/* *  ebt_pkttype * *	Authors: *	Bart De Schuymer <bdschuym@pandora.be> * *  April, 2003 * */#include <linux/netfilter_bridge/ebtables.h>#include <linux/netfilter_bridge/ebt_pkttype.h>#include <linux/module.h>static int ebt_filter_pkttype(const struct sk_buff *skb,   const struct net_device *in,   const struct net_device *out,   const void *data,   unsigned int datalen){	struct ebt_pkttype_info *info = (struct ebt_pkttype_info *)data;	return (skb->pkt_type != info->pkt_type) ^ info->invert;}static int ebt_pkttype_check(const char *tablename, unsigned int hookmask,   const struct ebt_entry *e, void *data, unsigned int datalen){	struct ebt_pkttype_info *info = (struct ebt_pkttype_info *)data;	if (datalen != EBT_ALIGN(sizeof(struct ebt_pkttype_info)))		return -EINVAL;	if (info->invert != 0 && info->invert != 1)		return -EINVAL;	/* Allow any pkt_type value */	return 0;}static struct ebt_match filter_pkttype ={	.name		= EBT_PKTTYPE_MATCH,	.match		= ebt_filter_pkttype,	.check		= ebt_pkttype_check,	.me		= THIS_MODULE,};static int __init init(void){	return ebt_register_match(&filter_pkttype);}static void __exit fini(void){	ebt_unregister_match(&filter_pkttype);}module_init(init);module_exit(fini);MODULE_LICENSE("GPL");