ADD_PERF_COUNTER 179 drivers/net/ethernet/mellanox/mlx4/mlx4_en.h #define ADD_PERF_COUNTER(cnt, add) ((cnt) += (add)) ADD_PERF_COUNTER 188 drivers/net/ethernet/mellanox/mlx4/mlx4_en.h #define ADD_PERF_COUNTER(cnt, add) do {} while (0)