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 c3892963648..2aa9d8b2bab 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;
 
         }
 }