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authorclaudio <claudio@openbsd.org>2007-05-29 18:21:19 +0000
committerclaudio <claudio@openbsd.org>2007-05-29 18:21:19 +0000
commit2b9935a1c2002ef42291e81a07bee984946e5527 (patch)
tree100de7f4b16c0f993a68d43da1307760b2d6a9da /sys/net/if_tokensubr.c
parentDefine IF_ENQUEUE() and friends as proper C statements using do ... while (diff)
downloadwireguard-openbsd-2b9935a1c2002ef42291e81a07bee984946e5527.tar.xz
wireguard-openbsd-2b9935a1c2002ef42291e81a07bee984946e5527.zip
Move tokenring support to the attic where it can join the cards that where
decomissioned aeon ago. We will not miss it at all. OK dlg@ henning@ and a lot of cheers by other in the room
Diffstat (limited to 'sys/net/if_tokensubr.c')
-rw-r--r--sys/net/if_tokensubr.c499
1 files changed, 0 insertions, 499 deletions
diff --git a/sys/net/if_tokensubr.c b/sys/net/if_tokensubr.c
index c00969a38ff..e69de29bb2d 100644
--- a/sys/net/if_tokensubr.c
+++ b/sys/net/if_tokensubr.c
@@ -1,499 +0,0 @@
-/* $OpenBSD: if_tokensubr.c,v 1.24 2006/12/07 18:15:29 reyk Exp $ */
-/* $NetBSD: if_tokensubr.c,v 1.7 1999/05/30 00:39:07 bad Exp $ */
-
-/*
- * Copyright (c) 1997-1999
- * Onno van der Linden
- * Copyright (c) 1995
- * Matt Thomas. All rights reserved.
- * 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. 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_fddisubr.c,v 1.2 1995/08/19 04:35:29 cgd Exp
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/malloc.h>
-#include <sys/mbuf.h>
-#include <sys/protosw.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <sys/errno.h>
-#include <sys/syslog.h>
-
-#include <machine/cpu.h>
-
-#include <net/if.h>
-#include <net/netisr.h>
-#include <net/route.h>
-#include <net/if_llc.h>
-#include <net/if_dl.h>
-#include <net/if_types.h>
-
-#ifdef INET
-#include <netinet/in.h>
-#include <netinet/if_ether.h>
-#include <netinet/in_var.h>
-#include <net/if_token.h>
-#endif
-
-#include "bpfilter.h"
-
-#include "carp.h"
-#if NCARP > 0
-#include <netinet/ip_carp.h>
-#endif
-
-/*
- * TODO:
- * handle source routing via send_xid()
- * IPX cases
- * handle "fast" forwarding like if_ether and if_fddi
- */
-
-#define senderr(e) { error = (e); goto bad;}
-
-#if defined(__bsdi__) || defined(__NetBSD__) || defined(__OpenBSD__)
-#define RTALLOC1(a, b) rtalloc1(a, b, 0)
-#define ARPRESOLVE(a, b, c, d, e, f) arpresolve(a, b, c, d, e)
-#define TYPEHTONS(t) (t)
-#elif defined(__FreeBSD__)
-#define RTALLOC1(a, b) rtalloc1(a, b, 0UL)
-#define ARPRESOLVE(a, b, c, d, e, f) arpresolve(a, b, c, d, e, f)
-#define TYPEHTONS(t) (htons(t))
-#endif
-
-#define RCF_ALLROUTES (2 << 8) | TOKEN_RCF_FRAME2 | TOKEN_RCF_BROADCAST_ALL
-#define RCF_SINGLEROUTE (2 << 8) | TOKEN_RCF_FRAME2 | TOKEN_RCF_BROADCAST_SINGLE
-
-/*
- * This really should be defined in if_llc.h but in case it isn't.
- */
-#ifndef llc_snap
-#define llc_snap llc_un.type_snap
-#endif
-
-int token_output(struct ifnet *, struct mbuf *, struct sockaddr *,
- struct rtentry *);
-
-/*
- * Token Ring output routine.
- * Encapsulate a packet of type family for the local net.
- * Assumes that ifp is actually pointer to arphdr structure.
