[PATCH net-next v3 7/8] net: Remove SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT

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Now that we have converted the bridge code and the drivers to check for
bridge port(s) flags at the time we try to set them, there is no need
for a get() -> set() sequence anymore and
SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT therefore becomes unused.

Reviewed-by: Ido Schimmel <idosch@xxxxxxxxxxxx>
Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
---
 Documentation/networking/switchdev.txt           |  6 ++----
 .../ethernet/mellanox/mlxsw/spectrum_switchdev.c | 11 +----------
 drivers/net/ethernet/rocker/rocker_main.c        | 14 +-------------
 drivers/staging/fsl-dpaa2/ethsw/ethsw.c          | 10 +---------
 include/net/switchdev.h                          |  2 --
 net/dsa/slave.c                                  | 16 +---------------
 6 files changed, 6 insertions(+), 53 deletions(-)

diff --git a/Documentation/networking/switchdev.txt b/Documentation/networking/switchdev.txt
index f3244d87512a..79c8b0f16aee 100644
--- a/Documentation/networking/switchdev.txt
+++ b/Documentation/networking/switchdev.txt
@@ -232,10 +232,8 @@ Learning_sync attribute enables syncing of the learned/forgotten FDB entry to
 the bridge's FDB.  It's possible, but not optimal, to enable learning on the
 device port and on the bridge port, and disable learning_sync.
 
-To support learning and learning_sync port attributes, the driver implements
-switchdev op switchdev_port_attr_get/set for
-SWITCHDEV_ATTR_PORT_ID_BRIDGE_FLAGS. The driver should initialize the attributes
-to the hardware defaults.
+To support learning, the driver implements switchdev op
+switchdev_port_attr_get/set for SWITCHDEV_ATTR_PORT_ID_BRIDGE_FLAGS.
 
 FDB Ageing
 ^^^^^^^^^^
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 9a8798f74d2b..bbb5a406232e 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -434,16 +434,7 @@ static void mlxsw_sp_bridge_vlan_put(struct mlxsw_sp_bridge_vlan *bridge_vlan)
 static int mlxsw_sp_port_attr_get(struct net_device *dev,
 				  struct switchdev_attr *attr)
 {
-	switch (attr->id) {
-	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
-		attr->u.brport_flags_support = BR_LEARNING | BR_FLOOD |
-					       BR_MCAST_FLOOD;
-		break;
-	default:
-		return -EOPNOTSUPP;
-	}
-
-	return 0;
+	return -EOPNOTSUPP;
 }
 
 static int
diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c
index 25129f7b5583..6b8273e2057d 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -2069,19 +2069,7 @@ static const struct net_device_ops rocker_port_netdev_ops = {
 static int rocker_port_attr_get(struct net_device *dev,
 				struct switchdev_attr *attr)
 {
-	const struct rocker_port *rocker_port = netdev_priv(dev);
-	int err = 0;
-
-	switch (attr->id) {
-	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
-		err = rocker_world_port_attr_bridge_flags_support_get(rocker_port,
-								      &attr->u.brport_flags_support);
-		break;
-	default:
-		return -EOPNOTSUPP;
-	}
-
-	return err;
+	return -EOPNOTSUPP;
 }
 
 static int rocker_port_attr_set(struct net_device *dev,
diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
index 331625137717..de4dcabbc29a 100644
--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
+++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
@@ -643,15 +643,7 @@ static void ethsw_teardown_irqs(struct fsl_mc_device *sw_dev)
 static int swdev_port_attr_get(struct net_device *netdev,
 			       struct switchdev_attr *attr)
 {
-	switch (attr->id) {
-	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
-		attr->u.brport_flags_support = BR_LEARNING | BR_FLOOD;
-		break;
-	default:
-		return -EOPNOTSUPP;
-	}
-
-	return 0;
+	return -EOPNOTSUPP;
 }
 
 static int port_attr_stp_state_set(struct net_device *netdev,
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index de72b0a3867f..0f352019ef99 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -45,7 +45,6 @@ enum switchdev_attr_id {
 	SWITCHDEV_ATTR_ID_UNDEFINED,
 	SWITCHDEV_ATTR_ID_PORT_STP_STATE,
 	SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
-	SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT,
 	SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS,
 	SWITCHDEV_ATTR_ID_PORT_MROUTER,
 	SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
@@ -63,7 +62,6 @@ struct switchdev_attr {
 	union {
 		u8 stp_state;				/* PORT_STP_STATE */
 		unsigned long brport_flags;		/* PORT_{PRE}_BRIDGE_FLAGS */
-		unsigned long brport_flags_support;	/* PORT_BRIDGE_FLAGS_SUPPORT */
 		bool mrouter;				/* PORT_MROUTER */
 		clock_t ageing_time;			/* BRIDGE_AGEING_TIME */
 		bool vlan_filtering;			/* BRIDGE_VLAN_FILTERING */
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 44cc4e50dd5a..db0a2651070f 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -388,21 +388,7 @@ static int dsa_slave_get_port_parent_id(struct net_device *dev,
 static int dsa_slave_port_attr_get(struct net_device *dev,
 				   struct switchdev_attr *attr)
 {
-	struct dsa_port *dp = dsa_slave_to_port(dev);
-	struct dsa_switch *ds = dp->ds;
-
-	switch (attr->id) {
-	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
-		attr->u.brport_flags_support = 0;
-		if (ds->ops->port_egress_floods)
-			attr->u.brport_flags_support |= BR_FLOOD |
-							BR_MCAST_FLOOD;
-		break;
-	default:
-		return -EOPNOTSUPP;
-	}
-
-	return 0;
+	return -EOPNOTSUPP;
 }
 
 static inline netdev_tx_t dsa_slave_netpoll_send_skb(struct net_device *dev,
-- 
2.17.1




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