Commit 6237634d authored by Eli Britstein's avatar Eli Britstein Committed by Saeed Mahameed
Browse files

net/mlx5: Fix multiple updates of steering rules in parallel 



There might be a condition where the fte found is not active yet. In
this case we should not use it, but continue to search for another, or
allocate a new one.

Fixes: bd71b08e ("net/mlx5: Support multiple updates of steering rules in parallel")
Signed-off-by: default avatarEli Britstein <elibr@mellanox.com>
Reviewed-by: default avatarMaor Gottlieb <maorg@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent a843dc4e

drivers/net/ethernet/mellanox/mlx5/core/fs_core.c

+6 −0
Original line number Diff line number Diff line
@@ -491,6 +491,7 @@ static void del_hw_fte(struct fs_node *node) 
			mlx5_core_warn(dev,

				       "flow steering can't delete fte in index %d of flow group id %d\n",

				       fte->index, fg->id);

		node->active = 0;

	}

}
@@ -1601,6 +1602,11 @@ lookup_fte_locked(struct mlx5_flow_group *g, 
		fte_tmp = NULL;

		goto out;

	}

	if (!fte_tmp->node.active) {

		tree_put_node(&fte_tmp->node);

		fte_tmp = NULL;

		goto out;

	}



	nested_down_write_ref_node(&fte_tmp->node, FS_LOCK_CHILD);

out: