remove trailing whitespaces

[dpdk.git] / lib / librte_eal / linuxapp / kni / kni_net.c

diff --git a/lib/librte_eal/linuxapp/kni/kni_net.c b/lib/librte_eal/linuxapp/kni/kni_net.c
index 823c321..d3c0190 100644 (file)
--- a/lib/librte_eal/linuxapp/kni/kni_net.c
+++ b/lib/librte_eal/linuxapp/kni/kni_net.c
@@ -1,23 +1,23 @@
 /*-
  * GPL LICENSE SUMMARY
- * 
- *   Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
- * 
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of version 2 of the GNU General Public License as
  *   published by the Free Software Foundation.
- * 
+ *
  *   This program is distributed in the hope that it will be useful, but
  *   WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  *   General Public License for more details.
- * 
+ *
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, write to the Free Software
  *   Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  *   The full GNU General Public License is included in this distribution
  *   in the file called LICENSE.GPL.
- * 
+ *
  *   Contact Information:
  *   Intel Corporation
  */
@@ -38,6 +38,7 @@
 
 #include <rte_config.h>
 #include <exec-env/rte_kni_common.h>
+#include <kni_fifo.h>
 #include "kni_dev.h"
 
 #define WD_TIMEOUT 5 /*jiffies */
@@ -59,68 +60,6 @@ static int kni_net_process_request(struct kni_dev *kni,
 /* kni rx function pointer, with default to normal rx */
 static kni_net_rx_t kni_net_rx_func = kni_net_rx_normal;
 
-
-/**
- * Adds num elements into the fifo. Return the number actually written
- */
-static inline unsigned
-kni_fifo_put(struct rte_kni_fifo *fifo, void **data, unsigned num)
-{
-       unsigned i = 0;
-       unsigned fifo_write = fifo->write;
-       unsigned fifo_read = fifo->read;
-       unsigned new_write = fifo_write;
-
-       for (i = 0; i < num; i++) {
-               new_write = (new_write + 1) & (fifo->len - 1);
-
-               if (new_write == fifo_read)
-                       break;
-               fifo->buffer[fifo_write] = data[i];
-               fifo_write = new_write;
-       }
-       fifo->write = fifo_write;
-       return i;
-}
-
-/**
- * Get up to num elements from the fifo. Return the number actully read
- */
-static inline unsigned
-kni_fifo_get(struct rte_kni_fifo *fifo, void **data, unsigned num)
-{
-       unsigned i = 0;
-       unsigned new_read = fifo->read;
-       unsigned fifo_write = fifo->write;
-       for (i = 0; i < num; i++) {
-               if (new_read == fifo_write)
-                       break;
-
-               data[i] = fifo->buffer[new_read];
-               new_read = (new_read + 1) & (fifo->len - 1);
-       }
-       fifo->read = new_read;
-       return i;
-}
-
-/**
- * Get the num of elements in the fifo
- */
-static inline unsigned
-kni_fifo_count(struct rte_kni_fifo *fifo)
-{
-       return (fifo->len + fifo->write - fifo->read) &( fifo->len - 1);
-}
-
-/**
- * Get the num of available lements in the fifo
- */
-static inline unsigned
-kni_fifo_free_count(struct rte_kni_fifo *fifo)
-{
-       return (fifo->read - fifo->write - 1) & (fifo->len - 1);
-}
-
 /*
  * Open and close
  */
@@ -392,7 +331,6 @@ kni_net_rx_lo_fifo_skb(struct kni_dev *kni)
                        skb_reserve(skb, 2);
                        memcpy(skb_put(skb, len), data_kva, len);
                        skb->dev = dev;
-                       skb->protocol = eth_type_trans(skb, dev);
                        skb->ip_summed = CHECKSUM_UNNECESSARY;
                        dev_kfree_skb(skb);
                }
@@ -408,7 +346,6 @@ kni_net_rx_lo_fifo_skb(struct kni_dev *kni)
                        skb_reserve(skb, 2);
                        memcpy(skb_put(skb, len), data_kva, len);
                        skb->dev = dev;
-                       skb->protocol = eth_type_trans(skb, dev);
                        skb->ip_summed = CHECKSUM_UNNECESSARY;
 
                        kni->stats.rx_bytes += len;
@@ -440,6 +377,18 @@ kni_net_rx(struct kni_dev *kni)
 /*
  * Transmit a packet (called by the kernel)
  */
+#ifdef RTE_KNI_VHOST
+static int
+kni_net_tx(struct sk_buff *skb, struct net_device *dev)
+{
+       struct kni_dev *kni = netdev_priv(dev);
+
+       dev_kfree_skb(skb);
+       kni->stats.tx_dropped++;
+
+       return NETDEV_TX_OK;
+}
+#else
 static int
 kni_net_tx(struct sk_buff *skb, struct net_device *dev)
 {
@@ -512,6 +461,7 @@ drop:
 
        return NETDEV_TX_OK;
 }
+#endif
 
 /*
  * Deal with a transmit timeout.