[dpdk-stable] [dpdk-dev] [PATCH v2] net/i40e: fix link status

[Wang, ShougangX]

Hi Beilei

> -----Original Message-----
> From: dev <dev-bounces at dpdk.org> On Behalf Of Xing, Beilei
> Sent: Friday, July 31, 2020 10:30 AM
> To: Sun, GuinanX <guinanx.sun at intel.com>; Guo, Jia <jia.guo at intel.com>;
> dev at dpdk.org
> Cc: Sun, GuinanX <guinanx.sun at intel.com>; stable at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v2] net/i40e: fix link status
> 
> 
> 
> > -----Original Message-----
> > From: dev <dev-bounces at dpdk.org> On Behalf Of Guinan Sun
> > Sent: Thursday, July 30, 2020 6:25 PM
> > To: Xing, Beilei <beilei.xing at intel.com>; Guo, Jia
> > <jia.guo at intel.com>; dev at dpdk.org
> > Cc: Sun, GuinanX <guinanx.sun at intel.com>; stable at dpdk.org
> > Subject: [dpdk-dev] [PATCH v2] net/i40e: fix link status
> >
> > If the PF driver supports the new speed reporting capabilities then
> > use link_event_adv instead of link_event to get the speed.
> >
> > Fixes: 2a73125b7041 ("i40evf: fix link info update")
> > Cc: stable at dpdk.org
> >
> > Signed-off-by: Guinan Sun <guinanx.sun at intel.com>
> > ---
> > v2:
> > * Modify commit log.
> > * Add code comments.
> > * Delete useless codes.
> > ---
> >  drivers/net/i40e/base/virtchnl.h  | 16 +++++++++++-
> > drivers/net/i40e/i40e_ethdev_vf.c | 42
> +++++++++++++++++++++++++++++--
> >  2 files changed, 55 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/net/i40e/base/virtchnl.h
> > b/drivers/net/i40e/base/virtchnl.h
> > index 4f498ca45..9c64fd469 100644
> > --- a/drivers/net/i40e/base/virtchnl.h
> > +++ b/drivers/net/i40e/base/virtchnl.h
> > @@ -240,7 +240,8 @@ VIRTCHNL_CHECK_STRUCT_LEN(16,
> > virtchnl_vsi_resource);
> >  #define VIRTCHNL_VF_OFFLOAD_ENCAP		0X00100000
> >  #define VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM		0X00200000
> >  #define VIRTCHNL_VF_OFFLOAD_RX_ENCAP_CSUM	0X00400000
> > -
> > +/* Define below the capability flags that are not offloads */
> > +#define VIRTCHNL_VF_CAP_ADV_LINK_SPEED		0x00000080
> 
> You defined the new capability VIRTCHNL_VF_CAP_ADV_LINK_SPEED in the
> patch, but didn't request the capability for i40evf?

This capability is given by i40e kernel pf if VIRTCHNL_VF_CAP_ADV_LINK_SPEED is defined. So vf doesn't need to request it.

Thanks.
Shougang