diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c index 6f3aca19a254..41a79da878ef 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -166,6 +166,7 @@ static const u16 iwl_uhb_nvm_channels[] = { #define IWL_NVM_NUM_CHANNELS_EXT ARRAY_SIZE(iwl_ext_nvm_channels) #define IWL_NVM_NUM_CHANNELS_UHB ARRAY_SIZE(iwl_uhb_nvm_channels) #define NUM_2GHZ_CHANNELS 14 +#define NUM_5GHZ_CHANNELS 37 #define FIRST_2GHZ_HT_MINUS 5 #define LAST_2GHZ_HT_PLUS 9 #define N_HW_ADDR_MASK 0xF @@ -389,6 +390,10 @@ static u32 iwl_get_channel_flags(u8 ch_num, int ch_idx, enum nl80211_band band, static enum nl80211_band iwl_nl80211_band_from_channel_idx(int ch_idx) { + if (ch_idx >= NUM_2GHZ_CHANNELS + NUM_5GHZ_CHANNELS) { + return NL80211_BAND_6GHZ; + } + if (ch_idx >= NUM_2GHZ_CHANNELS) return NL80211_BAND_5GHZ; return NL80211_BAND_2GHZ; @@ -480,6 +485,11 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, else channel->flags = 0; + /* TODO: Don't put limitations on UHB devices as we still don't + * have NVM for them + */ + if (cfg->uhb_supported) + 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", @@ -743,6 +753,52 @@ static const struct ieee80211_sband_iftype_data iwl_he_capa[] = { }, }; +static void iwl_init_he_6ghz_capa(struct iwl_trans *trans, + struct iwl_nvm_data *data, + struct ieee80211_supported_band *sband, + u8 tx_chains, u8 rx_chains) +{ + struct ieee80211_sta_ht_cap ht_cap; + struct ieee80211_sta_vht_cap vht_cap = {}; + struct ieee80211_sband_iftype_data *iftype_data; + u16 he_6ghz_capa = 0; + u32 exp; + int i; + + if (sband->band != NL80211_BAND_6GHZ) + return; + + /* grab HT/VHT capabilities and calculate HE 6 GHz capabilities */ + iwl_init_ht_hw_capab(trans, data, &ht_cap, NL80211_BAND_5GHZ, + tx_chains, rx_chains); + WARN_ON(!ht_cap.ht_supported); + iwl_init_vht_hw_capab(trans, data, &vht_cap, tx_chains, rx_chains); + WARN_ON(!vht_cap.vht_supported); + + he_6ghz_capa |= + u16_encode_bits(ht_cap.ampdu_density, + IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START); + exp = u32_get_bits(vht_cap.cap, + IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK); + he_6ghz_capa |= + u16_encode_bits(exp, IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP); + exp = u32_get_bits(vht_cap.cap, IEEE80211_VHT_CAP_MAX_MPDU_MASK); + he_6ghz_capa |= + u16_encode_bits(exp, IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); + /* we don't support extended_ht_cap_info anywhere, so no RD_RESPONDER */ + if (vht_cap.cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN) + he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS; + if (vht_cap.cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN) + he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; + + IWL_DEBUG_EEPROM(trans->dev, "he_6ghz_capa=0x%x\n", he_6ghz_capa); + + /* we know it's writable - we set it before ourselves */ + iftype_data = (void *)sband->iftype_data; + for (i = 0; i < sband->n_iftype_data; i++) + iftype_data[i].he_6ghz_capa.capa = cpu_to_le16(he_6ghz_capa); +} + static void iwl_init_he_hw_capab(struct iwl_trans *trans, struct iwl_nvm_data *data, struct ieee80211_supported_band *sband, @@ -762,6 +818,7 @@ static void iwl_init_he_hw_capab(struct iwl_trans *trans, iftype_data = data->iftd.low; break; case NL80211_BAND_5GHZ: + case NL80211_BAND_6GHZ: iftype_data = data->iftd.high; break; default: @@ -787,6 +844,7 @@ static void iwl_init_he_hw_capab(struct iwl_trans *trans, ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK; } } + iwl_init_he_6ghz_capa(trans, data, sband, tx_chains, rx_chains); } static void iwl_init_sbands(struct iwl_trans *trans, @@ -829,6 +887,19 @@ static void iwl_init_sbands(struct iwl_trans *trans, if (data->sku_cap_11ax_enable && !iwlwifi_mod_params.disable_11ax) iwl_init_he_hw_capab(trans, data, sband, tx_chains, rx_chains); + /* 6GHz band. */ + sband = &data->bands[NL80211_BAND_6GHZ]; + sband->band = NL80211_BAND_6GHZ; + /* use the same rates as 5GHz band */ + 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_6GHZ); + + if (data->sku_cap_11ax_enable && !iwlwifi_mod_params.disable_11ax) + iwl_init_he_hw_capab(trans, data, sband, tx_chains, rx_chains); + else + sband->n_channels = 0; if (n_channels != n_used) IWL_ERR_DEV(dev, "NVM: used only %d of %d channels\n", n_used, n_channels); |