self.assertEqual(rv[0].tag, tag,
"output produced incorrect tag value.")
+ def create_domains(self, ip4_pfx_str, ip6_pfx_str, ip6_src_str):
+ ip4_pfx = ipaddress.ip_network(ip4_pfx_str)
+ ip6_dst = ipaddress.ip_network(ip6_pfx_str)
+ mod = ip4_pfx.num_addresses / 1024
+ indicies = []
+ for i in range(ip4_pfx.num_addresses):
+ rv = self.vapi.map_add_domain(ip6_prefix=ip6_pfx_str,
+ ip4_prefix=str(ip4_pfx[i]) + "/32",
+ ip6_src=ip6_src_str)
+ indicies.append(rv.index)
+ return indicies
+
+ def test_api_map_domains_get(self):
+ # Create a bunch of domains
+ domains = self.create_domains('130.67.0.0/24', '2001::/32',
+ '2001::1/128')
+ self.assertEqual(len(domains), 256)
+
+ d = []
+ cursor = 0
+
+ # Invalid cursor
+ rv, details = self.vapi.map_domains_get(cursor=1234)
+ self.assertEqual(rv.retval, -7)
+
+ # Delete a domain in the middle of walk
+ rv, details = self.vapi.map_domains_get(cursor=0)
+ self.assertEqual(rv.retval, -165)
+ self.vapi.map_del_domain(index=rv.cursor)
+ domains.remove(rv.cursor)
+
+ # Continue at point of deleted cursor
+ rv, details = self.vapi.map_domains_get(cursor=rv.cursor)
+ self.assertEqual(rv.retval, -165)
+
+ d = list(self.vapi.vpp.details_iter(self.vapi.map_domains_get))
+ self.assertEqual(len(d), 255)
+
+ # Clean up
+ for i in domains:
+ self.vapi.map_del_domain(index=i)
+
def test_map_e_udp(self):
""" MAP-E UDP"""
def validate(self, rx, expected):
self.assertEqual(rx, expected.__class__(scapy.compat.raw(expected)))
- def validate_frag(self, p6_frag, p_ip6_expected):
+ def validate_frag6(self, p6_frag, p_ip6_expected):
self.assertFalse(p6_frag.haslayer(IP))
self.assertTrue(p6_frag.haslayer(IPv6))
self.assertTrue(p6_frag.haslayer(IPv6ExtHdrFragment))
self.assertEqual(p6_frag[IPv6].src, p_ip6_expected.src)
self.assertEqual(p6_frag[IPv6].dst, p_ip6_expected.dst)
- def validate_frag_payload_len(self, rx, proto, payload_len_expected):
+ def validate_frag_payload_len6(self, rx, proto, payload_len_expected):
payload_total = 0
for p in rx:
payload_total += p[IPv6].plen
self.assertEqual(payload_total, payload_len_expected)
+ def validate_frag4(self, p4_frag, p_ip4_expected):
+ self.assertFalse(p4_frag.haslayer(IPv6))
+ self.assertTrue(p4_frag.haslayer(IP))
+ self.assertTrue(p4_frag[IP].frag != 0 or p4_frag[IP].flags.MF)
+ self.assertEqual(p4_frag[IP].src, p_ip4_expected.src)
+ self.assertEqual(p4_frag[IP].dst, p_ip4_expected.dst)
+
+ def validate_frag_payload_len4(self, rx, proto, payload_len_expected):
+ payload_total = 0
+ for p in rx:
+ payload_total += len(p[IP].payload)
+
+ # First fragment has proto
+ payload_total -= len(proto())
+
+ self.assertEqual(payload_total, payload_len_expected)
+
def payload(self, len):
return 'x' * len
for p in rx:
self.validate(p[1], icmp4_reply)
- # IPv6 Hop limit
+ # IPv6 Hop limit at BR
+ ip6_hlim_expired = IPv6(hlim=1, src='2001:db8:1ab::c0a8:1:ab',
+ dst='1234:5678:90ab:cdef:ac:1001:200:0')
+ p6 = (p_ether6 / ip6_hlim_expired / payload)
+
