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From: Florian Fainelli <f.fainelli@gmail.com>
To: netdev@vger.kernel.org
Cc: Florian Fainelli <f.fainelli@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Ido Schimmel <idosch@mellanox.com>,
	linux-kernel@vger.kernel.org (open list),
	devel@driverdev.osuosl.org (open list:STAGING SUBSYSTEM),
	bridge@lists.linux-foundation.org (moderated list:ETHERNET
	BRIDGE),
	jiri@mellanox.com, andrew@lunn.ch, vivien.didelot@gmail.com
Subject: [PATCH net-next v3 5/8] rocker: Check Handle PORT_PRE_BRIDGE_FLAGS
Date: Wed, 20 Feb 2019 16:58:23 -0800	[thread overview]
Message-ID: <20190221005826.26317-6-f.fainelli@gmail.com> (raw)
In-Reply-To: <20190221005826.26317-1-f.fainelli@gmail.com>

In preparation for getting rid of switchdev_port_attr_get(), have rocker
check for the bridge flags being set through switchdev_port_attr_set()
with the SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS attribute identifier.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 drivers/net/ethernet/rocker/rocker_main.c | 55 +++++++++++++++++------
 1 file changed, 41 insertions(+), 14 deletions(-)

diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c
index 5ce8d5aba603..25129f7b5583 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -1566,34 +1566,57 @@ static int rocker_world_port_attr_stp_state_set(struct rocker_port *rocker_port,
 }
 
 static int
-rocker_world_port_attr_bridge_flags_set(struct rocker_port *rocker_port,
-					unsigned long brport_flags,
-					struct switchdev_trans *trans)
+rocker_world_port_attr_bridge_flags_support_get(const struct rocker_port *
+						rocker_port,
+						unsigned long *
+						p_brport_flags_support)
 {
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
+	if (!wops->port_attr_bridge_flags_support_get)
+		return -EOPNOTSUPP;
+	return wops->port_attr_bridge_flags_support_get(rocker_port,
+							p_brport_flags_support);
+}
+
+static int
+rocker_world_port_attr_pre_bridge_flags_set(struct rocker_port *rocker_port,
+					    unsigned long brport_flags,
+					    struct switchdev_trans *trans)
+{
+	struct rocker_world_ops *wops = rocker_port->rocker->wops;
+	unsigned long brport_flags_s;
+	int err;
+
 	if (!wops->port_attr_bridge_flags_set)
 		return -EOPNOTSUPP;
 
-	if (switchdev_trans_ph_prepare(trans))
-		return 0;
+	err = rocker_world_port_attr_bridge_flags_support_get(rocker_port,
+							      &brport_flags_s);
+	if (err)
+		return err;
 
-	return wops->port_attr_bridge_flags_set(rocker_port, brport_flags,
-						trans);
+	if (brport_flags & ~brport_flags_s)
+		return -EINVAL;
+
+	return 0;
 }
 
 static int
-rocker_world_port_attr_bridge_flags_support_get(const struct rocker_port *
-						rocker_port,
-						unsigned long *
-						p_brport_flags_support)
+rocker_world_port_attr_bridge_flags_set(struct rocker_port *rocker_port,
+					unsigned long brport_flags,
+					struct switchdev_trans *trans)
 {
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
-	if (!wops->port_attr_bridge_flags_support_get)
+	if (!wops->port_attr_bridge_flags_set)
 		return -EOPNOTSUPP;
-	return wops->port_attr_bridge_flags_support_get(rocker_port,
-							p_brport_flags_support);
+
+	if (switchdev_trans_ph_prepare(trans))
+		return 0;
+
+	return wops->port_attr_bridge_flags_set(rocker_port, brport_flags,
+						trans);
 }
 
 static int
@@ -2074,6 +2097,10 @@ static int rocker_port_attr_set(struct net_device *dev,
 							   attr->u.stp_state,
 							   trans);
 		break;
+	case SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS:
+		err = rocker_world_port_attr_pre_bridge_flags_set(rocker_port,
+							      attr->u.brport_flags,
+							      trans);
 	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
 		err = rocker_world_port_attr_bridge_flags_set(rocker_port,
 							      attr->u.brport_flags,
-- 
2.17.1


  parent reply	other threads:[~2019-02-21  0:58 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-21  0:58 [PATCH net-next v3 0/8] net: Get rid of switchdev_port_attr_get() Florian Fainelli
2019-02-21  0:58 ` [PATCH net-next v3 1/8] net: switchdev: Add PORT_PRE_BRIDGE_FLAGS Florian Fainelli
2019-02-21  9:55   ` Ido Schimmel
2019-02-21  9:56   ` Jiri Pirko
2019-02-21  0:58 ` [PATCH net-next v3 2/8] mlxsw: spectrum: Handle PORT_PRE_BRIDGE_FLAGS Florian Fainelli
2019-02-21  9:56   ` Ido Schimmel
2019-02-21  9:56   ` Jiri Pirko
2019-02-21  0:58 ` [PATCH net-next v3 3/8] staging: fsl-dpaa2: ethsw: " Florian Fainelli
2019-02-21  9:57   ` Jiri Pirko
2019-02-21  0:58 ` [PATCH net-next v3 4/8] net: dsa: Add setter for SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS Florian Fainelli
2019-02-21  9:57   ` Jiri Pirko
2019-02-21  0:58 ` Florian Fainelli [this message]
2019-02-21  9:57   ` [PATCH net-next v3 5/8] rocker: Check Handle PORT_PRE_BRIDGE_FLAGS Jiri Pirko
2019-02-21  0:58 ` [PATCH net-next v3 6/8] net: bridge: Stop calling switchdev_port_attr_get() Florian Fainelli
2019-02-21  9:56   ` Ido Schimmel
2019-02-21  9:57   ` Jiri Pirko
2019-02-21  0:58 ` [PATCH net-next v3 7/8] net: Remove SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT Florian Fainelli
2019-02-21  9:57   ` Jiri Pirko
2019-02-21  0:58 ` [PATCH net-next v3 8/8] net: Get rid of switchdev_port_attr_get() Florian Fainelli
2019-02-21  9:57   ` Ido Schimmel
2019-02-21  9:57   ` Jiri Pirko

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