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>

diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h
index 11d17f1..4e665a9 100644 (file)
--- a/drivers/net/ethernet/intel/igb/igb.h
+++ b/drivers/net/ethernet/intel/igb/igb.h
@@ -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 {

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 971aea9..77ade67 100644 (file)
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -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)) &&