1 /* 2 * Fundamental constants relating to ICMP Protocol 3 * 4 * Copyright (C) 2020, 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 of 16 * the license of that module. An independent module is a module which is not 17 * derived from this software. The special exception does not apply to any 18 * modifications of the software. 19 * 20 * 21 * <<Broadcom-WL-IPTag/Dual:>> 22 */ 23 24 #ifndef _bcmicmp_h_ 25 #define _bcmicmp_h_ 26 27 #ifndef _TYPEDEFS_H_ 28 #include <typedefs.h> 29 #endif 30 31 /* This marks the start of a packed structure section. */ 32 #include <packed_section_start.h> 33 34 #define ICMP_TYPE_ECHO_REQUEST 8 /* ICMP type echo request */ 35 #define ICMP_TYPE_ECHO_REPLY 0 /* ICMP type echo reply */ 36 37 #define ICMP_CHKSUM_OFFSET 2 /* ICMP body checksum offset */ 38 39 /* ICMP6 error and control message types */ 40 #define ICMP6_DEST_UNREACHABLE 1 41 #define ICMP6_PKT_TOO_BIG 2 42 #define ICMP6_TIME_EXCEEDED 3 43 #define ICMP6_PARAM_PROBLEM 4 44 #define ICMP6_ECHO_REQUEST 128 45 #define ICMP6_ECHO_REPLY 129 46 #define ICMP_MCAST_LISTENER_QUERY 130 47 #define ICMP_MCAST_LISTENER_REPORT 131 48 #define ICMP_MCAST_LISTENER_DONE 132 49 #define ICMP6_RTR_SOLICITATION 133 50 #define ICMP6_RTR_ADVERTISEMENT 134 51 #define ICMP6_NEIGH_SOLICITATION 135 52 #define ICMP6_NEIGH_ADVERTISEMENT 136 53 #define ICMP6_REDIRECT 137 54 55 #define ICMP6_RTRSOL_OPT_OFFSET 8 56 #define ICMP6_RTRADV_OPT_OFFSET 16 57 #define ICMP6_NEIGHSOL_OPT_OFFSET 24 58 #define ICMP6_NEIGHADV_OPT_OFFSET 24 59 #define ICMP6_REDIRECT_OPT_OFFSET 40 60 61 BWL_PRE_PACKED_STRUCT struct icmp6_opt { 62 uint8 type; /* Option identifier */ 63 uint8 length; /* Lenth including type and length */ 64 uint8 data[0]; /* Variable length data */ 65 } BWL_POST_PACKED_STRUCT; 66 67 #define ICMP6_OPT_TYPE_SRC_LINK_LAYER 1 68 #define ICMP6_OPT_TYPE_TGT_LINK_LAYER 2 69 #define ICMP6_OPT_TYPE_PREFIX_INFO 3 70 #define ICMP6_OPT_TYPE_REDIR_HDR 4 71 #define ICMP6_OPT_TYPE_MTU 5 72 73 /* These fields are stored in network order */ 74 BWL_PRE_PACKED_STRUCT struct bcmicmp_hdr { 75 uint8 type; /* Echo or Echo-reply */ 76 uint8 code; /* Always 0 */ 77 uint16 chksum; /* Icmp packet checksum */ 78 } BWL_POST_PACKED_STRUCT; 79 80 /* This marks the end of a packed structure section. */ 81 #include <packed_section_end.h> 82 83 #endif /* #ifndef _bcmicmp_h_ */ 84