1 files changed, 14 insertions, 8 deletions

diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 1f61f0cc95d8..690a1aae0b34 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -68,6 +68,7 @@ static DEFINE_PER_CPU(struct net_device_stats, loopback_stats);
  * of largesending device modulo TCP checksum, which is ignored for loopback.
  */
 
+#ifdef LOOPBACK_TSO
 static void emulate_large_send_offload(struct sk_buff *skb)
 {
         struct iphdr *iph = skb->nh.iph;
@@ -119,6 +120,7 @@ static void emulate_large_send_offload(struct sk_buff *skb)
 
         dev_kfree_skb(skb);
 }
+#endif /* LOOPBACK_TSO */
 
 /*
  * The higher levels take care of making this non-reentrant (it's
@@ -130,12 +132,13 @@ static int loopback_xmit(struct sk_buff *skb, struct net_device *dev)
 
         skb_orphan(skb);
 
-        skb->protocol=eth_type_trans(skb,dev);
-        skb->dev=dev;
+        skb->protocol = eth_type_trans(skb,dev);
+        skb->dev = dev;
 #ifndef LOOPBACK_MUST_CHECKSUM
         skb->ip_summed = CHECKSUM_UNNECESSARY;
 #endif
 
+#ifdef LOOPBACK_TSO
         if (skb_shinfo(skb)->tso_size) {
                 BUG_ON(skb->protocol != htons(ETH_P_IP));
                 BUG_ON(skb->nh.iph->protocol != IPPROTO_TCP);
@@ -143,14 +146,14 @@ static int loopback_xmit(struct sk_buff *skb, struct net_device *dev)
                 emulate_large_send_offload(skb);
                 return 0;
         }
-
+#endif
         dev->last_rx = jiffies;
 
         lb_stats = &per_cpu(loopback_stats, get_cpu());
         lb_stats->rx_bytes += skb->len;
-        lb_stats->tx_bytes += skb->len;
+        lb_stats->tx_bytes = lb_stats->rx_bytes;
         lb_stats->rx_packets++;
-        lb_stats->tx_packets++;
+        lb_stats->tx_packets = lb_stats->rx_packets;
         put_cpu();
 
         netif_rx(skb);
@@ -208,9 +211,12 @@ struct net_device loopback_dev = {
         .type                   = ARPHRD_LOOPBACK,      /* 0x0001*/
         .rebuild_header         = eth_rebuild_header,
         .flags                  = IFF_LOOPBACK,
-        .features               = NETIF_F_SG|NETIF_F_FRAGLIST
-                                  |NETIF_F_NO_CSUM|NETIF_F_HIGHDMA
-                                  |NETIF_F_LLTX,
+        .features               = NETIF_F_SG | NETIF_F_FRAGLIST
+#ifdef LOOPBACK_TSO
+                                  | NETIF_F_TSO
+#endif
+                                  | NETIF_F_NO_CSUM | NETIF_F_HIGHDMA
+                                  | NETIF_F_LLTX,
         .ethtool_ops            = &loopback_ethtool_ops,
 };