[dts] [PATCH v2] add crc-strip param to start i40evf driver testpmd

[Xueqin Lin]

---
 framework/pmd_output.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/framework/pmd_output.py b/framework/pmd_output.py
index 13dcaef..1761595 100644
--- a/framework/pmd_output.py
+++ b/framework/pmd_output.py
@@ -31,6 +31,7 @@
 
 import os
 import re
+import settings
 from settings import TIMEOUT,PROTOCOL_PACKET_SIZE
 from utils import create_mask
 
@@ -43,6 +44,7 @@ class PmdOutput():
 
     def __init__(self, dut):
         self.dut = dut
+        self.NAME = '%s' % dut
         self.dut.testpmd = self
         self.rx_pkts_prefix = "RX-packets:"
         self.rx_missed_prefix = "RX-missed:"
@@ -100,6 +102,18 @@ class PmdOutput():
         return self.command
 
     def start_testpmd(self, cores, param='', eal_param='', socket=0):
+        """
+        add --crc-strip param to start i40evf driver testpmd in VM, which 
+        fix bug introduced in commit "1bbcc5d2" as workaround.        
+        """
+        if "virt_dut" in self.NAME:
+            for (pci_bus, pci_id) in self.dut.pci_devices_info:
+                if pci_id != "8086:100e":
+                    driver = settings.get_nic_driver(pci_id)
+            if driver == "i40evf":
+                if "--crc-strip" not in param:
+                    param += " --crc-strip"
+
         # in dpdk2.0 need used --txqflags param to open hardware features
         if "--txqflags" not in param:
             param += " --txqflags=0"
-- 
2.5.5