diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/libstand/if_ether.h | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/lib/libstand/if_ether.h b/lib/libstand/if_ether.h deleted file mode 100644 index 373f95a..0000000 --- a/lib/libstand/if_ether.h +++ /dev/null @@ -1,261 +0,0 @@ -/* $NetBSD: if_ether.h,v 1.25 1997/01/17 17:06:06 mikel 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. - * 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 - * - * $FreeBSD$ - */ - -/* - * 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) - -#ifdef _KERNEL -/* - * Macro to map an IP multicast address to an Ethernet multicast address. - * The high-order 25 bits of the Ethernet address are statically assigned, - * and the low-order 23 bits are taken from the low end of the IP address. - */ -#define ETHER_MAP_IP_MULTICAST(ipaddr, enaddr) \ - /* struct in_addr *ipaddr; */ \ - /* u_int8_t enaddr[ETHER_ADDR_LEN]; */ \ -{ \ - (enaddr)[0] = 0x01; \ - (enaddr)[1] = 0x00; \ - (enaddr)[2] = 0x5e; \ - (enaddr)[3] = ((u_int8_t *)ipaddr)[1] & 0x7f; \ - (enaddr)[4] = ((u_int8_t *)ipaddr)[2]; \ - (enaddr)[5] = ((u_int8_t *)ipaddr)[3]; \ -} -#endif - -/* - * Ethernet Address Resolution Protocol. - * - * See RFC 826 for protocol description. Structure below is adapted - * to resolving internet addresses. Field names used correspond to - * RFC 826. - */ -struct ether_arp { - struct arphdr ea_hdr; /* fixed-size header */ - u_int8_t arp_sha[ETHER_ADDR_LEN]; /* sender hardware address */ - u_int8_t arp_spa[4]; /* sender protocol address */ - u_int8_t arp_tha[ETHER_ADDR_LEN]; /* target hardware address */ - u_int8_t arp_tpa[4]; /* target protocol address */ -}; -#define arp_hrd ea_hdr.ar_hrd -#define arp_pro ea_hdr.ar_pro -#define arp_hln ea_hdr.ar_hln -#define arp_pln ea_hdr.ar_pln -#define arp_op ea_hdr.ar_op - -/* - * Structure shared between the ethernet driver modules and - * the address resolution code. For example, each ec_softc or il_softc - * begins with this structure. - */ -struct arpcom { - struct ifnet ac_if; /* network-visible interface */ - u_int8_t ac_enaddr[ETHER_ADDR_LEN]; /* ethernet hardware address */ - char ac__pad[2]; /* be nice to m68k ports */ - LIST_HEAD(, ether_multi) ac_multiaddrs; /* list of ether multicast addrs */ - int ac_multicnt; /* length of ac_multiaddrs list */ -}; - -struct llinfo_arp { - LIST_ENTRY(llinfo_arp) la_list; - struct rtentry *la_rt; - struct mbuf *la_hold; /* last packet until resolved/timeout */ - long la_asked; /* last time we QUERIED for this addr */ -#define la_timer la_rt->rt_rmx.rmx_expire /* deletion time in seconds */ -}; - -struct sockaddr_inarp { - u_int8_t sin_len; - u_int8_t sin_family; - u_int16_t sin_port; - struct in_addr sin_addr; - struct in_addr sin_srcaddr; - u_int16_t sin_tos; - u_int16_t sin_other; -#define SIN_PROXY 1 -}; - -/* - * IP and ethernet specific routing flags - */ -#define RTF_USETRAILERS RTF_PROTO1 /* use trailers */ -#define RTF_ANNOUNCE RTF_PROTO2 /* announce new arp entry */ - -#ifdef _KERNEL -u_int8_t etherbroadcastaddr[ETHER_ADDR_LEN]; -u_int8_t ether_ipmulticast_min[ETHER_ADDR_LEN]; -u_int8_t ether_ipmulticast_max[ETHER_ADDR_LEN]; -struct ifqueue arpintrq; - -void arpwhohas(struct arpcom *, struct in_addr *); -void arpintr(void); -int arpresolve(struct arpcom *, - struct rtentry *, struct mbuf *, struct sockaddr *, u_char *, struct llentry **); -void arp_ifinit(struct arpcom *, struct ifaddr *); -void arp_rtrequest(int, struct rtentry *, struct sockaddr *); - -int ether_addmulti(struct ifreq *, struct arpcom *); -int ether_delmulti(struct ifreq *, struct arpcom *); -#endif /* _KERNEL */ - -/* - * Ethernet multicast address structure. There is one of these for each - * multicast address or range of multicast addresses that we are supposed - * to listen to on a particular interface. They are kept in a linked list, - * rooted in the interface's arpcom structure. (This really has nothing to - * do with ARP, or with the Internet address family, but this appears to be - * the minimally-disrupting place to put it.) - */ -struct ether_multi { - u_int8_t enm_addrlo[ETHER_ADDR_LEN]; /* low or only address of range */ - u_int8_t enm_addrhi[ETHER_ADDR_LEN]; /* high or only address of range */ - struct arpcom *enm_ac; /* back pointer to arpcom */ - u_int enm_refcount; /* no. claims to this addr/range */ - LIST_ENTRY(ether_multi) enm_list; -}; - -/* - * Structure used by macros below to remember position when stepping through - * all of the ether_multi records. - */ -struct ether_multistep { - struct ether_multi *e_enm; -}; - -/* - * Macro for looking up the ether_multi record for a given range of Ethernet - * multicast addresses connected to a given arpcom structure. If no matching - * record is found, "enm" returns NULL. - */ -#define ETHER_LOOKUP_MULTI(addrlo, addrhi, ac, enm) \ - /* u_int8_t addrlo[ETHER_ADDR_LEN]; */ \ - /* u_int8_t addrhi[ETHER_ADDR_LEN]; */ \ - /* struct arpcom *ac; */ \ - /* struct ether_multi *enm; */ \ -{ \ - for ((enm) = (ac)->ac_multiaddrs.lh_first; \ - (enm) != NULL && \ - (bcmp((enm)->enm_addrlo, (addrlo), ETHER_ADDR_LEN) != 0 || \ - bcmp((enm)->enm_addrhi, (addrhi), ETHER_ADDR_LEN) != 0); \ - (enm) = (enm)->enm_list.le_next); \ -} - -/* - * Macro to step through all of the ether_multi records, one at a time. - * The current position is remembered in "step", which the caller must - * provide. ETHER_FIRST_MULTI(), below, must be called to initialize "step" - * and get the first record. Both macros return a NULL "enm" when there - * are no remaining records. - */ -#define ETHER_NEXT_MULTI(step, enm) \ - /* struct ether_multistep step; */ \ - /* struct ether_multi *enm; */ \ -{ \ - if (((enm) = (step).e_enm) != NULL) \ - (step).e_enm = (enm)->enm_list.le_next; \ -} - -#define ETHER_FIRST_MULTI(step, ac, enm) \ - /* struct ether_multistep step; */ \ - /* struct arpcom *ac; */ \ - /* struct ether_multi *enm; */ \ -{ \ - (step).e_enm = (ac)->ac_multiaddrs.lh_first; \ - ETHER_NEXT_MULTI((step), (enm)); \ -} - -#ifdef _KERNEL -void arp_rtrequest(int, struct rtentry *, struct sockaddr *); -int arpresolve(struct arpcom *, struct rtentry *, struct mbuf *, - struct sockaddr *, u_char *, struct llentry **); -void arpintr(void); -int arpioctl(u_long, caddr_t); -void arp_ifinit(struct arpcom *, struct ifaddr *); -void revarpinput(struct mbuf *); -void in_revarpinput(struct mbuf *); -void revarprequest(struct ifnet *); -int revarpwhoarewe(struct ifnet *, struct in_addr *, struct in_addr *); -int revarpwhoami(struct in_addr *, struct ifnet *); -int db_show_arptab(void); -#endif - -/* - * Prototype ethers(3) functions. - */ -#ifndef _KERNEL -#include <sys/cdefs.h> -__BEGIN_DECLS -char * ether_ntoa(struct ether_addr *); -struct ether_addr * - ether_aton(char *); -int ether_ntohost(char *, struct ether_addr *); -int ether_hostton(char *, struct ether_addr *); -int ether_line(char *, struct ether_addr *, char *); -__END_DECLS -#endif |