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1/*
2 * The NFC Controller Interface is the communication protocol between an
3 * NFC Controller (NFCC) and a Device Host (DH).
4 *
5 * Copyright (C) 2011 Texas Instruments, Inc.
6 * Copyright (C) 2013 Intel Corporation. All rights reserved.
7 * Copyright (C) 2014 Marvell International Ltd.
8 *
9 * Written by Ilan Elias <ilane@ti.com>
10 *
11 * Acknowledgements:
12 * This file is based on hci_core.h, which was written
13 * by Maxim Krasnyansky.
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License version 2
17 * as published by the Free Software Foundation
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, see <http://www.gnu.org/licenses/>.
26 *
27 */
28
29#ifndef __NCI_CORE_H
30#define __NCI_CORE_H
31
32#include <linux/interrupt.h>
33#include <linux/skbuff.h>
34#include <linux/tty.h>
35
36#include <net/nfc/nfc.h>
37#include <net/nfc/nci.h>
38
39/* NCI device flags */
40enum nci_flag {
41 NCI_INIT,
42 NCI_UP,
43 NCI_DATA_EXCHANGE,
44 NCI_DATA_EXCHANGE_TO,
45};
46
47/* NCI device states */
48enum nci_state {
49 NCI_IDLE,
50 NCI_DISCOVERY,
51 NCI_W4_ALL_DISCOVERIES,
52 NCI_W4_HOST_SELECT,
53 NCI_POLL_ACTIVE,
54 NCI_LISTEN_ACTIVE,
55 NCI_LISTEN_SLEEP,
56};
57
58/* NCI timeouts */
59#define NCI_RESET_TIMEOUT 5000
60#define NCI_INIT_TIMEOUT 5000
61#define NCI_SET_CONFIG_TIMEOUT 5000
62#define NCI_RF_DISC_TIMEOUT 5000
63#define NCI_RF_DISC_SELECT_TIMEOUT 5000
64#define NCI_RF_DEACTIVATE_TIMEOUT 30000
65#define NCI_CMD_TIMEOUT 5000
66#define NCI_DATA_TIMEOUT 700
67
68struct nci_dev;
69
70struct nci_driver_ops {
71 __u16 opcode;
72 int (*rsp)(struct nci_dev *dev, struct sk_buff *skb);
73 int (*ntf)(struct nci_dev *dev, struct sk_buff *skb);
74};
75
76struct nci_ops {
77 int (*init)(struct nci_dev *ndev);
78 int (*open)(struct nci_dev *ndev);
79 int (*close)(struct nci_dev *ndev);
80 int (*send)(struct nci_dev *ndev, struct sk_buff *skb);
81 int (*setup)(struct nci_dev *ndev);
82 int (*post_setup)(struct nci_dev *ndev);
83 int (*fw_download)(struct nci_dev *ndev, const char *firmware_name);
84 __u32 (*get_rfprotocol)(struct nci_dev *ndev, __u8 rf_protocol);
85 int (*discover_se)(struct nci_dev *ndev);
86 int (*disable_se)(struct nci_dev *ndev, u32 se_idx);
87 int (*enable_se)(struct nci_dev *ndev, u32 se_idx);
88 int (*se_io)(struct nci_dev *ndev, u32 se_idx,
89 u8 *apdu, size_t apdu_length,
90 se_io_cb_t cb, void *cb_context);
91 int (*hci_load_session)(struct nci_dev *ndev);
92 void (*hci_event_received)(struct nci_dev *ndev, u8 pipe, u8 event,
93 struct sk_buff *skb);
94 void (*hci_cmd_received)(struct nci_dev *ndev, u8 pipe, u8 cmd,
95 struct sk_buff *skb);
96
97 struct nci_driver_ops *prop_ops;
98 size_t n_prop_ops;
99
100 struct nci_driver_ops *core_ops;
101 size_t n_core_ops;
102};
103
104#define NCI_MAX_SUPPORTED_RF_INTERFACES 4
105#define NCI_MAX_DISCOVERED_TARGETS 10
106#define NCI_MAX_NUM_NFCEE 255
107#define NCI_MAX_CONN_ID 7
108#define NCI_MAX_PROPRIETARY_CMD 64
109
110struct nci_conn_info {
111 struct list_head list;
112 __u8 id; /* can be an RF Discovery ID or an NFCEE ID */
113 __u8 conn_id;
114 __u8 max_pkt_payload_len;
115
116 atomic_t credits_cnt;
117 __u8 initial_num_credits;
118
119 data_exchange_cb_t data_exchange_cb;
120 void *data_exchange_cb_context;
121
122 struct sk_buff *rx_skb;
123};
124
125#define NCI_INVALID_CONN_ID 0x80
126
127#define NCI_HCI_ANY_OPEN_PIPE 0x03
128
129/* Gates */
130#define NCI_HCI_ADMIN_GATE 0x00
131#define NCI_HCI_LOOPBACK_GATE 0x04
132#define NCI_HCI_IDENTITY_MGMT_GATE 0x05
133#define NCI_HCI_LINK_MGMT_GATE 0x06
134
135/* Pipes */
136#define NCI_HCI_LINK_MGMT_PIPE 0x00
137#define NCI_HCI_ADMIN_PIPE 0x01
138
139/* Generic responses */
140#define NCI_HCI_ANY_OK 0x00
141#define NCI_HCI_ANY_E_NOT_CONNECTED 0x01
142#define NCI_HCI_ANY_E_CMD_PAR_UNKNOWN 0x02
143#define NCI_HCI_ANY_E_NOK 0x03
144#define NCI_HCI_ANY_E_PIPES_FULL 0x04
145#define NCI_HCI_ANY_E_REG_PAR_UNKNOWN 0x05
146#define NCI_HCI_ANY_E_PIPE_NOT_OPENED 0x06
147#define NCI_HCI_ANY_E_CMD_NOT_SUPPORTED 0x07
148#define NCI_HCI_ANY_E_INHIBITED 0x08
149#define NCI_HCI_ANY_E_TIMEOUT 0x09
150#define NCI_HCI_ANY_E_REG_ACCESS_DENIED 0x0a
151#define NCI_HCI_ANY_E_PIPE_ACCESS_DENIED 0x0b
152
153#define NCI_HCI_DO_NOT_OPEN_PIPE 0x81
154#define NCI_HCI_INVALID_PIPE 0x80
155#define NCI_HCI_INVALID_GATE 0xFF
156#define NCI_HCI_INVALID_HOST 0x80
157
158#define NCI_HCI_MAX_CUSTOM_GATES 50
159/*
160 * According to specification 102 622 chapter 4.4 Pipes,
161 * the pipe identifier is 7 bits long.
162 */
163#define NCI_HCI_MAX_PIPES 127
164
165struct nci_hci_gate {
166 u8 gate;
167 u8 pipe;
168 u8 dest_host;
169} __packed;
170
171struct nci_hci_pipe {
172 u8 gate;
173 u8 host;
174} __packed;
175
176struct nci_hci_init_data {
177 u8 gate_count;
178 struct nci_hci_gate gates[NCI_HCI_MAX_CUSTOM_GATES];
179 char session_id[9];
180};
181
182#define NCI_HCI_MAX_GATES 256
183
184struct nci_hci_dev {
185 u8 nfcee_id;
186 struct nci_dev *ndev;
187 struct nci_conn_info *conn_info;
188
189 struct nci_hci_init_data init_data;
190 struct nci_hci_pipe pipes[NCI_HCI_MAX_PIPES];
191 u8 gate2pipe[NCI_HCI_MAX_GATES];
192 int expected_pipes;
193 int count_pipes;
194
195 struct sk_buff_head rx_hcp_frags;
196 struct work_struct msg_rx_work;
197 struct sk_buff_head msg_rx_queue;
198};
199
200/* NCI Core structures */
201struct nci_dev {
202 struct nfc_dev *nfc_dev;
203 struct nci_ops *ops;
204 struct nci_hci_dev *hci_dev;
205
206 int tx_headroom;
207 int tx_tailroom;
208
209 atomic_t state;
210 unsigned long flags;
211
212 atomic_t cmd_cnt;
213 __u8 cur_conn_id;
214
215 struct list_head conn_info_list;
216 struct nci_conn_info *rf_conn_info;
217
218 struct timer_list cmd_timer;
219 struct timer_list data_timer;
220
221 struct workqueue_struct *cmd_wq;
222 struct work_struct cmd_work;
223
224 struct workqueue_struct *rx_wq;
225 struct work_struct rx_work;
226
227 struct workqueue_struct *tx_wq;
228 struct work_struct tx_work;
229
230 struct sk_buff_head cmd_q;
231 struct sk_buff_head rx_q;
232 struct sk_buff_head tx_q;
233
234 struct mutex req_lock;
235 struct completion req_completion;
236 __u32 req_status;
237 __u32 req_result;
238
239 void *driver_data;
240
241 __u32 poll_prots;
242 __u32 target_active_prot;
243
244 struct nfc_target targets[NCI_MAX_DISCOVERED_TARGETS];
245 int n_targets;
246
247 /* received during NCI_OP_CORE_RESET_RSP */
248 __u8 nci_ver;
249
250 /* received during NCI_OP_CORE_INIT_RSP */
251 __u32 nfcc_features;
252 __u8 num_supported_rf_interfaces;
253 __u8 supported_rf_interfaces
254 [NCI_MAX_SUPPORTED_RF_INTERFACES];
255 __u8 max_logical_connections;
256 __u16 max_routing_table_size;
257 __u8 max_ctrl_pkt_payload_len;
258 __u16 max_size_for_large_params;
259 __u8 manufact_id;
260 __u32 manufact_specific_info;
261
262 /* Save RF Discovery ID or NFCEE ID under conn_create */
263 __u8 cur_id;
264
265 /* stored during nci_data_exchange */
266 struct sk_buff *rx_data_reassembly;
267
268 /* stored during intf_activated_ntf */
269 __u8 remote_gb[NFC_MAX_GT_LEN];
270 __u8 remote_gb_len;
271};
272
273/* ----- NCI Devices ----- */
274struct nci_dev *nci_allocate_device(struct nci_ops *ops,
275 __u32 supported_protocols,
276 int tx_headroom,
277 int tx_tailroom);
278void nci_free_device(struct nci_dev *ndev);
279int nci_register_device(struct nci_dev *ndev);
280void nci_unregister_device(struct nci_dev *ndev);
281int nci_request(struct nci_dev *ndev,
282 void (*req)(struct nci_dev *ndev,
283 unsigned long opt),
284 unsigned long opt, __u32 timeout);
285int nci_prop_cmd(struct nci_dev *ndev, __u8 oid, size_t len, __u8 *payload);
286int nci_core_cmd(struct nci_dev *ndev, __u16 opcode, size_t len, __u8 *payload);
287int nci_core_reset(struct nci_dev *ndev);
288int nci_core_init(struct nci_dev *ndev);
289
290int nci_recv_frame(struct nci_dev *ndev, struct sk_buff *skb);
291int nci_send_frame(struct nci_dev *ndev, struct sk_buff *skb);
292int nci_set_config(struct nci_dev *ndev, __u8 id, size_t len, __u8 *val);
293
294int nci_nfcee_discover(struct nci_dev *ndev, u8 action);
295int nci_nfcee_mode_set(struct nci_dev *ndev, u8 nfcee_id, u8 nfcee_mode);
296int nci_core_conn_create(struct nci_dev *ndev, u8 destination_type,
297 u8 number_destination_params,
298 size_t params_len,
299 struct core_conn_create_dest_spec_params *params);
300int nci_core_conn_close(struct nci_dev *ndev, u8 conn_id);
301
302struct nci_hci_dev *nci_hci_allocate(struct nci_dev *ndev);
303int nci_hci_send_event(struct nci_dev *ndev, u8 gate, u8 event,
304 const u8 *param, size_t param_len);
305int nci_hci_send_cmd(struct nci_dev *ndev, u8 gate,
306 u8 cmd, const u8 *param, size_t param_len,
307 struct sk_buff **skb);
308int nci_hci_open_pipe(struct nci_dev *ndev, u8 pipe);
309int nci_hci_connect_gate(struct nci_dev *ndev, u8 dest_host,
310 u8 dest_gate, u8 pipe);
311int nci_hci_set_param(struct nci_dev *ndev, u8 gate, u8 idx,
312 const u8 *param, size_t param_len);
313int nci_hci_get_param(struct nci_dev *ndev, u8 gate, u8 idx,
314 struct sk_buff **skb);
315int nci_hci_clear_all_pipes(struct nci_dev *ndev);
316int nci_hci_dev_session_init(struct nci_dev *ndev);
317
318static inline struct sk_buff *nci_skb_alloc(struct nci_dev *ndev,
319 unsigned int len,
320 gfp_t how)
321{
322 struct sk_buff *skb;
