[dts] [PATCH V1]tests/userspace_ethtool: fix FVL stats issue

[Liu, Yong]

Yingya,
One comments below.

Thanks,
Marvin

> -----Original Message-----
> From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of han,yingya
> Sent: Thursday, March 29, 2018 3:44 PM
> To: dts at dpdk.org
> Cc: Han, YingyaX <yingyax.han at intel.com>
> Subject: [dts] [PATCH V1]tests/userspace_ethtool: fix FVL stats issue
> 
> FVL port statistic is retrieved from register.
> Those filtered packets still will be calculated in.
> Signed-off-by: han,yingya <yingyax.han at intel.com>
> ---
>  tests/TestSuite_userspace_ethtool.py | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)
> 
> diff --git a/tests/TestSuite_userspace_ethtool.py
> b/tests/TestSuite_userspace_ethtool.py
> index 84b1f1e..44bac01 100644
> --- a/tests/TestSuite_userspace_ethtool.py
> +++ b/tests/TestSuite_userspace_ethtool.py
> @@ -443,7 +443,11 @@ class TestUserspaceEthtool(TestCase,
> IxiaPacketGenerator):
>              pkt.send_pkt(tx_port=intf)
>              time.sleep(2)
>              rx_pkts_wrong, _ = self.strip_portstats(port)
> -            self.verify(rx_pkts_wrong == rx_pkts, "Failed to filter Rx
> vlan packet")
> +            if self.nic.startswith('fortville'):
> +                self.verify(rx_pkts_wrong == rx_pkts + 1, "Failed to
> filter Rx vlan packet")
> +                self.verify(_ == rx_pkts, "Failed to filter Rx vlan
> packet")
> +            else:
> +                self.verify(rx_pkts_wrong == rx_pkts, "Failed to filter
> Rx vlan packet")

Since transmitted packets number can be used to track the number of actually received packets,
Why not just use that one? Basic vlan feature has been covered in vlan suite, so I think
We can simplify the problem here. 

> 
>              # remove vlan
>              self.dut.send_expect("vlan %d del %d" % (index, vlan),
> "EthApp>")
> @@ -452,7 +456,11 @@ class TestUserspaceEthtool(TestCase,
> IxiaPacketGenerator):
>              pkt.send_pkt(tx_port=intf)
>              time.sleep(2)
>              rx_pkts_del, _ = self.strip_portstats(port)
> -            self.verify(rx_pkts_del == rx_pkts, "Failed to remove Rx vlan
> filter")
> +            if self.nic.startswith('fortville'):
> +                self.verify(rx_pkts_del == rx_pkts_wrong + 1, "Failed to
> filter Rx vlan packet")
> +                self.verify(_ == rx_pkts, "Failed to filter Rx vlan
> packet")
> +            else:
> +                self.verify(rx_pkts_del == rx_pkts, "Failed to filter Rx
> vlan packet")
> 
>          self.dut.send_expect("quit", "# ")
>          self.dut.send_expect("sed -i -e '/hw_vlan_filter=1;$/d' %s" %
> main_file, "# ")
> --
> 1.9.3