/*
|
/*
|
* Copyright (c) 1982, 1989, 1993
|
* Copyright (c) 1982, 1989, 1993
|
* The Regents of the University of California. All rights reserved.
|
* The Regents of the University of California. All rights reserved.
|
*
|
*
|
* Redistribution and use in source and binary forms, with or without
|
* Redistribution and use in source and binary forms, with or without
|
* modification, are permitted provided that the following conditions
|
* modification, are permitted provided that the following conditions
|
* are met:
|
* are met:
|
* 1. Redistributions of source code must retain the above copyright
|
* 1. Redistributions of source code must retain the above copyright
|
* notice, this list of conditions and the following disclaimer.
|
* notice, this list of conditions and the following disclaimer.
|
* 2. Redistributions in binary form must reproduce the above copyright
|
* 2. Redistributions in binary form must reproduce the above copyright
|
* notice, this list of conditions and the following disclaimer in the
|
* notice, this list of conditions and the following disclaimer in the
|
* documentation and/or other materials provided with the distribution.
|
* documentation and/or other materials provided with the distribution.
|
* 3. All advertising materials mentioning features or use of this software
|
* 3. All advertising materials mentioning features or use of this software
|
* must display the following acknowledgement:
|
* must display the following acknowledgement:
|
* This product includes software developed by the University of
|
* This product includes software developed by the University of
|
* California, Berkeley and its contributors.
|
* California, Berkeley and its contributors.
|
* 4. Neither the name of the University nor the names of 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
|
* may be used to endorse or promote products derived from this software
|
* without specific prior written permission.
|
* without specific prior written permission.
|
*
|
*
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
* 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
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
* SUCH DAMAGE.
|
* SUCH DAMAGE.
|
*
|
*
|
* @(#)if_ethersubr.c 8.1 (Berkeley) 6/10/93
|
* @(#)if_ethersubr.c 8.1 (Berkeley) 6/10/93
|
* $Id: if_ethersubr.c,v 1.2 2001-09-27 12:01:54 chris Exp $
|
* $Id: if_ethersubr.c,v 1.2 2001-09-27 12:01:54 chris Exp $
|
*/
|
*/
|
|
|
#include <sys/param.h>
|
#include <sys/param.h>
|
#include <sys/systm.h>
|
#include <sys/systm.h>
|
#include <sys/kernel.h>
|
#include <sys/kernel.h>
|
#include <sys/malloc.h>
|
#include <sys/malloc.h>
|
#include <sys/mbuf.h>
|
#include <sys/mbuf.h>
|
#include <sys/protosw.h>
|
#include <sys/protosw.h>
|
#include <sys/socket.h>
|
#include <sys/socket.h>
|
#include <sys/ioctl.h>
|
#include <sys/ioctl.h>
|
#include <sys/errno.h>
|
#include <sys/errno.h>
|
#include <sys/syslog.h>
|
#include <sys/syslog.h>
|
#include <sys/sysctl.h>
|
#include <sys/sysctl.h>
|
|
|
#include <net/if.h>
|
#include <net/if.h>
|
#include <net/netisr.h>
|
#include <net/netisr.h>
|
#include <net/route.h>
|
#include <net/route.h>
|
#include <net/if_llc.h>
|
#include <net/if_llc.h>
|
#include <net/if_dl.h>
|
#include <net/if_dl.h>
|
#include <net/if_types.h>
|
#include <net/if_types.h>
|
#include <net/ethernet.h>
|
#include <net/ethernet.h>
|
|
|
#ifdef INET
|
#ifdef INET
|
#include <netinet/in.h>
|
#include <netinet/in.h>
|
#include <netinet/in_var.h>
|
#include <netinet/in_var.h>
|
#endif
|
#endif
|
#include <netinet/if_ether.h>
|
#include <netinet/if_ether.h>
|
|
|
#ifdef IPX
|
#ifdef IPX
|
#include <netipx/ipx.h>
|
#include <netipx/ipx.h>
|
#include <netipx/ipx_if.h>
|
#include <netipx/ipx_if.h>
|
#endif
|
#endif
|
|
|
#ifdef NS
|
#ifdef NS
|
#include <netns/ns.h>
|
#include <netns/ns.h>
|
#include <netns/ns_if.h>
|
#include <netns/ns_if.h>
|
ushort ns_nettype;
|
ushort ns_nettype;
|
int ether_outputdebug = 0;
|
int ether_outputdebug = 0;
|
int ether_inputdebug = 0;
|
int ether_inputdebug = 0;
|
#endif
|
#endif
|
|
|
#ifdef ISO
|
#ifdef ISO
|
#include <netiso/argo_debug.h>
|
#include <netiso/argo_debug.h>
|
#include <netiso/iso.h>
|
#include <netiso/iso.h>
|
#include <netiso/iso_var.h>
|
#include <netiso/iso_var.h>
|
#include <netiso/iso_snpac.h>
|
#include <netiso/iso_snpac.h>
|
#endif
|
#endif
|
|
|
/*#ifdef LLC
|
/*#ifdef LLC
|
#include <netccitt/dll.h>
|
#include <netccitt/dll.h>
|
#include <netccitt/llc_var.h>
|
#include <netccitt/llc_var.h>
|
#endif*/
|
#endif*/
|
|
|
#if defined(LLC) && defined(CCITT)
|
#if defined(LLC) && defined(CCITT)
|
extern struct ifqueue pkintrq;
|
extern struct ifqueue pkintrq;
|
#endif
|
#endif
|
|
|
#ifdef NETATALK
|
#ifdef NETATALK
|
#include <netatalk/at.h>
|
#include <netatalk/at.h>
|
#include <netatalk/at_var.h>
|
#include <netatalk/at_var.h>
|
#include <netatalk/at_extern.h>
|
#include <netatalk/at_extern.h>
|
|
|
#define llc_snap_org_code llc_un.type_snap.org_code
|
#define llc_snap_org_code llc_un.type_snap.org_code
|
#define llc_snap_ether_type llc_un.type_snap.ether_type
|
#define llc_snap_ether_type llc_un.type_snap.ether_type
|
|
|
extern u_char at_org_code[ 3 ];
|
extern u_char at_org_code[ 3 ];
|
extern u_char aarp_org_code[ 3 ];
|
extern u_char aarp_org_code[ 3 ];
|
#endif NETATALK
|
#endif NETATALK
|
|
|
u_char etherbroadcastaddr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
|
u_char etherbroadcastaddr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
|
#define senderr(e) { error = (e); goto bad;}
|
#define senderr(e) { error = (e); goto bad;}
|
|
|
/*
|
/*
|
* Ethernet output routine.
|
* Ethernet output routine.
|
* Encapsulate a packet of type family for the local net.
|
* Encapsulate a packet of type family for the local net.
|
* Use trailer local net encapsulation if enough data in first
|
* Use trailer local net encapsulation if enough data in first
|
* packet leaves a multiple of 512 bytes of data in remainder.
|
* packet leaves a multiple of 512 bytes of data in remainder.
|
* Assumes that ifp is actually pointer to arpcom structure.
|
* Assumes that ifp is actually pointer to arpcom structure.
