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/types.h>
18 #include <net/cfg80211.h>
19 #include <net/mac80211.h>
20 #include <net/regulatory.h>
24 #include "phy/phy_hal.h"
28 #include "mac80211_if.h"
31 /* QDB() macro takes a dB value and converts to a quarter dB value */
32 #define QDB(n) ((n) * BRCMS_TXPWR_DB_FACTOR)
34 #define LOCALE_MIMO_IDX_bn 0
35 #define LOCALE_MIMO_IDX_11n 0
37 /* max of BAND_5G_PWR_LVLS and 14 for 2.4 GHz */
38 #define BRCMS_MAXPWR_MIMO_TBL_SIZE 14
40 /* maxpwr mapping to 5GHz band channels:
41 * maxpwr[0] - channels [34-48]
42 * maxpwr[1] - channels [52-60]
43 * maxpwr[2] - channels [62-64]
44 * maxpwr[3] - channels [100-140]
45 * maxpwr[4] - channels [149-165]
47 #define BAND_5G_PWR_LVLS 5 /* 5 power levels for 5G */
49 #define LC(id) LOCALE_MIMO_IDX_ ## id
51 #define LOCALES(mimo2, mimo5) \
52 {LC(mimo2), LC(mimo5)}
54 /* macro to get 5 GHz channel group index for tx power */
55 #define CHANNEL_POWER_IDX_5G(c) (((c) < 52) ? 0 : \
58 (((c) < 149) ? 3 : 4))))
60 #define BRCM_2GHZ_2412_2462 REG_RULE(2412-10, 2462+10, 40, 0, 19, 0)
61 #define BRCM_2GHZ_2467_2472 REG_RULE(2467-10, 2472+10, 20, 0, 19, \
62 NL80211_RRF_PASSIVE_SCAN | \
65 #define BRCM_5GHZ_5180_5240 REG_RULE(5180-10, 5240+10, 40, 0, 21, \
66 NL80211_RRF_PASSIVE_SCAN | \
68 #define BRCM_5GHZ_5260_5320 REG_RULE(5260-10, 5320+10, 40, 0, 21, \
69 NL80211_RRF_PASSIVE_SCAN | \
72 #define BRCM_5GHZ_5500_5700 REG_RULE(5500-10, 5700+10, 40, 0, 21, \
73 NL80211_RRF_PASSIVE_SCAN | \
76 #define BRCM_5GHZ_5745_5825 REG_RULE(5745-10, 5825+10, 40, 0, 21, \
77 NL80211_RRF_PASSIVE_SCAN | \
80 static const struct ieee80211_regdomain brcms_regdom_x2 = {
93 /* locale per-channel tx power limits for MIMO frames
94 * maxpwr arrays are index by channel for 2.4 GHz limits, and
95 * by sub-band for 5 GHz limits using CHANNEL_POWER_IDX_5G(channel)
97 struct locale_mimo_info {
98 /* tx 20 MHz power limits, qdBm units */
99 s8 maxpwr20[BRCMS_MAXPWR_MIMO_TBL_SIZE];
100 /* tx 40 MHz power limits, qdBm units */
101 s8 maxpwr40[BRCMS_MAXPWR_MIMO_TBL_SIZE];
104 /* Country names and abbreviations with locale defined from ISO 3166 */
105 struct country_info {
106 const u8 locale_mimo_2G; /* 2.4G mimo info */
107 const u8 locale_mimo_5G; /* 5G mimo info */
111 struct country_info country;
112 const struct ieee80211_regdomain *regdomain;
115 struct brcms_cm_info {
116 struct brcms_pub *pub;
117 struct brcms_c_info *wlc;
118 const struct brcms_regd *world_regd;
122 * MIMO Locale Definitions - 2.4 GHz
124 static const struct locale_mimo_info locale_bn = {
125 {QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
126 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
127 QDB(13), QDB(13), QDB(13)},
128 {0, 0, QDB(13), QDB(13), QDB(13),
129 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
133 static const struct locale_mimo_info *g_mimo_2g_table[] = {
138 * MIMO Locale Definitions - 5 GHz
140 static const struct locale_mimo_info locale_11n = {
141 { /* 12.5 dBm */ 50, 50, 50, QDB(15), QDB(15)},
142 {QDB(14), QDB(15), QDB(15), QDB(15), QDB(15)},
145 static const struct locale_mimo_info *g_mimo_5g_table[] = {
149 static const struct brcms_regd cntry_locales[] = {
150 /* Worldwide RoW 2, must always be at index 0 */
152 .country = LOCALES(bn, 11n),
153 .regdomain = &brcms_regdom_x2,
157 static const struct locale_mimo_info *brcms_c_get_mimo_2g(u8 locale_idx)
159 if (locale_idx >= ARRAY_SIZE(g_mimo_2g_table))
162 return g_mimo_2g_table[locale_idx];
165 static const struct locale_mimo_info *brcms_c_get_mimo_5g(u8 locale_idx)
167 if (locale_idx >= ARRAY_SIZE(g_mimo_5g_table))
170 return g_mimo_5g_table[locale_idx];
174 * Indicates whether the country provided is valid to pass
175 * to cfg80211 or not.
