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igb: make tx hang check multiqueue, check eop descriptor 

This change makes the tx hang check run over all tx queues instead of just
queue 0.  Also have hang display info on EOP descriptor instead of the
descriptor at the start of the chain.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Duyck 2009-10-27 23:48:51 +00:00 committed by David S. Miller
parent 4337e993e1
commit f7ba205e82
1 changed files with 6 additions and 4 deletions
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10
drivers/net/igb/igb_main.c
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@ -3002,6 +3002,10 @@ static void igb_watchdog_task(struct work_struct *work)
}
}
/* Force detection of hung controller every watchdog period */
for (i = 0; i < adapter->num_tx_queues; i++)
adapter->tx_ring[i].detect_tx_hung = true;
/* Cause software interrupt to ensure rx ring is cleaned */
if (adapter->msix_entries) {
u32 eics = 0;
@ -3014,9 +3018,6 @@ static void igb_watchdog_task(struct work_struct *work)
wr32(E1000_ICS, E1000_ICS_RXDMT0);
}
/* Force detection of hung controller every watchdog period */
tx_ring->detect_tx_hung = true;
/* Reset the timer */
if (!test_bit(__IGB_DOWN, &adapter->state))
mod_timer(&adapter->watchdog_timer,
@ -3667,6 +3668,7 @@ static void igb_tx_timeout(struct net_device *netdev)
/* Do the reset outside of interrupt context */
adapter->tx_timeout_count++;
schedule_work(&adapter->reset_task);
wr32(E1000_EICS,
(adapter->eims_enable_mask & ~adapter->eims_other));
@ -4804,7 +4806,7 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
readl(tx_ring->tail),
tx_ring->next_to_use,
tx_ring->next_to_clean,
tx_ring->buffer_info[i].time_stamp,
tx_ring->buffer_info[eop].time_stamp,
eop,
jiffies,
eop_desc->wb.status);