1 /* 2 * Fundamental constants relating to ICMP Protocol 3 * 4 * Portions of this code are copyright (c) 2022 Cypress Semiconductor Corporation 5 * 6 * Copyright (C) 1999-2017, Broadcom Corporation 7 * 8 * Unless you and Broadcom execute a separate written software license 9 * agreement governing use of this software, this software is licensed to you 10 * under the terms of the GNU General Public License version 2 (the "GPL"), 11 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 12 * following added to such license: 13 * 14 * As a special exception, the copyright holders of this software give you 15 * permission to link this software with independent modules, and to copy and 16 * distribute the resulting executable under terms of your choice, provided that 17 * you also meet, for each linked independent module, the terms and conditions of 18 * the license of that module. An independent module is a module which is not 19 * derived from this software. The special exception does not apply to any 20 * modifications of the software. 21 * 22 * Notwithstanding the above, under no circumstances may you combine this 23 * software in any way with any other Broadcom software provided under a license 24 * other than the GPL, without Broadcom's express prior written consent. 25 * 26 * 27 * <<Broadcom-WL-IPTag/Open:>> 28 * 29 * $Id$ 30 */ 31 32 #ifndef _bcmicmp_h_ 33 #define _bcmicmp_h_ 34 35 #ifndef _TYPEDEFS_H_ 36 #include <typedefs.h> 37 #endif // endif 38 39 /* This marks the start of a packed structure section. */ 40 #include <packed_section_start.h> 41 42 #define ICMP_TYPE_ECHO_REQUEST 8 /* ICMP type echo request */ 43 #define ICMP_TYPE_ECHO_REPLY 0 /* ICMP type echo reply */ 44 45 #define ICMP_CHKSUM_OFFSET 2 /* ICMP body checksum offset */ 46 47 /* ICMP6 error and control message types */ 48 #define ICMP6_DEST_UNREACHABLE 1 49 #define ICMP6_PKT_TOO_BIG 2 50 #define ICMP6_TIME_EXCEEDED 3 51 #define ICMP6_PARAM_PROBLEM 4 52 #define ICMP6_ECHO_REQUEST 128 53 #define ICMP6_ECHO_REPLY 129 54 #define ICMP_MCAST_LISTENER_QUERY 130 55 #define ICMP_MCAST_LISTENER_REPORT 131 56 #define ICMP_MCAST_LISTENER_DONE 132 57 #define ICMP6_RTR_SOLICITATION 133 58 #define ICMP6_RTR_ADVERTISEMENT 134 59 #define ICMP6_NEIGH_SOLICITATION 135 60 #define ICMP6_NEIGH_ADVERTISEMENT 136 61 #define ICMP6_REDIRECT 137 62 63 #define ICMP6_RTRSOL_OPT_OFFSET 8 64 #define ICMP6_RTRADV_OPT_OFFSET 16 65 #define ICMP6_NEIGHSOL_OPT_OFFSET 24 66 #define ICMP6_NEIGHADV_OPT_OFFSET 24 67 #define ICMP6_REDIRECT_OPT_OFFSET 40 68 69 BWL_PRE_PACKED_STRUCT struct icmp6_opt { 70 uint8 type; /* Option identifier */ 71 uint8 length; /* Lenth including type and length */ 72 uint8 data[0]; /* Variable length data */ 73 } BWL_POST_PACKED_STRUCT; 74 75 #define ICMP6_OPT_TYPE_SRC_LINK_LAYER 1 76 #define ICMP6_OPT_TYPE_TGT_LINK_LAYER 2 77 #define ICMP6_OPT_TYPE_PREFIX_INFO 3 78 #define ICMP6_OPT_TYPE_REDIR_HDR 4 79 #define ICMP6_OPT_TYPE_MTU 5 80 81 /* These fields are stored in network order */ 82 BWL_PRE_PACKED_STRUCT struct bcmicmp_hdr { 83 uint8 type; /* Echo or Echo-reply */ 84 uint8 code; /* Always 0 */ 85 uint16 chksum; /* Icmp packet checksum */ 86 } BWL_POST_PACKED_STRUCT; 87 88 /* This marks the end of a packed structure section. */ 89 #include <packed_section_end.h> 90 91 #endif /* #ifndef _bcmicmp_h_ */ 92