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net-caif-driver: add CAIF serial driver (ldisc)

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Add CAIF Serial driver. This driver is implemented as a line discipline.

caif_serial uses the following module parameters:
ser_use_stx - specifies if STart of frame eXtension is in use.
ser_loop    - sets the interface in loopback mode.

Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sjur Braendeland
2010-03-30 13:56:30 +00:00
committed by David S. Miller
parent edc7616c30
commit 9b27105b4a
6 changed files with 475 additions and 2 deletions
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4
include/linux/tty.h
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@@ -23,7 +23,7 @@
*/
#define NR_UNIX98_PTY_DEFAULT 4096 /* Default maximum for Unix98 ptys */
#define NR_UNIX98_PTY_MAX (1 << MINORBITS) /* Absolute limit */
#define NR_LDISCS 20
#define NR_LDISCS 21
/* line disciplines */
#define N_TTY 0
@@ -46,8 +46,8 @@
#define N_GIGASET_M101 16 /* Siemens Gigaset M101 serial DECT adapter */
#define N_SLCAN 17 /* Serial / USB serial CAN Adaptors */
#define N_PPS 18 /* Pulse per Second */
#define N_V253 19 /* Codec control over voice modem */
#define N_CAIF 20 /* CAIF protocol for talking to modems */
/*
* This character is the same as _POSIX_VDISABLE: it cannot be used as