e1000e: disable Early Receive DMA on ICH LOMs

Internal stress testing with jumbo frames shows the reliability of ICH9 and
ICH10D devices is improved in certain corner cases by disabling the Early
Receive feature. To reduce the performance impact caused by disabling this
feature, the packet buffer sizes and relevant flow control settings are
modified accordingly.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index 1b69c2d6b417..e446e0582503 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -4110,7 +4110,6 @@ const struct e1000_info e1000_ich9_info = {
                                   | FLAG_HAS_WOL
                                   | FLAG_HAS_CTRLEXT_ON_LOAD
                                   | FLAG_HAS_AMT
-                                  | FLAG_HAS_ERT
                                   | FLAG_HAS_FLASH
                                   | FLAG_APME_IN_WUC,
         .pba                    = 10,
@@ -4128,7 +4127,6 @@ const struct e1000_info e1000_ich10_info = {
                                   | FLAG_HAS_WOL
                                   | FLAG_HAS_CTRLEXT_ON_LOAD
                                   | FLAG_HAS_AMT
-                                  | FLAG_HAS_ERT
                                   | FLAG_HAS_FLASH
                                   | FLAG_APME_IN_WUC,
         .pba                    = 10,