#include "hash.h"
#include <linux/if_arp.h>
+#include <linux/netfilter_bridge.h>
#define MIN(x, y) ((x) < (y) ? (x) : (y))
return NOTIFY_DONE;
}
+static int batman_skb_recv_finish(struct sk_buff *skb)
+{
+ return NF_ACCEPT;
+}
+
/* receive a packet with the batman ethertype coming on a hard
* interface */
int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
if (atomic_read(&module_state) != MODULE_ACTIVE)
goto err_free;
+ /* if netfilter/ebtables wants to block incoming batman
+ * packets then give them a chance to do so here */
+ ret = NF_HOOK(PF_BRIDGE, NF_BR_LOCAL_IN, skb, dev, NULL,
+ batman_skb_recv_finish);
+ if (ret != 1)
+ goto err_out;
+
/* packet should hold at least type and version */
if (unlikely(skb_headlen(skb) < 2))
goto err_free;
return NET_RX_DROP;
}
-
struct notifier_block hard_if_notifier = {
.notifier_call = hard_if_event,
};