1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21#ifndef __LOCAL_LLC_H_
22#define __LOCAL_LLC_H_
23
24#include <net/nfc/hci.h>
25#include <net/nfc/llc.h>
26#include <linux/skbuff.h>
27
28struct nfc_llc_ops {
29 void *(*init) (struct nfc_hci_dev *hdev, xmit_to_drv_t xmit_to_drv,
30 rcv_to_hci_t rcv_to_hci, int tx_headroom,
31 int tx_tailroom, int *rx_headroom, int *rx_tailroom,
32 llc_failure_t llc_failure);
33 void (*deinit) (struct nfc_llc *llc);
34 int (*start) (struct nfc_llc *llc);
35 int (*stop) (struct nfc_llc *llc);
36 void (*rcv_from_drv) (struct nfc_llc *llc, struct sk_buff *skb);
37 int (*xmit_from_hci) (struct nfc_llc *llc, struct sk_buff *skb);
38};
39
40struct nfc_llc_engine {
41 const char *name;
42 struct nfc_llc_ops *ops;
43 struct list_head entry;
44};
45
46struct nfc_llc {
47 void *data;
48 struct nfc_llc_ops *ops;
49 int rx_headroom;
50 int rx_tailroom;
51};
52
53void *nfc_llc_get_data(struct nfc_llc *llc);
54
55int nfc_llc_register(const char *name, struct nfc_llc_ops *ops);
56void nfc_llc_unregister(const char *name);
57
58int nfc_llc_nop_register(void);
59
60#if defined(CONFIG_NFC_SHDLC)
61int nfc_llc_shdlc_register(void);
62#else
63static inline int nfc_llc_shdlc_register(void)
64{
65 return 0;
66}
67#endif
68
69#endif
70