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 <linux/kernel.h>
  18 #include <linux/string.h>
  19 #include <bcmdefs.h>
  20 #include <wlc_cfg.h>
  21 #include <osl.h>
  22 #include <linuxver.h>
  23 #include <bcmutils.h>
  24 #include <siutils.h>
  25 #include <wlioctl.h>
  26 #include <wlc_pub.h>
  27 #include <wlc_key.h>
  28 #include <wlc_mac80211.h>
  29 #include <wlc_bmac.h>
  30 #include <wlc_stf.h>
  31 #include <wlc_channel.h>
  32
  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 */
  38         u8 PAD[8];
  39 } wlc_cm_band_t;
  40
  41 struct wlc_cm_info {
  42         wlc_pub_t *pub;
  43         wlc_info_t *wlc;
  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 */
  53 };
  54
  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,
  64                                                        uint regrev);
  65 static const country_info_t *wlc_countrycode_map(wlc_cm_info_t *wlc_cm,
  66                                                  const char *ccode,
  67                                                  char *mapped_ccode,
  68                                                  uint *mapped_regrev);
  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 *
  72                                                                  wlc_cm,
  73                                                                  struct
  74                                                                  txpwr_limits
  75                                                                  *txpwr,
  76                                                                  u8
  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);
  81
  82 /* QDB() macro takes a dB value and converts to a quarter dB value */
  83 #ifdef QDB
  84 #undef QDB
  85 #endif
  86 #define QDB(n) ((n) * WLC_TXPWR_DB_FACTOR)
  87
  88 /* Regulatory Matrix Spreadsheet (CLM) MIMO v3.7.9 */
  89
  90 /*
  91  * Some common channel sets
  92  */
  93
  94 /* No channels */
  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}
 100 };
 101
 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}
 108 };
 109
 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}
 116 };
 117
 118 /*
 119  * Radar channel sets
 120  */
 121
 122 /* No radar */
 123 #define radar_set_none chanvec_none
 124
 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}
 130 };
 131
 132 /*
 133  * Restricted channel sets
 134  */
 135
 136 #define restricted_set_none chanvec_none
 137
 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}
 144 };
 145
 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}
 152 };
 153
 154 /* Channel 165 */
 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}
 160 };
 161
 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}
 168 };
 169
 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}
 176 };
 177
 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 */
 194
 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
 202
 203 #define  LOCALE_CHAN_01_14      (LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13 | LOCALE_CHAN_14)
 204
 205 #define  LOCALE_RADAR_SET_NONE            0
 206 #define  LOCALE_RADAR_SET_1               1
 207
 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
 217
 218 /* global memory to provide working buffer for expanded locale */
 219
 220 static const chanvec_t *g_table_radar_set[] = {
 221         &chanvec_none,
 222         &radar_set1
 223 };
 224
 225 static const chanvec_t *g_table_restricted_chan[] = {
 226         &chanvec_none,          /* restricted_set_none */
 227         &restricted_set_2g_short,
 228         &restricted_chan_165,
 229         &chanvec_all_5G,
 230         &restricted_set_japan_legacy,
 231         &chanvec_all_2G,        /* restricted_set_11d_2G */
 232         &chanvec_all_5G,        /* restricted_set_11d_5G */
 233         &restricted_low_hi,
 234         &restricted_set_12_13_14
 235 };
 236
 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}
 242 };
 243
 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}
 249 };
 250
 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}
 256 };
 257
 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}
 263 };
 264
 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}
 270 };
 271
 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}
 277 };
 278
 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}
 284 };
 285
 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}
 291 };
 292
 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}
 298 };
 299
