/* Update the radio state (enable/disable) and tx power targets
* based on a new set of channel/regulatory information
*/
static void brcms_c_channels_commit(struct brcms_cm_info *wlc_cm)
{
struct brcms_c_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 (brcms_c_valid_channel20_db(wlc->cmi, 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, wlc->pub->_nbands,
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 (wlc->pub->_nbands > 1 || wlc->band->bandtype == BRCM_BAND_2G)
wlc_phy_chanspec_ch14_widefilter_set(wlc->band->pi,
brcms_c_japan(wlc) ? true :
false);
if (wlc->pub->up && chan != INVCHANNEL) {
brcms_c_channel_reg_limits(wlc_cm, wlc->chanspec, &txpwr);
brcms_c_channel_min_txpower_limits_with_local_constraint(wlc_cm,
&txpwr, BRCMS_TXPWR_MAX);
wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec);
}
}
int
wlc_channel_set_txpower_limit(wlc_cm_info_t *wlc_cm,
u8 local_constraint_qdbm)
{
struct wlc_info *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;
}
/* 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);
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);
}
}