1259 	u32 i, rss_rings;  in mlx4_en_get_rxfh()  local
1261 	rss_rings = priv->prof->rss_rings ?: n;  in mlx4_en_get_rxfh()
1262 	rss_rings = rounddown_pow_of_two(rss_rings);  in mlx4_en_get_rxfh()
1267 		ring_index[i] = i % rss_rings;  in mlx4_en_get_rxfh()
1285 	int rss_rings = 0;  in mlx4_en_set_rxfh()  local
1293 		if (i > 0 && !ring_index[i] && !rss_rings)  in mlx4_en_set_rxfh()
1294 			rss_rings = i;  in mlx4_en_set_rxfh()
1296 		if (ring_index[i] != (i % (rss_rings ?: n)))  in mlx4_en_set_rxfh()
1300 	if (!rss_rings)  in mlx4_en_set_rxfh()
1301 		rss_rings = n;  in mlx4_en_set_rxfh()
1304 	if (!is_power_of_2(rss_rings))  in mlx4_en_set_rxfh()
1320 		priv->prof->rss_rings = rss_rings;  in mlx4_en_set_rxfh()