Re: [PATCH] tulip: Assign default MAC address if not specified

[Philippe Mathieu-Daudé]

Hi Jason,

Do you mind taking this single patch via your networking tree?
Otherwise I Cc'ed qemu-trivial :)

Thanks!

On Thu, Mar 10, 2022 at 5:56 PM Helge Deller <deller@gmx.de> wrote:
>
> The MAC of the tulip card is stored in the EEPROM and at startup
> tulip_fill_eeprom() is called to initialize the EEPROM with the MAC
> address given on the command line, e.g.:
>     -device tulip,mac=00:11:22:33:44:55
>
> In case the mac address was not given on the command line,
> tulip_fill_eeprom() initializes the MAC in EEPROM with 00:00:00:00:00:00
> which breaks e.g. a HP-UX guest.
>
> Fix this problem by moving qemu_macaddr_default_if_unset() a few lines
> up, so that a default mac address is assigned before tulip_fill_eeprom()
> initializes the EEPROM.
>
> Signed-off-by: Helge Deller <deller@gmx.de>
>
> diff --git a/hw/net/tulip.c b/hw/net/tulip.c
> index d5b6cc5ee6..097e905bec 100644
> --- a/hw/net/tulip.c
> +++ b/hw/net/tulip.c
> @@ -967,6 +967,8 @@ static void pci_tulip_realize(PCIDevice *pci_dev, Error 
> **errp)
>      pci_conf = s->dev.config;
>      pci_conf[PCI_INTERRUPT_PIN] = 1; /* interrupt pin A */
>
> +    qemu_macaddr_default_if_unset(&s->c.macaddr);
> +
>      s->eeprom = eeprom93xx_new(&pci_dev->qdev, 64);
>      tulip_fill_eeprom(s);
>
> @@ -981,8 +983,6 @@ static void pci_tulip_realize(PCIDevice *pci_dev, Error 
> **errp)
>
>      s->irq = pci_allocate_irq(&s->dev);
>
> -    qemu_macaddr_default_if_unset(&s->c.macaddr);
> -
>      s->nic = qemu_new_nic(&net_tulip_info, &s->c,
>                            object_get_typename(OBJECT(pci_dev)),
>                            pci_dev->qdev.id, s);
>