323
324 skb = alloc_skb(len + ndev->tx_headroom + ndev->tx_tailroom, how);
325 if (skb)
326 skb_reserve(skb, ndev->tx_headroom);
327
328 return skb;
329}
330
331static inline void nci_set_parent_dev(struct nci_dev *ndev, struct device *dev)
332{
333 nfc_set_parent_dev(ndev->nfc_dev, dev);
334}
335
336static inline void nci_set_drvdata(struct nci_dev *ndev, void *data)
337{
338 ndev->driver_data = data;
339}
340
341static inline void *nci_get_drvdata(struct nci_dev *ndev)
342{
343 return ndev->driver_data;
344}
345
346static inline int nci_set_vendor_cmds(struct nci_dev *ndev,
347 struct nfc_vendor_cmd *cmds,
348 int n_cmds)
349{
350 return nfc_set_vendor_cmds(ndev->nfc_dev, cmds, n_cmds);
351}
352
353void nci_rsp_packet(struct nci_dev *ndev, struct sk_buff *skb);
354void nci_ntf_packet(struct nci_dev *ndev, struct sk_buff *skb);
355int nci_prop_rsp_packet(struct nci_dev *ndev, __u16 opcode,
356 struct sk_buff *skb);
357int nci_prop_ntf_packet(struct nci_dev *ndev, __u16 opcode,
358 struct sk_buff *skb);
359int nci_core_rsp_packet(struct nci_dev *ndev, __u16 opcode,
360 struct sk_buff *skb);
361int nci_core_ntf_packet(struct nci_dev *ndev, __u16 opcode,
362 struct sk_buff *skb);
363void nci_rx_data_packet(struct nci_dev *ndev, struct sk_buff *skb);
364int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, void *payload);
365int nci_send_data(struct nci_dev *ndev, __u8 conn_id, struct sk_buff *skb);
366int nci_conn_max_data_pkt_payload_size(struct nci_dev *ndev, __u8 conn_id);
367void nci_data_exchange_complete(struct nci_dev *ndev, struct sk_buff *skb,
368 __u8 conn_id, int err);
369void nci_hci_data_received_cb(void *context, struct sk_buff *skb, int err);
370
371void nci_clear_target_list(struct nci_dev *ndev);
372
373/* ----- NCI requests ----- */
374#define NCI_REQ_DONE 0
375#define NCI_REQ_PEND 1
376#define NCI_REQ_CANCELED 2
377
378void nci_req_complete(struct nci_dev *ndev, int result);
379struct nci_conn_info *nci_get_conn_info_by_conn_id(struct nci_dev *ndev,
380 int conn_id);
381int nci_get_conn_info_by_id(struct nci_dev *ndev, u8 id);
382
383/* ----- NCI status code ----- */
384int nci_to_errno(__u8 code);
385
386/* ----- NCI over SPI acknowledge modes ----- */
387#define NCI_SPI_CRC_DISABLED 0x00
388#define NCI_SPI_CRC_ENABLED 0x01
389
390/* ----- NCI SPI structures ----- */
391struct nci_spi {
392 struct nci_dev *ndev;
393 struct spi_device *spi;
394
395 unsigned int xfer_udelay; /* microseconds delay between
396 transactions */
397
398 unsigned int xfer_speed_hz; /*
399 * SPI clock frequency
400 * 0 => default clock
401 */
402
403 u8 acknowledge_mode;
404
405 struct completion req_completion;
406 u8 req_result;
407};
408
409/* ----- NCI SPI ----- */
410struct nci_spi *nci_spi_allocate_spi(struct spi_device *spi,
411 u8 acknowledge_mode, unsigned int delay,
412 struct nci_dev *ndev);
413int nci_spi_send(struct nci_spi *nspi,
414 struct completion *write_handshake_completion,
415 struct sk_buff *skb);
416struct sk_buff *nci_spi_read(struct nci_spi *nspi);
417
418/* ----- NCI UART ---- */
419
420/* Ioctl */
