1 /* 2 * Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without modification, 5 * are permitted provided that the following conditions are met: 6 * 7 * 1. Redistributions of source code must retain the above copyright notice, this list of 8 * conditions and the following disclaimer. 9 * 10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 11 * of conditions and the following disclaimer in the documentation and/or other materials 12 * provided with the distribution. 13 * 14 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific prior written 16 * permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 25 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 27 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 28 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef _ADAPT_NET_ETHERNET_H 32 #define _ADAPT_NET_ETHERNET_H 33 34 #include <stdint.h> 35 #include <sys/types.h> 36 #include <netinet/if_ether.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 #define ETHERTYPE_PUP 0x0200 43 #define ETHERTYPE_SPRITE 0x0500 44 #define ETHERTYPE_IP 0x0800 45 #define ETHERTYPE_ARP 0x0806 46 #define ETHERTYPE_REVARP 0x8035 47 #define ETHERTYPE_AT 0x809B 48 #define ETHERTYPE_AARP 0x80F3 49 #define ETHERTYPE_VLAN 0x8100 50 #define ETHERTYPE_IPX 0x8137 51 #define ETHERTYPE_IPV6 0x86dd 52 53 #define ETHER_ADDR_LEN ETH_ALEN 54 #define ETHER_TYPE_LEN ETH_TLEN 55 #define ETHER_CRC_LEN 4 56 #define ETHER_HDR_LEN ETH_HLEN 57 #define ETHER_MIN_LEN (ETH_ZLEN + ETHER_CRC_LEN) 58 #define ETHER_MAX_LEN (ETH_FRAME_LEN + ETHER_CRC_LEN) 59 60 #define ETHER_IS_VALID_LEN(foo) ((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN) 61 62 #define ETHERTYPE_TRAIL 0x1000 63 #define ETHERTYPE_NTRAILER 16 64 65 #define ETHERMTU ETH_DATA_LEN 66 #define ETHERMIN (ETHER_MIN_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN) 67 68 struct ether_addr { 69 uint8_t ether_addr_octet[ETH_ALEN]; 70 }; 71 72 struct ether_header { 73 uint8_t ether_dhost[ETH_ALEN]; 74 uint8_t ether_shost[ETH_ALEN]; 75 uint16_t ether_type; 76 }; 77 78 #ifdef __cplusplus 79 } 80 #endif 81 82 #endif /* !_ADAPT_NET_ETHERNET_H */ 83