[PKT_SCHED]: RED: Use generic queue management interface

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>

1 files changed, 13 insertions, 29 deletions

diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index 0dabcc9091be..d5e934c33f96 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -105,22 +105,14 @@ red_enqueue(struct sk_buff *skb, struct Qdisc* sch)
                         break;
         }
 
-        if (sch->qstats.backlog + skb->len <= q->limit) {
-                __skb_queue_tail(&sch->q, skb);
-                sch->qstats.backlog += skb->len;
-                sch->bstats.bytes += skb->len;
-                sch->bstats.packets++;
-                return NET_XMIT_SUCCESS;
-        }
+        if (sch->qstats.backlog + skb->len <= q->limit)
+                return qdisc_enqueue_tail(skb, sch);
 
         q->stats.pdrop++;
-        kfree_skb(skb);
-        sch->qstats.drops++;
-        return NET_XMIT_DROP;
+        return qdisc_drop(skb, sch);
 
 congestion_drop:
-        kfree_skb(skb);
-        sch->qstats.drops++;
+        qdisc_drop(skb, sch);
         return NET_XMIT_CN;
 }
 
@@ -132,10 +124,7 @@ red_requeue(struct sk_buff *skb, struct Qdisc* sch)
         if (red_is_idling(&q->parms))
                 red_end_of_idle_period(&q->parms);
 
-        __skb_queue_head(&sch->q, skb);
-        sch->qstats.backlog += skb->len;
-        sch->qstats.requeues++;
-        return 0;
+        return qdisc_requeue(skb, sch);
 }
 
 static struct sk_buff *
@@ -144,14 +133,12 @@ red_dequeue(struct Qdisc* sch)
         struct sk_buff *skb;
         struct red_sched_data *q = qdisc_priv(sch);
 
-        skb = __skb_dequeue(&sch->q);
-        if (skb) {
-                sch->qstats.backlog -= skb->len;
-                return skb;
-        }
+        skb = qdisc_dequeue_head(sch);
 
-        red_start_of_idle_period(&q->parms);
-        return NULL;
+        if (skb == NULL)
+                red_start_of_idle_period(&q->parms);
+
+        return skb;
 }
 
 static unsigned int red_drop(struct Qdisc* sch)
@@ -159,13 +146,11 @@ static unsigned int red_drop(struct Qdisc* sch)
         struct sk_buff *skb;
         struct red_sched_data *q = qdisc_priv(sch);
 
-        skb = __skb_dequeue_tail(&sch->q);
+        skb = qdisc_dequeue_tail(sch);
         if (skb) {
                 unsigned int len = skb->len;
-                sch->qstats.backlog -= len;
-                sch->qstats.drops++;
                 q->stats.other++;
-                kfree_skb(skb);
+                qdisc_drop(skb, sch);
                 return len;
         }
 
@@ -177,8 +162,7 @@ static void red_reset(struct Qdisc* sch)
 {
         struct red_sched_data *q = qdisc_priv(sch);
 
-        __skb_queue_purge(&sch->q);
-        sch->qstats.backlog = 0;
+        qdisc_reset_queue(sch);
         red_restart(&q->parms);
 }