|
*/
|
*/
|
int
|
int
|
ether_output(ifp, m0, dst, rt0)
|
ether_output(ifp, m0, dst, rt0)
|
register struct ifnet *ifp;
|
register struct ifnet *ifp;
|
struct mbuf *m0;
|
struct mbuf *m0;
|
struct sockaddr *dst;
|
struct sockaddr *dst;
|
struct rtentry *rt0;
|
struct rtentry *rt0;
|
{
|
{
|
short type;
|
short type;
|
int s, error = 0;
|
int s, error = 0;
|
#ifdef NS
|
#ifdef NS
|
u_char *cp
|
u_char *cp
|
register struct ifqueue *inq;
|
register struct ifqueue *inq;
|
register struct mbuf *m2;
|
register struct mbuf *m2;
|
#endif
|
#endif
|
u_char edst[6];
|
u_char edst[6];
|
register struct mbuf *m = m0;
|
register struct mbuf *m = m0;
|
register struct rtentry *rt;
|
register struct rtentry *rt;
|
struct mbuf *mcopy = (struct mbuf *)0;
|
struct mbuf *mcopy = (struct mbuf *)0;
|
register struct ether_header *eh;
|
register struct ether_header *eh;
|
int off, len = m->m_pkthdr.len;
|
int off, len = m->m_pkthdr.len;
|
struct arpcom *ac = (struct arpcom *)ifp;
|
struct arpcom *ac = (struct arpcom *)ifp;
|
#ifdef NETATALK
|
#ifdef NETATALK
|
struct at_ifaddr *aa;
|
struct at_ifaddr *aa;
|
#endif NETATALK
|
#endif NETATALK
|
|
|
if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
|
if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
|
senderr(ENETDOWN);
|
senderr(ENETDOWN);
|
rt = rt0;
|
rt = rt0;
|
if (rt) {
|
if (rt) {
|
if ((rt->rt_flags & RTF_UP) == 0) {
|
if ((rt->rt_flags & RTF_UP) == 0) {
|
rt0 = rt = rtalloc1(dst, 1, 0UL);
|
rt0 = rt = rtalloc1(dst, 1, 0UL);
|
if (rt0)
|
if (rt0)
|
rt->rt_refcnt--;
|
rt->rt_refcnt--;
|
else
|
else
|
senderr(EHOSTUNREACH);
|
senderr(EHOSTUNREACH);
|
}
|
}
|
if (rt->rt_flags & RTF_GATEWAY) {
|
if (rt->rt_flags & RTF_GATEWAY) {
|
if (rt->rt_gwroute == 0)
|
if (rt->rt_gwroute == 0)
|
goto lookup;
|
goto lookup;
|
if (((rt = rt->rt_gwroute)->rt_flags & RTF_UP) == 0) {
|
if (((rt = rt->rt_gwroute)->rt_flags & RTF_UP) == 0) {
|
rtfree(rt); rt = rt0;
|
rtfree(rt); rt = rt0;
|
lookup: rt->rt_gwroute = rtalloc1(rt->rt_gateway, 1,
|
lookup: rt->rt_gwroute = rtalloc1(rt->rt_gateway, 1,
|
0UL);
|
0UL);
|
if ((rt = rt->rt_gwroute) == 0)
|
if ((rt = rt->rt_gwroute) == 0)
|
senderr(EHOSTUNREACH);
|
senderr(EHOSTUNREACH);
|
}
|
}
|
}
|
}
|
if (rt->rt_flags & RTF_REJECT)
|
if (rt->rt_flags & RTF_REJECT)
|
if (rt->rt_rmx.rmx_expire == 0 ||
|
if (rt->rt_rmx.rmx_expire == 0 ||
|
rtems_bsdnet_seconds_since_boot() < rt->rt_rmx.rmx_expire)
|
rtems_bsdnet_seconds_since_boot() < rt->rt_rmx.rmx_expire)
|
senderr(rt == rt0 ? EHOSTDOWN : EHOSTUNREACH);
|
senderr(rt == rt0 ? EHOSTDOWN : EHOSTUNREACH);
|
}
|
}
|
switch (dst->sa_family) {
|
switch (dst->sa_family) {
|
|
|
#ifdef INET
|
#ifdef INET
|
case AF_INET:
|
case AF_INET:
|
if (!arpresolve(ac, rt, m, dst, edst, rt0))
|
if (!arpresolve(ac, rt, m, dst, edst, rt0))
|
return (0); /* if not yet resolved */
|
return (0); /* if not yet resolved */
|
/* If broadcasting on a simplex interface, loopback a copy */
|
/* If broadcasting on a simplex interface, loopback a copy */
|
if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX))
|
if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX))
|
mcopy = m_copy(m, 0, (int)M_COPYALL);
|
mcopy = m_copy(m, 0, (int)M_COPYALL);
|
off = m->m_pkthdr.len - m->m_len;
|
off = m->m_pkthdr.len - m->m_len;
|
type = htons(ETHERTYPE_IP);
|
type = htons(ETHERTYPE_IP);
|
break;
|
break;
|
#endif
|
#endif
|
#ifdef IPX
|
#ifdef IPX
|
case AF_IPX:
|
case AF_IPX:
|
{
|
{
|
struct ifaddr *ia;
|
struct ifaddr *ia;
|
|
|
type = htons(ETHERTYPE_IPX);
|
type = htons(ETHERTYPE_IPX);
|
bcopy((caddr_t)&(((struct sockaddr_ipx *)dst)->sipx_addr.x_host),
|
bcopy((caddr_t)&(((struct sockaddr_ipx *)dst)->sipx_addr.x_host),
|
(caddr_t)edst, sizeof (edst));
|
(caddr_t)edst, sizeof (edst));
|
for (ia = ifp->if_addrlist; ia != NULL; ia = ia->ifa_next)
|
for (ia = ifp->if_addrlist; ia != NULL; ia = ia->ifa_next)
|
if(ia->ifa_addr->sa_family == AF_IPX &&
|
if(ia->ifa_addr->sa_family == AF_IPX &&
|
!bcmp((caddr_t)edst,
|
!bcmp((caddr_t)edst,
|
(caddr_t)&((struct ipx_ifaddr *)ia)->ia_addr.sipx_addr.x_host,
|
(caddr_t)&((struct ipx_ifaddr *)ia)->ia_addr.sipx_addr.x_host,
|
sizeof(edst)))
|
sizeof(edst)))
|
return (looutput(ifp, m, dst, rt));
|
return (looutput(ifp, m, dst, rt));
|
/* If broadcasting on a simplex interface, loopback a copy */
|
/* If broadcasting on a simplex interface, loopback a copy */
|
if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX))
|
if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX))
|
mcopy = m_copy(m, 0, (int)M_COPYALL);
|
mcopy = m_copy(m, 0, (int)M_COPYALL);
|
break;
|
break;
|
}
|
}
|
#endif
|
#endif
|
#ifdef NETATALK
|
#ifdef NETATALK
|
case AF_APPLETALK:
|
case AF_APPLETALK:
|
{
|
{
|
struct sockaddr_at *sat = (struct sockaddr_at *)dst;
|
struct sockaddr_at *sat = (struct sockaddr_at *)dst;
|
|
|
/*
|
/*
|
* super hack..
|
* super hack..
|
* Most of this loopback code should move into the appletalk
|
* Most of this loopback code should move into the appletalk
|
* code, but it's here for now.. remember to move it! [JRE]
|
* code, but it's here for now.. remember to move it! [JRE]
|
* This may not get the same interface we started with
|
* This may not get the same interface we started with
|
* fix asap. XXX
|
* fix asap. XXX
|
*/
|
*/
|
aa = at_ifawithnet( sat );
|
aa = at_ifawithnet( sat );
|
if (aa == NULL) {
|
if (aa == NULL) {
|
goto bad;
|
goto bad;
|
}
|
}
|
if( aa->aa_ifa.ifa_ifp != ifp ) {
|
if( aa->aa_ifa.ifa_ifp != ifp ) {
|
(*aa->aa_ifa.ifa_ifp->if_output)(aa->aa_ifa.ifa_ifp,
|
(*aa->aa_ifa.ifa_ifp->if_output)(aa->aa_ifa.ifa_ifp,
|
m,dst,rt);
|
m,dst,rt);
|
}
|
}
|
if (((sat->sat_addr.s_net == ATADDR_ANYNET)
|
if (((sat->sat_addr.s_net == ATADDR_ANYNET)
|
&& (sat->sat_addr.s_node == ATADDR_ANYNODE))
|
&& (sat->sat_addr.s_node == ATADDR_ANYNODE))
|
|| ((sat->sat_addr.s_net == aa->aa_addr.sat_addr.s_net )
|
|| ((sat->sat_addr.s_net == aa->aa_addr.sat_addr.s_net )
|
&& (sat->sat_addr.s_node == aa->aa_addr.sat_addr.s_node))) {
|
&& (sat->sat_addr.s_node == aa->aa_addr.sat_addr.s_node))) {
|
(void) looutput(ifp, m, dst, rt);
|
(void) looutput(ifp, m, dst, rt);
|
return(0);
|
return(0);
|
}
|
}
|
|
|
if (!aarpresolve(ac, m, (struct sockaddr_at *)dst, edst)) {
|
if (!aarpresolve(ac, m, (struct sockaddr_at *)dst, edst)) {
|
#ifdef NETATALKDEBUG
|
#ifdef NETATALKDEBUG
|
extern char *prsockaddr(struct sockaddr *);
|
extern char *prsockaddr(struct sockaddr *);
|
printf("aarpresolv: failed for %s\n", prsockaddr(dst));
|
printf("aarpresolv: failed for %s\n", prsockaddr(dst));
|
#endif NETATALKDEBUG
|
#endif NETATALKDEBUG
|
return (0);
|
return (0);
|
}
|
}
|
|
|
/*
|
/*
|
* If broadcasting on a simplex interface, loopback a copy
|
* If broadcasting on a simplex interface, loopback a copy
|
*/
|
*/
|
if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX))
|
if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX))
|
mcopy = m_copy(m, 0, (int)M_COPYALL);
|
mcopy = m_copy(m, 0, (int)M_COPYALL);
|
}
|
}
|
/*
|
/*
|
* In the phase 2 case, we need to prepend an mbuf for the llc header.
|
* In the phase 2 case, we need to prepend an mbuf for the llc header.
|
* Since we must preserve the value of m, which is passed to us by
|
* Since we must preserve the value of m, which is passed to us by
|
* value, we m_copy() the first mbuf, and use it for our llc header.
|
* value, we m_copy() the first mbuf, and use it for our llc header.
|
*/
|
*/
|
if ( aa->aa_flags & AFA_PHASE2 ) {
|
if ( aa->aa_flags & AFA_PHASE2 ) {
|
struct llc llc;
|
struct llc llc;
|
|
|
M_PREPEND(m, sizeof(struct llc), M_WAIT);
|
M_PREPEND(m, sizeof(struct llc), M_WAIT);
|
len += sizeof(struct llc);
|
len += sizeof(struct llc);
|
llc.llc_dsap = llc.llc_ssap = LLC_SNAP_LSAP;
|
llc.llc_dsap = llc.llc_ssap = LLC_SNAP_LSAP;
|
llc.llc_control = LLC_UI;
|
llc.llc_control = LLC_UI;
|
bcopy(at_org_code, llc.llc_snap_org_code, sizeof(at_org_code));
|
bcopy(at_org_code, llc.llc_snap_org_code, sizeof(at_org_code));
|
llc.llc_snap_ether_type = htons( ETHERTYPE_AT );
|
llc.llc_snap_ether_type = htons( ETHERTYPE_AT );
|
bcopy(&llc, mtod(m, caddr_t), sizeof(struct llc));
|
bcopy(&llc, mtod(m, caddr_t), sizeof(struct llc));
|
type = htons(m->m_pkthdr.len);
|
type = htons(m->m_pkthdr.len);
|
} else {
|
} else {
|
type = htons(ETHERTYPE_AT);
|
type = htons(ETHERTYPE_AT);
|
}
|
}
|
break;
|
break;
|
#endif NETATALK
|
#endif NETATALK
|
#ifdef NS
|
#ifdef NS
|
case AF_NS:
|
case AF_NS:
|
switch(ns_nettype){
|
switch(ns_nettype){
|
default:
|
default:
|
case 0x8137: /* Novell Ethernet_II Ethernet TYPE II */
|
case 0x8137: /* Novell Ethernet_II Ethernet TYPE II */
|
type = 0x8137;
|
type = 0x8137;
|
break;
|
break;
|
case 0x0: /* Novell 802.3 */
|
case 0x0: /* Novell 802.3 */
|
type = htons( m->m_pkthdr.len);
|
type = htons( m->m_pkthdr.len);
|
break;
|
break;
|
case 0xe0e0: /* Novell 802.2 and Token-Ring */
|
case 0xe0e0: /* Novell 802.2 and Token-Ring */
|
M_PREPEND(m, 3, M_WAIT);
|
M_PREPEND(m, 3, M_WAIT);
|
type = htons( m->m_pkthdr.len);
|
type = htons( m->m_pkthdr.len);
|
cp = mtod(m, u_char *);
|
cp = mtod(m, u_char *);
|
*cp++ = 0xE0;
|
*cp++ = 0xE0;
|
*cp++ = 0xE0;
|
*cp++ = 0xE0;
|
*cp++ = 0x03;
|
*cp++ = 0x03;
|
break;
|
break;
|
}
|
}
|
bcopy((caddr_t)&(((struct sockaddr_ns *)dst)->sns_addr.x_host),
|
bcopy((caddr_t)&(((struct sockaddr_ns *)dst)->sns_addr.x_host),
|
(caddr_t)edst, sizeof (edst));
|
(caddr_t)edst, sizeof (edst));
|
if (!bcmp((caddr_t)edst, (caddr_t)&ns_thishost, sizeof(edst))){
|
if (!bcmp((caddr_t)edst, (caddr_t)&ns_thishost, sizeof(edst))){
|
m->m_pkthdr.rcvif = ifp;
|
m->m_pkthdr.rcvif = ifp;
|
schednetisr(NETISR_NS);
|
schednetisr(NETISR_NS);
|
inq = &nsintrq;
|
inq = &nsintrq;
|
s = splimp();
|
s = splimp();
|
if (IF_QFULL(inq)) {
|
if (IF_QFULL(inq)) {
|
IF_DROP(inq);
|
IF_DROP(inq);
|
m_freem(m);
|
m_freem(m);
|
} else
|
} else
|
IF_ENQUEUE(inq, m);
|
IF_ENQUEUE(inq, m);
|
splx(s);
|
splx(s);
|
return (error);
|
return (error);
|
}
|
}
|
if (!bcmp((caddr_t)edst, (caddr_t)&ns_broadhost, sizeof(edst))){
|
if (!bcmp((caddr_t)edst, (caddr_t)&ns_broadhost, sizeof(edst))){
|
m2 = m_copy(m, 0, (int)M_COPYALL);
|
m2 = m_copy(m, 0, (int)M_COPYALL);
|
m2->m_pkthdr.rcvif = ifp;
|
m2->m_pkthdr.rcvif = ifp;
|
schednetisr(NETISR_NS);
|
schednetisr(NETISR_NS);
|
inq = &nsintrq;
|
inq = &nsintrq;
|
s = splimp();
|
s = splimp();
|
if (IF_QFULL(inq)) {
|
if (IF_QFULL(inq)) {
|
IF_DROP(inq);
|
IF_DROP(inq);
|
m_freem(m2);
|
m_freem(m2);
|
} else
|
} else
|
IF_ENQUEUE(inq, m2);
|
IF_ENQUEUE(inq, m2);
|
splx(s);
|
splx(s);
|
}
|
}
|
/* If broadcasting on a simplex interface, loopback a copy */
|
/* If broadcasting on a simplex interface, loopback a copy */
|
if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX)){
|
if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX)){
|
mcopy = m_copy(m, 0, (int)M_COPYALL);
|
mcopy = m_copy(m, 0, (int)M_COPYALL);
|
}
|
}
|
break;
|
break;
|
#endif /* NS */
|
#endif /* NS */
|
#ifdef ISO
|
#ifdef ISO
|
case AF_ISO: {
|
case AF_ISO: {
|
int snpalen;
|
int snpalen;
|
struct llc *l;
|
struct llc *l;
|
register struct sockaddr_dl *sdl;
|
register struct sockaddr_dl *sdl;
|
|
|
if (rt && (sdl = (struct sockaddr_dl *)rt->rt_gateway) &&
|
if (rt && (sdl = (struct sockaddr_dl *)rt->rt_gateway) &&
|
sdl->sdl_family == AF_LINK && sdl->sdl_alen > 0) {
|
sdl->sdl_family == AF_LINK && sdl->sdl_alen > 0) {
|
bcopy(LLADDR(sdl), (caddr_t)edst, sizeof(edst));
|
bcopy(LLADDR(sdl), (caddr_t)edst, sizeof(edst));
|
} else if (error =
|
} else if (error =
|
iso_snparesolve(ifp, (struct sockaddr_iso *)dst,
|
iso_snparesolve(ifp, (struct sockaddr_iso *)dst,
|
(char *)edst, &snpalen))
|
(char *)edst, &snpalen))
|
goto bad; /* Not Resolved */
|
goto bad; /* Not Resolved */
|
/* If broadcasting on a simplex interface, loopback a copy */
|
/* If broadcasting on a simplex interface, loopback a copy */
|
if (*edst & 1)
|
if (*edst & 1)
|
m->m_flags |= (M_BCAST|M_MCAST);
|
m->m_flags |= (M_BCAST|M_MCAST);
|
if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX) &&
|
if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX) &&
|
(mcopy = m_copy(m, 0, (int)M_COPYALL))) {
|
(mcopy = m_copy(m, 0, (int)M_COPYALL))) {
|
M_PREPEND(mcopy, sizeof (*eh), M_DONTWAIT);
|
M_PREPEND(mcopy, sizeof (*eh), M_DONTWAIT);
|
if (mcopy) {
|
if (mcopy) {
|
eh = mtod(mcopy, struct ether_header *);
|
eh = mtod(mcopy, struct ether_header *);
|
bcopy((caddr_t)edst,
|
bcopy((caddr_t)edst,
|
(caddr_t)eh->ether_dhost, sizeof (edst));
|
(caddr_t)eh->ether_dhost, sizeof (edst));
|
bcopy((caddr_t)ac->ac_enaddr,
|
bcopy((caddr_t)ac->ac_enaddr,
|
(caddr_t)eh->ether_shost, sizeof (edst));
|
(caddr_t)eh->ether_shost, sizeof (edst));
|
}
|
}
|
}
|
}
|
M_PREPEND(m, 3, M_DONTWAIT);
|
M_PREPEND(m, 3, M_DONTWAIT);
|
if (m == NULL)
|
if (m == NULL)
|
return (0);
|
return (0);
|
type = htons(m->m_pkthdr.len);
|
type = htons(m->m_pkthdr.len);
|
l = mtod(m, struct llc *);
|
l = mtod(m, struct llc *);
|
l->llc_dsap = l->llc_ssap = LLC_ISO_LSAP;
|
l->llc_dsap = l->llc_ssap = LLC_ISO_LSAP;
|
l->llc_control = LLC_UI;
|
l->llc_control = LLC_UI;
|
len += 3;
|
len += 3;
|
IFDEBUG(D_ETHER)
|
IFDEBUG(D_ETHER)
|
int i;
|
int i;
|
printf("unoutput: sending pkt to: ");
|
printf("unoutput: sending pkt to: ");
|
for (i=0; i<6; i++)
|
for (i=0; i<6; i++)
|
printf("%x ", edst[i] & 0xff);
|
printf("%x ", edst[i] & 0xff);
|
printf("\n");
|
printf("\n");
|
ENDDEBUG
|
ENDDEBUG
|
} break;
|
} break;
|
#endif /* ISO */
|
#endif /* ISO */
|
#ifdef LLC
|
#ifdef LLC
|
/* case AF_NSAP: */
|
/* case AF_NSAP: */
|
case AF_CCITT: {
|
case AF_CCITT: {
|
register struct sockaddr_dl *sdl =
|
register struct sockaddr_dl *sdl =
|
(struct sockaddr_dl *) rt -> rt_gateway;
|
(struct sockaddr_dl *) rt -> rt_gateway;
|
|
|
if (sdl && sdl->sdl_family == AF_LINK
|
if (sdl && sdl->sdl_family == AF_LINK
|
&& sdl->sdl_alen > 0) {
|
&& sdl->sdl_alen > 0) {
|
bcopy(LLADDR(sdl), (char *)edst,
|
bcopy(LLADDR(sdl), (char *)edst,
|
sizeof(edst));
|
sizeof(edst));
|
} else goto bad; /* Not a link interface ? Funny ... */
|
} else goto bad; /* Not a link interface ? Funny ... */
|
if ((ifp->if_flags & IFF_SIMPLEX) && (*edst & 1) &&
|
if ((ifp->if_flags & IFF_SIMPLEX) && (*edst & 1) &&
|
(mcopy = m_copy(m, 0, (int)M_COPYALL))) {
|
(mcopy = m_copy(m, 0, (int)M_COPYALL))) {
|
M_PREPEND(mcopy, sizeof (*eh), M_DONTWAIT);
|
M_PREPEND(mcopy, sizeof (*eh), M_DONTWAIT);
|
if (mcopy) {
|
if (mcopy) {
|
eh = mtod(mcopy, struct ether_header *);
|
eh = mtod(mcopy, struct ether_header *);
|
bcopy((caddr_t)edst,
|
bcopy((caddr_t)edst,
|
(caddr_t)eh->ether_dhost, sizeof (edst));
|
(caddr_t)eh->ether_dhost, sizeof (edst));
|
bcopy((caddr_t)ac->ac_enaddr,
|
bcopy((caddr_t)ac->ac_enaddr,
|
(caddr_t)eh->ether_shost, sizeof (edst));
|
(caddr_t)eh->ether_shost, sizeof (edst));
|
}
|
}
|
}
|
}
|
type = htons(m->m_pkthdr.len);
|
type = htons(m->m_pkthdr.len);
|
#ifdef LLC_DEBUG
|
#ifdef LLC_DEBUG
|
{
|
{
|
int i;
|
int i;
|
register struct llc *l = mtod(m, struct llc *);
|
register struct llc *l = mtod(m, struct llc *);
|
|
|
printf("ether_output: sending LLC2 pkt to: ");
|
printf("ether_output: sending LLC2 pkt to: ");
|
for (i=0; i<6; i++)
|
for (i=0; i<6; i++)
|
printf("%x ", edst[i] & 0xff);
|
printf("%x ", edst[i] & 0xff);
|
printf(" len 0x%x dsap 0x%x ssap 0x%x control 0x%x\n",
|
printf(" len 0x%x dsap 0x%x ssap 0x%x control 0x%x\n",
|
type & 0xff, l->llc_dsap & 0xff, l->llc_ssap &0xff,
|
type & 0xff, l->llc_dsap & 0xff, l->llc_ssap &0xff,
|
l->llc_control & 0xff);
|
l->llc_control & 0xff);
|
|
|
}
|
}
|
#endif /* LLC_DEBUG */
|
#endif /* LLC_DEBUG */
|
} break;
|
} break;
|
#endif /* LLC */
|
#endif /* LLC */
|
|
|
case AF_UNSPEC:
|
case AF_UNSPEC:
|
eh = (struct ether_header *)dst->sa_data;
|
eh = (struct ether_header *)dst->sa_data;
|
(void)memcpy(edst, eh->ether_dhost, sizeof (edst));
|
(void)memcpy(edst, eh->ether_dhost, sizeof (edst));
|
type = eh->ether_type;
|
type = eh->ether_type;
|
break;
|
break;
|
|
|
default:
|
default:
|
printf("%s%d: can't handle af%d\n", ifp->if_name, ifp->if_unit,
|
printf("%s%d: can't handle af%d\n", ifp->if_name, ifp->if_unit,
|
dst->sa_family);
|
dst->sa_family);
|
senderr(EAFNOSUPPORT);
|
senderr(EAFNOSUPPORT);
|
}
|
}
|
|
|
|
|
if (mcopy)
|
if (mcopy)
|
(void) looutput(ifp, mcopy, dst, rt);
|
(void) looutput(ifp, mcopy, dst, rt);
|
/*
|
/*
|
* Add local net header. If no space in first mbuf,
|
* Add local net header. If no space in first mbuf,
|
* allocate another.
|
* allocate another.
|
*/
|
*/
|
M_PREPEND(m, sizeof (struct ether_header), M_DONTWAIT);
|
M_PREPEND(m, sizeof (struct ether_header), M_DONTWAIT);
|
if (m == 0)
|
if (m == 0)
|
senderr(ENOBUFS);
|
senderr(ENOBUFS);
|
eh = mtod(m, struct ether_header *);
|
eh = mtod(m, struct ether_header *);
|
(void)memcpy(&eh->ether_type, &type,
|
(void)memcpy(&eh->ether_type, &type,
|
sizeof(eh->ether_type));
|
sizeof(eh->ether_type));
|
(void)memcpy(eh->ether_dhost, edst, sizeof (edst));
|
(void)memcpy(eh->ether_dhost, edst, sizeof (edst));
|
(void)memcpy(eh->ether_shost, ac->ac_enaddr,
|
(void)memcpy(eh->ether_shost, ac->ac_enaddr,
|
sizeof(eh->ether_shost));
|
sizeof(eh->ether_shost));
|
s = splimp();
|
s = splimp();
|
/*
|
/*
|
* Queue message on interface, and start output if interface
|
* Queue message on interface, and start output if interface
|
* not yet active.
|
* not yet active.
|
*/
|
*/
|
if (IF_QFULL(&ifp->if_snd)) {
|
if (IF_QFULL(&ifp->if_snd)) {
|
IF_DROP(&ifp->if_snd);
|
IF_DROP(&ifp->if_snd);
|
splx(s);
|
splx(s);
|
senderr(ENOBUFS);
|
senderr(ENOBUFS);
|
}
|
}
|
IF_ENQUEUE(&ifp->if_snd, m);
|
IF_ENQUEUE(&ifp->if_snd, m);
|
if ((ifp->if_flags & IFF_OACTIVE) == 0)
|
if ((ifp->if_flags & IFF_OACTIVE) == 0)
|
(*ifp->if_start)(ifp);
|
(*ifp->if_start)(ifp);
|
splx(s);
|
splx(s);
|
ifp->if_obytes += len + sizeof (struct ether_header);
|
ifp->if_obytes += len + sizeof (struct ether_header);
|
if (m->m_flags & M_MCAST)
|
if (m->m_flags & M_MCAST)
|
ifp->if_omcasts++;
|
ifp->if_omcasts++;
|
return (error);
|
return (error);
|
|
|
bad:
|
bad:
|
if (m)
|
if (m)
|
m_freem(m);
|
m_freem(m);
|
return (error);
|
return (error);
|
}
|
}
|
|
|
/*
|
/*
|
* Process a received Ethernet packet;
|
* Process a received Ethernet packet;
|
* the packet is in the mbuf chain m without
|
* the packet is in the mbuf chain m without
|
* the ether header, which is provided separately.
|
* the ether header, which is provided separately.
|
*/
|
*/
|
void
|
void
|
ether_input(ifp, eh, m)
|
ether_input(ifp, eh, m)
|
struct ifnet *ifp;
|
struct ifnet *ifp;
|
register struct ether_header *eh;
|
register struct ether_header *eh;
|
struct mbuf *m;
|
struct mbuf *m;
|
{
|
{
|
register struct ifqueue *inq;
|
register struct ifqueue *inq;
|
u_short ether_type;
|
u_short ether_type;
|
#ifdef NS
|
#ifdef NS
|
u_short *checksum;
|
u_short *checksum;
|
#endif
|
#endif
|
int s;
|
int s;
|
#if defined (ISO) || defined (LLC) || defined(NETATALK)
|
#if defined (ISO) || defined (LLC) || defined(NETATALK)
|
register struct llc *l;
|
register struct llc *l;
|
#endif
|
#endif
|
|
|
if ((ifp->if_flags & IFF_UP) == 0) {
|
if ((ifp->if_flags & IFF_UP) == 0) {
|
m_freem(m);
|
m_freem(m);
|
return;
|
return;
|
}
|
}
|
ifp->if_ibytes += m->m_pkthdr.len + sizeof (*eh);
|
ifp->if_ibytes += m->m_pkthdr.len + sizeof (*eh);
|
if (bcmp((caddr_t)etherbroadcastaddr, (caddr_t)eh->ether_dhost,
|
if (bcmp((caddr_t)etherbroadcastaddr, (caddr_t)eh->ether_dhost,
|
sizeof(etherbroadcastaddr)) == 0)
|
sizeof(etherbroadcastaddr)) == 0)
|
m->m_flags |= M_BCAST;
|
m->m_flags |= M_BCAST;
|
else if (eh->ether_dhost[0] & 1)
|
else if (eh->ether_dhost[0] & 1)
|
m->m_flags |= M_MCAST;
|
m->m_flags |= M_MCAST;
|
if (m->m_flags & (M_BCAST|M_MCAST))
|
if (m->m_flags & (M_BCAST|M_MCAST))
|
ifp->if_imcasts++;
|
ifp->if_imcasts++;
|
|
|
/*
|
/*
|
* RTEMS addition -- allow application to `tap into'
|
* RTEMS addition -- allow application to `tap into'
|
* the incoming packet stream.
|
* the incoming packet stream.
|
*/
|
*/
|
if (ifp->if_tap && (*ifp->if_tap)(ifp, eh, m)) {
|
if (ifp->if_tap && (*ifp->if_tap)(ifp, eh, m)) {
|
m_freem(m);
|
m_freem(m);
|
return;
|
return;
|
}
|
}
|
|
|
ether_type = ntohs(eh->ether_type);
|
ether_type = ntohs(eh->ether_type);
|
|
|
switch (ether_type) {
|
switch (ether_type) {
|
#ifdef INET
|
#ifdef INET
|
case ETHERTYPE_IP:
|
case ETHERTYPE_IP:
|
schednetisr(NETISR_IP);
|
schednetisr(NETISR_IP);
|
inq = &ipintrq;
|
inq = &ipintrq;
|
break;
|
break;
|
|
|
case ETHERTYPE_ARP:
|
case ETHERTYPE_ARP:
|
schednetisr(NETISR_ARP);
|
schednetisr(NETISR_ARP);
|
inq = &arpintrq;
|
inq = &arpintrq;
|
break;
|
break;
|
#endif
|
#endif
|
#ifdef IPX
|
#ifdef IPX
|
case ETHERTYPE_IPX:
|
case ETHERTYPE_IPX:
|
schednetisr(NETISR_IPX);
|
schednetisr(NETISR_IPX);
|
inq = &ipxintrq;
|
inq = &ipxintrq;
|
break;
|
break;
|
#endif
|
#endif
|
#ifdef NS
|
#ifdef NS
|
case 0x8137: /* Novell Ethernet_II Ethernet TYPE II */
|
case 0x8137: /* Novell Ethernet_II Ethernet TYPE II */
|
schednetisr(NETISR_NS);
|
schednetisr(NETISR_NS);
|
inq = &nsintrq;
|
inq = &nsintrq;
|
break;
|
break;
|
|
|
#endif /* NS */
|
#endif /* NS */
|
#ifdef NETATALK
|
#ifdef NETATALK
|
case ETHERTYPE_AT:
|
case ETHERTYPE_AT:
|
schednetisr(NETISR_ATALK);
|
schednetisr(NETISR_ATALK);
|
inq = &atintrq1;
|
inq = &atintrq1;
|
break;
|
break;
|
case ETHERTYPE_AARP:
|
case ETHERTYPE_AARP:
|
/* probably this should be done with a NETISR as well */
|
/* probably this should be done with a NETISR as well */
|
aarpinput((struct arpcom *)ifp, m); /* XXX */
|
aarpinput((struct arpcom *)ifp, m); /* XXX */
|
return;
|
return;
|
#endif NETATALK
|
#endif NETATALK
|
default:
|
default:
|
#ifdef NS
|
#ifdef NS
|
checksum = mtod(m, ushort *);
|
checksum = mtod(m, ushort *);
|
/* Novell 802.3 */
|
/* Novell 802.3 */
|
if ((ether_type <= ETHERMTU) &&
|
if ((ether_type <= ETHERMTU) &&
|
((*checksum == 0xffff) || (*checksum == 0xE0E0))){
|
((*checksum == 0xffff) || (*checksum == 0xE0E0))){
|
if(*checksum == 0xE0E0) {
|
if(*checksum == 0xE0E0) {
|
m->m_pkthdr.len -= 3;
|
m->m_pkthdr.len -= 3;
|
m->m_len -= 3;
|
m->m_len -= 3;
|
m->m_data += 3;
|
m->m_data += 3;
|
}
|
}
|
schednetisr(NETISR_NS);
|
schednetisr(NETISR_NS);
|
inq = &nsintrq;
|
inq = &nsintrq;
|
break;
|
break;
|
}
|
}
|
#endif /* NS */
|
#endif /* NS */
|
#if defined (ISO) || defined (LLC) || defined(NETATALK)
|
#if defined (ISO) || defined (LLC) || defined(NETATALK)
|
if (ether_type > ETHERMTU)
|
if (ether_type > ETHERMTU)
|
goto dropanyway;
|
goto dropanyway;
|
l = mtod(m, struct llc *);
|
l = mtod(m, struct llc *);
|
switch (l->llc_dsap) {
|
switch (l->llc_dsap) {
|
#ifdef NETATALK
|
#ifdef NETATALK
|
case LLC_SNAP_LSAP:
|
case LLC_SNAP_LSAP:
|
switch (l->llc_control) {
|
switch (l->llc_control) {
|
case LLC_UI:
|
case LLC_UI:
|
if (l->llc_ssap != LLC_SNAP_LSAP)
|
if (l->llc_ssap != LLC_SNAP_LSAP)
|
goto dropanyway;
|
goto dropanyway;
|
|
|
if (Bcmp(&(l->llc_snap_org_code)[0], at_org_code,
|
if (Bcmp(&(l->llc_snap_org_code)[0], at_org_code,
|
sizeof(at_org_code)) == 0 &&
|
sizeof(at_org_code)) == 0 &&
|
ntohs(l->llc_snap_ether_type) == ETHERTYPE_AT) {
|
ntohs(l->llc_snap_ether_type) == ETHERTYPE_AT) {
|
inq = &atintrq2;
|
inq = &atintrq2;
|
m_adj( m, sizeof( struct llc ));
|
m_adj( m, sizeof( struct llc ));
|
schednetisr(NETISR_ATALK);
|
schednetisr(NETISR_ATALK);
|
break;
|
break;
|
}
|
}
|
|
|
if (Bcmp(&(l->llc_snap_org_code)[0], aarp_org_code,
|
if (Bcmp(&(l->llc_snap_org_code)[0], aarp_org_code,
|
sizeof(aarp_org_code)) == 0 &&
|
sizeof(aarp_org_code)) == 0 &&
|
ntohs(l->llc_snap_ether_type) == ETHERTYPE_AARP) {
|
ntohs(l->llc_snap_ether_type) == ETHERTYPE_AARP) {
|
m_adj( m, sizeof( struct llc ));
|
m_adj( m, sizeof( struct llc ));
|
aarpinput((struct arpcom *)ifp, m); /* XXX */
|
aarpinput((struct arpcom *)ifp, m); /* XXX */
|
return;
|
return;
|
}
|
}
|
|
|
default:
|
default:
|
goto dropanyway;
|
goto dropanyway;
|
}
|
}
|
break;
|
break;
|
#endif NETATALK
|
#endif NETATALK
|
#ifdef ISO
|
#ifdef ISO
|
case LLC_ISO_LSAP:
|
case LLC_ISO_LSAP:
|
switch (l->llc_control) {
|
switch (l->llc_control) {
|
case LLC_UI:
|
case LLC_UI:
|
/* LLC_UI_P forbidden in class 1 service */
|
/* LLC_UI_P forbidden in class 1 service */
|
if ((l->llc_dsap == LLC_ISO_LSAP) &&
|
if ((l->llc_dsap == LLC_ISO_LSAP) &&
|
(l->llc_ssap == LLC_ISO_LSAP)) {
|
(l->llc_ssap == LLC_ISO_LSAP)) {
|
/* LSAP for ISO */
|
/* LSAP for ISO */
|
if (m->m_pkthdr.len > ether_type)
|
if (m->m_pkthdr.len > ether_type)
|
m_adj(m, ether_type - m->m_pkthdr.len);
|
m_adj(m, ether_type - m->m_pkthdr.len);
|
m->m_data += 3; /* XXX */
|
m->m_data += 3; /* XXX */
|
m->m_len -= 3; /* XXX */
|
m->m_len -= 3; /* XXX */
|
m->m_pkthdr.len -= 3; /* XXX */
|
m->m_pkthdr.len -= 3; /* XXX */
|
M_PREPEND(m, sizeof *eh, M_DONTWAIT);
|
M_PREPEND(m, sizeof *eh, M_DONTWAIT);
|
if (m == 0)
|
if (m == 0)
|
return;
|
return;
|
*mtod(m, struct ether_header *) = *eh;
|
*mtod(m, struct ether_header *) = *eh;
|
IFDEBUG(D_ETHER)
|
IFDEBUG(D_ETHER)
|
printf("clnp packet");
|
printf("clnp packet");
|
ENDDEBUG
|
ENDDEBUG
|
schednetisr(NETISR_ISO);
|
schednetisr(NETISR_ISO);
|
inq = &clnlintrq;
|
inq = &clnlintrq;
|
break;
|
break;
|
}
|
}
|
goto dropanyway;
|
goto dropanyway;
|
|
|
case LLC_XID:
|
case LLC_XID:
|
case LLC_XID_P:
|
case LLC_XID_P:
|
if(m->m_len < 6)
|
if(m->m_len < 6)
|
goto dropanyway;
|
goto dropanyway;
|
l->llc_window = 0;
|
l->llc_window = 0;
|
l->llc_fid = 9;
|
l->llc_fid = 9;
|
l->llc_class = 1;
|
l->llc_class = 1;
|
l->llc_dsap = l->llc_ssap = 0;
|
l->llc_dsap = l->llc_ssap = 0;
|
/* Fall through to */
|
/* Fall through to */
|
case LLC_TEST:
|
case LLC_TEST:
|
case LLC_TEST_P:
|
case LLC_TEST_P:
|
{
|
{
|
struct sockaddr sa;
|
struct sockaddr sa;
|
register struct ether_header *eh2;
|
register struct ether_header *eh2;
|
int i;
|
int i;
|
u_char c = l->llc_dsap;
|
u_char c = l->llc_dsap;
|
|
|
l->llc_dsap = l->llc_ssap;
|
l->llc_dsap = l->llc_ssap;
|
l->llc_ssap = c;
|
l->llc_ssap = c;
|
if (m->m_flags & (M_BCAST | M_MCAST))
|
if (m->m_flags & (M_BCAST | M_MCAST))
|
bcopy((caddr_t)ac->ac_enaddr,
|
bcopy((caddr_t)ac->ac_enaddr,
|
(caddr_t)eh->ether_dhost, 6);
|
(caddr_t)eh->ether_dhost, 6);
|
sa.sa_family = AF_UNSPEC;
|
sa.sa_family = AF_UNSPEC;
|
sa.sa_len = sizeof(sa);
|
sa.sa_len = sizeof(sa);
|
eh2 = (struct ether_header *)sa.sa_data;
|
eh2 = (struct ether_header *)sa.sa_data;
|
for (i = 0; i < 6; i++) {
|
for (i = 0; i < 6; i++) {
|
eh2->ether_shost[i] = c = eh->ether_dhost[i];
|
eh2->ether_shost[i] = c = eh->ether_dhost[i];
|
eh2->ether_dhost[i] =
|
eh2->ether_dhost[i] =
|
eh->ether_dhost[i] = eh->ether_shost[i];
|
eh->ether_dhost[i] = eh->ether_shost[i];
|
eh->ether_shost[i] = c;
|
eh->ether_shost[i] = c;
|
}
|
}
|
ifp->if_output(ifp, m, &sa, NULL);
|
ifp->if_output(ifp, m, &sa, NULL);
|
return;
|
return;
|
}
|
}
|
default:
|
default:
|
m_freem(m);
|
m_freem(m);
|
return;
|
return;
|
}
|
}
|
break;
|
break;
|
#endif /* ISO */
|
#endif /* ISO */
|
#ifdef LLC
|
#ifdef LLC
|
case LLC_X25_LSAP:
|
case LLC_X25_LSAP:
|
{
|
{
|
if (m->m_pkthdr.len > ether_type)
|
if (m->m_pkthdr.len > ether_type)
|
m_adj(m, ether_type - m->m_pkthdr.len);
|
m_adj(m, ether_type - m->m_pkthdr.len);
|
M_PREPEND(m, sizeof(struct sdl_hdr) , M_DONTWAIT);
|
M_PREPEND(m, sizeof(struct sdl_hdr) , M_DONTWAIT);
|
if (m == 0)
|
if (m == 0)
|
return;
|
return;
|
if ( !sdl_sethdrif(ifp, eh->ether_shost, LLC_X25_LSAP,
|
if ( !sdl_sethdrif(ifp, eh->ether_shost, LLC_X25_LSAP,
|
eh->ether_dhost, LLC_X25_LSAP, 6,
|
eh->ether_dhost, LLC_X25_LSAP, 6,
|
mtod(m, struct sdl_hdr *)))
|
mtod(m, struct sdl_hdr *)))
|
panic("ETHER cons addr failure");
|
panic("ETHER cons addr failure");
|
mtod(m, struct sdl_hdr *)->sdlhdr_len = ether_type;
|
mtod(m, struct sdl_hdr *)->sdlhdr_len = ether_type;
|
#ifdef LLC_DEBUG
|
#ifdef LLC_DEBUG
|
printf("llc packet\n");
|
printf("llc packet\n");
|
#endif /* LLC_DEBUG */
|
#endif /* LLC_DEBUG */
|
schednetisr(NETISR_CCITT);
|
schednetisr(NETISR_CCITT);
|
inq = &llcintrq;
|
inq = &llcintrq;
|
break;
|
break;
|
}
|
}
|
#endif /* LLC */
|
#endif /* LLC */
|
dropanyway:
|
dropanyway:
|
default:
|
default:
|
m_freem(m);
|
m_freem(m);
|
return;
|
return;
|
}
|
}
|
#else /* ISO || LLC || NETATALK */
|
#else /* ISO || LLC || NETATALK */
|
m_freem(m);
|
m_freem(m);
|
return;
|
return;
|
#endif /* ISO || LLC || NETATALK */
|
#endif /* ISO || LLC || NETATALK */
|
}
|
}
|
|
|
s = splimp();
|
s = splimp();
|
if (IF_QFULL(inq)) {
|
if (IF_QFULL(inq)) {
|
IF_DROP(inq);
|
IF_DROP(inq);
|
m_freem(m);
|
m_freem(m);
|
} else
|
} else
|
IF_ENQUEUE(inq, m);
|
IF_ENQUEUE(inq, m);
|
splx(s);
|
splx(s);
|
}
|
}
|
|
|
/*
|
/*
|
* Perform common duties while attaching to interface list
|
* Perform common duties while attaching to interface list
|
*/
|
*/
|
void
|
void
|
ether_ifattach(ifp)
|
ether_ifattach(ifp)
|
register struct ifnet *ifp;
|
register struct ifnet *ifp;
|
{
|
{
|
register struct ifaddr *ifa;
|
register struct ifaddr *ifa;
|
register struct sockaddr_dl *sdl;
|
register struct sockaddr_dl *sdl;
|
|
|
ifp->if_type = IFT_ETHER;
|
ifp->if_type = IFT_ETHER;
|
ifp->if_addrlen = 6;
|
ifp->if_addrlen = 6;
|
ifp->if_hdrlen = 14;
|
ifp->if_hdrlen = 14;
|
ifp->if_mtu = ETHERMTU;
|
ifp->if_mtu = ETHERMTU;
|
if (ifp->if_baudrate == 0)
|
if (ifp->if_baudrate == 0)
|
ifp->if_baudrate = 10000000;
|
ifp->if_baudrate = 10000000;
|
for (ifa = ifp->if_addrlist; ifa; ifa = ifa->ifa_next)
|
for (ifa = ifp->if_addrlist; ifa; ifa = ifa->ifa_next)
|
if ((sdl = (struct sockaddr_dl *)ifa->ifa_addr) &&
|
if ((sdl = (struct sockaddr_dl *)ifa->ifa_addr) &&
|
sdl->sdl_family == AF_LINK) {
|
sdl->sdl_family == AF_LINK) {
|
sdl->sdl_type = IFT_ETHER;
|
sdl->sdl_type = IFT_ETHER;
|
sdl->sdl_alen = ifp->if_addrlen;
|
sdl->sdl_alen = ifp->if_addrlen;
|
bcopy((caddr_t)((struct arpcom *)ifp)->ac_enaddr,
|
bcopy((caddr_t)((struct arpcom *)ifp)->ac_enaddr,
|
LLADDR(sdl), ifp->if_addrlen);
|
LLADDR(sdl), ifp->if_addrlen);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
static u_char ether_ipmulticast_min[6] =
|
static u_char ether_ipmulticast_min[6] =
|
{ 0x01, 0x00, 0x5e, 0x00, 0x00, 0x00 };
|
{ 0x01, 0x00, 0x5e, 0x00, 0x00, 0x00 };
|
static u_char ether_ipmulticast_max[6] =
|
static u_char ether_ipmulticast_max[6] =
|
{ 0x01, 0x00, 0x5e, 0x7f, 0xff, 0xff };
|
{ 0x01, 0x00, 0x5e, 0x7f, 0xff, 0xff };
|
/*
|
/*
|
* Add an Ethernet multicast address or range of addresses to the list for a
|
* Add an Ethernet multicast address or range of addresses to the list for a
|
* given interface.
|
* given interface.
|
*/
|
*/
|
int
|
int
|
ether_addmulti(ifr, ac)
|
ether_addmulti(ifr, ac)
|
struct ifreq *ifr;
|
struct ifreq *ifr;
|
register struct arpcom *ac;
|
register struct arpcom *ac;
|
{
|
{
|
register struct ether_multi *enm;
|
register struct ether_multi *enm;
|
struct sockaddr_in *sin;
|
struct sockaddr_in *sin;
|
u_char addrlo[6];
|
u_char addrlo[6];
|
u_char addrhi[6];
|
u_char addrhi[6];
|
int set_allmulti = 0;
|
int set_allmulti = 0;
|
int s = splimp();
|
int s = splimp();
|
|
|
switch (ifr->ifr_addr.sa_family) {
|
switch (ifr->ifr_addr.sa_family) {
|
|
|
case AF_UNSPEC:
|
case AF_UNSPEC:
|
bcopy(ifr->ifr_addr.sa_data, addrlo, 6);
|
bcopy(ifr->ifr_addr.sa_data, addrlo, 6);
|
bcopy(addrlo, addrhi, 6);
|
bcopy(addrlo, addrhi, 6);
|
break;
|
break;
|
|
|
#ifdef INET
|
#ifdef INET
|
case AF_INET:
|
case AF_INET:
|
sin = (struct sockaddr_in *)&(ifr->ifr_addr);
|
sin = (struct sockaddr_in *)&(ifr->ifr_addr);
|
if (sin->sin_addr.s_addr == INADDR_ANY) {
|
if (sin->sin_addr.s_addr == INADDR_ANY) {
|
/*
|
/*
|
* An IP address of INADDR_ANY means listen to all
|
* An IP address of INADDR_ANY means listen to all
|
* of the Ethernet multicast addresses used for IP.
|
* of the Ethernet multicast addresses used for IP.
|
* (This is for the sake of IP multicast routers.)
|
* (This is for the sake of IP multicast routers.)
|
*/
|
*/
|
bcopy(ether_ipmulticast_min, addrlo, 6);
|
bcopy(ether_ipmulticast_min, addrlo, 6);
|
bcopy(ether_ipmulticast_max, addrhi, 6);
|
bcopy(ether_ipmulticast_max, addrhi, 6);
|
set_allmulti = 1;
|
set_allmulti = 1;
|
}
|
}
|
else {
|
else {
|
ETHER_MAP_IP_MULTICAST(&sin->sin_addr, addrlo);
|
ETHER_MAP_IP_MULTICAST(&sin->sin_addr, addrlo);
|
bcopy(addrlo, addrhi, 6);
|
bcopy(addrlo, addrhi, 6);
|
}
|
}
|
break;
|
break;
|
#endif
|
#endif
|
|
|
default:
|
default:
|
splx(s);
|
splx(s);
|
return (EAFNOSUPPORT);
|
return (EAFNOSUPPORT);
|
}
|
}
|
|
|
/*
|
/*
|
* Verify that we have valid Ethernet multicast addresses.
|
* Verify that we have valid Ethernet multicast addresses.
|
*/
|
*/
|
if ((addrlo[0] & 0x01) != 1 || (addrhi[0] & 0x01) != 1) {
|
if ((addrlo[0] & 0x01) != 1 || (addrhi[0] & 0x01) != 1) {
|
splx(s);
|
splx(s);
|
return (EINVAL);
|
return (EINVAL);
|
}
|
}
|
/*
|
/*
|
* See if the address range is already in the list.
|
* See if the address range is already in the list.
|
*/
|
*/
|
ETHER_LOOKUP_MULTI(addrlo, addrhi, ac, enm);
|
ETHER_LOOKUP_MULTI(addrlo, addrhi, ac, enm);
|
if (enm != NULL) {
|
if (enm != NULL) {
|
/*
|
/*
|
* Found it; just increment the reference count.
|
* Found it; just increment the reference count.
|
*/
|
*/
|
++enm->enm_refcount;
|
++enm->enm_refcount;
|
splx(s);
|
splx(s);
|
return (0);
|
return (0);
|
}
|
}
|
/*
|
/*
|
* New address or range; malloc a new multicast record
|
* New address or range; malloc a new multicast record
|
* and link it into the interface's multicast list.
|
* and link it into the interface's multicast list.
|
*/
|
*/
|
enm = (struct ether_multi *)malloc(sizeof(*enm), M_IFMADDR, M_NOWAIT);
|
enm = (struct ether_multi *)malloc(sizeof(*enm), M_IFMADDR, M_NOWAIT);
|
if (enm == NULL) {
|
if (enm == NULL) {
|
splx(s);
|
splx(s);
|
return (ENOBUFS);
|
return (ENOBUFS);
|
}
|
}
|
bcopy(addrlo, enm->enm_addrlo, 6);
|
bcopy(addrlo, enm->enm_addrlo, 6);
|
bcopy(addrhi, enm->enm_addrhi, 6);
|
bcopy(addrhi, enm->enm_addrhi, 6);
|
enm->enm_ac = ac;
|
enm->enm_ac = ac;
|
enm->enm_refcount = 1;
|
enm->enm_refcount = 1;
|
enm->enm_next = ac->ac_multiaddrs;
|
enm->enm_next = ac->ac_multiaddrs;
|
ac->ac_multiaddrs = enm;
|
ac->ac_multiaddrs = enm;
|
ac->ac_multicnt++;
|
ac->ac_multicnt++;
|
splx(s);
|
splx(s);
|
if (set_allmulti)
|
if (set_allmulti)
|
ac->ac_if.if_flags |= IFF_ALLMULTI;
|
ac->ac_if.if_flags |= IFF_ALLMULTI;
|
|
|
/*
|
/*
|
* Return ENETRESET to inform the driver that the list has changed
|
* Return ENETRESET to inform the driver that the list has changed
|
* and its reception filter should be adjusted accordingly.
|
* and its reception filter should be adjusted accordingly.
|
*/
|
*/
|
return (ENETRESET);
|
return (ENETRESET);
|
}
|
}
|
|
|
/*
|
/*
|
* Delete a multicast address record.
|
* Delete a multicast address record.
|
*/
|
*/
|
int
|
int
|
ether_delmulti(ifr, ac)
|
ether_delmulti(ifr, ac)
|
struct ifreq *ifr;
|
struct ifreq *ifr;
|
register struct arpcom *ac;
|
register struct arpcom *ac;
|
{
|
{
|
register struct ether_multi *enm;
|
register struct ether_multi *enm;
|
register struct ether_multi **p;
|
register struct ether_multi **p;
|
struct sockaddr_in *sin;
|
struct sockaddr_in *sin;
|
u_char addrlo[6];
|
u_char addrlo[6];
|
u_char addrhi[6];
|
u_char addrhi[6];
|
int unset_allmulti = 0;
|
int unset_allmulti = 0;
|
int s = splimp();
|
int s = splimp();
|
|
|
switch (ifr->ifr_addr.sa_family) {
|
switch (ifr->ifr_addr.sa_family) {
|
|
|
case AF_UNSPEC:
|
case AF_UNSPEC:
|
bcopy(ifr->ifr_addr.sa_data, addrlo, 6);
|
bcopy(ifr->ifr_addr.sa_data, addrlo, 6);
|
bcopy(addrlo, addrhi, 6);
|
bcopy(addrlo, addrhi, 6);
|
break;
|
break;
|
|
|
#ifdef INET
|
#ifdef INET
|
case AF_INET:
|
case AF_INET:
|
sin = (struct sockaddr_in *)&(ifr->ifr_addr);
|
sin = (struct sockaddr_in *)&(ifr->ifr_addr);
|
if (sin->sin_addr.s_addr == INADDR_ANY) {
|
if (sin->sin_addr.s_addr == INADDR_ANY) {
|
/*
|
/*
|
* An IP address of INADDR_ANY means stop listening
|
* An IP address of INADDR_ANY means stop listening
|
* to the range of Ethernet multicast addresses used
|
* to the range of Ethernet multicast addresses used
|
* for IP.
|
* for IP.
|
*/
|
*/
|
bcopy(ether_ipmulticast_min, addrlo, 6);
|
bcopy(ether_ipmulticast_min, addrlo, 6);
|
bcopy(ether_ipmulticast_max, addrhi, 6);
|
bcopy(ether_ipmulticast_max, addrhi, 6);
|
unset_allmulti = 1;
|
unset_allmulti = 1;
|
}
|
}
|
else {
|
else {
|
ETHER_MAP_IP_MULTICAST(&sin->sin_addr, addrlo);
|
ETHER_MAP_IP_MULTICAST(&sin->sin_addr, addrlo);
|
bcopy(addrlo, addrhi, 6);
|
bcopy(addrlo, addrhi, 6);
|
}
|
}
|
break;
|
break;
|
#endif
|
#endif
|
|
|
default:
|
default:
|
splx(s);
|
splx(s);
|
return (EAFNOSUPPORT);
|
return (EAFNOSUPPORT);
|
}
|
}
|
|
|
/*
|
/*
|
* Look up the address in our list.
|
* Look up the address in our list.
|
*/
|
*/
|
ETHER_LOOKUP_MULTI(addrlo, addrhi, ac, enm);
|
ETHER_LOOKUP_MULTI(addrlo, addrhi, ac, enm);
|
if (enm == NULL) {
|
if (enm == NULL) {
|
splx(s);
|
splx(s);
|
return (ENXIO);
|
return (ENXIO);
|
}
|
}
|
if (--enm->enm_refcount != 0) {
|
if (--enm->enm_refcount != 0) {
|
/*
|
/*
|
* Still some claims to this record.
|
* Still some claims to this record.
|
*/
|
*/
|
splx(s);
|
splx(s);
|
return (0);
|
return (0);
|
}
|
}
|
/*
|
/*
|
* No remaining claims to this record; unlink and free it.
|
* No remaining claims to this record; unlink and free it.
|
*/
|
*/
|
for (p = &enm->enm_ac->ac_multiaddrs;
|
for (p = &enm->enm_ac->ac_multiaddrs;
|
*p != enm;
|
*p != enm;
|
p = &(*p)->enm_next)
|
p = &(*p)->enm_next)
|
continue;
|
continue;
|
*p = (*p)->enm_next;
|
*p = (*p)->enm_next;
|
free(enm, M_IFMADDR);
|
free(enm, M_IFMADDR);
|
ac->ac_multicnt--;
|
ac->ac_multicnt--;
|
splx(s);
|
splx(s);
|
if (unset_allmulti)
|
if (unset_allmulti)
|
ac->ac_if.if_flags &= ~IFF_ALLMULTI;
|
ac->ac_if.if_flags &= ~IFF_ALLMULTI;
|
|
|
/*
|
/*
|
* Return ENETRESET to inform the driver that the list has changed
|
* Return ENETRESET to inform the driver that the list has changed
|
* and its reception filter should be adjusted accordingly.
|
* and its reception filter should be adjusted accordingly.
|
*/
|
*/
|
return (ENETRESET);
|
return (ENETRESET);
|
}
|
}
|
|
|
SYSCTL_NODE(_net_link, IFT_ETHER, ether, CTLFLAG_RW, 0, "Ethernet");
|
SYSCTL_NODE(_net_link, IFT_ETHER, ether, CTLFLAG_RW, 0, "Ethernet");
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int
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int
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ether_ioctl(struct ifnet *ifp, int command, caddr_t data)
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ether_ioctl(struct ifnet *ifp, int command, caddr_t data)
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{
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{
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struct ifaddr *ifa = (struct ifaddr *) data;
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struct ifaddr *ifa = (struct ifaddr *) data;
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struct ifreq *ifr = (struct ifreq *) data;
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struct ifreq *ifr = (struct ifreq *) data;
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int error = 0;
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int error = 0;
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|
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switch (command) {
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switch (command) {
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case SIOCSIFADDR:
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case SIOCSIFADDR:
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ifp->if_flags |= IFF_UP;
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ifp->if_flags |= IFF_UP;
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|
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switch (ifa->ifa_addr->sa_family) {
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switch (ifa->ifa_addr->sa_family) {
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#ifdef INET
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#ifdef INET
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case AF_INET:
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case AF_INET:
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ifp->if_init(ifp->if_softc); /* before arpwhohas */
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ifp->if_init(ifp->if_softc); /* before arpwhohas */
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arp_ifinit((struct arpcom *)ifp, ifa);
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arp_ifinit((struct arpcom *)ifp, ifa);
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break;
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break;
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#endif
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#endif
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#ifdef IPX
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#ifdef IPX
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/*
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/*
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* XXX - This code is probably wrong
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* XXX - This code is probably wrong
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*/
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*/
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case AF_IPX:
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case AF_IPX:
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{
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{
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register struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
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register struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
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struct arpcom *ac = (struct arpcom *) (ifp->if_softc);
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struct arpcom *ac = (struct arpcom *) (ifp->if_softc);
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|
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if (ipx_nullhost(*ina))
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if (ipx_nullhost(*ina))
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ina->x_host =
|
ina->x_host =
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*(union ipx_host *)
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*(union ipx_host *)
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ac->ac_enaddr;
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ac->ac_enaddr;
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else {
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else {
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bcopy((caddr_t) ina->x_host.c_host,
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bcopy((caddr_t) ina->x_host.c_host,
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(caddr_t) ac->ac_enaddr,
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(caddr_t) ac->ac_enaddr,
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sizeof(ac->ac_enaddr));
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sizeof(ac->ac_enaddr));
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}
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}
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|
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/*
|
/*
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* Set new address
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* Set new address
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*/
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*/
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ifp->if_init(ifp->if_softc);
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ifp->if_init(ifp->if_softc);
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break;
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break;
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}
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}
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#endif
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#endif
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#ifdef NS
|
#ifdef NS
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/*
|
/*
|
* XXX - This code is probably wrong
|
* XXX - This code is probably wrong
|
*/
|
*/
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case AF_NS:
|
case AF_NS:
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{
|
{
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register struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr);
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register struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr);
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struct arpcom *ac = (struct arpcom *) (ifp->if_softc);
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struct arpcom *ac = (struct arpcom *) (ifp->if_softc);
|
|
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if (ns_nullhost(*ina))
|
if (ns_nullhost(*ina))
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ina->x_host =
|
ina->x_host =
|
*(union ns_host *) (ac->ac_enaddr);
|
*(union ns_host *) (ac->ac_enaddr);
|
else {
|
else {
|
bcopy((caddr_t) ina->x_host.c_host,
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bcopy((caddr_t) ina->x_host.c_host,
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(caddr_t) ac->ac_enaddr,
|
(caddr_t) ac->ac_enaddr,
|
sizeof(ac->ac_enaddr));
|
sizeof(ac->ac_enaddr));
|
}
|
}
|
|
|
/*
|
/*
|
* Set new address
|
* Set new address
|
*/
|
*/
|
ifp->if_init(ifp->if_softc);
|
ifp->if_init(ifp->if_softc);
|
break;
|
break;
|
}
|
}
|
#endif
|
#endif
|
default:
|
default:
|
ifp->if_init(ifp->if_softc);
|
ifp->if_init(ifp->if_softc);
|
break;
|
break;
|
}
|
}
|
break;
|
break;
|
|
|
case SIOCGIFADDR:
|
case SIOCGIFADDR:
|
{
|
{
|
struct sockaddr *sa;
|
struct sockaddr *sa;
|
|
|
sa = (struct sockaddr *) & ifr->ifr_data;
|
sa = (struct sockaddr *) & ifr->ifr_data;
|
bcopy(((struct arpcom *)ifp->if_softc)->ac_enaddr,
|
bcopy(((struct arpcom *)ifp->if_softc)->ac_enaddr,
|
(caddr_t) sa->sa_data, ETHER_ADDR_LEN);
|
(caddr_t) sa->sa_data, ETHER_ADDR_LEN);
|
}
|
}
|
break;
|
break;
|
|
|
case SIOCSIFMTU:
|
case SIOCSIFMTU:
|
/*
|
/*
|
* Set the interface MTU.
|
* Set the interface MTU.
|
*/
|
*/
|
if (ifr->ifr_mtu > ETHERMTU) {
|
if (ifr->ifr_mtu > ETHERMTU) {
|
error = EINVAL;
|
error = EINVAL;
|
} else {
|
} else {
|
ifp->if_mtu = ifr->ifr_mtu;
|
ifp->if_mtu = ifr->ifr_mtu;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
return (error);
|
return (error);
|
}
|
}
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