bnx2: fixing a timout error due not refreshing TX timers correctly
When running the following script on an active bnx2 interface: while(true); do ifconfig ethX mtu 9000; ifconfig ethX mtu 1500; done A timeout error appears and dumps the following stack: NETDEV WATCHDOG: eth4 (bnx2): transmit queue 0 timed out ------------[ cut here ]------------ Badness at net/sched/sch_generic.c:261 <snip> This patch just fixes the way that ->trans_start is refreshed. Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com> Acked-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -654,9 +654,17 @@ bnx2_netif_stop(struct bnx2 *bp)
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{
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bnx2_cnic_stop(bp);
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if (netif_running(bp->dev)) {
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int i;
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bnx2_napi_disable(bp);
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netif_tx_disable(bp->dev);
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bp->dev->trans_start = jiffies; /* prevent tx timeout */
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/* prevent tx timeout */
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for (i = 0; i < bp->dev->num_tx_queues; i++) {
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struct netdev_queue *txq;
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txq = netdev_get_tx_queue(bp->dev, i);
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txq->trans_start = jiffies;
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}
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}
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}
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