Function mlx5_flow_push_thread_workspace

dpdk/drivers/net/mlx5/mlx5_flow.c:8254–8283

* Get new thread specific flow workspace. * * If current workspace inuse, create new one and set as current. * * @return pointer to thread specific flow workspace data, NULL on error. */

 * @return pointer to thread specific flow workspace data, NULL on error.
 */
struct mlx5_flow_workspace*
mlx5_flow_push_thread_workspace(void)
{
	struct mlx5_flow_workspace *curr;
	struct mlx5_flow_workspace *data;

	curr = mlx5_flow_os_get_specific_workspace();
	if (!curr) {
		data = flow_alloc_thread_workspace();
		if (!data)
			return NULL;
		mlx5_flow_os_workspace_gc_add(data);
	} else if (!curr->inuse) {
		data = curr;
	} else if (curr->next) {
		data = curr->next;
	} else {
		data = flow_alloc_thread_workspace();
		if (!data)
			return NULL;
		curr->next = data;
		data->prev = curr;
	}
	data->inuse = 1;
	data->flow_idx = 0;
	/* Set as current workspace */
	if (mlx5_flow_os_set_specific_workspace(data))
		DRV_LOG(ERR, "Failed to set flow workspace to thread.");
	return data;
}

/**
 * Close current thread specific flow workspace.