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igb: move TX hang check flag into ring->flags 

This change moves the Tx hang check into the ring flags.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by:  Aaron Brown  <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Alexander Duyck 2011-08-26 07:46:19 +00:00 committed by Jeff Kirsher
parent 5faf030c9b
commit 6d095fa8cb
2 changed files with 3 additions and 4 deletions
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1
drivers/net/ethernet/intel/igb/igb.h
View File

@ -231,7 +231,6 @@ struct igb_ring {
struct igb_tx_queue_stats tx_stats;
struct u64_stats_sync tx_syncp;
struct u64_stats_sync tx_syncp2;
bool detect_tx_hung;
};
/* RX */
struct {

6
drivers/net/ethernet/intel/igb/igb_main.c
View File

@ -3754,7 +3754,7 @@ static void igb_watchdog_task(struct work_struct *work)
}
/* Force detection of hung controller every watchdog period */
tx_ring->detect_tx_hung = true;
set_bit(IGB_RING_FLAG_TX_DETECT_HANG, &tx_ring->flags);
}
/* Cause software interrupt to ensure rx ring is cleaned */
@ -5721,14 +5721,14 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
q_vector->tx.total_bytes += total_bytes;
q_vector->tx.total_packets += total_packets;
if (tx_ring->detect_tx_hung) {
if (test_bit(IGB_RING_FLAG_TX_DETECT_HANG, &tx_ring->flags)) {
struct e1000_hw *hw = &adapter->hw;
eop_desc = tx_buffer->next_to_watch;
/* Detect a transmit hang in hardware, this serializes the
* check with the clearing of time_stamp and movement of i */
tx_ring->detect_tx_hung = false;
clear_bit(IGB_RING_FLAG_TX_DETECT_HANG, &tx_ring->flags);
if (eop_desc &&
time_after(jiffies, tx_buffer->time_stamp +
(adapter->tx_timeout_factor * HZ)) &&