1 files changed, 115 insertions, 0 deletions
diff --git a/src/plugins/pvti/input-main.c b/src/plugins/pvti/input-main.c
new file mode 100644
index 00000000000..8ab8b18dd7c
--- /dev/null
+++ b/src/plugins/pvti/input-main.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2024 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 <pvti/input.h>
+
+static char *pvti_input_error_strings[] = {
+#define _(sym, string) string,
+  foreach_pvti_input_error
+#undef _
+};
+
+#define _(f, s) s,
+static char *pvti_input_trace_type_names[] = { foreach_pvti_input_trace_type };
+#undef _
+
+static char *
+get_pvti_trace_type_name (u8 ptype)
+{
+  if (ptype < PVTI_INPUT_TRACE_N_TYPES)
+    {
+      return pvti_input_trace_type_names[ptype];
+    }
+  else
+    {
+      return "unknown";
+    }
+}
+
+/* packet trace format function */
+static u8 *
+format_pvti_input_trace (u8 *s, va_list *args)
+{
+  int i;
+  CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
+  CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
+  pvti_input_trace_t *t = va_arg (*args, pvti_input_trace_t *);
+
+  u32 indent = format_get_indent (s);
+
+  s = format (s,
+	      "PVTI-IN: sw_if_index %d, next index %d, trace_type: %s(%d), "
+	      "chunkcnt: %d\n",
+	      t->sw_if_index, t->next_index,
+	      get_pvti_trace_type_name (t->trace_type), t->trace_type,
+	      t->chunk_count);
+  s = format (s, "  src %U sport %d dport %d\n", format_ip_address,
+	      &t->remote_ip, t->remote_port, t->local_port);
+  s = format (s, "  seq: %d, chunk_count: %d\n", t->seq, t->chunk_count);
+  u16 max = t->chunk_count > MAX_CHUNKS ? MAX_CHUNKS : t->chunk_count;
+  for (i = 0; i < max; i++)
+    {
+      s = format (s, "    %02d: sz %d\n", i, t->chunks[i].total_chunk_length);
+    }
+  s = format (s, "\n%U%U", format_white_space, indent,
+	      format_ip_adjacency_packet_data, t->packet_data,
+	      sizeof (t->packet_data));
+
+  return s;
+}
+
+vlib_node_registration_t pvti4_input_node;
+vlib_node_registration_t pvti6_input_node;
+
+VLIB_REGISTER_NODE (pvti4_input_node) =
+{
+  .name = "pvti4-input",
+  .vector_size = sizeof (u32),
+  .format_trace = format_pvti_input_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+
+  .n_errors = ARRAY_LEN(pvti_input_error_strings),
+  .error_strings = pvti_input_error_strings,
+
+  .n_next_nodes = PVTI_INPUT_N_NEXT,
+
+  .next_nodes = {
+        [PVTI_INPUT_NEXT_DROP] = "error-drop",
+        [PVTI_INPUT_NEXT_IP4_INPUT] = "ip4-input-no-checksum",
+        [PVTI_INPUT_NEXT_IP6_INPUT] = "ip6-input",
+        [PVTI_INPUT_NEXT_PUNT] = "error-punt",
+  },
+
+};
+VLIB_REGISTER_NODE (pvti6_input_node) =
+{
+  .name = "pvti6-input",
+  .vector_size = sizeof (u32),
+  .format_trace = format_pvti_input_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+
+  .n_errors = ARRAY_LEN(pvti_input_error_strings),
+  .error_strings = pvti_input_error_strings,
+
+  .n_next_nodes = PVTI_INPUT_N_NEXT,
+
+  .next_nodes = {
+        [PVTI_INPUT_NEXT_DROP] = "error-drop",
+        [PVTI_INPUT_NEXT_IP4_INPUT] = "ip4-input-no-checksum",
+        [PVTI_INPUT_NEXT_IP6_INPUT] = "ip6-input",
+        [PVTI_INPUT_NEXT_PUNT] = "error-punt",
+  },
+
+};