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/*
* 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
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