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-rw-r--r--include/linux/isdn/hdlc.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/isdn/hdlc.h b/include/linux/isdn/hdlc.h
index 8f3540c7f692..4b3ecc40889a 100644
--- a/include/linux/isdn/hdlc.h
+++ b/include/linux/isdn/hdlc.h
@@ -6,6 +6,7 @@
* controllers.
*
* Copyright (C)
+ * 2009 Karsten Keil <keil@b1-systems.de>
* 2002 Wolfgang Mües <wolfgang@iksw-muees.de>
* 2001 Frode Isaksen <fisaksen@bewan.com>
* 2001 Kai Germaschewski <kai.germaschewski@gmx.de>
@@ -50,8 +51,14 @@ struct isdnhdlc_vars {
u32 do_adapt56:1;
/* set if in closing phase (need to send CRC + flag) */
u32 do_closing:1;
+ /* set if data is bitreverse */
+ u32 do_bitreverse:1;
};
+/* Feature Flags */
+#define HDLC_56KBIT 0x01
+#define HDLC_DCHANNEL 0x02
+#define HDLC_BITREVERSE 0x04
/*
The return value from isdnhdlc_decode is
@@ -62,13 +69,12 @@ struct isdnhdlc_vars {
#define HDLC_CRC_ERROR 2
#define HDLC_LENGTH_ERROR 3
-extern void isdnhdlc_rcv_init(struct isdnhdlc_vars *hdlc, int do_adapt56);
+extern void isdnhdlc_rcv_init(struct isdnhdlc_vars *hdlc, u32 features);
extern int isdnhdlc_decode(struct isdnhdlc_vars *hdlc, const u8 *src,
int slen, int *count, u8 *dst, int dsize);
-extern void isdnhdlc_out_init(struct isdnhdlc_vars *hdlc, int is_d_channel,
- int do_adapt56);
+extern void isdnhdlc_out_init(struct isdnhdlc_vars *hdlc, u32 features);
extern int isdnhdlc_encode(struct isdnhdlc_vars *hdlc, const u8 *src,
u16 slen, int *count, u8 *dst, int dsize);