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Staging: rtl8192e: Remove pointless returns
[deliverable/linux.git] / drivers / staging / brcm80211 / sys / wlc_channel.c
CommitLineData
a9533e7e
HP		 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
3327989a
BR		 17#include <linux/kernel.h>
18#include <linux/string.h>
a1c16ed2
GKH		 19#include <bcmdefs.h>
20#include <wlc_cfg.h>
21#include <osl.h>
c6ac24e9
BR		 22#include <linux/module.h>
23#include <linux/pci.h>
a9533e7e
HP		 24#include <bcmutils.h>
25#include <siutils.h>
a52ba66c
BR		 26#include <sbhndpio.h>
27#include <sbhnddma.h>
a9533e7e
HP		 28#include <wlioctl.h>
29#include <wlc_pub.h>
30#include <wlc_key.h>
69ec303a 31#include <wlc_event.h>
a9533e7e
HP		 32#include <wlc_mac80211.h>
33#include <wlc_bmac.h>
34#include <wlc_stf.h>
35#include <wlc_channel.h>
69ec303a 36#include <wl_dbg.h>
a9533e7e
HP		 37
38typedef struct wlc_cm_band {
41feb5ed 39 u8 locale_flags; /* locale_info_t flags */
a9533e7e
HP		 40 chanvec_t valid_channels; /* List of valid channels in the country */
41 const chanvec_t *restricted_channels; /* List of restricted use channels */
42 const chanvec_t *radar_channels; /* List of radar sensitive channels */
41feb5ed 43 u8 PAD[8];
a9533e7e
HP		 44} wlc_cm_band_t;
45
46struct wlc_cm_info {
08db27dc 47 struct wlc_pub *pub;
c6a9e1fc 48 struct wlc_info *wlc;
a9533e7e
HP		 49 char srom_ccode[WLC_CNTRY_BUF_SZ]; /* Country Code in SROM */
50 uint srom_regrev; /* Regulatory Rev for the SROM ccode */
51 const country_info_t *country; /* current country def */
52 char ccode[WLC_CNTRY_BUF_SZ]; /* current internal Country Code */
53 uint regrev; /* current Regulatory Revision */
54 char country_abbrev[WLC_CNTRY_BUF_SZ]; /* current advertised ccode */
55 wlc_cm_band_t bandstate[MAXBANDS]; /* per-band state (one per phy/radio) */
56 /* quiet channels currently for radar sensitivity or 11h support */
57 chanvec_t quiet_channels; /* channels on which we cannot transmit */
58};
59
7cc4a4c0
JC		 60static int wlc_channels_init(wlc_cm_info_t *wlc_cm,
61 const country_info_t *country);
62static void wlc_set_country_common(wlc_cm_info_t *wlc_cm,
a9533e7e
HP		 63 const char *country_abbrev,
64 const char *ccode, uint regrev,
7cc4a4c0
JC		 65 const country_info_t *country);
66static int wlc_country_aggregate_map(wlc_cm_info_t *wlc_cm, const char *ccode,
67 char *mapped_ccode, uint *mapped_regrev);
a9533e7e
HP		 68static const country_info_t *wlc_country_lookup_direct(const char *ccode,
69 uint regrev);
7cc4a4c0 70static const country_info_t *wlc_countrycode_map(wlc_cm_info_t *wlc_cm,
a9533e7e
HP		 71 const char *ccode,
72 char *mapped_ccode,
7cc4a4c0
JC		 73 uint *mapped_regrev);
74static void wlc_channels_commit(wlc_cm_info_t *wlc_cm);
a9533e7e
HP		 75static bool wlc_japan_ccode(const char *ccode);
76static void wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t *
77 wlc_cm,
78 struct
79 txpwr_limits
80 *txpwr,
41feb5ed 81 u8
a9533e7e 82 local_constraint_qdbm);
7cc4a4c0 83void wlc_locale_add_channels(chanvec_t *target, const chanvec_t *channels);
41feb5ed
GKH		 84static const locale_mimo_info_t *wlc_get_mimo_2g(u8 locale_idx);
85static const locale_mimo_info_t *wlc_get_mimo_5g(u8 locale_idx);
a9533e7e
HP		 86
87/* QDB() macro takes a dB value and converts to a quarter dB value */
88#ifdef QDB
89#undef QDB
90#endif
91#define QDB(n) ((n) * WLC_TXPWR_DB_FACTOR)
92
93/* Regulatory Matrix Spreadsheet (CLM) MIMO v3.7.9 */
94
95/*
96 * Some common channel sets
97 */
98
99/* No channels */
100static const chanvec_t chanvec_none = {
101 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
102 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
103 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
104 0x00, 0x00, 0x00, 0x00}
105};
106
107/* All 2.4 GHz HW channels */
108const chanvec_t chanvec_all_2G = {
109 {0xfe, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
110 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
111 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
112 0x00, 0x00, 0x00, 0x00}
113};
114
115/* All 5 GHz HW channels */
116const chanvec_t chanvec_all_5G = {
117 {0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x11, 0x11,
118 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11,
119 0x11, 0x11, 0x20, 0x22, 0x22, 0x00, 0x00, 0x11,
120 0x11, 0x11, 0x11, 0x01}
121};
122
123/*
124 * Radar channel sets
125 */
126
127/* No radar */
128#define radar_set_none chanvec_none
129
130static const chanvec_t radar_set1 = { /* Channels 52 - 64, 100 - 140 */
131 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, /* 52 - 60 */
132 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11, /* 64, 100 - 124 */
133 0x11, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 128 - 140 */
134 0x00, 0x00, 0x00, 0x00}
135};
136
137/*
138 * Restricted channel sets
139 */
140
141#define restricted_set_none chanvec_none
142
143/* Channels 34, 38, 42, 46 */
144static const chanvec_t restricted_set_japan_legacy = {
145 {0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
146 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
147 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
148 0x00, 0x00, 0x00, 0x00}
149};
150
151/* Channels 12, 13 */
152static const chanvec_t restricted_set_2g_short = {
153 {0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
154 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
155 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
156 0x00, 0x00, 0x00, 0x00}
157};
158
159/* Channel 165 */
160static const chanvec_t restricted_chan_165 = {
161 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
162 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
163 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
164 0x00, 0x00, 0x00, 0x00}
165};
166
167/* Channels 36 - 48 & 149 - 165 */
168static const chanvec_t restricted_low_hi = {
169 {0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
170 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
171 0x00, 0x00, 0x20, 0x22, 0x22, 0x00, 0x00, 0x00,
172 0x00, 0x00, 0x00, 0x00}
173};
174
175/* Channels 12 - 14 */
176static const chanvec_t restricted_set_12_13_14 = {
177 {0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
178 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
179 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
180 0x00, 0x00, 0x00, 0x00}
181};
182
183#define LOCALE_CHAN_01_11 (1<<0)
184#define LOCALE_CHAN_12_13 (1<<1)
185#define LOCALE_CHAN_14 (1<<2)
186#define LOCALE_SET_5G_LOW_JP1 (1<<3) /* 34-48, step 2 */
187#define LOCALE_SET_5G_LOW_JP2 (1<<4) /* 34-46, step 4 */
188#define LOCALE_SET_5G_LOW1 (1<<5) /* 36-48, step 4 */
189#define LOCALE_SET_5G_LOW2 (1<<6) /* 52 */
190#define LOCALE_SET_5G_LOW3 (1<<7) /* 56-64, step 4 */
191#define LOCALE_SET_5G_MID1 (1<<8) /* 100-116, step 4 */
192#define LOCALE_SET_5G_MID2 (1<<9) /* 120-124, step 4 */
193#define LOCALE_SET_5G_MID3 (1<<10) /* 128 */
194#define LOCALE_SET_5G_HIGH1 (1<<11) /* 132-140, step 4 */
195#define LOCALE_SET_5G_HIGH2 (1<<12) /* 149-161, step 4 */
196#define LOCALE_SET_5G_HIGH3 (1<<13) /* 165 */
197#define LOCALE_CHAN_52_140_ALL (1<<14)
198#define LOCALE_SET_5G_HIGH4 (1<<15) /* 184-216 */
199
0d706ef4
JC		 200#define LOCALE_CHAN_36_64 (LOCALE_SET_5G_LOW1 | LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3)
