All 1G Server products need to have IPv6 extension headers turned off.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu at intel.com>
---
drivers/net/e1000/base/e1000_82575.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/net/e1000/base/e1000_82575.c
b/drivers/net/e1000/base/e1000_82575.c
index 511636a..e170353 100644
--- a/drivers/net/e1000/base/e1000_82575.c
+++ b/drivers/net/e1000/base/e1000_82575.c
@@ -2125,7 +2125,7 @@ STATIC void e1000_clear_hw_cntrs_82575(struct e1000_hw
*hw)
* e1000_rx_fifo_flush_82575 - Clean rx fifo after Rx enable
* @hw: pointer to the HW structure
*
- * After rx enable if managability is enabled then there is likely some
+ * After Rx enable, if manageability is enabled then there is likely some
* bad data at the start of the fifo and possibly in the DMA fifo. This
* function clears the fifos and flushes any packets that came in as rx was
* being enabled.
@@ -2135,7 +2135,13 @@ void e1000_rx_fifo_flush_82575(struct e1000_hw *hw)
u32 rctl, rlpml, rxdctl[4], rfctl, temp_rctl, rx_enabled;
int i, ms_wait;
- DEBUGFUNC("e1000_rx_fifo_workaround_82575");
+ DEBUGFUNC("e1000_rx_fifo_flush_82575");
+
+ /* disable IPv6 options as per hardware errata */
+ rfctl = E1000_READ_REG(hw, E1000_RFCTL);
+ rfctl |= E1000_RFCTL_IPV6_EX_DIS;
+ E1000_WRITE_REG(hw, E1000_RFCTL, rfctl);
+
if (hw->mac.type != e1000_82575 ||
!(E1000_READ_REG(hw, E1000_MANC) & E1000_MANC_RCV_TCO_EN))
return;
@@ -2163,7 +2169,6 @@ void e1000_rx_fifo_flush_82575(struct e1000_hw *hw)
* incoming packets are rejected. Set enable and wait 2ms so that
* any packet that was coming in as RCTL.EN was set is flushed
*/
- rfctl = E1000_READ_REG(hw, E1000_RFCTL);
E1000_WRITE_REG(hw, E1000_RFCTL, rfctl & ~E1000_RFCTL_LEF);
rlpml = E1000_READ_REG(hw, E1000_RLPML);
--
1.9.3
