1 /* 2 * Broadcom Ethernettype protocol definitions 3 * 4 * Copyright (C) 1999-2017, 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 * 25 * <<Broadcom-WL-IPTag/Open:>> 26 * 27 * $Id: bcmeth.h 701825 2017-05-26 16:45:27Z $ 28 */ 29 30 /* 31 * Broadcom Ethernet protocol defines 32 */ 33 34 #ifndef _BCMETH_H_ 35 #define _BCMETH_H_ 36 37 #ifndef _TYPEDEFS_H_ 38 #include <typedefs.h> 39 #endif 40 41 /* This marks the start of a packed structure section. */ 42 #include <packed_section_start.h> 43 44 /* ETHER_TYPE_BRCM is defined in ethernet.h */ 45 46 /* 47 * Following the 2byte BRCM ether_type is a 16bit BRCM subtype field 48 * in one of two formats: (only subtypes 32768-65535 are in use now) 49 * 50 * subtypes 0-32767: 51 * 8 bit subtype (0-127) 52 * 8 bit length in bytes (0-255) 53 * 54 * subtypes 32768-65535: 55 * 16 bit big-endian subtype 56 * 16 bit big-endian length in bytes (0-65535) 57 * 58 * length is the number of additional bytes beyond the 4 or 6 byte header 59 * 60 * Reserved values: 61 * 0 reserved 62 * 5-15 reserved for iLine protocol assignments 63 * 17-126 reserved, assignable 64 * 127 reserved 65 * 32768 reserved 66 * 32769-65534 reserved, assignable 67 * 65535 reserved 68 */ 69 70 /* 71 * While adding the subtypes and their specific processing code make sure 72 * bcmeth_bcm_hdr_t is the first data structure in the user specific data structure definition 73 */ 74 75 #define BCMILCP_SUBTYPE_RATE 1 76 #define BCMILCP_SUBTYPE_LINK 2 77 #define BCMILCP_SUBTYPE_CSA 3 78 #define BCMILCP_SUBTYPE_LARQ 4 79 #define BCMILCP_SUBTYPE_VENDOR 5 80 #define BCMILCP_SUBTYPE_FLH 17 81 82 #define BCMILCP_SUBTYPE_VENDOR_LONG 32769 83 #define BCMILCP_SUBTYPE_CERT 32770 84 #define BCMILCP_SUBTYPE_SES 32771 85 86 87 #define BCMILCP_BCM_SUBTYPE_RESERVED 0 88 #define BCMILCP_BCM_SUBTYPE_EVENT 1 89 #define BCMILCP_BCM_SUBTYPE_SES 2 90 /* 91 * The EAPOL type is not used anymore. Instead EAPOL messages are now embedded 92 * within BCMILCP_BCM_SUBTYPE_EVENT type messages 93 */ 94 #define BCMILCP_BCM_SUBTYPE_DPT 4 95 #define BCMILCP_BCM_SUBTYPE_DNGLEVENT 5 96 97 #define BCMILCP_BCM_SUBTYPEHDR_MINLENGTH 8 98 #define BCMILCP_BCM_SUBTYPEHDR_VERSION 0 99 #define BCMILCP_BCM_SUBTYPE_EVENT_DATA_PAD 2 100 101 /* These fields are stored in network order */ 102 typedef BWL_PRE_PACKED_STRUCT struct bcmeth_hdr 103 { 104 uint16 subtype; /* Vendor specific..32769 */ 105 uint16 length; 106 uint8 version; /* Version is 0 */ 107 uint8 oui[3]; /* Broadcom OUI */ 108 /* user specific Data */ 109 uint16 usr_subtype; 110 } BWL_POST_PACKED_STRUCT bcmeth_hdr_t; 111 112 113 /* This marks the end of a packed structure section. */ 114 #include <packed_section_end.h> 115 116 #endif /* _BCMETH_H_ */ 117