201#define LOCALE_CHAN_52_64 (LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3)
202#define LOCALE_CHAN_100_124 (LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2)
a9533e7e 203#define LOCALE_CHAN_100_140 \
0d706ef4
JC		 204 (LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2 | LOCALE_SET_5G_MID3 | LOCALE_SET_5G_HIGH1)
205#define LOCALE_CHAN_149_165 (LOCALE_SET_5G_HIGH2 | LOCALE_SET_5G_HIGH3)
a9533e7e
HP		 206#define LOCALE_CHAN_184_216 LOCALE_SET_5G_HIGH4
207
208#define LOCALE_CHAN_01_14 (LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13 | LOCALE_CHAN_14)
209
210#define LOCALE_RADAR_SET_NONE 0
211#define LOCALE_RADAR_SET_1 1
212
213#define LOCALE_RESTRICTED_NONE 0
214#define LOCALE_RESTRICTED_SET_2G_SHORT 1
215#define LOCALE_RESTRICTED_CHAN_165 2
216#define LOCALE_CHAN_ALL_5G 3
217#define LOCALE_RESTRICTED_JAPAN_LEGACY 4
218#define LOCALE_RESTRICTED_11D_2G 5
219#define LOCALE_RESTRICTED_11D_5G 6
220#define LOCALE_RESTRICTED_LOW_HI 7
221#define LOCALE_RESTRICTED_12_13_14 8
222
223/* global memory to provide working buffer for expanded locale */
224
225static const chanvec_t *g_table_radar_set[] = {
226 &chanvec_none,
227 &radar_set1
228};
229
230static const chanvec_t *g_table_restricted_chan[] = {
231 &chanvec_none, /* restricted_set_none */
232 &restricted_set_2g_short,
233 &restricted_chan_165,
234 &chanvec_all_5G,
235 &restricted_set_japan_legacy,
236 &chanvec_all_2G, /* restricted_set_11d_2G */
237 &chanvec_all_5G, /* restricted_set_11d_5G */
238 &restricted_low_hi,
239 &restricted_set_12_13_14
240};
241
242static const chanvec_t locale_2g_01_11 = {
243 {0xfe, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
244 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
245 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
246 0x00, 0x00, 0x00, 0x00}
247};
248
249static const chanvec_t locale_2g_12_13 = {
250 {0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
251 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
252 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
253 0x00, 0x00, 0x00, 0x00}
254};
255
256static const chanvec_t locale_2g_14 = {
257 {0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
258 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
259 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
260 0x00, 0x00, 0x00, 0x00}
261};
262
263static const chanvec_t locale_5g_LOW_JP1 = {
264 {0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x01, 0x00,
265 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
266 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
267 0x00, 0x00, 0x00, 0x00}
268};
269
270static const chanvec_t locale_5g_LOW_JP2 = {
271 {0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
272 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
273 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
274 0x00, 0x00, 0x00, 0x00}
275};
276
277static const chanvec_t locale_5g_LOW1 = {
278 {0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
279 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
280 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
281 0x00, 0x00, 0x00, 0x00}
282};
283
284static const chanvec_t locale_5g_LOW2 = {
285 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
286 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
287 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
288 0x00, 0x00, 0x00, 0x00}
289};
290
291static const chanvec_t locale_5g_LOW3 = {
292 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
293 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
294 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
295 0x00, 0x00, 0x00, 0x00}
296};
297
298static const chanvec_t locale_5g_MID1 = {
299 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
300 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x00,
301 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
302 0x00, 0x00, 0x00, 0x00}
303};
304
305static const chanvec_t locale_5g_MID2 = {
306 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
307 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
308 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
309 0x00, 0x00, 0x00, 0x00}
310};
311
312static const chanvec_t locale_5g_MID3 = {
313 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
314 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
315 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
316 0x00, 0x00, 0x00, 0x00}
317};
318
319static const chanvec_t locale_5g_HIGH1 = {
320 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
321 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
322 0x10, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
323 0x00, 0x00, 0x00, 0x00}
324};
325
326static const chanvec_t locale_5g_HIGH2 = {
327 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
328 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
329 0x00, 0x00, 0x20, 0x22, 0x02, 0x00, 0x00, 0x00,
330 0x00, 0x00, 0x00, 0x00}
331};
332
333static const chanvec_t locale_5g_HIGH3 = {
334 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
335 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
336 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
337 0x00, 0x00, 0x00, 0x00}
338};
339
340static const chanvec_t locale_5g_52_140_ALL = {
341 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11,
342 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
343 0x11, 0x11, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
344 0x00, 0x00, 0x00, 0x00}
345};
346
347static const chanvec_t locale_5g_HIGH4 = {
348 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
349 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
350 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
351 0x11, 0x11, 0x11, 0x11}
352};
353
354static const chanvec_t *g_table_locale_base[] = {
355 &locale_2g_01_11,
356 &locale_2g_12_13,
357 &locale_2g_14,
358 &locale_5g_LOW_JP1,
359 &locale_5g_LOW_JP2,
360 &locale_5g_LOW1,
361 &locale_5g_LOW2,
362 &locale_5g_LOW3,
363 &locale_5g_MID1,
364 &locale_5g_MID2,
365 &locale_5g_MID3,
366 &locale_5g_HIGH1,
367 &locale_5g_HIGH2,
368 &locale_5g_HIGH3,
369 &locale_5g_52_140_ALL,
370 &locale_5g_HIGH4
371};
372
7cc4a4c0 373void wlc_locale_add_channels(chanvec_t *target, const chanvec_t *channels)
a9533e7e 374{
41feb5ed 375 u8 i;
a9533e7e
HP		 376 for (i = 0; i < sizeof(chanvec_t); i++) {
377 target->vec[i] |= channels->vec[i];
378 }
379}
380
7cc4a4c0 381void wlc_locale_get_channels(const locale_info_t *locale, chanvec_t *channels)
a9533e7e 382{
41feb5ed 383 u8 i;
a9533e7e 384
9249ede9 385 memset(channels, 0, sizeof(chanvec_t));
a9533e7e 386
8d3d6a69 387 for (i = 0; i < ARRAY_SIZE(g_table_locale_base); i++) {
a9533e7e
HP		 388 if (locale->valid_channels & (1 << i)) {
389 wlc_locale_add_channels(channels,
390 g_table_locale_base[i]);
391 }
392 }
393}
394
395/*
396 * Locale Definitions - 2.4 GHz
397 */
398static const locale_info_t locale_i = { /* locale i. channel 1 - 13 */
399 LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13,
400 LOCALE_RADAR_SET_NONE,
401 LOCALE_RESTRICTED_SET_2G_SHORT,
402 {QDB(19), QDB(19), QDB(19),
403 QDB(19), QDB(19), QDB(19)},
404 {20, 20, 20, 0},
405 WLC_EIRP
406};
407
408/*
409 * Locale Definitions - 5 GHz
410 */
411static const locale_info_t locale_11 = {
412 /* locale 11. channel 36 - 48, 52 - 64, 100 - 140, 149 - 165 */
413 LOCALE_CHAN_36_64 | LOCALE_CHAN_100_140 | LOCALE_CHAN_149_165,
414 LOCALE_RADAR_SET_1,
415 LOCALE_RESTRICTED_NONE,
416 {QDB(21), QDB(21), QDB(21), QDB(21), QDB(21)},
417 {23, 23, 23, 30, 30},
418 WLC_EIRP | WLC_DFS_EU
419};
420
421#define LOCALE_2G_IDX_i 0
422static const locale_info_t *g_locale_2g_table[] = {
423 &locale_i
424};
425
426#define LOCALE_5G_IDX_11 0
427static const locale_info_t *g_locale_5g_table[] = {
428 &locale_11
429};
430
431/*
432 * MIMO Locale Definitions - 2.4 GHz
433 */
434static const locale_mimo_info_t locale_bn = {
435 {QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
436 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
437 QDB(13), QDB(13), QDB(13)},
438 {0, 0, QDB(13), QDB(13), QDB(13),
439 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
440 QDB(13), 0, 0},
441 0
442};
443
444/* locale mimo 2g indexes */
445#define LOCALE_MIMO_IDX_bn 0
446
447static const locale_mimo_info_t *g_mimo_2g_table[] = {
448 &locale_bn
449};
450
451/*
452 * MIMO Locale Definitions - 5 GHz
453 */
454static const locale_mimo_info_t locale_11n = {
455 { /* 12.5 dBm */ 50, 50, 50, QDB(15), QDB(15)},
456 {QDB(14), QDB(15), QDB(15), QDB(15), QDB(15)},
457 0
458};
459
460#define LOCALE_MIMO_IDX_11n 0
461static const locale_mimo_info_t *g_mimo_5g_table[] = {
462 &locale_11n
463};
464
465#ifdef LC
466#undef LC
467#endif
468#define LC(id) LOCALE_MIMO_IDX_ ## id
469
470#ifdef LC_2G
471#undef LC_2G
472#endif
473#define LC_2G(id) LOCALE_2G_IDX_ ## id
474
475#ifdef LC_5G
476#undef LC_5G
477#endif
478#define LC_5G(id) LOCALE_5G_IDX_ ## id
479
480#define LOCALES(band2, band5, mimo2, mimo5) {LC_2G(band2), LC_5G(band5), LC(mimo2), LC(mimo5)}
481
482static const struct {
483 char abbrev[WLC_CNTRY_BUF_SZ]; /* country abbreviation */
484 country_info_t country;
485} cntry_locales[] = {
486 {
487 "X2", LOCALES(i, 11, bn, 11n)}, /* Worldwide RoW 2 */
488};
489
490#ifdef SUPPORT_40MHZ
491/* 20MHz channel info for 40MHz pairing support */
492struct chan20_info {
41feb5ed
GKH		 493 u8 sb;
494 u8 adj_sbs;
a9533e7e
HP		 495};
496
497/* indicates adjacent channels that are allowed for a 40 Mhz channel and
498 * those that permitted by the HT
499 */
500struct chan20_info chan20_info[] = {
501 /* 11b/11g */
502/* 0 */ {1, (CH_UPPER_SB | CH_EWA_VALID)},
503/* 1 */ {2, (CH_UPPER_SB | CH_EWA_VALID)},
504/* 2 */ {3, (CH_UPPER_SB | CH_EWA_VALID)},
505/* 3 */ {4, (CH_UPPER_SB | CH_EWA_VALID)},
506/* 4 */ {5, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
507/* 5 */ {6, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
508/* 6 */ {7, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
509/* 7 */ {8, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
510/* 8 */ {9, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
511/* 9 */ {10, (CH_LOWER_SB | CH_EWA_VALID)},
512/* 10 */ {11, (CH_LOWER_SB | CH_EWA_VALID)},
513/* 11 */ {12, (CH_LOWER_SB)},
514/* 12 */ {13, (CH_LOWER_SB)},
515/* 13 */ {14, (CH_LOWER_SB)},
516
517/* 11a japan high */
518/* 14 */ {34, (CH_UPPER_SB)},
519/* 15 */ {38, (CH_LOWER_SB)},
520/* 16 */ {42, (CH_LOWER_SB)},
521/* 17 */ {46, (CH_LOWER_SB)},
522
523/* 11a usa low */
524/* 18 */ {36, (CH_UPPER_SB | CH_EWA_VALID)},
525/* 19 */ {40, (CH_LOWER_SB | CH_EWA_VALID)},
526/* 20 */ {44, (CH_UPPER_SB | CH_EWA_VALID)},
527/* 21 */ {48, (CH_LOWER_SB | CH_EWA_VALID)},
528/* 22 */ {52, (CH_UPPER_SB | CH_EWA_VALID)},
529/* 23 */ {56, (CH_LOWER_SB | CH_EWA_VALID)},
530/* 24 */ {60, (CH_UPPER_SB | CH_EWA_VALID)},
531/* 25 */ {64, (CH_LOWER_SB | CH_EWA_VALID)},
532
533/* 11a Europe */
534/* 26 */ {100, (CH_UPPER_SB | CH_EWA_VALID)},
535/* 27 */ {104, (CH_LOWER_SB | CH_EWA_VALID)},
536/* 28 */ {108, (CH_UPPER_SB | CH_EWA_VALID)},
537/* 29 */ {112, (CH_LOWER_SB | CH_EWA_VALID)},
538/* 30 */ {116, (CH_UPPER_SB | CH_EWA_VALID)},
539/* 31 */ {120, (CH_LOWER_SB | CH_EWA_VALID)},
540/* 32 */ {124, (CH_UPPER_SB | CH_EWA_VALID)},
541/* 33 */ {128, (CH_LOWER_SB | CH_EWA_VALID)},
542/* 34 */ {132, (CH_UPPER_SB | CH_EWA_VALID)},
543/* 35 */ {136, (CH_LOWER_SB | CH_EWA_VALID)},
544/* 36 */ {140, (CH_LOWER_SB)},
545
546/* 11a usa high, ref5 only */
547/* The 0x80 bit in pdiv means these are REF5, other entries are REF20 */
548/* 37 */ {149, (CH_UPPER_SB | CH_EWA_VALID)},
549/* 38 */ {153, (CH_LOWER_SB | CH_EWA_VALID)},
550/* 39 */ {157, (CH_UPPER_SB | CH_EWA_VALID)},
551/* 40 */ {161, (CH_LOWER_SB | CH_EWA_VALID)},
552/* 41 */ {165, (CH_LOWER_SB)},
553
554/* 11a japan */
555/* 42 */ {184, (CH_UPPER_SB)},
556/* 43 */ {188, (CH_LOWER_SB)},
557/* 44 */ {192, (CH_UPPER_SB)},
558/* 45 */ {196, (CH_LOWER_SB)},
559/* 46 */ {200, (CH_UPPER_SB)},
560/* 47 */ {204, (CH_LOWER_SB)},
561/* 48 */ {208, (CH_UPPER_SB)},
562/* 49 */ {212, (CH_LOWER_SB)},
563/* 50 */ {216, (CH_LOWER_SB)}
564};
565#endif /* SUPPORT_40MHZ */
566
41feb5ed 567const locale_info_t *wlc_get_locale_2g(u8 locale_idx)
a9533e7e 568{
8d3d6a69 569 if (locale_idx >= ARRAY_SIZE(g_locale_2g_table)) {
f4528696
JP		 570 WL_ERROR("%s: locale 2g index size out of range %d\n",
571 __func__, locale_idx);
8d3d6a69 572 ASSERT(locale_idx < ARRAY_SIZE(g_locale_2g_table));
a9533e7e
HP		 573 return NULL;
574 }
575 return g_locale_2g_table[locale_idx];
576}
577
41feb5ed 578const locale_info_t *wlc_get_locale_5g(u8 locale_idx)
a9533e7e 579{
8d3d6a69 580 if (locale_idx >= ARRAY_SIZE(g_locale_5g_table)) {
f4528696
JP		 581 WL_ERROR("%s: locale 5g index size out of range %d\n",
582 __func__, locale_idx);
8d3d6a69 583 ASSERT(locale_idx < ARRAY_SIZE(g_locale_5g_table));
a9533e7e
HP		 584 return NULL;
585 }
586 return g_locale_5g_table[locale_idx];
587}
588
41feb5ed 589const locale_mimo_info_t *wlc_get_mimo_2g(u8 locale_idx)
a9533e7e 590{
8d3d6a69 591 if (locale_idx >= ARRAY_SIZE(g_mimo_2g_table)) {
f4528696
JP		 592 WL_ERROR("%s: mimo 2g index size out of range %d\n",
593 __func__, locale_idx);
a9533e7e
HP		 594 return NULL;
595 }
596 return g_mimo_2g_table[locale_idx];
597}
598
41feb5ed 599const locale_mimo_info_t *wlc_get_mimo_5g(u8 locale_idx)
a9533e7e 600{
8d3d6a69 601 if (locale_idx >= ARRAY_SIZE(g_mimo_5g_table)) {
f4528696
JP		 602 WL_ERROR("%s: mimo 5g index size out of range %d\n",
603 __func__, locale_idx);
a9533e7e
HP		 604 return NULL;
605 }
606 return g_mimo_5g_table[locale_idx];
607}
608
c6a9e1fc 609wlc_cm_info_t *wlc_channel_mgr_attach(struct wlc_info *wlc)
a2627bc0 610{
a9533e7e
HP		 611 wlc_cm_info_t *wlc_cm;
612 char country_abbrev[WLC_CNTRY_BUF_SZ];
613 const country_info_t *country;
08db27dc 614 struct wlc_pub *pub = wlc->pub;
a9533e7e
HP		 615 char *ccode;
616
f4528696 617 WL_TRACE("wl%d: wlc_channel_mgr_attach\n", wlc->pub->unit);
a9533e7e 618
5fcc1fcb 619 wlc_cm = kzalloc(sizeof(wlc_cm_info_t), GFP_ATOMIC);
ca8c1e59 620 if (wlc_cm == NULL) {
f4528696 621 WL_ERROR("wl%d: %s: out of memory", pub->unit, __func__);
a9533e7e
HP		 622 return NULL;
623 }
a9533e7e
HP		 624 wlc_cm->pub = pub;
625 wlc_cm->wlc = wlc;
626 wlc->cmi = wlc_cm;
627
628 /* store the country code for passing up as a regulatory hint */
629 ccode = getvar(wlc->pub->vars, "ccode");
630 if (ccode) {
631 strncpy(wlc->pub->srom_ccode, ccode, WLC_CNTRY_BUF_SZ - 1);
f4528696
JP		 632 WL_NONE("%s: SROM country code is %c%c\n",
633 __func__,
634 wlc->pub->srom_ccode[0], wlc->pub->srom_ccode[1]);
a9533e7e
HP		 635 }
636
637 /* internal country information which must match regulatory constraints in firmware */
9249ede9 638 memset(country_abbrev, 0, WLC_CNTRY_BUF_SZ);
a9533e7e
HP		 639 strncpy(country_abbrev, "X2", sizeof(country_abbrev) - 1);
640 country = wlc_country_lookup(wlc, country_abbrev);
641
642 ASSERT(country != NULL);
643
644 /* save default country for exiting 11d regulatory mode */
645 strncpy(wlc->country_default, country_abbrev, WLC_CNTRY_BUF_SZ - 1);
646
647 /* initialize autocountry_default to driver default */
648 strncpy(wlc->autocountry_default, "X2", WLC_CNTRY_BUF_SZ - 1);
649
650 wlc_set_countrycode(wlc_cm, country_abbrev);
651
652 return wlc_cm;
653}
654
0d2f0724 655void wlc_channel_mgr_detach(wlc_cm_info_t *wlc_cm)
a2627bc0 656{
a9533e7e 657 if (wlc_cm)
182acb3c 658 kfree(wlc_cm);
a9533e7e
HP		 659}
660
7cc4a4c0 661const char *wlc_channel_country_abbrev(wlc_cm_info_t *wlc_cm)
a9533e7e
HP		 662{
663 return wlc_cm->country_abbrev;
664}
665
41feb5ed 666u8 wlc_channel_locale_flags(wlc_cm_info_t *wlc_cm)
a9533e7e 667{
c6a9e1fc 668 struct wlc_info *wlc = wlc_cm->wlc;
a9533e7e
HP		 669
670 return wlc_cm->bandstate[wlc->band->bandunit].locale_flags;
671}
672
41feb5ed 673u8 wlc_channel_locale_flags_in_band(wlc_cm_info_t *wlc_cm, uint bandunit)
a9533e7e
HP		 674{
675 return wlc_cm->bandstate[bandunit].locale_flags;
676}
677
678/* return chanvec for a given country code and band */
679bool
7cc4a4c0
JC		 680wlc_channel_get_chanvec(struct wlc_info *wlc, const char *country_abbrev,
681 int bandtype, chanvec_t *channels)
a9533e7e
HP		 682{
683 const country_info_t *country;
684 const locale_info_t *locale = NULL;
685
686 country = wlc_country_lookup(wlc, country_abbrev);
687 if (country == NULL)
0965ae88 688 return false;
a9533e7e
HP		 689
690 if (bandtype == WLC_BAND_2G)
691 locale = wlc_get_locale_2g(country->locale_2G);
692 else if (bandtype == WLC_BAND_5G)
693 locale = wlc_get_locale_5g(country->locale_5G);
694 if (locale == NULL)
0965ae88 695 return false;
a9533e7e
HP		 696
697 wlc_locale_get_channels(locale, channels);
0f0881b0 698 return true;
a9533e7e
HP		 699}
700
701/* set the driver's current country and regulatory information using a country code
702 * as the source. Lookup built in country information found with the country code.
703 */
7cc4a4c0 704int wlc_set_countrycode(wlc_cm_info_t *wlc_cm, const char *ccode)
a9533e7e
HP		 705{
706 char country_abbrev[WLC_CNTRY_BUF_SZ];
707 strncpy(country_abbrev, ccode, WLC_CNTRY_BUF_SZ);
708 return wlc_set_countrycode_rev(wlc_cm, country_abbrev, ccode, -1);
709}
710
711int
7cc4a4c0 712wlc_set_countrycode_rev(wlc_cm_info_t *wlc_cm,
a9533e7e
HP		 713 const char *country_abbrev,
714 const char *ccode, int regrev)
715{
716 const country_info_t *country;
717 char mapped_ccode[WLC_CNTRY_BUF_SZ];
718 uint mapped_regrev;
719
f4528696
JP		 720 WL_NONE("%s: (country_abbrev \"%s\", ccode \"%s\", regrev %d) SPROM \"%s\"/%u\n",
721 __func__, country_abbrev, ccode, regrev,
722 wlc_cm->srom_ccode, wlc_cm->srom_regrev);
a9533e7e
HP		 723
724 /* if regrev is -1, lookup the mapped country code,
725 * otherwise use the ccode and regrev directly
726 */
727 if (regrev == -1) {
728 /* map the country code to a built-in country code, regrev, and country_info */
729 country =
730 wlc_countrycode_map(wlc_cm, ccode, mapped_ccode,
731 &mapped_regrev);
732 } else {
733 /* find the matching built-in country definition */
734 ASSERT(0);
735 country = wlc_country_lookup_direct(ccode, regrev);
736 strncpy(mapped_ccode, ccode, WLC_CNTRY_BUF_SZ);
737 mapped_regrev = regrev;
738 }
739
740 if (country == NULL)
741 return BCME_BADARG;
742
743 /* set the driver state for the country */
744 wlc_set_country_common(wlc_cm, country_abbrev, mapped_ccode,
745 mapped_regrev, country);
746
747 return 0;
748}
749
750/* set the driver's current country and regulatory information using a country code
751 * as the source. Look up built in country information found with the country code.
752 */
753static void
7cc4a4c0 754wlc_set_country_common(wlc_cm_info_t *wlc_cm,
a9533e7e
HP		 755 const char *country_abbrev,
756 const char *ccode, uint regrev,
7cc4a4c0 757 const country_info_t *country)
a9533e7e
HP		 758{
759 const locale_mimo_info_t *li_mimo;
760 const locale_info_t *locale;
c6a9e1fc 761 struct wlc_info *wlc = wlc_cm->wlc;
a9533e7e
HP		 762 char prev_country_abbrev[WLC_CNTRY_BUF_SZ];
763
764 ASSERT(country != NULL);
765
766 /* save current country state */
767 wlc_cm->country = country;
768
9249ede9 769 memset(&prev_country_abbrev, 0, WLC_CNTRY_BUF_SZ);
a9533e7e
HP		 770 strncpy(prev_country_abbrev, wlc_cm->country_abbrev,
771 WLC_CNTRY_BUF_SZ - 1);
772
773 strncpy(wlc_cm->country_abbrev, country_abbrev, WLC_CNTRY_BUF_SZ - 1);
774 strncpy(wlc_cm->ccode, ccode, WLC_CNTRY_BUF_SZ - 1);
775 wlc_cm->regrev = regrev;
776
777 /* disable/restore nmode based on country regulations */
778 li_mimo = wlc_get_mimo_2g(country->locale_mimo_2G);
779 if (li_mimo && (li_mimo->flags & WLC_NO_MIMO)) {
780 wlc_set_nmode(wlc, OFF);
0f0881b0 781 wlc->stf->no_cddstbc = true;
a9533e7e 782 } else {
0965ae88 783 wlc->stf->no_cddstbc = false;
a9533e7e
HP		 784 if (N_ENAB(wlc->pub) != wlc->protection->nmode_user)
785 wlc_set_nmode(wlc, wlc->protection->nmode_user);
786 }
787
788 wlc_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]);
789 wlc_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]);
790 /* set or restore gmode as required by regulatory */
791 locale = wlc_get_locale_2g(country->locale_2G);
792 if (locale && (locale->flags & WLC_NO_OFDM)) {
0965ae88 793 wlc_set_gmode(wlc, GMODE_LEGACY_B, false);
a9533e7e 794 } else {
0965ae88 795 wlc_set_gmode(wlc, wlc->protection->gmode_user, false);
a9533e7e
HP		 796 }
797
798 wlc_channels_init(wlc_cm, country);
799
800 return;
801}
802
803/* Lookup a country info structure from a null terminated country code
804 * The lookup is case sensitive.
805 */
806const country_info_t *wlc_country_lookup(struct wlc_info *wlc,
807 const char *ccode)
808{
809 const country_info_t *country;
810 char mapped_ccode[WLC_CNTRY_BUF_SZ];
811 uint mapped_regrev;
812
813 /* map the country code to a built-in country code, regrev, and country_info struct */
814 country =
815 wlc_countrycode_map(wlc->cmi, ccode, mapped_ccode, &mapped_regrev);
816
817 return country;
818}
819
7cc4a4c0 820static const country_info_t *wlc_countrycode_map(wlc_cm_info_t *wlc_cm,
a9533e7e
HP		 821 const char *ccode,
822 char *mapped_ccode,
7cc4a4c0 823 uint *mapped_regrev)
a9533e7e 824{
c6a9e1fc 825 struct wlc_info *wlc = wlc_cm->wlc;
a9533e7e
HP		 826 const country_info_t *country;
827 uint srom_regrev = wlc_cm->srom_regrev;
828 const char *srom_ccode = wlc_cm->srom_ccode;
829 int mapped;
830
831 /* check for currently supported ccode size */
832 if (strlen(ccode) > (WLC_CNTRY_BUF_SZ - 1)) {
f4528696
JP		 833 WL_ERROR("wl%d: %s: ccode \"%s\" too long for match\n",
834 wlc->pub->unit, __func__, ccode);
a9533e7e
HP		 835 return NULL;
836 }
837
838 /* default mapping is the given ccode and regrev 0 */
839 strncpy(mapped_ccode, ccode, WLC_CNTRY_BUF_SZ);
840 *mapped_regrev = 0;
841
842 /* If the desired country code matches the srom country code,
843 * then the mapped country is the srom regulatory rev.
