1 /* SPDX-License-Identifier: GPL-2.0-only */ << 2 /* 1 /* 3 * Link Layer Control manager 2 * Link Layer Control manager 4 * 3 * 5 * Copyright (C) 2012 Intel Corporation. All 4 * Copyright (C) 2012 Intel Corporation. All rights reserved. >> 5 * >> 6 * This program is free software; you can redistribute it and/or modify it >> 7 * under the terms and conditions of the GNU General Public License, >> 8 * version 2, as published by the Free Software Foundation. >> 9 * >> 10 * This program is distributed in the hope that it will be useful, >> 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of >> 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the >> 13 * GNU General Public License for more details. >> 14 * >> 15 * You should have received a copy of the GNU General Public License >> 16 * along with this program; if not, see <http://www.gnu.org/licenses/>. 6 */ 17 */ 7 18 8 #ifndef __LOCAL_LLC_H_ 19 #ifndef __LOCAL_LLC_H_ 9 #define __LOCAL_LLC_H_ 20 #define __LOCAL_LLC_H_ 10 21 11 #include <net/nfc/hci.h> 22 #include <net/nfc/hci.h> 12 #include <net/nfc/llc.h> 23 #include <net/nfc/llc.h> 13 #include <linux/skbuff.h> 24 #include <linux/skbuff.h> 14 25 15 struct nfc_llc_ops { 26 struct nfc_llc_ops { 16 void *(*init) (struct nfc_hci_dev *hde 27 void *(*init) (struct nfc_hci_dev *hdev, xmit_to_drv_t xmit_to_drv, 17 rcv_to_hci_t rcv_to_hci 28 rcv_to_hci_t rcv_to_hci, int tx_headroom, 18 int tx_tailroom, int *r 29 int tx_tailroom, int *rx_headroom, int *rx_tailroom, 19 llc_failure_t llc_failu 30 llc_failure_t llc_failure); 20 void (*deinit) (struct nfc_llc *llc); 31 void (*deinit) (struct nfc_llc *llc); 21 int (*start) (struct nfc_llc *llc); 32 int (*start) (struct nfc_llc *llc); 22 int (*stop) (struct nfc_llc *llc); 33 int (*stop) (struct nfc_llc *llc); 23 void (*rcv_from_drv) (struct nfc_llc * 34 void (*rcv_from_drv) (struct nfc_llc *llc, struct sk_buff *skb); 24 int (*xmit_from_hci) (struct nfc_llc * 35 int (*xmit_from_hci) (struct nfc_llc *llc, struct sk_buff *skb); 25 }; 36 }; 26 37 27 struct nfc_llc_engine { 38 struct nfc_llc_engine { 28 const char *name; 39 const char *name; 29 const struct nfc_llc_ops *ops; !! 40 struct nfc_llc_ops *ops; 30 struct list_head entry; 41 struct list_head entry; 31 }; 42 }; 32 43 33 struct nfc_llc { 44 struct nfc_llc { 34 void *data; 45 void *data; 35 const struct nfc_llc_ops *ops; !! 46 struct nfc_llc_ops *ops; 36 int rx_headroom; 47 int rx_headroom; 37 int rx_tailroom; 48 int rx_tailroom; 38 }; 49 }; 39 50 40 void *nfc_llc_get_data(struct nfc_llc *llc); 51 void *nfc_llc_get_data(struct nfc_llc *llc); 41 52 42 int nfc_llc_register(const char *name, const s !! 53 int nfc_llc_register(const char *name, struct nfc_llc_ops *ops); 43 void nfc_llc_unregister(const char *name); 54 void nfc_llc_unregister(const char *name); 44 55 45 int nfc_llc_nop_register(void); 56 int nfc_llc_nop_register(void); 46 57 47 #if defined(CONFIG_NFC_SHDLC) 58 #if defined(CONFIG_NFC_SHDLC) 48 int nfc_llc_shdlc_register(void); 59 int nfc_llc_shdlc_register(void); 49 #else 60 #else 50 static inline int nfc_llc_shdlc_register(void) 61 static inline int nfc_llc_shdlc_register(void) 51 { 62 { 52 return 0; 63 return 0; 53 } 64 } 54 #endif 65 #endif 55 66 56 #endif /* __LOCAL_LLC_H_ */ 67 #endif /* __LOCAL_LLC_H_ */ 57 68
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