static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
struct iwl_nvm_data *data, const __le16 *nvm_sw)
{
int n_channels = iwl_init_channel_map(dev, cfg, data,
&nvm_sw[NVM_CHANNELS]);
int n_used = 0;
struct ieee80211_supported_band *sband;
sband = &data->bands[IEEE80211_BAND_2GHZ];
sband->band = IEEE80211_BAND_2GHZ;
sband->bitrates = &iwl_cfg80211_rates[RATES_24_OFFS];
sband->n_bitrates = N_RATES_24;
n_used += iwl_init_sband_channels(data, sband, n_channels,
IEEE80211_BAND_2GHZ);
iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_2GHZ);
sband = &data->bands[IEEE80211_BAND_5GHZ];
sband->band = IEEE80211_BAND_5GHZ;
sband->bitrates = &iwl_cfg80211_rates[RATES_52_OFFS];
sband->n_bitrates = N_RATES_52;
n_used += iwl_init_sband_channels(data, sband, n_channels,
IEEE80211_BAND_5GHZ);
iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ);
iwl_init_vht_hw_capab(cfg, data, &sband->vht_cap);
if (n_channels != n_used)
IWL_ERR_DEV(dev, "NVM: used only %d of %d channels\n",
n_used, n_channels);
}
static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
struct iwl_nvm_data *data,
const __le16 *ch_section,
u8 tx_chains, u8 rx_chains, bool lar_supported)
{
int n_channels;
int n_used = 0;
struct ieee80211_supported_band *sband;
if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
n_channels = iwl_init_channel_map(
dev, cfg, data,
&ch_section[NVM_CHANNELS], lar_supported);
else
n_channels = iwl_init_channel_map(
dev, cfg, data,
&ch_section[NVM_CHANNELS_FAMILY_8000],
lar_supported);
sband = &data->bands[NL80211_BAND_2GHZ];
sband->band = NL80211_BAND_2GHZ;
sband->bitrates = &iwl_cfg80211_rates[RATES_24_OFFS];
sband->n_bitrates = N_RATES_24;
n_used += iwl_init_sband_channels(data, sband, n_channels,
NL80211_BAND_2GHZ);
iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, NL80211_BAND_2GHZ,
tx_chains, rx_chains);
sband = &data->bands[NL80211_BAND_5GHZ];
sband->band = NL80211_BAND_5GHZ;
sband->bitrates = &iwl_cfg80211_rates[RATES_52_OFFS];
sband->n_bitrates = N_RATES_52;
n_used += iwl_init_sband_channels(data, sband, n_channels,
NL80211_BAND_5GHZ);
iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, NL80211_BAND_5GHZ,
tx_chains, rx_chains);
if (data->sku_cap_11ac_enable && !iwlwifi_mod_params.disable_11ac)
iwl_init_vht_hw_capab(cfg, data, &sband->vht_cap,
tx_chains, rx_chains);
if (n_channels != n_used)
IWL_ERR_DEV(dev, "NVM: used only %d of %d channels\n",
n_used, n_channels);
}
static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
struct iwl_nvm_data *data,
const void *nvm_ch_flags, u8 tx_chains,
u8 rx_chains, u32 sbands_flags, bool v4)
{
int n_channels;
int n_used = 0;
struct ieee80211_supported_band *sband;
n_channels = iwl_init_channel_map(dev, cfg, data, nvm_ch_flags,
sbands_flags, v4);
sband = &data->bands[NL80211_BAND_2GHZ];
sband->band = NL80211_BAND_2GHZ;
sband->bitrates = &iwl_cfg80211_rates[RATES_24_OFFS];
sband->n_bitrates = N_RATES_24;
n_used += iwl_init_sband_channels(data, sband, n_channels,
NL80211_BAND_2GHZ);
iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, NL80211_BAND_2GHZ,
tx_chains, rx_chains);
if (data->sku_cap_11ax_enable && !iwlwifi_mod_params.disable_11ax)
iwl_init_he_hw_capab(sband, tx_chains, rx_chains);
sband = &data->bands[NL80211_BAND_5GHZ];
sband->band = NL80211_BAND_5GHZ;
sband->bitrates = &iwl_cfg80211_rates[RATES_52_OFFS];
sband->n_bitrates = N_RATES_52;
n_used += iwl_init_sband_channels(data, sband, n_channels,
NL80211_BAND_5GHZ);
iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, NL80211_BAND_5GHZ,
tx_chains, rx_chains);
if (data->sku_cap_11ac_enable && !iwlwifi_mod_params.disable_11ac)
