netdev - Re: [PATCH v2 net-next 11/13] net: dsa: felix: support half-duplex link modes

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Date:   Sat, 30 May 2020 13:50:23 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Vladimir Oltean <olteanv@...il.com>, davem@...emloft.net
Cc:     netdev@...r.kernel.org, andrew@...n.ch, vivien.didelot@...il.com,
        antoine.tenart@...tlin.com, alexandre.belloni@...tlin.com,
        UNGLinuxDriver@...rochip.com, alexandru.marginean@....com,
        claudiu.manoil@....com, madalin.bucur@....nxp.com,
        radu-andrei.bulie@....com, fido_max@...ox.ru, broonie@...nel.org
Subject: Re: [PATCH v2 net-next 11/13] net: dsa: felix: support half-duplex
 link modes



On 5/30/2020 4:51 AM, Vladimir Oltean wrote:
> From: Vladimir Oltean <vladimir.oltean@....com>
> 
> Ping tested:
> 
>   [   11.808455] mscc_felix 0000:00:00.5 swp0: Link is Up - 1Gbps/Full - flow control rx/tx
>   [   11.816497] IPv6: ADDRCONF(NETDEV_CHANGE): swp0: link becomes ready
> 
>   [root@...028ARDB ~] # ethtool -s swp0 advertise 0x4
>   [   18.844591] mscc_felix 0000:00:00.5 swp0: Link is Down
>   [   22.048337] mscc_felix 0000:00:00.5 swp0: Link is Up - 100Mbps/Half - flow control off
> 
>   [root@...028ARDB ~] # ip addr add 192.168.1.1/24 dev swp0
> 
>   [root@...028ARDB ~] # ping 192.168.1.2
>   PING 192.168.1.2 (192.168.1.2): 56 data bytes
>   (...)
>   ^C--- 192.168.1.2 ping statistics ---
>   3 packets transmitted, 3 packets received, 0% packet loss
>   round-trip min/avg/max = 0.383/0.611/1.051 ms
> 
>   [root@...028ARDB ~] # ethtool -s swp0 advertise 0x10
>   [  355.637747] mscc_felix 0000:00:00.5 swp0: Link is Down
>   [  358.788034] mscc_felix 0000:00:00.5 swp0: Link is Up - 1Gbps/Half - flow control off
> 
>   [root@...028ARDB ~] # ping 192.168.1.2
>   PING 192.168.1.2 (192.168.1.2): 56 data bytes
>   (...)
>   ^C
>   --- 192.168.1.2 ping statistics ---
>   16 packets transmitted, 16 packets received, 0% packet loss
>   round-trip min/avg/max = 0.301/0.384/1.138 ms
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian