qlcnic: add interrupt diagnostic test
Interrupt test (offline) added in ethtool self test.
Register a temporary interrupt handler and then send command to fw
to raise an interrupt.
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
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 7212319..58c50ed 100644
--- a/drivers/net/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/qlcnic/qlcnic_ethtool.c
@@ -65,7 +65,8 @@
static const char qlcnic_gstrings_test[][ETH_GSTRING_LEN] = {
"Register_Test_on_offline",
- "Link_Test_on_offline"
+ "Link_Test_on_offline",
+ "Interrupt_Test_offline"
};
#define QLCNIC_TEST_LEN ARRAY_SIZE(qlcnic_gstrings_test)
@@ -613,12 +614,50 @@
}
}
+static int qlcnic_irq_test(struct net_device *netdev)
+{
+ struct qlcnic_adapter *adapter = netdev_priv(netdev);
+ int max_sds_rings = adapter->max_sds_rings;
+ int ret;
+
+ if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
+ return -EIO;
+
+ ret = qlcnic_diag_alloc_res(netdev, QLCNIC_INTERRUPT_TEST);
+ if (ret)
+ goto clear_it;
+
+ adapter->diag_cnt = 0;
+ ret = qlcnic_issue_cmd(adapter, adapter->ahw.pci_func,
+ QLCHAL_VERSION, adapter->portnum, 0, 0, 0x00000011);
+ if (ret)
+ goto done;
+
+ msleep(10);
+
+ ret = !adapter->diag_cnt;
+
+done:
+ qlcnic_diag_free_res(netdev, max_sds_rings);
+
+clear_it:
+ adapter->max_sds_rings = max_sds_rings;
+ clear_bit(__QLCNIC_RESETTING, &adapter->state);
+ return ret;
+}
+
static void
qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
u64 *data)
{
memset(data, 0, sizeof(u64) * QLCNIC_TEST_LEN);
+ if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
+ data[2] = qlcnic_irq_test(dev);
+ if (data[2])
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+ }
+
data[0] = qlcnic_reg_test(dev);
if (data[0])
eth_test->flags |= ETH_TEST_FL_FAILED;