[NETFILTER]: x_tables: add xt_time match

This is ipt_time from POM-ng enhanced by the following:

 * xtables/ipv6 support
 * second granularity for daytime
 * day-of-month support (for example "match on the 15th of each month")
 * match against UTC or local timezone

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 25 insertions, 0 deletions

diff --git a/include/linux/netfilter/xt_time.h b/include/linux/netfilter/xt_time.h
new file mode 100644
index 000000000000..14b6df412c9f
--- /dev/null
+++ b/include/linux/netfilter/xt_time.h
@@ -0,0 +1,25 @@
+#ifndef _XT_TIME_H
+#define _XT_TIME_H 1
+
+struct xt_time_info {
+        u_int32_t date_start;
+        u_int32_t date_stop;
+        u_int32_t daytime_start;
+        u_int32_t daytime_stop;
+        u_int32_t monthdays_match;
+        u_int8_t weekdays_match;
+        u_int8_t flags;
+};
+
+enum {
+        /* Match against local time (instead of UTC) */
+        XT_TIME_LOCAL_TZ = 1 << 0,
+
+        /* Shortcuts */
+        XT_TIME_ALL_MONTHDAYS = 0xFFFFFFFE,
+        XT_TIME_ALL_WEEKDAYS  = 0xFE,
+        XT_TIME_MIN_DAYTIME   = 0,
+        XT_TIME_MAX_DAYTIME   = 24 * 60 * 60 - 1,
+};
+
+#endif /* _XT_TIME_H */