commit cb3cb423a0f3c627639535e5d87977ae662d779f
author sjur.brandeland@stericsson.com <sjur.brandeland@stericsson.com> Fri May 13 02:44:02 2011 +0000
committer David S. Miller <davem@davemloft.net> Sun May 15 17:45:55 2011 -0400
tree 37fae151f44b5549bf1d4fd437dd070315d78cad
parent f36214408470ecf6a052e76b72d05b2328b60fcf

caif: Add ref-count to framing layer

Introduce Per-cpu reference for lower part of CAIF Stack.
Before freeing payload is disabled, synchronize_rcu() is called,
and then ref-count verified to be zero.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/caif/cffrml.h

diff --git a/include/net/caif/cffrml.h b/include/net/caif/cffrml.h
index 4f126d7..afac1a4 100644
--- a/include/net/caif/cffrml.h
+++ b/include/net/caif/cffrml.h
@@ -7,12 +7,15 @@
 #ifndef CFFRML_H_
 #define CFFRML_H_
 #include <net/caif/caif_layer.h>
+#include <linux/netdevice.h>
 
 struct cffrml;
-struct cflayer *cffrml_create(u16 phyid, bool DoFCS);
+struct cflayer *cffrml_create(u16 phyid, bool use_fcs);
+void cffrml_free(struct cflayer *layr);
 void cffrml_set_uplayer(struct cflayer *this, struct cflayer *up);
 void cffrml_set_dnlayer(struct cflayer *this, struct cflayer *dn);
 void cffrml_put(struct cflayer *layr);
 void cffrml_hold(struct cflayer *layr);
+int cffrml_refcnt_read(struct cflayer *layr);
 
 #endif /* CFFRML_H_ */