53 строки
1.2 KiB
C
53 строки
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* NCI based Driver for STMicroelectronics NFC Chip
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*
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* Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved.
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*/
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#ifndef __LOCAL_NDLC_H_
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#define __LOCAL_NDLC_H_
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#include <linux/skbuff.h>
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#include <net/nfc/nfc.h>
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struct st_nci_se_status;
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/* Low Level Transport description */
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struct llt_ndlc {
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struct nci_dev *ndev;
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const struct nfc_phy_ops *ops;
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void *phy_id;
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struct timer_list t1_timer;
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bool t1_active;
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struct timer_list t2_timer;
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bool t2_active;
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struct sk_buff_head rcv_q;
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struct sk_buff_head send_q;
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struct sk_buff_head ack_pending_q;
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struct work_struct sm_work;
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struct device *dev;
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/*
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* < 0 if hardware error occurred
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* and prevents normal operation.
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*/
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int hard_fault;
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int powered;
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};
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int ndlc_open(struct llt_ndlc *ndlc);
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void ndlc_close(struct llt_ndlc *ndlc);
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int ndlc_send(struct llt_ndlc *ndlc, struct sk_buff *skb);
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void ndlc_recv(struct llt_ndlc *ndlc, struct sk_buff *skb);
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int ndlc_probe(void *phy_id, const struct nfc_phy_ops *phy_ops,
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struct device *dev, int phy_headroom, int phy_tailroom,
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struct llt_ndlc **ndlc_id, struct st_nci_se_status *se_status);
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void ndlc_remove(struct llt_ndlc *ndlc);
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#endif /* __LOCAL_NDLC_H__ */
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