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Introduced ETHARP_STATS

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This commit is contained in:
goldsimon 2007-11-28 21:25:06 +00:00
parent 4a01122fb7
commit 1b07fecbf3
5 changed files with 39 additions and 7 deletions
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3
CHANGELOG
View File

@ -19,6 +19,9 @@ HISTORY
++ New features:
2007-11-28 Simon Goldschmidt
* etharp.c, stats.c, stats.h, opt.h: Introduced ETHARP_STATS
2007-11-25 Simon Goldschmidt
* dhcp.c: dhcp_unfold_reply() uses pbuf_copy_partial instead of its own copy
algorithm.

4
src/core/stats.c
View File

@ -91,7 +91,6 @@ stats_display_mem(struct stats_mem *mem, char *name)
LWIP_PLATFORM_DIAG(("used: %"MEM_SIZE_F"\n\t", mem->used));
LWIP_PLATFORM_DIAG(("max: %"MEM_SIZE_F"\n\t", mem->max));
LWIP_PLATFORM_DIAG(("err: %"MEM_SIZE_F"\n", mem->err));
}
void
@ -107,6 +106,9 @@ stats_display(void)
#if LINK_STATS
stats_display_proto(&lwip_stats.link, "LINK");
#endif
#if ETHARP_STATS
stats_display_proto(&lwip_stats.etharp, "ETHARP");
#endif
#if IPFRAG_STATS
stats_display_proto(&lwip_stats.ip_frag, "IP_FRAG");
#endif

7
src/include/lwip/opt.h
View File

@ -1007,6 +1007,13 @@
#define LINK_STATS 1
#endif
/**
* ETHARP_STATS==1: Enable etharp stats.
*/
#ifndef ETHARP_STATS
#define ETHARP_STATS (LWIP_ARP)
#endif
/**
* IP_STATS==1: Enable IP stats.
*/

9
src/include/lwip/stats.h
View File

@ -105,6 +105,9 @@ 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
@ -180,6 +183,12 @@ extern struct stats_ lwip_stats;
#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

23
src/netif/etharp.c
View File

@ -251,6 +251,7 @@ find_entry(struct ip_addr *ipaddr, u8_t flags)
/* the per-pcb-cached entry is stable */
if (ip_addr_cmp(ipaddr, &arp_table[per_pcb_cache].ipaddr)) {
/* per-pcb cached entry was the right one! */
ETHARP_STATS_INC(etharp.cachehit);
return per_pcb_cache;
}
}
@ -260,6 +261,7 @@ find_entry(struct ip_addr *ipaddr, u8_t flags)
/* the cached entry is stable */
if (ip_addr_cmp(ipaddr, &arp_table[etharp_cached_entry].ipaddr)) {
/* cached entry was the right one! */
ETHARP_STATS_INC(etharp.cachehit);
return etharp_cached_entry;
}
}
@ -624,6 +626,8 @@ etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, struct pbuf *p)
since a struct etharp_hdr is pointed to p->payload, so it musn't be chained! */
if (p->len < sizeof(struct etharp_hdr)) {
LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | 1, ("etharp_arp_input: packet dropped, too short (%"S16_F"/%"S16_F")\n", p->tot_len, (s16_t)sizeof(struct etharp_hdr)));
ETHARP_STATS_INC(etharp.lenerr);
ETHARP_STATS_INC(etharp.drop);
pbuf_free(p);
return;
}
@ -638,15 +642,17 @@ etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, struct pbuf *p)
LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | 1,
("etharp_arp_input: packet dropped, wrong hw type, hwlen, proto, protolen or ethernet type (%"U16_F"/%"U16_F"/%"U16_F"/%"U16_F"/%"U16_F")\n",
hdr->hwtype, ARPH_HWLEN(hdr), hdr->proto, ARPH_PROTOLEN(hdr), hdr->ethhdr.type));
ETHARP_STATS_INC(etharp.proterr);
ETHARP_STATS_INC(etharp.drop);
pbuf_free(p);
return;
}
ETHARP_STATS_INC(etharp.recv);
#if LWIP_AUTOIP
/* We have to check if a host already has configured our random
* created link local address and continously check if there is
* a host with this IP-address so we can detect collisions
* */
* a host with this IP-address so we can detect collisions */
autoip_arp_reply(netif, hdr);
#endif /* LWIP_AUTOIP */
@ -728,13 +734,13 @@ etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, struct pbuf *p)
/* DHCP wants to know about ARP replies from any host with an
* IP address also offered to us by the DHCP server. We do not
* want to take a duplicate IP address on a single network.
* @todo How should we handle redundant (fail-over) interfaces?
* */
* @todo How should we handle redundant (fail-over) interfaces? */
dhcp_arp_reply(netif, &sipaddr);
#endif
break;
default:
LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: ARP unknown opcode type %"S16_F"\n", htons(hdr->opcode)));
ETHARP_STATS_INC(etharp.err);
break;
}
/* free ARP packet */
@ -742,7 +748,7 @@ etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, struct pbuf *p)
}
/**
* Resolve and fill-in Ethernet address header for outgoing packet.
* Resolve and fill-in Ethernet address header for outgoing IP packet.
*
* For IP multicast and broadcast, corresponding Ethernet addresses
* are selected and the packet is transmitted on the link.
@ -874,8 +880,10 @@ etharp_query(struct netif *netif, struct ip_addr *ipaddr, struct pbuf *q)
/* could not find or create entry? */
if (i < 0) {
LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: could not create ARP entry\n"));
if (q)
if (q) {
LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: packet dropped\n"));
ETHARP_STATS_INC(etharp.memerr);
}
return (err_t)i;
}
@ -969,6 +977,7 @@ etharp_query(struct netif *netif, struct ip_addr *ipaddr, struct pbuf *q)
/* { result == ERR_MEM } through initialization */
}
} else {
ETHARP_STATS_INC(etharp.memerr);
LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: could not queue a copy of PBUF_REF packet %p (out of memory)\n", (void *)q));
/* { result == ERR_MEM } through initialization */
}
@ -1017,6 +1026,7 @@ etharp_raw(struct netif *netif, const struct eth_addr *ethsrc_addr,
/* could allocate a pbuf for an ARP request? */
if (p == NULL) {
LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | 2, ("etharp_raw: could not allocate pbuf for ARP request.\n"));
ETHARP_STATS_INC(etharp.memerr);
return ERR_MEM;
}
LWIP_ASSERT("check that first pbuf can hold struct etharp_hdr",
@ -1050,6 +1060,7 @@ etharp_raw(struct netif *netif, const struct eth_addr *ethsrc_addr,
hdr->ethhdr.type = htons(ETHTYPE_ARP);
/* send ARP query */
result = netif->linkoutput(netif, p);
ETHARP_STATS_INC(etharp.xmit);
/* free ARP query packet */
pbuf_free(p);
p = NULL;