5.4-stable review patch. If anyone has any objections, please let me know.
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From: Patrisious Haddad phaddad@nvidia.com
[ Upstream commit e05feab22fd7dabcd6d272c4e2401ec1acdfdb9b ]
Different core device types such as PFs and VFs shouldn't be affiliated together since they have different capabilities, fix that by enforcing type check before doing the affiliation.
Fixes: 32f69e4be269 ("{net, IB}/mlx5: Manage port association for multiport RoCE") Reviewed-by: Mark Bloch mbloch@nvidia.com Signed-off-by: Patrisious Haddad phaddad@nvidia.com Link: https://patch.msgid.link/88699500f690dff1c1852c1ddb71f8a1cc8b956e.1733233480... Reviewed-by: Mateusz Polchlopek mateusz.polchlopek@intel.com Signed-off-by: Leon Romanovsky leon@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/mlx5/main.c | 6 ++++-- include/linux/mlx5/driver.h | 6 ++++++ 2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 5e00acb9bb31..fb5a1b4abcbc 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -5980,7 +5980,8 @@ static int mlx5_ib_init_multiport_master(struct mlx5_ib_dev *dev) list_for_each_entry(mpi, &mlx5_ib_unaffiliated_port_list, list) { if (dev->sys_image_guid == mpi->sys_image_guid && - (mlx5_core_native_port_num(mpi->mdev) - 1) == i) { + (mlx5_core_native_port_num(mpi->mdev) - 1) == i && + mlx5_core_same_coredev_type(dev->mdev, mpi->mdev)) { bound = mlx5_ib_bind_slave_port(dev, mpi); }
@@ -6874,7 +6875,8 @@ static void *mlx5_ib_add_slave_port(struct mlx5_core_dev *mdev)
mutex_lock(&mlx5_ib_multiport_mutex); list_for_each_entry(dev, &mlx5_ib_dev_list, ib_dev_list) { - if (dev->sys_image_guid == mpi->sys_image_guid) + if (dev->sys_image_guid == mpi->sys_image_guid && + mlx5_core_same_coredev_type(dev->mdev, mpi->mdev)) bound = mlx5_ib_bind_slave_port(dev, mpi);
if (bound) { diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 882197037654..ddcbc910d909 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -1137,6 +1137,12 @@ static inline bool mlx5_core_is_vf(const struct mlx5_core_dev *dev) return dev->coredev_type == MLX5_COREDEV_VF; }
+static inline bool mlx5_core_same_coredev_type(const struct mlx5_core_dev *dev1, + const struct mlx5_core_dev *dev2) +{ + return dev1->coredev_type == dev2->coredev_type; +} + static inline bool mlx5_core_is_ecpf(const struct mlx5_core_dev *dev) { return dev->caps.embedded_cpu;