[dts] [PATCH V2] tests/tso:Verify the chksum value.

["zhu,shuai" <shuaix.zhu@intel.com>]

 Add a new verification method.

Signed-off-by: zhu,shuai <shuaix.zhu@intel.com>
---
 tests/TestSuite_tso.py | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/tests/TestSuite_tso.py b/tests/TestSuite_tso.py
index 36e00fe..cf81068 100644
--- a/tests/TestSuite_tso.py
+++ b/tests/TestSuite_tso.py
@@ -44,6 +44,7 @@ import os
 from test_case import TestCase
 from settings import HEADER_SIZE
 from pktgen import PacketGeneratorHelper
+from packet import load_pcapfile, save_packets
 
 DEFAULT_MUT = 1500
 TSO_MTU = 9000
@@ -164,6 +165,32 @@ class TestTSO(TestCase):
         scanner = ('tcpdump  -vv -r tcpdump_{iface}.pcap 2>/dev/null | grep "seq"  | grep "length"')
         return self.tcpdump_scanner(scanner.format(**locals()))
 
+    def get_chksum_value_and_verify(self, dump_pcap, save_file, Nic_list):
+        self.pks = load_pcapfile(dump_pcap)
+        for i in range(len(self.pks)):
+            self.pks = load_pcapfile(dump_pcap)
+            pks = self.pks[i]
+            out = pks.pktgen.pkt.show
+            chksum_list = re.findall(r'chksum=(0x\w+)', str(out))
+            pks.pktgen.pkt['IP'].chksum=None
+            if "VXLAN" in str(out):
+                pks.pktgen.pkt['UDP'].chksum=None
+                pks.pktgen.pkt['VXLAN']['IP'].chksum=None
+                pks.pktgen.pkt['VXLAN']['TCP'].chksum=None
+            elif "GRE" in str(out):
+                pks.pktgen.pkt['GRE']['IP'].chksum=None
+                pks.pktgen.pkt['GRE']['TCP'].chksum=None
+            save_packets(self.pks, save_file
+            self.pks1 = load_pcapfile(save_file)
+            out1 = self.pks1[i].pktgen.pkt.show
+            chksum_list1 = re.findall(r'chksum=(0x\w+)', str(out1))
+            self.tester.send_expect("rm -rf %s" % save_file, "#")
+            if self.nic in Nic_list and "VXLAN" in str(out):
+                self.verify(chksum_list[0] == chksum_list1[0] and chksum_list[2] == chksum_list1[2] and chksum_list[3] == chksum_list1[3], \
+                            "The obtained chksum value is incorrect.")
+            else:
+                self.verify(chksum_list == chksum_list1, "The obtained chksum value is incorrect.")
+
     def test_tso(self):
         """
         TSO IPv4 TCP, IPv6 TCP, VXLan testing
@@ -257,6 +284,10 @@ class TestTSO(TestCase):
         """
         tx_interface = self.tester.get_interface(self.tester.get_local_port(self.dut_ports[0]))
         rx_interface = self.tester.get_interface(self.tester.get_local_port(self.dut_ports[1]))
+
+        Nic_list = ["fortville_eagle", "fortville_spirit", "fortville_spirit_single", "fortville_25g"]
+        save_file = "save.pcap"
+        dump_pcap = "/root/tcpdump_%s.pcap" % rx_interface
 
         mac = self.dut.get_mac_address(self.dut_ports[0])
 
@@ -276,6 +307,10 @@ class TestTSO(TestCase):
         self.dut.send_expect("csum set tcp hw %d" % self.dut_ports[0], "testpmd> ", 120)
         self.dut.send_expect("csum set sctp hw %d" % self.dut_ports[0], "testpmd> ", 120)
         self.dut.send_expect("csum set outer-ip hw %d" % self.dut_ports[0], "testpmd> ", 120)
+        if self.nic in Nic_list:
+            self.logger.warning("Warning: fvl serise not support outer udp.")
+        else:
+            self.dut.send_expect("csum set outer-udp hw %d" % self.dut_ports[0], "testpmd> ", 120)
         self.dut.send_expect("csum parse-tunnel on %d" % self.dut_ports[0], "testpmd> ", 120)
 
         self.dut.send_expect("csum set ip hw %d" % self.dut_ports[1], "testpmd> ", 120)
@@ -283,6 +318,10 @@ class TestTSO(TestCase):
         self.dut.send_expect("csum set tcp hw %d" % self.dut_ports[1], "testpmd> ", 120)
         self.dut.send_expect("csum set sctp hw %d" % self.dut_ports[1], "testpmd> ", 120)
         self.dut.send_expect("csum set outer-ip hw %d" % self.dut_ports[1], "testpmd> ", 120)
+        if self.nic in Nic_list:
+            self.logger.warning("Warning: fvl serise not support outer udp.")
+        else:
+            self.dut.send_expect("csum set outer-udp hw %d" % self.dut_ports[1], "testpmd> ", 120)
         self.dut.send_expect("csum parse-tunnel on %d" % self.dut_ports[1], "testpmd> ", 120)
 
         self.dut.send_expect("tunnel_tso set 800 %d" % self.dut_ports[1], "testpmd> ", 120)
@@ -317,6 +356,7 @@ class TestTSO(TestCase):
                     self.verify(int(tx_outlist[i]) == 800, "the packet segmentation incorrect, %s" % tx_outlist)
                 if loading_size% 800 != 0:
                     self.verify(int(tx_outlist[num]) == loading_size% 800, "the packet segmentation incorrect, %s" % tx_outlist)
+            self.get_chksum_value_and_verify(dump_pcap, save_file, Nic_list)
 
         for loading_size in self.loading_sizes:
             # Nvgre test
@@ -340,6 +380,7 @@ class TestTSO(TestCase):
                     self.verify(int(tx_outlist[i]) == 800, "the packet segmentation incorrect, %s" % tx_outlist)
                 if loading_size% 800 != 0:
                     self.verify(int(tx_outlist[num]) == loading_size% 800, "the packet segmentation incorrect, %s" % tx_outlist)
+            self.get_chksum_value_and_verify(dump_pcap, save_file, Nic_list)
 
     def test_perf_TSO_2ports(self):
         """
-- 
2.17.2