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Staging: Add initial release of brcm80211 - Broadcom 802.11n wireless LAN driver.
[mirror_ubuntu-artful-kernel.git] / drivers / staging / brcm80211 / sys / wlc_channel.c
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 <wlc_cfg.h>
18 #include <typedefs.h>
19 #include <bcmdefs.h>
20 #include <osl.h>
21 #include <bcmutils.h>
22 #include <siutils.h>
23 #include <wlioctl.h>
24 #include <wlc_pub.h>
25 #include <wlc_key.h>
26 #include <wlc_mac80211.h>
27 #include <wlc_bmac.h>
28 #include <wlc_stf.h>
29 #include <wlc_channel.h>
30
31 typedef struct wlc_cm_band {
32 uint8 locale_flags; /* locale_info_t flags */
33 chanvec_t valid_channels; /* List of valid channels in the country */
34 const chanvec_t *restricted_channels; /* List of restricted use channels */
35 const chanvec_t *radar_channels; /* List of radar sensitive channels */
36 uint8 PAD[8];
37 } wlc_cm_band_t;
38
39 struct wlc_cm_info {
40 wlc_pub_t *pub;
41 wlc_info_t *wlc;
42 char srom_ccode[WLC_CNTRY_BUF_SZ]; /* Country Code in SROM */
43 uint srom_regrev; /* Regulatory Rev for the SROM ccode */
44 const country_info_t *country; /* current country def */
45 char ccode[WLC_CNTRY_BUF_SZ]; /* current internal Country Code */
46 uint regrev; /* current Regulatory Revision */
47 char country_abbrev[WLC_CNTRY_BUF_SZ]; /* current advertised ccode */
48 wlc_cm_band_t bandstate[MAXBANDS]; /* per-band state (one per phy/radio) */
49 /* quiet channels currently for radar sensitivity or 11h support */
50 chanvec_t quiet_channels; /* channels on which we cannot transmit */
51 };
52
53 static int wlc_channels_init(wlc_cm_info_t * wlc_cm,
54 const country_info_t * country);
55 static void wlc_set_country_common(wlc_cm_info_t * wlc_cm,
56 const char *country_abbrev,
57 const char *ccode, uint regrev,
58 const country_info_t * country);
59 static int wlc_country_aggregate_map(wlc_cm_info_t * wlc_cm, const char *ccode,
60 char *mapped_ccode, uint * mapped_regrev);
61 static const country_info_t *wlc_country_lookup_direct(const char *ccode,
62 uint regrev);
63 static const country_info_t *wlc_countrycode_map(wlc_cm_info_t * wlc_cm,
64 const char *ccode,
65 char *mapped_ccode,
66 uint * mapped_regrev);
67 static void wlc_channels_commit(wlc_cm_info_t * wlc_cm);
68 static bool wlc_japan_ccode(const char *ccode);
69 static void wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t *
70 wlc_cm,
71 struct
72 txpwr_limits
73 *txpwr,
74 uint8
75 local_constraint_qdbm);
76 void wlc_locale_add_channels(chanvec_t * target, const chanvec_t * channels);
77 static const locale_mimo_info_t *wlc_get_mimo_2g(uint8 locale_idx);
78 static const locale_mimo_info_t *wlc_get_mimo_5g(uint8 locale_idx);
79
80 /* QDB() macro takes a dB value and converts to a quarter dB value */
81 #ifdef QDB
82 #undef QDB
83 #endif
84 #define QDB(n) ((n) * WLC_TXPWR_DB_FACTOR)
85
86 /* Regulatory Matrix Spreadsheet (CLM) MIMO v3.7.9 */
87
88 /*
89 * Some common channel sets
90 */
91
92 /* No channels */
93 static const chanvec_t chanvec_none = {
94 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
95 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
96 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
97 0x00, 0x00, 0x00, 0x00}
98 };
99
100 /* All 2.4 GHz HW channels */
101 const chanvec_t chanvec_all_2G = {
102 {0xfe, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
103 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
104 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
105 0x00, 0x00, 0x00, 0x00}
106 };
107
108 /* All 5 GHz HW channels */
109 const chanvec_t chanvec_all_5G = {
110 {0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x11, 0x11,
111 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11,
112 0x11, 0x11, 0x20, 0x22, 0x22, 0x00, 0x00, 0x11,
113 0x11, 0x11, 0x11, 0x01}
114 };
115
116 /*
117 * Radar channel sets
118 */
119
120 /* No radar */
121 #define radar_set_none chanvec_none
122
123 static const chanvec_t radar_set1 = { /* Channels 52 - 64, 100 - 140 */
124 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, /* 52 - 60 */
125 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11, /* 64, 100 - 124 */
126 0x11, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 128 - 140 */
127 0x00, 0x00, 0x00, 0x00}
128 };
129
130 /*
131 * Restricted channel sets
132 */
133
134 #define restricted_set_none chanvec_none
135
136 /* Channels 34, 38, 42, 46 */
137 static const chanvec_t restricted_set_japan_legacy = {
138 {0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
139 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
140 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
141 0x00, 0x00, 0x00, 0x00}
142 };
143
144 /* Channels 12, 13 */
145 static const chanvec_t restricted_set_2g_short = {
146 {0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
147 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
148 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
149 0x00, 0x00, 0x00, 0x00}
150 };
151
152 /* Channel 165 */
153 static const chanvec_t restricted_chan_165 = {
154 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
155 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
156 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
157 0x00, 0x00, 0x00, 0x00}
158 };
159
160 /* Channels 36 - 48 & 149 - 165 */
161 static const chanvec_t restricted_low_hi = {
162 {0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
163 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
164 0x00, 0x00, 0x20, 0x22, 0x22, 0x00, 0x00, 0x00,
165 0x00, 0x00, 0x00, 0x00}
166 };
167
168 /* Channels 12 - 14 */
169 static const chanvec_t restricted_set_12_13_14 = {
170 {0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
171 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
