[dpdk-dev] [PATCH v3] mbuf: new flag when Vlan is stripped

Thomas Monjalon thomas.monjalon at 6wind.com
Wed Jun 15 17:20:33 CEST 2016


2016-06-15 12:33, Ananyev, Konstantin:
> From: Olivier Matz [mailto:olivier.matz at 6wind.com]
> > The behavior of PKT_RX_VLAN_PKT was not very well defined, resulting in
> > PMDs not advertising the same flags in similar conditions.
> > 
> > Following discussion in [1], introduce 2 new flags PKT_RX_VLAN_STRIPPED
> > and PKT_RX_QINQ_STRIPPED that are better defined:
> > 
> >   PKT_RX_VLAN_STRIPPED: a vlan has been stripped by the hardware and its
> >   tci is saved in mbuf->vlan_tci. This can only happen if vlan stripping
> >   is enabled in the RX configuration of the PMD.
> > 
> > For now, the old flag PKT_RX_VLAN_PKT is kept but marked as deprecated.
> > It should be removed from applications and PMDs in a future revision.
[...]
> > For PKT_RX_QINQ_PKT, it was only supported on i40e, and the behavior was
> > already correct, so we can reuse the same bit value for
> > PKT_RX_QINQ_STRIPPED.
> > 
> > [1] http://dpdk.org/ml/archives/dev/2016-April/037837.html,
> > 
> > Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>
> 
> Acked-by: Konstantin Ananyev <konstantin.ananyev at intel.com>

Applied, thanks



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