This is a note to let you know that I've just added the patch titled
net/mlx5e: XPS, Fix oversight of Multi-PF Netdev changes
to the 6.10-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:
net-mlx5e-xps-fix-oversight-of-multi-pf-netdev-chang.patch
and it can be found in the queue-6.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 719bf7a59f333580ab4d1907a975900474f66bda
Author: Carolina Jubran <cjubran@xxxxxxxxxx>
Date: Thu Aug 15 10:16:10 2024 +0300
net/mlx5e: XPS, Fix oversight of Multi-PF Netdev changes
[ Upstream commit a07e953dafe5ebd88942dc861dfb06eaf055fb07 ]
The offending commit overlooked the Multi-PF Netdev changes.
Revert mlx5e_set_default_xps_cpumasks to incorporate Multi-PF Netdev
changes.
Fixes: bcee093751f8 ("net/mlx5e: Modifying channels number and updating TX queues")
Signed-off-by: Carolina Jubran <cjubran@xxxxxxxxxx>
Signed-off-by: Tariq Toukan <tariqt@xxxxxxxxxx>
Link: https://patch.msgid.link/20240815071611.2211873-4-tariqt@xxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index eedbcba226894..409f525f1703c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -3005,15 +3005,18 @@ int mlx5e_update_tx_netdev_queues(struct mlx5e_priv *priv)
static void mlx5e_set_default_xps_cpumasks(struct mlx5e_priv *priv,
struct mlx5e_params *params)
{
- struct mlx5_core_dev *mdev = priv->mdev;
- int num_comp_vectors, ix, irq;
-
- num_comp_vectors = mlx5_comp_vectors_max(mdev);
+ int ix;
for (ix = 0; ix < params->num_channels; ix++) {
+ int num_comp_vectors, irq, vec_ix;
+ struct mlx5_core_dev *mdev;
+
+ mdev = mlx5_sd_ch_ix_get_dev(priv->mdev, ix);
+ num_comp_vectors = mlx5_comp_vectors_max(mdev);
cpumask_clear(priv->scratchpad.cpumask);
+ vec_ix = mlx5_sd_ch_ix_get_vec_ix(mdev, ix);
- for (irq = ix; irq < num_comp_vectors; irq += params->num_channels) {
+ for (irq = vec_ix; irq < num_comp_vectors; irq += params->num_channels) {
int cpu = mlx5_comp_vector_get_cpu(mdev, irq);
cpumask_set_cpu(cpu, priv->scratchpad.cpumask);
