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Subject[PATCH net-next v3 4/8] net: dsa: Add setter for SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS
Date
In preparation for removing SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT,
add support for a function that processes the
SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS and
SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS attributes and returns not
supported for any flag set, since DSA does not currently support
toggling those bridge port attributes (yet).

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
net/dsa/dsa_priv.h | 2 ++
net/dsa/port.c | 12 ++++++++++++
net/dsa/slave.c | 4 ++++
3 files changed, 18 insertions(+)

diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index f4f99ec29f5d..47a1d1379d15 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -160,6 +160,8 @@ int dsa_port_mdb_add(const struct dsa_port *dp,
struct switchdev_trans *trans);
int dsa_port_mdb_del(const struct dsa_port *dp,
const struct switchdev_obj_port_mdb *mdb);
+int dsa_port_pre_bridge_flags(const struct dsa_port *dp, unsigned long flags,
+ struct switchdev_trans *trans);
int dsa_port_bridge_flags(const struct dsa_port *dp, unsigned long flags,
struct switchdev_trans *trans);
int dsa_port_vlan_add(struct dsa_port *dp,
diff --git a/net/dsa/port.c b/net/dsa/port.c
index 7bc2a5ad95c6..e9b5b50f8cf1 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -187,6 +187,18 @@ int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
return dsa_port_notify(dp, DSA_NOTIFIER_AGEING_TIME, &info);
}

+int dsa_port_pre_bridge_flags(const struct dsa_port *dp, unsigned long flags,
+ struct switchdev_trans *trans)
+{
+ struct dsa_switch *ds = dp->ds;
+
+ if (!ds->ops->port_egress_floods ||
+ (flags & ~(BR_FLOOD | BR_MCAST_FLOOD)))
+ return -EINVAL;
+
+ return 0;
+}
+
int dsa_port_bridge_flags(const struct dsa_port *dp, unsigned long flags,
struct switchdev_trans *trans)
{
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 85dc68611002..44cc4e50dd5a 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -295,6 +295,10 @@ static int dsa_slave_port_attr_set(struct net_device *dev,
case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME:
ret = dsa_port_ageing_time(dp, attr->u.ageing_time, trans);
break;
+ case SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS:
+ ret = dsa_port_pre_bridge_flags(dp, attr->u.brport_flags,
+ trans);
+ break;
case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
ret = dsa_port_bridge_flags(dp, attr->u.brport_flags, trans);
break;
--
2.17.1
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