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Message-ID: <20210610160828.GB29315@plvision.eu>
Date:   Thu, 10 Jun 2021 19:08:28 +0300
From:   Vadym Kochan <vadym.kochan@...ision.eu>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        Andrew Lunn <andrew@...n.ch>,
        Vladimir Oltean <olteanv@...il.com>
Cc:     Taras Chornyi <tchornyi@...vell.com>, linux-kernel@...r.kernel.org,
        Mickey Rachamim <mickeyr@...vell.com>,
        Vadym Kochan <vkochan@...vell.com>
Subject: Re: [PATCH v2 0/3] net: marvell: prestera: add LAG support

Sorry, I did not mark it with a "net-next", will resend.

On Thu, Jun 10, 2021 at 06:43:08PM +0300, Vadym Kochan wrote:
> From: Vadym Kochan <vkochan@...vell.com>
> 
> The following features are supported:
> 
>     - LAG basic operations
>         - create/delete LAG
>         - add/remove a member to LAG
>         - enable/disable member in LAG
>     - LAG Bridge support
>     - LAG VLAN support
>     - LAG FDB support
> 
> Limitations:
> 
>     - Only HASH lag tx type is supported
>     - The Hash parameters are not configurable. They are applied
>       during the LAG creation stage.
>     - Enslaving a port to the LAG device that already has an
>       upper device is not supported.
> 
> Changes extracted from:
> 
>     https://lkml.org/lkml/2021/2/3/877
> 
> and marked with "v2".
> 
> v2:
> 
>     There are 2 additional preparation patches which simplifies the
>     netdev topology handling.
> 
>     1) Initialize 'lag' with NULL in prestera_lag_create()             [suggested by Vladimir Oltean]
> 
>     2) Use -ENOSPC in prestera_lag_port_add() if max lag               [suggested by Vladimir Oltean]
>        numbers were reached.
> 
>     3) Do not propagate netdev events to prestera_switchdev            [suggested by Vladimir Oltean]
>        but call bridge specific funcs. It simplifies the code.
> 
>     4) Check on info->link_up in prestera_netdev_port_lower_event()    [suggested by Vladimir Oltean]
> 
>     5) Return -EOPNOTSUPP in prestera_netdev_port_event() in case      [suggested by Vladimir Oltean]
>        LAG hashing mode is not supported.
> 
>     6) Do not pass "lower" netdev to bridge join/leave functions.      [suggested by Vladimir Oltean]
>        It is not need as offloading settings applied on particular
>        physical port. It requires to do extra upper dev lookup
>        in case port is in the LAG which is in the bridge on vlans add/del.
> 
> Serhiy Boiko (1):
>   net: marvell: prestera: add LAG support
> 
> Vadym Kochan (2):
>   net: marvell: prestera: move netdev topology validation to
>     prestera_main
>   net: marvell: prestera: do not propagate netdev events to
>     prestera_switchdev.c
> 
>  .../net/ethernet/marvell/prestera/prestera.h  |  30 +-
>  .../ethernet/marvell/prestera/prestera_hw.c   | 180 +++++++++++-
>  .../ethernet/marvell/prestera/prestera_hw.h   |  14 +
>  .../ethernet/marvell/prestera/prestera_main.c | 267 +++++++++++++++++-
>  .../marvell/prestera/prestera_switchdev.c     | 163 ++++++-----
>  .../marvell/prestera/prestera_switchdev.h     |   7 +-
>  6 files changed, 573 insertions(+), 88 deletions(-)
> 
> -- 
> 2.17.1
> 

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