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/*
* Broadcom Ethernettype protocol definitions
*
* Copyright 2007, Broadcom Corporation
* All Rights Reserved.
*
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
*
*/
/*
* Broadcom Ethernet protocol defines
*/
#ifndef _BCMETH_H_
#define _BCMETH_H_
/* enable structure packing */
#if defined(__GNUC__)
#define PACKED __attribute__((packed))
#else
#pragma pack(1)
#define PACKED
#endif
/* ETHER_TYPE_BRCM is defined in ethernet.h */
/*
* Following the 2byte BRCM ether_type is a 16bit BRCM subtype field
* in one of two formats: (only subtypes 32768-65535 are in use now)
*
* subtypes 0-32767:
* 8 bit subtype (0-127)
* 8 bit length in bytes (0-255)
*
* subtypes 32768-65535:
* 16 bit big-endian subtype
* 16 bit big-endian length in bytes (0-65535)
*
* length is the number of additional bytes beyond the 4 or 6 byte header
*
* Reserved values:
* 0 reserved
* 5-15 reserved for iLine protocol assignments
* 17-126 reserved, assignable
* 127 reserved
* 32768 reserved
* 32769-65534 reserved, assignable
* 65535 reserved
*/
/*
* While adding the subtypes and their specific processing code make sure
* bcmeth_bcm_hdr_t is the first data structure in the user specific data structure definition
*/
#define BCMILCP_SUBTYPE_RATE 1
#define BCMILCP_SUBTYPE_LINK 2
#define BCMILCP_SUBTYPE_CSA 3
#define BCMILCP_SUBTYPE_LARQ 4
#define BCMILCP_SUBTYPE_VENDOR 5
#define BCMILCP_SUBTYPE_FLH 17
#define BCMILCP_SUBTYPE_VENDOR_LONG 32769
#define BCMILCP_SUBTYPE_CERT 32770
#define BCMILCP_SUBTYPE_SES 32771
#define BCMILCP_BCM_SUBTYPE_RESERVED 0
#define BCMILCP_BCM_SUBTYPE_EVENT 1
#define BCMILCP_BCM_SUBTYPE_SES 2
/*
* The EAPOL type is not used anymore. Instead EAPOL messages are now embedded
* within BCMILCP_BCM_SUBTYPE_EVENT type messages
*/
/* #define BCMILCP_BCM_SUBTYPE_EAPOL 3 */
#define BCMILCP_BCM_SUBTYPEHDR_MINLENGTH 8
#define BCMILCP_BCM_SUBTYPEHDR_VERSION 0
/* These fields are stored in network order */
typedef struct bcmeth_hdr
{
uint16 subtype; /* Vendor specific..32769 */
uint16 length;
uint8 version; /* Version is 0 */
uint8 oui[3]; /* Broadcom OUI */
/* user specific Data */
uint16 usr_subtype;
} PACKED bcmeth_hdr_t;
#undef PACKED
#if !defined(__GNUC__)
#pragma pack()
#endif
#endif /* _BCMETH_H_ */
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