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path: root/drivers/net/wireless/ath/ath10k/mac.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath10k/mac.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/mac.c99
1 files changed, 68 insertions, 31 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index a21080028c54..9d61bb157189 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -1865,15 +1865,13 @@ static u8 ath10k_tx_h_get_vdev_id(struct ath10k *ar,
return 0;
}
-/*
- * Frames sent to the FW have to be in "Native Wifi" format.
- * Strip the QoS field from the 802.11 header.
+/* HTT Tx uses Native Wifi tx mode which expects 802.11 frames without QoS
+ * Control in the header.
*/
-static void ath10k_tx_h_qos_workaround(struct ieee80211_hw *hw,
- struct ieee80211_tx_control *control,
- struct sk_buff *skb)
+static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (void *)skb->data;
+ struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
u8 *qos_ctl;
if (!ieee80211_is_data_qos(hdr->frame_control))
@@ -1883,6 +1881,16 @@ static void ath10k_tx_h_qos_workaround(struct ieee80211_hw *hw,
memmove(skb->data + IEEE80211_QOS_CTL_LEN,
skb->data, (void *)qos_ctl - (void *)skb->data);
skb_pull(skb, IEEE80211_QOS_CTL_LEN);
+
+ /* Fw/Hw generates a corrupted QoS Control Field for QoS NullFunc
+ * frames. Powersave is handled by the fw/hw so QoS NyllFunc frames are
+ * used only for CQM purposes (e.g. hostapd station keepalive ping) so
+ * it is safe to downgrade to NullFunc.
+ */
+ if (ieee80211_is_qos_nullfunc(hdr->frame_control)) {
+ hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
+ cb->htt.tid = HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST;
+ }
}
static void ath10k_tx_wep_key_work(struct work_struct *work)
@@ -1919,14 +1927,13 @@ unlock:
mutex_unlock(&arvif->ar->conf_mutex);
}
-static void ath10k_tx_h_update_wep_key(struct sk_buff *skb)
+static void ath10k_tx_h_update_wep_key(struct ieee80211_vif *vif,
+ struct ieee80211_key_conf *key,
+ struct sk_buff *skb)
{
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_vif *vif = info->control.vif;
struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
struct ath10k *ar = arvif->ar;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- struct ieee80211_key_conf *key = info->control.hw_key;
if (!ieee80211_has_protected(hdr->frame_control))
return;
@@ -1948,11 +1955,11 @@ static void ath10k_tx_h_update_wep_key(struct sk_buff *skb)
ieee80211_queue_work(ar->hw, &arvif->wep_key_work);
}
-static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar, struct sk_buff *skb)
+static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_vif *vif = info->control.vif;
struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
/* This is case only for P2P_GO */
@@ -2254,33 +2261,28 @@ static void ath10k_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
+ struct ath10k *ar = hw->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_vif *vif = info->control.vif;
+ struct ieee80211_key_conf *key = info->control.hw_key;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- struct ath10k *ar = hw->priv;
- u8 tid, vdev_id;
/* We should disable CCK RATE due to P2P */
if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE)
ath10k_dbg(ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n");
- /* we must calculate tid before we apply qos workaround
- * as we'd lose the qos control field */
- tid = ath10k_tx_h_get_tid(hdr);
- vdev_id = ath10k_tx_h_get_vdev_id(ar, info);
+ ATH10K_SKB_CB(skb)->htt.is_offchan = false;
+ ATH10K_SKB_CB(skb)->htt.tid = ath10k_tx_h_get_tid(hdr);
+ ATH10K_SKB_CB(skb)->vdev_id = ath10k_tx_h_get_vdev_id(ar, info);
/* it makes no sense to process injected frames like that */
- if (info->control.vif &&
- info->control.vif->type != NL80211_IFTYPE_MONITOR) {
- ath10k_tx_h_qos_workaround(hw, control, skb);
- ath10k_tx_h_update_wep_key(skb);
- ath10k_tx_h_add_p2p_noa_ie(ar, skb);
- ath10k_tx_h_seq_no(skb);
+ if (vif && vif->type != NL80211_IFTYPE_MONITOR) {
+ ath10k_tx_h_nwifi(hw, skb);
+ ath10k_tx_h_update_wep_key(vif, key, skb);
+ ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb);
+ ath10k_tx_h_seq_no(vif, skb);
}
- ATH10K_SKB_CB(skb)->vdev_id = vdev_id;
- ATH10K_SKB_CB(skb)->htt.is_offchan = false;
- ATH10K_SKB_CB(skb)->htt.tid = tid;
-
if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) {
spin_lock_bh(&ar->data_lock);
ATH10K_SKB_CB(skb)->htt.is_offchan = true;
@@ -3137,10 +3139,11 @@ exit:
static int ath10k_hw_scan(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
- struct cfg80211_scan_request *req)
+ struct ieee80211_scan_request *hw_req)
{
struct ath10k *ar = hw->priv;
struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
+ struct cfg80211_scan_request *req = &hw_req->req;
struct wmi_start_scan_arg arg;
int ret = 0;
int i;
@@ -4330,6 +4333,38 @@ static u64 ath10k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
return 0;
}
+static int ath10k_ampdu_action(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum ieee80211_ampdu_mlme_action action,
+ struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+ u8 buf_size)
+{
+ struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
+
+ ath10k_dbg(ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %hu action %d\n",
+ arvif->vdev_id, sta->addr, tid, action);
+
+ switch (action) {
+ case IEEE80211_AMPDU_RX_START:
+ case IEEE80211_AMPDU_RX_STOP:
+ /* HTT AddBa/DelBa events trigger mac80211 Rx BA session
+ * creation/removal. Do we need to verify this?
+ */
+ return 0;
+ case IEEE80211_AMPDU_TX_START:
+ case IEEE80211_AMPDU_TX_STOP_CONT:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
+ /* Firmware offloads Tx aggregation entirely so deny mac80211
+ * Tx aggregation requests.
+ */
+ return -EOPNOTSUPP;
+ }
+
+ return -EINVAL;
+}
+
static const struct ieee80211_ops ath10k_ops = {
.tx = ath10k_tx,
.start = ath10k_start,
@@ -4357,6 +4392,7 @@ static const struct ieee80211_ops ath10k_ops = {
.set_bitrate_mask = ath10k_set_bitrate_mask,
.sta_rc_update = ath10k_sta_rc_update,
.get_tsf = ath10k_get_tsf,
+ .ampdu_action = ath10k_ampdu_action,
#ifdef CONFIG_PM
.suspend = ath10k_suspend,
.resume = ath10k_resume,
@@ -4697,7 +4733,6 @@ int ath10k_mac_register(struct ath10k *ar)
ar->hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_ADHOC) |
BIT(NL80211_IFTYPE_AP);
if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
@@ -4767,6 +4802,8 @@ int ath10k_mac_register(struct ath10k *ar)
ar->hw->wiphy->iface_combinations = ath10k_if_comb;
ar->hw->wiphy->n_iface_combinations =
ARRAY_SIZE(ath10k_if_comb);
+
+ ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
}
ar->hw->netdev_features = NETIF_F_HW_CSUM;
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