Code Review / vpp.git / blobdiff
? search:
summary | shortlog | log | commit | commitdiff | review | tree
raw | inline | side by side
Improve the sample plugin node dispatch function
[vpp.git] / test / test_lb.py
diff --git a/test/test_lb.py b/test/test_lb.py
index e653b60..d2e7185 100644 (file)
--- 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.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
 
 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 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
 
  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]))
 
         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))
 
         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
             try:
                 asid = 0
                 gre = None
-                if gre4:
+                if (encap == 'gre4'):
                     ip = p[IP]
                     asid = int(ip.dst.split(".")[3])
                     self.assertEqual(ip.version, 4)
                     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]
                     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]
                     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.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))
                 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.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:
 
         finally:
             for asid in self.ass:
@@ -176,7 +221,7 @@ class TestLB(VppTestCase):
             self.pg_enable_capture(self.pg_interfaces)
             self.pg_start()
 
             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))
         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.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))
         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.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")
         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")
Vector Packet Processing