[ovs-discuss] packet drop error on ovs (with dpdk datapath)

[kursat]

Hi,

             While i am trying to drop packages, i interfere either 
strange error or totally wrong port stats. Is there anyone who can guide 
me or idea about this issue. I am using dpdk with ovs. Dpdk version 
is*2.2.0* and ovs is *1cef5fff1da194c67e4c502b376b8cffdec79e8b* commit 
on master branch.

I have 2 dpdk port :

  1(dpdk0): addr:3c:a8:2a:5b:63:84
      config:     0
      state:      0
      current:    1GB-FD
      supported:  10MB-FD
      speed: 1000 Mbps now, 10 Mbps max
  2(dpdk1): addr:3c:a8:2a:5b:63:85
      config:     0
      state:      0
      current:    1GB-FD
      supported:  10MB-FD
      speed: 1000 Mbps now, 10 Mbps max
  LOCAL(br0): addr:3c:a8:2a:5b:63:84
      config:     PORT_DOWN
      state:      LINK_DOWN
      current:    10MB-FD COPPER
      speed: 10 Mbps now, 0 Mbps max

[root at localhost ovs]# ovs-ofctl dump-ports br0
OFPST_PORT reply (xid=0x2): 3 ports
   port  1: rx pkts=0, bytes=0, drop=0, errs=0, frame=?, over=?, crc=?
            tx pkts=0, bytes=0, drop=0, errs=0, coll=?
   port LOCAL: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
            tx pkts=0, bytes=0, drop=0, errs=0, coll=0
   port  2: rx pkts=0, bytes=0, drop=0, errs=0, frame=?, over=?, crc=?
            tx pkts=0, bytes=0, drop=0, errs=0, coll=?

At this point i am adding a simple flow : ovs-ofctl -OOpenFlow13 
add-flow br0 'table=0, priority=100, in_port:2, action='

NXST_FLOW reply (xid=0x4):
  cookie=0x0, duration=5.118s, table=0, n_packets=0, n_bytes=0, 
idle_age=5, priority=100,in_port=2 actions=drop
  cookie=0x0, duration=65.077s, table=0, n_packets=0, n_bytes=0, 
idle_age=65, priority=0 actions=NORMAL

And i am sending packages to port 2  with tcpreplay. After sending 
packages, in port stats i can see sent package count but no dropped 
packages.

[root at localhost ovs]# ovs-ofctl dump-ports br0
OFPST_PORT reply (xid=0x2): 3 ports
   port  1: rx pkts=0, bytes=0, drop=0, errs=0, frame=?, over=?, crc=?
            tx pkts=0, bytes=0, drop=0, errs=0, coll=?
   port LOCAL: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
            tx pkts=0, bytes=0, drop=0, errs=0, coll=0
*  port  2: rx pkts=6270, bytes=6043021, drop=0,* errs=0, frame=?, 
over=?, crc=?
            tx pkts=0, bytes=0, drop=0, errs=0, coll=?

[root at localhost ovs]# ovs-ofctl dump-flows br0
NXST_FLOW reply (xid=0x4):
  cookie=0x0, duration=33.855s, table=0, n_packets=6270, 
n_bytes=6043021, idle_age=21, priority=100,in_port=2 actions=drop
  cookie=0x0, duration=47.501s, table=0, n_packets=0, n_bytes=0, 
idle_age=47, priority=0 actions=NORMAL

Any idea why i am interfering drop issue ?

Thanks in advance,
kursat



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