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
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