Pranav Sawant / EthernetNetIf

12Oct2012MbedLab

Dependents:   Lab3_VoiceMeter

Fork of EthernetNetIf by Donatien Garnier

LPC1768/lwip/include/lwip/snmp_msg.h@6:22ce63eddd2b, 2012-10-12 (annotated)

Committer:
psawant9
Date:
Fri Oct 12 16:02:00 2012 +0000
Revision:
6:22ce63eddd2b
Parent:
0:422060928e37 
Done

Who changed what in which revision?

UserRevisionLine numberNew contents of line
psawant9 6:22ce63eddd2b 1 /**
psawant9 6:22ce63eddd2b 2 * @file
psawant9 6:22ce63eddd2b 3 * SNMP Agent message handling structures.
psawant9 6:22ce63eddd2b 4 */
psawant9 6:22ce63eddd2b 5
psawant9 6:22ce63eddd2b 6 /*
psawant9 6:22ce63eddd2b 7 * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
psawant9 6:22ce63eddd2b 8 * All rights reserved.
psawant9 6:22ce63eddd2b 9 *
psawant9 6:22ce63eddd2b 10 * Redistribution and use in source and binary forms, with or without modification,
psawant9 6:22ce63eddd2b 11 * are permitted provided that the following conditions are met:
psawant9 6:22ce63eddd2b 12 *
psawant9 6:22ce63eddd2b 13 * 1. Redistributions of source code must retain the above copyright notice,
psawant9 6:22ce63eddd2b 14 * this list of conditions and the following disclaimer.
psawant9 6:22ce63eddd2b 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
psawant9 6:22ce63eddd2b 16 * this list of conditions and the following disclaimer in the documentation
psawant9 6:22ce63eddd2b 17 * and/or other materials provided with the distribution.
psawant9 6:22ce63eddd2b 18 * 3. The name of the author may not be used to endorse or promote products
psawant9 6:22ce63eddd2b 19 * derived from this software without specific prior written permission.
psawant9 6:22ce63eddd2b 20 *
psawant9 6:22ce63eddd2b 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
psawant9 6:22ce63eddd2b 22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
psawant9 6:22ce63eddd2b 23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
psawant9 6:22ce63eddd2b 24 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
psawant9 6:22ce63eddd2b 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
psawant9 6:22ce63eddd2b 26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
psawant9 6:22ce63eddd2b 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
psawant9 6:22ce63eddd2b 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
psawant9 6:22ce63eddd2b 29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
psawant9 6:22ce63eddd2b 30 * OF SUCH DAMAGE.
psawant9 6:22ce63eddd2b 31 *
psawant9 6:22ce63eddd2b 32 * Author: Christiaan Simons <christiaan.simons@axon.tv>
psawant9 6:22ce63eddd2b 33 */
psawant9 6:22ce63eddd2b 34
psawant9 6:22ce63eddd2b 35 #ifndef __LWIP_SNMP_MSG_H__
psawant9 6:22ce63eddd2b 36 #define __LWIP_SNMP_MSG_H__
psawant9 6:22ce63eddd2b 37
psawant9 6:22ce63eddd2b 38 #include "lwip/opt.h"
psawant9 6:22ce63eddd2b 39 #include "lwip/snmp.h"
psawant9 6:22ce63eddd2b 40 #include "lwip/snmp_structs.h"
psawant9 6:22ce63eddd2b 41 #include "lwip/ip_addr.h"
psawant9 6:22ce63eddd2b 42 #include "lwip/err.h"
psawant9 6:22ce63eddd2b 43
psawant9 6:22ce63eddd2b 44 #if LWIP_SNMP
psawant9 6:22ce63eddd2b 45
psawant9 6:22ce63eddd2b 46 #if SNMP_PRIVATE_MIB
psawant9 6:22ce63eddd2b 47 /* When using a private MIB, you have to create a file 'private_mib.h' that contains
psawant9 6:22ce63eddd2b 48 * a 'struct mib_array_node mib_private' which contains your MIB. */
psawant9 6:22ce63eddd2b 49 #include "private_mib.h"
psawant9 6:22ce63eddd2b 50 #endif
psawant9 6:22ce63eddd2b 51
psawant9 6:22ce63eddd2b 52 #ifdef __cplusplus
psawant9 6:22ce63eddd2b 53 extern "C" {
psawant9 6:22ce63eddd2b 54 #endif
psawant9 6:22ce63eddd2b 55
psawant9 6:22ce63eddd2b 56 /* The listen port of the SNMP agent. Clients have to make their requests to
psawant9 6:22ce63eddd2b 57 this port. Most standard clients won't work if you change this! */
psawant9 6:22ce63eddd2b 58 #ifndef SNMP_IN_PORT
psawant9 6:22ce63eddd2b 59 #define SNMP_IN_PORT 161
psawant9 6:22ce63eddd2b 60 #endif
psawant9 6:22ce63eddd2b 61 /* The remote port the SNMP agent sends traps to. Most standard trap sinks won't
psawant9 6:22ce63eddd2b 62 work if you change this! */
psawant9 6:22ce63eddd2b 63 #ifndef SNMP_TRAP_PORT
psawant9 6:22ce63eddd2b 64 #define SNMP_TRAP_PORT 162
psawant9 6:22ce63eddd2b 65 #endif
psawant9 6:22ce63eddd2b 66
psawant9 6:22ce63eddd2b 67 #define SNMP_ES_NOERROR 0
psawant9 6:22ce63eddd2b 68 #define SNMP_ES_TOOBIG 1
psawant9 6:22ce63eddd2b 69 #define SNMP_ES_NOSUCHNAME 2
psawant9 6:22ce63eddd2b 70 #define SNMP_ES_BADVALUE 3
psawant9 6:22ce63eddd2b 71 #define SNMP_ES_READONLY 4
psawant9 6:22ce63eddd2b 72 #define SNMP_ES_GENERROR 5
psawant9 6:22ce63eddd2b 73
psawant9 6:22ce63eddd2b 74 #define SNMP_GENTRAP_COLDSTART 0
psawant9 6:22ce63eddd2b 75 #define SNMP_GENTRAP_WARMSTART 1
psawant9 6:22ce63eddd2b 76 #define SNMP_GENTRAP_AUTHFAIL 4
psawant9 6:22ce63eddd2b 77 #define SNMP_GENTRAP_ENTERPRISESPC 6
psawant9 6:22ce63eddd2b 78
psawant9 6:22ce63eddd2b 79 struct snmp_varbind
psawant9 6:22ce63eddd2b 80 {
psawant9 6:22ce63eddd2b 81 /* next pointer, NULL for last in list */
psawant9 6:22ce63eddd2b 82 struct snmp_varbind *next;
psawant9 6:22ce63eddd2b 83 /* previous pointer, NULL for first in list */
psawant9 6:22ce63eddd2b 84 struct snmp_varbind *prev;
psawant9 6:22ce63eddd2b 85
psawant9 6:22ce63eddd2b 86 /* object identifier length (in s32_t) */
psawant9 6:22ce63eddd2b 87 u8_t ident_len;
psawant9 6:22ce63eddd2b 88 /* object identifier array */
psawant9 6:22ce63eddd2b 89 s32_t *ident;
psawant9 6:22ce63eddd2b 90
psawant9 6:22ce63eddd2b 91 /* object value ASN1 type */
psawant9 6:22ce63eddd2b 92 u8_t value_type;
psawant9 6:22ce63eddd2b 93 /* object value length (in u8_t) */
psawant9 6:22ce63eddd2b 94 u8_t value_len;
psawant9 6:22ce63eddd2b 95 /* object value */
psawant9 6:22ce63eddd2b 96 void *value;
psawant9 6:22ce63eddd2b 97
psawant9 6:22ce63eddd2b 98 /* encoding varbind seq length length */
psawant9 6:22ce63eddd2b 99 u8_t seqlenlen;
psawant9 6:22ce63eddd2b 100 /* encoding object identifier length length */
psawant9 6:22ce63eddd2b 101 u8_t olenlen;
psawant9 6:22ce63eddd2b 102 /* encoding object value length length */
psawant9 6:22ce63eddd2b 103 u8_t vlenlen;
psawant9 6:22ce63eddd2b 104 /* encoding varbind seq length */
psawant9 6:22ce63eddd2b 105 u16_t seqlen;
psawant9 6:22ce63eddd2b 106 /* encoding object identifier length */
psawant9 6:22ce63eddd2b 107 u16_t olen;
psawant9 6:22ce63eddd2b 108 /* encoding object value length */
psawant9 6:22ce63eddd2b 109 u16_t vlen;
psawant9 6:22ce63eddd2b 110 };
psawant9 6:22ce63eddd2b 111
psawant9 6:22ce63eddd2b 112 struct snmp_varbind_root
psawant9 6:22ce63eddd2b 113 {
psawant9 6:22ce63eddd2b 114 struct snmp_varbind *head;
psawant9 6:22ce63eddd2b 115 struct snmp_varbind *tail;
psawant9 6:22ce63eddd2b 116 /* number of variable bindings in list */
psawant9 6:22ce63eddd2b 117 u8_t count;
psawant9 6:22ce63eddd2b 118 /* encoding varbind-list seq length length */
psawant9 6:22ce63eddd2b 119 u8_t seqlenlen;
psawant9 6:22ce63eddd2b 120 /* encoding varbind-list seq length */
psawant9 6:22ce63eddd2b 121 u16_t seqlen;
psawant9 6:22ce63eddd2b 122 };
psawant9 6:22ce63eddd2b 123
psawant9 6:22ce63eddd2b 124 /** output response message header length fields */
psawant9 6:22ce63eddd2b 125 struct snmp_resp_header_lengths
psawant9 6:22ce63eddd2b 126 {
psawant9 6:22ce63eddd2b 127 /* encoding error-index length length */
psawant9 6:22ce63eddd2b 128 u8_t erridxlenlen;
psawant9 6:22ce63eddd2b 129 /* encoding error-status length length */
psawant9 6:22ce63eddd2b 130 u8_t errstatlenlen;
psawant9 6:22ce63eddd2b 131 /* encoding request id length length */
psawant9 6:22ce63eddd2b 132 u8_t ridlenlen;
psawant9 6:22ce63eddd2b 133 /* encoding pdu length length */
psawant9 6:22ce63eddd2b 134 u8_t pdulenlen;
psawant9 6:22ce63eddd2b 135 /* encoding community length length */
psawant9 6:22ce63eddd2b 136 u8_t comlenlen;
psawant9 6:22ce63eddd2b 137 /* encoding version length length */
psawant9 6:22ce63eddd2b 138 u8_t verlenlen;
psawant9 6:22ce63eddd2b 139 /* encoding sequence length length */
psawant9 6:22ce63eddd2b 140 u8_t seqlenlen;
psawant9 6:22ce63eddd2b 141
psawant9 6:22ce63eddd2b 142 /* encoding error-index length */
psawant9 6:22ce63eddd2b 143 u16_t erridxlen;
psawant9 6:22ce63eddd2b 144 /* encoding error-status length */
psawant9 6:22ce63eddd2b 145 u16_t errstatlen;
psawant9 6:22ce63eddd2b 146 /* encoding request id length */
psawant9 6:22ce63eddd2b 147 u16_t ridlen;
psawant9 6:22ce63eddd2b 148 /* encoding pdu length */
psawant9 6:22ce63eddd2b 149 u16_t pdulen;
psawant9 6:22ce63eddd2b 150 /* encoding community length */
psawant9 6:22ce63eddd2b 151 u16_t comlen;
psawant9 6:22ce63eddd2b 152 /* encoding version length */
psawant9 6:22ce63eddd2b 153 u16_t verlen;
psawant9 6:22ce63eddd2b 154 /* encoding sequence length */
psawant9 6:22ce63eddd2b 155 u16_t seqlen;
psawant9 6:22ce63eddd2b 156 };
psawant9 6:22ce63eddd2b 157
psawant9 6:22ce63eddd2b 158 /** output response message header length fields */
psawant9 6:22ce63eddd2b 159 struct snmp_trap_header_lengths
psawant9 6:22ce63eddd2b 160 {
psawant9 6:22ce63eddd2b 161 /* encoding timestamp length length */
psawant9 6:22ce63eddd2b 162 u8_t tslenlen;
psawant9 6:22ce63eddd2b 163 /* encoding specific-trap length length */
psawant9 6:22ce63eddd2b 164 u8_t strplenlen;
psawant9 6:22ce63eddd2b 165 /* encoding generic-trap length length */
psawant9 6:22ce63eddd2b 166 u8_t gtrplenlen;
psawant9 6:22ce63eddd2b 167 /* encoding agent-addr length length */
psawant9 6:22ce63eddd2b 168 u8_t aaddrlenlen;
psawant9 6:22ce63eddd2b 169 /* encoding enterprise-id length length */
psawant9 6:22ce63eddd2b 170 u8_t eidlenlen;
psawant9 6:22ce63eddd2b 171 /* encoding pdu length length */
psawant9 6:22ce63eddd2b 172 u8_t pdulenlen;
psawant9 6:22ce63eddd2b 173 /* encoding community length length */
psawant9 6:22ce63eddd2b 174 u8_t comlenlen;
psawant9 6:22ce63eddd2b 175 /* encoding version length length */
psawant9 6:22ce63eddd2b 176 u8_t verlenlen;
psawant9 6:22ce63eddd2b 177 /* encoding sequence length length */
psawant9 6:22ce63eddd2b 178 u8_t seqlenlen;
psawant9 6:22ce63eddd2b 179
psawant9 6:22ce63eddd2b 180 /* encoding timestamp length */
psawant9 6:22ce63eddd2b 181 u16_t tslen;
psawant9 6:22ce63eddd2b 182 /* encoding specific-trap length */
psawant9 6:22ce63eddd2b 183 u16_t strplen;
psawant9 6:22ce63eddd2b 184 /* encoding generic-trap length */
psawant9 6:22ce63eddd2b 185 u16_t gtrplen;
psawant9 6:22ce63eddd2b 186 /* encoding agent-addr length */
psawant9 6:22ce63eddd2b 187 u16_t aaddrlen;
psawant9 6:22ce63eddd2b 188 /* encoding enterprise-id length */
psawant9 6:22ce63eddd2b 189 u16_t eidlen;
psawant9 6:22ce63eddd2b 190 /* encoding pdu length */
psawant9 6:22ce63eddd2b 191 u16_t pdulen;
psawant9 6:22ce63eddd2b 192 /* encoding community length */
psawant9 6:22ce63eddd2b 193 u16_t comlen;
psawant9 6:22ce63eddd2b 194 /* encoding version length */
psawant9 6:22ce63eddd2b 195 u16_t verlen;
psawant9 6:22ce63eddd2b 196 /* encoding sequence length */
psawant9 6:22ce63eddd2b 197 u16_t seqlen;
psawant9 6:22ce63eddd2b 198 };
psawant9 6:22ce63eddd2b 199
psawant9 6:22ce63eddd2b 200 /* Accepting new SNMP messages. */
psawant9 6:22ce63eddd2b 201 #define SNMP_MSG_EMPTY 0
psawant9 6:22ce63eddd2b 202 /* Search for matching object for variable binding. */
psawant9 6:22ce63eddd2b 203 #define SNMP_MSG_SEARCH_OBJ 1
psawant9 6:22ce63eddd2b 204 /* Perform SNMP operation on in-memory object.
psawant9 6:22ce63eddd2b 205 Pass-through states, for symmetry only. */
psawant9 6:22ce63eddd2b 206 #define SNMP_MSG_INTERNAL_GET_OBJDEF 2
psawant9 6:22ce63eddd2b 207 #define SNMP_MSG_INTERNAL_GET_VALUE 3
psawant9 6:22ce63eddd2b 208 #define SNMP_MSG_INTERNAL_SET_TEST 4
psawant9 6:22ce63eddd2b 209 #define SNMP_MSG_INTERNAL_GET_OBJDEF_S 5
psawant9 6:22ce63eddd2b 210 #define SNMP_MSG_INTERNAL_SET_VALUE 6
psawant9 6:22ce63eddd2b 211 /* Perform SNMP operation on object located externally.
psawant9 6:22ce63eddd2b 212 In theory this could be used for building a proxy agent.
