X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fsched%2Fsch_netem.c;h=90aeeb7b7167816a99cd9002cbb643d1642e7f70;hb=9f9afec48221fe4a19f84a9341f5b304bf7d7783;hp=c5bd8064e6d81e68ff1a1b41ffca80ede3778fa1;hpb=075395d228641646159dae3dd170fa3fc6ff477a;p=linux-2.6

diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index c5bd8064e6..90aeeb7b71 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -4,7 +4,7 @@
  * 		This program is free software; you can redistribute it and/or
  * 		modify it under the terms of the GNU General Public License
  * 		as published by the Free Software Foundation; either version
- * 		2 of the License, or (at your option) any later version.
+ * 		2 of the License.
  *
  *  		Many of the algorithms and ideas for this came from
  *		NIST Net which is not copyrighted. 
@@ -148,7 +148,8 @@ static long tabledist(unsigned long mu, long sigma,
 static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 {
 	struct netem_sched_data *q = qdisc_priv(sch);
-	struct netem_skb_cb *cb = (struct netem_skb_cb *)skb->cb;
+	/* We don't fill cb now as skb_unshare() may invalidate it */
+	struct netem_skb_cb *cb;
 	struct sk_buff *skb2;
 	int ret;
 	int count = 1;
@@ -169,6 +170,8 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 		return NET_XMIT_BYPASS;
 	}
 
+	skb_orphan(skb);
+
 	/*
 	 * If we need to duplicate packet, then re-insert at top of the
 	 * qdisc tree, since parent queuer expects that only one
@@ -191,8 +194,8 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 	 */
 	if (q->corrupt && q->corrupt >= get_crandom(&q->corrupt_cor)) {
 		if (!(skb = skb_unshare(skb, GFP_ATOMIC))
-		    || (skb->ip_summed == CHECKSUM_HW
-			&& skb_checksum_help(skb, 0))) {
+		    || (skb->ip_summed == CHECKSUM_PARTIAL
+			&& skb_checksum_help(skb))) {
 			sch->qstats.drops++;
 			return NET_XMIT_DROP;
 		}
@@ -200,6 +203,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 		skb->data[net_random() % skb_headlen(skb)] ^= 1<<(net_random() % 8);
 	}
 
+	cb = (struct netem_skb_cb *)skb->cb;
 	if (q->gap == 0 		/* not doing reordering */
 	    || q->counter < q->gap 	/* inside last reordering gap */
 	    || q->reorder < get_crandom(&q->reorder_cor)) {
@@ -570,7 +574,8 @@ static int netem_init(struct Qdisc *sch, struct rtattr *opt)
 	q->timer.function = netem_watchdog;
 	q->timer.data = (unsigned long) sch;
 
-	q->qdisc = qdisc_create_dflt(sch->dev, &tfifo_qdisc_ops);
+	q->qdisc = qdisc_create_dflt(sch->dev, &tfifo_qdisc_ops,
+				     TC_H_MAKE(sch->handle, 1));
 	if (!q->qdisc) {
 		pr_debug("netem: qdisc create failed\n");
 		return -ENOMEM;