 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}
 305 };
 306
 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}
 312 };
 313
 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}
 319 };
 320
 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}
 326 };
 327
 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}
 333 };
 334
 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}
 340 };
 341
 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}
 347 };
 348
 349 static const chanvec_t *g_table_locale_base[] = {
 350         &locale_2g_01_11,
 351         &locale_2g_12_13,
 352         &locale_2g_14,
 353         &locale_5g_LOW_JP1,
 354         &locale_5g_LOW_JP2,
 355         &locale_5g_LOW1,
 356         &locale_5g_LOW2,
 357         &locale_5g_LOW3,
 358         &locale_5g_MID1,
 359         &locale_5g_MID2,
 360         &locale_5g_MID3,
 361         &locale_5g_HIGH1,
 362         &locale_5g_HIGH2,
 363         &locale_5g_HIGH3,
 364         &locale_5g_52_140_ALL,
 365         &locale_5g_HIGH4
 366 };
 367
 368 void wlc_locale_add_channels(chanvec_t *target, const chanvec_t *channels)
 369 {
 370         u8 i;
 371         for (i = 0; i < sizeof(chanvec_t); i++) {
 372                 target->vec[i] |= channels->vec[i];
 373         }
 374 }
 375
 376 void wlc_locale_get_channels(const locale_info_t *locale, chanvec_t *channels)
 377 {
 378         u8 i;
 379
 380         bzero(channels, sizeof(chanvec_t));
 381
 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]);
 386                 }
 387         }
 388 }
 389
 390 /*
 391  * Locale Definitions - 2.4 GHz
 392  */
 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)},
 399         {20, 20, 20, 0},
 400         WLC_EIRP
 401 };
 402
 403 /*
 404  * Locale Definitions - 5 GHz
 405  */
 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,
 409         LOCALE_RADAR_SET_1,
 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
 414 };
 415
 416 #define LOCALE_2G_IDX_i                 0
 417 static const locale_info_t *g_locale_2g_table[] = {
 418         &locale_i
 419 };
 420
 421 #define LOCALE_5G_IDX_11        0
 422 static const locale_info_t *g_locale_5g_table[] = {
 423         &locale_11
 424 };
 425
 426 /*
 427  * MIMO Locale Definitions - 2.4 GHz
 428  */
 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),
 435          QDB(13), 0, 0},
 436         0
 437 };
 438
 439 /* locale mimo 2g indexes */
 440 #define LOCALE_MIMO_IDX_bn                      0
 441
 442 static const locale_mimo_info_t *g_mimo_2g_table[] = {
 443         &locale_bn
 444 };
 445
 446 /*
 447  * MIMO Locale Definitions - 5 GHz
 448  */
 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)},
 452         0
 453 };
 454
 455 #define LOCALE_MIMO_IDX_11n                     0
 456 static const locale_mimo_info_t *g_mimo_5g_table[] = {
 457         &locale_11n
 458 };
 459
 460 #ifdef LC
 461 #undef LC
 462 #endif
 463 #define LC(id)  LOCALE_MIMO_IDX_ ## id
 464
 465 #ifdef LC_2G
 466 #undef LC_2G
 467 #endif
 468 #define LC_2G(id)       LOCALE_2G_IDX_ ## id
 469
 470 #ifdef LC_5G
 471 #undef LC_5G
 472 #endif
 473 #define LC_5G(id)       LOCALE_5G_IDX_ ## id
 474
 475 #define LOCALES(band2, band5, mimo2, mimo5)     {LC_2G(band2), LC_5G(band5), LC(mimo2), LC(mimo5)}
 476
 477 static const struct {
 478         char abbrev[WLC_CNTRY_BUF_SZ];  /* country abbreviation */
 479         country_info_t country;
 480 } cntry_locales[] = {
 481         {
 482         "X2", LOCALES(i, 11, bn, 11n)}, /* Worldwide RoW 2 */
 483 };
 484
 485 #ifdef SUPPORT_40MHZ
 486 /* 20MHz channel info for 40MHz pairing support */
 487 struct chan20_info {
 488         u8 sb;
 489         u8 adj_sbs;
 490 };
 491
 492 /* indicates adjacent channels that are allowed for a 40 Mhz channel and
 493  * those that permitted by the HT
 494  */
 495 struct chan20_info chan20_info[] = {
 496         /* 11b/11g */
 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)},
 511
 512 /* 11a japan high */
 513 /* 14 */ {34, (CH_UPPER_SB)},
 514 /* 15 */ {38, (CH_LOWER_SB)},
 515 /* 16 */ {42, (CH_LOWER_SB)},
 516 /* 17 */ {46, (CH_LOWER_SB)},
 517
 518 /* 11a usa low */
 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)},
 527
 528 /* 11a Europe */
 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)},
 540
 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)},
 548
 549 /* 11a japan */
 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)}
 559 };
 560 #endif                          /* SUPPORT_40MHZ */
 561
 562 const locale_info_t *wlc_get_locale_2g(u8 locale_idx)
 563 {
 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));
 568                 return NULL;
 569         }
 570         return g_locale_2g_table[locale_idx];
 571 }
 572
 573 const locale_info_t *wlc_get_locale_5g(u8 locale_idx)
 574 {
 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));
 579                 return NULL;
 580         }
 581         return g_locale_5g_table[locale_idx];
 582 }
 583
 584 const locale_mimo_info_t *wlc_get_mimo_2g(u8 locale_idx)
 585 {
 586         if (locale_idx >= ARRAY_SIZE(g_mimo_2g_table)) {
 587                 WL_ERROR(("%s: mimo 2g index size out of range %d\n", __func__,
 588                           locale_idx));
 589                 return NULL;
 590         }
 591         return g_mimo_2g_table[locale_idx];
 592 }
 593
 594 const locale_mimo_info_t *wlc_get_mimo_5g(u8 locale_idx)
 595 {
 596         if (locale_idx >= ARRAY_SIZE(g_mimo_5g_table)) {
 597                 WL_ERROR(("%s: mimo 5g index size out of range %d\n", __func__,
 598                           locale_idx));
 599                 return NULL;
 600         }
 601         return g_mimo_5g_table[locale_idx];
 602 }
 603
 604 wlc_cm_info_t *wlc_channel_mgr_attach(wlc_info_t *wlc)
 605 {
 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;
 610         char *ccode;
 611
 612         WL_TRACE(("wl%d: wlc_channel_mgr_attach\n", wlc->pub->unit));
 613
 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__));
 617                 return NULL;
 618         }
 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 wlc_channel_mgr_detach(wlc_cm_info_t *wlc_cm)
 650 {
 651         if (wlc_cm)
 652                 kfree(wlc_cm);
 653 }
 654
 655 const char *wlc_channel_country_abbrev(wlc_cm_info_t *wlc_cm)
 656 {
 657         return wlc_cm->country_abbrev;
 658 }
 659
 660 u8 wlc_channel_locale_flags(wlc_cm_info_t *wlc_cm)
 661 {
 662         wlc_info_t *wlc = wlc_cm->wlc;
 663
 664         return wlc_cm->bandstate[wlc->band->bandunit].locale_flags;
 665 }
 666
 667 u8 wlc_channel_locale_flags_in_band(wlc_cm_info_t *wlc_cm, uint bandunit)
 668 {
 669         return wlc_cm->bandstate[bandunit].locale_flags;
 670 }
 671
 672 /* return chanvec for a given country code and band */
 673 bool
 674 wlc_channel_get_chanvec(struct wlc_info *wlc, const char *country_abbrev,
 675                         int bandtype, chanvec_t *channels)
 676 {
 677         const country_info_t *country;
 678         const locale_info_t *locale = NULL;
 679
 680         country = wlc_country_lookup(wlc, country_abbrev);
 681         if (country == NULL)
 682                 return false;
 683
 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);
 688         if (locale == NULL)
 689                 return false;
 690
 691         wlc_locale_get_channels(locale, channels);
 692         return true;
 693 }
 694
 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.
 697  */
 698 int wlc_set_countrycode(wlc_cm_info_t *wlc_cm, const char *ccode)
 699 {
 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);
 703 }
 704
 705 int
 706 wlc_set_countrycode_rev(wlc_cm_info_t *wlc_cm,
 707                         const char *country_abbrev,
 708                         const char *ccode, int regrev)
 709 {
 710         const country_info_t *country;
 711         char mapped_ccode[WLC_CNTRY_BUF_SZ];
 712         uint mapped_regrev;
 713
 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));
 715
 716         /* if regrev is -1, lookup the mapped country code,
 717          * otherwise use the ccode and regrev directly
 718          */
 719         if (regrev == -1) {
 720                 /* map the country code to a built-in country code, regrev, and country_info */
 721                 country =
 722                     wlc_countrycode_map(wlc_cm, ccode, mapped_ccode,
 723                                         &mapped_regrev);
 724         } else {
 725                 /* find the matching built-in country definition */
 726                 ASSERT(0);
 727                 country = wlc_country_lookup_direct(ccode, regrev);
 728                 strncpy(mapped_ccode, ccode, WLC_CNTRY_BUF_SZ);
 729                 mapped_regrev = regrev;
 730         }
 731
 732         if (country == NULL)
 733                 return BCME_BADARG;
 734
 735         /* set the driver state for the country */
 736         wlc_set_country_common(wlc_cm, country_abbrev, mapped_ccode,
 737                                mapped_regrev, country);
 738
 739         return 0;
 740 }
 741
 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.
