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.
26 * @(#) $FreeBSD: src/sys/netatm/uni/uniip_var.h,v 1.2 1999/08/28 00:49:04 peter Exp $
31 * ATM Forum UNI Support
32 * ---------------------
34 * IP interface control blocks
38 #ifndef _UNI_UNIIP_VAR_H
39 #define _UNI_UNIIP_VAR_H
43 * UNI IP network interface structure. There will be one such structure for
44 * each IP network interface attached via a UNI signalling instance.
47 struct uniip *uip_next; /* Next attached IP interface */
48 struct ip_nif *uip_ipnif; /* IP network interface */
49 u_char uip_flags; /* Interface flags (see below) */
51 /* ATMARP (RFC1577) */
52 u_char uip_arpstate; /* ARP interface state (see below) */
53 struct arpmap uip_arpsvrmap; /* ATMARP server map info */
54 struct ipvcc *uip_arpsvrvcc; /* ATMARP server's VCC */
55 int uip_nprefix; /* Count of IP prefixes (server only) */
56 struct uniarp_prf *uip_prefix; /* Array of IP prefixes (server only) */
57 struct atm_time uip_arptime; /* ARP timer controls */
59 #define uip_arpsvrip uip_arpsvrmap.am_dstip
60 #define uip_arpsvratm uip_arpsvrmap.am_dstatm
61 #define uip_arpsvrsub uip_arpsvrmap.am_dstatmsub
62 #endif /* ATM_KERNEL */
67 #define UIF_IFADDR 0x01 /* Interface address is set */
70 * UNI ARP Interface States
72 #define UIAS_NOTCONF 1 /* Not configured */
73 #define UIAS_SERVER_ACTIVE 2 /* Server - active */
74 #define UIAS_CLIENT_PADDR 3 /* Client - pending ATM address */
75 #define UIAS_CLIENT_POPEN 4 /* Client - pending server vcc open */
76 #define UIAS_CLIENT_REGISTER 5 /* Client - registering with server */
77 #define UIAS_CLIENT_ACTIVE 6 /* Client - active */
82 * Structure for allowable IP prefixes for ATMARP server registration
85 struct in_addr upf_addr; /* Prefix address */
86 struct in_addr upf_mask; /* Prefix mask */
91 * UNI ARP protocol constants
93 #define UNIARP_AGING (60 * ATM_HZ) /* Aging timer tick */
94 #define UNIARP_HASHSIZ 19 /* Hash table size */
95 #define UNIARP_REGIS_REFRESH (15 * 60 * ATM_HZ)
96 /* Client registration refresh timer */
97 #define UNIARP_REGIS_RETRY (60 * ATM_HZ)
98 /* Client registration retry timer */
99 #define UNIARP_ARP_RETRY (3 * ATM_HZ) /* ARP command retry timer */
100 #define UNIARP_CLIENT_AGE 12 /* Client validation timeout */
101 #define UNIARP_CLIENT_RETRY 3 /* Client validation retrys */
102 #define UNIARP_SERVER_AGE 17 /* Server validation timeout */
103 #define UNIARP_SERVER_RETRY 3 /* Server validation retrys */
104 #define UNIARP_RETRY_AGE 1 /* Retry timeout */
105 #define UNIARP_REVALID_AGE 2 /* Revalidation timeout */
106 #define UNIARP_MIN_REFRESH 10 /* Minimum entry refresh time */
110 * Structure for ATMARP mappings. Each of these structures will contain
111 * IP address to ATM hardware address mappings. There will be one such
112 * structure for each IP address and for each unresolved ATM address
116 struct arpmap ua_arpmap; /* Common entry header */
117 struct uniip *ua_intf; /* Interface where we learned answer */
118 struct uniarp *ua_next; /* Hash chain link */
119 u_char ua_flags; /* Flags (see below) */
120 u_char ua_origin; /* Source of mapping (see below) */
121 u_char ua_retry; /* Retry counter */
122 u_char ua_aging; /* Aging timeout value (minutes) */
123 struct ipvcc *ua_ivp; /* Head of IP VCC chain */
124 struct atm_time ua_time; /* Timer controls */
126 #define ua_dstip ua_arpmap.am_dstip
127 #define ua_dstatm ua_arpmap.am_dstatm
128 #define ua_dstatmsub ua_arpmap.am_dstatmsub
129 #endif /* ATM_KERNEL */
134 #define UAF_VALID ARPF_VALID /* Entry is valid */
135 #define UAF_REFRESH ARPF_REFRESH /* Entry has been refreshed */
136 #define UAF_LOCKED 0x04 /* Entry is locked */
137 #define UAF_USED 0x08 /* Entry has been used recently */
140 * UNIARP Entry Origin
142 * The origin values are ranked according to the source precedence.
143 * Larger values are more preferred.
145 #define UAO_LOCAL 100 /* Local address */
146 #define UAO_PERM ARP_ORIG_PERM /* Permanently installed */
147 #define UAO_REGISTER 40 /* Learned via client registration */
148 #define UAO_SCSP 30 /* Learned via SCSP */
149 #define UAO_LOOKUP 20 /* Learned via server lookup */
150 #define UAO_PEER_RSP 15 /* Learned from peer - inarp rsp */
151 #define UAO_PEER_REQ 10 /* Learned from peer - inarp req */
154 * ATMARP/InATMARP Packet Format
157 u_short ah_hrd; /* Hardware type (see below) */
158 u_short ah_pro; /* Protocol type */
159 u_char ah_shtl; /* Type/len of source ATM address */
160 u_char ah_sstl; /* Type/len of source ATM subaddress */
161 u_short ah_op; /* Operation code (see below) */
162 u_char ah_spln; /* Length of source protocol address */
163 u_char ah_thtl; /* Type/len of target ATM address */
164 u_char ah_tstl; /* Type/len of target ATM subaddress */
165 u_char ah_tpln; /* Length of target protocol address */
167 /* Variable size fields */
168 u_char ah_sha[]; /* Source ATM address */
169 u_char ah_ssa[]; /* Source ATM subaddress */
170 u_char ah_spa[]; /* Source protocol address */
171 u_char ah_tha[]; /* Target ATM subaddress */
172 u_char ah_tsa[]; /* Target ATM address */
173 u_char ah_tpa[]; /* Target protocol subaddress */
180 #define ARP_ATMFORUM 19
185 #define ARP_REQUEST 1 /* ATMARP request */
186 #define ARP_REPLY 2 /* ATMARP response */
187 #define INARP_REQUEST 8 /* InATMARP request */
188 #define INARP_REPLY 9 /* InATMARP response */
189 #define ARP_NAK 10 /* ATMARP negative ack */
194 #define ARP_TL_TMASK 0x40 /* Type mask */
195 #define ARP_TL_NSAPA 0x00 /* Type = ATM Forum NSAPA */
196 #define ARP_TL_E164 0x40 /* Type = E.164 */
197 #define ARP_TL_LMASK 0x3f /* Length mask */
204 #define UNIIP_ARP_TIMER(s, t) atm_timeout(&(s)->uip_arptime, (t), uniarp_iftimeout)
205 #define UNIIP_ARP_CANCEL(s) atm_untimeout(&(s)->uip_arptime)
206 #define UNIARP_TIMER(s, t) atm_timeout(&(s)->ua_time, (t), uniarp_timeout)
207 #define UNIARP_CANCEL(s) atm_untimeout(&(s)->ua_time)
211 * Macros for manipulating UNIARP tables and entries
213 #define UNIARP_HASH(ip) ((u_long)(ip) % UNIARP_HASHSIZ)
215 #define UNIARP_ADD(ua) \
218 h = &uniarp_arptab[UNIARP_HASH((ua)->ua_dstip.s_addr)]; \
219 LINK2TAIL((ua), struct uniarp, *h, ua_next); \
222 #define UNIARP_DELETE(ua) \
225 h = &uniarp_arptab[UNIARP_HASH((ua)->ua_dstip.s_addr)]; \
226 UNLINK((ua), struct uniarp, *h, ua_next); \
229 #define UNIARP_LOOKUP(ip, ua) \
231 for ((ua) = uniarp_arptab[UNIARP_HASH(ip)]; \
232 (ua); (ua) = (ua)->ua_next) { \
233 if ((ua)->ua_dstip.s_addr == (ip)) \
240 * Global UNIARP Statistics
243 u_long uas_rcvdrop; /* Input packets dropped */
250 extern struct uniip *uniip_head;
251 extern struct ip_serv uniip_ipserv;
252 extern struct uniarp *uniarp_arptab[];
253 extern struct uniarp *uniarp_nomaptab;
254 extern struct uniarp *uniarp_pvctab;
255 extern struct sp_info uniarp_pool;
256 extern struct atm_time uniarp_timer;
257 extern int uniarp_print;
258 extern Atm_endpoint uniarp_endpt;
259 extern struct uniarp_stat uniarp_stat;
263 * Global function declarations
266 int uniarp_start __P((void));
267 void uniarp_stop __P((void));
268 void uniarp_ipact __P((struct uniip *));
269 void uniarp_ipdact __P((struct uniip *));
270 void uniarp_ifaddr __P((struct siginst *));
271 void uniarp_iftimeout __P((struct atm_time *));
272 int uniarp_ioctl __P((int, caddr_t, caddr_t));
273 caddr_t uniarp_getname __P((void *));
276 int uniarp_cache_svc __P((struct uniip *, struct in_addr *,
277 Atm_addr *, Atm_addr *, u_int));
278 void uniarp_cache_pvc __P((struct ipvcc *, struct in_addr *,
279 Atm_addr *, Atm_addr *));
280 int uniarp_validate_ip __P((struct uniip *, struct in_addr *,
284 void uniarp_cpcs_data __P((void *, KBuffer *));
285 void uniarp_pdu_print __P((struct ipvcc *, KBuffer *, char *));
287 /* uniarp_output.c */
288 int uniarp_arp_req __P((struct uniip *, struct in_addr *));
289 int uniarp_arp_rsp __P((struct uniip *, struct arpmap *,
290 struct in_addr *, Atm_addr *,
291 Atm_addr *, struct ipvcc *));
292 int uniarp_arp_nak __P((struct uniip *, KBuffer *, struct ipvcc *));
293 int uniarp_inarp_req __P((struct uniip *, Atm_addr *,
294 Atm_addr *, struct ipvcc *));
295 int uniarp_inarp_rsp __P((struct uniip *, struct in_addr *,
296 Atm_addr *, Atm_addr *, struct ipvcc *));
299 void uniarp_timeout __P((struct atm_time *));
300 void uniarp_aging __P((struct atm_time *));
303 int uniarp_pvcopen __P((struct ipvcc *));
304 int uniarp_svcout __P((struct ipvcc *, struct in_addr *));
305 int uniarp_svcin __P((struct ipvcc *, Atm_addr *, Atm_addr *));
306 int uniarp_svcactive __P((struct ipvcc *));
307 void uniarp_vcclose __P((struct ipvcc *));
308 void uniarp_connected __P((void *));
309 void uniarp_cleared __P((void *, struct t_atm_cause *));
312 int uniip_start __P((void));
313 int uniip_stop __P((void));
316 #endif /* ATM_KERNEL */
318 #endif /* _UNI_UNIIP_VAR_H */