mlx5_esw_bridge_port_key
return xa_insert(&br_offloads->ports, mlx5_esw_bridge_port_key(port), port, GFP_KERNEL);
xa_erase(&br_offloads->ports, mlx5_esw_bridge_port_key(port));
return xa_load(&entry->ports, mlx5_esw_bridge_port_key(port));
int err = xa_insert(&entry->ports, mlx5_esw_bridge_port_key(port), port, GFP_KERNEL);
xa_erase(&entry->ports, mlx5_esw_bridge_port_key(port));
unsigned long mlx5_esw_bridge_port_key(struct mlx5_esw_bridge_port *port);