1 #ifndef __NET_IP_TUNNELS_WRAPPER_H
2 #define __NET_IP_TUNNELS_WRAPPER_H 1
4 #include <linux/version.h>
5 #if defined(HAVE_GRE_HANDLE_OFFLOADS) && \
6 LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0) && \
7 defined(HAVE_VXLAN_XMIT_SKB)
8 /* RHEL6 and RHEL7 both has backported tunnel API but RHEL6 has
9 * older version, so avoid using RHEL6 backports.
11 #define USE_KERNEL_TUNNEL_API
14 #ifdef USE_KERNEL_TUNNEL_API
15 #include_next <net/ip_tunnels.h>
17 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,15,0)
18 static inline int rpl_iptunnel_xmit(struct sock *sk, struct rtable *rt,
19 struct sk_buff *skb, __be32 src,
20 __be32 dst, __u8 proto, __u8 tos,
21 __u8 ttl, __be16 df, bool xnet)
23 #ifdef HAVE_IPTUNNEL_XMIT_NET
24 return iptunnel_xmit(NULL, rt, skb, src, dst, proto, tos, ttl, df);
26 return iptunnel_xmit(rt, skb, src, dst, proto, tos, ttl, df, xnet);
29 #define iptunnel_xmit rpl_iptunnel_xmit
34 #include <linux/if_tunnel.h>
35 #include <linux/netdevice.h>
36 #include <linux/skbuff.h>
37 #include <linux/types.h>
38 #include <net/dsfield.h>
40 #include <net/inet_ecn.h>
42 #include <net/rtnetlink.h>
44 #define TUNNEL_CSUM __cpu_to_be16(0x01)
45 #define TUNNEL_ROUTING __cpu_to_be16(0x02)
46 #define TUNNEL_KEY __cpu_to_be16(0x04)
47 #define TUNNEL_SEQ __cpu_to_be16(0x08)
48 #define TUNNEL_STRICT __cpu_to_be16(0x10)
49 #define TUNNEL_REC __cpu_to_be16(0x20)
50 #define TUNNEL_VERSION __cpu_to_be16(0x40)
51 #define TUNNEL_NO_KEY __cpu_to_be16(0x80)
52 #define TUNNEL_DONT_FRAGMENT __cpu_to_be16(0x0100)
62 #define PACKET_REJECT 1
64 int iptunnel_xmit(struct sock *sk, struct rtable *rt,
66 __be32 src, __be32 dst, __u8 proto,
67 __u8 tos, __u8 ttl, __be16 df, bool xnet);
69 int iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto);
73 /* Not yet upstream */
74 #define TUNNEL_OAM __cpu_to_be16(0x0200)
75 #define TUNNEL_CRIT_OPT __cpu_to_be16(0x0400)
76 #define TUNNEL_OPTIONS_PRESENT __cpu_to_be16(0x0800)
78 #endif /* __NET_IP_TUNNELS_H */