1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Broadcom Ethernettype protocol definitions 4 * 5 * Copyright (C) 1999-2019, Broadcom. 6 * 7 * Unless you and Broadcom execute a separate written software license 8 * agreement governing use of this software, this software is licensed to you 9 * under the terms of the GNU General Public License version 2 (the "GPL"), 10 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 11 * following added to such license: 12 * 13 * As a special exception, the copyright holders of this software give you 14 * permission to link this software with independent modules, and to copy and 15 * distribute the resulting executable under terms of your choice, provided that 16 * you also meet, for each linked independent module, the terms and conditions of 17 * the license of that module. An independent module is a module which is not 18 * derived from this software. The special exception does not apply to any 19 * modifications of the software. 20 * 21 * Notwithstanding the above, under no circumstances may you combine this 22 * software in any way with any other Broadcom software provided under a license 23 * other than the GPL, without Broadcom's express prior written consent. 24 * 25 * 26 * <<Broadcom-WL-IPTag/Open:>> 27 * 28 * $Id: bcmeth.h 701825 2017-05-26 16:45:27Z $ 29 */ 30 31 /* 32 * Broadcom Ethernet protocol defines 33 */ 34 35 #ifndef _BCMETH_H_ 36 #define _BCMETH_H_ 37 38 #ifndef _TYPEDEFS_H_ 39 #include <typedefs.h> 40 #endif // endif 41 42 /* This marks the start of a packed structure section. */ 43 #include <packed_section_start.h> 44 45 /* ETHER_TYPE_BRCM is defined in ethernet.h */ 46 47 /* 48 * Following the 2byte BRCM ether_type is a 16bit BRCM subtype field 49 * in one of two formats: (only subtypes 32768-65535 are in use now) 50 * 51 * subtypes 0-32767: 52 * 8 bit subtype (0-127) 53 * 8 bit length in bytes (0-255) 54 * 55 * subtypes 32768-65535: 56 * 16 bit big-endian subtype 57 * 16 bit big-endian length in bytes (0-65535) 58 * 59 * length is the number of additional bytes beyond the 4 or 6 byte header 60 * 61 * Reserved values: 62 * 0 reserved 63 * 5-15 reserved for iLine protocol assignments 64 * 17-126 reserved, assignable 65 * 127 reserved 66 * 32768 reserved 67 * 32769-65534 reserved, assignable 68 * 65535 reserved 69 */ 70 71 /* 72 * While adding the subtypes and their specific processing code make sure 73 * bcmeth_bcm_hdr_t is the first data structure in the user specific data structure definition 74 */ 75 76 #define BCMILCP_SUBTYPE_RATE 1 77 #define BCMILCP_SUBTYPE_LINK 2 78 #define BCMILCP_SUBTYPE_CSA 3 79 #define BCMILCP_SUBTYPE_LARQ 4 80 #define BCMILCP_SUBTYPE_VENDOR 5 81 #define BCMILCP_SUBTYPE_FLH 17 82 83 #define BCMILCP_SUBTYPE_VENDOR_LONG 32769 84 #define BCMILCP_SUBTYPE_CERT 32770 85 #define BCMILCP_SUBTYPE_SES 32771 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_EAPOL 3 */ 95 #define BCMILCP_BCM_SUBTYPE_DPT 4 96 #define BCMILCP_BCM_SUBTYPE_DNGLEVENT 5 97 98 #define BCMILCP_BCM_SUBTYPEHDR_MINLENGTH 8 99 #define BCMILCP_BCM_SUBTYPEHDR_VERSION 0 100 #define BCMILCP_BCM_SUBTYPE_EVENT_DATA_PAD 2 101 102 /* These fields are stored in network order */ 103 typedef BWL_PRE_PACKED_STRUCT struct bcmeth_hdr 104 { 105 uint16 subtype; /* Vendor specific..32769 */ 106 uint16 length; 107 uint8 version; /* Version is 0 */ 108 uint8 oui[3]; /* Broadcom OUI */ 109 /* user specific Data */ 110 uint16 usr_subtype; 111 } BWL_POST_PACKED_STRUCT bcmeth_hdr_t; 112 113 /* This marks the end of a packed structure section. */ 114 #include <packed_section_end.h> 115 116 #endif /* _BCMETH_H_ */ 117