ipx_usrreq.c revision 139823
1139823Simp/*- 2139623Srwatson * Copyright (c) 2004-2005 Robert N. M. Watson 311819Sjulian * Copyright (c) 1995, Mike Mitchell 411819Sjulian * Copyright (c) 1984, 1985, 1986, 1987, 1993 511819Sjulian * The Regents of the University of California. All rights reserved. 611819Sjulian * 711819Sjulian * Redistribution and use in source and binary forms, with or without 811819Sjulian * modification, are permitted provided that the following conditions 911819Sjulian * are met: 1011819Sjulian * 1. Redistributions of source code must retain the above copyright 1111819Sjulian * notice, this list of conditions and the following disclaimer. 1211819Sjulian * 2. Redistributions in binary form must reproduce the above copyright 1311819Sjulian * notice, this list of conditions and the following disclaimer in the 1411819Sjulian * documentation and/or other materials provided with the distribution. 1511819Sjulian * 3. All advertising materials mentioning features or use of this software 1611819Sjulian * must display the following acknowledgement: 1711819Sjulian * This product includes software developed by the University of 1811819Sjulian * California, Berkeley and its contributors. 1911819Sjulian * 4. Neither the name of the University nor the names of its contributors 2011819Sjulian * may be used to endorse or promote products derived from this software 2111819Sjulian * without specific prior written permission. 2211819Sjulian * 2311819Sjulian * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2411819Sjulian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2511819Sjulian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2611819Sjulian * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2711819Sjulian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2811819Sjulian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2911819Sjulian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3011819Sjulian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3111819Sjulian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3211819Sjulian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3311819Sjulian * SUCH DAMAGE. 3411819Sjulian * 3512057Sjulian * @(#)ipx_usrreq.c 3611819Sjulian */ 3711819Sjulian 38116189Sobrien#include <sys/cdefs.h> 39116189Sobrien__FBSDID("$FreeBSD: head/sys/netipx/ipx_usrreq.c 139823 2005-01-07 01:45:51Z imp $"); 40116189Sobrien 4131742Seivind#include "opt_ipx.h" 4231742Seivind 4311819Sjulian#include <sys/param.h> 4419947Sjhay#include <sys/kernel.h> 4595759Stanimura#include <sys/lock.h> 4611819Sjulian#include <sys/mbuf.h> 4711819Sjulian#include <sys/protosw.h> 4895759Stanimura#include <sys/signalvar.h> 4911819Sjulian#include <sys/socket.h> 5011819Sjulian#include <sys/socketvar.h> 5195759Stanimura#include <sys/sx.h> 5219947Sjhay#include <sys/sysctl.h> 5395759Stanimura#include <sys/systm.h> 5411819Sjulian 5511819Sjulian#include <net/if.h> 5611819Sjulian#include <net/route.h> 5711819Sjulian 5811947Sjulian#include <netinet/in.h> 5911947Sjulian 6011819Sjulian#include <netipx/ipx.h> 6195759Stanimura#include <netipx/ipx_if.h> 6295759Stanimura#include <netipx/ipx_ip.h> 6311819Sjulian#include <netipx/ipx_pcb.h> 6411819Sjulian#include <netipx/ipx_var.h> 6511819Sjulian 6611819Sjulian/* 6711819Sjulian * IPX protocol implementation. 6811819Sjulian */ 6911819Sjulian 7033181Seivindstatic int ipxsendspace = IPXSNDQ; 7119947SjhaySYSCTL_INT(_net_ipx_ipx, OID_AUTO, ipxsendspace, CTLFLAG_RW, 7219947Sjhay &ipxsendspace, 0, ""); 7333181Seivindstatic int ipxrecvspace = IPXRCVQ; 7419947SjhaySYSCTL_INT(_net_ipx_ipx, OID_AUTO, ipxrecvspace, CTLFLAG_RW, 7519947Sjhay &ipxrecvspace, 0, ""); 7619947Sjhay 7724659Sjhaystatic int ipx_usr_abort(struct socket *so); 7883366Sjulianstatic int ipx_attach(struct socket *so, int proto, struct thread *td); 7983366Sjulianstatic int ipx_bind(struct socket *so, struct sockaddr *nam, struct thread *td); 8028270Swollmanstatic int ipx_connect(struct socket *so, struct sockaddr *nam, 8183366Sjulian struct thread *td); 8224659Sjhaystatic int ipx_detach(struct socket *so); 8324659Sjhaystatic int ipx_disconnect(struct socket *so); 8424659Sjhaystatic int ipx_send(struct socket *so, int flags, struct mbuf *m, 85139584Srwatson struct sockaddr *addr, struct mbuf *control, 8683366Sjulian struct thread *td); 8724659Sjhaystatic int ipx_shutdown(struct socket *so); 8883366Sjulianstatic int ripx_attach(struct socket *so, int proto, struct thread *td); 8925652Sjhaystatic int ipx_output(struct ipxpcb *ipxp, struct mbuf *m0); 9024659Sjhay 9125652Sjhaystruct pr_usrreqs ipx_usrreqs = { 92137386Sphk .pru_abort = ipx_usr_abort, 93137386Sphk .pru_attach = ipx_attach, 94137386Sphk .pru_bind = ipx_bind, 95137386Sphk .pru_connect = ipx_connect, 96137386Sphk .pru_control = ipx_control, 97137386Sphk .pru_detach = ipx_detach, 98137386Sphk .pru_disconnect = ipx_disconnect, 99137386Sphk .pru_peeraddr = ipx_peeraddr, 100137386Sphk .pru_send = ipx_send, 101137386Sphk .pru_shutdown = ipx_shutdown, 102137386Sphk .pru_sockaddr = ipx_sockaddr, 10324659Sjhay}; 10424659Sjhay 10525652Sjhaystruct pr_usrreqs ripx_usrreqs = { 106137386Sphk .pru_abort = ipx_usr_abort, 107137386Sphk .pru_attach = ripx_attach, 108137386Sphk .pru_bind = ipx_bind, 109137386Sphk .pru_connect = ipx_connect, 110137386Sphk .pru_control = ipx_control, 111137386Sphk .pru_detach = ipx_detach, 112137386Sphk .pru_disconnect = ipx_disconnect, 113137386Sphk .pru_peeraddr = ipx_peeraddr, 114137386Sphk .pru_send = ipx_send, 115137386Sphk .pru_shutdown = ipx_shutdown, 116137386Sphk .pru_sockaddr = ipx_sockaddr, 11724659Sjhay}; 11824659Sjhay 11911819Sjulian/* 12011819Sjulian * This may also be called for raw listeners. 12111819Sjulian */ 12211819Sjulianvoid 12311819Sjulianipx_input(m, ipxp) 12411819Sjulian struct mbuf *m; 12511819Sjulian register struct ipxpcb *ipxp; 12611819Sjulian{ 12711819Sjulian register struct ipx *ipx = mtod(m, struct ipx *); 12811819Sjulian struct ifnet *ifp = m->m_pkthdr.rcvif; 12915245Sjhay struct sockaddr_ipx ipx_ipx; 13011819Sjulian 131139623Srwatson KASSERT(ipxp != NULL, ("ipx_input: NULL ipxpcb")); 13211819Sjulian /* 13311819Sjulian * Construct sockaddr format source address. 13411819Sjulian * Stuff source address and datagram in user buffer. 13511819Sjulian */ 13615245Sjhay ipx_ipx.sipx_len = sizeof(ipx_ipx); 13715245Sjhay ipx_ipx.sipx_family = AF_IPX; 13811819Sjulian ipx_ipx.sipx_addr = ipx->ipx_sna; 13915245Sjhay ipx_ipx.sipx_zero[0] = '\0'; 14015245Sjhay ipx_ipx.sipx_zero[1] = '\0'; 14125652Sjhay if (ipx_neteqnn(ipx->ipx_sna.x_net, ipx_zeronet) && ifp != NULL) { 14211819Sjulian register struct ifaddr *ifa; 14311819Sjulian 144139584Srwatson for (ifa = TAILQ_FIRST(&ifp->if_addrhead); ifa != NULL; 14571999Sphk ifa = TAILQ_NEXT(ifa, ifa_link)) { 14611819Sjulian if (ifa->ifa_addr->sa_family == AF_IPX) { 14711819Sjulian ipx_ipx.sipx_addr.x_net = 14811819Sjulian IA_SIPX(ifa)->sipx_addr.x_net; 14911819Sjulian break; 15011819Sjulian } 15111819Sjulian } 15211819Sjulian } 15311819Sjulian ipxp->ipxp_rpt = ipx->ipx_pt; 154139588Srwatson if ((ipxp->ipxp_flags & IPXP_RAWIN) == 0) { 15525652Sjhay m->m_len -= sizeof(struct ipx); 15625652Sjhay m->m_pkthdr.len -= sizeof(struct ipx); 15725652Sjhay m->m_data += sizeof(struct ipx); 15811819Sjulian } 159139588Srwatson if (sbappendaddr(&ipxp->ipxp_socket->so_rcv, 160139588Srwatson (struct sockaddr *)&ipx_ipx, m, NULL) == 0) 161139588Srwatson m_freem(m); 162139588Srwatson else 163139588Srwatson sorwakeup(ipxp->ipxp_socket); 16411819Sjulian} 16511819Sjulian 16611819Sjulian/* 16711819Sjulian * Drop connection, reporting 16811819Sjulian * the specified error. 16911819Sjulian */ 17011819Sjulianvoid 17111819Sjulianipx_drop(ipxp, errno) 17211819Sjulian register struct ipxpcb *ipxp; 17311819Sjulian int errno; 17411819Sjulian{ 17511819Sjulian struct socket *so = ipxp->ipxp_socket; 17611819Sjulian 17711819Sjulian /* 17825652Sjhay * someday, in the IPX world 17911819Sjulian * we will generate error protocol packets 18011819Sjulian * announcing that the socket has gone away. 18125652Sjhay * 18225652Sjhay * XXX Probably never. IPX does not have error packets. 18311819Sjulian */ 18411819Sjulian /*if (TCPS_HAVERCVDSYN(tp->t_state)) { 18511819Sjulian tp->t_state = TCPS_CLOSED; 18625652Sjhay tcp_output(tp); 18711819Sjulian }*/ 18811819Sjulian so->so_error = errno; 18911819Sjulian ipx_pcbdisconnect(ipxp); 19011819Sjulian soisdisconnected(so); 19111819Sjulian} 19211819Sjulian 19325652Sjhaystatic int 19411819Sjulianipx_output(ipxp, m0) 19511819Sjulian struct ipxpcb *ipxp; 19611819Sjulian struct mbuf *m0; 19711819Sjulian{ 19811819Sjulian register struct ipx *ipx; 19911819Sjulian register struct socket *so; 20011819Sjulian register int len = 0; 20111819Sjulian register struct route *ro; 20254799Sgreen struct mbuf *m; 20311819Sjulian struct mbuf *mprev = NULL; 20411819Sjulian 20511819Sjulian /* 20611819Sjulian * Calculate data length. 20711819Sjulian */ 20825652Sjhay for (m = m0; m != NULL; m = m->m_next) { 20911819Sjulian mprev = m; 21011819Sjulian len += m->m_len; 21111819Sjulian } 21211819Sjulian /* 21311819Sjulian * Make sure packet is actually of even length. 21411819Sjulian */ 215139584Srwatson 21611819Sjulian if (len & 1) { 21711819Sjulian m = mprev; 21811819Sjulian if ((m->m_flags & M_EXT) == 0 && 21911819Sjulian (m->m_len + m->m_data < &m->m_dat[MLEN])) { 22050519Sjhay mtod(m, char*)[m->m_len++] = 0; 22111819Sjulian } else { 222111119Simp struct mbuf *m1 = m_get(M_DONTWAIT, MT_DATA); 22311819Sjulian 22425652Sjhay if (m1 == NULL) { 22511819Sjulian m_freem(m0); 22611819Sjulian return (ENOBUFS); 22711819Sjulian } 22811819Sjulian m1->m_len = 1; 22911819Sjulian * mtod(m1, char *) = 0; 23011819Sjulian m->m_next = m1; 23111819Sjulian } 23211819Sjulian m0->m_pkthdr.len++; 23311819Sjulian } 23411819Sjulian 23511819Sjulian /* 23611819Sjulian * Fill in mbuf with extended IPX header 23711819Sjulian * and addresses and length put into network format. 