1 /* 2 * The NFC Controller Interface is the communication protocol between an 3 * NFC Controller (NFCC) and a Device Host (DH). 4 * 5 * Copyright (C) 2011 Texas Instruments, Inc. 6 * 7 * Written by Ilan Elias <ilane@ti.com> 8 * 9 * Acknowledgements: 10 * This file is based on lib.c, which was written 11 * by Maxim Krasnyansky. 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU General Public License version 2 15 * as published by the Free Software Foundation 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public License for more details. 21 * 22 * You should have received a copy of the GNU General Public License 23 * along with this program; if not, write to the Free Software 24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 25 * 26 */ 27 28 #include <linux/module.h> 29 #include <linux/kernel.h> 30 #include <linux/types.h> 31 #include <linux/errno.h> 32 33 #include <net/nfc/nci.h> 34 #include <net/nfc/nci_core.h> 35 36 /* NCI status codes to Unix errno mapping */ 37 int nci_to_errno(__u8 code) 38 { 39 switch (code) { 40 case NCI_STATUS_OK: 41 return 0; 42 43 case NCI_STATUS_REJECTED: 44 return -EBUSY; 45 46 case NCI_STATUS_RF_FRAME_CORRUPTED: 47 return -EBADMSG; 48 49 case NCI_STATUS_NOT_INITIALIZED: 50 return -EHOSTDOWN; 51 52 case NCI_STATUS_SYNTAX_ERROR: 53 case NCI_STATUS_SEMANTIC_ERROR: 54 case NCI_STATUS_INVALID_PARAM: 55 case NCI_STATUS_RF_PROTOCOL_ERROR: 56 case NCI_STATUS_NFCEE_PROTOCOL_ERROR: 57 return -EPROTO; 58 59 case NCI_STATUS_UNKNOWN_GID: 60 case NCI_STATUS_UNKNOWN_OID: 61 return -EBADRQC; 62 63 case NCI_STATUS_MESSAGE_SIZE_EXCEEDED: 64 return -EMSGSIZE; 65 66 case NCI_STATUS_DISCOVERY_ALREADY_STARTED: 67 return -EALREADY; 68 69 case NCI_STATUS_DISCOVERY_TARGET_ACTIVATION_FAILED: 70 case NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED: 71 return -ECONNREFUSED; 72 73 case NCI_STATUS_RF_TRANSMISSION_ERROR: 74 case NCI_STATUS_NFCEE_TRANSMISSION_ERROR: 75 return -ECOMM; 76 77 case NCI_STATUS_RF_TIMEOUT_ERROR: 78 case NCI_STATUS_NFCEE_TIMEOUT_ERROR: 79 return -ETIMEDOUT; 80 81 case NCI_STATUS_FAILED: 82 default: 83 return -ENOSYS; 84 } 85 } 86 EXPORT_SYMBOL(nci_to_errno); 87