[Intel-wired-lan] [PATCH 2/2] igc: wait for the MAC copy when enabled MAC passthrough

Aaron Ma aaron.ma at canonical.com
Tue Jul 13 13:45:10 UTC 2021

On 7/8/21 12:24 PM, Neftin, Sasha wrote:
> I would to like suggest checking the following direction:
> 1. principal question: can we update the netdev device address after it is already set during probe? I meant perform another:
> memcpy(netdev->dev_addr, hw->mac.addr, netdev->addr_len) up to demand

Updating MAC addr may work.
Even at the end of probe, it still got the wrong MAC address, delay is still needed.


> 2. We need to work with Intel's firmware engineer/group and define the message/event: MAC addressis changed and should be updated.
> As I know MNG FW updates shadow registers. Since shadow registers are different from RAL/RAH registers - it could be a notification that the MAC address changed. Let's check it.

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