844 * Otherwise look for an aggregate mapping.
845 */
846 if (!strcmp(srom_ccode, ccode)) {
847 *mapped_regrev = srom_regrev;
848 mapped = 0;
f4528696 849 WL_ERROR("srom_code == ccode %s\n", __func__);
a9533e7e
HP		 850 ASSERT(0);
851 } else {
852 mapped =
853 wlc_country_aggregate_map(wlc_cm, ccode, mapped_ccode,
854 mapped_regrev);
855 }
856
857 /* find the matching built-in country definition */
858 country = wlc_country_lookup_direct(mapped_ccode, *mapped_regrev);
859
860 /* if there is not an exact rev match, default to rev zero */
861 if (country == NULL && *mapped_regrev != 0) {
862 *mapped_regrev = 0;
863 ASSERT(0);
864 country =
865 wlc_country_lookup_direct(mapped_ccode, *mapped_regrev);
866 }
867
868 return country;
869}
870
871static int
7cc4a4c0
JC		 872wlc_country_aggregate_map(wlc_cm_info_t *wlc_cm, const char *ccode,
873 char *mapped_ccode, uint *mapped_regrev)
a9533e7e 874{
0965ae88 875 return false;
a9533e7e
HP		 876}
877
878/* Lookup a country info structure from a null terminated country
879 * abbreviation and regrev directly with no translation.
880 */
881static const country_info_t *wlc_country_lookup_direct(const char *ccode,
882 uint regrev)
883{
884 uint size, i;
885
886 /* Should just return 0 for single locale driver. */
887 /* Keep it this way in case we add more locales. (for now anyway) */
888
889 /* all other country def arrays are for regrev == 0, so if regrev is non-zero, fail */
890 if (regrev > 0)
891 return NULL;
892
893 /* find matched table entry from country code */
8d3d6a69 894 size = ARRAY_SIZE(cntry_locales);
a9533e7e
HP		 895 for (i = 0; i < size; i++) {
896 if (strcmp(ccode, cntry_locales[i].abbrev) == 0) {
897 return &cntry_locales[i].country;
898 }
899 }
900
f4528696 901 WL_ERROR("%s: Returning NULL\n", __func__);
a9533e7e
HP		 902 ASSERT(0);
903 return NULL;
904}
905
906static int
7cc4a4c0 907wlc_channels_init(wlc_cm_info_t *wlc_cm, const country_info_t *country)
a9533e7e 908{
c6a9e1fc 909 struct wlc_info *wlc = wlc_cm->wlc;
a9533e7e 910 uint i, j;
f077f718 911 struct wlcband *band;
a9533e7e
HP		 912 const locale_info_t *li;
913 chanvec_t sup_chan;
914 const locale_mimo_info_t *li_mimo;
915
916 band = wlc->band;
917 for (i = 0; i < NBANDS(wlc);
918 i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
919
920 li = BAND_5G(band->bandtype) ?
921 wlc_get_locale_5g(country->locale_5G) :
922 wlc_get_locale_2g(country->locale_2G);
923 ASSERT(li);
924 wlc_cm->bandstate[band->bandunit].locale_flags = li->flags;
925 li_mimo = BAND_5G(band->bandtype) ?
926 wlc_get_mimo_5g(country->locale_mimo_5G) :
927 wlc_get_mimo_2g(country->locale_mimo_2G);
928 ASSERT(li_mimo);
929
930 /* merge the mimo non-mimo locale flags */
931 wlc_cm->bandstate[band->bandunit].locale_flags |=
932 li_mimo->flags;
933
934 wlc_cm->bandstate[band->bandunit].restricted_channels =
935 g_table_restricted_chan[li->restricted_channels];
936 wlc_cm->bandstate[band->bandunit].radar_channels =
937 g_table_radar_set[li->radar_channels];
938
939 /* set the channel availability,
940 * masking out the channels that may not be supported on this phy
941 */
942 wlc_phy_chanspec_band_validch(band->pi, band->bandtype,
943 &sup_chan);
944 wlc_locale_get_channels(li,
945 &wlc_cm->bandstate[band->bandunit].
946 valid_channels);
947 for (j = 0; j < sizeof(chanvec_t); j++)
948 wlc_cm->bandstate[band->bandunit].valid_channels.
949 vec[j] &= sup_chan.vec[j];
950 }
951
952 wlc_quiet_channels_reset(wlc_cm);
953 wlc_channels_commit(wlc_cm);
954
90ea2296 955 return 0;
a9533e7e
HP		 956}
957
958/* Update the radio state (enable/disable) and tx power targets
959 * based on a new set of channel/regulatory information
960 */
7cc4a4c0 961static void wlc_channels_commit(wlc_cm_info_t *wlc_cm)
a9533e7e 962{
c6a9e1fc 963 struct wlc_info *wlc = wlc_cm->wlc;
a9533e7e
HP		 964 uint chan;
965 struct txpwr_limits txpwr;
966
967 /* search for the existence of any valid channel */
968 for (chan = 0; chan < MAXCHANNEL; chan++) {
969 if (VALID_CHANNEL20_DB(wlc, chan)) {
970 break;
971 }
972 }
973 if (chan == MAXCHANNEL)
974 chan = INVCHANNEL;
975
976 /* based on the channel search above, set or clear WL_RADIO_COUNTRY_DISABLE */
977 if (chan == INVCHANNEL) {
978 /* country/locale with no valid channels, set the radio disable bit */
979 mboolset(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
f4528696
JP		 980 WL_ERROR("wl%d: %s: no valid channel for \"%s\" nbands %d bandlocked %d\n",
981 wlc->pub->unit, __func__,
982 wlc_cm->country_abbrev, NBANDS(wlc), wlc->bandlocked);
a9533e7e 983 } else
e5c4536f
JC		 984 if (mboolisset(wlc->pub->radio_disabled,
985 WL_RADIO_COUNTRY_DISABLE)) {
a9533e7e
HP		 986 /* country/locale with valid channel, clear the radio disable bit */
987 mboolclr(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
988 }
989
990 /* Now that the country abbreviation is set, if the radio supports 2G, then
991 * set channel 14 restrictions based on the new locale.
992 */
993 if (NBANDS(wlc) > 1 || BAND_2G(wlc->band->bandtype)) {
994 wlc_phy_chanspec_ch14_widefilter_set(wlc->band->pi,
0f0881b0 995 wlc_japan(wlc) ? true :
0965ae88 996 false);
a9533e7e
HP		 997 }
998
999 if (wlc->pub->up && chan != INVCHANNEL) {
1000 wlc_channel_reg_limits(wlc_cm, wlc->chanspec, &txpwr);
1001 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm,
1002 &txpwr,
1003 WLC_TXPWR_MAX);
1004 wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec);
1005 }
1006}
1007
1008/* reset the quiet channels vector to the union of the restricted and radar channel sets */
7cc4a4c0 1009void wlc_quiet_channels_reset(wlc_cm_info_t *wlc_cm)
a9533e7e 1010{
c6a9e1fc 1011 struct wlc_info *wlc = wlc_cm->wlc;
a9533e7e 1012 uint i, j;
f077f718 1013 struct wlcband *band;
a9533e7e
HP		 1014 const chanvec_t *chanvec;
1015
9249ede9 1016 memset(&wlc_cm->quiet_channels, 0, sizeof(chanvec_t));
a9533e7e
HP		 1017
1018 band = wlc->band;
1019 for (i = 0; i < NBANDS(wlc);
1020 i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
1021
1022 /* initialize quiet channels for restricted channels */
1023 chanvec = wlc_cm->bandstate[band->bandunit].restricted_channels;
1024 for (j = 0; j < sizeof(chanvec_t); j++)
1025 wlc_cm->quiet_channels.vec[j] |= chanvec->vec[j];
1026
1027 }
1028}
1029
7cc4a4c0 1030bool wlc_quiet_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
a9533e7e 1031{
90ea2296 1032 return N_ENAB(wlc_cm->wlc->pub) && CHSPEC_IS40(chspec) ?
a9533e7e
HP		 1033 (isset
1034 (wlc_cm->quiet_channels.vec,
1035 LOWER_20_SB(CHSPEC_CHANNEL(chspec)))
1036 || isset(wlc_cm->quiet_channels.vec,
1037 UPPER_20_SB(CHSPEC_CHANNEL(chspec)))) : isset(wlc_cm->
1038 quiet_channels.
