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, write to the
  17 * Free Software Foundation, Inc.,
  18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19 */
  20
  21#ifndef __NFC_LLC_H_
  22#define __NFC_LLC_H_
  23
  24#include <net/nfc/hci.h>
  25#include <linux/skbuff.h>
  26
  27#define LLC_NOP_NAME "nop"
  28#define LLC_SHDLC_NAME "shdlc"
  29
  30typedef void (*rcv_to_hci_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
  31typedef int (*xmit_to_drv_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
  32typedef void (*llc_failure_t) (struct nfc_hci_dev *hdev, int err);
  33
  34struct nfc_llc;
  35
  36struct nfc_llc *nfc_llc_allocate(const char *name, struct nfc_hci_dev *hdev,
  37                                 xmit_to_drv_t xmit_to_drv,
  38                                 rcv_to_hci_t rcv_to_hci, int tx_headroom,
  39                                 int tx_tailroom, llc_failure_t llc_failure);
  40void nfc_llc_free(struct nfc_llc *llc);
  41
  42void nfc_llc_get_rx_head_tail_room(struct nfc_llc *llc, int *rx_headroom,
  43                                   int *rx_tailroom);
  44
  45
  46int nfc_llc_start(struct nfc_llc *llc);
  47int nfc_llc_stop(struct nfc_llc *llc);
  48void nfc_llc_rcv_from_drv(struct nfc_llc *llc, struct sk_buff *skb);
  49int nfc_llc_xmit_from_hci(struct nfc_llc *llc, struct sk_buff *skb);
  50
  51int nfc_llc_init(void);
  52void nfc_llc_exit(void);
  53
  54#endif /* __NFC_LLC_H_ */
  55