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Subject[PATCH net-next v2 6/9] rocker: Check Handle PORT_PRE_BRIDGE_FLAGS
Date
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 | 56 ++++++++++++++++++-----
1 file changed, 44 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c
index 5ce8d5aba603..2102e449c037 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -1566,34 +1566,62 @@ 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_bridge_pre_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;

- return wops->port_attr_bridge_flags_set(rocker_port, brport_flags,
- trans);
+ err = rocker_world_port_attr_bridge_flags_support_get(rocker_port,
+ &brport_flags_s);
+ if (err)
+ return err;
+
+ 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;
+ unsigned long brport_flags_s;
+ int err;

- 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 +2102,10 @@ 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_bridge_pre_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
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