[PATCH net-next 03/16] staging: fsl-dpaa2: ethsw: Check bridge port flags during set

From: Florian Fainelli
Date: Fri Feb 08 2019 - 19:33:26 EST


In preparation for removing SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT,
have ethsw check that the bridge port flags that are being set are
supported.

Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
---
drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
index e559f4c25cf7..6228c4375835 100644
--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
+++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
@@ -680,8 +680,11 @@ static int port_attr_br_flags_set(struct net_device *netdev,
struct ethsw_port_priv *port_priv = netdev_priv(netdev);
int err = 0;

- if (switchdev_trans_ph_prepare(trans))
+ if (switchdev_trans_ph_prepare(trans)) {
+ if (flags & ~(BR_LEARNING | BR_FLOOD))
+ return -EOPNOTSUPP;
return 0;
+ }

/* Learning is enabled per switch */
err = ethsw_set_learning(port_priv->ethsw_data, flags & BR_LEARNING);
--
2.17.1