From: Florian Fainelli <f.fainelli@gmail.com>
To: Steve Douthit <stephend@silicom-usa.com>,
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>,
"intel-wired-lan@lists.osuosl.org"
<intel-wired-lan@lists.osuosl.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
Andrew Lunn <andrew@lunn.ch>
Subject: Re: [PATCH net-next v3 2/2] ixgbe: use mii_bus to handle MII related ioctls
Date: Mon, 3 Dec 2018 11:07:59 -0800 [thread overview]
Message-ID: <d2f6a079-058c-fc54-cb6b-77ca830d65af@gmail.com> (raw)
In-Reply-To: <20181203185454.6357-3-stephend@silicom-usa.com>
On 12/3/18 10:55 AM, Steve Douthit wrote:
> Use the mii_bus callbacks to address the entire clause 22/45 address
> space. Enables userspace to poke switch registers instead of a single
> PHY address.
>
> The ixgbe firmware may be polling PHYs in a way that is not protected by
> the mii_bus lock. This isn't new behavior, but as Andrew Lunn pointed
> out there are more addresses available for conflicts.
>
> Signed-off-by: Stephen Douthit <stephend@silicom-usa.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
--
Florian
WARNING: multiple messages have this Message-ID (diff)
From: Florian Fainelli <f.fainelli@gmail.com>
To: intel-wired-lan@osuosl.org
Subject: [Intel-wired-lan] [PATCH net-next v3 2/2] ixgbe: use mii_bus to handle MII related ioctls
Date: Mon, 3 Dec 2018 11:07:59 -0800 [thread overview]
Message-ID: <d2f6a079-058c-fc54-cb6b-77ca830d65af@gmail.com> (raw)
In-Reply-To: <20181203185454.6357-3-stephend@silicom-usa.com>
On 12/3/18 10:55 AM, Steve Douthit wrote:
> Use the mii_bus callbacks to address the entire clause 22/45 address
> space. Enables userspace to poke switch registers instead of a single
> PHY address.
>
> The ixgbe firmware may be polling PHYs in a way that is not protected by
> the mii_bus lock. This isn't new behavior, but as Andrew Lunn pointed
> out there are more addresses available for conflicts.
>
> Signed-off-by: Stephen Douthit <stephend@silicom-usa.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
--
Florian
next prev parent reply other threads:[~2018-12-03 19:08 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-03 16:32 [PATCH net-next v2 0/2] Add mii_bus to ixgbe driver for dsa devs Steve Douthit
2018-12-03 16:32 ` [Intel-wired-lan] " Steve Douthit
2018-12-03 16:32 ` [PATCH net-next v2 1/2] ixgbe: register a mdiobus Steve Douthit
2018-12-03 16:32 ` [Intel-wired-lan] " Steve Douthit
2018-12-03 16:54 ` Andrew Lunn
2018-12-03 16:54 ` [Intel-wired-lan] " Andrew Lunn
2018-12-03 17:02 ` Steve Douthit
2018-12-03 17:02 ` [Intel-wired-lan] " Steve Douthit
2018-12-03 17:21 ` Andrew Lunn
2018-12-03 17:21 ` [Intel-wired-lan] " Andrew Lunn
2018-12-03 17:59 ` Steve Douthit
2018-12-03 17:59 ` [Intel-wired-lan] " Steve Douthit
2018-12-03 18:18 ` Andrew Lunn
2018-12-03 18:18 ` [Intel-wired-lan] " Andrew Lunn
2018-12-03 18:38 ` Steve Douthit
