1 files changed, 46 insertions, 1 deletions

diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c
index 6156f4ef5e91..6f847dd56dbc 100644
--- a/net/ipv4/ip_tunnel_core.c
+++ b/net/ipv4/ip_tunnel_core.c
@@ -108,7 +108,6 @@ int iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto)
         nf_reset(skb);
         secpath_reset(skb);
         skb_clear_hash_if_not_l4(skb);
-        skb_dst_drop(skb);
         skb->vlan_tci = 0;
         skb_set_queue_mapping(skb, 0);
         skb->pkt_type = PACKET_HOST;
@@ -148,3 +147,49 @@ error:
         return ERR_PTR(err);
 }
 EXPORT_SYMBOL_GPL(iptunnel_handle_offloads);
+
+/* Often modified stats are per cpu, other are shared (netdev->stats) */
+struct rtnl_link_stats64 *ip_tunnel_get_stats64(struct net_device *dev,
+                                                struct rtnl_link_stats64 *tot)
+{
+        int i;
+
+        for_each_possible_cpu(i) {
+                const struct pcpu_sw_netstats *tstats =
+                                                   per_cpu_ptr(dev->tstats, i);
+                u64 rx_packets, rx_bytes, tx_packets, tx_bytes;
+                unsigned int start;
+
+                do {
+                        start = u64_stats_fetch_begin_bh(&tstats->syncp);
+                        rx_packets = tstats->rx_packets;
+                        tx_packets = tstats->tx_packets;
+                        rx_bytes = tstats->rx_bytes;
+                        tx_bytes = tstats->tx_bytes;
+                } while (u64_stats_fetch_retry_bh(&tstats->syncp, start));
+
+                tot->rx_packets += rx_packets;
+                tot->tx_packets += tx_packets;
+                tot->rx_bytes   += rx_bytes;
+                tot->tx_bytes   += tx_bytes;
+        }
+
+        tot->multicast = dev->stats.multicast;
+
+        tot->rx_crc_errors = dev->stats.rx_crc_errors;
+        tot->rx_fifo_errors = dev->stats.rx_fifo_errors;
+        tot->rx_length_errors = dev->stats.rx_length_errors;
+        tot->rx_frame_errors = dev->stats.rx_frame_errors;
+        tot->rx_errors = dev->stats.rx_errors;
+
+        tot->tx_fifo_errors = dev->stats.tx_fifo_errors;
+        tot->tx_carrier_errors = dev->stats.tx_carrier_errors;
+        tot->tx_dropped = dev->stats.tx_dropped;
+        tot->tx_aborted_errors = dev->stats.tx_aborted_errors;
+        tot->tx_errors = dev->stats.tx_errors;
+
+        tot->collisions  = dev->stats.collisions;
+
+        return tot;
+}
+EXPORT_SYMBOL_GPL(ip_tunnel_get_stats64);