qlcnic: Stop pause ctrl frames on fw hang.

When firmware hang is detected, fw should stop sending pause control frames.

Signed-off-by: Sritej Velaga <sritej.velaga@qlogic.com>
Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 12 insertions, 2 deletions

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 7bfdf57f4b76..a47c70b09342 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -2999,8 +2999,18 @@ qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
 void
 qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
 {
-        u32 state;
-
+        u32 state, xg_val = 0, gb_val = 0;
+
+        qlcnic_xg_set_xg0_mask(xg_val);
+        qlcnic_xg_set_xg1_mask(xg_val);
+        QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
+        qlcnic_gb_set_gb0_mask(gb_val);
+        qlcnic_gb_set_gb1_mask(gb_val);
+        qlcnic_gb_set_gb2_mask(gb_val);
+        qlcnic_gb_set_gb3_mask(gb_val);
+        QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
+        dev_info(&adapter->pdev->dev, "Pause control frames disabled"
+                                " on all ports\n");
         adapter->need_fw_reset = 1;
         if (qlcnic_api_lock(adapter))
                 return;