From: Scott Feldman <sfel...@gmail.com>
This allows us to recurse over all the ports, skipping over unsupporting
ports. Without the change, the recursion would stop at first unsupported
port.
Signed-off-by: Scott Feldman <sfel...@gmail.com>
---
include/net/switchdev.h | 1 +
net/switchdev/switchdev.c | 9 ++++++++-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 61f129b..1ce7083 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -16,6 +16,7 @@
#include <linux/list.h>
#define SWITCHDEV_F_NO_RECURSE BIT(0)
+#define SWITCHDEV_F_SKIP_EOPNOTSUPP BIT(1)
struct switchdev_trans_item {
struct list_head list;
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 6e4a4f9..7a9ab90 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -147,7 +147,7 @@ static int __switchdev_port_attr_set(struct net_device *dev,
return ops->switchdev_port_attr_set(dev, attr, trans);
if (attr->flags & SWITCHDEV_F_NO_RECURSE)
- return err;
+ goto done;
/* Switch device port(s) may be stacked under
* bond/team/vlan dev, so recurse down to set attr on
@@ -156,10 +156,17 @@ static int __switchdev_port_attr_set(struct net_device
*dev,
netdev_for_each_lower_dev(dev, lower_dev, iter) {
err = __switchdev_port_attr_set(lower_dev, attr, trans);
+ if (err == -EOPNOTSUPP &&
+ attr->flags & SWITCHDEV_F_SKIP_EOPNOTSUPP)
+ continue;
if (err)
break;
}
+done:
+ if (err == -EOPNOTSUPP && attr->flags & SWITCHDEV_F_SKIP_EOPNOTSUPP)
+ err = 0;
+
return err;
}
--
1.7.10.4
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