[NETFILTER]: nf_queue: move queueing related functions/struct to seperate header

Signed-off-by: Patrick McHardy <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: kaber

include/linux/netfilter.h

@@ -101,19 +101,6 @@ struct nf_sockopt_ops
 	struct module *owner;
 };
 
-/* Each queued (to userspace) skbuff has one of these. */
-struct nf_info
-{
-	/* The ops struct which sent us to userspace. */
-	struct nf_hook_ops *elem;
-	
-	/* If we're sent to userspace, this keeps housekeeping info */
-	int pf;
-	unsigned int hook;
-	struct net_device *indev, *outdev;
-	int (*okfn)(struct sk_buff *);
-};
-                                                                                
 /* Function to register/unregister hook points. */
 int nf_register_hook(struct nf_hook_ops *reg);
 void nf_unregister_hook(struct nf_hook_ops *reg);
@@ -274,21 +261,6 @@ int compat_nf_setsockopt(struct sock *sk, int pf, int optval,
 int compat_nf_getsockopt(struct sock *sk, int pf, int optval,
 		char __user *opt, int *len);
 
-/* Packet queuing */
-struct nf_queue_handler {
-	int (*outfn)(struct sk_buff *skb, struct nf_info *info,
-		     unsigned int queuenum);
-	char *name;
-};
-extern int nf_register_queue_handler(int pf,
-				     const struct nf_queue_handler *qh);
-extern int nf_unregister_queue_handler(int pf,
-				       const struct nf_queue_handler *qh);
-extern void nf_unregister_queue_handlers(const struct nf_queue_handler *qh);
-extern void nf_reinject(struct sk_buff *skb,
-			struct nf_info *info,
-			unsigned int verdict);
-
 /* FIXME: Before cache is ever used, this must be implemented for real. */
 extern void nf_invalidate_cache(int pf);
 
@@ -298,6 +270,8 @@ extern void nf_invalidate_cache(int pf);
 extern int skb_make_writable(struct sk_buff *skb, unsigned int writable_len);
 
 struct flowi;
+struct nf_info;
+
 struct nf_afinfo {
 	unsigned short	family;
 	__sum16		(*checksum)(struct sk_buff *skb, unsigned int hook,
@@ -334,8 +308,6 @@ nf_checksum(struct sk_buff *skb, unsigned int hook, unsigned int dataoff,
 extern int nf_register_afinfo(struct nf_afinfo *afinfo);
 extern void nf_unregister_afinfo(struct nf_afinfo *afinfo);
 
-#define nf_info_reroute(x) ((void *)x + sizeof(struct nf_info))
-
 #include <net/flow.h>
 extern void (*ip_nat_decode_session)(struct sk_buff *, struct flowi *);
 

include/net/netfilter/nf_queue.h

@@ -0,0 +1,32 @@
+#ifndef _NF_QUEUE_H
+#define _NF_QUEUE_H
+
+/* Each queued (to userspace) skbuff has one of these. */
+struct nf_info {
+	struct nf_hook_ops	*elem;
+	int			pf;
+	unsigned int		hook;
+	struct net_device	*indev;
+	struct net_device	*outdev;
+	int			(*okfn)(struct sk_buff *);
+};
+
+#define nf_info_reroute(x) ((void *)x + sizeof(struct nf_info))
+
+/* Packet queuing */
+struct nf_queue_handler {
+	int			(*outfn)(struct sk_buff *skb,
+					 struct nf_info *info,
+					 unsigned int queuenum);
+	char			*name;
+};
+
+extern int nf_register_queue_handler(int pf,
+				     const struct nf_queue_handler *qh);
+extern int nf_unregister_queue_handler(int pf,
+				       const struct nf_queue_handler *qh);
+extern void nf_unregister_queue_handlers(const struct nf_queue_handler *qh);
+extern void nf_reinject(struct sk_buff *skb, struct nf_info *info,
+			unsigned int verdict);
+
+#endif /* _NF_QUEUE_H */

net/ipv4/netfilter.c

@@ -7,6 +7,7 @@
 #include <net/route.h>
 #include <net/xfrm.h>
 #include <net/ip.h>
+#include <net/netfilter/nf_queue.h>
 
 /* route_me_harder function, used by iptable_nat, iptable_mangle + ip_queue */
 int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)

net/ipv4/netfilter/ip_queue.c

@@ -28,6 +28,7 @@
 #include <net/net_namespace.h>
 #include <net/sock.h>
 #include <net/route.h>
+#include <net/netfilter/nf_queue.h>
 
 #define IPQ_QMAX_DEFAULT 1024
 #define IPQ_PROC_FS_NAME "ip_queue"

net/ipv6/netfilter.c

@@ -8,6 +8,7 @@
 #include <net/ip6_route.h>
 #include <net/xfrm.h>
 #include <net/ip6_checksum.h>
+#include <net/netfilter/nf_queue.h>
 
 int ip6_route_me_harder(struct sk_buff *skb)
 {

net/ipv6/netfilter/ip6_queue.c

@@ -29,6 +29,7 @@
 #include <net/sock.h>
 #include <net/ipv6.h>
 #include <net/ip6_route.h>
+#include <net/netfilter/nf_queue.h>
 #include <linux/netfilter_ipv4/ip_queue.h>
 #include <linux/netfilter_ipv4/ip_tables.h>
 #include <linux/netfilter_ipv6/ip6_tables.h>

net/netfilter/nf_queue.c

@@ -7,6 +7,7 @@
 #include <linux/seq_file.h>
 #include <linux/rcupdate.h>
 #include <net/protocol.h>
+#include <net/netfilter/nf_queue.h>
 
 #include "nf_internals.h"
 

net/netfilter/nfnetlink_queue.c

@@ -27,6 +27,7 @@
 #include <linux/netfilter/nfnetlink_queue.h>
 #include <linux/list.h>
 #include <net/sock.h>
+#include <net/netfilter/nf_queue.h>
 
 #include <asm/atomic.h>