177 * returns true if valid; false if not.
179 static bool brcms_c_country_valid(const char *ccode)
182 * only allow ascii alpha uppercase for the first 2
185 if (!((0x80 & ccode[0]) == 0 && ccode[0] >= 0x41 && ccode[0] <= 0x5A &&
186 (0x80 & ccode[1]) == 0 && ccode[1] >= 0x41 && ccode[1] <= 0x5A &&
191 * do not match ISO 3166-1 user assigned country codes
192 * that may be in the driver table
194 if (!strcmp("AA", ccode) || /* AA */
195 !strcmp("ZZ", ccode) || /* ZZ */
196 ccode[0] == 'X' || /* XA - XZ */
197 (ccode[0] == 'Q' && /* QM - QZ */
198 (ccode[1] >= 'M' && ccode[1] <= 'Z')))
201 if (!strcmp("NA", ccode))
207 static const struct brcms_regd *brcms_world_regd(const char *regdom, int len)
209 const struct brcms_regd *regd = NULL;
212 for (i = 0; i < ARRAY_SIZE(cntry_locales); i++) {
213 if (!strncmp(regdom, cntry_locales[i].regdomain->alpha2, len)) {
214 regd = &cntry_locales[i];
222 static const struct brcms_regd *brcms_default_world_regd(void)
224 return &cntry_locales[0];
227 /* JP, J1 - J10 are Japan ccodes */
228 static bool brcms_c_japan_ccode(const char *ccode)
230 return (ccode[0] == 'J' &&
231 (ccode[1] == 'P' || (ccode[1] >= '1' && ccode[1] <= '9')));
235 brcms_c_channel_min_txpower_limits_with_local_constraint(
236 struct brcms_cm_info *wlc_cm, struct txpwr_limits *txpwr,
237 u8 local_constraint_qdbm)
242 for (j = 0; j < WL_TX_POWER_CCK_NUM; j++)
243 txpwr->cck[j] = min(txpwr->cck[j], local_constraint_qdbm);
245 /* 20 MHz Legacy OFDM SISO */
246 for (j = 0; j < WL_TX_POWER_OFDM_NUM; j++)
247 txpwr->ofdm[j] = min(txpwr->ofdm[j], local_constraint_qdbm);
249 /* 20 MHz Legacy OFDM CDD */
250 for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++)
252 min(txpwr->ofdm_cdd[j], local_constraint_qdbm);
254 /* 40 MHz Legacy OFDM SISO */
255 for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++)
256 txpwr->ofdm_40_siso[j] =
257 min(txpwr->ofdm_40_siso[j], local_constraint_qdbm);
259 /* 40 MHz Legacy OFDM CDD */
260 for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++)
261 txpwr->ofdm_40_cdd[j] =
262 min(txpwr->ofdm_40_cdd[j], local_constraint_qdbm);
264 /* 20MHz MCS 0-7 SISO */
265 for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
266 txpwr->mcs_20_siso[j] =
267 min(txpwr->mcs_20_siso[j], local_constraint_qdbm);
269 /* 20MHz MCS 0-7 CDD */
270 for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
271 txpwr->mcs_20_cdd[j] =
272 min(txpwr->mcs_20_cdd[j], local_constraint_qdbm);
274 /* 20MHz MCS 0-7 STBC */
275 for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
276 txpwr->mcs_20_stbc[j] =
277 min(txpwr->mcs_20_stbc[j], local_constraint_qdbm);
279 /* 20MHz MCS 8-15 MIMO */
280 for (j = 0; j < BRCMS_NUM_RATES_MCS_2_STREAM; j++)
281 txpwr->mcs_20_mimo[j] =
282 min(txpwr->mcs_20_mimo[j], local_constraint_qdbm);
284 /* 40MHz MCS 0-7 SISO */
285 for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
286 txpwr->mcs_40_siso[j] =
287 min(txpwr->mcs_40_siso[j], local_constraint_qdbm);
289 /* 40MHz MCS 0-7 CDD */
290 for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
291 txpwr->mcs_40_cdd[j] =
292 min(txpwr->mcs_40_cdd[j], local_constraint_qdbm);
294 /* 40MHz MCS 0-7 STBC */
295 for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++)
296 txpwr->mcs_40_stbc[j] =
297 min(txpwr->mcs_40_stbc[j], local_constraint_qdbm);
299 /* 40MHz MCS 8-15 MIMO */
300 for (j = 0; j < BRCMS_NUM_RATES_MCS_2_STREAM; j++)
301 txpwr->mcs_40_mimo[j] =
302 min(txpwr->mcs_40_mimo[j], local_constraint_qdbm);
305 txpwr->mcs32 = min(txpwr->mcs32, local_constraint_qdbm);
310 * set the driver's current country and regulatory information
311 * using a country code as the source. Look up built in country
312 * information found with the country code.
315 brcms_c_set_country(struct brcms_cm_info *wlc_cm,
316 const struct brcms_regd *regd)
318 struct brcms_c_info *wlc = wlc_cm->wlc;
320 if ((wlc->pub->_n_enab & SUPPORT_11N) !=
321 wlc->protection->nmode_user)
322 brcms_c_set_nmode(wlc);
324 brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]);
325 brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]);
327 brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false);
332 struct brcms_cm_info *brcms_c_channel_mgr_attach(struct brcms_c_info *wlc)
334 struct brcms_cm_info *wlc_cm;
335 struct brcms_pub *pub = wlc->pub;
336 struct ssb_sprom *sprom = &wlc->hw->d11core->bus->sprom;
337 const char *ccode = sprom->alpha2;
338 int ccode_len = sizeof(sprom->alpha2);
340 wlc_cm = kzalloc(sizeof(struct brcms_cm_info), GFP_ATOMIC);
347 /* store the country code for passing up as a regulatory hint */
348 wlc_cm->world_regd = brcms_world_regd(ccode, ccode_len);
349 if (brcms_c_country_valid(ccode))
350 strncpy(wlc->pub->srom_ccode, ccode, ccode_len);
353 * If no custom world domain is found in the SROM, use the
354 * default "X2" domain.
356 if (!wlc_cm->world_regd) {
357 wlc_cm->world_regd = brcms_default_world_regd();
358 ccode = wlc_cm->world_regd->regdomain->alpha2;
359 ccode_len = BRCM_CNTRY_BUF_SZ - 1;
362 /* save default country for exiting 11d regulatory mode */
363 strncpy(wlc->country_default, ccode, ccode_len);
365 /* initialize autocountry_default to driver default */
366 strncpy(wlc->autocountry_default, ccode, ccode_len);
368 brcms_c_set_country(wlc_cm, wlc_cm->world_regd);
373 void brcms_c_channel_mgr_detach(struct brcms_cm_info *wlc_cm)
379 brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec,
380 u8 local_constraint_qdbm)
382 struct brcms_c_info *wlc = wlc_cm->wlc;
383 struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.channel;
384 struct txpwr_limits txpwr;
386 brcms_c_channel_reg_limits(wlc_cm, chanspec, &txpwr);
388 brcms_c_channel_min_txpower_limits_with_local_constraint(
389 wlc_cm, &txpwr, local_constraint_qdbm
392 /* set or restore gmode as required by regulatory */
393 if (ch->flags & IEEE80211_CHAN_NO_OFDM)
394 brcms_c_set_gmode(wlc, GMODE_LEGACY_B, false);
396 brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false);
398 brcms_b_set_chanspec(wlc->hw, chanspec,
399 !!(ch->flags & IEEE80211_CHAN_PASSIVE_SCAN),
404 brcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm, u16 chanspec,
405 struct txpwr_limits *txpwr)
407 struct brcms_c_info *wlc = wlc_cm->wlc;
408 struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.channel;
413 const struct country_info *country;
414 struct brcms_band *band;
415 int conducted_max = BRCMS_TXPWR_MAX;
416 const struct locale_mimo_info *li_mimo;
417 int maxpwr20, maxpwr40;
421 memset(txpwr, 0, sizeof(struct txpwr_limits));
426 country = &wlc_cm->world_regd->country;
428 chan = CHSPEC_CHANNEL(chanspec);
429 band = wlc->bandstate[chspec_bandunit(chanspec)];
430 li_mimo = (band->bandtype == BRCM_BAND_5G) ?
