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diff --git a/sys/netatm/ipatm/ipatm_serv.h b/sys/netatm/ipatm/ipatm_serv.h
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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.
+ *
+ * @(#) $Id: ipatm_serv.h,v 1.6 1998/02/19 20:14:21 mks Exp $
+ *
+ */
+
+/*
+ * IP Over ATM Support
+ * -------------------
+ *
+ * IP/ATM service interface definitions
+ *
+ */
+
+#ifndef _IPATM_IPATM_SERV_H
+#define _IPATM_IPATM_SERV_H
+
+
+/*
+ * Structures specifying VCC parameters and pointers to all of the IP
+ * services offered by an external IP interface service provider.
+ */
+struct ip_vccparm {
+ Aal_t ivc_aal; /* AAL type */
+ Encaps_t ivc_encaps; /* VCC encapsulation */
+};
+
+#define IPATM_VCCPARMS 4 /* Number of parameter lists */
+
+struct ip_serv {
+/* Interfaces to IP/ATM interface services */
+ int (*is_ifact) /* Interface activation */
+ __P((struct ip_nif *));
+ int (*is_ifdact) /* Interface deactivation */
+ __P((struct ip_nif *));
+ int (*is_ioctl) /* Interface ioctl */
+ __P((int, caddr_t, caddr_t));
+
+/* Interfaces to IP/ATM ARP services */
+ int (*is_arp_pvcopen) /* IP creating dynamic PVC */
+ __P((struct ipvcc *));
+ int (*is_arp_svcout) /* IP creating outgoing SVC */
+ __P((struct ipvcc *, struct in_addr *));
+ int (*is_arp_svcin) /* IP creating incoming SVC */
+ __P((struct ipvcc *, Atm_addr *, Atm_addr *));
+ int (*is_arp_svcact) /* IP SVC is active */
+ __P((struct ipvcc *));
+ void (*is_arp_close) /* IP closing VCC */
+ __P((struct ipvcc *));
+
+/* Interfaces to IP/ATM broadcast services */
+ int (*is_bcast_output) /* IP broadcast packet output */
+ __P((struct ip_nif *, KBuffer *));
+
+/* Interfaces to IP/ATM multicast services */
+
+/* Ordered list of parameters to try for IP/ATM VCC connections */
+ struct ip_vccparm is_vccparm[IPATM_VCCPARMS]; /* List of vcc params */
+};
+
+
+/*
+ * ARP Interface
+ * ----------------
+ */
+
+/*
+ * Common header for IP/ATM ARP mappings. For each IP VCC created, the
+ * appropriate IP/ATM ARP server must assign one of these structures to
+ * indicate the address mapping. This is the only IP-visible ARP structure.
+ * The servers may embed this structure at the beginning of their
+ * module-specific mappings.
+ */
+struct arpmap {
+ struct in_addr am_dstip; /* Destination IP address */
+ Atm_addr am_dstatm; /* Destination ATM address */
+ Atm_addr am_dstatmsub; /* Destination ATM subaddress */
+};
+
+
+/*
+ * is_arp_[ps]open() return codes and ipatm_arpnotify() event types
+ */
+#define MAP_PROCEEDING 1 /* Lookup is proceeding (open only) */
+#define MAP_VALID 2 /* Mapping is valid */
+#define MAP_INVALID 3 /* Mapping is invalid */
+#define MAP_CHANGED 4 /* Mapping has changed */
+#define MAP_FAILED 5 /* Mapping request has failed */
+
+
+#endif /* _IPATM_IPATM_SERV_H */