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/*
*
* ===================================
* 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 3.0/3.1 Signalling Manager
* ----------------------------------------
*
* Protocol control blocks
*
*/
#ifndef _UNISIG_VAR_H
#define _UNISIG_VAR_H
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
#ifdef _KERNEL
#include <vm/uma.h>
/*
* Structure containing state information for each UNI protocol
* instance. There will be one instance for each ATM device interface
* using the UNI signalling manager.
*/
struct unisig {
struct siginst us_inst; /* Header */
struct atm_time us_time; /* Timer controls */
void (*us_lower) /* Lower command handler */
(int, void *, intptr_t, intptr_t);
Atm_connection *us_conn; /* Signalling connection */
int us_cref; /* Call reference allocation */
u_int us_retry; /* Protocol retry count */
u_short us_headout; /* Headroom on sig ch output */
u_char us_proto; /* Signalling version */
};
#define us_next us_inst.si_next
#define us_pif us_inst.si_pif
#define us_addr us_inst.si_addr
#define us_subaddr us_inst.si_subaddr
#define us_vccq us_inst.si_vccq
#define us_state us_inst.si_state
#define us_ipserv us_inst.si_ipserv
#endif /* _KERNEL */
/*
* Signalling manager states
*/
#define UNISIG_NULL 0
#define UNISIG_ADDR_WAIT 1
#define UNISIG_INIT 2
#define UNISIG_ACTIVE 3
#define UNISIG_DETACH 4
/*
* Signalling manager events
*/
#define UNISIG_SIGMGR_TIMEOUT 0
#define UNISIG_SIGMGR_SSCF_EST_IND 1
#define UNISIG_SIGMGR_SSCF_EST_CNF 2
#define UNISIG_SIGMGR_SSCF_RLS_IND 3
#define UNISIG_SIGMGR_SSCF_RLS_CNF 4
#define UNISIG_SIGMGR_SSCF_DATA_IND 5
#define UNISIG_SIGMGR_SSCF_UDATA_IND 6
#define UNISIG_SIGMGR_CALL_CLEARED 7
#define UNISIG_SIGMGR_DETACH 8
#define UNISIG_SIGMGR_ADDR_SET 9
/*
* Signalling manager timer values
*/
#define UNISIG_SSCF_TIMEOUT (3 * ATM_HZ)
#ifdef _KERNEL
/*
* UNI Virtual Channel Connection control block. All information
* regarding the state of a UNI-controlled VCC will be recorded here.
* There will be one UNI VCC control block for each UNI-controlled
* VCC.
*/
struct unisig_vccb {
struct vccb vcp_hdr; /* Generic VCCB */
u_short uv_retry; /* Xmit retry count */
u_int uv_call_ref; /* Q.2931 call reference */
};
#define uv_type vcp_hdr.vc_type
#define uv_proto vcp_hdr.vc_proto
#define uv_sstate vcp_hdr.vc_sstate
#define uv_ustate vcp_hdr.vc_ustate
#define uv_pif vcp_hdr.vc_pif
#define uv_nif vcp_hdr.vc_nif
#define uv_sigelem vcp_hdr.vc_sigelem
#define uv_time vcp_hdr.vc_time
#define uv_vpi vcp_hdr.vc_vpi
#define uv_vci vcp_hdr.vc_vci
#define uv_connvc vcp_hdr.vc_connvc
#define uv_ipdus vcp_hdr.vc_ipdus
#define uv_opdus vcp_hdr.vc_opdus
#define uv_ibytes vcp_hdr.vc_ibytes
#define uv_obytes vcp_hdr.vc_obytes
#define uv_ierrors vcp_hdr.vc_ierrors
#define uv_oerrors vcp_hdr.vc_oerrors
#define uv_tstamp vcp_hdr.vc_tstamp
#endif /* _KERNEL */
/*
* UNI VCC protocol states. Taken from The ATM Forum UNI 3.0 (section
* 5.2.1.1)
*/
#define UNI_NULL 0 /* No call exists */
#define UNI_CALL_INITIATED 1 /* Initiating call */
#define UNI_CALL_OUT_PROC 3 /* Outgoing call proceeding */
#define UNI_CALL_DELIVERED 4 /* Not supported */
#define UNI_CALL_PRESENT 6 /* Call coming in */
#define UNI_CALL_RECEIVED 7 /* Not supported */
#define UNI_CONNECT_REQUEST 8 /* Call coming in */
#define UNI_CALL_IN_PROC 9 /* Incoming call proceeding */
#define UNI_ACTIVE 10 /* Call is established */
#define UNI_RELEASE_REQUEST 11 /* Clearing call */
#define UNI_RELEASE_IND 12 /* Network disconnecting */
/*
* Additional states required for internal management of VCCs
*/
#define UNI_SSCF_RECOV 13 /* Signalling chan recovery */
#define UNI_FREE 14 /* Waiting for user to free */
#define UNI_PVC_ACTIVE 15 /* PVC Active */
#define UNI_PVC_ACT_DOWN 16 /* PVC Active - i/f down */
/*
* UNI VCC events
*/
#define UNI_VC_TIMEOUT 0 /* Timer expired */
#define UNI_VC_CALLP_MSG 1 /* CALL PROCEEDING message */
#define UNI_VC_CONNECT_MSG 2 /* CONNECT message */
#define UNI_VC_CNCTACK_MSG 3 /* CONNECT ACK message */
#define UNI_VC_SETUP_MSG 4 /* SETUP message */
#define UNI_VC_RELEASE_MSG 5 /* RELEASE message */
#define UNI_VC_RLSCMP_MSG 6 /* RELEASE COMPLETE message */
#define UNI_VC_STATUS_MSG 7 /* STATUS message */
#define UNI_VC_STATUSENQ_MSG 8 /* STATUS ENQ message */
#define UNI_VC_ADDP_MSG 9 /* ADD PARTY message */
#define UNI_VC_ADDPACK_MSG 10 /* ADD PARTY ACK message */
#define UNI_VC_ADDPREJ_MSG 11 /* ADD PARTY REJ message */
#define UNI_VC_DROP_MSG 12 /* DROP PARTY message */
#define UNI_VC_DROPACK_MSG 13 /* DROP PARTY ACK message */
#define UNI_VC_SETUP_CALL 14 /* Setup routine called */
#define UNI_VC_ACCEPT_CALL 15 /* Accept call routine called */
#define UNI_VC_REJECT_CALL 16 /* Reject call routine called */
#define UNI_VC_RELEASE_CALL 17 /* Release routine called */
#define UNI_VC_ABORT_CALL 18 /* Abort routine called */
#define UNI_VC_SAAL_FAIL 19 /* Signalling AAL failed */
#define UNI_VC_SAAL_ESTAB 20 /* Signalling AAL back up */
#ifdef _KERNEL
/*
* UNI Timer Values. These values (except for T317) are taken from
* The ATM Forum UNI 3.0 (section 5.7.2).
*/
#define UNI_T303 (4 * ATM_HZ)
#define UNI_T308 (30 * ATM_HZ)
#define UNI_T309 (10 * ATM_HZ)
#define UNI_T310 (10 * ATM_HZ)
#define UNI_T313 (4 * ATM_HZ)
#define UNI_T316 (120 * ATM_HZ)
#define UNI_T317 (60 * ATM_HZ)
#define UNI_T322 (4 * ATM_HZ)
#define UNI_T398 (4 * ATM_HZ)
#define UNI_T399 (14 * ATM_HZ)
/*
* Timer macros
*/
#define UNISIG_TIMER(s, t) atm_timeout(&(s)->us_time, (t), unisig_timer)
#define UNISIG_CANCEL(s) atm_untimeout(&(s)->us_time)
#define UNISIG_VC_TIMER(v, t) atm_timeout(&(v)->vc_time, (t), unisig_vctimer)
#define UNISIG_VC_CANCEL(v) atm_untimeout(&(v)->vc_time)
/*
* Global function declarations
*/
struct usfmt;
struct unisig_msg;
/* unisig_decode.c */
int usf_dec_msg(struct usfmt *, struct unisig_msg *);
/* unisig_encode.c */
int usf_enc_msg(struct usfmt *, struct unisig_msg *);
/* unisig_if.c */
int unisig_start(void);
int unisig_stop(void);
int unisig_free(struct vccb *);
/* unisig_mbuf.c */
int usf_init(struct usfmt *, struct unisig *, KBuffer *, int, int);
int usf_byte(struct usfmt *, u_char *);
int usf_short(struct usfmt *, u_short *);
int usf_int3(struct usfmt *, u_int *);
int usf_int(struct usfmt *, u_int *);
int usf_ext(struct usfmt *, u_int *);
int usf_count(struct usfmt *);
int usf_byte_mark(struct usfmt *, u_char *, u_char **);
/* unisig_msg.c */
struct ie_generic;
void unisig_cause_from_attr(struct ie_generic *,
Atm_attributes *);
void unisig_cause_from_msg(struct ie_generic *,
struct unisig_msg *, int);
int unisig_send_msg(struct unisig *,
struct unisig_msg *);
int unisig_send_setup(struct unisig *,
struct unisig_vccb *);
int unisig_send_release(struct unisig *,
struct unisig_vccb *,
struct unisig_msg *,
int);
int unisig_send_release_complete(struct unisig *,
struct unisig_vccb *,
struct unisig_msg *,
int);
int unisig_send_status(struct unisig *,
struct unisig_vccb *,
struct unisig_msg *,
int);
int unisig_rcv_msg(struct unisig *, KBuffer *);
/* unisig_print.c */
void usp_print_msg(struct unisig_msg *, int);
/* unisig_proto.c */
void unisig_timer(struct atm_time *);
void unisig_vctimer(struct atm_time *);
void unisig_saal_ctl(int, void *, void *);
void unisig_saal_data(void *, KBuffer *);
caddr_t unisig_getname(void *);
void unisig_connected(void *);
void unisig_cleared(void *, struct t_atm_cause *);
/* unisig_sigmgr_state.c */
int unisig_sigmgr_state(struct unisig *, int,
KBuffer *);
/* unisig_subr.c */
void unisig_cause_attr_from_user(Atm_attributes *, int);
void unisig_cause_attr_from_ie(Atm_attributes *,
struct ie_generic *);
int unisig_open_vcc(struct unisig *, Atm_connvc *);
int unisig_close_vcc(struct unisig *,
struct unisig_vccb *);
int unisig_clear_vcc(struct unisig *,
struct unisig_vccb *, int);
void unisig_switch_reset(struct unisig *, int);
void unisig_save_attrs(struct unisig *, struct unisig_msg *,
Atm_attributes *);
int unisig_set_attrs(struct unisig *, struct unisig_msg *,
Atm_attributes *);
/* unisig_util.c */
void unisig_free_msg(struct unisig_msg *);
int unisig_verify_vccb(struct unisig *,
struct unisig_vccb *);
struct unisig_vccb *
unisig_find_conn(struct unisig *, u_int);
struct unisig_vccb *
unisig_find_vpvc(struct unisig *, int, int,
u_char);
int unisig_alloc_call_ref(struct unisig *);
char * unisig_addr_print(Atm_addr *);
void unisig_print_mbuf(KBuffer *);
void unisig_print_buffer(KBuffer *);
/* unisig_vc_state.c */
int unisig_vc_state(struct unisig *,
struct unisig_vccb *,
int,
struct unisig_msg *);
/*
* External variables
*/
extern uma_zone_t unisig_vc_zone;
extern uma_zone_t unisig_msg_zone;
extern uma_zone_t unisig_ie_zone;
#ifdef SYSCTL_DECL
SYSCTL_DECL(_net_harp_uni);
#endif
#endif /* _KERNEL */
#endif /* _UNISIG_VAR_H */
|