- * XXX route info has to go into the same mbuf as the header
- */
-int
-token_output(ifp0, m0, dst, rt0)
- struct ifnet *ifp0;
- struct mbuf *m0;
- struct sockaddr *dst;
- struct rtentry *rt0;
-{
- u_int16_t etype;
- int s, len, error = 0;
- u_char edst[ISO88025_ADDR_LEN];
- struct mbuf *m = m0;
- struct rtentry *rt;
- struct mbuf *mcopy = (struct mbuf *)0;
- struct token_header *trh;
-#ifdef INET
- struct arpcom *ac = (struct arpcom *)ifp0;
-#endif /* INET */
- struct token_rif *rif = (struct token_rif *)0;
- struct token_rif bcastrif;
- size_t riflen = 0;
- short mflags;
- struct ifnet *ifp = ifp0;
-
-#if NCARP > 0
- if (ifp->if_type == IFT_CARP) {
- struct ifaddr *ifa;
-
- /* loop back if this is going to the carp interface */
- if (dst != NULL && LINK_STATE_IS_UP(ifp0->if_link_state) &&
- (ifa = ifa_ifwithaddr(dst)) != NULL &&
- ifa->ifa_ifp == ifp0)
- return (looutput(ifp0, m, dst, rt0));
-
- ifp = ifp->if_carpdev;
- ac = (struct arpcom *)ifp;
-
- if ((ifp0->if_flags & (IFF_UP|IFF_RUNNING)) !=
- (IFF_UP|IFF_RUNNING))
- senderr(ENETDOWN);
- }
-#endif /* NCARP > 0 */
-
- if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
- senderr(ENETDOWN);
- if ((rt = rt0)) {
- if ((rt->rt_flags & RTF_UP) == 0) {
- if ((rt0 = rt = RTALLOC1(dst, 1)))
- rt->rt_refcnt--;
- else
- senderr(EHOSTUNREACH);
- }
- if (rt->rt_flags & RTF_GATEWAY) {
- if (rt->rt_gwroute == 0)
- goto lookup;
- if (((rt = rt->rt_gwroute)->rt_flags & RTF_UP) == 0) {
- rtfree(rt); rt = rt0;
- lookup: rt->rt_gwroute = RTALLOC1(rt->rt_gateway, 1);
- if ((rt = rt->rt_gwroute) == 0)
- senderr(EHOSTUNREACH);
- }
- }
- if (rt->rt_flags & RTF_REJECT)
- if (rt->rt_rmx.rmx_expire == 0 ||
- time_second < rt->rt_rmx.rmx_expire)
- senderr(rt == rt0 ? EHOSTDOWN : EHOSTUNREACH);
- }
-
- switch (dst->sa_family) {
-
-#ifdef INET
- case AF_INET:
- if (m->m_flags & M_BCAST) {
- if (ifp->if_flags & IFF_LINK0) {
- if (ifp->if_flags & IFF_LINK1)
- bcastrif.tr_rcf = htons(RCF_ALLROUTES);
- else
- bcastrif.tr_rcf = htons(RCF_SINGLEROUTE);
- rif = &bcastrif;
- riflen = sizeof(rif->tr_rcf);
- }
- bcopy((caddr_t)tokenbroadcastaddr, (caddr_t)edst,
- sizeof(edst));
- }
-/*
- * XXX m->m_flags & M_MCAST IEEE802_MAP_IP_MULTICAST ??
- */
- else {
- if (!ARPRESOLVE(ac, rt, m, dst, edst, rt0))
- return (0); /* if not yet resolved */
- rif = TOKEN_RIF((struct llinfo_arp *) rt->rt_llinfo);
- riflen = (ntohs(rif->tr_rcf) & TOKEN_RCF_LEN_MASK) >> 8;
- }
- /* If broadcasting on a simplex interface, loopback a copy. */
- if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX)) {
-#if NPF > 0
- struct pf_mtag *t;
-
- if ((t = pf_find_mtag(m)) == NULL || !t->routed)
-#endif
- mcopy = m_copy(m, 0, (int)M_COPYALL);
- }
- etype = htons(ETHERTYPE_IP);
- break;
-#if 0
- case AF_ARP:
-/*
- * XXX source routing, assume m->m_data contains the useful stuff
- */
- ah = mtod(m, struct arphdr *);
- ah->ar_hrd = htons(ARPHRD_IEEE802);
-
- switch(ntohs(ah->ar_op)) {
- case ARPOP_REVREQUEST:
- case ARPOP_REVREPLY:
- etype = htons(ETHERTYPE_REVARP);
- break;
-
- case ARPOP_REQUEST:
- case ARPOP_REPLY:
- default:
- etype = htons(ETHERTYPE_ARP);
- }
-
- if (m->m_flags & M_BCAST) {
- if (ifp->if_flags & IFF_LINK0) {
- if (ifp->if_flags & IFF_LINK1)
- bcastrif.tr_rcf = htons(RCF_ALLROUTES);
- else
- bcastrif.tr_rcf = htons(RCF_SINGLEROUTE);
- rif = &bcastrif;
- riflen = sizeof(rif->tr_rcf);
- }
- bcopy((caddr_t)tokenbroadcastaddr, (caddr_t)edst,
- sizeof(edst));
- }
- else {
- bcopy((caddr_t)ar_tha(ah), (caddr_t)edst, sizeof(edst));
- trh = (struct token_header *)M_TRHSTART(m);
- trh->token_ac = TOKEN_AC;
- trh->token_fc = TOKEN_FC;
- if (trh->token_shost[0] & TOKEN_RI_PRESENT) {
- struct token_rif *trrif;
-
- trrif = TOKEN_RIF(trh);
- riflen = (ntohs(trrif->tr_rcf) & TOKEN_RCF_LEN_MASK) >> 8;
- }
- bcopy((caddr_t)edst, (caddr_t)trh->token_dhost,
- sizeof (edst));
- bcopy(LLADDR(ifp->if_sadl), (caddr_t)trh->token_shost,
- sizeof(trh->token_shost));
- if (riflen != 0)
- trh->token_shost[0] |= TOKEN_RI_PRESENT;
-/*
- * compare (m->m_data - m->m_pktdat) with (sizeof(struct token_header) + riflen + ...
