diff options
Diffstat (limited to 'test/test_srv6_mobile.py')
-rw-r--r-- | test/test_srv6_mobile.py | 141 |
1 files changed, 76 insertions, 65 deletions
diff --git a/test/test_srv6_mobile.py b/test/test_srv6_mobile.py index e617acef9ab..33190b84ba0 100644 --- a/test/test_srv6_mobile.py +++ b/test/test_srv6_mobile.py @@ -8,7 +8,7 @@ from scapy.all import * class TestSRv6EndMGTP4E(VppTestCase): - """ SRv6 End.M.GTP4.E (SRv6 -> GTP-U) """ + """SRv6 End.M.GTP4.E (SRv6 -> GTP-U)""" @classmethod def setUpClass(cls): @@ -37,14 +37,12 @@ class TestSRv6EndMGTP4E(VppTestCase): ip4_dst = IPv4Address(str(self.ip4_dst)) # 32bit prefix + 32bit IPv4 DA + 8bit + 32bit TEID + 24bit - dst = b'\xaa' * 4 + ip4_dst.packed + \ - b'\x11' + b'\xbb' * 4 + b'\x11' * 3 + dst = b"\xaa" * 4 + ip4_dst.packed + b"\x11" + b"\xbb" * 4 + b"\x11" * 3 ip6_dst = IPv6Address(dst) ip4_src = IPv4Address(str(self.ip4_src)) # 64bit prefix + 32bit IPv4 SA + 16 bit port + 16bit - src = b'\xcc' * 8 + ip4_src.packed + \ - b'\xdd' * 2 + b'\x11' * 2 + src = b"\xcc" * 8 + ip4_src.packed + b"\xdd" * 2 + b"\x11" * 2 ip6_src = IPv6Address(src) self.logger.info("ip4 dst: {}".format(ip4_dst)) @@ -54,24 +52,26 @@ class TestSRv6EndMGTP4E(VppTestCase): pkts = list() for d, s in inner: - pkt = (Ether() / - IPv6(dst=str(ip6_dst), src=str(ip6_src)) / - IPv6ExtHdrSegmentRouting() / - IPv6(dst=d, src=s) / - UDP(sport=1000, dport=23)) + pkt = ( + Ether() + / IPv6(dst=str(ip6_dst), src=str(ip6_src)) + / IPv6ExtHdrSegmentRouting() + / IPv6(dst=d, src=s) + / UDP(sport=1000, dport=23) + ) self.logger.info(pkt.show2(dump=True)) pkts.append(pkt) return pkts def test_srv6_mobile(self): - """ test_srv6_mobile """ + """test_srv6_mobile""" pkts = self.create_packets([("A::1", "B::1"), ("C::1", "D::1")]) self.vapi.cli( - "sr localsid address {} behavior end.m.gtp4.e " - .format(pkts[0]['IPv6'].dst) + - "v4src_position 64 fib-table 0") + "sr localsid address {} behavior end.m.gtp4.e ".format(pkts[0]["IPv6"].dst) + + "v4src_position 64 fib-table 0" + ) self.logger.info(self.vapi.cli("show sr localsid")) self.vapi.cli("clear errors") @@ -89,11 +89,11 @@ class TestSRv6EndMGTP4E(VppTestCase): self.logger.info(pkt.show2(dump=True)) self.assertEqual(pkt[IP].dst, self.ip4_dst) self.assertEqual(pkt[IP].src, self.ip4_src) - self.assertEqual(pkt[GTP_U_Header].teid, 0xbbbbbbbb) + self.assertEqual(pkt[GTP_U_Header].teid, 0xBBBBBBBB) class TestSRv6TMGTP4D(VppTestCase): - """ SRv6 T.M.GTP4.D (GTP-U -> SRv6) """ + """SRv6 T.M.GTP4.D (GTP-U -> SRv6)""" @classmethod def setUpClass(cls): @@ -133,26 +133,29 @@ class TestSRv6TMGTP4D(VppTestCase): pkts = list() for d, s in inner: - pkt = (Ether() / - IP(dst=str(ip4_dst), src=str(ip4_src)) / - UDP(sport=2152, dport=2152) / - GTP_U_Header(gtp_type="g_pdu", teid=200) / - IPv6(dst=d, src=s) / - UDP(sport=1000, dport=23)) + pkt = ( + Ether() + / IP(dst=str(ip4_dst), src=str(ip4_src)) + / UDP(sport=2152, dport=2152) + / GTP_U_Header(gtp_type="g_pdu", teid=200) + / IPv6(dst=d, src=s) + / UDP(sport=1000, dport=23) + ) self.logger.info(pkt.show2(dump=True)) pkts.append(pkt) return pkts def test_srv6_mobile(self): - """ test_srv6_mobile """ + """test_srv6_mobile""" pkts = self.create_packets([("A::1", "B::1"), ("C::1", "D::1")]) self.vapi.cli("set sr encaps source addr A1::1") self.vapi.cli("sr policy add bsid D4:: next D2:: next D3::") self.vapi.cli( - "sr policy add bsid D5:: behavior t.m.gtp4.d D4::/32 " + - "v6src_prefix C1::/64 nhtype ipv6 fib-table 0 drop-in") + "sr policy add bsid D5:: behavior t.m.gtp4.d D4::/32 " + + "v6src_prefix C1::/64 nhtype ipv6 fib-table 0 drop-in" + ) self.vapi.cli("sr steer l3 {}/32 via bsid D5::".format(self.ip4_dst)) self.vapi.cli("ip route add D2::/32 via {}".format(self.ip6_dst)) @@ -172,15 +175,18 @@ class TestSRv6TMGTP4D(VppTestCase): for pkt in capture: self.logger.info(pkt.show2(dump=True)) - self.logger.info("GTP4.D Address={}".format( - str(pkt[IPv6ExtHdrSegmentRouting].addresses[0]))) + self.logger.info( + "GTP4.D Address={}".format( + str(pkt[IPv6ExtHdrSegmentRouting].addresses[0]) + ) + ) self.assertEqual( - str(pkt[IPv6ExtHdrSegmentRouting].addresses[0]), - "d4:0:101:101::c800:0") + str(pkt[IPv6ExtHdrSegmentRouting].addresses[0]), "d4:0:101:101::c800:0" + ) class TestSRv6EndMGTP6E(VppTestCase): - """ SRv6 End.M.GTP6.E """ + """SRv6 End.M.GTP6.E""" @classmethod def setUpClass(cls): @@ -205,42 +211,42 @@ class TestSRv6EndMGTP6E(VppTestCase): def create_packets(self, inner): # 64bit prefix + 8bit QFI + 32bit TEID + 24bit - dst = b'\xaa' * 8 + b'\x00' + \ - b'\xbb' * 4 + b'\x00' * 3 + dst = b"\xaa" * 8 + b"\x00" + b"\xbb" * 4 + b"\x00" * 3 ip6_dst = IPv6Address(dst) self.ip6_dst = ip6_dst - src = b'\xcc' * 8 + \ - b'\xdd' * 4 + b'\x11' * 4 + src = b"\xcc" * 8 + b"\xdd" * 4 + b"\x11" * 4 ip6_src = IPv6Address(src) self.ip6_src = ip6_src pkts = list() for d, s in inner: - pkt = (Ether() / - IPv6(dst=str(ip6_dst), - src=str(ip6_src)) / - IPv6ExtHdrSegmentRouting(segleft=1, - lastentry=0, - tag=0, - addresses=["a1::1"]) / - IPv6(dst=d, src=s) / UDP(sport=1000, dport=23)) + pkt = ( + Ether() + / IPv6(dst=str(ip6_dst), src=str(ip6_src)) + / IPv6ExtHdrSegmentRouting( + segleft=1, lastentry=0, tag=0, addresses=["a1::1"] + ) + / IPv6(dst=d, src=s) + / UDP(sport=1000, dport=23) + ) self.logger.info(pkt.show2(dump=True)) pkts.append(pkt) return pkts def test_srv6_mobile(self): - """ test_srv6_mobile """ + """test_srv6_mobile""" pkts = self.create_packets([("A::1", "B::1"), ("C::1", "D::1")]) self.vapi.cli( - "sr localsid prefix {}/64 behavior end.m.gtp6.e fib-table 0" - .format(pkts[0]['IPv6'].dst)) - self.vapi.cli( - "ip route add a1::/64 via {}".format(self.ip6_nhop)) + "sr localsid prefix {}/64 behavior end.m.gtp6.e fib-table 0".format( + pkts[0]["IPv6"].dst + ) + ) + self.vapi.cli("ip route add a1::/64 via {}".format(self.ip6_nhop)) self.logger.info(self.vapi.cli("show sr localsid")) self.vapi.cli("clear errors") @@ -258,11 +264,11 @@ class TestSRv6EndMGTP6E(VppTestCase): self.logger.info(pkt.show2(dump=True)) self.assertEqual(pkt[IPv6].dst, "a1::1") self.assertEqual(pkt[IPv6].src, str(self.ip6_src)) - self.assertEqual(pkt[GTP_U_Header].teid, 0xbbbbbbbb) + self.assertEqual(pkt[GTP_U_Header].teid, 0xBBBBBBBB) class TestSRv6EndMGTP6D(VppTestCase): - """ SRv6 End.M.GTP6.D """ + """SRv6 End.M.GTP6.D""" @classmethod def setUpClass(cls): @@ -299,26 +305,29 @@ class TestSRv6EndMGTP6D(VppTestCase): pkts = list() for d, s in inner: - pkt = (Ether() / - IPv6(dst=str(ip6_dst), src=str(ip6_src)) / - UDP(sport=2152, dport=2152) / - GTP_U_Header(gtp_type="g_pdu", teid=200) / - IPv6(dst=d, src=s) / - UDP(sport=1000, dport=23)) + pkt = ( + Ether() + / IPv6(dst=str(ip6_dst), src=str(ip6_src)) + / UDP(sport=2152, dport=2152) + / GTP_U_Header(gtp_type="g_pdu", teid=200) + / IPv6(dst=d, src=s) + / UDP(sport=1000, dport=23) + ) self.logger.info(pkt.show2(dump=True)) pkts.append(pkt) return pkts def test_srv6_mobile(self): - """ test_srv6_mobile """ + """test_srv6_mobile""" pkts = self.create_packets([("A::1", "B::1"), ("C::1", "D::1")]) self.vapi.cli("set sr encaps source addr A1::1") self.vapi.cli("sr policy add bsid D4:: next D2:: next D3::") self.vapi.cli( - "sr localsid prefix 2001::/64 behavior end.m.gtp6.d " + - "D4::/64 fib-table 0 drop-in") + "sr localsid prefix 2001::/64 behavior end.m.gtp6.d " + + "D4::/64 fib-table 0 drop-in" + ) self.vapi.cli("ip route add D2::/64 via {}".format(self.ip6_nhop)) self.logger.info(self.vapi.cli("show sr policies")) @@ -337,11 +346,13 @@ class TestSRv6EndMGTP6D(VppTestCase): for pkt in capture: self.logger.info(pkt.show2(dump=True)) - self.logger.info("GTP6.D SID0={}".format( - str(pkt[IPv6ExtHdrSegmentRouting].addresses[0]))) - self.logger.info("GTP6.D SID1={}".format( - str(pkt[IPv6ExtHdrSegmentRouting].addresses[1]))) - self.assertEqual( - str(pkt[IPv6ExtHdrSegmentRouting].addresses[0]), "2001::1") + self.logger.info( + "GTP6.D SID0={}".format(str(pkt[IPv6ExtHdrSegmentRouting].addresses[0])) + ) + self.logger.info( + "GTP6.D SID1={}".format(str(pkt[IPv6ExtHdrSegmentRouting].addresses[1])) + ) + self.assertEqual(str(pkt[IPv6ExtHdrSegmentRouting].addresses[0]), "2001::1") self.assertEqual( - str(pkt[IPv6ExtHdrSegmentRouting].addresses[1]), "d4::c800:0") + str(pkt[IPv6ExtHdrSegmentRouting].addresses[1]), "d4::c800:0" + ) |