samples/bpf/net_shared.h

   1 // SPDX-License-Identifier: GPL-2.0
   2 #ifndef _NET_SHARED_H
   3 #define _NET_SHARED_H
   4
   5 #define AF_INET         2
   6 #define AF_INET6        10
   7
   8 #define ETH_ALEN 6
   9 #define ETH_P_802_3_MIN 0x0600
  10 #define ETH_P_8021Q 0x8100
  11 #define ETH_P_8021AD 0x88A8
  12 #define ETH_P_IP 0x0800
  13 #define ETH_P_IPV6 0x86DD
  14 #define ETH_P_ARP 0x0806
  15 #define IPPROTO_ICMPV6 58
  16
  17 #define TC_ACT_OK               0
  18 #define TC_ACT_SHOT             2
  19
  20 #define IFNAMSIZ 16
  21
  22 #if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
  23         __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
  24 #define bpf_ntohs(x)            __builtin_bswap16(x)
  25 #define bpf_htons(x)            __builtin_bswap16(x)
  26 #elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \
  27         __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
  28 #define bpf_ntohs(x)            (x)
  29 #define bpf_htons(x)            (x)
  30 #else
  31 # error "Endianness detection needs to be set up for your compiler?!"
  32 #endif
  33
  34 #endif