421#define NCIUARTSETDRIVER _IOW('U', 0, char *)
422
423enum nci_uart_driver {
424 NCI_UART_DRIVER_MARVELL = 0,
425 NCI_UART_DRIVER_MAX
426};
427
428struct nci_uart;
429
430struct nci_uart_ops {
431 int (*open)(struct nci_uart *nci_uart);
432 void (*close)(struct nci_uart *nci_uart);
433 int (*recv)(struct nci_uart *nci_uart, struct sk_buff *skb);
434 int (*recv_buf)(struct nci_uart *nci_uart, const u8 *data, char *flags,
435 int count);
436 int (*send)(struct nci_uart *nci_uart, struct sk_buff *skb);
437 void (*tx_start)(struct nci_uart *nci_uart);
438 void (*tx_done)(struct nci_uart *nci_uart);
439};
440
441struct nci_uart {
442 struct module *owner;
443 struct nci_uart_ops ops;
444 const char *name;
445 enum nci_uart_driver driver;
446
447 /* Dynamic data */
448 struct nci_dev *ndev;
449 spinlock_t rx_lock;
450 struct work_struct write_work;
451 struct tty_struct *tty;
452 unsigned long tx_state;
453 struct sk_buff_head tx_q;
454 struct sk_buff *tx_skb;
455 struct sk_buff *rx_skb;
456 int rx_packet_len;
457 void *drv_data;
458};
459
460int nci_uart_register(struct nci_uart *nu);
461void nci_uart_unregister(struct nci_uart *nu);
462void nci_uart_set_config(struct nci_uart *nu, int baudrate, int flow_ctrl);
463
464#endif /* __NCI_CORE_H */
1/*
2 * The NFC Controller Interface is the communication protocol between an
3 * NFC Controller (NFCC) and a Device Host (DH).
4 *
5 * Copyright (C) 2011 Texas Instruments, Inc.
6 *
7 * Written by Ilan Elias <ilane@ti.com>
8 *
9 * Acknowledgements:
10 * This file is based on hci_core.h, which was written
11 * by Maxim Krasnyansky.
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2
15 * as published by the Free Software Foundation
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 *
26 */
27
28#ifndef __NCI_CORE_H
29#define __NCI_CORE_H
30
31#include <linux/interrupt.h>
32#include <linux/skbuff.h>
33
34#include <net/nfc/nfc.h>
35#include <net/nfc/nci.h>
36
37/* NCI device flags */
38enum nci_flag {
39 NCI_INIT,
40 NCI_UP,
41 NCI_DATA_EXCHANGE,
42 NCI_DATA_EXCHANGE_TO,
43};
44
45/* NCI device states */
46enum nci_state {
47 NCI_IDLE,
48 NCI_DISCOVERY,
49 NCI_W4_ALL_DISCOVERIES,
50 NCI_W4_HOST_SELECT,
51 NCI_POLL_ACTIVE,
52};
53
54/* NCI timeouts */
55#define NCI_RESET_TIMEOUT 5000
56#define NCI_INIT_TIMEOUT 5000
57#define NCI_RF_DISC_TIMEOUT 5000
58#define NCI_RF_DISC_SELECT_TIMEOUT 5000
59#define NCI_RF_DEACTIVATE_TIMEOUT 30000
60#define NCI_CMD_TIMEOUT 5000
61#define NCI_DATA_TIMEOUT 700
62
63struct nci_dev;
64
65struct nci_ops {
66 int (*open)(struct nci_dev *ndev);
67 int (*close)(struct nci_dev *ndev);
68 int (*send)(struct sk_buff *skb);
69};
70
71#define NCI_MAX_SUPPORTED_RF_INTERFACES 4
72#define NCI_MAX_DISCOVERED_TARGETS 10
73
74/* NCI Core structures */
75struct nci_dev {
76 struct nfc_dev *nfc_dev;
77 struct nci_ops *ops;
78
79 int tx_headroom;
80 int tx_tailroom;
81
82 atomic_t state;
83 unsigned long flags;
84
85 atomic_t cmd_cnt;
86 atomic_t credits_cnt;
87
88 struct timer_list cmd_timer;
89 struct timer_list data_timer;
90
91 struct workqueue_struct *cmd_wq;
92 struct work_struct cmd_work;
93
94 struct workqueue_struct *rx_wq;
95 struct work_struct rx_work;
96
97 struct workqueue_struct *tx_wq;
98 struct work_struct tx_work;
99
100 struct sk_buff_head cmd_q;
101 struct sk_buff_head rx_q;
102 struct sk_buff_head tx_q;
103
104 struct mutex req_lock;
105 struct completion req_completion;
106 __u32 req_status;
107 __u32 req_result;
108
109 void *driver_data;
110
111 __u32 poll_prots;
112 __u32 target_active_prot;
113
114 struct nfc_target targets[NCI_MAX_DISCOVERED_TARGETS];
115 int n_targets;
116
117 /* received during NCI_OP_CORE_RESET_RSP */
118 __u8 nci_ver;
119
120 /* received during NCI_OP_CORE_INIT_RSP */
121 __u32 nfcc_features;
122 __u8 num_supported_rf_interfaces;
123 __u8 supported_rf_interfaces
124 [NCI_MAX_SUPPORTED_RF_INTERFACES];
125 __u8 max_logical_connections;
126 __u16 max_routing_table_size;
127 __u8 max_ctrl_pkt_payload_len;
128 __u16 max_size_for_large_params;
129 __u8 manufact_id;
130 __u32 manufact_specific_info;
131
132 /* received during NCI_OP_RF_INTF_ACTIVATED_NTF */
133 __u8 max_data_pkt_payload_size;
134 __u8 initial_num_credits;
135
136 /* stored during nci_data_exchange */
137 data_exchange_cb_t data_exchange_cb;
138 void *data_exchange_cb_context;
139 struct sk_buff *rx_data_reassembly;
140};
141
142/* ----- NCI Devices ----- */
143struct nci_dev *nci_allocate_device(struct nci_ops *ops,
144 __u32 supported_protocols,
145 int tx_headroom,
146 int tx_tailroom);
147void nci_free_device(struct nci_dev *ndev);
148int nci_register_device(struct nci_dev *ndev);
149void nci_unregister_device(struct nci_dev *ndev);
150int nci_recv_frame(struct sk_buff *skb);
151
152static inline struct sk_buff *nci_skb_alloc(struct nci_dev *ndev,
153 unsigned int len,
154 gfp_t how)
155{
156 struct sk_buff *skb;
157
158 skb = alloc_skb(len + ndev->tx_headroom + ndev->tx_tailroom, how);
159 if (skb)
160 skb_reserve(skb, ndev->tx_headroom);
161
162 return skb;
163}
164
165static inline void nci_set_parent_dev(struct nci_dev *ndev, struct device *dev)
166{
167 nfc_set_parent_dev(ndev->nfc_dev, dev);
168}
169
170static inline void nci_set_drvdata(struct nci_dev *ndev, void *data)
171{
172 ndev->driver_data = data;
173}
174
175static inline void *nci_get_drvdata(struct nci_dev *ndev)
176{
177 return ndev->driver_data;
178}
179
180void nci_rsp_packet(struct nci_dev *ndev, struct sk_buff *skb);
181void nci_ntf_packet(struct nci_dev *ndev, struct sk_buff *skb);
182void nci_rx_data_packet(struct nci_dev *ndev, struct sk_buff *skb);
183int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, void *payload);
184int nci_send_data(struct nci_dev *ndev, __u8 conn_id, struct sk_buff *skb);
185void nci_data_exchange_complete(struct nci_dev *ndev, struct sk_buff *skb,
186 int err);
187void nci_clear_target_list(struct nci_dev *ndev);
188
189/* ----- NCI requests ----- */
190#define NCI_REQ_DONE 0
191#define NCI_REQ_PEND 1
192#define NCI_REQ_CANCELED 2
193
194void nci_req_complete(struct nci_dev *ndev, int result);
195
196/* ----- NCI status code ----- */
197int nci_to_errno(__u8 code);
198
199#endif /* __NCI_CORE_H */