net: ipv4: provide __rcu annotation for ifa_list

[linux-2.6-microblaze.git] / include / linux / inetdevice.h

diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index d5d0550..3515ca6 100644 (file)
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -26,7 +26,7 @@ struct in_device {
        struct net_device       *dev;
        refcount_t              refcnt;
        int                     dead;
-       struct in_ifaddr        *ifa_list;      /* IP ifaddr chain              */
+       struct in_ifaddr        __rcu *ifa_list;/* IP ifaddr chain              */
 
        struct ip_mc_list __rcu *mc_list;       /* IP multicast filter chain    */
        struct ip_mc_list __rcu * __rcu *mc_hash;
@@ -136,7 +136,7 @@ static inline void ipv4_devconf_setall(struct in_device *in_dev)
 
 struct in_ifaddr {
        struct hlist_node       hash;
-       struct in_ifaddr        *ifa_next;
+       struct in_ifaddr        __rcu *ifa_next;
        struct in_device        *ifa_dev;
        struct rcu_head         rcu_head;
        __be32                  ifa_local;
@@ -206,22 +206,13 @@ static __inline__ bool bad_mask(__be32 mask, __be32 addr)
        return false;
 }
 
-#define for_primary_ifa(in_dev)        { struct in_ifaddr *ifa; \
-  for (ifa = (in_dev)->ifa_list; ifa && !(ifa->ifa_flags&IFA_F_SECONDARY); ifa = ifa->ifa_next)
-
-#define for_ifa(in_dev)        { struct in_ifaddr *ifa; \
-  for (ifa = (in_dev)->ifa_list; ifa; ifa = ifa->ifa_next)
-
-
-#define endfor_ifa(in_dev) }
-
 #define in_dev_for_each_ifa_rtnl(ifa, in_dev)                  \
-       for (ifa = (in_dev)->ifa_list; ifa;                     \
-            ifa = ifa->ifa_next)
+       for (ifa = rtnl_dereference((in_dev)->ifa_list); ifa;   \
+            ifa = rtnl_dereference(ifa->ifa_next))
 
 #define in_dev_for_each_ifa_rcu(ifa, in_dev)                   \
-       for (ifa = (in_dev)->ifa_list; ifa;                     \
-            ifa = ifa->ifa_next)
+       for (ifa = rcu_dereference((in_dev)->ifa_list); ifa;    \
+            ifa = rcu_dereference(ifa->ifa_next))
 
 static inline struct in_device *__in_dev_get_rcu(const struct net_device *dev)
 {