/* * Copyright (C) 1999-2013, Broadcom Corporation * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * * Fundamental constants relating to 802.3 * * $Id: 802.3.h 382882 2013-02-04 23:24:31Z $ */ #ifndef _802_3_h_ #define _802_3_h_ /* This marks the start of a packed structure section. */ #include <packed_section_start.h> #define SNAP_HDR_LEN 6 /* 802.3 SNAP header length */ #define DOT3_OUI_LEN 3 /* 802.3 oui length */ BWL_PRE_PACKED_STRUCT struct dot3_mac_llc_snap_header { uint8 ether_dhost[ETHER_ADDR_LEN]; /* dest mac */ uint8 ether_shost[ETHER_ADDR_LEN]; /* src mac */ uint16 length; /* frame length incl header */ uint8 dsap; /* always 0xAA */ uint8 ssap; /* always 0xAA */ uint8 ctl; /* always 0x03 */ uint8 oui[DOT3_OUI_LEN]; /* RFC1042: 0x00 0x00 0x00 * Bridge-Tunnel: 0x00 0x00 0xF8 */ uint16 type; /* ethertype */ } BWL_POST_PACKED_STRUCT; /* This marks the end of a packed structure section. */ #include <packed_section_end.h> #endif /* #ifndef _802_3_h_ */