- */
- m->m_len += (sizeof(*trh) + riflen + LLC_SNAPFRAMELEN);
- m->m_data -= (sizeof(*trh) + riflen + LLC_SNAPFRAMELEN);
- m->m_pkthdr.len += (sizeof(*trh) + riflen + LLC_SNAPFRAMELEN);
- goto send;
- }
- break;
-#endif /* 0 */
-#endif
- case AF_UNSPEC:
- {
- struct ether_header *eh;
- eh = (struct ether_header *)dst->sa_data;
- bcopy((caddr_t)eh->ether_dhost, (caddr_t)edst, sizeof (edst));
- if (*edst & 1)
- m->m_flags |= (M_BCAST|M_MCAST);
- etype = TYPEHTONS(eh->ether_type);
- if (m->m_flags & M_BCAST) {
- if (ifp->if_flags & IFF_LINK0) {
- if (ifp->if_flags & IFF_LINK1)
- bcastrif.tr_rcf = htons(RCF_ALLROUTES);
- else
- bcastrif.tr_rcf = htons(RCF_SINGLEROUTE);
- rif = &bcastrif;
- riflen = sizeof(bcastrif.tr_rcf);
- }
- }
- break;
- }
-
- default:
- printf("%s: can't handle af%d\n", ifp->if_xname,
- dst->sa_family);
- senderr(EAFNOSUPPORT);
- }
-
-
- if (mcopy)
- (void) looutput(ifp, mcopy, dst, rt);
- if (etype != 0) {
- struct llc *l;
- M_PREPEND(m, LLC_SNAPFRAMELEN, M_DONTWAIT);
- if (m == 0)
- senderr(ENOBUFS);
- l = mtod(m, struct llc *);
- l->llc_control = LLC_UI;
- l->llc_dsap = l->llc_ssap = LLC_SNAP_LSAP;
- l->llc_snap.org_code[0] = l->llc_snap.org_code[1] =
- l->llc_snap.org_code[2] = 0;
- bcopy((caddr_t) &etype, (caddr_t) &l->llc_snap.ether_type,
- sizeof(u_short));
- }
-
- /*
- * Add local net header. If no space in first mbuf,
- * allocate another.
- */
-
- M_PREPEND(m, (riflen + sizeof (*trh)), M_DONTWAIT);
- if (m == 0)
- senderr(ENOBUFS);
- trh = mtod(m, struct token_header *);
- trh->token_ac = TOKEN_AC;
- trh->token_fc = TOKEN_FC;
- bcopy((caddr_t)edst, (caddr_t)trh->token_dhost, sizeof (edst));
- bcopy((caddr_t)ac->ac_enaddr, (caddr_t)trh->token_shost,
- sizeof(trh->token_shost));
-
- if (riflen != 0) {
- struct token_rif *trrif;
-
- trh->token_shost[0] |= TOKEN_RI_PRESENT;
- trrif = TOKEN_RIF(trh);
- bcopy(rif, trrif, riflen);
- }
-#if 0
-send:
-#endif /* 0 */
-
-#if NCARP > 0
- if (ifp0 != ifp && ifp0->if_type == IFT_CARP) {
- bcopy((caddr_t)((struct arpcom *)ifp0)->ac_enaddr,
- (caddr_t)trh->token_shost, sizeof(trh->token_shost));
- }
-#endif
-
- mflags = m->m_flags;
- len = m->m_pkthdr.len;
- s = splnet();
- /*
- * Queue message on interface, and start output if interface
- * not yet active.
- */
- IFQ_ENQUEUE(&ifp->if_snd, m, NULL, error);
- if (error) {
- /* mbuf is already freed */
- splx(s);
- return (error);
- }
- ifp->if_obytes += len;
-#if NCARP > 0
- if (ifp != ifp0)
- ifp0->if_obytes += len;
-#endif /* NCARP > 0 */
- if (mflags & M_MCAST)
- ifp->if_omcasts++;
- if ((ifp->if_flags & IFF_OACTIVE) == 0)
- (*ifp->if_start)(ifp);
- splx(s);
- return (error);
-
-bad:
- if (m)
- m_freem(m);
- return (error);
-}
-
-/*
- * Process a received token ring packet;
- * the packet is in the mbuf chain m with
- * the token ring header.
- */
-void
-token_input(ifp, m)
- struct ifnet *ifp;
- struct mbuf *m;
-{
- struct ifqueue *inq;
- struct llc *l;
- struct token_header *trh;
- int s, lan_hdr_len;
-
- if ((ifp->if_flags & IFF_UP) == 0) {
- m_freem(m);
- return;
- }
-
- trh = mtod(m, struct token_header *);
-
- ifp->if_ibytes += m->m_pkthdr.len;
- if (bcmp((caddr_t)tokenbroadcastaddr, (caddr_t)trh->token_dhost,
- sizeof(tokenbroadcastaddr)) == 0)
- m->m_flags |= M_BCAST;
- else if (trh->token_dhost[0] & 1)
- m->m_flags |= M_MCAST;
- if (m->m_flags & (M_BCAST|M_MCAST))
- ifp->if_imcasts++;
-
- /* Skip past the Token Ring header and RIF. */
- lan_hdr_len = sizeof(struct token_header);
- if (trh->token_shost[0] & TOKEN_RI_PRESENT) {
- struct token_rif *trrif;
-
- trrif = TOKEN_RIF(trh);
- lan_hdr_len += (ntohs(trrif->tr_rcf) & TOKEN_RCF_LEN_MASK) >> 8;
- }
- m_adj(m, lan_hdr_len);
-
- l = mtod(m, struct llc *);
- switch (l->llc_dsap) {
-#if defined(INET)
- case LLC_SNAP_LSAP:
- {
- u_int16_t etype;
- if (l->llc_control != LLC_UI || l->llc_ssap != LLC_SNAP_LSAP)
- goto dropanyway;
- if (l->llc_snap.org_code[0] != 0 ||
- l->llc_snap.org_code[1] != 0 ||
- l->llc_snap.org_code[2] != 0)
- goto dropanyway;
- etype = ntohs(l->llc_snap.ether_type);
- m_adj(m, LLC_SNAPFRAMELEN);
-
-#if NCARP > 0
- if (ifp->if_carp && ifp->if_type != IFT_CARP &&
- (carp_input(m, (u_int8_t *)&trh->token_shost,
- (u_int8_t *)&trh->token_dhost, l->llc_snap.ether_type) == 0))
- return;
-#endif
-
- switch (etype) {
-#ifdef INET
- case ETHERTYPE_IP:
- schednetisr(NETISR_IP);
- inq = &ipintrq;
- break;
-
- case ETHERTYPE_ARP:
- schednetisr(NETISR_ARP);
- inq = &arpintrq;
- break;
-#endif
- default:
- /*
- printf("token_input: unknown protocol 0x%x\n", etype);
- */
- ifp->if_noproto++;
- goto dropanyway;
- }
- break;
- }
-#endif /* INET */
-
- default:
- /* printf("token_input: unknown dsap 0x%x\n", l->llc_dsap); */
- ifp->if_noproto++;
- dropanyway:
- m_freem(m);
- return;
- }
-
- s = splnet();
- IF_INPUT_ENQUEUE(inq, m);
- splx(s);
-}
-
-/*
- * Perform common duties while attaching to interface list
- */
-void
-token_ifattach(ifp)
- struct ifnet *ifp;
-{
- ifp->if_type = IFT_ISO88025;
- ifp->if_addrlen = ISO88025_ADDR_LEN;
- ifp->if_hdrlen = 14;
- ifp->if_mtu = ISO88025_MTU;
- ifp->if_output = token_output;
-#ifdef IFF_NOTRAILERS
- ifp->if_flags |= IFF_NOTRAILERS;
-#endif
- if_alloc_sadl(ifp);
- bcopy((caddr_t)((struct arpcom *)ifp)->ac_enaddr,
- LLADDR(ifp->if_sadl), ifp->if_addrlen);
-}