diff options
Diffstat (limited to 'net/nfc/hci/llc.h')
| -rw-r--r-- | net/nfc/hci/llc.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/net/nfc/hci/llc.h b/net/nfc/hci/llc.h new file mode 100644 index 0000000000..d66271d211 --- /dev/null +++ b/net/nfc/hci/llc.h @@ -0,0 +1,56 @@ +/* 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_ */ |