1039 vec,
1040 CHSPEC_CHANNEL
90ea2296 1041 (chspec));
a9533e7e
HP		 1042}
1043
1044/* Is the channel valid for the current locale? (but don't consider channels not
1045 * available due to bandlocking)
1046 */
7cc4a4c0 1047bool wlc_valid_channel20_db(wlc_cm_info_t *wlc_cm, uint val)
a9533e7e 1048{
c6a9e1fc 1049 struct wlc_info *wlc = wlc_cm->wlc;
a9533e7e 1050
90ea2296 1051 return VALID_CHANNEL20(wlc, val) ||
a9533e7e 1052 (!wlc->bandlocked
90ea2296 1053 && VALID_CHANNEL20_IN_BAND(wlc, OTHERBANDUNIT(wlc), val));
a9533e7e
HP		 1054}
1055
1056/* Is the channel valid for the current locale and specified band? */
1057bool
7cc4a4c0 1058wlc_valid_channel20_in_band(wlc_cm_info_t *wlc_cm, uint bandunit, uint val)
a9533e7e
HP		 1059{
1060 return ((val < MAXCHANNEL)
1061 && isset(wlc_cm->bandstate[bandunit].valid_channels.vec, val));
1062}
1063
1064/* Is the channel valid for the current locale and current band? */
7cc4a4c0 1065bool wlc_valid_channel20(wlc_cm_info_t *wlc_cm, uint val)
a9533e7e 1066{
c6a9e1fc 1067 struct wlc_info *wlc = wlc_cm->wlc;
a9533e7e
HP		 1068
1069 return ((val < MAXCHANNEL) &&
1070 isset(wlc_cm->bandstate[wlc->band->bandunit].valid_channels.vec,
1071 val));
1072}
1073
1074/* Is the 40 MHz allowed for the current locale and specified band? */
7cc4a4c0 1075bool wlc_valid_40chanspec_in_band(wlc_cm_info_t *wlc_cm, uint bandunit)
a9533e7e 1076{
c6a9e1fc 1077 struct wlc_info *wlc = wlc_cm->wlc;
a9533e7e
HP		 1078
1079 return (((wlc_cm->bandstate[bandunit].
1080 locale_flags & (WLC_NO_MIMO | WLC_NO_40MHZ)) == 0)
1081 && wlc->bandstate[bandunit]->mimo_cap_40);
1082}
1083
1084static void
7cc4a4c0 1085wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t *wlc_cm,
a9533e7e 1086 struct txpwr_limits *txpwr,
41feb5ed 1087 u8
a9533e7e
HP		 1088 local_constraint_qdbm)
1089{
1090 int j;
1091
1092 /* CCK Rates */
1093 for (j = 0; j < WL_TX_POWER_CCK_NUM; j++) {
7068c2f1 1094 txpwr->cck[j] = min(txpwr->cck[j], local_constraint_qdbm);
a9533e7e
HP		 1095 }
1096
1097 /* 20 MHz Legacy OFDM SISO */
1098 for (j = 0; j < WL_TX_POWER_OFDM_NUM; j++) {
7068c2f1 1099 txpwr->ofdm[j] = min(txpwr->ofdm[j], local_constraint_qdbm);
a9533e7e
HP		 1100 }
1101
1102 /* 20 MHz Legacy OFDM CDD */
1103 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1104 txpwr->ofdm_cdd[j] =
7068c2f1 1105 min(txpwr->ofdm_cdd[j], local_constraint_qdbm);
a9533e7e
HP		 1106 }
1107
1108 /* 40 MHz Legacy OFDM SISO */
1109 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1110 txpwr->ofdm_40_siso[j] =
7068c2f1 1111 min(txpwr->ofdm_40_siso[j], local_constraint_qdbm);
a9533e7e
HP		 1112 }
1113
1114 /* 40 MHz Legacy OFDM CDD */
1115 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1116 txpwr->ofdm_40_cdd[j] =
7068c2f1 1117 min(txpwr->ofdm_40_cdd[j], local_constraint_qdbm);
a9533e7e
HP		 1118 }
1119
1120 /* 20MHz MCS 0-7 SISO */
1121 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1122 txpwr->mcs_20_siso[j] =
7068c2f1 1123 min(txpwr->mcs_20_siso[j], local_constraint_qdbm);
a9533e7e
HP		 1124 }
1125
1126 /* 20MHz MCS 0-7 CDD */
1127 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1128 txpwr->mcs_20_cdd[j] =
7068c2f1 1129 min(txpwr->mcs_20_cdd[j], local_constraint_qdbm);
a9533e7e
HP		 1130 }
1131
1132 /* 20MHz MCS 0-7 STBC */
1133 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1134 txpwr->mcs_20_stbc[j] =
7068c2f1 1135 min(txpwr->mcs_20_stbc[j], local_constraint_qdbm);
a9533e7e
HP		 1136 }
1137
1138 /* 20MHz MCS 8-15 MIMO */
1139 for (j = 0; j < WLC_NUM_RATES_MCS_2_STREAM; j++)
1140 txpwr->mcs_20_mimo[j] =
7068c2f1 1141 min(txpwr->mcs_20_mimo[j], local_constraint_qdbm);
a9533e7e
HP		 1142
1143 /* 40MHz MCS 0-7 SISO */
1144 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1145 txpwr->mcs_40_siso[j] =
7068c2f1 1146 min(txpwr->mcs_40_siso[j], local_constraint_qdbm);
a9533e7e
HP		 1147 }
1148
1149 /* 40MHz MCS 0-7 CDD */
1150 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1151 txpwr->mcs_40_cdd[j] =
7068c2f1 1152 min(txpwr->mcs_40_cdd[j], local_constraint_qdbm);
a9533e7e
HP		 1153 }
1154
1155 /* 40MHz MCS 0-7 STBC */
1156 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1157 txpwr->mcs_40_stbc[j] =
7068c2f1 1158 min(txpwr->mcs_40_stbc[j], local_constraint_qdbm);
a9533e7e
HP		 1159 }
1160
1161 /* 40MHz MCS 8-15 MIMO */
1162 for (j = 0; j < WLC_NUM_RATES_MCS_2_STREAM; j++)
1163 txpwr->mcs_40_mimo[j] =
7068c2f1 1164 min(txpwr->mcs_40_mimo[j], local_constraint_qdbm);
a9533e7e
HP		 1165
1166 /* 40MHz MCS 32 */
7068c2f1 1167 txpwr->mcs32 = min(txpwr->mcs32, local_constraint_qdbm);
a9533e7e
HP		 1168
1169}
1170
1171void
7cc4a4c0 1172wlc_channel_set_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chanspec,
41feb5ed 1173 u8 local_constraint_qdbm)
a9533e7e 1174{
c6a9e1fc 1175 struct wlc_info *wlc = wlc_cm->wlc;
a9533e7e
HP		 1176 struct txpwr_limits txpwr;
1177
1178 wlc_channel_reg_limits(wlc_cm, chanspec, &txpwr);
1179
1180 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm, &txpwr,
1181 local_constraint_qdbm);
1182
1183 wlc_bmac_set_chanspec(wlc->hw, chanspec,
1184 (wlc_quiet_chanspec(wlc_cm, chanspec) != 0),
1185 &txpwr);
1186}
1187
1188int
7cc4a4c0 1189wlc_channel_set_txpower_limit(wlc_cm_info_t *wlc_cm,
41feb5ed 1190 u8 local_constraint_qdbm)
a9533e7e 1191{
c6a9e1fc 1192 struct wlc_info *wlc = wlc_cm->wlc;
a9533e7e
HP		 1193 struct txpwr_limits txpwr;
1194
1195 wlc_channel_reg_limits(wlc_cm, wlc->chanspec, &txpwr);
1196
1197 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm, &txpwr,
1198 local_constraint_qdbm);
1199
1200 wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec);
1201
1202 return 0;
1203}
1204
1205#ifdef POWER_DBG
7cc4a4c0 1206static void wlc_phy_txpower_limits_dump(txpwr_limits_t *txpwr)
a9533e7e
HP		 1207{
1208 int i;
1209 char fraction[4][4] = { " ", ".25", ".5 ", ".75" };
1210
1211 printf("CCK ");
1212 for (i = 0; i < WLC_NUM_RATES_CCK; i++) {
1213 printf(" %2d%s", txpwr->cck[i] / WLC_TXPWR_DB_FACTOR,
1214 fraction[txpwr->cck[i] % WLC_TXPWR_DB_FACTOR]);
1215 }
1216 printf("\n");
1217
1218 printf("20 MHz OFDM SISO ");
1219 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1220 printf(" %2d%s", txpwr->ofdm[i] / WLC_TXPWR_DB_FACTOR,
1221 fraction[txpwr->ofdm[i] % WLC_TXPWR_DB_FACTOR]);
1222 }
1223 printf("\n");
1224
1225 printf("20 MHz OFDM CDD ");
1226 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1227 printf(" %2d%s", txpwr->ofdm_cdd[i] / WLC_TXPWR_DB_FACTOR,
1228 fraction[txpwr->ofdm_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1229 }
1230 printf("\n");
1231
1232 printf("40 MHz OFDM SISO ");
1233 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1234 printf(" %2d%s", txpwr->ofdm_40_siso[i] / WLC_TXPWR_DB_FACTOR,
