samples/bpf/xdp_tx_iptunnel_common.h

   1 /* Copyright (c) 2016 Facebook
   2  *
   3  * This program is free software; you can redistribute it and/or
   4  * modify it under the terms of version 2 of the GNU General Public
   5  * License as published by the Free Software Foundation.
   6  */
   7 #ifndef _SAMPLES_BPF_XDP_TX_IPTNL_COMMON_H
   8 #define _SAMPLES_BPF_XDP_TX_IPTNL_COMMON_H
   9
  10 #include <linux/types.h>
  11
  12 #define MAX_IPTNL_ENTRIES 256U
  13
  14 struct vip {
  15         union {
  16                 __u32 v6[4];
  17                 __u32 v4;
  18         } daddr;
  19         __u16 dport;
  20         __u16 family;
  21         __u8 protocol;
  22 };
  23
  24 struct iptnl_info {
  25         union {
  26                 __u32 v6[4];
  27                 __u32 v4;
  28         } saddr;
  29         union {
  30                 __u32 v6[4];
  31                 __u32 v4;
  32         } daddr;
  33         __u16 family;
  34         __u8 dmac[6];
  35 };
  36
  37 #endif