43e3692101
Instead of having reference counts in caif service layers, we hook into existing refcount handling in socket layer and netdevice. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/*
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* Copyright (C) ST-Ericsson AB 2010
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* Author: Sjur Brendeland/sjur.brandeland@stericsson.com
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* License terms: GNU General Public License (GPL) version 2
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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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void cfsrvl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
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int phyid);
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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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u8 cfsrvl_getphyid(struct cflayer *layer);
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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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