diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/mac.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/mac.c | 43 |
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 }; |