815 lines
19 KiB
C
815 lines
19 KiB
C
/* $NetBSD: natm.c,v 1.5 1996/11/09 03:26:26 chuck Exp $ */
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/*
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*
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* Copyright (c) 1996 Charles D. Cranor and Washington University.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Charles D. Cranor and
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* Washington University.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* natm.c: native mode ATM access (both aal0 and aal5).
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/sockio.h>
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#include <sys/protosw.h>
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <net/if.h>
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#include <net/if_atm.h>
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#include <net/netisr.h>
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#include <netinet/in.h>
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#include <netnatm/natm.h>
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static u_long natm5_sendspace = 16*1024;
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static u_long natm5_recvspace = 16*1024;
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static u_long natm0_sendspace = 16*1024;
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static u_long natm0_recvspace = 16*1024;
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/*
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* user requests
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*/
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#ifdef FREEBSD_USRREQS
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/*
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* FreeBSD new usrreqs supersedes pr_usrreq.
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*/
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static int natm_usr_attach __P((struct socket *, int, struct proc *));
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static int natm_usr_detach __P((struct socket *));
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static int natm_usr_connect __P((struct socket *, struct sockaddr *,
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struct proc *));
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static int natm_usr_disconnect __P((struct socket *));
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static int natm_usr_shutdown __P((struct socket *));
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static int natm_usr_send __P((struct socket *, int, struct mbuf *,
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struct sockaddr *, struct mbuf *,
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struct proc *));
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static int natm_usr_peeraddr __P((struct socket *, struct sockaddr **));
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static int natm_usr_control __P((struct socket *, int, caddr_t,
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struct ifnet *, struct proc *));
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static int natm_usr_abort __P((struct socket *));
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static int natm_usr_bind __P((struct socket *, struct sockaddr *,
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struct proc *));
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static int natm_usr_sockaddr __P((struct socket *, struct sockaddr **));
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static int
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natm_usr_attach(struct socket *so, int proto, struct proc *p)
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{
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struct natmpcb *npcb;
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int error = 0;
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int s = SPLSOFTNET();
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npcb = (struct natmpcb *) so->so_pcb;
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if (npcb) {
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error = EISCONN;
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goto out;
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}
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if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
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if (proto == PROTO_NATMAAL5)
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error = soreserve(so, natm5_sendspace, natm5_recvspace);
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else
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error = soreserve(so, natm0_sendspace, natm0_recvspace);
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if (error)
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goto out;
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}
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so->so_pcb = (caddr_t) (npcb = npcb_alloc(M_WAITOK));
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npcb->npcb_socket = so;
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out:
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splx(s);
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return (error);
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}
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static int
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natm_usr_detach(struct socket *so)
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{
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struct natmpcb *npcb;
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int error = 0;
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int s = SPLSOFTNET();
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npcb = (struct natmpcb *) so->so_pcb;
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if (npcb == NULL) {
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error = EINVAL;
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goto out;
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}
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/*
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* we turn on 'drain' *before* we sofree.
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*/
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npcb_free(npcb, NPCB_DESTROY); /* drain */
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so->so_pcb = NULL;
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sofree(so);
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out:
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splx(s);
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return (error);
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}
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static int
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natm_usr_connect(struct socket *so, struct sockaddr *nam, struct proc *p)
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{
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struct natmpcb *npcb;
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struct sockaddr_natm *snatm;
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struct atm_pseudoioctl api;
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struct atm_pseudohdr *aph;
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struct ifnet *ifp;
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int error = 0;
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int s2, s = SPLSOFTNET();
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int proto = so->so_proto->pr_protocol;
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npcb = (struct natmpcb *) so->so_pcb;
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if (npcb == NULL) {
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error = EINVAL;
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goto out;
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}
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/*
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* validate nam and npcb
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*/
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snatm = (struct sockaddr_natm *)nam;
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if (snatm->snatm_len != sizeof(*snatm) ||
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(npcb->npcb_flags & NPCB_FREE) == 0) {
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error = EINVAL;
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goto out;
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}
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if (snatm->snatm_family != AF_NATM) {
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error = EAFNOSUPPORT;
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goto out;
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}
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snatm->snatm_if[IFNAMSIZ-1] = '\0'; /* XXX ensure null termination
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since ifunit() uses strcmp */
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/*
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* convert interface string to ifp, validate.
