6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Jan Sokolowski <jan.sokolowski@xxxxxxxxx>
[ Upstream commit f4b91c1d17c676b8ad4c6bd674da874f3f7d5701 ]
TC queues needs to be correctly updated when the number of queues on
a VSI is reconfigured, so netdev's queue and TC settings will be
dynamically adjusted and could accurately represent the underlying
hardware state after changes to the VSI queue counts.
Fixes: 0754d65bd4be ("ice: Add infrastructure for mqprio support via ndo_setup_tc")
Reviewed-by: Wojciech Drewek <wojciech.drewek@xxxxxxxxx>
Signed-off-by: Jan Sokolowski <jan.sokolowski@xxxxxxxxx>
Signed-off-by: Karen Ostrowska <karen.ostrowska@xxxxxxxxx>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@xxxxxxxxx> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/ethernet/intel/ice/ice_main.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 26ef8aec4cfdf..600a2f5370875 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -3958,7 +3958,7 @@ bool ice_is_wol_supported(struct ice_hw *hw)
int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked)
{
struct ice_pf *pf = vsi->back;
- int err = 0, timeout = 50;
+ int i, err = 0, timeout = 50;
if (!new_rx && !new_tx)
return -EINVAL;
@@ -3984,6 +3984,14 @@ int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked)
ice_vsi_close(vsi);
ice_vsi_rebuild(vsi, ICE_VSI_FLAG_NO_INIT);
+
+ ice_for_each_traffic_class(i) {
+ if (vsi->tc_cfg.ena_tc & BIT(i))
+ netdev_set_tc_queue(vsi->netdev,
+ vsi->tc_cfg.tc_info[i].netdev_tc,
+ vsi->tc_cfg.tc_info[i].qcount_tx,
+ vsi->tc_cfg.tc_info[i].qoffset);
+ }
ice_pf_dcb_recfg(pf, locked);
ice_vsi_open(vsi);
done:
--
2.43.0
