SOCK_IOC_TYPE 3056 drivers/net/tun.c (_IOC_TYPE(cmd) == SOCK_IOC_TYPE && cmd != SIOCGSKNS)) { SOCK_IOC_TYPE 36 include/uapi/linux/sockios.h #define SIOCGSTAMP_NEW _IOR(SOCK_IOC_TYPE, 0x06, long long[2]) SOCK_IOC_TYPE 38 include/uapi/linux/sockios.h #define SIOCGSTAMPNS_NEW _IOR(SOCK_IOC_TYPE, 0x07, long long[2])