X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_lb.py;h=d2e7185cf3f91a90d2d40eeb06de8e5fedfb57f7;hb=f91080c01104a5999fe6c08e699b3426fea62dad;hp=e653b60b0ab62c4cb0e578f68c53499143e359b7;hpb=8e66b9bf4ba90279631e6a0e8ccc2eab5f9156c2;p=vpp.git diff --git a/test/test_lb.py b/test/test_lb.py index e653b60b0ab..d2e7185cf3f 100644 --- a/test/test_lb.py +++ b/test/test_lb.py @@ -4,6 +4,7 @@ from scapy.layers.inet import IP, UDP from scapy.layers.inet6 import IPv6 from scapy.layers.l2 import Ether, GRE from scapy.packet import Raw +from scapy.data import IP_PROTOS from framework import VppTestCase from util import ppp @@ -15,6 +16,9 @@ from util import ppp - IP4 to GRE6 encap - IP6 to GRE4 encap - IP6 to GRE6 encap + - IP4 to L3DSR encap + - IP4 to NAT4 encap + - IP6 to NAT6 encap As stated in comments below, GRE has issues with IPv6. All test cases involving IPv6 are executed, but @@ -94,7 +98,7 @@ class TestLB(VppTestCase): self.assertEqual(payload_info.src, self.pg0.sw_if_index) self.assertEqual(str(inner), str(self.info.data[IPver])) - def checkCapture(self, gre4, isv4): + def checkCapture(self, encap, isv4): self.pg0.assert_nothing_captured() out = self.pg1.get_capture(len(self.packets)) @@ -104,7 +108,7 @@ class TestLB(VppTestCase): try: asid = 0 gre = None - if gre4: + if (encap == 'gre4'): ip = p[IP] asid = int(ip.dst.split(".")[3]) self.assertEqual(ip.version, 4) @@ -115,7 +119,8 @@ class TestLB(VppTestCase): self.assertEqual(len(ip.options), 0) self.assertGreaterEqual(ip.ttl, 64) gre = p[GRE] - else: + self.checkInner(gre, isv4) + elif (encap == 'gre6'): ip = p[IPv6] asid = ip.dst.split(":") asid = asid[len(asid) - 1] @@ -132,7 +137,47 @@ class TestLB(VppTestCase): self.assertGreaterEqual(ip.hlim, 64) # self.assertEqual(len(ip.options), 0) gre = GRE(str(p[IPv6].payload)) - self.checkInner(gre, isv4) + self.checkInner(gre, isv4) + elif (encap == 'l3dsr'): + ip = p[IP] + asid = int(ip.dst.split(".")[3]) + self.assertEqual(ip.version, 4) + self.assertEqual(ip.flags, 0) + self.assertEqual(ip.dst, "10.0.0.%u" % asid) + self.assertEqual(ip.tos, 0x1c) + self.assertEqual(len(ip.options), 0) + self.assert_ip_checksum_valid(p) + if ip.proto == IP_PROTOS.tcp: + self.assert_tcp_checksum_valid(p) + elif ip.proto == IP_PROTOS.udp: + self.assert_udp_checksum_valid(p) + elif (encap == 'nat4'): + ip = p[IP] + asid = int(ip.dst.split(".")[3]) + self.assertEqual(ip.version, 4) + self.assertEqual(ip.flags, 0) + self.assertEqual(ip.dst, "10.0.0.%u" % asid) + self.assertEqual(ip.proto, 17) + self.assertEqual(len(ip.options), 0) + self.assertGreaterEqual(ip.ttl, 63) + udp = p[UDP] + self.assertEqual(udp.dport, 3307) + elif (encap == 'nat6'): + ip = p[IPv6] + asid = ip.dst.split(":") + asid = asid[len(asid) - 1] + asid = 0 if asid == "" else int(asid) + self.assertEqual(ip.version, 6) + self.assertEqual(ip.tc, 0) + self.assertEqual(ip.fl, 0) + self.assertEqual( + socket.inet_pton(socket.AF_INET6, ip.dst), + socket.inet_pton(socket.AF_INET6, "2002::%u" % asid) + ) + self.assertEqual(ip.nh, 17) + self.assertGreaterEqual(ip.hlim, 63) + udp = UDP(str(p[IPv6].payload)) + self.assertEqual(udp.dport, 3307) load[asid] += 1 except: self.logger.error(ppp("Unexpected or invalid packet:", p)) @@ -156,7 +201,7 @@ class TestLB(VppTestCase): self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(gre4=True, isv4=True) + self.checkCapture(encap='gre4', isv4=True) finally: for asid in self.ass: @@ -176,7 +221,7 @@ class TestLB(VppTestCase): self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(gre4=True, isv4=False) + self.checkCapture(encap='gre4', isv4=False) finally: for asid in self.ass: self.vapi.cli("lb as 2001::/16 10.0.0.%u del" % (asid)) @@ -194,7 +239,7 @@ class TestLB(VppTestCase): self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(gre4=False, isv4=True) + self.checkCapture(encap='gre6', isv4=True) finally: for asid in self.ass: self.vapi.cli("lb as 90.0.0.0/8 2002::%u del" % (asid)) @@ -212,9 +257,67 @@ class TestLB(VppTestCase): self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(gre4=False, isv4=False) + self.checkCapture(encap='gre6', isv4=False) finally: for asid in self.ass: self.vapi.cli("lb as 2001::/16 2002::%u del" % (asid)) self.vapi.cli("lb vip 2001::/16 encap gre6 del") self.vapi.cli("test lb flowtable flush") + + def test_lb_ip4_l3dsr(self): + """ Load Balancer IP4 L3DSR """ + try: + self.vapi.cli("lb vip 90.0.0.0/8 encap l3dsr dscp 7") + for asid in self.ass: + self.vapi.cli("lb as 90.0.0.0/8 10.0.0.%u" % (asid)) + + self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + self.checkCapture(encap='l3dsr', isv4=True) + + finally: + for asid in self.ass: + self.vapi.cli("lb as 90.0.0.0/8 10.0.0.%u del" % (asid)) + self.vapi.cli("lb vip 90.0.0.0/8 encap l3dsr dscp 7 del") + self.vapi.cli("test lb flowtable flush") + + def test_lb_ip4_nat4(self): + """ Load Balancer IP4 NAT4 """ + try: + self.vapi.cli("lb vip 90.0.0.0/8 encap nat4" + " type clusterip port 3306 target_port 3307") + for asid in self.ass: + self.vapi.cli("lb as 90.0.0.0/8 10.0.0.%u" % (asid)) + + self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + self.checkCapture(encap='nat4', isv4=True) + + finally: + for asid in self.ass: + self.vapi.cli("lb as 90.0.0.0/8 10.0.0.%u del" % (asid)) + self.vapi.cli("lb vip 90.0.0.0/8 encap nat4" + " type clusterip port 3306 target_port 3307 del") + self.vapi.cli("test lb flowtable flush") + + def test_lb_ip6_nat6(self): + """ Load Balancer IP6 NAT6 """ + try: + self.vapi.cli("lb vip 2001::/16 encap nat6" + " type clusterip port 3306 target_port 3307") + for asid in self.ass: + self.vapi.cli("lb as 2001::/16 2002::%u" % (asid)) + + self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False)) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + self.checkCapture(encap='nat6', isv4=False) + + finally: + for asid in self.ass: + self.vapi.cli("lb as 2001::/16 2002::%u del" % (asid)) + self.vapi.cli("lb vip 2001::/16 encap nat6" + " type clusterip port 3306 target_port 3307 del") + self.vapi.cli("test lb flowtable flush")