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