tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
30struct 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
38struct 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
51void nfc_llcp_mac_is_down(struct nfc_dev *dev);
52void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
53 u8 comm_mode, u8 rf_mode);
54int nfc_llcp_register_device(struct nfc_dev *dev);
55void nfc_llcp_unregister_device(struct nfc_dev *dev);
56int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len);
57u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len);
58int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb);
59struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev);
60int __init nfc_llcp_init(void);
61void nfc_llcp_exit(void);
62
63#else
64
65static inline void nfc_llcp_mac_is_down(struct nfc_dev *dev)
66{
67}
68
69static inline void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
70 u8 comm_mode, u8 rf_mode)
71{
72}
73
74static inline int nfc_llcp_register_device(struct nfc_dev *dev)
75{
76 return 0;
77}
78
79static inline void nfc_llcp_unregister_device(struct nfc_dev *dev)
80{
81}
82
83static inline int nfc_llcp_set_remote_gb(struct nfc_dev *dev,
84 u8 *gb, u8 gb_len)
85{
86 return 0;
87}
88
89static inline u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *gb_len)
90{
91 *gb_len = 0;
92 return NULL;
93}
94
95static inline int nfc_llcp_data_received(struct nfc_dev *dev,
96 struct sk_buff *skb)
97{
98 return 0;
99}
100
101static inline struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev)
102{
103 return NULL;
104}
105
106static inline int nfc_llcp_init(void)
107{
108 return 0;
109}
110
111static inline void nfc_llcp_exit(void)
112{
113}
114
115#endif
116
117int __init rawsock_init(void);
118void rawsock_exit(void);
119
120int __init af_nfc_init(void);
121void af_nfc_exit(void);
122int nfc_proto_register(const struct nfc_protocol *nfc_proto);
123void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
124
125extern int nfc_devlist_generation;
126extern struct mutex nfc_devlist_mutex;
127
128int __init nfc_genl_init(void);
129void nfc_genl_exit(void);
130
131void nfc_genl_data_init(struct nfc_genl_data *genl_data);
132void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
133
134int nfc_genl_targets_found(struct nfc_dev *dev);
135int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx);
136
137int nfc_genl_device_added(struct nfc_dev *dev);
138int nfc_genl_device_removed(struct nfc_dev *dev);
139
140int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
141 u8 comm_mode, u8 rf_mode);
142int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
143
144int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol);
145int nfc_genl_tm_deactivated(struct nfc_dev *dev);
146
147struct nfc_dev *nfc_get_device(unsigned int idx);
148
149static inline void nfc_put_device(struct nfc_dev *dev)
150{
151 put_device(&dev->dev);
152}
153
154static inline void nfc_device_iter_init(struct class_dev_iter *iter)
155{
156 class_dev_iter_init(iter, &nfc_class, NULL, NULL);
157}
158
159static 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
168static inline void nfc_device_iter_exit(struct class_dev_iter *iter)
169{
170 class_dev_iter_exit(iter);
171}
172
173int nfc_dev_up(struct nfc_dev *dev);
174
175int nfc_dev_down(struct nfc_dev *dev);
176
177int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols);
178
179int nfc_stop_poll(struct nfc_dev *dev);
180
181int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode);
182
183int nfc_dep_link_down(struct nfc_dev *dev);
184
185int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
186
187int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx);
188
189int 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 */