Adds preliminary VHT (802.11ac) support to ath10k.
Signed-off-by: Kalle Valo
---
drivers/net/wireless/ath/ath10k/mac.c | 66 +
drivers/net/wireless/ath/ath10k/wmi.c | 13 ++-
drivers/net/wireless/ath/ath10k/wmi.h | 10 +
3 files changed, 88 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath10k/mac.c
b/drivers/net/wireless/ath/ath10k/mac.c
index 3d4e574..ad5a015 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -256,6 +256,8 @@ chan_to_phymode(const struct cfg80211_chan_def *chandef)
phymode = MODE_11NA_HT40;
break;
case NL80211_CHAN_WIDTH_80:
+ phymode = MODE_11AC_VHT80;
+ break;
case NL80211_CHAN_WIDTH_80P80:
case NL80211_CHAN_WIDTH_160:
phymode = MODE_UNKNOWN;
@@ -958,6 +960,34 @@ static void ath10k_peer_assoc_h_qos_sta(struct ath10k *ar,
arg->peer_flags |= WMI_PEER_QOS;
}
+static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
+ struct ieee80211_sta *sta,
+ struct wmi_peer_assoc_complete_arg *arg)
+{
+ const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
+
+ if (!vht_cap->vht_supported)
+ return;
+
+ arg->peer_flags |= WMI_PEER_VHT;
+
+ arg->peer_vht_caps = vht_cap->cap;
+
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
+ arg->peer_flags |= WMI_PEER_80MHZ;
+
+ arg->peer_vht_rates.rx_max_rate =
+ __le16_to_cpu(vht_cap->vht_mcs.rx_highest);
+ arg->peer_vht_rates.rx_mcs_set =
+ __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map);
+ arg->peer_vht_rates.tx_max_rate =
+ __le16_to_cpu(vht_cap->vht_mcs.tx_highest);
+ arg->peer_vht_rates.tx_mcs_set =
+ __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map);
+
+ ath10k_dbg(ATH10K_DBG_MAC, "mac vht peer\n");
+}
+
static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
struct ath10k_vif *arvif,
struct ieee80211_sta *sta,
@@ -983,6 +1013,8 @@ static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
{
enum wmi_phy_mode phymode = MODE_UNKNOWN;
+ /* FIXME: add VHT */
+
switch (ar->hw->conf.chandef.chan->band) {
case IEEE80211_BAND_2GHZ:
if (sta->ht_cap.ht_supported) {
@@ -1027,6 +1059,7 @@ static int ath10k_peer_assoc(struct ath10k *ar,
ath10k_peer_assoc_h_crypto(ar, arvif, &arg);
ath10k_peer_assoc_h_rates(ar, sta, &arg);
ath10k_peer_assoc_h_ht(ar, sta, &arg);
+ ath10k_peer_assoc_h_vht(ar, sta, &arg);
ath10k_peer_assoc_h_qos(ar, arvif, sta, bss_conf, &arg);
ath10k_peer_assoc_h_phymode(ar, arvif, sta, &arg);
@@ -1194,6 +1227,9 @@ static int ath10k_update_channel_list(struct ath10k *ar)
ch->allow_ht = true;
+ /* FIXME: when should we really allow VHT? */
+ ch->allow_vht = true;
+
ch->allow_ibss =
!(channel->flags & IEEE80211_CHAN_NO_IBSS);
@@ -2741,6 +2777,30 @@ static const struct ieee80211_iface_combination
ath10k_if_comb = {
.beacon_int_infra_match = true,
};
+static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
+{
+ struct ieee80211_sta_vht_cap vht_cap = {0};
+ u16 mcs_map;
+
+ vht_cap.vht_supported = 1;
+ vht_cap.cap = ar->vht_cap_info;
+
+ /* FIXME: check dynamically how many streams board supports */
+ mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
+ IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 |
+ IEEE80211_VHT_MCS_SUPPORT_0_9 << 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;
+
+ vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
+ vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
+
+ return vht_cap;
+}
+
static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar)
{
int i;
@@ -2839,6 +2899,7 @@ struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar,
u32 vdev_id)
int ath10k_mac_register(struct ath10k *ar)
{
struct ieee80211_supported_band *band;
+ struct ieee80211_sta_vht_cap vht_cap;
struct ieee80211_sta_ht_cap ht_cap;
void *channels;
int ret;
@@ -2848,6 +2909,7 @@ int ath10k_mac_register(struct ath10k *ar)
SET_IEEE80211_DEV(ar->hw, ar->dev);
ht_cap = ath10k_get_ht_cap(ar);
+ vht_cap = ath10k_create_vht_cap(ar);
if (ar->phy_capability & WHAL_WL
