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authorSritej Velaga <sritej.velaga@qlogic.com>2012-02-03 14:45:41 +0100
committerDavid S. Miller <davem@davemloft.net>2012-02-04 21:59:29 +0100
commit646779f1b4ade4acac6b49dbfa8be84a98ab85b4 (patch)
tree6bb851965d43cf8f4c597b5c0c8707d4acbf7c77
parentnetxen: report valid speed and duplex status when link is down (diff)
downloadlinux-646779f1b4ade4acac6b49dbfa8be84a98ab85b4.tar.xz
linux-646779f1b4ade4acac6b49dbfa8be84a98ab85b4.zip
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>
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c14
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;