172 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
173 0x00, 0x00, 0x00, 0x00}
174 };
175
176 #define LOCALE_CHAN_01_11 (1<<0)
177 #define LOCALE_CHAN_12_13 (1<<1)
178 #define LOCALE_CHAN_14 (1<<2)
179 #define LOCALE_SET_5G_LOW_JP1 (1<<3) /* 34-48, step 2 */
180 #define LOCALE_SET_5G_LOW_JP2 (1<<4) /* 34-46, step 4 */
181 #define LOCALE_SET_5G_LOW1 (1<<5) /* 36-48, step 4 */
182 #define LOCALE_SET_5G_LOW2 (1<<6) /* 52 */
183 #define LOCALE_SET_5G_LOW3 (1<<7) /* 56-64, step 4 */
184 #define LOCALE_SET_5G_MID1 (1<<8) /* 100-116, step 4 */
185 #define LOCALE_SET_5G_MID2 (1<<9) /* 120-124, step 4 */
186 #define LOCALE_SET_5G_MID3 (1<<10) /* 128 */
187 #define LOCALE_SET_5G_HIGH1 (1<<11) /* 132-140, step 4 */
188 #define LOCALE_SET_5G_HIGH2 (1<<12) /* 149-161, step 4 */
189 #define LOCALE_SET_5G_HIGH3 (1<<13) /* 165 */
190 #define LOCALE_CHAN_52_140_ALL (1<<14)
191 #define LOCALE_SET_5G_HIGH4 (1<<15) /* 184-216 */
192
193 #define LOCALE_CHAN_36_64 LOCALE_SET_5G_LOW1 | LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3
194 #define LOCALE_CHAN_52_64 LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3
195 #define LOCALE_CHAN_100_124 LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2
196 #define LOCALE_CHAN_100_140 \
197 LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2 | LOCALE_SET_5G_MID3 | LOCALE_SET_5G_HIGH1
198 #define LOCALE_CHAN_149_165 LOCALE_SET_5G_HIGH2 | LOCALE_SET_5G_HIGH3
199 #define LOCALE_CHAN_184_216 LOCALE_SET_5G_HIGH4
200
201 #define LOCALE_CHAN_01_14 (LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13 | LOCALE_CHAN_14)
202
203 #define LOCALE_RADAR_SET_NONE 0
204 #define LOCALE_RADAR_SET_1 1
205
206 #define LOCALE_RESTRICTED_NONE 0
207 #define LOCALE_RESTRICTED_SET_2G_SHORT 1
208 #define LOCALE_RESTRICTED_CHAN_165 2
209 #define LOCALE_CHAN_ALL_5G 3
210 #define LOCALE_RESTRICTED_JAPAN_LEGACY 4
211 #define LOCALE_RESTRICTED_11D_2G 5
212 #define LOCALE_RESTRICTED_11D_5G 6
213 #define LOCALE_RESTRICTED_LOW_HI 7
214 #define LOCALE_RESTRICTED_12_13_14 8
215
216 /* global memory to provide working buffer for expanded locale */
217
218 static const chanvec_t *g_table_radar_set[] = {
219 &chanvec_none,
220 &radar_set1
221 };
222
223 static const chanvec_t *g_table_restricted_chan[] = {
224 &chanvec_none, /* restricted_set_none */
225 &restricted_set_2g_short,
226 &restricted_chan_165,
227 &chanvec_all_5G,
228 &restricted_set_japan_legacy,
229 &chanvec_all_2G, /* restricted_set_11d_2G */
230 &chanvec_all_5G, /* restricted_set_11d_5G */
231 &restricted_low_hi,
232 &restricted_set_12_13_14
233 };
234
235 static const chanvec_t locale_2g_01_11 = {
236 {0xfe, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
237 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
238 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
239 0x00, 0x00, 0x00, 0x00}
240 };
241
242 static const chanvec_t locale_2g_12_13 = {
243 {0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
244 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
245 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
246 0x00, 0x00, 0x00, 0x00}
247 };
248
249 static const chanvec_t locale_2g_14 = {
250 {0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
251 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
252 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
253 0x00, 0x00, 0x00, 0x00}
254 };
255
256 static const chanvec_t locale_5g_LOW_JP1 = {
257 {0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x01, 0x00,
258 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
259 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
260 0x00, 0x00, 0x00, 0x00}
261 };
262
263 static const chanvec_t locale_5g_LOW_JP2 = {
264 {0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
265 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
266 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
267 0x00, 0x00, 0x00, 0x00}
268 };
269
270 static const chanvec_t locale_5g_LOW1 = {
271 {0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
272 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
273 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
274 0x00, 0x00, 0x00, 0x00}
275 };
276
277 static const chanvec_t locale_5g_LOW2 = {
278 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
279 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
280 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
281 0x00, 0x00, 0x00, 0x00}
282 };
283
284 static const chanvec_t locale_5g_LOW3 = {
285 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
286 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
287 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
288 0x00, 0x00, 0x00, 0x00}
289 };
290
291 static const chanvec_t locale_5g_MID1 = {
292 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
293 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x00,
294 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
295 0x00, 0x00, 0x00, 0x00}
296 };
297
298 static const chanvec_t locale_5g_MID2 = {
299 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
300 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
301 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
302 0x00, 0x00, 0x00, 0x00}
303 };
304
305 static const chanvec_t locale_5g_MID3 = {
306 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
307 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
308 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
309 0x00, 0x00, 0x00, 0x00}
310 };
311
312 static const chanvec_t locale_5g_HIGH1 = {
313 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
314 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
315 0x10, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
316 0x00, 0x00, 0x00, 0x00}
317 };
318
319 static const chanvec_t locale_5g_HIGH2 = {
320 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
321 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
322 0x00, 0x00, 0x20, 0x22, 0x02, 0x00, 0x00, 0x00,
323 0x00, 0x00, 0x00, 0x00}
324 };
325
326 static const chanvec_t locale_5g_HIGH3 = {
327 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
328 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
329 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
330 0x00, 0x00, 0x00, 0x00}
331 };
332
333 static const chanvec_t locale_5g_52_140_ALL = {
334 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11,
335 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
336 0x11, 0x11, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
337 0x00, 0x00, 0x00, 0x00}
338 };
339
340 static const chanvec_t locale_5g_HIGH4 = {
341 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
342 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
343 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
344 0x11, 0x11, 0x11, 0x11}
345 };
346
347 static const chanvec_t *g_table_locale_base[] = {
348 &locale_2g_01_11,
349 &locale_2g_12_13,
350 &locale_2g_14,
351 &locale_5g_LOW_JP1,
352 &locale_5g_LOW_JP2,
353 &locale_5g_LOW1,
354 &locale_5g_LOW2,
355 &locale_5g_LOW3,
356 &locale_5g_MID1,
357 &locale_5g_MID2,
358 &locale_5g_MID3,
359 &locale_5g_HIGH1,
360 &locale_5g_HIGH2,
361 &locale_5g_HIGH3,
362 &locale_5g_52_140_ALL,
363 &locale_5g_HIGH4
364 };
365
366 void wlc_locale_add_channels(chanvec_t * target, const chanvec_t * channels)
367 {
368 uint8 i;
369 for (i = 0; i < sizeof(chanvec_t); i++) {
370 target->vec[i] |= channels->vec[i];
371 }
372 }
373
374 void wlc_locale_get_channels(const locale_info_t * locale, chanvec_t * channels)
375 {
376 uint8 i;
377
378 bzero(channels, sizeof(chanvec_t));
379
380 for (i = 0; i < ARRAYSIZE(g_table_locale_base); i++) {
381 if (locale->valid_channels & (1 << i)) {
382 wlc_locale_add_channels(channels,
383 g_table_locale_base[i]);
384 }
385 }
386 }
387
388 /*
389 * Locale Definitions - 2.4 GHz
390 */
391 static const locale_info_t locale_i = { /* locale i. channel 1 - 13 */
392 LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13,
393 LOCALE_RADAR_SET_NONE,
394 LOCALE_RESTRICTED_SET_2G_SHORT,
395 {QDB(19), QDB(19), QDB(19),
396 QDB(19), QDB(19), QDB(19)},
397 {20, 20, 20, 0},
398 WLC_EIRP
399 };
400
401 /*
402 * Locale Definitions - 5 GHz
403 */
404 static const locale_info_t locale_11 = {
405 /* locale 11. channel 36 - 48, 52 - 64, 100 - 140, 149 - 165 */
406 LOCALE_CHAN_36_64 | LOCALE_CHAN_100_140 | LOCALE_CHAN_149_165,
407 LOCALE_RADAR_SET_1,
408 LOCALE_RESTRICTED_NONE,
409 {QDB(21), QDB(21), QDB(21), QDB(21), QDB(21)},
410 {23, 23, 23, 30, 30},
411 WLC_EIRP | WLC_DFS_EU
412 };
413
414 #define LOCALE_2G_IDX_i 0
415 static const locale_info_t *g_locale_2g_table[] = {
416 &locale_i
417 };
418
419 #define LOCALE_5G_IDX_11 0
420 static const locale_info_t *g_locale_5g_table[] = {
421 &locale_11
422 };
423
424 /*
425 * MIMO Locale Definitions - 2.4 GHz
426 */
427 static const locale_mimo_info_t locale_bn = {
428 {QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
429 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
430 QDB(13), QDB(13), QDB(13)},
431 {0, 0, QDB(13), QDB(13), QDB(13),
432 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
433 QDB(13), 0, 0},
434 0
435 };
436
437 /* locale mimo 2g indexes */
438 #define LOCALE_MIMO_IDX_bn 0
439
440 static const locale_mimo_info_t *g_mimo_2g_table[] = {
441 &locale_bn
442 };
443
444 /*
445 * MIMO Locale Definitions - 5 GHz
446 */
447 static const locale_mimo_info_t locale_11n = {
448 { /* 12.5 dBm */ 50, 50, 50, QDB(15), QDB(15)},
449 {QDB(14), QDB(15), QDB(15), QDB(15), QDB(15)},
450 0
451 };
452
453 #define LOCALE_MIMO_IDX_11n 0
454 static const locale_mimo_info_t *g_mimo_5g_table[] = {
455 &locale_11n
456 };
457
458 #ifdef LC
459 #undef LC
460 #endif
461 #define LC(id) LOCALE_MIMO_IDX_ ## id
462
463 #ifdef LC_2G
464 #undef LC_2G
465 #endif
466 #define LC_2G(id) LOCALE_2G_IDX_ ## id
467
468 #ifdef LC_5G
469 #undef LC_5G
470 #endif
471 #define LC_5G(id) LOCALE_5G_IDX_ ## id
472
473 #define LOCALES(band2, band5, mimo2, mimo5) {LC_2G(band2), LC_5G(band5), LC(mimo2), LC(mimo5)}
474
475 static const struct {
476 char abbrev[WLC_CNTRY_BUF_SZ]; /* country abbreviation */
477 country_info_t country;
478 } cntry_locales[] = {
479 {
480 "X2", LOCALES(i, 11, bn, 11n)}, /* Worldwide RoW 2 */
481 };
482
483 #ifdef SUPPORT_40MHZ
484 /* 20MHz channel info for 40MHz pairing support */
485 struct chan20_info {
486 uint8 sb;
487 uint8 adj_sbs;
488 };
489
490 /* indicates adjacent channels that are allowed for a 40 Mhz channel and
491 * those that permitted by the HT
492 */
493 struct chan20_info chan20_info[] = {
494 /* 11b/11g */
495 /* 0 */ {1, (CH_UPPER_SB | CH_EWA_VALID)},
496 /* 1 */ {2, (CH_UPPER_SB | CH_EWA_VALID)},
497 /* 2 */ {3, (CH_UPPER_SB | CH_EWA_VALID)},
498 /* 3 */ {4, (CH_UPPER_SB | CH_EWA_VALID)},
499 /* 4 */ {5, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
500 /* 5 */ {6, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
501 /* 6 */ {7, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
502 /* 7 */ {8, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
503 /* 8 */ {9, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
504 /* 9 */ {10, (CH_LOWER_SB | CH_EWA_VALID)},
505 /* 10 */ {11, (CH_LOWER_SB | CH_EWA_VALID)},
506 /* 11 */ {12, (CH_LOWER_SB)},
507 /* 12 */ {13, (CH_LOWER_SB)},
508 /* 13 */ {14, (CH_LOWER_SB)},
509
510 /* 11a japan high */
511 /* 14 */ {34, (CH_UPPER_SB)},
512 /* 15 */ {38, (CH_LOWER_SB)},
513 /* 16 */ {42, (CH_LOWER_SB)},
514 /* 17 */ {46, (CH_LOWER_SB)},
515
516 /* 11a usa low */
517 /* 18 */ {36, (CH_UPPER_SB | CH_EWA_VALID)},
518 /* 19 */ {40, (CH_LOWER_SB | CH_EWA_VALID)},
519 /* 20 */ {44, (CH_UPPER_SB | CH_EWA_VALID)},
520 /* 21 */ {48, (CH_LOWER_SB | CH_EWA_VALID)},
