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