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/** Processes the received UDP packet queue.
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/** Processes the received UDP packet queue.
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 *  Is used as an entry point from the underlying IP module.
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 *  Is used as an entry point from the underlying IP module.
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 *  Locks the global lock and calls udp_process_packet() function.
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 *  Locks the global lock and calls udp_process_packet() function.
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 *  @param device_id The device identifier. Ignored parameter.
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 *  @param device_id The device identifier. Ignored parameter.
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 *  @param packet The received packet queue. Input/output parameter.
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 *  @param[in,out] packet The received packet queue.
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 *  @param receiver The target service. Ignored parameter.
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 *  @param receiver The target service. Ignored parameter.
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 *  @param error The packet error reporting service. Prefixes the received packet. Input parameter.
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 *  @param[in] error The packet error reporting service. Prefixes the received packet.
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 *  @returns EOK on success.
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 *  @returns EOK on success.
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 *  @returns Other error codes as defined for the udp_process_packet() function.
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 *  @returns Other error codes as defined for the udp_process_packet() function.
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 */
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 */
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int udp_received_msg( device_id_t device_id, packet_t packet, services_t receiver, services_t error );
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int udp_received_msg( device_id_t device_id, packet_t packet, services_t receiver, services_t error );
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/** Processes the received UDP packet queue.
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/** Processes the received UDP packet queue.
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 *  Notifies the destination socket application.
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 *  Notifies the destination socket application.
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 *  Releases the packet on error or sends an ICMP error notification..
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 *  Releases the packet on error or sends an ICMP error notification..
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 *  @param packet The received packet queue. Input/output parameter.
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 *  @param[in,out] packet The received packet queue.
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 *  @param error The packet error reporting service. Prefixes the received packet. Input parameter.
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 *  @param[in] error The packet error reporting service. Prefixes the received packet.
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 *  @returns EOK on success.
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 *  @returns EOK on success.
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 *  @returns EINVAL if the packet is not valid.
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 *  @returns EINVAL if the packet is not valid.
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 *  @returns EINVAL if the stored packet address is not the an_addr_t.
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 *  @returns EINVAL if the stored packet address is not the an_addr_t.
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 *  @returns EINVAL if the packet does not contain any data.
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 *  @returns EINVAL if the packet does not contain any data.
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 *  @returns NO_DATA if the packet content is shorter than the user datagram header.
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 *  @returns NO_DATA if the packet content is shorter than the user datagram header.
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 *  @returns Other error codes as defined for the ip_client_process_packet() function.
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 *  @returns Other error codes as defined for the ip_client_process_packet() function.
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 */
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 */
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int udp_process_packet( packet_t packet, services_t error );
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int udp_process_packet( packet_t packet, services_t error );
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/** Releases the packet and returns the result.
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/** Releases the packet and returns the result.
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 *  @param packet The packet queue to be released. Input parameter.
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 *  @param[in] packet The packet queue to be released.
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 *  @param result The result to be returned. Input parameter.
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 *  @param[in] result The result to be returned.
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 *  @return The result parameter.
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 *  @return The result parameter.
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 */
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 */
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int udp_release_and_return( packet_t packet, int result );
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int udp_release_and_return( packet_t packet, int result );
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/** @name Socket messages processing functions
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/** @name Socket messages processing functions
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 */
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 */
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/*@{*/
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/*@{*/
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/** Processes the socket client messages.
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/** Processes the socket client messages.
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 *  Runs until the client module disconnects.
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 *  Runs until the client module disconnects.
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 *  @param callid The message identifier. Input parameter.
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 *  @param[in] callid The message identifier.
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 *  @param call The message parameters. Input parameter.
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 *  @param[in] call The message parameters.
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 *  @returns EOK on success.
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 *  @returns EOK on success.
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 *  @see socket.h
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 *  @see socket.h
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 */
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 */
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int udp_process_client_messages( ipc_callid_t callid, ipc_call_t call );
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int udp_process_client_messages( ipc_callid_t callid, ipc_call_t call );
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/** Sends data from the socket to the remote address.
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/** Sends data from the socket to the remote address.
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 *  Binds the socket to a free port if not already connected/bound.
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 *  Binds the socket to a free port if not already connected/bound.
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 *  Handles the NET_SOCKET_SENDTO message.
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 *  Handles the NET_SOCKET_SENDTO message.
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 *  Supports AF_INET and AF_INET6 address families.
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 *  Supports AF_INET and AF_INET6 address families.
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 *  @param local_sockets The application local sockets. Input/output parameter.
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 *  @param[in,out] local_sockets The application local sockets.
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 *  @param socket_id Socket identifier. Input parameter.
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 *  @param[in] socket_id Socket identifier.
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 *  @param addr The destination address. Input parameter.
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 *  @param[in] addr The destination address.
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 *  @param addrlen The address length. Input parameter.
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 *  @param[in] addrlen The address length.
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 *  @param fragments The number of data fragments. Input parameter.
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 *  @param[in] fragments The number of data fragments.
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 *  @param data_fragment_size The data fragment size in bytes. Input parameter.
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 *  @param[in] data_fragment_size The data fragment size in bytes.
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 *  @param flags Various send flags. Input parameter.
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 *  @param[in] flags Various send flags.
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 *  @returns EOK on success.
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 *  @returns EOK on success.
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 *  @returns EAFNOTSUPPORT if the address family is not supported.
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 *  @returns EAFNOTSUPPORT if the address family is not supported.
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 *  @returns ENOTSOCK if the socket is not found.
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 *  @returns ENOTSOCK if the socket is not found.
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 *  @returns EINVAL if the address is invalid.
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 *  @returns EINVAL if the address is invalid.
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 *  @returns ENOTCONN if the sending socket is not and cannot be bound.
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 *  @returns ENOTCONN if the sending socket is not and cannot be bound.
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int udp_sendto_message( socket_cores_ref local_sockets, int socket_id, const struct sockaddr * addr, socklen_t addrlen, int fragments, size_t data_fragment_size, int flags );
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int udp_sendto_message( socket_cores_ref local_sockets, int socket_id, const struct sockaddr * addr, socklen_t addrlen, int fragments, size_t data_fragment_size, int flags );
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/** Receives data to the socket.
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/** Receives data to the socket.
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 *  Handles the NET_SOCKET_RECVFROM message.
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 *  Handles the NET_SOCKET_RECVFROM message.
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 *  Replies the source address as well.
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 *  Replies the source address as well.
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 *  @param local_sockets The application local sockets. Input parameter.
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 *  @param[in] local_sockets The application local sockets.
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 *  @param socket_id Socket identifier. Input parameter.
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 *  @param[in] socket_id Socket identifier.
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 *  @param flags Various receive flags. Input parameter.
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 *  @param[in] flags Various receive flags.
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 *  @param addrlen The source address length. Output parameter.
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 *  @param[out] addrlen The source address length.
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 *  @returns The number of bytes received.
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 *  @returns The number of bytes received.
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 *  @returns ENOTSOCK if the socket is not found.
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 *  @returns ENOTSOCK if the socket is not found.
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 *  @returns NO_DATA if there are no received packets or data.
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 *  @returns NO_DATA if there are no received packets or data.
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 *  @returns ENOMEM if there is not enough memory left.
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 *  @returns ENOMEM if there is not enough memory left.
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 *  @returns EINVAL if the received address is not an IP address.
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 *  @returns EINVAL if the received address is not an IP address.