521 /* 22 */ {52, (CH_UPPER_SB | CH_EWA_VALID)},
522 /* 23 */ {56, (CH_LOWER_SB | CH_EWA_VALID)},
523 /* 24 */ {60, (CH_UPPER_SB | CH_EWA_VALID)},
524 /* 25 */ {64, (CH_LOWER_SB | CH_EWA_VALID)},
525
526 /* 11a Europe */
527 /* 26 */ {100, (CH_UPPER_SB | CH_EWA_VALID)},
528 /* 27 */ {104, (CH_LOWER_SB | CH_EWA_VALID)},
529 /* 28 */ {108, (CH_UPPER_SB | CH_EWA_VALID)},
530 /* 29 */ {112, (CH_LOWER_SB | CH_EWA_VALID)},
531 /* 30 */ {116, (CH_UPPER_SB | CH_EWA_VALID)},
532 /* 31 */ {120, (CH_LOWER_SB | CH_EWA_VALID)},
533 /* 32 */ {124, (CH_UPPER_SB | CH_EWA_VALID)},
534 /* 33 */ {128, (CH_LOWER_SB | CH_EWA_VALID)},
535 /* 34 */ {132, (CH_UPPER_SB | CH_EWA_VALID)},
536 /* 35 */ {136, (CH_LOWER_SB | CH_EWA_VALID)},
537 /* 36 */ {140, (CH_LOWER_SB)},
538
539 /* 11a usa high, ref5 only */
540 /* The 0x80 bit in pdiv means these are REF5, other entries are REF20 */
541 /* 37 */ {149, (CH_UPPER_SB | CH_EWA_VALID)},
542 /* 38 */ {153, (CH_LOWER_SB | CH_EWA_VALID)},
543 /* 39 */ {157, (CH_UPPER_SB | CH_EWA_VALID)},
544 /* 40 */ {161, (CH_LOWER_SB | CH_EWA_VALID)},
545 /* 41 */ {165, (CH_LOWER_SB)},
546
547 /* 11a japan */
548 /* 42 */ {184, (CH_UPPER_SB)},
549 /* 43 */ {188, (CH_LOWER_SB)},
550 /* 44 */ {192, (CH_UPPER_SB)},
551 /* 45 */ {196, (CH_LOWER_SB)},
552 /* 46 */ {200, (CH_UPPER_SB)},
553 /* 47 */ {204, (CH_LOWER_SB)},
554 /* 48 */ {208, (CH_UPPER_SB)},
555 /* 49 */ {212, (CH_LOWER_SB)},
556 /* 50 */ {216, (CH_LOWER_SB)}
557 };
558 #endif /* SUPPORT_40MHZ */
559
560 const locale_info_t *wlc_get_locale_2g(uint8 locale_idx)
561 {
562 if (locale_idx >= ARRAYSIZE(g_locale_2g_table)) {
563 WL_ERROR(("%s: locale 2g index size out of range %d\n",
564 __func__, locale_idx));
565 ASSERT(locale_idx < ARRAYSIZE(g_locale_2g_table));
566 return NULL;
567 }
568 return g_locale_2g_table[locale_idx];
569 }
570
571 const locale_info_t *wlc_get_locale_5g(uint8 locale_idx)
572 {
573 if (locale_idx >= ARRAYSIZE(g_locale_5g_table)) {
574 WL_ERROR(("%s: locale 5g index size out of range %d\n",
575 __func__, locale_idx));
576 ASSERT(locale_idx < ARRAYSIZE(g_locale_5g_table));
577 return NULL;
578 }
579 return g_locale_5g_table[locale_idx];
580 }
581
582 const locale_mimo_info_t *wlc_get_mimo_2g(uint8 locale_idx)
583 {
584 if (locale_idx >= ARRAYSIZE(g_mimo_2g_table)) {
585 WL_ERROR(("%s: mimo 2g index size out of range %d\n", __func__,
586 locale_idx));
587 return NULL;
588 }
589 return g_mimo_2g_table[locale_idx];
590 }
591
592 const locale_mimo_info_t *wlc_get_mimo_5g(uint8 locale_idx)
593 {
594 if (locale_idx >= ARRAYSIZE(g_mimo_5g_table)) {
595 WL_ERROR(("%s: mimo 5g index size out of range %d\n", __func__,
596 locale_idx));
597 return NULL;
598 }
599 return g_mimo_5g_table[locale_idx];
600 }
601
602 wlc_cm_info_t *BCMATTACHFN(wlc_channel_mgr_attach) (wlc_info_t * wlc) {
603 wlc_cm_info_t *wlc_cm;
604 char country_abbrev[WLC_CNTRY_BUF_SZ];
605 const country_info_t *country;
606 wlc_pub_t *pub = wlc->pub;
607 char *ccode;
608
609 WL_TRACE(("wl%d: wlc_channel_mgr_attach\n", wlc->pub->unit));
610
611 if ((wlc_cm =
612 (wlc_cm_info_t *) MALLOC(pub->osh,
613 sizeof(wlc_cm_info_t))) == NULL) {
614 WL_ERROR(("wl%d: %s: out of memory, malloced %d bytes",
615 pub->unit, __func__, MALLOCED(pub->osh)));
616 return NULL;
617 }
618 bzero((char *)wlc_cm, sizeof(wlc_cm_info_t));
619 wlc_cm->pub = pub;
620 wlc_cm->wlc = wlc;
621 wlc->cmi = wlc_cm;
622
623 /* store the country code for passing up as a regulatory hint */
624 ccode = getvar(wlc->pub->vars, "ccode");
625 if (ccode) {
626 strncpy(wlc->pub->srom_ccode, ccode, WLC_CNTRY_BUF_SZ - 1);
627 WL_NONE(("%s: SROM country code is %c%c\n", __func__,
628 wlc->pub->srom_ccode[0], wlc->pub->srom_ccode[1]));
629 }
630
631 /* internal country information which must match regulatory constraints in firmware */
632 bzero(country_abbrev, WLC_CNTRY_BUF_SZ);
633 strncpy(country_abbrev, "X2", sizeof(country_abbrev) - 1);
634 country = wlc_country_lookup(wlc, country_abbrev);
635
636 ASSERT(country != NULL);
637
638 /* save default country for exiting 11d regulatory mode */
639 strncpy(wlc->country_default, country_abbrev, WLC_CNTRY_BUF_SZ - 1);
640
641 /* initialize autocountry_default to driver default */
642 strncpy(wlc->autocountry_default, "X2", WLC_CNTRY_BUF_SZ - 1);
643
644 wlc_set_countrycode(wlc_cm, country_abbrev);
645
646 return wlc_cm;
647 }
648
649 void BCMATTACHFN(wlc_channel_mgr_detach) (wlc_cm_info_t * wlc_cm) {
650 if (wlc_cm)
651 MFREE(wlc_cm->pub->osh, wlc_cm, sizeof(wlc_cm_info_t));
652 }
653
654 const char *wlc_channel_country_abbrev(wlc_cm_info_t * wlc_cm)
655 {
656 return wlc_cm->country_abbrev;
657 }
658
659 uint8 wlc_channel_locale_flags(wlc_cm_info_t * wlc_cm)
660 {
661 wlc_info_t *wlc = wlc_cm->wlc;
662
663 return wlc_cm->bandstate[wlc->band->bandunit].locale_flags;
664 }
665
666 uint8 wlc_channel_locale_flags_in_band(wlc_cm_info_t * wlc_cm, uint bandunit)
667 {
668 return wlc_cm->bandstate[bandunit].locale_flags;
669 }
670
671 /* return chanvec for a given country code and band */
672 bool
673 wlc_channel_get_chanvec(struct wlc_info * wlc, const char *country_abbrev,
674 int bandtype, chanvec_t * channels)
675 {
676 const country_info_t *country;
677 const locale_info_t *locale = NULL;
678
679 country = wlc_country_lookup(wlc, country_abbrev);
680 if (country == NULL)
681 return FALSE;
682
683 if (bandtype == WLC_BAND_2G)
684 locale = wlc_get_locale_2g(country->locale_2G);
685 else if (bandtype == WLC_BAND_5G)
686 locale = wlc_get_locale_5g(country->locale_5G);
687 if (locale == NULL)
688 return FALSE;
689
690 wlc_locale_get_channels(locale, channels);
691 return TRUE;
692 }
693
694 /* set the driver's current country and regulatory information using a country code
695 * as the source. Lookup built in country information found with the country code.
696 */
697 int wlc_set_countrycode(wlc_cm_info_t * wlc_cm, const char *ccode)
698 {
699 char country_abbrev[WLC_CNTRY_BUF_SZ];
700 strncpy(country_abbrev, ccode, WLC_CNTRY_BUF_SZ);
701 return wlc_set_countrycode_rev(wlc_cm, country_abbrev, ccode, -1);
702 }
703
704 int
705 wlc_set_countrycode_rev(wlc_cm_info_t * wlc_cm,
706 const char *country_abbrev,
707 const char *ccode, int regrev)
708 {
709 const country_info_t *country;
710 char mapped_ccode[WLC_CNTRY_BUF_SZ];
711 uint mapped_regrev;
712
713 WL_NONE(("%s: (country_abbrev \"%s\", ccode \"%s\", regrev %d) SPROM \"%s\"/%u\n", __func__, country_abbrev, ccode, regrev, 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
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 wlc_info_t *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 bzero(&prev_country_abbrev, 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 */
797 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
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 wlc_info_t *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
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 */
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 = ARRAYSIZE(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
898 wlc_channels_init(wlc_cm_info_t * wlc_cm, const country_info_t * country)
899 {
900 wlc_info_t *wlc = wlc_cm->wlc;
901 uint i, j;
902 wlcband_t *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 */
952 static void wlc_channels_commit(wlc_cm_info_t * wlc_cm)
953 {
954 wlc_info_t *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", wlc->pub->unit, __func__, wlc_cm->country_abbrev, NBANDS(wlc), wlc->bandlocked));
972 } else
973 if (mboolisset(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE))
974 {
975 /* country/locale with valid channel, clear the radio disable bit */
976 mboolclr(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
977 }
978
979 /* Now that the country abbreviation is set, if the radio supports 2G, then
980 * set channel 14 restrictions based on the new locale.
981 */
982 if (NBANDS(wlc) > 1 || BAND_2G(wlc->band->bandtype)) {
983 wlc_phy_chanspec_ch14_widefilter_set(wlc->band->pi,
984 wlc_japan(wlc) ? TRUE :
985 FALSE);
986 }
987
988 if (wlc->pub->up && chan != INVCHANNEL) {
989 wlc_channel_reg_limits(wlc_cm, wlc->chanspec, &txpwr);
990 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm,
991 &txpwr,
992 WLC_TXPWR_MAX);
993 wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec);
994 }
995 }
996
997 /* reset the quiet channels vector to the union of the restricted and radar channel sets */
998 void wlc_quiet_channels_reset(wlc_cm_info_t * wlc_cm)
999 {
1000 wlc_info_t *wlc = wlc_cm->wlc;
1001 uint i, j;
1002 wlcband_t *band;
1003 const chanvec_t *chanvec;
1004
1005 bzero(&wlc_cm->quiet_channels, sizeof(chanvec_t));
1006
1007 band = wlc->band;
1008 for (i = 0; i < NBANDS(wlc);
1009 i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
1010
1011 /* initialize quiet channels for restricted channels */
1012 chanvec = wlc_cm->bandstate[band->bandunit].restricted_channels;
1013 for (j = 0; j < sizeof(chanvec_t); j++)
1014 wlc_cm->quiet_channels.vec[j] |= chanvec->vec[j];
1015
1016 }
1017 }
1018
1019 bool wlc_quiet_chanspec(wlc_cm_info_t * wlc_cm, chanspec_t chspec)
1020 {
1021 return (N_ENAB(wlc_cm->wlc->pub) && CHSPEC_IS40(chspec) ?
1022 (isset
1023 (wlc_cm->quiet_channels.vec,
1024 LOWER_20_SB(CHSPEC_CHANNEL(chspec)))
1025 || isset(wlc_cm->quiet_channels.vec,
1026 UPPER_20_SB(CHSPEC_CHANNEL(chspec)))) : isset(wlc_cm->
1027 quiet_channels.
1028 vec,
1029 CHSPEC_CHANNEL
1030 (chspec)));
1031 }
1032
1033 /* Is the channel valid for the current locale? (but don't consider channels not
1034 * available due to bandlocking)
1035 */
1036 bool wlc_valid_channel20_db(wlc_cm_info_t * wlc_cm, uint val)
1037 {
1038 wlc_info_t *wlc = wlc_cm->wlc;
1039
1040 return (VALID_CHANNEL20(wlc, val) ||
1041 (!wlc->bandlocked
1042 && VALID_CHANNEL20_IN_BAND(wlc, OTHERBANDUNIT(wlc), val)));
1043 }
1044
1045 /* Is the channel valid for the current locale and specified band? */
1046 bool
1047 wlc_valid_channel20_in_band(wlc_cm_info_t * wlc_cm, uint bandunit, uint val)
1048 {
1049 return ((val < MAXCHANNEL)
1050 && isset(wlc_cm->bandstate[bandunit].valid_channels.vec, val));
1051 }
1052
1053 /* Is the channel valid for the current locale and current band? */
1054 bool wlc_valid_channel20(wlc_cm_info_t * wlc_cm, uint val)
1055 {
1056 wlc_info_t *wlc = wlc_cm->wlc;
1057
1058 return ((val < MAXCHANNEL) &&
1059 isset(wlc_cm->bandstate[wlc->band->bandunit].valid_channels.vec,
1060 val));
1061 }
1062
1063 /* Is the 40 MHz allowed for the current locale and specified band? */
1064 bool wlc_valid_40chanspec_in_band(wlc_cm_info_t * wlc_cm, uint bandunit)
1065 {
1066 wlc_info_t *wlc = wlc_cm->wlc;
1067
1068 return (((wlc_cm->bandstate[bandunit].
