The walk implementation of most qdisc class modules is basically the same. That is, the values of count and skip are checked first. If count is greater than or equal to skip, the registered fn function is executed. Otherwise, increase the value of count. So we can reconstruct them.
Signed-off-by: Zhengchao Shao shaozhengchao@huawei.com --- include/net/pkt_sched.h | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h index 29f65632ebc5..243e8b0cb7ea 100644 --- a/include/net/pkt_sched.h +++ b/include/net/pkt_sched.h @@ -222,4 +222,17 @@ static inline struct tc_skb_cb *tc_skb_cb(const struct sk_buff *skb) return cb; }
+static inline bool tc_qdisc_stats_dump(struct Qdisc *sch, + struct qdisc_walker *arg, + unsigned long cl) +{ + if (arg->count >= arg->skip && arg->fn(sch, cl, arg) < 0) { + arg->stop = 1; + return false; + } + + arg->count++; + return true; +} + #endif