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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/net/caif/cfsrvl.h
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/* SPDX-License-Identifier: GPL-2.0-only */

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/*

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 * Copyright (C) ST-Ericsson AB 2010

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 * Author:	Sjur Brendeland

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 */

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#ifndef CFSRVL_H_

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#define CFSRVL_H_

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#include <linux/list.h>

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#include <linux/stddef.h>

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#include <linux/types.h>

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#include <linux/kref.h>

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#include <linux/rculist.h>

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struct cfsrvl {

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	struct cflayer layer;

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	bool open;

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	bool phy_flow_on;

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	bool modem_flow_on;

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	bool supports_flowctrl;

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	void (*release)(struct cflayer *layer);

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	struct dev_info dev_info;

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	void (*hold)(struct cflayer *lyr);

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	void (*put)(struct cflayer *lyr);

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	struct rcu_head rcu;

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};

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struct cflayer *cfvei_create(u8 linkid, struct dev_info *dev_info);

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struct cflayer *cfdgml_create(u8 linkid, struct dev_info *dev_info);

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struct cflayer *cfutill_create(u8 linkid, struct dev_info *dev_info);

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struct cflayer *cfvidl_create(u8 linkid, struct dev_info *dev_info);

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struct cflayer *cfrfml_create(u8 linkid, struct dev_info *dev_info,

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				int mtu_size);

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struct cflayer *cfdbgl_create(u8 linkid, struct dev_info *dev_info);

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bool cfsrvl_phyid_match(struct cflayer *layer, int phyid);

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void cfsrvl_init(struct cfsrvl *service,

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			u8 channel_id,

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			struct dev_info *dev_info,

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			bool supports_flowctrl);

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bool cfsrvl_ready(struct cfsrvl *service, int *err);

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static inline void cfsrvl_get(struct cflayer *layr)

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{

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	struct cfsrvl *s = container_of(layr, struct cfsrvl, layer);

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	if (layr == NULL || layr->up == NULL || s->hold == NULL)

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		return;

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	s->hold(layr->up);

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}

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static inline void cfsrvl_put(struct cflayer *layr)

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{

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	struct cfsrvl *s = container_of(layr, struct cfsrvl, layer);

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	if (layr == NULL || layr->up == NULL || s->hold == NULL)

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		return;

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	s->put(layr->up);

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}

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#endif				/* CFSRVL_H_ */

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