2 * Copyright (c) 2010 Broadcom Corporation
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.
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.
17 #include <linux/kernel.h>
18 #include <linux/string.h>
28 #include <wlc_mac80211.h>
31 #include <wlc_channel.h>
33 typedef struct wlc_cm_band {
34 u8 locale_flags; /* locale_info_t flags */
35 chanvec_t valid_channels; /* List of valid channels in the country */
36 const chanvec_t *restricted_channels; /* List of restricted use channels */
37 const chanvec_t *radar_channels; /* List of radar sensitive channels */
44 char srom_ccode[WLC_CNTRY_BUF_SZ]; /* Country Code in SROM */
45 uint srom_regrev; /* Regulatory Rev for the SROM ccode */
46 const country_info_t *country; /* current country def */
47 char ccode[WLC_CNTRY_BUF_SZ]; /* current internal Country Code */
48 uint regrev; /* current Regulatory Revision */
49 char country_abbrev[WLC_CNTRY_BUF_SZ]; /* current advertised ccode */
50 wlc_cm_band_t bandstate[MAXBANDS]; /* per-band state (one per phy/radio) */
51 /* quiet channels currently for radar sensitivity or 11h support */
52 chanvec_t quiet_channels; /* channels on which we cannot transmit */
55 static int wlc_channels_init(wlc_cm_info_t *wlc_cm,
56 const country_info_t *country);
57 static void wlc_set_country_common(wlc_cm_info_t *wlc_cm,
58 const char *country_abbrev,
59 const char *ccode, uint regrev,
60 const country_info_t *country);
61 static int wlc_country_aggregate_map(wlc_cm_info_t *wlc_cm, const char *ccode,
62 char *mapped_ccode, uint *mapped_regrev);
63 static const country_info_t *wlc_country_lookup_direct(const char *ccode,
65 static const country_info_t *wlc_countrycode_map(wlc_cm_info_t *wlc_cm,
69 static void wlc_channels_commit(wlc_cm_info_t *wlc_cm);
70 static bool wlc_japan_ccode(const char *ccode);
71 static void wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t *
77 local_constraint_qdbm);
78 void wlc_locale_add_channels(chanvec_t *target, const chanvec_t *channels);
79 static const locale_mimo_info_t *wlc_get_mimo_2g(u8 locale_idx);
80 static const locale_mimo_info_t *wlc_get_mimo_5g(u8 locale_idx);
82 /* QDB() macro takes a dB value and converts to a quarter dB value */
86 #define QDB(n) ((n) * WLC_TXPWR_DB_FACTOR)
88 /* Regulatory Matrix Spreadsheet (CLM) MIMO v3.7.9 */
91 * Some common channel sets
95 static const chanvec_t chanvec_none = {
96 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
97 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
98 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
99 0x00, 0x00, 0x00, 0x00}
102 /* All 2.4 GHz HW channels */
103 const chanvec_t chanvec_all_2G = {
104 {0xfe, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
105 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
106 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
107 0x00, 0x00, 0x00, 0x00}
110 /* All 5 GHz HW channels */
111 const chanvec_t chanvec_all_5G = {
112 {0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x11, 0x11,
113 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11,
114 0x11, 0x11, 0x20, 0x22, 0x22, 0x00, 0x00, 0x11,
115 0x11, 0x11, 0x11, 0x01}
123 #define radar_set_none chanvec_none
125 static const chanvec_t radar_set1 = { /* Channels 52 - 64, 100 - 140 */
126 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, /* 52 - 60 */
127 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11, /* 64, 100 - 124 */
128 0x11, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 128 - 140 */
129 0x00, 0x00, 0x00, 0x00}
133 * Restricted channel sets
136 #define restricted_set_none chanvec_none
138 /* Channels 34, 38, 42, 46 */
139 static const chanvec_t restricted_set_japan_legacy = {
140 {0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
141 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
142 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
143 0x00, 0x00, 0x00, 0x00}
146 /* Channels 12, 13 */
147 static const chanvec_t restricted_set_2g_short = {
148 {0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
149 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
150 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
151 0x00, 0x00, 0x00, 0x00}
155 static const chanvec_t restricted_chan_165 = {
156 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
157 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
158 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
159 0x00, 0x00, 0x00, 0x00}
162 /* Channels 36 - 48 & 149 - 165 */
163 static const chanvec_t restricted_low_hi = {
164 {0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
165 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
166 0x00, 0x00, 0x20, 0x22, 0x22, 0x00, 0x00, 0x00,
167 0x00, 0x00, 0x00, 0x00}
170 /* Channels 12 - 14 */
171 static const chanvec_t restricted_set_12_13_14 = {
172 {0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
173 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
174 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
175 0x00, 0x00, 0x00, 0x00}
178 #define LOCALE_CHAN_01_11 (1<<0)
179 #define LOCALE_CHAN_12_13 (1<<1)
180 #define LOCALE_CHAN_14 (1<<2)
181 #define LOCALE_SET_5G_LOW_JP1 (1<<3) /* 34-48, step 2 */
182 #define LOCALE_SET_5G_LOW_JP2 (1<<4) /* 34-46, step 4 */
183 #define LOCALE_SET_5G_LOW1 (1<<5) /* 36-48, step 4 */
184 #define LOCALE_SET_5G_LOW2 (1<<6) /* 52 */
185 #define LOCALE_SET_5G_LOW3 (1<<7) /* 56-64, step 4 */
186 #define LOCALE_SET_5G_MID1 (1<<8) /* 100-116, step 4 */
187 #define LOCALE_SET_5G_MID2 (1<<9) /* 120-124, step 4 */
188 #define LOCALE_SET_5G_MID3 (1<<10) /* 128 */
189 #define LOCALE_SET_5G_HIGH1 (1<<11) /* 132-140, step 4 */
190 #define LOCALE_SET_5G_HIGH2 (1<<12) /* 149-161, step 4 */
191 #define LOCALE_SET_5G_HIGH3 (1<<13) /* 165 */
192 #define LOCALE_CHAN_52_140_ALL (1<<14)
193 #define LOCALE_SET_5G_HIGH4 (1<<15) /* 184-216 */
195 #define LOCALE_CHAN_36_64 (LOCALE_SET_5G_LOW1 | LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3)
