tracenode: filtering feature

In order to be able to filter on encapsulated packet, a new node
has been added to the ip4/6-unicast arcs.

Type: feature
Change-Id: I1e8ee05bc6d0fce20cadd8319c81bab260c17d21
Signed-off-by: Maxime Peim <mpeim@cisco.com>

1 files changed, 72 insertions, 0 deletions

diff --git a/src/plugins/tracenode/cli.c b/src/plugins/tracenode/cli.c
new file mode 100644
index 00000000000..8d0ed4176d6
--- /dev/null
+++ b/src/plugins/tracenode/cli.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2023 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 <tracenode/tracenode.h>
+
+static clib_error_t *
+tracenode_feature_cmd_fn (vlib_main_t *vm, unformat_input_t *input,
+			  vlib_cli_command_t *cmd)
+{
+  unformat_input_t _line_input, *line_input = &_line_input;
+  u32 sw_if_index = ~0;
+  int enable = 1, is_pcap = 0;
+  int rv;
+
+  /* Get a line of input. */
+  if (!unformat_user (input, unformat_line_input, line_input))
+    return 0;
+
+  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (line_input, "disable"))
+	enable = 0;
+      else if (unformat (line_input, "pcap"))
+	is_pcap = 1;
+      else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
+			 vnet_get_main (), &sw_if_index))
+	{
+	  if (sw_if_index == 0)
+	    return clib_error_return (0, "Local interface not supported...");
+	}
+
+      else
+	break;
+    }
+
+  if (sw_if_index == ~0)
+    return clib_error_return (0, "Software interface required");
+
+  if ((rv = tracenode_feature_enable_disable (sw_if_index, is_pcap, enable)) !=
+      0)
+    return clib_error_return (
+      0, "vnet_enable_disable_tracenode_feature returned %d", rv);
+
+  return 0;
+}
+
+VLIB_CLI_COMMAND (tracenode_feature, static) = {
+  .path = "tracenode feature",
+  .short_help = "tracenode feature <intfc> [disable] [pcap]",
+  .function = tracenode_feature_cmd_fn,
+};
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */