[dts] add rss hash key size case

[Liu, Yong]

Huilong,
There should be one new line before function test_rss_key_size. And one comment about log message.

> -----Original Message-----
> From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of huilongx,xu
> Sent: Monday, July 13, 2015 1:43 PM
> To: dts at dpdk.org
> Subject: [dts] add rss hash key size case
> 
> From: huilong xu <huilongx.xu at intel.com>
> 
> 
> Signed-off-by: huilong xu <huilongx.xu at intel.com>
> ---
>  tests/TestSuite_pmdrssreta.py |   24 ++++++++++++++++++++++++
>  1 files changed, 24 insertions(+), 0 deletions(-)
> 
> diff --git a/tests/TestSuite_pmdrssreta.py b/tests/TestSuite_pmdrssreta.py
> index 60f340d..1749889 100644
> --- a/tests/TestSuite_pmdrssreta.py
> +++ b/tests/TestSuite_pmdrssreta.py
> @@ -241,6 +241,30 @@ class TestPmdrssreta(TestCase):
>                  self.send_packet(itf, iptype)
> 
>              self.dut.send_expect("quit", "# ", 30)
> +    def test_rss_key_size(self):
> +        nic_rss_key_size = {"fortville_eagle":52, "fortville_spirit":52,
> "fortville_spirit_single":52, "niantic": 40, "e1000": 40}
> +        dutPorts = self.dut.get_ports(self.nic)
> +        localPort = self.tester.get_local_port(dutPorts[0])
> +        itf = self.tester.get_interface(localPort)
> +        self.dut.kill_all()
> +        self.dut.send_expect("./%s/app/testpmd  -c fffff -n %d -- -i --
> coremask=0xffffe --rxq=2 --txq=2" % (self.target,
> self.dut.get_memory_channels()), "testpmd> ", 120)
> +        self.dut.send_expect("start", "testpmd> ", 120)
> +        out = self.dut.send_expect("show port info all", "testpmd> ", 120)
> +        self.dut.send_expect("quit", "# ", 30)
> +        print out
> +
> +        pattern = re.compile("Hash key size in bytes:\s(\d+)")
> +        m = pattern.search(out)
> +        if m is not None:
> +            size = m.group(1)
> +            print "******************"
> +            print size
> +            print self.nic

Can you optimize this simple print to more meaningful sentence, like "Niantic Rss size should be 40 and testpmd reported 40".

> +            print nic_rss_key_size[self.nic]
> +            if (nic_rss_key_size[self.nic] == int(size)):
> +                self.verify(True, "pass")
> +            else:
> +                self.verify(False, "fail")
> 
>      def tear_down(self):
>          """
> --
> 1.7.4.4