netdev - Re: [PATCH net-next] net: sparx5: Support offloading of bridge port flooding flags

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Message-ID: <8ec4fb94e694396ce6bdffab514ab1b47bec1a60.camel@microchip.com>
Date:   Mon, 21 Feb 2022 08:59:30 +0100
From:   Steen Hegelund <steen.hegelund@...rochip.com>
To:     Casper Andersson <casper@...an.se>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        <UNGLinuxDriver@...rochip.com>,
        Horatiu Vultur <Horatiu.Vultur@...rochip.com>
CC:     <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next] net: sparx5: Support offloading of bridge port
 flooding flags

On Thu, 2022-02-17 at 14:45 +0000, Casper Andersson wrote:
> [Some people who received this message don't often get email from casper@...an.se. Learn why this
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> 
> Though the SparX-5i can control IPv4/6 multicasts separately from non-IP
> multicasts, these are all muxed onto the bridge's BR_MCAST_FLOOD flag.
> 
> Signed-off-by: Casper Andersson <casper@...an.se>
> ---
>  drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c
> b/drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c
> index 649ca609884a..27a9eed38316 100644
> --- a/drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c
> +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c
> @@ -22,8 +22,15 @@ struct sparx5_switchdev_event_work {
>  static void sparx5_port_attr_bridge_flags(struct sparx5_port *port,
>                                           struct switchdev_brport_flags flags)
>  {
> +       int pgid;
> +
>         if (flags.mask & BR_MCAST_FLOOD)
> -               sparx5_pgid_update_mask(port, PGID_MC_FLOOD, true);
> +               for (pgid = PGID_MC_FLOOD; pgid <= PGID_IPV6_MC_CTRL; pgid++)
> +                       sparx5_pgid_update_mask(port, pgid, !!(flags.val & BR_MCAST_FLOOD));
> +       if (flags.mask & BR_FLOOD)
> +               sparx5_pgid_update_mask(port, PGID_UC_FLOOD, !!(flags.val & BR_FLOOD));
> +       if (flags.mask & BR_BCAST_FLOOD)
> +               sparx5_pgid_update_mask(port, PGID_BCAST, !!(flags.val & BR_BCAST_FLOOD));
>  }
> 
>  static void sparx5_attr_stp_state_set(struct sparx5_port *port,
> --
> 2.30.2
> 
> 

Reviewed-by: Steen Hegelund <steen.hegelund@...rochip.com>

BR
Steen