Messages in this thread | | | From | Vadym Kochan <> | Subject | Re: [PATCH v2 3/3] nvmem: add ONIE nvmem cells parser | Date | Wed, 08 Sep 2021 12:56:48 +0300 |
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Hi Jan,
Jan Lübbe <jlu@pengutronix.de> writes:
> Hi, > > On Tue, 2021-06-08 at 22:03 +0300, Vadym Kochan wrote: > > ... >> + case 0x24: return "mac-address"; > ...
This is a base mac,
>> + case 0x2A: return "num-macs"; > > Is suspect these properties define which range of MACs is assigned to the
Yes
> device. How would you use them to assign MAC addresses to multiple interfaces? > The nvmem-cells property in the network device's node can only refer to one > cell, and not to i.e the cells value + 1. >
Currently in net/ethernet/marvell/prestera/prestera_main.c it is incremented and hard-coded by the driver.
> I think it would be useful to have a way to express this setup for systems with > many interfaces, but am unsure of where this should be described. Maybe a "mac- > address-offset" property in the generic ethernet controller binding? > > Regards, > Jan
May be something like eth_address_provider should be introduced in net/ethernet/ ?
This provider can provide something like eth_provider_address_next() which will consider "mac-address-num" (or other specific fields).
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