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nest-open-source / nest-guard / 1.0 / linux / 6754b876e4c89285b30ff59800d23e21ce2dbe3f / . / linux / drivers / staging / brcm80211 / sys / wlc_channel.c
blob: 509280337e34ff15d1f8e2f5781be4831b5a7f78 [file] [log] [blame]
/*
* Copyright (c) 2010 Broadcom Corporation
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <bcmdefs.h>
#include <wlc_cfg.h>
#include <osl.h>
#include <linuxver.h>
#include <bcmutils.h>
#include <siutils.h>
#include <wlioctl.h>
#include <wlc_pub.h>
#include <wlc_key.h>
#include <wlc_mac80211.h>
#include <wlc_bmac.h>
#include <wlc_stf.h>
#include <wlc_channel.h>
typedef struct wlc_cm_band {
u8 locale_flags; /* locale_info_t flags */
chanvec_t valid_channels; /* List of valid channels in the country */
const chanvec_t *restricted_channels; /* List of restricted use channels */
const chanvec_t *radar_channels; /* List of radar sensitive channels */
u8 PAD[8];
} wlc_cm_band_t;
struct wlc_cm_info {
wlc_pub_t *pub;
wlc_info_t *wlc;
char srom_ccode[WLC_CNTRY_BUF_SZ]; /* Country Code in SROM */
uint srom_regrev; /* Regulatory Rev for the SROM ccode */
const country_info_t *country; /* current country def */
char ccode[WLC_CNTRY_BUF_SZ]; /* current internal Country Code */
uint regrev; /* current Regulatory Revision */
char country_abbrev[WLC_CNTRY_BUF_SZ]; /* current advertised ccode */
wlc_cm_band_t bandstate[MAXBANDS]; /* per-band state (one per phy/radio) */
/* quiet channels currently for radar sensitivity or 11h support */
chanvec_t quiet_channels; /* channels on which we cannot transmit */
};
static int wlc_channels_init(wlc_cm_info_t *wlc_cm,
const country_info_t *country);
static void wlc_set_country_common(wlc_cm_info_t *wlc_cm,
const char *country_abbrev,
const char *ccode, uint regrev,
const country_info_t *country);
static int wlc_country_aggregate_map(wlc_cm_info_t *wlc_cm, const char *ccode,
char *mapped_ccode, uint *mapped_regrev);
static const country_info_t *wlc_country_lookup_direct(const char *ccode,
uint regrev);
static const country_info_t *wlc_countrycode_map(wlc_cm_info_t *wlc_cm,
const char *ccode,
char *mapped_ccode,
uint *mapped_regrev);
static void wlc_channels_commit(wlc_cm_info_t *wlc_cm);
static bool wlc_japan_ccode(const char *ccode);
static void wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t *
wlc_cm,
struct
txpwr_limits
*txpwr,
u8
local_constraint_qdbm);
void wlc_locale_add_channels(chanvec_t *target, const chanvec_t *channels);
static const locale_mimo_info_t *wlc_get_mimo_2g(u8 locale_idx);
static const locale_mimo_info_t *wlc_get_mimo_5g(u8 locale_idx);
/* QDB() macro takes a dB value and converts to a quarter dB value */
#ifdef QDB
#undef QDB
#endif
#define QDB(n) ((n) * WLC_TXPWR_DB_FACTOR)
/* Regulatory Matrix Spreadsheet (CLM) MIMO v3.7.9 */
/*
* Some common channel sets
*/
/* No channels */
static const chanvec_t chanvec_none = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
/* All 2.4 GHz HW channels */
const chanvec_t chanvec_all_2G = {
{0xfe, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
/* All 5 GHz HW channels */
const chanvec_t chanvec_all_5G = {
{0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x11, 0x11,
0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11,
0x11, 0x11, 0x20, 0x22, 0x22, 0x00, 0x00, 0x11,
0x11, 0x11, 0x11, 0x01}
};
/*
* Radar channel sets
*/
/* No radar */
#define radar_set_none chanvec_none
static const chanvec_t radar_set1 = { /* Channels 52 - 64, 100 - 140 */
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, /* 52 - 60 */
0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11, /* 64, 100 - 124 */
0x11, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 128 - 140 */
0x00, 0x00, 0x00, 0x00}
};
/*
* Restricted channel sets
*/
#define restricted_set_none chanvec_none
/* Channels 34, 38, 42, 46 */
static const chanvec_t restricted_set_japan_legacy = {
{0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
/* Channels 12, 13 */
static const chanvec_t restricted_set_2g_short = {
{0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
/* Channel 165 */
static const chanvec_t restricted_chan_165 = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
/* Channels 36 - 48 & 149 - 165 */
static const chanvec_t restricted_low_hi = {
{0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x20, 0x22, 0x22, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
/* Channels 12 - 14 */
static const chanvec_t restricted_set_12_13_14 = {
{0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
#define LOCALE_CHAN_01_11 (1<<0)
#define LOCALE_CHAN_12_13 (1<<1)
#define LOCALE_CHAN_14 (1<<2)
#define LOCALE_SET_5G_LOW_JP1 (1<<3) /* 34-48, step 2 */
#define LOCALE_SET_5G_LOW_JP2 (1<<4) /* 34-46, step 4 */
#define LOCALE_SET_5G_LOW1 (1<<5) /* 36-48, step 4 */
#define LOCALE_SET_5G_LOW2 (1<<6) /* 52 */
#define LOCALE_SET_5G_LOW3 (1<<7) /* 56-64, step 4 */
#define LOCALE_SET_5G_MID1 (1<<8) /* 100-116, step 4 */
#define LOCALE_SET_5G_MID2 (1<<9) /* 120-124, step 4 */
#define LOCALE_SET_5G_MID3 (1<<10) /* 128 */
#define LOCALE_SET_5G_HIGH1 (1<<11) /* 132-140, step 4 */
#define LOCALE_SET_5G_HIGH2 (1<<12) /* 149-161, step 4 */
#define LOCALE_SET_5G_HIGH3 (1<<13) /* 165 */
#define LOCALE_CHAN_52_140_ALL (1<<14)
#define LOCALE_SET_5G_HIGH4 (1<<15) /* 184-216 */
#define LOCALE_CHAN_36_64 (LOCALE_SET_5G_LOW1 | LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3)
