IOCTL_DCBX_SET_DCBX_MODE
IOCTL_DCBX_SET_DCBX_MODE *dcbx_mode;
sizeof (IOCTL_DCBX_SET_DCBX_MODE);
dcbx_mode = (IOCTL_DCBX_SET_DCBX_MODE *)&mb->un.varSLIConfig.payload;
sizeof (IOCTL_DCBX_SET_DCBX_MODE);
IOCTL_DCBX_SET_DCBX_MODE SetDCBX;