this version compiles; completely untested

[unix-history] / usr / src / sys / netccitt / pk_var.h

diff --git a/usr/src/sys/netccitt/pk_var.h b/usr/src/sys/netccitt/pk_var.h
index 39120c1..6411d24 100644 (file)
--- a/usr/src/sys/netccitt/pk_var.h
+++ b/usr/src/sys/netccitt/pk_var.h
@@ -1,4 +1,16 @@
-/* Copyright (c) University of British Columbia, 1984 */
+/*
+ * Copyright (c) University of British Columbia, 1984
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Laboratory for Computation Vision and the Computer Science Department
+ * of the University of British Columbia.
+ *
+ * %sccs.include.redist.c%
+ *
+ *     @(#)pk_var.h    7.6 (Berkeley) %G%
+ */

 
 
 /*
 
 
 /*


@@ -8,11 +20,15 @@
  */
 
 struct pklcd {
  */
 
 struct pklcd {

+       int     (*lcd_send)();          /* if X.25 front end, direct connect */
+       int     (*lcd_upper)();         /* switch to socket vs datagram vs ...*/
+       caddr_t lcd_upnext;             /* reference for lcd_upper() */

        short   lcd_lcn;                /* Logical channel number */
        short   lcd_state;              /* Logical Channel state */
         bool   lcd_intrconf_pending;   /* Interrupt confirmation pending */
        octet   lcd_intrdata;           /* Octet of incoming intr data */
        short   lcd_timer;              /* Various timer values */
        short   lcd_lcn;                /* Logical channel number */
        short   lcd_state;              /* Logical Channel state */
         bool   lcd_intrconf_pending;   /* Interrupt confirmation pending */
        octet   lcd_intrdata;           /* Octet of incoming intr data */
        short   lcd_timer;              /* Various timer values */

+       short   lcd_dg_timer;           /* to reclaim idle datagram circuits */

        char    lcd_retry;              /* Timer retry count */
        char    lcd_rsn;                /* Seq no of last received packet */
        char    lcd_ssn;                /* Seq no of next packet to send */
        char    lcd_retry;              /* Timer retry count */
        char    lcd_rsn;                /* Seq no of last received packet */
        char    lcd_ssn;                /* Seq no of next packet to send */


@@ -28,16 +44,22 @@ struct pklcd {
        char    lcd_flags;              /* copy of sockaddr_x25 op_flags */
        struct  x25_packet *lcd_template;/* Address of current packet */
        struct  socket *lcd_so;         /* Socket addr for connection */
        char    lcd_flags;              /* copy of sockaddr_x25 op_flags */
        struct  x25_packet *lcd_template;/* Address of current packet */
        struct  socket *lcd_so;         /* Socket addr for connection */

-       struct  sockaddr_x25 *lcd_craddr;/* Calling address */
-       struct  sockaddr_x25 *lcd_ceaddr;/* Called address */
+       struct  sockaddr_x25 *lcd_craddr;/* Calling address pointer */
+       struct  sockaddr_x25 *lcd_ceaddr;/* Called address pointer */

        time_t  lcd_stime;              /* time circuit established */
        long    lcd_txcnt;              /* Data packet transmit count */
        long    lcd_rxcnt;              /* Data packet receive count */
        short   lcd_intrcnt;            /* Interrupt packet transmit count */
        struct  pklcd *lcd_listen;      /* Next lcd on listen queue */
        time_t  lcd_stime;              /* time circuit established */
        long    lcd_txcnt;              /* Data packet transmit count */
        long    lcd_rxcnt;              /* Data packet receive count */
        short   lcd_intrcnt;            /* Interrupt packet transmit count */
        struct  pklcd *lcd_listen;      /* Next lcd on listen queue */

-       struct  pkcb *lcd_pkp;          /* network this lcd is attached to */
+       struct  pkcb *lcd_pkp;          /* Network this lcd is attached to */
+       struct  sockaddr_x25 lcd_faddr; /* Remote Address (Calling) */
+       struct  sockaddr_x25 lcd_laddr; /* Local Address (Called) */
+       struct  sockbuf lcd_sb;         /* alternate for datagram service */

 };
 
 };
 

+#define X25_DG_CIRCUIT 0x10            /* lcd_flag: used for datagrams */
+#define X25_DG_ROUTING 0x20            /* lcd_flag: peer addr not yet known */
+

 /*
  * Per network information, allocated dynamically
  * when a new network is configured.
 /*
  * Per network information, allocated dynamically
  * when a new network is configured.


