/******************************************************************************
* Local function to check if the eeprom signature is good
* If the eeprom signature is good, calls ixgb)get_eeprom_data.
*
* hw - Struct containing variables accessed by shared code
*
* Returns:
* true: eeprom signature was good and the eeprom read was successful
* false: otherwise.
******************************************************************************/
static bool
ixgb_check_and_get_eeprom_data (struct ixgb_hw* hw)
{
struct ixgb_ee_map_type *ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
if ((ee_map->init_ctrl_reg_1 & cpu_to_le16(EEPROM_ICW1_SIGNATURE_MASK))
== cpu_to_le16(EEPROM_ICW1_SIGNATURE_VALID)) {
return true;
} else {
return ixgb_get_eeprom_data(hw);
}
}
static int
ixgb_ethtool_geeprom(struct net_device *dev,
struct ethtool_eeprom *eeprom, u8 *data)
{
struct ixgb_adapter *adapter = dev->priv;
struct ixgb_hw *hw = &adapter->hw;
eeprom->magic = hw->vendor_id | (hw->device_id << 16);
/* use our function to read the eeprom and update our cache */
ixgb_get_eeprom_data(hw);
memcpy(data, (char *)hw->eeprom + eeprom->offset, eeprom->len);
return 0;
}
