1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Link Layer Control manager public interface
4  *
5  * Copyright (C) 2012  Intel Corporation. All rights reserved.
6  */
7 
8 #ifndef __NFC_LLC_H_
9 #define __NFC_LLC_H_
10 
11 #include <net/nfc/hci.h>
12 #include <linux/skbuff.h>
13 
14 #define LLC_NOP_NAME "nop"
15 #define LLC_SHDLC_NAME "shdlc"
16 
17 typedef void (*rcv_to_hci_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
18 typedef int (*xmit_to_drv_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
19 typedef void (*llc_failure_t) (struct nfc_hci_dev *hdev, int err);
20 
21 struct nfc_llc;
22 
23 struct nfc_llc *nfc_llc_allocate(const char *name, struct nfc_hci_dev *hdev,
24 				 xmit_to_drv_t xmit_to_drv,
25 				 rcv_to_hci_t rcv_to_hci, int tx_headroom,
26 				 int tx_tailroom, llc_failure_t llc_failure);
27 void nfc_llc_free(struct nfc_llc *llc);
28 
29 int nfc_llc_start(struct nfc_llc *llc);
30 int nfc_llc_stop(struct nfc_llc *llc);
31 void nfc_llc_rcv_from_drv(struct nfc_llc *llc, struct sk_buff *skb);
32 int nfc_llc_xmit_from_hci(struct nfc_llc *llc, struct sk_buff *skb);
33 
34 int nfc_llc_init(void);
35 void nfc_llc_exit(void);
36 
37 #endif /* __NFC_LLC_H_ */
38