1235 fraction[txpwr->ofdm_40_siso[i] % WLC_TXPWR_DB_FACTOR]);
1236 }
1237 printf("\n");
1238
1239 printf("40 MHz OFDM CDD ");
1240 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1241 printf(" %2d%s", txpwr->ofdm_40_cdd[i] / WLC_TXPWR_DB_FACTOR,
1242 fraction[txpwr->ofdm_40_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1243 }
1244 printf("\n");
1245
1246 printf("20 MHz MCS0-7 SISO ");
1247 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1248 printf(" %2d%s", txpwr->mcs_20_siso[i] / WLC_TXPWR_DB_FACTOR,
1249 fraction[txpwr->mcs_20_siso[i] % WLC_TXPWR_DB_FACTOR]);
1250 }
1251 printf("\n");
1252
1253 printf("20 MHz MCS0-7 CDD ");
1254 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1255 printf(" %2d%s", txpwr->mcs_20_cdd[i] / WLC_TXPWR_DB_FACTOR,
1256 fraction[txpwr->mcs_20_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1257 }
1258 printf("\n");
1259
1260 printf("20 MHz MCS0-7 STBC ");
1261 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1262 printf(" %2d%s", txpwr->mcs_20_stbc[i] / WLC_TXPWR_DB_FACTOR,
1263 fraction[txpwr->mcs_20_stbc[i] % WLC_TXPWR_DB_FACTOR]);
1264 }
1265 printf("\n");
1266
1267 printf("20 MHz MCS8-15 SDM ");
1268 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1269 printf(" %2d%s", txpwr->mcs_20_mimo[i] / WLC_TXPWR_DB_FACTOR,
1270 fraction[txpwr->mcs_20_mimo[i] % WLC_TXPWR_DB_FACTOR]);
1271 }
1272 printf("\n");
1273
1274 printf("40 MHz MCS0-7 SISO ");
1275 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1276 printf(" %2d%s", txpwr->mcs_40_siso[i] / WLC_TXPWR_DB_FACTOR,
1277 fraction[txpwr->mcs_40_siso[i] % WLC_TXPWR_DB_FACTOR]);
1278 }
1279 printf("\n");
1280
1281 printf("40 MHz MCS0-7 CDD ");
1282 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1283 printf(" %2d%s", txpwr->mcs_40_cdd[i] / WLC_TXPWR_DB_FACTOR,
1284 fraction[txpwr->mcs_40_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1285 }
1286 printf("\n");
1287
1288 printf("40 MHz MCS0-7 STBC ");
1289 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1290 printf(" %2d%s", txpwr->mcs_40_stbc[i] / WLC_TXPWR_DB_FACTOR,
1291 fraction[txpwr->mcs_40_stbc[i] % WLC_TXPWR_DB_FACTOR]);
1292 }
1293 printf("\n");
1294
1295 printf("40 MHz MCS8-15 SDM ");
1296 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1297 printf(" %2d%s", txpwr->mcs_40_mimo[i] / WLC_TXPWR_DB_FACTOR,
1298 fraction[txpwr->mcs_40_mimo[i] % WLC_TXPWR_DB_FACTOR]);
1299 }
1300 printf("\n");
1301
1302 printf("MCS32 %2d%s\n",
1303 txpwr->mcs32 / WLC_TXPWR_DB_FACTOR,
1304 fraction[txpwr->mcs32 % WLC_TXPWR_DB_FACTOR]);
1305}
1306#endif /* POWER_DBG */
1307
1308void
7cc4a4c0
JC		 1309wlc_channel_reg_limits(wlc_cm_info_t *wlc_cm, chanspec_t chanspec,
1310 txpwr_limits_t *txpwr)
a9533e7e 1311{
c6a9e1fc 1312 struct wlc_info *wlc = wlc_cm->wlc;
a9533e7e
HP		 1313 uint i;
1314 uint chan;
1315 int maxpwr;
1316 int delta;
1317 const country_info_t *country;
f077f718 1318 struct wlcband *band;
a9533e7e
HP		 1319 const locale_info_t *li;
1320 int conducted_max;
1321 int conducted_ofdm_max;
1322 const locale_mimo_info_t *li_mimo;
1323 int maxpwr20, maxpwr40;
1324 int maxpwr_idx;
1325 uint j;
1326
9249ede9 1327 memset(txpwr, 0, sizeof(txpwr_limits_t));
a9533e7e
HP		 1328
1329 if (!wlc_valid_chanspec_db(wlc_cm, chanspec)) {
1330 country = wlc_country_lookup(wlc, wlc->autocountry_default);
1331 if (country == NULL)
1332 return;
1333 } else {
1334 country = wlc_cm->country;
1335 }
1336
1337 chan = CHSPEC_CHANNEL(chanspec);
1338 band = wlc->bandstate[CHSPEC_WLCBANDUNIT(chanspec)];
1339 li = BAND_5G(band->bandtype) ?
1340 wlc_get_locale_5g(country->locale_5G) :
1341 wlc_get_locale_2g(country->locale_2G);
1342
1343 li_mimo = BAND_5G(band->bandtype) ?
1344 wlc_get_mimo_5g(country->locale_mimo_5G) :
1345 wlc_get_mimo_2g(country->locale_mimo_2G);
1346
1347 if (li->flags & WLC_EIRP) {
1348 delta = band->antgain;
1349 } else {
1350 delta = 0;
1351 if (band->antgain > QDB(6))
1352 delta = band->antgain - QDB(6); /* Excess over 6 dB */
1353 }
1354
1355 if (li == &locale_i) {
1356 conducted_max = QDB(22);
1357 conducted_ofdm_max = QDB(22);
1358 }
1359
1360 /* CCK txpwr limits for 2.4G band */
1361 if (BAND_2G(band->bandtype)) {
1362 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_CCK(chan)];
1363
1364 maxpwr = maxpwr - delta;
3ea2f4d6 1365 maxpwr = max(maxpwr, 0);
7068c2f1 1366 maxpwr = min(maxpwr, conducted_max);
a9533e7e
HP		 1367
1368 for (i = 0; i < WLC_NUM_RATES_CCK; i++)
41feb5ed 1369 txpwr->cck[i] = (u8) maxpwr;
a9533e7e
HP		 1370 }
1371
1372 /* OFDM txpwr limits for 2.4G or 5G bands */
1373 if (BAND_2G(band->bandtype)) {
1374 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_OFDM(chan)];
1375
1376 } else {
1377 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_5G(chan)];
1378 }
1379
1380 maxpwr = maxpwr - delta;
3ea2f4d6 1381 maxpwr = max(maxpwr, 0);
7068c2f1 1382 maxpwr = min(maxpwr, conducted_ofdm_max);
a9533e7e
HP		 1383
1384 /* Keep OFDM lmit below CCK limit */
1385 if (BAND_2G(band->bandtype))
a300ce95 1386 maxpwr = min_t(int, maxpwr, txpwr->cck[0]);
a9533e7e
HP		 1387
1388 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
41feb5ed 1389 txpwr->ofdm[i] = (u8) maxpwr;
a9533e7e
HP		 1390 }
1391
1392 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1393 /* OFDM 40 MHz SISO has the same power as the corresponding MCS0-7 rate unless
1394 * overriden by the locale specific code. We set this value to 0 as a
1395 * flag (presumably 0 dBm isn't a possibility) and then copy the MCS0-7 value
1396 * to the 40 MHz value if it wasn't explicitly set.
1397 */
1398 txpwr->ofdm_40_siso[i] = 0;
1399
41feb5ed 1400 txpwr->ofdm_cdd[i] = (u8) maxpwr;
a9533e7e
HP		 1401
1402 txpwr->ofdm_40_cdd[i] = 0;
1403 }
1404
1405 /* MIMO/HT specific limits */
1406 if (li_mimo->flags & WLC_EIRP) {
1407 delta = band->antgain;
1408 } else {
1409 delta = 0;
1410 if (band->antgain > QDB(6))
1411 delta = band->antgain - QDB(6); /* Excess over 6 dB */
1412 }
1413
1414 if (BAND_2G(band->bandtype))
1415 maxpwr_idx = (chan - 1);
1416 else
1417 maxpwr_idx = CHANNEL_POWER_IDX_5G(chan);
1418
1419 maxpwr20 = li_mimo->maxpwr20[maxpwr_idx];
1420 maxpwr40 = li_mimo->maxpwr40[maxpwr_idx];
1421
1422 maxpwr20 = maxpwr20 - delta;
3ea2f4d6 1423 maxpwr20 = max(maxpwr20, 0);
a9533e7e 1424 maxpwr40 = maxpwr40 - delta;
3ea2f4d6 1425 maxpwr40 = max(maxpwr40, 0);
a9533e7e
HP		 1426
1427 /* Fill in the MCS 0-7 (SISO) rates */
1428 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1429
1430 /* 20 MHz has the same power as the corresponding OFDM rate unless
1431 * overriden by the locale specific code.
