From patchwork Thu May 23 10:56:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Toshiaki Makita X-Patchwork-Id: 1104024 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=lab.ntt.co.jp Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 458mhJ4219z9s5c for ; Thu, 23 May 2019 20:58:40 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730331AbfEWK6j (ORCPT ); Thu, 23 May 2019 06:58:39 -0400 Received: from tama500.ecl.ntt.co.jp ([129.60.39.148]:35441 "EHLO tama500.ecl.ntt.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726310AbfEWK6j (ORCPT ); Thu, 23 May 2019 06:58:39 -0400 Received: from vc2.ecl.ntt.co.jp (vc2.ecl.ntt.co.jp [129.60.86.154]) by tama500.ecl.ntt.co.jp (8.13.8/8.13.8) with ESMTP id x4NAwHWn029945; Thu, 23 May 2019 19:58:17 +0900 Received: from vc2.ecl.ntt.co.jp (localhost [127.0.0.1]) by vc2.ecl.ntt.co.jp (Postfix) with ESMTP id 5B4B9639047; Thu, 23 May 2019 19:58:17 +0900 (JST) Received: from jcms-pop21.ecl.ntt.co.jp (jcms-pop21.ecl.ntt.co.jp [129.60.87.134]) by vc2.ecl.ntt.co.jp (Postfix) with ESMTP id 50022638C92; Thu, 23 May 2019 19:58:17 +0900 (JST) Received: from makita-ubuntu.m.ecl.ntt.co.jp (eb8460w-makita.sic.ecl.ntt.co.jp [129.60.241.47]) by jcms-pop21.ecl.ntt.co.jp (Postfix) with ESMTPSA id 45B314007AA; Thu, 23 May 2019 19:58:17 +0900 (JST) From: Toshiaki Makita Subject: [PATCH bpf-next 2/3] xdp: Add tracepoint for bulk XDP_TX Date: Thu, 23 May 2019 19:56:47 +0900 Message-Id: <1558609008-2590-3-git-send-email-makita.toshiaki@lab.ntt.co.jp> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1558609008-2590-1-git-send-email-makita.toshiaki@lab.ntt.co.jp> References: <1558609008-2590-1-git-send-email-makita.toshiaki@lab.ntt.co.jp> X-CC-Mail-RelayStamp: 1 To: Alexei Starovoitov , Daniel Borkmann , "David S. Miller" , Jakub Kicinski , Jesper Dangaard Brouer , John Fastabend Cc: Toshiaki Makita , netdev@vger.kernel.org, xdp-newbies@vger.kernel.org, bpf@vger.kernel.org X-TM-AS-MML: disable Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This is introduced for admins to check what is happening on XDP_TX when bulk XDP_TX is in use. Signed-off-by: Toshiaki Makita --- include/trace/events/xdp.h | 25 +++++++++++++++++++++++++ kernel/bpf/core.c | 1 + 2 files changed, 26 insertions(+) diff --git a/include/trace/events/xdp.h b/include/trace/events/xdp.h index e95cb86..e06ea65 100644 --- a/include/trace/events/xdp.h +++ b/include/trace/events/xdp.h @@ -50,6 +50,31 @@ __entry->ifindex) ); +TRACE_EVENT(xdp_bulk_tx, + + TP_PROTO(const struct net_device *dev, + int sent, int drops, int err), + + TP_ARGS(dev, sent, drops, err), + + TP_STRUCT__entry( + __field(int, ifindex) + __field(int, drops) + __field(int, sent) + __field(int, err) + ), + + TP_fast_assign( + __entry->ifindex = dev->ifindex; + __entry->drops = drops; + __entry->sent = sent; + __entry->err = err; + ), + + TP_printk("ifindex=%d sent=%d drops=%d err=%d", + __entry->ifindex, __entry->sent, __entry->drops, __entry->err) +); + DECLARE_EVENT_CLASS(xdp_redirect_template, TP_PROTO(const struct net_device *dev, diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 242a643..7687488 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -2108,3 +2108,4 @@ int __weak skb_copy_bits(const struct sk_buff *skb, int offset, void *to, #include EXPORT_TRACEPOINT_SYMBOL_GPL(xdp_exception); +EXPORT_TRACEPOINT_SYMBOL_GPL(xdp_bulk_tx);