BVI Interface
[vpp.git] / test / vpp_pg_interface.py
index 1300f1f..8792e6c 100644 (file)
@@ -3,6 +3,8 @@ import time
 import socket
 import struct
 from traceback import format_exc, format_stack
+
+import scapy.compat
 from scapy.utils import wrpcap, rdpcap, PcapReader
 from scapy.plist import PacketList
 from vpp_interface import VppInterface
@@ -285,7 +287,7 @@ class VppPGInterface(VppInterface):
         while time.time() < deadline:
             if os.path.isfile(self.out_path):
                 break
-            time.sleep(0)  # yield
+            self._test.sleep(0)  # yield
         if os.path.isfile(self.out_path):
             self.test.logger.debug("Capture file appeared after %fs" %
                                    (time.time() - (deadline - timeout)))
@@ -353,7 +355,7 @@ class VppPGInterface(VppInterface):
             self.test.logger.debug("Polling for packet")
         while time.time() < deadline or poll:
             if not self.verify_enough_packet_data_in_pcap():
-                time.sleep(0)  # yield
+                self._test.sleep(0)  # yield
                 poll = False
                 continue
             p = self._pcap_reader.recv()
@@ -367,7 +369,7 @@ class VppPGInterface(VppInterface):
                         "Packet received after %fs" %
                         (time.time() - (deadline - timeout)))
                     return p
-            time.sleep(0)  # yield
+            self._test.sleep(0)  # yield
             poll = False
         self.test.logger.debug("Timeout - no packets received")
         raise CaptureTimeoutError("Packet didn't arrive within timeout")
@@ -414,7 +416,7 @@ class VppPGInterface(VppInterface):
         # Make Dot1AD packet content recognizable to scapy
         if arp_reply.type == 0x88a8:
             arp_reply.type = 0x8100
-            arp_reply = Ether(str(arp_reply))
+            arp_reply = Ether(scapy.compat.raw(arp_reply))
         try:
             if arp_reply[ARP].op == ARP.is_at:
                 self.test.logger.info("VPP %s MAC address is %s " %
@@ -460,8 +462,11 @@ class VppPGInterface(VppInterface):
             ndp_reply = captured_packet.copy()  # keep original for exception
             # Make Dot1AD packet content recognizable to scapy
             if ndp_reply.type == 0x88a8:
+                self._test.logger.info(
+                    "Replacing EtherType: 0x88a8 with "
+                    "0x8100 and regenerating Ethernet header. ")
                 ndp_reply.type = 0x8100
-                ndp_reply = Ether(str(ndp_reply))
+                ndp_reply = Ether(scapy.compat.raw(ndp_reply))
             try:
                 ndp_na = ndp_reply[ICMPv6ND_NA]
                 opt = ndp_na[ICMPv6NDOptDstLLAddr]