S_PORTSPEED
#define V_PORTSPEED(x) ((x) << S_PORTSPEED)
#define G_PORTSPEED(x) (((x) >> S_PORTSPEED) & M_PORTSPEED)
#define V_PORTSPEED(x) ((x) << S_PORTSPEED)
#define G_PORTSPEED(x) (((x) >> S_PORTSPEED) & M_PORTSPEED)