[net-next,v8,8/8] tsnep: Add loopback selftests

Commit Message

Gerhard Engleder Feb. 24, 2025, 9:15 p.m. UTC

Add selftest sets with 100 Mbps and 1000 Mbps fixed speed to ethtool
selftests.

Signed-off-by: Gerhard Engleder <[e-mail]>
---
 .../net/ethernet/engleder/tsnep_selftests.c   | 30 +++++++++++++++----
 1 file changed, 24 insertions(+), 6 deletions(-)

Patch

diff --git a/drivers/net/ethernet/engleder/tsnep_selftests.c b/drivers/net/ethernet/engleder/tsnep_selftests.c
index 8a9145f93147..b1f08f17f55b 100644
--- a/drivers/net/ethernet/engleder/tsnep_selftests.c
+++ b/drivers/net/ethernet/engleder/tsnep_selftests.c
@@ -4,6 +4,7 @@ 
 #include "tsnep.h"
 
 #include <net/pkt_sched.h>
+#include <net/selftests.h>
 
 enum tsnep_test {
 	TSNEP_TEST_ENABLE = 0,
@@ -756,27 +757,36 @@  static bool tsnep_test_taprio_extension(struct tsnep_adapter *adapter)
 
 int tsnep_ethtool_get_test_count(void)
 {
-	return TSNEP_TEST_COUNT;
+	int count = TSNEP_TEST_COUNT;
+
+	count += net_selftest_set_get_count(NET_SELFTEST_LOOPBACK_SPEED);
+	count += net_selftest_set_get_count(NET_SELFTEST_LOOPBACK_SPEED);
+
+	return count;
 }
 
 void tsnep_ethtool_get_test_strings(u8 *data)
 {
 	memcpy(data, tsnep_test_strings, sizeof(tsnep_test_strings));
+	data += sizeof(tsnep_test_strings);
+
+	net_selftest_set_get_strings(NET_SELFTEST_LOOPBACK_SPEED, 100, &data);
+	net_selftest_set_get_strings(NET_SELFTEST_LOOPBACK_SPEED, 1000, &data);
 }
 
 void tsnep_ethtool_self_test(struct net_device *netdev,
 			     struct ethtool_test *eth_test, u64 *data)
 {
 	struct tsnep_adapter *adapter = netdev_priv(netdev);
+	int count = tsnep_ethtool_get_test_count();
+	int i;
 
-	eth_test->len = TSNEP_TEST_COUNT;
+	eth_test->len = count;
 
 	if (eth_test->flags != ETH_TEST_FL_OFFLINE) {
 		/* no tests are done online */
-		data[TSNEP_TEST_ENABLE] = 0;
-		data[TSNEP_TEST_TAPRIO] = 0;
-		data[TSNEP_TEST_TAPRIO_CHANGE] = 0;
-		data[TSNEP_TEST_TAPRIO_EXTENSION] = 0;
+		for (i = 0; i < count; i++)
+			data[i] = 0;
 
 		return;
 	}
@@ -808,4 +818,12 @@  void tsnep_ethtool_self_test(struct net_device *netdev,
 		eth_test->flags |= ETH_TEST_FL_FAILED;
 		data[TSNEP_TEST_TAPRIO_EXTENSION] = 1;
 	}
+	data += TSNEP_TEST_COUNT;
+
+	net_selftest_set(NET_SELFTEST_LOOPBACK_SPEED, 100, netdev, eth_test,
+			 data);
+	data += net_selftest_set_get_count(NET_SELFTEST_LOOPBACK_SPEED);
+
+	net_selftest_set(NET_SELFTEST_LOOPBACK_SPEED, 1000, netdev, eth_test,
+			 data);
 }