1 /**
2  * @file
3  * Management Information Base II (RFC1213) ICMP objects and functions.
4  */
5 
6 /*
7  * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
8  * All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without modification,
11  * are permitted provided that the following conditions are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright notice,
14  *    this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright notice,
16  *    this list of conditions and the following disclaimer in the documentation
17  *    and/or other materials provided with the distribution.
18  * 3. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
22  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
24  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
30  * OF SUCH DAMAGE.
31  *
32  * Author: Dirk Ziegelmeier <dziegel@gmx.de>
33  *         Christiaan Simons <christiaan.simons@axon.tv>
34  */
35 
36 #include "lwip/snmp.h"
37 #include "lwip/apps/snmp.h"
38 #include "lwip/apps/snmp_core.h"
39 #include "lwip/apps/snmp_mib2.h"
40 #include "lwip/apps/snmp_table.h"
41 #include "lwip/apps/snmp_scalar.h"
42 #include "lwip/icmp.h"
43 #include "lwip/stats.h"
44 
45 #if LWIP_SNMP && SNMP_LWIP_MIB2 && LWIP_ICMP
46 
47 #if SNMP_USE_NETCONN
48 #define SYNC_NODE_NAME(node_name) node_name ## _synced
49 #define CREATE_LWIP_SYNC_NODE(oid, node_name) \
50    static const struct snmp_threadsync_node node_name ## _synced = SNMP_CREATE_THREAD_SYNC_NODE(oid, &node_name.node, &snmp_mib2_lwip_locks);
51 #else
52 #define SYNC_NODE_NAME(node_name) node_name
53 #define CREATE_LWIP_SYNC_NODE(oid, node_name)
54 #endif
55 
56 /* --- icmp .1.3.6.1.2.1.5 ----------------------------------------------------- */
57 
58 static s16_t
icmp_get_value(const struct snmp_scalar_array_node_def * node,void * value)59 icmp_get_value(const struct snmp_scalar_array_node_def *node, void *value)
60 {
61   u32_t *uint_ptr = (u32_t *)value;
62 
63   switch (node->oid) {
64     case 1: /* icmpInMsgs */
65       *uint_ptr = STATS_GET(mib2.icmpinmsgs);
66       return sizeof(*uint_ptr);
67     case 2: /* icmpInErrors */
68       *uint_ptr = STATS_GET(mib2.icmpinerrors);
69       return sizeof(*uint_ptr);
70     case 3: /* icmpInDestUnreachs */
71       *uint_ptr = STATS_GET(mib2.icmpindestunreachs);
72       return sizeof(*uint_ptr);
73     case 4: /* icmpInTimeExcds */
74       *uint_ptr = STATS_GET(mib2.icmpintimeexcds);
75       return sizeof(*uint_ptr);
76     case 5: /* icmpInParmProbs */
77       *uint_ptr = STATS_GET(mib2.icmpinparmprobs);
78       return sizeof(*uint_ptr);
79     case 6: /* icmpInSrcQuenchs */
80       *uint_ptr = STATS_GET(mib2.icmpinsrcquenchs);
81       return sizeof(*uint_ptr);
82     case 7: /* icmpInRedirects */
83       *uint_ptr = STATS_GET(mib2.icmpinredirects);
84       return sizeof(*uint_ptr);
85     case 8: /* icmpInEchos */
86       *uint_ptr = STATS_GET(mib2.icmpinechos);
87       return sizeof(*uint_ptr);
88     case 9: /* icmpInEchoReps */
89       *uint_ptr = STATS_GET(mib2.icmpinechoreps);
90       return sizeof(*uint_ptr);
91     case 10: /* icmpInTimestamps */
92       *uint_ptr = STATS_GET(mib2.icmpintimestamps);
93       return sizeof(*uint_ptr);
94     case 11: /* icmpInTimestampReps */
95       *uint_ptr = STATS_GET(mib2.icmpintimestampreps);
96       return sizeof(*uint_ptr);
97     case 12: /* icmpInAddrMasks */
98       *uint_ptr = STATS_GET(mib2.icmpinaddrmasks);
99       return sizeof(*uint_ptr);
100     case 13: /* icmpInAddrMaskReps */
101       *uint_ptr = STATS_GET(mib2.icmpinaddrmaskreps);
102       return sizeof(*uint_ptr);
103     case 14: /* icmpOutMsgs */
104       *uint_ptr = STATS_GET(mib2.icmpoutmsgs);
105       return sizeof(*uint_ptr);
106     case 15: /* icmpOutErrors */
107       *uint_ptr = STATS_GET(mib2.icmpouterrors);
108       return sizeof(*uint_ptr);
109     case 16: /* icmpOutDestUnreachs */
110       *uint_ptr = STATS_GET(mib2.icmpoutdestunreachs);
111       return sizeof(*uint_ptr);
112     case 17: /* icmpOutTimeExcds */
113       *uint_ptr = STATS_GET(mib2.icmpouttimeexcds);
114       return sizeof(*uint_ptr);
115     case 18: /* icmpOutParmProbs: not supported -> always 0 */
116       *uint_ptr = 0;
117       return sizeof(*uint_ptr);
118     case 19: /* icmpOutSrcQuenchs: not supported -> always 0 */
119       *uint_ptr = 0;
120       return sizeof(*uint_ptr);
121     case 20: /* icmpOutRedirects: not supported -> always 0 */
122       *uint_ptr = 0;
123       return sizeof(*uint_ptr);
124     case 21: /* icmpOutEchos */
125       *uint_ptr = STATS_GET(mib2.icmpoutechos);
126       return sizeof(*uint_ptr);
127     case 22: /* icmpOutEchoReps */
128       *uint_ptr = STATS_GET(mib2.icmpoutechoreps);
129       return sizeof(*uint_ptr);
130     case 23: /* icmpOutTimestamps: not supported -> always 0 */
131       *uint_ptr = 0;
132       return sizeof(*uint_ptr);
133     case 24: /* icmpOutTimestampReps: not supported -> always 0 */
134       *uint_ptr = 0;
135       return sizeof(*uint_ptr);
136     case 25: /* icmpOutAddrMasks: not supported -> always 0 */
137       *uint_ptr = 0;
138       return sizeof(*uint_ptr);
139     case 26: /* icmpOutAddrMaskReps: not supported -> always 0 */
140       *uint_ptr = 0;
141       return sizeof(*uint_ptr);
142     default:
143       LWIP_DEBUGF(SNMP_MIB_DEBUG, ("icmp_get_value(): unknown id: %"S32_F"\n", node->oid));
144       break;
145   }
146 
147   return 0;
148 }
149 
150 
151 static const struct snmp_scalar_array_node_def icmp_nodes[] = {
152   { 1, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
153   { 2, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
154   { 3, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
155   { 4, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
156   { 5, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
157   { 6, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
158   { 7, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
159   { 8, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
160   { 9, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
161   {10, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
162   {11, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
163   {12, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
164   {13, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
165   {14, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
166   {15, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
167   {16, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
168   {17, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
169   {18, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
170   {19, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
171   {20, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
172   {21, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
173   {22, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
174   {23, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
175   {24, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
176   {25, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
177   {26, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}
178 };
179 
180 const struct snmp_scalar_array_node snmp_mib2_icmp_root = SNMP_SCALAR_CREATE_ARRAY_NODE(5, icmp_nodes, icmp_get_value, NULL, NULL);
181 
182 #endif /* LWIP_SNMP && SNMP_LWIP_MIB2 && LWIP_ICMP */
183