CSIT-179 IPv6 Scale - performance

- Add libraries for ipv6 scale setup
- Add test cases for testing 10k/100k/1M fib entries
- Add t-rex profiles for large scale testing

Change-Id: I4260405c960afe659db7e0764a68a87b9e8de0b2
Signed-off-by: pmikus <pmikus@cisco.com>

4 files changed, 141 insertions, 24 deletions

diff --git a/resources/libraries/python/TrafficGenerator.py b/resources/libraries/python/TrafficGenerator.py
index a640c1d80a..28a75669b2 100644
--- a/resources/libraries/python/TrafficGenerator.py
+++ b/resources/libraries/python/TrafficGenerator.py
@@ -406,6 +406,51 @@ class TrafficGenerator(object):
                                                     _p0, _p1, _async, _latency,
                                                     warmup_time),
                 timeout=int(duration)+60)
+        elif traffic_type in ["3-node-IPv6-dst-10000"]:
+            (ret, stdout, stderr) = ssh.exec_command(
+                "sh -c '{0}/resources/tools/t-rex/t-rex-stateless.py "
+                "--duration={1} -r {2} -s {3} -6 "
+                "--p{4}_src_start_ip 2001:1::1 "
+                "--p{4}_dst_start_ip 2001:2::0 "
+                "--p{4}_dst_end_ip 2001:2::270F "
+                "--p{5}_src_start_ip 2001:2::1 "
+                "--p{5}_dst_start_ip 2001:1::0 "
+                "--p{5}_dst_end_ip 2001:1::270F "
+                "{6} {7} --warmup_time={8}'".format(Constants.REMOTE_FW_DIR,
+                                                    duration, rate, framesize,
+                                                    _p0, _p1, _async, _latency,
+                                                    warmup_time),
+                timeout=int(duration)+60)
+        elif traffic_type in ["3-node-IPv6-dst-100000"]:
+            (ret, stdout, stderr) = ssh.exec_command(
+                "sh -c '{0}/resources/tools/t-rex/t-rex-stateless.py "
+                "--duration={1} -r {2} -s {3} -6 "
+                "--p{4}_src_start_ip 2001:1::1 "
+                "--p{4}_dst_start_ip 2001:2::0 "
+                "--p{4}_dst_end_ip 2001:2::1:869F "
+                "--p{5}_src_start_ip 2001:2::1 "
+                "--p{5}_dst_start_ip 2001:1::0 "
+                "--p{5}_dst_end_ip 2001:1::1:869F "
+                "{6} {7} --warmup_time={8}'".format(Constants.REMOTE_FW_DIR,
+                                                    duration, rate, framesize,
+                                                    _p0, _p1, _async, _latency,
+                                                    warmup_time),
+                timeout=int(duration)+60)
+        elif traffic_type in ["3-node-IPv6-dst-1000000"]:
+            (ret, stdout, stderr) = ssh.exec_command(
+                "sh -c '{0}/resources/tools/t-rex/t-rex-stateless.py "
+                "--duration={1} -r {2} -s {3} -6 "
+                "--p{4}_src_start_ip 2001:1::1 "
+                "--p{4}_dst_start_ip 2001:2::0 "
+                "--p{4}_dst_end_ip 2001:2::F:423F "
+                "--p{5}_src_start_ip 2001:2::1 "
+                "--p{5}_dst_start_ip 2001:1::0 "
+                "--p{5}_dst_end_ip 2001:1::F:423F "
+                "{6} {7} --warmup_time={8}'".format(Constants.REMOTE_FW_DIR,
+                                                    duration, rate, framesize,
+                                                    _p0, _p1, _async, _latency,
+                                                    warmup_time),
+                timeout=int(duration)+60)
         else:
             raise NotImplementedError('Unsupported traffic type')
 
diff --git a/resources/libraries/python/VppConfigGenerator.py b/resources/libraries/python/VppConfigGenerator.py
index de1f0c7e5c..ad3f23483e 100644
--- a/resources/libraries/python/VppConfigGenerator.py
+++ b/resources/libraries/python/VppConfigGenerator.py
@@ -60,6 +60,12 @@ dpdk {{
 {nomultiseg}
 {enablevhostuser}
 }}
+
+ip6 {{
+  hash-buckets 2000000
+  heap-size 500m
+}}
+
 """
 # End VPP configuration template.
 
