pkt_sched: sch_hfsc: sch_htb: Add non-work-conserving warning handler.

Patrick McHardy <kaber@trash.net> suggested:
> How about making this flag and the warning message (in a out-of-line
> function) globally available? Other qdiscs (f.i. HFSC) can't deal with
> inner non-work-conserving qdiscs as well.

This patch uses qdisc->flags field of "suspected" child qdisc.

Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 4 deletions

diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 45c31b1a4e1d..74226b265528 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -887,8 +887,7 @@ qdisc_peek_len(struct Qdisc *sch)
 
         skb = sch->ops->peek(sch);
         if (skb == NULL) {
-                if (net_ratelimit())
-                        printk("qdisc_peek_len: non work-conserving qdisc ?\n");
+                qdisc_warn_nonwc("qdisc_peek_len", sch);
                 return 0;
         }
         len = qdisc_pkt_len(skb);
@@ -1642,8 +1641,7 @@ hfsc_dequeue(struct Qdisc *sch)
 
         skb = qdisc_dequeue_peeked(cl->qdisc);
         if (skb == NULL) {
-                if (net_ratelimit())
-                        printk("HFSC: Non-work-conserving qdisc ?\n");
+                qdisc_warn_nonwc("HFSC", cl->qdisc);
                 return NULL;
         }