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+/*
+ * Copyright (c) 2017-2019 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.
+ */
+
+/**
+ * @file base.h
+ * @brief Protocol-independent packet operations
+ */
+
+#ifndef HICN_OPS_H
+#define HICN_OPS_H
+
+#include <stdlib.h>
+
+#include "error.h"
+#include "header.h"
+#include "name.h"
+
+/*
+ * hICN operations on packets
+ *
+ * All prototypes take an hicn_type_t parameter as their first argument, as this
+ * decides the sequence of protocols that are being used by the different
+ * operations.
+ */
+
+typedef struct hicn_ops_s
+{
+ /** Protocol name */
+ const char *name;
+
+ /**
+ * @brief Initialize the headers of the hicn packet
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the packet
+ */
+ int (*init_packet_header) (hicn_type_t type, hicn_protocol_t * h);
+
+ /**
+ * @brief Retrieves an Interest locator
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the Interest packet
+ * @param [out] ip_address - Retrieved locator
+ * @return hICN error code
+ */
+ int (*get_interest_locator) (hicn_type_t type, const hicn_protocol_t * h,
+ ip46_address_t * ip_address);
+
+ /**
+ * @brief Sets an Interest locator
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Interest packet
+ * @param [in] ip_address - Locator to set
+ * @return hICN error code
+ */
+ int (*set_interest_locator) (hicn_type_t type, hicn_protocol_t * h,
+ const ip46_address_t * ip_address);
+
+ /**
+ * @brief Retrieves an Interest name
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the Interest packet
+ * @param [out] name - Retrieved name
+ * @return hICN error code
+ */
+ int (*get_interest_name) (hicn_type_t type, const hicn_protocol_t * h,
+ hicn_name_t * name);
+
+ /**
+ * @brief Sets an Interest name
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Interest packet
+ * @param [in] name - Name to set
+ * @return hICN error code
+ */
+ int (*set_interest_name) (hicn_type_t type, hicn_protocol_t * h,
+ const hicn_name_t * name);
+
+ /**
+ * @brief Retrieves an Interest name suffix
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the Interest packet
+ * @param [out] suffix - Retrieved name suffix
+ * @return hICN error code
+ */
+ int (*get_interest_name_suffix) (hicn_type_t type,
+ const hicn_protocol_t * h,
+ hicn_name_suffix_t * suffix);
+
+ /**
+ * @brief Sets an Interest name suffix
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Interest packet
+ * @param [in] suffix - Name suffix to set
+ * @return hICN error code
+ */
+ int (*set_interest_name_suffix) (hicn_type_t type, hicn_protocol_t * h,
+ const hicn_name_suffix_t * suffix);
+
+ /**
+ * @brief Clear the necessary Interest fields in order to hash it
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Interest packet
+ * @return hICN error code
+ */
+ int (*reset_interest_for_hash) (hicn_type_t type, hicn_protocol_t * h);
+
+ /**
+ * @brief Retrieves a Data locator
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the Data packet
+ * @param [out] ip_address - Retrieved locator
+ * @return hICN error code
+ */
+ int (*get_data_locator) (hicn_type_t type, const hicn_protocol_t * h,
+ ip46_address_t * ip_address);
+
+ /**
+ * @brief Sets a Data locator
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Data packet
+ * @param [in] ip_address - Locator to set
+ * @return hICN error code
+ */
+ int (*set_data_locator) (hicn_type_t type, hicn_protocol_t * h,
+ const ip46_address_t * ip_address);
+
+ /**
+ * @brief Retrieves a Data name
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the Data packet
+ * @param [out] name - Retrieved name
+ * @return hICN error code
+ */
+ int (*get_data_name) (hicn_type_t type, const hicn_protocol_t * h,
+ hicn_name_t * name);
+
+ /**
+ * @brief Sets a Data name
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Data packet
+ * @param [in] name - Name to set
+ * @return hICN error code
+ */
+ int (*set_data_name) (hicn_type_t type, hicn_protocol_t * h,
+ const hicn_name_t * name);
+
+ /**
+ * @brief Retrieves a Data name suffix
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the Data packet
+ * @param [out] suffix - Retrieved name suffix
+ * @return hICN error code
+ */
+ int (*get_data_name_suffix) (hicn_type_t type, const hicn_protocol_t * h,
+ hicn_name_suffix_t * suffix);
+
+ /**
+ * @brief Sets a Data name suffix
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Data packet
+ * @param [in] suffix - Name suffix to set
+ * @return hICN error code
+ */
+ int (*set_data_name_suffix) (hicn_type_t type, hicn_protocol_t * h,
+ const hicn_name_suffix_t * suffix);
+
+ /**
+ * @brief Retrieves a Data pathlabel
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the Data packet
+ * @param [out] pathlabel - Retrieved pathlabel
+ * @return hICN error code
+ */
+ int (*get_data_pathlabel) (hicn_type_t type, const hicn_protocol_t * h,
+ u32 * pathlabel);
+
+ /**
+ * @brief Sets a Data pathlabel
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Data packet
+ * @param [in] pathlabel - Pathlabel to set
+ * @return hICN error code
+ */
+ int (*set_data_pathlabel) (hicn_type_t type, hicn_protocol_t * h,
+ const u32 pathlabel);
+
+ /**
+ * @brief Update a Data pathlabel with a new face identifier
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Data packet
+ * @param [in] pathlabel - Face identifier used to update pathlabel
+ * @return hICN error code
+ */
+ int (*update_data_pathlabel) (hicn_type_t type, hicn_protocol_t * h,
+ const hicn_faceid_t face_id);
+
+ /**
+ * @brief Clear the necessary Data fields in order to hash it
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Data packet
+ * @return hICN error code
+ */
+ int (*reset_data_for_hash) (hicn_type_t type, hicn_protocol_t * h);
+
+ /**
+ * @brief Retrieves an Interest or Data lifetime
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the Interest or Data packet
+ * @param [out] pathlabel - Retrieved lifetime
+ * @return hICN error code
+ */
+ int (*get_lifetime) (hicn_type_t type, const hicn_protocol_t * h,
+ hicn_lifetime_t * lifetime);
+
+ /**
+ * @brief Sets an Interest or Data lifetime
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Interest or Data packet
+ * @param [in] pathlabel - Lifetime to set
+ * @return hICN error code
+ */
+ int (*set_lifetime) (hicn_type_t type, hicn_protocol_t * h,
+ const hicn_lifetime_t lifetime);
+
+ /**
+ * @brief Update all checksums in packet headers
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the packet
+ * @param [in] partial_csum - Partial checksum (set to 0, used internally to
+ * carry intermediate values from IP pseudo-header)
+ * @param [in] payload_length - Payload length (can be set to 0, retrieved
+ * and used internally to carry payload length across protocol headers)
+ * @return hICN error code
+ */
+ int (*update_checksums) (hicn_type_t type, hicn_protocol_t * h,
+ u16 partial_csum, size_t payload_length);
+
+ /**
+ * @brief Validate all checksums in packet headers
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the packet
+ * @param [in] partial_csum - Partial checksum (set to 0, used internally to
+ * carry intermediate values from IP pseudo-header)
+ * @param [in] payload_length - Payload length (can be set to 0, retrieved
+ * and used internally to carry payload length across protocol headers)
+ * @return hICN error code
+ */
+ int (*verify_checksums) (hicn_type_t type, hicn_protocol_t * h,
+ u16 partial_csum, size_t payload_length);
+
+ /**
+ * @brief Rewrite an Interest packet header (locator)
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the Interest packet
+ * @param [in] addr_new - New locator
+ * @param [in] addr_old - Old locator (set to NULL, used internally to
+ * compute incremental checksums)
+ * @return hICN error code
+ */
+ int (*rewrite_interest) (hicn_type_t type, hicn_protocol_t * h,
+ const ip46_address_t * addr_new,
+ ip46_address_t * addr_old);
+
+ /**
+ * @brief Rewrite a Data packet header (locator + pathlabel)
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the Data packet
+ * @param [in] addr_new - New locator
+ * @param [in] addr_old - Old locator (set to NULL, used internally to
+ * compute incremental checksums)
+ * @param [in] face_id - Face identifier used to update pathlabel
+ * @return hICN error code
+ */
+ int (*rewrite_data) (hicn_type_t type, hicn_protocol_t * h,
+ const ip46_address_t * addr_new,
+ ip46_address_t * addr_old,
+ const hicn_faceid_t face_id);
+
+ /**
+ * @brief Return the packet length
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the packet
+ * @parma [out] length - Returned packet length
+ * @return hICN error code
+ */
+ int (*get_length) (hicn_type_t type, const hicn_protocol_t * h,
+ size_t * length);
+
+ /**
+ * @brief Return the current packet header length
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the packet
+ * @parma [out] header_length - Returned packet current header length
+ * @return hICN error code
+ */
+ int (*get_current_header_length) (hicn_type_t type,
+ const hicn_protocol_t * h,
+ size_t * header_length);
+
+ /**
+ * @brief Return the packet header length
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the packet
+ * @parma [out] header_length - Returned packet header length
+ * @return hICN error code
+ */
+ int (*get_header_length) (hicn_type_t type, const hicn_protocol_t * h,
+ size_t * header_length);
+
+ /**
+ * @brief Return the packet payload length
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the packet
+ * @parma [out] payload_length - Returned packet payload length
+ * @return hICN error code
+ */
+ int (*get_payload_length) (hicn_type_t type, const hicn_protocol_t * h,
+ size_t * payload_length);
+
+ /**
+ * @brief Sets the packet paylaod length
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the packet
+ * @parma [out] payload_length - Payload length to set
+ * @return hICN error code
+ */
+ int (*set_payload_length) (hicn_type_t type, hicn_protocol_t * h,
+ size_t payload_length);
+
+ /**
+ * @brief Retrieves an Interest or Data signature size
+ * @param [in] type - hICN packet type
+ * @param [in] h - Buffer holding the Interest or Data packet
+ * @param [out] signature_size - Retrieved signature size
+ * @return hICN error code
+ */
+ int (*get_signature_size) (hicn_type_t type, const hicn_protocol_t * h,
+ size_t * signature_size);
+
+ /**
+ * @brief Sets an Interest or Data signature size
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Interest or Data packet
+ * @param [in] signature_size - Signature size to set
+ * @return hICN error code
+ */
+ int (*set_signature_size) (hicn_type_t type, hicn_protocol_t * h,
+ size_t signature_size);
+
+ /**
+ * @brief Sets the signature timestamp
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Interest or Data packet
+ * @param [in] signature_timestamp - Signature timestamp to set
+ * @return hICN error code
+ */
+ int (*set_signature_timestamp) (hicn_type_t type, hicn_protocol_t * h,
+ uint64_t signature_timestamp);
+
+ /**
+ * @brief Gets the signature timestamp
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Interest or Data packet
+ * @param [out] signature_timestamp - Retrieved signature timestamp
+ * @return hICN error code
+ */
+ int (*get_signature_timestamp) (hicn_type_t type, const hicn_protocol_t * h,
+ uint64_t *signature_timestamp);
+
+ /**
+ * @brief Sets the signature validation algorithm
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Interest or Data packet
