netdevsim: extend device attrs to support port addition and deletion
In order to test flows in core, it is beneficial to maintain previously
supported possibility to add and delete ports during netdevsim lifetime.
Do it by extending device sysfs attrs by "new_port" and "del_port".
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/netdevsim/bus.c b/drivers/net/netdevsim/bus.c
index 1ee14e1..549c399 100644
--- a/drivers/net/netdevsim/bus.c
+++ b/drivers/net/netdevsim/bus.c
@@ -91,8 +91,44 @@
__ATTR(sriov_numvfs, 0664, nsim_bus_dev_numvfs_show,
nsim_bus_dev_numvfs_store);
+static ssize_t
+new_port_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct nsim_bus_dev *nsim_bus_dev = to_nsim_bus_dev(dev);
+ unsigned int port_index;
+ int ret;
+
+ ret = kstrtouint(buf, 0, &port_index);
+ if (ret)
+ return ret;
+ ret = nsim_dev_port_add(nsim_bus_dev, port_index);
+ return ret ? ret : count;
+}
+
+static struct device_attribute nsim_bus_dev_new_port_attr = __ATTR_WO(new_port);
+
+static ssize_t
+del_port_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct nsim_bus_dev *nsim_bus_dev = to_nsim_bus_dev(dev);
+ unsigned int port_index;
+ int ret;
+
+ ret = kstrtouint(buf, 0, &port_index);
+ if (ret)
+ return ret;
+ ret = nsim_dev_port_del(nsim_bus_dev, port_index);
+ return ret ? ret : count;
+}
+
+static struct device_attribute nsim_bus_dev_del_port_attr = __ATTR_WO(del_port);
+
static struct attribute *nsim_bus_dev_attrs[] = {
&nsim_bus_dev_numvfs_attr.attr,
+ &nsim_bus_dev_new_port_attr.attr,
+ &nsim_bus_dev_del_port_attr.attr,
NULL,
};