/* bridge-specific defines for netfilter.
*/
+#include <linux/config.h>
#include <linux/netfilter.h>
#if defined(__KERNEL__) && defined(CONFIG_BRIDGE_NETFILTER)
+#include <asm/atomic.h>
#include <linux/if_ether.h>
#endif
#define BRNF_BRIDGED 0x08
#define BRNF_NF_BRIDGE_PREROUTING 0x10
+static inline
+struct nf_bridge_info *nf_bridge_alloc(struct sk_buff *skb)
+{
+ struct nf_bridge_info **nf_bridge = &(skb->nf_bridge);
+
+ if ((*nf_bridge = kmalloc(sizeof(**nf_bridge), GFP_ATOMIC)) != NULL) {
+ atomic_set(&(*nf_bridge)->use, 1);
+ (*nf_bridge)->mask = 0;
+ (*nf_bridge)->physindev = (*nf_bridge)->physoutdev = NULL;
+#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
+ (*nf_bridge)->netoutdev = NULL;
+#endif
+ }
+
+ return *nf_bridge;
+}
/* Only used in br_forward.c */
-static inline
-int nf_bridge_maybe_copy_header(struct sk_buff *skb)
+static inline int nf_bridge_maybe_copy_header(struct sk_buff *skb)
{
int err;
return 0;
}
+static inline
+void nf_bridge_save_header(struct sk_buff *skb)
+{
+ int header_size = 16;
+
+ if (skb->protocol == __constant_htons(ETH_P_8021Q))
+ header_size = 18;
+
+ memcpy(skb->nf_bridge->data, skb->data - header_size, header_size);
+}
+
/* This is called by the IP fragmenting code and it ensures there is
* enough room for the encapsulating header (if there is one). */
static inline
__u32 ipv4;
} daddr;
};
-
-extern int brnf_deferred_hooks;
#endif /* CONFIG_BRIDGE_NETFILTER */
#endif /* __KERNEL__ */