72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
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/* in_pcb.h
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* internet protcol control blocks
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*/
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//#include <sys/socketvar.h>
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#include <sys/socket.h>
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#include <pools.h>
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#include <netinet/ip.h>
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#include <netinet/in.h>
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#include <net/route.h>
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#ifndef _NETINET_INPCB_H
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#define _NETINET_INPCB_H
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enum {
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INP_HDRINCL = 0x01,
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INP_RECVOPTS = 0x02,
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INP_RECVRETOPTS = 0x04,
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INP_RECVDSTADDR = 0x08 /* receive IP destination as control inf. */
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};
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#define INP_CONTROLOPT (INP_RECVOPTS | INP_RECVRETOPTS | INP_RECVDSTADDR)
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/* Constants for in_pcblookup */
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enum {
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INPLOOKUP_WILDCARD = 1,
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INPLOOKUP_SETLOCAL = 2,
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INPLOOKUP_IPV6 = 4
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};
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struct inpcb {
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struct inpcb *inp_next;
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struct inpcb *inp_prev;
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struct inpcb *inp_head;
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struct in_addr faddr; /* foreign address */
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uint16 fport; /* foreign port # */
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struct in_addr laddr; /* local address */
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uint16 lport; /* local port # */
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struct socket *inp_socket;
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char *inp_ppcb; /* pointer to a per protocol pcb*/
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struct ip inp_ip; /* header prototype */
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int inp_flags; /* flags */
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struct mbuf *inp_options; /* IP options */
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/* more will be required */
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struct route inp_route; /* the route to host */
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};
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int in_pcbinit (void);
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int in_pcballoc (struct socket *, struct inpcb *);
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int in_pcbbind (struct inpcb *, struct mbuf *);
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int in_pcbconnect (struct inpcb *, struct mbuf *);
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void in_pcbdetach (struct inpcb *);
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int in_pcbdisconnect (struct inpcb *);
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void in_losing (struct inpcb *);
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void in_setpeeraddr (struct inpcb *, struct mbuf *);
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void in_setsockaddr (struct inpcb *, struct mbuf *);
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struct inpcb *in_pcblookup(struct inpcb *head, struct in_addr faddr,
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uint16 fport_a, struct in_addr laddr,
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uint16 lport_a, int flags);
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struct rtentry *in_pcbrtentry (struct inpcb *);
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void in_pcbnotify (struct inpcb *, struct sockaddr *,
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uint16, struct in_addr, uint16,
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int, void (*)(struct inpcb *, int));
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/* helpful macro's */
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#define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb)
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#endif /* _NETINET_INPCB_H */
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