mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-07 09:20:11 +00:00
remove m_pulldown statistics, which is highly experimental and does not
belong to *bsd-merged tree
This commit is contained in:
parent
60498ea783
commit
f38211642f
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=63024
@ -66,23 +66,13 @@
|
||||
* @(#)uipc_mbuf.c 8.4 (Berkeley) 2/14/95
|
||||
*/
|
||||
|
||||
#define PULLDOWN_STAT
|
||||
/*#define PULLDOWN_DEBUG*/
|
||||
|
||||
#ifdef PULLDOWN_STAT
|
||||
#include "opt_inet.h"
|
||||
#endif
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/proc.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/mbuf.h>
|
||||
#if defined(PULLDOWN_STAT) && defined(INET6)
|
||||
#include <netinet/in.h>
|
||||
#include <netinet/ip6.h>
|
||||
#include <netinet6/ip6_var.h>
|
||||
#endif
|
||||
|
||||
/*
|
||||
* ensure that [off, off + len) is contiguous on the mbuf chain "m".
|
||||
@ -103,10 +93,6 @@ m_pulldown(m, off, len, offp)
|
||||
struct mbuf *n, *o;
|
||||
int hlen, tlen, olen;
|
||||
int sharedcluster;
|
||||
#if defined(PULLDOWN_STAT) && defined(INET6)
|
||||
static struct mbuf *prev = NULL;
|
||||
int prevlen = 0, prevmlen = 0;
|
||||
#endif
|
||||
|
||||
/* check invalid arguments. */
|
||||
if (m == NULL)
|
||||
@ -116,72 +102,6 @@ m_pulldown(m, off, len, offp)
|
||||
return NULL; /* impossible */
|
||||
}
|
||||
|
||||
#if defined(PULLDOWN_STAT) && defined(INET6)
|
||||
ip6stat.ip6s_pulldown++;
|
||||
#endif
|
||||
|
||||
#if defined(PULLDOWN_STAT) && defined(INET6)
|
||||
/* statistics for m_pullup */
|
||||
ip6stat.ip6s_pullup++;
|
||||
if (off + len > MHLEN)
|
||||
ip6stat.ip6s_pullup_fail++;
|
||||
else {
|
||||
int dlen, mlen;
|
||||
|
||||
dlen = (prev == m) ? prevlen : m->m_len;
|
||||
mlen = (prev == m) ? prevmlen : m->m_len + M_TRAILINGSPACE(m);
|
||||
|
||||
if (dlen >= off + len)
|
||||
ip6stat.ip6s_pullup--; /* call will not be made! */
|
||||
else if ((m->m_flags & M_EXT) != 0) {
|
||||
ip6stat.ip6s_pullup_alloc++;
|
||||
ip6stat.ip6s_pullup_copy++;
|
||||
} else {
|
||||
if (mlen >= off + len)
|
||||
ip6stat.ip6s_pullup_copy++;
|
||||
else {
|
||||
ip6stat.ip6s_pullup_alloc++;
|
||||
ip6stat.ip6s_pullup_copy++;
|
||||
}
|
||||
}
|
||||
|
||||
prevlen = off + len;
|
||||
prevmlen = MHLEN;
|
||||
}
|
||||
|
||||
/* statistics for m_pullup2 */
|
||||
ip6stat.ip6s_pullup2++;
|
||||
if (off + len > MCLBYTES)
|
||||
ip6stat.ip6s_pullup2_fail++;
|
||||
else {
|
||||
int dlen, mlen;
|
||||
|
||||
dlen = (prev == m) ? prevlen : m->m_len;
|
||||
mlen = (prev == m) ? prevmlen : m->m_len + M_TRAILINGSPACE(m);
|
||||
prevlen = off + len;
|
||||
prevmlen = mlen;
|
||||
|
||||
if (dlen >= off + len)
|
||||
ip6stat.ip6s_pullup2--; /* call will not be made! */
|
||||
else if ((m->m_flags & M_EXT) != 0) {
|
||||
ip6stat.ip6s_pullup2_alloc++;
|
||||
ip6stat.ip6s_pullup2_copy++;
|
||||
prevmlen = (off + len > MHLEN) ? MCLBYTES : MHLEN;
|
||||
} else {
|
||||
if (mlen >= off + len)
|
||||
ip6stat.ip6s_pullup2_copy++;
|
||||
else {
|
||||
ip6stat.ip6s_pullup2_alloc++;
|
||||
ip6stat.ip6s_pullup2_copy++;
|
||||
prevmlen = (off + len > MHLEN) ? MCLBYTES
|
||||
: MHLEN;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
prev = m;
|
||||
#endif
|
||||
|
||||
#ifdef PULLDOWN_DEBUG
|
||||
{
|
||||
struct mbuf *t;
|
||||
@ -213,10 +133,6 @@ m_pulldown(m, off, len, offp)
|
||||
if ((off == 0 || offp) && len <= n->m_len - off)
|
||||
goto ok;
|
||||
|
||||
#if defined(PULLDOWN_STAT) && defined(INET6)
|
||||
ip6stat.ip6s_pulldown_copy++;
|
||||
#endif
|
||||
|
||||
/*
|
||||
* when len < n->m_len - off and off != 0, it is a special case.
