CTL_AUTO_RELEASE  109 drivers/net/ethernet/smsc/smc9194.h #define CTL_AUTO_RELEASE	0x0800
CTL_AUTO_RELEASE  198 drivers/net/ethernet/smsc/smc91c92_cs.c #define  CTL_AUTO_RELEASE	0x0800
CTL_AUTO_RELEASE  611 drivers/net/ethernet/smsc/smc91x.h #define CTL_AUTO_RELEASE 0x0800 // When 1 tx pages are released automatically