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1 office 1 /**
2 * @file
3 * Statistics API (to be used from TCPIP thread)
4 */
5  
6 /*
7 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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 * This file is part of the lwIP TCP/IP stack.
33 *
34 * Author: Adam Dunkels <adam@sics.se>
35 *
36 */
37 #ifndef LWIP_HDR_STATS_H
38 #define LWIP_HDR_STATS_H
39  
40 #include "lwip/opt.h"
41  
42 #include "lwip/mem.h"
43 #include "lwip/memp.h"
44  
45 #ifdef __cplusplus
46 extern "C" {
47 #endif
48  
49 #if LWIP_STATS
50  
51 #ifndef LWIP_STATS_LARGE
52 #define LWIP_STATS_LARGE 0
53 #endif
54  
55 #if LWIP_STATS_LARGE
56 #define STAT_COUNTER u32_t
57 #define STAT_COUNTER_F U32_F
58 #else
59 #define STAT_COUNTER u16_t
60 #define STAT_COUNTER_F U16_F
61 #endif
62  
63 /** Protocol related stats */
64 struct stats_proto {
65 STAT_COUNTER xmit; /* Transmitted packets. */
66 STAT_COUNTER recv; /* Received packets. */
67 STAT_COUNTER fw; /* Forwarded packets. */
68 STAT_COUNTER drop; /* Dropped packets. */
69 STAT_COUNTER chkerr; /* Checksum error. */
70 STAT_COUNTER lenerr; /* Invalid length error. */
71 STAT_COUNTER memerr; /* Out of memory error. */
72 STAT_COUNTER rterr; /* Routing error. */
73 STAT_COUNTER proterr; /* Protocol error. */
74 STAT_COUNTER opterr; /* Error in options. */
75 STAT_COUNTER err; /* Misc error. */
76 STAT_COUNTER cachehit;
77 };
78  
79 /** IGMP stats */
80 struct stats_igmp {
81 STAT_COUNTER xmit; /* Transmitted packets. */
82 STAT_COUNTER recv; /* Received packets. */
83 STAT_COUNTER drop; /* Dropped packets. */
84 STAT_COUNTER chkerr; /* Checksum error. */
85 STAT_COUNTER lenerr; /* Invalid length error. */
86 STAT_COUNTER memerr; /* Out of memory error. */
87 STAT_COUNTER proterr; /* Protocol error. */
88 STAT_COUNTER rx_v1; /* Received v1 frames. */
89 STAT_COUNTER rx_group; /* Received group-specific queries. */
90 STAT_COUNTER rx_general; /* Received general queries. */
91 STAT_COUNTER rx_report; /* Received reports. */
92 STAT_COUNTER tx_join; /* Sent joins. */
93 STAT_COUNTER tx_leave; /* Sent leaves. */
94 STAT_COUNTER tx_report; /* Sent reports. */
95 };
96  
97 /** Memory stats */
98 struct stats_mem {
99 #if defined(LWIP_DEBUG) || LWIP_STATS_DISPLAY
100 const char *name;
101 #endif /* defined(LWIP_DEBUG) || LWIP_STATS_DISPLAY */
102 STAT_COUNTER err;
103 mem_size_t avail;
104 mem_size_t used;
105 mem_size_t max;
106 STAT_COUNTER illegal;
107 };
108  
109 /** System element stats */
110 struct stats_syselem {
111 STAT_COUNTER used;
112 STAT_COUNTER max;
113 STAT_COUNTER err;
114 };
115  
116 /** System stats */
117 struct stats_sys {
118 struct stats_syselem sem;
119 struct stats_syselem mutex;
120 struct stats_syselem mbox;
121 };
122  
123 /** SNMP MIB2 stats */
124 struct stats_mib2 {
125 /* IP */
126 u32_t ipinhdrerrors;
127 u32_t ipinaddrerrors;
128 u32_t ipinunknownprotos;
129 u32_t ipindiscards;
130 u32_t ipindelivers;
131 u32_t ipoutrequests;
132 u32_t ipoutdiscards;
133 u32_t ipoutnoroutes;
134 u32_t ipreasmoks;
135 u32_t ipreasmfails;
136 u32_t ipfragoks;
137 u32_t ipfragfails;
138 u32_t ipfragcreates;
139 u32_t ipreasmreqds;
140 u32_t ipforwdatagrams;
141 u32_t ipinreceives;
142  
143 /* TCP */
144 u32_t tcpactiveopens;
145 u32_t tcppassiveopens;
146 u32_t tcpattemptfails;
147 u32_t tcpestabresets;
148 u32_t tcpoutsegs;
149 u32_t tcpretranssegs;
150 u32_t tcpinsegs;
151 u32_t tcpinerrs;
152 u32_t tcpoutrsts;
153  
154 /* UDP */
155 u32_t udpindatagrams;
156 u32_t udpnoports;
157 u32_t udpinerrors;
158 u32_t udpoutdatagrams;
159  
160 /* ICMP */
161 u32_t icmpinmsgs;
162 u32_t icmpinerrors;
163 u32_t icmpindestunreachs;
164 u32_t icmpintimeexcds;
165 u32_t icmpinparmprobs;
166 u32_t icmpinsrcquenchs;
167 u32_t icmpinredirects;
168 u32_t icmpinechos;
169 u32_t icmpinechoreps;
170 u32_t icmpintimestamps;
171 u32_t icmpintimestampreps;
172 u32_t icmpinaddrmasks;
173 u32_t icmpinaddrmaskreps;
174 u32_t icmpoutmsgs;
175 u32_t icmpouterrors;
176 u32_t icmpoutdestunreachs;
177 u32_t icmpouttimeexcds;
178 u32_t icmpoutechos; /* can be incremented by user application ('ping') */
179 u32_t icmpoutechoreps;
180 };
181  
182 /**
183 * @ingroup netif_mib2
184 * SNMP MIB2 interface stats
185 */
186 struct stats_mib2_netif_ctrs {
187 /** The total number of octets received on the interface, including framing characters */
188 u32_t ifinoctets;
189 /** The number of packets, delivered by this sub-layer to a higher (sub-)layer, which were
190 * not addressed to a multicast or broadcast address at this sub-layer */
191 u32_t ifinucastpkts;
192 /** The number of packets, delivered by this sub-layer to a higher (sub-)layer, which were
193 * addressed to a multicast or broadcast address at this sub-layer */
194 u32_t ifinnucastpkts;
195 /** The number of inbound packets which were chosen to be discarded even though no errors had
196 * been detected to prevent their being deliverable to a higher-layer protocol. One possible
197 * reason for discarding such a packet could be to free up buffer space */
198 u32_t ifindiscards;
199 /** For packet-oriented interfaces, the number of inbound packets that contained errors
200 * preventing them from being deliverable to a higher-layer protocol. For character-
201 * oriented or fixed-length interfaces, the number of inbound transmission units that
202 * contained errors preventing them from being deliverable to a higher-layer protocol. */
203 u32_t ifinerrors;
204 /** For packet-oriented interfaces, the number of packets received via the interface which
205 * were discarded because of an unknown or unsupported protocol. For character-oriented
206 * or fixed-length interfaces that support protocol multiplexing the number of transmission
207 * units received via the interface which were discarded because of an unknown or unsupported
208 * protocol. For any interface that does not support protocol multiplexing, this counter will
209 * always be 0 */
210 u32_t ifinunknownprotos;
211 /** The total number of octets transmitted out of the interface, including framing characters. */
212 u32_t ifoutoctets;
213 /** The total number of packets that higher-level protocols requested be transmitted, and
214 * which were not addressed to a multicast or broadcast address at this sub-layer, including
215 * those that were discarded or not sent. */
216 u32_t ifoutucastpkts;
217 /** The total number of packets that higher-level protocols requested be transmitted, and which
218 * were addressed to a multicast or broadcast address at this sub-layer, including
219 * those that were discarded or not sent. */
220 u32_t ifoutnucastpkts;
221 /** The number of outbound packets which were chosen to be discarded even though no errors had
222 * been detected to prevent their being transmitted. One possible reason for discarding
223 * such a packet could be to free up buffer space. */
224 u32_t ifoutdiscards;
225 /** For packet-oriented interfaces, the number of outbound packets that could not be transmitted
226 * because of errors. For character-oriented or fixed-length interfaces, the number of outbound
227 * transmission units that could not be transmitted because of errors. */
228 u32_t ifouterrors;
229 };
230  
231 /** lwIP stats container */
232 struct stats_ {
233 #if LINK_STATS
234 /** Link level */
