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

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content