1 files changed, 92 insertions, 88 deletions

diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index c7b181cb47a6..fb314de2b61b 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -53,51 +53,36 @@ struct prefix_info {
 #define IN6_ADDR_HSIZE_SHIFT    4
 #define IN6_ADDR_HSIZE          (1 << IN6_ADDR_HSIZE_SHIFT)
 
-extern int                      addrconf_init(void);
-extern void                     addrconf_cleanup(void);
+int addrconf_init(void);
+void addrconf_cleanup(void);
 
-extern int                      addrconf_add_ifaddr(struct net *net,
-                                                    void __user *arg);
-extern int                      addrconf_del_ifaddr(struct net *net,
-                                                    void __user *arg);
-extern int                      addrconf_set_dstaddr(struct net *net,
-                                                     void __user *arg);
+int addrconf_add_ifaddr(struct net *net, void __user *arg);
+int addrconf_del_ifaddr(struct net *net, void __user *arg);
+int addrconf_set_dstaddr(struct net *net, void __user *arg);
 
-extern int                      ipv6_chk_addr(struct net *net,
-                                              const struct in6_addr *addr,
-                                              const struct net_device *dev,
-                                              int strict);
+int ipv6_chk_addr(struct net *net, const struct in6_addr *addr,
+                  const struct net_device *dev, int strict);
 
 #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
-extern int                      ipv6_chk_home_addr(struct net *net,
-                                                   const struct in6_addr *addr);
+int ipv6_chk_home_addr(struct net *net, const struct in6_addr *addr);
 #endif
 
-extern int                      ipv6_chk_prefix(const struct in6_addr *addr,
-                                                struct net_device *dev);
-
-extern struct inet6_ifaddr      *ipv6_get_ifaddr(struct net *net,
-                                                 const struct in6_addr *addr,
-                                                 struct net_device *dev,
-                                                 int strict);
-
-extern int                      ipv6_dev_get_saddr(struct net *net,
-                                               const struct net_device *dev,
-                                               const struct in6_addr *daddr,
-                                               unsigned int srcprefs,
-                                               struct in6_addr *saddr);
-extern int                      __ipv6_get_lladdr(struct inet6_dev *idev,
-                                                  struct in6_addr *addr,
-                                                  unsigned char banned_flags);
-extern int                      ipv6_get_lladdr(struct net_device *dev,
-                                                struct in6_addr *addr,
-                                                unsigned char banned_flags);
-extern int                      ipv6_rcv_saddr_equal(const struct sock *sk,
-                                                    const struct sock *sk2);
-extern void                     addrconf_join_solict(struct net_device *dev,
-                                        const struct in6_addr *addr);
-extern void                     addrconf_leave_solict(struct inet6_dev *idev,
-                                        const struct in6_addr *addr);
+int ipv6_chk_prefix(const struct in6_addr *addr, struct net_device *dev);
+
+struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net,
+                                     const struct in6_addr *addr,
+                                     struct net_device *dev, int strict);
+
+int ipv6_dev_get_saddr(struct net *net, const struct net_device *dev,
+                       const struct in6_addr *daddr, unsigned int srcprefs,
+                       struct in6_addr *saddr);
+int __ipv6_get_lladdr(struct inet6_dev *idev, struct in6_addr *addr,
+                      unsigned char banned_flags);
+int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr,
+                    unsigned char banned_flags);
+int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2);
+void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr);
+void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr);
 
 static inline unsigned long addrconf_timeout_fixup(u32 timeout,
                                                    unsigned int unit)
@@ -124,41 +109,58 @@ static inline int addrconf_finite_timeout(unsigned long timeout)
 /*
  *      IPv6 Address Label subsystem (addrlabel.c)
  */
-extern int                      ipv6_addr_label_init(void);
-extern void                     ipv6_addr_label_cleanup(void);
-extern void                     ipv6_addr_label_rtnl_register(void);
-extern u32                      ipv6_addr_label(struct net *net,
-                                                const struct in6_addr *addr,
-                                                int type, int ifindex);
+int ipv6_addr_label_init(void);
+void ipv6_addr_label_cleanup(void);
+void ipv6_addr_label_rtnl_register(void);
+u32 ipv6_addr_label(struct net *net, const struct in6_addr *addr,
+                    int type, int ifindex);
 
 /*
  *      multicast prototypes (mcast.c)
  */
-extern int ipv6_sock_mc_join(struct sock *sk, int ifindex,
-                             const struct in6_addr *addr);
-extern int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
-                             const struct in6_addr *addr);
-extern void ipv6_sock_mc_close(struct sock *sk);
-extern bool inet6_mc_check(struct sock *sk,
-                           const struct in6_addr *mc_addr,
-                           const struct in6_addr *src_addr);
-
-extern int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr);
-extern int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr);
-extern int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr);
-extern void ipv6_mc_up(struct inet6_dev *idev);
-extern void ipv6_mc_down(struct inet6_dev *idev);
-extern void ipv6_mc_unmap(struct inet6_dev *idev);
-extern void ipv6_mc_remap(struct inet6_dev *idev);
-extern void ipv6_mc_init_dev(struct inet6_dev *idev);
-extern void ipv6_mc_destroy_dev(struct inet6_dev *idev);
-extern void addrconf_dad_failure(struct inet6_ifaddr *ifp);
-
-extern bool ipv6_chk_mcast_addr(struct net_device *dev,
-                                const struct in6_addr *group,
-                                const struct in6_addr *src_addr);
-
-extern void ipv6_mc_dad_complete(struct inet6_dev *idev);
+int ipv6_sock_mc_join(struct sock *sk, int ifindex,
+                      const struct in6_addr *addr);
+int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
+                      const struct in6_addr *addr);
+void ipv6_sock_mc_close(struct sock *sk);
+bool inet6_mc_check(struct sock *sk, const struct in6_addr *mc_addr,
+                    const struct in6_addr *src_addr);
+
+int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr);
+int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr);
+int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr);
+void ipv6_mc_up(struct inet6_dev *idev);
+void ipv6_mc_down(struct inet6_dev *idev);
+void ipv6_mc_unmap(struct inet6_dev *idev);
+void ipv6_mc_remap(struct inet6_dev *idev);
+void ipv6_mc_init_dev(struct inet6_dev *idev);
+void ipv6_mc_destroy_dev(struct inet6_dev *idev);
+void addrconf_dad_failure(struct inet6_ifaddr *ifp);
+
+bool ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,
+                         const struct in6_addr *src_addr);
+
+void ipv6_mc_dad_complete(struct inet6_dev *idev);
+
+/* A stub used by vxlan module. This is ugly, ideally these
+ * symbols should be built into the core kernel.
+ */
+struct ipv6_stub {
+        int (*ipv6_sock_mc_join)(struct sock *sk, int ifindex,
+                                 const struct in6_addr *addr);
+        int (*ipv6_sock_mc_drop)(struct sock *sk, int ifindex,
+                                 const struct in6_addr *addr);
+        int (*ipv6_dst_lookup)(struct sock *sk, struct dst_entry **dst,
+                                struct flowi6 *fl6);
+        void (*udpv6_encap_enable)(void);
+        void (*ndisc_send_na)(struct net_device *dev, struct neighbour *neigh,
+                              const struct in6_addr *daddr,
+                              const struct in6_addr *solicited_addr,
+                              bool router, bool solicited, bool override, bool inc_opt);
+        struct neigh_table *nd_tbl;
+};
+extern const struct ipv6_stub *ipv6_stub __read_mostly;
+
 /*
  * identify MLD packets for MLD filter exceptions
  */
@@ -184,29 +186,31 @@ static inline bool ipv6_is_mld(struct sk_buff *skb, int nexthdr, int offset)
         return false;
 }
 
-extern void addrconf_prefix_rcv(struct net_device *dev,
-                                u8 *opt, int len, bool sllao);
+void addrconf_prefix_rcv(struct net_device *dev,
+                         u8 *opt, int len, bool sllao);
 
 /*
  *      anycast prototypes (anycast.c)
  */
-extern int ipv6_sock_ac_join(struct sock *sk,int ifindex, const struct in6_addr *addr);
-extern int ipv6_sock_ac_drop(struct sock *sk,int ifindex, const struct in6_addr *addr);
-extern void ipv6_sock_ac_close(struct sock *sk);
-
-extern int ipv6_dev_ac_inc(struct net_device *dev, const struct in6_addr *addr);
-extern int __ipv6_dev_ac_dec(struct inet6_dev *idev, const struct in6_addr *addr);
-extern bool ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
+int ipv6_sock_ac_join(struct sock *sk, int ifindex,
+                      const struct in6_addr *addr);
+int ipv6_sock_ac_drop(struct sock *sk, int ifindex,
+                      const struct in6_addr *addr);
+void ipv6_sock_ac_close(struct sock *sk);
+
+int ipv6_dev_ac_inc(struct net_device *dev, const struct in6_addr *addr);
+int __ipv6_dev_ac_dec(struct inet6_dev *idev, const struct in6_addr *addr);
+bool ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
                                 const struct in6_addr *addr);
 
 
 /* Device notifier */
-extern int register_inet6addr_notifier(struct notifier_block *nb);
-extern int unregister_inet6addr_notifier(struct notifier_block *nb);
-extern int inet6addr_notifier_call_chain(unsigned long val, void *v);
+int register_inet6addr_notifier(struct notifier_block *nb);
+int unregister_inet6addr_notifier(struct notifier_block *nb);
+int inet6addr_notifier_call_chain(unsigned long val, void *v);
 
-extern void inet6_netconf_notify_devconf(struct net *net, int type, int ifindex,
-                                         struct ipv6_devconf *devconf);
+void inet6_netconf_notify_devconf(struct net *net, int type, int ifindex,
+                                  struct ipv6_devconf *devconf);
 
 /**
  * __in6_dev_get - get inet6_dev pointer from netdevice
@@ -240,7 +244,7 @@ static inline struct inet6_dev *in6_dev_get(const struct net_device *dev)
         return idev;
 }
 
-extern void in6_dev_finish_destroy(struct inet6_dev *idev);
+void in6_dev_finish_destroy(struct inet6_dev *idev);
 
 static inline void in6_dev_put(struct inet6_dev *idev)
 {
@@ -258,7 +262,7 @@ static inline void in6_dev_hold(struct inet6_dev *idev)
         atomic_inc(&idev->refcnt);
 }
 
-extern void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp);
+void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp);
 
 static inline void in6_ifa_put(struct inet6_ifaddr *ifp)
 {
@@ -340,8 +344,8 @@ static inline bool ipv6_addr_is_solict_mult(const struct in6_addr *addr)
 }
 
 #ifdef CONFIG_PROC_FS
-extern int if6_proc_init(void);
-extern void if6_proc_exit(void);
+int if6_proc_init(void);
+void if6_proc_exit(void);
 #endif
 
 #endif