From: Alexander Duyck Date: Tue, 27 Oct 2009 23:48:51 +0000 (+0000) Subject: igb: make tx hang check multiqueue, check eop descriptor X-Git-Tag: firefly_0821_release~9833^2~3968^2~659 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f7ba205e823f32e634712323a221b42bfea06efa;p=firefly-linux-kernel-4.4.55.git 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 Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 7f322115fd1f..f75f90ff8138 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -3002,6 +3002,10 @@ link_up: } } + /* 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 @@ link_up: 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);