1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Fundamental constants relating to ICMP Protocol 4 * 5 * Copyright (C) 1999-2019, Broadcom. 6 * 7 * Unless you and Broadcom execute a separate written software license 8 * agreement governing use of this software, this software is licensed to you 9 * under the terms of the GNU General Public License version 2 (the "GPL"), 10 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 11 * following added to such license: 12 * 13 * As a special exception, the copyright holders of this software give you 14 * permission to link this software with independent modules, and to copy and 15 * distribute the resulting executable under terms of your choice, provided that 16 * you also meet, for each linked independent module, the terms and conditions of 17 * the license of that module. An independent module is a module which is not 18 * derived from this software. The special exception does not apply to any 19 * modifications of the software. 20 * 21 * Notwithstanding the above, under no circumstances may you combine this 22 * software in any way with any other Broadcom software provided under a license 23 * other than the GPL, without Broadcom's express prior written consent. 24 * 25 * 26 * <<Broadcom-WL-IPTag/Open:>> 27 * 28 * $Id: bcmicmp.h 700076 2017-05-17 14:42:22Z $ 29 */ 30 31 #ifndef _bcmicmp_h_ 32 #define _bcmicmp_h_ 33 34 #ifndef _TYPEDEFS_H_ 35 #include <typedefs.h> 36 #endif // endif 37 38 /* This marks the start of a packed structure section. */ 39 #include <packed_section_start.h> 40 41 #define ICMP_TYPE_ECHO_REQUEST 8 /* ICMP type echo request */ 42 #define ICMP_TYPE_ECHO_REPLY 0 /* ICMP type echo reply */ 43 44 #define ICMP_CHKSUM_OFFSET 2 /* ICMP body checksum offset */ 45 46 /* ICMP6 error and control message types */ 47 #define ICMP6_DEST_UNREACHABLE 1 48 #define ICMP6_PKT_TOO_BIG 2 49 #define ICMP6_TIME_EXCEEDED 3 50 #define ICMP6_PARAM_PROBLEM 4 51 #define ICMP6_ECHO_REQUEST 128 52 #define ICMP6_ECHO_REPLY 129 53 #define ICMP_MCAST_LISTENER_QUERY 130 54 #define ICMP_MCAST_LISTENER_REPORT 131 55 #define ICMP_MCAST_LISTENER_DONE 132 56 #define ICMP6_RTR_SOLICITATION 133 57 #define ICMP6_RTR_ADVERTISEMENT 134 58 #define ICMP6_NEIGH_SOLICITATION 135 59 #define ICMP6_NEIGH_ADVERTISEMENT 136 60 #define ICMP6_REDIRECT 137 61 62 #define ICMP6_RTRSOL_OPT_OFFSET 8 63 #define ICMP6_RTRADV_OPT_OFFSET 16 64 #define ICMP6_NEIGHSOL_OPT_OFFSET 24 65 #define ICMP6_NEIGHADV_OPT_OFFSET 24 66 #define ICMP6_REDIRECT_OPT_OFFSET 40 67 68 BWL_PRE_PACKED_STRUCT struct icmp6_opt { 69 uint8 type; /* Option identifier */ 70 uint8 length; /* Lenth including type and length */ 71 uint8 data[0]; /* Variable length data */ 72 } BWL_POST_PACKED_STRUCT; 73 74 #define ICMP6_OPT_TYPE_SRC_LINK_LAYER 1 75 #define ICMP6_OPT_TYPE_TGT_LINK_LAYER 2 76 #define ICMP6_OPT_TYPE_PREFIX_INFO 3 77 #define ICMP6_OPT_TYPE_REDIR_HDR 4 78 #define ICMP6_OPT_TYPE_MTU 5 79 80 /* These fields are stored in network order */ 81 BWL_PRE_PACKED_STRUCT struct bcmicmp_hdr { 82 uint8 type; /* Echo or Echo-reply */ 83 uint8 code; /* Always 0 */ 84 uint16 chksum; /* Icmp packet checksum */ 85 } BWL_POST_PACKED_STRUCT; 86 87 /* This marks the end of a packed structure section. */ 88 #include <packed_section_end.h> 89 90 #endif /* #ifndef _bcmicmp_h_ */ 91