mISDN: Added layer-1-hold feature

Add IMHOLD_L1 ioctl.
The feature will be disabled on closing.

Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/mISDNif.h b/include/linux/mISDNif.h
index cf974593a99e..0b28fd1e3938 100644
--- a/include/linux/mISDNif.h
+++ b/include/linux/mISDNif.h
@@ -229,6 +229,7 @@
 #define OPTION_L2_PTP           2
 #define OPTION_L2_FIXEDTEI      3
 #define OPTION_L2_CLEANUP       4
+#define OPTION_L1_HOLD          5
 
 /* should be in sync with linux/kobject.h:KOBJ_NAME_LEN */
 #define MISDN_MAX_IDLEN         20
@@ -317,6 +318,7 @@ struct ph_info {
 #define IMCTRLREQ       _IOR('I', 69, int)
 #define IMCLEAR_L2      _IOR('I', 70, int)
 #define IMSETDEVNAME    _IOR('I', 71, struct mISDN_devrename)
+#define IMHOLD_L1       _IOR('I', 72, int)
 
 static inline int
 test_channelmap(u_int nr, u_char *map)