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freebsd/sys/netatm/uni/sscop_var.h
Poul-Henning Kamp 1820df7a2d Add new files for HARP3 
Host ATM Research Platform (HARP), Network Computing Services, Inc.
This software was developed with the support of the Defense Advanced
Research Projects Agency (DARPA).
1998-09-15 08:23:17 +00:00

284 lines
11 KiB
C
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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.
*
* @(#) $Id: sscop_var.h,v 1.6 1998/04/07 23:21:57 mks Exp $
*
*/
/*
* 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 */
__P((int, void *, int, int));
void (*so_lower) /* Stack lower layer's interface */
__P((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 ATM_KERNEL
/*
* Global function declarations
*/
/* sscop.c */
int sscop_start __P((void));
int sscop_stop __P((void));
void sscop_maa_error __P((struct sscop *, int));
void sscop_abort __P((struct sscop *, char *));
/* sscop_lower.c */
void sscop_lower __P((int, void *, int, int));
void sscop_aa_noop_0 __P((struct sscop *, int, int));
void sscop_aa_noop_1 __P((struct sscop *, int, int));
void sscop_init_inst __P((struct sscop *, int, int));
void sscop_term_all __P((struct sscop *, int, int));
/* sscop_pdu.c */
int sscop_send_bgn __P((struct sscop *, int));
int sscop_send_bgak __P((struct sscop *));
int sscop_send_bgrej __P((struct sscop *));
int sscop_send_end __P((struct sscop *, int));
int sscop_send_endak __P((struct sscop *));
int sscop_send_rs __P((struct sscop *));
int sscop_send_rsak __P((struct sscop *));
int sscop_send_er __P((struct sscop *));
int sscop_send_erak __P((struct sscop *));
int sscop_send_poll __P((struct sscop *));
int sscop_send_stat __P((struct sscop *, sscop_seq));
int sscop_send_ustat __P((struct sscop *, sscop_seq));
int sscop_send_ud __P((struct sscop *, KBuffer *));
void sscop_pdu_print __P((struct sscop *, KBuffer *, char *));
/* sscop_sigaa.c */
void sscop_estreq_idle __P((struct sscop *, int, int));
void sscop_estrsp_inconn __P((struct sscop *, int, int));
void sscop_relreq_outconn __P((struct sscop *, int, int));
void sscop_relreq_inconn __P((struct sscop *, int, int));
void sscop_relreq_ready __P((struct sscop *, int, int));
void sscop_datreq_ready __P((struct sscop *, int, int));
void sscop_udtreq_all __P((struct sscop *, int, int));
/* sscop_sigcpcs.c */
void sscop_noop __P((struct sscop *, KBuffer *, caddr_t));
void sscop_bgn_idle __P((struct sscop *, KBuffer *, caddr_t));
void sscop_bgn_outdisc __P((struct sscop *, KBuffer *, caddr_t));
void sscop_bgn_outresyn __P((struct sscop *, KBuffer *, caddr_t));
void sscop_bgn_inresyn __P((struct sscop *, KBuffer *, caddr_t));
void sscop_bgak_error __P((struct sscop *, KBuffer *, caddr_t));
void sscop_bgak_idle __P((struct sscop *, KBuffer *, caddr_t));
void sscop_bgak_outconn __P((struct sscop *, KBuffer *, caddr_t));
void sscop_bgrej_error __P((struct sscop *, KBuffer *, caddr_t));
void sscop_bgrej_outconn __P((struct sscop *, KBuffer *, caddr_t));
void sscop_bgrej_inconn __P((struct sscop *, KBuffer *, caddr_t));
void sscop_bgrej_outresyn __P((struct sscop *, KBuffer *, caddr_t));
void sscop_bgrej_ready __P((struct sscop *, KBuffer *, caddr_t));
void sscop_end_idle __P((struct sscop *, KBuffer *, caddr_t));
void sscop_end_inconn __P((struct sscop *, KBuffer *, caddr_t));
void sscop_end_outdisc __P((struct sscop *, KBuffer *, caddr_t));
