| 1 | /* |
| 2 | * Broadcom Ethernettype protocol definitions |
| 3 | * |
| 4 | * Copyright 2007, Broadcom Corporation |
| 5 | * All Rights Reserved. |
| 6 | * |
| 7 | * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY |
| 8 | * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM |
| 9 | * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS |
| 10 | * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | /* |
| 15 | * Broadcom Ethernet protocol defines |
| 16 | */ |
| 17 | |
| 18 | #ifndef _BCMETH_H_ |
| 19 | #define _BCMETH_H_ |
| 20 | |
| 21 | /* enable structure packing */ |
| 22 | #if defined(__GNUC__) |
| 23 | #define PACKED __attribute__((packed)) |
| 24 | #else |
| 25 | #pragma pack(1) |
| 26 | #define PACKED |
| 27 | #endif |
| 28 | |
| 29 | /* ETHER_TYPE_BRCM is defined in ethernet.h */ |
| 30 | |
| 31 | /* |
| 32 | * Following the 2byte BRCM ether_type is a 16bit BRCM subtype field |
| 33 | * in one of two formats: (only subtypes 32768-65535 are in use now) |
| 34 | * |
| 35 | * subtypes 0-32767: |
| 36 | * 8 bit subtype (0-127) |
| 37 | * 8 bit length in bytes (0-255) |
| 38 | * |
| 39 | * subtypes 32768-65535: |
| 40 | * 16 bit big-endian subtype |
| 41 | * 16 bit big-endian length in bytes (0-65535) |
| 42 | * |
| 43 | * length is the number of additional bytes beyond the 4 or 6 byte header |
| 44 | * |
| 45 | * Reserved values: |
| 46 | * 0 reserved |
| 47 | * 5-15 reserved for iLine protocol assignments |
| 48 | * 17-126 reserved, assignable |
| 49 | * 127 reserved |
| 50 | * 32768 reserved |
| 51 | * 32769-65534 reserved, assignable |
| 52 | * 65535 reserved |
| 53 | */ |
| 54 | |
| 55 | /* |
| 56 | * While adding the subtypes and their specific processing code make sure |
| 57 | * bcmeth_bcm_hdr_t is the first data structure in the user specific data structure definition |
| 58 | */ |
| 59 | |
| 60 | #define BCMILCP_SUBTYPE_RATE 1 |
| 61 | #define BCMILCP_SUBTYPE_LINK 2 |
| 62 | #define BCMILCP_SUBTYPE_CSA 3 |
| 63 | #define BCMILCP_SUBTYPE_LARQ 4 |
| 64 | #define BCMILCP_SUBTYPE_VENDOR 5 |
| 65 | #define BCMILCP_SUBTYPE_FLH 17 |
| 66 | |
| 67 | #define BCMILCP_SUBTYPE_VENDOR_LONG 32769 |
| 68 | #define BCMILCP_SUBTYPE_CERT 32770 |
| 69 | #define BCMILCP_SUBTYPE_SES 32771 |
| 70 | |
| 71 | |
| 72 | #define BCMILCP_BCM_SUBTYPE_RESERVED 0 |
| 73 | #define BCMILCP_BCM_SUBTYPE_EVENT 1 |
| 74 | #define BCMILCP_BCM_SUBTYPE_SES 2 |
| 75 | /* |
| 76 | * The EAPOL type is not used anymore. Instead EAPOL messages are now embedded |
| 77 | * within BCMILCP_BCM_SUBTYPE_EVENT type messages |
| 78 | */ |
| 79 | /* #define BCMILCP_BCM_SUBTYPE_EAPOL 3 */ |
| 80 | |
| 81 | #define BCMILCP_BCM_SUBTYPEHDR_MINLENGTH 8 |
| 82 | #define BCMILCP_BCM_SUBTYPEHDR_VERSION 0 |
| 83 | |
| 84 | /* These fields are stored in network order */ |
| 85 | typedef struct bcmeth_hdr |
| 86 | { |
| 87 | uint16 subtype; /* Vendor specific..32769 */ |
| 88 | uint16 length; |
| 89 | uint8 version; /* Version is 0 */ |
| 90 | uint8 oui[3]; /* Broadcom OUI */ |
| 91 | /* user specific Data */ |
| 92 | uint16 usr_subtype; |
| 93 | } PACKED bcmeth_hdr_t; |
| 94 | |
| 95 | #undef PACKED |
| 96 | #if !defined(__GNUC__) |
| 97 | #pragma pack() |
| 98 | #endif |
| 99 | |
| 100 | #endif /* _BCMETH_H_ */ |
| 101 | |
