lwip_snmp_mib2.c

00001 /**
00002  * @file
00003  * Management Information Base II (RFC1213) objects and functions.
00004  */
00005 
00006 /*
00007  * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
00008  * All rights reserved.
00009  *
00010  * Redistribution and use in source and binary forms, with or without modification,
00011  * are permitted provided that the following conditions are met:
00012  *
00013  * 1. Redistributions of source code must retain the above copyright notice,
00014  *    this list of conditions and the following disclaimer.
00015  * 2. Redistributions in binary form must reproduce the above copyright notice,
00016  *    this list of conditions and the following disclaimer in the documentation
00017  *    and/or other materials provided with the distribution.
00018  * 3. The name of the author may not be used to endorse or promote products
00019  *    derived from this software without specific prior written permission.
00020  *
00021  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
00022  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
00023  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
00024  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00025  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
00026  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00027  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00028  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
00029  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
00030  * OF SUCH DAMAGE.
00031  *
00032  * Author: Dirk Ziegelmeier <dziegel@gmx.de>
00033  *         Christiaan Simons <christiaan.simons@axon.tv>
00034  */
00035 
00036 /**
00037  * @defgroup snmp_mib2 MIB2
00038  * @ingroup snmp
00039  */
00040 
00041 #include "lwip/apps/snmp_opts.h"
00042 
00043 #if LWIP_SNMP && SNMP_LWIP_MIB2 /* don't build if not configured for use in lwipopts.h */
00044 
00045 #if !LWIP_STATS
00046 #error LWIP_SNMP MIB2 needs LWIP_STATS (for MIB2)
00047 #endif
00048 #if !MIB2_STATS
00049 #error LWIP_SNMP MIB2 needs MIB2_STATS (for MIB2)
00050 #endif
00051 
00052 #include "lwip/snmp.h"
00053 #include "lwip/apps/snmp.h"
00054 #include "lwip/apps/snmp_core.h"
00055 #include "lwip/apps/snmp_mib2.h"
00056 #include "lwip/apps/snmp_scalar.h"
00057 
00058 #if SNMP_USE_NETCONN
00059 #include "lwip/tcpip.h"
00060 #include "lwip/priv/tcpip_priv.h"
00061 void
00062 snmp_mib2_lwip_synchronizer(snmp_threadsync_called_fn fn, void* arg)
00063 {
00064 #if LWIP_TCPIP_CORE_LOCKING
00065   LOCK_TCPIP_CORE();
00066   fn(arg);
00067   UNLOCK_TCPIP_CORE();
00068 #else
00069   tcpip_callback(fn, arg);
00070 #endif
00071 }
00072 
00073 struct snmp_threadsync_instance snmp_mib2_lwip_locks;
00074 #endif
00075 
00076 /* dot3 and EtherLike MIB not planned. (transmission .1.3.6.1.2.1.10) */
00077 /* historical (some say hysterical). (cmot .1.3.6.1.2.1.9) */
00078 /* lwIP has no EGP, thus may not implement it. (egp .1.3.6.1.2.1.8) */
00079 
00080 /* --- mib-2 .1.3.6.1.2.1 ----------------------------------------------------- */
00081 extern const struct snmp_scalar_array_node snmp_mib2_snmp_root;
00082 extern const struct snmp_tree_node snmp_mib2_udp_root;
00083 extern const struct snmp_tree_node snmp_mib2_tcp_root;
00084 extern const struct snmp_scalar_array_node snmp_mib2_icmp_root;
00085 extern const struct snmp_tree_node snmp_mib2_interface_root;
00086 extern const struct snmp_scalar_array_node snmp_mib2_system_node;
00087 extern const struct snmp_tree_node snmp_mib2_at_root;
00088 extern const struct snmp_tree_node snmp_mib2_ip_root;
00089 
00090 static const struct snmp_node* const mib2_nodes[] = {
00091   &snmp_mib2_system_node.node.node,
00092   &snmp_mib2_interface_root.node,
00093 #if LWIP_ARP && LWIP_IPV4
00094   &snmp_mib2_at_root.node,
00095 #endif /* LWIP_ARP && LWIP_IPV4 */
00096 #if LWIP_IPV4
00097   &snmp_mib2_ip_root.node,
00098 #endif /* LWIP_IPV4 */
00099 #if LWIP_ICMP
00100   &snmp_mib2_icmp_root.node.node,
00101 #endif /* LWIP_ICMP */
00102 #if LWIP_TCP
00103   &snmp_mib2_tcp_root.node,
00104 #endif /* LWIP_TCP */
00105 #if LWIP_UDP
00106   &snmp_mib2_udp_root.node,
00107 #endif /* LWIP_UDP */
00108   &snmp_mib2_snmp_root.node.node
00109 };
00110 
00111 static const struct snmp_tree_node mib2_root = SNMP_CREATE_TREE_NODE(1, mib2_nodes);
00112 
00113 static const u32_t  mib2_base_oid_arr[] = { 1,3,6,1,2,1 };
00114 const struct snmp_mib mib2 = SNMP_MIB_CREATE(mib2_base_oid_arr, &mib2_root.node);
00115 
00116 #endif /* LWIP_SNMP && SNMP_LWIP_MIB2 */