[ovs-git] [openvswitch/ovs] d5484c: lib/tc: only update the stats for non-empty counter

Simon Horman noreply at github.com
Wed Jul 1 13:49:44 UTC 2020


  Branch: refs/heads/branch-2.13
  Home:   https://github.com/openvswitch/ovs
  Commit: d5484cf697e7d1572e705773aa100fd1ecce903e
      https://github.com/openvswitch/ovs/commit/d5484cf697e7d1572e705773aa100fd1ecce903e
  Author: wenxu <wenxu at ucloud.cn>
  Date:   2020-07-01 (Wed, 01 Jul 2020)

  Changed paths:
    M lib/tc.c

  Log Message:
  -----------
  lib/tc: only update the stats for non-empty counter

A packet with first frag and execute act_ct action.
The packet will stole by defrag. So the stats counter
for "gact action goto chain" will always 0. The openvswitch
update each action in order. So the flower stats finally
alway be zero. The rule will be delete adter max-idle time
even there are packet executing the action.

ovs-appctl dpctl/dump-flows
recirc_id(0),in_port(1),eth_type(0x0800),ipv4(dst=11.0.0.7,frag=first), packets:0, bytes:0, used:5.390s, actions:ct(zone=1,nat),recirc(0x4)

filter protocol ip pref 2 flower chain 0 handle 0x2
  eth_type ipv4
  dst_ip 1.1.1.1
  ip_flags frag/firstfrag
  skip_hw
  not_in_hw
 action order 1: ct zone 1 nat pipe
  index 2 ref 1 bind 1 installed 11 sec used 1 sec
 Action statistics:
 Sent 15000 bytes 11 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0
 cookie e04106c2ac41769b278edaa9b5309960

 action order 2: gact action goto chain 1
  random type none pass val 0
  index 2 ref 1 bind 1 installed 11 sec used 11 sec
 Action statistics:
 Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0
 cookie e04106c2ac41769b278edaa9b5309960

Signed-off-by: wenxu <wenxu at ucloud.cn>
Signed-off-by: Simon Horman <simon.horman at netronome.com>




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