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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/ipv6_stack/include/icmp6_api.h')
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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/ipv6_stack/include/icmp6_api.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/ipv6_stack/include/icmp6_api.h new file mode 100644 index 0000000..b13b4b6 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/ipv6_stack/include/icmp6_api.h @@ -0,0 +1,253 @@ +/** + * Copyright (c) 2014 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +/** @file icmp6_api.h + * + * @defgroup iot_icmp6 ICMP6 Application Interface for Nordic's IPv6 stack + * @ingroup iot_sdk_stack + * @{ + * @brief Nordic Internet Control Message Protocol Application Interface for Nordic's IPv6 stack. + * + * @details This module provides basic features related to ICMPv6 support. + */ + +#ifndef ICMP6_API_H__ +#define ICMP6_API_H__ + +#include "sdk_config.h" +#include "sdk_common.h" +#include "iot_defines.h" +#include "ipv6_api.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define ICMP6_ECHO_REQUEST_PAYLOAD_OFFSET 8 /**< Offset of echo request payload from ICMPv6 header. */ + + +/**@defgroup icmp6_code ICMPv6 codes per message type as defined in RFC 4443. + * @ingroup iot_icmp6 + * @{ + */ +#define ICMP6_DU_CODE_NO_ROUTE_TO_DESTINATION 0 /**< Code for Destination Unreachable Message when there is no route to destination. */ +#define ICMP6_DU_CODE_ADMINISTRATIVELY_PROHIBITED 1 /**< Code for Destination Unreachable Message when the communication to destination administratively prohibited. */ +#define ICMP6_DU_CODE_BEYOND_SCOPE_OF_SOURCE 2 /**< Code for Destination Unreachable Message when the destination is beyond the scope of source address. */ +#define ICMP6_DU_CODE_ADDRESS_UNREACHABLE 3 /**< Code for Destination Unreachable Message when the destination address is unreachable. */ +#define ICMP6_DU_CODE_PORT_UNREACHABLE 4 /**< Code for Destination Unreachable Message when the destination port is unreachable. */ +#define ICMP6_DU_CODE_FAILED_INGRESS_EGRESS_POLICY 5 /**< Code for Destination Unreachable Message when the source address failed on ingress/egress policy. */ +#define ICMP6_DU_CODE_REJECT_ROUTE_TO_DESTINATION 6 /**< Code for Destination Unreachable Message when the route to destination is rejected. */ + +#define ICMP6_TE_CODE_EXCEEDED_HOP_LIMIT_TRANSIT 0 /**< Code for Time Exceeded Message when the packet received had hop limit of zero. */ +#define ICMP6_TE_CODE_FAR_TIME_EXCEEDED 1 /**< Code for Time Exceeded Message to report fragmentation and reassembly timeout. */ + +#define ICMP6_PP_CODE_INVALID_HEADER 0 /**< Code for Parameter Problem Message when the header of the incoming packet was erroneous. */ +#define ICMP6_PP_CODE_UNKNOWN_NEXT_HEADER 1 /**< Code for Parameter Problem Message when the next header of the incoming packet was unrecognized. */ +#define ICMP6_PP_CODE_UNKNOWN_IPV6_OPTION 2 /**< Code for Parameter Problem Message when the option of the incoming packet was unrecognized. */ + +#define ICMP6_ERROR_MESSAGE_INVOKING_PKT_OFFSET 8 /**< Offset in the received ICMPv6 payload where the packet (partial or complete) that invoked the error message is found. */ +/* @} */ + +/** Neighbor solicitation parameters. */ +typedef struct +{ + ipv6_addr_t target_addr; /**< The IPv6 address of the target of the solicitation. MUST NOT be a multi-cast address. */ + bool add_aro; /**< Indicates if ARO option should be added. */ + uint16_t aro_lifetime; /**< The amount of time in units of 60 seconds that the router should retain the NCE for the sender of the NS. */ +} icmp6_ns_param_t; + +/**@brief Parameters associated with error message in receive and transmit paths. */ +typedef struct +{ + uint8_t type; /**< Identifies error message type, valid values as described in RFC 4443. See @ref icmp6_error_type for possible values. */ + uint8_t code; /**< Identifies code, if any associated with the error. See \ref icmp6_code and RFC 4443 for details. */ + union /**< Additional field like MTU, pointer or unused based on message type. See RFC 4443 for more details. If unused, application may ignore this field. */ + { + uint32_t mtu; /**< MTU of next hop limit, used only with ICMP6_TYPE_PACKET_TOO_LONG type. */ + uint32_t offset; /**< Offset pointing to the parameter that resulted in the ICMP6_TYPE_PARAMETER_PROBLEM error. Used only with ICMP6_TYPE_PARAMETER_PROBLEM. */ + uint32_t unused; /**< Any other error message. Is always zero. */ + } error_field; + uint8_t * p_packet; /**< Points to the start of IPv6 packet that has resulted in the error message. */ + uint16_t packet_len; /**< Length of the packet that resulted in error. The module may truncate the packet and pack only partially the packet based on configuration of ICMP6_ERROR_MESSAGE_MAX_SIZE. */ +} icmp6_error_message_param_t; + + +/**@brief ICMPv6 data RX callback. + * + * @details Asynchronous callback used to notify the application of ICMP packets received. + * By default, the application is not notified through ICMP of messages related to ECHO + * requests or any errors. However, these notifications can easily be enabled by defining + * either the ICMP6_ENABLE_ND6_MESSAGES_TO_APPLICATION or the +* ICMP6_ENABLE_ALL_MESSAGES_TO_APPLICATION if the application should handle them. + * + * @param[in] p_interface Pointer to the IPv6 interface from where the ICMP packet was received. + * @param[in] p_ip_header Pointer to the IP header of the ICMP packet received. + * @param[in] p_icmp_header Pointer to the ICMP header of the received packet. + * @param[in] process_result Notifies the