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/*- |
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* Copyright (c) 1982, 1986, 1993 |
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* The Regents of the University of California. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 4. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* @(#)in_proto.c 8.2 (Berkeley) 2/9/95 |
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*/ |
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|
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#include <sys/cdefs.h> |
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__MBSDID("$MidnightBSD$"); |
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|
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#include "opt_ipx.h" |
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#include "opt_mrouting.h" |
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#include "opt_ipsec.h" |
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#include "opt_inet.h" |
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#include "opt_inet6.h" |
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#include "opt_sctp.h" |
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#include "opt_mpath.h" |
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|
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#include <sys/param.h> |
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#include <sys/systm.h> |
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#include <sys/kernel.h> |
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#include <sys/socket.h> |
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#include <sys/domain.h> |
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#include <sys/proc.h> |
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#include <sys/protosw.h> |
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#include <sys/queue.h> |
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#include <sys/sysctl.h> |
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|
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/* |
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* While this file provides the domain and protocol switch tables for IPv4, it |
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* also provides the sysctl node declarations for net.inet.* often shared with |
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* IPv6 for common features or by upper layer protocols. In case of no IPv4 |
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* support compile out everything but these sysctl nodes. |
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*/ |
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#ifdef INET |
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#include <net/if.h> |
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#include <net/route.h> |
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#ifdef RADIX_MPATH |
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#include <net/radix_mpath.h> |
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#endif |
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#include <net/vnet.h> |
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#endif /* INET */ |
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|
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#if defined(INET) || defined(INET6) |
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#include <netinet/in.h> |
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#endif |
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|
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#ifdef INET |
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#include <netinet/in_systm.h> |
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#include <netinet/in_var.h> |
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#include <netinet/ip.h> |
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#include <netinet/ip_var.h> |
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#include <netinet/ip_icmp.h> |
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#include <netinet/igmp_var.h> |
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#include <netinet/tcp.h> |
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#include <netinet/tcp_timer.h> |
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#include <netinet/tcp_var.h> |
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#include <netinet/udp.h> |
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#include <netinet/udp_var.h> |
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#include <netinet/ip_encap.h> |
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|
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/* |
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* TCP/IP protocol family: IP, ICMP, UDP, TCP. |
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*/ |
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|
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static struct pr_usrreqs nousrreqs; |
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|
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#ifdef IPSEC |
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#include <netipsec/ipsec.h> |
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#endif /* IPSEC */ |
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|
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#ifdef SCTP |
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#include <netinet/in_pcb.h> |
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#include <netinet/sctp_pcb.h> |
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#include <netinet/sctp.h> |
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#include <netinet/sctp_var.h> |
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#endif /* SCTP */ |
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|
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FEATURE(inet, "Internet Protocol version 4"); |
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|
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extern struct domain inetdomain; |
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|
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/* Spacer for loadable protocols. */ |
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#define IPPROTOSPACER \ |
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{ \ |
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.pr_domain = &inetdomain, \ |
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.pr_protocol = PROTO_SPACER, \ |
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.pr_usrreqs = &nousrreqs \ |
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} |
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|
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struct protosw inetsw[] = { |
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{ |
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.pr_type = 0, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_IP, |
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.pr_init = ip_init, |
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#ifdef VIMAGE |
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.pr_destroy = ip_destroy, |
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#endif |
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.pr_slowtimo = ip_slowtimo, |
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.pr_drain = ip_drain, |
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.pr_usrreqs = &nousrreqs |
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}, |
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{ |
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.pr_type = SOCK_DGRAM, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_UDP, |
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.pr_flags = PR_ATOMIC|PR_ADDR, |
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.pr_input = udp_input, |
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.pr_ctlinput = udp_ctlinput, |
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.pr_ctloutput = udp_ctloutput, |
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.pr_init = udp_init, |
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#ifdef VIMAGE |
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.pr_destroy = udp_destroy, |
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#endif |
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.pr_usrreqs = &udp_usrreqs |
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}, |
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{ |
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.pr_type = SOCK_STREAM, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_TCP, |
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.pr_flags = PR_CONNREQUIRED|PR_IMPLOPCL|PR_WANTRCVD, |
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.pr_input = tcp_input, |
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.pr_ctlinput = tcp_ctlinput, |
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.pr_ctloutput = tcp_ctloutput, |
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.pr_init = tcp_init, |
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#ifdef VIMAGE |
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.pr_destroy = tcp_destroy, |
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#endif |
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.pr_slowtimo = tcp_slowtimo, |
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.pr_drain = tcp_drain, |
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.pr_usrreqs = &tcp_usrreqs |
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}, |
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#ifdef SCTP |
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{ |
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.pr_type = SOCK_SEQPACKET, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_SCTP, |
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.pr_flags = PR_WANTRCVD, |
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.pr_input = sctp_input, |
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.pr_ctlinput = sctp_ctlinput, |
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.pr_ctloutput = sctp_ctloutput, |
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.pr_init = sctp_init, |
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#ifdef VIMAGE |
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.pr_destroy = sctp_finish, |
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#endif |
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.pr_drain = sctp_drain, |
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.pr_usrreqs = &sctp_usrreqs |
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}, |
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{ |
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.pr_type = SOCK_STREAM, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_SCTP, |
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.pr_flags = PR_WANTRCVD, |
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.pr_input = sctp_input, |
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.pr_ctlinput = sctp_ctlinput, |
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.pr_ctloutput = sctp_ctloutput, |
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.pr_drain = sctp_drain, |
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.pr_usrreqs = &sctp_usrreqs |
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}, |
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#endif /* SCTP */ |
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{ |
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.pr_type = SOCK_RAW, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_RAW, |
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.pr_flags = PR_ATOMIC|PR_ADDR, |
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.pr_input = rip_input, |
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.pr_ctlinput = rip_ctlinput, |
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.pr_ctloutput = rip_ctloutput, |
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.pr_usrreqs = &rip_usrreqs |
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}, |
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{ |
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.pr_type = SOCK_RAW, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_ICMP, |
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.pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, |
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.pr_input = icmp_input, |
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.pr_ctloutput = rip_ctloutput, |
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.pr_usrreqs = &rip_usrreqs |
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}, |
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{ |
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.pr_type = SOCK_RAW, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_IGMP, |
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.pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, |
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.pr_input = igmp_input, |
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.pr_ctloutput = rip_ctloutput, |
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.pr_fasttimo = igmp_fasttimo, |
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.pr_slowtimo = igmp_slowtimo, |
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.pr_usrreqs = &rip_usrreqs |
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}, |
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{ |
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.pr_type = SOCK_RAW, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_RSVP, |
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.pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, |
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.pr_input = rsvp_input, |
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.pr_ctloutput = rip_ctloutput, |
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.pr_usrreqs = &rip_usrreqs |
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}, |
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#ifdef IPSEC |
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{ |
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.pr_type = SOCK_RAW, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_AH, |
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.pr_flags = PR_ATOMIC|PR_ADDR, |
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.pr_input = ah4_input, |
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.pr_ctlinput = ah4_ctlinput, |
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.pr_usrreqs = &nousrreqs |
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}, |
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{ |
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.pr_type = SOCK_RAW, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_ESP, |
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.pr_flags = PR_ATOMIC|PR_ADDR, |
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.pr_input = esp4_input, |
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.pr_ctlinput = esp4_ctlinput, |
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.pr_usrreqs = &nousrreqs |
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}, |
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{ |
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.pr_type = SOCK_RAW, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_IPCOMP, |
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.pr_flags = PR_ATOMIC|PR_ADDR, |
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.pr_input = ipcomp4_input, |
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.pr_usrreqs = &nousrreqs |
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}, |
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#endif /* IPSEC */ |
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{ |
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.pr_type = SOCK_RAW, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_IPV4, |
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.pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, |
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.pr_input = encap4_input, |
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.pr_ctloutput = rip_ctloutput, |
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.pr_init = encap_init, |
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.pr_usrreqs = &rip_usrreqs |
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}, |
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{ |
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.pr_type = SOCK_RAW, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_MOBILE, |
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.pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, |
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.pr_input = encap4_input, |
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.pr_ctloutput = rip_ctloutput, |
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.pr_init = encap_init, |
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.pr_usrreqs = &rip_usrreqs |
