From 855a631a4c11458a9cef1ab79c1530436aa95fae Mon Sep 17 00:00:00 2001
From: Lijun Pan <ljp@linux.ibm.com>
Date: Fri, 20 Nov 2020 16:40:13 -0600
Subject: [PATCH] ibmvnic: skip tx timeout reset while in resetting
References: bsc#1184114 ltc#192237 bsc#1179243 ltc#189290
Patch-mainline: v5.10-rc6
Git-commit: 855a631a4c11458a9cef1ab79c1530436aa95fae
Sometimes it takes longer than 5 seconds (watchdog timeout) to complete
failover, migration, and other resets. In stead of scheduling another
timeout reset, we wait for the current one to complete.
Suggested-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Reviewed-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Michal Suchanek <msuchanek@suse.de>
---
drivers/net/ethernet/ibm/ibmvnic.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 9665532a9ed2..2aa40b2f225c 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -2356,6 +2356,12 @@ static void ibmvnic_tx_timeout(struct net_device *dev, unsigned int txqueue)
{
struct ibmvnic_adapter *adapter = netdev_priv(dev);
+ if (test_bit(0, &adapter->resetting)) {
+ netdev_err(adapter->netdev,
+ "Adapter is resetting, skip timeout reset\n");
+ return;
+ }
+
ibmvnic_reset(adapter, VNIC_RESET_TIMEOUT);
}
--
2.26.2