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Diffstat (limited to 'drivers/staging/brcm80211/sys/wlc_channel.c')
-rw-r--r--drivers/staging/brcm80211/sys/wlc_channel.c1599
1 files changed, 1599 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/sys/wlc_channel.c b/drivers/staging/brcm80211/sys/wlc_channel.c
new file mode 100644
index 0000000..5092803
--- /dev/null
+++ b/drivers/staging/brcm80211/sys/wlc_channel.c
@@ -0,0 +1,1599 @@
+/*
+ * 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);
+}
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