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1 /**
2  * @file
3  * Statistics module
4  *
5  */
6 
7 /*
8  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without modification,
12  * are permitted provided that the following conditions are met:
13  *
14  * 1. Redistributions of source code must retain the above copyright notice,
15  *    this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright notice,
17  *    this list of conditions and the following disclaimer in the documentation
18  *    and/or other materials provided with the distribution.
19  * 3. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
23  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
25  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
27  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
30  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
31  * OF SUCH DAMAGE.
32  *
33  * This file is part of the lwIP TCP/IP stack.
34  *
35  * Author: Adam Dunkels <adam@sics.se>
36  *
37  */
38 
39 #include "lwip/opt.h"
40 
41 #if LWIP_STATS /* don't build if not configured for use in lwipopts.h */
42 
43 #include "lwip/def.h"
44 #include "lwip/stats.h"
45 #include "lwip/mem.h"
46 #include "lwip/debug.h"
47 
48 #include <string.h>
49 
50 struct stats_ lwip_stats;
51 
52 void
stats_init(void)53 stats_init(void)
54 {
55 #ifdef LWIP_DEBUG
56 #if MEM_STATS
57   lwip_stats.mem.name = "MEM";
58 #endif /* MEM_STATS */
59 #endif /* LWIP_DEBUG */
60 }
61 
62 #if LWIP_STATS_DISPLAY
63 void
stats_display_proto(struct stats_proto * proto,const char * name)64 stats_display_proto(struct stats_proto *proto, const char *name)
65 {
66   LWIP_PLATFORM_DIAG(("\n%s\n\t", name));
67   LWIP_PLATFORM_DIAG(("xmit: %"STAT_COUNTER_F"\n\t", proto->xmit));
68   LWIP_PLATFORM_DIAG(("recv: %"STAT_COUNTER_F"\n\t", proto->recv));
69   LWIP_PLATFORM_DIAG(("fw: %"STAT_COUNTER_F"\n\t", proto->fw));
70   LWIP_PLATFORM_DIAG(("drop: %"STAT_COUNTER_F"\n\t", proto->drop));
71   LWIP_PLATFORM_DIAG(("chkerr: %"STAT_COUNTER_F"\n\t", proto->chkerr));
72   LWIP_PLATFORM_DIAG(("lenerr: %"STAT_COUNTER_F"\n\t", proto->lenerr));
73   LWIP_PLATFORM_DIAG(("memerr: %"STAT_COUNTER_F"\n\t", proto->memerr));
74   LWIP_PLATFORM_DIAG(("rterr: %"STAT_COUNTER_F"\n\t", proto->rterr));
75   LWIP_PLATFORM_DIAG(("proterr: %"STAT_COUNTER_F"\n\t", proto->proterr));
76   LWIP_PLATFORM_DIAG(("opterr: %"STAT_COUNTER_F"\n\t", proto->opterr));
77   LWIP_PLATFORM_DIAG(("err: %"STAT_COUNTER_F"\n\t", proto->err));
78   LWIP_PLATFORM_DIAG(("cachehit: %"STAT_COUNTER_F"\n\t", proto->cachehit));
79   LWIP_PLATFORM_DIAG(("cacheMiss: %"STAT_COUNTER_F"\n\t", proto->cache_miss));
80   LWIP_PLATFORM_DIAG(("cacheFull: %"STAT_COUNTER_F"\n", proto->cache_full));
81 
82 #ifdef LWIP_IPV6
83   LWIP_PLATFORM_DIAG(("destunreachs: %"STAT_COUNTER_F"\n", proto->destunreachs));
84   LWIP_PLATFORM_DIAG(("timeexcds: %"STAT_COUNTER_F"\n", proto->timeexcds));
85   LWIP_PLATFORM_DIAG(("parmprobs: %"STAT_COUNTER_F"\n", proto->parmprobs));
86 #endif
87 
88 #if LWIP_NAT64
89   LWIP_PLATFORM_DIAG(("natfw: %"STAT_COUNTER_F"\n", proto->natfw));
90   LWIP_PLATFORM_DIAG(("natdrop: %"STAT_COUNTER_F"\n", proto->natdrop));
91 #endif
92 }
93 
94 #if IGMP_STATS || MLD6_STATS
95 void
stats_display_igmp(struct stats_igmp * igmp,const char * name)96 stats_display_igmp(struct stats_igmp *igmp, const char *name)
97 {
98   LWIP_PLATFORM_DIAG(("\n%s\n\t", name));
99   LWIP_PLATFORM_DIAG(("xmit: %"STAT_COUNTER_F"\n\t", igmp->xmit));
100   LWIP_PLATFORM_DIAG(("recv: %"STAT_COUNTER_F"\n\t", igmp->recv));
101   LWIP_PLATFORM_DIAG(("drop: %"STAT_COUNTER_F"\n\t", igmp->drop));
102   LWIP_PLATFORM_DIAG(("chkerr: %"STAT_COUNTER_F"\n\t", igmp->chkerr));
103   LWIP_PLATFORM_DIAG(("lenerr: %"STAT_COUNTER_F"\n\t", igmp->lenerr));
104   LWIP_PLATFORM_DIAG(("memerr: %"STAT_COUNTER_F"\n\t", igmp->memerr));
105   LWIP_PLATFORM_DIAG(("proterr: %"STAT_COUNTER_F"\n\t", igmp->proterr));
106   LWIP_PLATFORM_DIAG(("rx_v1: %"STAT_COUNTER_F"\n\t", igmp->rx_v1));
107   LWIP_PLATFORM_DIAG(("rx_group: %"STAT_COUNTER_F"\n\t", igmp->rx_group));
108   LWIP_PLATFORM_DIAG(("rx_general: %"STAT_COUNTER_F"\n\t", igmp->rx_general));
109   LWIP_PLATFORM_DIAG(("rx_report: %"STAT_COUNTER_F"\n\t", igmp->rx_report));
110   LWIP_PLATFORM_DIAG(("tx_join: %"STAT_COUNTER_F"\n\t", igmp->tx_join));
111   LWIP_PLATFORM_DIAG(("tx_leave: %"STAT_COUNTER_F"\n\t", igmp->tx_leave));
112   LWIP_PLATFORM_DIAG(("tx_report: %"STAT_COUNTER_F"\n", igmp->tx_report));
113 }
114 #endif /* IGMP_STATS || MLD6_STATS */
115 
116 #if MEM_STATS || MEMP_STATS
117 void
stats_display_mem(struct stats_mem * mem,const char * name)118 stats_display_mem(struct stats_mem *mem, const char *name)
119 {
120   LWIP_PLATFORM_DIAG(("\nMEM %s\n\t", name));
121   LWIP_PLATFORM_DIAG(("avail: %"MEM_SIZE_F"\n\t", mem->avail));
122   LWIP_PLATFORM_DIAG(("used: %"MEM_SIZE_F"\n\t", mem->used));
123   LWIP_PLATFORM_DIAG(("max: %"MEM_SIZE_F"\n\t", mem->max));
124   LWIP_PLATFORM_DIAG(("err: %"STAT_COUNTER_F"\n", mem->err));
125 }
126 
127 #if MEMP_STATS
128 void
stats_display_memp(struct stats_mem * mem,int idx)129 stats_display_memp(struct stats_mem *mem, int idx)
130 {
131   if (idx < MEMP_MAX) {
132     stats_display_mem(mem, mem->name);
133   }
134 }
135 #endif /* MEMP_STATS */
136 #endif /* MEM_STATS || MEMP_STATS */
137 
138 #if SYS_STATS
139 void
stats_display_sys(struct stats_sys * sys)140 stats_display_sys(struct stats_sys *sys)
141 {
142   LWIP_PLATFORM_DIAG(("\nSYS\n\t"));
143   LWIP_PLATFORM_DIAG(("sem.used:  %"STAT_COUNTER_F"\n\t", sys->sem.used));
144   LWIP_PLATFORM_DIAG(("sem.max:   %"STAT_COUNTER_F"\n\t", sys->sem.max));
145   LWIP_PLATFORM_DIAG(("sem.err:   %"STAT_COUNTER_F"\n\t", sys->sem.err));
146   LWIP_PLATFORM_DIAG(("mutex.used: %"STAT_COUNTER_F"\n\t", sys->mutex.used));
147   LWIP_PLATFORM_DIAG(("mutex.max:  %"STAT_COUNTER_F"\n\t", sys->mutex.max));
148   LWIP_PLATFORM_DIAG(("mutex.err:  %"STAT_COUNTER_F"\n\t", sys->mutex.err));
149   LWIP_PLATFORM_DIAG(("mbox.used:  %"STAT_COUNTER_F"\n\t", sys->mbox.used));
150   LWIP_PLATFORM_DIAG(("mbox.max:   %"STAT_COUNTER_F"\n\t", sys->mbox.max));
151   LWIP_PLATFORM_DIAG(("mbox.err:   %"STAT_COUNTER_F"\n", sys->mbox.err));
152 }
153 #endif /* SYS_STATS */
154 
155 void
stats_display(void)156 stats_display(void)
157 {
158   s16_t i;
159 
160   LINK_STATS_DISPLAY();
161   ETHARP_STATS_DISPLAY();
162   IPFRAG_STATS_DISPLAY();
163   IP6_FRAG_STATS_DISPLAY();
164   IP_STATS_DISPLAY();
165   ND6_STATS_DISPLAY();
166   IP6_STATS_DISPLAY();
167   DHCP6_STATS_DISPLAY();
168   IGMP_STATS_DISPLAY();
169   MLD6_STATS_DISPLAY();
170   ICMP_STATS_DISPLAY();
171   ICMP6_STATS_DISPLAY();
172   UDP_STATS_DISPLAY();
173   TCP_STATS_DISPLAY();
174   MEM_STATS_DISPLAY();
175   for (i = 0; i < MEMP_MAX; i++) {
176     MEMP_STATS_DISPLAY(i);
177   }
178   SYS_STATS_DISPLAY();
179 }
180 #endif /* LWIP_STATS_DISPLAY */
181 
182 #define VALIDATE_PARAM(para) \
183   if (para == NULL) { \
184     return ERR_ARG; \
185   }
186 
187 err_t
lwip_statsapi_get_ipv6_stats(struct stats_proto * ipv6)188 lwip_statsapi_get_ipv6_stats(struct stats_proto *ipv6)
189 {
190   VALIDATE_PARAM(ipv6);
191 
192 #if IP6_STATS
193   (void)memcpy_s(ipv6, sizeof(struct stats_proto), &lwip_stats.ip6,
194                  sizeof(struct stats_proto));
195 #endif
196 
197   return ERR_OK;
198 }
199 
200 err_t
lwip_statsapi_get_icmpv6_stats(struct stats_proto * icmpv6)201 lwip_statsapi_get_icmpv6_stats(struct stats_proto *icmpv6)
202 {
203   VALIDATE_PARAM(icmpv6);
204 
205 #if ICMP6_STATS
206   (void)memcpy_s(icmpv6, sizeof(struct stats_proto), &lwip_stats.icmp6,
207                  sizeof(struct stats_proto));
208 
209   /* Since Incase of ND6/MLD6, stats are not increased by handling function, Need to add manually. */
210 #if ND6_STATS
211   icmpv6->xmit += lwip_stats.nd6.xmit;
212 #endif
213 #if LWIP_IPV6_MLD
214   icmpv6->xmit += lwip_stats.mld6.xmit;
215 #endif
216 #endif
217 
218   return ERR_OK;
219 }
220 
221 err_t
lwip_statsapi_get_nd6_stats(struct stats_proto * nd6)222 lwip_statsapi_get_nd6_stats(struct stats_proto *nd6)
223 {
224   VALIDATE_PARAM(nd6);
225 
226 #if ND6_STATS
227   (void)memcpy_s(nd6, sizeof(struct stats_proto), &lwip_stats.nd6,
228                  sizeof(struct stats_proto));
229 #endif
230 
231   return ERR_OK;
232 }
233 
234 err_t
lwip_statsapi_get_tcp_stats(struct stats_proto * tcp)235 lwip_statsapi_get_tcp_stats(struct stats_proto *tcp)
236 {
237   VALIDATE_PARAM(tcp);
238 
239 #if TCP_STATS
240   (void)memcpy_s(tcp, sizeof(struct stats_proto), &lwip_stats.tcp,
241                  sizeof(struct stats_proto));
242 #endif
243 
244   return ERR_OK;
245 }
246 
247 err_t
lwip_statsapi_get_udp_stats(struct stats_proto * udp)248 lwip_statsapi_get_udp_stats(struct stats_proto *udp)
249 {
250   VALIDATE_PARAM(udp);
251 
252 #if UDP_STATS
253   (void)memcpy_s(udp, sizeof(struct stats_proto), &lwip_stats.udp,
254                  sizeof(struct stats_proto));
255 #endif
256 
257   return ERR_OK;
258 }
259 
260 #endif /* LWIP_STATS */
261 
262