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Commit 865f3b2b authored by Stephen Hemminger's avatar Stephen Hemminger Committed by Jeff Garzik
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[PATCH] sk98lin: MII ioctl support 



Add MII ioctl support to the deprecated sk98lin driver.
This allows comparison with skge driver's PHY settings.

Signed-off-by: default avatarStephen Hemminger <shemminger@osdl.org>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 24b46a0f

drivers/net/sk98lin/skge.c

+54 −0
Original line number Diff line number Diff line
@@ -113,6 +113,7 @@ 
#include	<linux/init.h>

#include	<linux/dma-mapping.h>

#include	<linux/ip.h>

#include	<linux/mii.h>



#include	"h/skdrv1st.h"

#include	"h/skdrv2nd.h"
@@ -2843,6 +2844,56 @@ unsigned long Flags; /* for spin lock */ 
	return(&pAC->stats);

} /* SkGeStats */



/*

 * Basic MII register access

 */

static int SkGeMiiIoctl(struct net_device *dev,

			struct mii_ioctl_data *data, int cmd)

{

	DEV_NET *pNet = netdev_priv(dev);

	SK_AC *pAC = pNet->pAC;

	SK_IOC IoC = pAC->IoBase;

	int Port = pNet->PortNr;

	SK_GEPORT *pPrt = &pAC->GIni.GP[Port];

	unsigned long Flags;

	int err = 0;

	int reg = data->reg_num & 0x1f;

	SK_U16 val = data->val_in;



	if (!netif_running(dev))

		return -ENODEV;	/* Phy still in reset */



	spin_lock_irqsave(&pAC->SlowPathLock, Flags);

	switch(cmd) {

	case SIOCGMIIPHY:

		data->phy_id = pPrt->PhyAddr;



		/* fallthru */

	case SIOCGMIIREG:

		if (pAC->GIni.GIGenesis)

			SkXmPhyRead(pAC, IoC, Port, reg, &val);

		else

			SkGmPhyRead(pAC, IoC, Port, reg, &val);



		data->val_out = val;

		break;



	case SIOCSMIIREG:

		if (!capable(CAP_NET_ADMIN))

			err = -EPERM;



		else if (pAC->GIni.GIGenesis)

			SkXmPhyWrite(pAC, IoC, Port, reg, val);

		else

			SkGmPhyWrite(pAC, IoC, Port, reg, val);

		break;

	default:

		err = -EOPNOTSUPP;

	}

        spin_unlock_irqrestore(&pAC->SlowPathLock, Flags);

	return err;

}





/*****************************************************************************

 *
@@ -2876,6 +2927,9 @@ int HeaderLength = sizeof(SK_U32) + sizeof(SK_U32); 
	pNet = netdev_priv(dev);

	pAC = pNet->pAC;

	

	if (cmd == SIOCGMIIPHY || cmd == SIOCSMIIREG || cmd == SIOCGMIIREG)

	    return SkGeMiiIoctl(dev, if_mii(rq), cmd);



	if(copy_from_user(&Ioctl, rq->ifr_data, sizeof(SK_GE_IOCTL))) {

		return -EFAULT;

	}