static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
struct iwl_nvm_data *data,
const __le16 * const nvm_ch_flags,
bool lar_supported)
{
int ch_idx;
int n_channels = 0;
struct ieee80211_channel *channel;
u16 ch_flags;
bool is_5ghz;
int num_of_ch, num_2ghz_channels;
const u8 *nvm_chan;
if (cfg->device_family != IWL_DEVICE_FAMILY_8000) {
num_of_ch = IWL_NUM_CHANNELS;
nvm_chan = &iwl_nvm_channels[0];
num_2ghz_channels = NUM_2GHZ_CHANNELS;
} else {
num_of_ch = IWL_NUM_CHANNELS_FAMILY_8000;
nvm_chan = &iwl_nvm_channels_family_8000[0];
num_2ghz_channels = NUM_2GHZ_CHANNELS_FAMILY_8000;
}
for (ch_idx = 0; ch_idx < num_of_ch; ch_idx++) {
ch_flags = __le16_to_cpup(nvm_ch_flags + ch_idx);
if (ch_idx >= num_2ghz_channels &&
!data->sku_cap_band_52GHz_enable)
continue;
if (ch_flags & NVM_CHANNEL_160MHZ)
data->vht160_supported = true;
if (!lar_supported && !(ch_flags & NVM_CHANNEL_VALID)) {
/*
* Channels might become valid later if lar is
* supported, hence we still want to add them to
* the list of supported channels to cfg80211.
*/
IWL_DEBUG_EEPROM(dev,
"Ch. %d Flags %x [%sGHz] - No traffic\n",
nvm_chan[ch_idx],
ch_flags,
(ch_idx >= num_2ghz_channels) ?
"5.2" : "2.4");
continue;
}
channel = &data->channels[n_channels];
n_channels++;
channel->hw_value = nvm_chan[ch_idx];
channel->band = (ch_idx < num_2ghz_channels) ?
NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
channel->center_freq =
ieee80211_channel_to_frequency(
channel->hw_value, channel->band);
/* Initialize regulatory-based run-time data */
/*
* Default value - highest tx power value. max_power
* is not used in mvm, and is used for backwards compatibility
*/
channel->max_power = IWL_DEFAULT_MAX_TX_POWER;
is_5ghz = channel->band == NL80211_BAND_5GHZ;
/* don't put limitations in case we're using LAR */
if (!lar_supported)
channel->flags = iwl_get_channel_flags(nvm_chan[ch_idx],
ch_idx, is_5ghz,
ch_flags, cfg);
else
channel->flags = 0;
IWL_DEBUG_EEPROM(dev,
"Ch. %d [%sGHz] flags 0x%x %s%s%s%s%s%s%s%s%s%s(%ddBm): Ad-Hoc %ssupported\n",
channel->hw_value,
is_5ghz ? "5.2" : "2.4",
ch_flags,
CHECK_AND_PRINT_I(VALID),
CHECK_AND_PRINT_I(IBSS),
CHECK_AND_PRINT_I(ACTIVE),
CHECK_AND_PRINT_I(RADAR),
CHECK_AND_PRINT_I(INDOOR_ONLY),
CHECK_AND_PRINT_I(GO_CONCURRENT),
CHECK_AND_PRINT_I(WIDE),
CHECK_AND_PRINT_I(40MHZ),
CHECK_AND_PRINT_I(80MHZ),
CHECK_AND_PRINT_I(160MHZ),
channel->max_power,
((ch_flags & NVM_CHANNEL_IBSS) &&
!(ch_flags & NVM_CHANNEL_RADAR))
? "" : "not ");
}
return n_channels;
}
static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
struct iwl_nvm_data *data,
const void * const nvm_ch_flags,
u32 sbands_flags, bool v4)
{
int ch_idx;
int n_channels = 0;
struct ieee80211_channel *channel;
u32 ch_flags;
int num_of_ch, num_2ghz_channels = NUM_2GHZ_CHANNELS;
const u16 *nvm_chan;
if (cfg->uhb_supported) {
num_of_ch = IWL_NVM_NUM_CHANNELS_UHB;
nvm_chan = iwl_uhb_nvm_channels;
} else if (cfg->nvm_type == IWL_NVM_EXT) {
num_of_ch = IWL_NVM_NUM_CHANNELS_EXT;
nvm_chan = iwl_ext_nvm_channels;
} else {
num_of_ch = IWL_NVM_NUM_CHANNELS;
nvm_chan = iwl_nvm_channels;
}
for (ch_idx = 0; ch_idx < num_of_ch; ch_idx++) {
bool is_5ghz = (ch_idx >= num_2ghz_channels);
if (v4)
ch_flags =
__le32_to_cpup((__le32 *)nvm_ch_flags + ch_idx);
else
ch_flags =
__le16_to_cpup((__le16 *)nvm_ch_flags + ch_idx);
if (is_5ghz && !data->sku_cap_band_52ghz_enable)
continue;
/* workaround to disable wide channels in 5GHz */
if ((sbands_flags & IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ) &&
is_5ghz) {
ch_flags &= ~(NVM_CHANNEL_40MHZ |
NVM_CHANNEL_80MHZ |
NVM_CHANNEL_160MHZ);
}
if (ch_flags & NVM_CHANNEL_160MHZ)
data->vht160_supported = true;
if (!(sbands_flags & IWL_NVM_SBANDS_FLAGS_LAR) &&
!(ch_flags & NVM_CHANNEL_VALID)) {
/*
* Channels might become valid later if lar is
* supported, hence we still want to add them to
* the list of supported channels to cfg80211.
*/
iwl_nvm_print_channel_flags(dev, IWL_DL_EEPROM,
nvm_chan[ch_idx], ch_flags);
continue;
}
channel = &data->channels[n_channels];
n_channels++;
channel->hw_value = nvm_chan[ch_idx];
channel->band = is_5ghz ?
NL80211_BAND_5GHZ : NL80211_BAND_2GHZ;
channel->center_freq =
ieee80211_channel_to_frequency(
channel->hw_value, channel->band);
/* Initialize regulatory-based run-time data */
/*
* Default value - highest tx power value. max_power
* is not used in mvm, and is used for backwards compatibility
*/
channel->max_power = IWL_DEFAULT_MAX_TX_POWER;
/* don't put limitations in case we're using LAR */
if (!(sbands_flags & IWL_NVM_SBANDS_FLAGS_LAR))
channel->flags = iwl_get_channel_flags(nvm_chan[ch_idx],
ch_idx, is_5ghz,
ch_flags, cfg);
else
channel->flags = 0;
iwl_nvm_print_channel_flags(dev, IWL_DL_EEPROM,
channel->hw_value, ch_flags);
IWL_DEBUG_EEPROM(dev, "Ch. %d: %ddBm\n",
channel->hw_value, channel->max_power);
}
return n_channels;
}