On 10/15/2014 05:37 PM, Eric Dumazet wrote:
> On Wed, 2014-10-15 at 15:25 +0800, Jason Wang wrote:
>
> ...
>
>> +static int free_old_xmit_skbs(struct send_queue *sq, int budget)
>> +{
>> + struct sk_buff *skb;
>> + unsigned int len;
>> + struct virtnet_info *vi = sq->vq->vdev->priv;
>> + struct virtnet_stats *stats = this_cpu_ptr(vi->stats);
>> + u64 tx_bytes = 0, tx_packets = 0;
>> +
>> + while (tx_packets < budget &&
>> + (skb = virtqueue_get_buf(sq->vq, &len)) != NULL) {
>> + pr_debug("Sent skb %p\n", skb);
>> +
>> + tx_bytes += skb->len;
>> + tx_packets++;
>> +
>> + dev_kfree_skb_any(skb);
>> + }
>> +
>> + u64_stats_update_begin(&stats->tx_syncp);
>> + stats->tx_bytes += tx_bytes;
>> + stats->tx_packets =+ tx_packets;
>
> stats->tx_packets += tx_packets;
My bad, will correct it in next version.
Thanks
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