2 * Copyright (c) 1982, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)in_proto.c 8.2 (Berkeley) 2/9/95
34 * $FreeBSD: src/sys/netinet/in_proto.c,v 1.53.2.6 2003/01/24 05:11:34 sam Exp $
35 * $DragonFly: src/sys/netinet/in_proto.c,v 1.2 2003/06/17 04:28:51 dillon Exp $
38 #include "opt_ipdivert.h"
40 #include "opt_ipsec.h"
41 #include "opt_inet6.h"
43 #include <sys/param.h>
44 #include <sys/kernel.h>
45 #include <sys/socket.h>
46 #include <sys/domain.h>
47 #include <sys/protosw.h>
48 #include <sys/queue.h>
49 #include <sys/sysctl.h>
52 #include <net/route.h>
54 #include <netinet/in.h>
55 #include <netinet/in_systm.h>
56 #include <netinet/ip.h>
57 #include <netinet/ip_var.h>
58 #include <netinet/ip_icmp.h>
59 #include <netinet/igmp_var.h>
60 #include <netinet/tcp.h>
61 #include <netinet/tcp_timer.h>
62 #include <netinet/tcp_var.h>
63 #include <netinet/udp.h>
64 #include <netinet/udp_var.h>
65 #include <netinet/ip_encap.h>
67 #include <netinet/ipprotosw.h>
70 * TCP/IP protocol family: IP, ICMP, UDP, TCP.
74 #include <netinet6/ipsec.h>
75 #include <netinet6/ah.h>
77 #include <netinet6/esp.h>
79 #include <netinet6/ipcomp.h>
83 #include <netipsec/ipsec.h>
84 #endif /* FAST_IPSEC */
87 #include <netipx/ipx_ip.h>
92 #include <netns/ns_if.h>
95 extern struct domain inetdomain;
96 static struct pr_usrreqs nousrreqs;
98 struct ipprotosw inetsw[] = {
99 { 0, &inetdomain, 0, 0,
102 ip_init, 0, ip_slowtimo, ip_drain,
105 { SOCK_DGRAM, &inetdomain, IPPROTO_UDP, PR_ATOMIC|PR_ADDR,
106 udp_input, 0, udp_ctlinput, ip_ctloutput,
111 { SOCK_STREAM, &inetdomain, IPPROTO_TCP,
112 PR_CONNREQUIRED|PR_IMPLOPCL|PR_WANTRCVD,
113 tcp_input, 0, tcp_ctlinput, tcp_ctloutput,
115 tcp_init, 0, tcp_slowtimo, tcp_drain,
118 { SOCK_RAW, &inetdomain, IPPROTO_RAW, PR_ATOMIC|PR_ADDR,
119 rip_input, 0, rip_ctlinput, rip_ctloutput,
124 { SOCK_RAW, &inetdomain, IPPROTO_ICMP, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
125 icmp_input, 0, 0, rip_ctloutput,
130 { SOCK_RAW, &inetdomain, IPPROTO_IGMP, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
131 igmp_input, 0, 0, rip_ctloutput,
133 igmp_init, igmp_fasttimo, igmp_slowtimo, 0,
136 { SOCK_RAW, &inetdomain, IPPROTO_RSVP, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
137 rsvp_input, 0, 0, rip_ctloutput,
143 { SOCK_RAW, &inetdomain, IPPROTO_AH, PR_ATOMIC|PR_ADDR,
150 { SOCK_RAW, &inetdomain, IPPROTO_ESP, PR_ATOMIC|PR_ADDR,
157 { SOCK_RAW, &inetdomain, IPPROTO_IPCOMP, PR_ATOMIC|PR_ADDR,
158 ipcomp4_input, 0, 0, 0,
165 { SOCK_RAW, &inetdomain, IPPROTO_AH, PR_ATOMIC|PR_ADDR,
166 ipsec4_common_input, 0, 0, 0,
171 { SOCK_RAW, &inetdomain, IPPROTO_ESP, PR_ATOMIC|PR_ADDR,
172 ipsec4_common_input, 0, 0, 0,
177 { SOCK_RAW, &inetdomain, IPPROTO_IPCOMP, PR_ATOMIC|PR_ADDR,
178 ipsec4_common_input, 0, 0, 0,
183 #endif /* FAST_IPSEC */
184 { SOCK_RAW, &inetdomain, IPPROTO_IPV4, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
185 encap4_input, 0, 0, rip_ctloutput,
190 { SOCK_RAW, &inetdomain, IPPROTO_MOBILE, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
191 encap4_input, 0, 0, rip_ctloutput,
196 { SOCK_RAW, &inetdomain, IPPROTO_GRE, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
197 encap4_input, 0, 0, rip_ctloutput,
203 { SOCK_RAW, &inetdomain, IPPROTO_IPV6, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
204 encap4_input, 0, 0, rip_ctloutput,
211 { SOCK_RAW, &inetdomain, IPPROTO_DIVERT, PR_ATOMIC|PR_ADDR,
212 div_input, 0, 0, ip_ctloutput,
219 { SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
220 ipxip_input, 0, ipxip_ctlinput, 0,
227 { SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
228 idpip_input, 0, nsip_ctlinput, 0,
235 { SOCK_RAW, &inetdomain, 0, PR_ATOMIC|PR_ADDR,
236 rip_input, 0, 0, rip_ctloutput,
243 extern int in_inithead __P((void **, int));
245 struct domain inetdomain =
246 { AF_INET, "internet", 0, 0, 0,
247 (struct protosw *)inetsw,
248 (struct protosw *)&inetsw[sizeof(inetsw)/sizeof(inetsw[0])], 0,
249 in_inithead, 32, sizeof(struct sockaddr_in)
254 SYSCTL_NODE(_net, PF_INET, inet, CTLFLAG_RW, 0,
257 SYSCTL_NODE(_net_inet, IPPROTO_IP, ip, CTLFLAG_RW, 0, "IP");
258 SYSCTL_NODE(_net_inet, IPPROTO_ICMP, icmp, CTLFLAG_RW, 0, "ICMP");
259 SYSCTL_NODE(_net_inet, IPPROTO_UDP, udp, CTLFLAG_RW, 0, "UDP");
260 SYSCTL_NODE(_net_inet, IPPROTO_TCP, tcp, CTLFLAG_RW, 0, "TCP");
261 SYSCTL_NODE(_net_inet, IPPROTO_IGMP, igmp, CTLFLAG_RW, 0, "IGMP");
263 /* XXX no protocol # to use, pick something "reserved" */
264 SYSCTL_NODE(_net_inet, 253, ipsec, CTLFLAG_RW, 0, "IPSEC");
265 SYSCTL_NODE(_net_inet, IPPROTO_AH, ah, CTLFLAG_RW, 0, "AH");
266 SYSCTL_NODE(_net_inet, IPPROTO_ESP, esp, CTLFLAG_RW, 0, "ESP");
267 SYSCTL_NODE(_net_inet, IPPROTO_IPCOMP, ipcomp, CTLFLAG_RW, 0, "IPCOMP");
268 SYSCTL_NODE(_net_inet, IPPROTO_IPIP, ipip, CTLFLAG_RW, 0, "IPIP");
271 SYSCTL_NODE(_net_inet, IPPROTO_AH, ipsec, CTLFLAG_RW, 0, "IPSEC");
273 #endif /* !FAST_IPSEC */
274 SYSCTL_NODE(_net_inet, IPPROTO_RAW, raw, CTLFLAG_RW, 0, "RAW");
276 SYSCTL_NODE(_net_inet, IPPROTO_DIVERT, divert, CTLFLAG_RW, 0, "DIVERT");