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H A Dvlan.cdiff 029f5fc31cdb35d6c8a7fe9a54bf21556e175988 Sat Oct 30 09:22:32 CDT 2010 John Fastabend <john.r.fastabend@intel.com> 8021q: set hard_header_len when VLAN offload features are toggled

Toggling the vlan tx|rx hw offloads needs to set the hard_header_len
as well otherwise we end up using LL_RESERVED_SPACE incorrectly.
This results in pskb_expand_head() being used unnecessarily.

Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>