23811819Sjulian */ 23911819Sjulian m = m0; 24011819Sjulian if (ipxp->ipxp_flags & IPXP_RAWOUT) { 24111819Sjulian ipx = mtod(m, struct ipx *); 24211819Sjulian } else { 243111119Simp M_PREPEND(m, sizeof(struct ipx), M_DONTWAIT); 24425652Sjhay if (m == NULL) 24511819Sjulian return (ENOBUFS); 24611819Sjulian ipx = mtod(m, struct ipx *); 24711819Sjulian ipx->ipx_tc = 0; 24811819Sjulian ipx->ipx_pt = ipxp->ipxp_dpt; 24911819Sjulian ipx->ipx_sna = ipxp->ipxp_laddr; 25011819Sjulian ipx->ipx_dna = ipxp->ipxp_faddr; 25125652Sjhay len += sizeof(struct ipx); 25211819Sjulian } 25311819Sjulian 25411819Sjulian ipx->ipx_len = htons((u_short)len); 25511819Sjulian 25650519Sjhay if (ipxp->ipxp_flags & IPXP_CHECKSUM) { 25711819Sjulian ipx->ipx_sum = ipx_cksum(m, len); 25811819Sjulian } else 25911819Sjulian ipx->ipx_sum = 0xffff; 26011819Sjulian 26111819Sjulian /* 26211819Sjulian * Output datagram. 26311819Sjulian */ 26411819Sjulian so = ipxp->ipxp_socket; 26597658Stanimura if (so->so_options & SO_DONTROUTE) 26625652Sjhay return (ipx_outputfl(m, (struct route *)NULL, 26797658Stanimura (so->so_options & SO_BROADCAST) | IPX_ROUTETOIF)); 26811819Sjulian /* 26911819Sjulian * Use cached route for previous datagram if 27011819Sjulian * possible. If the previous net was the same 27111819Sjulian * and the interface was a broadcast medium, or 27211819Sjulian * if the previous destination was identical, 27311819Sjulian * then we are ok. 27411819Sjulian * 27511819Sjulian * NB: We don't handle broadcasts because that 27611819Sjulian * would require 3 subroutine calls. 27711819Sjulian */ 27811819Sjulian ro = &ipxp->ipxp_route; 27911819Sjulian#ifdef ancient_history 28011819Sjulian /* 28111819Sjulian * I think that this will all be handled in ipx_pcbconnect! 28211819Sjulian */ 28325652Sjhay if (ro->ro_rt != NULL) { 28411819Sjulian if(ipx_neteq(ipxp->ipxp_lastdst, ipx->ipx_dna)) { 28511819Sjulian /* 28611819Sjulian * This assumes we have no GH type routes 28711819Sjulian */ 28811819Sjulian if (ro->ro_rt->rt_flags & RTF_HOST) { 28911819Sjulian if (!ipx_hosteq(ipxp->ipxp_lastdst, ipx->ipx_dna)) 29011819Sjulian goto re_route; 29111819Sjulian 29211819Sjulian } 29311819Sjulian if ((ro->ro_rt->rt_flags & RTF_GATEWAY) == 0) { 29411819Sjulian register struct ipx_addr *dst = 29511819Sjulian &satoipx_addr(ro->ro_dst); 29611819Sjulian dst->x_host = ipx->ipx_dna.x_host; 29711819Sjulian } 298139584Srwatson /* 29911819Sjulian * Otherwise, we go through the same gateway 30011819Sjulian * and dst is already set up. 30111819Sjulian */ 30211819Sjulian } else { 30311819Sjulian re_route: 30411819Sjulian RTFREE(ro->ro_rt); 30525652Sjhay ro->ro_rt = NULL; 30611819Sjulian } 30711819Sjulian } 30811819Sjulian ipxp->ipxp_lastdst = ipx->ipx_dna; 30911819Sjulian#endif /* ancient_history */ 31097658Stanimura return (ipx_outputfl(m, ro, so->so_options & SO_BROADCAST)); 31111819Sjulian} 31219947Sjhay 31311819Sjulianint 31438482Swollmanipx_ctloutput(so, sopt) 31511819Sjulian struct socket *so; 31638482Swollman struct sockopt *sopt; 31711819Sjulian{ 31811819Sjulian struct ipxpcb *ipxp = sotoipxpcb(so); 31938482Swollman int mask, error, optval; 32038482Swollman short soptval; 32138482Swollman struct ipx ioptval; 32211819Sjulian 32338482Swollman error = 0; 32411819Sjulian if (ipxp == NULL) 32511819Sjulian return (EINVAL); 32611819Sjulian 32738482Swollman switch (sopt->sopt_dir) { 32838482Swollman case SOPT_GET: 32938482Swollman switch (sopt->sopt_name) { 33011819Sjulian case SO_ALL_PACKETS: 33111819Sjulian mask = IPXP_ALL_PACKETS; 33211819Sjulian goto get_flags; 33311819Sjulian 33411819Sjulian case SO_HEADERS_ON_INPUT: 33511819Sjulian mask = IPXP_RAWIN; 33611819Sjulian goto get_flags; 33750519Sjhay 33850519Sjhay case SO_IPX_CHECKSUM: 33950519Sjhay mask = IPXP_CHECKSUM; 34050519Sjhay goto get_flags; 341139584Srwatson 34211819Sjulian case SO_HEADERS_ON_OUTPUT: 34311819Sjulian mask = IPXP_RAWOUT; 34411819Sjulian get_flags: 34538482Swollman soptval = ipxp->ipxp_flags & mask; 34638482Swollman error = sooptcopyout(sopt, &soptval, sizeof soptval); 34711819Sjulian break; 34811819Sjulian 34911819Sjulian case SO_DEFAULT_HEADERS: 35038482Swollman ioptval.ipx_len = 0; 35138482Swollman ioptval.ipx_sum = 0; 35238482Swollman ioptval.ipx_tc = 0; 35338482Swollman ioptval.ipx_pt = ipxp->ipxp_dpt; 35438482Swollman ioptval.ipx_dna = ipxp->ipxp_faddr; 35538482Swollman ioptval.ipx_sna = ipxp->ipxp_laddr; 35638482Swollman error = sooptcopyout(sopt, &soptval, sizeof soptval); 35711819Sjulian break; 35811819Sjulian 35911819Sjulian case SO_SEQNO: 360139584Srwatson error = sooptcopyout(sopt, &ipx_pexseq, 36138482Swollman sizeof ipx_pexseq); 36238482Swollman ipx_pexseq++; 36311819Sjulian break; 36411819Sjulian 36511819Sjulian default: 36611819Sjulian error = EINVAL; 36711819Sjulian } 36811819Sjulian break; 36911819Sjulian 37038482Swollman case SOPT_SET: 37138482Swollman switch (sopt->sopt_name) { 37211819Sjulian case SO_ALL_PACKETS: 37311819Sjulian mask = IPXP_ALL_PACKETS; 37411819Sjulian goto set_head; 37511819Sjulian 37611819Sjulian case SO_HEADERS_ON_INPUT: 37711819Sjulian mask = IPXP_RAWIN; 37811819Sjulian goto set_head; 37911819Sjulian 38050519Sjhay case SO_IPX_CHECKSUM: 38150519Sjhay mask = IPXP_CHECKSUM; 38250519Sjhay 38311819Sjulian case SO_HEADERS_ON_OUTPUT: 38411819Sjulian mask = IPXP_RAWOUT; 38511819Sjulian set_head: 38638482Swollman error = sooptcopyin(sopt, &optval, sizeof optval, 38738482Swollman sizeof optval); 38838482Swollman if (error) 38938482Swollman break; 39038482Swollman if (optval) 39138482Swollman ipxp->ipxp_flags |= mask; 39238482Swollman else 39338482Swollman ipxp->ipxp_flags &= ~mask; 39411819Sjulian break; 39511819Sjulian 39611819Sjulian case SO_DEFAULT_HEADERS: 39738482Swollman error = sooptcopyin(sopt, &ioptval, sizeof ioptval, 39838482Swollman sizeof ioptval); 39938482Swollman if (error) 40038482Swollman break; 40138482Swollman ipxp->ipxp_dpt = ioptval.ipx_pt; 40211819Sjulian break; 40311819Sjulian#ifdef IPXIP 40411819Sjulian case SO_IPXIP_ROUTE: 40538482Swollman error = ipxip_route(so, sopt); 