[PATCH net-next v2 04/16] net: dsa: Add setter for SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS

[Florian Fainelli]

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 attribute and returns not supported
for any flag set, since DSA does not currently support toggling those
bridge port attributes (yet).

Acked-by: Jiri Pirko <j...@mellanox.com>
Signed-off-by: Florian Fainelli <f.faine...@gmail.com>
---
 net/dsa/dsa_priv.h |  3 +++
 net/dsa/port.c     | 10 ++++++++++
 net/dsa/slave.c    |  4 ++++
 3 files changed, 17 insertions(+)

diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index 1f4972dab9f2..97594f0b6efb 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -150,6 +150,9 @@ int dsa_port_vlan_filtering(struct dsa_port *dp, bool 
vlan_filtering,
                            struct switchdev_trans *trans);
 int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
                         struct switchdev_trans *trans);
+int dsa_port_bridge_port_flags_set(struct dsa_port *dp,
+                                  unsigned long brport_flags,
+                                  struct switchdev_trans *trans);
 int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
                     u16 vid);
 int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
diff --git a/net/dsa/port.c b/net/dsa/port.c
index 2d7e01b23572..2ce3752203cf 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -177,6 +177,16 @@ 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_bridge_port_flags_set(struct dsa_port *dp,
+                                  unsigned long brport_flags,
+                                  struct switchdev_trans *trans)
+{
+       if (brport_flags)
+               return -EOPNOTSUPP;
+
+       return 0;
+}
+
 int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
                     u16 vid)
 {
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 2e5e7c04821b..9b499ba88aa7 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_BRIDGE_FLAGS:
+               ret = dsa_port_bridge_port_flags_set(dp, attr->u.brport_flags,
+                                                    trans);
+               break;
        default:
                ret = -EOPNOTSUPP;
                break;
-- 
2.19.1

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