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igb: specify phc_index of 82575 for get_ts_info

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82575 has only software timestamping capability and it has
no PTP Hardware Clocks. Therefore, -1 has to be specified
to the phc_index for ethtool's get_ts_info, otherwise a wrong
value will be set to the phc_index.

v2: move the if (adapter->ptp_clock) section specifying phc_index
    to above the switch statement as suggested by Matthew Vick.
    adapter->ptpclock will always be NULL for 82575.

Signed-off-by: Ken ICHIKAWA <ichikawa.ken@jp.fujitsu.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Ken ICHIKAWA 2014-03-21 03:37:24 -07:00 committed by Jeff Kirsher
parent db41b87db9
commit 0f49da0e78
1 changed files with 5 additions and 5 deletions
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10
drivers/net/ethernet/intel/igb/igb_ethtool.c
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@ -2353,6 +2353,11 @@ static int igb_get_ts_info(struct net_device *dev,
{
struct igb_adapter *adapter = netdev_priv(dev);
if (adapter->ptp_clock)
info->phc_index = ptp_clock_index(adapter->ptp_clock);
else
info->phc_index = -1;
switch (adapter->hw.mac.type) {
case e1000_82575:
info->so_timestamping =
@ -2374,11 +2379,6 @@ static int igb_get_ts_info(struct net_device *dev,
SOF_TIMESTAMPING_RX_HARDWARE |
SOF_TIMESTAMPING_RAW_HARDWARE;
if (adapter->ptp_clock)
info->phc_index = ptp_clock_index(adapter->ptp_clock);
else
info->phc_index = -1;
info->tx_types =
(1 << HWTSTAMP_TX_OFF) |
(1 << HWTSTAMP_TX_ON);