From a86d5c682b798b2dadaa4171c1d124cf3c45a17c Mon Sep 17 00:00:00 2001 From: Dany Madden Date: Wed, 25 Nov 2020 18:04:31 -0600 Subject: [PATCH] ibmvnic: no reset timeout for 5 seconds after reset 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. Fixes: ed651a10875f1 ("ibmvnic: Updated reset handling") Signed-off-by: Dany Madden Signed-off-by: Jakub Kicinski --- 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 5154e0421175..d48a694b92c9 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -2252,6 +2252,7 @@ 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); @@ -2355,7 +2356,13 @@ 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); } @@ -5282,7 +5289,7 @@ 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 bffa7f939ee1..21e7ea858cda 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.h +++ b/drivers/net/ethernet/ibm/ibmvnic.h @@ -1087,6 +1087,8 @@ 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; -- 2.39.5