qlcnic: support quiescent mode
Put device in quiescent mode during internal loopback test.
Before running test, set state to NEED_QUISCENT. After getting
ack from all function, change state to QUISCENT and perform test.
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c
index 6a76014..0181301 100644
--- a/drivers/net/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/qlcnic/qlcnic_ethtool.c
@@ -706,6 +706,11 @@
if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
return -EIO;
+ if (qlcnic_request_quiscent_mode(adapter)) {
+ clear_bit(__QLCNIC_RESETTING, &adapter->state);
+ return -EIO;
+ }
+
ret = qlcnic_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST);
if (ret)
goto clear_it;
@@ -722,6 +727,7 @@
qlcnic_diag_free_res(netdev, max_sds_rings);
clear_it:
+ qlcnic_clear_quiscent_mode(adapter);
adapter->max_sds_rings = max_sds_rings;
clear_bit(__QLCNIC_RESETTING, &adapter->state);
return ret;