/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Broadcom Ethernettype protocol definitions
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*
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* Copyright (C) 1999-2017, Broadcom Corporation
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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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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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*
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* <<Broadcom-WL-IPTag/Open:>>
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*
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* $Id: bcmeth.h 701825 2017-05-26 16:45:27Z $
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*/
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/*
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* Broadcom Ethernet protocol defines
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*/
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#ifndef _BCMETH_H_
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#define _BCMETH_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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/* ETHER_TYPE_BRCM is defined in ethernet.h */
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/*
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* Following the 2byte BRCM ether_type is a 16bit BRCM subtype field
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* in one of two formats: (only subtypes 32768-65535 are in use now)
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*
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* subtypes 0-32767:
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* 8 bit subtype (0-127)
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* 8 bit length in bytes (0-255)
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*
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* subtypes 32768-65535:
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* 16 bit big-endian subtype
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* 16 bit big-endian length in bytes (0-65535)
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*
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* length is the number of additional bytes beyond the 4 or 6 byte header
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*
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* Reserved values:
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* 0 reserved
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* 5-15 reserved for iLine protocol assignments
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* 17-126 reserved, assignable
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* 127 reserved
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* 32768 reserved
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* 32769-65534 reserved, assignable
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* 65535 reserved
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*/
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/*
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* While adding the subtypes and their specific processing code make sure
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* bcmeth_bcm_hdr_t is the first data structure in the user specific data structure definition
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*/
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#define BCMILCP_SUBTYPE_RATE 1
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#define BCMILCP_SUBTYPE_LINK 2
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#define BCMILCP_SUBTYPE_CSA 3
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#define BCMILCP_SUBTYPE_LARQ 4
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#define BCMILCP_SUBTYPE_VENDOR 5
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#define BCMILCP_SUBTYPE_FLH 17
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#define BCMILCP_SUBTYPE_VENDOR_LONG 32769
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#define BCMILCP_SUBTYPE_CERT 32770
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#define BCMILCP_SUBTYPE_SES 32771
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#define BCMILCP_BCM_SUBTYPE_RESERVED 0
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#define BCMILCP_BCM_SUBTYPE_EVENT 1
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#define BCMILCP_BCM_SUBTYPE_SES 2
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/*
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* The EAPOL type is not used anymore. Instead EAPOL messages are now embedded
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* within BCMILCP_BCM_SUBTYPE_EVENT type messages
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*/
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/* #define BCMILCP_BCM_SUBTYPE_EAPOL 3 */
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#define BCMILCP_BCM_SUBTYPE_DPT 4
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#define BCMILCP_BCM_SUBTYPE_DNGLEVENT 5
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#define BCMILCP_BCM_SUBTYPEHDR_MINLENGTH 8
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#define BCMILCP_BCM_SUBTYPEHDR_VERSION 0
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#define BCMILCP_BCM_SUBTYPE_EVENT_DATA_PAD 2
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/* These fields are stored in network order */
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typedef BWL_PRE_PACKED_STRUCT struct bcmeth_hdr
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{
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uint16 subtype; /* Vendor specific..32769 */
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uint16 length;
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uint8 version; /* Version is 0 */
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uint8 oui[3]; /* Broadcom OUI */
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/* user specific Data */
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uint16 usr_subtype;
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} BWL_POST_PACKED_STRUCT bcmeth_hdr_t;
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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 /* _BCMETH_H_ */
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