From: Shannon Nelson <snelson@pensando.io>
Date: Thu, 27 Aug 2020 16:00:30 -0700
Subject: ionic: pull reset_queues into tx_timeout handler
Patch-mainline: v5.10-rc1
Git-commit: 6f7d6f0fd7a36911d3a6c5857c03a022377563f0
References: jsc#SLE-16649
Convert tx_timeout handler to not do the full reset. As this was
the last user of ionic_reset_queues(), we can drop it.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/pensando/ionic/ionic_lif.c | 39 ++++--------------------
drivers/net/ethernet/pensando/ionic/ionic_lif.h | 1
2 files changed, 8 insertions(+), 32 deletions(-)
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -1406,9 +1406,14 @@ static void ionic_tx_timeout_work(struct
netdev_info(lif->netdev, "Tx Timeout recovery\n");
- rtnl_lock();
- ionic_reset_queues(lif, NULL, NULL);
- rtnl_unlock();
+ /* if we were stopped before this scheduled job was launched,
+ * don't bother the queues as they are already stopped.
+ */
+ if (!netif_running(lif->netdev))
+ return;
+
+ ionic_stop_queues_reconfig(lif);
+ ionic_start_queues_reconfig(lif);
}
static void ionic_tx_timeout(struct net_device *netdev, unsigned int txqueue)
@@ -2279,34 +2284,6 @@ err_out:
return err;
}
-
-int ionic_reset_queues(struct ionic_lif *lif, ionic_reset_cb cb, void *arg)
-{
- bool running;
- int err = 0;
-
- mutex_lock(&lif->queue_lock);
- running = netif_running(lif->netdev);
- if (running) {
- netif_device_detach(lif->netdev);
- err = ionic_stop(lif->netdev);
- if (err)
- goto reset_out;
- }
-
- if (cb)
- cb(lif, arg);
-
- if (running) {
- err = ionic_open(lif->netdev);
- netif_device_attach(lif->netdev);
- }
-
-reset_out:
- mutex_unlock(&lif->queue_lock);
-
- return err;
-}
int ionic_lif_alloc(struct ionic *ionic)
{
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h
@@ -259,7 +259,6 @@ int ionic_lif_rss_config(struct ionic_li
const u8 *key, const u32 *indir);
int ionic_reconfigure_queues(struct ionic_lif *lif,
struct ionic_queue_params *qparam);
-int ionic_reset_queues(struct ionic_lif *lif, ionic_reset_cb cb, void *arg);
static inline void debug_stats_txq_post(struct ionic_queue *q, bool dbell)
{