1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Link Layer Control manager
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2012 Intel Corporation. All rights reserved.
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #ifndef __LOCAL_LLC_H_
9*4882a593Smuzhiyun #define __LOCAL_LLC_H_
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <net/nfc/hci.h>
12*4882a593Smuzhiyun #include <net/nfc/llc.h>
13*4882a593Smuzhiyun #include <linux/skbuff.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun struct nfc_llc_ops {
16*4882a593Smuzhiyun void *(*init) (struct nfc_hci_dev *hdev, xmit_to_drv_t xmit_to_drv,
17*4882a593Smuzhiyun rcv_to_hci_t rcv_to_hci, int tx_headroom,
18*4882a593Smuzhiyun int tx_tailroom, int *rx_headroom, int *rx_tailroom,
19*4882a593Smuzhiyun llc_failure_t llc_failure);
20*4882a593Smuzhiyun void (*deinit) (struct nfc_llc *llc);
21*4882a593Smuzhiyun int (*start) (struct nfc_llc *llc);
22*4882a593Smuzhiyun int (*stop) (struct nfc_llc *llc);
23*4882a593Smuzhiyun void (*rcv_from_drv) (struct nfc_llc *llc, struct sk_buff *skb);
24*4882a593Smuzhiyun int (*xmit_from_hci) (struct nfc_llc *llc, struct sk_buff *skb);
25*4882a593Smuzhiyun };
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun struct nfc_llc_engine {
28*4882a593Smuzhiyun const char *name;
29*4882a593Smuzhiyun struct nfc_llc_ops *ops;
30*4882a593Smuzhiyun struct list_head entry;
31*4882a593Smuzhiyun };
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun struct nfc_llc {
34*4882a593Smuzhiyun void *data;
35*4882a593Smuzhiyun struct nfc_llc_ops *ops;
36*4882a593Smuzhiyun int rx_headroom;
37*4882a593Smuzhiyun int rx_tailroom;
38*4882a593Smuzhiyun };
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun void *nfc_llc_get_data(struct nfc_llc *llc);
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun int nfc_llc_register(const char *name, struct nfc_llc_ops *ops);
43*4882a593Smuzhiyun void nfc_llc_unregister(const char *name);
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun int nfc_llc_nop_register(void);
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun #if defined(CONFIG_NFC_SHDLC)
48*4882a593Smuzhiyun int nfc_llc_shdlc_register(void);
49*4882a593Smuzhiyun #else
nfc_llc_shdlc_register(void)50*4882a593Smuzhiyun static inline int nfc_llc_shdlc_register(void)
51*4882a593Smuzhiyun {
52*4882a593Smuzhiyun return 0;
53*4882a593Smuzhiyun }
54*4882a593Smuzhiyun #endif
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun #endif /* __LOCAL_LLC_H_ */
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