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authorBruce Allan <bruce.w.allan@intel.com>2011-09-30 08:07:00 +0000
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-10-06 22:44:13 -0700
commitb64e9dd5d04561c2cee7e9d9d70bd6d45cc01e7c (patch)
tree75750b6bc69d99dc3c1d8eee5f124dbdf1f4beb4 /drivers
parent0ef4eedc2e98edd51cd106e1f6a27178622b7e57 (diff)
downloadlinux-linaro-stable-b64e9dd5d04561c2cee7e9d9d70bd6d45cc01e7c.tar.gz
e1000e: bad short packets received when jumbos enabled on 82579
When short packets are received with jumbos enabled on 82579, they can be interpreted to have a receive address that does not match any configured address. This is due to a hardware bug that can be worked around by reducing the number of IPG octets added when the packet is transferred from the PHY to the MAC. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/intel/e1000e/ich8lan.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index ad34de086ee1..4f709749dbce 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -1578,7 +1578,7 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
ret_val = e1e_wphy(hw, PHY_REG(776, 20), data);
if (ret_val)
goto out;
- ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0xFE00);
+ ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0xF100);
if (ret_val)
goto out;
e1e_rphy(hw, HV_PM_CTRL, &data);