fq_codel: dont reinit flow state

When fq_codel builds a new flow, it should not reset codel state.

Codel algo needs to get previous values (lastcount, drop_next) to get
proper behavior.

Signed-off-by: Dave Taht <dave.taht@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Dave Taht <dave.taht@bufferbloat.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index 9fc1c62..4e606fc 100644 (file)
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -191,7 +191,6 @@ static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 
        if (list_empty(&flow->flowchain)) {
                list_add_tail(&flow->flowchain, &q->new_flows);
-               codel_vars_init(&flow->cvars);
                q->new_flow_count++;
                flow->deficit = q->quantum;
                flow->dropped = 0;
@@ -418,6 +417,7 @@ static int fq_codel_init(struct Qdisc *sch, struct nlattr *opt)
                        struct fq_codel_flow *flow = q->flows + i;
 
                        INIT_LIST_HEAD(&flow->flowchain);
+                       codel_vars_init(&flow->cvars);
                }
        }
        if (sch->limit >= 1)