1 files changed, 92 insertions, 0 deletions
diff --git a/tools/net/ynl/tests/ethtool.c b/tools/net/ynl/tests/ethtool.c
new file mode 100644
index 000000000000..926a75d23c9b
--- /dev/null
+++ b/tools/net/ynl/tests/ethtool.c
@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdio.h>
+#include <string.h>
+
+#include <ynl.h>
+
+#include <net/if.h>
+
+#include <kselftest_harness.h>
+
+#include "ethtool-user.h"
+
+FIXTURE(ethtool)
+{
+	struct ynl_sock *ys;
+};
+
+FIXTURE_SETUP(ethtool)
+{
+	self->ys = ynl_sock_create(&ynl_ethtool_family, NULL);
+	ASSERT_NE(NULL, self->ys)
+		TH_LOG("failed to create ethtool socket");
+}
+
+FIXTURE_TEARDOWN(ethtool)
+{
+	ynl_sock_destroy(self->ys);
+}
+
+TEST_F(ethtool, channels)
+{
+	struct ethtool_channels_get_req_dump creq = {};
+	struct ethtool_channels_get_list *channels;
+
+	creq._present.header = 1; /* ethtool needs an empty nest */
+	channels = ethtool_channels_get_dump(self->ys, &creq);
+	ASSERT_NE(NULL, channels) {
+		TH_LOG("channels dump failed: %s", self->ys->err.msg);
+	}
+
+	if (ynl_dump_empty(channels)) {
+		ethtool_channels_get_list_free(channels);
+		SKIP(return, "no entries in channels dump");
+	}
+
+	ynl_dump_foreach(channels, dev) {
+		EXPECT_TRUE((bool)dev->header._len.dev_name);
+		ksft_print_msg("%8s: ", dev->header.dev_name);
+		EXPECT_TRUE(dev->_present.rx_count ||
+			    dev->_present.tx_count ||
+			    dev->_present.combined_count);
+		if (dev->_present.rx_count)
+			printf("rx %d ", dev->rx_count);
+		if (dev->_present.tx_count)
+			printf("tx %d ", dev->tx_count);
+		if (dev->_present.combined_count)
+			printf("combined %d ", dev->combined_count);
+		printf("\n");
+	}
+	ethtool_channels_get_list_free(channels);
+}
+
+TEST_F(ethtool, rings)
+{
+	struct ethtool_rings_get_req_dump rreq = {};
+	struct ethtool_rings_get_list *rings;
+
+	rreq._present.header = 1; /* ethtool needs an empty nest */
+	rings = ethtool_rings_get_dump(self->ys, &rreq);
+	ASSERT_NE(NULL, rings) {
+		TH_LOG("rings dump failed: %s", self->ys->err.msg);
+	}
+
+	if (ynl_dump_empty(rings)) {
+		ethtool_rings_get_list_free(rings);
+		SKIP(return, "no entries in rings dump");
+	}
+
+	ynl_dump_foreach(rings, dev) {
+		EXPECT_TRUE((bool)dev->header._len.dev_name);
+		ksft_print_msg("%8s: ", dev->header.dev_name);
+		EXPECT_TRUE(dev->_present.rx || dev->_present.tx);
+		if (dev->_present.rx)
+			printf("rx %d ", dev->rx);
+		if (dev->_present.tx)
+			printf("tx %d ", dev->tx);
+		printf("\n");
+	}
+	ethtool_rings_get_list_free(rings);
+}
+
+TEST_HARNESS_MAIN