netdev - Re: [net-next 16/17] net/mlx5: Bridge, allow merged eswitch connectivity

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Message-ID: <20210816153826.4b7e4330@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Mon, 16 Aug 2021 15:38:26 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Saeed Mahameed <saeed@...nel.org>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Tariq Toukan <tariqt@...dia.com>,
        Leon Romanovsky <leonro@...dia.com>,
        Vlad Buslov <vladbu@...dia.com>, Roi Dayan <roid@...dia.com>,
        Mark Bloch <mbloch@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: Re: [net-next 16/17] net/mlx5: Bridge, allow merged eswitch
 connectivity

On Mon, 16 Aug 2021 14:18:46 -0700 Saeed Mahameed wrote:
> From: Vlad Buslov <vladbu@...dia.com>
> 
> Allow connectivity between representors of different eswitch instances that
> are attached to same bridge when merged_eswitch capability is enabled. Add
> ports of peer eswitch to bridge instance and mark them with
> MLX5_ESW_BRIDGE_PORT_FLAG_PEER. Mark FDBs offloaded on peer ports with
> MLX5_ESW_BRIDGE_FLAG_PEER flag. Such FDBs can only be aged out on their
> local eswitch instance, which then sends SWITCHDEV_FDB_DEL_TO_BRIDGE event.
> Listen to the event on mlx5 bridge implementation and delete peer FDBs in
> event handler.
> 
> Signed-off-by: Vlad Buslov <vladbu@...dia.com>
> Reviewed-by: Roi Dayan <roid@...dia.com>
> Reviewed-by: Mark Bloch <mbloch@...dia.com>
> Signed-off-by: Saeed Mahameed <saeedm@...dia.com>


drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c: In function ‘mlx5_esw_bridge_switchdev_fdb_event_work’:
drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c:286:21: warning: variable ‘priv’ set but not used [-Wunused-but-set-variable]
  286 |  struct mlx5e_priv *priv;
      |                     ^~~~