1 files changed, 87 insertions, 0 deletions
diff --git a/src/plugins/pvti/input.h b/src/plugins/pvti/input.h
new file mode 100644
index 00000000000..02a186cde05
--- /dev/null
+++ b/src/plugins/pvti/input.h
@@ -0,0 +1,87 @@
+/*
+ * 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.
+ */
+#ifndef __included_pvti_input_h__
+#define __included_pvti_input_h__
+
+#include <vlib/vlib.h>
+#include <vnet/vnet.h>
+#include <vnet/pg/pg.h>
+#include <vppinfra/error.h>
+#include <pvti/pvti.h>
+#include <pvti/pvti_if.h>
+
+typedef struct
+{
+  u16 total_chunk_length;
+} pvti_input_chunk_t;
+
+#define MAX_CHUNKS	   32
+#define PVTI_RX_MAX_LENGTH 2048
+
+typedef struct
+{
+  u32 next_index;
+  u32 sw_if_index;
+  ip_address_t remote_ip;
+  u16 remote_port;
+  u16 local_port;
+  u32 seq;
+  pvti_input_chunk_t chunks[MAX_CHUNKS];
+  u8 chunk_count;
+  u8 trace_type;
+  u8 packet_data[64];
+} pvti_input_trace_t;
+
+#define foreach_pvti_input_trace_type                                         \
+  _ (drop, "drop")                                                            \
+  _ (decap, "decapsulate")                                                    \
+  _ (free, "free")                                                            \
+  _ (enqueue, "enqueue")
+
+typedef enum
+{
+#define _(f, s) PVTI_INPUT_TRACE_##f,
+  foreach_pvti_input_trace_type
+#undef _
+    PVTI_INPUT_TRACE_N_TYPES,
+} pvti_input_trace_type_t;
+
+#define foreach_pvti_input_error                                              \
+  _ (PROCESSED, "PVTI tunneled packets processed")                            \
+  _ (DECAPSULATED, "PVTI inner packets decapsulated")                         \
+  _ (PEER, "Could not find a peer")                                           \
+  _ (NOCHUNKS, "Packet has no chunks")                                        \
+  _ (NO_BUFFERS, "No buffers available to decapsulate")                       \
+  _ (TOOMANYREASS, "Packet has more reassembly chunks than total")            \
+  _ (PACKET_TOO_SHORT, "Packet too short")
+
+typedef enum
+{
+#define _(sym, str) PVTI_INPUT_ERROR_##sym,
+  foreach_pvti_input_error
+#undef _
+    PVTI_INPUT_N_ERROR,
+} pvti_input_error_t;
+
+typedef enum
+{
+  PVTI_INPUT_NEXT_DROP,
+  PVTI_INPUT_NEXT_IP4_INPUT,
+  PVTI_INPUT_NEXT_IP6_INPUT,
+  PVTI_INPUT_NEXT_PUNT,
+  PVTI_INPUT_N_NEXT,
+} pvti_input_next_t;
+
+#endif // pvti_input_h