2018-12-03 18:38 ` [Intel-wired-lan] " Steve Douthit
2018-12-03 18:54 ` Andrew Lunn
2018-12-03 18:54 ` [Intel-wired-lan] " Andrew Lunn
2018-12-03 16:33 ` [PATCH net-next v2 2/2] ixgbe: use mii_bus to handle MII related ioctls Steve Douthit
2018-12-03 16:33 ` [Intel-wired-lan] " Steve Douthit
2018-12-03 18:55 ` [PATCH net-next v3 0/2] Add mii_bus to ixgbe driver for dsa devs Steve Douthit
2018-12-03 18:55 ` [Intel-wired-lan] " Steve Douthit
2018-12-03 18:55 ` [PATCH net-next v3 1/2] ixgbe: register a mdiobus Steve Douthit
2018-12-03 18:55 ` [Intel-wired-lan] " Steve Douthit
2018-12-03 19:00 ` Andrew Lunn
2018-12-03 19:00 ` [Intel-wired-lan] " Andrew Lunn
2018-12-03 19:07 ` Florian Fainelli
2018-12-03 19:07 ` [Intel-wired-lan] " Florian Fainelli
2018-12-03 19:44 ` Steve Douthit
2018-12-03 19:44 ` [Intel-wired-lan] " Steve Douthit
2018-12-03 19:45 ` Florian Fainelli
2018-12-03 19:45 ` [Intel-wired-lan] " Florian Fainelli
2018-12-03 18:55 ` [PATCH net-next v3 2/2] ixgbe: use mii_bus to handle MII related ioctls Steve Douthit
2018-12-03 18:55 ` [Intel-wired-lan] " Steve Douthit
2018-12-03 19:01 ` Andrew Lunn
2018-12-03 19:01 ` [Intel-wired-lan] " Andrew Lunn
2018-12-03 19:07 ` Florian Fainelli [this message]
2018-12-03 19:07 ` Florian Fainelli
2018-12-03 20:14 ` [PATCH net-next v4 0/2] Add mii_bus to ixgbe driver for dsa devs Steve Douthit
2018-12-03 20:14 ` [Intel-wired-lan] " Steve Douthit
2018-12-03 20:15 ` [PATCH net-next v4 1/2] ixgbe: register a mdiobus Steve Douthit
2018-12-03 20:15 ` [Intel-wired-lan] " Steve Douthit
2018-12-04 16:58 ` Bowers, AndrewX
2018-12-04 16:58 ` [Intel-wired-lan] " Bowers, AndrewX
2018-12-03 20:15 ` [PATCH net-next v4 2/2] ixgbe: use mii_bus to handle MII related ioctls Steve Douthit
2018-12-03 20:15 ` [Intel-wired-lan] " Steve Douthit
2018-12-04 16:59 ` Bowers, AndrewX
2018-12-04 16:59 ` [Intel-wired-lan] " Bowers, AndrewX
2018-12-03 20:51 ` [PATCH net-next v4 0/2] Add mii_bus to ixgbe driver for dsa devs Florian Fainelli
2018-12-03 20:51 ` [Intel-wired-lan] " Florian Fainelli
2018-12-03 23:42 ` Steve Douthit
2018-12-03 23:42 ` [Intel-wired-lan] " Steve Douthit
2018-12-03 23:46 ` Florian Fainelli
2018-12-03 23:46 ` [Intel-wired-lan] " Florian Fainelli
2018-12-04 10:40 ` Andrew Lunn
2018-12-04 10:40 ` [Intel-wired-lan] " Andrew Lunn
2018-12-04 16:02 ` Steve Douthit
2018-12-04 16:02 ` [Intel-wired-lan] " Steve Douthit
2018-12-06 15:50 ` [PATCH net-next v5 " Steve Douthit
2018-12-06 15:50 ` [Intel-wired-lan] " Steve Douthit
2018-12-06 15:50 ` [PATCH net-next v5 1/2] ixgbe: register a mdiobus Steve Douthit
2018-12-06 15:50 ` [Intel-wired-lan] " Steve Douthit
2018-12-06 15:50 ` [PATCH net-next v5 2/2] ixgbe: use mii_bus to handle MII related ioctls Steve Douthit
2018-12-06 15:50 ` [Intel-wired-lan] " Steve Douthit
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