#include <net/netfilter/nf_conntrack_helper.h>
#include <net/netfilter/nf_conntrack_acct.h>
#include <net/netfilter/nf_conntrack_zones.h>
+#include <net/netfilter/nf_conntrack_timestamp.h>
#include <linux/rculist_nulls.h>
MODULE_LICENSE("GPL");
struct ct_iter_state {
struct seq_net_private p;
unsigned int bucket;
+ u_int64_t time_now;
};
static struct hlist_nulls_node *ct_get_first(struct seq_file *seq)
static void *ct_seq_start(struct seq_file *seq, loff_t *pos)
__acquires(RCU)
{
+ struct ct_iter_state *st = seq->private;
+
+ st->time_now = ktime_to_ns(ktime_get_real());
rcu_read_lock();
return ct_get_idx(seq, *pos);
}
ret = security_secid_to_secctx(ct->secmark, &secctx, &len);
if (ret)
- return ret;
+ return 0;
ret = seq_printf(s, "secctx=%s ", secctx);
}
#endif
+#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
+static int ct_show_delta_time(struct seq_file *s, const struct nf_conn *ct)
+{
+ struct ct_iter_state *st = s->private;
+ struct nf_conn_tstamp *tstamp;
+ s64 delta_time;
+
+ tstamp = nf_conn_tstamp_find(ct);
+ if (tstamp) {
+ delta_time = st->time_now - tstamp->start;
+ if (delta_time > 0)
+ delta_time = div_s64(delta_time, NSEC_PER_SEC);
+ else
+ delta_time = 0;
+
+ return seq_printf(s, "delta-time=%llu ",
+ (unsigned long long)delta_time);
+ }
+ return 0;
+}
+#else
+static inline int
+ct_show_delta_time(struct seq_file *s, const struct nf_conn *ct)
+{
+ return 0;
+}
+#endif
+
/* return 0 on success, 1 in case of error */
static int ct_seq_show(struct seq_file *s, void *v)
{
goto release;
#endif
+ if (ct_show_delta_time(s, ct))
+ goto release;
+
if (seq_printf(s, "use=%u\n", atomic_read(&ct->ct_general.use)))
goto release;
ret = 0;
release:
nf_ct_put(ct);
- return 0;
+ return ret;
}
static const struct seq_operations ct_seq_ops = {