HelenOS sources

rtl8139_get_operation_mode  288 uspace/drv/nic/rtl8139/driver.c static errno_t rtl8139_get_operation_mode(ddf_fun_t *fun, int *speed,
rtl8139_get_operation_mode  321 uspace/drv/nic/rtl8139/driver.c 	.get_operation_mode = &rtl8139_get_operation_mode,
HelenOS homepage, sources at GitHub