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From: "Ard Biesheuvel" <ard.biesheuvel@arm.com>
To: Leif Lindholm <leif@nuviainc.com>
Cc: devel@edk2.groups.io, Jared McNeill <jmcneill@invisible.ca>,
	Andrei Warkentin <awarkentin@vmware.com>,
	Samer El-Haj-Mahmoud <samer.el-haj-mahmoud@arm.com>,
	Pete Batard <pete@akeo.ie>,
	Jeremy Linton <lintonrjeremy@gmail.com>
Subject: Re: [PATCH edk2-platforms 1/3] Silicon/Broadcom/BcmGenetDxe: program MAC also when not connected
Date: Thu, 4 Jun 2020 16:57:00 +0200	[thread overview]
Message-ID: <68f182be-29ab-7ea7-46ff-1a4eac8f62f4@arm.com> (raw)
In-Reply-To: <20200604145339.GX28566@vanye>

On 6/4/20 4:53 PM, Leif Lindholm wrote:
> On Thu, Jun 04, 2020 at 11:50:05 +0200, Ard Biesheuvel wrote:
>> In preparation of removing the EfiBootManagerConnectAll() from the
>> ordinary boot path, ensure that the MAC programming of the GENET
>> occurs even if the SNP driver for it is never invoked by the BDS.
> 
> Does this not cause a behaviour change if the driver *has* been
> invoked, and the MAC address has been modified with
> SNP.StationAddress()?
> 

No, the MAC is programmed when the device is registered. If SNP takes 
control, it does so afterwards, and will be able to supersede the MAC as 
before.


  reply	other threads:[~2020-06-04 14:57 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-04  9:50 [PATCH edk2-platforms 0/3] Platform/RaspberryPi: omit ConnectAll() on regular boot Ard Biesheuvel
2020-06-04  9:50 ` [PATCH edk2-platforms 1/3] Silicon/Broadcom/BcmGenetDxe: program MAC also when not connected Ard Biesheuvel
2020-06-04 12:27   ` Pete Batard
2020-06-04 14:53   ` Leif Lindholm
2020-06-04 14:57     ` Ard Biesheuvel [this message]
2020-06-04 15:00       ` Leif Lindholm
2020-06-04  9:50 ` [PATCH edk2-platforms 2/3] Platform/RaspberryPi: add UEFI Shell to boot manager menu Ard Biesheuvel
2020-06-04 12:27   ` Pete Batard
2020-06-04  9:50 ` [PATCH edk2-platforms 3/3] Platform/RaspberryPi: don't connect all devices on an ordinary boot Ard Biesheuvel
2020-06-04 12:27   ` Pete Batard
2020-06-05  8:10     ` Ard Biesheuvel

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