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author | 2007-05-29 18:21:19 +0000 | |
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committer | 2007-05-29 18:21:19 +0000 | |
commit | 2b9935a1c2002ef42291e81a07bee984946e5527 (patch) | |
tree | 100de7f4b16c0f993a68d43da1307760b2d6a9da /sys/net/if_tokensubr.c | |
parent | Define IF_ENQUEUE() and friends as proper C statements using do ... while (diff) | |
download | wireguard-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.c | 499 |
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); -} |