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openvswitch: Fix tracking of flags seen in TCP flows.

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Flow statistics need to take into account the TCP flags from the packet
currently being processed (in 'key'), not the TCP flags matched by the
flow found in the kernel flow table (in 'flow').

This bug made the Open vSwitch userspace fin_timeout action have no effect
in many cases.
This bug is introduced by commit 88d73f6c41 (openvswitch: Use
TCP flags in the flow key for stats.)

Reported-by: Len Gao <leng@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Jarno Rajahalme <jrajahalme@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
This commit is contained in:
Ben Pfaff 2014-05-06 16:48:38 -07:00 • committed by Pravin B Shelar
parent e0bb8c44ed
commit ad55200734
3 changed files with 7 additions and 6 deletions
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4
net/openvswitch/datapath.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2007-2013 Nicira, Inc.
* Copyright (c) 2007-2014 Nicira, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
@ -276,7 +276,7 @@ void ovs_dp_process_received_packet(struct vport *p, struct sk_buff *skb)
OVS_CB(skb)->flow = flow;
OVS_CB(skb)->pkt_key = &key;
ovs_flow_stats_update(OVS_CB(skb)->flow, skb);
ovs_flow_stats_update(OVS_CB(skb)->flow, key.tp.flags, skb);
ovs_execute_actions(dp, skb);
stats_counter = &stats->n_hit;