diff options
Diffstat (limited to 'sys/netinet/tcp_subr.c')
-rw-r--r-- | sys/netinet/tcp_subr.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c index f23a540..fe8f79a 100644 --- a/sys/netinet/tcp_subr.c +++ b/sys/netinet/tcp_subr.c @@ -268,6 +268,8 @@ VNET_DEFINE(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. @@ -2234,9 +2236,33 @@ SYSCTL_PROC(_net_inet_tcp, TCPCTL_DROP, 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; @@ -2259,10 +2285,6 @@ 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); |