diff options
| -rw-r--r-- | drivers/net/ixgbevf/ixgbevf.h | 1 | ||||
| -rw-r--r-- | drivers/net/ixgbevf/ixgbevf_main.c | 50 |
2 files changed, 0 insertions, 51 deletions
diff --git a/drivers/net/ixgbevf/ixgbevf.h b/drivers/net/ixgbevf/ixgbevf.h index a63efcb2cf1b..b703f60be3b7 100644 --- a/drivers/net/ixgbevf/ixgbevf.h +++ b/drivers/net/ixgbevf/ixgbevf.h @@ -207,7 +207,6 @@ struct ixgbevf_adapter { u64 hw_tso_ctxt; u64 hw_tso6_ctxt; u32 tx_timeout_count; - bool detect_tx_hung; /* RX */ struct ixgbevf_ring *rx_ring; /* One per active queue */ diff --git a/drivers/net/ixgbevf/ixgbevf_main.c b/drivers/net/ixgbevf/ixgbevf_main.c index 82768812552d..c1fb2c1b540e 100644 --- a/drivers/net/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ixgbevf/ixgbevf_main.c @@ -162,40 +162,6 @@ static void ixgbevf_unmap_and_free_tx_resource(struct ixgbevf_adapter *adapter, /* tx_buffer_info must be completely set up in the transmit path */ } -static inline bool ixgbevf_check_tx_hang(struct ixgbevf_adapter *adapter, - struct ixgbevf_ring *tx_ring, - unsigned int eop) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 head, tail; - - /* Detect a transmit hang in hardware, this serializes the - * check with the clearing of time_stamp and movement of eop */ - head = readl(hw->hw_addr + tx_ring->head); - tail = readl(hw->hw_addr + tx_ring->tail); - adapter->detect_tx_hung = false; - if ((head != tail) && - tx_ring->tx_buffer_info[eop].time_stamp && - time_after(jiffies, tx_ring->tx_buffer_info[eop].time_stamp + HZ)) { - /* detected Tx unit hang */ - printk(KERN_ERR "Detected Tx Unit Hang\n" - " Tx Queue <%d>\n" - " TDH, TDT <%x>, <%x>\n" - " next_to_use <%x>\n" - " next_to_clean <%x>\n" - "tx_buffer_info[next_to_clean]\n" - " time_stamp <%lx>\n" - " jiffies <%lx>\n", - tx_ring->queue_index, - head, tail, - tx_ring->next_to_use, eop, - tx_ring->tx_buffer_info[eop].time_stamp, jiffies); - return true; - } - - return false; -} - #define IXGBE_MAX_TXD_PWR 14 #define IXGBE_MAX_DATA_PER_TXD (1 << IXGBE_MAX_TXD_PWR) @@ -291,16 +257,6 @@ static bool ixgbevf_clean_tx_irq(struct ixgbevf_adapter *adapter, #endif } - if (adapter->detect_tx_hung) { - if (ixgbevf_check_tx_hang(adapter, tx_ring, i)) { - /* schedule immediate reset if we believe we hung */ - printk(KERN_INFO - "tx hang %d detected, resetting adapter\n", - adapter->tx_timeout_count + 1); - ixgbevf_tx_timeout(adapter->netdev); - } - } - /* re-arm the interrupt */ if ((count >= tx_ring->work_limit) && (!test_bit(__IXGBEVF_DOWN, &adapter->state))) { @@ -2412,9 +2368,6 @@ static void ixgbevf_watchdog_task(struct work_struct *work) 10 : 1); netif_carrier_on(netdev); netif_tx_wake_all_queues(netdev); - } else { - /* Force detection of hung controller */ - adapter->detect_tx_hung = true; } } else { adapter->link_up = false; @@ -2429,9 +2382,6 @@ static void ixgbevf_watchdog_task(struct work_struct *work) ixgbevf_update_stats(adapter); pf_has_reset: - /* Force detection of hung controller every watchdog period */ - adapter->detect_tx_hung = true; - /* Reset the timer */ if (!test_bit(__IXGBEVF_DOWN, &adapter->state)) mod_timer(&adapter->watchdog_timer, |