application if the ICMP packet was processed successfully or if + * an error occurred, for example, if the packet was malformed. + * @param[in] p_rx_packet Packet buffer containing the packet received. p_rx_packet->p_payload + * contains the ICMP payload. + * + * @retval A provision for the application to notify the module of whether the received packet was + * processed successfully by application. The application may take ownership of the received + * packet by returning IOT_IPV6_ERR_PENDING, in which case the application must take care to + * free it using @ref iot_pbuffer_free. + */ +typedef uint32_t (*icmp6_receive_callback_t)(iot_interface_t * p_interface, + ipv6_header_t * p_ip_header, + icmp6_header_t * p_icmp_header, + uint32_t process_result, + iot_pbuffer_t * p_rx_packet); + + +/**@brief Sends ICMPv6 Error Message as defined in RFC 4443. + * + * @details API to send messages categorized under error messages. See @ref icmp6_error_type and + * RFC 4443 for valid types. + * + * @param[in] p_interface Identifies the interface on which the procedure was requested. + * Shall not be NULL. + * @param[in] p_src_addr Source IPv6 address to be used for the request. Shall not be NULL. + * @param[in] p_dest_addr Destination IPv6 address to which the message send is requested. + * Shall not be NULL. + * @param[in] p_param Parameters describing Type, code, invoking packet information any + * additional details associated with the error message. + * + * @retval NRF_SUCCESS If the send request was successful, else, an error code indicating reason for + * failure. + */ +uint32_t icmp6_error_message(const iot_interface_t * p_interface, + const ipv6_addr_t * p_src_addr, + const ipv6_addr_t * p_dest_addr, + const icmp6_error_message_param_t * p_param); + + +/**@brief Sends ICMPv6 echo request as defined in RFC4443. + * + * @details API used to send an ICMPv6 echo request packet to a specific destination address. + * The user can decide how much additional data must be sent. + * + * The application calling the function should allocate a packet before, with the type set to + * ICMP6_PACKET_TYPE in the allocation parameter. + * + * The application should pack the payload at ICMP6_ECHO_REQUEST_PAYLOAD_OFFSET. ID, + * Sequence number, ICMP Code, type checksum, etc. are filled in by the module. + * + * The application shall not free the allocated packet buffer if the procedure was successful, + * to ensure that no data copies are needed when transmitting a packet. + * + * @param[in] p_interface Pointer to the IPv6 interface to send the ICMP packet. + * @param[in] p_src_addr IPv6 source address from where the echo request is sent. + * @param[in] p_dest_addr IPv6 destination address to where the echo request is sent. + * @param[in] p_request Packet buffer containing the echo request. + * + * @retval NRF_SUCCESS If the send request was successful. + */ +uint32_t icmp6_echo_request(const iot_interface_t * p_interface, + const ipv6_addr_t * p_src_addr, + const ipv6_addr_t * p_dest_addr, + iot_pbuffer_t * p_request); + + +/**@brief Sends router solicitation message defined in RFC6775. + * + * @details API used to send a neighbor discovery message of type Router Solicitation to a specific + * destination address. If no address is known, the user should send the message to all + * routers' address (FF02::1). + * + * The function internally tries to allocate a packet buffer. EUI-64 used in the SLLAO option is + * taken from the interface parameter defined in the @ref ipv6_init() function. + * + * @param[in] p_interface Pointer to the IPv6 interface to send the ICMP packet. + * @param[in] p_src_addr IPv6 source address from where the router solicitation message is + * sent. + * @param[in] p_dest_addr IPv6 destination address to where the router solicitation message is + * sent. + * + * @retval NRF_SUCCESS If the send request was successful. + */ +uint32_t icmp6_rs_send(const iot_interface_t * p_interface, + const ipv6_addr_t * p_src_addr, + const ipv6_addr_t * p_dest_addr); + + +/**@brief Sends neighbour solicitation message defined in RFC6775. + * + * @details API used to send a neighbor discovery message of type Neighbor Solicitation to a + * specific destination address. + * + * The function internally tries to allocate a packet buffer. EUI-64 used in the SLLAO and ARO + * options is taken from the interface parameter defined in the @ref ipv6_init() function. + * + * @param[in] p_interface Pointer to the IPv6 interface to send the ICMP packet. + * @param[in] p_src_addr IPv6 source address from where the neighbor solicitation message is + * sent. + * @param[in] p_dest_addr IPv6 destination address to where the neighbor solicitation message + * is sent. + * @param[in] p_ns_param Neighbor discovery parameters. + * + * @retval NRF_SUCCESS If the send request was successful. + */ +uint32_t icmp6_ns_send(const iot_interface_t * p_interface, + const ipv6_addr_t * p_src_addr, + const ipv6_addr_t * p_dest_addr, + const icmp6_ns_param_t * p_ns_param); + + +/**@brief Registers the callback function for echo reply. + * + * @details API used to register callback to indicate the ICMP echo reply packet. Could be not used. + * + * Neighbor discovery related messages are not relayed to the application by default. + * However, this can be enabled by using the ICMP6_ENABLE_ND6_MESSAGES_TO_APPLICATION + * configuration parameter. + * + * @param[in] cb Handler called when an ICMP packet is received. + * + * @retval NRF_SUCCESS If the registration was successful. + */ +uint32_t icmp6_receive_register(icmp6_receive_callback_t cb); + +#ifdef __cplusplus +} +#endif + +#endif //ICMP6_API_H__ + +/**@} */ |