797 static const country_info_t *wlc_country_lookup(struct wlc_info *wlc,
798 const char *ccode)
799 {
800 const country_info_t *country;
801 char mapped_ccode[WLC_CNTRY_BUF_SZ];
802 uint mapped_regrev;
803
804 /* map the country code to a built-in country code, regrev, and country_info struct */
805 country =
806 wlc_countrycode_map(wlc->cmi, ccode, mapped_ccode, &mapped_regrev);
807
808 return country;
809 }
810
wlc_countrycode_map(wlc_cm_info_t * wlc_cm,const char * ccode,char * mapped_ccode,uint * mapped_regrev)811 static const country_info_t *wlc_countrycode_map(wlc_cm_info_t *wlc_cm,
812 const char *ccode,
813 char *mapped_ccode,
814 uint *mapped_regrev)
815 {
816 struct wlc_info *wlc = wlc_cm->wlc;
817 const country_info_t *country;
818 uint srom_regrev = wlc_cm->srom_regrev;
819 const char *srom_ccode = wlc_cm->srom_ccode;
820 int mapped;
821
822 /* check for currently supported ccode size */
823 if (strlen(ccode) > (WLC_CNTRY_BUF_SZ - 1)) {
824 WL_ERROR("wl%d: %s: ccode \"%s\" too long for match\n",
825 wlc->pub->unit, __func__, ccode);
826 return NULL;
827 }
828
829 /* default mapping is the given ccode and regrev 0 */
830 strncpy(mapped_ccode, ccode, WLC_CNTRY_BUF_SZ);
831 *mapped_regrev = 0;
832
833 /* If the desired country code matches the srom country code,
834 * then the mapped country is the srom regulatory rev.
835 * Otherwise look for an aggregate mapping.
836 */
837 if (!strcmp(srom_ccode, ccode)) {
838 *mapped_regrev = srom_regrev;
839 mapped = 0;
840 WL_ERROR("srom_code == ccode %s\n", __func__);
841 ASSERT(0);
842 } else {
843 mapped =
844 wlc_country_aggregate_map(wlc_cm, ccode, mapped_ccode,
845 mapped_regrev);
846 }
847
848 /* find the matching built-in country definition */
849 country = wlc_country_lookup_direct(mapped_ccode, *mapped_regrev);
850
851 /* if there is not an exact rev match, default to rev zero */
852 if (country == NULL && *mapped_regrev != 0) {
853 *mapped_regrev = 0;
854 ASSERT(0);
855 country =
856 wlc_country_lookup_direct(mapped_ccode, *mapped_regrev);
857 }
858
859 return country;
860 }
861
862 static int
wlc_country_aggregate_map(wlc_cm_info_t * wlc_cm,const char * ccode,char * mapped_ccode,uint * mapped_regrev)863 wlc_country_aggregate_map(wlc_cm_info_t *wlc_cm, const char *ccode,
864 char *mapped_ccode, uint *mapped_regrev)
865 {
866 return false;
867 }
868
869 /* Lookup a country info structure from a null terminated country
870 * abbreviation and regrev directly with no translation.
871 */
wlc_country_lookup_direct(const char * ccode,uint regrev)872 static const country_info_t *wlc_country_lookup_direct(const char *ccode,
873 uint regrev)
874 {
875 uint size, i;
876
877 /* Should just return 0 for single locale driver. */
878 /* Keep it this way in case we add more locales. (for now anyway) */
879
880 /* all other country def arrays are for regrev == 0, so if regrev is non-zero, fail */
881 if (regrev > 0)
882 return NULL;
883
884 /* find matched table entry from country code */
885 size = ARRAY_SIZE(cntry_locales);
886 for (i = 0; i < size; i++) {
887 if (strcmp(ccode, cntry_locales[i].abbrev) == 0) {
888 return &cntry_locales[i].country;
889 }
890 }
891
892 WL_ERROR("%s: Returning NULL\n", __func__);
893 ASSERT(0);
894 return NULL;
895 }
896
897 static int
wlc_channels_init(wlc_cm_info_t * wlc_cm,const country_info_t * country)898 wlc_channels_init(wlc_cm_info_t *wlc_cm, const country_info_t *country)
899 {
900 struct wlc_info *wlc = wlc_cm->wlc;
901 uint i, j;
902 struct wlcband *band;
903 const locale_info_t *li;
904 chanvec_t sup_chan;
905 const locale_mimo_info_t *li_mimo;
906
907 band = wlc->band;
908 for (i = 0; i < NBANDS(wlc);
909 i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
910
911 li = BAND_5G(band->bandtype) ?
912 wlc_get_locale_5g(country->locale_5G) :
913 wlc_get_locale_2g(country->locale_2G);
914 ASSERT(li);
915 wlc_cm->bandstate[band->bandunit].locale_flags = li->flags;
916 li_mimo = BAND_5G(band->bandtype) ?
917 wlc_get_mimo_5g(country->locale_mimo_5G) :
918 wlc_get_mimo_2g(country->locale_mimo_2G);
919 ASSERT(li_mimo);
920
921 /* merge the mimo non-mimo locale flags */
922 wlc_cm->bandstate[band->bandunit].locale_flags |=
923 li_mimo->flags;
924
925 wlc_cm->bandstate[band->bandunit].restricted_channels =
926 g_table_restricted_chan[li->restricted_channels];
927 wlc_cm->bandstate[band->bandunit].radar_channels =
928 g_table_radar_set[li->radar_channels];
929
930 /* set the channel availability,
931 * masking out the channels that may not be supported on this phy
932 */
933 wlc_phy_chanspec_band_validch(band->pi, band->bandtype,
934 &sup_chan);
935 wlc_locale_get_channels(li,
936 &wlc_cm->bandstate[band->bandunit].
937 valid_channels);
938 for (j = 0; j < sizeof(chanvec_t); j++)
939 wlc_cm->bandstate[band->bandunit].valid_channels.
940 vec[j] &= sup_chan.vec[j];
941 }
942
943 wlc_quiet_channels_reset(wlc_cm);
944 wlc_channels_commit(wlc_cm);
945
946 return 0;
947 }
948
949 /* Update the radio state (enable/disable) and tx power targets
950 * based on a new set of channel/regulatory information
951 */
wlc_channels_commit(wlc_cm_info_t * wlc_cm)952 static void wlc_channels_commit(wlc_cm_info_t *wlc_cm)
953 {
954 struct wlc_info *wlc = wlc_cm->wlc;
955 uint chan;
956 struct txpwr_limits txpwr;
957
958 /* search for the existence of any valid channel */
959 for (chan = 0; chan < MAXCHANNEL; chan++) {
960 if (VALID_CHANNEL20_DB(wlc, chan)) {
961 break;
962 }
963 }
964 if (chan == MAXCHANNEL)
965 chan = INVCHANNEL;
966
967 /* based on the channel search above, set or clear WL_RADIO_COUNTRY_DISABLE */
968 if (chan == INVCHANNEL) {
969 /* country/locale with no valid channels, set the radio disable bit */
970 mboolset(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
971 WL_ERROR("wl%d: %s: no valid channel for \"%s\" nbands %d bandlocked %d\n",
972 wlc->pub->unit, __func__,
973 wlc_cm->country_abbrev, NBANDS(wlc), wlc->bandlocked);
974 } else
975 if (mboolisset(wlc->pub->radio_disabled,
976 WL_RADIO_COUNTRY_DISABLE)) {
977 /* country/locale with valid channel, clear the radio disable bit */
978 mboolclr(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
979 }
980
981 /* Now that the country abbreviation is set, if the radio supports 2G, then
982 * set channel 14 restrictions based on the new locale.
983 */
984 if (NBANDS(wlc) > 1 || BAND_2G(wlc->band->bandtype)) {
985 wlc_phy_chanspec_ch14_widefilter_set(wlc->band->pi,
986 wlc_japan(wlc) ? true :
987 false);
988 }
989
990 if (wlc->pub->up && chan != INVCHANNEL) {
991 wlc_channel_reg_limits(wlc_cm, wlc->chanspec, &txpwr);
992 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm,
993 &txpwr,
994 WLC_TXPWR_MAX);
995 wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec);
996 }
997 }
998
999 /* reset the quiet channels vector to the union of the restricted and radar channel sets */
wlc_quiet_channels_reset(wlc_cm_info_t * wlc_cm)1000 static void wlc_quiet_channels_reset(wlc_cm_info_t *wlc_cm)
1001 {
1002 struct wlc_info *wlc = wlc_cm->wlc;
1003 uint i, j;
1004 struct wlcband *band;
1005 const chanvec_t *chanvec;
1006
1007 memset(&wlc_cm->quiet_channels, 0, sizeof(chanvec_t));
1008
1009 band = wlc->band;
1010 for (i = 0; i < NBANDS(wlc);
1011 i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
1012
1013 /* initialize quiet channels for restricted channels */
1014 chanvec = wlc_cm->bandstate[band->bandunit].restricted_channels;
1015 for (j = 0; j < sizeof(chanvec_t); j++)
1016 wlc_cm->quiet_channels.vec[j] |= chanvec->vec[j];
1017
1018 }
1019 }
1020
wlc_quiet_chanspec(wlc_cm_info_t * wlc_cm,chanspec_t chspec)1021 static bool wlc_quiet_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
1022 {
1023 return N_ENAB(wlc_cm->wlc->pub) && CHSPEC_IS40(chspec) ?
1024 (isset
1025 (wlc_cm->quiet_channels.vec,
1026 LOWER_20_SB(CHSPEC_CHANNEL(chspec)))
1027 || isset(wlc_cm->quiet_channels.vec,
1028 UPPER_20_SB(CHSPEC_CHANNEL(chspec)))) : isset(wlc_cm->
1029 quiet_channels.
1030 vec,
1031 CHSPEC_CHANNEL
1032 (chspec));
1033 }
1034
1035 /* Is the channel valid for the current locale? (but don't consider channels not
1036 * available due to bandlocking)
1037 */
wlc_valid_channel20_db(wlc_cm_info_t * wlc_cm,uint val)1038 static bool wlc_valid_channel20_db(wlc_cm_info_t *wlc_cm, uint val)
1039 {
1040 struct wlc_info *wlc = wlc_cm->wlc;
1041
1042 return VALID_CHANNEL20(wlc, val) ||
1043 (!wlc->bandlocked
1044 && VALID_CHANNEL20_IN_BAND(wlc, OTHERBANDUNIT(wlc), val));
1045 }
1046
1047 /* Is the channel valid for the current locale and specified band? */
1048 static bool
wlc_valid_channel20_in_band(wlc_cm_info_t * wlc_cm,uint bandunit,uint val)1049 wlc_valid_channel20_in_band(wlc_cm_info_t *wlc_cm, uint bandunit, uint val)
1050 {
1051 return ((val < MAXCHANNEL)
1052 && isset(wlc_cm->bandstate[bandunit].valid_channels.vec, val));
1053 }
1054
1055 /* Is the channel valid for the current locale and current band? */
wlc_valid_channel20(wlc_cm_info_t * wlc_cm,uint val)1056 static bool wlc_valid_channel20(wlc_cm_info_t *wlc_cm, uint val)
1057 {
1058 struct wlc_info *wlc = wlc_cm->wlc;
1059
1060 return ((val < MAXCHANNEL) &&
1061 isset(wlc_cm->bandstate[wlc->band->bandunit].valid_channels.vec,
1062 val));
1063 }
1064
1065 static void
wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t * wlc_cm,struct txpwr_limits * txpwr,u8 local_constraint_qdbm)1066 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t *wlc_cm,
1067 struct txpwr_limits *txpwr,
1068 u8
1069 local_constraint_qdbm)
1070 {
1071 int j;
1072
1073 /* CCK Rates */
1074 for (j = 0; j < WL_TX_POWER_CCK_NUM; j++) {
1075 txpwr->cck[j] = min(txpwr->cck[j], local_constraint_qdbm);
1076 }
1077
1078 /* 20 MHz Legacy OFDM SISO */
1079 for (j = 0; j < WL_TX_POWER_OFDM_NUM; j++) {
1080 txpwr->ofdm[j] = min(txpwr->ofdm[j], local_constraint_qdbm);
1081 }
1082
1083 /* 20 MHz Legacy OFDM CDD */
1084 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1085 txpwr->ofdm_cdd[j] =
1086 min(txpwr->ofdm_cdd[j], local_constraint_qdbm);
1087 }
1088
1089 /* 40 MHz Legacy OFDM SISO */
1090 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1091 txpwr->ofdm_40_siso[j] =
1092 min(txpwr->ofdm_40_siso[j], local_constraint_qdbm);
1093 }
1094
1095 /* 40 MHz Legacy OFDM CDD */
1096 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1097 txpwr->ofdm_40_cdd[j] =
1098 min(txpwr->ofdm_40_cdd[j], local_constraint_qdbm);
1099 }
1100
1101 /* 20MHz MCS 0-7 SISO */
1102 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1103 txpwr->mcs_20_siso[j] =
1104 min(txpwr->mcs_20_siso[j], local_constraint_qdbm);
1105 }
1106
1107 /* 20MHz MCS 0-7 CDD */
1108 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1109 txpwr->mcs_20_cdd[j] =
1110 min(txpwr->mcs_20_cdd[j], local_constraint_qdbm);
