These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / net / wireless / mwifiex / uap_txrx.c

diff --git a/kernel/drivers/net/wireless/mwifiex/uap_txrx.c b/kernel/drivers/net/wireless/mwifiex/uap_txrx.c
index 38ac4d7..74d5d72 100644 (file)
--- a/kernel/drivers/net/wireless/mwifiex/uap_txrx.c
+++ b/kernel/drivers/net/wireless/mwifiex/uap_txrx.c
@@ -31,7 +31,8 @@
  */
 static bool
 mwifiex_uap_del_tx_pkts_in_ralist(struct mwifiex_private *priv,
-                                 struct list_head *ra_list_head)
+                                 struct list_head *ra_list_head,
+                                 int tid)
 {
        struct mwifiex_ra_list_tbl *ra_list;
        struct sk_buff *skb, *tmp;
@@ -49,7 +50,10 @@ mwifiex_uap_del_tx_pkts_in_ralist(struct mwifiex_private *priv,
                                __skb_unlink(skb, &ra_list->skb_head);
                                mwifiex_write_data_complete(adapter, skb, 0,
                                                            -1);
-                               atomic_dec(&priv->wmm.tx_pkts_queued);
+                               if (ra_list->tx_paused)
+                                       priv->wmm.pkts_paused[tid]--;
+                               else
+                                       atomic_dec(&priv->wmm.tx_pkts_queued);
                                pkt_deleted = true;
                        }
                        if ((atomic_read(&adapter->pending_bridged_pkts) <=
@@ -77,7 +81,7 @@ static void mwifiex_uap_cleanup_tx_queues(struct mwifiex_private *priv)
                if (priv->del_list_idx == MAX_NUM_TID)
                        priv->del_list_idx = 0;
                ra_list = &priv->wmm.tid_tbl_ptr[priv->del_list_idx].ra_list;
-               if (mwifiex_uap_del_tx_pkts_in_ralist(priv, ra_list)) {
+               if (mwifiex_uap_del_tx_pkts_in_ralist(priv, ra_list, i)) {
                        priv->del_list_idx++;
                        break;
                }
@@ -97,14 +101,15 @@ static void mwifiex_uap_queue_bridged_pkt(struct mwifiex_private *priv,
        struct mwifiex_txinfo *tx_info;
        int hdr_chop;
        struct ethhdr *p_ethhdr;
+       struct mwifiex_sta_node *src_node;
 
        uap_rx_pd = (struct uap_rxpd *)(skb->data);
        rx_pkt_hdr = (void *)uap_rx_pd + le16_to_cpu(uap_rx_pd->rx_pkt_offset);
 
        if ((atomic_read(&adapter->pending_bridged_pkts) >=
                                             MWIFIEX_BRIDGED_PKTS_THR_HIGH)) {
-               dev_err(priv->adapter->dev,
-                       "Tx: Bridge packet limit reached. Drop packet!\n");
+               mwifiex_dbg(priv->adapter, ERROR,
+                           "Tx: Bridge packet limit reached. Drop packet!\n");
                kfree_skb(skb);
                mwifiex_uap_cleanup_tx_queues(priv);
                return;
@@ -153,15 +158,15 @@ static void mwifiex_uap_queue_bridged_pkt(struct mwifiex_private *priv,
        skb_pull(skb, hdr_chop);
 
        if (skb_headroom(skb) < MWIFIEX_MIN_DATA_HEADER_LEN) {
-               dev_dbg(priv->adapter->dev,
-                       "data: Tx: insufficient skb headroom %d\n",
-                       skb_headroom(skb));
+               mwifiex_dbg(priv->adapter, ERROR,
+                           "data: Tx: insufficient skb headroom %d\n",
+                           skb_headroom(skb));
                /* Insufficient skb headroom - allocate a new skb */
                new_skb =
                        skb_realloc_headroom(skb, MWIFIEX_MIN_DATA_HEADER_LEN);
                if (unlikely(!new_skb)) {
-                       dev_err(priv->adapter->dev,
-                               "Tx: cannot allocate new_skb\n");
+                       mwifiex_dbg(priv->adapter, ERROR,
+                                   "Tx: cannot allocate new_skb\n");
                        kfree_skb(skb);
                        priv->stats.tx_dropped++;
                        return;
@@ -169,8 +174,9 @@ static void mwifiex_uap_queue_bridged_pkt(struct mwifiex_private *priv,
 
                kfree_skb(skb);
                skb = new_skb;
-               dev_dbg(priv->adapter->dev, "info: new skb headroom %d\n",
-                       skb_headroom(skb));
+               mwifiex_dbg(priv->adapter, INFO,
+                           "info: new skb headroom %d\n",
+                           skb_headroom(skb));
        }
 
        tx_info = MWIFIEX_SKB_TXCB(skb);
@@ -179,6 +185,15 @@ static void mwifiex_uap_queue_bridged_pkt(struct mwifiex_private *priv,
        tx_info->bss_type = priv->bss_type;
        tx_info->flags |= MWIFIEX_BUF_FLAG_BRIDGED_PKT;
 
