/* * Copyright (c) 2001-2004 Swedish Institute of Computer Science. * All rights reserved.  *  * Redistribution and use in source and binary forms, with or without modification,  * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, *    this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, *    this list of conditions and the following disclaimer in the documentation *    and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products *    derived from this software without specific prior written permission.  * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY  * OF SUCH DAMAGE. * * This file is part of the lwIP TCP/IP stack. *  * Author: Adam Dunkels <adam@sics.se> * */#ifndef __LWIP_STATS_H__#define __LWIP_STATS_H__#include "lwip/opt.h"#include "lwip/mem.h"#include "lwip/memp.h"#ifdef __cplusplusextern "C" {#endif#if LWIP_STATS#ifndef LWIP_STATS_LARGE#define LWIP_STATS_LARGE 0#endif#if LWIP_STATS_LARGE#define STAT_COUNTER     u32_t#define STAT_COUNTER_F   U32_F#else#define STAT_COUNTER     u16_t#define STAT_COUNTER_F   U16_F#endif struct stats_proto {  STAT_COUNTER xmit;             /* Transmitted packets. */  STAT_COUNTER rexmit;           /* Retransmitted packets. */  STAT_COUNTER recv;             /* Received packets. */  STAT_COUNTER fw;               /* Forwarded packets. */  STAT_COUNTER drop;             /* Dropped packets. */  STAT_COUNTER chkerr;           /* Checksum error. */  STAT_COUNTER lenerr;           /* Invalid length error. */  STAT_COUNTER memerr;           /* Out of memory error. */  STAT_COUNTER rterr;            /* Routing error. */  STAT_COUNTER proterr;          /* Protocol error. */  STAT_COUNTER opterr;           /* Error in options. */  STAT_COUNTER err;              /* Misc error. */  STAT_COUNTER cachehit;};struct stats_igmp {  STAT_COUNTER lenerr;           /* Invalid length error. */  STAT_COUNTER chkerr;           /* Checksum error. */  STAT_COUNTER v1_rxed;          /* */  STAT_COUNTER join_sent;        /* */  STAT_COUNTER leave_sent;       /* */  STAT_COUNTER unicast_query;    /* */  STAT_COUNTER report_sent;      /* */  STAT_COUNTER report_rxed;      /* */  STAT_COUNTER group_query_rxed; /* */};struct stats_mem {  mem_size_t avail;  mem_size_t used;  mem_size_t max;  mem_size_t err;};struct stats_syselem {  STAT_COUNTER used;  STAT_COUNTER max;  STAT_COUNTER err;};struct stats_sys {  struct stats_syselem sem;  struct stats_syselem mbox;};struct stats_ {#if LINK_STATS  struct stats_proto link;#endif#if ETHARP_STATS  struct stats_proto etharp;#endif#if IPFRAG_STATS  struct stats_proto ip_frag;#endif#if IP_STATS  struct stats_proto ip;#endif#if ICMP_STATS  struct stats_proto icmp;#endif#if IGMP_STATS  struct stats_igmp igmp;#endif#if UDP_STATS  struct stats_proto udp;#endif#if TCP_STATS  struct stats_proto tcp;#endif#if MEM_STATS  struct stats_mem mem;#endif#if MEMP_STATS  struct stats_mem memp[MEMP_MAX];#endif#if SYS_STATS  struct stats_sys sys;#endif};extern struct stats_ lwip_stats;#define stats_init() /* Compatibility define, not init needed. */#define STATS_INC(x) ++lwip_stats.x#else#define stats_init()#define STATS_INC(x)#endif /* LWIP_STATS */#if TCP_STATS#define TCP_STATS_INC(x) STATS_INC(x)#else#define TCP_STATS_INC(x)#endif#if UDP_STATS#define UDP_STATS_INC(x) STATS_INC(x)#else#define UDP_STATS_INC(x)#endif#if ICMP_STATS#define ICMP_STATS_INC(x) STATS_INC(x)#else#define ICMP_STATS_INC(x)#endif#if IGMP_STATS#define IGMP_STATS_INC(x) STATS_INC(x)#else#define IGMP_STATS_INC(x)#endif#if IP_STATS#define IP_STATS_INC(x) STATS_INC(x)#else#define IP_STATS_INC(x)#endif#if IPFRAG_STATS#define IPFRAG_STATS_INC(x) STATS_INC(x)#else#define IPFRAG_STATS_INC(x)#endif#if ETHARP_STATS#define ETHARP_STATS_INC(x) STATS_INC(x)#else#define ETHARP_STATS_INC(x)#endif#if LINK_STATS#define LINK_STATS_INC(x) STATS_INC(x)#else#define LINK_STATS_INC(x)#endif/* Display of statistics */#if LWIP_STATS_DISPLAYvoid stats_display(void);#else#define stats_display()#endif /* LWIP_STATS_DISPLAY */#ifdef __cplusplus}#endif#endif /* __LWIP_STATS_H__ */