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-rw-r--r--include/linux/tty.h22
1 files changed, 21 insertions, 1 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 0161a8c6dbf..8427c9e98e6 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -24,7 +24,27 @@
#define NR_PTYS CONFIG_LEGACY_PTY_COUNT /* Number of legacy ptys */
#define NR_UNIX98_PTY_DEFAULT 4096 /* Default maximum for Unix98 ptys */
#define NR_UNIX98_PTY_MAX (1 << MINORBITS) /* Absolute limit */
-#define NR_LDISCS 16
+#define NR_LDISCS 17
+
+/* line disciplines */
+#define N_TTY 0
+#define N_SLIP 1
+#define N_MOUSE 2
+#define N_PPP 3
+#define N_STRIP 4
+#define N_AX25 5
+#define N_X25 6 /* X.25 async */
+#define N_6PACK 7
+#define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */
+#define N_R3964 9 /* Reserved for Simatic R3964 module */
+#define N_PROFIBUS_FDL 10 /* Reserved for Profibus <Dave@mvhi.com> */
+#define N_IRDA 11 /* Linux IrDa - http://irda.sourceforge.net/ */
+#define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data */
+ /* cards about SMS messages */
+#define N_HDLC 13 /* synchronous HDLC */
+#define N_SYNC_PPP 14 /* synchronous PPP */
+#define N_HCI 15 /* Bluetooth HCI UART */
+#define N_GIGASET_M101 16 /* Siemens Gigaset M101 serial DECT adapter */
/*
* This character is the same as _POSIX_VDISABLE: it cannot be used as