netdev - [PATCH net-next 05/10] mlxsw: spectrum: Reduce dependency between bridge and router code

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Message-Id: <20200217142940.307014-6-idosch@idosch.org>
Date:   Mon, 17 Feb 2020 16:29:35 +0200
From:   Ido Schimmel <idosch@...sch.org>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, jiri@...lanox.com, mlxsw@...lanox.com,
        Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 05/10] mlxsw: spectrum: Reduce dependency between bridge and router code

From: Ido Schimmel <idosch@...lanox.com>

Commit f40be47a3e40 ("mlxsw: spectrum_router: Do not force specific
configuration order") added a call from the routing code to the bridge
code in order to handle the case where VNI should be set on a FID
following the joining of the router port to the FID.

This is no longer required, as previous patches made VXLAN devices
explicitly take a reference on the FID and set VNI on it.

Therefore, remove the unnecessary call and simply have the RIF take a
reference on the FID without checking if VNI should also be set on it.

Signed-off-by: Ido Schimmel <idosch@...lanox.com>
Acked-by: Jiri Pirko <jiri@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum.h     |  4 ----
 .../net/ethernet/mellanox/mlxsw/spectrum_router.c  |  4 ++--
 .../ethernet/mellanox/mlxsw/spectrum_switchdev.c   | 14 --------------
 3 files changed, 2 insertions(+), 20 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
index a0f1f9dceec5..4c3d39223a46 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -468,10 +468,6 @@ int mlxsw_sp_bridge_vxlan_join(struct mlxsw_sp *mlxsw_sp,
 			       struct netlink_ext_ack *extack);
 void mlxsw_sp_bridge_vxlan_leave(struct mlxsw_sp *mlxsw_sp,
 				 const struct net_device *vxlan_dev);
-struct mlxsw_sp_fid *mlxsw_sp_bridge_fid_get(struct mlxsw_sp *mlxsw_sp,
-					     const struct net_device *br_dev,
-					     u16 vid,
-					     struct netlink_ext_ack *extack);
 extern struct notifier_block mlxsw_sp_switchdev_notifier;
 
 /* spectrum.c */
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 4a77b511ead2..def75d7fcd06 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -7428,7 +7428,7 @@ mlxsw_sp_rif_vlan_fid_get(struct mlxsw_sp_rif *rif,
 		}
 	}
 
-	return mlxsw_sp_bridge_fid_get(rif->mlxsw_sp, br_dev, vid, extack);
+	return mlxsw_sp_fid_8021q_get(rif->mlxsw_sp, vid);
 }
 
 static void mlxsw_sp_rif_vlan_fdb_del(struct mlxsw_sp_rif *rif, const char *mac)
@@ -7519,7 +7519,7 @@ static struct mlxsw_sp_fid *
 mlxsw_sp_rif_fid_fid_get(struct mlxsw_sp_rif *rif,
 			 struct netlink_ext_ack *extack)
 {
-	return mlxsw_sp_bridge_fid_get(rif->mlxsw_sp, rif->dev, 0, extack);
+	return mlxsw_sp_fid_8021d_get(rif->mlxsw_sp, rif->dev->ifindex);
 }
 
 static void mlxsw_sp_rif_fid_fdb_del(struct mlxsw_sp_rif *rif, const char *mac)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index c3a890e0bba1..6213fa43aa7b 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -2358,20 +2358,6 @@ void mlxsw_sp_bridge_vxlan_leave(struct mlxsw_sp *mlxsw_sp,
 	mlxsw_sp_fid_put(fid);
 }
 
-struct mlxsw_sp_fid *mlxsw_sp_bridge_fid_get(struct mlxsw_sp *mlxsw_sp,
-					     const struct net_device *br_dev,
-					     u16 vid,
-					     struct netlink_ext_ack *extack)
-{
-	struct mlxsw_sp_bridge_device *bridge_device;
-
-	bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, br_dev);
-	if (WARN_ON(!bridge_device))
-		return ERR_PTR(-EINVAL);
-
-	return bridge_device->ops->fid_get(bridge_device, vid, extack);
-}
-
 static void
 mlxsw_sp_switchdev_vxlan_addr_convert(const union vxlan_addr *vxlan_addr,
 				      enum mlxsw_sp_l3proto *proto,
-- 
2.24.1