#define LOCALE_CHAN_52_64 (LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3)
#define LOCALE_CHAN_100_124 (LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2)
#define LOCALE_CHAN_100_140 \
(LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2 | LOCALE_SET_5G_MID3 | LOCALE_SET_5G_HIGH1)
#define LOCALE_CHAN_149_165 (LOCALE_SET_5G_HIGH2 | LOCALE_SET_5G_HIGH3)
#define LOCALE_CHAN_184_216 LOCALE_SET_5G_HIGH4
#define LOCALE_CHAN_01_14 (LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13 | LOCALE_CHAN_14)
#define LOCALE_RADAR_SET_NONE 0
#define LOCALE_RADAR_SET_1 1
#define LOCALE_RESTRICTED_NONE 0
#define LOCALE_RESTRICTED_SET_2G_SHORT 1
#define LOCALE_RESTRICTED_CHAN_165 2
#define LOCALE_CHAN_ALL_5G 3
#define LOCALE_RESTRICTED_JAPAN_LEGACY 4
#define LOCALE_RESTRICTED_11D_2G 5
#define LOCALE_RESTRICTED_11D_5G 6
#define LOCALE_RESTRICTED_LOW_HI 7
#define LOCALE_RESTRICTED_12_13_14 8
/* global memory to provide working buffer for expanded locale */
static const chanvec_t *g_table_radar_set[] = {
&chanvec_none,
&radar_set1
};
static const chanvec_t *g_table_restricted_chan[] = {
&chanvec_none, /* restricted_set_none */
&restricted_set_2g_short,
&restricted_chan_165,
&chanvec_all_5G,
&restricted_set_japan_legacy,
&chanvec_all_2G, /* restricted_set_11d_2G */
&chanvec_all_5G, /* restricted_set_11d_5G */
&restricted_low_hi,
&restricted_set_12_13_14
};
static const chanvec_t locale_2g_01_11 = {
{0xfe, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
static const chanvec_t locale_2g_12_13 = {
{0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
static const chanvec_t locale_2g_14 = {
{0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
static const chanvec_t locale_5g_LOW_JP1 = {
{0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x01, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
static const chanvec_t locale_5g_LOW_JP2 = {
{0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
static const chanvec_t locale_5g_LOW1 = {
{0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
static const chanvec_t locale_5g_LOW2 = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
static const chanvec_t locale_5g_LOW3 = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
static const chanvec_t locale_5g_MID1 = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
static const chanvec_t locale_5g_MID2 = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
static const chanvec_t locale_5g_MID3 = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
static const chanvec_t locale_5g_HIGH1 = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x10, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
static const chanvec_t locale_5g_HIGH2 = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x20, 0x22, 0x02, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
static const chanvec_t locale_5g_HIGH3 = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
static const chanvec_t locale_5g_52_140_ALL = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11,
0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
0x11, 0x11, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00}
};
static const chanvec_t locale_5g_HIGH4 = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
0x11, 0x11, 0x11, 0x11}
};
static const chanvec_t *g_table_locale_base[] = {
&locale_2g_01_11,
&locale_2g_12_13,
&locale_2g_14,
&locale_5g_LOW_JP1,
&locale_5g_LOW_JP2,
&locale_5g_LOW1,
&locale_5g_LOW2,
&locale_5g_LOW3,
&locale_5g_MID1,
&locale_5g_MID2,
&locale_5g_MID3,
&locale_5g_HIGH1,
&locale_5g_HIGH2,
&locale_5g_HIGH3,
&locale_5g_52_140_ALL,
&locale_5g_HIGH4
};
void wlc_locale_add_channels(chanvec_t *target, const chanvec_t *channels)
{
u8 i;
for (i = 0; i < sizeof(chanvec_t); i++) {
target->vec[i] |= channels->vec[i];
}
}
void wlc_locale_get_channels(const locale_info_t *locale, chanvec_t *channels)
{
u8 i;
bzero(channels, sizeof(chanvec_t));
for (i = 0; i < ARRAY_SIZE(g_table_locale_base); i++) {
if (locale->valid_channels & (1 << i)) {
wlc_locale_add_channels(channels,
g_table_locale_base[i]);
}
}
}
/*
* Locale Definitions - 2.4 GHz
*/
static const locale_info_t locale_i = { /* locale i. channel 1 - 13 */
LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13,
LOCALE_RADAR_SET_NONE,
LOCALE_RESTRICTED_SET_2G_SHORT,
{QDB(19), QDB(19), QDB(19),
QDB(19), QDB(19), QDB(19)},
{20, 20, 20, 0},
WLC_EIRP
};
/*
* Locale Definitions - 5 GHz
*/
static const locale_info_t locale_11 = {
/* locale 11. channel 36 - 48, 52 - 64, 100 - 140, 149 - 165 */
LOCALE_CHAN_36_64 | LOCALE_CHAN_100_140 | LOCALE_CHAN_149_165,
LOCALE_RADAR_SET_1,
LOCALE_RESTRICTED_NONE,
{QDB(21), QDB(21), QDB(21), QDB(21), QDB(21)},
{23, 23, 23, 30, 30},
WLC_EIRP | WLC_DFS_EU
};
#define LOCALE_2G_IDX_i 0
static const locale_info_t *g_locale_2g_table[] = {
&locale_i
};
#define LOCALE_5G_IDX_11 0
static const locale_info_t *g_locale_5g_table[] = {
&locale_11
};
/*
* MIMO Locale Definitions - 2.4 GHz
*/
static const locale_mimo_info_t locale_bn = {
{QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
QDB(13), QDB(13), QDB(13)},
{0, 0, QDB(13), QDB(13), QDB(13),
QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
QDB(13), 0, 0},
0
};
/* locale mimo 2g indexes */
#define LOCALE_MIMO_IDX_bn 0
static const locale_mimo_info_t *g_mimo_2g_table[] = {
&locale_bn
};
/*
* MIMO Locale Definitions - 5 GHz
*/
static const locale_mimo_info_t locale_11n = {
