diff options
Diffstat (limited to 'freebsd/sys/net/if_arcsubr.c')
| -rw-r--r-- | freebsd/sys/net/if_arcsubr.c | 833 |
1 files changed, 0 insertions, 833 deletions
diff --git a/freebsd/sys/net/if_arcsubr.c b/freebsd/sys/net/if_arcsubr.c deleted file mode 100644 index 9f0a03d5..00000000 --- a/freebsd/sys/net/if_arcsubr.c +++ /dev/null @@ -1,833 +0,0 @@ -#include <machine/rtems-bsd-kernel-space.h> - -/* $NetBSD: if_arcsubr.c,v 1.36 2001/06/14 05:44:23 itojun Exp $ */ -/* $FreeBSD$ */ - -/*- - * SPDX-License-Identifier: BSD-4-Clause - * - * Copyright (c) 1994, 1995 Ignatios Souvatzis - * 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. - * - * from: NetBSD: if_ethersubr.c,v 1.9 1994/06/29 06:36:11 cgd Exp - * @(#)if_ethersubr.c 8.1 (Berkeley) 6/10/93 - * - */ -#include <rtems/bsd/local/opt_inet.h> -#include <rtems/bsd/local/opt_inet6.h> - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/kernel.h> -#include <sys/module.h> -#include <sys/malloc.h> -#include <sys/mbuf.h> -#include <sys/protosw.h> -#include <sys/socket.h> -#include <sys/sockio.h> -#include <sys/errno.h> -#include <sys/syslog.h> - -#include <machine/cpu.h> - -#include <net/if.h> -#include <net/if_var.h> -#include <net/netisr.h> -#include <net/route.h> -#include <net/if_dl.h> -#include <net/if_types.h> -#include <net/if_arc.h> -#include <net/if_arp.h> -#include <net/bpf.h> -#include <net/if_llatbl.h> - -#if defined(INET) || defined(INET6) -#include <netinet/in.h> -#include <netinet/in_var.h> -#include <netinet/if_ether.h> -#endif - -#ifdef INET6 -#include <netinet6/nd6.h> -#endif - -#define ARCNET_ALLOW_BROKEN_ARP - -static struct mbuf *arc_defrag(struct ifnet *, struct mbuf *); -static int arc_resolvemulti(struct ifnet *, struct sockaddr **, - struct sockaddr *); - -u_int8_t arcbroadcastaddr = 0; - -#define ARC_LLADDR(ifp) (*(u_int8_t *)IF_LLADDR(ifp)) - -#define senderr(e) { error = (e); goto bad;} -#define SIN(s) ((const struct sockaddr_in *)(s)) - -/* - * ARCnet output routine. - * Encapsulate a packet of type family for the local net. - * Assumes that ifp is actually pointer to arccom structure. - */ -int -arc_output(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *dst, - struct route *ro) -{ - struct arc_header *ah; - int error; - u_int8_t atype, adst; - int loop_copy = 0; - int isphds; -#if defined(INET) || defined(INET6) - int is_gw = 0; -#endif - - if (!((ifp->if_flags & IFF_UP) && - (ifp->if_drv_flags & IFF_DRV_RUNNING))) - return(ENETDOWN); /* m, m1 aren't initialized yet */ - - error = 0; -#if defined(INET) || defined(INET6) - if (ro != NULL) - is_gw = (ro->ro_flags & RT_HAS_GW) != 0; -#endif - - switch (dst->sa_family) { -#ifdef INET - case AF_INET: - - /* - * For now, use the simple IP addr -> ARCnet addr mapping - */ - if (m->m_flags & (M_BCAST|M_MCAST)) - adst = arcbroadcastaddr; /* ARCnet broadcast address */ - else if (ifp->if_flags & IFF_NOARP) - adst = ntohl(SIN(dst)->sin_addr.s_addr) & 0xFF; - else { - error = arpresolve(ifp, is_gw, m, dst, &adst, NULL, - NULL); - if (error) - return (error == EWOULDBLOCK ? 0 : error); - } - - atype = (ifp->if_flags & IFF_LINK0) ? - ARCTYPE_IP_OLD : ARCTYPE_IP; - break; - case AF_ARP: - { - struct arphdr *ah; - ah = mtod(m, struct arphdr *); - ah->ar_hrd = htons(ARPHRD_ARCNET); - - loop_copy = -1; /* if this is for us, don't do it */ - - switch(ntohs(ah->ar_op)) { - case ARPOP_REVREQUEST: - case ARPOP_REVREPLY: - atype = ARCTYPE_REVARP; - break; - case ARPOP_REQUEST: - case ARPOP_REPLY: - default: - atype = ARCTYPE_ARP; - break; - } - - if (m->m_flags & M_BCAST) - bcopy(ifp->if_broadcastaddr, &adst, ARC_ADDR_LEN); - else - bcopy(ar_tha(ah), &adst, ARC_ADDR_LEN); - - } - break; -#endif -#ifdef INET6 - case AF_INET6: - if ((m->m_flags & M_MCAST) != 0) - adst = arcbroadcastaddr; /* ARCnet broadcast address */ - else { - error = nd6_resolve(ifp, is_gw, m, dst, &adst, NULL, - NULL); - if (error != 0) - return (error == EWOULDBLOCK ? 0 : error); - } - atype = ARCTYPE_INET6; - break; -#endif - case AF_UNSPEC: - { - const struct arc_header *ah; - - loop_copy = -1; - ah = (const struct arc_header *)dst->sa_data; - adst = ah->arc_dhost; - atype = ah->arc_type; - - if (atype == ARCTYPE_ARP) { - atype = (ifp->if_flags & IFF_LINK0) ? - ARCTYPE_ARP_OLD: ARCTYPE_ARP; - -#ifdef ARCNET_ALLOW_BROKEN_ARP - /* - * XXX It's not clear per RFC826 if this is needed, but - * "assigned numbers" say this is wrong. - * However, e.g., AmiTCP 3.0Beta used it... we make this - * switchable for emergency cases. Not perfect, but... - */ - if (ifp->if_flags & IFF_LINK2) - mtod(m, struct arphdr *)->ar_pro = atype - 1; -#endif - } - break; - } - default: - if_printf(ifp, "can't handle af%d\n", dst->sa_family); - senderr(EAFNOSUPPORT); - } - - isphds = arc_isphds(atype); - M_PREPEND(m, isphds ? ARC_HDRNEWLEN : ARC_HDRLEN, M_NOWAIT); - if (m == NULL) - senderr(ENOBUFS); - ah = mtod(m, struct arc_header *); - ah->arc_type = atype; - ah->arc_dhost = adst; - ah->arc_shost = ARC_LLADDR(ifp); - if (isphds) { - ah->arc_flag = 0; - ah->arc_seqid = 0; - } - - if ((ifp->if_flags & IFF_SIMPLEX) && (loop_copy != -1)) { - if ((m->m_flags & M_BCAST) || (loop_copy > 0)) { - struct mbuf *n = m_copym(m, 0, M_COPYALL, M_NOWAIT); - - (void) if_simloop(ifp, n, dst->sa_family, ARC_HDRLEN); - } else if (ah->arc_dhost == ah->arc_shost) { - (void) if_simloop(ifp, m, dst->sa_family, ARC_HDRLEN); - return (0); /* XXX */ - } - } - - BPF_MTAP(ifp, m); - - error = ifp->if_transmit(ifp, m); - - return (error); - -bad: - if (m) - m_freem(m); - return (error); -} - -void -arc_frag_init(struct ifnet *ifp) -{ - struct arccom *ac; - - ac = (struct arccom *)ifp->if_l2com; - ac->curr_frag = 0; -} - -struct mbuf * -arc_frag_next(struct ifnet *ifp) -{ - struct arccom *ac; - struct mbuf *m; - struct arc_header *ah; - - ac = (struct arccom *)ifp->if_l2com; - if ((m = ac->curr_frag) == NULL) { - int tfrags; - - /* dequeue new packet */ - IF_DEQUEUE(&ifp->if_snd, m); - if (m == NULL) - return 0; - - ah = mtod(m, struct arc_header *); - if (!arc_isphds(ah->arc_type)) - return m; - - ++ac->ac_seqid; /* make the seqid unique */ - tfrags = howmany(m->m_pkthdr.len, ARC_MAX_DATA); - ac->fsflag = 2 * tfrags - 3; - ac->sflag = 0; - ac->rsflag = ac->fsflag; - ac->arc_dhost = ah->arc_dhost; - ac->arc_shost = ah->arc_shost; - ac->arc_type = ah->arc_type; - - m_adj(m, ARC_HDRNEWLEN); - ac->curr_frag = m; - } - - /* split out next fragment and return it */ - if (ac->sflag < ac->fsflag) { - /* we CAN'T have short packets here */ - ac->curr_frag = m_split(m, ARC_MAX_DATA, M_NOWAIT); - if (ac->curr_frag == 0) { - m_freem(m); - return 0; - } - - M_PREPEND(m, ARC_HDRNEWLEN, M_NOWAIT); - if (m == NULL) { - m_freem(ac->curr_frag); - ac->curr_frag = 0; - return 0; - } - - ah = mtod(m, struct arc_header *); - ah->arc_flag = ac->rsflag; - ah->arc_seqid = ac->ac_seqid; - - ac->sflag += 2; - ac->rsflag = ac->sflag; - } else if ((m->m_pkthdr.len >= - ARC_MIN_FORBID_LEN - ARC_HDRNEWLEN + 2) && - (m->m_pkthdr.len <= - ARC_MAX_FORBID_LEN - ARC_HDRNEWLEN + 2)) { - ac->curr_frag = 0; - - M_PREPEND(m, ARC_HDRNEWLEN_EXC, M_NOWAIT); - if (m == NULL) - return 0; - - ah = mtod(m, struct arc_header *); - ah->arc_flag = 0xFF; - ah->arc_seqid = 0xFFFF; - ah->arc_type2 = ac->arc_type; - ah->arc_flag2 = ac->sflag; - ah->arc_seqid2 = ac->ac_seqid; - } else { - ac->curr_frag = 0; - - M_PREPEND(m, ARC_HDRNEWLEN, M_NOWAIT); - if (m == NULL) - return 0; - - ah = mtod(m, struct arc_header *); - ah->arc_flag = ac->sflag; - ah->arc_seqid = ac->ac_seqid; - } - - ah->arc_dhost = ac->arc_dhost; - ah->arc_shost = ac->arc_shost; - ah->arc_type = ac->arc_type; - - return m; -} - -/* - * Defragmenter. Returns mbuf if last packet found, else - * NULL. frees incoming mbuf as necessary. - */ - -static __inline struct mbuf * -arc_defrag(struct ifnet *ifp, struct mbuf *m) -{ - struct arc_header *ah, *ah1; - struct arccom *ac; - struct ac_frag *af; - struct mbuf *m1; - char *s; - int newflen; - u_char src,dst,typ; - - ac = (struct arccom *)ifp->if_l2com; - - if (m->m_len < ARC_HDRNEWLEN) { - m = m_pullup(m, ARC_HDRNEWLEN); - if (m == NULL) { - if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); - return NULL; - } - } - - ah = mtod(m, struct arc_header *); - typ = ah->arc_type; - - if (!arc_isphds(typ)) - return m; - - src = ah->arc_shost; - dst = ah->arc_dhost; - - if (ah->arc_flag == 0xff) { - m_adj(m, 4); - - if (m->m_len < ARC_HDRNEWLEN) { - m = m_pullup(m, ARC_HDRNEWLEN); - if (m == NULL) { - if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); - return NULL; - } - } - - ah = mtod(m, struct arc_header *); - } - - af = &ac->ac_fragtab[src]; - m1 = af->af_packet; - s = "debug code error"; - - if (ah->arc_flag & 1) { - /* - * first fragment. We always initialize, which is - * about the right thing to do, as we only want to - * accept one fragmented packet per src at a time. - */ - if (m1 != NULL) - m_freem(m1); - - af->af_packet = m; - m1 = m; - af->af_maxflag = ah->arc_flag; - af->af_lastseen = 0; - af->af_seqid = ah->arc_seqid; - - return NULL; - /* notreached */ - } else { - /* check for unfragmented packet */ - if (ah->arc_flag == 0) - return m; - - /* do we have a first packet from that src? */ - if (m1 == NULL) { - s = "no first frag"; - goto outofseq; - } - - ah1 = mtod(m1, struct arc_header *); - - if (ah->arc_seqid != ah1->arc_seqid) { - s = "seqid differs"; - goto outofseq; - } - - if (typ != ah1->arc_type) { - s = "type differs"; - goto outofseq; - } - - if (dst != ah1->arc_dhost) { - s = "dest host differs"; - goto outofseq; - } - - /* typ, seqid and dst are ok here. */ - - if (ah->arc_flag == af->af_lastseen) { - m_freem(m); - return NULL; - } - - if (ah->arc_flag == af->af_lastseen + 2) { - /* ok, this is next fragment */ - af->af_lastseen = ah->arc_flag; - m_adj(m,ARC_HDRNEWLEN); - - /* - * m_cat might free the first mbuf (with pkthdr) - * in 2nd chain; therefore: - */ - - newflen = m->m_pkthdr.len; - - m_cat(m1,m); - - m1->m_pkthdr.len += newflen; - - /* is it the last one? */ - if (af->af_lastseen > af->af_maxflag) { - af->af_packet = NULL; - return(m1); - } else - return NULL; - } - s = "other reason"; - /* if all else fails, it is out of sequence, too */ - } -outofseq: - if (m1) { - m_freem(m1); - af->af_packet = NULL; - } - - if (m) - m_freem(m); - - log(LOG_INFO,"%s: got out of seq. packet: %s\n", - ifp->if_xname, s); - - return NULL; -} - -/* - * return 1 if Packet Header Definition Standard, else 0. - * For now: old IP, old ARP aren't obviously. Lacking correct information, - * we guess that besides new IP and new ARP also IPX and APPLETALK are PHDS. - * (Apple and Novell corporations were involved, among others, in PHDS work). - * Easiest is to assume that everybody else uses that, too. - */ -int -arc_isphds(u_int8_t type) -{ - return (type != ARCTYPE_IP_OLD && - type != ARCTYPE_ARP_OLD && - type != ARCTYPE_DIAGNOSE); -} - -/* - * Process a received Arcnet packet; - * the packet is in the mbuf chain m with - * the ARCnet header. - */ -void -arc_input(struct ifnet *ifp, struct mbuf *m) -{ - struct arc_header *ah; - int isr; - u_int8_t atype; - - if ((ifp->if_flags & IFF_UP) == 0) { - m_freem(m); - return; - } - - /* possibly defragment: */ - m = arc_defrag(ifp, m); - if (m == NULL) - return; - - BPF_MTAP(ifp, m); - - ah = mtod(m, struct arc_header *); - /* does this belong to us? */ - if ((ifp->if_flags & IFF_PROMISC) == 0 - && ah->arc_dhost != arcbroadcastaddr - && ah->arc_dhost != ARC_LLADDR(ifp)) { - m_freem(m); - return; - } - - if_inc_counter(ifp, IFCOUNTER_IBYTES, m->m_pkthdr.len); - - if (ah->arc_dhost == arcbroadcastaddr) { - m->m_flags |= M_BCAST|M_MCAST; - if_inc_counter(ifp, IFCOUNTER_IMCASTS, 1); - } - - atype = ah->arc_type; - switch (atype) { -#ifdef INET - case ARCTYPE_IP: - m_adj(m, ARC_HDRNEWLEN); - isr = NETISR_IP; - break; - - case ARCTYPE_IP_OLD: - m_adj(m, ARC_HDRLEN); - isr = NETISR_IP; - break; - - case ARCTYPE_ARP: - if (ifp->if_flags & IFF_NOARP) { - /* Discard packet if ARP is disabled on interface */ - m_freem(m); - return; - } - m_adj(m, ARC_HDRNEWLEN); - isr = NETISR_ARP; -#ifdef ARCNET_ALLOW_BROKEN_ARP - mtod(m, struct arphdr *)->ar_pro = htons(ETHERTYPE_IP); -#endif - break; - - case ARCTYPE_ARP_OLD: - if (ifp->if_flags & IFF_NOARP) { - /* Discard packet if ARP is disabled on interface */ - m_freem(m); - return; - } - m_adj(m, ARC_HDRLEN); - isr = NETISR_ARP; -#ifdef ARCNET_ALLOW_BROKEN_ARP - mtod(m, struct arphdr *)->ar_pro = htons(ETHERTYPE_IP); -#endif - break; -#endif -#ifdef INET6 - case ARCTYPE_INET6: - m_adj(m, ARC_HDRNEWLEN); - isr = NETISR_IPV6; - break; -#endif - default: - m_freem(m); - return; - } - M_SETFIB(m, ifp->if_fib); - netisr_dispatch(isr, m); -} - -/* - * Register (new) link level address. - */ -void -arc_storelladdr(struct ifnet *ifp, u_int8_t lla) -{ - ARC_LLADDR(ifp) = lla; -} - -/* - * Perform common duties while attaching to interface list - */ -void -arc_ifattach(struct ifnet *ifp, u_int8_t lla) -{ - struct ifaddr *ifa; - struct sockaddr_dl *sdl; - struct arccom *ac; - - if_attach(ifp); - ifp->if_addrlen = 1; - ifp->if_hdrlen = ARC_HDRLEN; - ifp->if_mtu = 1500; - ifp->if_resolvemulti = arc_resolvemulti; - if (ifp->if_baudrate == 0) - ifp->if_baudrate = 2500000; - ifa = ifp->if_addr; - KASSERT(ifa != NULL, ("%s: no lladdr!\n", __func__)); - sdl = (struct sockaddr_dl *)ifa->ifa_addr; - sdl->sdl_type = IFT_ARCNET; - sdl->sdl_alen = ifp->if_addrlen; - - if (ifp->if_flags & IFF_BROADCAST) - ifp->if_flags |= IFF_MULTICAST|IFF_ALLMULTI; - - ac = (struct arccom *)ifp->if_l2com; - ac->ac_seqid = (time_second) & 0xFFFF; /* try to make seqid unique */ - if (lla == 0) { - /* XXX this message isn't entirely clear, to me -- cgd */ - log(LOG_ERR,"%s: link address 0 reserved for broadcasts. Please change it and ifconfig %s down up\n", - ifp->if_xname, ifp->if_xname); - } - arc_storelladdr(ifp, lla); - - ifp->if_broadcastaddr = &arcbroadcastaddr; - - bpfattach(ifp, DLT_ARCNET, ARC_HDRLEN); -} - -void -arc_ifdetach(struct ifnet *ifp) -{ - bpfdetach(ifp); - if_detach(ifp); -} - -int -arc_ioctl(struct ifnet *ifp, u_long command, caddr_t data) -{ - struct ifaddr *ifa = (struct ifaddr *) data; - struct ifreq *ifr = (struct ifreq *) data; - int error = 0; - - switch (command) { - case SIOCSIFADDR: - ifp->if_flags |= IFF_UP; - switch (ifa->ifa_addr->sa_family) { -#ifdef INET - case AF_INET: - ifp->if_init(ifp->if_softc); /* before arpwhohas */ - arp_ifinit(ifp, ifa); - break; -#endif - default: - ifp->if_init(ifp->if_softc); - break; - } - break; - - case SIOCGIFADDR: - ifr->ifr_addr.sa_data[0] = ARC_LLADDR(ifp); - break; - - case SIOCADDMULTI: - case SIOCDELMULTI: - if (ifr == NULL) - error = EAFNOSUPPORT; - else { - switch (ifr->ifr_addr.sa_family) { - case AF_INET: - case AF_INET6: - error = 0; - break; - default: - error = EAFNOSUPPORT; - break; - } - } - break; - - case SIOCSIFMTU: - /* - * Set the interface MTU. - * mtu can't be larger than ARCMTU for RFC1051 - * and can't be larger than ARC_PHDS_MTU - */ - if (((ifp->if_flags & IFF_LINK0) && ifr->ifr_mtu > ARCMTU) || - ifr->ifr_mtu > ARC_PHDS_MAXMTU) - error = EINVAL; - else - ifp->if_mtu = ifr->ifr_mtu; - break; - } - - return (error); -} - -/* based on ether_resolvemulti() */ -int -arc_resolvemulti(struct ifnet *ifp, struct sockaddr **llsa, - struct sockaddr *sa) -{ - struct sockaddr_dl *sdl; -#ifdef INET - struct sockaddr_in *sin; -#endif -#ifdef INET6 - struct sockaddr_in6 *sin6; -#endif - - switch(sa->sa_family) { - case AF_LINK: - /* - * No mapping needed. Just check that it's a valid MC address. - */ - sdl = (struct sockaddr_dl *)sa; - if (*LLADDR(sdl) != arcbroadcastaddr) - return EADDRNOTAVAIL; - *llsa = NULL; - return 0; -#ifdef INET - case AF_INET: - sin = (struct sockaddr_in *)sa; - if (!IN_MULTICAST(ntohl(sin->sin_addr.s_addr))) - return EADDRNOTAVAIL; - sdl = link_init_sdl(ifp, *llsa, IFT_ETHER); - sdl->sdl_alen = ARC_ADDR_LEN; - *LLADDR(sdl) = 0; - *llsa = (struct sockaddr *)sdl; - return 0; -#endif -#ifdef 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 = NULL; - return 0; - } - if (!IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr)) - return EADDRNOTAVAIL; - sdl = link_init_sdl(ifp, *llsa, IFT_ETHER); - sdl->sdl_alen = ARC_ADDR_LEN; - *LLADDR(sdl) = 0; - *llsa = (struct sockaddr *)sdl; - return 0; -#endif - - default: - /* - * Well, the text isn't quite right, but it's the name - * that counts... - */ - return EAFNOSUPPORT; - } -} - -static MALLOC_DEFINE(M_ARCCOM, "arccom", "ARCNET interface internals"); - -static void* -arc_alloc(u_char type, struct ifnet *ifp) -{ - struct arccom *ac; - - ac = malloc(sizeof(struct arccom), M_ARCCOM, M_WAITOK | M_ZERO); - ac->ac_ifp = ifp; - - return (ac); -} - -static void -arc_free(void *com, u_char type) -{ - - free(com, M_ARCCOM); -} - -static int -arc_modevent(module_t mod, int type, void *data) -{ - - switch (type) { - case MOD_LOAD: - if_register_com_alloc(IFT_ARCNET, arc_alloc, arc_free); - break; - case MOD_UNLOAD: - if_deregister_com_alloc(IFT_ARCNET); - break; - default: - return EOPNOTSUPP; - } - - return (0); -} - -static moduledata_t arc_mod = { - "arcnet", - arc_modevent, - 0 -}; - -DECLARE_MODULE(arcnet, arc_mod, SI_SUB_INIT_IF, SI_ORDER_ANY); -MODULE_VERSION(arcnet, 1); |