+ * @param [in] validation_algorithm - Validation algorithm enumeration
+ * @return hICN error code
+ */
+ int (*set_validation_algorithm) (hicn_type_t type, hicn_protocol_t * h,
+ uint8_t validation_algorithm);
+
+ /**
+ * @brief Gets the signature validation algorithm
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Interest or Data packet
+ * @param [out] validation_algorithm - Retrieved validation_algorithm
+ * @return hICN error code
+ */
+ int (*get_validation_algorithm) (hicn_type_t type, const hicn_protocol_t * h,
+ uint8_t *validation_algorithm);
+
+ /**
+ * @brief Sets the key id
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Interest or Data packet
+ * @param [in] key_id - Key id first byte address
+ * @return hICN error code
+ */
+ int (*set_key_id) (hicn_type_t type, hicn_protocol_t * h,
+ uint8_t *key_id);
+
+ /**
+ * @brief Gets the key id
+ * @param [in] type - hICN packet type
+ * @param [in,out] h - Buffer holding the Interest or Data packet
+ * @param [out] key_id - Retrieved key id first byte address
+ * @return hICN error code
+ */
+ int (*get_key_id) (hicn_type_t type, hicn_protocol_t * h,
+ uint8_t **key_id, uint8_t *key_id_size);
+
+} hicn_ops_t;
+
+#define DECLARE_HICN_OPS(protocol) \
+ const hicn_ops_t hicn_ops_ ## protocol = { \
+ .init_packet_header = protocol ## _init_packet_header, \
+ .get_interest_locator = protocol ## _get_interest_locator, \
+ .set_interest_locator = protocol ## _set_interest_locator, \
+ .get_interest_name = protocol ## _get_interest_name, \
+ .set_interest_name = protocol ## _set_interest_name, \
+ .get_interest_name_suffix = protocol ## _get_interest_name_suffix, \
+ .set_interest_name_suffix = protocol ## _set_interest_name_suffix, \
+ .reset_interest_for_hash = protocol ## _reset_interest_for_hash, \
+ .get_data_locator = protocol ## _get_data_locator, \
+ .set_data_locator = protocol ## _set_data_locator, \
+ .get_data_name = protocol ## _get_data_name, \
+ .set_data_name = protocol ## _set_data_name, \
+ .get_data_name_suffix = protocol ## _get_data_name_suffix, \
+ .set_data_name_suffix = protocol ## _set_data_name_suffix, \
+ .get_data_pathlabel = protocol ## _get_data_pathlabel, \
+ .set_data_pathlabel = protocol ## _set_data_pathlabel, \
+ .update_data_pathlabel = protocol ## _update_data_pathlabel, \
+ .reset_data_for_hash = protocol ## _reset_data_for_hash, \
+ .get_lifetime = protocol ## _get_lifetime, \
+ .set_lifetime = protocol ## _set_lifetime, \
+ .update_checksums = protocol ## _update_checksums, \
+ .verify_checksums = protocol ## _verify_checksums, \
+ .rewrite_interest = protocol ## _rewrite_interest, \
+ .rewrite_data = protocol ## _rewrite_data, \
+ .get_length = protocol ## _get_length, \
+ .get_current_header_length= protocol ## _get_current_header_length, \
+ .get_header_length = protocol ## _get_header_length, \
+ .get_payload_length = protocol ## _get_payload_length, \
+ .set_payload_length = protocol ## _set_payload_length, \
+ .get_signature_size = protocol ## _get_signature_size, \
+ .set_signature_size = protocol ## _set_signature_size, \
+ .set_signature_timestamp = protocol ## _set_signature_timestamp, \
+ .get_signature_timestamp = protocol ## _get_signature_timestamp, \
+ .set_validation_algorithm = protocol ## _set_validation_algorithm, \
+ .get_validation_algorithm = protocol ## _get_validation_algorithm, \
+ .set_key_id = protocol ## _set_key_id, \
+ .get_key_id = protocol ## _get_key_id, \
+ }
+
+/**
+ * @brief Protocol-independent packet operations VFT
+ * NOTE: The following declarations should be kept in order
+ */
+extern const hicn_ops_t *const hicn_ops_vft[];
+
+/*
+ * Helpers for writing recursive protocol operations on packet headers
+ *
+ * NOTE : we cannot use a shift operation as IPPROTO_NONE != 0 (and 0 is IPv4...)
+ */
+always_inline hicn_type_t
+TYPE_POP (hicn_type_t type)
+{
+ return (hicn_type_t)
+ {
+ {
+ .l1 = type.l2,.l2 = type.l3,.l3 = type.l4,.l4 = IPPROTO_NONE,}
+ };
+}
+
+always_inline hicn_protocol_t *
+PAYLOAD (hicn_type_t type, const hicn_protocol_t * h)
+{
+ size_t header_length;
+ int rc = hicn_ops_vft[type.l1]->get_current_header_length (type, h,
+ &header_length);
+ if (rc < 0)
+ return NULL;
+ return (hicn_protocol_t *) ((u8 *) h + header_length);
+}
+
+#define CHILD_OPS(f, type, h, ...) (hicn_ops_vft[type.l2]->f(TYPE_POP(type), PAYLOAD(type, h), ## __VA_ARGS__))
+
+/** Shortcuts to entry points in VFT */
+#define HICN_OPS4 hicn_ops_vft[IPPROTO_IP]
+#define HICN_OPS6 hicn_ops_vft[IPPROTO_IPV6]
+
+/* Helpers for simple declarations */
+
+#define DECLARE_init_packet_header(protocol, error) \
+ int protocol ## _init_packet_header(hicn_type_t type, hicn_protocol_t * h) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_interest_locator(protocol, error) \
+ int protocol ## _get_interest_locator(hicn_type_t type, const hicn_protocol_t * h, ip46_address_t * ip_address) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_set_interest_locator(protocol, error) \
+ int protocol ## _set_interest_locator(hicn_type_t type, hicn_protocol_t * h, const ip46_address_t * ip_address) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_interest_name(protocol, error) \
+ int protocol ## _get_interest_name(hicn_type_t type, const hicn_protocol_t * h, hicn_name_t * name) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_set_interest_name(protocol, error) \
+ int protocol ## _set_interest_name(hicn_type_t type, hicn_protocol_t * h, const hicn_name_t * name) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_interest_name_suffix(protocol, error) \
+ int protocol ## _get_interest_name_suffix(hicn_type_t type, const hicn_protocol_t * h, hicn_name_suffix_t * suffix) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_set_interest_name_suffix(protocol, error) \
+ int protocol ## _set_interest_name_suffix(hicn_type_t type, hicn_protocol_t * h, const hicn_name_suffix_t * suffix) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_reset_interest_for_hash(protocol, error) \
+ int protocol ## _reset_interest_for_hash(hicn_type_t type, hicn_protocol_t * h) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_data_locator(protocol, error) \
+ int protocol ## _get_data_locator(hicn_type_t type, const hicn_protocol_t * h, ip46_address_t * ip_address) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_set_data_locator(protocol, error) \
+ int protocol ## _set_data_locator(hicn_type_t type, hicn_protocol_t * h, const ip46_address_t * ip_address) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_data_name(protocol, error) \
+ int protocol ## _get_data_name(hicn_type_t type, const hicn_protocol_t * h, hicn_name_t * name) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_set_data_name(protocol, error) \
+ int protocol ## _set_data_name(hicn_type_t type, hicn_protocol_t * h, const hicn_name_t * name) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_data_name_suffix(protocol, error) \
+ int protocol ## _get_data_name_suffix(hicn_type_t type, const hicn_protocol_t * h, hicn_name_suffix_t * suffix) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_set_data_name_suffix(protocol, error) \
+ int protocol ## _set_data_name_suffix(hicn_type_t type, hicn_protocol_t * h, const hicn_name_suffix_t * suffix) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_data_pathlabel(protocol, error) \
+ int protocol ## _get_data_pathlabel(hicn_type_t type, const hicn_protocol_t * h, u32 * pathlabel) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_set_data_pathlabel(protocol, error) \
+ int protocol ## _set_data_pathlabel(hicn_type_t type, hicn_protocol_t * h, const u32 pathlabel) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_update_data_pathlabel(protocol, error) \
+ int protocol ## _update_data_pathlabel(hicn_type_t type, hicn_protocol_t * h, const hicn_faceid_t face_id) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_reset_data_for_hash(protocol, error) \
+ int protocol ## _reset_data_for_hash(hicn_type_t type, hicn_protocol_t * h) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_lifetime(protocol, error) \
+ int protocol ## _get_lifetime(hicn_type_t type, const hicn_protocol_t * h, hicn_lifetime_t * lifetime) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_set_lifetime(protocol, error) \
+ int protocol ## _set_lifetime(hicn_type_t type, hicn_protocol_t * h, const hicn_lifetime_t lifetime) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_update_checksums(protocol, error) \
+ int protocol ## _update_checksums(hicn_type_t type, hicn_protocol_t * h, u16 partial_csum, size_t payload_length) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_verify_checksums(protocol, error) \
+ int protocol ## _verify_checksums(hicn_type_t type, hicn_protocol_t * h, u16 partial_csum, size_t payload_length) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_rewrite_interest(protocol, error) \
+ int protocol ## _rewrite_interest(hicn_type_t type, hicn_protocol_t * h, const ip46_address_t * addr_new, ip46_address_t * addr_old) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_rewrite_data(protocol, error) \
+ int protocol ## _rewrite_data(hicn_type_t type, hicn_protocol_t * h, const ip46_address_t * addr_new, ip46_address_t * addr_old, const hicn_faceid_t face_id) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_length(protocol, error) \
+ int protocol ## _get_length(hicn_type_t type, const hicn_protocol_t * h, size_t * length) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_current_header_length(protocol, error) \
+ int protocol ## _get_current_header_length(hicn_type_t type, const hicn_protocol_t * h, size_t * header_length) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_header_length(protocol, error) \
+ int protocol ## _get_header_length(hicn_type_t type, const hicn_protocol_t * h, size_t * header_length) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_payload_length(protocol, error) \
+ int protocol ## _get_payload_length(hicn_type_t type, const hicn_protocol_t * h, size_t * payload_length) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_set_payload_length(protocol, error) \
+ int protocol ## _set_payload_length(hicn_type_t type, hicn_protocol_t * h, size_t payload_length) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_signature_size(protocol, error) \
+ int protocol ## _get_signature_size(hicn_type_t type, const hicn_protocol_t * h, size_t * signature_size) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_set_signature_size(protocol, error) \
+ int protocol ## _set_signature_size(hicn_type_t type, hicn_protocol_t * h, size_t signature_size) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_set_signature_timestamp(protocol, error) \
+ int protocol ## _set_signature_timestamp(hicn_type_t type, hicn_protocol_t * h, uint64_t signature_timestamp) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_signature_timestamp(protocol, error) \
+ int protocol ## _get_signature_timestamp(hicn_type_t type, const hicn_protocol_t * h, uint64_t * signature_timestamp) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_set_validation_algorithm(protocol, error) \
+ int protocol ## _set_validation_algorithm(hicn_type_t type, hicn_protocol_t * h, uint8_t validation_algorithm) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_validation_algorithm(protocol, error) \
+ int protocol ## _get_validation_algorithm(hicn_type_t type, const hicn_protocol_t * h, uint8_t * validation_algorithm) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_set_key_id(protocol, error) \
+ int protocol ## _set_key_id(hicn_type_t type, hicn_protocol_t * h, uint8_t * key_id) { return HICN_LIB_ERROR_ ## error ; }
+
+#define DECLARE_get_key_id(protocol, error) \
+ int protocol ## _get_key_id(hicn_type_t type, hicn_protocol_t * h, uint8_t ** key_id, uint8_t *key_id_size) { return HICN_LIB_ERROR_ ## error ; }
+
+#endif /* HICN_OPS_H */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */