Signed-iff-by: David Gibson <david(a)gibson.dropbear.id.au>
---
test/Makefile | 3 +-
test/tasst/__main__.py | 2 +-
test/tasst/ndp.py | 116 +++++++++++++++++++++++++++++++++++++++++
3 files changed, 119 insertions(+), 2 deletions(-)
create mode 100644 test/tasst/ndp.py
diff --git a/test/Makefile b/test/Makefile
index f3a3cc58..248329e5 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -72,7 +72,8 @@ EXETER_PY = build/build.py
EXETER_JOBS = $(EXETER_SH:%.sh=%.json) $(EXETER_PY:%.py=%.json)
AVOCADO_JOBS = $(EXETER_JOBS) avocado/static_checkers.json
-TASST_SRCS = __init__.py __main__.py address.py nstool.py snh.py transfer.py \
+TASST_SRCS = __init__.py __main__.py address.py ndp.py nstool.py snh.py \
+ transfer.py \
selftest/__init__.py selftest/static_ifup.py selftest/veth.py
EXETER_META = meta/lint.json meta/tasst.json
diff --git a/test/tasst/__main__.py b/test/tasst/__main__.py
index 98a94011..6a95eec1 100644
--- a/test/tasst/__main__.py
+++ b/test/tasst/__main__.py
@@ -13,7 +13,7 @@ library of test helpers for passt & pasta
import exeter
# We import just to get the exeter tests, which flake8 can't see
-from . import nstool, snh, transfer # noqa: F401
+from . import ndp, nstool, snh, transfer # noqa: F401
from .selftest import static_ifup, veth # noqa: F401
diff --git a/test/tasst/ndp.py b/test/tasst/ndp.py
new file mode 100644
index 00000000..1c18385c
--- /dev/null
+++ b/test/tasst/ndp.py
@@ -0,0 +1,116 @@
+#! /usr/bin/env avocado-runner-avocado-classless
+
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright Red Hat
+# Author: David Gibson <david(a)gibson.dropbear.id.au>
+
+"""
+Test A Simple Socket Transport
+
+ndp.py - Helpers for testing NDP
+"""
+
+import contextlib
+import ipaddress
+import os
+import tempfile
+
+import exeter
+
+from . import address, nstool
+
+
+class NdpTestScenario:
+ def __init__(self, *, client, ifname, network, gateway):
+ self.client = client
+ self.ifname = ifname
+ self.network = network
+ self.gateway = gateway
+
+
+def test_ndp_addr(setup):
+ with setup as scn:
+ # Wait for NDP to do its thing
+ (addr,) = scn.client.addr_wait(scn.ifname, family='inet6',
+ scope='global')
+
+ # The SLAAC address is derived from the guest ns MAC, so
+ # probably won't exactly match the host address (we need
+ # DHCPv6 for that). It should be in the right network though.
+ exeter.assert_eq(addr.network, scn.network)
+
+
+def test_ndp_route(setup):
+ with setup as scn:
+ defroutes = scn.client.routes6(dst='default')
+ while not defroutes:
+ defroutes = scn.client.routes6(dst='default')
+
+ exeter.assert_eq(len(defroutes), 1)
+ gw = ipaddress.ip_address(defroutes[0]['gateway'])
+ exeter.assert_eq(gw, scn.gateway)
+
+
+NDP_TESTS = [test_ndp_addr, test_ndp_route]
+
+
+def ndp_tests(setup):
+ for t in NDP_TESTS:
+ testid = f'{setup.__qualname__}|{t.__qualname__}'
+ exeter.register_pipe(testid, setup, t)
+
+
+IFNAME = 'clientif'
+NETWORK = address.TEST_NET6_TASST_A
+ipa = address.IpiAllocator(NETWORK)
+(ROUTER_IP6,) = ipa.next_ipis()
+
+
+(a)contextlib.contextmanager
+def setup_radvd():
+ router_ifname = 'routerif'
+
+ with nstool.unshare_snh('client', '-Un') as client, \
+ nstool.unshare_snh('router', '-n',
+ parent=client, capable=True) as router:
+ with tempfile.TemporaryDirectory() as tmpdir:
+ client.veth(IFNAME, router_ifname, router)
+
+ # Configure the simulated router
+ confpath = os.path.join(tmpdir, 'radvd.conf')
+ pidfile = os.path.join(tmpdir, 'radvd.pid')
+ open(confpath, 'w', encoding='UTF-8').write(
+ f'''
+ interface {router_ifname} {{
+ AdvSendAdvert on;
+ prefix {NETWORK} {{
+ }};
+ }};
+ '''
+ )
+
+ router.ifup('lo')
+ router.ifup('routerif', ROUTER_IP6)
+
+ # Configure the client
+ client.ifup('lo')
+ client.ifup(IFNAME)
+
+ # Get the router's link-local-address
+ (router_ll,) = router.addr_wait(router_ifname,
+ family='inet6',
scope='link')
+
+ # Run radvd
+ router.fg('radvd', '-c', '-C',
f'{confpath}')
+ radvd_cmd = ['radvd', '-C', f'{confpath}',
'-n',
+ '-p', f'{pidfile}', '-d',
'5']
+ with router.bg(*radvd_cmd, capable=True) as radvd:
+ yield NdpTestScenario(client=client,
+ ifname=IFNAME,
+ network=NETWORK,
+ gateway=router_ll.ip)
+ radvd.terminate()
+
+
+ndp_tests(setup_radvd)
--
2.45.2