netdev - [PATCH net-next 5/9] mlxsw: spectrum_switchdev: Create common functions for VLAN-aware bridge

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Message-Id: <20201129125407.1391557-6-idosch@idosch.org>
Date:   Sun, 29 Nov 2020 14:54:03 +0200
From:   Ido Schimmel <idosch@...sch.org>
To:     netdev@...r.kernel.org, bridge@...ts.linux-foundation.org
Cc:     davem@...emloft.net, kuba@...nel.org, jiri@...dia.com,
        ivecera@...hat.com, roopa@...dia.com, nikolay@...dia.com,
        amcohen@...dia.com, danieller@...dia.com, petrm@...dia.com,
        mlxsw@...dia.com, Ido Schimmel <idosch@...dia.com>
Subject: [PATCH net-next 5/9] mlxsw: spectrum_switchdev: Create common functions for VLAN-aware bridge

From: Amit Cohen <amcohen@...dia.com>

The code in mlxsw_sp_bridge_8021q_port_{join, leave}() can be used also
for 802.1ad bridge.

Move the code to functions called
mlxsw_sp_bridge_vlan_aware_port_{join, leave}() and call them from
mlxsw_sp_bridge_8021q_port_{join, leave}() respectively to enable code
reuse.

Signed-off-by: Amit Cohen <amcohen@...dia.com>
Reviewed-by: Petr Machata <petrm@...dia.com>
Signed-off-by: Ido Schimmel <idosch@...dia.com>
---
 .../mellanox/mlxsw/spectrum_switchdev.c       | 29 ++++++++++++++-----
 1 file changed, 22 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index a4aa2f620066..dfb97a847efc 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -1979,10 +1979,9 @@ static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp,
 }
 
 static int
-mlxsw_sp_bridge_8021q_port_join(struct mlxsw_sp_bridge_device *bridge_device,
-				struct mlxsw_sp_bridge_port *bridge_port,
-				struct mlxsw_sp_port *mlxsw_sp_port,
-				struct netlink_ext_ack *extack)
+mlxsw_sp_bridge_vlan_aware_port_join(struct mlxsw_sp_bridge_port *bridge_port,
+				     struct mlxsw_sp_port *mlxsw_sp_port,
+				     struct netlink_ext_ack *extack)
 {
 	if (is_vlan_dev(bridge_port->dev)) {
 		NL_SET_ERR_MSG_MOD(extack, "Can not enslave a VLAN device to a VLAN-aware bridge");
@@ -1996,16 +1995,32 @@ mlxsw_sp_bridge_8021q_port_join(struct mlxsw_sp_bridge_device *bridge_device,
 	return 0;
 }
 
+static int
+mlxsw_sp_bridge_8021q_port_join(struct mlxsw_sp_bridge_device *bridge_device,
+				struct mlxsw_sp_bridge_port *bridge_port,
+				struct mlxsw_sp_port *mlxsw_sp_port,
+				struct netlink_ext_ack *extack)
+{
+	return mlxsw_sp_bridge_vlan_aware_port_join(bridge_port, mlxsw_sp_port,
+						    extack);
+}
+
 static void
-mlxsw_sp_bridge_8021q_port_leave(struct mlxsw_sp_bridge_device *bridge_device,
-				 struct mlxsw_sp_bridge_port *bridge_port,
-				 struct mlxsw_sp_port *mlxsw_sp_port)
+mlxsw_sp_bridge_vlan_aware_port_leave(struct mlxsw_sp_port *mlxsw_sp_port)
 {
 	/* Make sure untagged frames are allowed to ingress */
 	mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID,
 			       ETH_P_8021Q);
 }
 
+static void
+mlxsw_sp_bridge_8021q_port_leave(struct mlxsw_sp_bridge_device *bridge_device,
+				 struct mlxsw_sp_bridge_port *bridge_port,
+				 struct mlxsw_sp_port *mlxsw_sp_port)
+{
+	mlxsw_sp_bridge_vlan_aware_port_leave(mlxsw_sp_port);
+}
+
 static int
 mlxsw_sp_bridge_8021q_vxlan_join(struct mlxsw_sp_bridge_device *bridge_device,
 				 const struct net_device *vxlan_dev, u16 vid,
-- 
2.28.0