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TOMOYO Linux Cross Reference
Linux/net/nfc/nfc.h

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  1 /*
  2  * Copyright (C) 2011 Instituto Nokia de Tecnologia
  3  *
  4  * Authors:
  5  *    Lauro Ramos Venancio <lauro.venancio@openbossa.org>
  6  *    Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
  7  *
  8  * This program is free software; you can redistribute it and/or modify
  9  * it under the terms of the GNU General Public License as published by
 10  * the Free Software Foundation; either version 2 of the License, or
 11  * (at your option) any later version.
 12  *
 13  * This program is distributed in the hope that it will be useful,
 14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 16  * GNU General Public License for more details.
 17  *
 18  * You should have received a copy of the GNU General Public License
 19  * along with this program; if not, see <http://www.gnu.org/licenses/>.
 20  */
 21 
 22 #ifndef __LOCAL_NFC_H
 23 #define __LOCAL_NFC_H
 24 
 25 #include <net/nfc/nfc.h>
 26 #include <net/sock.h>
 27 
 28 #define NFC_TARGET_MODE_IDLE 0
 29 #define NFC_TARGET_MODE_SLEEP 1
 30 
 31 struct nfc_protocol {
 32         int id;
 33         struct proto *proto;
 34         struct module *owner;
 35         int (*create)(struct net *net, struct socket *sock,
 36                       const struct nfc_protocol *nfc_proto, int kern);
 37 };
 38 
 39 struct nfc_rawsock {
 40         struct sock sk;
 41         struct nfc_dev *dev;
 42         u32 target_idx;
 43         struct work_struct tx_work;
 44         bool tx_work_scheduled;
 45 };
 46 
 47 struct nfc_sock_list {
 48         struct hlist_head head;
 49         rwlock_t          lock;
 50 };
 51 
 52 #define nfc_rawsock(sk) ((struct nfc_rawsock *) sk)
 53 #define to_rawsock_sk(_tx_work) \
 54         ((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work))
 55 
 56 struct nfc_llcp_sdp_tlv;
 57 
 58 void nfc_llcp_mac_is_down(struct nfc_dev *dev);
 59 void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
 60                         u8 comm_mode, u8 rf_mode);
 61 int nfc_llcp_register_device(struct nfc_dev *dev);
 62 void nfc_llcp_unregister_device(struct nfc_dev *dev);
 63 int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len);
 64 u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len);
 65 int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb);
 66 struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev);
 67 int __init nfc_llcp_init(void);
 68 void nfc_llcp_exit(void);
 69 void nfc_llcp_free_sdp_tlv(struct nfc_llcp_sdp_tlv *sdp);
 70 void nfc_llcp_free_sdp_tlv_list(struct hlist_head *head);
 71 
 72 int __init rawsock_init(void);
 73 void rawsock_exit(void);
 74 
 75 int __init af_nfc_init(void);
 76 void af_nfc_exit(void);
 77 int nfc_proto_register(const struct nfc_protocol *nfc_proto);
 78 void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
 79 
 80 extern int nfc_devlist_generation;
 81 extern struct mutex nfc_devlist_mutex;
 82 
 83 int __init nfc_genl_init(void);
 84 void nfc_genl_exit(void);
 85 
 86 void nfc_genl_data_init(struct nfc_genl_data *genl_data);
 87 void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
 88 
 89 int nfc_genl_targets_found(struct nfc_dev *dev);
 90 int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx);
 91 
 92 int nfc_genl_device_added(struct nfc_dev *dev);
 93 int nfc_genl_device_removed(struct nfc_dev *dev);
 94 
 95 int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
 96                                u8 comm_mode, u8 rf_mode);
 97 int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
 98 
 99 int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol);
100 int nfc_genl_tm_deactivated(struct nfc_dev *dev);
101 
102 int nfc_genl_llc_send_sdres(struct nfc_dev *dev, struct hlist_head *sdres_list);
103 
104 int nfc_genl_se_added(struct nfc_dev *dev, u32 se_idx, u16 type);
105 int nfc_genl_se_removed(struct nfc_dev *dev, u32 se_idx);
106 int nfc_genl_se_transaction(struct nfc_dev *dev, u8 se_idx,
107                             struct nfc_evt_transaction *evt_transaction);
108 int nfc_genl_se_connectivity(struct nfc_dev *dev, u8 se_idx);
109 
110 struct nfc_dev *nfc_get_device(unsigned int idx);
111 
112 static inline void nfc_put_device(struct nfc_dev *dev)
113 {
114         put_device(&dev->dev);
115 }
116 
117 static inline void nfc_device_iter_init(struct class_dev_iter *iter)
118 {
119         class_dev_iter_init(iter, &nfc_class, NULL, NULL);
120 }
121 
122 static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter)
123 {
124         struct device *d = class_dev_iter_next(iter);
125         if (!d)
126                 return NULL;
127 
128         return to_nfc_dev(d);
129 }
130 
131 static inline void nfc_device_iter_exit(struct class_dev_iter *iter)
132 {
133         class_dev_iter_exit(iter);
134 }
135 
136 int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name);
137 int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
138                               u32 result);
139 
140 int nfc_dev_up(struct nfc_dev *dev);
141 
142 int nfc_dev_down(struct nfc_dev *dev);
143 
144 int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols);
145 
146 int nfc_stop_poll(struct nfc_dev *dev);
147 
148 int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode);
149 
150 int nfc_dep_link_down(struct nfc_dev *dev);
151 
152 int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
153 
154 int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx, u8 mode);
155 
156 int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,
157                       data_exchange_cb_t cb, void *cb_context);
158 
159 int nfc_enable_se(struct nfc_dev *dev, u32 se_idx);
160 int nfc_disable_se(struct nfc_dev *dev, u32 se_idx);
161 
162 #endif /* __LOCAL_NFC_H */
163 

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