[dpdk-stable] [PATCH] net/sfc: cut non VLAN ID bits from TCI

[Luca Boccassi]

On Thu, 2018-07-26 at 12:42 +0300, Andrew Rybchenko wrote:
> On 23.07.2018 20:10, Luca Boccassi wrote:
> > On Wed, 2018-07-11 at 10:46 +0100, Andrew Rybchenko wrote:
> > > TCI may contain PCP or DEI bits. Matching of these bits is not
> > > supported, but the bits still may be set in specification value
> > > and
> > > not covered by mask. So, these bits should be ignored.
> > > 
> > > Fixes: 894080975e1e ("net/sfc: support VLAN in flow API filters")
> > > Cc: stable at dpdk.org
> > > 
> > > Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
> > > Reviewed-by: Roman Zhukov <roman.zhukov at oktetlabs.ru>
> > > ---
> > >   drivers/net/sfc/sfc_flow.c | 3 ++-
> > >   1 file changed, 2 insertions(+), 1 deletion(-)
> > > 
> > > diff --git a/drivers/net/sfc/sfc_flow.c
> > > b/drivers/net/sfc/sfc_flow.c
> > > index 5613d59a9..18387415e 100644
> > > --- a/drivers/net/sfc/sfc_flow.c
> > > +++ b/drivers/net/sfc/sfc_flow.c
> > > @@ -371,7 +371,8 @@ sfc_flow_parse_vlan(const struct
> > > rte_flow_item
> > > *item,
> > >   	 * the outer tag and the next matches the inner tag.
> > >   	 */
> > >   	if (mask->tci == supp_mask.tci) {
> > > -		vid = rte_bswap16(spec->tci);
> > > +		/* Apply mask to keep VID only */
> > > +		vid = rte_bswap16(spec->tci & mask->tci);
> > >   
> > >   		if (!(efx_spec->efs_match_flags &
> > >   		      EFX_FILTER_MATCH_OUTER_VID)) {
> > 
> > Hi Andrew,
> > 
> > For which stable release branch is this patch intended? Has it (or
> > an
> > equivalent) been merged into mainline?
> 
> Hi Luka,
> 
> Yes, the patch is applied in mainline [1].
> 
> It would be good if it is applied to 17.11, 18.02 and 18.05 stable
> branches.
> 
> [1] 
> https://git.dpdk.org/dpdk/commit/?id=8028142107a858a146bfdbaa010b7e77
> ff987342
> 
> Thanks,
> Andrew.

Ok, thanks, in the future please use --subject-prefix='PATCH xx.yy'
with git send-email to indicate the target branch(es)

-- 
Kind regards,
Luca Boccassi