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/*
*
* ===================================
* HARP | Host ATM Research Platform
* ===================================
*
*
* This Host ATM Research Platform ("HARP") file (the "Software") is
* made available by Network Computing Services, Inc. ("NetworkCS")
* "AS IS". NetworkCS does not provide maintenance, improvements or
* support of any kind.
*
* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
* In no event shall NetworkCS be responsible for any damages, including
* but not limited to consequential damages, arising from or relating to
* any use of the Software or related support.
*
* Copyright 1994-1998 Network Computing Services, Inc.
*
* Copies of this Software may be made, however, the above copyright
* notice must be reproduced on all copies.
*
* @(#) $FreeBSD$
*
*/
/*
* ATM Forum UNI Support
* ---------------------
*
* SSCOP protocol control blocks
*
*/
#ifndef _UNI_SSCOP_VAR_H
#define _UNI_SSCOP_VAR_H
/*
* Structure containing information for each SSCOP connection.
*/
struct sscop {
struct sscop *so_next; /* Next connection in chain */
u_char so_state; /* Connection state (see below) */
u_short so_flags; /* Connection flags (see below) */
enum sscop_vers so_vers; /* SSCOP version */
/* Transmitter variables */
sscop_seq so_send; /* VT(S) - next SD to send */
sscop_seq so_sendmax; /* VT(MS) - max SD to send + 1 */
sscop_seq so_ack; /* VT(A) - next expected ack */
sscop_seq so_pollsend; /* VT(PS) - last POLL sent */
sscop_seq so_pollack; /* VT(PA) - next expected STAT */
short so_polldata; /* VT(PD) - SD's sent between POLLs */
short so_connctl; /* VT(CC) - un-ack'd BGN,END,ER,RS */
u_char so_sendconn; /* VT(SQ) - last BGN,ER,RS sent */
/* Receiver variables */
sscop_seq so_rcvnext; /* VR(R) - next SD to receive */
sscop_seq so_rcvhigh; /* VR(H) - next highest SD to receive */
sscop_seq so_rcvmax; /* VR(MR) - max SD to receive + 1 */
u_char so_rcvconn; /* VR(SQ) - last BGN,ER,RS received */
/* PDU queues */
KBuffer *so_xmit_hd; /* SD transmission queue head */
KBuffer *so_xmit_tl; /* SD transmission queue tail */
struct pdu_hdr *so_rexmit_hd; /* SD retransmission queue head */
struct pdu_hdr *so_rexmit_tl; /* SD retransmission queue head */
struct pdu_hdr *so_pack_hd; /* SD pending ack queue head */
struct pdu_hdr *so_pack_tl; /* SD pending ack queue tail */
struct pdu_hdr *so_recv_hd; /* SD receive queue head */
struct pdu_hdr *so_recv_tl; /* SD receive queue tail */
/* Connection parameters */
struct sscop_parms so_parm; /* Connection parameters */
/* Timers */
u_short so_timer[SSCOP_T_NUM]; /* Connection timers */
/* Stack variables */
Atm_connvc *so_connvc; /* Connection vcc for this stack */
void *so_toku; /* Stack upper layer's token */
void *so_tokl; /* Stack lower layer's token */
void (*so_upper) /* Stack upper layer's interface */
(int, void *, int, int);
void (*so_lower) /* Stack lower layer's interface */
(int, void *, int, int);
u_short so_headout; /* Output buffer headroom */
};
/*
* Connection States
*
* Notes:
* # - state valid only for Q.SAAL1
* ## - state valid only for Q.2110
*/
#define SOS_INST 0 /* Instantiated, waiting for INIT */
#define SOS_IDLE 1 /* Idle connection */
#define SOS_OUTCONN 2 /* Outgoing connection pending */
#define SOS_INCONN 3 /* Incoming connection pending */
#define SOS_OUTDISC 4 /* Outgoing disconnection pending */
