| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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> |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | |
| 19 | struct 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 | |
| 27 | struct 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 | |
| 35 | struct 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 | |
| 44 | struct nfc_llcp_sdp_tlv; |
| 45 | |
| 46 | void nfc_llcp_mac_is_down(struct nfc_dev *dev); |
| 47 | void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx, |
| 48 | u8 comm_mode, u8 rf_mode); |
| 49 | int nfc_llcp_register_device(struct nfc_dev *dev); |
| 50 | void nfc_llcp_unregister_device(struct nfc_dev *dev); |
| 51 | int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len); |
| 52 | u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len); |
| 53 | int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb); |
| 54 | struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev); |
| 55 | int __init nfc_llcp_init(void); |
| 56 | void nfc_llcp_exit(void); |
| 57 | void nfc_llcp_free_sdp_tlv(struct nfc_llcp_sdp_tlv *sdp); |
| 58 | void nfc_llcp_free_sdp_tlv_list(struct hlist_head *head); |
| 59 | |
| 60 | int __init rawsock_init(void); |
| 61 | void rawsock_exit(void); |
| 62 | |
| 63 | int __init af_nfc_init(void); |
| 64 | void af_nfc_exit(void); |
| 65 | int nfc_proto_register(const struct nfc_protocol *nfc_proto); |
| 66 | void nfc_proto_unregister(const struct nfc_protocol *nfc_proto); |
| 67 | |
| 68 | extern int nfc_devlist_generation; |
| 69 | extern struct mutex nfc_devlist_mutex; |
| 70 | |
| 71 | int __init nfc_genl_init(void); |
| 72 | void nfc_genl_exit(void); |
| 73 | |
| 74 | void nfc_genl_data_init(struct nfc_genl_data *genl_data); |
| 75 | void nfc_genl_data_exit(struct nfc_genl_data *genl_data); |
| 76 | |
| 77 | int nfc_genl_targets_found(struct nfc_dev *dev); |
| 78 | int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx); |
| 79 | |
| 80 | int nfc_genl_device_added(struct nfc_dev *dev); |
| 81 | int nfc_genl_device_removed(struct nfc_dev *dev); |
| 82 | |
| 83 | int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx, |
| 84 | u8 comm_mode, u8 rf_mode); |
| 85 | int nfc_genl_dep_link_down_event(struct nfc_dev *dev); |
| 86 | |
| 87 | int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol); |
| 88 | int nfc_genl_tm_deactivated(struct nfc_dev *dev); |
| 89 | |
| 90 | int nfc_genl_llc_send_sdres(struct nfc_dev *dev, struct hlist_head *sdres_list); |
| 91 | |
| 92 | int nfc_genl_se_added(struct nfc_dev *dev, u32 se_idx, u16 type); |
| 93 | int nfc_genl_se_removed(struct nfc_dev *dev, u32 se_idx); |
| 94 | int nfc_genl_se_transaction(struct nfc_dev *dev, u8 se_idx, |
| 95 | struct nfc_evt_transaction *evt_transaction); |
| 96 | int nfc_genl_se_connectivity(struct nfc_dev *dev, u8 se_idx); |
| 97 | |
| 98 | struct nfc_dev *nfc_get_device(unsigned int idx); |
| 99 | |
| 100 | static inline void nfc_put_device(struct nfc_dev *dev) |
| 101 | { |
| 102 | put_device(&dev->dev); |
| 103 | } |
| 104 | |
| 105 | static inline void nfc_device_iter_init(struct class_dev_iter *iter) |
| 106 | { |
| 107 | class_dev_iter_init(iter, &nfc_class, NULL, NULL); |
| 108 | } |
| 109 | |
| 110 | static 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 | |
| 119 | static inline void nfc_device_iter_exit(struct class_dev_iter *iter) |
| 120 | { |
| 121 | class_dev_iter_exit(iter); |
| 122 | } |
| 123 | |
| 124 | int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name); |
| 125 | int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name, |
| 126 | u32 result); |
| 127 | |
| 128 | int nfc_dev_up(struct nfc_dev *dev); |
| 129 | |
| 130 | int nfc_dev_down(struct nfc_dev *dev); |
| 131 | |
| 132 | int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols); |
| 133 | |
| 134 | int nfc_stop_poll(struct nfc_dev *dev); |
| 135 | |
| 136 | int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode); |
| 137 | |
| 138 | int nfc_dep_link_down(struct nfc_dev *dev); |
| 139 | |
| 140 | int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol); |
| 141 | |
| 142 | int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx, u8 mode); |
| 143 | |
| 144 | int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb, |
| 145 | data_exchange_cb_t cb, void *cb_context); |
| 146 | |
| 147 | int nfc_enable_se(struct nfc_dev *dev, u32 se_idx); |
| 148 | int nfc_disable_se(struct nfc_dev *dev, u32 se_idx); |
| 149 | |
| 150 | #endif /* __LOCAL_NFC_H */ |