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Message-ID: <20240405152502.wapf4btqq3dtqeq2@skbuf>
Date: Fri, 5 Apr 2024 18:25:02 +0300
From: Vladimir Oltean <olteanv@...il.com>
To: Pawel Dembicki <paweldembicki@...il.com>
Cc: netdev@...r.kernel.org, Linus Walleij <linus.walleij@...aro.org>,
Simon Horman <horms@...nel.org>,
Florian Fainelli <florian.fainelli@...adcom.com>,
Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Claudiu Manoil <claudiu.manoil@....com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
UNGLinuxDriver@...rochip.com, Russell King <linux@...linux.org.uk>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v8 15/16] net: dsa: vsc73xx: Add bridge support
On Wed, Apr 03, 2024 at 12:37:31PM +0200, Pawel Dembicki wrote:
> This patch adds bridge support for vsc73xx driver.
> It introduce two functions for port_bridge_join and
> vsc73xx_port_bridge_leave handling.
>
> Those functions implement forwarding adjust and use
> dsa_tag_8021q_bridge_* api for adjust VLAN configuration.
>
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> Signed-off-by: Pawel Dembicki <paweldembicki@...il.com>
> Reviewed-by: Vladimir Oltean <olteanv@...il.com>
> Reviewed-by: Florian Fainelli <florian.fainelli@...adcom.com>
> ---
> diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c
> index d0442ea8a610..87922804d1c1 100644
> --- a/drivers/net/dsa/vitesse-vsc73xx-core.c
> +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c
> +static int vsc73xx_port_bridge_join(struct dsa_switch *ds, int port,
> + struct dsa_bridge bridge,
> + bool *tx_fwd_offload,
> + struct netlink_ext_ack *extack)
> +{
> + *tx_fwd_offload = true;
> +
> + return dsa_tag_8021q_bridge_join(ds, port, bridge);
> +}
> +
> +static void vsc73xx_port_bridge_leave(struct dsa_switch *ds, int port,
> + struct dsa_bridge bridge)
> +{
> + dsa_tag_8021q_bridge_leave(ds, port, bridge);
> +}
> +
> static int vsc73xx_port_setup(struct dsa_switch *ds, int port)
> {
> struct vsc73xx_portinfo *portinfo;
> @@ -1708,6 +1727,8 @@ static const struct dsa_switch_ops vsc73xx_ds_ops = {
> .port_setup = vsc73xx_port_setup,
> .port_enable = vsc73xx_port_enable,
> .port_disable = vsc73xx_port_disable,
> + .port_bridge_join = vsc73xx_port_bridge_join,
> + .port_bridge_leave = vsc73xx_port_bridge_leave,
> .port_change_mtu = vsc73xx_change_mtu,
> .port_max_mtu = vsc73xx_get_max_mtu,
> .port_stp_state_set = vsc73xx_port_stp_state_set,
> --
> 2.34.1
>
Making a mental note here, out loud, that after this patch set is
merged, "*tx_fwd_offload = true" should be absorbed into
dsa_tag_8021q_bridge_join(). Then, you could simply point
ds->ops->port_bridge_join() and ds->ops->port_bridge_leave() to the
generic tag_8021q methods, without the need for intermediary shims.
Looking at my upcoming schedule, I'll probably forget. Could you please
try to remember to do it?
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