196 #define LOCALE_CHAN_52_64 (LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3)
197 #define LOCALE_CHAN_100_124 (LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2)
198 #define LOCALE_CHAN_100_140 \
199 (LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2 | LOCALE_SET_5G_MID3 | LOCALE_SET_5G_HIGH1)
200 #define LOCALE_CHAN_149_165 (LOCALE_SET_5G_HIGH2 | LOCALE_SET_5G_HIGH3)
201 #define LOCALE_CHAN_184_216 LOCALE_SET_5G_HIGH4
203 #define LOCALE_CHAN_01_14 (LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13 | LOCALE_CHAN_14)
205 #define LOCALE_RADAR_SET_NONE 0
206 #define LOCALE_RADAR_SET_1 1
208 #define LOCALE_RESTRICTED_NONE 0
209 #define LOCALE_RESTRICTED_SET_2G_SHORT 1
210 #define LOCALE_RESTRICTED_CHAN_165 2
211 #define LOCALE_CHAN_ALL_5G 3
212 #define LOCALE_RESTRICTED_JAPAN_LEGACY 4
213 #define LOCALE_RESTRICTED_11D_2G 5
214 #define LOCALE_RESTRICTED_11D_5G 6
215 #define LOCALE_RESTRICTED_LOW_HI 7
216 #define LOCALE_RESTRICTED_12_13_14 8
218 /* global memory to provide working buffer for expanded locale */
220 static const chanvec_t *g_table_radar_set[] = {
225 static const chanvec_t *g_table_restricted_chan[] = {
226 &chanvec_none, /* restricted_set_none */
227 &restricted_set_2g_short,
228 &restricted_chan_165,
230 &restricted_set_japan_legacy,
231 &chanvec_all_2G, /* restricted_set_11d_2G */
232 &chanvec_all_5G, /* restricted_set_11d_5G */
234 &restricted_set_12_13_14
237 static const chanvec_t locale_2g_01_11 = {
238 {0xfe, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
239 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
240 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
241 0x00, 0x00, 0x00, 0x00}
244 static const chanvec_t locale_2g_12_13 = {
245 {0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
246 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
247 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
248 0x00, 0x00, 0x00, 0x00}
251 static const chanvec_t locale_2g_14 = {
252 {0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
253 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
254 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
255 0x00, 0x00, 0x00, 0x00}
258 static const chanvec_t locale_5g_LOW_JP1 = {
259 {0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x01, 0x00,
260 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
261 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
262 0x00, 0x00, 0x00, 0x00}
265 static const chanvec_t locale_5g_LOW_JP2 = {
266 {0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
267 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
268 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
269 0x00, 0x00, 0x00, 0x00}
272 static const chanvec_t locale_5g_LOW1 = {
273 {0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
274 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
275 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
276 0x00, 0x00, 0x00, 0x00}
279 static const chanvec_t locale_5g_LOW2 = {
280 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
281 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
282 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
283 0x00, 0x00, 0x00, 0x00}
286 static const chanvec_t locale_5g_LOW3 = {
287 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
288 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
289 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
290 0x00, 0x00, 0x00, 0x00}
293 static const chanvec_t locale_5g_MID1 = {
294 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
295 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x00,
296 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
297 0x00, 0x00, 0x00, 0x00}
300 static const chanvec_t locale_5g_MID2 = {
301 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
302 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
303 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
304 0x00, 0x00, 0x00, 0x00}
307 static const chanvec_t locale_5g_MID3 = {
308 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
309 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
310 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
311 0x00, 0x00, 0x00, 0x00}
314 static const chanvec_t locale_5g_HIGH1 = {
315 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
316 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
317 0x10, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
318 0x00, 0x00, 0x00, 0x00}
321 static const chanvec_t locale_5g_HIGH2 = {
322 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
323 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
324 0x00, 0x00, 0x20, 0x22, 0x02, 0x00, 0x00, 0x00,
325 0x00, 0x00, 0x00, 0x00}
328 static const chanvec_t locale_5g_HIGH3 = {
329 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
330 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
331 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
332 0x00, 0x00, 0x00, 0x00}
335 static const chanvec_t locale_5g_52_140_ALL = {
336 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11,
337 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
338 0x11, 0x11, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
339 0x00, 0x00, 0x00, 0x00}
342 static const chanvec_t locale_5g_HIGH4 = {
343 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
344 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
345 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
346 0x11, 0x11, 0x11, 0x11}
349 static const chanvec_t *g_table_locale_base[] = {
364 &locale_5g_52_140_ALL,
368 void wlc_locale_add_channels(chanvec_t *target, const chanvec_t *channels)
371 for (i = 0; i < sizeof(chanvec_t); i++) {
372 target->vec[i] |= channels->vec[i];
376 void wlc_locale_get_channels(const locale_info_t *locale, chanvec_t *channels)
380 bzero(channels, sizeof(chanvec_t));
382 for (i = 0; i < ARRAY_SIZE(g_table_locale_base); i++) {
