datapath: Add flow mask cache.

[sliver-openvswitch.git] / datapath / flow_table.h

diff --git a/datapath/flow_table.h b/datapath/flow_table.h
index ddf0c01..281d1da 100644 (file)
--- a/datapath/flow_table.h
+++ b/datapath/flow_table.h
@@ -36,6 +36,11 @@
 
 #include "flow.h"
 
+struct mask_cache_entry {
+       u32 skb_hash;
+       u32 mask_index;
+};
+
 struct table_instance {
        struct flex_array *buckets;
        unsigned int n_buckets;
@@ -47,6 +52,7 @@ struct table_instance {
 
 struct flow_table {
        struct table_instance __rcu *ti;
+       struct mask_cache_entry __percpu *mask_cache;
        struct list_head mask_list;
        unsigned long last_rehash;
        unsigned int count;
@@ -72,8 +78,9 @@ int  ovs_flow_tbl_num_masks(const struct flow_table *table);
 struct sw_flow *ovs_flow_tbl_dump_next(struct table_instance *table,
                                       u32 *bucket, u32 *idx);
 struct sw_flow *ovs_flow_tbl_lookup_stats(struct flow_table *,
-                                   const struct sw_flow_key *,
-                                   u32 *n_mask_hit);
+                                         const struct sw_flow_key *,
+                                         u32 skb_hash,
+                                         u32 *n_mask_hit);
 struct sw_flow *ovs_flow_tbl_lookup(struct flow_table *,
                                    const struct sw_flow_key *);