diff options
Diffstat (limited to 'sys/netinet/tcp_subr.c')
| -rw-r--r-- | sys/netinet/tcp_subr.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c index 16d4d92d5074..963563d36b3e 100644 --- a/sys/netinet/tcp_subr.c +++ b/sys/netinet/tcp_subr.c @@ -133,6 +133,10 @@ int tcp_do_rfc1323 = 1; SYSCTL_INT(_net_inet_tcp, TCPCTL_DO_RFC1323, rfc1323, CTLFLAG_RW, &tcp_do_rfc1323, 0, "Enable rfc1323 (high performance TCP) extensions"); +static int tcp_log_debug = 1; +SYSCTL_INT(_net_inet_tcp, OID_AUTO, log_debug, CTLFLAG_RW, + &tcp_log_debug, 0, "Log errors caused by incoming TCP segments"); + static int tcp_tcbhashsize = 0; SYSCTL_INT(_net_inet_tcp, OID_AUTO, tcbhashsize, CTLFLAG_RDTUN, &tcp_tcbhashsize, 0, "Size of TCP control-block hashtable"); @@ -2094,6 +2098,10 @@ tcp_log_addrs(struct in_conninfo *inc, struct tcphdr *th, void *ip4hdr, 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); |