netfilter: move nf_bridge_frag_data struct definition to a more appropriate header.

There is a struct definition function in nf_conntrack_bridge.h which is
not specific to conntrack and is used elswhere in netfilter.  Move it
into netfilter_bridge.h.

Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

net/bridge/netfilter/nf_conntrack_bridge.c

@@ -26,9 +26,9 @@
  */
 static int nf_br_ip_fragment(struct net *net, struct sock *sk,
 			     struct sk_buff *skb,
-			     struct nf_ct_bridge_frag_data *data,
+			     struct nf_bridge_frag_data *data,
 			     int (*output)(struct net *, struct sock *sk,
-					   const struct nf_ct_bridge_frag_data *data,
+					   const struct nf_bridge_frag_data *data,
 					   struct sk_buff *))
 {
 	int frag_max_size = BR_INPUT_SKB_CB(skb)->frag_max_size;
@@ -278,7 +278,7 @@ static unsigned int nf_ct_bridge_pre(void *priv, struct sk_buff *skb,
 }
 
 static void nf_ct_bridge_frag_save(struct sk_buff *skb,
-				   struct nf_ct_bridge_frag_data *data)
+				   struct nf_bridge_frag_data *data)
 {
 	if (skb_vlan_tag_present(skb)) {
 		data->vlan_present = true;
@@ -293,10 +293,10 @@ static void nf_ct_bridge_frag_save(struct sk_buff *skb,
 static unsigned int
 nf_ct_bridge_refrag(struct sk_buff *skb, const struct nf_hook_state *state,
 		    int (*output)(struct net *, struct sock *sk,
-				  const struct nf_ct_bridge_frag_data *data,
+				  const struct nf_bridge_frag_data *data,
 				  struct sk_buff *))
 {
-	struct nf_ct_bridge_frag_data data;
+	struct nf_bridge_frag_data data;
 
 	if (!BR_INPUT_SKB_CB(skb)->frag_max_size)
 		return NF_ACCEPT;
@@ -319,7 +319,7 @@ nf_ct_bridge_refrag(struct sk_buff *skb, const struct nf_hook_state *state,
 
 /* Actually only slow path refragmentation needs this. */
 static int nf_ct_bridge_frag_restore(struct sk_buff *skb,
-				     const struct nf_ct_bridge_frag_data *data)
+				     const struct nf_bridge_frag_data *data)
 {
 	int err;
 
@@ -340,7 +340,7 @@ static int nf_ct_bridge_frag_restore(struct sk_buff *skb,
 }
 
 static int nf_ct_bridge_refrag_post(struct net *net, struct sock *sk,
-				    const struct nf_ct_bridge_frag_data *data,
+				    const struct nf_bridge_frag_data *data,
 				    struct sk_buff *skb)
 {
 	int err;