From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Fastabend Subject: [net-next PATCH 04/14] net: sched: provide per cpu qstat helpers Date: Thu, 07 Dec 2017 09:55:07 -0800 Message-ID: <20171207175506.5771.51870.stgit@john-Precision-Tower-5810> References: <20171207173500.5771.41198.stgit@john-Precision-Tower-5810> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, jiri@resnulli.us, xiyou.wangcong@gmail.com To: willemdebruijn.kernel@gmail.com, daniel@iogearbox.net, eric.dumazet@gmail.com, davem@davemloft.net Return-path: Received: from mail-pg0-f67.google.com ([74.125.83.67]:38825 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753907AbdLGRzU (ORCPT ); Thu, 7 Dec 2017 12:55:20 -0500 Received: by mail-pg0-f67.google.com with SMTP id f12so4973909pgo.5 for ; Thu, 07 Dec 2017 09:55:20 -0800 (PST) In-Reply-To: <20171207173500.5771.41198.stgit@john-Precision-Tower-5810> Sender: netdev-owner@vger.kernel.org List-ID: The per cpu qstats support was added with per cpu bstat support which is currently used by the ingress qdisc. This patch adds a set of helpers needed to make other qdiscs that use qstats per cpu as well. Signed-off-by: John Fastabend --- include/net/sch_generic.h | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index bb806a0..7c4b96b 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -631,12 +631,39 @@ static inline void qdisc_qstats_backlog_dec(struct Qdisc *sch, sch->qstats.backlog -= qdisc_pkt_len(skb); } +static inline void qdisc_qstats_cpu_backlog_dec(struct Qdisc *sch, + const struct sk_buff *skb) +{ + this_cpu_sub(sch->cpu_qstats->backlog, qdisc_pkt_len(skb)); +} + static inline void qdisc_qstats_backlog_inc(struct Qdisc *sch, const struct sk_buff *skb) { sch->qstats.backlog += qdisc_pkt_len(skb); } +static inline void qdisc_qstats_cpu_backlog_inc(struct Qdisc *sch, + const struct sk_buff *skb) +{ + this_cpu_add(sch->cpu_qstats->backlog, qdisc_pkt_len(skb)); +} + +static inline void qdisc_qstats_cpu_qlen_inc(struct Qdisc *sch) +{ + this_cpu_inc(sch->cpu_qstats->qlen); +} + +static inline void qdisc_qstats_cpu_qlen_dec(struct Qdisc *sch) +{ + this_cpu_dec(sch->cpu_qstats->qlen); +} + +static inline void qdisc_qstats_cpu_requeues_inc(struct Qdisc *sch) +{ + this_cpu_inc(sch->cpu_qstats->requeues); +} + static inline void __qdisc_qstats_drop(struct Qdisc *sch, int count) { sch->qstats.drops += count; @@ -844,6 +871,14 @@ static inline void rtnl_qdisc_drop(struct sk_buff *skb, struct Qdisc *sch) qdisc_qstats_drop(sch); } +static inline int qdisc_drop_cpu(struct sk_buff *skb, struct Qdisc *sch, + struct sk_buff **to_free) +{ + __qdisc_drop(skb, to_free); + qdisc_qstats_cpu_drop(sch); + + return NET_XMIT_DROP; +} static inline int qdisc_drop(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)