1 files changed, 91 insertions, 0 deletions
diff --git a/tools/remus/imqebt/include/linux/netfilter_bridge.h b/tools/remus/imqebt/include/linux/netfilter_bridge.h
new file mode 100644
index 0000000000..cd3f538ae1
--- /dev/null
+++ b/tools/remus/imqebt/include/linux/netfilter_bridge.h
@@ -0,0 +1,91 @@
+#ifndef __LINUX_BRIDGE_NETFILTER_H
+#define __LINUX_BRIDGE_NETFILTER_H
+
+/* bridge-specific defines for netfilter.
+ */
+
+/* Bridge Hooks */
+/* After promisc drops, checksum checks. */
+#define NF_BR_PRE_ROUTING      0
+/* If the packet is destined for this box. */
+#define NF_BR_LOCAL_IN         1
+/* If the packet is destined for another interface. */
+#define NF_BR_FORWARD          2
+/* Packets coming from a local process. */
+#define NF_BR_LOCAL_OUT                3
+/* Packets about to hit the wire. */
+#define NF_BR_POST_ROUTING     4
+/* Not really a hook, but used for the ebtables broute table */
+#define NF_BR_BROUTING         5
+#define NF_BR_NUMHOOKS         6
+
+#ifdef __KERNEL__
+#include <linux/netfilter.h>
+#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
+#include <linux/if_pppox.h>
+
+enum nf_br_hook_priorities {
+       NF_BR_PRI_FIRST = INT_MIN,
+       NF_BR_PRI_NAT_DST_BRIDGED = -300,
+       NF_BR_PRI_FILTER_BRIDGED = -200,
+       NF_BR_PRI_BRNF = 0,
+       NF_BR_PRI_NAT_DST_OTHER = 100,
+       NF_BR_PRI_FILTER_OTHER = 200,
+       NF_BR_PRI_NAT_SRC = 300,
+       NF_BR_PRI_LAST = INT_MAX,
+};
+
+#ifdef CONFIG_BRIDGE_NETFILTER
+
+#define BRNF_PKT_TYPE                  0x01
+#define BRNF_BRIDGED_DNAT              0x02
+#define BRNF_DONT_TAKE_PARENT          0x04
+#define BRNF_BRIDGED                   0x08
+#define BRNF_NF_BRIDGE_PREROUTING      0x10
+
+
+/* Only used in br_forward.c */
+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 &&
+           skb->nf_bridge->mask & (BRNF_BRIDGED | BRNF_BRIDGED_DNAT))
+               return nf_bridge_copy_header(skb);
+       return 0;
+}
+
+static inline unsigned int nf_bridge_encap_header_len(const struct sk_buff *skb)
+{
+       switch (skb->protocol) {
+       case __cpu_to_be16(ETH_P_8021Q):
+               return VLAN_HLEN;
+       case __cpu_to_be16(ETH_P_PPP_SES):
+               return PPPOE_SES_HLEN;
+       default:
+               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 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 {
+               __be32 ipv4;
+       } daddr;
+};
+
+#else
+#define nf_bridge_maybe_copy_header(skb)       (0)
+#define nf_bridge_pad(skb)                     (0)
+#endif /* CONFIG_BRIDGE_NETFILTER */
+
+#endif /* __KERNEL__ */
+#endif