linux-cp: Linux Interface Mirroring for Control Plane Integration

Type: feature

please see FEATURE.yaml for details.

Signed-off-by: Neale Ranns <nranns@cisco.com>
Signed-off-by: Matthew Smith <mgsmith@netgate.com>
Signed-off-by: Jon Loeliger <jdl@netgate.com>
Signed-off-by: Pim van Pelt <pim@ipng.nl>
Change-Id: I04a45c15c0838906aa787e06660fa29f39f755fa

1 files changed, 101 insertions, 0 deletions

diff --git a/src/plugins/linux-cp/test/lcp_unittest.c b/src/plugins/linux-cp/test/lcp_unittest.c
new file mode 100644
index 00000000000..57858eb8df0
--- /dev/null
+++ b/src/plugins/linux-cp/test/lcp_unittest.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2021 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <vlib/vlib.h>
+
+#include <plugins/linux-cp/lcp_interface.h>
+
+static u32 host_vif;
+const static char *host_template = "tap%d";
+
+static clib_error_t *
+lcp_add_pair_command_fn (vlib_main_t *vm, unformat_input_t *input,
+			 vlib_cli_command_t *cmd)
+{
+  u32 phy_sw_if_index, host_sw_if_index;
+  u8 is_add, *host_name;
+  vnet_main_t *vnm = vnet_get_main ();
+
+  ++host_vif;
+  host_name = format (NULL, host_template, host_vif);
+  phy_sw_if_index = host_sw_if_index = ~0;
+  is_add = 1;
+  lcp_main.test_mode = 1;
+
+  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (input, "add"))
+	is_add = 1;
+      else if (unformat (input, "del"))
+	is_add = 0;
+      else if (unformat (input, "phy %U", unformat_vnet_sw_interface, vnm,
+			 &phy_sw_if_index))
+	;
+      else if (unformat (input, "host %U", unformat_vnet_sw_interface, vnm,
+			 &host_sw_if_index))
+	;
+      else
+	return clib_error_return (0, "unknown input:%U", format_unformat_error,
+				  input);
+    }
+
+  if (phy_sw_if_index == ~0)
+    return clib_error_return (0, "ERROR; no phy:%U", format_unformat_error,
+			      input);
+
+  lip_host_type_t host_type =
+    (vnet_sw_interface_is_p2p (vnm, phy_sw_if_index) ? LCP_ITF_HOST_TUN :
+						       LCP_ITF_HOST_TAP);
+
+  int rv;
+
+  if (is_add)
+    {
+      if (host_sw_if_index == ~0)
+	return clib_error_return (0, "ERROR no-host:%U", format_unformat_error,
+				  input);
+
+      rv = lcp_itf_pair_add (host_sw_if_index, phy_sw_if_index, host_name,
+			     host_vif, host_type, NULL);
+    }
+  else
+    rv = lcp_itf_pair_del (phy_sw_if_index);
+
+  if (rv)
+    return clib_error_return (0, "ERROR rv:%d", rv);
+
+  return (NULL);
+}
+
+VLIB_CLI_COMMAND (test_time_range_command, static) = {
+  .path = "test lcp",
+  .short_help = "lcp [add|del] phy <SW_IF_INDEX> host <SW_IF_INDEX>",
+  .function = lcp_add_pair_command_fn,
+};
+
+#include <vnet/plugin/plugin.h>
+#include <vpp/app/version.h>
+VLIB_PLUGIN_REGISTER () = {
+  .version = VPP_BUILD_VER,
+  .description = "Linux Control Plane - Unit Test",
+  .default_disabled = 1,
+};
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */