void ethsw_phy_rw_reg(int phy_id, int reg, uint16 *data, int ext_bit, int rd)
{
int status;
if(rd)
{
status = ReadPHYReg(phy_id, reg, ext_bit);
if (status >= 0)
{
*data = (uint16)status;
}
else
{
printk("ERROR : ethsw_phy_read_reg(%d, %d, **)\n",phy_id,reg);
}
}
else
{
status = WritePHYReg(phy_id, reg, *data, ext_bit);
if (status < 0)
{
printk("ERROR : ethsw_phy_wreg(%d, %d, 0x%04x)\n",phy_id,reg,*data);
}
}
}
/******************************************************************************
* Function: BOOL MACIsLinked(void)
*
* PreCondition: None
*
* Input: None
*
* Output: TRUE: If the PHY reports that a link partner is present
* and the link has been up continuously since the last
* call to MACIsLinked()
* FALSE: If the PHY reports no link partner, or the link went
* down momentarily since the last call to MACIsLinked()
*
* Side Effects: None
*
* Overview: Returns the PHSTAT1.LLSTAT bit.
*
* Note: None
*****************************************************************************/
BOOL MACIsLinked(void) {
// LLSTAT is a latching low link status bit. Therefore, if the link
// goes down and comes back up before a higher level stack program calls
// MACIsLinked(), MACIsLinked() will still return FALSE. The next
// call to MACIsLinked() will return TRUE (unless the link goes down
// again).
return ReadPHYReg(PHSTAT1).PHSTAT1bits.LLSTAT;
}