#define SOS_OUTRESYN 5 /* Outgoing resynchronization pending */
#define SOS_INRESYN 6 /* Incoming resynchronization pending */
#define SOS_CONRESYN 7 /* Concurrent resynch pending (#) */
#define SOS_OUTRECOV 7 /* Outgoing recovery pending (##) */
#define SOS_RECOVRSP 8 /* Recovery response pending (##) */
#define SOS_INRECOV 9 /* Incoming recovery pending (##) */
#define SOS_READY 10 /* Data transfer ready */
#define SOS_TERM 11 /* Waiting for TERM */
#define SOS_MAXSTATE 11 /* Maximum state value */
#define SOS_NUMSTATES (SOS_MAXSTATE+1)/* Number of states */
/*
* Connection Flags
*/
#define SOF_NOCLRBUF 0x0001 /* Clear buffers = no */
#define SOF_REESTAB 0x0002 /* SSCOP initiated reestablishment */
#define SOF_XMITSRVC 0x0004 /* Transmit queues need servicing */
#define SOF_KEEPALIVE 0x0008 /* Polling in transient phase */
#define SOF_ENDSSCOP 0x0010 /* Last END PDU, SOURCE=SSCOP */
#define SOF_NOCREDIT 0x0020 /* Transmit window closed */
/*
* SSCOP statistics
*/
struct sscop_stat {
u_long sos_connects; /* Connection instances */
u_long sos_aborts; /* Connection aborts */
u_long sos_maa_error[MAA_ERROR_COUNT]; /* Management errors */
};
#ifdef _KERNEL
/*
* Global function declarations
*/
/* sscop.c */
int sscop_start(void);
int sscop_stop(void);
void sscop_maa_error(struct sscop *, int);
void sscop_abort(struct sscop *, char *);
/* sscop_lower.c */
void sscop_lower(int, void *, int, int);
void sscop_aa_noop_0(struct sscop *, int, int);
void sscop_aa_noop_1(struct sscop *, int, int);
void sscop_init_inst(struct sscop *, int, int);
void sscop_term_all(struct sscop *, int, int);
/* sscop_pdu.c */
int sscop_send_bgn(struct sscop *, int);
int sscop_send_bgak(struct sscop *);
int sscop_send_bgrej(struct sscop *);
int sscop_send_end(struct sscop *, int);
int sscop_send_endak(struct sscop *);
int sscop_send_rs(struct sscop *);
int sscop_send_rsak(struct sscop *);
int sscop_send_er(struct sscop *);
int sscop_send_erak(struct sscop *);
int sscop_send_poll(struct sscop *);
int sscop_send_stat(struct sscop *, sscop_seq);
int sscop_send_ustat(struct sscop *, sscop_seq);
int sscop_send_ud(struct sscop *, KBuffer *);
void sscop_pdu_print(struct sscop *, KBuffer *, char *);
/* sscop_sigaa.c */
void sscop_estreq_idle(struct sscop *, int, int);
void sscop_estrsp_inconn(struct sscop *, int, int);
void sscop_relreq_outconn(struct sscop *, int, int);
void sscop_relreq_inconn(struct sscop *, int, int);
void sscop_relreq_ready(struct sscop *, int, int);
void sscop_datreq_ready(struct sscop *, int, int);
void sscop_udtreq_all(struct sscop *, int, int);
/* sscop_sigcpcs.c */
void sscop_noop(struct sscop *, KBuffer *, caddr_t);
void sscop_bgn_idle(struct sscop *, KBuffer *, caddr_t);
void sscop_bgn_outdisc(struct sscop *, KBuffer *, caddr_t);
void sscop_bgn_outresyn(struct sscop *, KBuffer *, caddr_t);
void sscop_bgn_inresyn(struct sscop *, KBuffer *, caddr_t);
void sscop_bgak_error(struct sscop *, KBuffer *, caddr_t);
void sscop_bgak_idle(struct sscop *, KBuffer *, caddr_t);
void sscop_bgak_outconn(struct sscop *, KBuffer *, caddr_t);
void sscop_bgrej_error(struct sscop *, KBuffer *, caddr_t);
void sscop_bgrej_outconn(struct sscop *, KBuffer *, caddr_t);
void sscop_bgrej_inconn(struct sscop *, KBuffer *, caddr_t);
void sscop_bgrej_outresyn(struct sscop *, KBuffer *, caddr_t);
void sscop_bgrej_ready(struct sscop *, KBuffer *, caddr_t);
void sscop_end_idle(struct sscop *, KBuffer *, caddr_t);
void sscop_end_inconn(struct sscop *, KBuffer *, caddr_t);
void sscop_end_outdisc(struct sscop *, KBuffer *, caddr_t);
void sscop_endak_error(struct sscop *, KBuffer *, caddr_t);
void sscop_endak_inconn(struct sscop *, KBuffer *, caddr_t);
void sscop_endak_outdisc(struct sscop *, KBuffer *, caddr_t);
void sscop_endak_ready(struct sscop *, KBuffer *, caddr_t);
void sscop_rs_error(struct sscop *, KBuffer *, caddr_t);
void sscop_rs_idle(struct sscop *, KBuffer *, caddr_t);
void sscop_rsak_error(struct sscop *, KBuffer *, caddr_t);
void sscop_rsak_idle(struct sscop *, KBuffer *, caddr_t);
void sscop_rsak_outresyn(struct sscop *, KBuffer *, caddr_t);
void sscop_sd_error(struct sscop *, KBuffer *, caddr_t);
void sscop_sd_idle(struct sscop *, KBuffer *, caddr_t);
void sscop_sd_inconn(struct sscop *, KBuffer *, caddr_t);
void sscop_poll_error(struct sscop *, KBuffer *, caddr_t);
void sscop_poll_idle(struct sscop *, KBuffer *, caddr_t);
void sscop_poll_inconn(struct sscop *, KBuffer *, caddr_t);
void sscop_stat_error(struct sscop *, KBuffer *, caddr_t);
void sscop_stat_idle(struct sscop *, KBuffer *, caddr_t);
void sscop_stat_inconn(struct sscop *, KBuffer *, caddr_t);
void sscop_stat_ready(struct sscop *, KBuffer *, caddr_t);
void sscop_ustat_error(struct sscop *, KBuffer *, caddr_t);
void sscop_ustat_idle(struct sscop *, KBuffer *, caddr_t);
void sscop_ustat_inconn(struct sscop *, KBuffer *, caddr_t);
void sscop_ustat_ready(struct sscop *, KBuffer *, caddr_t);
void sscop_ud_all(struct sscop *, KBuffer *, caddr_t);
void sscop_md_all(struct sscop *, KBuffer *, caddr_t);
/* sscop_subr.c */
KBuffer * sscop_stat_getelem(KBuffer *, sscop_seq *);
struct pdu_hdr *sscop_pack_locate(struct sscop *, sscop_seq);
void sscop_pack_free(struct sscop *, sscop_seq);
void sscop_rexmit_insert(struct sscop *, struct pdu_hdr *);
void sscop_rexmit_unlink(struct sscop *, struct pdu_hdr *);
void sscop_xmit_drain(struct sscop *);
int sscop_recv_insert(struct sscop *, struct pdu_hdr *);
void sscop_rcvr_drain(struct sscop *);
void sscop_service_xmit(struct sscop *);
int sscop_is_rexmit(struct sscop *, u_char);
void sscop_set_poll(struct sscop *);
/* sscop_timer.c */
void sscop_timeout(struct atm_time *);
/* sscop_upper.c */
void sscop_upper(int, void *, int, int);
/* q2110_sigaa.c */
/* q2110_sigcpcs.c */
/* q2110_subr.c */
void q2110_clear_xmit(struct sscop *);
void q2110_init_state(struct sscop *);
void q2110_prep_retrieve(struct sscop *);
void q2110_prep_recovery(struct sscop *);
void q2110_deliver_data(struct sscop *);
void q2110_error_recovery(struct sscop *);
/* qsaal1_sigaa.c */
/* qsaal1_sigcpcs.c */
/* qsaal1_subr.c */
void qsaal1_reestablish(struct sscop *);
void qsaal1_reset_xmit(struct sscop *);
void qsaal1_reset_rcvr(struct sscop *);
void qsaal1_clear_connection(struct sscop *);
/*
* External variables
*/
extern struct sp_info sscop_pool;
extern int sscop_vccnt;
extern struct sscop *sscop_head;
extern struct sscop_stat sscop_stat;
extern struct atm_time sscop_timer;
extern void (*(*sscop_qsaal_aatab[]))
(struct sscop *, int, int);
extern void (*(*sscop_q2110_aatab[]))
(struct sscop *, int, int);
extern void (*(*sscop_qsaal_pdutab[]))
(struct sscop *, KBuffer *, caddr_t);
extern void (*(*sscop_q2110_pdutab[]))
(struct sscop *, KBuffer *, caddr_t);
#endif /* _KERNEL */
#endif /* _UNI_SSCOP_VAR_H */
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