+ icmp6_reply = (IPv6(hlim=255, src=self.pg1.local_ip6,
+ dst="2001:db8:1ab::c0a8:1:ab") /
+ ICMPv6TimeExceeded(code=0) /
+ IPv6(src="2001:db8:1ab::c0a8:1:ab",
+ dst='1234:5678:90ab:cdef:ac:1001:200:0',
+ hlim=1) / payload)
+ rx = self.send_and_expect(self.pg1, p6*1, self.pg1)
+ for p in rx:
+ self.validate(p[1], icmp6_reply)
+
+ # IPv6 Hop limit beyond BR
ip6_hlim_expired = IPv6(hlim=0, src='2001:db8:1ab::c0a8:1:ab',
dst='1234:5678:90ab:cdef:ac:1001:200:0')
p6 = (p_ether6 / ip6_hlim_expired / payload)
p_ip6_translated = IPv6(src='1234:5678:90ab:cdef:ac:1001:200:0',
dst='2001:db8:1e0::c0a8:1:e')
for p in rx:
- self.validate_frag(p, p_ip6_translated)
+ self.validate_frag6(p, p_ip6_translated)
- self.validate_frag_payload_len(rx, UDP, payload_len)
+ self.validate_frag_payload_len6(rx, UDP, payload_len)
# UDP packet fragmentation send fragments
+ payload_len = 1453
payload = UDP(sport=40000, dport=4000) / self.payload(payload_len)
p4 = (p_ether / p_ip4 / payload)
frags = fragment_rfc791(p4, fragsize=1000)
rx = self.pg1.get_capture(2)
for p in rx:
- self.validate_frag(p, p_ip6_translated)
+ self.validate_frag6(p, p_ip6_translated)
+
+ self.validate_frag_payload_len6(rx, UDP, payload_len)
+
+ # Send back an fragmented IPv6 UDP packet that will be "untranslated"
+ payload = UDP(sport=4000, dport=40000) / self.payload(payload_len)
+ p_ether6 = Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac)
+ p_ip6 = IPv6(src='2001:db8:1e0::c0a8:1:e',
+ dst='1234:5678:90ab:cdef:ac:1001:200:0')
+ p6 = (p_ether6 / p_ip6 / payload)
+ frags6 = fragment_rfc8200(p6, identification=0xdcba, fragsize=1000)
+
+ p_ip4_translated = IP(src='192.168.0.1', dst=self.pg0.remote_ip4)
+ p4_translated = (p_ip4_translated / payload)
+ p4_translated.id = 0
+ p4_translated.ttl -= 1
+
+ self.pg_enable_capture()
+ self.pg1.add_stream(frags6)
+ self.pg_start()
+ rx = self.pg0.get_capture(2)
+
+ for p in rx:
+ self.validate_frag4(p, p4_translated)
- self.validate_frag_payload_len(rx, UDP, payload_len)
+ self.validate_frag_payload_len4(rx, UDP, payload_len)
# ICMP packet fragmentation
payload = ICMP(id=6529) / self.payload(payload_len)
p_ip6_translated = IPv6(src='1234:5678:90ab:cdef:ac:1001:200:0',
dst='2001:db8:160::c0a8:1:6')
for p in rx:
- self.validate_frag(p, p_ip6_translated)
+ self.validate_frag6(p, p_ip6_translated)
- self.validate_frag_payload_len(rx, ICMPv6EchoRequest, payload_len)
+ self.validate_frag_payload_len6(rx, ICMPv6EchoRequest, payload_len)
# ICMP packet fragmentation send fragments
payload = ICMP(id=6529) / self.payload(payload_len)
rx = self.pg1.get_capture(2)
for p in rx:
- self.validate_frag(p, p_ip6_translated)
+ self.validate_frag6(p, p_ip6_translated)
- self.validate_frag_payload_len(rx, ICMPv6EchoRequest, payload_len)
+ self.validate_frag_payload_len6(rx, ICMPv6EchoRequest, payload_len)
# TCP MSS clamping
self.vapi.map_param_set_tcp(1300)
ip6_nh_address="4001::1",
is_add=0)
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff