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/* $OpenBSD: mpls_raw.c,v 1.12 2015/07/20 21:16:39 rzalamena Exp $ */
/*
* Copyright (C) 1999, 2000 and 2001 AYAME Project, WIDE Project.
* 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. 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.
*/
#include <sys/param.h>
#include <sys/mbuf.h>
#include <sys/errno.h>
#include <sys/protosw.h>
#include <sys/sockio.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/systm.h>
#include <sys/sysctl.h>
#include <net/if.h>
#include <net/if_var.h>
#include <net/if_types.h>
#include <netmpls/mpls.h>
#define MPLS_RAW_SNDQ 8192
#define MPLS_RAW_RCVQ 8192
u_long mpls_raw_sendspace = MPLS_RAW_SNDQ;
u_long mpls_raw_recvspace = MPLS_RAW_RCVQ;
int mpls_defttl = 255;
int mpls_inkloop = MPLS_INKERNEL_LOOP_MAX;
int mpls_push_expnull_ip = 0;
int mpls_push_expnull_ip6 = 0;
int mpls_mapttl_ip = 1;
int mpls_mapttl_ip6 = 0;
int *mplsctl_vars[MPLSCTL_MAXID] = MPLSCTL_VARS;
int mpls_control(struct socket *, u_long, caddr_t, struct ifnet *);
/*
* Generic MPLS control operations (ioctl's).
* Ifp is 0 if not an interface-specific ioctl.
*/
/* ARGSUSED */
int
mpls_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp)
{
return (EOPNOTSUPP);
}
int
mpls_raw_usrreq(struct socket *so, int req, struct mbuf *m, struct mbuf *nam,
struct mbuf *control, struct proc *p)
{
int error = 0;
#ifdef MPLS_DEBUG
printf("mpls_raw_usrreq: called! (reqid=%d).\n", req);
#endif /* MPLS_DEBUG */
if (req == PRU_CONTROL)
return (mpls_control(so, (u_long)m, (caddr_t)nam,
(struct ifnet *)control));
switch (req) {
case PRU_ATTACH:
if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
error = soreserve(so, mpls_raw_sendspace,
mpls_raw_recvspace);
if (error)
break;
}
break;
case PRU_DETACH:
case PRU_BIND:
case PRU_LISTEN:
case PRU_CONNECT:
case PRU_CONNECT2:
case PRU_DISCONNECT:
case PRU_SHUTDOWN:
case PRU_RCVD:
case PRU_SEND:
case PRU_SENSE:
case PRU_RCVOOB:
case PRU_SENDOOB:
case PRU_SOCKADDR:
case PRU_PEERADDR:
error = EOPNOTSUPP;
break;
default:
panic("mpls_raw_usrreq");
}
return (error);
}
int
mpls_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp,
size_t newlen)
{
if (name[0] >= MPLSCTL_MAXID)
return (EOPNOTSUPP);
/* Almost all sysctl names at this level are terminal. */
if (namelen != 1)
return (ENOTDIR);
switch (name[0]) {
default:
return sysctl_int_arr(mplsctl_vars, name, namelen,
oldp, oldlenp, newp, newlen);
}
}
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