52feb444a9
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. Signed-off-by: Thierry Escande <thierry.escande@linux.intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
193 lines
5.0 KiB
C
193 lines
5.0 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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struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev);
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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 struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev)
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{
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return NULL;
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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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