+++ /dev/null
-/*
- * Copyright (c) 2000, 2009 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) 1982, 1989, 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_ethersubr.c 8.1 (Berkeley) 6/10/93
- * $FreeBSD: src/sys/net/if_ethersubr.c,v 1.70.2.17 2001/08/01 00:47:49 fenner Exp $
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/malloc.h>
-#include <sys/mbuf.h>
-#include <sys/socket.h>
-#include <sys/sockio.h>
-#include <sys/sysctl.h>
-
-#include <net/if.h>
-#include <net/route.h>
-#include <net/if_llc.h>
-#include <net/if_dl.h>
-#include <net/if_types.h>
-
-#if INET || INET6
-#include <netinet/in.h>
-#include <netinet/in_var.h>
-#include <netinet/if_ether.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-#endif
-
-#if IPX
-#include <netipx/ipx.h>
-#include <netipx/ipx_if.h>
-#endif
-
-#include <sys/socketvar.h>
-
-#if LLC && CCITT
-extern struct ifqueue pkintrq;
-#endif
-
-/* #include "vlan.h" */
-#if NVLAN > 0
-#include <net/if_vlan_var.h>
-#endif /* NVLAN > 0 */
-
-extern u_char etherbroadcastaddr[];
-#define senderr(e) do { error = (e); goto bad;} while (0)
-
-/*
- * Perform common duties while attaching to interface list
- */
-
-int
-ether_resolvemulti(
- struct ifnet *ifp,
- struct sockaddr **llsa,
- struct sockaddr *sa)
-{
- struct sockaddr_dl *sdl;
- struct sockaddr_in *sin;
- u_char *e_addr;
-#if INET6
- struct sockaddr_in6 *sin6;
-#endif
-
-
- switch(sa->sa_family) {
- case AF_UNSPEC:
- /* AppleTalk uses AF_UNSPEC for multicast registration.
- * No mapping needed. Just check that it's a valid MC address.
- */
- e_addr = &sa->sa_data[0];
- if ((e_addr[0] & 1) != 1)
- return EADDRNOTAVAIL;
- *llsa = 0;
- return 0;
-
- case AF_LINK:
- /*
- * No mapping needed. Just check that it's a valid MC address.
- */
- sdl = (struct sockaddr_dl *)sa;
- e_addr = LLADDR(sdl);
- if ((e_addr[0] & 1) != 1)
- return EADDRNOTAVAIL;
- *llsa = 0;
- return 0;
-
-#if INET
- case AF_INET:
- sin = (struct sockaddr_in *)sa;
- if (!IN_MULTICAST(ntohl(sin->sin_addr.s_addr)))
- return EADDRNOTAVAIL;
- MALLOC(sdl, struct sockaddr_dl *, sizeof *sdl, M_IFMADDR,
- M_WAITOK);
- if (sdl == NULL)
- return ENOBUFS;
- sdl->sdl_len = sizeof *sdl;
- sdl->sdl_family = AF_LINK;
- sdl->sdl_index = ifp->if_index;
- sdl->sdl_type = IFT_ETHER;
- sdl->sdl_nlen = 0;
- sdl->sdl_alen = ETHER_ADDR_LEN;
- sdl->sdl_slen = 0;
- e_addr = LLADDR(sdl);
- ETHER_MAP_IP_MULTICAST(&sin->sin_addr, e_addr);
- *llsa = (struct sockaddr *)sdl;
- return 0;
-#endif
-#if INET6
- case AF_INET6:
- sin6 = (struct sockaddr_in6 *)sa;
- if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
- /*
- * An IP6 address of 0 means listen to all
- * of the Ethernet multicast address used for IP6.
- * (This is used for multicast routers.)
- */
- ifp->if_flags |= IFF_ALLMULTI;
- *llsa = 0;
- return 0;
- }
- MALLOC(sdl, struct sockaddr_dl *, sizeof *sdl, M_IFMADDR,
- M_WAITOK);
- if (sdl == NULL)
- return ENOBUFS;
- sdl->sdl_len = sizeof *sdl;
- sdl->sdl_family = AF_LINK;
- sdl->sdl_index = ifp->if_index;
- sdl->sdl_type = IFT_ETHER;
- sdl->sdl_nlen = 0;
- sdl->sdl_alen = ETHER_ADDR_LEN;
- sdl->sdl_slen = 0;
- e_addr = LLADDR(sdl);
- ETHER_MAP_IPV6_MULTICAST(&sin6->sin6_addr, e_addr);
-#if 0
- printf("ether_resolvemulti Adding %x:%x:%x:%x:%x:%x\n",
- e_addr[0], e_addr[1], e_addr[2], e_addr[3], e_addr[4], e_addr[5]);
-#endif
- *llsa = (struct sockaddr *)sdl;
- return 0;
-#endif
-
- default:
- /*
- * Well, the text isn't quite right, but it's the name
- * that counts...
- */
- return EAFNOSUPPORT;
- }
-}
-
-
-/*
- * Convert Ethernet address to printable (loggable) representation.
- */
-static u_char digits[] = "0123456789abcdef";
-char *
-ether_sprintf(p, ap)
- register u_char *p;
- register u_char *ap;
-{ register char *cp;
- register i;
-
- for (cp = p, i = 0; i < 6; i++) {
- *cp++ = digits[*ap >> 4];
- *cp++ = digits[*ap++ & 0xf];
- *cp++ = ':';
- }
- *--cp = 0;
- return (p);
-}