mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 04:34:11 +08:00
a7b121b4b8
Guessing the first tty for a gsm0710 multiplexed serial device is not currently possible, which makes it racy to use with multiple modems. Add a way to map the physical serial tty to its related mux devices using an ioctl. Signed-off-by: Martin Hundebøll <martin@geanix.com> Link: https://lore.kernel.org/r/20190812211243.98686-1-martin@geanix.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
|
#ifndef _LINUX_GSMMUX_H
|
|
#define _LINUX_GSMMUX_H
|
|
|
|
#include <linux/if.h>
|
|
#include <linux/ioctl.h>
|
|
#include <linux/types.h>
|
|
|
|
struct gsm_config
|
|
{
|
|
unsigned int adaption;
|
|
unsigned int encapsulation;
|
|
unsigned int initiator;
|
|
unsigned int t1;
|
|
unsigned int t2;
|
|
unsigned int t3;
|
|
unsigned int n2;
|
|
unsigned int mru;
|
|
unsigned int mtu;
|
|
unsigned int k;
|
|
unsigned int i;
|
|
unsigned int unused[8]; /* Padding for expansion without
|
|
breaking stuff */
|
|
};
|
|
|
|
#define GSMIOC_GETCONF _IOR('G', 0, struct gsm_config)
|
|
#define GSMIOC_SETCONF _IOW('G', 1, struct gsm_config)
|
|
|
|
struct gsm_netconfig {
|
|
unsigned int adaption; /* Adaption to use in network mode */
|
|
unsigned short protocol;/* Protocol to use - only ETH_P_IP supported */
|
|
unsigned short unused2;
|
|
char if_name[IFNAMSIZ]; /* interface name format string */
|
|
__u8 unused[28]; /* For future use */
|
|
};
|
|
|
|
#define GSMIOC_ENABLE_NET _IOW('G', 2, struct gsm_netconfig)
|
|
#define GSMIOC_DISABLE_NET _IO('G', 3)
|
|
|
|
/* get the base tty number for a configured gsmmux tty */
|
|
#define GSMIOC_GETFIRST _IOR('G', 4, __u32)
|
|
|
|
#endif
|