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nfc.h
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/*
* Copyright (C) 2011 Instituto Nokia de Tecnologia
*
* Authors:
* Lauro Ramos Venancio <[email protected]>
* Aloisio Almeida Jr <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __LOCAL_NFC_H
#define __LOCAL_NFC_H
#include <net/nfc/nfc.h>
#include <net/sock.h>
struct nfc_protocol {
int id;
struct proto *proto;
struct module *owner;
int (*create)(struct net *net, struct socket *sock,
const struct nfc_protocol *nfc_proto);
};
struct nfc_rawsock {
struct sock sk;
struct nfc_dev *dev;
u32 target_idx;
struct work_struct tx_work;
bool tx_work_scheduled;
};
#define nfc_rawsock(sk) ((struct nfc_rawsock *) sk)
#define to_rawsock_sk(_tx_work) \
((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work))
#ifdef CONFIG_NFC_LLCP
void nfc_llcp_mac_is_down(struct nfc_dev *dev);
void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
u8 comm_mode, u8 rf_mode);
int nfc_llcp_register_device(struct nfc_dev *dev);
void nfc_llcp_unregister_device(struct nfc_dev *dev);
int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len);
u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len);
int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb);
struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev);
int __init nfc_llcp_init(void);
void nfc_llcp_exit(void);
#else
static inline void nfc_llcp_mac_is_down(struct nfc_dev *dev)
{
}
static inline void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
u8 comm_mode, u8 rf_mode)
{
}
static inline int nfc_llcp_register_device(struct nfc_dev *dev)
{
return 0;
}
static inline void nfc_llcp_unregister_device(struct nfc_dev *dev)
{
}
static inline int nfc_llcp_set_remote_gb(struct nfc_dev *dev,
u8 *gb, u8 gb_len)
{
return 0;
}
static inline u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *gb_len)
{
*gb_len = 0;
return NULL;
}
static inline int nfc_llcp_data_received(struct nfc_dev *dev,
struct sk_buff *skb)
{
return 0;
}
static inline struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev)
{
return NULL;
}
static inline int nfc_llcp_init(void)
{
return 0;
}
static inline void nfc_llcp_exit(void)
{
}
#endif
int __init rawsock_init(void);
void rawsock_exit(void);
int __init af_nfc_init(void);
void af_nfc_exit(void);
int nfc_proto_register(const struct nfc_protocol *nfc_proto);
void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
extern int nfc_devlist_generation;
extern struct mutex nfc_devlist_mutex;
int __init nfc_genl_init(void);
void nfc_genl_exit(void);
void nfc_genl_data_init(struct nfc_genl_data *genl_data);
void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
int nfc_genl_targets_found(struct nfc_dev *dev);
int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx);
int nfc_genl_device_added(struct nfc_dev *dev);
int nfc_genl_device_removed(struct nfc_dev *dev);
int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
u8 comm_mode, u8 rf_mode);
int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol);
int nfc_genl_tm_deactivated(struct nfc_dev *dev);
struct nfc_dev *nfc_get_device(unsigned int idx);
static inline void nfc_put_device(struct nfc_dev *dev)
{
put_device(&dev->dev);
}
static inline void nfc_device_iter_init(struct class_dev_iter *iter)
{
class_dev_iter_init(iter, &nfc_class, NULL, NULL);
}
static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter)
{
struct device *d = class_dev_iter_next(iter);
if (!d)
return NULL;
return to_nfc_dev(d);
}
static inline void nfc_device_iter_exit(struct class_dev_iter *iter)
{
class_dev_iter_exit(iter);
}
int nfc_dev_up(struct nfc_dev *dev);
int nfc_dev_down(struct nfc_dev *dev);
int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols);
int nfc_stop_poll(struct nfc_dev *dev);
int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode);
int nfc_dep_link_down(struct nfc_dev *dev);
int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx);
int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,
data_exchange_cb_t cb, void *cb_context);
#endif /* __LOCAL_NFC_H */