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Diffstat (limited to 'sys/netatm/uni/sscop_var.h')
| -rw-r--r-- | sys/netatm/uni/sscop_var.h | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/sys/netatm/uni/sscop_var.h b/sys/netatm/uni/sscop_var.h new file mode 100644 index 0000000..9a739d3 --- /dev/null +++ b/sys/netatm/uni/sscop_var.h @@ -0,0 +1,283 @@ +/* + * + * =================================== + * 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 */ |
