diff options
Diffstat (limited to 'drivers/net/sk98lin/skge.c')
| -rw-r--r-- | drivers/net/sk98lin/skge.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c index d4913c3de2a..a5d41ebc9fb 100644 --- a/drivers/net/sk98lin/skge.c +++ b/drivers/net/sk98lin/skge.c @@ -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; } |