1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/ef100_tx.c b/drivers/net/ethernet/sfc/ef100_tx.c
new file mode 100644
index 000000000000..b12295413c0d
--- /dev/null
+++ b/drivers/net/ethernet/sfc/ef100_tx.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/****************************************************************************
+ * Driver for Solarflare network controllers and boards
+ * Copyright 2018 Solarflare Communications Inc.
+ * Copyright 2019-2020 Xilinx Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#include "net_driver.h"
+#include "tx_common.h"
+#include "nic_common.h"
+#include "ef100_tx.h"
+
+/* Add a socket buffer to a TX queue
+ *
+ * You must hold netif_tx_lock() to call this function.
+ *
+ * Returns 0 on success, error code otherwise. In case of an error this
+ * function will free the SKB.
+ */
+int ef100_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
+{
+	/* Stub.  No TX path yet. */
+	struct efx_nic *efx = tx_queue->efx;
+
+	netif_stop_queue(efx->net_dev);
+	dev_kfree_skb_any(skb);
+	return -ENODEV;
+}