1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Link Layer Control manager |
4 | * |
5 | * Copyright (C) 2012 Intel Corporation. All rights reserved. |
6 | */ |
7 | |
8 | #ifndef __LOCAL_LLC_H_ |
9 | #define __LOCAL_LLC_H_ |
10 | |
11 | #include <net/nfc/hci.h> |
12 | #include <net/nfc/llc.h> |
13 | #include <linux/skbuff.h> |
14 | |
15 | struct nfc_llc_ops { |
16 | void *(*init) (struct nfc_hci_dev *hdev, xmit_to_drv_t xmit_to_drv, |
17 | rcv_to_hci_t rcv_to_hci, int tx_headroom, |
18 | int tx_tailroom, int *rx_headroom, int *rx_tailroom, |
19 | llc_failure_t llc_failure); |
20 | void (*deinit) (struct nfc_llc *llc); |
21 | int (*start) (struct nfc_llc *llc); |
22 | int (*stop) (struct nfc_llc *llc); |
23 | void (*rcv_from_drv) (struct nfc_llc *llc, struct sk_buff *skb); |
24 | int (*xmit_from_hci) (struct nfc_llc *llc, struct sk_buff *skb); |
25 | }; |
26 | |
27 | struct nfc_llc_engine { |
28 | const char *name; |
29 | const struct nfc_llc_ops *ops; |
30 | struct list_head entry; |
31 | }; |
32 | |
33 | struct nfc_llc { |
34 | void *data; |
35 | const struct nfc_llc_ops *ops; |
36 | int rx_headroom; |
37 | int rx_tailroom; |
38 | }; |
39 | |
40 | void *nfc_llc_get_data(struct nfc_llc *llc); |
41 | |
42 | int nfc_llc_register(const char *name, const struct nfc_llc_ops *ops); |
43 | void nfc_llc_unregister(const char *name); |
44 | |
45 | int nfc_llc_nop_register(void); |
46 | |
47 | #if defined(CONFIG_NFC_SHDLC) |
48 | int nfc_llc_shdlc_register(void); |
49 | #else |
50 | static inline int nfc_llc_shdlc_register(void) |
51 | { |
52 | return 0; |
53 | } |
54 | #endif |
55 | |
56 | #endif /* __LOCAL_LLC_H_ */ |
57 | |