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authorChris Mi2022-11-02 23:55:39 -0700
committerSaeed Mahameed2022-11-09 10:30:42 -0800
commite12de39c07a7872c1ac7250311bb60b74ff29f25 (patch)
treedd1bc99adb6b0b37ec48a94991d8a9d1b7cb7ecc /drivers
parent2808b37b59288ad8f1897e3546c2296df3384b65 (diff)
net/mlx5: E-switch, Set to legacy mode if failed to change switchdev mode
No need to rollback to the other mode because probably will fail again. Just set to legacy mode and clear fdb table created flag. So that fdb table will not be cleared again. Fixes: f019679ea5f2 ("net/mlx5: E-switch, Remove dependency between sriov and eswitch mode") Signed-off-by: Chris Mi <cmi@nvidia.com> Reviewed-by: Roi Dayan <roid@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch.c14
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c18
2 files changed, 11 insertions, 21 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index c59107fa9e6d..2169486c4bfb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1387,12 +1387,14 @@ void mlx5_eswitch_disable_locked(struct mlx5_eswitch *esw)
esw->mode == MLX5_ESWITCH_LEGACY ? "LEGACY" : "OFFLOADS",
esw->esw_funcs.num_vfs, esw->enabled_vports);
- esw->fdb_table.flags &= ~MLX5_ESW_FDB_CREATED;
- if (esw->mode == MLX5_ESWITCH_OFFLOADS)
- esw_offloads_disable(esw);
- else if (esw->mode == MLX5_ESWITCH_LEGACY)
- esw_legacy_disable(esw);
- mlx5_esw_acls_ns_cleanup(esw);
+ if (esw->fdb_table.flags & MLX5_ESW_FDB_CREATED) {
+ esw->fdb_table.flags &= ~MLX5_ESW_FDB_CREATED;
+ if (esw->mode == MLX5_ESWITCH_OFFLOADS)
+ esw_offloads_disable(esw);
+ else if (esw->mode == MLX5_ESWITCH_LEGACY)
+ esw_legacy_disable(esw);
+ mlx5_esw_acls_ns_cleanup(esw);
+ }
if (esw->mode == MLX5_ESWITCH_OFFLOADS)
devl_rate_nodes_destroy(devlink);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 4e50df3139c6..728ca9f2bb9d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -2310,7 +2310,7 @@ out_free:
static int esw_offloads_start(struct mlx5_eswitch *esw,
struct netlink_ext_ack *extack)
{
- int err, err1;
+ int err;
esw->mode = MLX5_ESWITCH_OFFLOADS;
err = mlx5_eswitch_enable_locked(esw, esw->dev->priv.sriov.num_vfs);
@@ -2318,11 +2318,6 @@ static int esw_offloads_start(struct mlx5_eswitch *esw,
NL_SET_ERR_MSG_MOD(extack,
"Failed setting eswitch to offloads");
esw->mode = MLX5_ESWITCH_LEGACY;
- err1 = mlx5_eswitch_enable_locked(esw, MLX5_ESWITCH_IGNORE_NUM_VFS);
- if (err1) {
- NL_SET_ERR_MSG_MOD(extack,
- "Failed setting eswitch back to legacy");
- }
mlx5_rescan_drivers(esw->dev);
}
if (esw->offloads.inline_mode == MLX5_INLINE_MODE_NONE) {
@@ -3389,19 +3384,12 @@ err_metadata:
static int esw_offloads_stop(struct mlx5_eswitch *esw,
struct netlink_ext_ack *extack)
{
- int err, err1;
+ int err;
esw->mode = MLX5_ESWITCH_LEGACY;
err = mlx5_eswitch_enable_locked(esw, MLX5_ESWITCH_IGNORE_NUM_VFS);
- if (err) {
+ if (err)
NL_SET_ERR_MSG_MOD(extack, "Failed setting eswitch to legacy");
- esw->mode = MLX5_ESWITCH_OFFLOADS;
- err1 = mlx5_eswitch_enable_locked(esw, MLX5_ESWITCH_IGNORE_NUM_VFS);
- if (err1) {
- NL_SET_ERR_MSG_MOD(extack,
- "Failed setting eswitch back to offloads");
- }
- }
return err;
}