258 lines
7.6 KiB
C
258 lines
7.6 KiB
C
/*
|
|
*
|
|
* ===================================
|
|
* 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.
|
|
*
|
|
* @(#) $FreeBSD$
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* SPANS Signalling Manager
|
|
* ---------------------------
|
|
*
|
|
* Protocol control blocks
|
|
*
|
|
*/
|
|
|
|
#ifndef _SPANS_SPANS_VAR_H
|
|
#define _SPANS_SPANS_VAR_H
|
|
|
|
#ifdef _KERNEL
|
|
|
|
#include <vm/uma.h> /* XXX arr: will remove rsn */
|
|
|
|
/*
|
|
* 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 */
|
|
(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 /* _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 _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 /* _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 _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) \
|
|
(bcopy((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(struct ipvcc *, struct in_addr *);
|
|
int spansarp_svcin(struct ipvcc *, Atm_addr *, Atm_addr *);
|
|
int spansarp_svcactive(struct ipvcc *);
|
|
void spansarp_vcclose(struct ipvcc *);
|
|
void spansarp_ipact(struct spanscls *);
|
|
void spansarp_ipdact(struct spanscls *);
|
|
void spansarp_start(void);
|
|
void spansarp_stop(void);
|
|
void spansarp_input(struct spanscls *, KBuffer *);
|
|
int spansarp_ioctl(int, caddr_t, caddr_t);
|
|
|
|
/* spans_cls.c */
|
|
int spanscls_start(void);
|
|
void spanscls_stop(void);
|
|
int spanscls_attach(struct spans *);
|
|
void spanscls_detach(struct spans *);
|
|
void spanscls_closevc(struct spanscls *, struct t_atm_cause *);
|
|
|
|
/* spans_if.c */
|
|
int spans_abort(struct vccb *);
|
|
int spans_free(struct vccb *);
|
|
|
|
/* spans_msg.c */
|
|
int spans_send_msg(struct spans *, spans_msg *);
|
|
int spans_send_open_req(struct spans *, struct spans_vccb *);
|
|
int spans_send_open_rsp(struct spans *,
|
|
struct spans_vccb *,
|
|
spans_result);
|
|
int spans_send_close_req(struct spans *,
|
|
struct spans_vccb *);
|
|
void spans_rcv_msg(struct spans *, KBuffer *);
|
|
|
|
/* spans_print.c */
|
|
void spans_print_msg(spans_msg *);
|
|
|
|
/* spans_proto.c */
|
|
void spans_timer(struct atm_time *);
|
|
void spans_vctimer(struct atm_time *);
|
|
void spans_upper(int, void *, int, int);
|
|
void spans_notify(void *, int, int);
|
|
|
|
/* spans_subr.c */
|
|
int spans_open_vcc(struct spans *, Atm_connvc *);
|
|
int spans_close_vcc(struct spans *, struct spans_vccb *, int);
|
|
int spans_clear_vcc(struct spans *, struct spans_vccb *);
|
|
void spans_switch_reset(struct spans *, int);
|
|
|
|
/* spans_util.c */
|
|
int spans_get_spans_sap(Sap_t, spans_sap *);
|
|
int spans_get_local_sap(spans_sap, Sap_t *);
|
|
int spans_ephemeral_sap(struct spans *);
|
|
int spans_get_spans_aal(Aal_t, spans_aal *);
|
|
int spans_get_local_aal(spans_aal, Aal_t *);
|
|
int spans_verify_vccb(struct spans *, struct spans_vccb *);
|
|
struct spans_vccb *
|
|
spans_find_vpvc(struct spans *, int, int, u_char);
|
|
struct spans_vccb *
|
|
spans_find_conn(struct spans *, struct spans_atm_conn *);
|
|
spans_vpvc spans_alloc_vpvc(struct spans *);
|
|
char * spans_addr_print(struct spans_addr *);
|
|
void spans_dump_buffer(KBuffer *);
|
|
|
|
|
|
/*
|
|
* External variables
|
|
*/
|
|
extern struct spans_addr spans_bcastaddr;
|
|
extern uma_zone_t spans_vc_zone;
|
|
extern uma_zone_t spans_msg_zone;
|
|
extern struct t_atm_cause spans_cause;
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _SPANS_SPANS_VAR_H */
|