xref: /OK3568_Linux_fs/kernel/include/net/nfc/llc.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Link Layer Control manager public interface
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2012  Intel Corporation. All rights reserved.
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef __NFC_LLC_H_
9*4882a593Smuzhiyun #define __NFC_LLC_H_
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <net/nfc/hci.h>
12*4882a593Smuzhiyun #include <linux/skbuff.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #define LLC_NOP_NAME "nop"
15*4882a593Smuzhiyun #define LLC_SHDLC_NAME "shdlc"
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun typedef void (*rcv_to_hci_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
18*4882a593Smuzhiyun typedef int (*xmit_to_drv_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
19*4882a593Smuzhiyun typedef void (*llc_failure_t) (struct nfc_hci_dev *hdev, int err);
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun struct nfc_llc;
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun struct nfc_llc *nfc_llc_allocate(const char *name, struct nfc_hci_dev *hdev,
24*4882a593Smuzhiyun 				 xmit_to_drv_t xmit_to_drv,
25*4882a593Smuzhiyun 				 rcv_to_hci_t rcv_to_hci, int tx_headroom,
26*4882a593Smuzhiyun 				 int tx_tailroom, llc_failure_t llc_failure);
27*4882a593Smuzhiyun void nfc_llc_free(struct nfc_llc *llc);
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun int nfc_llc_start(struct nfc_llc *llc);
30*4882a593Smuzhiyun int nfc_llc_stop(struct nfc_llc *llc);
31*4882a593Smuzhiyun void nfc_llc_rcv_from_drv(struct nfc_llc *llc, struct sk_buff *skb);
32*4882a593Smuzhiyun int nfc_llc_xmit_from_hci(struct nfc_llc *llc, struct sk_buff *skb);
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun int nfc_llc_init(void);
35*4882a593Smuzhiyun void nfc_llc_exit(void);
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun #endif /* __NFC_LLC_H_ */
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