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_IF_ARP_H 32 #define _ADAPT_NET_IF_ARP_H 33 34 #include <inttypes.h> 35 #include <sys/types.h> 36 #include <sys/socket.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 #define MAX_ADDR_LEN 7 43 44 #define ARPOP_REQUEST 1 45 #define ARPOP_REPLY 2 46 #define ARPOP_RREQUEST 3 47 #define ARPOP_RREPLY 4 48 #define ARPOP_InREQUEST 8 49 #define ARPOP_InREPLY 9 50 #define ARPOP_NAK 10 51 52 #define ATF_INUSE 0x01 53 #define ATF_COM 0x02 54 #define ATF_PERM 0x04 55 #define ATF_PUBL 0x08 56 #define ATF_USETRAILERS 0x10 57 58 #define ARPD_UPDATE 0x01 59 #define ARPD_LOOKUP 0x02 60 #define ARPD_FLUSH 0x03 61 62 struct arphdr { 63 uint16_t ar_hrd; 64 uint16_t ar_pro; 65 uint8_t ar_hln; 66 uint8_t ar_pln; 67 uint16_t ar_op; 68 }; 69 70 #define ARP_DEV_LEN 16 71 struct arpreq { 72 struct sockaddr arp_pa; 73 struct sockaddr arp_ha; 74 int arp_flags; 75 struct sockaddr arp_netmask; 76 char arp_dev[ARP_DEV_LEN]; 77 }; 78 79 struct arpreq_old { 80 struct sockaddr arp_pa; 81 struct sockaddr arp_ha; 82 int arp_flags; 83 struct sockaddr arp_netmask; 84 }; 85 86 struct arpd_request { 87 unsigned short req; 88 uint32_t ip; 89 unsigned long dev; 90 unsigned long stamp; 91 unsigned long updated; 92 unsigned char ha[MAX_ADDR_LEN]; 93 }; 94 95 #ifdef __cplusplus 96 } 97 #endif 98 99 #endif /* !_ADAPT_NET_IF_ARP_H */ 100