[PKT_SCHED 05/05]: Keep backlog counter in sch_sfq

[Patrick McHardy]

[PKT_SCHED]: Keep backlog counter in sch_sfq

Keep backlog counter in SFQ qdisc to make it usable as child qdisc with
RED.

Signed-off-by: Patrick McHardy <[EMAIL PROTECTED]>

---
commit 78564b29480707a727ef83e5186036d2a280dd57
tree a87b1f211fa627c0d8da240d5e042ffac19324ad
parent 7a2ef66a3ef9321be0e090ab49be8fdde543f10e
author Patrick McHardy <[EMAIL PROTECTED]> Mon, 13 Feb 2006 21:05:11 +0100
committer Patrick McHardy <[EMAIL PROTECTED]> Mon, 13 Feb 2006 21:05:11 +0100

 net/sched/sch_sfq.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 86d8da0..e057768 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -232,6 +232,7 @@ static unsigned int sfq_drop(struct Qdis
                sfq_dec(q, x);
                sch->q.qlen--;
                sch->qstats.drops++;
+               sch->qstats.backlog -= len;
                return len;
        }
 
@@ -248,6 +249,7 @@ static unsigned int sfq_drop(struct Qdis
                sch->q.qlen--;
                q->ht[q->hash[d]] = SFQ_DEPTH;
                sch->qstats.drops++;
+               sch->qstats.backlog -= len;
                return len;
        }
 
@@ -266,6 +268,7 @@ sfq_enqueue(struct sk_buff *skb, struct 
                q->ht[hash] = x = q->dep[SFQ_DEPTH].next;
                q->hash[x] = hash;
        }
+       sch->qstats.backlog += skb->len;
        __skb_queue_tail(&q->qs[x], skb);
        sfq_inc(q, x);
        if (q->qs[x].qlen == 1) {               /* The flow is new */
@@ -301,6 +304,7 @@ sfq_requeue(struct sk_buff *skb, struct 
                q->ht[hash] = x = q->dep[SFQ_DEPTH].next;
                q->hash[x] = hash;
        }
+       sch->qstats.backlog += skb->len;
        __skb_queue_head(&q->qs[x], skb);
        sfq_inc(q, x);
        if (q->qs[x].qlen == 1) {               /* The flow is new */
@@ -344,6 +348,7 @@ sfq_dequeue(struct Qdisc* sch)
        skb = __skb_dequeue(&q->qs[a]);
        sfq_dec(q, a);
        sch->q.qlen--;
+       sch->qstats.backlog -= skb->len;
 
        /* Is the slot empty? */
        if (q->qs[a].qlen == 0) {
-
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