235 struct stats_proto link;
236 #endif
237 #if ETHARP_STATS
238 /** ARP */
239 struct stats_proto etharp;
240 #endif
241 #if IPFRAG_STATS
242 /** Fragmentation */
243 struct stats_proto ip_frag;
244 #endif
245 #if IP_STATS
246 /** IP */
247 struct stats_proto ip;
248 #endif
249 #if ICMP_STATS
250 /** ICMP */
251 struct stats_proto icmp;
252 #endif
253 #if IGMP_STATS
254 /** IGMP */
255 struct stats_igmp igmp;
256 #endif
257 #if UDP_STATS
258 /** UDP */
259 struct stats_proto udp;
260 #endif
261 #if TCP_STATS
262 /** TCP */
263 struct stats_proto tcp;
264 #endif
265 #if MEM_STATS
266 /** Heap */
267 struct stats_mem mem;
268 #endif
269 #if MEMP_STATS
270 /** Internal memory pools */
271 struct stats_mem *memp[MEMP_MAX];
272 #endif
273 #if SYS_STATS
274 /** System */
275 struct stats_sys sys;
276 #endif
277 #if IP6_STATS
278 /** IPv6 */
279 struct stats_proto ip6;
280 #endif
281 #if ICMP6_STATS
282 /** ICMP6 */
283 struct stats_proto icmp6;
284 #endif
285 #if IP6_FRAG_STATS
286 /** IPv6 fragmentation */
287 struct stats_proto ip6_frag;
288 #endif
289 #if MLD6_STATS
290 /** Multicast listener discovery */
291 struct stats_igmp mld6;
292 #endif
293 #if ND6_STATS
294 /** Neighbor discovery */
295 struct stats_proto nd6;
296 #endif
297 #if MIB2_STATS
298 /** SNMP MIB2 */
299 struct stats_mib2 mib2;
300 #endif
301 };
302  
303 /** Global variable containing lwIP internal statistics. Add this to your debugger's watchlist. */
304 extern struct stats_ lwip_stats;
305  
306 /** Init statistics */
307 void stats_init(void);
308  
309 #define STATS_INC(x) ++lwip_stats.x
310 #define STATS_DEC(x) --lwip_stats.x
311 #define STATS_INC_USED(x, y, type) do { lwip_stats.x.used = (type)(lwip_stats.x.used + y); \
312 if (lwip_stats.x.max < lwip_stats.x.used) { \
313 lwip_stats.x.max = lwip_stats.x.used; \
314 } \
315 } while(0)
316 #define STATS_GET(x) lwip_stats.x
317 #else /* LWIP_STATS */
318 #define stats_init()
319 #define STATS_INC(x)
320 #define STATS_DEC(x)
321 #define STATS_INC_USED(x, y, type)
322 #endif /* LWIP_STATS */
323  
324 #if TCP_STATS
325 #define TCP_STATS_INC(x) STATS_INC(x)
326 #define TCP_STATS_DISPLAY() stats_display_proto(&lwip_stats.tcp, "TCP")
327 #else
328 #define TCP_STATS_INC(x)
329 #define TCP_STATS_DISPLAY()
330 #endif
331  
332 #if UDP_STATS
333 #define UDP_STATS_INC(x) STATS_INC(x)
334 #define UDP_STATS_DISPLAY() stats_display_proto(&lwip_stats.udp, "UDP")
335 #else
336 #define UDP_STATS_INC(x)
337 #define UDP_STATS_DISPLAY()
338 #endif
339  
340 #if ICMP_STATS
341 #define ICMP_STATS_INC(x) STATS_INC(x)
342 #define ICMP_STATS_DISPLAY() stats_display_proto(&lwip_stats.icmp, "ICMP")
343 #else
344 #define ICMP_STATS_INC(x)
345 #define ICMP_STATS_DISPLAY()
346 #endif
347  
348 #if IGMP_STATS
349 #define IGMP_STATS_INC(x) STATS_INC(x)
350 #define IGMP_STATS_DISPLAY() stats_display_igmp(&lwip_stats.igmp, "IGMP")
351 #else
352 #define IGMP_STATS_INC(x)
353 #define IGMP_STATS_DISPLAY()
354 #endif
355  
356 #if IP_STATS
357 #define IP_STATS_INC(x) STATS_INC(x)
358 #define IP_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip, "IP")
359 #else
360 #define IP_STATS_INC(x)
361 #define IP_STATS_DISPLAY()
362 #endif
363  
364 #if IPFRAG_STATS
365 #define IPFRAG_STATS_INC(x) STATS_INC(x)
366 #define IPFRAG_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip_frag, "IP_FRAG")
367 #else
368 #define IPFRAG_STATS_INC(x)
369 #define IPFRAG_STATS_DISPLAY()
370 #endif
371  
372 #if ETHARP_STATS
373 #define ETHARP_STATS_INC(x) STATS_INC(x)
374 #define ETHARP_STATS_DISPLAY() stats_display_proto(&lwip_stats.etharp, "ETHARP")
375 #else
376 #define ETHARP_STATS_INC(x)
377 #define ETHARP_STATS_DISPLAY()
