9dfc8606eb
Discard and send ICMPv6 Packet Too Big to sender when we try to encapsulate and forward a packet which total length exceeds the PMTU. Logic is based on the IPv4 implementation. Common code was moved to a separate function. Differential revision: https://reviews.freebsd.org/D31771 Obtained from: Semihalf Sponsored by: Stormshield
85 lines
3.3 KiB
C
85 lines
3.3 KiB
C
/* $FreeBSD$ */
|
|
/* $KAME: ipsec.h,v 1.44 2001/03/23 08:08:47 itojun Exp $ */
|
|
|
|
/*-
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Copyright (C) 1995, 1996, 1997, and 1998 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.
|
|
*/
|
|
|
|
/*
|
|
* IPsec controller part.
|
|
*/
|
|
|
|
#ifndef _NETIPSEC_IPSEC6_H_
|
|
#define _NETIPSEC_IPSEC6_H_
|
|
|
|
#include <net/pfkeyv2.h>
|
|
#include <netipsec/keydb.h>
|
|
|
|
#ifdef _KERNEL
|
|
#include <sys/counter.h>
|
|
|
|
VNET_PCPUSTAT_DECLARE(struct ipsecstat, ipsec6stat);
|
|
VNET_DECLARE(int, ip6_esp_trans_deflev);
|
|
VNET_DECLARE(int, ip6_esp_net_deflev);
|
|
VNET_DECLARE(int, ip6_ah_trans_deflev);
|
|
VNET_DECLARE(int, ip6_ah_net_deflev);
|
|
VNET_DECLARE(int, ip6_ipsec_ecn);
|
|
|
|
#define IPSEC6STAT_INC(name) \
|
|
VNET_PCPUSTAT_ADD(struct ipsecstat, ipsec6stat, name, 1)
|
|
#define V_ip6_esp_trans_deflev VNET(ip6_esp_trans_deflev)
|
|
#define V_ip6_esp_net_deflev VNET(ip6_esp_net_deflev)
|
|
#define V_ip6_ah_trans_deflev VNET(ip6_ah_trans_deflev)
|
|
#define V_ip6_ah_net_deflev VNET(ip6_ah_net_deflev)
|
|
#define V_ip6_ipsec_ecn VNET(ip6_ipsec_ecn)
|
|
|
|
struct inpcb;
|
|
struct secpolicy *ipsec6_checkpolicy(const struct mbuf *,
|
|
struct inpcb *, int *, int);
|
|
|
|
void ipsec6_setsockaddrs(const struct mbuf *, union sockaddr_union *,
|
|
union sockaddr_union *);
|
|
int ipsec6_input(struct mbuf *, int, int);
|
|
int ipsec6_in_reject(const struct mbuf *, struct inpcb *);
|
|
int ipsec6_forward(struct mbuf *);
|
|
int ipsec6_pcbctl(struct inpcb *, struct sockopt *);
|
|
int ipsec6_output(struct mbuf *, struct inpcb *);
|
|
int ipsec6_capability(struct mbuf *, u_int);
|
|
int ipsec6_common_input_cb(struct mbuf *, struct secasvar *, int, int);
|
|
int ipsec6_ctlinput(int, struct sockaddr *, void *);
|
|
int ipsec6_check_pmtu(struct mbuf *, struct secpolicy *, int);
|
|
int ipsec6_process_packet(struct mbuf *, struct secpolicy *, struct inpcb *);
|
|
|
|
int ip6_ipsec_filtertunnel(struct mbuf *);
|
|
int ip6_ipsec_pcbctl(struct inpcb *, struct sockopt *);
|
|
#endif /*_KERNEL*/
|
|
|
|
#endif /*_NETIPSEC_IPSEC6_H_*/
|