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Date: Tue, 10 Oct 2023 17:28:11 +0000
From: "Ertman, David M" <david.m.ertman@...el.com>
To: Simon Horman <horms@...nel.org>
CC: "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH iwl-next] ice: Fix SRIOV LAG disable on non-compliant
 aggreagate

> -----Original Message-----
> From: Simon Horman <horms@...nel.org>
> Sent: Sunday, October 8, 2023 7:10 AM
> To: Ertman, David M <david.m.ertman@...el.com>
> Cc: intel-wired-lan@...ts.osuosl.org; netdev@...r.kernel.org
> Subject: Re: [PATCH iwl-next] ice: Fix SRIOV LAG disable on non-compliant
> aggreagate
> 
> On Fri, Oct 06, 2023 at 02:02:11PM -0700, Dave Ertman wrote:
> > If an attribute of an aggregate interface disqualifies it from supporting
> > SRIOV, the driver will unwind the SRIOV support.  Currently the driver is
> > clearing the feature bit for all interfaces in the aggregate, but this is
> > not allowing the other interfaces to unwind successfully on driver unload.
> >
> > Only clear the feature bit for the interface that is currently unwinding.
> >
> > Fixes: bf65da2eb279 ("ice: enforce interface eligibility and add messaging
> for SRIOV LAG")
> > Signed-off-by: Dave Ertman <david.m.ertman@...el.com>
> > ---
> >  drivers/net/ethernet/intel/ice/ice_lag.c | 11 +++--------
> >  1 file changed, 3 insertions(+), 8 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/intel/ice/ice_lag.c
> b/drivers/net/ethernet/intel/ice/ice_lag.c
> > index 2c96d1883e19..c9071228b1ea 100644
> > --- a/drivers/net/ethernet/intel/ice/ice_lag.c
> > +++ b/drivers/net/ethernet/intel/ice/ice_lag.c
> > @@ -1513,17 +1513,12 @@ static void ice_lag_chk_disabled_bond(struct
> ice_lag *lag, void *ptr)
> >   */
> >  static void ice_lag_disable_sriov_bond(struct ice_lag *lag)
> >  {
> > -	struct ice_lag_netdev_list *entry;
> >  	struct ice_netdev_priv *np;
> > -	struct net_device *netdev;
> >  	struct ice_pf *pf;
> >
> > -	list_for_each_entry(entry, lag->netdev_head, node) {
> > -		netdev = entry->netdev;
> > -		np = netdev_priv(netdev);
> > -		pf = np->vsi->back;
> > -
> > -		ice_clear_feature_support(pf, ICE_F_SRIOV_LAG);
> > +	np = netdev_priv(lag->netdev);
> > +	pf = np->vsi->back;
> > +	ice_clear_feature_support(pf, ICE_F_SRIOV_LAG);
> >  	}
> >  }
> 
> Hi Dave,
> 
> unfortunately applying this patch results in a build failure.
> 
> --
> pw-bot: changes-requested
> 
> 
Sorry about the mix-up.  I fixed the braces issues, but then sent the wrong version of the patch out.

Correct version on the way with v2.
DaveE

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