[dpdk-dev] [PATCH v7 14/27] net/i40e: set VF VLAN insertion from PF

Lu, Wenzhuo wenzhuo.lu at intel.com
Fri Jan 6 09:20:10 CET 2017


Hi Jingjing, Bernard,


> -----Original Message-----
> From: Wu, Jingjing
> Sent: Friday, January 6, 2017 8:33 AM
> To: Lu, Wenzhuo; dev at dpdk.org
> Cc: Iremonger, Bernard
> Subject: RE: [dpdk-dev] [PATCH v7 14/27] net/i40e: set VF VLAN insertion from
> PF
> 
> 
> 
> > -----Original Message-----
> > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Wenzhuo Lu
> > Sent: Tuesday, January 3, 2017 2:55 PM
> > To: dev at dpdk.org
> > Cc: Iremonger, Bernard <bernard.iremonger at intel.com>
> > Subject: [dpdk-dev] [PATCH v7 14/27] net/i40e: set VF VLAN insertion
> > from PF
> >
> > From: Bernard Iremonger <bernard.iremonger at intel.com>
> >
> > Support inserting VF VLAN id from PF.
> > User can call the API on PF to insert a VLAN id to a specific VF.
> >
> > Signed-off-by: Bernard Iremonger <bernard.iremonger at intel.com>
> > ---
> >  drivers/net/i40e/i40e_ethdev.c            | 56
> > +++++++++++++++++++++++++++++++
> >  drivers/net/i40e/rte_pmd_i40e.h           | 19 +++++++++++
> >  drivers/net/i40e/rte_pmd_i40e_version.map |  1 +
> >  3 files changed, 76 insertions(+)
> >
> > diff --git a/drivers/net/i40e/i40e_ethdev.c
> > b/drivers/net/i40e/i40e_ethdev.c index 7ab1c93..31c387d 100644
> > --- a/drivers/net/i40e/i40e_ethdev.c
> > +++ b/drivers/net/i40e/i40e_ethdev.c
> > @@ -10266,3 +10266,59 @@ static void i40e_set_default_mac_addr(struct
> > rte_eth_dev *dev,
> >  	else
> >  		return -EINVAL;
> >  }
> > +
> > +int rte_pmd_i40e_set_vf_vlan_insert(uint8_t port, uint16_t vf_id,
> > +				    uint16_t vlan_id)
> > +{
> > +	struct rte_eth_dev *dev;
> > +	struct rte_eth_dev_info dev_info;
> > +	struct i40e_pf *pf;
> > +	struct i40e_hw *hw;
> > +	struct i40e_vsi *vsi;
> > +	struct i40e_vsi_context ctxt;
> > +	int ret;
> > +
> > +	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
> > +
> > +	dev = &rte_eth_devices[port];
> > +	rte_eth_dev_info_get(port, &dev_info);
> 
> It looks dev_info is not used in this function.
I'll delete it.

> 
> > +	pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
> > +	hw = I40E_PF_TO_HW(pf);
> > +
> > +	/**
> > +	 * return -ENODEV if SRIOV not enabled, VF number not configured
> > +	 * or no queue assigned.
> > +	 */
> > +	if (!hw->func_caps.sr_iov_1_1 || pf->vf_num == 0 ||
> > +	    pf->vf_nb_qps == 0)
> > +		return -ENODEV;
> > +
> > +	if (vf_id >= pf->vf_num || !pf->vfs)
> > +		return -EINVAL;
> > +
> > +	if (vlan_id > ETHER_MAX_VLAN_ID)
> > +		return -EINVAL;
> > +
> > +	vsi = pf->vfs[vf_id].vsi;
> > +	if (!vsi)
> > +		return -EINVAL;
> > +
> > +	vsi->info.valid_sections =
> > cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID);
> > +	vsi->info.pvid = vlan_id;
> > +	if (vlan_id > 0)
> > +		vsi->info.port_vlan_flags |=
> I40E_AQ_VSI_PVLAN_INSERT_PVID;
> > +	else
> > +		vsi->info.port_vlan_flags &=
> > ~I40E_AQ_VSI_PVLAN_INSERT_PVID;
> So, Pvid is used here for insert. Does it has any relationship with vlan anti-
> spoof patch?
> If so, it's better to consider how to deal with that.
It's vlan insertion not filtering. So I think not related.

> 
> Thanks
> Jingjing


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