My bad. Definitely, there was something wrong in my
setup/configuration earlier.
I can confirm that by setting E1000_RPLOLR_STRVLAN bit to 0 in
E1000_RPLOLR, VLAN header for multi cast traffic is not getting
stripped.

//sanjay

On Tue, Oct 12, 2010 at 10:41 AM, Tantilov, Emil S
<emil.s.tanti...@intel.com> wrote:
> Sanjay Gandotra wrote:
>> VLAN header is getting stripped for Unicast and multicast traffic.
>> After looking at the driver code, managed to disable VLAN header
>> stripping for Unicast traffic by:
>> setting E1000_VMOLR_STRVLAN bit to 0 in vmlor (0x05AD0)
>> Tried to do the same (do not strip VLAN header) for multicast traffic
>> by setting E1000_RPLOLR_STRVLAN bit to 0 in E1000_RPLOLR (0x05AF0)
>> But looks like VLAN header is always getting stripped for Multicast
>> traffic.
>> Is there any way I can disable VLAN header stripping for all the
>> traffic including multicast?
>
> Could you provide some more info about your setup: kernel, driver version etc 
> ...
>
> Thanks,
> Emil
>

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