diff options
Diffstat (limited to 'net/netfilter/xt_TRACE.c')
-rw-r--r-- | net/netfilter/xt_TRACE.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/net/netfilter/xt_TRACE.c b/net/netfilter/xt_TRACE.c new file mode 100644 index 000000000..df48967af --- /dev/null +++ b/net/netfilter/xt_TRACE.c @@ -0,0 +1,40 @@ +/* This is a module which is used to mark packets for tracing. + */ +#include <linux/module.h> +#include <linux/skbuff.h> + +#include <linux/netfilter/x_tables.h> + +MODULE_DESCRIPTION("Xtables: packet flow tracing"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("ipt_TRACE"); +MODULE_ALIAS("ip6t_TRACE"); + +static unsigned int +trace_tg(struct sk_buff *skb, const struct xt_action_param *par) +{ + skb->nf_trace = 1; + return XT_CONTINUE; +} + +static struct xt_target trace_tg_reg __read_mostly = { + .name = "TRACE", + .revision = 0, + .family = NFPROTO_UNSPEC, + .table = "raw", + .target = trace_tg, + .me = THIS_MODULE, +}; + +static int __init trace_tg_init(void) +{ + return xt_register_target(&trace_tg_reg); +} + +static void __exit trace_tg_exit(void) +{ + xt_unregister_target(&trace_tg_reg); +} + +module_init(trace_tg_init); +module_exit(trace_tg_exit); |