On Wednesday 24 October 2012 14:38:07 Cosmin Ratiu wrote:
> Hello,
>
> ixgbe_dcb_config_82599 should leave the MRQC register alone if it's already
> configured for 8 PGs with RSS.
>
> Without this patch, the following sequence of events happen that force RSS
> to be deconfigured.
> 1. the MRQC register is configured with IXGBE_MRQC_RTRSS8TCEN in
> ixgbe_setup_mrqc
> 2. ixgbe_dcb_config_82599 is called again from within ixgbe_dcbnl_set_all
> (via ixgbe_dcb_hw_config_cee). The 'default' switch label is picked and
> RSS gets deconfigured.
>
> Cosmin.
I am putting the patch inline, it seems the mailman stripped it off.
Cosmin.
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