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Diffstat (limited to 'cpukit/libnetworking/netinet/in_pcb.h')
| -rw-r--r-- | cpukit/libnetworking/netinet/in_pcb.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/cpukit/libnetworking/netinet/in_pcb.h b/cpukit/libnetworking/netinet/in_pcb.h new file mode 100644 index 0000000000..9390cfda6c --- /dev/null +++ b/cpukit/libnetworking/netinet/in_pcb.h @@ -0,0 +1,124 @@ +/* + * Copyright (c) 1982, 1986, 1990, 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. + * + * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93 + * $Id$ + */ + +#ifndef _NETINET_IN_PCB_H_ +#define _NETINET_IN_PCB_H_ + +#include <sys/queue.h> + +/* + * Common structure pcb for internet protocol implementation. + * Here are stored pointers to local and foreign host table + * entries, local and foreign socket numbers, and pointers + * up (to a socket structure) and down (to a protocol-specific) + * control block. + */ +LIST_HEAD(inpcbhead, inpcb); + +struct inpcb { + LIST_ENTRY(inpcb) inp_list; /* list for all PCBs of this proto */ + LIST_ENTRY(inpcb) inp_hash; /* hash list */ + struct inpcbinfo *inp_pcbinfo; /* PCB list info */ + struct in_addr inp_faddr; /* foreign host table entry */ + struct in_addr inp_laddr; /* local host table entry */ + u_short inp_fport; /* foreign port */ + u_short inp_lport; /* local port */ + caddr_t inp_ppcb; /* pointer to per-protocol pcb */ + struct socket *inp_socket; /* back pointer to socket */ + struct mbuf *inp_options; /* IP options */ + struct route inp_route; /* placeholder for routing entry */ + int inp_flags; /* generic IP/datagram flags */ + u_char inp_ip_tos; /* type of service proto */ + u_char inp_ip_ttl; /* time to live proto */ + u_char inp_ip_p; /* protocol proto */ + u_char pad[1]; /* alignment */ + struct ip_moptions *inp_moptions; /* IP multicast options */ +#if 0 /* Someday, perhaps... */ + struct ip inp_ip; /* header prototype; should have more */ +#endif +}; + +struct inpcbinfo { + struct inpcbhead *listhead; + struct inpcbhead *hashbase; + unsigned long hashmask; + unsigned short lastport; + unsigned short lastlow; + unsigned short lasthi; +}; + +#define INP_PCBHASH(faddr, lport, fport, mask) \ + (((faddr) ^ ((faddr) >> 16) ^ (lport) ^ (fport)) & (mask)) + +/* flags in inp_flags: */ +#define INP_RECVOPTS 0x01 /* receive incoming IP options */ +#define INP_RECVRETOPTS 0x02 /* receive IP options for reply */ +#define INP_RECVDSTADDR 0x04 /* receive IP dst address */ +#define INP_HDRINCL 0x08 /* user supplies entire IP header */ +#define INP_HIGHPORT 0x10 /* user wants "high" port binding */ +#define INP_LOWPORT 0x20 /* user wants "low" port binding */ +#define INP_ANONPORT 0x40 /* port chosen for user */ +#define INP_RECVIF 0x80 /* receive incoming interface */ +#define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\ + INP_RECVIF) + +#define INPLOOKUP_WILDCARD 1 + +#define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) + +#ifdef KERNEL +void in_losing __P((struct inpcb *)); +int in_pcballoc __P((struct socket *, struct inpcbinfo *)); +int in_pcbbind __P((struct inpcb *, struct mbuf *)); +int in_pcbconnect __P((struct inpcb *, struct mbuf *)); +void in_pcbdetach __P((struct inpcb *)); +void in_pcbdisconnect __P((struct inpcb *)); +int in_pcbladdr __P((struct inpcb *, struct mbuf *, + struct sockaddr_in **)); +struct inpcb * + in_pcblookup __P((struct inpcbinfo *, + struct in_addr, u_int, struct in_addr, u_int, int)); +struct inpcb * + in_pcblookuphash __P((struct inpcbinfo *, + struct in_addr, u_int, struct in_addr, u_int, int)); +void in_pcbnotify __P((struct inpcbhead *, struct sockaddr *, + u_int, struct in_addr, u_int, int, void (*)(struct inpcb *, int))); +void in_pcbrehash __P((struct inpcb *)); +void in_setpeeraddr __P((struct inpcb *, struct mbuf *)); +void in_setsockaddr __P((struct inpcb *, struct mbuf *)); +#endif + +#endif |