148 lines
3.8 KiB
C
148 lines
3.8 KiB
C
/*
|
|
* From FreeBSD 2.2.7: Fundamental constants relating to ethernet.
|
|
*
|
|
* Copyright (C) 1999-2009, Broadcom Corporation
|
|
*
|
|
* Unless you and Broadcom execute a separate written software license
|
|
* agreement governing use of this software, this software is licensed to you
|
|
* under the terms of the GNU General Public License version 2 (the "GPL"),
|
|
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
|
|
* following added to such license:
|
|
*
|
|
* As a special exception, the copyright holders of this software give you
|
|
* permission to link this software with independent modules, and to copy and
|
|
* distribute the resulting executable under terms of your choice, provided that
|
|
* you also meet, for each linked independent module, the terms and conditions of
|
|
* the license of that module. An independent module is a module which is not
|
|
* derived from this software. The special exception does not apply to any
|
|
* modifications of the software.
|
|
*
|
|
* Notwithstanding the above, under no circumstances may you combine this
|
|
* software in any way with any other Broadcom software provided under a license
|
|
* other than the GPL, without Broadcom's express prior written consent.
|
|
*
|
|
* $Id: ethernet.h,v 9.45.56.3 2009/08/15 00:51:27 Exp $
|
|
*/
|
|
|
|
|
|
#ifndef _NET_ETHERNET_H_
|
|
#define _NET_ETHERNET_H_
|
|
|
|
#ifndef _TYPEDEFS_H_
|
|
#include "typedefs.h"
|
|
#endif
|
|
|
|
|
|
#include <packed_section_start.h>
|
|
|
|
|
|
|
|
#define ETHER_ADDR_LEN 6
|
|
|
|
|
|
#define ETHER_TYPE_LEN 2
|
|
|
|
|
|
#define ETHER_CRC_LEN 4
|
|
|
|
|
|
#define ETHER_HDR_LEN (ETHER_ADDR_LEN * 2 + ETHER_TYPE_LEN)
|
|
|
|
|
|
#define ETHER_MIN_LEN 64
|
|
|
|
|
|
#define ETHER_MIN_DATA 46
|
|
|
|
|
|
#define ETHER_MAX_LEN 1518
|
|
|
|
|
|
#define ETHER_MAX_DATA 1500
|
|
|
|
|
|
#define ETHER_TYPE_MIN 0x0600
|
|
#define ETHER_TYPE_IP 0x0800
|
|
#define ETHER_TYPE_ARP 0x0806
|
|
#define ETHER_TYPE_8021Q 0x8100
|
|
#define ETHER_TYPE_BRCM 0x886c
|
|
#define ETHER_TYPE_802_1X 0x888e
|
|
#ifdef BCMWPA2
|
|
#define ETHER_TYPE_802_1X_PREAUTH 0x88c7
|
|
#endif
|
|
|
|
|
|
#define ETHER_BRCM_SUBTYPE_LEN 4
|
|
#define ETHER_BRCM_CRAM 1
|
|
|
|
|
|
#define ETHER_DEST_OFFSET (0 * ETHER_ADDR_LEN)
|
|
#define ETHER_SRC_OFFSET (1 * ETHER_ADDR_LEN)
|
|
#define ETHER_TYPE_OFFSET (2 * ETHER_ADDR_LEN)
|
|
|
|
|
|
#define ETHER_IS_VALID_LEN(foo) \
|
|
((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN)
|
|
|
|
|
|
#ifndef __INCif_etherh
|
|
|
|
BWL_PRE_PACKED_STRUCT struct ether_header {
|
|
uint8 ether_dhost[ETHER_ADDR_LEN];
|
|
uint8 ether_shost[ETHER_ADDR_LEN];
|
|
uint16 ether_type;
|
|
} BWL_POST_PACKED_STRUCT;
|
|
|
|
|
|
BWL_PRE_PACKED_STRUCT struct ether_addr {
|
|
uint8 octet[ETHER_ADDR_LEN];
|
|
} BWL_POST_PACKED_STRUCT;
|
|
#endif
|
|
|
|
|
|
#define ETHER_SET_LOCALADDR(ea) (((uint8 *)(ea))[0] = (((uint8 *)(ea))[0] | 2))
|
|
#define ETHER_IS_LOCALADDR(ea) (((uint8 *)(ea))[0] & 2)
|
|
#define ETHER_CLR_LOCALADDR(ea) (((uint8 *)(ea))[0] = (((uint8 *)(ea))[0] & 0xd))
|
|
#define ETHER_TOGGLE_LOCALADDR(ea) (((uint8 *)(ea))[0] = (((uint8 *)(ea))[0] ^ 2))
|
|
|
|
|
|
#define ETHER_SET_UNICAST(ea) (((uint8 *)(ea))[0] = (((uint8 *)(ea))[0] & ~1))
|
|
|
|
|
|
#define ETHER_ISMULTI(ea) (((const uint8 *)(ea))[0] & 1)
|
|
|
|
|
|
|
|
#define ether_cmp(a, b) (!(((short*)a)[0] == ((short*)b)[0]) | \
|
|
!(((short*)a)[1] == ((short*)b)[1]) | \
|
|
!(((short*)a)[2] == ((short*)b)[2]))
|
|
|
|
|
|
#define ether_copy(s, d) { \
|
|
((short*)d)[0] = ((short*)s)[0]; \
|
|
((short*)d)[1] = ((short*)s)[1]; \
|
|
((short*)d)[2] = ((short*)s)[2]; }
|
|
|
|
|
|
static const struct ether_addr ether_bcast = {{255, 255, 255, 255, 255, 255}};
|
|
static const struct ether_addr ether_null = {{0, 0, 0, 0, 0, 0}};
|
|
|
|
#define ETHER_ISBCAST(ea) ((((uint8 *)(ea))[0] & \
|
|
((uint8 *)(ea))[1] & \
|
|
((uint8 *)(ea))[2] & \
|
|
((uint8 *)(ea))[3] & \
|
|
((uint8 *)(ea))[4] & \
|
|
((uint8 *)(ea))[5]) == 0xff)
|
|
#define ETHER_ISNULLADDR(ea) ((((uint8 *)(ea))[0] | \
|
|
((uint8 *)(ea))[1] | \
|
|
((uint8 *)(ea))[2] | \
|
|
((uint8 *)(ea))[3] | \
|
|
((uint8 *)(ea))[4] | \
|
|
((uint8 *)(ea))[5]) == 0)
|
|
|
|
|
|
|
|
#include <packed_section_end.h>
|
|
|
|
#endif
|