[dpdk-dev] [PATCH v2 2/2] net/i40e: add NVGRE parsing function

[Xing, Beilei]

> -----Original Message-----
> From: Lu, Wenzhuo
> Sent: Wednesday, June 7, 2017 2:12 PM
> To: Xing, Beilei <beilei.xing at intel.com>; Wu, Jingjing <jingjing.wu at intel.com>
> Cc: dev at dpdk.org
> Subject: RE: [dpdk-dev] [PATCH v2 2/2] net/i40e: add NVGRE parsing
> function
> 
> > -----Original Message-----
> > From: Xing, Beilei
> > Sent: Wednesday, June 7, 2017 2:07 PM
> > To: Lu, Wenzhuo; Wu, Jingjing
> > Cc: dev at dpdk.org
> > Subject: RE: [dpdk-dev] [PATCH v2 2/2] net/i40e: add NVGRE parsing
> > function
> >
> >
> >
> > > -----Original Message-----
> > > From: Lu, Wenzhuo
> > > Sent: Wednesday, June 7, 2017 1:46 PM
> > > To: Xing, Beilei <beilei.xing at intel.com>; Wu, Jingjing
> > > <jingjing.wu at intel.com>
> > > Cc: dev at dpdk.org
> > > Subject: RE: [dpdk-dev] [PATCH v2 2/2] net/i40e: add NVGRE parsing
> > > function
> > >
> > > Hi Beilei,
> > >
> > > > -----Original Message-----
> > > > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Beilei Xing
> > > > Sent: Thursday, June 1, 2017 2:57 PM
> > > > To: Wu, Jingjing
> > > > Cc: dev at dpdk.org
> > > > Subject: [dpdk-dev] [PATCH v2 2/2] net/i40e: add NVGRE parsing
> > > > function
> > > >
> > > > This patch adds NVGRE parsing function to support NVGRE classification.
> > > >
> > > > Signed-off-by: Beilei Xing <beilei.xing at intel.com>
> > > > ---
> > > >  drivers/net/i40e/i40e_flow.c | 271
> > > > ++++++++++++++++++++++++++++++++++++++++++-
> > > >  1 file changed, 269 insertions(+), 2 deletions(-)
> 
> >
> > >
> > > > +
> > > > +			break;
> > > > +		case RTE_FLOW_ITEM_TYPE_VLAN:
> > > > +			vlan_spec =
> > > > +				(const struct rte_flow_item_vlan *)item-
> > > > >spec;
> > > > +			vlan_mask =
> > > > +				(const struct rte_flow_item_vlan *)item-
> > > > >mask;
> > > > +			if (nvgre_flag) {
> > > Why need to check nvgre_flag? Seems VLAN must be after NVGRE, so
> > > this flag is always 1.
> >
> > It's used to  distinguish outer mac or inner mac.
> I know you need to add this flag for MAC. But I'm talking about VLAN. There's
> only inner VLAN. So, seems it's useless here.

Oh yes, sorry for misunderstanding, outer vlan is not supported here, it can be removed. Will update in next version.