qlcnic: Disable loopback support

Loopback mode can not be supported in CNA mode. Removing it until FW is fixed.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 103 deletions

diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c
index c389296..2aa9d8b 100644
--- a/drivers/net/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/qlcnic/qlcnic_ethtool.c
@@ -101,8 +101,7 @@ static const char qlcnic_device_gstrings_stats[][ETH_GSTRING_LEN] = {
 static const char qlcnic_gstrings_test[][ETH_GSTRING_LEN] = {
 	"Register_Test_on_offline",
 	"Link_Test_on_offline",
-	"Interrupt_Test_offline",
-	"Loopback_Test_offline"
+	"Interrupt_Test_offline"
 };
 
 #define QLCNIC_TEST_LEN	ARRAY_SIZE(qlcnic_gstrings_test)
@@ -643,104 +642,6 @@ static int qlcnic_get_sset_count(struct net_device *dev, int sset)
 	}
 }
 
-#define QLC_ILB_PKT_SIZE 64
-#define QLC_NUM_ILB_PKT	16
-#define QLC_ILB_MAX_RCV_LOOP 10
-
-static void qlcnic_create_loopback_buff(unsigned char *data)
-{
-	unsigned char random_data[] = {0xa8, 0x06, 0x45, 0x00};
-	memset(data, 0x4e, QLC_ILB_PKT_SIZE);
-	memset(data, 0xff, 12);
-	memcpy(data + 12, random_data, sizeof(random_data));
-}
-
-int qlcnic_check_loopback_buff(unsigned char *data)
-{
-	unsigned char buff[QLC_ILB_PKT_SIZE];
-	qlcnic_create_loopback_buff(buff);
-	return memcmp(data, buff, QLC_ILB_PKT_SIZE);
-}
-
-static int qlcnic_do_ilb_test(struct qlcnic_adapter *adapter)
-{
-	struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
-	struct qlcnic_host_sds_ring *sds_ring = &recv_ctx->sds_rings[0];
-	struct sk_buff *skb;
-	int i, loop, cnt = 0;
-
-	for (i = 0; i < QLC_NUM_ILB_PKT; i++) {
-		skb = dev_alloc_skb(QLC_ILB_PKT_SIZE);
-		qlcnic_create_loopback_buff(skb->data);
-		skb_put(skb, QLC_ILB_PKT_SIZE);
-
-		adapter->diag_cnt = 0;
-		qlcnic_xmit_frame(skb, adapter->netdev);
-
-		loop = 0;
-		do {
-			msleep(1);
-			qlcnic_process_rcv_ring_diag(sds_ring);
-		} while (loop++ < QLC_ILB_MAX_RCV_LOOP &&
-			 !adapter->diag_cnt);
-
-		dev_kfree_skb_any(skb);
-
-		if (!adapter->diag_cnt)
-			dev_warn(&adapter->pdev->dev, "ILB Test: %dth packet"
-				" not recevied\n", i + 1);
-		else
-			cnt++;
-	}
-	if (cnt != i) {
-		dev_warn(&adapter->pdev->dev, "ILB Test failed\n");
-		return -1;
-	}
-	return 0;
-}
-
-static int qlcnic_loopback_test(struct net_device *netdev)
-{
-	struct qlcnic_adapter *adapter = netdev_priv(netdev);
-	int max_sds_rings = adapter->max_sds_rings;
-	int ret;
-
-	if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) {
-		dev_warn(&adapter->pdev->dev, "Loopback test not supported"
-				"for non privilege function\n");
-		return 0;
-	}
-
-	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;
-
-	ret = qlcnic_set_ilb_mode(adapter);
-	if (ret)
-		goto done;
-
-	ret = qlcnic_do_ilb_test(adapter);
-
-	qlcnic_clear_ilb_mode(adapter);
-
-done:
-	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;
-}
-
 static int qlcnic_irq_test(struct net_device *netdev)
 {
 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
@@ -793,9 +694,6 @@ qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
 		if (data[2])
 			eth_test->flags |= ETH_TEST_FL_FAILED;
 
-		data[3] = qlcnic_loopback_test(dev);
-		if (data[3])
-			eth_test->flags |= ETH_TEST_FL_FAILED;
 
 	}
 }