psawant9 6:22ce63eddd2b 213 Practical use is for an enterprise spc. app. gateway. */
psawant9 6:22ce63eddd2b 214 #define SNMP_MSG_EXTERNAL_GET_OBJDEF 7
psawant9 6:22ce63eddd2b 215 #define SNMP_MSG_EXTERNAL_GET_VALUE 8
psawant9 6:22ce63eddd2b 216 #define SNMP_MSG_EXTERNAL_SET_TEST 9
psawant9 6:22ce63eddd2b 217 #define SNMP_MSG_EXTERNAL_GET_OBJDEF_S 10
psawant9 6:22ce63eddd2b 218 #define SNMP_MSG_EXTERNAL_SET_VALUE 11
psawant9 6:22ce63eddd2b 219
psawant9 6:22ce63eddd2b 220 #define SNMP_COMMUNITY_STR_LEN 64
psawant9 6:22ce63eddd2b 221 struct snmp_msg_pstat
psawant9 6:22ce63eddd2b 222 {
psawant9 6:22ce63eddd2b 223 /* lwIP local port (161) binding */
psawant9 6:22ce63eddd2b 224 struct udp_pcb *pcb;
psawant9 6:22ce63eddd2b 225 /* source IP address */
psawant9 6:22ce63eddd2b 226 ip_addr_t sip;
psawant9 6:22ce63eddd2b 227 /* source UDP port */
psawant9 6:22ce63eddd2b 228 u16_t sp;
psawant9 6:22ce63eddd2b 229 /* request type */
psawant9 6:22ce63eddd2b 230 u8_t rt;
psawant9 6:22ce63eddd2b 231 /* request ID */
psawant9 6:22ce63eddd2b 232 s32_t rid;
psawant9 6:22ce63eddd2b 233 /* error status */
psawant9 6:22ce63eddd2b 234 s32_t error_status;
psawant9 6:22ce63eddd2b 235 /* error index */
psawant9 6:22ce63eddd2b 236 s32_t error_index;
psawant9 6:22ce63eddd2b 237 /* community name (zero terminated) */
psawant9 6:22ce63eddd2b 238 u8_t community[SNMP_COMMUNITY_STR_LEN + 1];
psawant9 6:22ce63eddd2b 239 /* community string length (exclusive zero term) */
psawant9 6:22ce63eddd2b 240 u8_t com_strlen;
psawant9 6:22ce63eddd2b 241 /* one out of MSG_EMPTY, MSG_DEMUX, MSG_INTERNAL, MSG_EXTERNAL_x */
psawant9 6:22ce63eddd2b 242 u8_t state;
psawant9 6:22ce63eddd2b 243 /* saved arguments for MSG_EXTERNAL_x */
psawant9 6:22ce63eddd2b 244 struct mib_external_node *ext_mib_node;
psawant9 6:22ce63eddd2b 245 struct snmp_name_ptr ext_name_ptr;
psawant9 6:22ce63eddd2b 246 struct obj_def ext_object_def;
psawant9 6:22ce63eddd2b 247 struct snmp_obj_id ext_oid;
psawant9 6:22ce63eddd2b 248 /* index into input variable binding list */
psawant9 6:22ce63eddd2b 249 u8_t vb_idx;
psawant9 6:22ce63eddd2b 250 /* ptr into input variable binding list */
psawant9 6:22ce63eddd2b 251 struct snmp_varbind *vb_ptr;
psawant9 6:22ce63eddd2b 252 /* list of variable bindings from input */
psawant9 6:22ce63eddd2b 253 struct snmp_varbind_root invb;
psawant9 6:22ce63eddd2b 254 /* list of variable bindings to output */
psawant9 6:22ce63eddd2b 255 struct snmp_varbind_root outvb;
psawant9 6:22ce63eddd2b 256 /* output response lengths used in ASN encoding */
psawant9 6:22ce63eddd2b 257 struct snmp_resp_header_lengths rhl;
psawant9 6:22ce63eddd2b 258 };
psawant9 6:22ce63eddd2b 259
psawant9 6:22ce63eddd2b 260 struct snmp_msg_trap
psawant9 6:22ce63eddd2b 261 {
psawant9 6:22ce63eddd2b 262 /* lwIP local port (161) binding */
psawant9 6:22ce63eddd2b 263 struct udp_pcb *pcb;
psawant9 6:22ce63eddd2b 264 /* destination IP address in network order */
psawant9 6:22ce63eddd2b 265 ip_addr_t dip;
psawant9 6:22ce63eddd2b 266
psawant9 6:22ce63eddd2b 267 /* source enterprise ID (sysObjectID) */
psawant9 6:22ce63eddd2b 268 struct snmp_obj_id *enterprise;
psawant9 6:22ce63eddd2b 269 /* source IP address, raw network order format */
psawant9 6:22ce63eddd2b 270 u8_t sip_raw[4];
psawant9 6:22ce63eddd2b 271 /* generic trap code */
psawant9 6:22ce63eddd2b 272 u32_t gen_trap;
psawant9 6:22ce63eddd2b 273 /* specific trap code */
psawant9 6:22ce63eddd2b 274 u32_t spc_trap;
psawant9 6:22ce63eddd2b 275 /* timestamp */
psawant9 6:22ce63eddd2b 276 u32_t ts;
psawant9 6:22ce63eddd2b 277 /* list of variable bindings to output */
psawant9 6:22ce63eddd2b 278 struct snmp_varbind_root outvb;
psawant9 6:22ce63eddd2b 279 /* output trap lengths used in ASN encoding */
psawant9 6:22ce63eddd2b 280 struct snmp_trap_header_lengths thl;
psawant9 6:22ce63eddd2b 281 };
psawant9 6:22ce63eddd2b 282
psawant9 6:22ce63eddd2b 283 /** Agent Version constant, 0 = v1 oddity */
psawant9 6:22ce63eddd2b 284 extern const s32_t snmp_version;
psawant9 6:22ce63eddd2b 285 /** Agent default "public" community string */
psawant9 6:22ce63eddd2b 286 extern const char snmp_publiccommunity[7];
psawant9 6:22ce63eddd2b 287
psawant9 6:22ce63eddd2b 288 extern struct snmp_msg_trap trap_msg;
psawant9 6:22ce63eddd2b 289
psawant9 6:22ce63eddd2b 290 /** Agent setup, start listening to port 161. */
psawant9 6:22ce63eddd2b 291 void snmp_init(void);
psawant9 6:22ce63eddd2b 292 void snmp_trap_dst_enable(u8_t dst_idx, u8_t enable);
psawant9 6:22ce63eddd2b 293 void snmp_trap_dst_ip_set(u8_t dst_idx, ip_addr_t *dst);
psawant9 6:22ce63eddd2b 294
psawant9 6:22ce63eddd2b 295 /** Varbind-list functions. */
psawant9 6:22ce63eddd2b 296 struct snmp_varbind* snmp_varbind_alloc(struct snmp_obj_id *oid, u8_t type, u8_t len);
psawant9 6:22ce63eddd2b 297 void snmp_varbind_free(struct snmp_varbind *vb);
psawant9 6:22ce63eddd2b 298 void snmp_varbind_list_free(struct snmp_varbind_root *root);
psawant9 6:22ce63eddd2b 299 void snmp_varbind_tail_add(struct snmp_varbind_root *root, struct snmp_varbind *vb);
psawant9 6:22ce63eddd2b 300 struct snmp_varbind* snmp_varbind_tail_remove(struct snmp_varbind_root *root);
psawant9 6:22ce63eddd2b 301
psawant9 6:22ce63eddd2b 302 /** Handle an internal (recv) or external (private response) event. */
psawant9 6:22ce63eddd2b 303 void snmp_msg_event(u8_t request_id);
psawant9 6:22ce63eddd2b 304 err_t snmp_send_response(struct snmp_msg_pstat *m_stat);
psawant9 6:22ce63eddd2b 305 err_t snmp_send_trap(s8_t generic_trap, struct snmp_obj_id *eoid, s32_t specific_trap);
psawant9 6:22ce63eddd2b 306 void snmp_coldstart_trap(void);
psawant9 6:22ce63eddd2b 307 void snmp_authfail_trap(void);
psawant9 6:22ce63eddd2b 308
psawant9 6:22ce63eddd2b 309 #ifdef __cplusplus
psawant9 6:22ce63eddd2b 310 }
psawant9 6:22ce63eddd2b 311 #endif
psawant9 6:22ce63eddd2b 312
psawant9 6:22ce63eddd2b 313 #endif /* LWIP_SNMP */
psawant9 6:22ce63eddd2b 314
psawant9 6:22ce63eddd2b 315 #endif /* __LWIP_SNMP_MSG_H__ */