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/*
* Copyright (C) 2011 Instituto Nokia de Tecnologia
*
* Authors:
* Lauro Ramos Venancio <lauro.venancio@openbossa.org>
* Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef __LINUX_NFC_H
#define __LINUX_NFC_H
#include <linux/types.h>
#include <linux/socket.h>
#define NFC_GENL_NAME "nfc"
#define NFC_GENL_VERSION 1
#define NFC_GENL_MCAST_EVENT_NAME "events"
/**
* enum nfc_commands - supported nfc commands
*
* @NFC_CMD_UNSPEC: unspecified command
*
* @NFC_CMD_GET_DEVICE: request information about a device (requires
* %NFC_ATTR_DEVICE_INDEX) or dump request to get a list of all nfc devices
* @NFC_CMD_DEV_UP: turn on the nfc device
* (requires %NFC_ATTR_DEVICE_INDEX)
* @NFC_CMD_DEV_DOWN: turn off the nfc device
* (requires %NFC_ATTR_DEVICE_INDEX)
* @NFC_CMD_START_POLL: start polling for targets using the given protocols
* (requires %NFC_ATTR_DEVICE_INDEX and %NFC_ATTR_PROTOCOLS)
* @NFC_CMD_STOP_POLL: stop polling for targets (requires
* %NFC_ATTR_DEVICE_INDEX)
* @NFC_CMD_GET_TARGET: dump all targets found by the previous poll (requires
* %NFC_ATTR_DEVICE_INDEX)
* @NFC_EVENT_TARGETS_FOUND: event emitted when a new target is found
* (it sends %NFC_ATTR_DEVICE_INDEX)
* @NFC_EVENT_DEVICE_ADDED: event emitted when a new device is registred
* (it sends %NFC_ATTR_DEVICE_NAME, %NFC_ATTR_DEVICE_INDEX and
* %NFC_ATTR_PROTOCOLS)
* @NFC_EVENT_DEVICE_REMOVED: event emitted when a device is removed
* (it sends %NFC_ATTR_DEVICE_INDEX)
* @NFC_EVENT_TM_ACTIVATED: event emitted when the adapter is activated in
* target mode.
* @NFC_EVENT_DEVICE_DEACTIVATED: event emitted when the adapter is deactivated
* from target mode.
* @NFC_CMD_LLC_GET_PARAMS: request LTO, RW, and MIUX parameters for a device
* @NFC_CMD_LLC_SET_PARAMS: set one or more of LTO, RW, and MIUX parameters for
* a device. LTO must be set before the link is up otherwise -EINPROGRESS
* is returned. RW and MIUX can be set at anytime and will be passed in
* subsequent CONNECT and CC messages.
* If one of the passed parameters is wrong none is set and -EINVAL is
* returned.
* @NFC_CMD_ENABLE_SE: Enable the physical link to a specific secure element.
* Once enabled a secure element will handle card emulation mode, i.e.
* starting a poll from a device which has a secure element enabled means
* we want to do SE based card emulation.
* @NFC_CMD_DISABLE_SE: Disable the physical link to a specific secure element.
*/
enum nfc_commands {
NFC_CMD_UNSPEC,
NFC_CMD_GET_DEVICE,
NFC_CMD_DEV_UP,
NFC_CMD_DEV_DOWN,
NFC_CMD_DEP_LINK_UP,
NFC_CMD_DEP_LINK_DOWN,
NFC_CMD_START_POLL,
NFC_CMD_STOP_POLL,
NFC_CMD_GET_TARGET,
NFC_EVENT_TARGETS_FOUND,
NFC_EVENT_DEVICE_ADDED,
NFC_EVENT_DEVICE_REMOVED,
NFC_EVENT_TARGET_LOST,
NFC_EVENT_TM_ACTIVATED,
NFC_EVENT_TM_DEACTIVATED,
NFC_CMD_LLC_GET_PARAMS,
NFC_CMD_LLC_SET_PARAMS,
NFC_CMD_ENABLE_SE,
NFC_CMD_DISABLE_SE,
NFC_CMD_LLC_SDREQ,
NFC_EVENT_LLC_SDRES,
/* private: internal use only */
__NFC_CMD_AFTER_LAST
};
#define NFC_CMD_MAX (__NFC_CMD_AFTER_LAST - 1)
/**
* enum nfc_attrs - supported nfc attributes
*
* @NFC_ATTR_UNSPEC: unspecified attribute
*
* @NFC_ATTR_DEVICE_INDEX: index of nfc device
* @NFC_ATTR_DEVICE_NAME: device name, max 8 chars
* @NFC_ATTR_PROTOCOLS: nfc protocols - bitwise or-ed combination from
* NFC_PROTO_*_MASK constants
* @NFC_ATTR_TARGET_INDEX: index of the nfc target
* @NFC_ATTR_TARGET_SENS_RES: NFC-A targets extra information such as NFCID
* @NFC_ATTR_TARGET_SEL_RES: NFC-A targets extra information (useful if the
