datapath: Add support for lwtunnel

[cascardo/ovs.git] / datapath / linux / compat / skbuff-openvswitch.c

diff --git a/datapath/linux/compat/skbuff-openvswitch.c b/datapath/linux/compat/skbuff-openvswitch.c
index fad1cc7..c46798d 100644 (file)
--- a/datapath/linux/compat/skbuff-openvswitch.c
+++ b/datapath/linux/compat/skbuff-openvswitch.c
@@ -2,6 +2,7 @@
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
 #include <linux/if_vlan.h>
+#include <linux/kconfig.h>
 
 #include "gso.h"
 
@@ -280,3 +281,34 @@ void rpl_kfree_skb_list(struct sk_buff *segs)
 }
 EXPORT_SYMBOL(rpl_kfree_skb_list);
 #endif
+
+#ifndef HAVE_SKB_SCRUB_PACKET_XNET
+
+#define nf_reset_trace rpl_nf_reset_trace
+static void nf_reset_trace(struct sk_buff *skb)
+{
+#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE) || defined(CONFIG_NF_TABLES)
+       skb->nf_trace = 0;
+#endif
+}
+
+void rpl_skb_scrub_packet(struct sk_buff *skb, bool xnet)
+{
+       skb->tstamp.tv64 = 0;
+       skb->pkt_type = PACKET_HOST;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)
+       skb->skb_iif = 0;
+#endif
+       skb->ignore_df = 0;
+       skb_dst_drop(skb);
+       secpath_reset(skb);
+       nf_reset(skb);
+       nf_reset_trace(skb);
+
+       if (!xnet)
+               return;
+
+       skb_orphan(skb);
+       skb->mark = 0;
+}
+#endif