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Subject[PATCH net-next 2/3] net: sched: sch_gred: add statistics when calling qdisc_drop() in sch_gred
Date
Now, the "other" member in the gred_sched_data structure is not used.
According to the description, "other" should be added when calling
qdisc_drop() to discard packets.

Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
---
include/net/red.h | 2 +-
net/sched/sch_gred.c | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/net/red.h b/include/net/red.h
index 30c6a23ab8cc..dad41eff8c62 100644
--- a/include/net/red.h
+++ b/include/net/red.h
@@ -122,7 +122,7 @@ struct red_stats {
u32 forced_drop; /* Forced drops, qavg > max_thresh */
u32 forced_mark; /* Forced marks, qavg > max_thresh */
u32 pdrop; /* Drops due to queue limits */
- u32 other; /* Drops due to drop() calls */
+ u32 other; /* Drops due to qdisc_drop() calls */
};

struct red_parms {
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index 1073c76d05c4..c50a0853dcb9 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -251,9 +251,11 @@ static int gred_enqueue(struct sk_buff *skb, struct Qdisc *sch,

q->stats.pdrop++;
drop:
+ q->stats.other++;
return qdisc_drop(skb, sch, to_free);

congestion_drop:
+ q->stats.other++;
qdisc_drop(skb, sch, to_free);
return NET_XMIT_CN;
}
--
2.17.1
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