1 /* 2 * Broadcom Ethernettype protocol definitions 3 * 4 * Copyright (C) 1999-2013, Broadcom Corporation 5 * 6 * Unless you and Broadcom execute a separate written software license 7 * agreement governing use of this software, this software is licensed to you 8 * under the terms of the GNU General Public License version 2 (the "GPL"), 9 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 10 * following added to such license: 11 * 12 * As a special exception, the copyright holders of this software give you 13 * permission to link this software with independent modules, and to copy and 14 * distribute the resulting executable under terms of your choice, provided that 15 * you also meet, for each linked independent module, the terms and conditions of 16 * the license of that module. An independent module is a module which is not 17 * derived from this software. The special exception does not apply to any 18 * modifications of the software. 19 * 20 * Notwithstanding the above, under no circumstances may you combine this 21 * software in any way with any other Broadcom software provided under a license 22 * other than the GPL, without Broadcom's express prior written consent. 23 * 24 * $Id: bcmeth.h 382882 2013-02-04 23:24:31Z $ 25 */ 26 27 /* 28 * Broadcom Ethernet protocol defines 29 */ 30 31 #ifndef _BCMETH_H_ 32 #define _BCMETH_H_ 33 34 #ifndef _TYPEDEFS_H_ 35 #include <typedefs.h> 36 #endif 37 38 /* This marks the start of a packed structure section. */ 39 #include <packed_section_start.h> 40 41 /* ETHER_TYPE_BRCM is defined in ethernet.h */ 42 43 /* 44 * Following the 2byte BRCM ether_type is a 16bit BRCM subtype field 45 * in one of two formats: (only subtypes 32768-65535 are in use now) 46 * 47 * subtypes 0-32767: 48 * 8 bit subtype (0-127) 49 * 8 bit length in bytes (0-255) 50 * 51 * subtypes 32768-65535: 52 * 16 bit big-endian subtype 53 * 16 bit big-endian length in bytes (0-65535) 54 * 55 * length is the number of additional bytes beyond the 4 or 6 byte header 56 * 57 * Reserved values: 58 * 0 reserved 59 * 5-15 reserved for iLine protocol assignments 60 * 17-126 reserved, assignable 61 * 127 reserved 62 * 32768 reserved 63 * 32769-65534 reserved, assignable 64 * 65535 reserved 65 */ 66 67 /* 68 * While adding the subtypes and their specific processing code make sure 69 * bcmeth_bcm_hdr_t is the first data structure in the user specific data structure definition 70 */ 71 72 #define BCMILCP_SUBTYPE_RATE 1 73 #define BCMILCP_SUBTYPE_LINK 2 74 #define BCMILCP_SUBTYPE_CSA 3 75 #define BCMILCP_SUBTYPE_LARQ 4 76 #define BCMILCP_SUBTYPE_VENDOR 5 77 #define BCMILCP_SUBTYPE_FLH 17 78 79 #define BCMILCP_SUBTYPE_VENDOR_LONG 32769 80 #define BCMILCP_SUBTYPE_CERT 32770 81 #define BCMILCP_SUBTYPE_SES 32771 82 83 84 #define BCMILCP_BCM_SUBTYPE_RESERVED 0 85 #define BCMILCP_BCM_SUBTYPE_EVENT 1 86 #define BCMILCP_BCM_SUBTYPE_SES 2 87 /* 88 * The EAPOL type is not used anymore. Instead EAPOL messages are now embedded 89 * within BCMILCP_BCM_SUBTYPE_EVENT type messages 90 */ 91 /* #define BCMILCP_BCM_SUBTYPE_EAPOL 3 */ 92 #define BCMILCP_BCM_SUBTYPE_DPT 4 93 94 #define BCMILCP_BCM_SUBTYPEHDR_MINLENGTH 8 95 #define BCMILCP_BCM_SUBTYPEHDR_VERSION 0 96 97 /* These fields are stored in network order */ 98 typedef BWL_PRE_PACKED_STRUCT struct bcmeth_hdr 99 { 100 uint16 subtype; /* Vendor specific..32769 */ 101 uint16 length; 102 uint8 version; /* Version is 0 */ 103 uint8 oui[3]; /* Broadcom OUI */ 104 /* user specific Data */ 105 uint16 usr_subtype; 106 } BWL_POST_PACKED_STRUCT bcmeth_hdr_t; 107 108 109 /* This marks the end of a packed structure section. */ 110 #include <packed_section_end.h> 111 112 #endif /* _BCMETH_H_ */ 113