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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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2
drivers/net/ethernet/amd/xgbe/xgbe-drv.c
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@@ -361,6 +361,8 @@ void xgbe_get_all_hw_features(struct xgbe_prv_data *pdata)
memset(hw_feat, 0, sizeof(*hw_feat));
hw_feat->version = XGMAC_IOREAD(pdata, MAC_VR);
/* Hardware feature register 0 */
hw_feat->gmii = XGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, GMIISEL);
hw_feat->vlhash = XGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, VLHASH);