diff options
Diffstat (limited to 'test/test_map.py')
-rw-r--r-- | test/test_map.py | 98 |
1 files changed, 91 insertions, 7 deletions
diff --git a/test/test_map.py b/test/test_map.py index e98532e9df7..cd2533373f9 100644 --- a/test/test_map.py +++ b/test/test_map.py @@ -76,11 +76,25 @@ class TestMAP(VppTestCase): # # Add a domain that maps from pg0 to pg1 # - map_dst = '{}/{}'.format(map_br_pfx, map_br_pfx_len) + map_dst = '2001::/64' map_src = '3000::1/128' client_pfx = '192.168.0.0/16' self.vapi.map_add_domain(map_dst, map_src, client_pfx) + # Enable MAP on interface. + self.vapi.map_if_enable_disable(1, self.pg0.sw_if_index, 0) + + # Ensure MAP doesn't steal all packets! + v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / + IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) / + UDP(sport=20000, dport=10000) / + Raw('\xa5' * 100)) + rx = self.send_and_expect(self.pg0, v4*1, self.pg0) + v4_reply = v4[1] + v4_reply.ttl -= 1 + for p in rx: + self.validate(p[1], v4_reply) + # # Fire in a v4 packet that will be encapped to the BR # @@ -91,6 +105,20 @@ class TestMAP(VppTestCase): self.send_and_assert_encapped(v4, "3000::1", "2001::c0a8:0:0") + # Enable MAP on interface. + self.vapi.map_if_enable_disable(1, self.pg1.sw_if_index, 0) + + # Ensure MAP doesn't steal all packets + v6 = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / + IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) / + UDP(sport=20000, dport=10000) / + Raw('\xa5' * 100)) + rx = self.send_and_expect(self.pg1, v6*1, self.pg1) + v6_reply = v6[1] + v6_reply.hlim -= 1 + for p in rx: + self.validate(p[1], v6_reply) + # # Fire in a V6 encapped packet. # expect a decapped packet on the inside ip4 link @@ -168,15 +196,37 @@ class TestMAP(VppTestCase): # # Add a domain that maps from pg0 to pg1 # - self.vapi.map_add_domain('2001:db8::/32', - '1234:5678:90ab:cdef::/64', - '192.168.0.0/24', - 16, 6, 4, 1) + map_dst = '2001:db8::/32' + map_src = '1234:5678:90ab:cdef::/64' + ip4_pfx = '192.168.0.0/24' + + self.vapi.map_add_domain(map_dst, map_src, ip4_pfx, + 16, 6, 4) # Enable MAP-T on interfaces. + self.vapi.map_if_enable_disable(1, self.pg0.sw_if_index, 1) + self.vapi.map_if_enable_disable(1, self.pg1.sw_if_index, 1) - # self.vapi.map_if_enable_disable(1, self.pg0.sw_if_index, 1) - # self.vapi.map_if_enable_disable(1, self.pg1.sw_if_index, 1) + # Ensure MAP doesn't steal all packets! + v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / + IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) / + UDP(sport=20000, dport=10000) / + Raw('\xa5' * 100)) + rx = self.send_and_expect(self.pg0, v4*1, self.pg0) + v4_reply = v4[1] + v4_reply.ttl -= 1 + for p in rx: + self.validate(p[1], v4_reply) + # Ensure MAP doesn't steal all packets + v6 = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / + IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) / + UDP(sport=20000, dport=10000) / + Raw('\xa5' * 100)) + rx = self.send_and_expect(self.pg1, v6*1, self.pg1) + v6_reply = v6[1] + v6_reply.hlim -= 1 + for p in rx: + self.validate(p[1], v6_reply) map_route = VppIpRoute(self, "2001:db8::", @@ -298,6 +348,40 @@ class TestMAP(VppTestCase): # p4_reply.id = 256 # self.validate(reass_pkt, p4_reply) + # TCP MSS clamping + self.vapi.map_param_set_tcp(1300) + + # + # Send a v4 TCP SYN packet that will be translated and MSS clamped + # + p_ether = Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) + p_ip4 = IP(src=self.pg0.remote_ip4, dst='192.168.0.1') + payload = TCP(sport=0xabcd, dport=0xabcd, flags="S", + options=[('MSS', 1460)]) + + p4 = (p_ether / p_ip4 / payload) + p6_translated = (IPv6(src="1234:5678:90ab:cdef:ac:1001:200:0", + dst="2001:db8:1f0::c0a8:1:f") / payload) + p6_translated.hlim -= 1 + p6_translated['TCP'].options = [('MSS', 1300)] + rx = self.send_and_expect(self.pg0, p4*1, self.pg1) + for p in rx: + self.validate(p[1], p6_translated) + + # Send back an IPv6 packet that will be "untranslated" + p_ether6 = Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) + p_ip6 = IPv6(src='2001:db8:1f0::c0a8:1:f', + dst='1234:5678:90ab:cdef:ac:1001:200:0') + p6 = (p_ether6 / p_ip6 / payload) + p4_translated = (IP(src='192.168.0.1', + dst=self.pg0.remote_ip4) / payload) + p4_translated.id = 0 + p4_translated.ttl -= 1 + p4_translated['TCP'].options = [('MSS', 1300)] + rx = self.send_and_expect(self.pg1, p6*1, self.pg0) + for p in rx: + self.validate(p[1], p4_translated) + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) |