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Date:   Fri,  8 Feb 2019 16:32:39 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Ido Schimmel <idosch@...lanox.com>,
        linux-kernel@...r.kernel.org (open list),
        devel@...verdev.osuosl.org (open list:STAGING SUBSYSTEM),
        bridge@...ts.linux-foundation.org (moderated list:ETHERNET BRIDGE),
        jiri@...lanox.com, andrew@...n.ch, vivien.didelot@...il.com
Subject: [PATCH net-next 07/16] net: Remove SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT

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.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 .../net/ethernet/mellanox/mlxsw/spectrum_switchdev.c   |  4 ----
 drivers/net/ethernet/rocker/rocker_main.c              |  4 ----
 drivers/staging/fsl-dpaa2/ethsw/ethsw.c                |  3 ---
 include/net/switchdev.h                                |  2 --
 net/dsa/slave.c                                        | 10 +---------
 5 files changed, 1 insertion(+), 22 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 468a6d513074..8242a373f6e7 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -455,10 +455,6 @@ static int mlxsw_sp_port_attr_get(struct net_device *dev,
 		mlxsw_sp_port_bridge_flags_get(mlxsw_sp->bridge, attr->orig_dev,
 					       &attr->u.brport_flags);
 		break;
-	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
-		attr->u.brport_flags_support = BR_LEARNING | BR_FLOOD |
-					       BR_MCAST_FLOOD;
-		break;
 	default:
 		return -EOPNOTSUPP;
 	}
diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c
index 8657313b6f30..375c4c908bea 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -2075,10 +2075,6 @@ static int rocker_port_attr_get(struct net_device *dev,
 		err = rocker_world_port_attr_bridge_flags_get(rocker_port,
 							      &attr->u.brport_flags);
 		break;
-	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;
 	}
diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
index 6228c4375835..79635d1091df 100644
--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
+++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
@@ -651,9 +651,6 @@ static int swdev_port_attr_get(struct net_device *netdev,
 			(port_priv->ethsw_data->learning ? BR_LEARNING : 0) |
 			(port_priv->flood ? BR_FLOOD : 0);
 		break;
-	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
-		attr->u.brport_flags_support = BR_LEARNING | BR_FLOOD;
-		break;
 	default:
 		return -EOPNOTSUPP;
 	}
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 5e87b54c5dc5..e2083824e577 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_MROUTER,
 	SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
 	SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
@@ -62,7 +61,6 @@ struct switchdev_attr {
 	union {
 		u8 stp_state;				/* PORT_STP_STATE */
 		unsigned long brport_flags;		/* PORT_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 212fc1cc27fc..5797da954e77 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -382,15 +382,7 @@ 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)
 {
-	switch (attr->id) {
-	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
-		attr->u.brport_flags_support = 0;
-		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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