Merge branch 'mlx5-misc-fixes-2024-10-15'

Tariq Toukan says:

====================
mlx5 misc fixes 2024-10-15

This patchset provides misc bug fixes from the team to the mlx5 core and
Eth drivers.

Series generated against:
commit 174714f0e505 ("selftests: drivers: net: fix name not defined")
====================

Link: https://patch.msgid.link/20241015093208.197603-1-tariqt@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

8 files changed, 41 insertions, 13 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index a64d96effb9e..6bd8a18e3af3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -1765,6 +1765,10 @@ static void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool force
 	}
 }
 
+#define MLX5_MAX_MANAGE_PAGES_CMD_ENT 1
+#define MLX5_CMD_MASK ((1UL << (cmd->vars.max_reg_cmds + \
+			   MLX5_MAX_MANAGE_PAGES_CMD_ENT)) - 1)
+
 static void mlx5_cmd_trigger_completions(struct mlx5_core_dev *dev)
 {
 	struct mlx5_cmd *cmd = &dev->cmd;
@@ -1776,7 +1780,7 @@ static void mlx5_cmd_trigger_completions(struct mlx5_core_dev *dev)
 	/* wait for pending handlers to complete */
 	mlx5_eq_synchronize_cmd_irq(dev);
 	spin_lock_irqsave(&dev->cmd.alloc_lock, flags);
-	vector = ~dev->cmd.vars.bitmask & ((1ul << (1 << dev->cmd.vars.log_sz)) - 1);
+	vector = ~dev->cmd.vars.bitmask & MLX5_CMD_MASK;
 	if (!vector)
 		goto no_trig;
 
@@ -2361,7 +2365,7 @@ int mlx5_cmd_enable(struct mlx5_core_dev *dev)
 
 	cmd->state = MLX5_CMDIF_STATE_DOWN;
 	cmd->vars.max_reg_cmds = (1 << cmd->vars.log_sz) - 1;
-	cmd->vars.bitmask = (1UL << cmd->vars.max_reg_cmds) - 1;
+	cmd->vars.bitmask = MLX5_CMD_MASK;
 
 	sema_init(&cmd->vars.sem, cmd->vars.max_reg_cmds);
 	sema_init(&cmd->vars.pages_sem, 1);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index a5659c0c4236..e601324a690a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -6509,7 +6509,9 @@ static void _mlx5e_remove(struct auxiliary_device *adev)
 	mlx5e_dcbnl_delete_app(priv);
 	unregister_netdev(priv->netdev);
 	_mlx5e_suspend(adev, false);
-	priv->profile->cleanup(priv);
+	/* Avoid cleanup if profile rollback failed. */
+	if (priv->profile)
+		priv->profile->cleanup(priv);
 	mlx5e_destroy_netdev(priv);
 	mlx5e_devlink_port_unregister(mlx5e_dev);
 	mlx5e_destroy_devlink(mlx5e_dev);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index 2505f90c0b39..68cb86b37e56 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -1061,6 +1061,12 @@ int mlx5_comp_eqn_get(struct mlx5_core_dev *dev, u16 vecidx, int *eqn)
 	struct mlx5_eq_comp *eq;
 	int ret = 0;
 
+	if (vecidx >= table->max_comp_eqs) {
+		mlx5_core_dbg(dev, "Requested vector index %u should be less than %u",
+			      vecidx, table->max_comp_eqs);
+		return -EINVAL;
+	}
+
 	mutex_lock(&table->comp_lock);
 	eq = xa_load(&table->comp_eqs, vecidx);
 	if (eq) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 17f78091ad30..7aef30dbd82d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1489,7 +1489,7 @@ int mlx5_eswitch_enable_locked(struct mlx5_eswitch *esw, int num_vfs)
 	}
 
 	if (err)
-		goto abort;
+		goto err_esw_enable;
 
 	esw->fdb_table.flags |= MLX5_ESW_FDB_CREATED;
 
@@ -1503,7 +1503,8 @@ int mlx5_eswitch_enable_locked(struct mlx5_eswitch *esw, int num_vfs)
 
 	return 0;
 
-abort:
+err_esw_enable:
+	mlx5_eq_notifier_unregister(esw->dev, &esw->nb);
 	mlx5_esw_acls_ns_cleanup(esw);
 	return err;
 }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_bwc.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_bwc.c
index bd52b05db367..8f3a6f9d703d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_bwc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_bwc.c
@@ -691,7 +691,6 @@ static int hws_bwc_matcher_move(struct mlx5hws_bwc_matcher *bwc_matcher)
 static int
 hws_bwc_matcher_rehash_size(struct mlx5hws_bwc_matcher *bwc_matcher)
 {
-	u32 num_of_rules;
 	int ret;
 
 	/* If the current matcher size is already at its max size, we can't
@@ -705,8 +704,7 @@ hws_bwc_matcher_rehash_size(struct mlx5hws_bwc_matcher *bwc_matcher)
 	 * Need to check again if we really need rehash.
 	 * If the reason for rehash was size, but not any more - skip rehash.
 	 */
-	num_of_rules = __atomic_load_n(&bwc_matcher->num_of_rules, __ATOMIC_RELAXED);
-	if (!hws_bwc_matcher_rehash_size_needed(bwc_matcher, num_of_rules))
+	if (!hws_bwc_matcher_rehash_size_needed(bwc_matcher, bwc_matcher->num_of_rules))
 		return 0;
 
 	/* Now we're done all the checking - do the rehash:
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_context.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_context.h
index e5a7ce604334..8ab548aa402b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_context.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_context.h
@@ -46,6 +46,7 @@ struct mlx5hws_context {
 	struct mlx5hws_send_engine *send_queue;
 	size_t queues;
 	struct mutex *bwc_send_queue_locks; /* protect BWC queues */
+	struct lock_class_key *bwc_lock_class_keys;
 	struct list_head tbl_list;
 	struct mlx5hws_context_debug_info debug_info;
 	struct xarray peer_ctx_xa;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_definer.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_definer.c
index d566d2ddf424..3f4c58bada37 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_definer.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_definer.c
@@ -1925,7 +1925,7 @@ mlx5hws_definer_calc_layout(struct mlx5hws_context *ctx,
 	ret = hws_definer_conv_match_params_to_hl(ctx, mt, match_hl);
 	if (ret) {
 		mlx5hws_err(ctx, "Failed to convert items to header layout\n");
-		goto free_fc;
+		goto free_match_hl;
 	}
 
 	/* Find the match definer layout for header layout match union */
@@ -1946,7 +1946,7 @@ mlx5hws_definer_calc_layout(struct mlx5hws_context *ctx,
 
 free_fc:
 	kfree(mt->fc);
-
+free_match_hl:
 	kfree(match_hl);
 	return ret;
 }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_send.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_send.c
index 0c7989184c30..6d443e6ee8d9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_send.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_send.c
@@ -941,14 +941,18 @@ static void __hws_send_queues_close(struct mlx5hws_context *ctx, u16 queues)
 
 static void hws_send_queues_bwc_locks_destroy(struct mlx5hws_context *ctx)
 {
-	int bwc_queues = ctx->queues - 1;
+	int bwc_queues = mlx5hws_bwc_queues(ctx);
 	int i;
 
 	if (!mlx5hws_context_bwc_supported(ctx))
 		return;
 
-	for (i = 0; i < bwc_queues; i++)
+	for (i = 0; i < bwc_queues; i++) {
 		mutex_destroy(&ctx->bwc_send_queue_locks[i]);
+		lockdep_unregister_key(ctx->bwc_lock_class_keys + i);
+	}
+
+	kfree(ctx->bwc_lock_class_keys);
 	kfree(ctx->bwc_send_queue_locks);
 }
 
@@ -977,10 +981,22 @@ static int hws_bwc_send_queues_init(struct mlx5hws_context *ctx)
 	if (!ctx->bwc_send_queue_locks)
 		return -ENOMEM;
 
-	for (i = 0; i < bwc_queues; i++)
+	ctx->bwc_lock_class_keys = kcalloc(bwc_queues,
+					   sizeof(*ctx->bwc_lock_class_keys),
+					   GFP_KERNEL);
+	if (!ctx->bwc_lock_class_keys)
+		goto err_lock_class_keys;
+
+	for (i = 0; i < bwc_queues; i++) {
 		mutex_init(&ctx->bwc_send_queue_locks[i]);
+		lockdep_register_key(ctx->bwc_lock_class_keys + i);
+	}
 
 	return 0;
+
+err_lock_class_keys:
+	kfree(ctx->bwc_send_queue_locks);
+	return -ENOMEM;
 }
 
 int mlx5hws_send_queues_open(struct mlx5hws_context *ctx,