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authorSjur Braendeland <sjur.brandeland@stericsson.com>2010-04-28 08:54:36 +0000
committerDavid S. Miller <davem@davemloft.net>2010-04-28 12:55:12 -0700
commit5b2086567503f9b55136642031ec0067319f58e0 (patch)
tree00c4264ed7a8a989b398166c2c5f98175f5c28a5 /include/net/caif/cfsrvl.h
parente539d83cc8a4fa581cbf8ed288fdadb19a692cb0 (diff)
caif: Add reference counting to service layer
Changes: o Added functions cfsrvl_get and cfsrvl_put. o Added support release_client to use by socket and net device. o Increase reference counting for in-flight packets from cfmuxl Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/caif/cfsrvl.h')
-rw-r--r--include/net/caif/cfsrvl.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/net/caif/cfsrvl.h b/include/net/caif/cfsrvl.h
index b2a12db20cd2..2dc9eb193ecf 100644
--- a/include/net/caif/cfsrvl.h
+++ b/include/net/caif/cfsrvl.h
@@ -9,14 +9,18 @@
#include <linux/list.h>
#include <linux/stddef.h>
#include <linux/types.h>
+#include <linux/kref.h>
+
struct cfsrvl {
struct cflayer layer;
bool open;
bool phy_flow_on;
bool modem_flow_on;
struct dev_info dev_info;
+ struct kref ref;
};
+void cfsrvl_release(struct kref *kref);
struct cflayer *cfvei_create(u8 linkid, struct dev_info *dev_info);
struct cflayer *cfdgml_create(u8 linkid, struct dev_info *dev_info);
struct cflayer *cfutill_create(u8 linkid, struct dev_info *dev_info);
@@ -31,4 +35,22 @@ void cfsrvl_init(struct cfsrvl *service,
bool cfsrvl_ready(struct cfsrvl *service, int *err);
u8 cfsrvl_getphyid(struct cflayer *layer);
+static inline void cfsrvl_get(struct cflayer *layr)
+{
+ struct cfsrvl *s;
+ if (layr == NULL)
+ return;
+ s = container_of(layr, struct cfsrvl, layer);
+ kref_get(&s->ref);
+}
+
+static inline void cfsrvl_put(struct cflayer *layr)
+{
+ struct cfsrvl *s;
+ if (layr == NULL)
+ return;
+ s = container_of(layr, struct cfsrvl, layer);
+ kref_put(&s->ref, cfsrvl_release);
+}
+
#endif /* CFSRVL_H_ */