1 /* 2 * Broadcom Ethernettype protocol definitions 3 * 4 * Portions of this code are copyright (c) 2022 Cypress Semiconductor Corporation 5 * 6 * Copyright (C) 1999-2017, Broadcom Corporation 7 * 8 * Unless you and Broadcom execute a separate written software license 9 * agreement governing use of this software, this software is licensed to you 10 * under the terms of the GNU General Public License version 2 (the "GPL"), 11 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 12 * following added to such license: 13 * 14 * As a special exception, the copyright holders of this software give you 15 * permission to link this software with independent modules, and to copy and 16 * distribute the resulting executable under terms of your choice, provided that 17 * you also meet, for each linked independent module, the terms and conditions of 18 * the license of that module. An independent module is a module which is not 19 * derived from this software. The special exception does not apply to any 20 * modifications of the software. 21 * 22 * Notwithstanding the above, under no circumstances may you combine this 23 * software in any way with any other Broadcom software provided under a license 24 * other than the GPL, without Broadcom's express prior written consent. 25 * 26 * 27 * <<Broadcom-WL-IPTag/Open:>> 28 * 29 * $Id$ 30 */ 31 32 /* 33 * Broadcom Ethernet protocol defines 34 */ 35 36 #ifndef _BCMETH_H_ 37 #define _BCMETH_H_ 38 39 #ifndef _TYPEDEFS_H_ 40 #include <typedefs.h> 41 #endif // endif 42 43 /* This marks the start of a packed structure section. */ 44 #include <packed_section_start.h> 45 46 /* ETHER_TYPE_BRCM is defined in ethernet.h */ 47 48 /* 49 * Following the 2byte BRCM ether_type is a 16bit BRCM subtype field 50 * in one of two formats: (only subtypes 32768-65535 are in use now) 51 * 52 * subtypes 0-32767: 53 * 8 bit subtype (0-127) 54 * 8 bit length in bytes (0-255) 55 * 56 * subtypes 32768-65535: 57 * 16 bit big-endian subtype 58 * 16 bit big-endian length in bytes (0-65535) 59 * 60 * length is the number of additional bytes beyond the 4 or 6 byte header 61 * 62 * Reserved values: 63 * 0 reserved 64 * 5-15 reserved for iLine protocol assignments 65 * 17-126 reserved, assignable 66 * 127 reserved 67 * 32768 reserved 68 * 32769-65534 reserved, assignable 69 * 65535 reserved 70 */ 71 72 /* 73 * While adding the subtypes and their specific processing code make sure 74 * bcmeth_bcm_hdr_t is the first data structure in the user specific data structure definition 75 */ 76 77 #define BCMILCP_SUBTYPE_RATE 1 78 #define BCMILCP_SUBTYPE_LINK 2 79 #define BCMILCP_SUBTYPE_CSA 3 80 #define BCMILCP_SUBTYPE_LARQ 4 81 #define BCMILCP_SUBTYPE_VENDOR 5 82 #define BCMILCP_SUBTYPE_FLH 17 83 84 #define BCMILCP_SUBTYPE_VENDOR_LONG 32769 85 #define BCMILCP_SUBTYPE_CERT 32770 86 #define BCMILCP_SUBTYPE_SES 32771 87 88 #define BCMILCP_BCM_SUBTYPE_RESERVED 0 89 #define BCMILCP_BCM_SUBTYPE_EVENT 1 90 #define BCMILCP_BCM_SUBTYPE_SES 2 91 /* 92 * The EAPOL type is not used anymore. Instead EAPOL messages are now embedded 93 * within BCMILCP_BCM_SUBTYPE_EVENT type messages 94 */ 95 /* #define BCMILCP_BCM_SUBTYPE_EAPOL 3 */ 96 #define BCMILCP_BCM_SUBTYPE_DPT 4 97 #define BCMILCP_BCM_SUBTYPE_DNGLEVENT 5 98 99 #define BCMILCP_BCM_SUBTYPEHDR_MINLENGTH 8 100 #define BCMILCP_BCM_SUBTYPEHDR_VERSION 0 101 #define BCMILCP_BCM_SUBTYPE_EVENT_DATA_PAD 2 102 103 /* These fields are stored in network order */ 104 typedef BWL_PRE_PACKED_STRUCT struct bcmeth_hdr 105 { 106 uint16 subtype; /* Vendor specific..32769 */ 107 uint16 length; 108 uint8 version; /* Version is 0 */ 109 uint8 oui[3]; /* Broadcom OUI */ 110 /* user specific Data */ 111 uint16 usr_subtype; 112 } BWL_POST_PACKED_STRUCT bcmeth_hdr_t; 113 114 /* This marks the end of a packed structure section. */ 115 #include <packed_section_end.h> 116 117 #endif /* _BCMETH_H_ */ 118