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path: root/drivers/net/ixgbe/ixgbe_main.c
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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_main.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c60
1 files changed, 37 insertions, 23 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index d1e52b5cebfa..dbb20e57f660 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -833,7 +833,19 @@ static inline bool ixgbe_check_tx_hang(struct ixgbe_ring *tx_ring)
833#define DESC_NEEDED (TXD_USE_COUNT(IXGBE_MAX_DATA_PER_TXD) /* skb->data */ + \ 833#define DESC_NEEDED (TXD_USE_COUNT(IXGBE_MAX_DATA_PER_TXD) /* skb->data */ + \
834 MAX_SKB_FRAGS * TXD_USE_COUNT(PAGE_SIZE) + 1) /* for context */ 834 MAX_SKB_FRAGS * TXD_USE_COUNT(PAGE_SIZE) + 1) /* for context */
835 835
836static void ixgbe_tx_timeout(struct net_device *netdev); 836/**
837 * ixgbe_tx_timeout_reset - initiate reset due to Tx timeout
838 * @adapter: driver private struct
839 **/
840static void ixgbe_tx_timeout_reset(struct ixgbe_adapter *adapter)
841{
842
843 /* Do the reset outside of interrupt context */
844 if (!test_bit(__IXGBE_DOWN, &adapter->state)) {
845 adapter->flags2 |= IXGBE_FLAG2_RESET_REQUESTED;
846 ixgbe_service_event_schedule(adapter);
847 }
848}
837 849
838/** 850/**
839 * ixgbe_clean_tx_irq - Reclaim resources after transmit completes 851 * ixgbe_clean_tx_irq - Reclaim resources after transmit completes
@@ -915,7 +927,7 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector,
915 adapter->tx_timeout_count + 1, tx_ring->queue_index); 927 adapter->tx_timeout_count + 1, tx_ring->queue_index);
916 928
917 /* schedule immediate reset if we believe we hung */ 929 /* schedule immediate reset if we believe we hung */
918 ixgbe_tx_timeout(adapter->netdev); 930 ixgbe_tx_timeout_reset(adapter);
919 931
920 /* the adapter is about to reset, no point in enabling stuff */ 932 /* the adapter is about to reset, no point in enabling stuff */
921 return true; 933 return true;
@@ -4186,6 +4198,7 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
4186 4198
4187 ixgbe_napi_disable_all(adapter); 4199 ixgbe_napi_disable_all(adapter);
4188 4200
4201 adapter->flags2 &= ~IXGBE_FLAG2_RESET_REQUESTED;
4189 adapter->flags &= ~IXGBE_FLAG_NEED_LINK_UPDATE; 4202 adapter->flags &= ~IXGBE_FLAG_NEED_LINK_UPDATE;
4190 4203
4191 del_timer_sync(&adapter->service_timer); 4204 del_timer_sync(&adapter->service_timer);
@@ -4288,25 +4301,8 @@ static void ixgbe_tx_timeout(struct net_device *netdev)
4288{ 4301{
4289 struct ixgbe_adapter *adapter = netdev_priv(netdev); 4302 struct ixgbe_adapter *adapter = netdev_priv(netdev);
4290 4303
4291 adapter->tx_timeout_count++;
4292
4293 /* Do the reset outside of interrupt context */ 4304 /* Do the reset outside of interrupt context */
4294 schedule_work(&adapter->reset_task); 4305 ixgbe_tx_timeout_reset(adapter);
4295}
4296
4297static void ixgbe_reset_task(struct work_struct *work)
4298{
4299 struct ixgbe_adapter *adapter;
4300 adapter = container_of(work, struct ixgbe_adapter, reset_task);
4301
4302 /* If we're already down or resetting, just bail */
4303 if (test_bit(__IXGBE_DOWN, &adapter->state) ||
4304 test_bit(__IXGBE_RESETTING, &adapter->state))
4305 return;
4306
4307 ixgbe_dump(adapter);
4308 netdev_err(adapter->netdev, "Reset adapter\n");
4309 ixgbe_reinit_locked(adapter);
4310} 4306}
4311 4307
4312/** 4308/**
@@ -6174,7 +6170,7 @@ static void ixgbe_watchdog_flush_tx(struct ixgbe_adapter *adapter)
6174 * to get done, so reset controller to flush Tx. 6170 * to get done, so reset controller to flush Tx.
6175 * (Do the reset outside of interrupt context). 6171 * (Do the reset outside of interrupt context).
6176 */ 6172 */
6177 schedule_work(&adapter->reset_task); 6173 adapter->flags2 |= IXGBE_FLAG2_RESET_REQUESTED;
6178 } 6174 }
6179 } 6175 }
6180} 6176}
@@ -6341,6 +6337,25 @@ static void ixgbe_service_timer(unsigned long data)
6341 ixgbe_service_event_schedule(adapter); 6337 ixgbe_service_event_schedule(adapter);
6342} 6338}
6343 6339
6340static void ixgbe_reset_subtask(struct ixgbe_adapter *adapter)
6341{
6342 if (!(adapter->flags2 & IXGBE_FLAG2_RESET_REQUESTED))
6343 return;
6344
6345 adapter->flags2 &= ~IXGBE_FLAG2_RESET_REQUESTED;
6346
6347 /* If we're already down or resetting, just bail */
6348 if (test_bit(__IXGBE_DOWN, &adapter->state) ||
6349 test_bit(__IXGBE_RESETTING, &adapter->state))
6350 return;
6351
6352 ixgbe_dump(adapter);
6353 netdev_err(adapter->netdev, "Reset adapter\n");
6354 adapter->tx_timeout_count++;
6355
6356 ixgbe_reinit_locked(adapter);
6357}
6358
6344/** 6359/**
6345 * ixgbe_service_task - manages and runs subtasks 6360 * ixgbe_service_task - manages and runs subtasks
6346 * @work: pointer to work_struct containing our data 6361 * @work: pointer to work_struct containing our data
@@ -6351,6 +6366,7 @@ static void ixgbe_service_task(struct work_struct *work)
6351 struct ixgbe_adapter, 6366 struct ixgbe_adapter,
6352 service_task); 6367 service_task);
6353 6368
6369 ixgbe_reset_subtask(adapter);
6354 ixgbe_sfp_detection_subtask(adapter); 6370 ixgbe_sfp_detection_subtask(adapter);
6355 ixgbe_sfp_link_config_subtask(adapter); 6371 ixgbe_sfp_link_config_subtask(adapter);
6356 ixgbe_watchdog_subtask(adapter); 6372 ixgbe_watchdog_subtask(adapter);
@@ -7533,8 +7549,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
7533 setup_timer(&adapter->service_timer, &ixgbe_service_timer, 7549 setup_timer(&adapter->service_timer, &ixgbe_service_timer,
7534 (unsigned long) adapter); 7550 (unsigned long) adapter);
7535 7551
7536 INIT_WORK(&adapter->reset_task, ixgbe_reset_task);
7537
7538 INIT_WORK(&adapter->service_task, ixgbe_service_task); 7552 INIT_WORK(&adapter->service_task, ixgbe_service_task);
7539 clear_bit(__IXGBE_SERVICE_SCHED, &adapter->state); 7553 clear_bit(__IXGBE_SERVICE_SCHED, &adapter->state);
7540 7554