222d6fab6a
Callers of arpresolve() now pass the error code back to their caller, masking out EWOULDBLOCK. This allows applications such as ping(8) to display a suitable error condition.
631 lines
17 KiB
C
631 lines
17 KiB
C
/* $NetBSD: if_fddisubr.c,v 1.95 2015/10/13 12:33:07 roy Exp $ */
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|
|
|
/*
|
|
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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* All rights reserved.
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*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
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* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the project nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
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|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1982, 1989, 1993
|
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* The Regents of the University of California. All rights reserved.
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|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
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* @(#)if_fddisubr.c 8.1 (Berkeley) 6/10/93
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*
|
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* Id: if_fddisubr.c,v 1.15 1997/03/21 22:35:50 thomas Exp
|
|
*/
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|
|
|
/*
|
|
* Copyright (c) 1995, 1996
|
|
* Matt Thomas <matt@3am-software.com>. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of its contributor may not be used to endorse or promote
|
|
* products derived from this software without specific prior written
|
|
* permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* @(#)if_fddisubr.c 8.1 (Berkeley) 6/10/93
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*
|
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* Id: if_fddisubr.c,v 1.15 1997/03/21 22:35:50 thomas Exp
|
|
*/
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|
|
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#include <sys/cdefs.h>
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|
__KERNEL_RCSID(0, "$NetBSD: if_fddisubr.c,v 1.95 2015/10/13 12:33:07 roy Exp $");
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|
|
#ifdef _KERNEL_OPT
|
|
#include "opt_gateway.h"
|
|
#include "opt_inet.h"
|
|
#include "opt_atalk.h"
|
|
#include "opt_mbuftrace.h"
|
|
#endif
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|
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/protosw.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/syslog.h>
|
|
|
|
#include <sys/cpu.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/netisr.h>
|
|
#include <net/route.h>
|
|
#include <net/if_llc.h>
|
|
#include <net/if_dl.h>
|
|
#include <net/if_types.h>
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|
|
|
#include <net/bpf.h>
|
|
|
|
#ifdef INET
|
|
#include <netinet/in.h>
|
|
#include <netinet/in_var.h>
|
|
#include <netinet/if_inarp.h>
|
|
#endif
|
|
#include <net/if_fddi.h>
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|
|
|
#ifdef INET6
|
|
#ifndef INET
|
|
#include <netinet/in.h>
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|
#include <netinet/in_var.h>
|
|
#endif
|
|
#include <netinet6/nd6.h>
|
|
#endif
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|
|
|
|
|
#include "carp.h"
|
|
#if NCARP > 0
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|
#include <netinet/ip_carp.h>
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|
#endif
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|
|
|
#ifdef NETATALK
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|
#include <netatalk/at.h>
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|
#include <netatalk/at_var.h>
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|
#include <netatalk/at_extern.h>
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|
|
|
#define llc_snap_org_code llc_un.type_snap.org_code
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#define llc_snap_ether_type llc_un.type_snap.ether_type
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|
|
|
extern u_char at_org_code[ 3 ];
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|
extern u_char aarp_org_code[ 3 ];
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|
#endif /* NETATALK */
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|
|
|
|
|
|
|
#define senderr(e) { error = (e); goto bad;}
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|
|
|
/*
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|
* This really should be defined in if_llc.h but in case it isn't.
|
|
*/
|
|
#ifndef llc_snap
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|
#define llc_snap llc_un.type_snap
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|
#endif
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|
|
|
#define FDDIADDR(ifp) LLADDR((ifp)->if_sadl)
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|
#define CFDDIADDR(ifp) CLLADDR((ifp)->if_sadl)
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|
|
|
static int fddi_output(struct ifnet *, struct mbuf *,
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|
const struct sockaddr *, struct rtentry *);
|
|
static void fddi_input(struct ifnet *, struct mbuf *);
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|
|
|
/*
|
|
* FDDI output routine.
|
|
* Encapsulate a packet of type family for the local net.
|
|
* Assumes that ifp is actually pointer to ethercom structure.
|
|
*/
|
|
static int
|
|
fddi_output(struct ifnet *ifp0, struct mbuf *m0, const struct sockaddr *dst,
|
|
struct rtentry *rt)
|
|
{
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|
uint16_t etype;
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|
int error = 0, hdrcmplt = 0;
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|
uint8_t esrc[6], edst[6];
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|
struct mbuf *m = m0;
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struct fddi_header *fh;
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struct mbuf *mcopy = NULL;
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|
struct ifnet *ifp = ifp0;
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ALTQ_DECL(struct altq_pktattr pktattr;)
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MCLAIM(m, ifp->if_mowner);
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|
|
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#if NCARP > 0
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if (ifp->if_type == IFT_CARP) {
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|
struct ifaddr *ifa;
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|
|
/* loop back if this is going to the carp interface */
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|
if (dst != NULL && ifp0->if_link_state == LINK_STATE_UP &&
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(ifa = ifa_ifwithaddr(dst)) != NULL &&
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ifa->ifa_ifp == ifp0)
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return (looutput(ifp0, m, dst, rt));
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ifp = ifp->if_carpdev;
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/* ac = (struct arpcom *)ifp; */
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if ((ifp0->if_flags & (IFF_UP|IFF_RUNNING)) !=
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|
(IFF_UP|IFF_RUNNING))
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senderr(ENETDOWN);
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|
}
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|
#endif /* NCARP > 0 */
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|
if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
|
|
senderr(ENETDOWN);
|
|
|
|
/*
|
|
* If the queueing discipline needs packet classification,
|
|
* do it before prepending link headers.
|
|
*/
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|
IFQ_CLASSIFY(&ifp->if_snd, m, dst->sa_family, &pktattr);
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|
|
switch (dst->sa_family) {
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|
|
#ifdef INET
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|
case AF_INET: {
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if (m->m_flags & M_BCAST)
|
|
memcpy(edst, fddibroadcastaddr, sizeof(edst));
|
|
else if (m->m_flags & M_MCAST) {
|
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ETHER_MAP_IP_MULTICAST(&satocsin(dst)->sin_addr,
|
|
(char *)edst);
|
|
} else if ((error = arpresolve(ifp, rt, m, dst, edst)) != 0)
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return error == EWOULDBLOCK ? 0 : error;
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/* If broadcasting on a simplex interface, loopback a copy */
|
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if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX))
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mcopy = m_copy(m, 0, (int)M_COPYALL);
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etype = htons(ETHERTYPE_IP);
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break;
|
|
}
|
|
#endif
|
|
#ifdef INET6
|
|
case AF_INET6:
|
|
if (!nd6_storelladdr(ifp, rt, m, dst, edst, sizeof(edst))){
|
|
/* something bad happened */
|
|
return (0);
|
|
}
|
|
etype = htons(ETHERTYPE_IPV6);
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break;
|
|
#endif
|
|
#ifdef AF_ARP
|
|
case AF_ARP: {
|
|
struct arphdr *ah = mtod(m, struct arphdr *);
|
|
if (m->m_flags & M_BCAST)
|
|
memcpy(edst, etherbroadcastaddr, sizeof(edst));
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|
else {
|
|
void *tha = ar_tha(ah);
|
|
if (tha == NULL)
|
|
return 0;
|
|
memcpy(edst, tha, sizeof(edst));
|
|
}
|
|
|
|
ah->ar_hrd = htons(ARPHRD_ETHER);
|
|
|
|
switch (ntohs(ah->ar_op)) {
|
|
case ARPOP_REVREQUEST:
|
|
case ARPOP_REVREPLY:
|
|
etype = htons(ETHERTYPE_REVARP);
|
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break;
|
|
|
|
case ARPOP_REQUEST:
|
|
case ARPOP_REPLY:
|
|
default:
|
|
etype = htons(ETHERTYPE_ARP);
|
|
}
|
|
|
|
break;
|
|
}
|
|
#endif /* AF_ARP */
|
|
#ifdef NETATALK
|
|
case AF_APPLETALK: {
|
|
struct at_ifaddr *aa;
|
|
if (!aarpresolve(ifp, m, (const struct sockaddr_at *)dst, edst)) {
|
|
#ifdef NETATALKDEBUG
|
|
printf("aarpresolv: failed\n");
|
|
#endif
|
|
return (0);
|
|
}
|
|
/*
|
|
* ifaddr is the first thing in at_ifaddr
|
|
*/
|
|
if ((aa = (struct at_ifaddr *)at_ifawithnet(
|
|
(const struct sockaddr_at *)dst, ifp)) == NULL)
|
|
goto bad;
|
|
|
|
/*
|
|
* 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 value, we m_copy() the first mbuf, and use
|
|
* it for our llc header.
|
|
*/
|
|
if (aa->aa_flags & AFA_PHASE2) {
|
|
struct llc llc;
|
|
|
|
M_PREPEND(m, sizeof(struct llc), M_NOWAIT);
|
|
if (m == 0)
|
|
senderr(ENOBUFS);
|
|
llc.llc_dsap = llc.llc_ssap = LLC_SNAP_LSAP;
|
|
llc.llc_control = LLC_UI;
|
|
memcpy(llc.llc_snap_org_code, at_org_code,
|
|
sizeof(at_org_code));
|
|
llc.llc_snap_ether_type = htons(ETHERTYPE_ATALK);
|
|
memcpy(mtod(m, void *), &llc, sizeof(struct llc));
|
|
etype = 0;
|
|
} else {
|
|
etype = htons(ETHERTYPE_ATALK);
|
|
}
|
|
break;
|
|
}
|
|
#endif /* NETATALK */
|
|
|
|
case pseudo_AF_HDRCMPLT:
|
|
{
|
|
const struct fddi_header *fh1 =
|
|
(const struct fddi_header *)dst->sa_data;
|
|
hdrcmplt = 1;
|
|
memcpy(esrc, fh1->fddi_shost, sizeof (esrc));
|
|
/*FALLTHROUGH*/
|
|
}
|
|
|
|
case AF_LINK:
|
|
{
|
|
const struct fddi_header *fh1 =
|
|
(const struct fddi_header *)dst->sa_data;
|
|
memcpy(edst, fh1->fddi_dhost, sizeof (edst));
|
|
if (*edst & 1)
|
|
m->m_flags |= (M_BCAST|M_MCAST);
|
|
etype = 0;
|
|
break;
|
|
}
|
|
|
|
case AF_UNSPEC:
|
|
{
|
|
const struct ether_header *eh;
|
|
eh = (const struct ether_header *)dst->sa_data;
|
|
memcpy(edst, eh->ether_dhost, sizeof(edst));
|
|
if (*edst & 1)
|
|
m->m_flags |= (M_BCAST|M_MCAST);
|
|
etype = eh->ether_type;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
printf("%s: can't handle af%d\n", ifp->if_xname,
|
|
dst->sa_family);
|
|
senderr(EAFNOSUPPORT);
|
|
}
|
|
|
|
|
|
if (mcopy)
|
|
(void) looutput(ifp, mcopy, dst, rt);
|
|
if (etype != 0) {
|
|
struct llc *l;
|
|
M_PREPEND(m, sizeof (struct llc), M_DONTWAIT);
|
|
if (m == 0)
|
|
senderr(ENOBUFS);
|
|
l = mtod(m, struct llc *);
|
|
l->llc_control = LLC_UI;
|
|
l->llc_dsap = l->llc_ssap = LLC_SNAP_LSAP;
|
|
l->llc_snap.org_code[0] = l->llc_snap.org_code[1] = l->llc_snap.org_code[2] = 0;
|
|
memcpy(&l->llc_snap.ether_type, &etype, sizeof(uint16_t));
|
|
}
|
|
/*
|
|
* Add local net header. If no space in first mbuf,
|
|
* allocate another.
|
|
*/
|
|
M_PREPEND(m, sizeof (struct fddi_header), M_DONTWAIT);
|
|
if (m == 0)
|
|
senderr(ENOBUFS);
|
|
fh = mtod(m, struct fddi_header *);
|
|
fh->fddi_fc = FDDIFC_LLC_ASYNC|FDDIFC_LLC_PRIO4;
|
|
memcpy(fh->fddi_dhost, edst, sizeof (edst));
|
|
if (hdrcmplt)
|
|
memcpy(fh->fddi_shost, esrc, sizeof(fh->fddi_shost));
|
|
else
|
|
memcpy(fh->fddi_shost, CFDDIADDR(ifp), sizeof(fh->fddi_shost));
|
|
|
|
#if NCARP > 0
|
|
if (ifp0 != ifp && ifp0->if_type == IFT_CARP) {
|
|
if_set_sadl(ifp0, fh->fddi_shost, sizeof(fh->fddi_shost),
|
|
false);
|
|
}
|
|
|
|
if (ifp != ifp0)
|
|
ifp0->if_obytes += m->m_pkthdr.len;
|
|
#endif /* NCARP > 0 */
|
|
return ifq_enqueue(ifp, m ALTQ_COMMA ALTQ_DECL(&pktattr));
|
|
|
|
bad:
|
|
if (m)
|
|
m_freem(m);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Process a received FDDI packet;
|
|
* the packet is in the mbuf chain m with
|
|
* the fddi header.
|
|
*/
|
|
static void
|
|
fddi_input(struct ifnet *ifp, struct mbuf *m)
|
|
{
|
|
#if defined(INET) || defined(INET6)
|
|
pktqueue_t *pktq = NULL;
|
|
#endif
|
|
#if defined(NETATALK)
|
|
struct ifqueue *inq = NULL;
|
|
int isr = 0;
|
|
int s;
|
|
#endif
|
|
|
|
struct llc *l;
|
|
struct fddi_header *fh;
|
|
|
|
MCLAIM(m, &((struct ethercom *)ifp)->ec_rx_mowner);
|
|
if ((ifp->if_flags & IFF_UP) == 0) {
|
|
m_freem(m);
|
|
return;
|
|
}
|
|
|
|
fh = mtod(m, struct fddi_header *);
|
|
|
|
ifp->if_ibytes += m->m_pkthdr.len;
|
|
if (fh->fddi_dhost[0] & 1) {
|
|
if (memcmp(fddibroadcastaddr, fh->fddi_dhost,
|
|
sizeof(fddibroadcastaddr)) == 0)
|
|
m->m_flags |= M_BCAST;
|
|
else
|
|
m->m_flags |= M_MCAST;
|
|
ifp->if_imcasts++;
|
|
} else if ((ifp->if_flags & IFF_PROMISC)
|
|
&& memcmp(CFDDIADDR(ifp), (void *)fh->fddi_dhost,
|
|
sizeof(fh->fddi_dhost)) != 0) {
|
|
m_freem(m);
|
|
return;
|
|
}
|
|
|
|
#ifdef M_LINK0
|
|
/*
|
|
* If this has a LLC priority of 0, then mark it so upper
|
|
* layers have a hint that it really came via a FDDI/Ethernet
|
|
* bridge.
|
|
*/
|
|
if ((fh->fddi_fc & FDDIFC_LLC_PRIO7) == FDDIFC_LLC_PRIO0)
|
|
m->m_flags |= M_LINK0;
|
|
#endif
|
|
|
|
l = (struct llc *)(fh+1);
|
|
switch (l->llc_dsap) {
|
|
#if defined(INET) || defined(INET6) || defined(NETATALK)
|
|
case LLC_SNAP_LSAP:
|
|
{
|
|
uint16_t etype;
|
|
if (l->llc_control != LLC_UI || l->llc_ssap != LLC_SNAP_LSAP)
|
|
goto dropanyway;
|
|
|
|
/* Strip off the FDDI header. */
|
|
m_adj(m, sizeof(struct fddi_header));
|
|
|
|
#ifdef NETATALK
|
|
if (memcmp(&(l->llc_snap_org_code)[0], at_org_code,
|
|
sizeof(at_org_code)) == 0 &&
|
|
ntohs(l->llc_snap_ether_type) == ETHERTYPE_ATALK) {
|
|
inq = &atintrq2;
|
|
m_adj( m, sizeof( struct llc ));
|
|
isr = NETISR_ATALK;
|
|
break;
|
|
}
|
|
|
|
if (memcmp(&(l->llc_snap_org_code)[0], aarp_org_code,
|
|
sizeof(aarp_org_code)) == 0 &&
|
|
ntohs(l->llc_snap_ether_type) == ETHERTYPE_AARP) {
|
|
m_adj( m, sizeof( struct llc ));
|
|
aarpinput(ifp, m); /* XXX */
|
|
return;
|
|
}
|
|
#endif /* NETATALK */
|
|
if (l->llc_snap.org_code[0] != 0 || l->llc_snap.org_code[1] != 0|| l->llc_snap.org_code[2] != 0)
|
|
goto dropanyway;
|
|
etype = ntohs(l->llc_snap.ether_type);
|
|
m_adj(m, 8);
|
|
#if NCARP > 0
|
|
if (ifp->if_carp && ifp->if_type != IFT_CARP &&
|
|
(carp_input(m, (uint8_t *)&fh->fddi_shost,
|
|
(uint8_t *)&fh->fddi_dhost, l->llc_snap.ether_type) == 0))
|
|
return;
|
|
#endif
|
|
|
|
switch (etype) {
|
|
#ifdef INET
|
|
case ETHERTYPE_IP:
|
|
#ifdef GATEWAY
|
|
if (ipflow_fastforward(m))
|
|
return;
|
|
#endif
|
|
pktq = ip_pktq;
|
|
break;
|
|
|
|
case ETHERTYPE_ARP:
|
|
#if !defined(__bsdi__) || _BSDI_VERSION >= 199401
|
|
#if defined(NETATALK)
|
|
isr = NETISR_ARP;
|
|
inq = &arpintrq;
|
|
#endif
|
|
break;
|
|
#else
|
|
arpinput(ifp, m);
|
|
return;
|
|
#endif
|
|
#endif
|
|
#ifdef INET6
|
|
case ETHERTYPE_IPV6:
|
|
#ifdef GATEWAY
|
|
if (ip6flow_fastforward(&m))
|
|
return;
|
|
#endif
|
|
pktq = ip6_pktq;
|
|
break;
|
|
|
|
#endif
|
|
#ifdef NETATALK
|
|
case ETHERTYPE_ATALK:
|
|
isr = NETISR_ATALK;
|
|
inq = &atintrq1;
|
|
break;
|
|
case ETHERTYPE_AARP:
|
|
/* probably this should be done with a NETISR as well */
|
|
aarpinput(ifp, m); /* XXX */
|
|
return;
|
|
#endif /* NETATALK */
|
|
default:
|
|
ifp->if_noproto++;
|
|
goto dropanyway;
|
|
}
|
|
break;
|
|
}
|
|
#endif /* INET || NS */
|
|
|
|
default:
|
|
ifp->if_noproto++;
|
|
#if defined(INET) || defined(INET6) || defined(NETATALK)
|
|
dropanyway:
|
|
#endif
|
|
m_freem(m);
|
|
return;
|
|
}
|
|
|
|
#if defined(INET) || defined(INET6)
|
|
if (__predict_true(pktq)) {
|
|
if (__predict_false(!pktq_enqueue(pktq, m, 0))) {
|
|
m_freem(m);
|
|
}
|
|
return;
|
|
}
|
|
#endif
|
|
#if defined(NETATALK)
|
|
if (!inq) {
|
|
m_freem(m);
|
|
}
|
|
s = splnet();
|
|
if (IF_QFULL(inq)) {
|
|
IF_DROP(inq);
|
|
m_freem(m);
|
|
} else {
|
|
IF_ENQUEUE(inq, m);
|
|
schednetisr(isr);
|
|
}
|
|
splx(s);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Perform common duties while attaching to interface list
|
|
*/
|
|
void
|
|
fddi_ifattach(struct ifnet *ifp, void *lla)
|
|
{
|
|
struct ethercom *ec = (struct ethercom *)ifp;
|
|
|
|
ifp->if_type = IFT_FDDI;
|
|
ifp->if_hdrlen = 21;
|
|
ifp->if_dlt = DLT_FDDI;
|
|
ifp->if_mtu = FDDIMTU;
|
|
ifp->if_output = fddi_output;
|
|
ifp->if_input = fddi_input;
|
|
ifp->if_baudrate = IF_Mbps(100);
|
|
#ifdef IFF_NOTRAILERS
|
|
ifp->if_flags |= IFF_NOTRAILERS;
|
|
#endif
|
|
|
|
/*
|
|
* Update the max_linkhdr
|
|
*/
|
|
if (ALIGN(ifp->if_hdrlen) > max_linkhdr)
|
|
max_linkhdr = ALIGN(ifp->if_hdrlen);
|
|
|
|
LIST_INIT(&ec->ec_multiaddrs);
|
|
if_set_sadl(ifp, lla, 6, true);
|
|
|
|
ifp->if_broadcastaddr = fddibroadcastaddr;
|
|
bpf_attach(ifp, DLT_FDDI, sizeof(struct fddi_header));
|
|
#ifdef MBUFTRACE
|
|
strlcpy(ec->ec_tx_mowner.mo_name, ifp->if_xname,
|
|
sizeof(ec->ec_tx_mowner.mo_name));
|
|
strlcpy(ec->ec_tx_mowner.mo_descr, "tx",
|
|
sizeof(ec->ec_tx_mowner.mo_descr));
|
|
strlcpy(ec->ec_rx_mowner.mo_name, ifp->if_xname,
|
|
sizeof(ec->ec_rx_mowner.mo_name));
|
|
strlcpy(ec->ec_rx_mowner.mo_descr, "rx",
|
|
sizeof(ec->ec_rx_mowner.mo_descr));
|
|
MOWNER_ATTACH(&ec->ec_tx_mowner);
|
|
MOWNER_ATTACH(&ec->ec_rx_mowner);
|
|
ifp->if_mowner = &ec->ec_tx_mowner;
|
|
#endif
|
|
}
|