@@ -45,16 +67,64 @@ struct pklcd {
 
 struct pkcb {
        struct  pkcb *pk_next;
 
 struct pkcb {
        struct  pkcb *pk_next;

-       short   pk_state;               /* packet level status */
-       short   pk_maxlcn;              /* local copy of xc_maxlcn */
-       int     (*pk_output) ();        /* link level output procedure */
+       struct  x25_ifaddr *pk_ia;      /* backpointer to ifaddr */
+       int     (*pk_lloutput) ();      /* link level output procedure */
+       caddr_t pk_llnext;              /* handle for next level down */
+       int     (*pk_start) ();         /* connect, confirm method */

        struct  x25config *pk_xcp;      /* network specific configuration */
        struct  x25config *pk_xcp;      /* network specific configuration */

-       struct  pklcd *pk_chan[1];      /* actual size == xc_maxlcn+1 */
+       short   pk_state;               /* packet level status */
+       struct  x25config pk_xc;        /* network specific configuration */
+       struct  pklcd **pk_chan;        /* actual size == xc_maxlcn+1 */
+#define        pk_maxlcn pk_xc.xc_maxlcn       /* local copy of xc_maxlcn */
+};
+/*
+ *     Interface address, x25 version. Exactly one of these structures is 
+ *     allocated for each interface with an x25 address.
+ *
+ *     The ifaddr structure conatins the protocol-independent part
+ *     of the structure, and is assumed to be first.
+ */
+struct x25_ifaddr {
+       struct  ifaddr ia_ifa;          /* protocol-independent info */
+#define ia_ifp         ia_ifa.ifa_ifp
+#define        ia_flags        ia_ifa.ifa_flags
+       struct  pkcb    ia_pkcb;        /* per network information */
+#define ia_maxlcn      ia_pkcb.pk_maxlcn
+#define ia_chan                ia_pkcb.pk_chan
+#define ia_xc          ia_pkcb.pk_xc
+#define ia_xcp         ia_pkcb.pk_xcp
+       struct  sockaddr_x25 ia_sockmask; /* reserve space for netmask */

 };
 
 };
 

+/*
+ * ``Link-Level'' extension to Routing Entry for upper level
+ * packet switching via X.25 virtual circuits.
+ */
+struct llinfo_x25 {
+       struct  pklcd *lx_lcd;          /* local connection block */
+       struct  rtentry *lx_rt;         /* back pointer to route */
+       struct  x25_ifaddr *lx_ia;      /* may not be same as rt_ifa */
+       int     lx_state;               /* can't trust lcd->lcd_state */
+       int     lx_flags;
+       int     lx_timer;               /* for idle timeout */
+};
+
+/* States for lx_state */
+#define LXS_NEWBORN            0
+#define LXS_RESOLVING          1
+#define LXS_FREE               2
+#define LXS_CONNECTED          3
+#define LXS_CONNECTING         4
+#define LXS_DISCONNECTING      5
+
+/* flags */
+#define LXF_VALID      0x1             /* Circuit is live, etc. */
+#define LXF_RTHELD     0x2             /* this lcb references rtentry */
+

 #ifdef KERNEL
 struct pkcb *pkcbhead;         /* head of linked list of networks */
 struct pklcd *pk_listenhead;
 #ifdef KERNEL
 struct pkcb *pkcbhead;         /* head of linked list of networks */
 struct pklcd *pk_listenhead;

+struct pklcd *pk_attach();

 
 char   *pk_name[], *pk_state[];
 int    pk_t20, pk_t21, pk_t22, pk_t23;
 
 char   *pk_name[], *pk_state[];
 int    pk_t20, pk_t21, pk_t22, pk_t23;