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Message-ID: <20240915070334.1267-1-demonihin@gmail.com>
Date: Sun, 15 Sep 2024 09:03:21 +0200
From: Dmitrii Ermakov <demonihin@...il.com>
To: davem@...emloft.net
Cc: edumazet@...gle.com,
kuba@...nel.org,
pabeni@...hat.com,
przemyslaw.kitszel@...el.com,
anthony.l.nguyen@...el.com,
netdev@...r.kernel.org,
intel-wired-lan@...ts.osuosl.org,
linux-kernel@...r.kernel.org,
Dmitrii Ermakov <demonihin@...il.com>
Subject: [PATCH] e1000e: makes e1000_watchdog_task use queue_delayed_work
Replaces watchdog timer with delayed_work as advised
in the driver's TODO comment.
Signed-off-by: Dmitrii Ermakov <demonihin@...il.com>
---
drivers/net/ethernet/intel/e1000e/e1000.h | 4 +-
drivers/net/ethernet/intel/e1000e/netdev.c | 43 ++++++++--------------
2 files changed, 18 insertions(+), 29 deletions(-)
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index ba9c19e6994c..5a60372d2158 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -189,12 +189,12 @@ struct e1000_phy_regs {
/* board specific private data structure */
struct e1000_adapter {
- struct timer_list watchdog_timer;
struct timer_list phy_info_timer;
struct timer_list blink_timer;
+ struct delayed_work watchdog_work;
+
struct work_struct reset_task;
- struct work_struct watchdog_task;
const struct e1000_info *ei;
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 360ee26557f7..5b7a3a1423ed 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -1778,7 +1778,8 @@ static irqreturn_t e1000_intr_msi(int __always_unused irq, void *data)
}
/* guard against interrupt when we're going down */
if (!test_bit(__E1000_DOWN, &adapter->state))
- mod_timer(&adapter->watchdog_timer, jiffies + 1);
+ queue_delayed_work(system_wq, &adapter->watchdog_work,
+ 1);
}
/* Reset on uncorrectable ECC error */
@@ -1857,7 +1858,8 @@ static irqreturn_t e1000_intr(int __always_unused irq, void *data)
}
/* guard against interrupt when we're going down */
if (!test_bit(__E1000_DOWN, &adapter->state))
- mod_timer(&adapter->watchdog_timer, jiffies + 1);
+ queue_delayed_work(system_wq, &adapter->watchdog_work,
+ 1);
}
/* Reset on uncorrectable ECC error */
@@ -1901,7 +1903,8 @@ static irqreturn_t e1000_msix_other(int __always_unused irq, void *data)
hw->mac.get_link_status = true;
/* guard against interrupt when we're going down */
if (!test_bit(__E1000_DOWN, &adapter->state))
- mod_timer(&adapter->watchdog_timer, jiffies + 1);
+ queue_delayed_work(system_wq, &adapter->watchdog_work,
+ 1);
}
if (!test_bit(__E1000_DOWN, &adapter->state))
@@ -4293,7 +4296,8 @@ void e1000e_down(struct e1000_adapter *adapter, bool reset)
napi_synchronize(&adapter->napi);
- del_timer_sync(&adapter->watchdog_timer);
+ cancel_delayed_work_sync(&adapter->watchdog_work);
+
del_timer_sync(&adapter->phy_info_timer);
spin_lock(&adapter->stats64_lock);
@@ -5164,25 +5168,12 @@ static void e1000e_check_82574_phy_workaround(struct e1000_adapter *adapter)
}
}
-/**
- * e1000_watchdog - Timer Call-back
- * @t: pointer to timer_list containing private info adapter
- **/
-static void e1000_watchdog(struct timer_list *t)
-{
- struct e1000_adapter *adapter = from_timer(adapter, t, watchdog_timer);
-
- /* Do the rest outside of interrupt context */
- schedule_work(&adapter->watchdog_task);
-
- /* TODO: make this use queue_delayed_work() */
-}
-
static void e1000_watchdog_task(struct work_struct *work)
{
- struct e1000_adapter *adapter = container_of(work,
- struct e1000_adapter,
- watchdog_task);
+ struct delayed_work *dwork =
+ container_of(work, struct delayed_work, work);
+ struct e1000_adapter *adapter =
+ container_of(dwork, struct e1000_adapter, watchdog_work);
struct net_device *netdev = adapter->netdev;
struct e1000_mac_info *mac = &adapter->hw.mac;
struct e1000_phy_info *phy = &adapter->hw.phy;
@@ -5411,8 +5402,8 @@ static void e1000_watchdog_task(struct work_struct *work)
/* Reset the timer */
if (!test_bit(__E1000_DOWN, &adapter->state))
- mod_timer(&adapter->watchdog_timer,
- round_jiffies(jiffies + 2 * HZ));
+ queue_delayed_work(system_wq, &adapter->watchdog_work,
+ round_jiffies(2 * HZ));
}
#define E1000_TX_FLAGS_CSUM 0x00000001
@@ -7588,11 +7579,10 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_eeprom;
}
- timer_setup(&adapter->watchdog_timer, e1000_watchdog, 0);
timer_setup(&adapter->phy_info_timer, e1000_update_phy_info, 0);
+ INIT_DELAYED_WORK(&adapter->watchdog_work, e1000_watchdog_task);
INIT_WORK(&adapter->reset_task, e1000_reset_task);
- INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
@@ -7733,11 +7723,10 @@ static void e1000_remove(struct pci_dev *pdev)
* from being rescheduled.
*/
set_bit(__E1000_DOWN, &adapter->state);
- del_timer_sync(&adapter->watchdog_timer);
+ cancel_delayed_work_sync(&adapter->watchdog_work);
del_timer_sync(&adapter->phy_info_timer);
cancel_work_sync(&adapter->reset_task);
- cancel_work_sync(&adapter->watchdog_task);
cancel_work_sync(&adapter->downshift_task);
cancel_work_sync(&adapter->update_phy_task);
cancel_work_sync(&adapter->print_hang_task);
--
2.45.2
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