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 reserved[7]; /* For future use, must be initialized to zero */ 47 }; 48 49 #define GSMIOC_GETCONF_EXT _IOR('G', 5, struct gsm_config_ext) 50 #define GSMIOC_SETCONF_EXT _IOW('G', 6, struct gsm_config_ext) 51 52 #endif 53