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amd-xgbe: Check for Tx hardware queue flushing support

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The flushing of the Tx hardware queues is only supported at a certain
level of the hardware.  Retrieve the current version of the hardware
and use that to determine if flushing is supported.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lendacky, Thomas
2014-08-29 13:16:50 -05:00
committed by David S. Miller
parent e148e1bf6f
commit a9a4a2d9d6
4 changed files with 12 additions and 3 deletions
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7
drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
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@@ -361,15 +361,16 @@ static void xgbe_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *drvinfo)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
struct xgbe_hw_features *hw_feat = &pdata->hw_feat;
strlcpy(drvinfo->driver, XGBE_DRV_NAME, sizeof(drvinfo->driver));
strlcpy(drvinfo->version, XGBE_DRV_VERSION, sizeof(drvinfo->version));
strlcpy(drvinfo->bus_info, dev_name(pdata->dev),
sizeof(drvinfo->bus_info));
snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d.%d.%d",
XGMAC_IOREAD_BITS(pdata, MAC_VR, USERVER),
XGMAC_IOREAD_BITS(pdata, MAC_VR, DEVID),
XGMAC_IOREAD_BITS(pdata, MAC_VR, SNPSVER));
XGMAC_GET_BITS(hw_feat->version, MAC_VR, USERVER),
XGMAC_GET_BITS(hw_feat->version, MAC_VR, DEVID),
XGMAC_GET_BITS(hw_feat->version, MAC_VR, SNPSVER));
drvinfo->n_stats = XGBE_STATS_COUNT;
}