diff options
Diffstat (limited to 'mdk-stage1/ppp/modules/if_ppp.c')
| -rw-r--r-- | mdk-stage1/ppp/modules/if_ppp.c | 865 |
1 files changed, 0 insertions, 865 deletions
diff --git a/mdk-stage1/ppp/modules/if_ppp.c b/mdk-stage1/ppp/modules/if_ppp.c deleted file mode 100644 index 14e89eb4a..000000000 --- a/mdk-stage1/ppp/modules/if_ppp.c +++ /dev/null @@ -1,865 +0,0 @@ -/* - * if_ppp.c - a network interface connected to a STREAMS module. - * - * Copyright (c) 1994 The Australian National University. - * All rights reserved. - * - * Permission to use, copy, modify, and distribute this software and its - * documentation is hereby granted, provided that the above copyright - * notice appears in all copies. This software is provided without any - * warranty, express or implied. The Australian National University - * makes no representations about the suitability of this software for - * any purpose. - * - * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY - * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES - * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF - * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS - * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO - * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, - * OR MODIFICATIONS. - * - * $Id$ - */ - -/* - * This file is used under SunOS 4 and Digital UNIX. - * - * This file provides the glue between PPP and IP. - */ - -#define INET 1 - -#include <sys/types.h> -#include <sys/param.h> -#include <sys/errno.h> -#include <sys/mbuf.h> -#include <sys/socket.h> -#include <net/if.h> -#include <net/netisr.h> -#include <net/ppp_defs.h> -#include <net/pppio.h> -#include <netinet/in.h> -#include <netinet/in_var.h> -#ifdef __osf__ -#include <sys/ioctl.h> -#include <net/if_types.h> -#else -#include <sys/sockio.h> -#endif -#include "ppp_mod.h" - -#include <sys/stream.h> - -#ifdef SNIT_SUPPORT -#include <sys/time.h> -#include <net/nit_if.h> -#include <netinet/if_ether.h> -#endif - -#ifdef __osf__ -#define SIOCSIFMTU SIOCSIPMTU -#define SIOCGIFMTU SIOCRIPMTU -#define IFA_ADDR(ifa) (*(ifa)->ifa_addr) -#else -#define IFA_ADDR(ifa) ((ifa)->ifa_addr) -#endif - -#define ifr_mtu ifr_metric - -static int if_ppp_open __P((queue_t *, int, int, int)); -static int if_ppp_close __P((queue_t *, int)); -static int if_ppp_wput __P((queue_t *, mblk_t *)); -static int if_ppp_rput __P((queue_t *, mblk_t *)); - -#define PPP_IF_ID 0x8021 -static struct module_info minfo = { - PPP_IF_ID, "if_ppp", 0, INFPSZ, 4096, 128 -}; - -static struct qinit rinit = { - if_ppp_rput, NULL, if_ppp_open, if_ppp_close, NULL, &minfo, NULL -}; - -static struct qinit winit = { - if_ppp_wput, NULL, NULL, NULL, NULL, &minfo, NULL -}; - -struct streamtab if_pppinfo = { - &rinit, &winit, NULL, NULL -}; - -typedef struct if_ppp_state { - int unit; - queue_t *q; - int flags; -} if_ppp_t; - -/* Values for flags */ -#define DBGLOG 1 - -static int if_ppp_count; /* Number of currently-active streams */ - -static int ppp_nalloc; /* Number of elements of ifs and states */ -static struct ifnet **ifs; /* Array of pointers to interface structs */ -static if_ppp_t **states; /* Array of pointers to state structs */ - -static int if_ppp_output __P((struct ifnet *, struct mbuf *, - struct sockaddr *)); -static int if_ppp_ioctl __P((struct ifnet *, u_int, caddr_t)); -static struct mbuf *make_mbufs __P((mblk_t *, int)); -static mblk_t *make_message __P((struct mbuf *, int)); - -#ifdef SNIT_SUPPORT -/* Fake ether header for SNIT */ -static struct ether_header snit_ehdr = {{0}, {0}, ETHERTYPE_IP}; -#endif - -#ifndef __osf__ -static void ppp_if_detach __P((struct ifnet *)); - -/* - * Detach all the interfaces before unloading. - * Not sure this works. - */ -int -if_ppp_unload() -{ - int i; - - if (if_ppp_count > 0) - return EBUSY; - for (i = 0; i < ppp_nalloc; ++i) - if (ifs[i] != 0) - ppp_if_detach(ifs[i]); - if (ifs) { - FREE(ifs, ppp_nalloc * sizeof (struct ifnet *)); - FREE(states, ppp_nalloc * sizeof (struct if_ppp_t *)); - } - ppp_nalloc = 0; - return 0; -} -#endif /* __osf__ */ - -/* - * STREAMS module entry points. - */ -static int -if_ppp_open(q, dev, flag, sflag) - queue_t *q; - int dev; - int flag, sflag; -{ - if_ppp_t *sp; - - if (q->q_ptr == 0) { - sp = (if_ppp_t *) ALLOC_SLEEP(sizeof (if_ppp_t)); - if (sp == 0) - return OPENFAIL; - bzero(sp, sizeof (if_ppp_t)); - q->q_ptr = (caddr_t) sp; - WR(q)->q_ptr = (caddr_t) sp; - sp->unit = -1; /* no interface unit attached at present */ - sp->q = WR(q); - sp->flags = 0; - ++if_ppp_count; - } - return 0; -} - -static int -if_ppp_close(q, flag) - queue_t *q; - int flag; -{ - if_ppp_t *sp; - struct ifnet *ifp; - - sp = (if_ppp_t *) q->q_ptr; - if (sp != 0) { - if (sp->flags & DBGLOG) - printf("if_ppp closed, q=%x sp=%x\n", q, sp); - if (sp->unit >= 0) { - if (sp->unit < ppp_nalloc) { - states[sp->unit] = 0; - ifp = ifs[sp->unit]; - if (ifp != 0) - ifp->if_flags &= ~(IFF_UP | IFF_RUNNING); -#ifdef DEBUG - } else { - printf("if_ppp: unit %d nonexistent!\n", sp->unit); -#endif - } - } - FREE(sp, sizeof (if_ppp_t)); - --if_ppp_count; - } - return 0; -} - -static int -if_ppp_wput(q, mp) - queue_t *q; - mblk_t *mp; -{ - if_ppp_t *sp; - struct iocblk *iop; - int error, unit; - struct ifnet *ifp; - - sp = (if_ppp_t *) q->q_ptr; - switch (mp->b_datap->db_type) { - case M_DATA: - /* - * Now why would we be getting data coming in here?? - */ - if (sp->flags & DBGLOG) - printf("if_ppp: got M_DATA len=%d\n", msgdsize(mp)); - freemsg(mp); - break; - - case M_IOCTL: - iop = (struct iocblk *) mp->b_rptr; - error = EINVAL; - - if (sp->flags & DBGLOG) - printf("if_ppp: got ioctl cmd=%x count=%d\n", - iop->ioc_cmd, iop->ioc_count); - - switch (iop->ioc_cmd) { - case PPPIO_NEWPPA: /* well almost */ - if (iop->ioc_count != sizeof(int) || sp->unit >= 0) - break; - if ((error = NOTSUSER()) != 0) - break; - unit = *(int *)mp->b_cont->b_rptr; - - /* Check that this unit isn't already in use */ - if (unit < ppp_nalloc && states[unit] != 0) { - error = EADDRINUSE; - break; - } - - /* Extend ifs and states arrays if necessary. */ - error = ENOSR; - if (unit >= ppp_nalloc) { - int newn; - struct ifnet **newifs; - if_ppp_t **newstates; - - newn = unit + 4; - if (sp->flags & DBGLOG) - printf("if_ppp: extending ifs to %d\n", newn); - newifs = (struct ifnet **) - ALLOC_NOSLEEP(newn * sizeof (struct ifnet *)); - if (newifs == 0) - break; - bzero(newifs, newn * sizeof (struct ifnet *)); - newstates = (if_ppp_t **) - ALLOC_NOSLEEP(newn * sizeof (struct if_ppp_t *)); - if (newstates == 0) { - FREE(newifs, newn * sizeof (struct ifnet *)); - break; - } - bzero(newstates, newn * sizeof (struct if_ppp_t *)); - bcopy(ifs, newifs, ppp_nalloc * sizeof(struct ifnet *)); - bcopy(states, newstates, ppp_nalloc * sizeof(if_ppp_t *)); - if (ifs) { - FREE(ifs, ppp_nalloc * sizeof(struct ifnet *)); - FREE(states, ppp_nalloc * sizeof(if_ppp_t *)); - } - ifs = newifs; - states = newstates; - ppp_nalloc = newn; - } - - /* Allocate a new ifnet struct if necessary. */ - ifp = ifs[unit]; - if (ifp == 0) { - ifp = (struct ifnet *) ALLOC_NOSLEEP(sizeof (struct ifnet)); - if (ifp == 0) - break; - bzero(ifp, sizeof (struct ifnet)); - ifs[unit] = ifp; - ifp->if_name = "ppp"; - ifp->if_unit = unit; - ifp->if_mtu = PPP_MTU; - ifp->if_flags = IFF_POINTOPOINT | IFF_RUNNING; -#ifndef __osf__ -#ifdef IFF_MULTICAST - ifp->if_flags |= IFF_MULTICAST; -#endif -#endif /* __osf__ */ - ifp->if_output = if_ppp_output; -#ifdef __osf__ - ifp->if_version = "Point-to-Point Protocol, version 2.3.11"; - ifp->if_mediamtu = PPP_MTU; - ifp->if_type = IFT_PPP; - ifp->if_hdrlen = PPP_HDRLEN; - ifp->if_addrlen = 0; - ifp->if_flags |= IFF_NOARP | IFF_SIMPLEX | IFF_NOTRAILERS; -#ifdef IFF_VAR_MTU - ifp->if_flags |= IFF_VAR_MTU; -#endif -#ifdef NETMASTERCPU - ifp->if_affinity = NETMASTERCPU; -#endif -#endif - ifp->if_ioctl = if_ppp_ioctl; - ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; - if_attach(ifp); - if (sp->flags & DBGLOG) - printf("if_ppp: created unit %d\n", unit); - } else { - ifp->if_mtu = PPP_MTU; - ifp->if_flags |= IFF_RUNNING; - } - - states[unit] = sp; - sp->unit = unit; - - error = 0; - iop->ioc_count = 0; - if (sp->flags & DBGLOG) - printf("if_ppp: attached unit %d, sp=%x q=%x\n", unit, - sp, sp->q); - break; - - case PPPIO_DEBUG: - error = -1; - if (iop->ioc_count == sizeof(int)) { - if (*(int *)mp->b_cont->b_rptr == PPPDBG_LOG + PPPDBG_IF) { - printf("if_ppp: debug log enabled, q=%x sp=%x\n", q, sp); - sp->flags |= DBGLOG; - error = 0; - iop->ioc_count = 0; - } - } - break; - - default: - error = -1; - break; - } - - if (sp->flags & DBGLOG) - printf("if_ppp: ioctl result %d\n", error); - if (error < 0) - putnext(q, mp); - else if (error == 0) { - mp->b_datap->db_type = M_IOCACK; - qreply(q, mp); - } else { - mp->b_datap->db_type = M_IOCNAK; - iop->ioc_count = 0; - iop->ioc_error = error; - qreply(q, mp); - } - break; - - default: - putnext(q, mp); - } - return 0; -} - -static int -if_ppp_rput(q, mp) - queue_t *q; - mblk_t *mp; -{ - if_ppp_t *sp; - int proto, s; - struct mbuf *mb; - struct ifqueue *inq; - struct ifnet *ifp; - int len; - - sp = (if_ppp_t *) q->q_ptr; - switch (mp->b_datap->db_type) { - case M_DATA: - /* - * Convert the message into an mbuf chain - * and inject it into the network code. - */ - if (sp->flags & DBGLOG) - printf("if_ppp: rput pkt len %d data %x %x %x %x %x %x %x %x\n", - msgdsize(mp), mp->b_rptr[0], mp->b_rptr[1], mp->b_rptr[2], - mp->b_rptr[3], mp->b_rptr[4], mp->b_rptr[5], mp->b_rptr[6], - mp->b_rptr[7]); - - if (sp->unit < 0) { - freemsg(mp); - break; - } - if (sp->unit >= ppp_nalloc || (ifp = ifs[sp->unit]) == 0) { -#ifdef DEBUG - printf("if_ppp: no unit %d!\n", sp->unit); -#endif - freemsg(mp); - break; - } - - if ((ifp->if_flags & IFF_UP) == 0) { - freemsg(mp); - break; - } - ++ifp->if_ipackets; - - proto = PPP_PROTOCOL(mp->b_rptr); - adjmsg(mp, PPP_HDRLEN); - len = msgdsize(mp); - mb = make_mbufs(mp, sizeof(struct ifnet *)); - freemsg(mp); - if (mb == NULL) { - if (sp->flags & DBGLOG) - printf("if_ppp%d: make_mbufs failed\n", ifp->if_unit); - ++ifp->if_ierrors; - break; - } - -#ifdef SNIT_SUPPORT - if (proto == PPP_IP && (ifp->if_flags & IFF_PROMISC)) { - struct nit_if nif; - - nif.nif_header = (caddr_t) &snit_ehdr; - nif.nif_hdrlen = sizeof(snit_ehdr); - nif.nif_bodylen = len; - nif.nif_promisc = 0; - snit_intr(ifp, mb, &nif); - } -#endif - -/* - * For Digital UNIX, there's space set aside in the header mbuf - * for the interface info. - * - * For Sun it's smuggled around via a pointer at the front of the mbuf. - */ -#ifdef __osf__ - mb->m_pkthdr.rcvif = ifp; - mb->m_pkthdr.len = len; -#else - mb->m_off -= sizeof(struct ifnet *); - mb->m_len += sizeof(struct ifnet *); - *mtod(mb, struct ifnet **) = ifp; -#endif - - inq = 0; - switch (proto) { - case PPP_IP: - inq = &ipintrq; - schednetisr(NETISR_IP); - } - - if (inq != 0) { - s = splhigh(); - if (IF_QFULL(inq)) { - IF_DROP(inq); - ++ifp->if_ierrors; - if (sp->flags & DBGLOG) - printf("if_ppp: inq full, proto=%x\n", proto); - m_freem(mb); - } else { - IF_ENQUEUE(inq, mb); - } - splx(s); - } else { - if (sp->flags & DBGLOG) - printf("if_ppp%d: proto=%x?\n", ifp->if_unit, proto); - ++ifp->if_ierrors; - m_freem(mb); - } - break; - - default: - putnext(q, mp); - } - return 0; -} - -/* - * Network code wants to output a packet. - * Turn it into a STREAMS message and send it down. - */ -static int -if_ppp_output(ifp, m0, dst) - struct ifnet *ifp; - struct mbuf *m0; - struct sockaddr *dst; -{ - mblk_t *mp; - int proto, s; - if_ppp_t *sp; - u_char *p; - - if ((ifp->if_flags & IFF_UP) == 0) { - m_freem(m0); - return ENETDOWN; - } - - if ((unsigned)ifp->if_unit >= ppp_nalloc) { -#ifdef DEBUG - printf("if_ppp_output: unit %d?\n", ifp->if_unit); -#endif - m_freem(m0); - return EINVAL; - } - sp = states[ifp->if_unit]; - if (sp == 0) { -#ifdef DEBUG - printf("if_ppp_output: no queue?\n"); -#endif - m_freem(m0); - return ENETDOWN; - } - - if (sp->flags & DBGLOG) { - p = mtod(m0, u_char *); - printf("if_ppp_output%d: af=%d data=%x %x %x %x %x %x %x %x q=%x\n", - ifp->if_unit, dst->sa_family, p[0], p[1], p[2], p[3], p[4], - p[5], p[6], p[7], sp->q); - } - - switch (dst->sa_family) { - case AF_INET: - proto = PPP_IP; -#ifdef SNIT_SUPPORT - if (ifp->if_flags & IFF_PROMISC) { - struct nit_if nif; - struct mbuf *m; - int len; - - for (len = 0, m = m0; m != NULL; m = m->m_next) - len += m->m_len; - nif.nif_header = (caddr_t) &snit_ehdr; - nif.nif_hdrlen = sizeof(snit_ehdr); - nif.nif_bodylen = len; - nif.nif_promisc = 0; - snit_intr(ifp, m0, &nif); - } -#endif - break; - - default: - m_freem(m0); - return EAFNOSUPPORT; - } - - ++ifp->if_opackets; - mp = make_message(m0, PPP_HDRLEN); - m_freem(m0); - if (mp == 0) { - ++ifp->if_oerrors; - return ENOBUFS; - } - mp->b_rptr -= PPP_HDRLEN; - mp->b_rptr[0] = PPP_ALLSTATIONS; - mp->b_rptr[1] = PPP_UI; - mp->b_rptr[2] = proto >> 8; - mp->b_rptr[3] = proto; - - s = splstr(); - if (sp->flags & DBGLOG) - printf("if_ppp: putnext(%x, %x), r=%x w=%x p=%x\n", - sp->q, mp, mp->b_rptr, mp->b_wptr, proto); - putnext(sp->q, mp); - splx(s); - - return 0; -} - -/* - * Socket ioctl routine for ppp interfaces. - */ -static int -if_ppp_ioctl(ifp, cmd, data) - struct ifnet *ifp; - u_int cmd; - caddr_t data; -{ - int s, error; - struct ifreq *ifr = (struct ifreq *) data; - struct ifaddr *ifa = (struct ifaddr *) data; - u_short mtu; - - error = 0; - s = splimp(); - switch (cmd) { - case SIOCSIFFLAGS: - if ((ifp->if_flags & IFF_RUNNING) == 0) - ifp->if_flags &= ~IFF_UP; - break; - - case SIOCSIFADDR: - if (IFA_ADDR(ifa).sa_family != AF_INET) - error = EAFNOSUPPORT; - break; - - case SIOCSIFDSTADDR: - if (IFA_ADDR(ifa).sa_family != AF_INET) - error = EAFNOSUPPORT; - break; - - case SIOCSIFMTU: - if ((error = NOTSUSER()) != 0) - break; -#ifdef __osf__ - /* this hack is necessary because ifioctl checks ifr_data - * in 4.0 and 5.0, but ifr_data and ifr_metric overlay each - * other in the definition of struct ifreq so pppd can't set both. - */ - bcopy(ifr->ifr_data, &mtu, sizeof (u_short)); - ifr->ifr_mtu = mtu; -#endif - - if (ifr->ifr_mtu < PPP_MINMTU || ifr->ifr_mtu > PPP_MAXMTU) { - error = EINVAL; - break; - } - ifp->if_mtu = ifr->ifr_mtu; - break; - - case SIOCGIFMTU: - ifr->ifr_mtu = ifp->if_mtu; - break; - - case SIOCADDMULTI: - case SIOCDELMULTI: - switch(ifr->ifr_addr.sa_family) { - case AF_INET: - break; - default: - error = EAFNOSUPPORT; - break; - } - break; - - default: - error = EINVAL; - } - splx(s); - return (error); -} - -/* - * Turn a STREAMS message into an mbuf chain. - */ -static struct mbuf * -make_mbufs(mp, off) - mblk_t *mp; - int off; -{ - struct mbuf *head, **prevp, *m; - int len, space, n; - unsigned char *cp, *dp; - - len = msgdsize(mp); - if (len == 0) - return 0; - prevp = &head; - space = 0; - cp = mp->b_rptr; -#ifdef __osf__ - MGETHDR(m, M_DONTWAIT, MT_DATA); - m->m_len = 0; - space = MHLEN; - *prevp = m; - prevp = &m->m_next; - dp = mtod(m, unsigned char *); - len -= space; - off = 0; -#endif - for (;;) { - while (cp >= mp->b_wptr) { - mp = mp->b_cont; - if (mp == 0) { - *prevp = 0; - return head; - } - cp = mp->b_rptr; - } - n = mp->b_wptr - cp; - if (space == 0) { - MGET(m, M_DONTWAIT, MT_DATA); - *prevp = m; - if (m == 0) { - if (head != 0) - m_freem(head); - return 0; - } - if (len + off > 2 * MLEN) { -#ifdef __osf__ - MCLGET(m, M_DONTWAIT); -#else - MCLGET(m); -#endif - } -#ifdef __osf__ - space = ((m->m_flags & M_EXT) ? MCLBYTES : MLEN); -#else - space = (m->m_off > MMAXOFF? MCLBYTES: MLEN) - off; - m->m_off += off; -#endif - m->m_len = 0; - len -= space; - dp = mtod(m, unsigned char *); - off = 0; - prevp = &m->m_next; - } - if (n > space) - n = space; - bcopy(cp, dp, n); - cp += n; - dp += n; - space -= n; - m->m_len += n; - } -} - -/* - * Turn an mbuf chain into a STREAMS message. - */ -#define ALLOCB_MAX 4096 - -static mblk_t * -make_message(m, off) - struct mbuf *m; - int off; -{ - mblk_t *head, **prevp, *mp; - int len, space, n, nb; - unsigned char *cp, *dp; - struct mbuf *nm; - - len = 0; - for (nm = m; nm != 0; nm = nm->m_next) - len += nm->m_len; - prevp = &head; - space = 0; - cp = mtod(m, unsigned char *); - nb = m->m_len; - for (;;) { - while (nb <= 0) { - m = m->m_next; - if (m == 0) { - *prevp = 0; - return head; - } - cp = mtod(m, unsigned char *); - nb = m->m_len; - } - if (space == 0) { - space = len + off; - if (space > ALLOCB_MAX) - space = ALLOCB_MAX; - mp = allocb(space, BPRI_LO); - *prevp = mp; - if (mp == 0) { - if (head != 0) - freemsg(head); - return 0; - } - dp = mp->b_rptr += off; - space -= off; - len -= space; - off = 0; - prevp = &mp->b_cont; - } - n = nb < space? nb: space; - bcopy(cp, dp, n); - cp += n; - dp += n; - nb -= n; - space -= n; - mp->b_wptr = dp; - } -} - -/* - * Digital UNIX doesn't allow for removing ifnet structures - * from the list. But then we're not using this as a loadable - * module anyway, so that's OK. - * - * Under SunOS, this should allow the module to be unloaded. - * Unfortunately, it doesn't seem to detach all the references, - * so your system may well crash after you unload this module :-( - */ -#ifndef __osf__ - -/* - * Remove an interface from the system. - * This routine contains magic. - */ -#include <net/route.h> -#include <netinet/in_pcb.h> -#include <netinet/ip_var.h> -#include <netinet/tcp.h> -#include <netinet/tcp_timer.h> -#include <netinet/tcp_var.h> -#include <netinet/udp.h> -#include <netinet/udp_var.h> - -static void -ppp_if_detach(ifp) - struct ifnet *ifp; -{ - int s; - struct inpcb *pcb; - struct ifaddr *ifa; - struct in_ifaddr **inap; - struct ifnet **ifpp; - - s = splhigh(); - - /* - * Clear the interface from any routes currently cached in - * TCP or UDP protocol control blocks. - */ - for (pcb = tcb.inp_next; pcb != &tcb; pcb = pcb->inp_next) - if (pcb->inp_route.ro_rt && pcb->inp_route.ro_rt->rt_ifp == ifp) - in_losing(pcb); - for (pcb = udb.inp_next; pcb != &udb; pcb = pcb->inp_next) - if (pcb->inp_route.ro_rt && pcb->inp_route.ro_rt->rt_ifp == ifp) - in_losing(pcb); - - /* - * Delete routes through all addresses of the interface. - */ - for (ifa = ifp->if_addrlist; ifa != 0; ifa = ifa->ifa_next) { - rtinit(ifa, ifa, SIOCDELRT, RTF_HOST); - rtinit(ifa, ifa, SIOCDELRT, 0); - } - - /* - * Unlink the interface's address(es) from the in_ifaddr list. - */ - for (inap = &in_ifaddr; *inap != 0; ) { - if ((*inap)->ia_ifa.ifa_ifp == ifp) - *inap = (*inap)->ia_next; - else - inap = &(*inap)->ia_next; - } - - /* - * Delete the interface from the ifnet list. - */ - for (ifpp = &ifnet; (*ifpp) != 0; ) { - if (*ifpp == ifp) - break; - ifpp = &(*ifpp)->if_next; - } - if (*ifpp == 0) - printf("couldn't find interface ppp%d in ifnet list\n", ifp->if_unit); - else - *ifpp = ifp->if_next; - - splx(s); -} - -#endif /* __osf__ */ |