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authorPravin B Shelar <pshelar@nicira.com>2013-10-29 23:10:58 -0700
committerJesse Gross <jesse@nicira.com>2013-11-01 18:43:46 -0700
commit8ddd094675cfd453fc9838caa46ea108a4107183 (patch)
tree197ff564a74885ac227917a82c1e987454895878 /net/openvswitch/flow_table.c
parent5eb26b156e29eadcc21f73fb5d14497f0db24b86 (diff)
openvswitch: Use flow hash during flow lookup operation.
Flow->hash can be used to detect hash collisions and avoid flow key compare in flow lookup. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com>
Diffstat (limited to 'net/openvswitch/flow_table.c')
-rw-r--r--net/openvswitch/flow_table.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/openvswitch/flow_table.c b/net/openvswitch/flow_table.c
index 536b4d2a42e2..e42542706087 100644
--- a/net/openvswitch/flow_table.c
+++ b/net/openvswitch/flow_table.c
@@ -421,7 +421,7 @@ static struct sw_flow *masked_flow_lookup(struct table_instance *ti,
hash = flow_hash(&masked_key, key_start, key_end);
head = find_bucket(ti, hash);
hlist_for_each_entry_rcu(flow, head, hash_node[ti->node_ver]) {
- if (flow->mask == mask &&
+ if (flow->mask == mask && flow->hash == hash &&
flow_cmp_masked_key(flow, &masked_key,
key_start, key_end))
return flow;