383 if (locale->valid_channels & (1 << i)) {
384 wlc_locale_add_channels(channels,
385 g_table_locale_base[i]);
391 * Locale Definitions - 2.4 GHz
393 static const locale_info_t locale_i = { /* locale i. channel 1 - 13 */
394 LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13,
395 LOCALE_RADAR_SET_NONE,
396 LOCALE_RESTRICTED_SET_2G_SHORT,
397 {QDB(19), QDB(19), QDB(19),
398 QDB(19), QDB(19), QDB(19)},
404 * Locale Definitions - 5 GHz
406 static const locale_info_t locale_11 = {
407 /* locale 11. channel 36 - 48, 52 - 64, 100 - 140, 149 - 165 */
408 LOCALE_CHAN_36_64 | LOCALE_CHAN_100_140 | LOCALE_CHAN_149_165,
410 LOCALE_RESTRICTED_NONE,
411 {QDB(21), QDB(21), QDB(21), QDB(21), QDB(21)},
412 {23, 23, 23, 30, 30},
413 WLC_EIRP | WLC_DFS_EU
416 #define LOCALE_2G_IDX_i 0
417 static const locale_info_t *g_locale_2g_table[] = {
421 #define LOCALE_5G_IDX_11 0
422 static const locale_info_t *g_locale_5g_table[] = {
427 * MIMO Locale Definitions - 2.4 GHz
429 static const locale_mimo_info_t locale_bn = {
430 {QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
431 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
432 QDB(13), QDB(13), QDB(13)},
433 {0, 0, QDB(13), QDB(13), QDB(13),
434 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
439 /* locale mimo 2g indexes */
440 #define LOCALE_MIMO_IDX_bn 0
442 static const locale_mimo_info_t *g_mimo_2g_table[] = {
447 * MIMO Locale Definitions - 5 GHz
449 static const locale_mimo_info_t locale_11n = {
450 { /* 12.5 dBm */ 50, 50, 50, QDB(15), QDB(15)},
451 {QDB(14), QDB(15), QDB(15), QDB(15), QDB(15)},
455 #define LOCALE_MIMO_IDX_11n 0
456 static const locale_mimo_info_t *g_mimo_5g_table[] = {
463 #define LC(id) LOCALE_MIMO_IDX_ ## id
468 #define LC_2G(id) LOCALE_2G_IDX_ ## id
473 #define LC_5G(id) LOCALE_5G_IDX_ ## id
475 #define LOCALES(band2, band5, mimo2, mimo5) {LC_2G(band2), LC_5G(band5), LC(mimo2), LC(mimo5)}
477 static const struct {
478 char abbrev[WLC_CNTRY_BUF_SZ]; /* country abbreviation */
479 country_info_t country;
480 } cntry_locales[] = {
482 "X2", LOCALES(i, 11, bn, 11n)}, /* Worldwide RoW 2 */
486 /* 20MHz channel info for 40MHz pairing support */
492 /* indicates adjacent channels that are allowed for a 40 Mhz channel and
493 * those that permitted by the HT
495 struct chan20_info chan20_info[] = {
497 /* 0 */ {1, (CH_UPPER_SB | CH_EWA_VALID)},
498 /* 1 */ {2, (CH_UPPER_SB | CH_EWA_VALID)},
499 /* 2 */ {3, (CH_UPPER_SB | CH_EWA_VALID)},
500 /* 3 */ {4, (CH_UPPER_SB | CH_EWA_VALID)},
501 /* 4 */ {5, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
502 /* 5 */ {6, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
503 /* 6 */ {7, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
504 /* 7 */ {8, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
505 /* 8 */ {9, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
506 /* 9 */ {10, (CH_LOWER_SB | CH_EWA_VALID)},
507 /* 10 */ {11, (CH_LOWER_SB | CH_EWA_VALID)},
508 /* 11 */ {12, (CH_LOWER_SB)},
509 /* 12 */ {13, (CH_LOWER_SB)},
510 /* 13 */ {14, (CH_LOWER_SB)},
513 /* 14 */ {34, (CH_UPPER_SB)},
514 /* 15 */ {38, (CH_LOWER_SB)},
515 /* 16 */ {42, (CH_LOWER_SB)},
516 /* 17 */ {46, (CH_LOWER_SB)},
519 /* 18 */ {36, (CH_UPPER_SB | CH_EWA_VALID)},
520 /* 19 */ {40, (CH_LOWER_SB | CH_EWA_VALID)},
521 /* 20 */ {44, (CH_UPPER_SB | CH_EWA_VALID)},
522 /* 21 */ {48, (CH_LOWER_SB | CH_EWA_VALID)},
523 /* 22 */ {52, (CH_UPPER_SB | CH_EWA_VALID)},
524 /* 23 */ {56, (CH_LOWER_SB | CH_EWA_VALID)},
525 /* 24 */ {60, (CH_UPPER_SB | CH_EWA_VALID)},
526 /* 25 */ {64, (CH_LOWER_SB | CH_EWA_VALID)},
529 /* 26 */ {100, (CH_UPPER_SB | CH_EWA_VALID)},
530 /* 27 */ {104, (CH_LOWER_SB | CH_EWA_VALID)},
531 /* 28 */ {108, (CH_UPPER_SB | CH_EWA_VALID)},
532 /* 29 */ {112, (CH_LOWER_SB | CH_EWA_VALID)},
533 /* 30 */ {116, (CH_UPPER_SB | CH_EWA_VALID)},
534 /* 31 */ {120, (CH_LOWER_SB | CH_EWA_VALID)},
535 /* 32 */ {124, (CH_UPPER_SB | CH_EWA_VALID)},
536 /* 33 */ {128, (CH_LOWER_SB | CH_EWA_VALID)},
537 /* 34 */ {132, (CH_UPPER_SB | CH_EWA_VALID)},
538 /* 35 */ {136, (CH_LOWER_SB | CH_EWA_VALID)},
539 /* 36 */ {140, (CH_LOWER_SB)},
541 /* 11a usa high, ref5 only */
542 /* The 0x80 bit in pdiv means these are REF5, other entries are REF20 */
543 /* 37 */ {149, (CH_UPPER_SB | CH_EWA_VALID)},
544 /* 38 */ {153, (CH_LOWER_SB | CH_EWA_VALID)},
545 /* 39 */ {157, (CH_UPPER_SB | CH_EWA_VALID)},
546 /* 40 */ {161, (CH_LOWER_SB | CH_EWA_VALID)},
547 /* 41 */ {165, (CH_LOWER_SB)},
550 /* 42 */ {184, (CH_UPPER_SB)},
551 /* 43 */ {188, (CH_LOWER_SB)},
552 /* 44 */ {192, (CH_UPPER_SB)},
553 /* 45 */ {196, (CH_LOWER_SB)},
554 /* 46 */ {200, (CH_UPPER_SB)},
555 /* 47 */ {204, (CH_LOWER_SB)},
556 /* 48 */ {208, (CH_UPPER_SB)},
557 /* 49 */ {212, (CH_LOWER_SB)},
558 /* 50 */ {216, (CH_LOWER_SB)}
560 #endif /* SUPPORT_40MHZ */
562 const locale_info_t *wlc_get_locale_2g(u8 locale_idx)
564 if (locale_idx >= ARRAY_SIZE(g_locale_2g_table)) {
565 WL_ERROR(("%s: locale 2g index size out of range %d\n",
566 __func__, locale_idx));
567 ASSERT(locale_idx < ARRAY_SIZE(g_locale_2g_table));
570 return g_locale_2g_table[locale_idx];
573 const locale_info_t *wlc_get_locale_5g(u8 locale_idx)
575 if (locale_idx >= ARRAY_SIZE(g_locale_5g_table)) {
576 WL_ERROR(("%s: locale 5g index size out of range %d\n",
577 __func__, locale_idx));
578 ASSERT(locale_idx < ARRAY_SIZE(g_locale_5g_table));
581 return g_locale_5g_table[locale_idx];
584 const locale_mimo_info_t *wlc_get_mimo_2g(u8 locale_idx)
586 if (locale_idx >= ARRAY_SIZE(g_mimo_2g_table)) {
587 WL_ERROR(("%s: mimo 2g index size out of range %d\n", __func__,
591 return g_mimo_2g_table[locale_idx];
594 const locale_mimo_info_t *wlc_get_mimo_5g(u8 locale_idx)
596 if (locale_idx >= ARRAY_SIZE(g_mimo_5g_table)) {
597 WL_ERROR(("%s: mimo 5g index size out of range %d\n", __func__,
601 return g_mimo_5g_table[locale_idx];
604 wlc_cm_info_t *wlc_channel_mgr_attach(wlc_info_t *wlc)
606 wlc_cm_info_t *wlc_cm;
607 char country_abbrev[WLC_CNTRY_BUF_SZ];
608 const country_info_t *country;
609 wlc_pub_t *pub = wlc->pub;
612 WL_TRACE(("wl%d: wlc_channel_mgr_attach\n", wlc->pub->unit));
614 wlc_cm = kzalloc(sizeof(wlc_cm_info_t), GFP_ATOMIC);
615 if (wlc_cm == NULL) {
616 WL_ERROR(("wl%d: %s: out of memory", pub->unit, __func__));
623 /* store the country code for passing up as a regulatory hint */
624 ccode = getvar(wlc->pub->vars, "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]));
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);
636 ASSERT(country != NULL);
638 /* save default country for exiting 11d regulatory mode */
639 strncpy(wlc->country_default, country_abbrev, WLC_CNTRY_BUF_SZ - 1);
641 /* initialize autocountry_default to driver default */
642 strncpy(wlc->autocountry_default, "X2", WLC_CNTRY_BUF_SZ - 1);
644 wlc_set_countrycode(wlc_cm, country_abbrev);
649 void wlc_channel_mgr_detach(wlc_cm_info_t *wlc_cm)
655 const char *wlc_channel_country_abbrev(wlc_cm_info_t *wlc_cm)
657 return wlc_cm->country_abbrev;
660 u8 wlc_channel_locale_flags(wlc_cm_info_t *wlc_cm)
662 wlc_info_t *wlc = wlc_cm->wlc;
664 return wlc_cm->bandstate[wlc->band->bandunit].locale_flags;
667 u8 wlc_channel_locale_flags_in_band(wlc_cm_info_t *wlc_cm, uint bandunit)
669 return wlc_cm->bandstate[bandunit].locale_flags;
672 /* return chanvec for a given country code and band */
674 wlc_channel_get_chanvec(struct wlc_info *wlc, const char *country_abbrev,
675 int bandtype, chanvec_t *channels)
677 const country_info_t *country;
678 const locale_info_t *locale = NULL;
680 country = wlc_country_lookup(wlc, country_abbrev);
684 if (bandtype == WLC_BAND_2G)
685 locale = wlc_get_locale_2g(country->locale_2G);
686 else if (bandtype == WLC_BAND_5G)
687 locale = wlc_get_locale_5g(country->locale_5G);
691 wlc_locale_get_channels(locale, channels);
695 /* set the driver's current country and regulatory information using a country code
696 * as the source. Lookup built in country information found with the country code.
698 int wlc_set_countrycode(wlc_cm_info_t *wlc_cm, const char *ccode)
700 char country_abbrev[WLC_CNTRY_BUF_SZ];
701 strncpy(country_abbrev, ccode, WLC_CNTRY_BUF_SZ);
702 return wlc_set_countrycode_rev(wlc_cm, country_abbrev, ccode, -1);
706 wlc_set_countrycode_rev(wlc_cm_info_t *wlc_cm,
707 const char *country_abbrev,
708 const char *ccode, int regrev)
710 const country_info_t *country;
711 char mapped_ccode[WLC_CNTRY_BUF_SZ];
714 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));
716 /* if regrev is -1, lookup the mapped country code,
717 * otherwise use the ccode and regrev directly
720 /* map the country code to a built-in country code, regrev, and country_info */
722 wlc_countrycode_map(wlc_cm, ccode, mapped_ccode,
725 /* find the matching built-in country definition */
727 country = wlc_country_lookup_direct(ccode, regrev);
728 strncpy(mapped_ccode, ccode, WLC_CNTRY_BUF_SZ);
729 mapped_regrev = regrev;
735 /* set the driver state for the country */
736 wlc_set_country_common(wlc_cm, country_abbrev, mapped_ccode,
737 mapped_regrev, country);
742 /* set the driver's current country and regulatory information using a country code
743 * as the source. Look up built in country information found with the country code.
746 wlc_set_country_common(wlc_cm_info_t *wlc_cm,
747 const char *country_abbrev,
748 const char *ccode, uint regrev,
749 const country_info_t *country)
751 const locale_mimo_info_t *li_mimo;
752 const locale_info_t *locale;
753 wlc_info_t *wlc = wlc_cm->wlc;
754 char prev_country_abbrev[WLC_CNTRY_BUF_SZ];
756 ASSERT(country != NULL);
758 /* save current country state */
759 wlc_cm->country = country;
761 bzero(&prev_country_abbrev, WLC_CNTRY_BUF_SZ);
762 strncpy(prev_country_abbrev, wlc_cm->country_abbrev,
763 WLC_CNTRY_BUF_SZ - 1);
765 strncpy(wlc_cm->country_abbrev, country_abbrev, WLC_CNTRY_BUF_SZ - 1);
766 strncpy(wlc_cm->ccode, ccode, WLC_CNTRY_BUF_SZ - 1);
767 wlc_cm->regrev = regrev;
769 /* disable/restore nmode based on country regulations */
770 li_mimo = wlc_get_mimo_2g(country->locale_mimo_2G);
771 if (li_mimo && (li_mimo->flags & WLC_NO_MIMO)) {
772 wlc_set_nmode(wlc, OFF);
773 wlc->stf->no_cddstbc = true;
775 wlc->stf->no_cddstbc = false;
776 if (N_ENAB(wlc->pub) != wlc->protection->nmode_user)
777 wlc_set_nmode(wlc, wlc->protection->nmode_user);
780 wlc_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]);
781 wlc_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]);
782 /* set or restore gmode as required by regulatory */
783 locale = wlc_get_locale_2g(country->locale_2G);
784 if (locale && (locale->flags & WLC_NO_OFDM)) {
785 wlc_set_gmode(wlc, GMODE_LEGACY_B, false);
787 wlc_set_gmode(wlc, wlc->protection->gmode_user, false);
790 wlc_channels_init(wlc_cm, country);
795 /* Lookup a country info structure from a null terminated country code
796 * The lookup is case sensitive.
798 const country_info_t *wlc_country_lookup(struct wlc_info *wlc,
801 const country_info_t *country;
802 char mapped_ccode[WLC_CNTRY_BUF_SZ];
805 /* map the country code to a built-in country code, regrev, and country_info struct */
807 wlc_countrycode_map(wlc->cmi, ccode, mapped_ccode, &mapped_regrev);
812 static const country_info_t *wlc_countrycode_map(wlc_cm_info_t *wlc_cm,
817 wlc_info_t *wlc = wlc_cm->wlc;
818 const country_info_t *country;
819 uint srom_regrev = wlc_cm->srom_regrev;
820 const char *srom_ccode = wlc_cm->srom_ccode;
823 /* check for currently supported ccode size */
824 if (strlen(ccode) > (WLC_CNTRY_BUF_SZ - 1)) {
825 WL_ERROR(("wl%d: %s: ccode \"%s\" too long for match\n",
826 wlc->pub->unit, __func__, ccode));
830 /* default mapping is the given ccode and regrev 0 */
831 strncpy(mapped_ccode, ccode, WLC_CNTRY_BUF_SZ);
834 /* If the desired country code matches the srom country code,
835 * then the mapped country is the srom regulatory rev.
836 * Otherwise look for an aggregate mapping.
838 if (!strcmp(srom_ccode, ccode)) {
839 *mapped_regrev = srom_regrev;
841 WL_ERROR(("srom_code == ccode %s\n", __func__));
845 wlc_country_aggregate_map(wlc_cm, ccode, mapped_ccode,
849 /* find the matching built-in country definition */
850 country = wlc_country_lookup_direct(mapped_ccode, *mapped_regrev);
852 /* if there is not an exact rev match, default to rev zero */
853 if (country == NULL && *mapped_regrev != 0) {
857 wlc_country_lookup_direct(mapped_ccode, *mapped_regrev);
864 wlc_country_aggregate_map(wlc_cm_info_t *wlc_cm, const char *ccode,
865 char *mapped_ccode, uint *mapped_regrev)
870 /* Lookup a country info structure from a null terminated country
871 * abbreviation and regrev directly with no translation.
873 static const country_info_t *wlc_country_lookup_direct(const char *ccode,
878 /* Should just return 0 for single locale driver. */
879 /* Keep it this way in case we add more locales. (for now anyway) */
881 /* all other country def arrays are for regrev == 0, so if regrev is non-zero, fail */
885 /* find matched table entry from country code */
886 size = ARRAY_SIZE(cntry_locales);
887 for (i = 0; i < size; i++) {
888 if (strcmp(ccode, cntry_locales[i].abbrev) == 0) {
889 return &cntry_locales[i].country;
893 WL_ERROR(("%s: Returning NULL\n", __func__));
899 wlc_channels_init(wlc_cm_info_t *wlc_cm, const country_info_t *country)
901 wlc_info_t *wlc = wlc_cm->wlc;
904 const locale_info_t *li;
906 const locale_mimo_info_t *li_mimo;
909 for (i = 0; i < NBANDS(wlc);
910 i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
912 li = BAND_5G(band->bandtype) ?
913 wlc_get_locale_5g(country->locale_5G) :
914 wlc_get_locale_2g(country->locale_2G);
916 wlc_cm->bandstate[band->bandunit].locale_flags = li->flags;
917 li_mimo = BAND_5G(band->bandtype) ?
918 wlc_get_mimo_5g(country->locale_mimo_5G) :
919 wlc_get_mimo_2g(country->locale_mimo_2G);
922 /* merge the mimo non-mimo locale flags */
923 wlc_cm->bandstate[band->bandunit].locale_flags |=
926 wlc_cm->bandstate[band->bandunit].restricted_channels =
927 g_table_restricted_chan[li->restricted_channels];
928 wlc_cm->bandstate[band->bandunit].radar_channels =
929 g_table_radar_set[li->radar_channels];
931 /* set the channel availability,
932 * masking out the channels that may not be supported on this phy
934 wlc_phy_chanspec_band_validch(band->pi, band->bandtype,
936 wlc_locale_get_channels(li,
937 &wlc_cm->bandstate[band->bandunit].
939 for (j = 0; j < sizeof(chanvec_t); j++)
940 wlc_cm->bandstate[band->bandunit].valid_channels.
941 vec[j] &= sup_chan.vec[j];
944 wlc_quiet_channels_reset(wlc_cm);
945 wlc_channels_commit(wlc_cm);
950 /* Update the radio state (enable/disable) and tx power targets
951 * based on a new set of channel/regulatory information
953 static void wlc_channels_commit(wlc_cm_info_t *wlc_cm)
955 wlc_info_t *wlc = wlc_cm->wlc;
957 struct txpwr_limits txpwr;
959 /* search for the existence of any valid channel */
960 for (chan = 0; chan < MAXCHANNEL; chan++) {
961 if (VALID_CHANNEL20_DB(wlc, chan)) {
965 if (chan == MAXCHANNEL)
968 /* based on the channel search above, set or clear WL_RADIO_COUNTRY_DISABLE */
969 if (chan == INVCHANNEL) {
970 /* country/locale with no valid channels, set the radio disable bit */
971 mboolset(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
972 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));
974 if (mboolisset(wlc->pub->radio_disabled,
975 WL_RADIO_COUNTRY_DISABLE)) {
976 /* country/locale with valid channel, clear the radio disable bit */
977 mboolclr(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
980 /* Now that the country abbreviation is set, if the radio supports 2G, then
981 * set channel 14 restrictions based on the new locale.
983 if (NBANDS(wlc) > 1 || BAND_2G(wlc->band->bandtype)) {
984 wlc_phy_chanspec_ch14_widefilter_set(wlc->band->pi,
985 wlc_japan(wlc) ? true :
989 if (wlc->pub->up && chan != INVCHANNEL) {
990 wlc_channel_reg_limits(wlc_cm, wlc->chanspec, &txpwr);
991 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm,
994 wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec);
998 /* reset the quiet channels vector to the union of the restricted and radar channel sets */
999 void wlc_quiet_channels_reset(wlc_cm_info_t *wlc_cm)
1001 wlc_info_t *wlc = wlc_cm->wlc;
1004 const chanvec_t *chanvec;
1006 bzero(&wlc_cm->quiet_channels, sizeof(chanvec_t));
1009 for (i = 0; i < NBANDS(wlc);
1010 i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
1012 /* initialize quiet channels for restricted channels */
1013 chanvec = wlc_cm->bandstate[band->bandunit].restricted_channels;
1014 for (j = 0; j < sizeof(chanvec_t); j++)
1015 wlc_cm->quiet_channels.vec[j] |= chanvec->vec[j];
1020 bool wlc_quiet_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
1022 return N_ENAB(wlc_cm->wlc->pub) && CHSPEC_IS40(chspec) ?
1024 (wlc_cm->quiet_channels.vec,
1025 LOWER_20_SB(CHSPEC_CHANNEL(chspec)))
1026 || isset(wlc_cm->quiet_channels.vec,
1027 UPPER_20_SB(CHSPEC_CHANNEL(chspec)))) : isset(wlc_cm->
1034 /* Is the channel valid for the current locale? (but don't consider channels not
1035 * available due to bandlocking)
1037 bool wlc_valid_channel20_db(wlc_cm_info_t *wlc_cm, uint val)
1039 wlc_info_t *wlc = wlc_cm->wlc;
1041 return VALID_CHANNEL20(wlc, val) ||
1043 && VALID_CHANNEL20_IN_BAND(wlc, OTHERBANDUNIT(wlc), val));
1046 /* Is the channel valid for the current locale and specified band? */
1048 wlc_valid_channel20_in_band(wlc_cm_info_t *wlc_cm, uint bandunit, uint val)
1050 return ((val < MAXCHANNEL)
1051 && isset(wlc_cm->bandstate[bandunit].valid_channels.vec, val));
1054 /* Is the channel valid for the current locale and current band? */
1055 bool wlc_valid_channel20(wlc_cm_info_t *wlc_cm, uint val)
1057 wlc_info_t *wlc = wlc_cm->wlc;
1059 return ((val < MAXCHANNEL) &&
1060 isset(wlc_cm->bandstate[wlc->band->bandunit].valid_channels.vec,
1064 /* Is the 40 MHz allowed for the current locale and specified band? */
1065 bool wlc_valid_40chanspec_in_band(wlc_cm_info_t *wlc_cm, uint bandunit)
1067 wlc_info_t *wlc = wlc_cm->wlc;
1069 return (((wlc_cm->bandstate[bandunit].
1070 locale_flags & (WLC_NO_MIMO | WLC_NO_40MHZ)) == 0)
1071 && wlc->bandstate[bandunit]->mimo_cap_40);
1075 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t *wlc_cm,
1076 struct txpwr_limits *txpwr,
1078 local_constraint_qdbm)
1083 for (j = 0; j < WL_TX_POWER_CCK_NUM; j++) {
1084 txpwr->cck[j] = min(txpwr->cck[j], local_constraint_qdbm);
1087 /* 20 MHz Legacy OFDM SISO */
1088 for (j = 0; j < WL_TX_POWER_OFDM_NUM; j++) {
1089 txpwr->ofdm[j] = min(txpwr->ofdm[j], local_constraint_qdbm);
1092 /* 20 MHz Legacy OFDM CDD */
1093 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1094 txpwr->ofdm_cdd[j] =
1095 min(txpwr->ofdm_cdd[j], local_constraint_qdbm);
1098 /* 40 MHz Legacy OFDM SISO */
1099 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1100 txpwr->ofdm_40_siso[j] =
1101 min(txpwr->ofdm_40_siso[j], local_constraint_qdbm);
1104 /* 40 MHz Legacy OFDM CDD */
1105 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1106 txpwr->ofdm_40_cdd[j] =
1107 min(txpwr->ofdm_40_cdd[j], local_constraint_qdbm);
1110 /* 20MHz MCS 0-7 SISO */
1111 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1112 txpwr->mcs_20_siso[j] =
1113 min(txpwr->mcs_20_siso[j], local_constraint_qdbm);
1116 /* 20MHz MCS 0-7 CDD */
1117 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1118 txpwr->mcs_20_cdd[j] =
1119 min(txpwr->mcs_20_cdd[j], local_constraint_qdbm);
1122 /* 20MHz MCS 0-7 STBC */
1123 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1124 txpwr->mcs_20_stbc[j] =
1125 min(txpwr->mcs_20_stbc[j], local_constraint_qdbm);
1128 /* 20MHz MCS 8-15 MIMO */
1129 for (j = 0; j < WLC_NUM_RATES_MCS_2_STREAM; j++)
1130 txpwr->mcs_20_mimo[j] =
1131 min(txpwr->mcs_20_mimo[j], local_constraint_qdbm);
1133 /* 40MHz MCS 0-7 SISO */
1134 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1135 txpwr->mcs_40_siso[j] =
1136 min(txpwr->mcs_40_siso[j], local_constraint_qdbm);
1139 /* 40MHz MCS 0-7 CDD */
1140 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1141 txpwr->mcs_40_cdd[j] =
1142 min(txpwr->mcs_40_cdd[j], local_constraint_qdbm);
1145 /* 40MHz MCS 0-7 STBC */
1146 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1147 txpwr->mcs_40_stbc[j] =
1148 min(txpwr->mcs_40_stbc[j], local_constraint_qdbm);
1151 /* 40MHz MCS 8-15 MIMO */
1152 for (j = 0; j < WLC_NUM_RATES_MCS_2_STREAM; j++)
1153 txpwr->mcs_40_mimo[j] =
1154 min(txpwr->mcs_40_mimo[j], local_constraint_qdbm);
1157 txpwr->mcs32 = min(txpwr->mcs32, local_constraint_qdbm);
1162 wlc_channel_set_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chanspec,
1163 u8 local_constraint_qdbm)
1165 wlc_info_t *wlc = wlc_cm->wlc;
1166 struct txpwr_limits txpwr;
1168 wlc_channel_reg_limits(wlc_cm, chanspec, &txpwr);
1170 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm, &txpwr,
1171 local_constraint_qdbm);
1173 wlc_bmac_set_chanspec(wlc->hw, chanspec,
1174 (wlc_quiet_chanspec(wlc_cm, chanspec) != 0),
1179 wlc_channel_set_txpower_limit(wlc_cm_info_t *wlc_cm,
1180 u8 local_constraint_qdbm)
1182 wlc_info_t *wlc = wlc_cm->wlc;
1183 struct txpwr_limits txpwr;
1185 wlc_channel_reg_limits(wlc_cm, wlc->chanspec, &txpwr);
1187 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm, &txpwr,
1188 local_constraint_qdbm);
1190 wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec);
1196 static void wlc_phy_txpower_limits_dump(txpwr_limits_t *txpwr)
1199 char fraction[4][4] = { " ", ".25", ".5 ", ".75" };
1202 for (i = 0; i < WLC_NUM_RATES_CCK; i++) {
1203 printf(" %2d%s", txpwr->cck[i] / WLC_TXPWR_DB_FACTOR,
1204 fraction[txpwr->cck[i] % WLC_TXPWR_DB_FACTOR]);
1208 printf("20 MHz OFDM SISO ");
1209 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1210 printf(" %2d%s", txpwr->ofdm[i] / WLC_TXPWR_DB_FACTOR,
1211 fraction[txpwr->ofdm[i] % WLC_TXPWR_DB_FACTOR]);
1215 printf("20 MHz OFDM CDD ");
1216 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1217 printf(" %2d%s", txpwr->ofdm_cdd[i] / WLC_TXPWR_DB_FACTOR,
1218 fraction[txpwr->ofdm_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1222 printf("40 MHz OFDM SISO ");
1223 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1224 printf(" %2d%s", txpwr->ofdm_40_siso[i] / WLC_TXPWR_DB_FACTOR,
1225 fraction[txpwr->ofdm_40_siso[i] % WLC_TXPWR_DB_FACTOR]);
1229 printf("40 MHz OFDM CDD ");
1230 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1231 printf(" %2d%s", txpwr->ofdm_40_cdd[i] / WLC_TXPWR_DB_FACTOR,
1232 fraction[txpwr->ofdm_40_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1236 printf("20 MHz MCS0-7 SISO ");
1237 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1238 printf(" %2d%s", txpwr->mcs_20_siso[i] / WLC_TXPWR_DB_FACTOR,
1239 fraction[txpwr->mcs_20_siso[i] % WLC_TXPWR_DB_FACTOR]);
1243 printf("20 MHz MCS0-7 CDD ");
1244 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1245 printf(" %2d%s", txpwr->mcs_20_cdd[i] / WLC_TXPWR_DB_FACTOR,
1246 fraction[txpwr->mcs_20_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1250 printf("20 MHz MCS0-7 STBC ");
1251 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1252 printf(" %2d%s", txpwr->mcs_20_stbc[i] / WLC_TXPWR_DB_FACTOR,
1253 fraction[txpwr->mcs_20_stbc[i] % WLC_TXPWR_DB_FACTOR]);
1257 printf("20 MHz MCS8-15 SDM ");
1258 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1259 printf(" %2d%s", txpwr->mcs_20_mimo[i] / WLC_TXPWR_DB_FACTOR,
1260 fraction[txpwr->mcs_20_mimo[i] % WLC_TXPWR_DB_FACTOR]);
1264 printf("40 MHz MCS0-7 SISO ");
1265 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1266 printf(" %2d%s", txpwr->mcs_40_siso[i] / WLC_TXPWR_DB_FACTOR,
1267 fraction[txpwr->mcs_40_siso[i] % WLC_TXPWR_DB_FACTOR]);
1271 printf("40 MHz MCS0-7 CDD ");
1272 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1273 printf(" %2d%s", txpwr->mcs_40_cdd[i] / WLC_TXPWR_DB_FACTOR,
1274 fraction[txpwr->mcs_40_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1278 printf("40 MHz MCS0-7 STBC ");
1279 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1280 printf(" %2d%s", txpwr->mcs_40_stbc[i] / WLC_TXPWR_DB_FACTOR,
1281 fraction[txpwr->mcs_40_stbc[i] % WLC_TXPWR_DB_FACTOR]);
1285 printf("40 MHz MCS8-15 SDM ");
1286 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1287 printf(" %2d%s", txpwr->mcs_40_mimo[i] / WLC_TXPWR_DB_FACTOR,
1288 fraction[txpwr->mcs_40_mimo[i] % WLC_TXPWR_DB_FACTOR]);
1292 printf("MCS32 %2d%s\n",
1293 txpwr->mcs32 / WLC_TXPWR_DB_FACTOR,
1294 fraction[txpwr->mcs32 % WLC_TXPWR_DB_FACTOR]);
1296 #endif /* POWER_DBG */
1299 wlc_channel_reg_limits(wlc_cm_info_t *wlc_cm, chanspec_t chanspec,
1300 txpwr_limits_t *txpwr)
1302 wlc_info_t *wlc = wlc_cm->wlc;
1307 const country_info_t *country;
1309 const locale_info_t *li;
1311 int conducted_ofdm_max;
1312 const locale_mimo_info_t *li_mimo;
1313 int maxpwr20, maxpwr40;
1317 bzero(txpwr, sizeof(txpwr_limits_t));
1319 if (!wlc_valid_chanspec_db(wlc_cm, chanspec)) {
1320 country = wlc_country_lookup(wlc, wlc->autocountry_default);
1321 if (country == NULL)
1324 country = wlc_cm->country;
1327 chan = CHSPEC_CHANNEL(chanspec);
1328 band = wlc->bandstate[CHSPEC_WLCBANDUNIT(chanspec)];
1329 li = BAND_5G(band->bandtype) ?
1330 wlc_get_locale_5g(country->locale_5G) :
1331 wlc_get_locale_2g(country->locale_2G);
1333 li_mimo = BAND_5G(band->bandtype) ?
1334 wlc_get_mimo_5g(country->locale_mimo_5G) :
1335 wlc_get_mimo_2g(country->locale_mimo_2G);
1337 if (li->flags & WLC_EIRP) {
1338 delta = band->antgain;
1341 if (band->antgain > QDB(6))
1342 delta = band->antgain - QDB(6); /* Excess over 6 dB */
1345 if (li == &locale_i) {
1346 conducted_max = QDB(22);
1347 conducted_ofdm_max = QDB(22);
1350 /* CCK txpwr limits for 2.4G band */
1351 if (BAND_2G(band->bandtype)) {
1352 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_CCK(chan)];
1354 maxpwr = maxpwr - delta;
1355 maxpwr = max(maxpwr, 0);
1356 maxpwr = min(maxpwr, conducted_max);
1358 for (i = 0; i < WLC_NUM_RATES_CCK; i++)
1359 txpwr->cck[i] = (u8) maxpwr;
1362 /* OFDM txpwr limits for 2.4G or 5G bands */
1363 if (BAND_2G(band->bandtype)) {
1364 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_OFDM(chan)];
1367 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_5G(chan)];
1370 maxpwr = maxpwr - delta;
1371 maxpwr = max(maxpwr, 0);
1372 maxpwr = min(maxpwr, conducted_ofdm_max);
1374 /* Keep OFDM lmit below CCK limit */
1375 if (BAND_2G(band->bandtype))
1376 maxpwr = min_t(int, maxpwr, txpwr->cck[0]);
1378 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1379 txpwr->ofdm[i] = (u8) maxpwr;
1382 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1383 /* OFDM 40 MHz SISO has the same power as the corresponding MCS0-7 rate unless
1384 * overriden by the locale specific code. We set this value to 0 as a
1385 * flag (presumably 0 dBm isn't a possibility) and then copy the MCS0-7 value
1386 * to the 40 MHz value if it wasn't explicitly set.