431 brcms_c_get_mimo_5g(country->locale_mimo_5G) :
432 brcms_c_get_mimo_2g(country->locale_mimo_2G);
434 delta = band->antgain;
436 if (band->bandtype == BRCM_BAND_2G)
437 conducted_max = QDB(22);
439 maxpwr = QDB(ch->max_power) - delta;
440 maxpwr = max(maxpwr, 0);
441 maxpwr = min(maxpwr, conducted_max);
443 /* CCK txpwr limits for 2.4G band */
444 if (band->bandtype == BRCM_BAND_2G) {
445 for (i = 0; i < BRCMS_NUM_RATES_CCK; i++)
446 txpwr->cck[i] = (u8) maxpwr;
449 for (i = 0; i < BRCMS_NUM_RATES_OFDM; i++) {
450 txpwr->ofdm[i] = (u8) maxpwr;
453 * OFDM 40 MHz SISO has the same power as the corresponding
454 * MCS0-7 rate unless overriden by the locale specific code.
455 * We set this value to 0 as a flag (presumably 0 dBm isn't
456 * a possibility) and then copy the MCS0-7 value to the 40 MHz
457 * value if it wasn't explicitly set.
459 txpwr->ofdm_40_siso[i] = 0;
461 txpwr->ofdm_cdd[i] = (u8) maxpwr;
463 txpwr->ofdm_40_cdd[i] = 0;
467 if (band->antgain > QDB(6))
468 delta = band->antgain - QDB(6); /* Excess over 6 dB */
470 if (band->bandtype == BRCM_BAND_2G)
471 maxpwr_idx = (chan - 1);
473 maxpwr_idx = CHANNEL_POWER_IDX_5G(chan);
475 maxpwr20 = li_mimo->maxpwr20[maxpwr_idx];
476 maxpwr40 = li_mimo->maxpwr40[maxpwr_idx];
478 maxpwr20 = maxpwr20 - delta;
479 maxpwr20 = max(maxpwr20, 0);
480 maxpwr40 = maxpwr40 - delta;
481 maxpwr40 = max(maxpwr40, 0);
483 /* Fill in the MCS 0-7 (SISO) rates */
484 for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
487 * 20 MHz has the same power as the corresponding OFDM rate
488 * unless overriden by the locale specific code.
490 txpwr->mcs_20_siso[i] = txpwr->ofdm[i];
491 txpwr->mcs_40_siso[i] = 0;
494 /* Fill in the MCS 0-7 CDD rates */
495 for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
496 txpwr->mcs_20_cdd[i] = (u8) maxpwr20;
497 txpwr->mcs_40_cdd[i] = (u8) maxpwr40;
501 * These locales have SISO expressed in the
502 * table and override CDD later
504 if (li_mimo == &locale_bn) {
505 if (li_mimo == &locale_bn) {
509 if (chan >= 3 && chan <= 11)
513 for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
514 txpwr->mcs_20_siso[i] = (u8) maxpwr20;
515 txpwr->mcs_40_siso[i] = (u8) maxpwr40;
519 /* Fill in the MCS 0-7 STBC rates */
520 for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
521 txpwr->mcs_20_stbc[i] = 0;
522 txpwr->mcs_40_stbc[i] = 0;
525 /* Fill in the MCS 8-15 SDM rates */
526 for (i = 0; i < BRCMS_NUM_RATES_MCS_2_STREAM; i++) {
527 txpwr->mcs_20_mimo[i] = (u8) maxpwr20;
528 txpwr->mcs_40_mimo[i] = (u8) maxpwr40;
532 txpwr->mcs32 = (u8) maxpwr40;
534 for (i = 0, j = 0; i < BRCMS_NUM_RATES_OFDM; i++, j++) {
535 if (txpwr->ofdm_40_cdd[i] == 0)
536 txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
539 if (txpwr->ofdm_40_cdd[i] == 0)
540 txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
545 * Copy the 40 MHZ MCS 0-7 CDD value to the 40 MHZ MCS 0-7 SISO
546 * value if it wasn't provided explicitly.
