Thread (40 messages) 40 messages, 5 authors, 2019-06-07

Re: [PATCH v3 net-next 10/17] net: dsa: sja1105: Build a minimal understanding of meta frames

From: Florian Fainelli <f.fainelli@gmail.com>
Date: 2019-06-04 21:00:09
Also in: lkml


On 6/4/2019 10:07 AM, Vladimir Oltean wrote:
Meta frames are sent on the CPU port by the switch if RX timestamping is
enabled. They contain a partial timestamp of the previous frame.

They are Ethernet frames with the Ethernet header constructed out of:

- SJA1105_META_DMAC
- SJA1105_META_SMAC
- ETH_P_SJA1105_META

The Ethernet payload will be decoded in a follow-up patch.

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
-- 
Florian
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