/* * * =================================== * 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: src/sys/netatm/uni/sscop_var.h,v 1.2 1999/08/28 00:49:01 peter Exp $ * @(#) $DragonFly: src/sys/netproto/atm/uni/sscop_var.h,v 1.3 2003/08/23 10:06:22 rob 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 */ (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 ATM_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 /* ATM_KERNEL */ #endif /* _UNI_SSCOP_VAR_H */