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Diffstat (limited to 'include/linux/inetdevice.h')
-rw-r--r--include/linux/inetdevice.h19
1 files changed, 9 insertions, 10 deletions
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index 367dc2a0f84a..3515ca64e638 100644
--- 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;
@@ -186,7 +186,7 @@ __be32 inet_confirm_addr(struct net *net, struct in_device *in_dev, __be32 dst,
struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix,
__be32 mask);
struct in_ifaddr *inet_lookup_ifaddr_rcu(struct net *net, __be32 addr);
-static __inline__ bool inet_ifa_match(__be32 addr, struct in_ifaddr *ifa)
+static inline bool inet_ifa_match(__be32 addr, const struct in_ifaddr *ifa)
{
return !((addr^ifa->ifa_address)&ifa->ifa_mask);
}
@@ -206,14 +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 in_dev_for_each_ifa_rtnl(ifa, in_dev) \
+ for (ifa = rtnl_dereference((in_dev)->ifa_list); ifa; \
+ ifa = rtnl_dereference(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_rcu(ifa, in_dev) \
+ 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)
{