test: dm: eth: Add testing for ethrotate env var
Make sure that the ethrotate behavior occurs as expected.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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 @@
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@10004000");
+ ut_assertok(NetLoop(PING));
+ ut_asserteq_str("eth@10002000", getenv("ethact"));
+
+ /* If ethrotate is no, then we should fail on a bad MAC */
+ setenv("ethact", "eth@10004000");
+ setenv("ethrotate", "no");
+ ut_asserteq(-1, NetLoop(PING));
+ ut_asserteq_str("eth@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@10004000");
+ ut_assertok(NetLoop(PING));
+ ut_asserteq_str("eth@10004000", getenv("ethact"));
+
+ /* Restore the env */
+ setenv("ethaddr", ethaddr);
+ setenv(".flags", NULL);
+
+ return 0;
+}
+DM_TEST(dm_test_eth_rotate, DM_TESTF_SCAN_FDT);