378 #endif
379  
380 #if LINK_STATS
381 #define LINK_STATS_INC(x) STATS_INC(x)
382 #define LINK_STATS_DISPLAY() stats_display_proto(&lwip_stats.link, "LINK")
383 #else
384 #define LINK_STATS_INC(x)
385 #define LINK_STATS_DISPLAY()
386 #endif
387  
388 #if MEM_STATS
389 #define MEM_STATS_AVAIL(x, y) lwip_stats.mem.x = y
390 #define MEM_STATS_INC(x) STATS_INC(mem.x)
391 #define MEM_STATS_INC_USED(x, y) STATS_INC_USED(mem, y, mem_size_t)
392 #define MEM_STATS_DEC_USED(x, y) lwip_stats.mem.x = (mem_size_t)((lwip_stats.mem.x) - (y))
393 #define MEM_STATS_DISPLAY() stats_display_mem(&lwip_stats.mem, "HEAP")
394 #else
395 #define MEM_STATS_AVAIL(x, y)
396 #define MEM_STATS_INC(x)
397 #define MEM_STATS_INC_USED(x, y)
398 #define MEM_STATS_DEC_USED(x, y)
399 #define MEM_STATS_DISPLAY()
400 #endif
401  
402 #if MEMP_STATS
403 #define MEMP_STATS_DEC(x, i) STATS_DEC(memp[i]->x)
404 #define MEMP_STATS_DISPLAY(i) stats_display_memp(lwip_stats.memp[i], i)
405 #define MEMP_STATS_GET(x, i) STATS_GET(memp[i]->x)
406 #else
407 #define MEMP_STATS_DEC(x, i)
408 #define MEMP_STATS_DISPLAY(i)
409 #define MEMP_STATS_GET(x, i) 0
410 #endif
411  
412 #if SYS_STATS
413 #define SYS_STATS_INC(x) STATS_INC(sys.x)
414 #define SYS_STATS_DEC(x) STATS_DEC(sys.x)
415 #define SYS_STATS_INC_USED(x) STATS_INC_USED(sys.x, 1, STAT_COUNTER)
416 #define SYS_STATS_DISPLAY() stats_display_sys(&lwip_stats.sys)
417 #else
418 #define SYS_STATS_INC(x)
419 #define SYS_STATS_DEC(x)
420 #define SYS_STATS_INC_USED(x)
421 #define SYS_STATS_DISPLAY()
422 #endif
423  
424 #if IP6_STATS
425 #define IP6_STATS_INC(x) STATS_INC(x)
426 #define IP6_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip6, "IPv6")
427 #else
428 #define IP6_STATS_INC(x)
429 #define IP6_STATS_DISPLAY()
430 #endif
431  
432 #if ICMP6_STATS
433 #define ICMP6_STATS_INC(x) STATS_INC(x)
434 #define ICMP6_STATS_DISPLAY() stats_display_proto(&lwip_stats.icmp6, "ICMPv6")
435 #else
436 #define ICMP6_STATS_INC(x)
437 #define ICMP6_STATS_DISPLAY()
438 #endif
439  
440 #if IP6_FRAG_STATS
441 #define IP6_FRAG_STATS_INC(x) STATS_INC(x)
442 #define IP6_FRAG_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip6_frag, "IPv6 FRAG")
443 #else
444 #define IP6_FRAG_STATS_INC(x)
445 #define IP6_FRAG_STATS_DISPLAY()
446 #endif
447  
448 #if MLD6_STATS
449 #define MLD6_STATS_INC(x) STATS_INC(x)
450 #define MLD6_STATS_DISPLAY() stats_display_igmp(&lwip_stats.mld6, "MLDv1")
451 #else
452 #define MLD6_STATS_INC(x)
453 #define MLD6_STATS_DISPLAY()
454 #endif
455  
456 #if ND6_STATS
457 #define ND6_STATS_INC(x) STATS_INC(x)
458 #define ND6_STATS_DISPLAY() stats_display_proto(&lwip_stats.nd6, "ND")
459 #else
460 #define ND6_STATS_INC(x)
461 #define ND6_STATS_DISPLAY()
462 #endif
463  
464 #if MIB2_STATS
465 #define MIB2_STATS_INC(x) STATS_INC(x)
466 #else
467 #define MIB2_STATS_INC(x)
468 #endif
469  
470 /* Display of statistics */
471 #if LWIP_STATS_DISPLAY
472 void stats_display(void);
473 void stats_display_proto(struct stats_proto *proto, const char *name);
474 void stats_display_igmp(struct stats_igmp *igmp, const char *name);
475 void stats_display_mem(struct stats_mem *mem, const char *name);
476 void stats_display_memp(struct stats_mem *mem, int index);
477 void stats_display_sys(struct stats_sys *sys);
478 #else /* LWIP_STATS_DISPLAY */
479 #define stats_display()
480 #define stats_display_proto(proto, name)
481 #define stats_display_igmp(igmp, name)
482 #define stats_display_mem(mem, name)
483 #define stats_display_memp(mem, index)
484 #define stats_display_sys(sys)
485 #endif /* LWIP_STATS_DISPLAY */
486  
487 #ifdef __cplusplus
488 }
489 #endif
490  
491 #endif /* LWIP_HDR_STATS_H */