usr/src/sys/netiso/iso_pcb.h

/***********************************************************
                Copyright IBM Corporation 1987

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/*
 * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
 */
/* $Header: iso_pcb.h,v 4.3 88/06/29 15:00:01 hagens Exp $ */
/* $Source: /usr/argo/sys/netiso/RCS/iso_pcb.h,v $ */

#define MAXX25CRUDLEN   16      /* 16 bytes of call request user data */

/*
 * Common structure pcb for argo protocol implementation.
 */
struct isopcb {
        struct  isopcb                  *isop_next,*isop_prev; /* pointers to other pcb's */
        struct  isopcb                  *isop_head;     /* pointer back to chain of pcbs for
                                                                this protocol */
        struct  socket                  *isop_socket;   /* back pointer to socket */
        struct  sockaddr_iso    isop_laddr;
#define isop_lport isop_laddr.siso_tsuffix
#define isop_lportlen isop_laddr.siso_tsuffixlen
        struct  sockaddr_iso    isop_faddr;
#define isop_fport isop_faddr.siso_tsuffix
#define isop_fportlen isop_faddr.siso_tsuffixlen
        struct  route                   isop_route;                     /* CLNP routing entry */
        struct  mbuf                    *isop_options;          /* CLNP options */
        struct  mbuf                    *isop_optindex;         /* CLNP options index */
        struct  mbuf                    *isop_clnpcache;        /* CLNP cached hdr */
        u_int                   isop_chanmask;          /* which ones used - max 32 supported */
        u_int                   isop_negchanmask;       /* which ones used - max 32 supported */
        int                                             isop_x25crud_len;       /* x25 call request ud */
        char                                    isop_x25crud[MAXX25CRUDLEN];
        struct ifnet                    *isop_ifp;              /* ESIS interface assoc w/sock */
};

#define sotoisopcb(so)  ((struct isopcb *)(so)->so_npcb)

#ifdef KERNEL
struct  isopcb *iso_pcblookup();
#endif