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29 * @(#)in_proto.c 8.2 (Berkeley) 2/9/95
30 * $FreeBSD: src/sys/netinet/in_proto.c,v 1.53.2.7 2003/08/24 08:24:38 hsu Exp $
33 #include "opt_ipdivert.h"
34 #include "opt_mrouting.h"
35 #include "opt_ipsec.h"
36 #include "opt_inet6.h"
39 #include <sys/param.h>
40 #include <sys/kernel.h>
41 #include <sys/socket.h>
42 #include <sys/domain.h>
43 #include <sys/protosw.h>
44 #include <sys/queue.h>
45 #include <sys/sysctl.h>
48 #include <net/route.h>
50 #include <netinet/in.h>
51 #include <netinet/in_systm.h>
52 #include <netinet/in_pcb.h>
53 #include <netinet/ip.h>
54 #include <netinet/ip_var.h>
55 #include <netinet/ip_icmp.h>
56 #include <netinet/igmp_var.h>
58 #include <netinet/pim_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/ip_divert.h>
71 * TCP/IP protocol family: IP, ICMP, UDP, TCP.
75 #include <netinet6/ipsec.h>
76 #include <netinet6/ah.h>
78 #include <netinet6/esp.h>
80 #include <netinet6/ipcomp.h>
84 #include <netproto/ipsec/ipsec.h>
85 #endif /* FAST_IPSEC */
87 #include <net/netisr.h> /* for cpu0_soport */
90 #include <netinet/ip_carp.h>
93 extern struct domain inetdomain;
94 static struct pr_usrreqs nousrreqs;
96 struct protosw inetsw[] = {
99 .pr_domain = &inetdomain,
107 .pr_slowtimo = ip_slowtimo,
108 .pr_drain = ip_drain,
109 .pr_usrreqs = &nousrreqs
112 .pr_type = SOCK_DGRAM,
113 .pr_domain = &inetdomain,
114 .pr_protocol = IPPROTO_UDP,
115 .pr_flags = PR_ATOMIC|PR_ADDR|PR_MPSAFE|
116 PR_ASYNC_SEND|PR_ASEND_HOLDTD,
118 .pr_initport = udp_initport,
119 .pr_input = udp_input,
121 .pr_ctlinput = udp_ctlinput,
122 .pr_ctloutput = udp_ctloutput,
124 .pr_ctlport = udp_ctlport,
126 .pr_usrreqs = &udp_usrreqs
129 .pr_type = SOCK_STREAM,
130 .pr_domain = &inetdomain,
131 .pr_protocol = IPPROTO_TCP,
132 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_MPSAFE|
133 PR_ASYNC_SEND|PR_ASYNC_RCVD|PR_ACONN_HOLDTD,
135 .pr_initport = tcp_initport,
136 .pr_input = tcp_input,
138 .pr_ctlinput = tcp_ctlinput,
139 .pr_ctloutput = tcp_ctloutput,
141 .pr_ctlport = tcp_ctlport,
145 .pr_drain = tcp_drain,
146 .pr_usrreqs = &tcp_usrreqs
150 .pr_domain = &inetdomain,
151 .pr_protocol = IPPROTO_RAW,
152 .pr_flags = PR_ATOMIC|PR_ADDR,
154 .pr_input = rip_input,
156 .pr_ctlinput = rip_ctlinput,
157 .pr_ctloutput = rip_ctloutput,
159 .pr_ctlport = cpu0_ctlport,
160 .pr_usrreqs = &rip_usrreqs
164 .pr_domain = &inetdomain,
165 .pr_protocol = IPPROTO_ICMP,
166 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR|PR_MPSAFE,
168 .pr_input = icmp_input,
171 .pr_ctloutput = rip_ctloutput,
173 .pr_usrreqs = &rip_usrreqs
177 .pr_domain = &inetdomain,
178 .pr_protocol = IPPROTO_IGMP,
179 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR|PR_MPSAFE,
181 .pr_input = igmp_input,
184 .pr_ctloutput = rip_ctloutput,
186 .pr_init = igmp_init,
187 .pr_fasttimo = igmp_fasttimo,
188 .pr_slowtimo = igmp_slowtimo,
190 .pr_usrreqs = &rip_usrreqs
194 .pr_domain = &inetdomain,
195 .pr_protocol = IPPROTO_RSVP,
196 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
198 .pr_input = rsvp_input,
201 .pr_ctloutput = rip_ctloutput,
203 .pr_usrreqs = &rip_usrreqs
208 .pr_domain = &inetdomain,
209 .pr_protocol = IPPROTO_AH,
210 .pr_flags = PR_ATOMIC|PR_ADDR,
212 .pr_input = ah4_input,
215 .pr_ctloutput = NULL,
218 .pr_usrreqs = &nousrreqs
223 .pr_domain = &inetdomain,
224 .pr_protocol = IPPROTO_ESP,
225 .pr_flags = PR_ATOMIC|PR_ADDR,
227 .pr_input = esp4_input,
230 .pr_ctloutput = NULL,
233 .pr_usrreqs = &nousrreqs
238 .pr_domain = &inetdomain,
239 .pr_protocol = IPPROTO_IPCOMP,
240 .pr_flags = PR_ATOMIC|PR_ADDR,
242 .pr_input = ipcomp4_input,
245 .pr_ctloutput = NULL,
248 .pr_usrreqs = &nousrreqs
254 .pr_domain = &inetdomain,
255 .pr_protocol = IPPROTO_AH,
256 .pr_flags = PR_ATOMIC|PR_ADDR,
258 .pr_input = ipsec4_common_input,
261 .pr_ctloutput = NULL,
264 .pr_usrreqs = &nousrreqs
268 .pr_domain = &inetdomain,
269 .pr_protocol = IPPROTO_ESP,
270 .pr_flags = PR_ATOMIC|PR_ADDR,
272 .pr_input = ipsec4_common_input,
275 .pr_ctloutput = NULL,
278 .pr_usrreqs = &nousrreqs
282 .pr_domain = &inetdomain,
283 .pr_protocol = IPPROTO_IPCOMP,
284 .pr_flags = PR_ATOMIC|PR_ADDR,
286 .pr_input = ipsec4_common_input,
289 .pr_ctloutput = NULL,
292 .pr_usrreqs = &nousrreqs
294 #endif /* FAST_IPSEC */
297 .pr_domain = &inetdomain,
298 .pr_protocol = IPPROTO_IPV4,
299 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
300 .pr_input = encap4_input,
303 .pr_ctloutput = rip_ctloutput,
306 .pr_init = encap_init,
307 .pr_usrreqs = &rip_usrreqs
311 .pr_domain = &inetdomain,
312 .pr_protocol = IPPROTO_MOBILE,
313 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
315 .pr_input = encap4_input,
318 .pr_ctloutput = rip_ctloutput,
321 .pr_init = encap_init,
322 .pr_usrreqs = &rip_usrreqs
326 .pr_domain = &inetdomain,
327 .pr_protocol = IPPROTO_GRE,
328 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
330 .pr_input = encap4_input,
333 .pr_ctloutput = rip_ctloutput,
336 .pr_init = encap_init,
337 .pr_usrreqs = &rip_usrreqs
342 .pr_domain = &inetdomain,
343 .pr_protocol = IPPROTO_IPV6,
344 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
346 .pr_input = encap4_input,
349 .pr_ctloutput = rip_ctloutput,
352 .pr_init = encap_init,
353 .pr_usrreqs = &rip_usrreqs
359 .pr_domain = &inetdomain,
360 .pr_protocol = IPPROTO_DIVERT,
361 .pr_flags = PR_ATOMIC|PR_ADDR,
363 .pr_input = div_input,
366 .pr_ctloutput = ip_ctloutput,
370 .pr_usrreqs = &div_usrreqs
376 .pr_domain = &inetdomain,
377 .pr_protocol = IPPROTO_PIM,
378 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
380 .pr_input = pim_input,
383 .pr_ctloutput = rip_ctloutput,
386 .pr_usrreqs = &rip_usrreqs
392 .pr_domain = &inetdomain,
393 .pr_protocol = IPPROTO_PFSYNC,
394 .pr_flags = PR_ATOMIC|PR_ADDR,
396 .pr_input = pfsync_input,
399 .pr_ctloutput = rip_ctloutput,
402 .pr_usrreqs = &rip_usrreqs
408 .pr_domain = &inetdomain,
410 .pr_flags = PR_ATOMIC|PR_ADDR,
412 .pr_input = rip_input,
415 .pr_ctloutput = rip_ctloutput,
419 .pr_usrreqs = &rip_usrreqs
424 .pr_domain = &inetdomain,
425 .pr_protocol = IPPROTO_CARP,
426 .pr_flags = PR_ATOMIC|PR_ADDR|PR_MPSAFE,
428 .pr_input = carp_proto_input,
429 .pr_output = rip_output,
430 .pr_ctlinput = carp_proto_ctlinput,
431 .pr_ctloutput = rip_ctloutput,
433 .pr_ctlport = cpu0_ctlport,
434 .pr_usrreqs = &rip_usrreqs
440 inetdomain_init(void)
445 struct domain inetdomain = {
446 AF_INET, "internet", inetdomain_init, NULL, NULL,
447 inetsw, &inetsw[NELEM(inetsw)],
448 SLIST_ENTRY_INITIALIZER,
449 in_inithead, 32, sizeof(struct sockaddr_in),
454 SYSCTL_NODE(_net, PF_INET, inet, CTLFLAG_RW, 0,
457 SYSCTL_NODE(_net_inet, IPPROTO_IP, ip, CTLFLAG_RW, 0, "IP");
458 SYSCTL_NODE(_net_inet, IPPROTO_ICMP, icmp, CTLFLAG_RW, 0, "ICMP");
459 SYSCTL_NODE(_net_inet, IPPROTO_UDP, udp, CTLFLAG_RW, 0, "UDP");
460 SYSCTL_NODE(_net_inet, IPPROTO_TCP, tcp, CTLFLAG_RW, 0, "TCP");
461 SYSCTL_NODE(_net_inet, IPPROTO_IGMP, igmp, CTLFLAG_RW, 0, "IGMP");
463 /* XXX no protocol # to use, pick something "reserved" */
464 SYSCTL_NODE(_net_inet, 253, ipsec, CTLFLAG_RW, 0, "IPSEC");
465 SYSCTL_NODE(_net_inet, IPPROTO_AH, ah, CTLFLAG_RW, 0, "AH");
466 SYSCTL_NODE(_net_inet, IPPROTO_ESP, esp, CTLFLAG_RW, 0, "ESP");
467 SYSCTL_NODE(_net_inet, IPPROTO_IPCOMP, ipcomp, CTLFLAG_RW, 0, "IPCOMP");
468 SYSCTL_NODE(_net_inet, IPPROTO_IPIP, ipip, CTLFLAG_RW, 0, "IPIP");
471 SYSCTL_NODE(_net_inet, IPPROTO_AH, ipsec, CTLFLAG_RW, 0, "IPSEC");
473 #endif /* !FAST_IPSEC */
474 SYSCTL_NODE(_net_inet, IPPROTO_RAW, raw, CTLFLAG_RW, 0, "RAW");
476 SYSCTL_NODE(_net_inet, IPPROTO_DIVERT, divert, CTLFLAG_RW, 0, "DIVERT");
479 SYSCTL_NODE(_net_inet, IPPROTO_PIM, pim, CTLFLAG_RW, 0, "PIM");
482 SYSCTL_NODE(_net_inet, IPPROTO_CARP, carp, CTLFLAG_RW, 0, "CARP");