pkt_sched: sch_sfq: dump a real number of flows

Dump the "flows" number according to the number of active flows
instead of repeating the "limit".

Reported-by: Denys Fedoryshchenko <denys@visp.net.lb>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 1 deletions

diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 8589da66656..73f53844ce9 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -536,7 +536,14 @@ static int sfq_dump(struct Qdisc *sch, struct sk_buff *skb)
 
         opt.limit = q->limit;
         opt.divisor = SFQ_HASH_DIVISOR;
-        opt.flows = q->limit;
+        opt.flows = 0;
+        if (q->tail != SFQ_DEPTH) {
+                unsigned int i;
+
+                for (i = 0; i < SFQ_HASH_DIVISOR; i++)
+                        if (q->ht[i] != SFQ_DEPTH)
+                                opt.flows++;
+        }
 
         NLA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt);