diff options
Diffstat (limited to 'usr.sbin/dhcp/includes/netinet/if_ether.h')
| -rw-r--r-- | usr.sbin/dhcp/includes/netinet/if_ether.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/usr.sbin/dhcp/includes/netinet/if_ether.h b/usr.sbin/dhcp/includes/netinet/if_ether.h new file mode 100644 index 00000000000..2af9198e542 --- /dev/null +++ b/usr.sbin/dhcp/includes/netinet/if_ether.h @@ -0,0 +1,74 @@ +/* $NetBSD: if_ether.h,v 1.1.1.1 1997/03/29 21:52:18 mellon Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)if_ether.h 8.1 (Berkeley) 6/10/93 + */ + +/* + * Ethernet address - 6 octets + * this is only used by the ethers(3) functions. + */ +struct ether_addr { + u_int8_t ether_addr_octet[6]; +}; + +/* + * Structure of a 10Mb/s Ethernet header. + */ +#define ETHER_ADDR_LEN 6 + +struct ether_header { + u_int8_t ether_dhost[ETHER_ADDR_LEN]; + u_int8_t ether_shost[ETHER_ADDR_LEN]; + u_int16_t ether_type; +}; + +#define ETHERTYPE_PUP 0x0200 /* PUP protocol */ +#define ETHERTYPE_IP 0x0800 /* IP protocol */ +#define ETHERTYPE_ARP 0x0806 /* address resolution protocol */ +#define ETHERTYPE_REVARP 0x8035 /* reverse addr resolution protocol */ + +/* + * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have + * (type-ETHERTYPE_TRAIL)*512 bytes of data followed + * by an ETHER type (as given above) and then the (variable-length) header. + */ +#define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */ +#define ETHERTYPE_NTRAILER 16 + +#define ETHER_IS_MULTICAST(addr) (*(addr) & 0x01) /* is address mcast/bcast? */ + +#define ETHERMTU 1500 +#define ETHERMIN (60-14) + |