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slirp: Drop statistic code

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As agreed on the mailing list, there is no interest in keeping the
usually disabled slirp statistics in the tree. So this patch removes
them.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2009-06-24 14:42:29 +02:00 • committed by Anthony Liguori
parent 0d62c4cfe2
commit 0fe6a7f284
21 changed files with 6 additions and 485 deletions
Download patch file Download diff file Expand all files Collapse all files

21
slirp/ip_input.c
View file

@ -42,10 +42,6 @@
#include <osdep.h>
#include "ip_icmp.h"
#ifdef LOG_ENABLED
struct ipstat ipstat;
#endif
struct ipq ipq;
static struct ip *ip_reass(register struct ip *ip,
@ -82,24 +78,19 @@ ip_input(struct mbuf *m)
DEBUG_ARG("m = %lx", (long)m);
DEBUG_ARG("m_len = %d", m->m_len);
STAT(ipstat.ips_total++);
if (m->m_len < sizeof (struct ip)) {
STAT(ipstat.ips_toosmall++);
return;
}
ip = mtod(m, struct ip *);
if (ip->ip_v != IPVERSION) {
STAT(ipstat.ips_badvers++);
goto bad;
}
hlen = ip->ip_hl << 2;
if (hlen<sizeof(struct ip ) || hlen>m->m_len) {/* min header length */
STAT(ipstat.ips_badhlen++); /* or packet too short */
goto bad;
goto bad; /* or packet too short */
}
/* keep ip header intact for ICMP reply
@ -107,7 +98,6 @@ ip_input(struct mbuf *m)
* if (ip->ip_sum) {
*/
if(cksum(m,hlen)) {
STAT(ipstat.ips_badsum++);
goto bad;
}
@ -116,7 +106,6 @@ ip_input(struct mbuf *m)
*/
NTOHS(ip->ip_len);
if (ip->ip_len < hlen) {
STAT(ipstat.ips_badlen++);
goto bad;
}
NTOHS(ip->ip_id);
@ -129,7 +118,6 @@ ip_input(struct mbuf *m)
* Drop packet if shorter than we expect.
*/
if (m->m_len < ip->ip_len) {
STAT(ipstat.ips_tooshort++);
goto bad;
}
@ -210,11 +198,9 @@ ip_input(struct mbuf *m)
* attempt reassembly; if it succeeds, proceed.
*/
if (ip->ip_tos & 1 || ip->ip_off) {
STAT(ipstat.ips_fragments++);
ip = ip_reass(ip, fp);
if (ip == NULL)
return;
STAT(ipstat.ips_reassembled++);
m = dtom(ip);
} else
if (fp)
@ -226,7 +212,6 @@ ip_input(struct mbuf *m)
/*
* Switch out to protocol's input routine.
*/
STAT(ipstat.ips_delivered++);
switch (ip->ip_p) {
case IPPROTO_TCP:
tcp_input(m, hlen, (struct socket *)NULL);
@ -238,7 +223,6 @@ ip_input(struct mbuf *m)
icmp_input(m, hlen);
break;
default:
STAT(ipstat.ips_noproto++);
m_free(m);
}
return;
@ -399,7 +383,6 @@ insert:
return ip;
dropfrag:
STAT(ipstat.ips_fragdropped++);
m_freem(m);
return NULL;
}
@ -468,7 +451,6 @@ ip_slowtimo(void)
struct ipq *fp = container_of(l, struct ipq, ip_link);
l = l->next;
if (--fp->ipq_ttl == 0) {
STAT(ipstat.ips_fragtimeout++);
ip_freef(fp);
}
}
@ -671,7 +653,6 @@ typedef u_int32_t n_time;
bad:
icmp_error(m, type, code, 0, 0);
STAT(ipstat.ips_badoptions++);
return (1);
}