/*
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* Fundamental constants relating to ICMP Protocol
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*
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* Copyright (C) 2020, Broadcom.
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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*
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* <<Broadcom-WL-IPTag/Dual:>>
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*/
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#ifndef _bcmicmp_h_
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#define _bcmicmp_h_
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#ifndef _TYPEDEFS_H_
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#include <typedefs.h>
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#endif
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/* This marks the start of a packed structure section. */
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#include <packed_section_start.h>
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#define ICMP_TYPE_ECHO_REQUEST 8 /* ICMP type echo request */
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#define ICMP_TYPE_ECHO_REPLY 0 /* ICMP type echo reply */
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#define ICMP_CHKSUM_OFFSET 2 /* ICMP body checksum offset */
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/* ICMP6 error and control message types */
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#define ICMP6_DEST_UNREACHABLE 1
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#define ICMP6_PKT_TOO_BIG 2
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#define ICMP6_TIME_EXCEEDED 3
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#define ICMP6_PARAM_PROBLEM 4
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#define ICMP6_ECHO_REQUEST 128
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#define ICMP6_ECHO_REPLY 129
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#define ICMP_MCAST_LISTENER_QUERY 130
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#define ICMP_MCAST_LISTENER_REPORT 131
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#define ICMP_MCAST_LISTENER_DONE 132
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#define ICMP6_RTR_SOLICITATION 133
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#define ICMP6_RTR_ADVERTISEMENT 134
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#define ICMP6_NEIGH_SOLICITATION 135
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#define ICMP6_NEIGH_ADVERTISEMENT 136
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#define ICMP6_REDIRECT 137
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#define ICMP6_RTRSOL_OPT_OFFSET 8
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#define ICMP6_RTRADV_OPT_OFFSET 16
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#define ICMP6_NEIGHSOL_OPT_OFFSET 24
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#define ICMP6_NEIGHADV_OPT_OFFSET 24
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#define ICMP6_REDIRECT_OPT_OFFSET 40
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BWL_PRE_PACKED_STRUCT struct icmp6_opt {
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uint8 type; /* Option identifier */
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uint8 length; /* Lenth including type and length */
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uint8 data[0]; /* Variable length data */
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} BWL_POST_PACKED_STRUCT;
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#define ICMP6_OPT_TYPE_SRC_LINK_LAYER 1
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#define ICMP6_OPT_TYPE_TGT_LINK_LAYER 2
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#define ICMP6_OPT_TYPE_PREFIX_INFO 3
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#define ICMP6_OPT_TYPE_REDIR_HDR 4
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#define ICMP6_OPT_TYPE_MTU 5
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/* These fields are stored in network order */
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BWL_PRE_PACKED_STRUCT struct bcmicmp_hdr {
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uint8 type; /* Echo or Echo-reply */
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uint8 code; /* Always 0 */
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uint16 chksum; /* Icmp packet checksum */
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} BWL_POST_PACKED_STRUCT;
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/* This marks the end of a packed structure section. */
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#include <packed_section_end.h>
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#endif /* #ifndef _bcmicmp_h_ */
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