include/net/nfc/llc.h

   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_ */