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authorAmit Kumar Salecha <amit.salecha@qlogic.com>2010-02-01 05:24:59 +0000
committerDavid S. Miller <davem@davemloft.net>2010-02-02 15:55:46 -0800
commit7eb9855d68faabe0004ed18c2af1f0974d3c2c63 (patch)
tree750382ba8db5b390847ce05fc4f216d1d7d7d533 /drivers/net/qlcnic/qlcnic_ethtool.c
parent897d3596e0dfc4c25963cff00f1159c79eaf38d3 (diff)
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>
Diffstat (limited to 'drivers/net/qlcnic/qlcnic_ethtool.c')
-rw-r--r--drivers/net/qlcnic/qlcnic_ethtool.c41
1 files changed, 40 insertions, 1 deletions
diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c
index 7212319760b..58c50ed791d 100644
--- a/drivers/net/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/qlcnic/qlcnic_ethtool.c
@@ -65,7 +65,8 @@ static const struct qlcnic_stats qlcnic_gstrings_stats[] = {
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_get_sset_count(struct net_device *dev, int sset)
}
}
+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;