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* From FreeBSD 2.2.7: Fundamental constants relating to ethernet.
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* Copyright 2008, Broadcom Corporation
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2, available at
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"), with the
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* following added to such license:
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, regardless of the
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* license terms of these independent modules, and to copy and distribute the
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* resulting executable under terms of your choice, provided that you also meet,
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* for each linked independent module, the terms and conditions of the license
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* of that module. An independent module is a module which is not derived from
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* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
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* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
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* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
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* $Id: ethernet.h,v 9.45.12.1 2008/08/13 02:24:19 Exp $
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#ifndef _NET_ETHERNET_H_
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#define _NET_ETHERNET_H_
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#define PACKED __attribute__((packed))
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#define ETHER_ADDR_LEN 6
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#define ETHER_TYPE_LEN 2
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#define ETHER_CRC_LEN 4
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#define ETHER_HDR_LEN (ETHER_ADDR_LEN * 2 + ETHER_TYPE_LEN)
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#define ETHER_MIN_LEN 64
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#define ETHER_MIN_DATA 46
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#define ETHER_MAX_LEN 1518
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#define ETHER_MAX_DATA 1500
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#define ETHER_TYPE_MIN 0x0600
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#define ETHER_TYPE_IP 0x0800
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#define ETHER_TYPE_ARP 0x0806
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#define ETHER_TYPE_8021Q 0x8100
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#define ETHER_TYPE_BRCM 0x886c
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#define ETHER_TYPE_802_1X 0x888e
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#define ETHER_TYPE_802_1X_PREAUTH 0x88c7
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#define ETHER_BRCM_SUBTYPE_LEN 4
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#define ETHER_BRCM_CRAM 1
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#define ETHER_DEST_OFFSET (0 * ETHER_ADDR_LEN)
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#define ETHER_SRC_OFFSET (1 * ETHER_ADDR_LEN)
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#define ETHER_TYPE_OFFSET (2 * ETHER_ADDR_LEN)
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#define ETHER_IS_VALID_LEN(foo) \
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((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN)
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#define ETHER_FILL_MCAST_ADDR_FROM_IP(eaddr, mgrp_ip) \
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eaddr[5] = mgrp_ip & 0xff; mgrp_ip >>= 8; \
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eaddr[4] = mgrp_ip & 0xff; mgrp_ip >>= 8; \
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eaddr[3] = mgrp_ip & 0x7f
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#ifndef __INCif_etherh
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uint8 ether_dhost[ETHER_ADDR_LEN];
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uint8 ether_shost[ETHER_ADDR_LEN];
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uint8 octet[ETHER_ADDR_LEN];
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#define ETHER_SET_LOCALADDR(ea) (((uint8 *)(ea))[0] = (((uint8 *)(ea))[0] | 2))
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#define ETHER_IS_LOCALADDR(ea) (((uint8 *)(ea))[0] & 2)
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#define ETHER_CLR_LOCALADDR(ea) (((uint8 *)(ea))[0] = (((uint8 *)(ea))[0] & 0xd))
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#define ETHER_TOGGLE_LOCALADDR(ea) (((uint8 *)(ea))[0] = (((uint8 *)(ea))[0] ^ 2))
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#define ETHER_SET_UNICAST(ea) (((uint8 *)(ea))[0] = (((uint8 *)(ea))[0] & ~1))
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#define ETHER_ISMULTI(ea) (((const uint8 *)(ea))[0] & 1)
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#define ether_cmp(a, b) (!(((short*)a)[0] == ((short*)b)[0]) | \
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!(((short*)a)[1] == ((short*)b)[1]) | \
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!(((short*)a)[2] == ((short*)b)[2]))
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#define ether_copy(s, d) { \
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((short*)d)[0] = ((short*)s)[0]; \
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((short*)d)[1] = ((short*)s)[1]; \
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((short*)d)[2] = ((short*)s)[2]; }
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#define ETHER_ISBCAST(ea) ((((uint8 *)(ea))[0] & \
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((uint8 *)(ea))[1] & \
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((uint8 *)(ea))[2] & \
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((uint8 *)(ea))[3] & \
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((uint8 *)(ea))[4] & \
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((uint8 *)(ea))[5]) == 0xff)
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static const struct ether_addr ether_bcast = {{255, 255, 255, 255, 255, 255}};
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static const struct ether_addr ether_null = {{0, 0, 0, 0, 0, 0}};
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#define ETHER_ISNULLADDR(ea) ((((uint8 *)(ea))[0] | \
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((uint8 *)(ea))[1] | \
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((uint8 *)(ea))[2] | \
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((uint8 *)(ea))[3] | \
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((uint8 *)(ea))[4] | \
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((uint8 *)(ea))[5]) == 0)
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#if !defined(__GNUC__)
added
removed
src/src/include/proto/ethernet.h
