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geneve: support geneve interface acting as a bvi

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create geneve tunnel local 10.10.10.10 remote 10.10.10.9 vni 48 decap-next node ethernet-input l3-mode
set interface ip address geneve_tunnel0 11.11.11.12/24

Type: feature
Change-Id: I579ce879553d72a2e8048e33d0c0122674996b81
Signed-off-by: Ole Troan <ot@cisco.com>
This commit is contained in:
Ole Troan
2020-06-17 22:57:13 +02:00
committed by Andrew Yourtchenko
parent 5a849e3b35
commit 7fc88cf3a1
5 changed files with 189 additions and 34 deletions
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73
test/test_geneve.py
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@ -6,8 +6,8 @@ import unittest
from framework import VppTestCase, VppTestRunner
from template_bd import BridgeDomain
from scapy.layers.l2 import Ether
from scapy.layers.inet import IP, UDP
from scapy.layers.l2 import Ether, ARP
from scapy.layers.inet import IP, UDP, ICMP
from scapy.contrib.geneve import GENEVE
import util
@ -234,5 +234,74 @@ class TestGeneve(BridgeDomain, VppTestCase):
self.logger.info(self.vapi.cli("show geneve tunnel"))
class TestGeneveL3(VppTestCase):
""" GENEVE L3 Test Case """
@classmethod
def setUpClass(cls):
super(TestGeneveL3, cls).setUpClass()
try:
cls.create_pg_interfaces(range(2))
cls.interfaces = list(cls.pg_interfaces)
for i in cls.interfaces:
i.admin_up()
i.config_ip4()
i.resolve_arp()
except Exception:
super(TestGeneveL3, cls).tearDownClass()
raise
@classmethod
def tearDownClass(cls):
super(TestGeneveL3, cls).tearDownClass()
def tearDown(self):
super(TestGeneveL3, self).tearDown()
def show_commands_at_teardown(self):
self.logger.info(self.vapi.cli("show geneve tunnel"))
self.logger.info(self.vapi.cli("show ip neighbor"))
def test_l3_packet(self):
vni = 1234
r = self.vapi.add_node_next(node_name="geneve4-input",
next_name="ethernet-input")
r = self.vapi.geneve_add_del_tunnel2(
is_add=1,
local_address=self.pg0.local_ip4,
remote_address=self.pg0.remote_ip4,
vni=vni,
l3_mode=1,
decap_next_index=r.node_index)
self.vapi.sw_interface_add_del_address(
sw_if_index=r.sw_if_index, prefix="10.0.0.1/24")
pkt = (Ether(src=self.pg0.remote_mac, dst="d0:0b:ee:d0:00:00") /
IP(src='10.0.0.2', dst='10.0.0.1') /
ICMP())
encap = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
UDP(sport=6081, dport=6081, chksum=0) /
GENEVE(vni=vni))
arp = (Ether(src=self.pg0.remote_mac, dst="d0:0b:ee:d0:00:00") /
ARP(op="is-at", hwsrc=self.pg0.remote_mac,
hwdst="d0:0b:ee:d0:00:00", psrc="10.0.0.2",
pdst="10.0.0.1"))
rx = self.send_and_expect(self.pg0, encap/pkt*1, self.pg0)
rx = self.send_and_assert_no_replies(self.pg0, encap/arp*1, self.pg0)
rx = self.send_and_expect(self.pg0, encap/pkt*1, self.pg0)
self.assertEqual(rx[0][ICMP].type, 0) # echo reply
r = self.vapi.geneve_add_del_tunnel2(
is_add=0,
local_address=self.pg0.local_ip4,
remote_address=self.pg0.remote_ip4,
vni=vni)
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)