 744  */
 745 static void
 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)
 750 {
 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];
 755
 756         ASSERT(country != NULL);
 757
 758         /* save current country state */
 759         wlc_cm->country = country;
 760
 761         bzero(&prev_country_abbrev, WLC_CNTRY_BUF_SZ);
 762         strncpy(prev_country_abbrev, wlc_cm->country_abbrev,
 763                 WLC_CNTRY_BUF_SZ - 1);
 764
 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;
 768
 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;
 774         } else {
 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);
 778         }
 779
 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);
 786         } else {
 787                 wlc_set_gmode(wlc, wlc->protection->gmode_user, false);
 788         }
 789
 790         wlc_channels_init(wlc_cm, country);
 791
 792         return;
 793 }
 794
 795 /* Lookup a country info structure from a null terminated country code
 796  * The lookup is case sensitive.
 797  */
 798 const country_info_t *wlc_country_lookup(struct wlc_info *wlc,
 799                                          const char *ccode)
 800 {
 801         const country_info_t *country;
 802         char mapped_ccode[WLC_CNTRY_BUF_SZ];
 803         uint mapped_regrev;
 804
 805         /* map the country code to a built-in country code, regrev, and country_info struct */
 806         country =
 807             wlc_countrycode_map(wlc->cmi, ccode, mapped_ccode, &mapped_regrev);
 808
 809         return country;
 810 }
 811
 812 static const country_info_t *wlc_countrycode_map(wlc_cm_info_t *wlc_cm,
 813                                                  const char *ccode,
 814                                                  char *mapped_ccode,
 815                                                  uint *mapped_regrev)
 816 {
 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;
 821         int mapped;
 822
 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));
 827                 return NULL;
 828         }
 829
 830         /* default mapping is the given ccode and regrev 0 */
 831         strncpy(mapped_ccode, ccode, WLC_CNTRY_BUF_SZ);
 832         *mapped_regrev = 0;
 833
 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.
 837          */
 838         if (!strcmp(srom_ccode, ccode)) {
 839                 *mapped_regrev = srom_regrev;
 840                 mapped = 0;
 841                 WL_ERROR(("srom_code == ccode %s\n", __func__));
 842                 ASSERT(0);
 843         } else {
 844                 mapped =
 845                     wlc_country_aggregate_map(wlc_cm, ccode, mapped_ccode,
 846                                               mapped_regrev);
 847         }
 848
 849         /* find the matching built-in country definition */
 850         country = wlc_country_lookup_direct(mapped_ccode, *mapped_regrev);
 851
 852         /* if there is not an exact rev match, default to rev zero */
 853         if (country == NULL && *mapped_regrev != 0) {
 854                 *mapped_regrev = 0;
 855                 ASSERT(0);
 856                 country =
 857                     wlc_country_lookup_direct(mapped_ccode, *mapped_regrev);
 858         }
 859
 860         return country;
 861 }
 862
 863 static int
 864 wlc_country_aggregate_map(wlc_cm_info_t *wlc_cm, const char *ccode,
 865                           char *mapped_ccode, uint *mapped_regrev)
 866 {
 867         return false;
 868 }
 869
 870 /* Lookup a country info structure from a null terminated country
 871  * abbreviation and regrev directly with no translation.
 872  */
 873 static const country_info_t *wlc_country_lookup_direct(const char *ccode,
 874                                                        uint regrev)
 875 {
 876         uint size, i;
 877
 878         /* Should just return 0 for single locale driver. */
 879         /* Keep it this way in case we add more locales. (for now anyway) */
 880
 881         /* all other country def arrays are for regrev == 0, so if regrev is non-zero, fail */
 882         if (regrev > 0)
 883                 return NULL;
 884
 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;
 890                 }
 891         }
 892
 893         WL_ERROR(("%s: Returning NULL\n", __func__));
 894         ASSERT(0);
 895         return NULL;
 896 }
 897
 898 static int
 899 wlc_channels_init(wlc_cm_info_t *wlc_cm, const country_info_t *country)
 900 {
 901         wlc_info_t *wlc = wlc_cm->wlc;
 902         uint i, j;
 903         wlcband_t *band;
 904         const locale_info_t *li;
 905         chanvec_t sup_chan;
 906         const locale_mimo_info_t *li_mimo;
 907
 908         band = wlc->band;
 909         for (i = 0; i < NBANDS(wlc);
 910              i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
 911
 912                 li = BAND_5G(band->bandtype) ?