|
||||
* len bytes from <n, off> sits in single mbuf, but the caller does
|
||||
@ -293,9 +209,6 @@ m_pulldown(m, off, len, offp)
|
||||
* now, we need to do the hard way. don't m_copy as there's no room
|
||||
* on both end.
|
||||
*/
|
||||
#if defined(PULLDOWN_STAT) && defined(INET6)
|
||||
ip6stat.ip6s_pulldown_alloc++;
|
||||
#endif
|
||||
MGET(o, M_DONTWAIT, m->m_type);
|
||||
if (o == NULL) {
|
||||
m_freem(m);
|
||||
|
@ -214,36 +214,30 @@ struct ip6_frag {
|
||||
* supposed to never be matched but is prepared just in case.
|
||||
*/
|
||||
|
||||
#ifdef INET6
|
||||
#define IP6_EXTHDR_STAT(x) x
|
||||
#else
|
||||
#define IP6_EXTHDR_STAT(x)
|
||||
#endif
|
||||
|
||||
#define IP6_EXTHDR_CHECK(m, off, hlen, ret) \
|
||||
do { \
|
||||
if ((m)->m_next != NULL) { \
|
||||
if (((m)->m_flags & M_LOOP) && \
|
||||
((m)->m_len < (off) + (hlen)) && \
|
||||
(((m) = m_pullup((m), (off) + (hlen))) == NULL)) { \
|
||||
IP6_EXTHDR_STAT(ip6stat.ip6s_exthdrtoolong++); \
|
||||
ip6stat.ip6s_exthdrtoolong++; \
|
||||
return ret; \
|
||||
} else if ((m)->m_flags & M_EXT) { \
|
||||
if ((m)->m_len < (off) + (hlen)) { \
|
||||
IP6_EXTHDR_STAT(ip6stat.ip6s_exthdrtoolong++); \
|
||||
ip6stat.ip6s_exthdrtoolong++; \
|
||||
m_freem(m); \
|
||||
return ret; \
|
||||
} \
|
||||
} else { \
|
||||
if ((m)->m_len < (off) + (hlen)) { \
|
||||
IP6_EXTHDR_STAT(ip6stat.ip6s_exthdrtoolong++); \
|
||||
ip6stat.ip6s_exthdrtoolong++; \
|
||||
m_freem(m); \
|
||||
return ret; \
|
||||
} \
|
||||
} \
|
||||
} else { \
|
||||
if ((m)->m_len < (off) + (hlen)) { \
|
||||
IP6_EXTHDR_STAT(ip6stat.ip6s_tooshort++); \
|
||||
ip6stat.ip6s_tooshort++; \
|
||||
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_truncated); \
|
||||
m_freem(m); \
|
||||
return ret; \
|
||||
@ -265,7 +259,6 @@ do { \
|
||||
do { \
|
||||
struct mbuf *t; \
|
||||
int tmp; \
|
||||
IP6_EXTHDR_STAT(ip6stat.ip6s_exthdrget++); \
|
||||
if ((m)->m_len >= (off) + (len)) \
|
||||
(val) = (typ)(mtod((m), caddr_t) + (off)); \
|
||||
else { \
|
||||
@ -284,7 +277,6 @@ do { \
|
||||
#define IP6_EXTHDR_GET0(val, typ, m, off, len) \
|
||||
do { \
|
||||
struct mbuf *t; \
|
||||
IP6_EXTHDR_STAT(ip6stat.ip6s_exthdrget0++); \
|
||||
if ((off) == 0) \
|
||||
(val) = (typ)mtod(m, caddr_t); \
|
||||
else { \
|
||||
|
@ -170,20 +170,6 @@ struct ip6stat {
|
||||
u_quad_t ip6s_exthdrtoolong; /* ext hdr are not continuous */
|
||||
u_quad_t ip6s_nogif; /* no match gif found */
|
||||
u_quad_t ip6s_toomanyhdr; /* discarded due to too many headers */
|
||||
/* XXX the following two items are not really AF_INET6 thing */
|
||||
u_quad_t ip6s_exthdrget; /* # of calls to IP6_EXTHDR_GET */
|
||||
u_quad_t ip6s_exthdrget0; /* # of calls to IP6_EXTHDR_GET0 */
|
||||
u_quad_t ip6s_pulldown; /* # of calls to m_pulldown */
|
||||
u_quad_t ip6s_pulldown_copy; /* # of mbuf copies in m_pulldown */
|
||||
u_quad_t ip6s_pulldown_alloc; /* # of mbuf allocs in m_pulldown */
|
||||
u_quad_t ip6s_pullup; /* # of calls to m_pullup */
|
||||
u_quad_t ip6s_pullup_copy; /* # of possible m_pullup copies */
|
||||
u_quad_t ip6s_pullup_alloc; /* # of possible m_pullup mallocs */
|
||||
u_quad_t ip6s_pullup_fail; /* # of possible m_pullup failures */
|
||||
u_quad_t ip6s_pullup2; /* # of calls to m_pullup2 */
|
||||
u_quad_t ip6s_pullup2_copy; /* # of possible m_pullup2 copies */
|
||||
u_quad_t ip6s_pullup2_alloc; /* # of possible m_pullup2 mallocs */
|
||||
u_quad_t ip6s_pullup2_fail; /* # of possible m_pullup2 failures */
|
||||
|
||||
/*
|
||||
* statistics for improvement of the source address selection
|
||||
|
Loading…
Reference in New Issue
Block a user