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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C) 2011 Instituto Nokia de Tecnologia
4 *
5 * Authors:
6 * Lauro Ramos Venancio <lauro.venancio@openbossa.org>
7 * Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
8 */
9
10#ifndef __LOCAL_NFC_H
11#define __LOCAL_NFC_H
12
13#include <net/nfc/nfc.h>
14#include <net/sock.h>
15
16#define NFC_TARGET_MODE_IDLE 0
17#define NFC_TARGET_MODE_SLEEP 1
18
19struct nfc_protocol {
20 int id;
21 struct proto *proto;
22 struct module *owner;
23 int (*create)(struct net *net, struct socket *sock,
24 const struct nfc_protocol *nfc_proto, int kern);
25};
26
27struct nfc_rawsock {
28 struct sock sk;
29 struct nfc_dev *dev;
30 u32 target_idx;
31 struct work_struct tx_work;
32 bool tx_work_scheduled;
33};
34
35struct nfc_sock_list {
36 struct hlist_head head;
37 rwlock_t lock;
38};
39
40#define nfc_rawsock(sk) ((struct nfc_rawsock *) sk)
41#define to_rawsock_sk(_tx_work) \
42 ((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work))
43
44struct nfc_llcp_sdp_tlv;
45
46void nfc_llcp_mac_is_down(struct nfc_dev *dev);
47void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
48 u8 comm_mode, u8 rf_mode);
49int nfc_llcp_register_device(struct nfc_dev *dev);
50void nfc_llcp_unregister_device(struct nfc_dev *dev);
51int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len);
52u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len);
53int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb);
54struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev);
55int __init nfc_llcp_init(void);
56void nfc_llcp_exit(void);
57void nfc_llcp_free_sdp_tlv(struct nfc_llcp_sdp_tlv *sdp);
58void nfc_llcp_free_sdp_tlv_list(struct hlist_head *head);
59
60int __init rawsock_init(void);
61void rawsock_exit(void);
62
63int __init af_nfc_init(void);
64void af_nfc_exit(void);
65int nfc_proto_register(const struct nfc_protocol *nfc_proto);
66void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
67
68extern int nfc_devlist_generation;
69extern struct mutex nfc_devlist_mutex;
70
71int __init nfc_genl_init(void);
72void nfc_genl_exit(void);
73
74void nfc_genl_data_init(struct nfc_genl_data *genl_data);
75void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
76
77int nfc_genl_targets_found(struct nfc_dev *dev);
78int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx);
79
80int nfc_genl_device_added(struct nfc_dev *dev);
81int nfc_genl_device_removed(struct nfc_dev *dev);
82
83int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
84 u8 comm_mode, u8 rf_mode);
85int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
86
87int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol);
88int nfc_genl_tm_deactivated(struct nfc_dev *dev);
89
90int nfc_genl_llc_send_sdres(struct nfc_dev *dev, struct hlist_head *sdres_list);
91
92int nfc_genl_se_added(struct nfc_dev *dev, u32 se_idx, u16 type);
93int nfc_genl_se_removed(struct nfc_dev *dev, u32 se_idx);
94int nfc_genl_se_transaction(struct nfc_dev *dev, u8 se_idx,
95 struct nfc_evt_transaction *evt_transaction);
96int nfc_genl_se_connectivity(struct nfc_dev *dev, u8 se_idx);
97
98struct nfc_dev *nfc_get_device(unsigned int idx);
99
100static inline void nfc_put_device(struct nfc_dev *dev)
101{
102 put_device(&dev->dev);
103}
104
105static inline void nfc_device_iter_init(struct class_dev_iter *iter)
106{
107 class_dev_iter_init(iter, &nfc_class, NULL, NULL);
108}
109
110static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter)
111{
112 struct device *d = class_dev_iter_next(iter);
113 if (!d)
114 return NULL;
115
116 return to_nfc_dev(d);
117}
118
119static inline void nfc_device_iter_exit(struct class_dev_iter *iter)
120{
121 class_dev_iter_exit(iter);
122}
123
124int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name);
125int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
126 u32 result);
127
128int nfc_dev_up(struct nfc_dev *dev);
129
130int nfc_dev_down(struct nfc_dev *dev);
131
132int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols);
133
134int nfc_stop_poll(struct nfc_dev *dev);
135
136int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode);
137
138int nfc_dep_link_down(struct nfc_dev *dev);
139
140int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
141
142int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx, u8 mode);
143
144int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,
145 data_exchange_cb_t cb, void *cb_context);
146
147int nfc_enable_se(struct nfc_dev *dev, u32 se_idx);
148int nfc_disable_se(struct nfc_dev *dev, u32 se_idx);
149
150#endif /* __LOCAL_NFC_H */
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 __init nfc_llcp_init(void);
59void nfc_llcp_exit(void);
60
61#else
62
63static inline void nfc_llcp_mac_is_down(struct nfc_dev *dev)
64{
65}
66
67static inline void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
68 u8 comm_mode, u8 rf_mode)
69{
70}
71
72static inline int nfc_llcp_register_device(struct nfc_dev *dev)
73{
74 return 0;
75}
76
77static inline void nfc_llcp_unregister_device(struct nfc_dev *dev)
78{
79}
80
81static inline int nfc_llcp_set_remote_gb(struct nfc_dev *dev,
82 u8 *gb, u8 gb_len)
83{
84 return 0;
85}
86
87static inline u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *gb_len)
88{
89 *gb_len = 0;
90 return NULL;
91}
92
93static inline int nfc_llcp_init(void)
94{
95 return 0;
96}
97
98static inline void nfc_llcp_exit(void)
99{
100}
101
102#endif
103
104int __init rawsock_init(void);
105void rawsock_exit(void);
106
107int __init af_nfc_init(void);
108void af_nfc_exit(void);
109int nfc_proto_register(const struct nfc_protocol *nfc_proto);
110void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
111
112extern int nfc_devlist_generation;
113extern struct mutex nfc_devlist_mutex;
114
115int __init nfc_genl_init(void);
116void nfc_genl_exit(void);
117
118void nfc_genl_data_init(struct nfc_genl_data *genl_data);
119void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
120
121int nfc_genl_targets_found(struct nfc_dev *dev);
122int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx);
123
124int nfc_genl_device_added(struct nfc_dev *dev);
125int nfc_genl_device_removed(struct nfc_dev *dev);
126
127int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
128 u8 comm_mode, u8 rf_mode);
129int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
130
131struct nfc_dev *nfc_get_device(unsigned int idx);
132
133static inline void nfc_put_device(struct nfc_dev *dev)
134{
135 put_device(&dev->dev);
136}
137
138static inline void nfc_device_iter_init(struct class_dev_iter *iter)
139{
140 class_dev_iter_init(iter, &nfc_class, NULL, NULL);
141}
142
143static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter)
144{
145 struct device *d = class_dev_iter_next(iter);
146 if (!d)
147 return NULL;
148
149 return to_nfc_dev(d);
150}
151
152static inline void nfc_device_iter_exit(struct class_dev_iter *iter)
153{
154 class_dev_iter_exit(iter);
155}
156
157int nfc_dev_up(struct nfc_dev *dev);
158
159int nfc_dev_down(struct nfc_dev *dev);
160
161int nfc_start_poll(struct nfc_dev *dev, u32 protocols);
162
163int nfc_stop_poll(struct nfc_dev *dev);
164
165int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode);
166
167int nfc_dep_link_down(struct nfc_dev *dev);
168
169int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
170
171int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx);
172
173int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,
174 data_exchange_cb_t cb, void *cb_context);
175
176#endif /* __LOCAL_NFC_H */