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}, |
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{ |
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.pr_type = SOCK_RAW, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_ETHERIP, |
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.pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, |
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.pr_input = encap4_input, |
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.pr_ctloutput = rip_ctloutput, |
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.pr_init = encap_init, |
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.pr_usrreqs = &rip_usrreqs |
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}, |
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{ |
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.pr_type = SOCK_RAW, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_GRE, |
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.pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, |
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.pr_input = encap4_input, |
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.pr_ctloutput = rip_ctloutput, |
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.pr_init = encap_init, |
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.pr_usrreqs = &rip_usrreqs |
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}, |
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# ifdef INET6 |
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{ |
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.pr_type = SOCK_RAW, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_IPV6, |
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.pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, |
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.pr_input = encap4_input, |
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.pr_ctloutput = rip_ctloutput, |
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.pr_init = encap_init, |
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.pr_usrreqs = &rip_usrreqs |
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}, |
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#endif |
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{ |
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.pr_type = SOCK_RAW, |
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.pr_domain = &inetdomain, |
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.pr_protocol = IPPROTO_PIM, |
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.pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, |
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.pr_input = encap4_input, |
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.pr_ctloutput = rip_ctloutput, |
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.pr_usrreqs = &rip_usrreqs |
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}, |
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/* Spacer n-times for loadable protocols. */ |
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IPPROTOSPACER, |
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IPPROTOSPACER, |
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IPPROTOSPACER, |
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IPPROTOSPACER, |
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IPPROTOSPACER, |
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IPPROTOSPACER, |
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IPPROTOSPACER, |
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IPPROTOSPACER, |
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/* raw wildcard */ |
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{ |
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.pr_type = SOCK_RAW, |
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.pr_domain = &inetdomain, |
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.pr_flags = PR_ATOMIC|PR_ADDR, |
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.pr_input = rip_input, |
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.pr_ctloutput = rip_ctloutput, |
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.pr_init = rip_init, |
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#ifdef VIMAGE |
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.pr_destroy = rip_destroy, |
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#endif |
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.pr_usrreqs = &rip_usrreqs |
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}, |
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}; |
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|
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extern int in_inithead(void **, int); |
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extern int in_detachhead(void **, int); |
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|
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struct domain inetdomain = { |
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.dom_family = AF_INET, |
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.dom_name = "internet", |
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.dom_protosw = inetsw, |
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.dom_protoswNPROTOSW = &inetsw[sizeof(inetsw)/sizeof(inetsw[0])], |
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#ifdef RADIX_MPATH |
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.dom_rtattach = rn4_mpath_inithead, |
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#else |
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.dom_rtattach = in_inithead, |
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#endif |
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#ifdef VIMAGE |
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.dom_rtdetach = in_detachhead, |
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#endif |
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.dom_rtoffset = 32, |
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.dom_maxrtkey = sizeof(struct sockaddr_in), |
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.dom_ifattach = in_domifattach, |
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.dom_ifdetach = in_domifdetach |
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}; |
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|
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VNET_DOMAIN_SET(inet); |
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#endif /* INET */ |
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|
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SYSCTL_NODE(_net, PF_INET, inet, CTLFLAG_RW, 0, |
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"Internet Family"); |
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|
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SYSCTL_NODE(_net_inet, IPPROTO_IP, ip, CTLFLAG_RW, 0, "IP"); |
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SYSCTL_NODE(_net_inet, IPPROTO_ICMP, icmp, CTLFLAG_RW, 0, "ICMP"); |
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SYSCTL_NODE(_net_inet, IPPROTO_UDP, udp, CTLFLAG_RW, 0, "UDP"); |
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SYSCTL_NODE(_net_inet, IPPROTO_TCP, tcp, CTLFLAG_RW, 0, "TCP"); |
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#ifdef SCTP |
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SYSCTL_NODE(_net_inet, IPPROTO_SCTP, sctp, CTLFLAG_RW, 0, "SCTP"); |
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#endif |
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SYSCTL_NODE(_net_inet, IPPROTO_IGMP, igmp, CTLFLAG_RW, 0, "IGMP"); |
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#ifdef IPSEC |
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/* XXX no protocol # to use, pick something "reserved" */ |
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SYSCTL_NODE(_net_inet, 253, ipsec, CTLFLAG_RW, 0, "IPSEC"); |
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SYSCTL_NODE(_net_inet, IPPROTO_AH, ah, CTLFLAG_RW, 0, "AH"); |
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SYSCTL_NODE(_net_inet, IPPROTO_ESP, esp, CTLFLAG_RW, 0, "ESP"); |
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SYSCTL_NODE(_net_inet, IPPROTO_IPCOMP, ipcomp, CTLFLAG_RW, 0, "IPCOMP"); |
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SYSCTL_NODE(_net_inet, IPPROTO_IPIP, ipip, CTLFLAG_RW, 0, "IPIP"); |
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#endif /* IPSEC */ |
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SYSCTL_NODE(_net_inet, IPPROTO_RAW, raw, CTLFLAG_RW, 0, "RAW"); |
