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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Link Layer Control manager
*
* Copyright (C) 2012 Intel Corporation. All rights reserved.
*/
#ifndef __LOCAL_LLC_H_
#define __LOCAL_LLC_H_
#include <net/nfc/hci.h>
#include <net/nfc/llc.h>
#include <linux/skbuff.h>
struct nfc_llc_ops {
void *(*init) (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, int *rx_headroom, int *rx_tailroom,
llc_failure_t llc_failure);
void (*deinit) (struct nfc_llc *llc);
int (*start) (struct nfc_llc *llc);
int (*stop) (struct nfc_llc *llc);
void (*rcv_from_drv) (struct nfc_llc *llc, struct sk_buff *skb);
int (*xmit_from_hci) (struct nfc_llc *llc, struct sk_buff *skb);
};
struct nfc_llc_engine {
const char *name;
const struct nfc_llc_ops *ops;
struct list_head entry;
};
struct nfc_llc {
void *data;
const struct nfc_llc_ops *ops;
int rx_headroom;
int rx_tailroom;
};
void *nfc_llc_get_data(struct nfc_llc *llc);
int nfc_llc_register(const char *name, const struct nfc_llc_ops *ops);
void nfc_llc_unregister(const char *name);
int nfc_llc_nop_register(void);
#if defined(CONFIG_NFC_SHDLC)
int nfc_llc_shdlc_register(void);
#else
static inline int nfc_llc_shdlc_register(void)
{
return 0;
}
#endif
#endif /* __LOCAL_LLC_H_ */
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