19 files changed, 257 insertions, 48 deletions

diff --git a/include/net/atmclip.h b/include/net/atmclip.h
index 47048b1d179a..90fcc98e676f 100644
--- a/include/net/atmclip.h
+++ b/include/net/atmclip.h
@@ -7,7 +7,6 @@
 #define _ATMCLIP_H
 
 #include <linux/netdevice.h>
-#include <linux/skbuff.h>
 #include <linux/atm.h>
 #include <linux/atmdev.h>
 #include <linux/atmarp.h>
@@ -18,6 +17,7 @@
 #define CLIP_VCC(vcc) ((struct clip_vcc *) ((vcc)->user_back))
 #define NEIGH2ENTRY(neigh) ((struct atmarp_entry *) (neigh)->primary_key)
 
+struct sk_buff;
 
 struct clip_vcc {
 	struct atm_vcc	*vcc;		/* VCC descriptor */
diff --git a/include/net/dst.h b/include/net/dst.h
index 6c196a5baf24..bee8b84d329d 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -9,6 +9,7 @@
 #define _NET_DST_H
 
 #include <linux/config.h>
+#include <linux/netdevice.h>
 #include <linux/rtnetlink.h>
 #include <linux/rcupdate.h>
 #include <linux/jiffies.h>
diff --git a/include/net/icmp.h b/include/net/icmp.h
index 6cdebeee5f96..e7c3f20fbafc 100644
--- a/include/net/icmp.h
+++ b/include/net/icmp.h
@@ -20,12 +20,9 @@
 
 #include <linux/config.h>
 #include <linux/icmp.h>
-#include <linux/skbuff.h>
 
-#include <net/sock.h>
-#include <net/protocol.h>
+#include <net/inet_sock.h>
 #include <net/snmp.h>
-#include <linux/ip.h>
 
 struct icmp_err {
   int		errno;
@@ -38,6 +35,10 @@ DECLARE_SNMP_STAT(struct icmp_mib, icmp_statistics);
 #define ICMP_INC_STATS_BH(field)	SNMP_INC_STATS_BH(icmp_statistics, field)
 #define ICMP_INC_STATS_USER(field) 	SNMP_INC_STATS_USER(icmp_statistics, field)
 
+struct dst_entry;
+struct net_proto_family;
+struct sk_buff;
+
 extern void	icmp_send(struct sk_buff *skb_in,  int type, int code, u32 info);
 extern int	icmp_rcv(struct sk_buff *skb);
 extern int	icmp_ioctl(struct sock *sk, int cmd, unsigned long arg);
diff --git a/include/net/ieee80211_crypt.h b/include/net/ieee80211_crypt.h
index 225fc751d464..03b766afdc39 100644
--- a/include/net/ieee80211_crypt.h
+++ b/include/net/ieee80211_crypt.h
@@ -23,12 +23,17 @@
 #ifndef IEEE80211_CRYPT_H
 #define IEEE80211_CRYPT_H
 
-#include <linux/skbuff.h>
+#include <linux/types.h>
+#include <linux/list.h>
+#include <asm/atomic.h>
 
 enum {
 	IEEE80211_CRYPTO_TKIP_COUNTERMEASURES = (1 << 0),
 };
 
+struct sk_buff;
+struct module;
+
 struct ieee80211_crypto_ops {
 	const char *name;
 	struct list_head list;
@@ -87,6 +92,8 @@ struct ieee80211_crypt_data {
 	atomic_t refcnt;
 };
 
+struct ieee80211_device;
+
 int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops);
 int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops);
 struct ieee80211_crypto_ops *ieee80211_get_crypto_ops(const char *name);
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index 91888967d3e3..50234fa56a68 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -16,9 +16,10 @@
 #define _INET_CONNECTION_SOCK_H
 
 #include <linux/compiler.h>
-#include <linux/ip.h>
 #include <linux/string.h>
 #include <linux/timer.h>
+
+#include <net/inet_sock.h>
 #include <net/request_sock.h>
 
