1 /* 2 * Link Layer Control manager public interface 3 * 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/>. 17 */ 18 19 #ifndef __NFC_LLC_H_ 20 #define __NFC_LLC_H_ 21 22 #include <net/nfc/hci.h> 23 #include <linux/skbuff.h> 24 25 #define LLC_NOP_NAME "nop" 26 #define LLC_SHDLC_NAME "shdlc" 27 28 typedef void (*rcv_to_hci_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb); 29 typedef int (*xmit_to_drv_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb); 30 typedef void (*llc_failure_t) (struct nfc_hci_dev *hdev, int err); 31 32 struct nfc_llc; 33 34 struct nfc_llc *nfc_llc_allocate(const char *name, struct nfc_hci_dev *hdev, 35 xmit_to_drv_t xmit_to_drv, 36 rcv_to_hci_t rcv_to_hci, int tx_headroom, 37 int tx_tailroom, llc_failure_t llc_failure); 38 void nfc_llc_free(struct nfc_llc *llc); 39 40 void nfc_llc_get_rx_head_tail_room(struct nfc_llc *llc, int *rx_headroom, 41 int *rx_tailroom); 42 43 44 int nfc_llc_start(struct nfc_llc *llc); 45 int nfc_llc_stop(struct nfc_llc *llc); 46 void nfc_llc_rcv_from_drv(struct nfc_llc *llc, struct sk_buff *skb); 47 int nfc_llc_xmit_from_hci(struct nfc_llc *llc, struct sk_buff *skb); 48 49 int nfc_llc_init(void); 50 void nfc_llc_exit(void); 51 52 #endif /* __NFC_LLC_H_ */ 53