diff options
Diffstat (limited to 'src/tun.h')
| -rw-r--r-- | src/tun.h | 32 |
1 files changed, 32 insertions, 0 deletions
@@ -35,6 +35,38 @@ #ifndef _TUN_H_ #define _TUN_H_ +#include <stdlib.h> +typedef unsigned char u_int8_t; +typedef unsigned short int u_int16_t; +typedef unsigned int u_int32_t; + + +enum device_type_enum { TYPE_UNDEF, TYPE_TUN, TYPE_TAP }; +typedef enum device_type_enum device_type_t; + +struct tun_device_struct { + int fd_; + unsigned int with_pi_; + char* actual_name_; + device_type_t type_; + u_int16_t mtu_; + char* local_; + char* remote_netmask_; +}; +typedef struct tun_device_struct tun_device_t; + +void tun_init(tun_device_t** dev, const char* dev_name, const char* dev_type, const char* ifcfg_lp, const char* ifcfg_rnmp); +void tun_init_post(tun_device_t* dev); +void tun_do_ifconfig(tun_device_t* dev); +void tun_close(tun_device_t** dev); + +int tun_read(tun_device_t* dev, u_int8_t* buf, u_int32_t len); +int tun_write(tun_device_t* dev, u_int8_t* buf, u_int32_t len); + +// in tun_helper.h +void tun_conf(tun_device_t* dev, const char* dev_name, const char* dev_type, const char* ifcfg_lp, const char* ifcfg_rnmp, u_int16_t mtu); +int tun_fix_return(int ret, size_t pi_length); +const char* tun_get_type_string(tun_device_t* dev); #endif |