Loading...
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
28struct nfc_protocol {
29 int id;
30 struct proto *proto;
31 struct module *owner;
32 int (*create)(struct net *net, struct socket *sock,
33 const struct nfc_protocol *nfc_proto);
34};
35
36struct nfc_rawsock {
37 struct sock sk;
38 struct nfc_dev *dev;
39 u32 target_idx;
40 struct work_struct tx_work;
41 bool tx_work_scheduled;
42};
43#define nfc_rawsock(sk) ((struct nfc_rawsock *) sk)
44#define to_rawsock_sk(_tx_work) \
45 ((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work))
46
47struct nfc_llcp_sdp_tlv;
48
49void nfc_llcp_mac_is_down(struct nfc_dev *dev);
50void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
51 u8 comm_mode, u8 rf_mode);
52int nfc_llcp_register_device(struct nfc_dev *dev);
53void nfc_llcp_unregister_device(struct nfc_dev *dev);
54int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len);
55u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len);
56int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb);
57struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev);
58int __init nfc_llcp_init(void);
59void nfc_llcp_exit(void);
60void nfc_llcp_free_sdp_tlv(struct nfc_llcp_sdp_tlv *sdp);
61void nfc_llcp_free_sdp_tlv_list(struct hlist_head *head);
62
63int __init rawsock_init(void);
64void rawsock_exit(void);
65
66int __init af_nfc_init(void);
67void af_nfc_exit(void);
68int nfc_proto_register(const struct nfc_protocol *nfc_proto);
69void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
70
71extern int nfc_devlist_generation;
72extern struct mutex nfc_devlist_mutex;
73
74int __init nfc_genl_init(void);
75void nfc_genl_exit(void);
76
77void nfc_genl_data_init(struct nfc_genl_data *genl_data);
78void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
79
80int nfc_genl_targets_found(struct nfc_dev *dev);
81int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx);
82
83int nfc_genl_device_added(struct nfc_dev *dev);
84int nfc_genl_device_removed(struct nfc_dev *dev);
85
86int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
87 u8 comm_mode, u8 rf_mode);
88int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
89
90int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol);
91int nfc_genl_tm_deactivated(struct nfc_dev *dev);
92
93int nfc_genl_llc_send_sdres(struct nfc_dev *dev, struct hlist_head *sdres_list);
94
95int nfc_genl_se_added(struct nfc_dev *dev, u32 se_idx, u16 type);
96int nfc_genl_se_removed(struct nfc_dev *dev, u32 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);
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/* 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, const 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 */