Commit 7d104eab authored by Joe Hershberger's avatar Joe Hershberger Committed by Simon Glass
Browse files

test: dm: eth: Add testing for ethrotate env var

Make sure that the ethrotate behavior occurs as expected.
Signed-off-by: default avatarJoe Hershberger <>
Reviewed-by: default avatarSimon Glass <>
parent 6536b9bb
......@@ -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("");
strcpy(ethaddr, getenv("eth1addr"));
setenv("eth1addr", NULL);
/* Make sure that the default is to rotate to the next interface */
setenv("ethact", "eth@10004000");
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_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);
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