 913                     wlc_get_locale_5g(country->locale_5G) :
 914                     wlc_get_locale_2g(country->locale_2G);
 915                 ASSERT(li);
 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);
 920                 ASSERT(li_mimo);
 921
 922                 /* merge the mimo non-mimo locale flags */
 923                 wlc_cm->bandstate[band->bandunit].locale_flags |=
 924                     li_mimo->flags;
 925
 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];
 930
 931                 /* set the channel availability,
 932                  * masking out the channels that may not be supported on this phy
 933                  */
 934                 wlc_phy_chanspec_band_validch(band->pi, band->bandtype,
 935                                               &sup_chan);
 936                 wlc_locale_get_channels(li,
 937                                         &wlc_cm->bandstate[band->bandunit].
 938                                         valid_channels);
 939                 for (j = 0; j < sizeof(chanvec_t); j++)
 940                         wlc_cm->bandstate[band->bandunit].valid_channels.
 941                             vec[j] &= sup_chan.vec[j];
 942         }
 943
 944         wlc_quiet_channels_reset(wlc_cm);
 945         wlc_channels_commit(wlc_cm);
 946
 947         return 0;
 948 }
 949
 950 /* Update the radio state (enable/disable) and tx power targets
 951  * based on a new set of channel/regulatory information
 952  */
 953 static void wlc_channels_commit(wlc_cm_info_t *wlc_cm)
 954 {
 955         wlc_info_t *wlc = wlc_cm->wlc;
 956         uint chan;
 957         struct txpwr_limits txpwr;
 958
 959         /* search for the existence of any valid channel */
 960         for (chan = 0; chan < MAXCHANNEL; chan++) {
 961                 if (VALID_CHANNEL20_DB(wlc, chan)) {
 962                         break;
 963                 }
 964         }
 965         if (chan == MAXCHANNEL)
 966                 chan = INVCHANNEL;
 967
 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));
 973         } else
 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);
 978         }
 979
 980         /* Now that the country abbreviation is set, if the radio supports 2G, then
 981          * set channel 14 restrictions based on the new locale.
 982          */
 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 :
 986                                                      false);
 987         }
 988
 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,
 992                                                                      &txpwr,
 993                                                                      WLC_TXPWR_MAX);
 994                 wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec);
 995         }
 996 }
 997
 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)
1000 {
1001         wlc_info_t *wlc = wlc_cm->wlc;
1002         uint i, j;
1003         wlcband_t *band;
1004         const chanvec_t *chanvec;
1005
1006         bzero(&wlc_cm->quiet_channels, sizeof(chanvec_t));
1007
1008         band = wlc->band;
1009         for (i = 0; i < NBANDS(wlc);
1010              i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
1011
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];
1016
1017         }
1018 }
1019
1020 bool wlc_quiet_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
1021 {
1022         return N_ENAB(wlc_cm->wlc->pub) && CHSPEC_IS40(chspec) ?
1023                 (isset
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->
1028                                                                         quiet_channels.
1029                                                                         vec,
1030                                                                         CHSPEC_CHANNEL
1031                                                                         (chspec));
1032 }
1033
1034 /* Is the channel valid for the current locale? (but don't consider channels not
1035  *   available due to bandlocking)
1036  */
1037 bool wlc_valid_channel20_db(wlc_cm_info_t *wlc_cm, uint val)
1038 {
1039         wlc_info_t *wlc = wlc_cm->wlc;
1040
1041         return VALID_CHANNEL20(wlc, val) ||
1042                 (!wlc->bandlocked
1043                  && VALID_CHANNEL20_IN_BAND(wlc, OTHERBANDUNIT(wlc), val));
1044 }
1045
1046 /* Is the channel valid for the current locale and specified band? */
1047 bool
1048 wlc_valid_channel20_in_band(wlc_cm_info_t *wlc_cm, uint bandunit, uint val)
1049 {
1050         return ((val < MAXCHANNEL)
1051                 && isset(wlc_cm->bandstate[bandunit].valid_channels.vec, val));
1052 }
1053
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)
1056 {
1057         wlc_info_t *wlc = wlc_cm->wlc;
1058
1059         return ((val < MAXCHANNEL) &&
1060                 isset(wlc_cm->bandstate[wlc->band->bandunit].valid_channels.vec,
1061                       val));
1062 }
1063
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)
1066 {
1067         wlc_info_t *wlc = wlc_cm->wlc;
1068
1069         return (((wlc_cm->bandstate[bandunit].
