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Commit 272c2cf8 authored by Joe Stringer's avatar Joe Stringer Committed by David S. Miller
Browse files

openvswitch: Use sw_flow_key_range for key ranges. 



These minor tidyups make a future patch a little tidier.

Signed-off-by: default avatarJoe Stringer <joestringer@nicira.com>
Acked-by: default avatarPravin B Shelar <pshelar@nicira.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d29ab6f8

net/openvswitch/flow_table.c

+9 −11
Original line number Diff line number Diff line
@@ -357,9 +357,11 @@ int ovs_flow_tbl_flush(struct flow_table *flow_table) 
	return 0;

}



static u32 flow_hash(const struct sw_flow_key *key, int key_start,

		     int key_end)

static u32 flow_hash(const struct sw_flow_key *key,

		     const struct sw_flow_key_range *range)

{

	int key_start = range->start;

	int key_end = range->end;

	const u32 *hash_key = (const u32 *)((const u8 *)key + key_start);

	int hash_u32s = (key_end - key_start) >> 2;
@@ -395,9 +397,9 @@ static bool cmp_key(const struct sw_flow_key *key1, 


static bool flow_cmp_masked_key(const struct sw_flow *flow,

				const struct sw_flow_key *key,

				int key_start, int key_end)

				const struct sw_flow_key_range *range)

{

	return cmp_key(&flow->key, key, key_start, key_end);

	return cmp_key(&flow->key, key, range->start, range->end);

}



bool ovs_flow_cmp_unmasked_key(const struct sw_flow *flow,
@@ -416,18 +418,15 @@ static struct sw_flow *masked_flow_lookup(struct table_instance *ti, 
{

	struct sw_flow *flow;

	struct hlist_head *head;

	int key_start = mask->range.start;

	int key_end = mask->range.end;

	u32 hash;

	struct sw_flow_key masked_key;



	ovs_flow_mask_key(&masked_key, unmasked, mask);

	hash = flow_hash(&masked_key, key_start, key_end);

	hash = flow_hash(&masked_key, &mask->range);

	head = find_bucket(ti, hash);

	hlist_for_each_entry_rcu(flow, head, hash_node[ti->node_ver]) {

		if (flow->mask == mask && flow->hash == hash &&

		    flow_cmp_masked_key(flow, &masked_key,

					  key_start, key_end))

		    flow_cmp_masked_key(flow, &masked_key, &mask->range))

			return flow;

	}

	return NULL;
@@ -590,8 +589,7 @@ static void flow_key_insert(struct flow_table *table, struct sw_flow *flow) 
	struct table_instance *new_ti = NULL;

	struct table_instance *ti;



	flow->hash = flow_hash(&flow->key, flow->mask->range.start,

			flow->mask->range.end);

	flow->hash = flow_hash(&flow->key, &flow->mask->range);

	ti = ovsl_dereference(table->ti);

	table_instance_insert(ti, flow);

	table->count++;