forked from Minki/linux
4a61cd6687
This is used by HCI drivers such as the one for the pn544 which require communications between HCI and the chip to use shdlc. Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/*
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* Link Layer Control manager
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*
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* Copyright (C) 2012 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __LOCAL_LLC_H_
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#define __LOCAL_LLC_H_
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#include <net/nfc/hci.h>
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#include <net/nfc/llc.h>
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#include <linux/skbuff.h>
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struct nfc_llc_ops {
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void *(*init) (struct nfc_hci_dev *hdev, xmit_to_drv_t xmit_to_drv,
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rcv_to_hci_t rcv_to_hci, int tx_headroom,
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int tx_tailroom, int *rx_headroom, int *rx_tailroom,
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llc_failure_t llc_failure);
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void (*deinit) (struct nfc_llc *llc);
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int (*start) (struct nfc_llc *llc);
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int (*stop) (struct nfc_llc *llc);
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void (*rcv_from_drv) (struct nfc_llc *llc, struct sk_buff *skb);
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int (*xmit_from_hci) (struct nfc_llc *llc, struct sk_buff *skb);
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};
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struct nfc_llc_engine {
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const char *name;
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struct nfc_llc_ops *ops;
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struct list_head entry;
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};
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struct nfc_llc {
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void *data;
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struct nfc_llc_ops *ops;
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int rx_headroom;
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int rx_tailroom;
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};
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void *nfc_llc_get_data(struct nfc_llc *llc);
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int nfc_llc_register(const char *name, struct nfc_llc_ops *ops);
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void nfc_llc_unregister(const char *name);
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int nfc_llc_nop_register(void);
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int nfc_llc_shdlc_register(void);
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#endif /* __LOCAL_LLC_H_ */
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