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).

1 files changed, 259 insertions, 0 deletions

diff --git a/sys/netatm/spans/spans_var.h b/sys/netatm/spans/spans_var.h
new file mode 100644
index 0000000..8f9ac8a
--- /dev/null
+++ b/sys/netatm/spans/spans_var.h
@@ -0,0 +1,259 @@
+/*
+ *
+ * ===================================
+ * 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: spans_var.h,v 1.7 1998/04/09 14:24:18 johnc Exp $
+ *
+ */
+
+/*
+ * SPANS Signalling Manager
+ * ---------------------------
+ *
+ * Protocol control blocks
+ *
+ */
+
+#ifndef _SPANS_SPANS_VAR_H
+#define _SPANS_SPANS_VAR_H
+
+#ifdef ATM_KERNEL
+/*
+ * Constants to indicate the state of the signalling interface
+ */
+#define SPANS_UNI_UP	1
+#define SPANS_UNI_DOWN	-1
+
+
+/*
+ * Structure containing state information for each SPANS protocol
+ * instance.  There will be one instance for each ATM device interface
+ * using the SPANS signalling manager.
+ */
+struct	spans {
+	struct siginst	sp_inst;	/* Header */
+	struct atm_time	sp_time;	/* Timer controls */
+	void		(*sp_lower)	/* Lower command handler */
+				__P((int, void *, int, int));
+	Atm_connection	*sp_conn;	/* Signalling connection */
+	long		sp_s_epoch;	/* Switch epoch */
+	long		sp_h_epoch;	/* Host epoch */
+	u_int		sp_probe_ct;	/* Status_req msgs unanswered */
+	u_int		sp_alloc_vci;	/* Next VCI to allocate */
+	u_int		sp_alloc_vpi;	/* Next VPI to allocate */
+	u_int		sp_min_vci;	/* Lowest VCI to allocate */
+	u_int		sp_max_vci;	/* Highest VCI to allocate */
+	struct spanscls	*sp_cls;	/* CLS instance */
+};
+
+#define sp_next		sp_inst.si_next
+#define sp_pif		sp_inst.si_pif
+#define sp_addr		sp_inst.si_addr
+#define sp_subaddr	sp_inst.si_subaddr
+#define sp_vccq		sp_inst.si_vccq
+#define sp_state	sp_inst.si_state
+#define sp_ipserv	sp_inst.si_ipserv
+#endif	/* ATM_KERNEL */
+
+/*
+ * SPANS Protocol States
+ */
+#define	SPANS_ACTIVE	1		/* Active */
+#define	SPANS_DETACH	2		/* Detach in progress */
+#define SPANS_INIT	3		/* Initializing */
+#define SPANS_PROBE	4		/* Exchanging status info */
+
+#define	SPANS_PROBE_INTERVAL	(ATM_HZ)	/* Interval between SPANS_STAT_REQs */
+#define	SPANS_PROBE_THRESH	10		/* Probe time-out threshold */
+#define	SPANS_PROBE_ERR_WAIT	(3 * ATM_HZ)	/* Time to wait if send probe fails */
+
+
+#ifdef ATM_KERNEL
+/*
+ * SPANS Virtual Channel Connection control block.  All information
+ * regarding the state of a SPANS-controlled VCC will be recorded here.
+ * There will be one SPANS VCC control block for each SPANS-controlled
+ * VCC.
+ */
+struct spans_vccb {
+	struct vccb	vcp_hdr;	/* Generic VCCB */
+	u_short		sv_retry;	/* Xmit retry count */
+	spans_atm_conn	sv_conn;	/* SPANS connection info */
+	spans_resrc sv_spans_qos;	/* QoS for VCC */
+	spans_aal	sv_spans_aal;	/* AAL for VCC */
+};
+
+#define	sv_type		vcp_hdr.vc_type
+#define	sv_proto	vcp_hdr.vc_proto
+#define	sv_sstate	vcp_hdr.vc_sstate
+#define	sv_ustate	vcp_hdr.vc_ustate
+#define	sv_pif		vcp_hdr.vc_pif
+#define	sv_nif		vcp_hdr.vc_nif
+#define	sv_sigelem	vcp_hdr.vc_sigelem
+#define	sv_time		vcp_hdr.vc_time
+#define	sv_vpi		vcp_hdr.vc_vpi
+#define	sv_vci		vcp_hdr.vc_vci
+#define	sv_connvc	vcp_hdr.vc_connvc
+#define	sv_ipdus	vcp_hdr.vc_ipdus
+#define	sv_opdus	vcp_hdr.vc_opdus
+#define	sv_ibytes	vcp_hdr.vc_ibytes
+#define	sv_obytes	vcp_hdr.vc_obytes
+#define	sv_ierrors	vcp_hdr.vc_ierrors
+#define	sv_oerrors	vcp_hdr.vc_oerrors
+#define	sv_tstamp	vcp_hdr.vc_tstamp
+#define	sv_daddr	sv_conn.daddr
+#define	sv_saddr	sv_conn.saddr
+#define	sv_dsap		sv_conn.dsap
+#define	sv_ssap		sv_conn.ssap
+
+#define SV_MAX_RETRY	3
+#define SV_TIMEOUT	(ATM_HZ)
+
+#endif	/* ATM_KERNEL */
+
+
+/*
+ * SPANS VCC Signalling Protocol States
+ */
+#define	SPANS_VC_NULL		0	/* No state */
+#define	SPANS_VC_ACTIVE		1	/* Active */
+#define	SPANS_VC_ACT_DOWN	2	/* Active - Interface down */
+#define	SPANS_VC_POPEN		3	/* VCC open in progress */
+#define	SPANS_VC_R_POPEN	4	/* VCC rmt open in progress */
+#define	SPANS_VC_OPEN		5	/* VCC open */
+#define	SPANS_VC_CLOSE		6	/* VCC close in progress */
+#define	SPANS_VC_ABORT		7	/* VCC abort in progress */
+#define	SPANS_VC_FREE		8	/* Waiting for user to free resources */
+
+
+#ifdef ATM_KERNEL
+/*
+ * Macro to compare two SPANS addresses.  
