RCR_RXFTH_SHIFT 296 uspace/drv/nic/rtl8139/defs.h RCR_RXFTH_SHIFT = 13, RCR_RXFTH_SHIFT 220 uspace/drv/nic/rtl8169/defs.h RCR_RXFTH_SHIFT = 13, /**< Rx FIFO treshold part shitf */