1070                   locale_flags & (WLC_NO_MIMO | WLC_NO_40MHZ)) == 0)
1071                 && wlc->bandstate[bandunit]->mimo_cap_40);
1072 }
1073
1074 static void
1075 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t *wlc_cm,
1076                                                      struct txpwr_limits *txpwr,
1077                                                      u8
1078                                                      local_constraint_qdbm)
1079 {
1080         int j;
1081
1082         /* CCK Rates */
1083         for (j = 0; j < WL_TX_POWER_CCK_NUM; j++) {
1084                 txpwr->cck[j] = min(txpwr->cck[j], local_constraint_qdbm);
1085         }
1086
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);
1090         }
1091
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);
1096         }
1097
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);
1102         }
1103
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);
1108         }
1109
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);
1114         }
1115
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);
1120         }
1121
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);
1126         }
1127
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);
1132
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);
1137         }
1138
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);
1143         }
1144
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);
1149         }
1150
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);
1155
1156         /* 40MHz MCS 32 */
1157         txpwr->mcs32 = min(txpwr->mcs32, local_constraint_qdbm);
1158
1159 }
1160
1161 void
1162 wlc_channel_set_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chanspec,
1163                          u8 local_constraint_qdbm)
1164 {
1165         wlc_info_t *wlc = wlc_cm->wlc;
1166         struct txpwr_limits txpwr;
1167
1168         wlc_channel_reg_limits(wlc_cm, chanspec, &txpwr);
1169
1170         wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm, &txpwr,
1171                                                              local_constraint_qdbm);
1172
1173         wlc_bmac_set_chanspec(wlc->hw, chanspec,
1174                               (wlc_quiet_chanspec(wlc_cm, chanspec) != 0),
1175                               &txpwr);
1176 }
1177
1178 int
1179 wlc_channel_set_txpower_limit(wlc_cm_info_t *wlc_cm,
1180                               u8 local_constraint_qdbm)
1181 {
1182         wlc_info_t *wlc = wlc_cm->wlc;
1183         struct txpwr_limits txpwr;
1184
1185         wlc_channel_reg_limits(wlc_cm, wlc->chanspec, &txpwr);
1186
1187         wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm, &txpwr,
1188                                                              local_constraint_qdbm);
1189
1190         wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec);
1191
1192         return 0;
1193 }
1194
1195 #ifdef POWER_DBG
1196 static void wlc_phy_txpower_limits_dump(txpwr_limits_t *txpwr)
1197 {
1198         int i;
1199         char fraction[4][4] = { "   ", ".25", ".5 ", ".75" };
1200
1201         printf("CCK                ");
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]);
1205         }
1206         printf("\n");
1207
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]);
1212         }
1213         printf("\n");
1214
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]);
1219         }
1220         printf("\n");
1221
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]);
1226         }
1227         printf("\n");
1228
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]);
1233         }
1234         printf("\n");
1235
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]);
1240         }
1241         printf("\n");
1242
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]);
1247         }
1248         printf("\n");
1249
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]);
1254         }
1255         printf("\n");
1256
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]);
1261         }
1262         printf("\n");
1263
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]);
1268         }
1269         printf("\n");
1270
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]);
1275         }
1276         printf("\n");
1277
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]);