diff --git a/resources/libraries/robot/performance.robot b/resources/libraries/robot/performance.robot
index 78cdd8b845..bb9e8ab135 100644
--- a/resources/libraries/robot/performance.robot
+++ b/resources/libraries/robot/performance.robot
@@ -386,6 +386,46 @@
 | | Vpp Route Add | ${dut1} | 2001:2::0 | ${prefix} | 2001:3::2 | ${dut1_if2}
 | | Vpp Route Add | ${dut2} | 2001:1::0 | ${prefix} | 2001:3::1 | ${dut2_if1}
 
+| Scale IPv6 forwarding initialized in a 3-node circular topology
+| | [Documentation]
+| | ... | Custom setup of IPv6 topology with scalability of ip routes on all
+| | ... | DUT nodes in 3-node circular topology
+| | ...
+| | ... | *Arguments:*
+| | ... | - ${count} - IP route count. Type: integer
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Scale IPv6 forwarding initialized in a 3-node circular topology \
+| | ... | \| 100000 \|
+| | [Arguments] | ${count}
+| | ${subn_prefix}= | Set Variable | 64
+| | ${host_prefix}= | Set Variable | 128
+| | VPP Set If IPv6 Addr | ${dut1} | ${dut1_if1} | 2001:3::1 | ${subn_prefix}
+| | VPP Set If IPv6 Addr | ${dut1} | ${dut1_if2} | 2001:4::1 | ${subn_prefix}
+| | VPP Set If IPv6 Addr | ${dut2} | ${dut2_if1} | 2001:4::2 | ${subn_prefix}
+| | VPP Set If IPv6 Addr | ${dut2} | ${dut2_if2} | 2001:5::1 | ${subn_prefix}
+| | ${tg1_if1_mac}= | Get Interface MAC | ${tg} | ${tg_if1}
+| | ${tg1_if2_mac}= | Get Interface MAC | ${tg} | ${tg_if2}
+| | ${dut1_if2_mac}= | Get Interface MAC | ${dut1} | ${dut1_if2}
+| | ${dut2_if1_mac}= | Get Interface MAC | ${dut2} | ${dut2_if1}
+| | Vpp nodes ra suppress link layer | ${nodes}
+| | Add Ip Neighbor | ${dut1} | ${dut1_if1} | 2001:3::2 | ${tg1_if1_mac}
+| | Add Ip Neighbor | ${dut1} | ${dut1_if2} | 2001:4::2 | ${dut2_if1_mac}
+| | Add Ip Neighbor | ${dut2} | ${dut2_if1} | 2001:4::1 | ${dut1_if2_mac}
+| | Add Ip Neighbor | ${dut2} | ${dut2_if2} | 2001:5::2 | ${tg1_if2_mac}
+| | Vpp Route Add | ${dut1} | 2001:2::0 | ${host_prefix} | 2001:4::2
+| | ...           | interface=${dut1_if2} | count=${count}
+| | Vpp Route Add | ${dut1} | 2001:1::0 | ${host_prefix} | 2001:3::2
+| | ...           | interface=${dut1_if1} | count=${count}
+| | Vpp Route Add | ${dut2} | 2001:1::0 | ${host_prefix} | 2001:4::1
+| | ...           | interface=${dut2_if2} | count=${count}
+| | Vpp Route Add | ${dut2} | 2001:2::0 | ${host_prefix} | 2001:5::2
+| | ...           | interface=${dut2_if1} | count=${count}
+
 | L2 xconnect initialized in a 3-node circular topology
 | | [Documentation]
 | | ... | Setup L2 xconnect topology by cross connecting two interfaces on
diff --git a/resources/tools/t-rex/t-rex-stateless.py b/resources/tools/t-rex/t-rex-stateless.py
index 9ee34f6c22..6c7579d0c3 100755
--- a/resources/tools/t-rex/t-rex-stateless.py
+++ b/resources/tools/t-rex/t-rex-stateless.py
@@ -96,7 +96,7 @@ def get_start_end_ipv6(start_ip, end_ip):
             print "IPv6: start_ip is greater then end_ip"
             sys.exit(2)
 
-        max_p1 = abs(int(lo1) - int(lo2)) + 1
+        max_p1 = abs(int(lo1) - int(lo2))
         base_p1 = lo1
     except AddressValueError as ex_error:
         print ex_error
@@ -259,33 +259,59 @@ def create_streams_v6(traffic_options, frame_size=78):
     p2_src_end_ip = traffic_options['p2_src_end_ip']
     p2_dst_start_ip = traffic_options['p2_dst_start_ip']
 
-    base_p1, max_p1 = get_start_end_ipv6(p1_src_start_ip, p1_src_end_ip)
-    base_p2, max_p2 = get_start_end_ipv6(p2_src_start_ip, p2_src_end_ip)
+    p1_dst_end_ip = traffic_options['p1_dst_end_ip']
+    p2_dst_end_ip = traffic_options['p2_dst_end_ip']
 
     base_pkt_a = Ether()/IPv6(src=p1_src_start_ip, dst=p1_dst_start_ip)
     base_pkt_b = Ether()/IPv6(src=p2_src_start_ip, dst=p2_dst_start_ip)
 
-    # The following code applies raw instructions to packet (IP src increment).
-    # It splits the generated traffic by "ip_src" variable to cores
-    vm1 = STLScVmRaw([STLVmFlowVar(name="ipv6_src",
-                                   min_value=base_p1,
-                                   max_value=max_p1+base_p1,
-                                   size=8, op="inc"),
-                      STLVmWrFlowVar(fv_name="ipv6_src", pkt_offset="IPv6.src",
-                                     offset_fixup=8)
-                     ]
-                     , split_by_field="ipv6_src")
-
-    # The following code applies raw instructions to packet (IP src increment).
-    # It splits the generated traffic by "ip_src" variable to cores
-    vm2 = STLScVmRaw([STLVmFlowVar(name="ipv6_src",
-                                   min_value=base_p2,
-                                   max_value=max_p2+base_p2,
-                                   size=8, op="inc"),
-                      STLVmWrFlowVar(fv_name="ipv6_src", pkt_offset="IPv6.src",
-                                     offset_fixup=8)
-                     ]
-                     , split_by_field="ipv6_src")
+    # The following code applies raw instructions to packet (IP src/dst
+    # increment). It splits the generated traffic by "ip_src"/"ip_dst" variable
+    # to cores.
+    if p1_dst_end_ip and p2_dst_end_ip:
+        base_p1, max_p1 = get_start_end_ipv6(p1_dst_start_ip, p1_dst_end_ip)
+        base_p2, max_p2 = get_start_end_ipv6(p2_dst_start_ip, p2_dst_end_ip)
+
+        vm1 = STLScVmRaw([STLVmFlowVar(name="ipv6_dst",
+                                       min_value=base_p1,
+                                       max_value=max_p1+base_p1,
+                                       size=8, op="inc"),
+                          STLVmWrFlowVar(fv_name="ipv6_dst",
+                                         pkt_offset="IPv6.dst",
+                                         offset_fixup=8)
+                         ]
+                         , split_by_field="ipv6_dst")
+        vm2 = STLScVmRaw([STLVmFlowVar(name="ipv6_dst",
+                                       min_value=base_p2,
+                                       max_value=max_p2+base_p2,
+                                       size=8, op="inc"),
+                          STLVmWrFlowVar(fv_name="ipv6_dst",
+                                         pkt_offset="IPv6.dst",
+                                         offset_fixup=8)
+                         ]
+                         , split_by_field="ipv6_dst")
+    else:
+        base_p1, max_p1 = get_start_end_ipv6(p1_src_start_ip, p1_src_end_ip)
+        base_p2, max_p2 = get_start_end_ipv6(p2_src_start_ip, p2_src_end_ip)
+
+        vm1 = STLScVmRaw([STLVmFlowVar(name="ipv6_src",
+                                       min_value=base_p1,
+                                       max_value=max_p1+base_p1,
+                                       size=8, op="inc"),
+                          STLVmWrFlowVar(fv_name="ipv6_src",
+                                         pkt_offset="IPv6.src",
+                                         offset_fixup=8)
+                         ]
+                         , split_by_field="ipv6_src")
+        vm2 = STLScVmRaw([STLVmFlowVar(name="ipv6_src",
+                                       min_value=base_p2,
+                                       max_value=max_p2+base_p2,
+                                       size=8, op="inc"),
+                          STLVmWrFlowVar(fv_name="ipv6_src",
+                                         pkt_offset="IPv6.src",
+                                         offset_fixup=8)
+                         ]
+                         , split_by_field="ipv6_src")
 
     return create_streams_v46(base_pkt_a, base_pkt_b, vm1, vm2, frame_size)