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, see <http://www.gnu.org/licenses/>. 24 * 25 */ 26 27 #include <linux/module.h> 28 #include <linux/kernel.h> 29 #include <linux/types.h> 30 #include <linux/errno.h> 31 32 #include <net/nfc/nci.h> 33 #include <net/nfc/nci_core.h> 34 35 /* NCI status codes to Unix errno mapping */ 36 int nci_to_errno(__u8 code) 37 { 38 switch (code) { 39 case NCI_STATUS_OK: 40 return 0; 41 42 case NCI_STATUS_REJECTED: 43 return -EBUSY; 44 45 case NCI_STATUS_RF_FRAME_CORRUPTED: 46 return -EBADMSG; 47 48 case NCI_STATUS_NOT_INITIALIZED: 49 return -EHOSTDOWN; 50 51 case NCI_STATUS_SYNTAX_ERROR: 52 case NCI_STATUS_SEMANTIC_ERROR: 53 case NCI_STATUS_INVALID_PARAM: 54 case NCI_STATUS_RF_PROTOCOL_ERROR: 55 case NCI_STATUS_NFCEE_PROTOCOL_ERROR: 56 return -EPROTO; 57 58 case NCI_STATUS_UNKNOWN_GID: 59 case NCI_STATUS_UNKNOWN_OID: 60 return -EBADRQC; 61 62 case NCI_STATUS_MESSAGE_SIZE_EXCEEDED: 63 return -EMSGSIZE; 64 65 case NCI_STATUS_DISCOVERY_ALREADY_STARTED: 66 return -EALREADY; 67 68 case NCI_STATUS_DISCOVERY_TARGET_ACTIVATION_FAILED: 69 case NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED: 70 return -ECONNREFUSED; 71 72 case NCI_STATUS_RF_TRANSMISSION_ERROR: 73 case NCI_STATUS_NFCEE_TRANSMISSION_ERROR: 74 return -ECOMM; 75 76 case NCI_STATUS_RF_TIMEOUT_ERROR: 77 case NCI_STATUS_NFCEE_TIMEOUT_ERROR: 78 return -ETIMEDOUT; 79 80 case NCI_STATUS_FAILED: 81 default: 82 return -ENOSYS; 83 } 84 } 85 EXPORT_SYMBOL(nci_to_errno); 86