linux-headers (unknown)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _LINUX_GSMMUX_H
3 #define _LINUX_GSMMUX_H
4
5 #include <linux/if.h>
6 #include <linux/ioctl.h>
7 #include <linux/types.h>
8
9 struct gsm_config
10 {
11 unsigned int adaption;
12 unsigned int encapsulation;
13 unsigned int initiator;
14 unsigned int t1;
15 unsigned int t2;
16 unsigned int t3;
17 unsigned int n2;
18 unsigned int mru;
19 unsigned int mtu;
20 unsigned int k;
21 unsigned int i;
22 unsigned int unused[8]; /* Can not be used */
23 };
24
25 #define GSMIOC_GETCONF _IOR('G', 0, struct gsm_config)
26 #define GSMIOC_SETCONF _IOW('G', 1, struct gsm_config)
27
28 struct gsm_netconfig {
29 unsigned int adaption; /* Adaption to use in network mode */
30 unsigned short protocol;/* Protocol to use - only ETH_P_IP supported */
31 unsigned short unused2; /* Can not be used */
32 char if_name[IFNAMSIZ]; /* interface name format string */
33 __u8 unused[28]; /* Can not be used */
34 };
35
36 #define GSMIOC_ENABLE_NET _IOW('G', 2, struct gsm_netconfig)
37 #define GSMIOC_DISABLE_NET _IO('G', 3)
38
39 /* get the base tty number for a configured gsmmux tty */
40 #define GSMIOC_GETFIRST _IOR('G', 4, __u32)
41
42 struct gsm_config_ext {
43 __u32 keep_alive; /* Control channel keep-alive in 1/100th of a
44 * second (0 to disable)
45 */
46 __u32 wait_config; /* Wait for DLCI config before opening virtual link? */
47 __u32 reserved[6]; /* For future use, must be initialized to zero */
48 };
49
50 #define GSMIOC_GETCONF_EXT _IOR('G', 5, struct gsm_config_ext)
51 #define GSMIOC_SETCONF_EXT _IOW('G', 6, struct gsm_config_ext)
52
53 /* Set channel accordingly before calling GSMIOC_GETCONF_DLCI. */
54 struct gsm_dlci_config {
55 __u32 channel; /* DLCI (0 for the associated DLCI) */
56 __u32 adaption; /* Convergence layer type */
57 __u32 mtu; /* Maximum transfer unit */
58 __u32 priority; /* Priority (0 for default value) */
59 __u32 i; /* Frame type (1 = UIH, 2 = UI) */
60 __u32 k; /* Window size (0 for default value) */
61 __u32 reserved[8]; /* For future use, must be initialized to zero */
62 };
63
64 #define GSMIOC_GETCONF_DLCI _IOWR('G', 7, struct gsm_dlci_config)
65 #define GSMIOC_SETCONF_DLCI _IOW('G', 8, struct gsm_dlci_config)
66
67 #endif
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