Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 54 insertions, 38 deletions

diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 4d40c4d0230b..582e4ae70753 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -1,8 +1,6 @@
 #ifndef _ADDRCONF_H
 #define _ADDRCONF_H
 
-#define RETRANS_TIMER   HZ
-
 #define MAX_RTR_SOLICITATIONS           3
 #define RTR_SOLICITATION_INTERVAL       (4*HZ)
 
@@ -44,8 +42,6 @@ struct prefix_info {
 };
 
 
-#ifdef __KERNEL__
-
 #include <linux/netdevice.h>
 #include <net/if_inet6.h>
 #include <net/ipv6.h>
@@ -63,16 +59,16 @@ extern int			addrconf_set_dstaddr(struct net *net,
                                                      void __user *arg);
 
 extern int                      ipv6_chk_addr(struct net *net,
-                                              struct in6_addr *addr,
+                                              const struct in6_addr *addr,
                                               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,
-                                                   struct in6_addr *addr);
+                                                   const struct in6_addr *addr);
 #endif
 
-extern int                      ipv6_chk_prefix(struct in6_addr *addr,
+extern int                      ipv6_chk_prefix(const struct in6_addr *addr,
                                                 struct net_device *dev);
 
 extern struct inet6_ifaddr      *ipv6_get_ifaddr(struct net *net,
@@ -91,9 +87,9 @@ extern int			ipv6_get_lladdr(struct net_device *dev,
 extern int                      ipv6_rcv_saddr_equal(const struct sock *sk,
                                                     const struct sock *sk2);
 extern void                     addrconf_join_solict(struct net_device *dev,
-                                        struct in6_addr *addr);
+                                        const struct in6_addr *addr);
 extern void                     addrconf_leave_solict(struct inet6_dev *idev,
-                                        struct in6_addr *addr);
+                                        const struct in6_addr *addr);
 
 static inline unsigned long addrconf_timeout_fixup(u32 timeout,
                                                     unsigned unit)
@@ -160,35 +156,47 @@ extern void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len);
 /*
  *      anycast prototypes (anycast.c)
  */
-extern int ipv6_sock_ac_join(struct sock *sk,int ifindex,struct in6_addr *addr);
-extern int ipv6_sock_ac_drop(struct sock *sk,int ifindex,struct in6_addr *addr);
+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 inet6_ac_check(struct sock *sk, struct in6_addr *addr, int ifindex);
+extern int inet6_ac_check(struct sock *sk, const struct in6_addr *addr, int ifindex);
 
-extern int ipv6_dev_ac_inc(struct net_device *dev, struct in6_addr *addr);
-extern int __ipv6_dev_ac_dec(struct inet6_dev *idev, struct in6_addr *addr);
+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 int ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
-                               struct in6_addr *addr);
+                               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);
 
-static inline struct inet6_dev *
-__in6_dev_get(struct net_device *dev)
+/**
+ * __in6_dev_get - get inet6_dev pointer from netdevice
+ * @dev: network device
+ *
+ * Caller must hold rcu_read_lock or RTNL, because this function
+ * does not take a reference on the inet6_dev.
+ */
+static inline struct inet6_dev *__in6_dev_get(const struct net_device *dev)
 {
-        return rcu_dereference_check(dev->ip6_ptr,
-                                     rcu_read_lock_held() ||
-                                     lockdep_rtnl_is_held());
+        return rcu_dereference_rtnl(dev->ip6_ptr);
 }
 
-static inline struct inet6_dev *
-in6_dev_get(struct net_device *dev)
+/**
+ * in6_dev_get - get inet6_dev pointer from netdevice
+ * @dev: network device
+ *
+ * This version can be used in any context, and takes a reference
+ * on the inet6_dev. Callers must use in6_dev_put() later to
+ * release this reference.
+ */
+static inline struct inet6_dev *in6_dev_get(const struct net_device *dev)
 {
-        struct inet6_dev *idev = NULL;
+        struct inet6_dev *idev;
+
         rcu_read_lock();
-        idev = __in6_dev_get(dev);
+        idev = rcu_dereference(dev->ip6_ptr);
         if (idev)
                 atomic_inc(&idev->refcnt);
         rcu_read_unlock();
@@ -197,16 +205,21 @@ in6_dev_get(struct net_device *dev)
 
 extern void in6_dev_finish_destroy(struct inet6_dev *idev);
 
-static inline void
-in6_dev_put(struct inet6_dev *idev)
+static inline void in6_dev_put(struct inet6_dev *idev)
 {
         if (atomic_dec_and_test(&idev->refcnt))
                 in6_dev_finish_destroy(idev);
 }
 
-#define __in6_dev_put(idev)  atomic_dec(&(idev)->refcnt)
-#define in6_dev_hold(idev)   atomic_inc(&(idev)->refcnt)
+static inline void __in6_dev_put(struct inet6_dev *idev)
+{
+        atomic_dec(&idev->refcnt);
+}
 
+static inline void in6_dev_hold(struct inet6_dev *idev)
+{
+        atomic_inc(&idev->refcnt);
+}
 
 extern void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp);
 
@@ -216,9 +229,15 @@ static inline void in6_ifa_put(struct inet6_ifaddr *ifp)
                 inet6_ifa_finish_destroy(ifp);
 }
 
-#define __in6_ifa_put(ifp)      atomic_dec(&(ifp)->refcnt)
-#define in6_ifa_hold(ifp)       atomic_inc(&(ifp)->refcnt)
+static inline void __in6_ifa_put(struct inet6_ifaddr *ifp)
+{
+        atomic_dec(&ifp->refcnt);
+}
 
+static inline void in6_ifa_hold(struct inet6_ifaddr *ifp)
+{
+        atomic_inc(&ifp->refcnt);
+}
 
 
 /*
@@ -241,23 +260,21 @@ static inline int ipv6_addr_is_multicast(const struct in6_addr *addr)
 
 static inline int ipv6_addr_is_ll_all_nodes(const struct in6_addr *addr)
 {
-        return (((addr->s6_addr32[0] ^ htonl(0xff020000)) |
+        return ((addr->s6_addr32[0] ^ htonl(0xff020000)) |
                 addr->s6_addr32[1] | addr->s6_addr32[2] |
-                (addr->s6_addr32[3] ^ htonl(0x00000001))) == 0);
+                (addr->s6_addr32[3] ^ htonl(0x00000001))) == 0;
 }
 
 static inline int ipv6_addr_is_ll_all_routers(const struct in6_addr *addr)
 {
-        return (((addr->s6_addr32[0] ^ htonl(0xff020000)) |
+        return ((addr->s6_addr32[0] ^ htonl(0xff020000)) |
                 addr->s6_addr32[1] | addr->s6_addr32[2] |
-                (addr->s6_addr32[3] ^ htonl(0x00000002))) == 0);
+                (addr->s6_addr32[3] ^ htonl(0x00000002))) == 0;
 }
 
-extern int __ipv6_isatap_ifid(u8 *eui, __be32 addr);
-
 static inline int ipv6_addr_is_isatap(const struct in6_addr *addr)
 {
-        return ((addr->s6_addr32[2] | htonl(0x02000000)) == htonl(0x02005EFE));
+        return (addr->s6_addr32[2] | htonl(0x02000000)) == htonl(0x02005EFE);
 }
 
 #ifdef CONFIG_PROC_FS
@@ -266,4 +283,3 @@ extern void if6_proc_exit(void);
 #endif
 
 #endif
-#endif