/* ethcontrol.c - ethcontrol */ #include /*------------------------------------------------------------------------ * ethcontrol - implement control function for a quark ethernet device *------------------------------------------------------------------------ */ devcall ethcontrol ( struct dentry *devptr, /* entry in device switch table */ int32 func, /* control function */ int32 arg1, /* argument 1, if needed */ int32 arg2 /* argument 2, if needed */ ) { struct ethcblk *ethptr; /* Ethertab entry pointer */ int32 retval = OK; /* Return value of cntl function*/ ethptr = ðertab[devptr->dvminor]; switch (func) { /* Get MAC address */ case ETH_CTRL_GET_MAC: memcpy((byte *)arg1, ethptr->devAddress, ETH_ADDR_LEN); break; default: return SYSERR; } return retval; }