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Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -03001/*
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
Jeff Kirsher98b32de2013-12-06 08:56:16 -080019 * along with this program; if not, see <http://www.gnu.org/licenses/>.
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -030020 */
21
22#ifndef __LOCAL_NFC_H
23#define __LOCAL_NFC_H
24
Ilan Elias55eb94f2011-09-18 11:19:34 +030025#include <net/nfc/nfc.h>
Aloisio Almeida Jrc7fe3b52011-07-01 19:31:35 -030026#include <net/sock.h>
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -030027
Aloisio Almeida Jrc7fe3b52011-07-01 19:31:35 -030028struct nfc_protocol {
29 int id;
30 struct proto *proto;
31 struct module *owner;
32 int (*create)(struct net *net, struct socket *sock,
Eric W. Biederman11aa9c22015-05-08 21:09:13 -050033 const struct nfc_protocol *nfc_proto, int kern);
Aloisio Almeida Jrc7fe3b52011-07-01 19:31:35 -030034};
35
Lauro Ramos Venancio23b78692011-07-01 19:31:36 -030036struct 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};
Hiren Tandel57be1f32014-05-05 19:43:31 +090043
44struct nfc_sock_list {
45 struct hlist_head head;
46 rwlock_t lock;
47};
48
Lauro Ramos Venancio23b78692011-07-01 19:31:36 -030049#define nfc_rawsock(sk) ((struct nfc_rawsock *) sk)
50#define to_rawsock_sk(_tx_work) \
51 ((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work))
52
Thierry Escanded9b8d8e2013-02-15 10:43:06 +010053struct nfc_llcp_sdp_tlv;
54
Samuel Ortizd6469602011-12-14 16:43:12 +010055void nfc_llcp_mac_is_down(struct nfc_dev *dev);
56void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
57 u8 comm_mode, u8 rf_mode);
58int nfc_llcp_register_device(struct nfc_dev *dev);
59void nfc_llcp_unregister_device(struct nfc_dev *dev);
60int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len);
Samuel Ortiz47807d32012-03-05 01:03:50 +010061u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len);
Samuel Ortiz73167ce2012-05-31 00:05:50 +020062int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb);
Thierry Escande52feb442012-10-17 14:43:39 +020063struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev);
Samuel Ortizd6469602011-12-14 16:43:12 +010064int __init nfc_llcp_init(void);
65void nfc_llcp_exit(void);
Thierry Escanded9b8d8e2013-02-15 10:43:06 +010066void nfc_llcp_free_sdp_tlv(struct nfc_llcp_sdp_tlv *sdp);
67void nfc_llcp_free_sdp_tlv_list(struct hlist_head *head);
Samuel Ortizd6469602011-12-14 16:43:12 +010068
Lauro Ramos Venancio23b78692011-07-01 19:31:36 -030069int __init rawsock_init(void);
70void rawsock_exit(void);
71
Aloisio Almeida Jrc7fe3b52011-07-01 19:31:35 -030072int __init af_nfc_init(void);
73void af_nfc_exit(void);
74int nfc_proto_register(const struct nfc_protocol *nfc_proto);
75void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
76
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -030077extern int nfc_devlist_generation;
78extern struct mutex nfc_devlist_mutex;
79
Lauro Ramos Venancio4d12b8b2011-07-01 19:31:34 -030080int __init nfc_genl_init(void);
81void nfc_genl_exit(void);
82
83void nfc_genl_data_init(struct nfc_genl_data *genl_data);
84void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
85
86int nfc_genl_targets_found(struct nfc_dev *dev);
Samuel Ortiz8112a5c2012-04-10 19:43:04 +020087int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx);
Lauro Ramos Venancio4d12b8b2011-07-01 19:31:34 -030088
89int nfc_genl_device_added(struct nfc_dev *dev);
90int nfc_genl_device_removed(struct nfc_dev *dev);
91
Samuel Ortiz1ed28f62011-12-14 16:43:09 +010092int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
93 u8 comm_mode, u8 rf_mode);
94int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
95
Samuel Ortizfc40a8c2012-06-01 13:21:13 +020096int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol);
97int nfc_genl_tm_deactivated(struct nfc_dev *dev);
98
Thierry Escanded9b8d8e2013-02-15 10:43:06 +010099int nfc_genl_llc_send_sdres(struct nfc_dev *dev, struct hlist_head *sdres_list);
100
Samuel Ortiz2757c3722013-05-10 15:47:37 +0200101int nfc_genl_se_added(struct nfc_dev *dev, u32 se_idx, u16 type);
102int nfc_genl_se_removed(struct nfc_dev *dev, u32 se_idx);
Christophe Ricard447b27c2015-02-01 22:26:16 +0100103int nfc_genl_se_transaction(struct nfc_dev *dev, u8 se_idx,
104 struct nfc_evt_transaction *evt_transaction);
Samuel Ortiz2757c3722013-05-10 15:47:37 +0200105
Eric Dumazet95c96172012-04-15 05:58:06 +0000106struct nfc_dev *nfc_get_device(unsigned int idx);
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300107
108static inline void nfc_put_device(struct nfc_dev *dev)
109{
110 put_device(&dev->dev);
111}
112
113static inline void nfc_device_iter_init(struct class_dev_iter *iter)
114{
115 class_dev_iter_init(iter, &nfc_class, NULL, NULL);
116}
117
118static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter)
119{
120 struct device *d = class_dev_iter_next(iter);
121 if (!d)
122 return NULL;
123
124 return to_nfc_dev(d);
125}
126
127static inline void nfc_device_iter_exit(struct class_dev_iter *iter)
128{
129 class_dev_iter_exit(iter);
130}
131
Samuel Ortiz9ea71872013-07-31 01:19:43 +0200132int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name);
Eric Lapuyade352a5f52013-07-19 14:57:55 +0200133int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
134 u32 result);
Eric Lapuyade9674da82013-04-29 17:13:27 +0200135
Ilan Elias8b3fe7b2011-09-18 11:19:33 +0300136int nfc_dev_up(struct nfc_dev *dev);
137
138int nfc_dev_down(struct nfc_dev *dev);
139
Samuel Ortizfe7c5802012-05-15 15:57:06 +0200140int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols);
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300141
142int nfc_stop_poll(struct nfc_dev *dev);
143
Samuel Ortiz47807d32012-03-05 01:03:50 +0100144int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode);
Samuel Ortiz1ed28f62011-12-14 16:43:09 +0100145
146int nfc_dep_link_down(struct nfc_dev *dev);
147
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300148int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
149
150int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx);
151
Samuel Ortiz0a40acb2012-03-05 01:03:53 +0100152int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,
153 data_exchange_cb_t cb, void *cb_context);
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300154
Samuel Ortizc531c9e2013-05-10 16:15:32 +0200155int nfc_enable_se(struct nfc_dev *dev, u32 se_idx);
156int nfc_disable_se(struct nfc_dev *dev, u32 se_idx);
157
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300158#endif /* __LOCAL_NFC_H */