net: sched: deprecate enqueue_root()

Only left enqueue_root() user is netem, and it looks not necessary :

qdisc_skb_cb(skb)->pkt_len is preserved after one skb_clone()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 994b5a0..1b0a2e8 100644 (file)
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -501,12 +501,6 @@ static inline int qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
        return sch->enqueue(skb, sch);
 }
 
-static inline int qdisc_enqueue_root(struct sk_buff *skb, struct Qdisc *sch)
-{
-       qdisc_skb_cb(skb)->pkt_len = skb->len;
-       return qdisc_enqueue(skb, sch) & NET_XMIT_MASK;
-}
-
 static inline bool qdisc_is_percpu_stats(const struct Qdisc *q)
 {
        return q->flags & TCQ_F_CPUSTATS;

diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 956ead2..5abd1d9 100644 (file)
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -440,9 +440,9 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
        if (count > 1 && (skb2 = skb_clone(skb, GFP_ATOMIC)) != NULL) {
                struct Qdisc *rootq = qdisc_root(sch);
                u32 dupsave = q->duplicate; /* prevent duplicating a dup... */
-               q->duplicate = 0;
 
-               qdisc_enqueue_root(skb2, rootq);
+               q->duplicate = 0;
+               rootq->enqueue(skb2, rootq);
                q->duplicate = dupsave;
        }