3 * ===================================
4 * HARP | Host ATM Research Platform
5 * ===================================
8 * This Host ATM Research Platform ("HARP") file (the "Software") is
9 * made available by Network Computing Services, Inc. ("NetworkCS")
10 * "AS IS". NetworkCS does not provide maintenance, improvements or
11 * support of any kind.
13 * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
14 * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
15 * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
16 * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
17 * In no event shall NetworkCS be responsible for any damages, including
18 * but not limited to consequential damages, arising from or relating to
19 * any use of the Software or related support.
21 * Copyright 1994-1998 Network Computing Services, Inc.
23 * Copies of this Software may be made, however, the above copyright
24 * notice must be reproduced on all copies.
31 * ATM Forum UNI 3.0/3.1 Signalling Manager
32 * ----------------------------------------
34 * Protocol control blocks
51 * Structure containing state information for each UNI protocol
52 * instance. There will be one instance for each ATM device interface
53 * using the UNI signalling manager.
56 struct siginst us_inst; /* Header */
57 struct atm_time us_time; /* Timer controls */
58 void (*us_lower) /* Lower command handler */
59 (int, void *, intptr_t, intptr_t);
60 Atm_connection *us_conn; /* Signalling connection */
61 int us_cref; /* Call reference allocation */
62 u_int us_retry; /* Protocol retry count */
63 u_short us_headout; /* Headroom on sig ch output */
64 u_char us_proto; /* Signalling version */
67 #define us_next us_inst.si_next
68 #define us_pif us_inst.si_pif
69 #define us_addr us_inst.si_addr
70 #define us_subaddr us_inst.si_subaddr
71 #define us_vccq us_inst.si_vccq
72 #define us_state us_inst.si_state
73 #define us_ipserv us_inst.si_ipserv
77 * Signalling manager states
80 #define UNISIG_ADDR_WAIT 1
82 #define UNISIG_ACTIVE 3
83 #define UNISIG_DETACH 4
86 * Signalling manager events
88 #define UNISIG_SIGMGR_TIMEOUT 0
89 #define UNISIG_SIGMGR_SSCF_EST_IND 1
90 #define UNISIG_SIGMGR_SSCF_EST_CNF 2
91 #define UNISIG_SIGMGR_SSCF_RLS_IND 3
92 #define UNISIG_SIGMGR_SSCF_RLS_CNF 4
93 #define UNISIG_SIGMGR_SSCF_DATA_IND 5
94 #define UNISIG_SIGMGR_SSCF_UDATA_IND 6
95 #define UNISIG_SIGMGR_CALL_CLEARED 7
96 #define UNISIG_SIGMGR_DETACH 8
97 #define UNISIG_SIGMGR_ADDR_SET 9
100 * Signalling manager timer values
102 #define UNISIG_SSCF_TIMEOUT (3 * ATM_HZ)
107 * UNI Virtual Channel Connection control block. All information
108 * regarding the state of a UNI-controlled VCC will be recorded here.
109 * There will be one UNI VCC control block for each UNI-controlled
113 struct vccb vcp_hdr; /* Generic VCCB */
114 u_short uv_retry; /* Xmit retry count */
115 u_int uv_call_ref; /* Q.2931 call reference */
118 #define uv_type vcp_hdr.vc_type
119 #define uv_proto vcp_hdr.vc_proto
120 #define uv_sstate vcp_hdr.vc_sstate
121 #define uv_ustate vcp_hdr.vc_ustate
122 #define uv_pif vcp_hdr.vc_pif
123 #define uv_nif vcp_hdr.vc_nif
124 #define uv_sigelem vcp_hdr.vc_sigelem
125 #define uv_time vcp_hdr.vc_time
126 #define uv_vpi vcp_hdr.vc_vpi
127 #define uv_vci vcp_hdr.vc_vci
128 #define uv_connvc vcp_hdr.vc_connvc
129 #define uv_ipdus vcp_hdr.vc_ipdus
130 #define uv_opdus vcp_hdr.vc_opdus
131 #define uv_ibytes vcp_hdr.vc_ibytes
132 #define uv_obytes vcp_hdr.vc_obytes
133 #define uv_ierrors vcp_hdr.vc_ierrors
134 #define uv_oerrors vcp_hdr.vc_oerrors
135 #define uv_tstamp vcp_hdr.vc_tstamp
139 * UNI VCC protocol states. Taken from The ATM Forum UNI 3.0 (section
142 #define UNI_NULL 0 /* No call exists */
143 #define UNI_CALL_INITIATED 1 /* Initiating call */
144 #define UNI_CALL_OUT_PROC 3 /* Outgoing call proceeding */
145 #define UNI_CALL_DELIVERED 4 /* Not supported */
146 #define UNI_CALL_PRESENT 6 /* Call coming in */
147 #define UNI_CALL_RECEIVED 7 /* Not supported */
148 #define UNI_CONNECT_REQUEST 8 /* Call coming in */
149 #define UNI_CALL_IN_PROC 9 /* Incoming call proceeding */
150 #define UNI_ACTIVE 10 /* Call is established */
151 #define UNI_RELEASE_REQUEST 11 /* Clearing call */
152 #define UNI_RELEASE_IND 12 /* Network disconnecting */
155 * Additional states required for internal management of VCCs
157 #define UNI_SSCF_RECOV 13 /* Signalling chan recovery */
158 #define UNI_FREE 14 /* Waiting for user to free */
159 #define UNI_PVC_ACTIVE 15 /* PVC Active */
160 #define UNI_PVC_ACT_DOWN 16 /* PVC Active - i/f down */
165 #define UNI_VC_TIMEOUT 0 /* Timer expired */
166 #define UNI_VC_CALLP_MSG 1 /* CALL PROCEEDING message */
167 #define UNI_VC_CONNECT_MSG 2 /* CONNECT message */
168 #define UNI_VC_CNCTACK_MSG 3 /* CONNECT ACK message */
169 #define UNI_VC_SETUP_MSG 4 /* SETUP message */
170 #define UNI_VC_RELEASE_MSG 5 /* RELEASE message */
171 #define UNI_VC_RLSCMP_MSG 6 /* RELEASE COMPLETE message */
172 #define UNI_VC_STATUS_MSG 7 /* STATUS message */
173 #define UNI_VC_STATUSENQ_MSG 8 /* STATUS ENQ message */
174 #define UNI_VC_ADDP_MSG 9 /* ADD PARTY message */
175 #define UNI_VC_ADDPACK_MSG 10 /* ADD PARTY ACK message */
176 #define UNI_VC_ADDPREJ_MSG 11 /* ADD PARTY REJ message */
177 #define UNI_VC_DROP_MSG 12 /* DROP PARTY message */
178 #define UNI_VC_DROPACK_MSG 13 /* DROP PARTY ACK message */
179 #define UNI_VC_SETUP_CALL 14 /* Setup routine called */
180 #define UNI_VC_ACCEPT_CALL 15 /* Accept call routine called */
181 #define UNI_VC_REJECT_CALL 16 /* Reject call routine called */
182 #define UNI_VC_RELEASE_CALL 17 /* Release routine called */
183 #define UNI_VC_ABORT_CALL 18 /* Abort routine called */
184 #define UNI_VC_SAAL_FAIL 19 /* Signalling AAL failed */
185 #define UNI_VC_SAAL_ESTAB 20 /* Signalling AAL back up */
190 * UNI Timer Values. These values (except for T317) are taken from
191 * The ATM Forum UNI 3.0 (section 5.7.2).
