Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index c759d1c..3515ca6 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -26,7 +26,7 @@
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;
@@ -37,7 +37,9 @@
unsigned long mr_v1_seen;
unsigned long mr_v2_seen;
unsigned long mr_maxdelay;
- unsigned char mr_qrv;
+ unsigned long mr_qi; /* Query Interval */
+ unsigned long mr_qri; /* Query Response Interval */
+ unsigned char mr_qrv; /* Query Robustness Variable */
unsigned char mr_gq_running;
unsigned char mr_ifc_count;
struct timer_list mr_gq_timer; /* general query timer */
@@ -134,7 +136,7 @@
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;
@@ -184,7 +186,7 @@
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);
}
@@ -204,14 +206,13 @@
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)
{
@@ -235,6 +236,20 @@
return rtnl_dereference(dev->ip_ptr);
}
+/* called with rcu_read_lock or rtnl held */
+static inline bool ip_ignore_linkdown(const struct net_device *dev)
+{
+ struct in_device *in_dev;
+ bool rc = false;
+
+ in_dev = rcu_dereference_rtnl(dev->ip_ptr);
+ if (in_dev &&
+ IN_DEV_IGNORE_ROUTES_WITH_LINKDOWN(in_dev))
+ rc = true;
+
+ return rc;
+}
+
static inline struct neigh_parms *__in_dev_arp_parms_get_rcu(const struct net_device *dev)
{
struct in_device *in_dev = __in_dev_get_rcu(dev);