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authorBart De Schuymer <bdschuym@pandora.be>2002-07-20 16:15:39 +0000
committerBart De Schuymer <bdschuym@pandora.be>2002-07-20 16:15:39 +0000
commitce251ce4227767051ab420e57c30f25df94162be (patch)
treec754728a187db63464d1b113a7f2f3758e9b42d5 /kernel/linux/net/bridge/netfilter/ebt_mark_m.c
parent5f55bd7a921fcd13c09f99955448a80c01b2a56e (diff)
*** empty log message ***
Diffstat (limited to 'kernel/linux/net/bridge/netfilter/ebt_mark_m.c')
-rw-r--r--kernel/linux/net/bridge/netfilter/ebt_mark_m.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/kernel/linux/net/bridge/netfilter/ebt_mark_m.c b/kernel/linux/net/bridge/netfilter/ebt_mark_m.c
new file mode 100644
index 0000000..4972b09
--- /dev/null
+++ b/kernel/linux/net/bridge/netfilter/ebt_mark_m.c
@@ -0,0 +1,54 @@
+/*
+ * ebt_mark_m
+ *
+ * Authors:
+ * Bart De Schuymer <bart.de.schuymer@pandora.be>
+ *
+ * July, 2002
+ *
+ */
+
+#include <linux/netfilter_bridge/ebtables.h>
+#include <linux/netfilter_bridge/ebt_mark_m.h>
+#include <linux/module.h>
+
+static int ebt_filter_mark(const struct sk_buff *skb,
+ const struct net_device *in,
+ const struct net_device *out,
+ const void *data,
+ unsigned int datalen, const struct ebt_counter *c)
+{
+ struct ebt_mark_m_info *info = (struct ebt_mark_m_info *) data;
+
+ return !(((skb->nfmark & info->mask) == info->mark) ^ info->invert);
+}
+
+static int ebt_mark_check(const char *tablename, unsigned int hookmask,
+ const struct ebt_entry *e, void *data, unsigned int datalen)
+{
+ if (datalen != sizeof(struct ebt_mark_m_info)) {
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static struct ebt_match filter_mark =
+{
+ {NULL, NULL}, EBT_MARK_MATCH, ebt_filter_mark, ebt_mark_check, NULL,
+ THIS_MODULE
+};
+
+static int __init init(void)
+{
+ return ebt_register_match(&filter_mark);
+}
+
+static void __exit fini(void)
+{
+ ebt_unregister_match(&filter_mark);
+}
+
+module_init(init);
+module_exit(fini);
+EXPORT_NO_SYMBOLS;
+MODULE_LICENSE("GPL");