[NET]: Fix sparse warnings

Of this type, mostly:

CHECK   net/ipv6/netfilter.c
net/ipv6/netfilter.c:96:12: warning: symbol 'ipv6_netfilter_init' was not declared. Should it be static?
net/ipv6/netfilter.c:101:6: warning: symbol 'ipv6_netfilter_fini' was not declared. Should it be static?

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

54 files changed, 208 insertions, 162 deletions

diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index b5b58e9c054c..fc2d4c8225aa 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -110,6 +110,8 @@ static inline struct ethhdr *eth_hdr(const struct sk_buff *skb)
 {
         return (struct ethhdr *)skb->mac.raw;
 }
+
+extern struct ctl_table ether_table[];
 #endif
 
 #endif  /* _LINUX_IF_ETHER_H */
diff --git a/include/linux/if_frad.h b/include/linux/if_frad.h
index 3c94b1736570..511999c7eeda 100644
--- a/include/linux/if_frad.h
+++ b/include/linux/if_frad.h
@@ -191,10 +191,12 @@ struct frad_local
    int               buffer;            /* current buffer for S508 firmware */
 };
 
-extern void dlci_ioctl_set(int (*hook)(unsigned int, void __user *));
-
 #endif /* __KERNEL__ */
 
 #endif /* CONFIG_DLCI || CONFIG_DLCI_MODULE */
 
+#ifdef __KERNEL__
+extern void dlci_ioctl_set(int (*hook)(unsigned int, void __user *));
+#endif
+
 #endif
diff --git a/include/linux/if_tr.h b/include/linux/if_tr.h
index 3fba9e2f5427..5502f597cf0e 100644
--- a/include/linux/if_tr.h
+++ b/include/linux/if_tr.h
@@ -43,12 +43,16 @@ struct trh_hdr {
 };
 
 #ifdef __KERNEL__
+#include <linux/config.h>
 #include <linux/skbuff.h>
 
 static inline struct trh_hdr *tr_hdr(const struct sk_buff *skb)
 {
         return (struct trh_hdr *)skb->mac.raw;
 }
+#ifdef CONFIG_SYSCTL
+extern struct ctl_table tr_table[];
+#endif
 #endif
 
 /* This is an Token-Ring LLC structure */
diff --git a/include/linux/igmp.h b/include/linux/igmp.h
index 0c31ef0b5bad..28f4f3b36950 100644
--- a/include/linux/igmp.h
+++ b/include/linux/igmp.h
@@ -129,6 +129,9 @@ struct igmpv3_query {
 #include <linux/skbuff.h>
 #include <linux/in.h>
 
+extern int sysctl_igmp_max_memberships;
+extern int sysctl_igmp_max_msf;
+
 struct ip_sf_socklist
 {
         unsigned int            sl_max;
diff --git a/include/linux/net.h b/include/linux/net.h
index 5f8b632ff653..4e981585a89a 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -286,5 +286,12 @@ static struct proto_ops name##_ops = {			\
 #define MODULE_ALIAS_NET_PF_PROTO(pf, proto) \
         MODULE_ALIAS("net-pf-" __stringify(pf) "-proto-" __stringify(proto))
 
+#ifdef CONFIG_SYSCTL
+#include <linux/sysctl.h>
+extern ctl_table net_table[];
+extern int net_msg_cost;
+extern int net_msg_burst;
+#endif
+
 #endif /* __KERNEL__ */
 #endif  /* _LINUX_NET_H */
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d8e52edfd526..1fcaa88b8625 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -244,6 +244,7 @@ struct netdev_boot_setup {
 };
 #define NETDEV_BOOT_SETUP_MAX 8
 
+extern int __init netdev_boot_setup(char *str);
 
 /*
  *      The DEVICE structure.
@@ -673,6 +674,7 @@ extern void		dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev);
 extern void             dev_init(void);
 
 extern int              netdev_nit;
+extern int              netdev_budget;
 
 /* Called by rtnetlink.c:rtnl_unlock() */
 extern void netdev_run_todo(void);
@@ -908,6 +910,14 @@ extern int skb_checksum_help(struct sk_buff *skb, int inward);
 extern void             net_enable_timestamp(void);
 extern void             net_disable_timestamp(void);
 
+#ifdef CONFIG_PROC_FS
+extern void *dev_seq_start(struct seq_file *seq, loff_t *pos);
+extern void *dev_seq_next(struct seq_file *seq, void *v, loff_t *pos);
+extern void dev_seq_stop(struct seq_file *seq, void *v);
+#endif
+
+extern void linkwatch_run_queue(void);
+
 #endif /* __KERNEL__ */
 
 #endif  /* _LINUX_DEV_H */
diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h
index 5d204ee7a312..edcc2c6eb5c7 100644
--- a/include/linux/netfilter_ipv6.h
+++ b/include/linux/netfilter_ipv6.h
@@ -71,7 +71,7 @@ enum nf_ip6_hook_priorities {
         NF_IP6_PRI_LAST = INT_MAX,
 };
 
-int ipv6_netfilter_init(void);
-void ipv6_netfilter_fini(void);
+extern int ipv6_netfilter_init(void);
+extern void ipv6_netfilter_fini(void);
 
 #endif /*__LINUX_IP6_NETFILTER_H*/
diff --git a/include/linux/security.h b/include/linux/security.h
index b42095a68b1c..7aab6ab7c57f 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -2727,7 +2727,8 @@ static inline int security_socket_getpeersec(struct socket *sock, char __user *o
         return security_ops->socket_getpeersec(sock, optval, optlen, len);
 }
 
-static inline int security_sk_alloc(struct sock *sk, int family, int priority)
+static inline int security_sk_alloc(struct sock *sk, int family,
+                                    unsigned int __nocast priority)
 {
         return security_ops->sk_alloc_security(sk, family, priority);
 }
@@ -2844,7 +2845,8 @@ static inline int security_socket_getpeersec(struct socket *sock, char __user *o
         return -ENOPROTOOPT;
 }
 
-static inline int security_sk_alloc(struct sock *sk, int family, int priority)
+static inline int security_sk_alloc(struct sock *sk, int family,
+                                    unsigned int __nocast priority)
 {
         return 0;
 }
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 32635c401d4d..db10335e4192 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1203,6 +1203,8 @@ extern void	       skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to);
 extern void            skb_split(struct sk_buff *skb,
                                  struct sk_buff *skb1, const u32 len);
 
+extern void            skb_release_data(struct sk_buff *skb);
+
 static inline void *skb_header_pointer(const struct sk_buff *skb, int offset,
                                        int len, void *buffer)
 {
diff --git a/include/linux/socket.h b/include/linux/socket.h
index acc55aac8a43..1739c2d5b95b 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -26,6 +26,13 @@ struct __kernel_sockaddr_storage {
 #include <linux/types.h>                /* pid_t                        */
 #include <linux/compiler.h>             /* __user                       */
 
+extern int sysctl_somaxconn;
+extern void sock_init(void);
+#ifdef CONFIG_PROC_FS
+struct seq_file;
+extern void socket_seq_show(struct seq_file *seq);
+#endif
+
 typedef unsigned short  sa_family_t;
 
 /*
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index a0ed93672176..750e2508dd90 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -45,6 +45,7 @@ struct prefix_info {
 
 #ifdef __KERNEL__
 
+#include <linux/config.h>
 #include <linux/netdevice.h>
 #include <net/if_inet6.h>
 #include <net/ipv6.h>
@@ -238,5 +239,10 @@ static inline int ipv6_addr_is_ll_all_routers(const struct in6_addr *addr)
                 addr->s6_addr32[3] == htonl(0x00000002));
 }
 
+#ifdef CONFIG_PROC_FS
+extern int if6_proc_init(void);
+extern void if6_proc_exit(void);
+#endif
+
 #endif
 #endif
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index b60b3846b9d1..b5d785ab4a0e 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -1,5 +1,11 @@
 #ifndef __LINUX_NET_AFUNIX_H
 #define __LINUX_NET_AFUNIX_H
+
+#include <linux/config.h>
+#include <linux/socket.h>
+#include <linux/un.h>
+#include <net/sock.h>
+
 extern void unix_inflight(struct file *fp);
 extern void unix_notinflight(struct file *fp);
 extern void unix_gc(void);
@@ -74,5 +80,14 @@ struct unix_sock {
         wait_queue_head_t       peer_wait;
 };
 #define unix_sk(__sk) ((struct unix_sock *)__sk)
+
+#ifdef CONFIG_SYSCTL
+extern int sysctl_unix_max_dgram_qlen;
+extern void unix_sysctl_register(void);
+extern void unix_sysctl_unregister(void);
+#else
+static inline void unix_sysctl_register(void) {}
+static inline void unix_sysctl_unregister(void) {}
+#endif
 #endif
 #endif
diff --git a/include/net/icmp.h b/include/net/icmp.h
index e5ef0d15fb45..6cdebeee5f96 100644
--- a/include/net/icmp.h
+++ b/include/net/icmp.h
@@ -57,4 +57,11 @@ static inline struct raw_sock *raw_sk(const struct sock *sk)
         return (struct raw_sock *)sk;
 }
 
+extern int sysctl_icmp_echo_ignore_all;
+extern int sysctl_icmp_echo_ignore_broadcasts;
+extern int sysctl_icmp_ignore_bogus_error_responses;
+extern int sysctl_icmp_errors_use_inbound_ifaddr;
+extern int sysctl_icmp_ratelimit;
+extern int sysctl_icmp_ratemask;
+
 #endif  /* _ICMP_H */
diff --git a/include/net/ip.h b/include/net/ip.h
index c16fb6ac3446..7623e414a5fb 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -163,6 +163,24 @@ extern int sysctl_local_port_range[2];
 extern int sysctl_ip_default_ttl;
 extern int sysctl_ip_nonlocal_bind;
 
+/* From ip_fragment.c */
+extern int sysctl_ipfrag_high_thresh; 
+extern int sysctl_ipfrag_low_thresh;
+extern int sysctl_ipfrag_time;
+extern int sysctl_ipfrag_secret_interval;
+
+/* From inetpeer.c */
+extern int inet_peer_threshold;
+extern int inet_peer_minttl;
+extern int inet_peer_maxttl;
+extern int inet_peer_gc_mintime;
+extern int inet_peer_gc_maxtime;
+
+/* From ip_output.c */
+extern int sysctl_ip_dynaddr;
+
+extern void ipfrag_init(void);
+
 #ifdef CONFIG_INET
 /* The function in 2.2 was invalid, producing wrong result for
  * check=0xFEFF. It was noticed by Arthur Skawina _year_ ago. --ANK(000625) */
@@ -348,5 +366,10 @@ int ipv4_doint_and_flush_strategy(ctl_table *table, int __user *name, int nlen,
                                   void __user *oldval, size_t __user *oldlenp,
                                   void __user *newval, size_t newlen, 
                                   void **context);
+#ifdef CONFIG_PROC_FS
+extern int ip_misc_proc_init(void);
+#endif
+
+extern struct ctl_table ipv4_table[];
 
 #endif  /* _IP_H */
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index a4208a336ac0..14de4ebd1211 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -295,4 +295,9 @@ static inline void fib_res_put(struct fib_result *res)
 #endif
 }
 
+#ifdef CONFIG_PROC_FS
+extern int  fib_proc_init(void);
+extern void fib_proc_exit(void);
+#endif
+
 #endif  /* _NET_FIB_H */
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index c5a02ddc594a..3203eaff4bd4 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -104,6 +104,7 @@ struct frag_hdr {
 
 #ifdef __KERNEL__
 
+#include <linux/config.h>
 #include <net/sock.h>
 
 /* sysctls */
@@ -464,8 +465,38 @@ extern int sysctl_ip6frag_low_thresh;
 extern int sysctl_ip6frag_time;
 extern int sysctl_ip6frag_secret_interval;
 
-#endif /* __KERNEL__ */
-#endif /* _NET_IPV6_H */
+extern struct proto_ops inet6_stream_ops;
+extern struct proto_ops inet6_dgram_ops;
+
+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);
+extern int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
+                         struct group_filter __user *optval,
+                         int __user *optlen);
+
+#ifdef CONFIG_PROC_FS
+extern int  ac6_proc_init(void);
+extern void ac6_proc_exit(void);
+extern int  raw6_proc_init(void);
+extern void raw6_proc_exit(void);
+extern int  tcp6_proc_init(void);
+extern void tcp6_proc_exit(void);
+extern int  udp6_proc_init(void);
+extern void udp6_proc_exit(void);
+extern int  ipv6_misc_proc_init(void);
+extern void ipv6_misc_proc_exit(void);
+
+extern struct rt6_statistics rt6_stats;
+#endif
 
+#ifdef CONFIG_SYSCTL
+extern ctl_table ipv6_route_table[];
+extern ctl_table ipv6_icmp_table[];
 
+extern void ipv6_sysctl_register(void);
+extern void ipv6_sysctl_unregister(void);
+#endif
 
+#endif /* __KERNEL__ */
+#endif /* _NET_IPV6_H */
diff --git a/include/net/p8022.h b/include/net/p8022.h
index 223f8fa9ffca..42e9fac51b31 100644
--- a/include/net/p8022.h
+++ b/include/net/p8022.h
@@ -8,4 +8,6 @@ extern struct datalink_proto *
                                          struct net_device *orig_dev));
 extern void unregister_8022_client(struct datalink_proto *proto);
 
+extern struct datalink_proto *make_8023_client(void);
+extern void destroy_8023_client(struct datalink_proto *dl);
 #endif
diff --git a/include/net/raw.h b/include/net/raw.h
index 1c4bc3e6809f..f47917469b12 100644
--- a/include/net/raw.h
+++ b/include/net/raw.h
@@ -17,10 +17,10 @@
 #ifndef _RAW_H
 #define _RAW_H
 
+#include <linux/config.h>
 
 extern struct proto raw_prot;
 
-
 extern void     raw_err(struct sock *, struct sk_buff *, u32 info);
 extern int      raw_rcv(struct sock *, struct sk_buff *);
 
@@ -39,4 +39,9 @@ extern struct sock *__raw_v4_lookup(struct sock *sk, unsigned short num,
 
 extern int raw_v4_input(struct sk_buff *skb, struct iphdr *iph, int hash);
 
+#ifdef CONFIG_PROC_FS
+extern int  raw_proc_init(void);
+extern void raw_proc_exit(void);
+#endif
+
 #endif  /* _RAW_H */
diff --git a/include/net/route.h b/include/net/route.h
index 63c94558236d..dbe79ca67d31 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -195,4 +195,6 @@ static inline struct inet_peer *rt_get_peer(struct rtable *rt)
         return rt->peer;
 }
 
+extern ctl_table ipv4_route_table[];
+
 #endif  /* _ROUTE_H */
diff --git a/include/net/sock.h b/include/net/sock.h
index d59428877078..14183883e8e6 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1370,4 +1370,16 @@ static inline int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsign
 }
 #endif
 
+extern void sk_init(void);
+
+#ifdef CONFIG_SYSCTL
+extern struct ctl_table core_table[];
+extern int sysctl_optmem_max;
+#endif
+
+#ifdef CONFIG_PROC_FS
+extern __u32 sysctl_wmem_default;
+extern __u32 sysctl_rmem_default;
+#endif
+
 #endif  /* _SOCK_H */
diff --git a/include/net/tcp.h b/include/net/tcp.h
index d958260af23c..d6bcf1317a6a 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1183,4 +1183,16 @@ struct tcp_iter_state {
 extern int tcp_proc_register(struct tcp_seq_afinfo *afinfo);
 extern void tcp_proc_unregister(struct tcp_seq_afinfo *afinfo);
 
+extern struct request_sock_ops tcp_request_sock_ops;
+
+extern int tcp_v4_destroy_sock(struct sock *sk);
+
+#ifdef CONFIG_PROC_FS
+extern int  tcp4_proc_init(void);
+extern void tcp4_proc_exit(void);
+#endif
+
+extern void tcp_v4_init(struct net_proto_family *ops);
+extern void tcp_init(void);
+
 #endif  /* _TCP_H */
diff --git a/include/net/udp.h b/include/net/udp.h
index ac229b761dbc..107b9d791a1f 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -94,6 +94,11 @@ struct udp_iter_state {
         struct seq_operations   seq_ops;
 };
 
+#ifdef CONFIG_PROC_FS
 extern int udp_proc_register(struct udp_seq_afinfo *afinfo);
 extern void udp_proc_unregister(struct udp_seq_afinfo *afinfo);
+
+extern int  udp4_proc_init(void);
+extern void udp4_proc_exit(void);
+#endif
 #endif  /* _UDP_H */
diff --git a/init/main.c b/init/main.c
index c9c311cf1771..ff410063e4e1 100644
--- a/init/main.c
+++ b/init/main.c
@@ -47,6 +47,7 @@
 #include <linux/rmap.h>
 #include <linux/mempolicy.h>
 #include <linux/key.h>
+#include <net/sock.h>
 
 #include <asm/io.h>
 #include <asm/bugs.h>
@@ -80,7 +81,6 @@
 static int init(void *);
 
 extern void init_IRQ(void);
-extern void sock_init(void);
 extern void fork_init(unsigned long);
 extern void mca_init(void);
 extern void sbus_init(void);
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 3e0bbee549ea..8e56e2495542 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -31,6 +31,7 @@
 #include <linux/smp_lock.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
+#include <linux/net.h>
 #include <linux/sysrq.h>
 #include <linux/highuid.h>
 #include <linux/writeback.h>
@@ -136,9 +137,6 @@ static struct ctl_table_header root_table_header =
 
 static ctl_table kern_table[];
 static ctl_table vm_table[];
-#ifdef CONFIG_NET
-extern ctl_table net_table[];
-#endif
 static ctl_table proc_table[];
 static ctl_table fs_table[];
 static ctl_table debug_table[];
diff --git a/net/802/p8023.c b/net/802/p8023.c
index a0b61b40225f..6368d3dce444 100644
--- a/net/802/p8023.c
+++ b/net/802/p8023.c
@@ -20,6 +20,7 @@
 #include <linux/skbuff.h>
 
 #include <net/datalink.h>
+#include <net/p8022.h>
 
 /*
  *      Place an 802.3 header on a packet. The driver will do the mac
diff --git a/net/802/sysctl_net_802.c b/net/802/sysctl_net_802.c
index 36079630c49f..700129556c13 100644
--- a/net/802/sysctl_net_802.c
+++ b/net/802/sysctl_net_802.c
@@ -10,9 +10,10 @@
  *              2 of the License, or (at your option) any later version.
  */
 
+#include <linux/config.h>
 #include <linux/mm.h>
+#include <linux/if_tr.h>
 #include <linux/sysctl.h>
-#include <linux/config.h>
 
 #ifdef CONFIG_TR
 extern int sysctl_tr_rif_timeout;
diff --git a/net/core/dev.c b/net/core/dev.c
index a3ed53cc4af8..c01511e3d0c1 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -267,10 +267,6 @@ void dev_add_pack(struct packet_type *pt)
         spin_unlock_bh(&ptype_lock);
 }
 
-extern void linkwatch_run_queue(void);
-
-
-
 /**
  *      __dev_remove_pack        - remove packet handler
  *      @pt: packet type declaration
@@ -1133,8 +1129,6 @@ static inline int illegal_highdma(struct net_device *dev, struct sk_buff *skb)
 #define illegal_highdma(dev, skb)       (0)
 #endif
 
-extern void skb_release_data(struct sk_buff *);
-
 /* Keep head the same: replace data */
 int __skb_linearize(struct sk_buff *skb, unsigned int __nocast gfp_mask)
 {
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 8f817ad9f546..2f278c8e4743 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -9,23 +9,18 @@
 #include <linux/sysctl.h>
 #include <linux/config.h>
 #include <linux/module.h>
+#include <linux/socket.h>
+#include <net/sock.h>
 
 #ifdef CONFIG_SYSCTL
 
 extern int netdev_max_backlog;
-extern int netdev_budget;
 extern int weight_p;
-extern int net_msg_cost;
-extern int net_msg_burst;
 
 extern __u32 sysctl_wmem_max;
 extern __u32 sysctl_rmem_max;
-extern __u32 sysctl_wmem_default;
-extern __u32 sysctl_rmem_default;
 
 extern int sysctl_core_destroy_delay;
-extern int sysctl_optmem_max;
-extern int sysctl_somaxconn;
 
 #ifdef CONFIG_NET_DIVERT
 extern char sysctl_divert_version[];
diff --git a/net/core/utils.c b/net/core/utils.c
index 88eb8b68e26b..7b5970fc9e40 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -16,7 +16,9 @@
 #include <linux/module.h>
 #include <linux/jiffies.h>
 #include <linux/kernel.h>
+#include <linux/inet.h>
 #include <linux/mm.h>
+#include <linux/net.h>
 #include <linux/string.h>
 #include <linux/types.h>
 #include <linux/random.h>
diff --git a/net/core/wireless.c b/net/core/wireless.c
index 19fa6a5389b3..5caae2399f3a 100644
--- a/net/core/wireless.c
+++ b/net/core/wireless.c
@@ -571,10 +571,6 @@ static int wireless_seq_show(struct seq_file *seq, void *v)
         return 0;
 }
 
-extern void *dev_seq_start(struct seq_file *seq, loff_t *pos);
-extern void *dev_seq_next(struct seq_file *seq, void *v, loff_t *pos);
-extern void dev_seq_stop(struct seq_file *seq, void *v);
-
 static struct seq_operations wireless_seq_ops = {
         .start = dev_seq_start,
         .next  = dev_seq_next,
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index f444a2f2675f..87a052a9a84f 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -62,8 +62,6 @@
 #include <asm/system.h>
 #include <asm/checksum.h>
 
-extern int __init netdev_boot_setup(char *str);
-
 __setup("ether=", netdev_boot_setup);
 
 /*
diff --git a/net/ethernet/sysctl_net_ether.c b/net/ethernet/sysctl_net_ether.c
index b81a6d532342..66b39fc342d2 100644
--- a/net/ethernet/sysctl_net_ether.c
+++ b/net/ethernet/sysctl_net_ether.c
@@ -7,6 +7,7 @@
 
 #include <linux/mm.h>
 #include <linux/sysctl.h>
+#include <linux/if_ether.h>
 
 ctl_table ether_table[] = {
         {0}
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 20f52b5f5dea..5810f9d14914 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -859,10 +859,6 @@ static struct net_proto_family inet_family_ops = {
         .owner  = THIS_MODULE,
 };
 
-
-extern void tcp_init(void);
-extern void tcp_v4_init(struct net_proto_family *);
-
 /* Upon startup we insert all the elements in inetsw_array[] into
  * the linked list inetsw.
  */
@@ -1132,7 +1128,6 @@ static int __init init_ipv4_mibs(void)
 }
 
 static int ipv4_proc_init(void);
-extern void ipfrag_init(void);
 
 /*
  *      IP protocol layer initialiser
@@ -1253,19 +1248,10 @@ module_init(inet_init);
 /* ------------------------------------------------------------------------ */
 
 #ifdef CONFIG_PROC_FS
-extern int  fib_proc_init(void);
-extern void fib_proc_exit(void);
 #ifdef CONFIG_IP_FIB_TRIE
 extern int  fib_stat_proc_init(void);
 extern void fib_stat_proc_exit(void);
 #endif
-extern int  ip_misc_proc_init(void);
-extern int  raw_proc_init(void);
-extern void raw_proc_exit(void);
-extern int  tcp4_proc_init(void);
-extern void tcp4_proc_exit(void);
-extern int  udp4_proc_init(void);
-extern void udp4_proc_exit(void);
 
 static int __init ipv4_proc_init(void)
 {
diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c
index 3fd49f4282ac..c1b42b5257f8 100644
--- a/net/ipv4/datagram.c
+++ b/net/ipv4/datagram.c
@@ -16,6 +16,7 @@
 #include <linux/module.h>
 #include <linux/ip.h>
 #include <linux/in.h>
+#include <net/ip.h>
 #include <net/sock.h>
 #include <net/route.h>
 #include <net/tcp_states.h>
diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
index 3c513ceaca76..4410b9dc03e9 100644
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -20,6 +20,7 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/net.h>
+#include <net/ip.h>
 #include <net/inetpeer.h>
 
 /*
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index ddb1aedbdc6d..aca088b3707a 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -614,7 +614,6 @@ int ip_setsockopt(struct sock *sk, int level, int optname, char __user *optval,
                 }
                 case IP_MSFILTER:
                 {
-                        extern int sysctl_optmem_max;
                         extern int sysctl_igmp_max_msf;
                         struct ip_msfilter *msf;
 
@@ -769,7 +768,6 @@ int ip_setsockopt(struct sock *sk, int level, int optname, char __user *optval,
                 }
                 case MCAST_MSFILTER:
                 {
-                        extern int sysctl_optmem_max;
                         extern int sysctl_igmp_max_msf;
                         struct sockaddr_in *psin;
                         struct ip_msfilter *msf = NULL;
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 3eadbb271871..f7943ba1f43c 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -59,9 +59,6 @@ static int fold_prot_inuse(struct proto *proto)
  */
 static int sockstat_seq_show(struct seq_file *seq, void *v)
 {
-        /* From net/socket.c */
-        extern void socket_seq_show(struct seq_file *seq);
-
         socket_seq_show(seq);
         seq_printf(seq, "TCP: inuse %d orphan %d tw %d alloc %d mem %d\n",
                    fold_prot_inuse(&tcp_prot), atomic_read(&tcp_orphan_count),
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 8692cb9d4bdb..a34e60ea48a1 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -169,8 +169,6 @@ static inline int cookie_check(struct sk_buff *skb, __u32 cookie)
         return mssind < NUM_MSS ? msstab[mssind] + 1 : 0;
 }
 
-extern struct request_sock_ops tcp_request_sock_ops;
-
 static inline struct sock *get_cookie_sock(struct sock *sk, struct sk_buff *skb,
                                            struct request_sock *req,
                                            struct dst_entry *dst)
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index ce47a345ecc5..652685623519 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -11,7 +11,9 @@
 #include <linux/module.h>
 #include <linux/sysctl.h>
 #include <linux/config.h>
+#include <linux/igmp.h>
 #include <net/snmp.h>
+#include <net/icmp.h>
 #include <net/ip.h>
 #include <net/route.h>
 #include <net/tcp.h>
@@ -19,36 +21,6 @@
 /* From af_inet.c */
 extern int sysctl_ip_nonlocal_bind;
 
-/* From icmp.c */
-extern int sysctl_icmp_echo_ignore_all;
-extern int sysctl_icmp_echo_ignore_broadcasts;
-extern int sysctl_icmp_ignore_bogus_error_responses;
-extern int sysctl_icmp_errors_use_inbound_ifaddr;
-
-/* From ip_fragment.c */
-extern int sysctl_ipfrag_low_thresh;
-extern int sysctl_ipfrag_high_thresh; 
-extern int sysctl_ipfrag_time;
-extern int sysctl_ipfrag_secret_interval;
-
-/* From ip_output.c */
-extern int sysctl_ip_dynaddr;
-
-/* From icmp.c */
-extern int sysctl_icmp_ratelimit;
-extern int sysctl_icmp_ratemask;
-
-/* From igmp.c */
-extern int sysctl_igmp_max_memberships;
-extern int sysctl_igmp_max_msf;
-
-/* From inetpeer.c */
-extern int inet_peer_threshold;
-extern int inet_peer_minttl;
-extern int inet_peer_maxttl;
-extern int inet_peer_gc_mintime;
-extern int inet_peer_gc_maxtime;
-
 #ifdef CONFIG_SYSCTL
 static int tcp_retr1_max = 255; 
 static int ip_local_port_range_min[] = { 1, 1 };
@@ -57,8 +29,6 @@ static int ip_local_port_range_max[] = { 65535, 65535 };
 
 struct ipv4_config ipv4_config;
 
-extern ctl_table ipv4_route_table[];
-
 #ifdef CONFIG_SYSCTL
 
 static
@@ -136,10 +106,11 @@ static int proc_tcp_congestion_control(ctl_table *ctl, int write, struct file *
         return ret;
 }
 
-int sysctl_tcp_congestion_control(ctl_table *table, int __user *name, int nlen,
-                                  void __user *oldval, size_t __user *oldlenp,
-                                  void __user *newval, size_t newlen,
-                                  void **context)
+static int sysctl_tcp_congestion_control(ctl_table *table, int __user *name,
+                                         int nlen, void __user *oldval,
+                                         size_t __user *oldlenp,
+                                         void __user *newval, size_t newlen,
+                                         void **context)
 {
         char val[TCP_CA_NAME_MAX];
         ctl_table tbl = {
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index ebb8654e3dee..1afb080bdf0c 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4229,7 +4229,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
                                  */
                                 if (tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr &&
                                     !tp->srtt)
-                                        tcp_ack_saw_tstamp(sk, 0, 0);
+                                        tcp_ack_saw_tstamp(sk, NULL, 0);
 
                                 if (tp->rx_opt.tstamp_ok)
                                         tp->advmss -= TCPOLEN_TSTAMP_ALIGNED;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 97bbf595230d..13dfb391cdf1 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -66,6 +66,7 @@
 #include <net/icmp.h>
 #include <net/inet_hashtables.h>
 #include <net/tcp.h>
+#include <net/transp_v6.h>
 #include <net/ipv6.h>
 #include <net/inet_common.h>
 #include <net/xfrm.h>
@@ -76,7 +77,6 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 
-extern int sysctl_ip_dynaddr;
 int sysctl_tcp_tw_reuse;
 int sysctl_tcp_low_latency;
 
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 493abf94bcfc..937ad32db77c 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1126,7 +1126,7 @@ void addrconf_leave_solict(struct inet6_dev *idev, struct in6_addr *addr)
         __ipv6_dev_mc_dec(idev, &maddr);
 }
 
-void addrconf_join_anycast(struct inet6_ifaddr *ifp)
+static void addrconf_join_anycast(struct inet6_ifaddr *ifp)
 {
         struct in6_addr addr;
         ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len);
@@ -1135,7 +1135,7 @@ void addrconf_join_anycast(struct inet6_ifaddr *ifp)
         ipv6_dev_ac_inc(ifp->idev->dev, &addr);
 }
 
-void addrconf_leave_anycast(struct inet6_ifaddr *ifp)
+static void addrconf_leave_anycast(struct inet6_ifaddr *ifp)
 {
         struct in6_addr addr;
         ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len);
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 7df2ccb380d9..4f8795af2edb 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -67,23 +67,6 @@ MODULE_AUTHOR("Cast of dozens");
 MODULE_DESCRIPTION("IPv6 protocol stack for Linux");
 MODULE_LICENSE("GPL");
 
-/* IPv6 procfs goodies... */
-
-#ifdef CONFIG_PROC_FS
-extern int raw6_proc_init(void);
-extern void raw6_proc_exit(void);
-extern int tcp6_proc_init(void);
-extern void tcp6_proc_exit(void);
-extern int udp6_proc_init(void);
-extern void udp6_proc_exit(void);
-extern int ipv6_misc_proc_init(void);
-extern void ipv6_misc_proc_exit(void);
-extern int ac6_proc_init(void);
-extern void ac6_proc_exit(void);
-extern int if6_proc_init(void);
-extern void if6_proc_exit(void);
-#endif
-
 int sysctl_ipv6_bindv6only;
 
 /* The inetsw table contains everything that inet_create needs to
@@ -505,11 +488,6 @@ static struct net_proto_family inet6_family_ops = {
         .owner  = THIS_MODULE,
 };
 
-#ifdef CONFIG_SYSCTL
-extern void ipv6_sysctl_register(void);
-extern void ipv6_sysctl_unregister(void);
-#endif
-
 /* Same as inet6_dgram_ops, sans udp_poll.  */
 static struct proto_ops inet6_sockraw_ops = {
         .family =       PF_INET6,
@@ -676,8 +654,6 @@ static void cleanup_ipv6_mibs(void)
         snmp6_mib_free((void **)udp_stats_in6);
 }
 
-extern int ipv6_misc_proc_init(void);
-
 static int __init inet6_init(void)
 {
         struct sk_buff *dummy_skb;
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 76fe23925d77..7516b8829a9d 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -109,13 +109,6 @@ int ip6_ra_control(struct sock *sk, int sel, void (*destructor)(struct sock *))
         return 0;
 }
 
-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);
-extern int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
-        struct group_filter __user *optval, int __user *optlen);
-
-
 int ipv6_setsockopt(struct sock *sk, int level, int optname,
                     char __user *optval, int optlen)
 {
@@ -446,7 +439,6 @@ done:
         }
         case MCAST_MSFILTER:
         {
-                extern int sysctl_optmem_max;
                 extern int sysctl_mld_max_msf;
                 struct group_filter *gsf;
 
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 6ea494ab4e02..5d5bbb49ec78 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1372,7 +1372,7 @@ int ipv6_route_ioctl(unsigned int cmd, void __user *arg)
  *      Drop the packet on the floor
  */
 
-int ip6_pkt_discard(struct sk_buff *skb)
+static int ip6_pkt_discard(struct sk_buff *skb)
 {
         IP6_INC_STATS(IPSTATS_MIB_OUTNOROUTES);
         icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_NOROUTE, 0, skb->dev);
@@ -1380,7 +1380,7 @@ int ip6_pkt_discard(struct sk_buff *skb)
         return 0;
 }
 
-int ip6_pkt_discard_out(struct sk_buff *skb)
+static int ip6_pkt_discard_out(struct sk_buff *skb)
 {
         skb->dev = skb->dst->dev;
         return ip6_pkt_discard(skb);
@@ -1960,8 +1960,6 @@ static int rt6_proc_info(char *buffer, char **start, off_t offset, int length)
         return arg.len;
 }
 
-extern struct rt6_statistics rt6_stats;
-
 static int rt6_stats_seq_show(struct seq_file *seq, void *v)
 {
         seq_printf(seq, "%04x %04x %04x %04x %04x %04x %04x\n",
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index e553e5b80d6e..c3123c9e1a8e 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -770,7 +770,7 @@ static int ipip6_tunnel_init(struct net_device *dev)
         return 0;
 }
 
-int __init ipip6_fb_tunnel_init(struct net_device *dev)
+static int __init ipip6_fb_tunnel_init(struct net_device *dev)
 {
         struct ip_tunnel *tunnel = dev->priv;
         struct iphdr *iph = &tunnel->parms.iph;
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index 3a18e0e6ffed..8eff9fa1e983 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -14,9 +14,6 @@
 #include <net/ipv6.h>
 #include <net/addrconf.h>
 
-extern ctl_table ipv6_route_table[];
-extern ctl_table ipv6_icmp_table[];
-
 #ifdef CONFIG_SYSCTL
 
 static ctl_table ipv6_table[] = {
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index fb291b81cf63..794734f1d230 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1910,8 +1910,6 @@ static int tcp_v6_init_sock(struct sock *sk)
 
 static int tcp_v6_destroy_sock(struct sock *sk)
 {
-        extern int tcp_v4_destroy_sock(struct sock *sk);
-
         tcp_v4_destroy_sock(sk);
         return inet6_destroy_sock(sk);
 }
@@ -2123,8 +2121,6 @@ static struct inet6_protocol tcpv6_protocol = {
         .flags          =       INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
 };
 
-extern struct proto_ops inet6_stream_ops;
-
 static struct inet_protosw tcpv6_protosw = {
         .type           =       SOCK_STREAM,
         .protocol       =       IPPROTO_TCP,
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index c348307e5773..67d9a04b6902 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1054,8 +1054,6 @@ struct proto udpv6_prot = {
         .obj_size =     sizeof(struct udp6_sock),
 };
 
-extern struct proto_ops inet6_dgram_ops;
-
 static struct inet_protosw udpv6_protosw = {
         .type =      SOCK_DGRAM,
         .protocol =  IPPROTO_UDP,
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 180e383f707c..34b3bb868409 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -1940,9 +1940,7 @@ static struct notifier_block ipx_dev_notifier = {
 };
 
 extern struct datalink_proto *make_EII_client(void);
-extern struct datalink_proto *make_8023_client(void);
 extern void destroy_EII_client(struct datalink_proto *);
-extern void destroy_8023_client(struct datalink_proto *);
 
 static unsigned char ipx_8022_type = 0xE0;
 static unsigned char ipx_snap_id[5] = { 0x0, 0x0, 0x0, 0x81, 0x37 };
diff --git a/net/socket.c b/net/socket.c
index 5f76ab8a1594..ce69b7862f59 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -70,6 +70,8 @@
 #include <linux/seq_file.h>
 #include <linux/wanrouter.h>
 #include <linux/if_bridge.h>
+#include <linux/if_frad.h>
+#include <linux/if_vlan.h>
 #include <linux/init.h>
 #include <linux/poll.h>
 #include <linux/cache.h>
@@ -724,8 +726,8 @@ static ssize_t sock_aio_write(struct kiocb *iocb, const char __user *ubuf,
         return __sock_sendmsg(iocb, sock, &x->async_msg, size);
 }
 
-ssize_t sock_sendpage(struct file *file, struct page *page,
-                      int offset, size_t size, loff_t *ppos, int more)
+static ssize_t sock_sendpage(struct file *file, struct page *page,
+                             int offset, size_t size, loff_t *ppos, int more)
 {
         struct socket *sock;
         int flags;
@@ -948,7 +950,7 @@ static int sock_mmap(struct file * file, struct vm_area_struct * vma)
         return sock->ops->mmap(file, sock, vma);
 }
 
-int sock_close(struct inode *inode, struct file *filp)
+static int sock_close(struct inode *inode, struct file *filp)
 {
         /*
          *      It was possible the inode is NULL we were 
@@ -2027,9 +2029,6 @@ int sock_unregister(int family)
         return 0;
 }
 
-
-extern void sk_init(void);
-
 void __init sock_init(void)
 {
         /*
diff --git a/net/sysctl_net.c b/net/sysctl_net.c
index 3f6e31069c54..c5241fcbb966 100644
--- a/net/sysctl_net.c
+++ b/net/sysctl_net.c
@@ -17,17 +17,15 @@
 #include <linux/sysctl.h>
 
 #ifdef CONFIG_INET
-extern struct ctl_table ipv4_table[];
+#include <net/ip.h>
 #endif
 
-extern struct ctl_table core_table[];
-
 #ifdef CONFIG_NET
-extern struct ctl_table ether_table[];
+#include <linux/if_ether.h>
 #endif
 
 #ifdef CONFIG_TR
-extern struct ctl_table tr_table[];
+#include <linux/if_tr.h>
 #endif
 
 struct ctl_table net_table[] = {
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index bc4c44552c1f..41feca3bef86 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2026,14 +2026,6 @@ static struct net_proto_family unix_family_ops = {
         .owner  = THIS_MODULE,
 };
 
-#ifdef CONFIG_SYSCTL
-extern void unix_sysctl_register(void);
-extern void unix_sysctl_unregister(void);
-#else
-static inline void unix_sysctl_register(void) {}
-static inline void unix_sysctl_unregister(void) {}
-#endif
-
 static int __init af_unix_init(void)
 {
         int rc = -1;
diff --git a/net/unix/sysctl_net_unix.c b/net/unix/sysctl_net_unix.c
index c974dac4580a..690ffa5d5bfb 100644
--- a/net/unix/sysctl_net_unix.c
+++ b/net/unix/sysctl_net_unix.c
@@ -12,7 +12,7 @@
 #include <linux/mm.h>
 #include <linux/sysctl.h>
 
-extern int sysctl_unix_max_dgram_qlen;
+#include <net/af_unix.h>
 
 static ctl_table unix_table[] = {
         {