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Diffstat (limited to 'contrib/bsnmp/snmp_mibII/snmp_mibII.h')
| -rw-r--r-- | contrib/bsnmp/snmp_mibII/snmp_mibII.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/contrib/bsnmp/snmp_mibII/snmp_mibII.h b/contrib/bsnmp/snmp_mibII/snmp_mibII.h new file mode 100644 index 000000000000..79423cbd4cc5 --- /dev/null +++ b/contrib/bsnmp/snmp_mibII/snmp_mibII.h @@ -0,0 +1,167 @@ +/* + * Copyright (c) 2001-2003 + * Fraunhofer Institute for Open Communication Systems (FhG Fokus). + * All rights reserved. + * + * Author: Harti Brandt <harti@freebsd.org> + * + * Redistribution of this software and documentation and use in source and + * binary forms, with or without modification, are permitted provided that + * the following conditions are met: + * + * 1. Redistributions of source code or documentation must retain the above + * copyright notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE AND DOCUMENTATION IS PROVIDED BY FRAUNHOFER FOKUS + * AND ITS CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL + * FRAUNHOFER FOKUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Begemot: bsnmp/snmp_mibII/snmp_mibII.h,v 1.13 2002/03/21 11:18:51 hbb Exp $ + * + * Implementation of the interfaces and IP groups of MIB-II. + */ +#ifndef snmp_mibII_h_ +#define snmp_mibII_h_ + +/* forward declaration */ +struct mibif; + +enum mibif_notify { + MIBIF_NOTIFY_DESTROY +}; + +typedef void (*mibif_notify_f)(struct mibif *, enum mibif_notify, void *); + +/* + * Interfaces. This structure describes one interface as seen in the MIB. + * Interfaces are indexed by ifindex. This is not the same as the index + * used by the system because of the rules in RFC-2863 section 3.1.5. This + * RFC requires, that an ifindex is not to be re-used for ANOTHER dynamically + * interfaces once the interface was deleted. The system's ifindex is in + * sysindex. Mapping is via the mapping table below. + */ +struct mibif { + TAILQ_ENTRY(mibif) link; + u_int flags; + u_int index; /* the logical ifindex */ + u_int sysindex; + char name[IFNAMSIZ]; + char descr[256]; + struct ifmibdata mib; + u_int32_t mibtick; + void *specmib; + size_t specmiblen; + u_char *physaddr; + u_int physaddrlen; + int has_connector; + int trap_enable; + u_int32_t counter_disc; + + /* + * This is needed to handle interface type specific information + * in sub-modules. It contains a function pointer which handles + * notifications and a data pointer to arbitrary data. + * Should be set via the mibif_notify function. + */ + mibif_notify_f xnotify; + void *xnotify_data; + const struct lmodule *xnotify_mod; +}; + +/* + * Interface IP-address table. + */ +struct mibifa { + TAILQ_ENTRY(mibifa) link; + struct in_addr inaddr; + struct in_addr inmask; + struct in_addr inbcast; + struct asn_oid index; /* index for table search */ + u_int ifindex; + u_int flags; +}; + +/* + * Interface receive addresses. Interface link-level multicast, broadcast + * and hardware addresses are handled automatically. + */ +struct mibrcvaddr { + TAILQ_ENTRY(mibrcvaddr) link; + struct asn_oid index; + u_int ifindex; + u_char addr[ASN_MAXOIDLEN]; + size_t addrlen; + u_int flags; +}; +enum { + MIBRCVADDR_VOLATILE = 0x00000001, + MIBRCVADDR_BCAST = 0x00000002, + MIBRCVADDR_HW = 0x00000004, +}; + +/* network socket */ +extern int mib_netsock; + +/* set an interface name to dynamic mode */ +void mib_if_set_dyn(const char *); + +/* re-read the systems interface list */ +void mib_refresh_iflist(void); + +/* find interface by index */ +struct mibif *mib_find_if(u_int); +struct mibif *mib_find_if_sys(u_int); +struct mibif *mib_find_if_name(const char *); + +/* iterate through all interfaces */ +struct mibif *mib_first_if(void); +struct mibif *mib_next_if(const struct mibif *); + +/* register for interface creations */ +int mib_register_newif(int (*)(struct mibif *), const struct lmodule *); +void mib_unregister_newif(const struct lmodule *); + +/* get fresh MIB data */ +int mib_fetch_ifmib(struct mibif *); + +/* change the ADMIN status of an interface and refresh the MIB */ +int mib_if_admin(struct mibif *, int up); + +/* find interface address by address */ +struct mibifa *mib_find_ifa(struct in_addr); + +/* find first/next address for a given interface */ +struct mibifa *mib_first_ififa(const struct mibif *); +struct mibifa *mib_next_ififa(struct mibifa *); + +/* create/delete stacking entries */ +int mib_ifstack_create(const struct mibif *lower, const struct mibif *upper); +void mib_ifstack_delete(const struct mibif *lower, const struct mibif *upper); + +/* find receive address */ +struct mibrcvaddr *mib_find_rcvaddr(u_int, const u_char *, size_t); + +/* create/delete receive addresses */ +struct mibrcvaddr *mib_rcvaddr_create(struct mibif *, const u_char *, size_t); +void mib_rcvaddr_delete(struct mibrcvaddr *); + +/* register for interface notification */ +void *mibif_notify(struct mibif *, const struct lmodule *, mibif_notify_f, + void *); +void mibif_unnotify(void *); + +#endif |