diff options
Diffstat (limited to 'drivers/staging/brcm80211/brcmsmac/wlc_channel.c')
-rw-r--r-- | drivers/staging/brcm80211/brcmsmac/wlc_channel.c | 1557 |
1 files changed, 0 insertions, 1557 deletions
diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_channel.c b/drivers/staging/brcm80211/brcmsmac/wlc_channel.c deleted file mode 100644 index a3a2bf9b4f12..000000000000 --- a/drivers/staging/brcm80211/brcmsmac/wlc_channel.c +++ /dev/null @@ -1,1557 +0,0 @@ -/* - * 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/types.h> -#include <linux/module.h> -#include <linux/pci.h> - -#include <bcmdefs.h> -#include <bcmutils.h> -#include <bcmnvram.h> -#include <aiutils.h> -#include <sbhnddma.h> -#include <wlioctl.h> - -#include "wlc_types.h" -#include "d11.h" -#include "wlc_cfg.h" -#include "wlc_scb.h" -#include "wlc_pub.h" -#include "wlc_key.h" -#include "phy/wlc_phy_hal.h" -#include "wlc_bmac.h" -#include "wlc_rate.h" -#include "wlc_channel.h" -#include "wlc_main.h" -#include "wlc_stf.h" -#include "wl_dbg.h" - -#define VALID_CHANNEL20_DB(wlc, val) wlc_valid_channel20_db((wlc)->cmi, val) -#define VALID_CHANNEL20_IN_BAND(wlc, bandunit, val) \ - wlc_valid_channel20_in_band((wlc)->cmi, bandunit, val) -#define VALID_CHANNEL20(wlc, val) wlc_valid_channel20((wlc)->cmi, val) - -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 { - struct wlc_pub *pub; - struct wlc_info *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_set_countrycode(wlc_cm_info_t *wlc_cm, const char *ccode); -static int wlc_set_countrycode_rev(wlc_cm_info_t *wlc_cm, - const char *country_abbrev, - const char *ccode, int regrev); -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 void wlc_quiet_channels_reset(wlc_cm_info_t *wlc_cm); -static bool wlc_quiet_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec); -static bool wlc_valid_channel20_db(wlc_cm_info_t *wlc_cm, uint val); -static bool wlc_valid_channel20_in_band(wlc_cm_info_t *wlc_cm, uint bandunit, - uint val); -static bool wlc_valid_channel20(wlc_cm_info_t *wlc_cm, uint val); -static const country_info_t *wlc_country_lookup(struct wlc_info *wlc, - const char *ccode); -static void wlc_locale_get_channels(const locale_info_t *locale, - chanvec_t *valid_channels); -static const locale_info_t *wlc_get_locale_2g(u8 locale_idx); -static const locale_info_t *wlc_get_locale_5g(u8 locale_idx); -static bool wlc_japan(struct wlc_info *wlc); -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); -static 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 -}; - -static 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]; - } -} - -static void wlc_locale_get_channels(const locale_info_t *locale, - chanvec_t *channels) -{ - u8 i; - - memset(channels, 0, 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 */ - -static const locale_info_t *wlc_get_locale_2g(u8 locale_idx) -{ - if (locale_idx >= ARRAY_SIZE(g_locale_2g_table)) { - return NULL; /* error condition */ - } - return g_locale_2g_table[locale_idx]; -} - -static const locale_info_t *wlc_get_locale_5g(u8 locale_idx) -{ - if (locale_idx >= ARRAY_SIZE(g_locale_5g_table)) { - return NULL; /* error condition */ - } - return g_locale_5g_table[locale_idx]; -} - -static const locale_mimo_info_t *wlc_get_mimo_2g(u8 locale_idx) -{ - if (locale_idx >= ARRAY_SIZE(g_mimo_2g_table)) { - return NULL; - } - return g_mimo_2g_table[locale_idx]; -} - -static const locale_mimo_info_t *wlc_get_mimo_5g(u8 locale_idx) -{ - if (locale_idx >= ARRAY_SIZE(g_mimo_5g_table)) { - return NULL; - } - return g_mimo_5g_table[locale_idx]; -} - -wlc_cm_info_t *wlc_channel_mgr_attach(struct wlc_info *wlc) -{ - wlc_cm_info_t *wlc_cm; - char country_abbrev[WLC_CNTRY_BUF_SZ]; - const country_info_t *country; - struct wlc_pub *pub = wlc->pub; - char *ccode; - - BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit); - - wlc_cm = kzalloc(sizeof(wlc_cm_info_t), GFP_ATOMIC); - if (wlc_cm == NULL) { - wiphy_err(wlc->wiphy, "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); - } - - /* internal country information which must match regulatory constraints in firmware */ - memset(country_abbrev, 0, WLC_CNTRY_BUF_SZ); - strncpy(country_abbrev, "X2", sizeof(country_abbrev) - 1); - country = wlc_country_lookup(wlc, country_abbrev); - - /* 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) -{ - kfree(wlc_cm); -} - -u8 wlc_channel_locale_flags_in_band(wlc_cm_info_t *wlc_cm, uint bandunit) -{ - return wlc_cm->bandstate[bandunit].locale_flags; -} - -/* 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. - */ -static 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); -} - -static 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; - - /* 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 */ - country = wlc_country_lookup_direct(ccode, regrev); - strncpy(mapped_ccode, ccode, WLC_CNTRY_BUF_SZ); - mapped_regrev = regrev; - } - - if (country == NULL) - return -EINVAL; - - /* 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; - struct wlc_info *wlc = wlc_cm->wlc; - char prev_country_abbrev[WLC_CNTRY_BUF_SZ]; - - /* save current country state */ - wlc_cm->country = country; - - memset(&prev_country_abbrev, 0, 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. - */ -static 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) -{ - struct wlc_info *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)) { - wiphy_err(wlc->wiphy, "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; - wiphy_err(wlc->wiphy, "srom_code == ccode %s\n", __func__); - } 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; - 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; - } - } - return NULL; -} - -static int -wlc_channels_init(wlc_cm_info_t *wlc_cm, const country_info_t *country) -{ - struct wlc_info *wlc = wlc_cm->wlc; - uint i, j; - struct wlcband *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); - 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); - - /* 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) -{ - struct wlc_info *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); - wiphy_err(wlc->wiphy, "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 */ -static void wlc_quiet_channels_reset(wlc_cm_info_t *wlc_cm) -{ - struct wlc_info *wlc = wlc_cm->wlc; - uint i, j; - struct wlcband *band; - const chanvec_t *chanvec; - - memset(&wlc_cm->quiet_channels, 0, 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]; - - } -} - -static 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) - */ -static bool wlc_valid_channel20_db(wlc_cm_info_t *wlc_cm, uint val) -{ - struct wlc_info *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? */ -static 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? */ -static bool wlc_valid_channel20(wlc_cm_info_t *wlc_cm, uint val) -{ - struct wlc_info *wlc = wlc_cm->wlc; - - return ((val < MAXCHANNEL) && - isset(wlc_cm->bandstate[wlc->band->bandunit].valid_channels.vec, - val)); -} - -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) -{ - struct wlc_info *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); -} - -#ifdef POWER_DBG -static void wlc_phy_txpower_limits_dump(txpwr_limits_t *txpwr) -{ - int i; - char buf[80]; - char fraction[4][4] = { " ", ".25", ".5 ", ".75" }; - - sprintf(buf, "CCK "); - for (i = 0; i < WLC_NUM_RATES_CCK; i++) { - sprintf(buf[strlen(buf)], " %2d%s", - txpwr->cck[i] / WLC_TXPWR_DB_FACTOR, - fraction[txpwr->cck[i] % WLC_TXPWR_DB_FACTOR]); - } - printk(KERN_DEBUG "%s\n", buf); - - sprintf(buf, "20 MHz OFDM SISO "); - for (i = 0; i < WLC_NUM_RATES_OFDM; i++) { - sprintf(buf[strlen(buf)], " %2d%s", - txpwr->ofdm[i] / WLC_TXPWR_DB_FACTOR, - fraction[txpwr->ofdm[i] % WLC_TXPWR_DB_FACTOR]); - } - printk(KERN_DEBUG "%s\n", buf); - - sprintf(buf, "20 