[dpdk-dev] [PATCH v7 17/27] net/i40e: set VF VLAN filter from PF

Iremonger, Bernard bernard.iremonger at intel.com
Fri Jan 6 12:38:25 CET 2017


Hi Jinqjing,

> -----Original Message-----
> From: Wu, Jingjing
> Sent: Friday, January 6, 2017 12:37 AM
> To: Lu, Wenzhuo <wenzhuo.lu at intel.com>; dev at dpdk.org
> Cc: Iremonger, Bernard <bernard.iremonger at intel.com>
> Subject: RE: [dpdk-dev] [PATCH v7 17/27] net/i40e: set VF VLAN filter 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 17/27] net/i40e: set VF VLAN filter from
> > PF
> >
> > From: Bernard Iremonger <bernard.iremonger at intel.com>
> >
> > add rte_pmd_i40e_set_vf_vlan_filter API.
> > User can call the API on PF to enable/disable a set of VF's VLAN filters.
> >
> > Signed-off-by: Bernard Iremonger <bernard.iremonger at intel.com>
> > ---
> >  drivers/net/i40e/i40e_ethdev.c            | 52
> > +++++++++++++++++++++++++++++++
> >  drivers/net/i40e/rte_pmd_i40e.h           | 22 +++++++++++++
> >  drivers/net/i40e/rte_pmd_i40e_version.map |  1 +
> >  3 files changed, 75 insertions(+)
> >
> > diff --git a/drivers/net/i40e/i40e_ethdev.c
> > b/drivers/net/i40e/i40e_ethdev.c index 4d2fb20..47e03d6 100644
> > --- a/drivers/net/i40e/i40e_ethdev.c
> > +++ b/drivers/net/i40e/i40e_ethdev.c
> > @@ -10428,3 +10428,55 @@ int rte_pmd_i40e_set_vf_vlan_tag(uint8_t
> > port, uint16_t vf_id, uint8_t on)
> >
> >  	return ret;
> >  }
> > +
> > +int rte_pmd_i40e_set_vf_vlan_filter(uint8_t port, uint16_t vlan_id,
> > +				    uint64_t vf_mask, uint8_t on) {
> > +	struct rte_eth_dev *dev;
> > +	struct rte_eth_dev_info dev_info;
> > +	struct i40e_pf *pf;
> > +	uint16_t pool_idx;
> > +	int ret = I40E_SUCCESS;
> > +
> > +	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
> > +
> > +	dev = &rte_eth_devices[port];
> > +	rte_eth_dev_info_get(port, &dev_info);
> > +
> > +	if (vlan_id > ETHER_MAX_VLAN_ID)
> > +		return -EINVAL;
> > +
> > +	if (on > 1)
> > +		return -EINVAL;
> > +
> > +	pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
> > +	if ((pf->flags & I40E_FLAG_VMDQ) == 0) {
> > +		PMD_INIT_LOG(ERR, "Firmware doesn't support VMDQ");
> > +		return -ENOTSUP;
> > +	}
> > +
> > +	if (!pf->vmdq) {
> > +		PMD_INIT_LOG(INFO, "VMDQ not configured");
> > +		return -ENOTSUP;
> > +	}
> > +
> > +	for (pool_idx = 0;
> > +	     pool_idx < ETH_64_POOLS &&
> > +	     pool_idx < pf->nb_cfg_vmdq_vsi &&
> > +	     ret == I40E_SUCCESS;
> > +	     pool_idx++) {
> > +		if (vf_mask & ((uint64_t)(1ULL << pool_idx))) {
> > +			if (on)
> > +				ret = i40e_vsi_add_vlan(pf-
> >vmdq[pool_idx].vsi,
> > +							vlan_id);
> > +			else
> > +				ret = i40e_vsi_delete_vlan(
> > +					pf->vmdq[pool_idx].vsi, vlan_id);
> > +		}
> > +	}
> 
> The head is saying "set VF VLAN filter", why do you deal with VMDQ VSIs?

This API is modelled on the rte_pmd_ixgbe_set_vf_vlan_filter(uint8_t port, uint16_t vlan_id,   uint64_t vf_mask, uint8_t on)  which seems to use VMDq. More investigation is needed here.

Regards,

Bernard.



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