LXR linux/include/net/nfc/llc.h

   1/*
   2 * Link Layer Control manager public interface
   3 *
   4 * Copyright (C) 2012  Intel Corporation. All rights reserved.
   5 *
   6 * This program is free software; you can redistribute it and/or modify it
   7 * under the terms and conditions of the GNU General Public License,
   8 * version 2, as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19#ifndef __NFC_LLC_H_
  20#define __NFC_LLC_H_
  21
  22#include <net/nfc/hci.h>
  23#include <linux/skbuff.h>
  24
  25#define LLC_NOP_NAME "nop"
  26#define LLC_SHDLC_NAME "shdlc"
  27
  28typedef void (*rcv_to_hci_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
  29typedef int (*xmit_to_drv_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
  30typedef void (*llc_failure_t) (struct nfc_hci_dev *hdev, int err);
  31
  32struct nfc_llc;
  33
  34struct nfc_llc *nfc_llc_allocate(const char *name, struct nfc_hci_dev *hdev,
  35                                 xmit_to_drv_t xmit_to_drv,
  36                                 rcv_to_hci_t rcv_to_hci, int tx_headroom,
  37                                 int tx_tailroom, llc_failure_t llc_failure);
  38void nfc_llc_free(struct nfc_llc *llc);
  39
  40void nfc_llc_get_rx_head_tail_room(struct nfc_llc *llc, int *rx_headroom,
  41                                   int *rx_tailroom);
  42
  43
  44int nfc_llc_start(struct nfc_llc *llc);
  45int nfc_llc_stop(struct nfc_llc *llc);
  46void nfc_llc_rcv_from_drv(struct nfc_llc *llc, struct sk_buff *skb);
  47int nfc_llc_xmit_from_hci(struct nfc_llc *llc, struct sk_buff *skb);
  48
  49int nfc_llc_init(void);
  50void nfc_llc_exit(void);
  51
  52#endif /* __NFC_LLC_H_ */
  53