+       src_node = mwifiex_get_sta_entry(priv, rx_pkt_hdr->eth803_hdr.h_source);
+       if (src_node) {
+               src_node->stats.last_rx = jiffies;
+               src_node->stats.rx_bytes += skb->len;
+               src_node->stats.rx_packets++;
+               src_node->stats.last_tx_rate = uap_rx_pd->rx_rate;
+               src_node->stats.last_tx_htinfo = uap_rx_pd->ht_info;
+       }
+
        if (is_unicast_ether_addr(rx_pkt_hdr->eth803_hdr.h_dest)) {
                /* Update bridge packet statistics as the
                 * packet is not going to kernel/upper layer.
@@ -225,7 +240,8 @@ int mwifiex_handle_uap_rx_forward(struct mwifiex_private *priv,
 
        /* don't do packet forwarding in disconnected state */
        if (!priv->media_connected) {
-               dev_err(adapter->dev, "drop packet in disconnected state.\n");
+               mwifiex_dbg(adapter, ERROR,
+                           "drop packet in disconnected state.\n");
                dev_kfree_skb_any(skb);
                return 0;
        }
@@ -273,13 +289,20 @@ int mwifiex_process_uap_rx_packet(struct mwifiex_private *priv,
        rx_pkt_type = le16_to_cpu(uap_rx_pd->rx_pkt_type);
        rx_pkt_hdr = (void *)uap_rx_pd + le16_to_cpu(uap_rx_pd->rx_pkt_offset);
 
+       ether_addr_copy(ta, rx_pkt_hdr->eth803_hdr.h_source);
+
        if ((le16_to_cpu(uap_rx_pd->rx_pkt_offset) +
             le16_to_cpu(uap_rx_pd->rx_pkt_length)) > (u16) skb->len) {
-               dev_err(adapter->dev,
-                       "wrong rx packet: len=%d, offset=%d, length=%d\n",
-                       skb->len, le16_to_cpu(uap_rx_pd->rx_pkt_offset),
-                       le16_to_cpu(uap_rx_pd->rx_pkt_length));
+               mwifiex_dbg(adapter, ERROR,
+                           "wrong rx packet: len=%d, offset=%d, length=%d\n",
+                           skb->len, le16_to_cpu(uap_rx_pd->rx_pkt_offset),
+                           le16_to_cpu(uap_rx_pd->rx_pkt_length));
                priv->stats.rx_dropped++;
+
+               node = mwifiex_get_sta_entry(priv, ta);
+               if (node)
+                       node->stats.tx_failed++;
+
                dev_kfree_skb_any(skb);
                return 0;
        }
@@ -287,12 +310,12 @@ int mwifiex_process_uap_rx_packet(struct mwifiex_private *priv,
        if (rx_pkt_type == PKT_TYPE_MGMT) {
                ret = mwifiex_process_mgmt_packet(priv, skb);
                if (ret)
-                       dev_err(adapter->dev, "Rx of mgmt packet failed");
+                       mwifiex_dbg(adapter, ERROR,
+                                   "Rx of mgmt packet failed");
                dev_kfree_skb_any(skb);
                return ret;
        }
 
-       memcpy(ta, rx_pkt_hdr->eth803_hdr.h_source, ETH_ALEN);
 
        if (rx_pkt_type != PKT_TYPE_BAR && uap_rx_pd->priority < MAX_NUM_TID) {
                spin_lock_irqsave(&priv->sta_list_spinlock, flags);
@@ -354,7 +377,8 @@ void *mwifiex_process_uap_txpd(struct mwifiex_private *priv,
                       INTF_HEADER_LEN;
 
        if (!skb->len) {
-               dev_err(adapter->dev, "Tx: bad packet length: %d\n", skb->len);
+               mwifiex_dbg(adapter, ERROR,
+                           "Tx: bad packet length: %d\n", skb->len);
                tx_info->status_code = -1;
                return skb->data;
        }