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
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.