aboutsummaryrefslogtreecommitdiffstats
path: root/include/net
diff options
context:
space:
mode:
Diffstat (limited to 'include/net')
-rw-r--r--include/net/flow.h5
-rw-r--r--include/net/flowcache.h25
-rw-r--r--include/net/netns/xfrm.h11
3 files changed, 39 insertions, 2 deletions
diff --git a/include/net/flow.h b/include/net/flow.h
index d23e7fa2042e..bee3741e5a6f 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -218,9 +218,10 @@ struct flow_cache_object *flow_cache_lookup(struct net *net,
const struct flowi *key, u16 family,
u8 dir, flow_resolve_t resolver,
void *ctx);
+int flow_cache_init(struct net *net);
-void flow_cache_flush(void);
-void flow_cache_flush_deferred(void);
+void flow_cache_flush(struct net *net);
+void flow_cache_flush_deferred(struct net *net);
extern atomic_t flow_cache_genid;
#endif
diff --git a/include/net/flowcache.h b/include/net/flowcache.h
new file mode 100644
index 000000000000..c8f665ec6e0d
--- /dev/null
+++ b/include/net/flowcache.h
@@ -0,0 +1,25 @@
+#ifndef _NET_FLOWCACHE_H
+#define _NET_FLOWCACHE_H
+
+#include <linux/interrupt.h>
+#include <linux/types.h>
+#include <linux/timer.h>
+#include <linux/notifier.h>
+
+struct flow_cache_percpu {
+ struct hlist_head *hash_table;
+ int hash_count;
+ u32 hash_rnd;
+ int hash_rnd_recalc;
+ struct tasklet_struct flush_tasklet;
+};
+
+struct flow_cache {
+ u32 hash_shift;
+ struct flow_cache_percpu __percpu *percpu;
+ struct notifier_block hotcpu_notifier;
+ int low_watermark;
+ int high_watermark;
+ struct timer_list rnd_timer;
+};
+#endif /* _NET_FLOWCACHE_H */
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 1006a265beb3..52d0086d55d3 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -6,6 +6,7 @@
#include <linux/workqueue.h>
#include <linux/xfrm.h>
#include <net/dst_ops.h>
+#include <net/flowcache.h>
struct ctl_table_header;
@@ -61,6 +62,16 @@ struct netns_xfrm {
spinlock_t xfrm_policy_sk_bundle_lock;
rwlock_t xfrm_policy_lock;
struct mutex xfrm_cfg_mutex;
+
+ /* flow cache part */
+ struct flow_cache flow_cache_global;
+ struct kmem_cache *flow_cachep;
+ atomic_t flow_cache_genid;
+ struct list_head flow_cache_gc_list;
+ spinlock_t flow_cache_gc_lock;
+ struct work_struct flow_cache_gc_work;
+ struct work_struct flow_cache_flush_work;
+ struct mutex flow_flush_sem;
};
#endif