[dpdk-stable] [PATCH 17.11 5/5] net/qede: fix L2-handles used for RSS hash update
Mody, Rasesh
Rasesh.Mody at cavium.com
Sat Jun 9 01:10:04 CEST 2018
> From: Yuanhan Liu [mailto:yliu at fridaylinux.org]
> Sent: Friday, June 08, 2018 7:45 AM
>
> On Thu, Jun 07, 2018 at 05:51:14PM -0700, Rasesh Mody wrote:
> > [ upstream commit 3a1a1f3f1344c8a3bc0b06cd23e97b3922a91a61 ]
>
> Note that this commit is not from upstream, instead, it's from dpdk-next-net.
>
> Another thing worth noting is the commit hash will likely change after it get
> applied to upstream, for, AFIAK, they do rebase for merging dpdk-next tress.
> That's the reason we don't directly pick commits from dpdk-next trees.
>
> For this one, I will apply it without above commit info. I have also applied the
> others.
Thanks, we have additional fixes that are part of dpdk-next-net, but they are not part of upstream yet.
Can you pull in these to dpdk-17.11 stable?
https://dpdk.org/dev/patchwork/patch/40779/
https://dpdk.org/dev/patchwork/patch/40778/
https://dpdk.org/dev/patchwork/patch/40777/
>
> Thanks.
>
> --yliu
>
>
> >
> > Fix fast path array index which is used for passing L2 handles to RSS
> > indirection table, properly distribute rxq handles for indirection table.
> > Currently, it is using the local copy of indirection table. When the
> > RX queue configuration changes the local copy becomes invalid.
> >
> > Fixes: 69d7ba88f1a1 ("net/qede/base: use L2-handles for RSS
> > configuration")
> >
> > Signed-off-by: Rasesh Mody <rasesh.mody at cavium.com>
> > Reviewed-by: Kevin Traynor <ktraynor at redhat.com>
> > ---
> > drivers/net/qede/qede_ethdev.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/qede/qede_ethdev.c
> > b/drivers/net/qede/qede_ethdev.c index d266fff..7462f1a 100644
> > --- a/drivers/net/qede/qede_ethdev.c
> > +++ b/drivers/net/qede/qede_ethdev.c
> > @@ -2084,7 +2084,7 @@ int qede_rss_hash_update(struct rte_eth_dev
> *eth_dev,
> > vport_update_params.vport_id = 0;
> > /* pass the L2 handles instead of qids */
> > for (i = 0 ; i < ECORE_RSS_IND_TABLE_SIZE ; i++) {
> > - idx = qdev->rss_ind_table[i];
> > + idx = i % QEDE_RSS_COUNT(qdev);
> > rss_params.rss_ind_table[i] = qdev->fp_array[idx].rxq-
> >handle;
> > }
> > vport_update_params.rss_params = &rss_params;
> > --
> > 1.7.10.3
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