rx_2 188 drivers/misc/echo/echo.c ec->tx_1 = ec->tx_2 = ec->rx_1 = ec->rx_2 = 0; rx_2 234 drivers/misc/echo/echo.c ec->tx_1 = ec->tx_2 = ec->rx_1 = ec->rx_2 = 0; rx_2 308 drivers/misc/echo/echo.c ec->rx_1 += -(ec->rx_1 >> DC_LOG2BETA) + tmp - ec->rx_2; rx_2 321 drivers/misc/echo/echo.c ec->rx_2 = tmp; rx_2 158 drivers/misc/echo/echo.h int rx_2;