548 for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
549 if (txpwr->mcs_40_siso[i] == 0)
550 txpwr->mcs_40_siso[i] = txpwr->mcs_40_cdd[i];
553 for (i = 0, j = 0; i < BRCMS_NUM_RATES_OFDM; i++, j++) {
554 if (txpwr->ofdm_40_siso[i] == 0)
555 txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
558 if (txpwr->ofdm_40_siso[i] == 0)
559 txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
564 * Copy the 20 and 40 MHz MCS0-7 CDD values to the corresponding
565 * STBC values if they weren't provided explicitly.
567 for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) {
568 if (txpwr->mcs_20_stbc[i] == 0)
569 txpwr->mcs_20_stbc[i] = txpwr->mcs_20_cdd[i];
571 if (txpwr->mcs_40_stbc[i] == 0)
572 txpwr->mcs_40_stbc[i] = txpwr->mcs_40_cdd[i];
579 * Verify the chanspec is using a legal set of parameters, i.e. that the
580 * chanspec specified a band, bw, ctl_sb and channel and that the
581 * combination could be legal given any set of circumstances.
582 * RETURNS: true is the chanspec is malformed, false if it looks good.
584 static bool brcms_c_chspec_malformed(u16 chanspec)
586 /* must be 2G or 5G band */
587 if (!CHSPEC_IS5G(chanspec) && !CHSPEC_IS2G(chanspec))
589 /* must be 20 or 40 bandwidth */
590 if (!CHSPEC_IS40(chanspec) && !CHSPEC_IS20(chanspec))
593 /* 20MHZ b/w must have no ctl sb, 40 must have a ctl sb */
594 if (CHSPEC_IS20(chanspec)) {
595 if (!CHSPEC_SB_NONE(chanspec))
597 } else if (!CHSPEC_SB_UPPER(chanspec) && !CHSPEC_SB_LOWER(chanspec)) {
605 * Validate the chanspec for this locale, for 40MHZ we need to also
606 * check that the sidebands are valid 20MZH channels in this locale
607 * and they are also a legal HT combination
610 brcms_c_valid_chanspec_ext(struct brcms_cm_info *wlc_cm, u16 chspec)
612 struct brcms_c_info *wlc = wlc_cm->wlc;
613 u8 channel = CHSPEC_CHANNEL(chspec);
615 /* check the chanspec */
616 if (brcms_c_chspec_malformed(chspec)) {
617 brcms_err(wlc->hw->d11core, "wl%d: malformed chanspec 0x%x\n",
618 wlc->pub->unit, chspec);
622 if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) !=
623 chspec_bandunit(chspec))
629 bool brcms_c_valid_chanspec_db(struct brcms_cm_info *wlc_cm, u16 chspec)
631 return brcms_c_valid_chanspec_ext(wlc_cm, chspec);
634 static bool brcms_is_radar_freq(u16 center_freq)
636 return center_freq >= 5260 && center_freq <= 5700;
639 static void brcms_reg_apply_radar_flags(struct wiphy *wiphy)
641 struct ieee80211_supported_band *sband;
642 struct ieee80211_channel *ch;
645 sband = wiphy->bands[IEEE80211_BAND_5GHZ];
649 for (i = 0; i < sband->n_channels; i++) {
650 ch = &sband->channels[i];
652 if (!brcms_is_radar_freq(ch->center_freq))
656 * All channels in this range should be passive and have
659 if (!(ch->flags & IEEE80211_CHAN_DISABLED))
660 ch->flags |= IEEE80211_CHAN_RADAR |
661 IEEE80211_CHAN_NO_IBSS |
662 IEEE80211_CHAN_PASSIVE_SCAN;
667 brcms_reg_apply_beaconing_flags(struct wiphy *wiphy,
668 enum nl80211_reg_initiator initiator)
670 struct ieee80211_supported_band *sband;
