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openvswitch: Use flow hash during flow lookup operation.

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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>
This commit is contained in:
Pravin B Shelar 2013-10-29 23:10:58 -07:00 committed by Jesse Gross
parent 5eb26b156e
commit 8ddd094675
1 changed files with 1 additions and 1 deletions
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2
net/openvswitch/flow_table.c
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@ -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;