1069 locale_flags & (WLC_NO_MIMO | WLC_NO_40MHZ)) == 0)
1070 && wlc->bandstate[bandunit]->mimo_cap_40);
1071 }
1072
1073 static void
1074 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t * wlc_cm,
1075 struct txpwr_limits *txpwr,
1076 uint8
1077 local_constraint_qdbm)
1078 {
1079 int j;
1080
1081 /* CCK Rates */
1082 for (j = 0; j < WL_TX_POWER_CCK_NUM; j++) {
1083 txpwr->cck[j] = MIN(txpwr->cck[j], local_constraint_qdbm);
1084 }
1085
1086 /* 20 MHz Legacy OFDM SISO */
1087 for (j = 0; j < WL_TX_POWER_OFDM_NUM; j++) {
1088 txpwr->ofdm[j] = MIN(txpwr->ofdm[j], local_constraint_qdbm);
1089 }
1090
1091 /* 20 MHz Legacy OFDM CDD */
1092 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1093 txpwr->ofdm_cdd[j] =
1094 MIN(txpwr->ofdm_cdd[j], local_constraint_qdbm);
1095 }
1096
1097 /* 40 MHz Legacy OFDM SISO */
1098 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1099 txpwr->ofdm_40_siso[j] =
1100 MIN(txpwr->ofdm_40_siso[j], local_constraint_qdbm);
1101 }
1102
1103 /* 40 MHz Legacy OFDM CDD */
1104 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1105 txpwr->ofdm_40_cdd[j] =
1106 MIN(txpwr->ofdm_40_cdd[j], local_constraint_qdbm);
1107 }
1108
1109 /* 20MHz MCS 0-7 SISO */
1110 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1111 txpwr->mcs_20_siso[j] =
1112 MIN(txpwr->mcs_20_siso[j], local_constraint_qdbm);
1113 }
1114
1115 /* 20MHz MCS 0-7 CDD */
1116 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1117 txpwr->mcs_20_cdd[j] =
1118 MIN(txpwr->mcs_20_cdd[j], local_constraint_qdbm);
1119 }
1120
1121 /* 20MHz MCS 0-7 STBC */
1122 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1123 txpwr->mcs_20_stbc[j] =
1124 MIN(txpwr->mcs_20_stbc[j], local_constraint_qdbm);
1125 }
1126
1127 /* 20MHz MCS 8-15 MIMO */
1128 for (j = 0; j < WLC_NUM_RATES_MCS_2_STREAM; j++)
1129 txpwr->mcs_20_mimo[j] =
1130 MIN(txpwr->mcs_20_mimo[j], local_constraint_qdbm);
1131
1132 /* 40MHz MCS 0-7 SISO */
1133 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1134 txpwr->mcs_40_siso[j] =
1135 MIN(txpwr->mcs_40_siso[j], local_constraint_qdbm);
1136 }
1137
1138 /* 40MHz MCS 0-7 CDD */
1139 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1140 txpwr->mcs_40_cdd[j] =
1141 MIN(txpwr->mcs_40_cdd[j], local_constraint_qdbm);
1142 }
1143
1144 /* 40MHz MCS 0-7 STBC */
1145 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1146 txpwr->mcs_40_stbc[j] =
1147 MIN(txpwr->mcs_40_stbc[j], local_constraint_qdbm);
1148 }
1149
1150 /* 40MHz MCS 8-15 MIMO */
1151 for (j = 0; j < WLC_NUM_RATES_MCS_2_STREAM; j++)
1152 txpwr->mcs_40_mimo[j] =
1153 MIN(txpwr->mcs_40_mimo[j], local_constraint_qdbm);
1154
1155 /* 40MHz MCS 32 */
1156 txpwr->mcs32 = MIN(txpwr->mcs32, local_constraint_qdbm);
1157
1158 }
1159
1160 void
1161 wlc_channel_set_chanspec(wlc_cm_info_t * wlc_cm, chanspec_t chanspec,
1162 uint8 local_constraint_qdbm)
1163 {
1164 wlc_info_t *wlc = wlc_cm->wlc;
1165 struct txpwr_limits txpwr;
1166
1167 wlc_channel_reg_limits(wlc_cm, chanspec, &txpwr);
1168
1169 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm, &txpwr,
1170 local_constraint_qdbm);
1171
1172 wlc_bmac_set_chanspec(wlc->hw, chanspec,
1173 (wlc_quiet_chanspec(wlc_cm, chanspec) != 0),
1174 &txpwr);
1175 }
1176
1177 int
1178 wlc_channel_set_txpower_limit(wlc_cm_info_t * wlc_cm,
1179 uint8 local_constraint_qdbm)
1180 {
1181 wlc_info_t *wlc = wlc_cm->wlc;
1182 struct txpwr_limits txpwr;
1183
1184 wlc_channel_reg_limits(wlc_cm, wlc->chanspec, &txpwr);
1185
1186 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm, &txpwr,
1187 local_constraint_qdbm);
1188
1189 wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec);
1190
1191 return 0;
1192 }
1193
1194 #ifdef POWER_DBG
1195 static void wlc_phy_txpower_limits_dump(txpwr_limits_t * txpwr)
1196 {
1197 int i;
1198 char fraction[4][4] = { " ", ".25", ".5 ", ".75" };
1199
1200 printf("CCK ");
1201 for (i = 0; i < WLC_NUM_RATES_CCK; i++) {
1202 printf(" %2d%s", txpwr->cck[i] / WLC_TXPWR_DB_FACTOR,
1203 fraction[txpwr->cck[i] % WLC_TXPWR_DB_FACTOR]);
1204 }
1205 printf("\n");
1206
1207 printf("20 MHz OFDM SISO ");
1208 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1209 printf(" %2d%s", txpwr->ofdm[i] / WLC_TXPWR_DB_FACTOR,
1210 fraction[txpwr->ofdm[i] % WLC_TXPWR_DB_FACTOR]);
1211 }
1212 printf("\n");
1213
1214 printf("20 MHz OFDM CDD ");
1215 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1216 printf(" %2d%s", txpwr->ofdm_cdd[i] / WLC_TXPWR_DB_FACTOR,
1217 fraction[txpwr->ofdm_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1218 }
1219 printf("\n");
1220
1221 printf("40 MHz OFDM SISO ");
1222 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1223 printf(" %2d%s", txpwr->ofdm_40_siso[i] / WLC_TXPWR_DB_FACTOR,
1224 fraction[txpwr->ofdm_40_siso[i] % WLC_TXPWR_DB_FACTOR]);
1225 }
1226 printf("\n");
1227
1228 printf("40 MHz OFDM CDD ");
1229 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1230 printf(" %2d%s", txpwr->ofdm_40_cdd[i] / WLC_TXPWR_DB_FACTOR,
1231 fraction[txpwr->ofdm_40_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1232 }
1233 printf("\n");
1234
1235 printf("20 MHz MCS0-7 SISO ");
1236 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1237 printf(" %2d%s", txpwr->mcs_20_siso[i] / WLC_TXPWR_DB_FACTOR,
1238 fraction[txpwr->mcs_20_siso[i] % WLC_TXPWR_DB_FACTOR]);
1239 }
1240 printf("\n");
1241
1242 printf("20 MHz MCS0-7 CDD ");
1243 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1244 printf(" %2d%s", txpwr->mcs_20_cdd[i] / WLC_TXPWR_DB_FACTOR,