1282         }
1283         printf("\n");
1284
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]);
1289         }
1290         printf("\n");
1291
1292         printf("MCS32               %2d%s\n",
1293                txpwr->mcs32 / WLC_TXPWR_DB_FACTOR,
1294                fraction[txpwr->mcs32 % WLC_TXPWR_DB_FACTOR]);
1295 }
1296 #endif                          /* POWER_DBG */
1297
1298 void
1299 wlc_channel_reg_limits(wlc_cm_info_t *wlc_cm, chanspec_t chanspec,
1300                        txpwr_limits_t *txpwr)
1301 {
1302         wlc_info_t *wlc = wlc_cm->wlc;
1303         uint i;
1304         uint chan;
1305         int maxpwr;
1306         int delta;
1307         const country_info_t *country;
1308         wlcband_t *band;
1309         const locale_info_t *li;
1310         int conducted_max;
1311         int conducted_ofdm_max;
1312         const locale_mimo_info_t *li_mimo;
1313         int maxpwr20, maxpwr40;
1314         int maxpwr_idx;
1315         uint j;
1316
1317         bzero(txpwr, sizeof(txpwr_limits_t));
1318
1319         if (!wlc_valid_chanspec_db(wlc_cm, chanspec)) {
1320                 country = wlc_country_lookup(wlc, wlc->autocountry_default);
1321                 if (country == NULL)
1322                         return;
1323         } else {
1324                 country = wlc_cm->country;
1325         }
1326
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);
1332
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);
1336
1337         if (li->flags & WLC_EIRP) {
1338                 delta = band->antgain;
1339         } else {
1340                 delta = 0;
1341                 if (band->antgain > QDB(6))
1342                         delta = band->antgain - QDB(6); /* Excess over 6 dB */
1343         }
1344
1345         if (li == &locale_i) {
1346                 conducted_max = QDB(22);
1347                 conducted_ofdm_max = QDB(22);
1348         }
1349
1350         /* CCK txpwr limits for 2.4G band */
1351         if (BAND_2G(band->bandtype)) {
1352                 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_CCK(chan)];
1353
1354                 maxpwr = maxpwr - delta;
1355                 maxpwr = max(maxpwr, 0);
1356                 maxpwr = min(maxpwr, conducted_max);
1357
1358                 for (i = 0; i < WLC_NUM_RATES_CCK; i++)
1359                         txpwr->cck[i] = (u8) maxpwr;
1360         }
1361
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)];
1365
1366         } else {
1367                 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_5G(chan)];
1368         }
1369
1370         maxpwr = maxpwr - delta;
1371         maxpwr = max(maxpwr, 0);
1372         maxpwr = min(maxpwr, conducted_ofdm_max);
1373
1374         /* Keep OFDM lmit below CCK limit */
1375         if (BAND_2G(band->bandtype))
1376                 maxpwr = min_t(int, maxpwr, txpwr->cck[0]);
1377
1378         for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1379                 txpwr->ofdm[i] = (u8) maxpwr;
1380         }
1381
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.
1387                  */
1388                 txpwr->ofdm_40_siso[i] = 0;
1389
1390                 txpwr->ofdm_cdd[i] = (u8) maxpwr;
1391
1392                 txpwr->ofdm_40_cdd[i] = 0;
1393         }
1394
1395         /* MIMO/HT specific limits */
1396         if (li_mimo->flags & WLC_EIRP) {
1397                 delta = band->antgain;
1398         } else {
1399                 delta = 0;
1400                 if (band->antgain > QDB(6))
1401                         delta = band->antgain - QDB(6); /* Excess over 6 dB */
1402         }
1403
1404         if (BAND_2G(band->bandtype))
1405                 maxpwr_idx = (chan - 1);
1406         else
1407                 maxpwr_idx = CHANNEL_POWER_IDX_5G(chan);
1408
1409         maxpwr20 = li_mimo->maxpwr20[maxpwr_idx];
1410         maxpwr40 = li_mimo->maxpwr40[maxpwr_idx];
1411
1412         maxpwr20 = maxpwr20 - delta;
1413         maxpwr20 = max(maxpwr20, 0);
1414         maxpwr40 = maxpwr40 - delta;
1415         maxpwr40 = max(maxpwr40, 0);
1416
1417         /* Fill in the MCS 0-7 (SISO) rates */
1418         for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1419
1420                 /* 20 MHz has the same power as the corresponding OFDM rate unless
1421                  * overriden by the locale specific code.