671 struct ieee80211_channel *ch;
672 const struct ieee80211_reg_rule *rule;
675 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
676 sband = wiphy->bands[band];
680 for (i = 0; i < sband->n_channels; i++) {
681 ch = &sband->channels[i];
684 (IEEE80211_CHAN_DISABLED | IEEE80211_CHAN_RADAR))
687 if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) {
688 ret = freq_reg_info(wiphy, ch->center_freq,
693 if (!(rule->flags & NL80211_RRF_NO_IBSS))
694 ch->flags &= ~IEEE80211_CHAN_NO_IBSS;
695 if (!(rule->flags & NL80211_RRF_PASSIVE_SCAN))
697 ~IEEE80211_CHAN_PASSIVE_SCAN;
698 } else if (ch->beacon_found) {
699 ch->flags &= ~(IEEE80211_CHAN_NO_IBSS |
700 IEEE80211_CHAN_PASSIVE_SCAN);
706 static int brcms_reg_notifier(struct wiphy *wiphy,
707 struct regulatory_request *request)
709 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
710 struct brcms_info *wl = hw->priv;
711 struct brcms_c_info *wlc = wl->wlc;
712 struct ieee80211_supported_band *sband;
713 struct ieee80211_channel *ch;
715 bool ch_found = false;
717 brcms_reg_apply_radar_flags(wiphy);
719 if (request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE)
720 brcms_reg_apply_beaconing_flags(wiphy, request->initiator);
722 /* Disable radio if all channels disallowed by regulatory */
723 for (band = 0; !ch_found && band < IEEE80211_NUM_BANDS; band++) {
724 sband = wiphy->bands[band];
728 for (i = 0; !ch_found && i < sband->n_channels; i++) {
729 ch = &sband->channels[i];
731 if (!(ch->flags & IEEE80211_CHAN_DISABLED))
737 mboolclr(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
739 mboolset(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
740 brcms_err(wlc->hw->d11core,
741 "wl%d: %s: no valid channel for \"%s\"\n",
742 wlc->pub->unit, __func__, request->alpha2);
745 if (wlc->pub->_nbands > 1 || wlc->band->bandtype == BRCM_BAND_2G)
746 wlc_phy_chanspec_ch14_widefilter_set(wlc->band->pi,
747 brcms_c_japan_ccode(request->alpha2));
752 void brcms_c_regd_init(struct brcms_c_info *wlc)
754 struct wiphy *wiphy = wlc->wiphy;
755 const struct brcms_regd *regd = wlc->cmi->world_regd;
756 struct ieee80211_supported_band *sband;
757 struct ieee80211_channel *ch;
758 struct brcms_chanvec sup_chan;
759 struct brcms_band *band;
762 /* Disable any channels not supported by the phy */
763 for (band_idx = 0; band_idx < wlc->pub->_nbands; band_idx++) {
764 band = wlc->bandstate[band_idx];
766 wlc_phy_chanspec_band_validch(band->pi, band->bandtype,
769 if (band_idx == BAND_2G_INDEX)
770 sband = wiphy->bands[IEEE80211_BAND_2GHZ];
772 sband = wiphy->bands[IEEE80211_BAND_5GHZ];
774 for (i = 0; i < sband->n_channels; i++) {
775 ch = &sband->channels[i];
776 if (!isset(sup_chan.vec, ch->hw_value))
777 ch->flags |= IEEE80211_CHAN_DISABLED;
781 wlc->wiphy->reg_notifier = brcms_reg_notifier;
782 wlc->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
783 WIPHY_FLAG_STRICT_REGULATORY;
784 wiphy_apply_custom_regulatory(wlc->wiphy, regd->regdomain);
785 brcms_reg_apply_beaconing_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER);