CSIT-227, CSIT-240 IPv4/IPv6 Multipath routing tests

  - add IPv4 Equal-cost multipath routing test
  - add IPv6 Equal-cost multipath routing test

Change-Id: I62eaf9983b7767e124f80af7d8c8652ffc460cf8
Signed-off-by: Patrik Hrnciar <phrnciar@cisco.com>

2 files changed, 56 insertions, 3 deletions

diff --git a/resources/libraries/python/Routing.py b/resources/libraries/python/Routing.py
index ff675f39a9..73c58e2053 100644
--- a/resources/libraries/python/Routing.py
+++ b/resources/libraries/python/Routing.py
@@ -19,14 +19,14 @@ from resources.libraries.python.ssh import exec_cmd_no_error
 
 
 class Routing(object):
-
     """Routing utilities."""
 
     # pylint: disable=too-many-arguments
     @staticmethod
     def vpp_route_add(node, network, prefix_len, gateway=None,
                       interface=None, use_sw_index=True, resolve_attempts=10,
-                      count=1, vrf=None, lookup_vrf=None):
+                      count=1, vrf=None, lookup_vrf=None, multipath=False,
+                      weight=None):
         """Add route to the VPP node.
 
         :param node: Node to add route on.
@@ -40,6 +40,8 @@ class Routing(object):
         :param count: number of IP addresses to add starting from network IP
         with same prefix (increment is 1). If None, then is not used.
         :param lookup_vrf: VRF table ID for lookup.
+        :param multipath: Enable multipath routing.
+        :param weight: Weight value for unequal cost multipath routing.
         :type node: dict
         :type network: str
         :type prefix_len: int
@@ -50,6 +52,8 @@ class Routing(object):
         :type count: int
         :type vrf: int
         :type lookup_vrf: int
+        :type multipath: bool
+        :type weight: int
         """
         if use_sw_index:
             int_cmd = ('sw_if_index {}'.
@@ -69,6 +73,10 @@ class Routing(object):
 
         lookup_vrf = 'lookup-in-vrf {}'.format(lookup_vrf) if lookup_vrf else ''
 
+        multipath = 'multipath' if multipath else ''
+
+        weight = 'weight {}'.format(weight) if weight else ''
+
         with VatTerminal(node, json_param=False) as vat:
             vat.vat_terminal_exec_cmd_from_template('add_route.vat',
                                                     network=network,
@@ -78,7 +86,9 @@ class Routing(object):
                                                     interface=int_cmd,
                                                     resolve_attempts=rap,
                                                     count=cnt,
-                                                    lookup_vrf=lookup_vrf)
+                                                    lookup_vrf=lookup_vrf,
+                                                    multipath=multipath,
+                                                    weight=weight)
 
     @staticmethod
     def add_fib_table(node, network, prefix_len, fib_id, place):
diff --git a/resources/libraries/robot/traffic.robot b/resources/libraries/robot/traffic.robot
index 2522444e35..f21831fe5a 100644
--- a/resources/libraries/robot/traffic.robot
+++ b/resources/libraries/robot/traffic.robot
@@ -388,3 +388,46 @@
 | | ...                 | --src_ip | ${src_ip} | --dst_ip | ${tgt_ip}
 | | Run Keyword And Expect Error | ARP reply timeout
 | | ... | Run Traffic Script On Node | arp_request.py | ${tg_node} | ${args}
+
+| Send Packets And Check Multipath Routing
+| | [Documentation] | Send 100 IP ICMP packets traffic and check if it is\
+| | ...             | divided into two paths.
+| | ...
+| | ... | *Arguments:*
+| | ...
+| | ... | _NOTE:_ Arguments are based on topology:
+| | ... | TG(if1)->(if1)DUT(if2)->TG(if2)
+| | ...
+| | ... | - tg_node - Node to execute scripts on (TG). Type: dictionary
+| | ... | - src_port - Interface of TG-if1. Type: string
+| | ... | - dst_port - Interface of TG-if2. Type: string
+| | ... | - src_ip - IP of source interface (TG-if1). Type: string
+| | ... | - dst_ip - IP of destination interface (TG-if2). Type: string
+| | ... | - tx_src_mac - MAC address of TG-if1. Type: string
+| | ... | - tx_dst_mac - MAC address of DUT-if1. Type: string
+| | ... | - rx_src_mac - MAC address of DUT-if2. Type: string
+| | ... | - rx_dst_mac_1 - MAC address of interface for path 1. Type: string
+| | ... | - rx_dst_mac_2 - MAC address of interface for path 2. Type: string
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Send Packet And Check Multipath Routing \| ${nodes['TG']} \
+| | ... | \| eth2 \| eth3 \| 16.0.0.1 \| 32.0.0.1 \
+| | ... | \| 08:00:27:cc:4f:54 \| 08:00:27:c9:6a:d5 \| 08:00:27:54:59:f9 \
+| | ... | \| 02:00:00:00:00:02 \| 02:00:00:00:00:03 \|
+| | ...
+| | [Arguments] | ${tg_node} | ${src_port} | ${dst_port} | ${src_ip} | ${dst_ip}
+| | ...         | ${tx_src_mac} | ${tx_dst_mac} | ${rx_src_mac}
+| | ...         | ${rx_dst_mac_1} | ${rx_dst_mac_2}
+| | ${src_port_name}= | Get interface name | ${tg_node} | ${src_port}
+| | ${dst_port_name}= | Get interface name | ${tg_node} | ${dst_port}
+| | ${args}= | Catenate | --tx_if | ${src_port_name}
+| | ... | --rx_if | ${dst_port_name} | --src_ip | ${src_ip}
+| | ... | --dst_ip | ${dst_ip} | --tg_if1_mac | ${tx_src_mac}
+| | ... | --dut_if1_mac | ${tx_dst_mac} | --dut_if2_mac | ${rx_src_mac}
+| | ... | --path_1_mac | ${rx_dst_mac_1} | --path_2_mac | ${rx_dst_mac_2}
+| | Run Traffic Script On Node | send_icmp_check_multipath.py | ${tg_node}
+| | ... | ${args}