freebsd-skq/sys/netinet/in_proto.c
Garrett Wollman 1c5de19afb Kernel side of 3.5 multicast routing code, based on work by Bill Fenner
and other work done here.  The LKM support is probably broken, but it
still compiles and will be fixed later.
1995-06-13 17:51:16 +00:00

215 lines
5.9 KiB
C

/*
* Copyright (c) 1982, 1986, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* From: @(#)in_proto.c 8.1 (Berkeley) 6/10/93
* $Id: in_proto.c,v 1.14 1995/05/11 00:13:17 wollman Exp $
*/
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/protosw.h>
#include <sys/domain.h>
#include <sys/mbuf.h>
#include <sys/queue.h>
#include <net/if.h>
#include <net/radix.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_var.h>
#include <netinet/ip_icmp.h>
#include <netinet/in_pcb.h>
#include <netinet/igmp_var.h>
#include <netinet/tcp.h>
#include <netinet/tcp_fsm.h>
#include <netinet/tcp_seq.h>
#include <netinet/tcp_timer.h>
#include <netinet/tcp_var.h>
#include <netinet/tcpip.h>
#ifdef TCPDEBUG
#include <netinet/tcp_debug.h>
#endif
#include <netinet/udp.h>
#include <netinet/udp_var.h>
/*
* TCP/IP protocol family: IP, ICMP, UDP, TCP.
*/
#ifdef NSIP
void idpip_input(), nsip_ctlinput();
#endif
#ifdef TPIP
void tpip_input(), tpip_ctlinput(), tp_ctloutput();
int tp_init(), tp_slowtimo(), tp_drain(), tp_usrreq();
#endif
#ifdef EON
void eoninput(), eonctlinput(), eonprotoinit();
#endif /* EON */
void rsvp_input(struct mbuf *, int);
void ipip_input(struct mbuf *, int);
extern struct domain inetdomain;
struct protosw inetsw[] = {
{ 0, &inetdomain, 0, 0,
0, ip_output, 0, 0,
0,
ip_init, 0, ip_slowtimo, ip_drain, ip_sysctl
},
{ SOCK_DGRAM, &inetdomain, IPPROTO_UDP, PR_ATOMIC|PR_ADDR,
udp_input, 0, udp_ctlinput, ip_ctloutput,
udp_usrreq,
udp_init, 0, 0, 0, udp_sysctl
},
{ SOCK_STREAM, &inetdomain, IPPROTO_TCP,
PR_CONNREQUIRED|PR_IMPLOPCL|PR_WANTRCVD,
tcp_input, 0, tcp_ctlinput, tcp_ctloutput,
tcp_usrreq,
tcp_init, tcp_fasttimo, tcp_slowtimo, tcp_drain, tcp_sysctl
},
{ SOCK_RAW, &inetdomain, IPPROTO_RAW, PR_ATOMIC|PR_ADDR,
rip_input, rip_output, 0, rip_ctloutput,
rip_usrreq,
0, 0, 0, 0,
},
{ SOCK_RAW, &inetdomain, IPPROTO_ICMP, PR_ATOMIC|PR_ADDR,
icmp_input, rip_output, 0, rip_ctloutput,
rip_usrreq,
0, 0, 0, 0, icmp_sysctl
},
{ SOCK_RAW, &inetdomain, IPPROTO_IGMP, PR_ATOMIC|PR_ADDR,
igmp_input, rip_output, 0, rip_ctloutput,
rip_usrreq,
igmp_init, igmp_fasttimo, igmp_slowtimo, 0, igmp_sysctl
},
{ SOCK_RAW, &inetdomain, IPPROTO_RSVP, PR_ATOMIC|PR_ADDR,
rsvp_input, rip_output, 0, rip_ctloutput,
rip_usrreq,
0, 0, 0, 0,
},
{ SOCK_RAW, &inetdomain, IPPROTO_ENCAP, PR_ATOMIC|PR_ADDR,
ipip_input, rip_output, 0, rip_ctloutput,
rip_usrreq,
0, 0, 0, 0,
},
#ifdef TPIP
{ SOCK_SEQPACKET,&inetdomain, IPPROTO_TP, PR_CONNREQUIRED|PR_WANTRCVD,
tpip_input, 0, tpip_ctlinput, tp_ctloutput,
tp_usrreq,
tp_init, 0, tp_slowtimo, tp_drain,
},
#endif
/* EON (ISO CLNL over IP) */
#ifdef EON
{ SOCK_RAW, &inetdomain, IPPROTO_EON, 0,
eoninput, 0, eonctlinput, 0,
0,
eonprotoinit, 0, 0, 0,
},
#endif
#ifdef NSIP
{ SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR,
idpip_input, rip_output, nsip_ctlinput, 0,
rip_usrreq,
0, 0, 0, 0,
},
#endif
/* raw wildcard */
{ SOCK_RAW, &inetdomain, 0, PR_ATOMIC|PR_ADDR,
rip_input, rip_output, 0, rip_ctloutput,
rip_usrreq,
rip_init, 0, 0, 0,
},
};
extern int in_inithead(void **, int);
struct domain inetdomain =
{ AF_INET, "internet", 0, 0, 0,
inetsw, &inetsw[sizeof(inetsw)/sizeof(inetsw[0])], 0,
in_inithead, 32, sizeof(struct sockaddr_in)
};
DOMAIN_SET(inet);
#include "imp.h"
#if NIMP > 0
extern struct domain impdomain;
int rimp_output(), hostslowtimo();
struct protosw impsw[] = {
{ SOCK_RAW, &impdomain, 0, PR_ATOMIC|PR_ADDR,
0, rimp_output, 0, 0,
rip_usrreq,
0, 0, hostslowtimo, 0,
},
};
struct domain impdomain =
{ AF_IMPLINK, "imp", 0, 0, 0,
impsw, &impsw[sizeof (impsw)/sizeof(impsw[0])] };
DOMAIN_SET(imp);
#endif
#if 0
#include "hy.h"
#if NHY > 0
/*
* HYPERchannel protocol family: raw interface.
*/
int rhy_output();
extern struct domain hydomain;
struct protosw hysw[] = {
{ SOCK_RAW, &hydomain, 0, PR_ATOMIC|PR_ADDR,
0, rhy_output, 0, 0,
rip_usrreq,
0, 0, 0, 0,
},
};
struct domain hydomain =
{ AF_HYLINK, "hy", 0, 0, 0, hysw, &hysw[sizeof (hysw)/sizeof(hysw[0])] };
DOMAIN_SET(hy);
#endif
#endif