net: xmit_list() becomes dev_hard_start_xmit().

Now fundamentally we can process lists of SKBs as cheaply
as single packets.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/dev.c b/net/core/dev.c
index c89da4f..6857d57 100644 (file)
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2570,8 +2570,8 @@ static int xmit_one(struct sk_buff *skb, struct net_device *dev,
        return rc;
 }
 
-static struct sk_buff *xmit_list(struct sk_buff *first, struct net_device *dev,
-                                struct netdev_queue *txq, int *ret)
+struct sk_buff *dev_hard_start_xmit(struct sk_buff *first, struct net_device *dev,
+                                   struct netdev_queue *txq, int *ret)
 {
        struct sk_buff *skb = first;
        int rc = NETDEV_TX_OK;
@@ -2673,17 +2673,6 @@ out_null:
        return NULL;
 }
 
-struct sk_buff *dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
-                                   struct netdev_queue *txq, int *ret)
-{
-       if (likely(!skb->next)) {
-               *ret = xmit_one(skb, dev, txq, false);
-               return skb;
-       }
-
-       return xmit_list(skb, dev, txq, ret);
-}
-
 static void qdisc_pkt_len_init(struct sk_buff *skb)
 {
        const struct skb_shared_info *shinfo = skb_shinfo(skb);