4d846d260e
The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix
145 lines
3.4 KiB
C
145 lines
3.4 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2009 Robert N. M. Watson
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
|
*/
|
|
|
|
/*
|
|
* When an interface has been detached but not yet freed, we set the various
|
|
* ifnet function pointers to "ifdead" versions. This prevents unexpected
|
|
* calls from the network stack into the device driver after if_detach() has
|
|
* returned.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_var.h>
|
|
#include <net/if_private.h>
|
|
|
|
static int
|
|
ifdead_output(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *sa,
|
|
struct route *ro)
|
|
{
|
|
|
|
m_freem(m);
|
|
return (ENXIO);
|
|
}
|
|
|
|
static void
|
|
ifdead_input(struct ifnet *ifp, struct mbuf *m)
|
|
{
|
|
|
|
m_freem(m);
|
|
}
|
|
|
|
static void
|
|
ifdead_start(struct ifnet *ifp)
|
|
{
|
|
|
|
}
|
|
|
|
static int
|
|
ifdead_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
|
|
{
|
|
|
|
return (ENXIO);
|
|
}
|
|
|
|
static int
|
|
ifdead_resolvemulti(struct ifnet *ifp, struct sockaddr **llsa,
|
|
struct sockaddr *sa)
|
|
{
|
|
|
|
*llsa = NULL;
|
|
return (ENXIO);
|
|
}
|
|
|
|
static void
|
|
ifdead_qflush(struct ifnet *ifp)
|
|
{
|
|
|
|
}
|
|
|
|
static int
|
|
ifdead_transmit(struct ifnet *ifp, struct mbuf *m)
|
|
{
|
|
|
|
m_freem(m);
|
|
return (ENXIO);
|
|
}
|
|
|
|
static uint64_t
|
|
ifdead_get_counter(struct ifnet *ifp, ift_counter cnt)
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ifdead_snd_tag_alloc(struct ifnet *ifp, union if_snd_tag_alloc_params *params,
|
|
struct m_snd_tag **ppmt)
|
|
{
|
|
return (EOPNOTSUPP);
|
|
}
|
|
|
|
static void
|
|
ifdead_ratelimit_query(struct ifnet *ifp __unused,
|
|
struct if_ratelimit_query_results *q)
|
|
{
|
|
/*
|
|
* This guy does not support
|
|
* this interface. Not sure
|
|
* why we would specify a
|
|
* flag on the interface
|
|
* that says we do.
|
|
*/
|
|
q->rate_table = NULL;
|
|
q->flags = RT_NOSUPPORT;
|
|
q->max_flows = 0;
|
|
q->number_of_rates = 0;
|
|
}
|
|
|
|
void
|
|
if_dead(struct ifnet *ifp)
|
|
{
|
|
|
|
ifp->if_output = ifdead_output;
|
|
ifp->if_input = ifdead_input;
|
|
ifp->if_start = ifdead_start;
|
|
ifp->if_ioctl = ifdead_ioctl;
|
|
ifp->if_resolvemulti = ifdead_resolvemulti;
|
|
ifp->if_qflush = ifdead_qflush;
|
|
ifp->if_transmit = ifdead_transmit;
|
|
ifp->if_get_counter = ifdead_get_counter;
|
|
ifp->if_snd_tag_alloc = ifdead_snd_tag_alloc;
|
|
ifp->if_ratelimit_query = ifdead_ratelimit_query;
|
|
}
|