* Chris Vitale csv@bluetail.com
*
* May 2003
- *
+ *
*/
#include <linux/netfilter_bridge/ebtables.h>
static int ebt_filter_802_3(const struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, const void *data, unsigned int datalen)
{
- struct ebt_802_3_info *info = (struct ebt_802_3_info *)data;
- struct ebt_802_3_hdr *hdr = ebt_802_3_hdr(skb);
- uint16_t type = hdr->llc.ui.ctrl & IS_UI ? hdr->llc.ui.type : hdr->llc.ni.type;
+ const struct ebt_802_3_info *info = data;
+ const struct ebt_802_3_hdr *hdr = ebt_802_3_hdr(skb);
+ __be16 type = hdr->llc.ui.ctrl & IS_UI ? hdr->llc.ui.type : hdr->llc.ni.type;
if (info->bitmask & EBT_802_3_SAP) {
- if (FWINV(info->sap != hdr->llc.ui.ssap, EBT_802_3_SAP))
+ if (FWINV(info->sap != hdr->llc.ui.ssap, EBT_802_3_SAP))
return EBT_NOMATCH;
if (FWINV(info->sap != hdr->llc.ui.dsap, EBT_802_3_SAP))
return EBT_NOMATCH;
if (info->bitmask & EBT_802_3_TYPE) {
if (!(hdr->llc.ui.dsap == CHECK_TYPE && hdr->llc.ui.ssap == CHECK_TYPE))
return EBT_NOMATCH;
- if (FWINV(info->type != type, EBT_802_3_TYPE))
+ if (FWINV(info->type != type, EBT_802_3_TYPE))
return EBT_NOMATCH;
}
static int ebt_802_3_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
{
- struct ebt_802_3_info *info = (struct ebt_802_3_info *)data;
+ const struct ebt_802_3_info *info = data;
if (datalen < sizeof(struct ebt_802_3_info))
return -EINVAL;
.me = THIS_MODULE,
};
-static int __init init(void)
+static int __init ebt_802_3_init(void)
{
return ebt_register_match(&filter_802_3);
}
-static void __exit fini(void)
+static void __exit ebt_802_3_fini(void)
{
ebt_unregister_match(&filter_802_3);
}
-module_init(init);
-module_exit(fini);
+module_init(ebt_802_3_init);
+module_exit(ebt_802_3_fini);
MODULE_LICENSE("GPL");