{ /* 12.5 dBm */ 50, 50, 50, QDB(15), QDB(15)},
{QDB(14), QDB(15), QDB(15), QDB(15), QDB(15)},
0
};
#define LOCALE_MIMO_IDX_11n 0
static const locale_mimo_info_t *g_mimo_5g_table[] = {
&locale_11n
};
#ifdef LC
#undef LC
#endif
#define LC(id) LOCALE_MIMO_IDX_ ## id
#ifdef LC_2G
#undef LC_2G
#endif
#define LC_2G(id) LOCALE_2G_IDX_ ## id
#ifdef LC_5G
#undef LC_5G
#endif
#define LC_5G(id) LOCALE_5G_IDX_ ## id
#define LOCALES(band2, band5, mimo2, mimo5) {LC_2G(band2), LC_5G(band5), LC(mimo2), LC(mimo5)}
static const struct {
char abbrev[WLC_CNTRY_BUF_SZ]; /* country abbreviation */
country_info_t country;
} cntry_locales[] = {
{
"X2", LOCALES(i, 11, bn, 11n)}, /* Worldwide RoW 2 */
};
#ifdef SUPPORT_40MHZ
/* 20MHz channel info for 40MHz pairing support */
struct chan20_info {
u8 sb;
u8 adj_sbs;
};
/* indicates adjacent channels that are allowed for a 40 Mhz channel and
* those that permitted by the HT
*/
struct chan20_info chan20_info[] = {
/* 11b/11g */
/* 0 */ {1, (CH_UPPER_SB | CH_EWA_VALID)},
/* 1 */ {2, (CH_UPPER_SB | CH_EWA_VALID)},
/* 2 */ {3, (CH_UPPER_SB | CH_EWA_VALID)},
/* 3 */ {4, (CH_UPPER_SB | CH_EWA_VALID)},
/* 4 */ {5, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
/* 5 */ {6, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
/* 6 */ {7, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
/* 7 */ {8, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
/* 8 */ {9, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
/* 9 */ {10, (CH_LOWER_SB | CH_EWA_VALID)},
/* 10 */ {11, (CH_LOWER_SB | CH_EWA_VALID)},
/* 11 */ {12, (CH_LOWER_SB)},
/* 12 */ {13, (CH_LOWER_SB)},
/* 13 */ {14, (CH_LOWER_SB)},
/* 11a japan high */
/* 14 */ {34, (CH_UPPER_SB)},
/* 15 */ {38, (CH_LOWER_SB)},
/* 16 */ {42, (CH_LOWER_SB)},
/* 17 */ {46, (CH_LOWER_SB)},
/* 11a usa low */
/* 18 */ {36, (CH_UPPER_SB | CH_EWA_VALID)},
/* 19 */ {40, (CH_LOWER_SB | CH_EWA_VALID)},
/* 20 */ {44, (CH_UPPER_SB | CH_EWA_VALID)},
/* 21 */ {48, (CH_LOWER_SB | CH_EWA_VALID)},
/* 22 */ {52, (CH_UPPER_SB | CH_EWA_VALID)},
/* 23 */ {56, (CH_LOWER_SB | CH_EWA_VALID)},
/* 24 */ {60, (CH_UPPER_SB | CH_EWA_VALID)},
/* 25 */ {64, (CH_LOWER_SB | CH_EWA_VALID)},
/* 11a Europe */
/* 26 */ {100, (CH_UPPER_SB | CH_EWA_VALID)},
/* 27 */ {104, (CH_LOWER_SB | CH_EWA_VALID)},
/* 28 */ {108, (CH_UPPER_SB | CH_EWA_VALID)},
/* 29 */ {112, (CH_LOWER_SB | CH_EWA_VALID)},
/* 30 */ {116, (CH_UPPER_SB | CH_EWA_VALID)},
/* 31 */ {120, (CH_LOWER_SB | CH_EWA_VALID)},
/* 32 */ {124, (CH_UPPER_SB | CH_EWA_VALID)},
/* 33 */ {128, (CH_LOWER_SB | CH_EWA_VALID)},
/* 34 */ {132, (CH_UPPER_SB | CH_EWA_VALID)},
/* 35 */ {136, (CH_LOWER_SB | CH_EWA_VALID)},
/* 36 */ {140, (CH_LOWER_SB)},
/* 11a usa high, ref5 only */
/* The 0x80 bit in pdiv means these are REF5, other entries are REF20 */
/* 37 */ {149, (CH_UPPER_SB | CH_EWA_VALID)},
/* 38 */ {153, (CH_LOWER_SB | CH_EWA_VALID)},
/* 39 */ {157, (CH_UPPER_SB | CH_EWA_VALID)},
/* 40 */ {161, (CH_LOWER_SB | CH_EWA_VALID)},
/* 41 */ {165, (CH_LOWER_SB)},
/* 11a japan */
/* 42 */ {184, (CH_UPPER_SB)},
/* 43 */ {188, (CH_LOWER_SB)},
/* 44 */ {192, (CH_UPPER_SB)},
/* 45 */ {196, (CH_LOWER_SB)},
/* 46 */ {200, (CH_UPPER_SB)},
/* 47 */ {204, (CH_LOWER_SB)},
/* 48 */ {208, (CH_UPPER_SB)},
/* 49 */ {212, (CH_LOWER_SB)},
/* 50 */ {216, (CH_LOWER_SB)}
};
#endif /* SUPPORT_40MHZ */
const locale_info_t *wlc_get_locale_2g(u8 locale_idx)
{
if (locale_idx >= ARRAY_SIZE(g_locale_2g_table)) {
WL_ERROR(("%s: locale 2g index size out of range %d\n",
__func__, locale_idx));
ASSERT(locale_idx < ARRAY_SIZE(g_locale_2g_table));
return NULL;
}
return g_locale_2g_table[locale_idx];
}
const locale_info_t *wlc_get_locale_5g(u8 locale_idx)
{
if (locale_idx >= ARRAY_SIZE(g_locale_5g_table)) {
WL_ERROR(("%s: locale 5g index size out of range %d\n",
__func__, locale_idx));
ASSERT(locale_idx < ARRAY_SIZE(g_locale_5g_table));
return NULL;
}
return g_locale_5g_table[locale_idx];
}
const locale_mimo_info_t *wlc_get_mimo_2g(u8 locale_idx)
{
if (locale_idx >= ARRAY_SIZE(g_mimo_2g_table)) {
WL_ERROR(("%s: mimo 2g index size out of range %d\n", __func__,
locale_idx));
return NULL;
}
return g_mimo_2g_table[locale_idx];
}
const locale_mimo_info_t *wlc_get_mimo_5g(u8 locale_idx)
{
if (locale_idx >= ARRAY_SIZE(g_mimo_5g_table)) {
WL_ERROR(("%s: mimo 5g index size out of range %d\n", __func__,
locale_idx));
return NULL;
}
return g_mimo_5g_table[locale_idx];
}
wlc_cm_info_t *wlc_channel_mgr_attach(wlc_info_t *wlc)
{
wlc_cm_info_t *wlc_cm;
char country_abbrev[WLC_CNTRY_BUF_SZ];
const country_info_t *country;
wlc_pub_t *pub = wlc->pub;
char *ccode;
WL_TRACE(("wl%d: wlc_channel_mgr_attach\n", wlc->pub->unit));
wlc_cm = kzalloc(sizeof(wlc_cm_info_t), GFP_ATOMIC);
if (wlc_cm == NULL) {
WL_ERROR(("wl%d: %s: out of memory", pub->unit, __func__));
return NULL;
}
wlc_cm->pub = pub;
wlc_cm->wlc = wlc;
wlc->cmi = wlc_cm;
/* store the country code for passing up as a regulatory hint */
ccode = getvar(wlc->pub->vars, "ccode");
if (ccode) {
strncpy(wlc->pub->srom_ccode, ccode, WLC_CNTRY_BUF_SZ - 1);
WL_NONE(("%s: SROM country code is %c%c\n", __func__,
wlc->pub->srom_ccode[0], wlc->pub->srom_ccode[1]));
}
/* internal country information which must match regulatory constraints in firmware */
bzero(country_abbrev, WLC_CNTRY_BUF_SZ);
strncpy(country_abbrev, "X2", sizeof(country_abbrev) - 1);
country = wlc_country_lookup(wlc, country_abbrev);
ASSERT(country != NULL);
/* save default country for exiting 11d regulatory mode */
strncpy(wlc->country_default, country_abbrev, WLC_CNTRY_BUF_SZ - 1);
/* initialize autocountry_default to driver default */
strncpy(wlc->autocountry_default, "X2", WLC_CNTRY_BUF_SZ - 1);
wlc_set_countrycode(wlc_cm, country_abbrev);
return wlc_cm;
}
void wlc_channel_mgr_detach(wlc_cm_info_t *wlc_cm)
{
if (wlc_cm)
kfree(wlc_cm);
}
const char *wlc_channel_country_abbrev(wlc_cm_info_t *wlc_cm)
{
return wlc_cm->country_abbrev;
}
u8 wlc_channel_locale_flags(wlc_cm_info_t *wlc_cm)
{
wlc_info_t *wlc = wlc_cm->wlc;
return wlc_cm->bandstate[wlc->band->bandunit].locale_flags;
}
u8 wlc_channel_locale_flags_in_band(wlc_cm_info_t *wlc_cm, uint bandunit)
{
return wlc_cm->bandstate[bandunit].locale_flags;
}
/* return chanvec for a given country code and band */
bool
wlc_channel_get_chanvec(struct wlc_info *wlc, const char *country_abbrev,
int bandtype, chanvec_t *channels)
{
const country_info_t *country;
const locale_info_t *locale = NULL;
country = wlc_country_lookup(wlc, country_abbrev);
if (country == NULL)
return false;
if (bandtype == WLC_BAND_2G)
locale = wlc_get_locale_2g(country->locale_2G);
else if (bandtype == WLC_BAND_5G)
locale = wlc_get_locale_5g(country->locale_5G);
if (locale == NULL)
return false;
wlc_locale_get_channels(locale, channels);
return true;
}
/* set the driver's current country and regulatory information using a country code
* as the source. Lookup built in country information found with the country code.
*/
int wlc_set_countrycode(wlc_cm_info_t *wlc_cm, const char *ccode)
{
char country_abbrev[WLC_CNTRY_BUF_SZ];
strncpy(country_abbrev, ccode, WLC_CNTRY_BUF_SZ);
return wlc_set_countrycode_rev(wlc_cm, country_abbrev, ccode, -1);
}
int
wlc_set_countrycode_rev(wlc_cm_info_t *wlc_cm,
const char *country_abbrev,
const char *ccode, int regrev)
{
const country_info_t *country;
char mapped_ccode[WLC_CNTRY_BUF_SZ];
uint mapped_regrev;
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));
/* if regrev is -1, lookup the mapped country code,
* otherwise use the ccode and regrev directly
*/
if (regrev == -1) {
/* map the country code to a built-in country code, regrev, and country_info */
country =
wlc_countrycode_map(wlc_cm, ccode, mapped_ccode,
&mapped_regrev);
} else {
/* find the matching built-in country definition */
ASSERT(0);
country = wlc_country_lookup_direct(ccode, regrev);
strncpy(mapped_ccode, ccode, WLC_CNTRY_BUF_SZ);
mapped_regrev = regrev;
}
if (country == NULL)
return BCME_BADARG;
/* set the driver state for the country */
wlc_set_country_common(wlc_cm, country_abbrev, mapped_ccode,
mapped_regrev, country);
return 0;
}
/* set the driver's current country and regulatory information using a country code
* as the source. Look up built in country information found with the country code.
*/
static void
wlc_set_country_common(wlc_cm_info_t *wlc_cm,
const char *country_abbrev,
const char *ccode, uint regrev,
const country_info_t *country)
{
const locale_mimo_info_t *li_mimo;
const locale_info_t *locale;
wlc_info_t *wlc = wlc_cm->wlc;
char prev_country_abbrev[WLC_CNTRY_BUF_SZ];
ASSERT(country != NULL);
/* save current country state */
wlc_cm->country = country;
bzero(&prev_country_abbrev, WLC_CNTRY_BUF_SZ);
strncpy(prev_country_abbrev, wlc_cm->country_abbrev,
WLC_CNTRY_BUF_SZ - 1);
strncpy(wlc_cm->country_abbrev, country_abbrev, WLC_CNTRY_BUF_SZ - 1);
strncpy(wlc_cm->ccode, ccode, WLC_CNTRY_BUF_SZ - 1);
wlc_cm->regrev = regrev;
/* disable/restore nmode based on country regulations */
li_mimo = wlc_get_mimo_2g(country->locale_mimo_2G);
if (li_mimo && (li_mimo->flags & WLC_NO_MIMO)) {
wlc_set_nmode(wlc, OFF);
wlc->stf->no_cddstbc = true;
} else {
wlc->stf->no_cddstbc = false;
if (N_ENAB(wlc->pub) != wlc->protection->nmode_user)
wlc_set_nmode(wlc, wlc->protection->nmode_user);
}
wlc_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]);
wlc_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]);
/* set or restore gmode as required by regulatory */
locale = wlc_get_locale_2g(country->locale_2G);
if (locale && (locale->flags & WLC_NO_OFDM)) {
wlc_set_gmode(wlc, GMODE_LEGACY_B, false);
} else {
wlc_set_gmode(wlc, wlc->protection->gmode_user, false);
}
wlc_channels_init(wlc_cm, country);
return;
}
/* Lookup a country info structure from a null terminated country code
* The lookup is case sensitive.
*/
const country_info_t *wlc_country_lookup(struct wlc_info *wlc,
const char *ccode)
{
const country_info_t *country;
char mapped_ccode[WLC_CNTRY_BUF_SZ];
uint mapped_regrev;
/* map the country code to a built-in country code, regrev, and country_info struct */
country =
wlc_countrycode_map(wlc->cmi, ccode, mapped_ccode, &mapped_regrev);
return country;
}
static const country_info_t *wlc_countrycode_map(wlc_cm_info_t *wlc_cm,
const char *ccode,
char *mapped_ccode,
uint *mapped_regrev)
{
wlc_info_t *wlc = wlc_cm->wlc;
const country_info_t *country;
uint srom_regrev = wlc_cm->srom_regrev;
const char *srom_ccode = wlc_cm->srom_ccode;
int mapped;
/* check for currently supported ccode size */
if (strlen(ccode) > (WLC_CNTRY_BUF_SZ - 1)) {
WL_ERROR(("wl%d: %s: ccode \"%s\" too long for match\n",
wlc->pub->unit, __func__, ccode));
return NULL;
}
/* default mapping is the given ccode and regrev 0 */
strncpy(mapped_ccode, ccode, WLC_CNTRY_BUF_SZ);
*mapped_regrev = 0;
/* If the desired country code matches the srom country code,
* then the mapped country is the srom regulatory rev.
* Otherwise look for an aggregate mapping.
*/
if (!strcmp(srom_ccode, ccode)) {
*mapped_regrev = srom_regrev;
mapped = 0;
WL_ERROR(("srom_code == ccode %s\n", __func__));
ASSERT(0);
} else {
mapped =
wlc_country_aggregate_map(wlc_cm, ccode, mapped_ccode,
mapped_regrev);
}
/* find the matching built-in country definition */
country = wlc_country_lookup_direct(mapped_ccode, *mapped_regrev);
/* if there is not an exact rev match, default to rev zero */
if (country == NULL && *mapped_regrev != 0) {
*mapped_regrev = 0;
ASSERT(0);
country =
wlc_country_lookup_direct(mapped_ccode, *mapped_regrev);
}
return country;
}
static int
wlc_country_aggregate_map(wlc_cm_info_t *wlc_cm, const char *ccode,
char *mapped_ccode, uint *mapped_regrev)
{
return false;
}
/* Lookup a country info structure from a null terminated country
* abbreviation and regrev directly with no translation.
*/
static const country_info_t *wlc_country_lookup_direct(const char *ccode,
uint regrev)
{
uint size, i;
/* Should just return 0 for single locale driver. */
/* Keep it this way in case we add more locales. (for now anyway) */
/* all other country def arrays are for regrev == 0, so if regrev is non-zero, fail */
if (regrev > 0)
return NULL;
/* find matched table entry from country code */
size = ARRAY_SIZE(cntry_locales);
for (i = 0; i < size; i++) {
if (strcmp(ccode, cntry_locales[i].abbrev) == 0) {
return &cntry_locales[i].country;
}
}
WL_ERROR(("%s: Returning NULL\n", __func__));
ASSERT(0);
return NULL;
}
static int
wlc_channels_init(wlc_cm_info_t *wlc_cm, const country_info_t *country)
{
wlc_info_t *wlc = wlc_cm->wlc;
uint i, j;
wlcband_t *band;
const locale_info_t *li;
chanvec_t sup_chan;
const locale_mimo_info_t *li_mimo;
band = wlc->band;
for (i = 0; i < NBANDS(wlc);
i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
li = BAND_5G(band->bandtype) ?
wlc_get_locale_5g(country->locale_5G) :
wlc_get_locale_2g(country->locale_2G);
ASSERT(li);
wlc_cm->bandstate[band->bandunit].locale_flags = li->flags;
li_mimo = BAND_5G(band->bandtype) ?
wlc_get_mimo_5g(country->locale_mimo_5G) :
wlc_get_mimo_2g(country->locale_mimo_2G);
ASSERT(li_mimo);
/* merge the mimo non-mimo locale flags */
wlc_cm->bandstate[band->bandunit].locale_flags |=
li_mimo->flags;
wlc_cm->bandstate[band->bandunit].restricted_channels =
g_table_restricted_chan[li->restricted_channels];
wlc_cm->bandstate[band->bandunit].radar_channels =
g_table_radar_set[li->radar_channels];
/* set the channel availability,
* masking out the channels that may not be supported on this phy
*/
wlc_phy_chanspec_band_validch(band->pi, band->bandtype,
&sup_chan);
wlc_locale_get_channels(li,
&wlc_cm->bandstate[band->bandunit].
valid_channels);
for (j = 0; j < sizeof(chanvec_t); j++)
wlc_cm->bandstate[band->bandunit].valid_channels.
vec[j] &= sup_chan.vec[j];
}
wlc_quiet_channels_reset(wlc_cm);
wlc_channels_commit(wlc_cm);
return 0;
}
/* Update the radio state (enable/disable) and tx power targets
* based on a new set of channel/regulatory information
*/
static void wlc_channels_commit(wlc_cm_info_t *wlc_cm)
{
wlc_info_t *wlc = wlc_cm->wlc;
uint chan;
struct txpwr_limits txpwr;
/* search for the existence of any valid channel */
for (chan = 0; chan < MAXCHANNEL; chan++) {
if (VALID_CHANNEL20_DB(wlc, chan)) {
break;
}
}
if (chan == MAXCHANNEL)
chan = INVCHANNEL;
/* based on the channel search above, set or clear WL_RADIO_COUNTRY_DISABLE */
if (chan == INVCHANNEL) {
/* country/locale with no valid channels, set the radio disable bit */
mboolset(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
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));
} else
if (mboolisset(wlc->pub->radio_disabled,
WL_RADIO_COUNTRY_DISABLE)) {
/* country/locale with valid channel, clear the radio disable bit */
mboolclr(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
}
/* Now that the country abbreviation is set, if the radio supports 2G, then
* set channel 14 restrictions based on the new locale.
*/
if (NBANDS(wlc) > 1 || BAND_2G(wlc->band->bandtype)) {
wlc_phy_chanspec_ch14_widefilter_set(wlc->band->pi,
wlc_japan(wlc) ? true :
false);
}
if (wlc->pub->up && chan != INVCHANNEL) {
wlc_channel_reg_limits(wlc_cm, wlc->chanspec, &txpwr);
wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm,
&txpwr,
WLC_TXPWR_MAX);
wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec);
}
}
/* reset the quiet channels vector to the union of the restricted and radar channel sets */
void wlc_quiet_channels_reset(wlc_cm_info_t *wlc_cm)
{
wlc_info_t *wlc = wlc_cm->wlc;
uint i, j;
wlcband_t *band;
const chanvec_t *chanvec;
bzero(&wlc_cm->quiet_channels, sizeof(chanvec_t));
band = wlc->band;
for (i = 0; i < NBANDS(wlc);
i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
/* initialize quiet channels for restricted channels */
chanvec = wlc_cm->bandstate[band->bandunit].restricted_channels;
for (j = 0; j < sizeof(chanvec_t); j++)
wlc_cm->quiet_channels.vec[j] |= chanvec->vec[j];
}
}
bool wlc_quiet_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
{
return N_ENAB(wlc_cm->wlc->pub) && CHSPEC_IS40(chspec) ?