1388 txpwr->ofdm_40_siso[i] = 0;
1390 txpwr->ofdm_cdd[i] = (u8) maxpwr;
1392 txpwr->ofdm_40_cdd[i] = 0;
1395 /* MIMO/HT specific limits */
1396 if (li_mimo->flags & WLC_EIRP) {
1397 delta = band->antgain;
1400 if (band->antgain > QDB(6))
1401 delta = band->antgain - QDB(6); /* Excess over 6 dB */
1404 if (BAND_2G(band->bandtype))
1405 maxpwr_idx = (chan - 1);
1407 maxpwr_idx = CHANNEL_POWER_IDX_5G(chan);
1409 maxpwr20 = li_mimo->maxpwr20[maxpwr_idx];
1410 maxpwr40 = li_mimo->maxpwr40[maxpwr_idx];
1412 maxpwr20 = maxpwr20 - delta;
1413 maxpwr20 = max(maxpwr20, 0);
1414 maxpwr40 = maxpwr40 - delta;
1415 maxpwr40 = max(maxpwr40, 0);
1417 /* Fill in the MCS 0-7 (SISO) rates */
1418 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1420 /* 20 MHz has the same power as the corresponding OFDM rate unless
1421 * overriden by the locale specific code.
1423 txpwr->mcs_20_siso[i] = txpwr->ofdm[i];
1424 txpwr->mcs_40_siso[i] = 0;
1427 /* Fill in the MCS 0-7 CDD rates */
1428 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1429 txpwr->mcs_20_cdd[i] = (u8) maxpwr20;
1430 txpwr->mcs_40_cdd[i] = (u8) maxpwr40;
1433 /* These locales have SISO expressed in the table and override CDD later */
1434 if (li_mimo == &locale_bn) {
1435 if (li_mimo == &locale_bn) {
1439 if (chan >= 3 && chan <= 11) {
1444 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1445 txpwr->mcs_20_siso[i] = (u8) maxpwr20;
1446 txpwr->mcs_40_siso[i] = (u8) maxpwr40;
1450 /* Fill in the MCS 0-7 STBC rates */
1451 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1452 txpwr->mcs_20_stbc[i] = 0;
1453 txpwr->mcs_40_stbc[i] = 0;
1456 /* Fill in the MCS 8-15 SDM rates */
1457 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1458 txpwr->mcs_20_mimo[i] = (u8) maxpwr20;
1459 txpwr->mcs_40_mimo[i] = (u8) maxpwr40;
1463 txpwr->mcs32 = (u8) maxpwr40;
1465 for (i = 0, j = 0; i < WLC_NUM_RATES_OFDM; i++, j++) {
1466 if (txpwr->ofdm_40_cdd[i] == 0)
1467 txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
1470 if (txpwr->ofdm_40_cdd[i] == 0)
1471 txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
1475 /* Copy the 40 MHZ MCS 0-7 CDD value to the 40 MHZ MCS 0-7 SISO value if it wasn't
1476 * provided explicitly.
1479 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1480 if (txpwr->mcs_40_siso[i] == 0)
1481 txpwr->mcs_40_siso[i] = txpwr->mcs_40_cdd[i];
1484 for (i = 0, j = 0; i < WLC_NUM_RATES_OFDM; i++, j++) {
1485 if (txpwr->ofdm_40_siso[i] == 0)
1486 txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
1489 if (txpwr->ofdm_40_siso[i] == 0)
1490 txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
1494 /* Copy the 20 and 40 MHz MCS0-7 CDD values to the corresponding STBC values if they weren't
1495 * provided explicitly.
1497 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1498 if (txpwr->mcs_20_stbc[i] == 0)
1499 txpwr->mcs_20_stbc[i] = txpwr->mcs_20_cdd[i];
1501 if (txpwr->mcs_40_stbc[i] == 0)
1502 txpwr->mcs_40_stbc[i] = txpwr->mcs_40_cdd[i];
1506 wlc_phy_txpower_limits_dump(txpwr);
1511 /* Returns true if currently set country is Japan or variant */
1512 bool wlc_japan(struct wlc_info *wlc)
1514 return wlc_japan_ccode(wlc->cmi->country_abbrev);
1517 /* JP, J1 - J10 are Japan ccodes */
1518 static bool wlc_japan_ccode(const char *ccode)
1520 return (ccode[0] == 'J' &&
1521 (ccode[1] == 'P' || (ccode[1] >= '1' && ccode[1] <= '9')));
1525 * Validate the chanspec for this locale, for 40MHZ we need to also check that the sidebands
1526 * are valid 20MZH channels in this locale and they are also a legal HT combination
1529 wlc_valid_chanspec_ext(wlc_cm_info_t *wlc_cm, chanspec_t chspec, bool dualband)
1531 wlc_info_t *wlc = wlc_cm->wlc;
1532 u8 channel = CHSPEC_CHANNEL(chspec);
1534 /* check the chanspec */
1535 if (wf_chspec_malformed(chspec)) {
1536 WL_ERROR(("wl%d: malformed chanspec 0x%x\n", wlc->pub->unit,
1542 if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) !=
1543 CHSPEC_WLCBANDUNIT(chspec))
1546 /* Check a 20Mhz channel */
1547 if (CHSPEC_IS20(chspec)) {
1549 return VALID_CHANNEL20_DB(wlc_cm->wlc, channel);
1551 return VALID_CHANNEL20(wlc_cm->wlc, channel);
1553 #ifdef SUPPORT_40MHZ
1554 /* We know we are now checking a 40MHZ channel, so we should only be here
1557 if (WLCISNPHY(wlc->band) || WLCISSSLPNPHY(wlc->band)) {
1558 u8 upper_sideband = 0, idx;
1559 u8 num_ch20_entries =
1560 sizeof(chan20_info) / sizeof(struct chan20_info);
1562 if (!VALID_40CHANSPEC_IN_BAND(wlc, CHSPEC_WLCBANDUNIT(chspec)))
1566 if (!VALID_CHANNEL20_DB(wlc, LOWER_20_SB(channel)) ||
1567 !VALID_CHANNEL20_DB(wlc, UPPER_20_SB(channel)))
1570 if (!VALID_CHANNEL20(wlc, LOWER_20_SB(channel)) ||
1571 !VALID_CHANNEL20(wlc, UPPER_20_SB(channel)))
1575 /* find the lower sideband info in the sideband array */
1576 for (idx = 0; idx < num_ch20_entries; idx++) {
1577 if (chan20_info[idx].sb == LOWER_20_SB(channel))
1578 upper_sideband = chan20_info[idx].adj_sbs;
1580 /* check that the lower sideband allows an upper sideband */
1581 if ((upper_sideband & (CH_UPPER_SB | CH_EWA_VALID)) ==
1582 (CH_UPPER_SB | CH_EWA_VALID))
1591 bool wlc_valid_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
1593 return wlc_valid_chanspec_ext(wlc_cm, chspec, false);
1596 bool wlc_valid_chanspec_db(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
1598 return wlc_valid_chanspec_ext(wlc_cm, chspec, true);