MFC r310151 and r311173.
r310151:
cxgbe(4): Changes to the default T6 firmware configuration file.
- Disable features that are not supported or not used on FreeBSD.
- Increase the RSS table slice per interface.
- Increase the share of the TCAM reserved for filtering.
r311173:
cxgbe(4): Update T4, T5 and T6 firmwares to 1.16.26.0.
Sponsored by: Chelsio Communications