1245 fraction[txpwr->mcs_20_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1246 }
1247 printf("\n");
1248
1249 printf("20 MHz MCS0-7 STBC ");
1250 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1251 printf(" %2d%s", txpwr->mcs_20_stbc[i] / WLC_TXPWR_DB_FACTOR,
1252 fraction[txpwr->mcs_20_stbc[i] % WLC_TXPWR_DB_FACTOR]);
1253 }
1254 printf("\n");
1255
1256 printf("20 MHz MCS8-15 SDM ");
1257 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1258 printf(" %2d%s", txpwr->mcs_20_mimo[i] / WLC_TXPWR_DB_FACTOR,
1259 fraction[txpwr->mcs_20_mimo[i] % WLC_TXPWR_DB_FACTOR]);
1260 }
1261 printf("\n");
1262
1263 printf("40 MHz MCS0-7 SISO ");
1264 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1265 printf(" %2d%s", txpwr->mcs_40_siso[i] / WLC_TXPWR_DB_FACTOR,
1266 fraction[txpwr->mcs_40_siso[i] % WLC_TXPWR_DB_FACTOR]);
1267 }
1268 printf("\n");
1269
1270 printf("40 MHz MCS0-7 CDD ");
1271 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1272 printf(" %2d%s", txpwr->mcs_40_cdd[i] / WLC_TXPWR_DB_FACTOR,
1273 fraction[txpwr->mcs_40_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1274 }
1275 printf("\n");
1276
1277 printf("40 MHz MCS0-7 STBC ");
1278 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1279 printf(" %2d%s", txpwr->mcs_40_stbc[i] / WLC_TXPWR_DB_FACTOR,
1280 fraction[txpwr->mcs_40_stbc[i] % WLC_TXPWR_DB_FACTOR]);
1281 }
1282 printf("\n");
1283
1284 printf("40 MHz MCS8-15 SDM ");
1285 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1286 printf(" %2d%s", txpwr->mcs_40_mimo[i] / WLC_TXPWR_DB_FACTOR,
1287 fraction[txpwr->mcs_40_mimo[i] % WLC_TXPWR_DB_FACTOR]);
1288 }
1289 printf("\n");
1290
1291 printf("MCS32 %2d%s\n",
1292 txpwr->mcs32 / WLC_TXPWR_DB_FACTOR,
1293 fraction[txpwr->mcs32 % WLC_TXPWR_DB_FACTOR]);
1294 }
1295 #endif /* POWER_DBG */
1296
1297 void
1298 wlc_channel_reg_limits(wlc_cm_info_t * wlc_cm, chanspec_t chanspec,
1299 txpwr_limits_t * txpwr)
1300 {
1301 wlc_info_t *wlc = wlc_cm->wlc;
1302 uint i;
1303 uint chan;
1304 int maxpwr;
1305 int delta;
1306 const country_info_t *country;
1307 wlcband_t *band;
1308 const locale_info_t *li;
1309 int conducted_max;
1310 int conducted_ofdm_max;
1311 const locale_mimo_info_t *li_mimo;
1312 int maxpwr20, maxpwr40;
1313 int maxpwr_idx;
1314 uint j;
1315
1316 bzero(txpwr, sizeof(txpwr_limits_t));
1317
1318 if (!wlc_valid_chanspec_db(wlc_cm, chanspec)) {
1319 country = wlc_country_lookup(wlc, wlc->autocountry_default);
1320 if (country == NULL)
1321 return;
1322 } else {
1323 country = wlc_cm->country;
1324 }
1325
1326 chan = CHSPEC_CHANNEL(chanspec);
1327 band = wlc->bandstate[CHSPEC_WLCBANDUNIT(chanspec)];
1328 li = BAND_5G(band->bandtype) ?
1329 wlc_get_locale_5g(country->locale_5G) :
1330 wlc_get_locale_2g(country->locale_2G);
1331
1332 li_mimo = BAND_5G(band->bandtype) ?
1333 wlc_get_mimo_5g(country->locale_mimo_5G) :
1334 wlc_get_mimo_2g(country->locale_mimo_2G);
1335
1336 if (li->flags & WLC_EIRP) {
1337 delta = band->antgain;
1338 } else {
1339 delta = 0;
1340 if (band->antgain > QDB(6))
1341 delta = band->antgain - QDB(6); /* Excess over 6 dB */
1342 }
1343
1344 if (li == &locale_i) {
1345 conducted_max = QDB(22);
1346 conducted_ofdm_max = QDB(22);
1347 }
1348
1349 /* CCK txpwr limits for 2.4G band */
1350 if (BAND_2G(band->bandtype)) {
1351 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_CCK(chan)];
1352
1353 maxpwr = maxpwr - delta;
1354 maxpwr = MAX(maxpwr, 0);
1355 maxpwr = MIN(maxpwr, conducted_max);
1356
1357 for (i = 0; i < WLC_NUM_RATES_CCK; i++)
1358 txpwr->cck[i] = (uint8) maxpwr;
1359 }
1360
1361 /* OFDM txpwr limits for 2.4G or 5G bands */
1362 if (BAND_2G(band->bandtype)) {
1363 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_OFDM(chan)];
1364
1365 } else {
1366 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_5G(chan)];
1367 }
1368
1369 maxpwr = maxpwr - delta;
1370 maxpwr = MAX(maxpwr, 0);
1371 maxpwr = MIN(maxpwr, conducted_ofdm_max);
1372
1373 /* Keep OFDM lmit below CCK limit */
1374 if (BAND_2G(band->bandtype))
1375 maxpwr = MIN(maxpwr, txpwr->cck[0]);
1376
1377 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1378 txpwr->ofdm[i] = (uint8) maxpwr;
1379 }
1380
1381 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1382 /* OFDM 40 MHz SISO has the same power as the corresponding MCS0-7 rate unless
1383 * overriden by the locale specific code. We set this value to 0 as a
1384 * flag (presumably 0 dBm isn't a possibility) and then copy the MCS0-7 value
1385 * to the 40 MHz value if it wasn't explicitly set.
1386 */
1387 txpwr->ofdm_40_siso[i] = 0;
1388
1389 txpwr->ofdm_cdd[i] = (uint8) maxpwr;
1390
1391 txpwr->ofdm_40_cdd[i] = 0;
1392 }
1393
1394 /* MIMO/HT specific limits */
1395 if (li_mimo->flags & WLC_EIRP) {
1396 delta = band->antgain;
1397 } else {
1398 delta = 0;
1399 if (band->antgain > QDB(6))
1400 delta = band->antgain - QDB(6); /* Excess over 6 dB */
1401 }
1402
1403 if (BAND_2G(band->bandtype))
1404 maxpwr_idx = (chan - 1);
1405 else
1406 maxpwr_idx = CHANNEL_POWER_IDX_5G(chan);
1407
1408 maxpwr20 = li_mimo->maxpwr20[maxpwr_idx];
1409 maxpwr40 = li_mimo->maxpwr40[maxpwr_idx];
1410
1411 maxpwr20 = maxpwr20 - delta;
1412 maxpwr20 = MAX(maxpwr20, 0);
1413 maxpwr40 = maxpwr40 - delta;
1414 maxpwr40 = MAX(maxpwr40, 0);
1415
1416 /* Fill in the MCS 0-7 (SISO) rates */
1417 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1418
1419 /* 20 MHz has the same power as the corresponding OFDM rate unless
1420 * overriden by the locale specific code.
1421 */
1422 txpwr->mcs_20_siso[i] = txpwr->ofdm[i];
1423 txpwr->mcs_40_siso[i] = 0;
1424 }
1425
1426 /* Fill in the MCS 0-7 CDD rates */
1427 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1428 txpwr->mcs_20_cdd[i] = (uint8) maxpwr20;
1429 txpwr->mcs_40_cdd[i] = (uint8) maxpwr40;
1430 }
1431
1432 /* These locales have SISO expressed in the table and override CDD later */
1433 if (li_mimo == &locale_bn) {
1434 if (li_mimo == &locale_bn) {
1435 maxpwr20 = QDB(16);
1436 maxpwr40 = 0;
1437
1438 if (chan >= 3 && chan <= 11) {
1439 maxpwr40 = QDB(16);
1440 }
1441 }
1442
1443 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1444 txpwr->mcs_20_siso[i] = (uint8) maxpwr20;
1445 txpwr->mcs_40_siso[i] = (uint8) maxpwr40;
1446 }
1447 }
1448
1449 /* Fill in the MCS 0-7 STBC rates */
1450 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1451 txpwr->mcs_20_stbc[i] = 0;
1452 txpwr->mcs_40_stbc[i] = 0;
1453 }
1454
1455 /* Fill in the MCS 8-15 SDM rates */
1456 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1457 txpwr->mcs_20_mimo[i] = (uint8) maxpwr20;
1458 txpwr->mcs_40_mimo[i] = (uint8) maxpwr40;
1459 }
1460
1461 /* Fill in MCS32 */
1462 txpwr->mcs32 = (uint8) maxpwr40;
1463
1464 for (i = 0, j = 0; i < WLC_NUM_RATES_OFDM; i++, j++) {
1465 if (txpwr->ofdm_40_cdd[i] == 0)
1466 txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
1467 if (i == 0) {
1468 i = i + 1;
1469 if (txpwr->ofdm_40_cdd[i] == 0)
1470 txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
1471 }
1472 }
1473
1474 /* Copy the 40 MHZ MCS 0-7 CDD value to the 40 MHZ MCS 0-7 SISO value if it wasn't
1475 * provided explicitly.
1476 */
1477
1478 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1479 if (txpwr->mcs_40_siso[i] == 0)
1480 txpwr->mcs_40_siso[i] = txpwr->mcs_40_cdd[i];
1481 }
1482
1483 for (i = 0, j = 0; i < WLC_NUM_RATES_OFDM; i++, j++) {
1484 if (txpwr->ofdm_40_siso[i] == 0)
1485 txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
1486 if (i == 0) {
1487 i = i + 1;
1488 if (txpwr->ofdm_40_siso[i] == 0)
1489 txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
1490 }
1491 }
1492
1493 /* Copy the 20 and 40 MHz MCS0-7 CDD values to the corresponding STBC values if they weren't
1494 * provided explicitly.
1495 */
1496 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1497 if (txpwr->mcs_20_stbc[i] == 0)
1498 txpwr->mcs_20_stbc[i] = txpwr->mcs_20_cdd[i];
1499
1500 if (txpwr->mcs_40_stbc[i] == 0)
1501 txpwr->mcs_40_stbc[i] = txpwr->mcs_40_cdd[i];
1502 }
1503
1504 #ifdef POWER_DBG
1505 wlc_phy_txpower_limits_dump(txpwr);
1506 #endif
1507 return;
1508 }
1509
1510 /* Returns TRUE if currently set country is Japan or variant */
1511 bool wlc_japan(struct wlc_info * wlc)
1512 {
1513 return wlc_japan_ccode(wlc->cmi->country_abbrev);
1514 }
1515
1516 /* JP, J1 - J10 are Japan ccodes */
1517 static bool wlc_japan_ccode(const char *ccode)
1518 {
1519 return (ccode[0] == 'J' &&
1520 (ccode[1] == 'P' || (ccode[1] >= '1' && ccode[1] <= '9')));
1521 }
1522
1523 /*
1524 * Validate the chanspec for this locale, for 40MHZ we need to also check that the sidebands
1525 * are valid 20MZH channels in this locale and they are also a legal HT combination
1526 */
1527 static bool
1528 wlc_valid_chanspec_ext(wlc_cm_info_t * wlc_cm, chanspec_t chspec, bool dualband)
1529 {
1530 wlc_info_t *wlc = wlc_cm->wlc;
1531 uint8 channel = CHSPEC_CHANNEL(chspec);
1532
1533 /* check the chanspec */
1534 if (wf_chspec_malformed(chspec)) {
1535 WL_ERROR(("wl%d: malformed chanspec 0x%x\n", wlc->pub->unit,
1536 chspec));
1537 ASSERT(0);
1538 return FALSE;
1539 }
1540
1541 if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) !=
1542 CHSPEC_WLCBANDUNIT(chspec))
1543 return FALSE;
1544
1545 /* Check a 20Mhz channel */
1546 if (CHSPEC_IS20(chspec)) {
1547 if (dualband)
1548 return (VALID_CHANNEL20_DB(wlc_cm->wlc, channel));
1549 else
1550 return (VALID_CHANNEL20(wlc_cm->wlc, channel));
1551 }
1552 #ifdef SUPPORT_40MHZ
1553 /* We know we are now checking a 40MHZ channel, so we should only be here
1554 * for NPHYS
1555 */
1556 if (WLCISNPHY(wlc->band) || WLCISSSLPNPHY(wlc->band)) {
1557 uint8 upper_sideband = 0, idx;
1558 uint8 num_ch20_entries =
1559 sizeof(chan20_info) / sizeof(struct chan20_info);
1560
1561 if (!VALID_40CHANSPEC_IN_BAND(wlc, CHSPEC_WLCBANDUNIT(chspec)))
1562 return FALSE;
1563
1564 if (dualband) {
1565 if (!VALID_CHANNEL20_DB(wlc, LOWER_20_SB(channel)) ||
1566 !VALID_CHANNEL20_DB(wlc, UPPER_20_SB(channel)))
1567 return FALSE;
1568 } else {
1569 if (!VALID_CHANNEL20(wlc, LOWER_20_SB(channel)) ||
1570 !VALID_CHANNEL20(wlc, UPPER_20_SB(channel)))
1571 return FALSE;
1572 }
1573
1574 /* find the lower sideband info in the sideband array */
1575 for (idx = 0; idx < num_ch20_entries; idx++) {
1576 if (chan20_info[idx].sb == LOWER_20_SB(channel))
1577 upper_sideband = chan20_info[idx].adj_sbs;
1578 }
1579 /* check that the lower sideband allows an upper sideband */
1580 if ((upper_sideband & (CH_UPPER_SB | CH_EWA_VALID)) ==
1581 (CH_UPPER_SB | CH_EWA_VALID))
1582 return TRUE;
1583 return FALSE;
1584 }
1585 #endif /* 40 MHZ */
1586
1587 return FALSE;
1588 }
1589
1590 bool wlc_valid_chanspec(wlc_cm_info_t * wlc_cm, chanspec_t chspec)
1591 {
1592 return wlc_valid_chanspec_ext(wlc_cm, chspec, FALSE);
1593 }
1594
1595 bool wlc_valid_chanspec_db(wlc_cm_info_t * wlc_cm, chanspec_t chspec)
1596 {
1597 return wlc_valid_chanspec_ext(wlc_cm, chspec, TRUE);
1598 }
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