HAMMER 60I/Many: Mirroring
[dragonfly.git] / sys / netinet / in_proto.c
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1 /*
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
7 * are met:
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
31 * SUCH DAMAGE.
33 * @(#)in_proto.c 8.2 (Berkeley) 2/9/95
34 * $FreeBSD: src/sys/netinet/in_proto.c,v 1.53.2.7 2003/08/24 08:24:38 hsu Exp $
35 * $DragonFly: src/sys/netinet/in_proto.c,v 1.15 2007/12/19 11:00:22 sephe Exp $
38 #include "opt_ipdivert.h"
39 #include "opt_ipx.h"
40 #include "opt_mrouting.h"
41 #include "opt_ipsec.h"
42 #include "opt_inet6.h"
43 #include "opt_sctp.h"
44 #include "opt_carp.h"
46 #include <sys/param.h>
47 #include <sys/kernel.h>
48 #include <sys/socket.h>
49 #include <sys/domain.h>
50 #include <sys/protosw.h>
51 #include <sys/queue.h>
52 #include <sys/sysctl.h>
54 #include <net/if.h>
55 #include <net/route.h>
57 #include <netinet/in.h>
58 #include <netinet/in_systm.h>
59 #include <netinet/ip.h>
60 #include <netinet/ip_var.h>
61 #include <netinet/ip_icmp.h>
62 #include <netinet/igmp_var.h>
63 #ifdef PIM
64 #include <netinet/pim_var.h>
65 #endif
66 #include <netinet/tcp.h>
67 #include <netinet/tcp_timer.h>
68 #include <netinet/tcp_var.h>
69 #include <netinet/udp.h>
70 #include <netinet/udp_var.h>
71 #include <netinet/ip_encap.h>
75 * TCP/IP protocol family: IP, ICMP, UDP, TCP.
78 #ifdef IPSEC
79 #include <netinet6/ipsec.h>
80 #include <netinet6/ah.h>
81 #ifdef IPSEC_ESP
82 #include <netinet6/esp.h>
83 #endif
84 #include <netinet6/ipcomp.h>
85 #endif /* IPSEC */
87 #ifdef FAST_IPSEC
88 #include <netproto/ipsec/ipsec.h>
89 #endif /* FAST_IPSEC */
91 #ifdef IPXIP
92 #include <netproto/ipx/ipx_ip.h>
93 #endif
95 #ifdef NSIP
96 #include <netns/ns.h>
97 #include <netns/ns_if.h>
98 #endif
100 #ifdef SCTP
101 #include <netinet/in_pcb.h>
102 #include <netinet/sctp_pcb.h>
103 #include <netinet/sctp.h>
104 #include <netinet/sctp_var.h>
105 #endif /* SCTP */
107 #include <net/netisr.h> /* for cpu0_soport */
109 #ifdef CARP
110 #include <netinet/ip_carp.h>
111 #endif
113 extern struct domain inetdomain;
114 static struct pr_usrreqs nousrreqs;
116 struct protosw inetsw[] = {
117 { 0, &inetdomain, 0, 0,
118 0, 0, 0, 0,
119 cpu0_soport,
120 ip_init, 0, ip_slowtimo, ip_drain,
121 &nousrreqs
123 { SOCK_DGRAM, &inetdomain, IPPROTO_UDP, PR_ATOMIC|PR_ADDR,
124 udp_input, 0, udp_ctlinput, ip_ctloutput,
125 udp_soport,
126 udp_init, 0, 0, 0,
127 &udp_usrreqs
129 { SOCK_STREAM, &inetdomain, IPPROTO_TCP,
130 PR_CONNREQUIRED|PR_IMPLOPCL|PR_WANTRCVD,
131 tcp_input, 0, tcp_ctlinput, tcp_ctloutput,
132 tcp_soport,
133 tcp_init, 0, tcp_slowtimo, tcp_drain,
134 &tcp_usrreqs
136 #ifdef SCTP
138 * Order is very important here, we add the good one in
139 * in this postion so it maps to the right ip_protox[]
140 * postion for SCTP. Don't move the one above below
141 * this one or IPv6/4 compatability will break
143 { SOCK_DGRAM, &inetdomain, IPPROTO_SCTP, PR_ADDR_OPT|PR_WANTRCVD,
144 sctp_input, 0, sctp_ctlinput, sctp_ctloutput,
145 cpu0_soport,
146 sctp_init, 0, 0, sctp_drain,
147 &sctp_usrreqs
149 { SOCK_SEQPACKET,&inetdomain, IPPROTO_SCTP, PR_ADDR_OPT|PR_WANTRCVD,
150 sctp_input, 0, sctp_ctlinput, sctp_ctloutput,
151 cpu0_soport,
152 0, 0, 0, sctp_drain,
153 &sctp_usrreqs
156 { SOCK_STREAM, &inetdomain, IPPROTO_SCTP, PR_CONNREQUIRED|PR_ADDR_OPT|PR_WANTRCVD,
157 sctp_input, 0, sctp_ctlinput, sctp_ctloutput,
158 cpu0_soport,
159 0, 0, 0, sctp_drain,
160 &sctp_usrreqs
162 #endif /* SCTP */
163 { SOCK_RAW, &inetdomain, IPPROTO_RAW, PR_ATOMIC|PR_ADDR,
164 rip_input, 0, rip_ctlinput, rip_ctloutput,
165 cpu0_soport,
166 0, 0, 0, 0,
167 &rip_usrreqs
169 { SOCK_RAW, &inetdomain, IPPROTO_ICMP, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
170 icmp_input, 0, 0, rip_ctloutput,
171 cpu0_soport,
172 0, 0, 0, 0,
173 &rip_usrreqs
175 { SOCK_RAW, &inetdomain, IPPROTO_IGMP, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
176 igmp_input, 0, 0, rip_ctloutput,
177 cpu0_soport,
178 igmp_init, igmp_fasttimo, igmp_slowtimo, 0,
179 &rip_usrreqs
181 { SOCK_RAW, &inetdomain, IPPROTO_RSVP, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
182 rsvp_input, 0, 0, rip_ctloutput,
183 cpu0_soport,
184 0, 0, 0, 0,
185 &rip_usrreqs
187 #ifdef IPSEC
188 { SOCK_RAW, &inetdomain, IPPROTO_AH, PR_ATOMIC|PR_ADDR,
189 ah4_input, 0, 0, 0,
190 cpu0_soport,
191 0, 0, 0, 0,
192 &nousrreqs
194 #ifdef IPSEC_ESP
195 { SOCK_RAW, &inetdomain, IPPROTO_ESP, PR_ATOMIC|PR_ADDR,
196 esp4_input, 0, 0, 0,
197 cpu0_soport,
198 0, 0, 0, 0,
199 &nousrreqs
201 #endif
202 { SOCK_RAW, &inetdomain, IPPROTO_IPCOMP, PR_ATOMIC|PR_ADDR,
203 ipcomp4_input, 0, 0, 0,
204 cpu0_soport,
205 0, 0, 0, 0,
206 &nousrreqs
208 #endif /* IPSEC */
209 #ifdef FAST_IPSEC
210 { SOCK_RAW, &inetdomain, IPPROTO_AH, PR_ATOMIC|PR_ADDR,
211 ipsec4_common_input, 0, 0, 0,
212 cpu0_soport,
213 0, 0, 0, 0,
214 &nousrreqs
216 { SOCK_RAW, &inetdomain, IPPROTO_ESP, PR_ATOMIC|PR_ADDR,
217 ipsec4_common_input, 0, 0, 0,
218 cpu0_soport,
219 0, 0, 0, 0,
220 &nousrreqs
222 { SOCK_RAW, &inetdomain, IPPROTO_IPCOMP, PR_ATOMIC|PR_ADDR,
223 ipsec4_common_input, 0, 0, 0,
224 cpu0_soport,
225 0, 0, 0, 0,
226 &nousrreqs
228 #endif /* FAST_IPSEC */
229 { SOCK_RAW, &inetdomain, IPPROTO_IPV4, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
230 encap4_input, 0, 0, rip_ctloutput,
231 cpu0_soport,
232 encap_init, 0, 0, 0,
233 &rip_usrreqs
235 { SOCK_RAW, &inetdomain, IPPROTO_MOBILE, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
236 encap4_input, 0, 0, rip_ctloutput,
237 cpu0_soport,
238 encap_init, 0, 0, 0,
239 &rip_usrreqs
241 { SOCK_RAW, &inetdomain, IPPROTO_GRE, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
242 encap4_input, 0, 0, rip_ctloutput,
243 cpu0_soport,
244 encap_init, 0, 0, 0,
245 &rip_usrreqs
247 # ifdef INET6
248 { SOCK_RAW, &inetdomain, IPPROTO_IPV6, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
249 encap4_input, 0, 0, rip_ctloutput,
250 cpu0_soport,
251 encap_init, 0, 0, 0,
252 &rip_usrreqs
254 #endif
255 #ifdef IPDIVERT
256 { SOCK_RAW, &inetdomain, IPPROTO_DIVERT, PR_ATOMIC|PR_ADDR,
257 div_input, 0, 0, ip_ctloutput,
258 div_soport,
259 div_init, 0, 0, 0,
260 &div_usrreqs,
262 #endif
263 #ifdef IPXIP
264 { SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
265 ipxip_input, 0, ipxip_ctlinput, 0,
266 cpu0_soport,
267 0, 0, 0, 0,
268 &rip_usrreqs
270 #endif
271 #ifdef NSIP
272 { SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
273 idpip_input, 0, nsip_ctlinput, 0,
274 cpu0_soport,
275 0, 0, 0, 0,
276 &rip_usrreqs
278 #endif
279 #ifdef PIM
280 { SOCK_RAW, &inetdomain, IPPROTO_PIM, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
281 pim_input, 0, 0, rip_ctloutput,
282 cpu0_soport,
283 0, 0, 0, 0,
284 &rip_usrreqs
286 #endif
287 #ifdef NPFSYNC
288 { SOCK_RAW, &inetdomain, IPPROTO_PFSYNC, PR_ATOMIC|PR_ADDR,
289 pfsync_input, 0, 0, rip_ctloutput,
291 0, 0, 0, 0,
292 &rip_usrreqs
294 #endif /* NPFSYNC */
295 /* raw wildcard */
296 { SOCK_RAW, &inetdomain, 0, PR_ATOMIC|PR_ADDR,
297 rip_input, 0, 0, rip_ctloutput,
298 cpu0_soport,
299 rip_init, 0, 0, 0,
300 &rip_usrreqs
303 #ifdef CARP
304 { SOCK_RAW, &inetdomain, IPPROTO_CARP, PR_ATOMIC|PR_ADDR,
305 carp_input, rip_output, 0, rip_ctloutput,
307 0, 0, 0, 0,
308 &rip_usrreqs
311 #endif
314 struct domain inetdomain = {
315 AF_INET, "internet", NULL, NULL, NULL,
316 inetsw, &inetsw[sizeof(inetsw)/sizeof(inetsw[0])],
317 SLIST_ENTRY_INITIALIZER,
318 in_inithead, 32, sizeof(struct sockaddr_in),
321 DOMAIN_SET(inet);
323 SYSCTL_NODE(_net, PF_INET, inet, CTLFLAG_RW, 0,
324 "Internet Family");
326 SYSCTL_NODE(_net_inet, IPPROTO_IP, ip, CTLFLAG_RW, 0, "IP");
327 SYSCTL_NODE(_net_inet, IPPROTO_ICMP, icmp, CTLFLAG_RW, 0, "ICMP");
328 SYSCTL_NODE(_net_inet, IPPROTO_UDP, udp, CTLFLAG_RW, 0, "UDP");
329 SYSCTL_NODE(_net_inet, IPPROTO_TCP, tcp, CTLFLAG_RW, 0, "TCP");
330 SYSCTL_NODE(_net_inet, IPPROTO_IGMP, igmp, CTLFLAG_RW, 0, "IGMP");
331 #ifdef FAST_IPSEC
332 /* XXX no protocol # to use, pick something "reserved" */
333 SYSCTL_NODE(_net_inet, 253, ipsec, CTLFLAG_RW, 0, "IPSEC");
334 SYSCTL_NODE(_net_inet, IPPROTO_AH, ah, CTLFLAG_RW, 0, "AH");
335 SYSCTL_NODE(_net_inet, IPPROTO_ESP, esp, CTLFLAG_RW, 0, "ESP");
336 SYSCTL_NODE(_net_inet, IPPROTO_IPCOMP, ipcomp, CTLFLAG_RW, 0, "IPCOMP");
337 SYSCTL_NODE(_net_inet, IPPROTO_IPIP, ipip, CTLFLAG_RW, 0, "IPIP");
338 #else
339 #ifdef IPSEC
340 SYSCTL_NODE(_net_inet, IPPROTO_AH, ipsec, CTLFLAG_RW, 0, "IPSEC");
341 #endif /* IPSEC */
342 #endif /* !FAST_IPSEC */
343 SYSCTL_NODE(_net_inet, IPPROTO_RAW, raw, CTLFLAG_RW, 0, "RAW");
344 #ifdef IPDIVERT
345 SYSCTL_NODE(_net_inet, IPPROTO_DIVERT, divert, CTLFLAG_RW, 0, "DIVERT");
346 #endif
347 #ifdef PIM
348 SYSCTL_NODE(_net_inet, IPPROTO_PIM, pim, CTLFLAG_RW, 0, "PIM");
349 #endif
350 #ifdef CARP
351 SYSCTL_NODE(_net_inet, IPPROTO_CARP, carp, CTLFLAG_RW, 0, "CARP");
352 #endif