[dts] [DTS][PATCH] fix tx crc issue

[Xu, HuilongX]

Hi haifeng,
As we know, crc strip always enable, and it not need to test. Maybe we can remove count crc size when we check package size,
We can add comments in our test plan and code.
Thanks a lot 

> -----Original Message-----
> From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of haifeng
> Sent: Wednesday, November 25, 2015 3:56 PM
> To: dts at dpdk.org
> Subject: [dts] [DTS][PATCH] fix tx crc issue
> 
> Signed-off-by: haifeng <haifengx.tang at intel.com>
> ---
>  tests/TestSuite_shutdown_api.py | 27 ++++++++-------------------
>  1 file changed, 8 insertions(+), 19 deletions(-)
> 
> diff --git a/tests/TestSuite_shutdown_api.py
> b/tests/TestSuite_shutdown_api.py
> index 23888f4..411e4bf 100644
> --- a/tests/TestSuite_shutdown_api.py
> +++ b/tests/TestSuite_shutdown_api.py
> @@ -82,7 +82,7 @@ class TestShutdownApi(TestCase):
>          stats = output.get_pmd_stats(portid)
>          return stats
> 
> -    def check_forwarding(self, ports=None, pktSize=68, received=True,
> vlan=False, promisc=False, crcStrip=False):
> +    def check_forwarding(self, ports=None, pktSize=68, received=True,
> vlan=False, promisc=False, crcStrip=True):
>          if ports is None:
>              ports = self.ports
>          if len(ports) == 1:
> @@ -146,25 +146,14 @@ class TestShutdownApi(TestCase):
>                  # RRC will always strip rx/tx vlan
>                  rx_bytes_exp -= 4
>                  tx_bytes_exp -= 4
> -        elif self.nic in ["fortville_eagle", "fortville_spirit",
> -                        "fortville_spirit_single", "bartonhills"]:
> -            # some NIC will always strip tx crc
> -            tx_bytes_exp -= 4
> -            if vlan is True:
> -                # vlan strip default is on
> -                tx_bytes_exp -= 4
> -        elif self.nic in ["springville", "powerville"]:
> -            if vlan is True:
> -                # vlan strip default is on
> -                tx_bytes_exp -= 4
>          else:
> -            # some NIC will always include tx crc
> -            if crcStrip is True:
> -                rx_bytes_exp -= 4
> -            if vlan is True:
> -                # vlan strip default is on
> -                tx_bytes_exp -= 4
> -
> +             if self.nic not in ['kawela_4']:
> +                 tx_bytes_exp -= 4
> +                 if crcStrip is True:
> +                     rx_bytes_exp -= 4
> +             if vlan is True:
> +                tx_bytes_exp -= 4
> +
>          if received:
>              self.verify(p0tx_pkts == p1rx_pkts, "Wrong TX pkts p0_tx=%d,
> p1_rx=%d" % (p0tx_pkts, p1rx_pkts))
>              self.verify(p1rx_bytes == rx_bytes_exp, "Wrong Rx bytes
> p1_rx=%d, expect=%d" % (p1rx_bytes, rx_bytes_exp))
> --
> 1.9.3