netfilter: xtables: move extension arguments into compound structure (2/6)

[safe/jmp/linux-2.6] / include / linux / netfilter_bridge.h

diff --git a/include/linux/netfilter_bridge.h b/include/linux/netfilter_bridge.h
index 274fe4b..499aa93 100644 (file)
--- a/include/linux/netfilter_bridge.h
+++ b/include/linux/netfilter_bridge.h
@@ -5,9 +5,9 @@
  */
 
 #include <linux/netfilter.h>
-#if defined(__KERNEL__) && defined(CONFIG_BRIDGE_NETFILTER)
 #include <linux/if_ether.h>
-#endif
+#include <linux/if_vlan.h>
+#include <linux/if_pppox.h>
 
 /* Bridge Hooks */
 /* After promisc drops, checksum checks. */
@@ -50,34 +50,42 @@ enum nf_br_hook_priorities {
 extern int nf_bridge_copy_header(struct sk_buff *skb);
 static inline int nf_bridge_maybe_copy_header(struct sk_buff *skb)
 {
-       if (skb->nf_bridge)
+       if (skb->nf_bridge &&
+           skb->nf_bridge->mask & (BRNF_BRIDGED | BRNF_BRIDGED_DNAT))
                return nf_bridge_copy_header(skb);
        return 0;
 }
 
-/* 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
-int nf_bridge_pad(struct sk_buff *skb)
+static inline unsigned int nf_bridge_encap_header_len(const struct sk_buff *skb)
 {
-       if (skb->protocol == __constant_htons(ETH_P_IP))
+       switch (skb->protocol) {
+       case __constant_htons(ETH_P_8021Q):
+               return VLAN_HLEN;
+       case __constant_htons(ETH_P_PPP_SES):
+               return PPPOE_SES_HLEN;
+       default:
                return 0;
-       if (skb->nf_bridge) {
-               if (skb->protocol == __constant_htons(ETH_P_8021Q))
-                       return 4;
        }
+}
+
+/* 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 unsigned int nf_bridge_pad(const struct sk_buff *skb)
+{
+       if (skb->nf_bridge)
+               return nf_bridge_encap_header_len(skb);
        return 0;
 }
 
 struct bridge_skb_cb {
        union {
-               __u32 ipv4;
+               __be32 ipv4;
        } daddr;
 };
 
-extern int brnf_deferred_hooks;
 #else
 #define nf_bridge_maybe_copy_header(skb)       (0)
+#define nf_bridge_pad(skb)                     (0)
 #endif /* CONFIG_BRIDGE_NETFILTER */
 
 #endif /* __KERNEL__ */