From 50978023e375b9dbb0e7b311cfcc05391d2e4fbb Mon Sep 17 00:00:00 2001
From: Sritej Velaga <sritej.velaga@qlogic.com>
Date: Fri, 3 Feb 2012 13:45:41 +0000
Subject: [PATCH] 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>
---
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 14 ++++++++++++--
1 file 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 7bfdf57f4b766..a47c70b093428 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;
--
2.39.5