From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jakub Kicinski Subject: [RFCv2 11/16] net: cls_bpf: allow offloaded filters to update stats Date: Fri, 26 Aug 2016 19:06:10 +0100 Message-ID: <1472234775-29453-12-git-send-email-jakub.kicinski@netronome.com> References: <1472234775-29453-1-git-send-email-jakub.kicinski@netronome.com> Cc: ast@kernel.org, daniel@iogearbox.net, dinan.gunawardena@netronome.com, jiri@resnulli.us, john.fastabend@gmail.com, kubakici@wp.pl, Jakub Kicinski To: netdev@vger.kernel.org Return-path: Received: from mail-wm0-f52.google.com ([74.125.82.52]:37872 "EHLO mail-wm0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751527AbcHZSI4 (ORCPT ); Fri, 26 Aug 2016 14:08:56 -0400 Received: by mail-wm0-f52.google.com with SMTP id i5so3354017wmg.0 for ; Fri, 26 Aug 2016 11:07:59 -0700 (PDT) In-Reply-To: <1472234775-29453-1-git-send-email-jakub.kicinski@netronome.com> Sender: netdev-owner@vger.kernel.org List-ID: Call into offloaded filters to update stats. Signed-off-by: Jakub Kicinski --- include/net/pkt_cls.h | 1 + net/sched/cls_bpf.c | 11 +++++++++++ 2 files changed, 12 insertions(+) diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h index 0a4a51f339b4..462dc53dd8cc 100644 --- a/include/net/pkt_cls.h +++ b/include/net/pkt_cls.h @@ -490,6 +490,7 @@ enum tc_clsbpf_command { TC_CLSBPF_ADD, TC_CLSBPF_REPLACE, TC_CLSBPF_DESTROY, + TC_CLSBPF_STATS, }; struct tc_cls_bpf_offload { diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c index 630f296f5a90..f1095c6211c9 100644 --- a/net/sched/cls_bpf.c +++ b/net/sched/cls_bpf.c @@ -223,6 +223,15 @@ static void cls_bpf_stop_offload(struct tcf_proto *tp, prog->offloaded = false; } +static void cls_bpf_offload_update_stats(struct tcf_proto *tp, + struct cls_bpf_prog *prog) +{ + if (!prog->offloaded) + return; + + cls_bpf_offload_cmd(tp, prog, TC_CLSBPF_STATS); +} + static int cls_bpf_init(struct tcf_proto *tp) { struct cls_bpf_head *head; @@ -577,6 +586,8 @@ static int cls_bpf_dump(struct net *net, struct tcf_proto *tp, unsigned long fh, tm->tcm_handle = prog->handle; + cls_bpf_offload_update_stats(tp, prog); + nest = nla_nest_start(skb, TCA_OPTIONS); if (nest == NULL) goto nla_put_failure; -- 1.9.1