This patch changes the queued transmit path of netpoll, to use similar logic to the non-queued path. We don't want netpoll messages going into NIT and network qdisc logic.
Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]> --- netpoll.orig/net/core/netpoll.c +++ netpoll/net/core/netpoll.c @@ -51,13 +51,27 @@ static atomic_t trapped; static void zap_completion_queue(void); static void arp_reply(struct sk_buff *skb); +static void queue_process(void *); +static DECLARE_WORK(send_queue, queue_process, NULL); + static void queue_process(void *p) { struct sk_buff *skb; - while ((skb = skb_dequeue(&netpoll_txq))) - dev_queue_xmit(skb); + while ((skb = skb_dequeue(&netpoll_txq))) { + struct net_device *dev = skb->dev; + netif_tx_lock_bh(dev); + if (netif_queue_stopped(dev) || + dev->hard_start_xmit(skb, dev) != NETDEV_TX_OK) { + skb_queue_head(&netpoll_txq, skb); + netif_tx_unlock_bh(dev); + + schedule_delayed_work(&send_queue, 1); + return; + } + netif_tx_unlock_bh(dev); + } } static void queue_purge(struct net_device *dev) @@ -77,8 +91,6 @@ static void queue_purge(struct net_devic spin_unlock_irqrestore(&netpoll_txq.lock, flags); } -static DECLARE_WORK(send_queue, queue_process, NULL); - void netpoll_queue(struct sk_buff *skb) { skb_queue_tail(&netpoll_txq, skb); - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html