/* Copyright (c) University of British Columbia, 1984 */


/*
 *
 *  X.25 Logical Channel Descriptor
 *
 */

struct pklcd {
	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 */
	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_output_window;	/* Output flow control window */
	char	lcd_input_window;	/* Input flow control window */
	char	lcd_last_transmitted_pr;/* Last Pr value transmitted */
        bool	lcd_rnr_condition;	/* Remote in busy condition */
        bool	lcd_window_condition;	/* Output window size exceeded */
        bool	lcd_reset_condition;	/* True, if waiting reset confirm */
	char	lcd_packetsize;		/* Maximum packet size */
	char	lcd_windowsize;		/* Window size - both directions */
        octet	lcd_closed_user_group;	/* Closed user group specification */
	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 */
	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 */
};

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

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	x25config *pk_xcp;	/* network specific configuration */
	struct	pklcd *pk_chan[1];	/* actual size == xc_maxlcn+1 */
};

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

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