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openvswitch: Optimize flow key match for non tunnel flows.

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Following patch adds start offset for sw_flow-key, so that we can
skip tunneling information in key for non-tunnel flows.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pravin B Shelar
2013-06-17 17:50:28 -07:00
committed by David S. Miller
parent ffe3f43217
commit a3e82996a8
3 changed files with 42 additions and 20 deletions
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7
net/openvswitch/datapath.c
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@ -894,10 +894,9 @@ static int ovs_packet_cmd_execute(struct sk_buff *skb, struct genl_info *info)
if (err)
goto err_flow_free;
err = ovs_flow_metadata_from_nlattrs(flow, a[OVS_PACKET_ATTR_KEY]);
err = ovs_flow_metadata_from_nlattrs(flow, key_len, a[OVS_PACKET_ATTR_KEY]);
if (err)
goto err_flow_free;
flow->hash = ovs_flow_hash(&flow->key, key_len);
acts = ovs_flow_actions_alloc(nla_len(a[OVS_PACKET_ATTR_ACTIONS]));
err = PTR_ERR(acts);
if (IS_ERR(acts))
@ -1276,14 +1275,12 @@ static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, struct genl_info *info)
error = PTR_ERR(flow);
goto err_unlock_ovs;
}
flow->key = key;
clear_stats(flow);
rcu_assign_pointer(flow->sf_acts, acts);
/* Put flow in bucket. */
flow->hash = ovs_flow_hash(&key, key_len);
ovs_flow_tbl_insert(table, flow);
ovs_flow_tbl_insert(table, flow, &key, key_len);
reply = ovs_flow_cmd_build_info(flow, dp, info->snd_portid,
info->snd_seq,