-#!/usr/bin/env python
+#!/usr/bin/env python3
import unittest
from scapy.packet import Raw
-from scapy.layers.l2 import Ether, Dot1Q, GRE
+from scapy.layers.l2 import Ether, Dot1Q, GRE, ERSPAN
from scapy.layers.inet import IP, UDP
from scapy.layers.vxlan import VXLAN
from framework import VppTestCase, VppTestRunner
from util import Host, ppp
-from vpp_sub_interface import VppDot1QSubint, VppDot1ADSubint
-from vpp_gre_interface import VppGreInterface, VppGre6Interface
-from vpp_papi_provider import L2_VTR_OP
+from vpp_sub_interface import L2_VTR_OP, VppDot1QSubint, VppDot1ADSubint
+from vpp_gre_interface import VppGreInterface
+from vpp_vxlan_tunnel import VppVxlanTunnel
from collections import namedtuple
+from vpp_papi import VppEnum
+
Tag = namedtuple('Tag', ['dot1', 'vlan'])
DOT1AD = 0x88A8
i.config_ip4()
i.resolve_arp()
- cls.vxlan = cls.vapi.vxlan_add_del_tunnel(
- src_addr=cls.pg2.local_ip4n,
- dst_addr=cls.pg2.remote_ip4n,
- vni=1111,
- is_add=1)
-
def setUp(self):
super(TestSpan, self).setUp()
+ self.vxlan = VppVxlanTunnel(self, src=self.pg2.local_ip4,
+ dst=self.pg2.remote_ip4, vni=1111)
+ self.vxlan.add_vpp_config()
self.reset_packet_infos()
def tearDown(self):
super(TestSpan, self).tearDown()
- if not self.vpp_dead:
- self.logger.info(self.vapi.ppcli("show interface span"))
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.ppcli("show interface span"))
def xconnect(self, a, b, is_add=1):
self.vapi.sw_interface_set_l2_xconnect(a, b, enable=is_add)
self.vapi.sw_interface_set_l2_xconnect(b, a, enable=is_add)
def bridge(self, sw_if_index, is_add=1):
- self.vapi.sw_interface_set_l2_bridge(
- sw_if_index, bd_id=self.bd_id, enable=is_add)
+ self.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=sw_if_index,
+ bd_id=self.bd_id, enable=is_add)
def _remove_tag(self, packet, vlan, tag_type):
self.assertEqual(packet.type, tag_type)
return pkt[GRE].payload
+ def decap_erspan(self, pkt, session):
+ """
+ Decapsulate the original payload frame by removing ERSPAN header
+ """
+ self.assertEqual(pkt[Ether].src, self.pg2.local_mac)
+ self.assertEqual(pkt[Ether].dst, self.pg2.remote_mac)
+
+ self.assertEqual(pkt[IP].src, self.pg2.local_ip4)
+ self.assertEqual(pkt[IP].dst, self.pg2.remote_ip4)
+
+ self.assertEqual(pkt[ERSPAN].ver, 1)
+ self.assertEqual(pkt[ERSPAN].vlan, 0)
+ self.assertEqual(pkt[ERSPAN].cos, 0)
+ self.assertEqual(pkt[ERSPAN].en, 3)
+ self.assertEqual(pkt[ERSPAN].t, 0)
+ self.assertEqual(pkt[ERSPAN].session_id, session)
+ self.assertEqual(pkt[ERSPAN].reserved, 0)
+ self.assertEqual(pkt[ERSPAN].index, 0)
+
+ return pkt[ERSPAN].payload
+
def decap_vxlan(self, pkt):
"""
Decapsulate the original payload frame by removing VXLAN header
for i in range(0, self.pkts_per_burst):
payload = "span test"
- size = packet_sizes[(i / 2) % len(packet_sizes)]
+ size = packet_sizes[int((i / 2) % len(packet_sizes))]
p = (Ether(src=src_if.local_mac, dst=dst_mac) /
IP(src=src_if.remote_ip4, dst=dst_if.remote_ip4) /
UDP(sport=10000 + src_if.sw_if_index * 1000 + i, dport=1234) /
self.sub_if.admin_up()
self.vapi.sw_interface_set_flags(self.vxlan.sw_if_index,
- admin_up_down=1)
+ flags=1)
self.bridge(self.vxlan.sw_if_index, is_add=1)
# Create bi-directional cross-connects between pg0 subif and pg1
self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0)
self.verify_capture(pg1_pkts, pg2_pkts)
+ def test_span_l2_rx_dst_gre_erspan(self):
+ """ SPAN l2 rx mirror into gre-erspan """
+
+ self.sub_if.admin_up()
+
+ gre_if = VppGreInterface(self, self.pg2.local_ip4,
+ self.pg2.remote_ip4,
+ session=543,
+ type=(VppEnum.vl_api_gre_tunnel_type_t.
+ GRE_API_TUNNEL_TYPE_ERSPAN))
+
+ gre_if.add_vpp_config()
+ gre_if.admin_up()
+
+ self.bridge(gre_if.sw_if_index)
+ # Create bi-directional cross-connects between pg0 and pg1
+ self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=1)
+
+ # Create incoming packet streams for packet-generator interfaces
+ pkts = self.create_stream(
+ self.pg0, self.pg_if_packet_sizes, do_dot1=True)
+ self.pg0.add_stream(pkts)
+
+ # Enable SPAN on pg0 sub if (mirrored to gre-erspan)
+ self.vapi.sw_interface_span_enable_disable(
+ self.sub_if.sw_if_index, gre_if.sw_if_index, is_l2=1)
+
+ # Enable packet capturing and start packet sending
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Verify packets outgoing packet streams on mirrored interface (pg2)
+ n_pkts = len(pkts)
+ pg1_pkts = self.pg1.get_capture(n_pkts)
+ pg2_pkts = self.pg2.get_capture(n_pkts)
+
+ def decap(p): return self.decap_erspan(p, session=543)
+ pg2_decaped = [decap(p) for p in pg2_pkts]
+
+ self.bridge(gre_if.sw_if_index, is_add=0)
+
+ # Disable SPAN on pg0 sub if
+ self.vapi.sw_interface_span_enable_disable(
+ self.sub_if.sw_if_index, gre_if.sw_if_index, state=0, is_l2=1)
+ gre_if.remove_vpp_config()
+ self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0)
+
+ self.verify_capture(pg1_pkts, pg2_decaped)
+
def test_span_l2_rx_dst_gre_subif_vtr(self):
""" SPAN l2 rx mirror into gre-subif+vtr """
gre_if = VppGreInterface(self, self.pg2.local_ip4,
self.pg2.remote_ip4,
- is_teb=1)
+ type=(VppEnum.vl_api_gre_tunnel_type_t.
+ GRE_API_TUNNEL_TYPE_TEB))
gre_if.add_vpp_config()
gre_if.admin_up()
self.pg0, self.pg_if_packet_sizes, do_dot1=True)
self.pg0.add_stream(pkts)
+ # Enable SPAN on pg0 sub if (mirrored to gre sub if)
self.vapi.sw_interface_span_enable_disable(
self.sub_if.sw_if_index, gre_sub_if.sw_if_index, is_l2=1)
# Create bi-directional cross-connects between pg0 and pg1
self.vapi.sw_interface_set_l2_bridge(
- self.sub_if.sw_if_index, bd_id=99, enable=1)
+ rx_sw_if_index=self.sub_if.sw_if_index, bd_id=99, enable=1)
self.vapi.sw_interface_set_l2_bridge(
- self.pg1.sw_if_index, bd_id=99, enable=1)
+ rx_sw_if_index=self.pg1.sw_if_index, bd_id=99, enable=1)
# Create incoming packet streams for packet-generator interfaces
pg0_pkts = self.create_stream(
self.bridge(self.pg2.sw_if_index, is_add=0)
self.vapi.sw_interface_set_l2_bridge(
- self.sub_if.sw_if_index, bd_id=99, enable=0)
+ rx_sw_if_index=self.sub_if.sw_if_index, bd_id=99, enable=0)
self.vapi.sw_interface_set_l2_bridge(
- self.pg1.sw_if_index, bd_id=99, enable=0)
+ rx_sw_if_index=self.pg1.sw_if_index, bd_id=99, enable=0)
# Disable SPAN on pg0 (mirrored to pg2)
self.vapi.sw_interface_span_enable_disable(
self.sub_if.sw_if_index, self.pg2.sw_if_index, state=0, is_l2=1)
Code Review / vpp.git / blobdiff