Thomas Gleixner | 46fe777 | 2019-05-31 01:09:57 -0700 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Eric Lapuyade | 67cccfe | 2012-09-13 17:10:00 +0200 | [diff] [blame] | 2 | /* |
| 3 | * Link Layer Control manager |
| 4 | * |
| 5 | * Copyright (C) 2012 Intel Corporation. All rights reserved. |
Eric Lapuyade | 67cccfe | 2012-09-13 17:10:00 +0200 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #ifndef __LOCAL_LLC_H_ |
| 9 | #define __LOCAL_LLC_H_ |
| 10 | |
| 11 | #include <net/nfc/hci.h> |
| 12 | #include <net/nfc/llc.h> |
| 13 | #include <linux/skbuff.h> |
| 14 | |
| 15 | struct nfc_llc_ops { |
| 16 | void *(*init) (struct nfc_hci_dev *hdev, xmit_to_drv_t xmit_to_drv, |
| 17 | rcv_to_hci_t rcv_to_hci, int tx_headroom, |
| 18 | int tx_tailroom, int *rx_headroom, int *rx_tailroom, |
| 19 | llc_failure_t llc_failure); |
| 20 | void (*deinit) (struct nfc_llc *llc); |
| 21 | int (*start) (struct nfc_llc *llc); |
| 22 | int (*stop) (struct nfc_llc *llc); |
| 23 | void (*rcv_from_drv) (struct nfc_llc *llc, struct sk_buff *skb); |
| 24 | int (*xmit_from_hci) (struct nfc_llc *llc, struct sk_buff *skb); |
| 25 | }; |
| 26 | |
| 27 | struct nfc_llc_engine { |
| 28 | const char *name; |
| 29 | struct nfc_llc_ops *ops; |
| 30 | struct list_head entry; |
| 31 | }; |
| 32 | |
| 33 | struct nfc_llc { |
| 34 | void *data; |
| 35 | struct nfc_llc_ops *ops; |
| 36 | int rx_headroom; |
| 37 | int rx_tailroom; |
| 38 | }; |
| 39 | |
| 40 | void *nfc_llc_get_data(struct nfc_llc *llc); |
| 41 | |
| 42 | int nfc_llc_register(const char *name, struct nfc_llc_ops *ops); |
| 43 | void nfc_llc_unregister(const char *name); |
| 44 | |
Eric Lapuyade | 8af00d4 | 2012-09-13 17:10:48 +0200 | [diff] [blame] | 45 | int nfc_llc_nop_register(void); |
John W. Linville | 8a14e8b | 2012-09-26 13:30:16 -0400 | [diff] [blame] | 46 | |
| 47 | #if defined(CONFIG_NFC_SHDLC) |
Eric Lapuyade | 4a61cd6 | 2012-09-13 17:11:37 +0200 | [diff] [blame] | 48 | int nfc_llc_shdlc_register(void); |
John W. Linville | 8a14e8b | 2012-09-26 13:30:16 -0400 | [diff] [blame] | 49 | #else |
| 50 | static inline int nfc_llc_shdlc_register(void) |
| 51 | { |
| 52 | return 0; |
| 53 | } |
| 54 | #endif |
Eric Lapuyade | 8af00d4 | 2012-09-13 17:10:48 +0200 | [diff] [blame] | 55 | |
Eric Lapuyade | 67cccfe | 2012-09-13 17:10:00 +0200 | [diff] [blame] | 56 | #endif /* __LOCAL_LLC_H_ */ |