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authorKalle Valo <kvalo@codeaurora.org>2016-07-18 22:50:44 +0300
committerKalle Valo <kvalo@codeaurora.org>2016-07-18 22:50:44 +0300
commitcf8c581a0081364ab50e9d93678a778cc0fb1a0a (patch)
tree41e04933e433ca7de70124f7afde9bd85514ed38 /drivers/net/wireless/ath/ath10k/mac.c
parent643d09f4618196d05ecf9b6987c890280ffac9d8 (diff)
parentc11e99396d0f77b5a6adc25f7c7bd84750194724 (diff)
downloadlwn-cf8c581a0081364ab50e9d93678a778cc0fb1a0a.tar.gz
lwn-cf8c581a0081364ab50e9d93678a778cc0fb1a0a.zip
Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
ath.git patches for 4.8. Major changes: ath10k * enable support for QCA9888
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/mac.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/mac.c43
1 files changed, 37 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index ebc12c521fe0..55c823f983c7 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -802,6 +802,7 @@ static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id)
{
struct ath10k_peer *peer, *tmp;
int peer_id;
+ int i;
lockdep_assert_held(&ar->conf_mutex);
@@ -818,6 +819,17 @@ static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id)
ar->peer_map[peer_id] = NULL;
}
+ /* Double check that peer is properly un-referenced from
+ * the peer_map
+ */
+ for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) {
+ if (ar->peer_map[i] == peer) {
+ ath10k_warn(ar, "removing stale peer_map entry for %pM (ptr %p idx %d)\n",
+ peer->addr, peer, i);
+ ar->peer_map[i] = NULL;
+ }
+ }
+
list_del(&peer->list);
kfree(peer);
ar->num_peers--;
@@ -828,6 +840,7 @@ static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id)
static void ath10k_peer_cleanup_all(struct ath10k *ar)
{
struct ath10k_peer *peer, *tmp;
+ int i;
lockdep_assert_held(&ar->conf_mutex);
@@ -836,6 +849,10 @@ static void ath10k_peer_cleanup_all(struct ath10k *ar)
list_del(&peer->list);
kfree(peer);
}
+
+ for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++)
+ ar->peer_map[i] = NULL;
+
spin_unlock_bh(&ar->data_lock);
ar->num_peers = 0;
@@ -2939,7 +2956,7 @@ static int ath10k_update_channel_list(struct ath10k *ar)
if (channel->flags & IEEE80211_CHAN_DISABLED)
continue;
- ch->allow_ht = true;
+ ch->allow_ht = true;
/* FIXME: when should we really allow VHT? */
ch->allow_vht = true;
@@ -3675,17 +3692,18 @@ void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work)
static void ath10k_mac_txq_init(struct ieee80211_txq *txq)
{
- struct ath10k_txq *artxq = (void *)txq->drv_priv;
+ struct ath10k_txq *artxq;
if (!txq)
return;
+ artxq = (void *)txq->drv_priv;
INIT_LIST_HEAD(&artxq->list);
}
static void ath10k_mac_txq_unref(struct ath10k *ar, struct ieee80211_txq *txq)
{
- struct ath10k_txq *artxq = (void *)txq->drv_priv;
+ struct ath10k_txq *artxq;
struct ath10k_skb_cb *cb;
struct sk_buff *msdu;
int msdu_id;
@@ -3693,6 +3711,7 @@ static void ath10k_mac_txq_unref(struct ath10k *ar, struct ieee80211_txq *txq)
if (!txq)
return;
+ artxq = (void *)txq->drv_priv;
spin_lock_bh(&ar->txqs_lock);
if (!list_empty(&artxq->list))
list_del_init(&artxq->list);
@@ -4228,6 +4247,9 @@ static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
}
+ if (ar->cfg_tx_chainmask <= 1)
+ vht_cap.cap &= ~IEEE80211_VHT_CAP_TXSTBC;
+
vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
@@ -4265,7 +4287,7 @@ static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar)
ht_cap.cap |= smps;
}
- if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC)
+ if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC && (ar->cfg_tx_chainmask > 1))
ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) {
@@ -5979,9 +6001,17 @@ static int ath10k_sta_state(struct ieee80211_hw *hw,
continue;
if (peer->sta == sta) {
- ath10k_warn(ar, "found sta peer %pM entry on vdev %i after it was supposedly removed\n",
- sta->addr, arvif->vdev_id);
+ ath10k_warn(ar, "found sta peer %pM (ptr %p id %d) entry on vdev %i after it was supposedly removed\n",
+ sta->addr, peer, i, arvif->vdev_id);
peer->sta = NULL;
+
+ /* Clean up the peer object as well since we
+ * must have failed to do this above.
+ */
+ list_del(&peer->list);
+ ar->peer_map[i] = NULL;
+ kfree(peer);
+ ar->num_peers--;
}
}
spin_unlock_bh(&ar->data_lock);
@@ -7406,6 +7436,7 @@ static const struct ieee80211_ops ath10k_ops = {
#endif
#ifdef CONFIG_MAC80211_DEBUGFS
.sta_add_debugfs = ath10k_sta_add_debugfs,
+ .sta_statistics = ath10k_sta_statistics,
#endif
};