[dts] [PATCH V1] tests/softnic: set mac mode for CVL nic

[xiewei]

if don't set fwd mode, it is io fwd by default.
but for CVL nic, if the dst mac of send packet is its own, 
the packet cannot be forwarded, so the packet can't be captured by tcpdump.
so set mac mode for CVL nic.

Signed-off-by: xiewei <weix.xie at intel.com>
---
 tests/TestSuite_softnic.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/TestSuite_softnic.py b/tests/TestSuite_softnic.py
index 0795b45c..e4934ffe 100644
--- a/tests/TestSuite_softnic.py
+++ b/tests/TestSuite_softnic.py
@@ -174,6 +174,8 @@ class TestSoftnic(TestCase):
                 self.pmdout.start_testpmd(list(range(3)), "--forward-mode=softnic --portmask=0x2",
                                           eal_param="-s 0x4 %s --vdev 'net_softnic0,firmware=/tmp/%s,cpu_id=1,conn_port=8086'" % (
                                           self.eal_param, 'nat_firmware.cli'))
+                if self.nic in ["columbiaville_100g", "columbiaville_25g", "columbiaville_25gx2"]:
+                    self.dut.send_expect("set fwd mac", "testpmd>")
                 self.dut.send_expect("start", "testpmd>")
                 # src ip tcp
                 for j in range(2):
-- 
2.17.1