MHz OFDM CDD "); - for (i = 0; i < WLC_NUM_RATES_OFDM; i++) { - sprintf(buf[strlen(buf)], " %2d%s", - txpwr->ofdm_cdd[i] / WLC_TXPWR_DB_FACTOR, - fraction[txpwr->ofdm_cdd[i] % WLC_TXPWR_DB_FACTOR]); - } - printk(KERN_DEBUG "%s\n", buf); - - sprintf(buf, "40 MHz OFDM SISO "); - for (i = 0; i < WLC_NUM_RATES_OFDM; i++) { - sprintf(buf[strlen(buf)], " %2d%s", - txpwr->ofdm_40_siso[i] / WLC_TXPWR_DB_FACTOR, - fraction[txpwr->ofdm_40_siso[i] % WLC_TXPWR_DB_FACTOR]); - } - printk(KERN_DEBUG "%s\n", buf); - - sprintf(buf, "40 MHz OFDM CDD "); - for (i = 0; i < WLC_NUM_RATES_OFDM; i++) { - sprintf(buf[strlen(buf)], " %2d%s", - txpwr->ofdm_40_cdd[i] / WLC_TXPWR_DB_FACTOR, - fraction[txpwr->ofdm_40_cdd[i] % WLC_TXPWR_DB_FACTOR]); - } - printk(KERN_DEBUG "%s\n", buf); - - sprintf(buf, "20 MHz MCS0-7 SISO "); - for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) { - sprintf(buf[strlen(buf)], " %2d%s", - txpwr->mcs_20_siso[i] / WLC_TXPWR_DB_FACTOR, - fraction[txpwr->mcs_20_siso[i] % WLC_TXPWR_DB_FACTOR]); - } - printk(KERN_DEBUG "%s\n", buf); - - sprintf(buf, "20 MHz MCS0-7 CDD "); - for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) { - sprintf(buf[strlen(buf)], " %2d%s", - txpwr->mcs_20_cdd[i] / WLC_TXPWR_DB_FACTOR, - fraction[txpwr->mcs_20_cdd[i] % WLC_TXPWR_DB_FACTOR]); - } - printk(KERN_DEBUG "%s\n", buf); - - sprintf(buf, "20 MHz MCS0-7 STBC "); - for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) { - sprintf(buf[strlen(buf)], " %2d%s", - txpwr->mcs_20_stbc[i] / WLC_TXPWR_DB_FACTOR, - fraction[txpwr->mcs_20_stbc[i] % WLC_TXPWR_DB_FACTOR]); - } - printk(KERN_DEBUG "%s\n", buf); - - sprintf(buf, "20 MHz MCS8-15 SDM "); - for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) { - sprintf(buf[strlen(buf)], " %2d%s", - txpwr->mcs_20_mimo[i] / WLC_TXPWR_DB_FACTOR, - fraction[txpwr->mcs_20_mimo[i] % WLC_TXPWR_DB_FACTOR]); - } - printk(KERN_DEBUG "%s\n", buf); - - sprintf(buf, "40 MHz MCS0-7 SISO "); - for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) { - sprintf(buf[strlen(buf)], " %2d%s", - txpwr->mcs_40_siso[i] / WLC_TXPWR_DB_FACTOR, - fraction[txpwr->mcs_40_siso[i] % WLC_TXPWR_DB_FACTOR]); - } - printk(KERN_DEBUG "%s\n", buf); - - sprintf(buf, "40 MHz MCS0-7 CDD "); - for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) { - sprintf(buf[strlen(buf)], " %2d%s", - txpwr->mcs_40_cdd[i] / WLC_TXPWR_DB_FACTOR, - fraction[txpwr->mcs_40_cdd[i] % WLC_TXPWR_DB_FACTOR]); - } - printk(KERN_DEBUG "%s\n", buf); - - sprintf(buf, "40 MHz MCS0-7 STBC "); - for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) { - sprintf(buf[strlen(buf)], " %2d%s", - txpwr->mcs_40_stbc[i] / WLC_TXPWR_DB_FACTOR, - fraction[txpwr->mcs_40_stbc[i] % WLC_TXPWR_DB_FACTOR]); - } - printk(KERN_DEBUG "%s\n", buf); - - sprintf(buf, "40 MHz MCS8-15 SDM "); - for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) { - sprintf(buf[strlen(buf)], " %2d%s", - txpwr->mcs_40_mimo[i] / WLC_TXPWR_DB_FACTOR, - fraction[txpwr->mcs_40_mimo[i] % WLC_TXPWR_DB_FACTOR]); - } - printk(KERN_DEBUG "%s\n", buf); - - printk(KERN_DEBUG "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) -{ - struct wlc_info *wlc = wlc_cm->wlc; - uint i; - uint chan; - int maxpwr; - int delta; - const country_info_t *country; - struct wlcband *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; - - memset(txpwr, 0, 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 */ -static 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) -{ - struct wlc_info *wlc = wlc_cm->wlc; - u8 channel = CHSPEC_CHANNEL(chspec); - - /* check the chanspec */ - if (bcm_chspec_malformed(chspec)) { - wiphy_err(wlc->wiphy, "wl%d: malformed chanspec 0x%x\n", - wlc->pub->unit, chspec); - 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_db(wlc_cm_info_t *wlc_cm, chanspec_t chspec) -{ - return wlc_valid_chanspec_ext(wlc_cm, chspec, true); -} |