diff options
author | Bart De Schuymer <bdschuym@pandora.be> | 2002-07-20 16:15:39 +0000 |
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committer | Bart De Schuymer <bdschuym@pandora.be> | 2002-07-20 16:15:39 +0000 |
commit | ce251ce4227767051ab420e57c30f25df94162be (patch) | |
tree | c754728a187db63464d1b113a7f2f3758e9b42d5 /kernel/linux/net/bridge/netfilter/ebt_mark_m.c | |
parent | 5f55bd7a921fcd13c09f99955448a80c01b2a56e (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.c | 54 |
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"); |