 #define INET_CSK_DEBUG 1
diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h
index b0c47e2eccf1..d599c6bfbb86 100644
--- a/include/net/inet_ecn.h
+++ b/include/net/inet_ecn.h
@@ -3,6 +3,8 @@
 
 #include <linux/ip.h>
 #include <linux/skbuff.h>
+
+#include <net/inet_sock.h>
 #include <net/dsfield.h>
 
 enum {
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index c83baa79f66e..135d80fd658e 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -26,6 +26,7 @@
 #include <linux/wait.h>
 
 #include <net/inet_connection_sock.h>
+#include <net/inet_sock.h>
 #include <net/route.h>
 #include <net/sock.h>
 #include <net/tcp_states.h>
@@ -128,26 +129,6 @@ struct inet_hashinfo {
 	kmem_cache_t			*bind_bucket_cachep;
 };
 
-static inline unsigned int inet_ehashfn(const __u32 laddr, const __u16 lport,
-			       const __u32 faddr, const __u16 fport)
-{
-	unsigned int h = (laddr ^ lport) ^ (faddr ^ fport);
-	h ^= h >> 16;
-	h ^= h >> 8;
-	return h;
-}
-
-static inline int inet_sk_ehashfn(const struct sock *sk)
-{
-	const struct inet_sock *inet = inet_sk(sk);
-	const __u32 laddr = inet->rcv_saddr;
-	const __u16 lport = inet->num;
-	const __u32 faddr = inet->daddr;
-	const __u16 fport = inet->dport;
-
-	return inet_ehashfn(laddr, lport, faddr, fport);
-}
-
 static inline struct inet_ehash_bucket *inet_ehash_bucket(
 	struct inet_hashinfo *hashinfo,
 	unsigned int hash)
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
new file mode 100644
index 000000000000..883eb529ef8e
--- /dev/null
+++ b/include/net/inet_sock.h
@@ -0,0 +1,193 @@
+/*
+ * INET		An implementation of the TCP/IP protocol suite for the LINUX
+ *		operating system.  INET is implemented using the  BSD Socket
+ *		interface as the means of communication with the user level.
+ *
+ *		Definitions for inet_sock
+ *
+ * Authors:	Many, reorganised here by
+ * 		Arnaldo Carvalho de Melo <acme@mandriva.com>
+ *
+ *		This program is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ */
+#ifndef _INET_SOCK_H
+#define _INET_SOCK_H
+
+#include <linux/config.h>
+
+#include <linux/string.h>
+#include <linux/types.h>
+
+#include <net/flow.h>
+#include <net/sock.h>
+#include <net/request_sock.h>
+
+/** struct ip_options - IP Options
+ *
+ * @faddr - Saved first hop address
+ * @is_setbyuser - Set by setsockopt?
+ * @is_data - Options in __data, rather than skb
+ * @is_strictroute - Strict source route
+ * @srr_is_hit - Packet destination addr was our one
+ * @is_changed - IP checksum more not valid
+ * @rr_needaddr - Need to record addr of outgoing dev
+ * @ts_needtime - Need to record timestamp
+ * @ts_needaddr - Need to record addr of outgoing dev
+ */
+struct ip_options {
+	__u32		faddr;
+	unsigned char	optlen;
+	unsigned char	srr;
+	unsigned char	rr;
+	unsigned char	ts;
+	unsigned char	is_setbyuser:1,
+			is_data:1,
+			is_strictroute:1,
+			srr_is_hit:1,
+			is_changed:1,
+			rr_needaddr:1,
+			ts_needtime:1,
+			ts_needaddr:1;
+	unsigned char	router_alert;
+	unsigned char	__pad1;
+	unsigned char	__pad2;
+	unsigned char	__data[0];
+};
+
+#define optlength(opt) (sizeof(struct ip_options) + opt->optlen)
+
+struct inet_request_sock {
+	struct request_sock	req;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+	u16			inet6_rsk_offset;
+	/* 2 bytes hole, try to pack */
+#endif
+	u32			loc_addr;
+	u32			rmt_addr;
+	u16			rmt_port;
