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/*
* 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 __cplusplus
extern "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 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 xmit; /* Transmitted packets. */
STAT_COUNTER recv; /* Received 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 proterr; /* Protocol error. */
STAT_COUNTER rx_v1; /* Received v1 frames. */
STAT_COUNTER rx_group; /* Received group-specific queries. */
STAT_COUNTER rx_general; /* Received general queries. */
STAT_COUNTER rx_report; /* Received reports. */
STAT_COUNTER tx_join; /* Sent joins. */
STAT_COUNTER tx_leave; /* Sent leaves. */
STAT_COUNTER tx_report; /* Sent reports. */
};
struct stats_mem {
#ifdef LWIP_DEBUG
const char *name;
#endif /* LWIP_DEBUG */
mem_size_t avail;
mem_size_t used;
mem_size_t max;
STAT_COUNTER err;
STAT_COUNTER illegal;
};
struct stats_syselem {
STAT_COUNTER used;
STAT_COUNTER max;
STAT_COUNTER err;
};
struct stats_sys {
struct stats_syselem sem;
struct stats_syselem mutex;
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;
void stats_init(void);
#define STATS_INC(x) ++lwip_stats.x
#define STATS_DEC(x) --lwip_stats.x
#define STATS_INC_USED(x, y) do { lwip_stats.x.used += y; \
if (lwip_stats.x.max < lwip_stats.x.used) { \
lwip_stats.x.max = lwip_stats.x.used; \
} \
} while(0)
#else /* LWIP_STATS */
#define stats_init()
#define STATS_INC(x)
#define STATS_DEC(x)
#define STATS_INC_USED(x)
#endif /* LWIP_STATS */
#if TCP_STATS
#define TCP_STATS_INC(x) STATS_INC(x)
#define TCP_STATS_DISPLAY() stats_display_proto(&lwip_stats.tcp, "TCP")
#else
#define TCP_STATS_INC(x)
#define TCP_STATS_DISPLAY()
#endif
#if UDP_STATS
#define UDP_STATS_INC(x) STATS_INC(x)
#define UDP_STATS_DISPLAY() stats_display_proto(&lwip_stats.udp, "UDP")
#else
#define UDP_STATS_INC(x)
#define UDP_STATS_DISPLAY()
#endif
#if ICMP_STATS
#define ICMP_STATS_INC(x) STATS_INC(x)
#define ICMP_STATS_DISPLAY() stats_display_proto(&lwip_stats.icmp, "ICMP")
#else
#define ICMP_STATS_INC(x)
#define ICMP_STATS_DISPLAY()
#endif
#if IGMP_STATS
#define IGMP_STATS_INC(x) STATS_INC(x)
#define IGMP_STATS_DISPLAY() stats_display_igmp(&lwip_stats.igmp)
#else
#define IGMP_STATS_INC(x)
#define IGMP_STATS_DISPLAY()
#endif
#if IP_STATS
#define IP_STATS_INC(x) STATS_INC(x)
#define IP_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip, "IP")
#else
#define IP_STATS_INC(x)
#define IP_STATS_DISPLAY()
#endif
#if IPFRAG_STATS
#define IPFRAG_STATS_INC(x) STATS_INC(x)
#define IPFRAG_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip_frag, "IP_FRAG")
#else
#define IPFRAG_STATS_INC(x)
#define IPFRAG_STATS_DISPLAY()
#endif
#if ETHARP_STATS
#define ETHARP_STATS_INC(x) STATS_INC(x)
#define ETHARP_STATS_DISPLAY() stats_display_proto(&lwip_stats.etharp, "ETHARP")
#else
#define ETHARP_STATS_INC(x)
#define ETHARP_STATS_DISPLAY()
#endif
#if LINK_STATS
#define LINK_STATS_INC(x) STATS_INC(x)
#define LINK_STATS_DISPLAY() stats_display_proto(&lwip_stats.link, "LINK")
#else
#define LINK_STATS_INC(x)
#define LINK_STATS_DISPLAY()
#endif
#if MEM_STATS
#define MEM_STATS_AVAIL(x, y) lwip_stats.mem.x = y
#define MEM_STATS_INC(x) STATS_INC(mem.x)
#define MEM_STATS_INC_USED(x, y) STATS_INC_USED(mem, y)
#define MEM_STATS_DEC_USED(x, y) lwip_stats.mem.x -= y
#define MEM_STATS_DISPLAY() stats_display_mem(&lwip_stats.mem, "HEAP")
#else
#define MEM_STATS_AVAIL(x, y)
#define MEM_STATS_INC(x)
#define MEM_STATS_INC_USED(x, y)
#define MEM_STATS_DEC_USED(x, y)
#define MEM_STATS_DISPLAY()
#endif
#if MEMP_STATS
#define MEMP_STATS_AVAIL(x, i, y) lwip_stats.memp[i].x = y
#define MEMP_STATS_INC(x, i) STATS_INC(memp[i].x)
#define MEMP_STATS_DEC(x, i) STATS_DEC(memp[i].x)
#define MEMP_STATS_INC_USED(x, i) STATS_INC_USED(memp[i], 1)
#define MEMP_STATS_DISPLAY(i) stats_display_memp(&lwip_stats.memp[i], i)
#else
#define MEMP_STATS_AVAIL(x, i, y)
#define MEMP_STATS_INC(x, i)
#define MEMP_STATS_DEC(x, i)
#define MEMP_STATS_INC_USED(x, i)
#define MEMP_STATS_DISPLAY(i)
#endif
#if SYS_STATS
#define SYS_STATS_INC(x) STATS_INC(sys.x)
#define SYS_STATS_DEC(x) STATS_DEC(sys.x)
#define SYS_STATS_INC_USED(x) STATS_INC_USED(sys.x, 1)
#define SYS_STATS_DISPLAY() stats_display_sys(&lwip_stats.sys)
#else
#define SYS_STATS_INC(x)
#define SYS_STATS_DEC(x)
#define SYS_STATS_INC_USED(x)
#define SYS_STATS_DISPLAY()
#endif
/* Display of statistics */
#if LWIP_STATS_DISPLAY
void stats_display(void);
void stats_display_proto(struct stats_proto *proto, const char *name);
void stats_display_igmp(struct stats_igmp *igmp);
void stats_display_mem(struct stats_mem *mem, const char *name);
void stats_display_memp(struct stats_mem *mem, int index);
void stats_display_sys(struct stats_sys *sys);
#else /* LWIP_STATS_DISPLAY */
#define stats_display()
#define stats_display_proto(proto, name)
#define stats_display_igmp(igmp)
#define stats_display_mem(mem, name)
#define stats_display_memp(mem, index)
#define stats_display_sys(sys)
#endif /* LWIP_STATS_DISPLAY */
#ifdef __cplusplus
}
#endif
#endif /* __LWIP_STATS_H__ */
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