This is a note to let you know that I've just added the patch titled
i40e: Fix pre-set max number of queues for VF
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
i40e-fix-pre-set-max-number-of-queues-for-vf.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 8aa55ab422d9d0d825ebfb877702ed661e96e682 Mon Sep 17 00:00:00 2001
From: Mateusz Palczewski <mateusz.palczewski@xxxxxxxxx>
Date: Fri, 16 Jul 2021 11:33:56 +0200
Subject: i40e: Fix pre-set max number of queues for VF
From: Mateusz Palczewski <mateusz.palczewski@xxxxxxxxx>
commit 8aa55ab422d9d0d825ebfb877702ed661e96e682 upstream.
After setting pre-set combined to 16 queues and reserving 16 queues by
tc qdisc, pre-set maximum combined queues returned to default value
after VF reset being 4 and this generated errors during removing tc.
Fixed by removing clear num_req_queues before reset VF.
Fixes: e284fc280473 (i40e: Add and delete cloud filter)
Signed-off-by: Grzegorz Szczurek <grzegorzx.szczurek@xxxxxxxxx>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@xxxxxxxxx>
Tested-by: Bindushree P <Bindushree.p@xxxxxxxxx>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 5 -----
1 file changed, 5 deletions(-)
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -3580,11 +3580,6 @@ static int i40e_vc_add_qch_msg(struct i4
/* set this flag only after making sure all inputs are sane */
vf->adq_enabled = true;
- /* num_req_queues is set when user changes number of queues via ethtool
- * and this causes issue for default VSI(which depends on this variable)
- * when ADq is enabled, hence reset it.
- */
- vf->num_req_queues = 0;
/* reset the VF in order to allocate resources */
i40e_vc_notify_vf_reset(vf);
Patches currently in stable-queue which might be from mateusz.palczewski@xxxxxxxxx are
queue-4.19/i40e-fix-pre-set-max-number-of-queues-for-vf.patch