+ *
+ * Returns 0 if the addresses are equal.
+ */
+#define spans_addr_cmp(a, b)	\
+	(bcmp((caddr_t)a, (caddr_t)b, sizeof(struct spans_addr)))
+
+/*
+ * Macro to copy a SPANS address from a to b.  
+ */
+#define spans_addr_copy(a, b)	\
+	(KM_COPY((caddr_t)a, (caddr_t)b, sizeof(struct spans_addr)))
+
+
+/*
+ * Timer macros
+ */
+#define	SPANS_TIMER(s, t)	atm_timeout(&(s)->sp_time, (t), spans_timer)
+#define	SPANS_CANCEL(s)	atm_untimeout(&(s)->sp_time)
+#define	SPANS_VC_TIMER(v, t)	atm_timeout(&(v)->vc_time, (t), spans_vctimer)
+#define	SPANS_VC_CANCEL(v)	atm_untimeout(&(v)->vc_time)
+
+
+/*
+ * Global function declarations
+ */
+struct ipvcc;
+
+	/* spans_arp.c */
+int		spansarp_svcout __P((struct ipvcc *, struct in_addr *));
+int		spansarp_svcin __P((struct ipvcc *, Atm_addr *, Atm_addr *));
+int		spansarp_svcactive __P((struct ipvcc *));
+void		spansarp_vcclose __P((struct ipvcc *));
+void		spansarp_ipact __P((struct spanscls *));
+void		spansarp_ipdact __P((struct spanscls *));
+void		spansarp_stop __P((void));
+void		spansarp_input __P((struct spanscls *, KBuffer *));
+int		spansarp_ioctl __P((int, caddr_t, caddr_t));
+
+	/* spans_cls.c */
+int		spanscls_start __P((void));
+void		spanscls_stop __P((void));
+int		spanscls_attach __P((struct spans *));
+void		spanscls_detach __P((struct spans *));
+void		spanscls_closevc __P((struct spanscls *,
+				struct t_atm_cause *));
+
+	/* spans_if.c */
+int		spans_abort __P((struct vccb *));
+int		spans_free __P((struct vccb *));
+
+	/* spans_msg.c */
+int		spans_send_msg __P((struct spans *, spans_msg *));
+int		spans_send_open_req __P((struct spans *,
+				struct spans_vccb *));
+int		spans_send_open_rsp __P((struct spans *,
+				struct spans_vccb *,
+				spans_result));
+int		spans_send_close_req __P((struct spans *,
+				struct spans_vccb *));
+void		spans_rcv_msg __P((struct spans *, KBuffer *));
+
+	/* spans_print.c */
+void		spans_print_msg __P((spans_msg *));
+
+	/* spans_proto.c */
+void		spans_timer __P((struct atm_time *));
+void		spans_vctimer __P((struct atm_time *));
+void		spans_upper __P((int, void *, int, int));
+void		spans_notify __P((void *, int, int));
+
+	/* spans_subr.c */
+int		spans_open_vcc __P((struct spans *, Atm_connvc *));
+int		spans_close_vcc __P((struct spans *,
+				struct spans_vccb *, int));
+int		spans_clear_vcc __P((struct spans *,
+				struct spans_vccb *));
+void		spans_switch_reset __P((struct spans *, int));
+
+	/* spans_util.c */
+int		spans_get_spans_sap __P((Sap_t, spans_sap *));
+int		spans_get_local_sap __P((spans_sap, Sap_t *));
+int		spans_ephemeral_sap __P((struct spans *));
+int		spans_get_spans_aal __P((Aal_t, spans_aal *));
+int		spans_get_local_aal __P((spans_aal, Aal_t *));
+int		spans_verify_vccb __P((struct spans *,
+				struct spans_vccb *));
+struct spans_vccb *
+		spans_find_vpvc __P((struct spans *, int, int, u_char));
+struct spans_vccb *
+		spans_find_conn __P((struct spans *,
+				struct spans_atm_conn *));
+spans_vpvc	spans_alloc_vpvc __P((struct spans *));
+char *		spans_addr_print __P((struct spans_addr *));
+void		spans_dump_buffer __P((KBuffer *));
+
+
+/*
+ * External variables
+ */
+extern struct spans_addr	spans_bcastaddr;
+extern struct sp_info		spans_vcpool;
+extern struct sp_info		spans_msgpool;
+extern struct t_atm_cause	spans_cause;
+
+#endif	/* ATM_KERNEL */
+
+#endif	/* _SPANS_SPANS_VAR_H */