1111 }
1112
1113 /* 20MHz MCS 0-7 STBC */
1114 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1115 txpwr->mcs_20_stbc[j] =
1116 min(txpwr->mcs_20_stbc[j], local_constraint_qdbm);
1117 }
1118
1119 /* 20MHz MCS 8-15 MIMO */
1120 for (j = 0; j < WLC_NUM_RATES_MCS_2_STREAM; j++)
1121 txpwr->mcs_20_mimo[j] =
1122 min(txpwr->mcs_20_mimo[j], local_constraint_qdbm);
1123
1124 /* 40MHz MCS 0-7 SISO */
1125 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1126 txpwr->mcs_40_siso[j] =
1127 min(txpwr->mcs_40_siso[j], local_constraint_qdbm);
1128 }
1129
1130 /* 40MHz MCS 0-7 CDD */
1131 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1132 txpwr->mcs_40_cdd[j] =
1133 min(txpwr->mcs_40_cdd[j], local_constraint_qdbm);
1134 }
1135
1136 /* 40MHz MCS 0-7 STBC */
1137 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1138 txpwr->mcs_40_stbc[j] =
1139 min(txpwr->mcs_40_stbc[j], local_constraint_qdbm);
1140 }
1141
1142 /* 40MHz MCS 8-15 MIMO */
1143 for (j = 0; j < WLC_NUM_RATES_MCS_2_STREAM; j++)
1144 txpwr->mcs_40_mimo[j] =
1145 min(txpwr->mcs_40_mimo[j], local_constraint_qdbm);
1146
1147 /* 40MHz MCS 32 */
1148 txpwr->mcs32 = min(txpwr->mcs32, local_constraint_qdbm);
1149
1150 }
1151
1152 void
wlc_channel_set_chanspec(wlc_cm_info_t * wlc_cm,chanspec_t chanspec,u8 local_constraint_qdbm)1153 wlc_channel_set_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chanspec,
1154 u8 local_constraint_qdbm)
1155 {
1156 struct wlc_info *wlc = wlc_cm->wlc;
1157 struct txpwr_limits txpwr;
1158
1159 wlc_channel_reg_limits(wlc_cm, chanspec, &txpwr);
1160
1161 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm, &txpwr,
1162 local_constraint_qdbm);
1163
1164 wlc_bmac_set_chanspec(wlc->hw, chanspec,
1165 (wlc_quiet_chanspec(wlc_cm, chanspec) != 0),
1166 &txpwr);
1167 }
1168
1169 #ifdef POWER_DBG
wlc_phy_txpower_limits_dump(txpwr_limits_t * txpwr)1170 static void wlc_phy_txpower_limits_dump(txpwr_limits_t *txpwr)
1171 {
1172 int i;
1173 char buf[80];
1174 char fraction[4][4] = { " ", ".25", ".5 ", ".75" };
1175
1176 sprintf(buf, "CCK ");
1177 for (i = 0; i < WLC_NUM_RATES_CCK; i++) {
1178 sprintf(buf[strlen(buf)], " %2d%s",
1179 txpwr->cck[i] / WLC_TXPWR_DB_FACTOR,
1180 fraction[txpwr->cck[i] % WLC_TXPWR_DB_FACTOR]);
1181 }
1182 printk(KERN_DEBUG "%s\n", buf);
1183
1184 sprintf(buf, "20 MHz OFDM SISO ");
1185 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1186 sprintf(buf[strlen(buf)], " %2d%s",
1187 txpwr->ofdm[i] / WLC_TXPWR_DB_FACTOR,
1188 fraction[txpwr->ofdm[i] % WLC_TXPWR_DB_FACTOR]);
1189 }
1190 printk(KERN_DEBUG "%s\n", buf);
1191
1192 sprintf(buf, "20 MHz OFDM CDD ");
1193 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1194 sprintf(buf[strlen(buf)], " %2d%s",
1195 txpwr->ofdm_cdd[i] / WLC_TXPWR_DB_FACTOR,
1196 fraction[txpwr->ofdm_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1197 }
1198 printk(KERN_DEBUG "%s\n", buf);
1199
1200 sprintf(buf, "40 MHz OFDM SISO ");
