/* * * =================================== * 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 */ __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 */