1422                  */
1423                 txpwr->mcs_20_siso[i] = txpwr->ofdm[i];
1424                 txpwr->mcs_40_siso[i] = 0;
1425         }
1426
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;
1431         }
1432
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) {
1436                         maxpwr20 = QDB(16);
1437                         maxpwr40 = 0;
1438
1439                         if (chan >= 3 && chan <= 11) {
1440                                 maxpwr40 = QDB(16);
1441                         }
1442                 }
1443
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;
1447                 }
1448         }
1449
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;
1454         }
1455
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;
1460         }
1461
1462         /* Fill in MCS32 */
1463         txpwr->mcs32 = (u8) maxpwr40;
1464
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];
1468                 if (i == 0) {
1469                         i = i + 1;
1470                         if (txpwr->ofdm_40_cdd[i] == 0)
1471                                 txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
1472                 }
1473         }
1474
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.
1477          */
1478
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];
1482         }
1483
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];
1487                 if (i == 0) {
1488                         i = i + 1;
1489                         if (txpwr->ofdm_40_siso[i] == 0)
1490                                 txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
1491                 }
1492         }
1493
1494         /* Copy the 20 and 40 MHz MCS0-7 CDD values to the corresponding STBC values if they weren't
1495          * provided explicitly.
1496          */
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];
1500
1501                 if (txpwr->mcs_40_stbc[i] == 0)
1502                         txpwr->mcs_40_stbc[i] = txpwr->mcs_40_cdd[i];
1503         }
1504
1505 #ifdef POWER_DBG
1506         wlc_phy_txpower_limits_dump(txpwr);
1507 #endif
1508         return;
1509 }
1510
1511 /* Returns true if currently set country is Japan or variant */
1512 bool wlc_japan(struct wlc_info *wlc)
1513 {
1514         return wlc_japan_ccode(wlc->cmi->country_abbrev);
1515 }
1516
1517 /* JP, J1 - J10 are Japan ccodes */
1518 static bool wlc_japan_ccode(const char *ccode)
1519 {
1520         return (ccode[0] == 'J' &&
1521                 (ccode[1] == 'P' || (ccode[1] >= '1' && ccode[1] <= '9')));
1522 }
1523
1524 /*
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
1527  */
1528 static bool
1529 wlc_valid_chanspec_ext(wlc_cm_info_t *wlc_cm, chanspec_t chspec, bool dualband)
1530 {
1531         wlc_info_t *wlc = wlc_cm->wlc;
1532         u8 channel = CHSPEC_CHANNEL(chspec);
1533
1534         /* check the chanspec */
1535         if (wf_chspec_malformed(chspec)) {
1536                 WL_ERROR(("wl%d: malformed chanspec 0x%x\n", wlc->pub->unit,
1537                           chspec));
1538                 ASSERT(0);
1539                 return false;
1540         }
1541
1542         if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) !=
1543             CHSPEC_WLCBANDUNIT(chspec))
1544                 return false;
1545
1546         /* Check a 20Mhz channel */
1547         if (CHSPEC_IS20(chspec)) {
1548                 if (dualband)
1549                         return VALID_CHANNEL20_DB(wlc_cm->wlc, channel);
1550                 else
1551                         return VALID_CHANNEL20(wlc_cm->wlc, channel);
1552         }
1553 #ifdef SUPPORT_40MHZ
1554         /* We know we are now checking a 40MHZ channel, so we should only be here
1555          * for NPHYS
1556          */
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);
1561
1562                 if (!VALID_40CHANSPEC_IN_BAND(wlc, CHSPEC_WLCBANDUNIT(chspec)))
1563                         return false;
1564
1565                 if (dualband) {
1566                         if (!VALID_CHANNEL20_DB(wlc, LOWER_20_SB(channel)) ||
1567                             !VALID_CHANNEL20_DB(wlc, UPPER_20_SB(channel)))
1568                                 return false;
1569                 } else {
1570                         if (!VALID_CHANNEL20(wlc, LOWER_20_SB(channel)) ||
1571                             !VALID_CHANNEL20(wlc, UPPER_20_SB(channel)))
1572                                 return false;
1573                 }
1574
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;
1579                 }
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))
1583                         return true;
1584                 return false;
1585         }
1586 #endif                          /* 40 MHZ */
1587
1588         return false;
1589 }
1590
1591 bool wlc_valid_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
1592 {
1593         return wlc_valid_chanspec_ext(wlc_cm, chspec, false);
1594 }
1595
1596 bool wlc_valid_chanspec_db(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
1597 {
1598         return wlc_valid_chanspec_ext(wlc_cm, chspec, true);
1599 }