CSIT-392: ip4-lispgpe-ip4

- ip4-lispgpe-ip4 - main fib, vrf, virt2lisp

Change-Id: I28c81e91689021693ce76352878fa21e953a4ef6
Signed-off-by: Tibor Frank <tifrank@cisco.com>

3 files changed, 208 insertions, 38 deletions

diff --git a/resources/libraries/python/IPUtil.py b/resources/libraries/python/IPUtil.py
index ed38272645..f3c037fdf0 100644
--- a/resources/libraries/python/IPUtil.py
+++ b/resources/libraries/python/IPUtil.py
@@ -139,6 +139,26 @@ class IPUtil(object):
             raise RuntimeError(
                 'Could not set IP for interface, reason:{}'.format(stderr))
 
+    @staticmethod
+    def set_linux_interface_route(node, interface, route, namespace=None):
+        """Set route via interface in linux.
+
+        :param node: Node where to execute command.
+        :param interface: Interface in namespace.
+        :param route: Route to be added via interface.
+        :param namespace: Execute command in namespace. Optional parameter.
+        :type node: dict
+        :type interface: str
+        :type route: str
+        :type namespace: str
+        """
+        if namespace is not None:
+            cmd = 'ip netns exec {} ip route add {} dev {}'.format(
+                namespace, route, interface)
+        else:
+            cmd = 'ip route add {} dev {}'.format(route, interface)
+        exec_cmd_no_error(node, cmd, sudo=True)
+
 
 def convert_ipv4_netmask_prefix(network):
     """Convert network mask to equivalent network prefix length or vice versa.
diff --git a/resources/test_data/lisp/ipv4_lispgpe_ipv4/ipv4_lispgpe_ipv4.py b/resources/test_data/lisp/ipv4_lispgpe_ipv4/ipv4_lispgpe_ipv4.py
index cd1b6383e6..f3754e228b 100644
--- a/resources/test_data/lisp/ipv4_lispgpe_ipv4/ipv4_lispgpe_ipv4.py
+++ b/resources/test_data/lisp/ipv4_lispgpe_ipv4/ipv4_lispgpe_ipv4.py
@@ -22,33 +22,52 @@ duts_locator_set = {'locator_name': locator_name,
                     'weight': 1}
 
 # IPv4 Lisp static mapping configuration
-dut1_to_dut2_ip4 = '6.0.3.1'
-dut2_to_dut1_ip4 = '6.0.3.2'
-dut1_to_tg_ip4 = '6.0.1.1'
-dut2_to_tg_ip4 = '6.0.2.1'
-tg1_ip4 = '6.0.1.2'
-tg2_ip4 = '6.0.2.2'
+tg1_ip4 = '6.0.1.1'
+dut1_to_tg_ip4 = '6.0.1.2'
+
+dut1_vif1_ip4 = '6.0.2.1'
+vm1_vif1_ip4 = '6.0.2.2'
+
+vm1_vif2_ip4 = '6.0.3.1'
+dut1_vif2_ip4 = '6.0.3.2'
+
+dut1_to_dut2_ip4 = '6.0.4.1'
+dut2_to_dut1_ip4 = '6.0.4.2'
+
+dut2_to_tg_ip4 = '6.0.5.1'
+tg2_ip4 = '6.0.5.2'
+
+src_ip_range = '6.0.1.0'
+dst_ip_range = '6.0.5.0'
+
+vm1_vif1_mac = '52:54:00:00:04:01'
+vm1_vif2_mac = '52:54:00:00:04:02'
 prefix4 = 24
 
 dut1_to_dut2_ip4_static_adjacency = {'vni': 0,
-                                     'deid': '6.0.2.0',
-                                     'seid': '6.0.1.0',
-                                     'rloc': '6.0.3.2',
-                                     'prefix': 24}
+                                     'deid': dst_ip_range,
+                                     'seid': src_ip_range,
+                                     'rloc': dut2_to_dut1_ip4,
+                                     'prefix': prefix4}
 dut2_to_dut1_ip4_static_adjacency = {'vni': 0,
-                                     'deid': '6.0.1.0',
-                                     'seid': '6.0.2.0',
-                                     'rloc': '6.0.3.1',
-                                     'prefix': 24}
+                                     'deid': src_ip_range,
+                                     'seid': dst_ip_range,
+                                     'rloc': dut1_to_dut2_ip4,
+                                     'prefix': prefix4}
 
 dut1_ip4_eid = {'locator_name': locator_name,
                 'vni': 0,
-                'eid': '6.0.1.0',
-                'prefix': 24}
+                'eid': src_ip_range,
+                'prefix': prefix4}
 dut2_ip4_eid = {'locator_name': locator_name,
                 'vni': 0,
-                'eid': '6.0.2.0',
-                'prefix': 24}
+                'eid': dst_ip_range,
+                'prefix': prefix4}
+
+dut1_fib_table = 1
+dut2_fib_table = 2
+
+sock1 = "/tmp/sock1"
+sock2 = "/tmp/sock2"
 
-dut1_fib_table = '1'
-dut2_fib_table = '2'
+bid = 10
diff --git a/tests/func/lisp/lisp_ipv4_lispgpe_ipv4.robot b/tests/func/lisp/lisp_ipv4_lispgpe_ipv4.robot
index c793b0e7ba..13af66f862 100644
--- a/tests/func/lisp/lisp_ipv4_lispgpe_ipv4.robot
+++ b/tests/func/lisp/lisp_ipv4_lispgpe_ipv4.robot
@@ -16,12 +16,16 @@
 | Library | resources.libraries.python.NodePath
 | Library | resources.libraries.python.Trace
 | Library | resources.libraries.python.IPUtil
+| Library | resources.libraries.python.InterfaceUtil
+| Library | resources.libraries.python.VhostUser
 | Resource | resources/libraries/robot/traffic.robot
 | Resource | resources/libraries/robot/default.robot
 | Resource | resources/libraries/robot/interfaces.robot
 | Resource | resources/libraries/robot/testing_path.robot
 | Resource | resources/libraries/robot/ipv4.robot
 | Resource | resources/libraries/robot/vrf.robot
+| Resource | resources/libraries/robot/qemu.robot
+| Resource | resources/libraries/robot/bridge_domain.robot
 | Resource | resources/libraries/robot/lisp/lispgpe.robot
 # Import configuration and test data:
 | Variables | resources/test_data/lisp/ipv4_lispgpe_ipv4/ipv4_lispgpe_ipv4.py
@@ -38,30 +42,30 @@
 | ...
 | Documentation | *ip4-lispgpe-ip4 encapsulation test cases*
 | ...
-| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology
+| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology\
 | ... | with single links between nodes.
-| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-LISP-IPv4-ICMPv4 on DUT1-DUT2,
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-LISP-IPv4-ICMPv4 on DUT1-DUT2,\
 | ... | Eth-IPv4-ICMPv4 on TG-DUTn for IPv4 routing over LISPoIPv4 tunnel.
-| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with IPv4
-| ... | routing and static routes. LISPoIPv4 tunnel is configured between
+| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with IPv4\
+| ... | routing and static routes. LISPoIPv4 tunnel is configured between\
 | ... | DUT1 and DUT2.
-| ... | *[Ver] TG verification:* Test ICMPv4 Echo Request packets are sent in
-| ... | both directions by TG on links to DUT1 and DUT2; on receive
-| ... | TG verifies packets for correctness and their IPv4 src-addr, dst-addr
+| ... | *[Ver] TG verification:* Test ICMPv4 Echo Request packets are sent in\
+| ... | both directions by TG on links to DUT1 and DUT2; on receive\
+| ... | TG verifies packets for correctness and their IPv4 src-addr, dst-addr\
 | ... | and MAC addresses.
 | ... | *[Ref] Applicable standard specifications:* RFC6830.
 
 *** Test Cases ***
 | TC01: DUT1 and DUT2 route IPv4 bidirectionally over LISP GPE tunnel using physical interfaces
 | | [Documentation]
-| | ... | Case: ip4-lispgpe-ip4 - phy2lisp \
 | | ... | [Top] TG-DUT1-DUT2-TG.
-| | ... | [Enc] Eth-IPv4-LISPGPE-IPv4-ICMPv4 on DUT1-DUT2, Eth-IPv4-ICMPv4 on
+| | ... | [Enc] Eth-IPv4-LISPGPE-IPv4-ICMPv4 on DUT1-DUT2, Eth-IPv4-ICMPv4 on\
 | | ... | TG-DUTn.
 | | ... | [Cfg] Configure IPv4 LISP static adjacencies on DUT1 and DUT2.
-| | ... | [Ver] Make TG send ICMPv4 Echo Req between its interfaces across both
-| | ... | DUTs and LISP GPE tunnel between them; verify IPv4 headers on received
-| | ... | packets are correct.
+| | ... | [Ver] Case: ip4-lispgpe-ip4 - phy2lisp
+| | ... | Make TG send ICMPv4 Echo Req between its interfaces across both\
+| | ... | DUTs and LISP GPE tunnel between them; verify IPv4 headers on\
+| | ... | received packets are correct.
 | | ... | [Ref] RFC6830.
 | | ...
 | | Given Path for 3-node testing is set
@@ -95,16 +99,124 @@
 
 | TC02: DUT1 and DUT2 route IPv4 bidirectionally over LISP GPE tunnel using physical interfaces and VRF is enabled
 | | [Documentation]
-| | ... | Case: ip4-lispgpe-ip4 - vrf, phy2lisp \
 | | ... | [Top] TG-DUT1-DUT2-TG.
-| | ... | [Enc] Eth-IPv4-LISPGPE-IPv4-ICMPv4 on DUT1-DUT2, Eth-IPv4-ICMPv4 on
+| | ... | [Enc] Eth-IPv4-LISPGPE-IPv4-ICMPv4 on DUT1-DUT2, Eth-IPv4-ICMPv4 on\
 | | ... | TG-DUTn.
 | | ... | [Cfg] Configure IPv4 LISP static adjacencies on DUT1 and DUT2.
-| | ... | [Ver] Make TG send ICMPv4 Echo Req between its interfaces across both
-| | ... | DUTs and LISP GPE tunnel between them; verify IPv4 headers on received
-| | ... | packets are correct.
+| | ... | [Ver] Case: ip4-lispgpe-ip4 - vrf, phy2lisp
+| | ... | Make TG send ICMPv4 Echo Req between its interfaces across both\
+| | ... | DUTs and LISP GPE tunnel between them; verify IPv4 headers on\
+| | ... | received packets are correct.
 | | ... | [Ref] RFC6830.
 | | ...
+| | [Teardown] | Run Keywords | Show Packet Trace on All DUTs | ${nodes}
+| | ... | AND | Show vpp trace dump on all DUTs
+| | ... | AND | VPP Show Errors | ${nodes['DUT1']}
+| | ... | AND | VPP Show Errors | ${nodes['DUT2']}
+| | ... | AND | Run keyword if test passed | Fail
+| | ...
+| | [Tags] | EXPECTED_FAILING
+| | ...
+| | Given Path for 3-node testing is set
+| | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['DUT2']} | ${nodes['TG']}
+| | And Interfaces in 3-node path are up
+| | And Set up LISP GPE topology
+| | ... | ${dut1_node} | ${dut1_to_dut2} | ${NONE}
+| | ... | ${dut2_node} | ${dut2_to_dut1} | ${NONE}
+| | ... | ${duts_locator_set} | ${dut1_ip4_eid} | ${dut2_ip4_eid}
+| | ... | ${dut1_to_dut2_ip4_static_adjacency}
+| | ... | ${dut2_to_dut1_ip4_static_adjacency}
+| | And IP addresses are set on interfaces
+| | ... | ${dut1_node} | ${dut1_to_dut2} | ${dut1_to_dut2_ip4} | ${prefix4}
+| | ... | ${dut1_node} | ${dut1_to_tg} | ${dut1_to_tg_ip4} | ${prefix4}
+| | ... | ${dut2_node} | ${dut2_to_dut1} | ${dut2_to_dut1_ip4} | ${prefix4}
+| | ... | ${dut2_node} | ${dut2_to_tg} | ${dut2_to_tg_ip4} | ${prefix4}
+| | When Setup VRF on DUT | ${dut1_node} | ${dut1_fib_table} | ${dut1_to_dut2}
+| | ... | ${dut2_to_dut1_ip4} | ${dut2_to_dut1_mac} | ${tg2_ip4} | ${dut1_to_tg}
+| | ... | ${tg1_ip4} | ${tg_to_dut1_mac} | ${prefix4}
+| | And Setup VRF on DUT | ${dut2_node} | ${dut2_fib_table} | ${dut2_to_dut1}
+| | ... | ${dut1_to_dut2_ip4} | ${dut1_to_dut2_mac} | ${tg1_ip4} | ${dut2_to_tg}
+| | ... | ${tg2_ip4} | ${tg_to_dut2_mac} | ${prefix4}
+| | Then Send Packet And Check Headers
+| | ... | ${tg_node} | ${tg1_ip4} | ${tg2_ip4}
+| | ... | ${tg_to_dut1} | ${tg_to_dut1_mac} | ${dut1_to_tg_mac}
+| | ... | ${tg_to_dut2} | ${dut2_to_tg_mac} | ${tg_to_dut2_mac}
+| | And Send Packet And Check Headers
+| | ... | ${tg_node} | ${tg2_ip4} | ${tg1_ip4}
+| | ... | ${tg_to_dut2} | ${tg_to_dut2_mac} | ${dut2_to_tg_mac}
+| | ... | ${tg_to_dut1} | ${dut1_to_tg_mac} | ${tg_to_dut1_mac}
+
+| TC03: DUT1 and DUT2 route IPv4 bidirectionally over LISP GPE tunnel using vhost interfaces
+| | [Documentation]
+| | ... | [Top] TG-DUT1-DUT2-TG.
+| | ... | [Enc] Eth-IPv4-LISPGPE-IPv4-ICMPv4 on DUT1-DUT2, Eth-IPv4-ICMPv4 on\
+| | ... | TG-DUTn.
+| | ... | [Cfg] Configure IPv4 LISP static adjacencies on DUT1 and DUT2.
+| | ... | [Ver] Case: ip4-lispgpe-ip4 - main fib, virt2lisp
+| | ... | Make TG send ICMPv4 Echo Req between its interfaces across both\
+| | ... | DUTs and LISP GPE tunnel between them; verify IPv4 headers on\
+| | ... | received packets are correct.
+| | ...
+| | [Teardown] | Run Keywords | Show Packet Trace on All DUTs | ${nodes}
+| | ... | AND | Show vpp trace dump on all DUTs
+| | ... | AND | VPP Show Errors | ${nodes['DUT1']}
+| | ... | AND | VPP Show Errors | ${nodes['DUT2']}
+| | ... | AND | Stop and Clear QEMU | ${dut1_node} | ${vm_node}
+| | ...
+| | [Tags] | EXPECTED_FAILING
+| | ...
+| | Given Path for 3-node testing is set
+| | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['DUT2']} | ${nodes['TG']}
+| | And Interfaces in 3-node path are up
+| | And IP addresses are set on interfaces
+| | ... | ${dut1_node} | ${dut1_to_dut2} | ${dut1_to_dut2_ip4} | ${prefix4}
+| | ... | ${dut1_node} | ${dut1_to_tg} | ${dut1_to_tg_ip4} | ${prefix4}
+| | ... | ${dut2_node} | ${dut2_to_dut1} | ${dut2_to_dut1_ip4} | ${prefix4}
+| | ... | ${dut2_node} | ${dut2_to_tg} | ${dut2_to_tg_ip4} | ${prefix4}
+| | And Add Arp On Dut | ${dut1_node} | ${dut1_to_tg} | ${tg1_ip4}
+| | ... | ${tg_to_dut1_mac}
+| | And Add Arp On Dut | ${dut2_node} | ${dut2_to_tg} | ${tg2_ip4}
+| | ... | ${tg_to_dut2_mac}
+| | And Add Arp On Dut | ${dut1_node} | ${dut1_to_dut2} | ${dut2_to_dut1_ip4}
+| | ... | ${dut2_to_dut1_mac}
+| | And Add Arp On Dut | ${dut2_node} | ${dut2_to_dut1} | ${dut1_to_dut2_ip4}
+| | ... | ${dut1_to_dut2_mac}
+| | When Set up LISP GPE topology
+| | ... | ${dut1_node} | ${dut1_to_dut2} | ${NONE}
+| | ... | ${dut2_node} | ${dut2_to_dut1} | ${NONE}
+| | ... | ${duts_locator_set} | ${dut1_ip4_eid} | ${dut2_ip4_eid}
+| | ... | ${dut1_to_dut2_ip4_static_adjacency}
+| | ... | ${dut2_to_dut1_ip4_static_adjacency}
+| | And Setup Qemu DUT1
+| | Then Send Packet And Check Headers
+| | ... | ${tg_node} | ${tg1_ip4} | ${tg2_ip4}
+| | ... | ${tg_to_dut1} | ${tg_to_dut1_mac} | ${dst_vhost_mac}
+| | ... | ${tg_to_dut2} | ${dut2_to_tg_mac} | ${tg_to_dut2_mac}
+| | And Send Packet And Check Headers
+| | ... | ${tg_node} | ${tg2_ip4} | ${tg1_ip4}
+| | ... | ${tg_to_dut2} | ${tg_to_dut2_mac} | ${dut2_to_tg_mac}
+| | ... | ${tg_to_dut1} | ${dut1_to_tg_mac} | ${tg_to_dut1_mac}
+
+| TC04: DUT1 and DUT2 route IPv4 bidirectionally over LISP GPE tunnel using vhost interfaces and VRF is enabled
+| | [Documentation]
+| | ... | [Top] TG-DUT1-DUT2-TG.
+| | ... | [Enc] Eth-IPv4-LISPGPE-IPv4-ICMPv4 on DUT1-DUT2, Eth-IPv4-ICMPv4 on\
+| | ... | TG-DUTn.
+| | ... | [Cfg] Configure IPv4 LISP static adjacencies on DUT1 and DUT2.
+| | ... | [Ver] Case: ip4-lispgpe-ip4 - vrf, virt2lisp
+| | ... | Make TG send ICMPv4 Echo Req between its interfaces across both\
+| | ... | DUTs and LISP GPE tunnel between them; verify IPv4 headers on\
+| | ... | received packets are correct.
+| | ... | [Ref] RFC6830.
+| | ...
+| | [Teardown] | Run Keywords | Show Packet Trace on All DUTs | ${nodes}
+| | ... | AND | Show vpp trace dump on all DUTs
+| | ... | AND | VPP Show Errors | ${nodes['DUT1']}
+| | ... | AND | VPP Show Errors | ${nodes['DUT2']}
+| | ... | AND | Stop and Clear QEMU | ${dut1_node} | ${vm_node}
+| | ...
+| | [Tags] | EXPECTED_FAILING
+| | ...
 | | Given Path for 3-node testing is set
 | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['DUT2']} | ${nodes['TG']}
 | | And Interfaces in 3-node path are up
@@ -125,11 +237,30 @@
 | | ... | ${duts_locator_set} | ${dut1_ip4_eid} | ${dut2_ip4_eid}
 | | ... | ${dut1_to_dut2_ip4_static_adjacency}
 | | ... | ${dut2_to_dut1_ip4_static_adjacency}
+| | And Setup Qemu DUT1
 | | Then Send Packet And Check Headers
 | | ... | ${tg_node} | ${tg1_ip4} | ${tg2_ip4}
-| | ... | ${tg_to_dut1} | ${tg_to_dut1_mac} | ${dut1_to_tg_mac}
+| | ... | ${tg_to_dut1} | ${tg_to_dut1_mac} | ${dst_vhost_mac}
 | | ... | ${tg_to_dut2} | ${dut2_to_tg_mac} | ${tg_to_dut2_mac}
 | | And Send Packet And Check Headers
 | | ... | ${tg_node} | ${tg2_ip4} | ${tg1_ip4}
 | | ... | ${tg_to_dut2} | ${tg_to_dut2_mac} | ${dut2_to_tg_mac}
 | | ... | ${tg_to_dut1} | ${dut1_to_tg_mac} | ${tg_to_dut1_mac}
+
+*** Keywords ***
+| Setup Qemu DUT1
+| | [Documentation] | Setup Vhosts on DUT1 and setup IP on one of them. Setup\
+| | ... | Qemu and bridge the vhosts.
+| | ...
+| | ${vhost1}= | Vpp Create Vhost User Interface | ${dut1_node} | ${sock1}
+| | ${vhost2}= | Vpp Create Vhost User Interface | ${dut1_node} | ${sock2}
+| | Set Interface State | ${dut1_node} | ${vhost1} | up
+| | Set Interface State | ${dut1_node} | ${vhost2} | up
+| | Bridge domain on DUT node is created | ${dut1_node} | ${bid} | learn=${TRUE}
+| | Interface is added to bridge domain | ${dut1_node}
+| | ... | ${dut1_to_tg} | ${bid} | 0
+| | Interface is added to bridge domain | ${dut1_node}
+| | ... | ${vhost1} | ${bid} | 0
+| | ${vhost_mac}= | Get Vhost User Mac By SW Index | ${dut1_node} | ${vhost2}
+| | Set test variable | ${dst_vhost_mac} | ${vhost_mac}
+| | VM for Vhost L2BD forwarding is setup | ${dut1_node} | ${sock1} | ${sock2}