be2net: Add support for ethtool self test
This patch adds support for ethtool selftest.
From: Suresh R <sureshr@serverengines.com>
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index 83a2fc7..298b92c 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -107,6 +107,18 @@
};
#define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
+static const char et_self_tests[][ETH_GSTRING_LEN] = {
+ "MAC Loopback test",
+ "PHY Loopback test",
+ "External Loopback test",
+ "DDR DMA test"
+};
+
+#define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
+#define BE_MAC_LOOPBACK 0x0
+#define BE_PHY_LOOPBACK 0x1
+#define BE_ONE_PORT_EXT_LOOPBACK 0x2
+
static void
be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
{
@@ -278,12 +290,20 @@
data += ETH_GSTRING_LEN;
}
break;
+ case ETH_SS_TEST:
+ for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
+ memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
+ data += ETH_GSTRING_LEN;
+ }
+ break;
}
}
static int be_get_sset_count(struct net_device *netdev, int stringset)
{
switch (stringset) {
+ case ETH_SS_TEST:
+ return ETHTOOL_TESTS_NUM;
case ETH_SS_STATS:
return ETHTOOL_STATS_NUM;
default:
@@ -442,6 +462,67 @@
}
static int
+be_test_ddr_dma(struct be_adapter *adapter)
+{
+ int ret, i;
+ struct be_dma_mem ddrdma_cmd;
+ u64 pattern[2] = {0x5a5a5a5a5a5a5a5a, 0xa5a5a5a5a5a5a5a5};
+
+ ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
+ ddrdma_cmd.va = pci_alloc_consistent(adapter->pdev, ddrdma_cmd.size,
+ &ddrdma_cmd.dma);
+ if (!ddrdma_cmd.va) {
+ dev_err(&adapter->pdev->dev, "Memory allocation failure \n");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < 2; i++) {
+ ret = be_cmd_ddr_dma_test(adapter, pattern[i],
+ 4096, &ddrdma_cmd);
+ if (ret != 0)
+ goto err;
+ }
+
+err:
+ pci_free_consistent(adapter->pdev, ddrdma_cmd.size,
+ ddrdma_cmd.va, ddrdma_cmd.dma);
+ return ret;
+}
+
+static void
+be_self_test(struct net_device *netdev, struct ethtool_test *test, u64 *data)
+{
+ struct be_adapter *adapter = netdev_priv(netdev);
+
+ memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
+
+ if (test->flags & ETH_TEST_FL_OFFLINE) {
+ data[0] = be_cmd_loopback_test(adapter, adapter->port_num,
+ BE_MAC_LOOPBACK, 1500,
+ 2, 0xabc);
+ if (data[0] != 0)
+ test->flags |= ETH_TEST_FL_FAILED;
+
+ data[1] = be_cmd_loopback_test(adapter, adapter->port_num,
+ BE_PHY_LOOPBACK, 1500,
+ 2, 0xabc);
+ if (data[1] != 0)
+ test->flags |= ETH_TEST_FL_FAILED;
+
+ data[2] = be_cmd_loopback_test(adapter, adapter->port_num,
+ BE_ONE_PORT_EXT_LOOPBACK,
+ 1500, 2, 0xabc);
+ if (data[2] != 0)
+ test->flags |= ETH_TEST_FL_FAILED;
+
+ data[3] = be_test_ddr_dma(adapter);
+ if (data[3] != 0)
+ test->flags |= ETH_TEST_FL_FAILED;
+ }
+
+}
+
+static int
be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
{
struct be_adapter *adapter = netdev_priv(netdev);
@@ -479,4 +560,5 @@
.get_sset_count = be_get_sset_count,
.get_ethtool_stats = be_get_ethtool_stats,
.flash_device = be_do_flash,
+ .self_test = be_self_test,
};