1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Fundamental constants relating to ICMP Protocol 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright (C) 2020, Broadcom. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Unless you and Broadcom execute a separate written software license 7*4882a593Smuzhiyun * agreement governing use of this software, this software is licensed to you 8*4882a593Smuzhiyun * under the terms of the GNU General Public License version 2 (the "GPL"), 9*4882a593Smuzhiyun * available at http://www.broadcom.com/licenses/GPLv2.php, with the 10*4882a593Smuzhiyun * following added to such license: 11*4882a593Smuzhiyun * 12*4882a593Smuzhiyun * As a special exception, the copyright holders of this software give you 13*4882a593Smuzhiyun * permission to link this software with independent modules, and to copy and 14*4882a593Smuzhiyun * distribute the resulting executable under terms of your choice, provided that 15*4882a593Smuzhiyun * you also meet, for each linked independent module, the terms and conditions of 16*4882a593Smuzhiyun * the license of that module. An independent module is a module which is not 17*4882a593Smuzhiyun * derived from this software. The special exception does not apply to any 18*4882a593Smuzhiyun * modifications of the software. 19*4882a593Smuzhiyun * 20*4882a593Smuzhiyun * 21*4882a593Smuzhiyun * <<Broadcom-WL-IPTag/Dual:>> 22*4882a593Smuzhiyun */ 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #ifndef _bcmicmp_h_ 25*4882a593Smuzhiyun #define _bcmicmp_h_ 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun #ifndef _TYPEDEFS_H_ 28*4882a593Smuzhiyun #include <typedefs.h> 29*4882a593Smuzhiyun #endif 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun /* This marks the start of a packed structure section. */ 32*4882a593Smuzhiyun #include <packed_section_start.h> 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #define ICMP_TYPE_ECHO_REQUEST 8 /* ICMP type echo request */ 35*4882a593Smuzhiyun #define ICMP_TYPE_ECHO_REPLY 0 /* ICMP type echo reply */ 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun #define ICMP_CHKSUM_OFFSET 2 /* ICMP body checksum offset */ 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun /* ICMP6 error and control message types */ 40*4882a593Smuzhiyun #define ICMP6_DEST_UNREACHABLE 1 41*4882a593Smuzhiyun #define ICMP6_PKT_TOO_BIG 2 42*4882a593Smuzhiyun #define ICMP6_TIME_EXCEEDED 3 43*4882a593Smuzhiyun #define ICMP6_PARAM_PROBLEM 4 44*4882a593Smuzhiyun #define ICMP6_ECHO_REQUEST 128 45*4882a593Smuzhiyun #define ICMP6_ECHO_REPLY 129 46*4882a593Smuzhiyun #define ICMP_MCAST_LISTENER_QUERY 130 47*4882a593Smuzhiyun #define ICMP_MCAST_LISTENER_REPORT 131 48*4882a593Smuzhiyun #define ICMP_MCAST_LISTENER_DONE 132 49*4882a593Smuzhiyun #define ICMP6_RTR_SOLICITATION 133 50*4882a593Smuzhiyun #define ICMP6_RTR_ADVERTISEMENT 134 51*4882a593Smuzhiyun #define ICMP6_NEIGH_SOLICITATION 135 52*4882a593Smuzhiyun #define ICMP6_NEIGH_ADVERTISEMENT 136 53*4882a593Smuzhiyun #define ICMP6_REDIRECT 137 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun #define ICMP6_RTRSOL_OPT_OFFSET 8 56*4882a593Smuzhiyun #define ICMP6_RTRADV_OPT_OFFSET 16 57*4882a593Smuzhiyun #define ICMP6_NEIGHSOL_OPT_OFFSET 24 58*4882a593Smuzhiyun #define ICMP6_NEIGHADV_OPT_OFFSET 24 59*4882a593Smuzhiyun #define ICMP6_REDIRECT_OPT_OFFSET 40 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun BWL_PRE_PACKED_STRUCT struct icmp6_opt { 62*4882a593Smuzhiyun uint8 type; /* Option identifier */ 63*4882a593Smuzhiyun uint8 length; /* Lenth including type and length */ 64*4882a593Smuzhiyun uint8 data[0]; /* Variable length data */ 65*4882a593Smuzhiyun } BWL_POST_PACKED_STRUCT; 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun #define ICMP6_OPT_TYPE_SRC_LINK_LAYER 1 68*4882a593Smuzhiyun #define ICMP6_OPT_TYPE_TGT_LINK_LAYER 2 69*4882a593Smuzhiyun #define ICMP6_OPT_TYPE_PREFIX_INFO 3 70*4882a593Smuzhiyun #define ICMP6_OPT_TYPE_REDIR_HDR 4 71*4882a593Smuzhiyun #define ICMP6_OPT_TYPE_MTU 5 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun /* These fields are stored in network order */ 74*4882a593Smuzhiyun BWL_PRE_PACKED_STRUCT struct bcmicmp_hdr { 75*4882a593Smuzhiyun uint8 type; /* Echo or Echo-reply */ 76*4882a593Smuzhiyun uint8 code; /* Always 0 */ 77*4882a593Smuzhiyun uint16 chksum; /* Icmp packet checksum */ 78*4882a593Smuzhiyun } BWL_POST_PACKED_STRUCT; 79*4882a593Smuzhiyun 80*4882a593Smuzhiyun /* This marks the end of a packed structure section. */ 81*4882a593Smuzhiyun #include <packed_section_end.h> 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun #endif /* #ifndef _bcmicmp_h_ */ 84