ethcontrol.c File Reference

Quark ethernetデバイスの制御機能。 More...

#include <xinu.h>

Include dependency graph for ethcontrol.c:

Go to the source code of this file.

Functions
devcall	ethcontrol (struct dentry *devptr, int32 func, int32 arg1, int32 arg2)

Detailed Description

Quark ethernetデバイスの制御機能。

Definition in file ethcontrol.c.

Function Documentation

ethcontrol()

devcall ethcontrol	(	struct dentry *	devptr,
		int32	func,
		int32	arg1,
		int32	arg2
	)

Definition at line 18 of file ethcontrol.c.

References ethcblk::devAddress, dentry::dvminor, ETH_ADDR_LEN, ETH_CTRL_GET_MAC, ethertab, memcpy(), OK, and SYSERR.

{
    struct ethcblk *ethptr; /* Ethertab entry pointer   */
    int32 retval = OK;      /* Return value of cntl function*/

    ethptr = &ethertab[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;
}

Here is the call graph for this function: