igb: check both function bits in status register in wol exception
The ethtool code for enabling Wake on Lan was not correctly checking the status register bits so as a result ports 0 and 2 were both being allowed to set WOL to enabled even though it is only supported on the first port for our adapters. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1795,7 +1795,7 @@ static int igb_wol_exclusion(struct igb_adapter *adapter,
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/* dual port cards only support WoL on port A from now on
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/* dual port cards only support WoL on port A from now on
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* unless it was enabled in the eeprom for port B
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* unless it was enabled in the eeprom for port B
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* so exclude FUNC_1 ports from having WoL enabled */
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* so exclude FUNC_1 ports from having WoL enabled */
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if (rd32(E1000_STATUS) & E1000_STATUS_FUNC_1 &&
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if ((rd32(E1000_STATUS) & E1000_STATUS_FUNC_MASK) &&
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!adapter->eeprom_wol) {
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!adapter->eeprom_wol) {
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wol->supported = 0;
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wol->supported = 0;
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break;
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break;
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