|  | #ifndef _LINUX_GSMMUX_H | 
|  | #define _LINUX_GSMMUX_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) | 
|  |  | 
|  |  | 
|  | #endif |