/* * Broadcom Ethernettype protocol definitions * * Copyright 2006, 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. * * $Id: bcmeth.h,v 1.1.1.4 2006/02/27 03:43:16 honor Exp $ */ /* * 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_ */