From: Vadym Kochan <vadym.kochan@plvision.eu>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Willem de Bruijn <willemdebruijn.kernel@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Jiri Pirko <jiri@mellanox.com>,
Ido Schimmel <idosch@mellanox.com>,
Oleksandr Mazur <oleksandr.mazur@plvision.eu>,
Serhiy Boiko <serhiy.boiko@plvision.eu>,
Serhiy Pshyk <serhiy.pshyk@plvision.eu>,
Volodymyr Mytnyk <volodymyr.mytnyk@plvision.eu>,
Taras Chornyi <taras.chornyi@plvision.eu>,
Andrii Savka <andrii.savka@plvision.eu>,
Network Development <netdev@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Andy Shevchenko <andy.shevchenko@gmail.com>,
Mickey Rachamim <mickeyr@marvell.com>
Subject: Re: [PATCH net v6 1/6] net: marvell: prestera: Add driver for Prestera family ASIC devices
Date: Fri, 4 Sep 2020 18:54:53 +0300 [thread overview]
Message-ID: <20200904155453.GB28910@plvision.eu> (raw)
In-Reply-To: <20200904133217.GJ3112546@lunn.ch>
Hi Andrew,
On Fri, Sep 04, 2020 at 03:32:17PM +0200, Andrew Lunn wrote:
> > > > +static int prestera_is_valid_mac_addr(struct prestera_port *port, u8 *addr)
> > > > +{
> > > > + if (!is_valid_ether_addr(addr))
> > > > + return -EADDRNOTAVAIL;
> > > > +
> > > > + if (memcmp(port->sw->base_mac, addr, ETH_ALEN - 1))
> > >
> > > Why ETH_ALEN - 1?
> > >
> > This is the restriction of the port mac address, it must have base mac
> > address part at first 5 bytes.
>
> You probably want to put a comment here about that.
>
> And this is particularly user unfriendly. Is this a hardware issue? Or
> firmware? Is this likely to change in the future?
>
> Andrew
It is required by the firmware, partially it may have relation to the
hardware.
I am not sure if it will be changed in the future. But I will add
a comment as you suggested.
Thanks,
next prev parent reply other threads:[~2020-09-04 15:55 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-02 15:04 [PATCH net v6 0/6] net: marvell: prestera: Add Switchdev driver for Prestera family ASIC device 98DX3255 (AC3x) Vadym Kochan
2020-09-02 15:04 ` [PATCH net v6 1/6] net: marvell: prestera: Add driver for Prestera family ASIC devices Vadym Kochan
2020-09-03 15:22 ` Willem de Bruijn
2020-09-03 15:35 ` Andy Shevchenko
2020-09-04 9:34 ` Vadym Kochan
2020-09-04 9:32 ` Vadym Kochan
2020-09-04 13:32 ` Andrew Lunn
2020-09-04 15:54 ` Vadym Kochan [this message]
2020-09-02 15:04 ` [PATCH net v6 2/6] net: marvell: prestera: Add PCI interface support Vadym Kochan
2020-09-02 15:04 ` [PATCH net v6 3/6] net: marvell: prestera: Add basic devlink support Vadym Kochan
2020-09-02 15:04 ` [PATCH net v6 4/6] net: marvell: prestera: Add ethtool interface support Vadym Kochan
2020-09-02 15:04 ` [PATCH net v6 5/6] net: marvell: prestera: Add Switchdev driver implementation Vadym Kochan
2020-09-03 17:18 ` Willem de Bruijn
2020-09-04 9:34 ` Vadym Kochan
2020-09-02 15:04 ` [PATCH net v6 6/6] dt-bindings: marvell,prestera: Add description for device-tree bindings Vadym Kochan
2020-09-02 20:57 ` [PATCH net v6 0/6] net: marvell: prestera: Add Switchdev driver for Prestera family ASIC device 98DX3255 (AC3x) Vadym Kochan
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