void sscop_endak_error __P((struct sscop *, KBuffer *, caddr_t));
void sscop_endak_inconn __P((struct sscop *, KBuffer *, caddr_t));
void sscop_endak_outdisc __P((struct sscop *, KBuffer *, caddr_t));
void sscop_endak_ready __P((struct sscop *, KBuffer *, caddr_t));
void sscop_rs_error __P((struct sscop *, KBuffer *, caddr_t));
void sscop_rs_idle __P((struct sscop *, KBuffer *, caddr_t));
void sscop_rsak_error __P((struct sscop *, KBuffer *, caddr_t));
void sscop_rsak_idle __P((struct sscop *, KBuffer *, caddr_t));
void sscop_rsak_outresyn __P((struct sscop *, KBuffer *, caddr_t));
void sscop_sd_error __P((struct sscop *, KBuffer *, caddr_t));
void sscop_sd_idle __P((struct sscop *, KBuffer *, caddr_t));
void sscop_sd_inconn __P((struct sscop *, KBuffer *, caddr_t));
void sscop_poll_error __P((struct sscop *, KBuffer *, caddr_t));
void sscop_poll_idle __P((struct sscop *, KBuffer *, caddr_t));
void sscop_poll_inconn __P((struct sscop *, KBuffer *, caddr_t));
void sscop_stat_error __P((struct sscop *, KBuffer *, caddr_t));
void sscop_stat_idle __P((struct sscop *, KBuffer *, caddr_t));
void sscop_stat_inconn __P((struct sscop *, KBuffer *, caddr_t));
void sscop_stat_ready __P((struct sscop *, KBuffer *, caddr_t));
void sscop_ustat_error __P((struct sscop *, KBuffer *, caddr_t));
void sscop_ustat_idle __P((struct sscop *, KBuffer *, caddr_t));
void sscop_ustat_inconn __P((struct sscop *, KBuffer *, caddr_t));
void sscop_ustat_ready __P((struct sscop *, KBuffer *, caddr_t));
void sscop_ud_all __P((struct sscop *, KBuffer *, caddr_t));
void sscop_md_all __P((struct sscop *, KBuffer *, caddr_t));
/* sscop_subr.c */
KBuffer * sscop_stat_getelem __P((KBuffer *, sscop_seq *));
struct pdu_hdr *sscop_pack_locate __P((struct sscop *, sscop_seq));
void sscop_pack_free __P((struct sscop *, sscop_seq));
void sscop_rexmit_insert __P((struct sscop *, struct pdu_hdr *));
void sscop_rexmit_unlink __P((struct sscop *, struct pdu_hdr *));
void sscop_xmit_drain __P((struct sscop *));
int sscop_recv_insert __P((struct sscop *, struct pdu_hdr *));
void sscop_rcvr_drain __P((struct sscop *));
void sscop_service_xmit __P((struct sscop *));
int sscop_is_rexmit __P((struct sscop *, u_char));
void sscop_set_poll __P((struct sscop *));
/* sscop_timer.c */
void sscop_timeout __P((struct atm_time *));
/* sscop_upper.c */
void sscop_upper __P((int, void *, int, int));
/* q2110_sigaa.c */
/* q2110_sigcpcs.c */
/* q2110_subr.c */
void q2110_clear_xmit __P((struct sscop *));
void q2110_init_state __P((struct sscop *));
void q2110_prep_retrieve __P((struct sscop *));
void q2110_prep_recovery __P((struct sscop *));
void q2110_deliver_data __P((struct sscop *));
void q2110_error_recovery __P((struct sscop *));
/* qsaal1_sigaa.c */
/* qsaal1_sigcpcs.c */
/* qsaal1_subr.c */
void qsaal1_reestablish __P((struct sscop *));
void qsaal1_reset_xmit __P((struct sscop *));
void qsaal1_reset_rcvr __P((struct sscop *));
void qsaal1_clear_connection __P((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[]))
__P((struct sscop *, int, int));
extern void (*(*sscop_q2110_aatab[]))
__P((struct sscop *, int, int));
extern void (*(*sscop_qsaal_pdutab[]))
__P((struct sscop *, KBuffer *, caddr_t));
extern void (*(*sscop_q2110_pdutab[]))
__P((struct sscop *, KBuffer *, caddr_t));
#endif /* ATM_KERNEL */
#endif /* _UNI_SSCOP_VAR_H */
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