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104 lines
2.5 KiB
C
104 lines
2.5 KiB
C
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/*
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* Broadcom Ethernettype protocol definitions
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*
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* Copyright 2005, Broadcom Corporation
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* All Rights Reserved.
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*
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* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
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* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
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* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
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*
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*/
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/*
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* Broadcom Ethernet protocol defines
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*
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*/
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#ifndef _BCMETH_H_
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#define _BCMETH_H_
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/* enable structure packing */
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#if defined(__GNUC__)
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#define PACKED __attribute__((packed))
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#else
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#pragma pack(1)
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#define PACKED
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#endif
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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_SUBTYPEHDR_MINLENGTH 8
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#define BCMILCP_BCM_SUBTYPEHDR_VERSION 0
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/* These fields are stored in network order */
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typedef 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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} PACKED bcmeth_hdr_t;
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#undef PACKED
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#if !defined(__GNUC__)
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#pragma pack()
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#endif
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#endif
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