include/net/nfc/llc.h

/*
 * Link Layer Control manager public interface
 *
 * Copyright (C) 2012  Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __NFC_LLC_H_
#define __NFC_LLC_H_

#include <net/nfc/hci.h>
#include <linux/skbuff.h>

#define LLC_NOP_NAME "nop"
#define LLC_SHDLC_NAME "shdlc"

typedef void (*rcv_to_hci_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
typedef int (*xmit_to_drv_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
typedef void (*llc_failure_t) (struct nfc_hci_dev *hdev, int err);

struct nfc_llc;

struct nfc_llc *nfc_llc_allocate(const char *name, struct nfc_hci_dev *hdev,
				 xmit_to_drv_t xmit_to_drv,
				 rcv_to_hci_t rcv_to_hci, int tx_headroom,
				 int tx_tailroom, llc_failure_t llc_failure);
void nfc_llc_free(struct nfc_llc *llc);

void nfc_llc_get_rx_head_tail_room(struct nfc_llc *llc, int *rx_headroom,
				   int *rx_tailroom);


int nfc_llc_start(struct nfc_llc *llc);
int nfc_llc_stop(struct nfc_llc *llc);
void nfc_llc_rcv_from_drv(struct nfc_llc *llc, struct sk_buff *skb);
int nfc_llc_xmit_from_hci(struct nfc_llc *llc, struct sk_buff *skb);

int nfc_llc_init(void);
void nfc_llc_exit(void);

#endif /* __NFC_LLC_H_ */