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openvswitch: Change ovs_flow_tbl_lookup_xx() APIs

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API changes only for code readability. No functional chnages.

This patch removes the underscored version. Added a new API
ovs_flow_tbl_lookup_stats() that returns the n_mask_hits.

Reported by: Ben Pfaff <blp@nicira.com>
Reviewed-by: Thomas Graf <tgraf@redhat.com>
Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Andy Zhou 2013-11-25 10:42:46 -08:00 • committed by Jesse Gross
parent 8f49ce1135
commit 5bb506324d
3 changed files with 16 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

16
net/openvswitch/datapath.c
View file

@ -234,7 +234,7 @@ void ovs_dp_process_received_packet(struct vport *p, struct sk_buff *skb)
}
/* Look up flow. */
flow = ovs_flow_tbl_lookup(&dp->table, &key, &n_mask_hit);
flow = ovs_flow_tbl_lookup_stats(&dp->table, &key, &n_mask_hit);
if (unlikely(!flow)) {
struct dp_upcall_info upcall;
@ -751,14 +751,6 @@ static struct sk_buff *ovs_flow_cmd_build_info(struct sw_flow *flow,
return skb;
}
static struct sw_flow *__ovs_flow_tbl_lookup(struct flow_table *tbl,
const struct sw_flow_key *key)
{
u32 __always_unused n_mask_hit;
return ovs_flow_tbl_lookup(tbl, key, &n_mask_hit);
}
static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, struct genl_info *info)
{
struct nlattr **a = info->attrs;
@ -809,7 +801,7 @@ static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, struct genl_info *info)
goto err_unlock_ovs;
/* Check if this is a duplicate flow */
flow = __ovs_flow_tbl_lookup(&dp->table, &key);
flow = ovs_flow_tbl_lookup(&dp->table, &key);
if (!flow) {
/* Bail out if we're not allowed to create a new flow. */
error = -ENOENT;
@ -921,7 +913,7 @@ static int ovs_flow_cmd_get(struct sk_buff *skb, struct genl_info *info)
goto unlock;
}
flow = __ovs_flow_tbl_lookup(&dp->table, &key);
flow = ovs_flow_tbl_lookup(&dp->table, &key);
if (!flow || !ovs_flow_cmp_unmasked_key(flow, &match)) {
err = -ENOENT;
goto unlock;
@ -969,7 +961,7 @@ static int ovs_flow_cmd_del(struct sk_buff *skb, struct genl_info *info)
if (err)
goto unlock;
flow = __ovs_flow_tbl_lookup(&dp->table, &key);
flow = ovs_flow_tbl_lookup(&dp->table, &key);
if (!flow || !ovs_flow_cmp_unmasked_key(flow, &match)) {
err = -ENOENT;
goto unlock;