usr/src/sys/netinet/in_proto.c

/*      in_proto.c      5.3     82/11/03        */

#include "../h/param.h"
#include "../h/socket.h"
#include "../h/protosw.h"
#include "../h/domain.h"
#include "../h/mbuf.h"

#include "../netinet/in.h"
#include "../netinet/in_systm.h"

/*
 * TCP/IP protocol family: IP, ICMP, UDP, TCP.
 */
int     ip_output();
int     ip_init(),ip_slowtimo(),ip_drain();
int     icmp_input();
int     udp_input(),udp_ctlinput();
int     udp_usrreq();
int     udp_init();
int     tcp_input(),tcp_ctlinput();
int     tcp_usrreq();
int     tcp_init(),tcp_fasttimo(),tcp_slowtimo(),tcp_drain();
int     rip_input(),rip_output();
extern  int raw_usrreq();
/*
 * IMP protocol family: raw interface.
 * Using the raw interface entry to get the timer routine
 * in is a kludge.
 */
#include "imp.h"
#if NIMP > 0
int     rimp_output(), hostslowtimo();
#endif

struct protosw inetsw[] = {
{ 0,            PF_INET,        0,              0,
  0,            ip_output,      0,              0,
  0,
  ip_init,      0,              ip_slowtimo,    ip_drain,
},
{ 0,            PF_INET,        IPPROTO_ICMP,   0,
  icmp_input,   0,              0,              0,
  0,
  0,            0,              0,              0,
},
{ SOCK_DGRAM,   PF_INET,        IPPROTO_UDP,    PR_ATOMIC|PR_ADDR,
  udp_input,    0,              udp_ctlinput,   0,
  udp_usrreq,
  udp_init,     0,              0,              0,
},
{ SOCK_STREAM,  PF_INET,        IPPROTO_TCP,    PR_CONNREQUIRED|PR_WANTRCVD,
  tcp_input,    0,              tcp_ctlinput,   0,
  tcp_usrreq,
  tcp_init,     tcp_fasttimo,   tcp_slowtimo,   tcp_drain,
},
{ SOCK_RAW,     PF_INET,        IPPROTO_RAW,    PR_ATOMIC|PR_ADDR,
  rip_input,    rip_output,     0,      0,
  raw_usrreq,
  0,            0,              0,              0,
},
};

struct domain inetdomain =
    { AF_INET, "internet", inetsw, &inetsw[sizeof(inetsw)/sizeof(inetsw[0])] };

#if NIMP > 0
struct protosw impsw[] = {
{ SOCK_RAW,     PF_IMPLINK,     0,              PR_ATOMIC|PR_ADDR,
  0,            rimp_output,    0,              0,
  raw_usrreq,
  0,            0,              hostslowtimo,   0,
},
};

struct domain impdomain =
    { AF_IMPLINK, "imp", impsw, &impsw[sizeof (impsw)/sizeof(impsw[0])] };
#endif