Yes, firmware and driver latest:
# ethtool -i eth0
driver: mlx4_en
version: 2.3-1.0.0 (Nov 23 2014)
firmware-version: 2.9.1000
bus-info: 0000:04:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: no
supports-register-dump: no
supports-priv-flags: yes