On 2020-11-20 14:40, Lijun Pan wrote:
From: Dany Madden <d...@linux.ibm.com>
Reset timeout is going off right after adapter reset. This patch
ensures
that timeout is scheduled if it has been 5 seconds since the last
reset.
5 seconds is the default watchdog timeout.
Suggested-by: Brian King <brk...@linux.ibm.com>
Signed-off-by: Dany Madden <d...@linux.ibm.com>
Sorry I missed this. Thanks, Brian!
Dany
---
drivers/net/ethernet/ibm/ibmvnic.c | 11 +++++++++--
drivers/net/ethernet/ibm/ibmvnic.h | 2 ++
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c
b/drivers/net/ethernet/ibm/ibmvnic.c
index 9d2eebd31ff6..252af4ab6468 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -2291,6 +2291,7 @@ static void __ibmvnic_reset(struct work_struct
*work)
rc = do_reset(adapter, rwi, reset_state);
}
kfree(rwi);
+ adapter->last_reset_time = jiffies;
if (rc)
netdev_dbg(adapter->netdev, "Reset failed, rc=%d\n",
rc);
@@ -2394,7 +2395,13 @@ static void ibmvnic_tx_timeout(struct
net_device *dev, unsigned int txqueue)
"Adapter is resetting, skip timeout reset\n");
return;
}
-
+ /* No queuing up reset until at least 5 seconds (default watchdog
val)
+ * after last reset
+ */
+ if (time_before(jiffies, (adapter->last_reset_time +
dev->watchdog_timeo))) {
+ netdev_dbg(dev, "Not yet time to tx timeout.\n");
+ return;
+ }
ibmvnic_reset(adapter, VNIC_RESET_TIMEOUT);
}
@@ -5316,7 +5323,7 @@ static int ibmvnic_probe(struct vio_dev *dev,
const struct vio_device_id *id)
adapter->state = VNIC_PROBED;
adapter->wait_for_reset = false;
-
+ adapter->last_reset_time = jiffies;
return 0;
ibmvnic_register_fail:
diff --git a/drivers/net/ethernet/ibm/ibmvnic.h
b/drivers/net/ethernet/ibm/ibmvnic.h
index 9b1f34602f33..d15866cbc2a6 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.h
+++ b/drivers/net/ethernet/ibm/ibmvnic.h
@@ -1089,6 +1089,8 @@ struct ibmvnic_adapter {
unsigned long resetting;
bool napi_enabled, from_passive_init;
bool login_pending;
+ /* last device reset time */
+ unsigned long last_reset_time;
bool failover_pending;
bool force_reset_recovery;