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path: root/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-nvm-parse.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-nvm-parse.c51
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 a70213bdb83c..6199a0a597a6 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);