+	u16			snd_wscale : 4, 
+				rcv_wscale : 4, 
+				tstamp_ok  : 1,
+				sack_ok	   : 1,
+				wscale_ok  : 1,
+				ecn_ok	   : 1,
+				acked	   : 1;
+	struct ip_options	*opt;
+};
+
+static inline struct inet_request_sock *inet_rsk(const struct request_sock *sk)
+{
+	return (struct inet_request_sock *)sk;
+}
+
+struct ip_mc_socklist;
+struct ipv6_pinfo;
+struct rtable;
+
+/** struct inet_sock - representation of INET sockets
+ *
+ * @sk - ancestor class
+ * @pinet6 - pointer to IPv6 control block
+ * @daddr - Foreign IPv4 addr
+ * @rcv_saddr - Bound local IPv4 addr
+ * @dport - Destination port
+ * @num - Local port
+ * @saddr - Sending source
+ * @uc_ttl - Unicast TTL
+ * @sport - Source port
+ * @id - ID counter for DF pkts
+ * @tos - TOS
+ * @mc_ttl - Multicasting TTL
+ * @is_icsk - is this an inet_connection_sock?
+ * @mc_index - Multicast device index
+ * @mc_list - Group array
+ * @cork - info to build ip hdr on each ip frag while socket is corked
+ */
+struct inet_sock {
+	/* sk and pinet6 has to be the first two members of inet_sock */
+	struct sock		sk;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+	struct ipv6_pinfo	*pinet6;
+#endif
+	/* Socket demultiplex comparisons on incoming packets. */
+	__u32			daddr;
+	__u32			rcv_saddr;
+	__u16			dport;
+	__u16			num;
+	__u32			saddr;
+	__s16			uc_ttl;
+	__u16			cmsg_flags;
+	struct ip_options	*opt;
+	__u16			sport;
+	__u16			id;
+	__u8			tos;
+	__u8			mc_ttl;
+	__u8			pmtudisc;
+	__u8			recverr:1,
+				is_icsk:1,
+				freebind:1,
+				hdrincl:1,
+				mc_loop:1;
+	int			mc_index;
+	__u32			mc_addr;
+	struct ip_mc_socklist	*mc_list;
+	struct {
+		unsigned int		flags;
+		unsigned int		fragsize;
+		struct ip_options	*opt;
+		struct rtable		*rt;
+		int			length; /* Total length of all frames */
+		u32			addr;
+		struct flowi		fl;
+	} cork;
+};
+
+#define IPCORK_OPT	1	/* ip-options has been held in ipcork.opt */
+#define IPCORK_ALLFRAG	2	/* always fragment (for ipv6 for now) */
+
+static inline struct inet_sock *inet_sk(const struct sock *sk)
+{
+	return (struct inet_sock *)sk;
+}
+
+static inline void __inet_sk_copy_descendant(struct sock *sk_to,
+					     const struct sock *sk_from,
+					     const int ancestor_size)
+{
+	memcpy(inet_sk(sk_to) + 1, inet_sk(sk_from) + 1,
+	       sk_from->sk_prot->obj_size - ancestor_size);
+}
+#if !(defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE))
+static inline void inet_sk_copy_descendant(struct sock *sk_to,
+					   const struct sock *sk_from)
+{
+	__inet_sk_copy_descendant(sk_to, sk_from, sizeof(struct inet_sock));
+}
+#endif
+
+extern int inet_sk_rebuild_header(struct sock *sk);
+
+static inline unsigned int inet_ehashfn(const __u32 laddr, const __u16 lport,
+					const __u32 faddr, const __u16 fport)
+{
+	unsigned int h = (laddr ^ lport) ^ (faddr ^ fport);
+	h ^= h >> 16;
+	h ^= h >> 8;
+	return h;
+}
+
+static inline int inet_sk_ehashfn(const struct sock *sk)
+{
+	const struct inet_sock *inet = inet_sk(sk);
+	const __u32 laddr = inet->rcv_saddr;
+	const __u16 lport = inet->num;
+	const __u32 faddr = inet->daddr;
+	const __u16 fport = inet->dport;
+
+	return inet_ehashfn(laddr, lport, faddr, fport);
+}
+
+#endif	/* _INET_SOCK_H */
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index e396a65473d7..1da294c47522 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -17,13 +17,13 @@
 
 #include <linux/config.h>
 
-#include <linux/ip.h>
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/timer.h>
 #include <linux/types.h>
 #include <linux/workqueue.h>
 
+#include <net/inet_sock.h>
 #include <net/sock.h>
 #include <net/tcp_states.h>
 #include <net/timewait_sock.h>
diff --git a/include/net/ip.h b/include/net/ip.h
index 4d6294ba038e..f7e7fd728b67 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -24,14 +24,10 @@
 
 #include <linux/config.h>
 #include <linux/types.h>
-#include <linux/socket.h>
 #include <linux/ip.h>
 #include <linux/in.h>
-#include <linux/netdevice.h>
-#include <linux/inetdevice.h>
-#include <linux/in_route.h>
-#include <net/route.h>
-#include <net/arp.h>
+
+#include <net/inet_sock.h>
 #include <net/snmp.h>
 
 struct sock;
@@ -75,6 +71,13 @@ extern rwlock_t ip_ra_lock;
 
 #define IP_FRAG_TIME	(30 * HZ)		/* fragment lifetime	*/
 
+struct msghdr;
+struct net_device;
+struct packet_type;
+struct rtable;
+struct sk_buff;
+struct sockaddr;
+
 extern void		ip_mc_dropsocket(struct sock *);
 extern void		ip_mc_dropdevice(struct net_device *dev);
 extern int		igmp_mc_proc_init(void);
@@ -184,6 +187,8 @@ extern int sysctl_ip_dynaddr;
 extern void ipfrag_init(void);
 
 #ifdef CONFIG_INET
+#include <net/dst.h>
+
 /* The function in 2.2 was invalid, producing wrong result for
  * check=0xFEFF. It was noticed by Arthur Skawina _year_ ago. --ANK(000625) */
 static inline
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 14de4ebd1211..e000fa2cd5f6 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -238,6 +238,8 @@ extern int fib_validate_source(u32 src, u32 dst, u8 tos, int oif,
 			       struct net_device *dev, u32 *spec_dst, u32 *itag);
 extern void fib_select_multipath(const struct flowi *flp, struct fib_result *res);
 
+struct rtentry;
+
 /* Exported by fib_semantics.c */
 extern int ip_fib_check_default(u32 gw, struct net_device *dev);
 extern int fib_sync_down(u32 local, struct net_device *dev, int force);
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 3b5559a023a4..7d2674fde19a 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -251,16 +251,15 @@ struct ip_vs_daemon_user {
 #include <linux/config.h>
 #include <linux/list.h>                 /* for struct list_head */
 #include <linux/spinlock.h>             /* for struct rwlock_t */
-#include <linux/skbuff.h>               /* for struct sk_buff */
-#include <linux/ip.h>                   /* for struct iphdr */
 #include <asm/atomic.h>                 /* for struct atomic_t */
-#include <linux/netdevice.h>		/* for struct neighbour */
-#include <net/dst.h>			/* for struct dst_entry */
-#include <net/udp.h>
 #include <linux/compiler.h>
+#include <linux/timer.h>
 
+#include <net/checksum.h>
 
 #ifdef CONFIG_IP_VS_DEBUG
+#include <linux/net.h>
+
 extern int ip_vs_get_debug_level(void);
 #define IP_VS_DBG(level, msg...)			\
     do {						\
@@ -429,8 +428,11 @@ struct ip_vs_stats
 	spinlock_t              lock;           /* spin lock */
 };
 
+struct dst_entry;
+struct iphdr;
 struct ip_vs_conn;
 struct ip_vs_app;
+struct sk_buff;
 
 struct ip_vs_protocol {
 	struct ip_vs_protocol	*next;
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 11a725662c36..860bbac4c4ee 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -541,6 +541,9 @@ extern int sysctl_ip6frag_secret_interval;
 extern const struct proto_ops inet6_stream_ops;
 extern const struct proto_ops inet6_dgram_ops;
 
+struct group_source_req;
+struct group_filter;
+
 extern int ip6_mc_source(int add, int omode, struct sock *sk,
 			 struct group_source_req *pgsr);
 extern int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf);
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index f85d6e4b7442..bbac87eeb422 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -35,11 +35,20 @@ enum {
 
 #ifdef __KERNEL__
 
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
+#include <linux/config.h>
+#include <linux/compiler.h>
 #include <linux/icmpv6.h>
+#include <linux/in6.h>
+#include <linux/types.h>
+
 #include <net/neighbour.h>
-#include <asm/atomic.h>
+
+struct ctl_table;
+struct file;
+struct inet6_dev;
+struct net_device;
+struct net_proto_family;
+struct sk_buff;
 
 extern struct neigh_table nd_tbl;
 
@@ -108,7 +117,7 @@ extern int			igmp6_event_report(struct sk_buff *skb);
 extern void			igmp6_cleanup(void);
 
 #ifdef CONFIG_SYSCTL
-extern int 			ndisc_ifinfo_sysctl_change(ctl_table *ctl,
+extern int 			ndisc_ifinfo_sysctl_change(struct ctl_table *ctl,
 							   int write,
 							   struct file * filp,
 							   void __user *buffer,
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 34c07731933d..6fa9ae190741 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -49,8 +49,8 @@
 #ifdef __KERNEL__
 
 #include <asm/atomic.h>
-#include <linux/skbuff.h>
 #include <linux/netdevice.h>
+#include <linux/skbuff.h>
 #include <linux/rcupdate.h>
 #include <linux/seq_file.h>
 
diff --git a/include/net/pkt_act.h b/include/net/pkt_act.h
index bd08964b72c0..b225d8472b7e 100644
--- a/include/net/pkt_act.h
+++ b/include/net/pkt_act.h
@@ -15,7 +15,6 @@
 #include <linux/in.h>
 #include <linux/errno.h>
 #include <linux/interrupt.h>
-#include <linux/netdevice.h>
 #include <linux/skbuff.h>
 #include <linux/rtnetlink.h>
 #include <linux/module.h>
diff --git a/include/net/raw.h b/include/net/raw.h
index f47917469b12..e67b28a0248c 100644
--- a/include/net/raw.h
+++ b/include/net/raw.h
@@ -19,6 +19,8 @@
 
 #include <linux/config.h>
 
+#include <net/protocol.h>
+
 extern struct proto raw_prot;
 
 extern void 	raw_err(struct sock *, struct sk_buff *, u32 info);
diff --git a/include/net/udp.h b/include/net/udp.h
index 107b9d791a1f..766fba1369ce 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -22,9 +22,8 @@
 #ifndef _UDP_H
 #define _UDP_H
 
-#include <linux/udp.h>
-#include <linux/ip.h>
 #include <linux/list.h>
+#include <net/inet_sock.h>
 #include <net/sock.h>
 #include <net/snmp.h>
 #include <linux/seq_file.h>
@@ -62,6 +61,7 @@ static inline int udp_lport_inuse(u16 num)
 
 extern struct proto udp_prot;
 
+struct sk_buff;
 
 extern void	udp_err(struct sk_buff *, u32);
 
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 487abca3ca6f..07d7b50cdd76 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -2,11 +2,12 @@
 #define _NET_XFRM_H
 
 #include <linux/compiler.h>
+#include <linux/in.h>
 #include <linux/xfrm.h>
 #include <linux/spinlock.h>
 #include <linux/list.h>
 #include <linux/skbuff.h>
-#include <linux/netdevice.h>
+#include <linux/socket.h>
 #include <linux/crypto.h>
 #include <linux/pfkeyv2.h>
 #include <linux/in6.h>