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From: "Lu, Wenzhuo" <wenzhuo.lu@intel.com>
To: "Wu, Jingjing" <jingjing.wu@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Thread-Topic: [dpdk-dev] [PATCH v7 03/27] net/i40e: set VF MAC anti-spoofing
 from	PF
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Date: Thu, 5 Jan 2017 06:46:14 +0000
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Subject: Re: [dpdk-dev] [PATCH v7 03/27] net/i40e: set VF MAC anti-spoofing
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Hi Jingjing,


> -----Original Message-----
> From: Wu, Jingjing
> Sent: Thursday, January 5, 2017 2:42 PM
> To: Lu, Wenzhuo; dev@dpdk.org
> Cc: Lu, Wenzhuo
> Subject: RE: [dpdk-dev] [PATCH v7 03/27] net/i40e: set VF MAC anti-spoofi=
ng
> from PF
>=20
>=20
>=20
> > -----Original Message-----
> > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Wenzhuo Lu
> > Sent: Tuesday, January 3, 2017 2:54 PM
> > To: dev@dpdk.org
> > Cc: Lu, Wenzhuo <wenzhuo.lu@intel.com>
> > Subject: [dpdk-dev] [PATCH v7 03/27] net/i40e: set VF MAC
> > anti-spoofing from PF
> >
> > Support enabling/disabling VF MAC anti-spoofing from PF.
> > User can call the API on PF to enable/disable a specific VF's MAC anti-
> spoofing.
> >
> > Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
> > ---
> >  drivers/net/i40e/i40e_ethdev.c            | 63
> > +++++++++++++++++++++++++++++++
> >  drivers/net/i40e/rte_pmd_i40e.h           | 19 ++++++++++
> >  drivers/net/i40e/rte_pmd_i40e_version.map |  1 +
> >  3 files changed, 83 insertions(+)
> >
> > diff --git a/drivers/net/i40e/i40e_ethdev.c
> > b/drivers/net/i40e/i40e_ethdev.c index fc7e987..68c07de 100644
> > --- a/drivers/net/i40e/i40e_ethdev.c
> > +++ b/drivers/net/i40e/i40e_ethdev.c
> > @@ -9723,3 +9723,66 @@ static void i40e_set_default_mac_addr(struct
> > rte_eth_dev *dev,
> >
> >  	return 0;
> >  }
> > +
> > +int
> > +rte_pmd_i40e_set_vf_mac_anti_spoof(uint8_t port, uint16_t vf_id,
> > +uint8_t on) {
> > +	struct rte_eth_dev *dev;
> > +	struct rte_eth_dev_info dev_info;
> > +	struct i40e_pf *pf;
> > +	struct i40e_vsi *vsi;
> > +	struct i40e_hw *hw;
> > +	struct i40e_vsi_context ctxt;
> > +	int ret;
> > +
> > +	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
> > +
> > +	dev =3D &rte_eth_devices[port];
> > +	rte_eth_dev_info_get(port, &dev_info);
> > +
> Why need to call rte_eth_dev_info_get in driver?
>=20
> > +	if (vf_id >=3D dev_info.max_vfs)
> > +		return -EINVAL;
> > +
>=20
> Vf_id is already be checked by below, even I prefer :
> if (vf_id > pf->vf_num - 1 || !pf->vfs)
> to be
> if (!pf->vfs  || vf_id > pf->vf_num - 1) or if (!pf->vfs  || vf_id >=3D p=
f->vf_num)
Agree, I'll remove the max_vfs check.

>=20
> > +	pf =3D I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
> > +