[U-Boot] [PATCH v6 21/27] test: dm: eth: Add testing for ethrotate env var

[Joe Hershberger]

Make sure that the ethrotate behavior occurs as expected.

Signed-off-by: Joe Hershberger <joe.hershberger at ni.com>
Reviewed-by: Simon Glass <sjg at chromium.org>

---

Changes in v6: None
Changes in v5:
-Added a test for skipping un-probe-able devices

Changes in v4:
-Added testing for ethrotate

Changes in v3: None
Changes in v2: None

 test/dm/eth.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/test/dm/eth.c b/test/dm/eth.c
index 96e3c46..9b55013 100644
--- a/test/dm/eth.c
+++ b/test/dm/eth.c
@@ -80,3 +80,45 @@ static int dm_test_eth_prime(struct dm_test_state *dms)
 	return 0;
 }
 DM_TEST(dm_test_eth_prime, DM_TESTF_SCAN_FDT);
+
+static int dm_test_eth_rotate(struct dm_test_state *dms)
+{
+	char ethaddr[18];
+
+	/* Invalidate eth1's MAC address */
+	NetPingIP = string_to_ip("1.1.2.2");
+	strcpy(ethaddr, getenv("eth1addr"));
+	setenv("eth1addr", NULL);
+
+	/* Make sure that the default is to rotate to the next interface */
+	setenv("ethact", "eth at 10004000");
+	ut_assertok(NetLoop(PING));
+	ut_asserteq_str("eth at 10002000", getenv("ethact"));
+
+	/* If ethrotate is no, then we should fail on a bad MAC */
+	setenv("ethact", "eth at 10004000");
+	setenv("ethrotate", "no");
+	ut_asserteq(-1, NetLoop(PING));
+	ut_asserteq_str("eth at 10004000", getenv("ethact"));
+
+	/* Restore the env */
+	setenv("eth1addr", ethaddr);
+	setenv("ethrotate", NULL);
+
+	/* Invalidate eth0's MAC address */
+	strcpy(ethaddr, getenv("ethaddr"));
+	setenv(".flags", "ethaddr");
+	setenv("ethaddr", NULL);
+
+	/* Make sure we can skip invalid devices */
+	setenv("ethact", "eth at 10004000");
+	ut_assertok(NetLoop(PING));
+	ut_asserteq_str("eth at 10004000", getenv("ethact"));
+
+	/* Restore the env */
+	setenv("ethaddr", ethaddr);
+	setenv(".flags", NULL);
+
+	return 0;
+}
+DM_TEST(dm_test_eth_rotate, DM_TESTF_SCAN_FDT);
-- 
1.7.11.5