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