// SPDX-License-Identifier: GPL-2.0-only
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/*
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* The NFC Controller Interface is the communication protocol between an
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* NFC Controller (NFCC) and a Device Host (DH).
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*
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* Copyright (C) 2011 Texas Instruments, Inc.
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*
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* Written by Ilan Elias <ilane@ti.com>
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*
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* Acknowledgements:
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* This file is based on lib.c, which was written
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* by Maxim Krasnyansky.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/errno.h>
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#include <net/nfc/nci.h>
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#include <net/nfc/nci_core.h>
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/* NCI status codes to Unix errno mapping */
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int nci_to_errno(__u8 code)
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{
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switch (code) {
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case NCI_STATUS_OK:
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return 0;
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case NCI_STATUS_REJECTED:
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return -EBUSY;
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case NCI_STATUS_RF_FRAME_CORRUPTED:
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return -EBADMSG;
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case NCI_STATUS_NOT_INITIALIZED:
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return -EHOSTDOWN;
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case NCI_STATUS_SYNTAX_ERROR:
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case NCI_STATUS_SEMANTIC_ERROR:
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case NCI_STATUS_INVALID_PARAM:
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case NCI_STATUS_RF_PROTOCOL_ERROR:
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case NCI_STATUS_NFCEE_PROTOCOL_ERROR:
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return -EPROTO;
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case NCI_STATUS_UNKNOWN_GID:
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case NCI_STATUS_UNKNOWN_OID:
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return -EBADRQC;
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case NCI_STATUS_MESSAGE_SIZE_EXCEEDED:
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return -EMSGSIZE;
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case NCI_STATUS_DISCOVERY_ALREADY_STARTED:
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return -EALREADY;
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case NCI_STATUS_DISCOVERY_TARGET_ACTIVATION_FAILED:
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case NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED:
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return -ECONNREFUSED;
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case NCI_STATUS_RF_TRANSMISSION_ERROR:
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case NCI_STATUS_NFCEE_TRANSMISSION_ERROR:
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return -ECOMM;
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case NCI_STATUS_RF_TIMEOUT_ERROR:
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case NCI_STATUS_NFCEE_TIMEOUT_ERROR:
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return -ETIMEDOUT;
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case NCI_STATUS_FAILED:
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default:
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return -ENOSYS;
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}
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}
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EXPORT_SYMBOL(nci_to_errno);
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