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Fixed

LIN9-7172 : WRL9 - unable to restrict Ethernet autonegotiation

Created: Jul 19, 2018    Updated: Apr 25, 2020
Resolved Date: Aug 9, 2018
Found In Version: 9.0.0.15
Fix Version: 9.0.0.18
Severity: Standard
Applicable for: Wind River Linux 9
Component/s: BSP, Networking

Description

With WR 9.0, setting the advertised Ethernet autonegotiation modes does not work. 

Workaround

NA

Steps to Reproduce

=STEPS TO REPRODUCE=

1. echo 8 > /proc/sys/kernel/printk

2. ethtool -s eth0 autoneg on advertise 04

3. ethtool eth0

=ACTUAL RESULTS=

Console displays

    ...eth0 NIC Link is Up 1000 Mbps Full Duplex...

    Advertised link modes: (all five supported modes)

Ethernet speed LED remains green.

=EXPECTED RESULTS=

Console displays

    ...eth0 NIC Link is Up 100 Mbps Half Duplex...

    Advertised link modes: 100baseT/Half

Ethernet speed LED turns yellow.

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