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15 * This product includes software developed by the University of
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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 1.6 2004/03/06 01:58:55 hsu Exp $
38 #include "opt_ipdivert.h"
40 #include "opt_mrouting.h"
41 #include "opt_ipsec.h"
42 #include "opt_inet6.h"
44 #include <sys/param.h>
45 #include <sys/kernel.h>
46 #include <sys/socket.h>
47 #include <sys/domain.h>
48 #include <sys/protosw.h>
49 #include <sys/queue.h>
50 #include <sys/sysctl.h>
53 #include <net/route.h>
55 #include <netinet/in.h>
56 #include <netinet/in_systm.h>
57 #include <netinet/ip.h>
58 #include <netinet/ip_var.h>
59 #include <netinet/ip_icmp.h>
60 #include <netinet/igmp_var.h>
62 #include <netinet/pim_var.h>
64 #include <netinet/tcp.h>
65 #include <netinet/tcp_timer.h>
66 #include <netinet/tcp_var.h>
67 #include <netinet/udp.h>
68 #include <netinet/udp_var.h>
69 #include <netinet/ip_encap.h>
71 #include <netinet/ipprotosw.h>
74 * TCP/IP protocol family: IP, ICMP, UDP, TCP.
78 #include <netinet6/ipsec.h>
79 #include <netinet6/ah.h>
81 #include <netinet6/esp.h>
83 #include <netinet6/ipcomp.h>
87 #include <netipsec/ipsec.h>
88 #endif /* FAST_IPSEC */
91 #include <netproto/ipx/ipx_ip.h>
96 #include <netns/ns_if.h>
99 #include <net/netisr.h> /* for cpu0_soport */
101 extern struct domain inetdomain;
102 static struct pr_usrreqs nousrreqs;
104 struct ipprotosw inetsw[] = {
105 { 0, &inetdomain, 0, 0,
108 ip_init, 0, ip_slowtimo, ip_drain,
111 { SOCK_DGRAM, &inetdomain, IPPROTO_UDP, PR_ATOMIC|PR_ADDR,
112 udp_input, 0, udp_ctlinput, ip_ctloutput,
117 { SOCK_STREAM, &inetdomain, IPPROTO_TCP,
118 PR_CONNREQUIRED|PR_IMPLOPCL|PR_WANTRCVD,
119 tcp_input, 0, tcp_ctlinput, tcp_ctloutput,
121 tcp_init, 0, tcp_slowtimo, tcp_drain,
124 { SOCK_RAW, &inetdomain, IPPROTO_RAW, PR_ATOMIC|PR_ADDR,
125 rip_input, 0, rip_ctlinput, rip_ctloutput,
130 { SOCK_RAW, &inetdomain, IPPROTO_ICMP, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
131 icmp_input, 0, 0, rip_ctloutput,
136 { SOCK_RAW, &inetdomain, IPPROTO_IGMP, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
137 igmp_input, 0, 0, rip_ctloutput,
139 igmp_init, igmp_fasttimo, igmp_slowtimo, 0,
142 { SOCK_RAW, &inetdomain, IPPROTO_RSVP, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
143 rsvp_input, 0, 0, rip_ctloutput,
149 { SOCK_RAW, &inetdomain, IPPROTO_AH, PR_ATOMIC|PR_ADDR,
156 { SOCK_RAW, &inetdomain, IPPROTO_ESP, PR_ATOMIC|PR_ADDR,
163 { SOCK_RAW, &inetdomain, IPPROTO_IPCOMP, PR_ATOMIC|PR_ADDR,
164 ipcomp4_input, 0, 0, 0,
171 { SOCK_RAW, &inetdomain, IPPROTO_AH, PR_ATOMIC|PR_ADDR,
172 ipsec4_common_input, 0, 0, 0,
177 { SOCK_RAW, &inetdomain, IPPROTO_ESP, PR_ATOMIC|PR_ADDR,
178 ipsec4_common_input, 0, 0, 0,
183 { SOCK_RAW, &inetdomain, IPPROTO_IPCOMP, PR_ATOMIC|PR_ADDR,
184 ipsec4_common_input, 0, 0, 0,
189 #endif /* FAST_IPSEC */
190 { SOCK_RAW, &inetdomain, IPPROTO_IPV4, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
191 encap4_input, 0, 0, rip_ctloutput,
196 { SOCK_RAW, &inetdomain, IPPROTO_MOBILE, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
197 encap4_input, 0, 0, rip_ctloutput,
202 { SOCK_RAW, &inetdomain, IPPROTO_GRE, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
203 encap4_input, 0, 0, rip_ctloutput,
209 { SOCK_RAW, &inetdomain, IPPROTO_IPV6, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
210 encap4_input, 0, 0, rip_ctloutput,
217 { SOCK_RAW, &inetdomain, IPPROTO_DIVERT, PR_ATOMIC|PR_ADDR,
218 div_input, 0, 0, ip_ctloutput,
225 { SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
226 ipxip_input, 0, ipxip_ctlinput, 0,
233 { SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
234 idpip_input, 0, nsip_ctlinput, 0,
241 { SOCK_RAW, &inetdomain, IPPROTO_PIM, PR_ATOMIC|PR_ADDR|PR_LASTHDR,
242 pim_input, 0, 0, rip_ctloutput,
249 { SOCK_RAW, &inetdomain, 0, PR_ATOMIC|PR_ADDR,
250 rip_input, 0, 0, rip_ctloutput,
257 extern int in_inithead (void **, int);
259 struct domain inetdomain =
260 { AF_INET, "internet", 0, 0, 0,
261 (struct protosw *)inetsw,
262 (struct protosw *)&inetsw[sizeof(inetsw)/sizeof(inetsw[0])], 0,
263 in_inithead, 32, sizeof(struct sockaddr_in)
268 SYSCTL_NODE(_net, PF_INET, inet, CTLFLAG_RW, 0,
271 SYSCTL_NODE(_net_inet, IPPROTO_IP, ip, CTLFLAG_RW, 0, "IP");
272 SYSCTL_NODE(_net_inet, IPPROTO_ICMP, icmp, CTLFLAG_RW, 0, "ICMP");
273 SYSCTL_NODE(_net_inet, IPPROTO_UDP, udp, CTLFLAG_RW, 0, "UDP");
274 SYSCTL_NODE(_net_inet, IPPROTO_TCP, tcp, CTLFLAG_RW, 0, "TCP");
275 SYSCTL_NODE(_net_inet, IPPROTO_IGMP, igmp, CTLFLAG_RW, 0, "IGMP");
277 /* XXX no protocol # to use, pick something "reserved" */
278 SYSCTL_NODE(_net_inet, 253, ipsec, CTLFLAG_RW, 0, "IPSEC");
279 SYSCTL_NODE(_net_inet, IPPROTO_AH, ah, CTLFLAG_RW, 0, "AH");
280 SYSCTL_NODE(_net_inet, IPPROTO_ESP, esp, CTLFLAG_RW, 0, "ESP");
281 SYSCTL_NODE(_net_inet, IPPROTO_IPCOMP, ipcomp, CTLFLAG_RW, 0, "IPCOMP");
282 SYSCTL_NODE(_net_inet, IPPROTO_IPIP, ipip, CTLFLAG_RW, 0, "IPIP");
285 SYSCTL_NODE(_net_inet, IPPROTO_AH, ipsec, CTLFLAG_RW, 0, "IPSEC");
287 #endif /* !FAST_IPSEC */
288 SYSCTL_NODE(_net_inet, IPPROTO_RAW, raw, CTLFLAG_RW, 0, "RAW");
290 SYSCTL_NODE(_net_inet, IPPROTO_DIVERT, divert, CTLFLAG_RW, 0, "DIVERT");
293 SYSCTL_NODE(_net_inet, IPPROTO_PIM, pim, CTLFLAG_RW, 0, "PIM");