diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-nvm-parse.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-nvm-parse.c | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c index a70213bdb83..6199a0a597a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c @@ -22,7 +22,7 @@ * USA * * The full GNU General Public License is included in this distribution - * in the file called LICENSE.GPL. + * in the file called COPYING. * * Contact Information: * Intel Linux Wireless <ilw@linux.intel.com> @@ -62,6 +62,7 @@ #include <linux/types.h> #include <linux/slab.h> #include <linux/export.h> +#include "iwl-drv.h" #include "iwl-modparams.h" #include "iwl-nvm-parse.h" @@ -149,6 +150,8 @@ static struct ieee80211_rate iwl_cfg80211_rates[] = { * @NVM_CHANNEL_DFS: dynamic freq selection candidate * @NVM_CHANNEL_WIDE: 20 MHz channel okay (?) * @NVM_CHANNEL_40MHZ: 40 MHz channel okay (?) + * @NVM_CHANNEL_80MHZ: 80 MHz channel okay (?) + * @NVM_CHANNEL_160MHZ: 160 MHz channel okay (?) */ enum iwl_nvm_channel_flags { NVM_CHANNEL_VALID = BIT(0), @@ -158,6 +161,8 @@ enum iwl_nvm_channel_flags { NVM_CHANNEL_DFS = BIT(7), NVM_CHANNEL_WIDE = BIT(8), NVM_CHANNEL_40MHZ = BIT(9), + NVM_CHANNEL_80MHZ = BIT(10), + NVM_CHANNEL_160MHZ = BIT(11), }; #define CHECK_AND_PRINT_I(x) \ @@ -210,6 +215,10 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, else channel->flags &= ~IEEE80211_CHAN_NO_HT40MINUS; } + if (!(ch_flags & NVM_CHANNEL_80MHZ)) + channel->flags |= IEEE80211_CHAN_NO_80MHZ; + if (!(ch_flags & NVM_CHANNEL_160MHZ)) + channel->flags |= IEEE80211_CHAN_NO_160MHZ; if (!(ch_flags & NVM_CHANNEL_IBSS)) channel->flags |= IEEE80211_CHAN_NO_IBSS; @@ -245,6 +254,43 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, return n_channels; } +static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg, + struct iwl_nvm_data *data, + struct ieee80211_sta_vht_cap *vht_cap) +{ + /* For now, assume new devices with NVM are VHT capable */ + + vht_cap->vht_supported = true; + + vht_cap->cap = IEEE80211_VHT_CAP_SHORT_GI_80 | + IEEE80211_VHT_CAP_RXSTBC_1 | + IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | + 7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT; + + if (iwlwifi_mod_params.amsdu_size_8K) + vht_cap->cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991; + + vht_cap->vht_mcs.rx_mcs_map = + cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | + IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 | + IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | + IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | + IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | + IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | + IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | + IEEE80211_VHT_MCS_NOT_SUPPORTED << 14); + + if (data->valid_rx_ant == 1 || cfg->rx_with_siso_diversity) { + vht_cap->cap |= IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | + IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN; + /* this works because NOT_SUPPORTED == 3 */ + vht_cap->vht_mcs.rx_mcs_map |= + cpu_to_le16(IEEE80211_VHT_MCS_NOT_SUPPORTED << 2); + } + + vht_cap->vht_mcs.tx_mcs_map = vht_cap->vht_mcs.rx_mcs_map; +} + static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, struct iwl_nvm_data *data, const __le16 *nvm_sw) { @@ -268,6 +314,7 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, 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", @@ -343,4 +390,4 @@ iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg, return data; } -EXPORT_SYMBOL_GPL(iwl_parse_nvm_data); +IWL_EXPORT_SYMBOL(iwl_parse_nvm_data); |