193 #define UNI_T303 (4 * ATM_HZ)
194 #define UNI_T308 (30 * ATM_HZ)
195 #define UNI_T309 (10 * ATM_HZ)
196 #define UNI_T310 (10 * ATM_HZ)
197 #define UNI_T313 (4 * ATM_HZ)
198 #define UNI_T316 (120 * ATM_HZ)
199 #define UNI_T317 (60 * ATM_HZ)
200 #define UNI_T322 (4 * ATM_HZ)
201 #define UNI_T398 (4 * ATM_HZ)
202 #define UNI_T399 (14 * ATM_HZ)
208 #define UNISIG_TIMER(s, t) atm_timeout(&(s)->us_time, (t), unisig_timer)
209 #define UNISIG_CANCEL(s) atm_untimeout(&(s)->us_time)
210 #define UNISIG_VC_TIMER(v, t) atm_timeout(&(v)->vc_time, (t), unisig_vctimer)
211 #define UNISIG_VC_CANCEL(v) atm_untimeout(&(v)->vc_time)
215 * Global function declarations
220 /* unisig_decode.c */
221 int usf_dec_msg(struct usfmt *, struct unisig_msg *);
223 /* unisig_encode.c */
224 int usf_enc_msg(struct usfmt *, struct unisig_msg *);
227 int unisig_start(void);
228 int unisig_stop(void);
229 int unisig_free(struct vccb *);
232 int usf_init(struct usfmt *, struct unisig *, KBuffer *, int, int);
233 int usf_byte(struct usfmt *, u_char *);
234 int usf_short(struct usfmt *, u_short *);
235 int usf_int3(struct usfmt *, u_int *);
236 int usf_int(struct usfmt *, u_int *);
237 int usf_ext(struct usfmt *, u_int *);
238 int usf_count(struct usfmt *);
239 int usf_byte_mark(struct usfmt *, u_char *, u_char **);
243 void unisig_cause_from_attr(struct ie_generic *,
245 void unisig_cause_from_msg(struct ie_generic *,
246 struct unisig_msg *, int);
247 int unisig_send_msg(struct unisig *,
248 struct unisig_msg *);
249 int unisig_send_setup(struct unisig *,
250 struct unisig_vccb *);
251 int unisig_send_release(struct unisig *,
252 struct unisig_vccb *,
255 int unisig_send_release_complete(struct unisig *,
256 struct unisig_vccb *,
259 int unisig_send_status(struct unisig *,
260 struct unisig_vccb *,
263 int unisig_rcv_msg(struct unisig *, KBuffer *);
266 void usp_print_msg(struct unisig_msg *, int);
269 void unisig_timer(struct atm_time *);
270 void unisig_vctimer(struct atm_time *);
271 void unisig_saal_ctl(int, void *, void *);
272 void unisig_saal_data(void *, KBuffer *);
273 caddr_t unisig_getname(void *);
274 void unisig_connected(void *);
275 void unisig_cleared(void *, struct t_atm_cause *);
277 /* unisig_sigmgr_state.c */
278 int unisig_sigmgr_state(struct unisig *, int,
282 void unisig_cause_attr_from_user(Atm_attributes *, int);
283 void unisig_cause_attr_from_ie(Atm_attributes *,
284 struct ie_generic *);
285 int unisig_open_vcc(struct unisig *, Atm_connvc *);
286 int unisig_close_vcc(struct unisig *,
287 struct unisig_vccb *);
288 int unisig_clear_vcc(struct unisig *,
289 struct unisig_vccb *, int);
290 void unisig_switch_reset(struct unisig *, int);
291 void unisig_save_attrs(struct unisig *, struct unisig_msg *,
293 int unisig_set_attrs(struct unisig *, struct unisig_msg *,
297 void unisig_free_msg(struct unisig_msg *);
298 int unisig_verify_vccb(struct unisig *,
299 struct unisig_vccb *);
301 unisig_find_conn(struct unisig *, u_int);
303 unisig_find_vpvc(struct unisig *, int, int,
305 int unisig_alloc_call_ref(struct unisig *);
306 char * unisig_addr_print(Atm_addr *);
307 void unisig_print_mbuf(KBuffer *);
308 void unisig_print_buffer(KBuffer *);
310 /* unisig_vc_state.c */
311 int unisig_vc_state(struct unisig *,
312 struct unisig_vccb *,
314 struct unisig_msg *);
320 extern uma_zone_t unisig_vc_zone;
321 extern uma_zone_t unisig_msg_zone;
322 extern uma_zone_t unisig_ie_zone;
325 SYSCTL_DECL(_net_harp_uni);
329 #endif /* _UNISIG_VAR_H */