[NET_SCHED]: Set parent classid in default qdiscs

[linux-2.6] / net / sched / sch_netem.c

diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index c5bd8064e6d81e68ff1a1b41ffca80ede3778fa1..90aeeb7b7167816a99cd9002cbb643d1642e7f70 100644 (file)
--- 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;