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-rw-r--r--net/mctp/test/utils.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/net/mctp/test/utils.c b/net/mctp/test/utils.c
new file mode 100644
index 000000000..e03ba66bb
--- /dev/null
+++ b/net/mctp/test/utils.c
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/netdevice.h>
+#include <linux/mctp.h>
+#include <linux/if_arp.h>
+
+#include <net/mctpdevice.h>
+#include <net/pkt_sched.h>
+
+#include "utils.h"
+
+static netdev_tx_t mctp_test_dev_tx(struct sk_buff *skb,
+ struct net_device *ndev)
+{
+ kfree_skb(skb);
+ return NETDEV_TX_OK;
+}
+
+static const struct net_device_ops mctp_test_netdev_ops = {
+ .ndo_start_xmit = mctp_test_dev_tx,
+};
+
+static void mctp_test_dev_setup(struct net_device *ndev)
+{
+ ndev->type = ARPHRD_MCTP;
+ ndev->mtu = MCTP_DEV_TEST_MTU;
+ ndev->hard_header_len = 0;
+ ndev->addr_len = 0;
+ ndev->tx_queue_len = DEFAULT_TX_QUEUE_LEN;
+ ndev->flags = IFF_NOARP;
+ ndev->netdev_ops = &mctp_test_netdev_ops;
+ ndev->needs_free_netdev = true;
+}
+
+struct mctp_test_dev *mctp_test_create_dev(void)
+{
+ struct mctp_test_dev *dev;
+ struct net_device *ndev;
+ int rc;
+
+ ndev = alloc_netdev(sizeof(*dev), "mctptest%d", NET_NAME_ENUM,
+ mctp_test_dev_setup);
+ if (!ndev)
+ return NULL;
+
+ dev = netdev_priv(ndev);
+ dev->ndev = ndev;
+
+ rc = register_netdev(ndev);
+ if (rc) {
+ free_netdev(ndev);
+ return NULL;
+ }
+
+ rcu_read_lock();
+ dev->mdev = __mctp_dev_get(ndev);
+ rcu_read_unlock();
+
+ return dev;
+}
+
+void mctp_test_destroy_dev(struct mctp_test_dev *dev)
+{
+ mctp_dev_put(dev->mdev);
+ unregister_netdev(dev->ndev);
+}