Commit | Line | Data |
---|---|---|
3c2a0909 S |
1 | /* |
2 | * Fundamental constants relating to 802.3 | |
3 | * | |
4c205efb | 4 | * Copyright (C) 1999-2018, Broadcom Corporation |
3c2a0909 S |
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 | * | |
4c205efb | 27 | * $Id: 802.3.h 700076 2017-05-17 14:42:22Z $ |
3c2a0909 S |
28 | */ |
29 | ||
30 | #ifndef _802_3_h_ | |
31 | #define _802_3_h_ | |
32 | ||
33 | /* This marks the start of a packed structure section. */ | |
34 | #include <packed_section_start.h> | |
35 | ||
36 | #define SNAP_HDR_LEN 6 /* 802.3 SNAP header length */ | |
37 | #define DOT3_OUI_LEN 3 /* 802.3 oui length */ | |
38 | ||
39 | BWL_PRE_PACKED_STRUCT struct dot3_mac_llc_snap_header { | |
40 | uint8 ether_dhost[ETHER_ADDR_LEN]; /* dest mac */ | |
41 | uint8 ether_shost[ETHER_ADDR_LEN]; /* src mac */ | |
42 | uint16 length; /* frame length incl header */ | |
43 | uint8 dsap; /* always 0xAA */ | |
44 | uint8 ssap; /* always 0xAA */ | |
45 | uint8 ctl; /* always 0x03 */ | |
46 | uint8 oui[DOT3_OUI_LEN]; /* RFC1042: 0x00 0x00 0x00 | |
47 | * Bridge-Tunnel: 0x00 0x00 0xF8 | |
48 | */ | |
49 | uint16 type; /* ethertype */ | |
50 | } BWL_POST_PACKED_STRUCT; | |
51 | ||
52 | /* This marks the end of a packed structure section. */ | |
53 | #include <packed_section_end.h> | |
54 | ||
55 | #endif /* #ifndef _802_3_h_ */ |