datapath/linux/compat/include/net/ip_tunnels.h

   1 #ifndef __NET_IP_TUNNELS_WRAPPER_H
   2 #define __NET_IP_TUNNELS_WRAPPER_H 1
   3
   4 #include <linux/version.h>
   5
   6 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0)
   7 #include_next <net/ip_tunnels.h>
   8 #endif
   9
  10 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,18,0)
  11
  12 #include <linux/if_tunnel.h>
  13 #include <linux/netdevice.h>
  14 #include <linux/skbuff.h>
  15 #include <linux/types.h>
  16 #include <net/dsfield.h>
  17 #include <net/flow.h>
  18 #include <net/inet_ecn.h>
  19 #include <net/ip.h>
  20 #include <net/rtnetlink.h>
  21
  22 struct sk_buff *ovs_iptunnel_handle_offloads(struct sk_buff *skb,
  23                                              bool csum_help, int gso_type_mask,
  24                                              void (*fix_segment)(struct sk_buff *));
  25
  26 #define iptunnel_xmit rpl_iptunnel_xmit
  27 int rpl_iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb,
  28                       __be32 src, __be32 dst, __u8 proto, __u8 tos, __u8 ttl,
  29                       __be16 df, bool xnet);
  30
  31 #define iptunnel_pull_header rpl_iptunnel_pull_header
  32 int rpl_iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto);
  33
  34 #else
  35
  36 #define ovs_iptunnel_handle_offloads(skb, csum_help, gso_type_mask, fix_segment) \
  37         iptunnel_handle_offloads(skb, csum_help, gso_type_mask)
  38
  39 #endif /* 3.18 */
  40
  41 #ifndef TUNNEL_CSUM
  42 #define TUNNEL_CSUM     __cpu_to_be16(0x01)
  43 #define TUNNEL_ROUTING  __cpu_to_be16(0x02)
  44 #define TUNNEL_KEY      __cpu_to_be16(0x04)
  45 #define TUNNEL_SEQ      __cpu_to_be16(0x08)
  46 #define TUNNEL_STRICT   __cpu_to_be16(0x10)
  47 #define TUNNEL_REC      __cpu_to_be16(0x20)
  48 #define TUNNEL_VERSION  __cpu_to_be16(0x40)
  49 #define TUNNEL_NO_KEY   __cpu_to_be16(0x80)
  50
  51 struct tnl_ptk_info {
  52         __be16 flags;
  53         __be16 proto;
  54         __be32 key;
  55         __be32 seq;
  56 };
  57
  58 #define PACKET_RCVD     0
  59 #define PACKET_REJECT   1
  60 #endif
  61
  62 #ifndef TUNNEL_DONT_FRAGMENT
  63 #define TUNNEL_DONT_FRAGMENT    __cpu_to_be16(0x0100)
  64 #endif
  65
  66 #ifndef TUNNEL_OAM
  67 #define TUNNEL_OAM      __cpu_to_be16(0x0200)
  68 #define TUNNEL_CRIT_OPT __cpu_to_be16(0x0400)
  69 #endif
  70
  71 #ifndef TUNNEL_GENEVE_OPT
  72 #define TUNNEL_GENEVE_OPT      __cpu_to_be16(0x0800)
  73 #endif
  74
  75 #ifndef TUNNEL_VXLAN_OPT
  76 #define TUNNEL_VXLAN_OPT       __cpu_to_be16(0x1000)
  77 #endif
  78
  79 /* Older kernels defined TUNNEL_OPTIONS_PRESENT to GENEVE only */
  80 #undef TUNNEL_OPTIONS_PRESENT
  81 #define TUNNEL_OPTIONS_PRESENT (TUNNEL_GENEVE_OPT | TUNNEL_VXLAN_OPT)
  82
  83 #define skb_is_encapsulated ovs_skb_is_encapsulated
  84 bool ovs_skb_is_encapsulated(struct sk_buff *skb);
  85
  86 #endif /* __NET_IP_TUNNELS_H */