* target is not NFC-Forum compliant)
* @NFC_ATTR_TARGET_NFCID1: NFC-A targets identifier, max 10 bytes
* @NFC_ATTR_TARGET_SENSB_RES: NFC-B targets extra information, max 12 bytes
* @NFC_ATTR_TARGET_SENSF_RES: NFC-F targets extra information, max 18 bytes
* @NFC_ATTR_COMM_MODE: Passive or active mode
* @NFC_ATTR_RF_MODE: Initiator or target
* @NFC_ATTR_IM_PROTOCOLS: Initiator mode protocols to poll for
* @NFC_ATTR_TM_PROTOCOLS: Target mode protocols to listen for
* @NFC_ATTR_LLC_PARAM_LTO: Link TimeOut parameter
* @NFC_ATTR_LLC_PARAM_RW: Receive Window size parameter
* @NFC_ATTR_LLC_PARAM_MIUX: MIU eXtension parameter
* @NFC_ATTR_SE: Available Secure Elements
*/
enum nfc_attrs {
NFC_ATTR_UNSPEC,
NFC_ATTR_DEVICE_INDEX,
NFC_ATTR_DEVICE_NAME,
NFC_ATTR_PROTOCOLS,
NFC_ATTR_TARGET_INDEX,
NFC_ATTR_TARGET_SENS_RES,
NFC_ATTR_TARGET_SEL_RES,
NFC_ATTR_TARGET_NFCID1,
NFC_ATTR_TARGET_SENSB_RES,
NFC_ATTR_TARGET_SENSF_RES,
NFC_ATTR_COMM_MODE,
NFC_ATTR_RF_MODE,
NFC_ATTR_DEVICE_POWERED,
NFC_ATTR_IM_PROTOCOLS,
NFC_ATTR_TM_PROTOCOLS,
NFC_ATTR_LLC_PARAM_LTO,
NFC_ATTR_LLC_PARAM_RW,
NFC_ATTR_LLC_PARAM_MIUX,
NFC_ATTR_SE,
NFC_ATTR_LLC_SDP,
/* private: internal use only */
__NFC_ATTR_AFTER_LAST
};
#define NFC_ATTR_MAX (__NFC_ATTR_AFTER_LAST - 1)
enum nfc_sdp_attr {
NFC_SDP_ATTR_UNSPEC,
NFC_SDP_ATTR_URI,
NFC_SDP_ATTR_SAP,
/* private: internal use only */
__NFC_SDP_ATTR_AFTER_LAST
};
#define NFC_SDP_ATTR_MAX (__NFC_SDP_ATTR_AFTER_LAST - 1)
#define NFC_DEVICE_NAME_MAXSIZE 8
#define NFC_NFCID1_MAXSIZE 10
#define NFC_SENSB_RES_MAXSIZE 12
#define NFC_SENSF_RES_MAXSIZE 18
#define NFC_GB_MAXSIZE 48
/* NFC protocols */
#define NFC_PROTO_JEWEL 1
#define NFC_PROTO_MIFARE 2
#define NFC_PROTO_FELICA 3
#define NFC_PROTO_ISO14443 4
#define NFC_PROTO_NFC_DEP 5
#define NFC_PROTO_ISO14443_B 6
#define NFC_PROTO_MAX 7
/* NFC communication modes */
#define NFC_COMM_ACTIVE 0
#define NFC_COMM_PASSIVE 1
/* NFC RF modes */
#define NFC_RF_INITIATOR 0
#define NFC_RF_TARGET 1
#define NFC_RF_NONE 2
/* NFC protocols masks used in bitsets */
#define NFC_PROTO_JEWEL_MASK (1 << NFC_PROTO_JEWEL)
#define NFC_PROTO_MIFARE_MASK (1 << NFC_PROTO_MIFARE)
#define NFC_PROTO_FELICA_MASK (1 << NFC_PROTO_FELICA)
#define NFC_PROTO_ISO14443_MASK (1 << NFC_PROTO_ISO14443)
#define NFC_PROTO_NFC_DEP_MASK (1 << NFC_PROTO_NFC_DEP)
#define NFC_PROTO_ISO14443_B_MASK (1 << NFC_PROTO_ISO14443_B)
/* NFC Secure Elements */
#define NFC_SE_NONE 0x0
#define NFC_SE_UICC 0x1
#define NFC_SE_EMBEDDED 0x2
struct sockaddr_nfc {
sa_family_t sa_family;
__u32 dev_idx;
__u32 target_idx;
__u32 nfc_protocol;
};
#define NFC_LLCP_MAX_SERVICE_NAME 63
struct sockaddr_nfc_llcp {
sa_family_t sa_family;
__u32 dev_idx;
__u32 target_idx;
__u32 nfc_protocol;
__u8 dsap; /* Destination SAP, if known */
__u8 ssap; /* Source SAP to be bound to */
char service_name[NFC_LLCP_MAX_SERVICE_NAME]; /* Service name URI */;
size_t service_name_len;
};
/* NFC socket protocols */
#define NFC_SOCKPROTO_RAW 0
#define NFC_SOCKPROTO_LLCP 1
#define NFC_SOCKPROTO_MAX 2
#define NFC_HEADER_SIZE 1
/**
* Pseudo-header info for raw socket packets
* First byte is the adapter index
* Second byte contains flags
* - 0x01 - Direction (0=RX, 1=TX)
* - 0x02-0x80 - Reserved
**/
#define NFC_LLCP_RAW_HEADER_SIZE 2
#define NFC_LLCP_DIRECTION_RX 0x00
#define NFC_LLCP_DIRECTION_TX 0x01
/* socket option names */
#define NFC_LLCP_RW 0
#define NFC_LLCP_MIUX 1
#define NFC_LLCP_REMOTE_MIU 2
#define NFC_LLCP_REMOTE_LTO 3
#define NFC_LLCP_REMOTE_RW 4
#endif /*__LINUX_NFC_H */