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Commit 8ddd0946 authored by Pravin B Shelar's avatar Pravin B Shelar Committed by Jesse Gross
Browse files

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: default avatarPravin B Shelar <pshelar@nicira.com>
Signed-off-by: default avatarJesse Gross <jesse@nicira.com>
parent 5eb26b15

net/openvswitch/flow_table.c

+1 −1
Original line number Diff line number Diff line
@@ -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;