iwl_init_vht_hw_capab(cfg, data, &sband->vht_cap,
tx_chains, rx_chains);
if (data->sku_cap_11ax_enable && !iwlwifi_mod_params.disable_11ax)
iwl_init_he_hw_capab(sband, tx_chains, rx_chains);
if (n_channels != n_used)
IWL_ERR_DEV(dev, "NVM: used only %d of %d channels\n",
n_used, n_channels);
}
/**
* iwl_init_geos - Initialize mac80211's geo/channel info based from eeprom
*/
int iwl_init_geos(struct iwl_priv *priv)
{
struct iwl_channel_info *ch;
struct ieee80211_supported_band *sband;
struct ieee80211_channel *channels;
struct ieee80211_channel *geo_ch;
struct ieee80211_rate *rates;
int i = 0;
s8 max_tx_power = IWLAGN_TX_POWER_TARGET_POWER_MIN;
if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates ||
priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) {
IWL_DEBUG_INFO(priv, "Geography modes already initialized.\n");
set_bit(STATUS_GEO_CONFIGURED, &priv->status);
return 0;
}
channels = kcalloc(priv->channel_count,
sizeof(struct ieee80211_channel), GFP_KERNEL);
if (!channels)
return -ENOMEM;
rates = kcalloc(IWL_RATE_COUNT_LEGACY, sizeof(struct ieee80211_rate),
GFP_KERNEL);
if (!rates) {
kfree(channels);
return -ENOMEM;
}
/* 5.2GHz channels start after the 2.4GHz channels */
sband = &priv->bands[IEEE80211_BAND_5GHZ];
sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)];
/* just OFDM */
sband->bitrates = &rates[IWL_FIRST_OFDM_RATE];
sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE;
if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE)
iwl_init_ht_hw_capab(priv, &sband->ht_cap,
IEEE80211_BAND_5GHZ);
sband = &priv->bands[IEEE80211_BAND_2GHZ];
sband->channels = channels;
/* OFDM & CCK */
sband->bitrates = rates;
sband->n_bitrates = IWL_RATE_COUNT_LEGACY;
if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE)
iwl_init_ht_hw_capab(priv, &sband->ht_cap,
IEEE80211_BAND_2GHZ);
priv->ieee_channels = channels;
priv->ieee_rates = rates;
for (i = 0; i < priv->channel_count; i++) {
ch = &priv->channel_info[i];
/* FIXME: might be removed if scan is OK */
if (!is_channel_valid(ch))
continue;
sband = &priv->bands[ch->band];
geo_ch = &sband->channels[sband->n_channels++];
geo_ch->center_freq =
ieee80211_channel_to_frequency(ch->channel, ch->band);
geo_ch->max_power = ch->max_power_avg;
geo_ch->max_antenna_gain = 0xff;
geo_ch->hw_value = ch->channel;
if (is_channel_valid(ch)) {
if (!(ch->flags & EEPROM_CHANNEL_IBSS))
geo_ch->flags |= IEEE80211_CHAN_NO_IBSS;
if (!(ch->flags & EEPROM_CHANNEL_ACTIVE))
geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN;
if (ch->flags & EEPROM_CHANNEL_RADAR)
geo_ch->flags |= IEEE80211_CHAN_RADAR;
geo_ch->flags |= ch->ht40_extension_channel;
if (ch->max_power_avg > max_tx_power)
max_tx_power = ch->max_power_avg;
} else {
geo_ch->flags |= IEEE80211_CHAN_DISABLED;
}
IWL_DEBUG_INFO(priv, "Channel %d Freq=%d[%sGHz] %s flag=0x%X\n",
ch->channel, geo_ch->center_freq,
is_channel_a_band(ch) ? "5.2" : "2.4",
geo_ch->flags & IEEE80211_CHAN_DISABLED ?
"restricted" : "valid",
geo_ch->flags);
}
priv->tx_power_device_lmt = max_tx_power;
priv->tx_power_user_lmt = max_tx_power;
priv->tx_power_next = max_tx_power;
if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
hw_params(priv).sku & EEPROM_SKU_CAP_BAND_52GHZ) {
IWL_INFO(priv, "Incorrectly detected BG card as ABG. "
"Please send your %s to maintainer.\n",
trans(priv)->hw_id_str);
hw_params(priv).sku &= ~EEPROM_SKU_CAP_BAND_52GHZ;
}
IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n",
priv->bands[IEEE80211_BAND_2GHZ].n_channels,
priv->bands[IEEE80211_BAND_5GHZ].n_channels);
set_bit(STATUS_GEO_CONFIGURED, &priv->status);
return 0;
}
