Why ethtool reports "Cannot get device ring settings: Operation not supported" while viewing or changing ring buffer settings for QLogic Corp. 10GbE Converged Network Adapter(CNA)?
Issue
- Why
ethtoolreports "Cannot get device ring settings: Operation not supported" while viewing or changing ring buffer settings forQLogic Corp. 10GbE Converged Network Adapter(CNA)? - Cannot change/view ring buffer settings for
QLogic 10GbEcard.
# ethtool -g eth0
Ring parameters for eth0:
Cannot get device ring settings: Operation not supported
Environment
- Red Hat Enterprise Linux 6 (RHEL6).
- qlge module.
- QLogic Corp. 10GbE Converged Network Adapter(CNA).
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