1201 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1202 sprintf(buf[strlen(buf)], " %2d%s",
1203 txpwr->ofdm_40_siso[i] / WLC_TXPWR_DB_FACTOR,
1204 fraction[txpwr->ofdm_40_siso[i] % WLC_TXPWR_DB_FACTOR]);
1205 }
1206 printk(KERN_DEBUG "%s\n", buf);
1207
1208 sprintf(buf, "40 MHz OFDM CDD ");
1209 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1210 sprintf(buf[strlen(buf)], " %2d%s",
1211 txpwr->ofdm_40_cdd[i] / WLC_TXPWR_DB_FACTOR,
1212 fraction[txpwr->ofdm_40_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1213 }
1214 printk(KERN_DEBUG "%s\n", buf);
1215
1216 sprintf(buf, "20 MHz MCS0-7 SISO ");
1217 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1218 sprintf(buf[strlen(buf)], " %2d%s",
1219 txpwr->mcs_20_siso[i] / WLC_TXPWR_DB_FACTOR,
1220 fraction[txpwr->mcs_20_siso[i] % WLC_TXPWR_DB_FACTOR]);
1221 }
1222 printk(KERN_DEBUG "%s\n", buf);
1223
1224 sprintf(buf, "20 MHz MCS0-7 CDD ");
1225 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1226 sprintf(buf[strlen(buf)], " %2d%s",
1227 txpwr->mcs_20_cdd[i] / WLC_TXPWR_DB_FACTOR,
1228 fraction[txpwr->mcs_20_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1229 }
1230 printk(KERN_DEBUG "%s\n", buf);
1231
1232 sprintf(buf, "20 MHz MCS0-7 STBC ");
1233 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1234 sprintf(buf[strlen(buf)], " %2d%s",
1235 txpwr->mcs_20_stbc[i] / WLC_TXPWR_DB_FACTOR,
1236 fraction[txpwr->mcs_20_stbc[i] % WLC_TXPWR_DB_FACTOR]);
1237 }
1238 printk(KERN_DEBUG "%s\n", buf);
1239
1240 sprintf(buf, "20 MHz MCS8-15 SDM ");
1241 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1242 sprintf(buf[strlen(buf)], " %2d%s",
1243 txpwr->mcs_20_mimo[i] / WLC_TXPWR_DB_FACTOR,
1244 fraction[txpwr->mcs_20_mimo[i] % WLC_TXPWR_DB_FACTOR]);
1245 }
1246 printk(KERN_DEBUG "%s\n", buf);
1247
1248 sprintf(buf, "40 MHz MCS0-7 SISO ");
1249 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1250 sprintf(buf[strlen(buf)], " %2d%s",
1251 txpwr->mcs_40_siso[i] / WLC_TXPWR_DB_FACTOR,
1252 fraction[txpwr->mcs_40_siso[i] % WLC_TXPWR_DB_FACTOR]);
1253 }
1254 printk(KERN_DEBUG "%s\n", buf);
1255
1256 sprintf(buf, "40 MHz MCS0-7 CDD ");
1257 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1258 sprintf(buf[strlen(buf)], " %2d%s",
1259 txpwr->mcs_40_cdd[i] / WLC_TXPWR_DB_FACTOR,
1260 fraction[txpwr->mcs_40_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1261 }
1262 printk(KERN_DEBUG "%s\n", buf);
1263
1264 sprintf(buf, "40 MHz MCS0-7 STBC ");
1265 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1266 sprintf(buf[strlen(buf)], " %2d%s",
1267 txpwr->mcs_40_stbc[i] / WLC_TXPWR_DB_FACTOR,
1268 fraction[txpwr->mcs_40_stbc[i] % WLC_TXPWR_DB_FACTOR]);
1269 }
1270 printk(KERN_DEBUG "%s\n", buf);
1271
1272 sprintf(buf, "40 MHz MCS8-15 SDM ");
1273 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1274 sprintf(buf[strlen(buf)], " %2d%s",
1275 txpwr->mcs_40_mimo[i] / WLC_TXPWR_DB_FACTOR,
1276 fraction[txpwr->mcs_40_mimo[i] % WLC_TXPWR_DB_FACTOR]);
1277 }
1278 printk(KERN_DEBUG "%s\n", buf);
1279
1280 printk(KERN_DEBUG "MCS32 %2d%s\n",
1281 txpwr->mcs32 / WLC_TXPWR_DB_FACTOR,
1282 fraction[txpwr->mcs32 % WLC_TXPWR_DB_FACTOR]);
1283 }
1284 #endif /* POWER_DBG */
1285
1286 void
wlc_channel_reg_limits(wlc_cm_info_t * wlc_cm,chanspec_t chanspec,txpwr_limits_t * txpwr)1287 wlc_channel_reg_limits(wlc_cm_info_t *wlc_cm, chanspec_t chanspec,
1288 txpwr_limits_t *txpwr)
1289 {
1290 struct wlc_info *wlc = wlc_cm->wlc;
1291 uint i;
1292 uint chan;
1293 int maxpwr;
1294 int delta;
1295 const country_info_t *country;
1296 struct wlcband *band;
1297 const locale_info_t *li;
1298 int conducted_max;
1299 int conducted_ofdm_max;
1300 const locale_mimo_info_t *li_mimo;
1301 int maxpwr20, maxpwr40;
1302 int maxpwr_idx;
1303 uint j;
1304
1305 memset(txpwr, 0, sizeof(txpwr_limits_t));
1306
1307 if (!wlc_valid_chanspec_db(wlc_cm, chanspec)) {
1308 country = wlc_country_lookup(wlc, wlc->autocountry_default);
1309 if (country == NULL)
1310 return;
1311 } else {
1312 country = wlc_cm->country;
1313 }
1314
1315 chan = CHSPEC_CHANNEL(chanspec);
1316 band = wlc->bandstate[CHSPEC_WLCBANDUNIT(chanspec)];
1317 li = BAND_5G(band->bandtype) ?
1318 wlc_get_locale_5g(country->locale_5G) :
1319 wlc_get_locale_2g(country->locale_2G);
1320
1321 li_mimo = BAND_5G(band->bandtype) ?
1322 wlc_get_mimo_5g(country->locale_mimo_5G) :
1323 wlc_get_mimo_2g(country->locale_mimo_2G);
1324
1325 if (li->flags & WLC_EIRP) {
1326 delta = band->antgain;
1327 } else {
1328 delta = 0;
1329 if (band->antgain > QDB(6))
1330 delta = band->antgain - QDB(6); /* Excess over 6 dB */
1331 }
1332
1333 if (li == &locale_i) {
1334 conducted_max = QDB(22);
1335 conducted_ofdm_max = QDB(22);
1336 }
1337
1338 /* CCK txpwr limits for 2.4G band */
1339 if (BAND_2G(band->bandtype)) {
1340 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_CCK(chan)];
1341
1342 maxpwr = maxpwr - delta;
1343 maxpwr = max(maxpwr, 0);
1344 maxpwr = min(maxpwr, conducted_max);
1345
1346 for (i = 0; i < WLC_NUM_RATES_CCK; i++)
1347 txpwr->cck[i] = (u8) maxpwr;
1348 }
1349
1350 /* OFDM txpwr limits for 2.4G or 5G bands */
1351 if (BAND_2G(band->bandtype)) {
1352 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_OFDM(chan)];
1353
1354 } else {
1355 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_5G(chan)];
1356 }
1357
1358 maxpwr = maxpwr - delta;
1359 maxpwr = max(maxpwr, 0);
1360 maxpwr = min(maxpwr, conducted_ofdm_max);
1361
1362 /* Keep OFDM lmit below CCK limit */
1363 if (BAND_2G(band->bandtype))
1364 maxpwr = min_t(int, maxpwr, txpwr->cck[0]);
1365
1366 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1367 txpwr->ofdm[i] = (u8) maxpwr;
1368 }
1369
1370 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1371 /* OFDM 40 MHz SISO has the same power as the corresponding MCS0-7 rate unless
1372 * overriden by the locale specific code. We set this value to 0 as a
1373 * flag (presumably 0 dBm isn't a possibility) and then copy the MCS0-7 value
1374 * to the 40 MHz value if it wasn't explicitly set.