(isset
(wlc_cm->quiet_channels.vec,
LOWER_20_SB(CHSPEC_CHANNEL(chspec)))
|| isset(wlc_cm->quiet_channels.vec,
UPPER_20_SB(CHSPEC_CHANNEL(chspec)))) : isset(wlc_cm->
quiet_channels.
vec,
CHSPEC_CHANNEL
(chspec));
}
/* Is the channel valid for the current locale? (but don't consider channels not
* available due to bandlocking)
*/
bool wlc_valid_channel20_db(wlc_cm_info_t *wlc_cm, uint val)
{
wlc_info_t *wlc = wlc_cm->wlc;
return VALID_CHANNEL20(wlc, val) ||
(!wlc->bandlocked
&& VALID_CHANNEL20_IN_BAND(wlc, OTHERBANDUNIT(wlc), val));
}
/* Is the channel valid for the current locale and specified band? */
bool
wlc_valid_channel20_in_band(wlc_cm_info_t *wlc_cm, uint bandunit, uint val)
{
return ((val < MAXCHANNEL)
&& isset(wlc_cm->bandstate[bandunit].valid_channels.vec, val));
}
/* Is the channel valid for the current locale and current band? */
bool wlc_valid_channel20(wlc_cm_info_t *wlc_cm, uint val)
{
wlc_info_t *wlc = wlc_cm->wlc;
return ((val < MAXCHANNEL) &&
isset(wlc_cm->bandstate[wlc->band->bandunit].valid_channels.vec,
val));
}
/* Is the 40 MHz allowed for the current locale and specified band? */
bool wlc_valid_40chanspec_in_band(wlc_cm_info_t *wlc_cm, uint bandunit)
{
wlc_info_t *wlc = wlc_cm->wlc;
return (((wlc_cm->bandstate[bandunit].
locale_flags & (WLC_NO_MIMO | WLC_NO_40MHZ)) == 0)
&& wlc->bandstate[bandunit]->mimo_cap_40);
}
static void
wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t *wlc_cm,
struct txpwr_limits *txpwr,
u8
local_constraint_qdbm)
{
int j;
/* CCK Rates */
for (j = 0; j < WL_TX_POWER_CCK_NUM; j++) {
txpwr->cck[j] = min(txpwr->cck[j], local_constraint_qdbm);
}
/* 20 MHz Legacy OFDM SISO */
for (j = 0; j < WL_TX_POWER_OFDM_NUM; j++) {
txpwr->ofdm[j] = min(txpwr->ofdm[j], local_constraint_qdbm);
}
/* 20 MHz Legacy OFDM CDD */
for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
txpwr->ofdm_cdd[j] =
min(txpwr->ofdm_cdd[j], local_constraint_qdbm);
}
/* 40 MHz Legacy OFDM SISO */
for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
txpwr->ofdm_40_siso[j] =
min(txpwr->ofdm_40_siso[j], local_constraint_qdbm);
}
/* 40 MHz Legacy OFDM CDD */
for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
txpwr->ofdm_40_cdd[j] =
min(txpwr->ofdm_40_cdd[j], local_constraint_qdbm);
}
/* 20MHz MCS 0-7 SISO */
for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
txpwr->mcs_20_siso[j] =
min(txpwr->mcs_20_siso[j], local_constraint_qdbm);
}
/* 20MHz MCS 0-7 CDD */
for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
txpwr->mcs_20_cdd[j] =
min(txpwr->mcs_20_cdd[j], local_constraint_qdbm);
}
/* 20MHz MCS 0-7 STBC */
for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
txpwr->mcs_20_stbc[j] =
min(txpwr->mcs_20_stbc[j], local_constraint_qdbm);
}
/* 20MHz MCS 8-15 MIMO */
for (j = 0; j < WLC_NUM_RATES_MCS_2_STREAM; j++)
txpwr->mcs_20_mimo[j] =
min(txpwr->mcs_20_mimo[j], local_constraint_qdbm);
/* 40MHz MCS 0-7 SISO */
for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
txpwr->mcs_40_siso[j] =
min(txpwr->mcs_40_siso[j], local_constraint_qdbm);
}
/* 40MHz MCS 0-7 CDD */
for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
txpwr->mcs_40_cdd[j] =
min(txpwr->mcs_40_cdd[j], local_constraint_qdbm);
}
/* 40MHz MCS 0-7 STBC */
for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
txpwr->mcs_40_stbc[j] =
min(txpwr->mcs_40_stbc[j], local_constraint_qdbm);
}
/* 40MHz MCS 8-15 MIMO */
for (j = 0; j < WLC_NUM_RATES_MCS_2_STREAM; j++)
txpwr->mcs_40_mimo[j] =
min(txpwr->mcs_40_mimo[j], local_constraint_qdbm);
/* 40MHz MCS 32 */
txpwr->mcs32 = min(txpwr->mcs32, local_constraint_qdbm);
}
void
wlc_channel_set_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chanspec,
u8 local_constraint_qdbm)
{
wlc_info_t *wlc = wlc_cm->wlc;
struct txpwr_limits txpwr;
wlc_channel_reg_limits(wlc_cm, chanspec, &txpwr);
wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm, &txpwr,
local_constraint_qdbm);
wlc_bmac_set_chanspec(wlc->hw, chanspec,
(wlc_quiet_chanspec(wlc_cm, chanspec) != 0),
&txpwr);
}
int
wlc_channel_set_txpower_limit(wlc_cm_info_t *wlc_cm,
u8 local_constraint_qdbm)
{
wlc_info_t *wlc = wlc_cm->wlc;
struct txpwr_limits txpwr;
wlc_channel_reg_limits(wlc_cm, wlc->chanspec, &txpwr);
wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm, &txpwr,
local_constraint_qdbm);
wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec);
return 0;
}
#ifdef POWER_DBG
static void wlc_phy_txpower_limits_dump(txpwr_limits_t *txpwr)
{
int i;
char fraction[4][4] = { " ", ".25", ".5 ", ".75" };
printf("CCK ");
for (i = 0; i < WLC_NUM_RATES_CCK; i++) {
printf(" %2d%s", txpwr->cck[i] / WLC_TXPWR_DB_FACTOR,
fraction[txpwr->cck[i] % WLC_TXPWR_DB_FACTOR]);
}
printf("\n");
printf("20 MHz OFDM SISO ");
for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
printf(" %2d%s", txpwr->ofdm[i] / WLC_TXPWR_DB_FACTOR,
fraction[txpwr->ofdm[i] % WLC_TXPWR_DB_FACTOR]);
}
printf("\n");
printf("20 MHz OFDM CDD ");
for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
printf(" %2d%s", txpwr->ofdm_cdd[i] / WLC_TXPWR_DB_FACTOR,
fraction[txpwr->ofdm_cdd[i] % WLC_TXPWR_DB_FACTOR]);
}
printf("\n");
printf("40 MHz OFDM SISO ");
for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
printf(" %2d%s", txpwr->ofdm_40_siso[i] / WLC_TXPWR_DB_FACTOR,
fraction[txpwr->ofdm_40_siso[i] % WLC_TXPWR_DB_FACTOR]);
}
printf("\n");
printf("40 MHz OFDM CDD ");
for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
printf(" %2d%s", txpwr->ofdm_40_cdd[i] / WLC_TXPWR_DB_FACTOR,
fraction[txpwr->ofdm_40_cdd[i] % WLC_TXPWR_DB_FACTOR]);
}
printf("\n");
printf("20 MHz MCS0-7 SISO ");
for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
printf(" %2d%s", txpwr->mcs_20_siso[i] / WLC_TXPWR_DB_FACTOR,
fraction[txpwr->mcs_20_siso[i] % WLC_TXPWR_DB_FACTOR]);
}
printf("\n");
printf("20 MHz MCS0-7 CDD ");
for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
printf(" %2d%s", txpwr->mcs_20_cdd[i] / WLC_TXPWR_DB_FACTOR,
fraction[txpwr->mcs_20_cdd[i] % WLC_TXPWR_DB_FACTOR]);
}
printf("\n");
printf("20 MHz MCS0-7 STBC ");
for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
printf(" %2d%s", txpwr->mcs_20_stbc[i] / WLC_TXPWR_DB_FACTOR,
fraction[txpwr->mcs_20_stbc[i] % WLC_TXPWR_DB_FACTOR]);
}
printf("\n");
printf("20 MHz MCS8-15 SDM ");
for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
printf(" %2d%s", txpwr->mcs_20_mimo[i] / WLC_TXPWR_DB_FACTOR,
fraction[txpwr->mcs_20_mimo[i] % WLC_TXPWR_DB_FACTOR]);
}
printf("\n");
printf("40 MHz MCS0-7 SISO ");
for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
printf(" %2d%s", txpwr->mcs_40_siso[i] / WLC_TXPWR_DB_FACTOR,
fraction[txpwr->mcs_40_siso[i] % WLC_TXPWR_DB_FACTOR]);
}
printf("\n");
printf("40 MHz MCS0-7 CDD ");
for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
printf(" %2d%s", txpwr->mcs_40_cdd[i] / WLC_TXPWR_DB_FACTOR,
fraction[txpwr->mcs_40_cdd[i] % WLC_TXPWR_DB_FACTOR]);
}
printf("\n");
printf("40 MHz MCS0-7 STBC ");
for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
printf(" %2d%s", txpwr->mcs_40_stbc[i] / WLC_TXPWR_DB_FACTOR,
fraction[txpwr->mcs_40_stbc[i] % WLC_TXPWR_DB_FACTOR]);
}
printf("\n");
printf("40 MHz MCS8-15 SDM ");
for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
printf(" %2d%s", txpwr->mcs_40_mimo[i] / WLC_TXPWR_DB_FACTOR,
fraction[txpwr->mcs_40_mimo[i] % WLC_TXPWR_DB_FACTOR]);
}
printf("\n");
printf("MCS32 %2d%s\n",
txpwr->mcs32 / WLC_TXPWR_DB_FACTOR,
fraction[txpwr->mcs32 % WLC_TXPWR_DB_FACTOR]);
}
#endif /* POWER_DBG */
void
wlc_channel_reg_limits(wlc_cm_info_t *wlc_cm, chanspec_t chanspec,
txpwr_limits_t *txpwr)
{
wlc_info_t *wlc = wlc_cm->wlc;
uint i;
uint chan;
int maxpwr;
int delta;
const country_info_t *country;
wlcband_t *band;
const locale_info_t *li;
int conducted_max;
int conducted_ofdm_max;
const locale_mimo_info_t *li_mimo;
int maxpwr20, maxpwr40;
int maxpwr_idx;
uint j;
bzero(txpwr, sizeof(txpwr_limits_t));
if (!wlc_valid_chanspec_db(wlc_cm, chanspec)) {
country = wlc_country_lookup(wlc, wlc->autocountry_default);
if (country == NULL)
return;
} else {
country = wlc_cm->country;
}
chan = CHSPEC_CHANNEL(chanspec);
band = wlc->bandstate[CHSPEC_WLCBANDUNIT(chanspec)];
li = BAND_5G(band->bandtype) ?
wlc_get_locale_5g(country->locale_5G) :
wlc_get_locale_2g(country->locale_2G);
li_mimo = BAND_5G(band->bandtype) ?
wlc_get_mimo_5g(country->locale_mimo_5G) :
wlc_get_mimo_2g(country->locale_mimo_2G);
if (li->flags & WLC_EIRP) {
delta = band->antgain;
} else {
delta = 0;
if (band->antgain > QDB(6))
delta = band->antgain - QDB(6); /* Excess over 6 dB */
}
if (li == &locale_i) {
conducted_max = QDB(22);
conducted_ofdm_max = QDB(22);
}
/* CCK txpwr limits for 2.4G band */
if (BAND_2G(band->bandtype)) {
maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_CCK(chan)];
maxpwr = maxpwr - delta;
maxpwr = max(maxpwr, 0);
maxpwr = min(maxpwr, conducted_max);
for (i = 0; i < WLC_NUM_RATES_CCK; i++)
txpwr->cck[i] = (u8) maxpwr;
}
/* OFDM txpwr limits for 2.4G or 5G bands */
if (BAND_2G(band->bandtype)) {
maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_OFDM(chan)];
} else {
maxpwr = li->maxpwr[CHANNEL_POWER_IDX_5G(chan)];
}
maxpwr = maxpwr - delta;
maxpwr = max(maxpwr, 0);
maxpwr = min(maxpwr, conducted_ofdm_max);
/* Keep OFDM lmit below CCK limit */
if (BAND_2G(band->bandtype))
maxpwr = min_t(int, maxpwr, txpwr->cck[0]);
for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
txpwr->ofdm[i] = (u8) maxpwr;
}
for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
/* OFDM 40 MHz SISO has the same power as the corresponding MCS0-7 rate unless
* overriden by the locale specific code. We set this value to 0 as a
* flag (presumably 0 dBm isn't a possibility) and then copy the MCS0-7 value
* to the 40 MHz value if it wasn't explicitly set.
*/
txpwr->ofdm_40_siso[i] = 0;
txpwr->ofdm_cdd[i] = (u8) maxpwr;
txpwr->ofdm_40_cdd[i] = 0;
}
/* MIMO/HT specific limits */
if (li_mimo->flags & WLC_EIRP) {
delta = band->antgain;
} else {
delta = 0;
if (band->antgain > QDB(6))
delta = band->antgain - QDB(6); /* Excess over 6 dB */
}
if (BAND_2G(band->bandtype))
maxpwr_idx = (chan - 1);
else
maxpwr_idx = CHANNEL_POWER_IDX_5G(chan);
maxpwr20 = li_mimo->maxpwr20[maxpwr_idx];
maxpwr40 = li_mimo->maxpwr40[maxpwr_idx];
maxpwr20 = maxpwr20 - delta;
maxpwr20 = max(maxpwr20, 0);
maxpwr40 = maxpwr40 - delta;
maxpwr40 = max(maxpwr40, 0);
/* Fill in the MCS 0-7 (SISO) rates */
for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
/* 20 MHz has the same power as the corresponding OFDM rate unless
* overriden by the locale specific code.
*/
txpwr->mcs_20_siso[i] = txpwr->ofdm[i];
txpwr->mcs_40_siso[i] = 0;
}
/* Fill in the MCS 0-7 CDD rates */
for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
txpwr->mcs_20_cdd[i] = (u8) maxpwr20;
txpwr->mcs_40_cdd[i] = (u8) maxpwr40;
}
/* These locales have SISO expressed in the table and override CDD later */
if (li_mimo == &locale_bn) {
if (li_mimo == &locale_bn) {
maxpwr20 = QDB(16);
maxpwr40 = 0;
if (chan >= 3 && chan <= 11) {
maxpwr40 = QDB(16);
}
}
for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
txpwr->mcs_20_siso[i] = (u8) maxpwr20;
txpwr->mcs_40_siso[i] = (u8) maxpwr40;
}
}
/* Fill in the MCS 0-7 STBC rates */
for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
txpwr->mcs_20_stbc[i] = 0;
txpwr->mcs_40_stbc[i] = 0;
}
/* Fill in the MCS 8-15 SDM rates */
for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
txpwr->mcs_20_mimo[i] = (u8) maxpwr20;
txpwr->mcs_40_mimo[i] = (u8) maxpwr40;
}
/* Fill in MCS32 */
txpwr->mcs32 = (u8) maxpwr40;
for (i = 0, j = 0; i < WLC_NUM_RATES_OFDM; i++, j++) {
if (txpwr->ofdm_40_cdd[i] == 0)
txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
if (i == 0) {
i = i + 1;
if (txpwr->ofdm_40_cdd[i] == 0)
txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
}
}
/* Copy the 40 MHZ MCS 0-7 CDD value to the 40 MHZ MCS 0-7 SISO value if it wasn't
* provided explicitly.
*/
for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
if (txpwr->mcs_40_siso[i] == 0)
txpwr->mcs_40_siso[i] = txpwr->mcs_40_cdd[i];
}
for (i = 0, j = 0; i < WLC_NUM_RATES_OFDM; i++, j++) {
if (txpwr->ofdm_40_siso[i] == 0)
txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
if (i == 0) {
i = i + 1;
if (txpwr->ofdm_40_siso[i] == 0)
txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
}
}
/* Copy the 20 and 40 MHz MCS0-7 CDD values to the corresponding STBC values if they weren't
* provided explicitly.
*/
for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
if (txpwr->mcs_20_stbc[i] == 0)
txpwr->mcs_20_stbc[i] = txpwr->mcs_20_cdd[i];
if (txpwr->mcs_40_stbc[i] == 0)
txpwr->mcs_40_stbc[i] = txpwr->mcs_40_cdd[i];
}
#ifdef POWER_DBG
wlc_phy_txpower_limits_dump(txpwr);
#endif
return;
}
/* Returns true if currently set country is Japan or variant */
bool wlc_japan(struct wlc_info *wlc)
{
return wlc_japan_ccode(wlc->cmi->country_abbrev);
}
/* JP, J1 - J10 are Japan ccodes */
static bool wlc_japan_ccode(const char *ccode)
{
return (ccode[0] == 'J' &&
(ccode[1] == 'P' || (ccode[1] >= '1' && ccode[1] <= '9')));
}
/*
* Validate the chanspec for this locale, for 40MHZ we need to also check that the sidebands
* are valid 20MZH channels in this locale and they are also a legal HT combination
*/
static bool
wlc_valid_chanspec_ext(wlc_cm_info_t *wlc_cm, chanspec_t chspec, bool dualband)
{
wlc_info_t *wlc = wlc_cm->wlc;
u8 channel = CHSPEC_CHANNEL(chspec);
/* check the chanspec */
if (wf_chspec_malformed(chspec)) {
WL_ERROR(("wl%d: malformed chanspec 0x%x\n", wlc->pub->unit,
chspec));
ASSERT(0);
return false;
}
if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) !=
CHSPEC_WLCBANDUNIT(chspec))
return false;
/* Check a 20Mhz channel */
if (CHSPEC_IS20(chspec)) {
if (dualband)
return VALID_CHANNEL20_DB(wlc_cm->wlc, channel);
else
return VALID_CHANNEL20(wlc_cm->wlc, channel);
}
#ifdef SUPPORT_40MHZ
/* We know we are now checking a 40MHZ channel, so we should only be here
* for NPHYS
*/
if (WLCISNPHY(wlc->band) || WLCISSSLPNPHY(wlc->band)) {
u8 upper_sideband = 0, idx;
u8 num_ch20_entries =
sizeof(chan20_info) / sizeof(struct chan20_info);
if (!VALID_40CHANSPEC_IN_BAND(wlc, CHSPEC_WLCBANDUNIT(chspec)))
return false;
if (dualband) {
if (!VALID_CHANNEL20_DB(wlc, LOWER_20_SB(channel)) ||
!VALID_CHANNEL20_DB(wlc, UPPER_20_SB(channel)))
return false;
} else {
if (!VALID_CHANNEL20(wlc, LOWER_20_SB(channel)) ||
!VALID_CHANNEL20(wlc, UPPER_20_SB(channel)))
return false;
}
/* find the lower sideband info in the sideband array */
for (idx = 0; idx < num_ch20_entries; idx++) {
if (chan20_info[idx].sb == LOWER_20_SB(channel))
upper_sideband = chan20_info[idx].adj_sbs;
}
/* check that the lower sideband allows an upper sideband */
if ((upper_sideband & (CH_UPPER_SB | CH_EWA_VALID)) ==
(CH_UPPER_SB | CH_EWA_VALID))
return true;
return false;
}
#endif /* 40 MHZ */
return false;
}
bool wlc_valid_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
{
return wlc_valid_chanspec_ext(wlc_cm, chspec, false);
}
bool wlc_valid_chanspec_db(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
{
return wlc_valid_chanspec_ext(wlc_cm, chspec, true);
}