diff mbox series

[RFC,v2,net-next,05/16] net: dsa: sync up VLAN filtering state when joining the bridge

Message ID 20210318231829.3892920-6-olteanv@gmail.com
State Superseded
Headers show
Series Better support for sandwiched LAGs with bridge and DSA | expand

Commit Message

Vladimir Oltean March 18, 2021, 11:18 p.m. UTC 
From: Vladimir Oltean <vladimir.oltean@nxp.com>

This is the same situation as for other switchdev port attributes: if we
join an already-created bridge port, such as a bond master interface,
then we can miss the initial switchdev notification emitted by the
bridge for this port.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
 net/dsa/port.c | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Tobias Waldekranz March 22, 2021, 10:30 a.m. UTC | #1 
On Fri, Mar 19, 2021 at 01:18, Vladimir Oltean <olteanv@gmail.com> wrote:
> From: Vladimir Oltean <vladimir.oltean@nxp.com>

>

> This is the same situation as for other switchdev port attributes: if we

> join an already-created bridge port, such as a bond master interface,

> then we can miss the initial switchdev notification emitted by the

> bridge for this port.

>

> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>

> ---


Reviewed-by: Tobias Waldekranz <tobias@waldekranz.com>
diff mbox series

Patch

diff --git a/net/dsa/port.c b/net/dsa/port.c
index 785374744462..ac1afe182c3b 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -172,6 +172,7 @@  static int dsa_port_switchdev_sync(struct dsa_port *dp,
 				   struct netlink_ext_ack *extack)
 {
 	struct net_device *brport_dev = dsa_port_to_bridge_port(dp);
+	struct net_device *br = dp->bridge_dev;
 	u8 stp_state;
 	int err;
 
@@ -184,6 +185,10 @@  static int dsa_port_switchdev_sync(struct dsa_port *dp,
 	if (err && err != -EOPNOTSUPP)
 		return err;
 
+	err = dsa_port_vlan_filtering(dp, br, extack);
+	if (err && err != -EOPNOTSUPP)
+		return err;
+
 	return 0;
 }
 
@@ -205,6 +210,8 @@  static void dsa_port_switchdev_unsync(struct dsa_port *dp)
 	 * so allow it to be in BR_STATE_FORWARDING to be kept functional
 	 */
 	dsa_port_set_state_now(dp, BR_STATE_FORWARDING);
+
+	/* VLAN filtering is handled by dsa_switch_bridge_leave */
 }
 
 int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br,