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| author | Bruce Allan <bruce.w.allan@intel.com> | 2011-09-30 08:07:00 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-10-06 22:44:13 -0700 |
| commit | b64e9dd5d04561c2cee7e9d9d70bd6d45cc01e7c (patch) | |
| tree | 75750b6bc69d99dc3c1d8eee5f124dbdf1f4beb4 /drivers/net/ethernet/intel/e1000e | |
| parent | 0ef4eedc2e98edd51cd106e1f6a27178622b7e57 (diff) | |
| download | blackbird-op-linux-b64e9dd5d04561c2cee7e9d9d70bd6d45cc01e7c.tar.gz blackbird-op-linux-b64e9dd5d04561c2cee7e9d9d70bd6d45cc01e7c.zip | |
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/net/ethernet/intel/e1000e')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/ich8lan.c | 2 |
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); |
