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31 * @(#)in_proto.c 8.2 (Berkeley) 2/9/95
34 #include <sys/cdefs.h>
35 #include "opt_mrouting.h"
36 #include "opt_ipsec.h"
38 #include "opt_inet6.h"
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/kernel.h>
44 #include <sys/malloc.h>
45 #include <sys/socket.h>
46 #include <sys/domain.h>
48 #include <sys/protosw.h>
49 #include <sys/queue.h>
50 #include <sys/sysctl.h>
53 #include <net/if_var.h>
54 #include <netinet/in.h>
55 #include <netinet/in_var.h>
58 * While this file provides the domain and protocol switch tables for IPv4, it
59 * also provides the sysctl node declarations for net.inet.* often shared with
60 * IPv6 for common features or by upper layer protocols. In case of no IPv4
61 * support compile out everything but these sysctl nodes.
64 /* netinet/raw_ip.c */
65 extern struct protosw rip_protosw;
66 /* netinet/udp_usrreq.c */
67 extern struct protosw udp_protosw, udplite_protosw;
68 /* netinet/tcp_usrreq.c */
69 extern struct protosw tcp_protosw;
70 /* netinet/sctp_usrreq.c */
71 extern struct protosw sctp_seqpacket_protosw, sctp_stream_protosw;
73 FEATURE(inet, "Internet Protocol version 4");
75 struct domain inetdomain = {
76 .dom_family = AF_INET,
77 .dom_name = "internet",
78 .dom_rtattach = in_inithead,
80 .dom_rtdetach = in_detachhead,
82 .dom_ifattach = in_domifattach,
83 .dom_ifdetach = in_domifdetach,
89 &sctp_seqpacket_protosw,
96 /* Spacer 8 times for loadable protocols. XXXGL: why 8? */
97 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
104 SYSCTL_NODE(_net, PF_INET, inet, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
107 SYSCTL_NODE(_net_inet, IPPROTO_IP, ip, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
109 SYSCTL_NODE(_net_inet, IPPROTO_ICMP, icmp, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
111 SYSCTL_NODE(_net_inet, IPPROTO_UDP, udp, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
113 SYSCTL_NODE(_net_inet, IPPROTO_TCP, tcp, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
115 #if defined(SCTP) || defined(SCTP_SUPPORT)
116 SYSCTL_NODE(_net_inet, IPPROTO_SCTP, sctp, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
119 SYSCTL_NODE(_net_inet, IPPROTO_IGMP, igmp, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
121 #if defined(IPSEC) || defined(IPSEC_SUPPORT)
122 /* XXX no protocol # to use, pick something "reserved" */
123 SYSCTL_NODE(_net_inet, 253, ipsec, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
125 SYSCTL_NODE(_net_inet, IPPROTO_AH, ah, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
127 SYSCTL_NODE(_net_inet, IPPROTO_ESP, esp, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
129 SYSCTL_NODE(_net_inet, IPPROTO_IPCOMP, ipcomp, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
131 SYSCTL_NODE(_net_inet, IPPROTO_IPIP, ipip, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
134 SYSCTL_NODE(_net_inet, IPPROTO_RAW, raw, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
136 SYSCTL_NODE(_net_inet, OID_AUTO, accf, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,