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

[han,yingya]

In testpmd show port stats command is to read FVL register, and it's all packets of FVL.
Contrast to FLV , Niantic's stats, tx/rx packets , don't include packets filtered.
It's a difference between Niantic and FLV.
Signed-off-by: han,yingya <yingyax.han at intel.com>
---
 tests/TestSuite_mac_filter.py | 35 ++++++++++++++++-------------------
 1 file changed, 16 insertions(+), 19 deletions(-)

diff --git a/tests/TestSuite_mac_filter.py b/tests/TestSuite_mac_filter.py
index 1c58b87..a0c890d 100644
--- a/tests/TestSuite_mac_filter.py
+++ b/tests/TestSuite_mac_filter.py
@@ -107,48 +107,45 @@ class TestWhitelist(TestCase):
 
         # send one packet with the portid MAC address
         self.whitelist_send_packet(portid, self.dest)
-        out = self.dut.send_expect("show port stats %d" % portid, "testpmd> ")
-        cur_rxpkt = utils.regexp(out, "RX-packets: ([0-9]+)")
+        out = self.dut.get_session_output()
+        cur_rxpkt = utils.regexp(out, "received ([0-9]+) packets")
         # check the packet increase
         self.verify(int(cur_rxpkt) == int(pre_rxpkt) + self.frames_to_send,
                     "Packet has not been received on default address")
         # send one packet to a different MAC address
         # new_mac = self.dut.get_mac_address(portid)
         self.whitelist_send_packet(portid, fake_mac_addr)
-
+        out = self.dut.get_session_output()
         pre_rxpkt = cur_rxpkt
-        out = self.dut.send_expect("show port stats %d" % portid, "testpmd> ")
-        cur_rxpkt = utils.regexp(out, "RX-packets: ([0-9]+)")
-
-        # check the packet DO NOT increase
-        self.verify(int(cur_rxpkt) == int(pre_rxpkt),
+        if not out:
+            cur_rxpkt = 0
+            # check the packet DO NOT increase
+            self.verify(int(cur_rxpkt) == int(pre_rxpkt) - self.frames_to_send,
                     "Packet has been received on a new MAC address that has not been added yet")
         # add the different MAC address
-        out = self.dut.send_expect("mac_addr add %d" % portid + " %s" % fake_mac_addr, "testpmd>")
+        self.dut.send_expect("mac_addr add %d" % portid + " %s" % fake_mac_addr, "testpmd>")
 
         # send again one packet to a different MAC address
         self.whitelist_send_packet(portid, fake_mac_addr)
-
+        out = self.dut.get_session_output()
         pre_rxpkt = cur_rxpkt
-        out = self.dut.send_expect("show port stats %d" % portid, "testpmd> ")
-        cur_rxpkt = utils.regexp(out, "RX-packets: ([0-9]+)")
+        cur_rxpkt = utils.regexp(out, "received ([0-9]+) packets")
 
         # check the packet increase
         self.verify(int(cur_rxpkt) == int(pre_rxpkt) + self.frames_to_send,
                     "Packet has not been received on a new MAC address that has been added to the port")
 
         # remove the fake MAC address
-        out = self.dut.send_expect("mac_addr remove %d" % portid + " %s" % fake_mac_addr, "testpmd>")
+        self.dut.send_expect("mac_addr remove %d" % portid + " %s" % fake_mac_addr, "testpmd>")
 
         # send again one packet to a different MAC address
         self.whitelist_send_packet(portid, fake_mac_addr)
-
+        out = self.dut.get_session_output()
         pre_rxpkt = cur_rxpkt
-        out = self.dut.send_expect("show port stats %d" % portid, "testpmd> ")
-        cur_rxpkt = utils.regexp(out, "RX-packets: ([0-9]+)")
-
-        # check the packet increase
-        self.verify(int(cur_rxpkt) == int(pre_rxpkt),
+        if not out:
+            cur_rxpkt = 0
+            # check the packet increase
+            self.verify(int(cur_rxpkt) == int(pre_rxpkt) - self.frames_to_send,
                     "Packet has been received on a new MAC address that has been removed from the port")
         self.dut.send_expect("stop", "testpmd> ")
 
-- 
1.9.3