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*/
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ifp = ifunit(snatm->snatm_if);
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if (ifp == NULL || (ifp->if_flags & IFF_RUNNING) == 0) {
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error = ENXIO;
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goto out;
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}
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if (ifp->if_output != atm_output) {
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error = EAFNOSUPPORT;
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goto out;
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}
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/*
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* register us with the NATM PCB layer
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*/
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if (npcb_add(npcb, ifp, snatm->snatm_vci, snatm->snatm_vpi) != npcb) {
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error = EADDRINUSE;
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goto out;
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}
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/*
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* enable rx
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*/
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ATM_PH_FLAGS(&api.aph) = (proto == PROTO_NATMAAL5) ? ATM_PH_AAL5 : 0;
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ATM_PH_VPI(&api.aph) = npcb->npcb_vpi;
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ATM_PH_SETVCI(&api.aph, npcb->npcb_vci);
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api.rxhand = npcb;
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s2 = splimp();
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if (ifp->if_ioctl == NULL ||
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ifp->if_ioctl(ifp, SIOCATMENA, (caddr_t) &api) != 0) {
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splx(s2);
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npcb_free(npcb, NPCB_REMOVE);
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error = EIO;
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goto out;
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}
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splx(s2);
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soisconnected(so);
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out:
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splx(s);
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return (error);
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}
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static int
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natm_usr_disconnect(struct socket *so)
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{
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struct natmpcb *npcb;
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struct sockaddr_natm *snatm;
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struct atm_pseudoioctl api;
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struct atm_pseudohdr *aph;
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struct ifnet *ifp;
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int error = 0;
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int s2, s = SPLSOFTNET();
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int proto = so->so_proto->pr_protocol;
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npcb = (struct natmpcb *) so->so_pcb;
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if (npcb == NULL) {
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error = EINVAL;
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goto out;
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}
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if ((npcb->npcb_flags & NPCB_CONNECTED) == 0) {
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printf("natm: disconnected check\n");
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error = EIO;
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goto out;
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}
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ifp = npcb->npcb_ifp;
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/*
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* disable rx
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*/
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ATM_PH_FLAGS(&api.aph) = ATM_PH_AAL5;
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ATM_PH_VPI(&api.aph) = npcb->npcb_vpi;
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ATM_PH_SETVCI(&api.aph, npcb->npcb_vci);
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api.rxhand = npcb;
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s2 = splimp();
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if (ifp->if_ioctl != NULL)
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ifp->if_ioctl(ifp, SIOCATMDIS, (caddr_t) &api);
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splx(s2);
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npcb_free(npcb, NPCB_REMOVE);
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soisdisconnected(so);
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out:
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splx(s);
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return (error);
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}
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static int
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natm_usr_shutdown(struct socket *so)
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{
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socantsendmore(so);
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return 0;
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}
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static int
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natm_usr_send(struct socket *so, int flags, struct mbuf *m,
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struct sockaddr *nam, struct mbuf *control, struct proc *p)
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{
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struct natmpcb *npcb;
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struct atm_pseudohdr *aph;
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int error = 0;
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int s = SPLSOFTNET();
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int proto = so->so_proto->pr_protocol;
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npcb = (struct natmpcb *) so->so_pcb;
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if (npcb == NULL) {
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error = EINVAL;
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goto out;
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}
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if (control && control->m_len) {
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m_freem(control);
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m_freem(m);
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error = EINVAL;
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goto out;
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}
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/*
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* send the data. we must put an atm_pseudohdr on first
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*/
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M_PREPEND(m, sizeof(*aph), M_WAITOK);
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if (m == NULL) {
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error = ENOBUFS;
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goto out;
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}
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aph = mtod(m, struct atm_pseudohdr *);
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ATM_PH_VPI(aph) = npcb->npcb_vpi;
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ATM_PH_SETVCI(aph, npcb->npcb_vci);
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ATM_PH_FLAGS(aph) = (proto == PROTO_NATMAAL5) ? ATM_PH_AAL5 : 0;
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error = atm_output(npcb->npcb_ifp, m, NULL, NULL);
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out:
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splx(s);
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return (error);
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}
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static int
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natm_usr_peeraddr(struct socket *so, struct sockaddr **nam)
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{
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struct natmpcb *npcb;
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struct sockaddr_natm *snatm, ssnatm;
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int error = 0;
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int s = SPLSOFTNET();
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npcb = (struct natmpcb *) so->so_pcb;
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if (npcb == NULL) {
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error = EINVAL;
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goto out;
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}
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snatm = &ssnatm;
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bzero(snatm, sizeof(*snatm));
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snatm->snatm_len = sizeof(*snatm);
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snatm->snatm_family = AF_NATM;
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sprintf(snatm->snatm_if, "%s%d", npcb->npcb_ifp->if_name,
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npcb->npcb_ifp->if_unit);
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snatm->snatm_vci = npcb->npcb_vci;
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snatm->snatm_vpi = npcb->npcb_vpi;
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*nam = dup_sockaddr((struct sockaddr *)snatm, 0);
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out:
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splx(s);
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return (error);
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}
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static int
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natm_usr_control(struct socket *so, int cmd, caddr_t arg,
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struct ifnet *ifp, struct proc *p)
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{
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struct natmpcb *npcb;
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struct atm_rawioctl ario;
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int error = 0;
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int s = SPLSOFTNET();
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npcb = (struct natmpcb *) so->so_pcb;
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if (npcb == NULL) {
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error = EINVAL;
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goto out;
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}
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/*
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* raw atm ioctl. comes in as a SIOCRAWATM. we convert it to
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* SIOCXRAWATM and pass it to the driver.
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*/
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if (cmd == SIOCRAWATM) {
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if (npcb->npcb_ifp == NULL) {
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error = ENOTCONN;
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goto out;
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}
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ario.npcb = npcb;
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ario.rawvalue = *((int *)arg);
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error = npcb->npcb_ifp->if_ioctl(npcb->npcb_ifp,
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SIOCXRAWATM, (caddr_t) &ario);
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if (!error) {
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if (ario.rawvalue)
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npcb->npcb_flags |= NPCB_RAW;
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else
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npcb->npcb_flags &= ~(NPCB_RAW);
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}
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}
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else
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error = EOPNOTSUPP;
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out:
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splx(s);
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return (error);
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}
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static int
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natm_usr_abort(struct socket *so)
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{
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return natm_usr_shutdown(so);
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}
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static int
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natm_usr_bind(struct socket *so, struct sockaddr *nam, struct proc *p)
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{
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return EOPNOTSUPP;
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}
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static int
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natm_usr_sockaddr(struct socket *so, struct sockaddr **nam)
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{
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return EOPNOTSUPP;
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}
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/* xxx - should be const */
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struct pr_usrreqs natm_usrreqs = {
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natm_usr_abort, pru_accept_notsupp, natm_usr_attach, natm_usr_bind,
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natm_usr_connect, pru_connect2_notsupp, natm_usr_control,
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natm_usr_detach, natm_usr_disconnect, pru_listen_notsupp,
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natm_usr_peeraddr, pru_rcvd_notsupp, pru_rcvoob_notsupp,
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natm_usr_send, pru_sense_null, natm_usr_shutdown,
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natm_usr_sockaddr, sosend, soreceive, sopoll
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};
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#else /* !FREEBSD_USRREQS */
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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int natm_usrreq(so, req, m, nam, control, p)
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#elif defined(__FreeBSD__)
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int natm_usrreq(so, req, m, nam, control)
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#endif
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struct socket *so;
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int req;
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struct mbuf *m, *nam, *control;
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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struct proc *p;
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#endif
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{
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int error = 0, s, s2;
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struct natmpcb *npcb;
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struct sockaddr_natm *snatm;
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struct atm_pseudoioctl api;
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struct atm_pseudohdr *aph;
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struct atm_rawioctl ario;
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struct ifnet *ifp;
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int proto = so->so_proto->pr_protocol;
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s = SPLSOFTNET();
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npcb = (struct natmpcb *) so->so_pcb;
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|
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if (npcb == NULL && req != PRU_ATTACH) {
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error = EINVAL;
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goto done;
|
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}
|
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|
|
|
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switch (req) {
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case PRU_ATTACH: /* attach protocol to up */
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|
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if (npcb) {
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error = EISCONN;
|
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break;
|
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}
|
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|
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if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
|
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if (proto == PROTO_NATMAAL5)
|
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error = soreserve(so, natm5_sendspace, natm5_recvspace);
|
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else
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error = soreserve(so, natm0_sendspace, natm0_recvspace);
|
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if (error)
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break;
|
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}
|
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|
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so->so_pcb = (caddr_t) (npcb = npcb_alloc(M_WAITOK));
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npcb->npcb_socket = so;
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|
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break;
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|
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case PRU_DETACH: /* detach protocol from up */
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|
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/*
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* we turn on 'drain' *before* we sofree.
|
|
*/
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|
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npcb_free(npcb, NPCB_DESTROY); /* drain */
|
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so->so_pcb = NULL;
|
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sofree(so);
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|
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break;
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|
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case PRU_CONNECT: /* establish connection to peer */
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|
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/*
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* validate nam and npcb
|
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*/
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|
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if (nam->m_len != sizeof(*snatm)) {
|
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error = EINVAL;
|
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break;
|
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}
|
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snatm = mtod(nam, struct sockaddr_natm *);
|
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if (snatm->snatm_len != sizeof(*snatm) ||
|
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(npcb->npcb_flags & NPCB_FREE) == 0) {
|
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error = EINVAL;
|
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break;
|
|
}
|
|
if (snatm->snatm_family != AF_NATM) {
|
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error = EAFNOSUPPORT;
|
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break;
|
|
}
|
|
|
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snatm->snatm_if[IFNAMSIZ-1] = '\0'; /* XXX ensure null termination
|
|
since ifunit() uses strcmp */
|
|
|
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/*
|
|
* convert interface string to ifp, validate.
|
|
*/
|
|
|
|
ifp = ifunit(snatm->snatm_if);
|
|
if (ifp == NULL || (ifp->if_flags & IFF_RUNNING) == 0) {
|
|
error = ENXIO;
|
|
break;
|
|
}
|
|
if (ifp->if_output != atm_output) {
|
|
error = EAFNOSUPPORT;
|
|
break;
|
|
}
|
|
|
|
|
|
/*
|
|
* register us with the NATM PCB layer
|
|
*/
|
|
|
|
if (npcb_add(npcb, ifp, snatm->snatm_vci, snatm->snatm_vpi) != npcb) {
|
|
error = EADDRINUSE;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* enable rx
|
|
*/
|
|
|
|
ATM_PH_FLAGS(&api.aph) = (proto == PROTO_NATMAAL5) ? ATM_PH_AAL5 : 0;
|
|
ATM_PH_VPI(&api.aph) = npcb->npcb_vpi;
|
|
ATM_PH_SETVCI(&api.aph, npcb->npcb_vci);
|
|
api.rxhand = npcb;
|
|
s2 = splimp();
|
|
if (ifp->if_ioctl == NULL ||
|
|
ifp->if_ioctl(ifp, SIOCATMENA, (caddr_t) &api) != 0) {
|
|
splx(s2);
|
|
npcb_free(npcb, NPCB_REMOVE);
|
|
error = EIO;
|
|
break;
|
|
}
|
|
splx(s2);
|
|
|
|
soisconnected(so);
|
|
|
|
break;
|
|
|
|
case PRU_DISCONNECT: /* disconnect from peer */
|
|
|
|
if ((npcb->npcb_flags & NPCB_CONNECTED) == 0) {
|
|
printf("natm: disconnected check\n");
|
|
error = EIO;
|
|
break;
|
|
}
|
|
ifp = npcb->npcb_ifp;
|
|
|
|
/*
|
|
* disable rx
|
|
*/
|
|
|
|
ATM_PH_FLAGS(&api.aph) = ATM_PH_AAL5;
|
|
ATM_PH_VPI(&api.aph) = npcb->npcb_vpi;
|
|
ATM_PH_SETVCI(&api.aph, npcb->npcb_vci);
|
|
api.rxhand = npcb;
|
|
s2 = splimp();
|
|
if (ifp->if_ioctl != NULL)
|
|
ifp->if_ioctl(ifp, SIOCATMDIS, (caddr_t) &api);
|
|
splx(s2);
|
|
|
|
npcb_free(npcb, NPCB_REMOVE);
|
|
soisdisconnected(so);
|
|
|
|
break;
|
|
|
|
case PRU_SHUTDOWN: /* won't send any more data */
|
|
socantsendmore(so);
|
|
break;
|
|
|
|
case PRU_SEND: /* send this data */
|
|
if (control && control->m_len) {
|
|
m_freem(control);
|
|
m_freem(m);
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* send the data. we must put an atm_pseudohdr on first
|
|
*/
|
|
|
|
M_PREPEND(m, sizeof(*aph), M_WAITOK);
|
|
if (m == NULL) {
|
|
error = ENOBUFS;
|
|
break;
|
|
}
|
|
aph = mtod(m, struct atm_pseudohdr *);
|
|
ATM_PH_VPI(aph) = npcb->npcb_vpi;
|
|
ATM_PH_SETVCI(aph, npcb->npcb_vci);
|
|
ATM_PH_FLAGS(aph) = (proto == PROTO_NATMAAL5) ? ATM_PH_AAL5 : 0;
|
|
|
|
error = atm_output(npcb->npcb_ifp, m, NULL, NULL);
|
|
|
|
break;
|
|
|
|
case PRU_SENSE: /* return status into m */
|
|
/* return zero? */
|
|
break;
|
|
|
|
case PRU_PEERADDR: /* fetch peer's address */
|
|
snatm = mtod(nam, struct sockaddr_natm *);
|
|
bzero(snatm, sizeof(*snatm));
|
|
nam->m_len = snatm->snatm_len = sizeof(*snatm);
|
|
snatm->snatm_family = AF_NATM;
|
|
#if defined(__NetBSD__) || defined(__OpenBSD__)
|
|
bcopy(npcb->npcb_ifp->if_xname, snatm->snatm_if, sizeof(snatm->snatm_if));
|
|
#elif defined(__FreeBSD__)
|
|
sprintf(snatm->snatm_if, "%s%d", npcb->npcb_ifp->if_name,
|
|
npcb->npcb_ifp->if_unit);
|
|
#endif
|
|
snatm->snatm_vci = npcb->npcb_vci;
|
|
snatm->snatm_vpi = npcb->npcb_vpi;
|
|
break;
|
|
|
|
case PRU_CONTROL: /* control operations on protocol */
|
|
/*
|
|
* raw atm ioctl. comes in as a SIOCRAWATM. we convert it to
|
|
* SIOCXRAWATM and pass it to the driver.
|
|
*/
|
|
if ((u_long)m == SIOCRAWATM) {
|
|
if (npcb->npcb_ifp == NULL) {
|
|
error = ENOTCONN;
|
|
break;
|
|
}
|
|
ario.npcb = npcb;
|
|
ario.rawvalue = *((int *)nam);
|
|
error = npcb->npcb_ifp->if_ioctl(npcb->npcb_ifp,
|
|
SIOCXRAWATM, (caddr_t) &ario);
|
|
if (!error) {
|
|
if (ario.rawvalue)
|
|
npcb->npcb_flags |= NPCB_RAW;
|
|
else
|
|
npcb->npcb_flags &= ~(NPCB_RAW);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
error = EOPNOTSUPP;
|
|
break;
|
|
|
|
case PRU_BIND: /* bind socket to address */
|
|
case PRU_LISTEN: /* listen for connection */
|
|
case PRU_ACCEPT: /* accept connection from peer */
|
|
case PRU_CONNECT2: /* connect two sockets */
|
|
case PRU_ABORT: /* abort (fast DISCONNECT, DETATCH) */
|
|
/* (only happens if LISTEN socket) */
|
|
case PRU_RCVD: /* have taken data; more room now */
|
|
case PRU_FASTTIMO: /* 200ms timeout */
|
|
case PRU_SLOWTIMO: /* 500ms timeout */
|
|
case PRU_RCVOOB: /* retrieve out of band data */
|
|
case PRU_SENDOOB: /* send out of band data */
|
|
case PRU_PROTORCV: /* receive from below */
|
|
case PRU_PROTOSEND: /* send to below */
|
|
case PRU_SOCKADDR: /* fetch socket's address */
|
|
#ifdef DIAGNOSTIC
|
|
printf("natm: PRU #%d unsupported\n", req);
|
|
#endif
|
|
error = EOPNOTSUPP;
|
|
break;
|
|
|
|
default: panic("natm usrreq");
|
|
}
|
|
|
|
done:
|
|
splx(s);
|
|
return(error);
|
|
}
|
|
|
|
#endif /* !FREEBSD_USRREQS */
|
|
|
|
/*
|
|
* natmintr: splsoftnet interrupt
|
|
*
|
|
* note: we expect a socket pointer in rcvif rather than an interface
|
|
* pointer. we can get the interface pointer from the so's PCB if
|
|
* we really need it.
|
|
*/
|
|
|
|
void
|
|
natmintr()
|
|
|
|
{
|
|
int s;
|
|
struct mbuf *m;
|
|
struct socket *so;
|
|
struct natmpcb *npcb;
|
|
|
|
next:
|
|
s = splimp();
|
|
IF_DEQUEUE(&natmintrq, m);
|
|
splx(s);
|
|
if (m == NULL)
|
|
return;
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if ((m->m_flags & M_PKTHDR) == 0)
|
|
panic("natmintr no HDR");
|
|
#endif
|
|
|
|
npcb = (struct natmpcb *) m->m_pkthdr.rcvif; /* XXX: overloaded */
|
|
so = npcb->npcb_socket;
|
|
|
|
s = splimp(); /* could have atm devs @ different levels */
|
|
npcb->npcb_inq--;
|
|
splx(s);
|
|
|
|
if (npcb->npcb_flags & NPCB_DRAIN) {
|
|
m_freem(m);
|
|
if (npcb->npcb_inq == 0)
|
|
FREE(npcb, M_PCB); /* done! */
|
|
goto next;
|
|
}
|
|
|
|
if (npcb->npcb_flags & NPCB_FREE) {
|
|
m_freem(m); /* drop */
|
|
goto next;
|
|
}
|
|
|
|
#ifdef NEED_TO_RESTORE_IFP
|
|
m->m_pkthdr.rcvif = npcb->npcb_ifp;
|
|
#else
|
|
#ifdef DIAGNOSTIC
|
|
m->m_pkthdr.rcvif = NULL; /* null it out to be safe */
|
|
#endif
|
|
#endif
|
|
|
|
if (sbspace(&so->so_rcv) > m->m_pkthdr.len ||
|
|
((npcb->npcb_flags & NPCB_RAW) != 0 && so->so_rcv.sb_cc < NPCB_RAWCC) ) {
|
|
#ifdef NATM_STAT
|
|
natm_sookcnt++;
|
|
natm_sookbytes += m->m_pkthdr.len;
|
|
#endif
|
|
sbappendrecord(&so->so_rcv, m);
|
|
sorwakeup(so);
|
|
} else {
|
|
#ifdef NATM_STAT
|
|
natm_sodropcnt++;
|
|
natm_sodropbytes += m->m_pkthdr.len;
|
|
#endif
|
|
m_freem(m);
|
|
}
|
|
|
|
goto next;
|
|
}
|
|
|
|
#if defined(__FreeBSD__)
|
|
NETISR_SET(NETISR_NATM, natmintr);
|
|
#endif
|
|
|
|
|
|
/*
|
|
* natm0_sysctl: not used, but here in case we want to add something
|
|
* later...
|
|
*/
|
|
|
|
int natm0_sysctl(name, namelen, oldp, oldlenp, newp, newlen)
|
|
|
|
int *name;
|
|
u_int namelen;
|
|
void *oldp;
|
|
size_t *oldlenp;
|
|
void *newp;
|
|
size_t newlen;
|
|
|
|
{
|
|
/* All sysctl names at this level are terminal. */
|
|
if (namelen != 1)
|
|
return (ENOTDIR);
|
|
return (ENOPROTOOPT);
|
|
}
|
|
|
|
/*
|
|
* natm5_sysctl: not used, but here in case we want to add something
|
|
* later...
|
|
*/
|
|
|
|
int natm5_sysctl(name, namelen, oldp, oldlenp, newp, newlen)
|
|
|
|
int *name;
|
|
u_int namelen;
|
|
void *oldp;
|
|
size_t *oldlenp;
|
|
void *newp;
|
|
size_t newlen;
|
|
|
|
{
|
|
/* All sysctl names at this level are terminal. */
|
|
if (namelen != 1)
|
|
return (ENOTDIR);
|
|
return (ENOPROTOOPT);
|
|
}
|