vmxnet3 displays incorrect ring buffer values after setting to max

Solution Verified - Updated -

Issue

  • After setting ring buffer values to max, the driver displays incorrect values.
#ethtool -g eth7
Ring parameters for eth7:
Pre-set maximums:
RX:             4096
RX Mini:        0
RX Jumbo:       0
TX:             4096
Current hardware settings:
RX:             1024
RX Mini:        0
RX Jumbo:       0
TX:             2048

#ethtool -G eth7 rx 4096 tx 4096

# ethtool -g eth7
Ring parameters for eth7:
Pre-set maximums:
RX:             4096
RX Mini:        0
RX Jumbo:       0
TX:             4096
Current hardware settings:
RX:             16384   <-----
RX Mini:        0
RX Jumbo:       0
TX:             16384

Environment

  • Red Hat Enterprise Linux 6
  • vmxnet3 driver version: 1.1.18.0-k-NAPI

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