40611819Sjulian break; 40711819Sjulian#endif /* IPXIP */ 40811819Sjulian default: 40911819Sjulian error = EINVAL; 41011819Sjulian } 41111819Sjulian break; 41211819Sjulian } 41311819Sjulian return (error); 41411819Sjulian} 41511819Sjulian 41624659Sjhaystatic int 41724659Sjhayipx_usr_abort(so) 41811819Sjulian struct socket *so; 41911819Sjulian{ 42024659Sjhay int s; 42111819Sjulian struct ipxpcb *ipxp = sotoipxpcb(so); 42211819Sjulian 42324659Sjhay s = splnet(); 42424659Sjhay ipx_pcbdetach(ipxp); 42524659Sjhay splx(s); 426130387Srwatson soisdisconnected(so); 427136682Srwatson ACCEPT_LOCK(); 428130387Srwatson SOCK_LOCK(so); 42986487Sdillon sotryfree(so); 43024659Sjhay return (0); 43124659Sjhay} 43211819Sjulian 43324659Sjhaystatic int 43483366Sjulianipx_attach(so, proto, td) 43524659Sjhay struct socket *so; 43624659Sjhay int proto; 43783366Sjulian struct thread *td; 43824659Sjhay{ 43924659Sjhay int error; 44024659Sjhay int s; 44124659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 44224659Sjhay 44324659Sjhay if (ipxp != NULL) 44424659Sjhay return (EINVAL); 44524659Sjhay s = splnet(); 446139444Srwatson error = ipx_pcballoc(so, &ipxpcb_list, td); 44724659Sjhay splx(s); 44824659Sjhay if (error == 0) 44919947Sjhay error = soreserve(so, ipxsendspace, ipxrecvspace); 45024659Sjhay return (error); 45124659Sjhay} 45211819Sjulian 45324659Sjhaystatic int 45483366Sjulianipx_bind(so, nam, td) 45524659Sjhay struct socket *so; 45628270Swollman struct sockaddr *nam; 45783366Sjulian struct thread *td; 45824659Sjhay{ 45924659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 46011819Sjulian 46183366Sjulian return (ipx_pcbbind(ipxp, nam, td)); 46224659Sjhay} 46311819Sjulian 46424659Sjhaystatic int 46583366Sjulianipx_connect(so, nam, td) 46624659Sjhay struct socket *so; 46728270Swollman struct sockaddr *nam; 46883366Sjulian struct thread *td; 46924659Sjhay{ 47024659Sjhay int error; 47124659Sjhay int s; 47224659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 47311819Sjulian 47424659Sjhay if (!ipx_nullhost(ipxp->ipxp_faddr)) 47524659Sjhay return (EISCONN); 47624659Sjhay s = splnet(); 47783366Sjulian error = ipx_pcbconnect(ipxp, nam, td); 47824659Sjhay splx(s); 47997658Stanimura if (error == 0) 48024659Sjhay soisconnected(so); 48124659Sjhay return (error); 48224659Sjhay} 48311819Sjulian 48424659Sjhaystatic int 48524659Sjhayipx_detach(so) 48624659Sjhay struct socket *so; 48724659Sjhay{ 48824659Sjhay int s; 48924659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 49011819Sjulian 49124659Sjhay if (ipxp == NULL) 49224659Sjhay return (ENOTCONN); 49324659Sjhay s = splnet(); 49424659Sjhay ipx_pcbdetach(ipxp); 49524659Sjhay splx(s); 49624659Sjhay return (0); 49724659Sjhay} 49811819Sjulian 49924659Sjhaystatic int 50024659Sjhayipx_disconnect(so) 50124659Sjhay struct socket *so; 50224659Sjhay{ 50324659Sjhay int s; 50424659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 50511819Sjulian 50624659Sjhay if (ipx_nullhost(ipxp->ipxp_faddr)) 50724659Sjhay return (ENOTCONN); 50824659Sjhay s = splnet(); 50924659Sjhay ipx_pcbdisconnect(ipxp); 51024659Sjhay splx(s); 51124659Sjhay soisdisconnected(so); 51224659Sjhay return (0); 51324659Sjhay} 51411819Sjulian 51524659Sjhayint 51624659Sjhayipx_peeraddr(so, nam) 51724659Sjhay struct socket *so; 51828270Swollman struct sockaddr **nam; 51924659Sjhay{ 52024659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 52111819Sjulian 522139587Srwatson ipx_setpeeraddr(ipxp, nam); 52324659Sjhay return (0); 52424659Sjhay} 52524659Sjhay 52624659Sjhaystatic int 52783366Sjulianipx_send(so, flags, m, nam, control, td) 52824659Sjhay struct socket *so; 52924659Sjhay int flags; 53024659Sjhay struct mbuf *m; 53128270Swollman struct sockaddr *nam; 53224659Sjhay struct mbuf *control; 53383366Sjulian struct thread *td; 53424659Sjhay{ 53524659Sjhay int error; 53624659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 53724659Sjhay struct ipx_addr laddr; 53824659Sjhay int s = 0; 53924659Sjhay 54025652Sjhay if (nam != NULL) { 54124659Sjhay laddr = ipxp->ipxp_laddr; 54224659Sjhay if (!ipx_nullhost(ipxp->ipxp_faddr)) { 54324659Sjhay error = EISCONN; 54424659Sjhay goto send_release; 54511819Sjulian } 54624659Sjhay /* 54724659Sjhay * Must block input while temporarily connected. 54824659Sjhay */ 54924659Sjhay s = splnet(); 55083366Sjulian error = ipx_pcbconnect(ipxp, nam, td); 55124659Sjhay if (error) { 55211819Sjulian splx(s); 55324659Sjhay goto send_release; 55411819Sjulian } 55524659Sjhay } else { 55624659Sjhay if (ipx_nullhost(ipxp->ipxp_faddr)) { 55724659Sjhay error = ENOTCONN; 55824659Sjhay goto send_release; 55924659Sjhay } 56011819Sjulian } 56124659Sjhay error = ipx_output(ipxp, m); 56224659Sjhay m = NULL; 56325652Sjhay if (nam != NULL) { 56424659Sjhay ipx_pcbdisconnect(ipxp); 56524659Sjhay splx(s); 56643712Sjhay ipxp->ipxp_laddr = laddr; 56724659Sjhay } 56811819Sjulian 56924659Sjhaysend_release: 57011819Sjulian if (m != NULL) 57111819Sjulian m_freem(m); 57211819Sjulian return (error); 57311819Sjulian} 57419947Sjhay 57524659Sjhaystatic int 57624659Sjhayipx_shutdown(so) 57724659Sjhay struct socket *so; 57824659Sjhay{ 57924659Sjhay socantsendmore(so); 58024659Sjhay return (0); 58124659Sjhay} 58224659Sjhay 58311819Sjulianint 58424659Sjhayipx_sockaddr(so, nam) 58511819Sjulian struct socket *so; 58628270Swollman struct sockaddr **nam; 58711819Sjulian{ 58811819Sjulian struct ipxpcb *ipxp = sotoipxpcb(so); 58911819Sjulian 590139587Srwatson ipx_setsockaddr(ipxp, nam); 59124659Sjhay return (0); 59224659Sjhay} 59311819Sjulian 59424659Sjhaystatic int 59583366Sjulianripx_attach(so, proto, td) 59624659Sjhay struct socket *so; 59724659Sjhay int proto; 59883366Sjulian struct thread *td; 59924659Sjhay{ 60024659Sjhay int error = 0; 60124659Sjhay int s; 60224659Sjhay struct ipxpcb *ipxp = sotoipxpcb(so); 60311819Sjulian 60493593Sjhb if (td != NULL && (error = suser(td)) != 0) 60525345Sjhay return (error); 60624659Sjhay s = splnet(); 607139444Srwatson error = ipx_pcballoc(so, &ipxrawpcb_list, td); 60824659Sjhay splx(s); 60924659Sjhay if (error) 61024659Sjhay return (error); 61124659Sjhay error = soreserve(so, ipxsendspace, ipxrecvspace); 61224659Sjhay if (error) 61324659Sjhay return (error); 61424659Sjhay ipxp = sotoipxpcb(so); 61524659Sjhay ipxp->ipxp_faddr.x_host = ipx_broadhost; 61624659Sjhay ipxp->ipxp_flags = IPXP_RAWIN | IPXP_RAWOUT; 61711819Sjulian return (error); 61811819Sjulian} 619