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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmsmac/channel.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmsmac/channel.c132
1 files changed, 14 insertions, 118 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/channel.c b/drivers/net/wireless/brcm80211/brcmsmac/channel.c
index 04e6a6ec77f..d3c726021c3 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/channel.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/channel.c
@@ -30,13 +30,9 @@
/* QDB() macro takes a dB value and converts to a quarter dB value */
#define QDB(n) ((n) * BRCMS_TXPWR_DB_FACTOR)
-#define LOCALE_2G_IDX_i 0
-#define LOCALE_5G_IDX_11 0
#define LOCALE_MIMO_IDX_bn 0
#define LOCALE_MIMO_IDX_11n 0
-/* max of BAND_5G_PWR_LVLS and 6 for 2.4 GHz */
-#define BRCMS_MAXPWR_TBL_SIZE 6
/* max of BAND_5G_PWR_LVLS and 14 for 2.4 GHz */
#define BRCMS_MAXPWR_MIMO_TBL_SIZE 14
@@ -51,12 +47,8 @@
#define LC(id) LOCALE_MIMO_IDX_ ## id
-#define LC_2G(id) LOCALE_2G_IDX_ ## id
-
-#define LC_5G(id) LOCALE_5G_IDX_ ## id
-
-#define LOCALES(band2, band5, mimo2, mimo5) \
- {LC_2G(band2), LC_5G(band5), LC(mimo2), LC(mimo5)}
+#define LOCALES(mimo2, mimo5) \
+ {LC(mimo2), LC(mimo5)}
/* macro to get 5 GHz channel group index for tx power */
#define CHANNEL_POWER_IDX_5G(c) (((c) < 52) ? 0 : \
@@ -97,11 +89,6 @@ static const struct ieee80211_regdomain brcms_regdom_x2 = {
}
};
-struct brcms_cm_band {
- /* struct locale_info flags */
- u8 locale_flags;
-};
-
/* locale per-channel tx power limits for MIMO frames
* maxpwr arrays are index by channel for 2.4 GHz limits, and
* by sub-band for 5 GHz limits using CHANNEL_POWER_IDX_5G(channel)
@@ -111,13 +98,10 @@ struct locale_mimo_info {
s8 maxpwr20[BRCMS_MAXPWR_MIMO_TBL_SIZE];
/* tx 40 MHz power limits, qdBm units */
s8 maxpwr40[BRCMS_MAXPWR_MIMO_TBL_SIZE];
- u8 flags;
};
/* Country names and abbreviations with locale defined from ISO 3166 */
struct country_info {
- const u8 locale_2G; /* 2.4G band locale */
- const u8 locale_5G; /* 5G band locale */
const u8 locale_mimo_2G; /* 2.4G mimo info */
const u8 locale_mimo_5G; /* 5G mimo info */
};
@@ -131,35 +115,6 @@ struct brcms_cm_info {
struct brcms_pub *pub;
struct brcms_c_info *wlc;
const struct brcms_regd *world_regd;
- /* per-band state (one per phy/radio) */
- struct brcms_cm_band bandstate[MAXBANDS];
-};
-
-/* locale channel and power info. */
-struct locale_info {
- u8 flags;
-};
-
-/*
- * Locale Definitions - 2.4 GHz
- */
-static const struct locale_info locale_i = { /* locale i. channel 1 - 13 */
- BRCMS_EIRP
-};
-
-/*
- * Locale Definitions - 5 GHz
- */
-static const struct locale_info locale_11 = {
- BRCMS_EIRP | BRCMS_DFS_EU
-};
-
-static const struct locale_info *g_locale_2g_table[] = {
- &locale_i
-};
-
-static const struct locale_info *g_locale_5g_table[] = {
- &locale_11
};
/*
@@ -172,7 +127,6 @@ static const struct locale_mimo_info locale_bn = {
{0, 0, QDB(13), QDB(13), QDB(13),
QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
QDB(13), 0, 0},
- 0
};
static const struct locale_mimo_info *g_mimo_2g_table[] = {
@@ -185,7 +139,6 @@ static const struct locale_mimo_info *g_mimo_2g_table[] = {
static const struct locale_mimo_info locale_11n = {
{ /* 12.5 dBm */ 50, 50, 50, QDB(15), QDB(15)},
{QDB(14), QDB(15), QDB(15), QDB(15), QDB(15)},
- 0
};
static const struct locale_mimo_info *g_mimo_5g_table[] = {
@@ -195,27 +148,11 @@ static const struct locale_mimo_info *g_mimo_5g_table[] = {
static const struct brcms_regd cntry_locales[] = {
/* Worldwide RoW 2, must always be at index 0 */
{
- .country = LOCALES(i, 11, bn, 11n),
+ .country = LOCALES(bn, 11n),
.regdomain = &brcms_regdom_x2,
},
};
-static const struct locale_info *brcms_c_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 struct locale_info *brcms_c_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 struct locale_mimo_info *brcms_c_get_mimo_2g(u8 locale_idx)
{
if (locale_idx >= ARRAY_SIZE(g_mimo_2g_table))
@@ -368,36 +305,6 @@ brcms_c_channel_min_txpower_limits_with_local_constraint(
}
-static int
-brcms_c_channels_init(struct brcms_cm_info *wlc_cm,
- const struct country_info *country)
-{
- struct brcms_c_info *wlc = wlc_cm->wlc;
- uint i;
- struct brcms_band *band;
- const struct locale_info *li;
- const struct locale_mimo_info *li_mimo;
-
- band = wlc->band;
- for (i = 0; i < wlc->pub->_nbands;
- i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
-
- li = (band->bandtype == BRCM_BAND_5G) ?
- brcms_c_get_locale_5g(country->locale_5G) :
- brcms_c_get_locale_2g(country->locale_2G);
- wlc_cm->bandstate[band->bandunit].locale_flags = li->flags;
- li_mimo = (band->bandtype == BRCM_BAND_5G) ?
- brcms_c_get_mimo_5g(country->locale_mimo_5G) :
- brcms_c_get_mimo_2g(country->locale_mimo_2G);
-
- /* merge the mimo non-mimo locale flags */
- wlc_cm->bandstate[band->bandunit].locale_flags |=
- li_mimo->flags;
- }
-
- return 0;
-}
-
/*
* set the driver's current country and regulatory information
* using a country code as the source. Look up built in country
@@ -407,8 +314,6 @@ static void
brcms_c_set_country(struct brcms_cm_info *wlc_cm,
const struct brcms_regd *regd)
{
- const struct country_info *country = &regd->country;
- const struct locale_info *locale;
struct brcms_c_info *wlc = wlc_cm->wlc;
if ((wlc->pub->_n_enab & SUPPORT_11N) !=
@@ -417,14 +322,8 @@ brcms_c_set_country(struct brcms_cm_info *wlc_cm,
brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]);
brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]);
- /* set or restore gmode as required by regulatory */
- locale = brcms_c_get_locale_2g(country->locale_2G);
- if (locale && (locale->flags & BRCMS_NO_OFDM))
- brcms_c_set_gmode(wlc, GMODE_LEGACY_B, false);
- else
- brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false);
- brcms_c_channels_init(wlc_cm, country);
+ brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false);
return;
}
@@ -477,20 +376,15 @@ void brcms_c_channel_mgr_detach(struct brcms_cm_info *wlc_cm)
kfree(wlc_cm);
}
-u8
-brcms_c_channel_locale_flags_in_band(struct brcms_cm_info *wlc_cm,
- uint bandunit)
-{
- return wlc_cm->bandstate[bandunit].locale_flags;
-}
-
void
brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec,
u8 local_constraint_qdbm)
{
struct brcms_c_info *wlc = wlc_cm->wlc;
struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.channel;
+ const struct ieee80211_reg_rule *reg_rule;
struct txpwr_limits txpwr;
+ int ret;
brcms_c_channel_reg_limits(wlc_cm, chanspec, &txpwr);
@@ -498,6 +392,13 @@ brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec,
wlc_cm, &txpwr, local_constraint_qdbm
);
+ /* set or restore gmode as required by regulatory */
+ ret = freq_reg_info(wlc->wiphy, ch->center_freq, 0, &reg_rule);
+ if (!ret && (reg_rule->flags & NL80211_RRF_NO_OFDM))
+ brcms_c_set_gmode(wlc, GMODE_LEGACY_B, false);
+ else
+ brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false);
+
brcms_b_set_chanspec(wlc->hw, chanspec,
!!(ch->flags & IEEE80211_CHAN_PASSIVE_SCAN),
&txpwr);
@@ -515,7 +416,6 @@ brcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm, u16 chanspec,
int delta;
const struct country_info *country;
struct brcms_band *band;
- const struct locale_info *li;
int conducted_max = BRCMS_TXPWR_MAX;
const struct locale_mimo_info *li_mimo;
int maxpwr20, maxpwr40;
@@ -531,17 +431,13 @@ brcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm, u16 chanspec,
chan = CHSPEC_CHANNEL(chanspec);
band = wlc->bandstate[chspec_bandunit(chanspec)];
- li = (band->bandtype == BRCM_BAND_5G) ?
- brcms_c_get_locale_5g(country->locale_5G) :
- brcms_c_get_locale_2g(country->locale_2G);
-
li_mimo = (band->bandtype == BRCM_BAND_5G) ?
brcms_c_get_mimo_5g(country->locale_mimo_5G) :
brcms_c_get_mimo_2g(country->locale_mimo_2G);
delta = band->antgain;
- if (li == &locale_i)
+ if (band->bandtype == BRCM_BAND_2G)
conducted_max = QDB(22);
maxpwr = QDB(ch->max_power) - delta;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-18 09:53:00 +0000