+
+ if (tb[TCA_NETEM_REORDER-1]) {
+ ret = get_reorder(sch, tb[TCA_NETEM_REORDER-1]);
+ if (ret)
+ return ret;
+ }
+
+ if (tb[TCA_NETEM_CORRUPT-1]) {
+ ret = get_corrupt(sch, tb[TCA_NETEM_CORRUPT-1]);
+ if (ret)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Special case version of FIFO queue for use by netem.
+ * It queues in order based on timestamps in skb's
+ */
+struct fifo_sched_data {
+ u32 limit;
+};
+
+static int tfifo_enqueue(struct sk_buff *nskb, struct Qdisc *sch)
+{
+ struct fifo_sched_data *q = qdisc_priv(sch);
+ struct sk_buff_head *list = &sch->q;
+ const struct netem_skb_cb *ncb
+ = (const struct netem_skb_cb *)nskb->cb;
+ struct sk_buff *skb;
+
+ if (likely(skb_queue_len(list) < q->limit)) {
+ skb_queue_reverse_walk(list, skb) {
+ const struct netem_skb_cb *cb
+ = (const struct netem_skb_cb *)skb->cb;
+
+ if (!PSCHED_TLESS(ncb->time_to_send, cb->time_to_send))
+ break;
+ }
+
+ __skb_queue_after(list, skb, nskb);
+
+ sch->qstats.backlog += nskb->len;
+ sch->bstats.bytes += nskb->len;
+ sch->bstats.packets++;
+
+ return NET_XMIT_SUCCESS;