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Diffstat (limited to 'libc/include/net/if_ether.h')
| -rw-r--r-- | libc/include/net/if_ether.h | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/libc/include/net/if_ether.h b/libc/include/net/if_ether.h deleted file mode 100644 index 121f9ac..0000000 --- a/libc/include/net/if_ether.h +++ /dev/null @@ -1,217 +0,0 @@ -/* $NetBSD: if_ether.h,v 1.43 2006/11/24 01:04:30 rpaulo 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. 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 - */ - -#ifndef _NET_IF_ETHER_H_ -#define _NET_IF_ETHER_H_ - -#ifdef _KERNEL -#ifdef _KERNEL_OPT -#include "opt_mbuftrace.h" -#endif -#include <sys/mbuf.h> -#endif - -/* - * Some basic Ethernet constants. - */ -#define ETHER_ADDR_LEN 6 /* length of an Ethernet address */ -#define ETHER_TYPE_LEN 2 /* length of the Ethernet type field */ -#define ETHER_CRC_LEN 4 /* length of the Ethernet CRC */ -#define ETHER_HDR_LEN ((ETHER_ADDR_LEN * 2) + ETHER_TYPE_LEN) -#define ETHER_MIN_LEN 64 /* minimum frame length, including CRC */ -#define ETHER_MAX_LEN 1518 /* maximum frame length, including CRC */ -#define ETHER_MAX_LEN_JUMBO 9018 /* maximum jumbo frame len, including CRC */ - -/* - * Some Ethernet extensions. - */ -#define ETHER_VLAN_ENCAP_LEN 4 /* length of 802.1Q VLAN encapsulation */ - -/* - * Ethernet address - 6 octets - * this is only used by the ethers(3) functions. - */ -struct ether_addr { - u_int8_t ether_addr_octet[ETHER_ADDR_LEN]; -} __attribute__((__packed__)); - -/* - * Structure of a 10Mb/s Ethernet header. - */ -struct ether_header { - u_int8_t ether_dhost[ETHER_ADDR_LEN]; - u_int8_t ether_shost[ETHER_ADDR_LEN]; - u_int16_t ether_type; -} __attribute__((__packed__)); - -#include <net/ethertypes.h> - -#define ETHER_IS_MULTICAST(addr) (*(addr) & 0x01) /* is address mcast/bcast? */ - -#define ETHERMTU_JUMBO (ETHER_MAX_LEN_JUMBO - ETHER_HDR_LEN - ETHER_CRC_LEN) -#define ETHERMTU (ETHER_MAX_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN) -#define ETHERMIN (ETHER_MIN_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN) - -/* - * Compute the maximum frame size based on ethertype (i.e. possible - * encapsulation) and whether or not an FCS is present. - */ -#define ETHER_MAX_FRAME(ifp, etype, hasfcs) \ - ((ifp)->if_mtu + ETHER_HDR_LEN + \ - ((hasfcs) ? ETHER_CRC_LEN : 0) + \ - (((etype) == ETHERTYPE_VLAN) ? ETHER_VLAN_ENCAP_LEN : 0)) - -/* - * Ethernet CRC32 polynomials (big- and little-endian verions). - */ -#define ETHER_CRC_POLY_LE 0xedb88320 -#define ETHER_CRC_POLY_BE 0x04c11db6 - -#ifndef _STANDALONE - -/* - * Ethernet-specific mbuf flags. - */ -#define M_HASFCS M_LINK0 /* FCS included at end of frame */ -#define M_PROMISC M_LINK1 /* this packet is not for us */ - -#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]; \ -} -/* - * Macro to map an IP6 multicast address to an Ethernet multicast address. - * The high-order 16 bits of the Ethernet address are statically assigned, - * and the low-order 32 bits are taken from the low end of the IP6 address. - */ -#define ETHER_MAP_IPV6_MULTICAST(ip6addr, enaddr) \ - /* struct in6_addr *ip6addr; */ \ - /* u_int8_t enaddr[ETHER_ADDR_LEN]; */ \ -{ \ - (enaddr)[0] = 0x33; \ - (enaddr)[1] = 0x33; \ - (enaddr)[2] = ((u_int8_t *)ip6addr)[12]; \ - (enaddr)[3] = ((u_int8_t *)ip6addr)[13]; \ - (enaddr)[4] = ((u_int8_t *)ip6addr)[14]; \ - (enaddr)[5] = ((u_int8_t *)ip6addr)[15]; \ -} -#endif - -#define ETHERCAP_VLAN_MTU 0x00000001 /* VLAN-compatible MTU */ -#define ETHERCAP_VLAN_HWTAGGING 0x00000002 /* hardware VLAN tag support */ -#define ETHERCAP_JUMBO_MTU 0x00000004 /* 9000 byte MTU supported */ - -#ifdef _KERNEL -extern const uint8_t etherbroadcastaddr[ETHER_ADDR_LEN]; -extern const uint8_t ethermulticastaddr_slowprotocols[ETHER_ADDR_LEN]; -extern const uint8_t ether_ipmulticast_min[ETHER_ADDR_LEN]; -extern const uint8_t ether_ipmulticast_max[ETHER_ADDR_LEN]; - -int ether_ioctl(struct ifnet *, u_long, caddr_t); -int ether_addmulti (struct ifreq *, struct ethercom *); -int ether_delmulti (struct ifreq *, struct ethercom *); -int ether_changeaddr (struct ifreq *, struct ethercom *); -int ether_multiaddr(struct sockaddr *, u_int8_t[], u_int8_t[]); - -/* - * Ethernet 802.1Q VLAN structures. - */ - -/* add VLAN tag to input/received packet */ -#define VLAN_INPUT_TAG(ifp, m, vlanid, _errcase) \ - do { \ - struct m_tag *mtag = \ - m_tag_get(PACKET_TAG_VLAN, sizeof(u_int), M_NOWAIT);\ - if (mtag == NULL) { \ - ifp->if_ierrors++; \ - printf("%s: unable to allocate VLAN tag\n", \ - ifp->if_xname); \ - m_freem(m); \ - _errcase; \ - } \ - *(u_int *)(mtag + 1) = vlanid; \ - m_tag_prepend(m, mtag); \ - } while(0) - -/* extract VLAN tag from output/trasmit packet */ -#define VLAN_OUTPUT_TAG(ec, m0) \ - VLAN_ATTACHED(ec) ? m_tag_find((m0), PACKET_TAG_VLAN, NULL) : NULL - -/* extract VLAN ID value from a VLAN tag */ -#define VLAN_TAG_VALUE(mtag) \ - ((*(u_int *)(mtag + 1)) & 4095) - -/* test if any VLAN is configured for this interface */ -#define VLAN_ATTACHED(ec) ((ec)->ec_nvlans > 0) - -void ether_ifattach(struct ifnet *, const u_int8_t *); -void ether_ifdetach(struct ifnet *); - -char *ether_sprintf(const u_int8_t *); -char *ether_snprintf(char *, size_t, const u_int8_t *); - -u_int32_t ether_crc32_le(const u_int8_t *, size_t); -u_int32_t ether_crc32_be(const u_int8_t *, size_t); - -int ether_nonstatic_aton(u_char *, char *); -#else -/* - * Prototype ethers(3) functions. - */ -#include <sys/cdefs.h> -__BEGIN_DECLS -char * ether_ntoa __P((const struct ether_addr *)); -struct ether_addr * - ether_aton __P((const char *)); -int ether_ntohost __P((char *, const struct ether_addr *)); -int ether_hostton __P((const char *, struct ether_addr *)); -int ether_line __P((const char *, struct ether_addr *, char *)); -__END_DECLS -#endif - -#endif /* _STANDALONE */ - -#endif /* !_NET_IF_ETHER_H_ */ |