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https://github.com/edk2-porting/linux-next.git
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73167ced31
This routine will be called by drivers whenever they receive data in target mode. This should be unexpected events and as such should be handled by a standalone API (i.e. not as a callback pointer from an existing API). Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
187 lines
4.8 KiB
C
187 lines
4.8 KiB
C
/*
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* Copyright (C) 2011 Instituto Nokia de Tecnologia
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*
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* Authors:
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* Lauro Ramos Venancio <lauro.venancio@openbossa.org>
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* Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __LOCAL_NFC_H
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#define __LOCAL_NFC_H
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#include <net/nfc/nfc.h>
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#include <net/sock.h>
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struct nfc_protocol {
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int id;
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struct proto *proto;
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struct module *owner;
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int (*create)(struct net *net, struct socket *sock,
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const struct nfc_protocol *nfc_proto);
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};
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struct nfc_rawsock {
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struct sock sk;
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struct nfc_dev *dev;
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u32 target_idx;
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struct work_struct tx_work;
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bool tx_work_scheduled;
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};
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#define nfc_rawsock(sk) ((struct nfc_rawsock *) sk)
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#define to_rawsock_sk(_tx_work) \
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((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work))
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#ifdef CONFIG_NFC_LLCP
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void nfc_llcp_mac_is_down(struct nfc_dev *dev);
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void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
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u8 comm_mode, u8 rf_mode);
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int nfc_llcp_register_device(struct nfc_dev *dev);
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void nfc_llcp_unregister_device(struct nfc_dev *dev);
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int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len);
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u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len);
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int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb);
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int __init nfc_llcp_init(void);
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void nfc_llcp_exit(void);
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#else
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static inline void nfc_llcp_mac_is_down(struct nfc_dev *dev)
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{
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}
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static inline void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
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u8 comm_mode, u8 rf_mode)
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{
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}
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static inline int nfc_llcp_register_device(struct nfc_dev *dev)
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{
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return 0;
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}
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static inline void nfc_llcp_unregister_device(struct nfc_dev *dev)
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{
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}
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static inline int nfc_llcp_set_remote_gb(struct nfc_dev *dev,
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u8 *gb, u8 gb_len)
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{
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return 0;
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}
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static inline u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *gb_len)
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{
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*gb_len = 0;
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return NULL;
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}
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static inline int nfc_llcp_data_received(struct nfc_dev *dev,
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struct sk_buff *skb)
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{
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return 0;
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}
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static inline int nfc_llcp_init(void)
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{
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return 0;
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}
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static inline void nfc_llcp_exit(void)
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{
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}
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#endif
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int __init rawsock_init(void);
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void rawsock_exit(void);
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int __init af_nfc_init(void);
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void af_nfc_exit(void);
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int nfc_proto_register(const struct nfc_protocol *nfc_proto);
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void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
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extern int nfc_devlist_generation;
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extern struct mutex nfc_devlist_mutex;
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int __init nfc_genl_init(void);
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void nfc_genl_exit(void);
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void nfc_genl_data_init(struct nfc_genl_data *genl_data);
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void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
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int nfc_genl_targets_found(struct nfc_dev *dev);
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int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx);
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int nfc_genl_device_added(struct nfc_dev *dev);
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int nfc_genl_device_removed(struct nfc_dev *dev);
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int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
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u8 comm_mode, u8 rf_mode);
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int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
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int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol);
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int nfc_genl_tm_deactivated(struct nfc_dev *dev);
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struct nfc_dev *nfc_get_device(unsigned int idx);
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static inline void nfc_put_device(struct nfc_dev *dev)
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{
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put_device(&dev->dev);
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}
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static inline void nfc_device_iter_init(struct class_dev_iter *iter)
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{
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class_dev_iter_init(iter, &nfc_class, NULL, NULL);
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}
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static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter)
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{
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struct device *d = class_dev_iter_next(iter);
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if (!d)
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return NULL;
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return to_nfc_dev(d);
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}
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static inline void nfc_device_iter_exit(struct class_dev_iter *iter)
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{
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class_dev_iter_exit(iter);
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}
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int nfc_dev_up(struct nfc_dev *dev);
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int nfc_dev_down(struct nfc_dev *dev);
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int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols);
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int nfc_stop_poll(struct nfc_dev *dev);
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int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode);
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int nfc_dep_link_down(struct nfc_dev *dev);
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int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
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int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx);
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int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,
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data_exchange_cb_t cb, void *cb_context);
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#endif /* __LOCAL_NFC_H */
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