On Wed, Dec 16, 2015 at 10:32 AM, Tal Abudi <talab...@gmail.com> wrote:
> IP header only is good enough for me.
> I tried increasing the flows to 1.1.1.[10-20]. Same result.
> The same flows and the same testbed distributes evenly on 82580 controllers
> with 5.3.2 and I211 on 4.1.2
Looking over the driver it looks like I see the issue. From what I
can tell it looks like the 5.3.2 driver was not enabling RSS at all
for the 5.3.2 driver.
You might try making the change below to the 5.3.2 driver. As a patch
I am pretty sure this won't apply since it was white-space munged, and
because this is against the upstream linux kernel.
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c
b/drivers/net/ethernet/intel/igb/igb_main.c
index 7afde455326d..c803da0aa883 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -3464,8 +3464,7 @@ static void igb_setup_mrqc(struct igb_adapter *adapter)
else
mrqc |= E1000_MRQC_ENABLE_VMDQ;
} else {
- if (hw->mac.type != e1000_i211)
- mrqc |= E1000_MRQC_ENABLE_RSS_4Q;
+ mrqc |= E1000_MRQC_ENABLE_RSS_4Q;
}
igb_vmm_control(adapter);
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