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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, write to the |
20 | * Free Software Foundation, Inc., |
21 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
22 | */ |
23 | |
24 | #ifndef __LOCAL_NFC_H |
25 | #define __LOCAL_NFC_H |
26 | |
27 | #include <net/nfc/nfc.h> |
28 | #include <net/sock.h> |
29 | |
30 | struct nfc_protocol { |
31 | int id; |
32 | struct proto *proto; |
33 | struct module *owner; |
34 | int (*create)(struct net *net, struct socket *sock, |
35 | const struct nfc_protocol *nfc_proto); |
36 | }; |
37 | |
38 | struct nfc_rawsock { |
39 | struct sock sk; |
40 | struct nfc_dev *dev; |
41 | u32 target_idx; |
42 | struct work_struct tx_work; |
43 | bool tx_work_scheduled; |
44 | }; |
45 | #define nfc_rawsock(sk) ((struct nfc_rawsock *) sk) |
46 | #define to_rawsock_sk(_tx_work) \ |
47 | ((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work)) |
48 | |
49 | #ifdef CONFIG_NFC_LLCP |
50 | |
51 | void nfc_llcp_mac_is_down(struct nfc_dev *dev); |
52 | void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx, |
53 | u8 comm_mode, u8 rf_mode); |
54 | int nfc_llcp_register_device(struct nfc_dev *dev); |
55 | void nfc_llcp_unregister_device(struct nfc_dev *dev); |
56 | int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len); |
57 | u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len); |
58 | int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb); |
59 | struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev); |
60 | int __init nfc_llcp_init(void); |
61 | void nfc_llcp_exit(void); |
62 | |
63 | #else |
64 | |
65 | static inline void nfc_llcp_mac_is_down(struct nfc_dev *dev) |
66 | { |
67 | } |
68 | |
69 | static inline void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx, |
70 | u8 comm_mode, u8 rf_mode) |
71 | { |
72 | } |
73 | |
74 | static inline int nfc_llcp_register_device(struct nfc_dev *dev) |
75 | { |
76 | return 0; |
77 | } |
78 | |
79 | static inline void nfc_llcp_unregister_device(struct nfc_dev *dev) |
80 | { |
81 | } |
82 | |
83 | static inline int nfc_llcp_set_remote_gb(struct nfc_dev *dev, |
84 | u8 *gb, u8 gb_len) |
85 | { |
86 | return 0; |
87 | } |
88 | |
89 | static inline u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *gb_len) |
90 | { |
91 | *gb_len = 0; |
92 | return NULL; |
93 | } |
94 | |
95 | static inline int nfc_llcp_data_received(struct nfc_dev *dev, |
96 | struct sk_buff *skb) |
97 | { |
98 | return 0; |
99 | } |
100 | |
101 | static inline struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev) |
102 | { |
103 | return NULL; |
104 | } |
105 | |
106 | static inline int nfc_llcp_init(void) |
107 | { |
108 | return 0; |
109 | } |
110 | |
111 | static inline void nfc_llcp_exit(void) |
112 | { |
113 | } |
114 | |
115 | #endif |
116 | |
117 | int __init rawsock_init(void); |
118 | void rawsock_exit(void); |
119 | |
120 | int __init af_nfc_init(void); |
121 | void af_nfc_exit(void); |
122 | int nfc_proto_register(const struct nfc_protocol *nfc_proto); |
123 | void nfc_proto_unregister(const struct nfc_protocol *nfc_proto); |
124 | |
125 | extern int nfc_devlist_generation; |
126 | extern struct mutex nfc_devlist_mutex; |
127 | |
128 | int __init nfc_genl_init(void); |
129 | void nfc_genl_exit(void); |
130 | |
131 | void nfc_genl_data_init(struct nfc_genl_data *genl_data); |
132 | void nfc_genl_data_exit(struct nfc_genl_data *genl_data); |
133 | |
134 | int nfc_genl_targets_found(struct nfc_dev *dev); |
135 | int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx); |
136 | |
137 | int nfc_genl_device_added(struct nfc_dev *dev); |
138 | int nfc_genl_device_removed(struct nfc_dev *dev); |
139 | |
140 | int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx, |
141 | u8 comm_mode, u8 rf_mode); |
142 | int nfc_genl_dep_link_down_event(struct nfc_dev *dev); |
143 | |
144 | int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol); |
145 | int nfc_genl_tm_deactivated(struct nfc_dev *dev); |
146 | |
147 | struct nfc_dev *nfc_get_device(unsigned int idx); |
148 | |
149 | static inline void nfc_put_device(struct nfc_dev *dev) |
150 | { |
151 | put_device(&dev->dev); |
152 | } |
153 | |
154 | static inline void nfc_device_iter_init(struct class_dev_iter *iter) |
155 | { |
156 | class_dev_iter_init(iter, &nfc_class, NULL, NULL); |
157 | } |
158 | |
159 | static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter) |
160 | { |
161 | struct device *d = class_dev_iter_next(iter); |
162 | if (!d) |
163 | return NULL; |
164 | |
165 | return to_nfc_dev(d); |
166 | } |
167 | |
168 | static inline void nfc_device_iter_exit(struct class_dev_iter *iter) |
169 | { |
170 | class_dev_iter_exit(iter); |
171 | } |
172 | |
173 | int nfc_dev_up(struct nfc_dev *dev); |
174 | |
175 | int nfc_dev_down(struct nfc_dev *dev); |
176 | |
177 | int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols); |
178 | |
179 | int nfc_stop_poll(struct nfc_dev *dev); |
180 | |
181 | int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode); |
182 | |
183 | int nfc_dep_link_down(struct nfc_dev *dev); |
184 | |
185 | int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol); |
186 | |
187 | int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx); |
188 | |
189 | int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb, |
190 | data_exchange_cb_t cb, void *cb_context); |
191 | |
192 | #endif /* __LOCAL_NFC_H */ |
193 |
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