Author: andre
Date: Fri Aug 27 09:59:51 2010
New Revision: 211869
URL: http://svn.freebsd.org/changeset/base/211869
Log:
MFC r211462:
Untangle the net.inet.tcp.log_in_vain and net.inet.tcp.log_debug
sysctl's and remove any side effects.
Modified:
stable/7/sys/netinet/tcp_input.c
stable/7/sys/netinet/tcp_subr.c
stable/7/sys/netinet/tcp_var.h
Directory Properties:
stable/7/sys/ (props changed)
stable/7/sys/cddl/contrib/opensolaris/ (props changed)
stable/7/sys/contrib/dev/acpica/ (props changed)
stable/7/sys/contrib/pf/ (props changed)
Modified: stable/7/sys/netinet/tcp_input.c
==============================================================================
--- stable/7/sys/netinet/tcp_input.c Fri Aug 27 09:55:51 2010
(r211868)
+++ stable/7/sys/netinet/tcp_input.c Fri Aug 27 09:59:51 2010
(r211869)
@@ -462,7 +462,7 @@ findpcb:
*/
if ((tcp_log_in_vain == 1 && (thflags & TH_SYN)) ||
tcp_log_in_vain == 2) {
- if ((s = tcp_log_addrs(NULL, th, (void *)ip, ip6)))
+ if ((s = tcp_log_vain(NULL, th, (void *)ip, ip6)))
log(LOG_INFO, "%s; %s: Connection attempt "
"to closed port\n", s, __func__);
}
Modified: stable/7/sys/netinet/tcp_subr.c
==============================================================================
--- stable/7/sys/netinet/tcp_subr.c Fri Aug 27 09:55:51 2010
(r211868)
+++ stable/7/sys/netinet/tcp_subr.c Fri Aug 27 09:59:51 2010
(r211869)
@@ -235,6 +235,8 @@ uma_zone_t sack_hole_zone;
static struct inpcb *tcp_notify(struct inpcb *, int);
static void tcp_isn_tick(void *);
+static char * tcp_log_addr(struct in_conninfo *inc, struct tcphdr *th,
+ void *ip4hdr, const void *ip6hdr);
/*
* Target size of TCP PCB hash tables. Must be a power of two.
@@ -2120,9 +2122,33 @@ SYSCTL_PROC(_net_inet_tcp, TCPCTL_DROP,
* and ip6_hdr pointers have to be passed as void pointers.
*/
char *
+tcp_log_vain(struct in_conninfo *inc, struct tcphdr *th, void *ip4hdr,
+ const void *ip6hdr)
+{
+
+ /* Is logging enabled? */
+ if (tcp_log_in_vain == 0)
+ return (NULL);
+
+ return (tcp_log_addr(inc, th, ip4hdr, ip6hdr));
+}
+
+char *
tcp_log_addrs(struct in_conninfo *inc, struct tcphdr *th, void *ip4hdr,
const void *ip6hdr)
{
+
+ /* Is logging enabled? */
+ if (tcp_log_debug == 0)
+ return (NULL);
+
+ return (tcp_log_addr(inc, th, ip4hdr, ip6hdr));
+}
+
+static char *
+tcp_log_addr(struct in_conninfo *inc, struct tcphdr *th, void *ip4hdr,
+ const void *ip6hdr)
+{
char *s, *sp;
size_t size;
struct ip *ip;
@@ -2145,10 +2171,6 @@ tcp_log_addrs(struct in_conninfo *inc, s
2 * INET_ADDRSTRLEN;
#endif /* INET6 */
- /* Is logging enabled? */
- if (tcp_log_debug == 0 && tcp_log_in_vain == 0)
- return (NULL);
-
s = malloc(size, M_TCPLOG, M_ZERO|M_NOWAIT);
if (s == NULL)
return (NULL);
Modified: stable/7/sys/netinet/tcp_var.h
==============================================================================
--- stable/7/sys/netinet/tcp_var.h Fri Aug 27 09:55:51 2010
(r211868)
+++ stable/7/sys/netinet/tcp_var.h Fri Aug 27 09:59:51 2010
(r211869)
@@ -538,6 +538,8 @@ void tcp_init(void);
void tcp_fini(void *);
char *tcp_log_addrs(struct in_conninfo *, struct tcphdr *, void *,
const void *);
+char *tcp_log_vain(struct in_conninfo *, struct tcphdr *, void *,
+ const void *);
int tcp_reass(struct tcpcb *, struct tcphdr *, int *, struct mbuf *);
void tcp_reass_init(void);
void tcp_input(struct mbuf *, int);
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