ip_tunnels: extend iptunnel_xmit()

Refactor various ip tunnels xmit functions and extend iptunnel_xmit()
so that there is more code sharing.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 15 insertions, 11 deletions

diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 1be442f89406..b84f1ab09d78 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -155,23 +155,27 @@ static inline void tunnel_ip_select_ident(struct sk_buff *skb,
                                   (skb_shinfo(skb)->gso_segs ?: 1) - 1);
 }
 
-static inline void iptunnel_xmit(struct sk_buff *skb, struct net_device *dev)
+int iptunnel_xmit(struct net *net, struct rtable *rt,
+                  struct sk_buff *skb,
+                  __be32 src, __be32 dst, __u8 proto,
+                  __u8 tos, __u8 ttl, __be16 df);
+
+static inline void iptunnel_xmit_stats(int err,
+                                       struct net_device_stats *err_stats,
+                                       struct pcpu_tstats __percpu *stats)
 {
-        int err;
-        int pkt_len = skb->len - skb_transport_offset(skb);
-        struct pcpu_tstats *tstats = this_cpu_ptr(dev->tstats);
+        if (err > 0) {
+                struct pcpu_tstats *tstats = this_cpu_ptr(stats);
 
-        nf_reset(skb);
-
-        err = ip_local_out(skb);
-        if (likely(net_xmit_eval(err) == 0)) {
                 u64_stats_update_begin(&tstats->syncp);
-                tstats->tx_bytes += pkt_len;
+                tstats->tx_bytes += err;
                 tstats->tx_packets++;
                 u64_stats_update_end(&tstats->syncp);
+        } else if (err < 0) {
+                err_stats->tx_errors++;
+                err_stats->tx_aborted_errors++;
         } else {
-                dev->stats.tx_errors++;
-                dev->stats.tx_aborted_errors++;
+                err_stats->tx_dropped++;
         }
 }
 #endif /* __NET_IP_TUNNELS_H */