1432 */
1433 txpwr->mcs_20_siso[i] = txpwr->ofdm[i];
1434 txpwr->mcs_40_siso[i] = 0;
1435 }
1436
1437 /* Fill in the MCS 0-7 CDD rates */
1438 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
41feb5ed
GKH		 1439 txpwr->mcs_20_cdd[i] = (u8) maxpwr20;
1440 txpwr->mcs_40_cdd[i] = (u8) maxpwr40;
a9533e7e
HP		 1441 }
1442
1443 /* These locales have SISO expressed in the table and override CDD later */
1444 if (li_mimo == &locale_bn) {
1445 if (li_mimo == &locale_bn) {
1446 maxpwr20 = QDB(16);
1447 maxpwr40 = 0;
1448
1449 if (chan >= 3 && chan <= 11) {
1450 maxpwr40 = QDB(16);
1451 }
1452 }
1453
1454 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
41feb5ed
GKH		 1455 txpwr->mcs_20_siso[i] = (u8) maxpwr20;
1456 txpwr->mcs_40_siso[i] = (u8) maxpwr40;
a9533e7e
HP		 1457 }
1458 }
1459
1460 /* Fill in the MCS 0-7 STBC rates */
1461 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1462 txpwr->mcs_20_stbc[i] = 0;
1463 txpwr->mcs_40_stbc[i] = 0;
1464 }
1465
1466 /* Fill in the MCS 8-15 SDM rates */
1467 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
41feb5ed
GKH		 1468 txpwr->mcs_20_mimo[i] = (u8) maxpwr20;
1469 txpwr->mcs_40_mimo[i] = (u8) maxpwr40;
a9533e7e
HP		 1470 }
1471
1472 /* Fill in MCS32 */
41feb5ed 1473 txpwr->mcs32 = (u8) maxpwr40;
a9533e7e
HP		 1474
1475 for (i = 0, j = 0; i < WLC_NUM_RATES_OFDM; i++, j++) {
1476 if (txpwr->ofdm_40_cdd[i] == 0)
1477 txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
1478 if (i == 0) {
1479 i = i + 1;
1480 if (txpwr->ofdm_40_cdd[i] == 0)
1481 txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
1482 }
1483 }
1484
1485 /* Copy the 40 MHZ MCS 0-7 CDD value to the 40 MHZ MCS 0-7 SISO value if it wasn't
92dfc7d1 1486 * provided explicitly.
a9533e7e
HP		 1487 */
1488
1489 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1490 if (txpwr->mcs_40_siso[i] == 0)
1491 txpwr->mcs_40_siso[i] = txpwr->mcs_40_cdd[i];
1492 }
1493
1494 for (i = 0, j = 0; i < WLC_NUM_RATES_OFDM; i++, j++) {
1495 if (txpwr->ofdm_40_siso[i] == 0)
1496 txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
1497 if (i == 0) {
1498 i = i + 1;
1499 if (txpwr->ofdm_40_siso[i] == 0)
1500 txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
1501 }
1502 }
1503
1504 /* Copy the 20 and 40 MHz MCS0-7 CDD values to the corresponding STBC values if they weren't
1505 * provided explicitly.
1506 */
1507 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1508 if (txpwr->mcs_20_stbc[i] == 0)
1509 txpwr->mcs_20_stbc[i] = txpwr->mcs_20_cdd[i];
1510
1511 if (txpwr->mcs_40_stbc[i] == 0)
1512 txpwr->mcs_40_stbc[i] = txpwr->mcs_40_cdd[i];
1513 }
1514
1515#ifdef POWER_DBG
1516 wlc_phy_txpower_limits_dump(txpwr);
1517#endif
1518 return;
1519}
1520
0f0881b0 1521/* Returns true if currently set country is Japan or variant */
7cc4a4c0 1522bool wlc_japan(struct wlc_info *wlc)
a9533e7e
HP		 1523{
1524 return wlc_japan_ccode(wlc->cmi->country_abbrev);
1525}
1526
1527/* JP, J1 - J10 are Japan ccodes */
1528static bool wlc_japan_ccode(const char *ccode)
1529{
1530 return (ccode[0] == 'J' &&
1531 (ccode[1] == 'P' || (ccode[1] >= '1' && ccode[1] <= '9')));
1532}
1533
1534/*
1535 * Validate the chanspec for this locale, for 40MHZ we need to also check that the sidebands
1536 * are valid 20MZH channels in this locale and they are also a legal HT combination
1537 */
1538static bool
7cc4a4c0 1539wlc_valid_chanspec_ext(wlc_cm_info_t *wlc_cm, chanspec_t chspec, bool dualband)
a9533e7e 1540{
c6a9e1fc 1541 struct wlc_info *wlc = wlc_cm->wlc;
41feb5ed 1542 u8 channel = CHSPEC_CHANNEL(chspec);
a9533e7e
HP		 1543
1544 /* check the chanspec */
1545 if (wf_chspec_malformed(chspec)) {
f4528696
JP		 1546 WL_ERROR("wl%d: malformed chanspec 0x%x\n",
1547 wlc->pub->unit, chspec);
a9533e7e 1548 ASSERT(0);
0965ae88 1549 return false;
a9533e7e
HP		 1550 }
1551
1552 if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) !=
1553 CHSPEC_WLCBANDUNIT(chspec))
0965ae88 1554 return false;
a9533e7e
HP		 1555
1556 /* Check a 20Mhz channel */
1557 if (CHSPEC_IS20(chspec)) {
1558 if (dualband)
90ea2296 1559 return VALID_CHANNEL20_DB(wlc_cm->wlc, channel);
a9533e7e 1560 else
90ea2296 1561 return VALID_CHANNEL20(wlc_cm->wlc, channel);
a9533e7e
HP		 1562 }
1563#ifdef SUPPORT_40MHZ
1564 /* We know we are now checking a 40MHZ channel, so we should only be here
1565 * for NPHYS
1566 */
1567 if (WLCISNPHY(wlc->band) || WLCISSSLPNPHY(wlc->band)) {
41feb5ed
GKH		 1568 u8 upper_sideband = 0, idx;
1569 u8 num_ch20_entries =
a9533e7e
HP		 1570 sizeof(chan20_info) / sizeof(struct chan20_info);
1571
1572 if (!VALID_40CHANSPEC_IN_BAND(wlc, CHSPEC_WLCBANDUNIT(chspec)))
0965ae88 1573 return false;
a9533e7e
HP		 1574
1575 if (dualband) {
1576 if (!VALID_CHANNEL20_DB(wlc, LOWER_20_SB(channel)) ||
1577 !VALID_CHANNEL20_DB(wlc, UPPER_20_SB(channel)))
0965ae88 1578 return false;
a9533e7e
HP		 1579 } else {
1580 if (!VALID_CHANNEL20(wlc, LOWER_20_SB(channel)) ||
1581 !VALID_CHANNEL20(wlc, UPPER_20_SB(channel)))
0965ae88 1582 return false;
a9533e7e
HP		 1583 }
1584
1585 /* find the lower sideband info in the sideband array */
1586 for (idx = 0; idx < num_ch20_entries; idx++) {
1587 if (chan20_info[idx].sb == LOWER_20_SB(channel))
1588 upper_sideband = chan20_info[idx].adj_sbs;
1589 }
1590 /* check that the lower sideband allows an upper sideband */
1591 if ((upper_sideband & (CH_UPPER_SB | CH_EWA_VALID)) ==
1592 (CH_UPPER_SB | CH_EWA_VALID))
0f0881b0 1593 return true;
0965ae88 1594 return false;
a9533e7e
HP		 1595 }
1596#endif /* 40 MHZ */
1597
0965ae88 1598 return false;
a9533e7e
HP		 1599}
1600
7cc4a4c0 1601bool wlc_valid_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
a9533e7e 1602{
0965ae88 1603 return wlc_valid_chanspec_ext(wlc_cm, chspec, false);
a9533e7e
HP		 1604}
1605
7cc4a4c0 1606bool wlc_valid_chanspec_db(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
a9533e7e 1607{
0f0881b0 1608 return wlc_valid_chanspec_ext(wlc_cm, chspec, true);
a9533e7e 1609}
Linux kernel - Deliverables
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