1375 */
1376 txpwr->ofdm_40_siso[i] = 0;
1377
1378 txpwr->ofdm_cdd[i] = (u8) maxpwr;
1379
1380 txpwr->ofdm_40_cdd[i] = 0;
1381 }
1382
1383 /* MIMO/HT specific limits */
1384 if (li_mimo->flags & WLC_EIRP) {
1385 delta = band->antgain;
1386 } else {
1387 delta = 0;
1388 if (band->antgain > QDB(6))
1389 delta = band->antgain - QDB(6); /* Excess over 6 dB */
1390 }
1391
1392 if (BAND_2G(band->bandtype))
1393 maxpwr_idx = (chan - 1);
1394 else
1395 maxpwr_idx = CHANNEL_POWER_IDX_5G(chan);
1396
1397 maxpwr20 = li_mimo->maxpwr20[maxpwr_idx];
1398 maxpwr40 = li_mimo->maxpwr40[maxpwr_idx];
1399
1400 maxpwr20 = maxpwr20 - delta;
1401 maxpwr20 = max(maxpwr20, 0);
1402 maxpwr40 = maxpwr40 - delta;
1403 maxpwr40 = max(maxpwr40, 0);
1404
1405 /* Fill in the MCS 0-7 (SISO) rates */
1406 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1407
1408 /* 20 MHz has the same power as the corresponding OFDM rate unless
1409 * overriden by the locale specific code.
1410 */
1411 txpwr->mcs_20_siso[i] = txpwr->ofdm[i];
1412 txpwr->mcs_40_siso[i] = 0;
1413 }
1414
1415 /* Fill in the MCS 0-7 CDD rates */
1416 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1417 txpwr->mcs_20_cdd[i] = (u8) maxpwr20;
1418 txpwr->mcs_40_cdd[i] = (u8) maxpwr40;
1419 }
1420
1421 /* These locales have SISO expressed in the table and override CDD later */
1422 if (li_mimo == &locale_bn) {
1423 if (li_mimo == &locale_bn) {
1424 maxpwr20 = QDB(16);
1425 maxpwr40 = 0;
1426
1427 if (chan >= 3 && chan <= 11) {
1428 maxpwr40 = QDB(16);
1429 }
1430 }
1431
1432 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1433 txpwr->mcs_20_siso[i] = (u8) maxpwr20;
1434 txpwr->mcs_40_siso[i] = (u8) maxpwr40;
1435 }
1436 }
1437
1438 /* Fill in the MCS 0-7 STBC rates */
1439 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1440 txpwr->mcs_20_stbc[i] = 0;
1441 txpwr->mcs_40_stbc[i] = 0;
1442 }
1443
1444 /* Fill in the MCS 8-15 SDM rates */
1445 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1446 txpwr->mcs_20_mimo[i] = (u8) maxpwr20;
1447 txpwr->mcs_40_mimo[i] = (u8) maxpwr40;
1448 }
1449
1450 /* Fill in MCS32 */
1451 txpwr->mcs32 = (u8) maxpwr40;
1452
1453 for (i = 0, j = 0; i < WLC_NUM_RATES_OFDM; i++, j++) {
1454 if (txpwr->ofdm_40_cdd[i] == 0)
1455 txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
1456 if (i == 0) {
1457 i = i + 1;
1458 if (txpwr->ofdm_40_cdd[i] == 0)
1459 txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
1460 }
1461 }
1462
1463 /* Copy the 40 MHZ MCS 0-7 CDD value to the 40 MHZ MCS 0-7 SISO value if it wasn't
1464 * provided explicitly.
1465 */
1466
1467 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1468 if (txpwr->mcs_40_siso[i] == 0)
1469 txpwr->mcs_40_siso[i] = txpwr->mcs_40_cdd[i];
1470 }
1471
1472 for (i = 0, j = 0; i < WLC_NUM_RATES_OFDM; i++, j++) {
1473 if (txpwr->ofdm_40_siso[i] == 0)
1474 txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
1475 if (i == 0) {
1476 i = i + 1;
1477 if (txpwr->ofdm_40_siso[i] == 0)
1478 txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
1479 }
1480 }
1481
1482 /* Copy the 20 and 40 MHz MCS0-7 CDD values to the corresponding STBC values if they weren't
1483 * provided explicitly.
1484 */
1485 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1486 if (txpwr->mcs_20_stbc[i] == 0)
1487 txpwr->mcs_20_stbc[i] = txpwr->mcs_20_cdd[i];
1488
1489 if (txpwr->mcs_40_stbc[i] == 0)
1490 txpwr->mcs_40_stbc[i] = txpwr->mcs_40_cdd[i];
1491 }
1492
1493 #ifdef POWER_DBG
1494 wlc_phy_txpower_limits_dump(txpwr);
1495 #endif
1496 return;
1497 }
1498
1499 /* Returns true if currently set country is Japan or variant */
wlc_japan(struct wlc_info * wlc)1500 static bool wlc_japan(struct wlc_info *wlc)
1501 {
1502 return wlc_japan_ccode(wlc->cmi->country_abbrev);
1503 }
1504
1505 /* JP, J1 - J10 are Japan ccodes */
wlc_japan_ccode(const char * ccode)1506 static bool wlc_japan_ccode(const char *ccode)
1507 {
1508 return (ccode[0] == 'J' &&
1509 (ccode[1] == 'P' || (ccode[1] >= '1' && ccode[1] <= '9')));
1510 }
1511
1512 /*
1513 * Validate the chanspec for this locale, for 40MHZ we need to also check that the sidebands
1514 * are valid 20MZH channels in this locale and they are also a legal HT combination
1515 */
1516 static bool
wlc_valid_chanspec_ext(wlc_cm_info_t * wlc_cm,chanspec_t chspec,bool dualband)1517 wlc_valid_chanspec_ext(wlc_cm_info_t *wlc_cm, chanspec_t chspec, bool dualband)
1518 {
1519 struct wlc_info *wlc = wlc_cm->wlc;
1520 u8 channel = CHSPEC_CHANNEL(chspec);
1521
1522 /* check the chanspec */
1523 if (wf_chspec_malformed(chspec)) {
1524 WL_ERROR("wl%d: malformed chanspec 0x%x\n",
1525 wlc->pub->unit, chspec);
1526 ASSERT(0);
1527 return false;
1528 }
1529
1530 if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) !=
1531 CHSPEC_WLCBANDUNIT(chspec))
1532 return false;
1533
1534 /* Check a 20Mhz channel */
1535 if (CHSPEC_IS20(chspec)) {
1536 if (dualband)
1537 return VALID_CHANNEL20_DB(wlc_cm->wlc, channel);
1538 else
1539 return VALID_CHANNEL20(wlc_cm->wlc, channel);
1540 }
1541 #ifdef SUPPORT_40MHZ
1542 /* We know we are now checking a 40MHZ channel, so we should only be here
1543 * for NPHYS
1544 */
1545 if (WLCISNPHY(wlc->band) || WLCISSSLPNPHY(wlc->band)) {
1546 u8 upper_sideband = 0, idx;
1547 u8 num_ch20_entries =
1548 sizeof(chan20_info) / sizeof(struct chan20_info);
1549
1550 if (!VALID_40CHANSPEC_IN_BAND(wlc, CHSPEC_WLCBANDUNIT(chspec)))
1551 return false;
1552
1553 if (dualband) {
1554 if (!VALID_CHANNEL20_DB(wlc, LOWER_20_SB(channel)) ||
1555 !VALID_CHANNEL20_DB(wlc, UPPER_20_SB(channel)))
1556 return false;
1557 } else {
1558 if (!VALID_CHANNEL20(wlc, LOWER_20_SB(channel)) ||
1559 !VALID_CHANNEL20(wlc, UPPER_20_SB(channel)))
1560 return false;
1561 }
1562
1563 /* find the lower sideband info in the sideband array */
1564 for (idx = 0; idx < num_ch20_entries; idx++) {
1565 if (chan20_info[idx].sb == LOWER_20_SB(channel))
1566 upper_sideband = chan20_info[idx].adj_sbs;
1567 }
1568 /* check that the lower sideband allows an upper sideband */
1569 if ((upper_sideband & (CH_UPPER_SB | CH_EWA_VALID)) ==
1570 (CH_UPPER_SB | CH_EWA_VALID))
1571 return true;
1572 return false;
1573 }
1574 #endif /* 40 MHZ */
1575
1576 return false;
1577 }
1578
wlc_valid_chanspec_db(wlc_cm_info_t * wlc_cm,chanspec_t chspec)1579 bool wlc_valid_chanspec_db(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
1580 {
1581 return wlc_valid_chanspec_ext(wlc_cm, chspec, true);
1582 }
1583