From patchwork Thu Aug 5 18:57:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cong Wang X-Patchwork-Id: 493250 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00CD2C432BE for ; Thu, 5 Aug 2021 18:58:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D71A960F58 for ; Thu, 5 Aug 2021 18:58:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241882AbhHES6T (ORCPT ); Thu, 5 Aug 2021 14:58:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48216 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241878AbhHES6P (ORCPT ); Thu, 5 Aug 2021 14:58:15 -0400 Received: from mail-oo1-xc2d.google.com (mail-oo1-xc2d.google.com [IPv6:2607:f8b0:4864:20::c2d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 90104C06179C for ; Thu, 5 Aug 2021 11:57:59 -0700 (PDT) Received: by mail-oo1-xc2d.google.com with SMTP id 13-20020a4ae1ad0000b029024b19a4d98eso1586894ooy.5 for ; Thu, 05 Aug 2021 11:57:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Er+z0V/78NtCvK3pvfWA7OY3Y0ErSPtfUBuSQfWUBy4=; b=Yo3gz8BHOlbKfCzNggFthMBzBqj4KE7ZuqBdT0BMfjEla3GtOGZjT7cmHEmNlQZC7N 2pkxId5RatKY92R306cUZkRxGqSRKu1TP0e3iKnC2TO6SLHmBzYnhlsiX5AwpwePV7FK 1S7pIPPybc9yThCyREmhpDMUC4HBtLh8drkPbeyvCvGUQDdsEgMIG0UV5r5XsTfZE8ET U5Ksa+6LLX9h1R2BWfkboDvtyeLp7FbVPLnAHtwROA5f6uMyB20/VBRl3df2fJYiCGLy rBJzLpx3WiuJK3hHbnebHXZZZTmBIzdIbBLdPGtce/4rNTxM+Mfvu/xjoaxsu2Bzp2Q/ ZTIg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Er+z0V/78NtCvK3pvfWA7OY3Y0ErSPtfUBuSQfWUBy4=; b=nRh10/Z5WsVEreXsVl4r3ZoyksSi/S0UEyfsSJHvhcifqogM2aht9k7ijUJvahi0X4 Qn5fz8Jw0rEyFL0PbyleQQ/zt+1PbvhakhW7pujLv759o9xf73mf/2+YJAiar8IcF/fD ATUV4HwdqTVCdwO/uQxHApOPorbAvNWf/iKnUSSMA0b+0ByyJZm7FmzAl6sBShY7hzKH f5agS7Iiyi2Kq20KIzFWx7mSmB0ubVnp0Ia59UZeZRtYBxmzdIToWIxkFECZaHQphZaQ XyuTkIHX1MZMqrztiui5w2iNZd1uk/HzXurcngjp3/6kJymg28qpD0hePSsIz8G5UKU2 AoVQ== X-Gm-Message-State: AOAM532HouwEp3YdoeN5tM4sTYTQpDRLCXtGCi2PpUFVYCwusTo/6vsl qmHcdP/4xTfQa1Ns1rptooSQLyptEwk= X-Google-Smtp-Source: ABdhPJyYzEEY+OJUzeNcpDc59JwjHwA3XTZeo47Oezp3CAyaP7Q7cp9xLT7A9S3A52/x3NjrE5OPug== X-Received: by 2002:a4a:e703:: with SMTP id y3mr4348002oou.24.1628189878741; Thu, 05 Aug 2021 11:57:58 -0700 (PDT) Received: from unknown.attlocal.net ([2600:1700:65a0:ab60:c64b:2366:2e53:c024]) by smtp.gmail.com with ESMTPSA id r5sm358678otk.71.2021.08.05.11.57.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Aug 2021 11:57:58 -0700 (PDT) From: Cong Wang To: netdev@vger.kernel.org Cc: Qitao Xu , Cong Wang Subject: [Patch net-next 05/13] udp: introduce tracepoint trace_udp_v6_send_skb() Date: Thu, 5 Aug 2021 11:57:42 -0700 Message-Id: <20210805185750.4522-6-xiyou.wangcong@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210805185750.4522-1-xiyou.wangcong@gmail.com> References: <20210805185750.4522-1-xiyou.wangcong@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Qitao Xu Tracepoint trace_udp_v6_send_skb() is introduced to trace skb at the exit of UDPv6 layer on TX side. Reviewed-by: Cong Wang Signed-off-by: Qitao Xu --- include/trace/events/udp.h | 21 +++++++++++++++++++++ net/core/net-traces.c | 3 +++ net/ipv6/udp.c | 2 ++ 3 files changed, 26 insertions(+) diff --git a/include/trace/events/udp.h b/include/trace/events/udp.h index 7babc1a11693..6af4b402237a 100644 --- a/include/trace/events/udp.h +++ b/include/trace/events/udp.h @@ -46,6 +46,27 @@ TRACE_EVENT(udp_send_skb, TP_printk("skaddr=%px, skbaddr=%px", __entry->skaddr, __entry->skbaddr) ); +#if IS_ENABLED(CONFIG_IPV6) +TRACE_EVENT(udp_v6_send_skb, + + TP_PROTO(const struct sock *sk, const struct sk_buff *skb), + + TP_ARGS(sk, skb), + + TP_STRUCT__entry( + __field(const void *, skaddr) + __field(const void *, skbaddr) + ), + + TP_fast_assign( + __entry->skaddr = sk; + __entry->skbaddr = skb; + ), + + TP_printk("skaddr=%px, skbaddr=%px", __entry->skaddr, __entry->skbaddr) +); +#endif + #endif /* _TRACE_UDP_H */ /* This part must be outside protection */ diff --git a/net/core/net-traces.c b/net/core/net-traces.c index e1bd46076ad0..0aca299dfb55 100644 --- a/net/core/net-traces.c +++ b/net/core/net-traces.c @@ -62,3 +62,6 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(napi_poll); EXPORT_TRACEPOINT_SYMBOL_GPL(tcp_send_reset); EXPORT_TRACEPOINT_SYMBOL_GPL(tcp_bad_csum); +#if IS_ENABLED(CONFIG_IPV6) +EXPORT_TRACEPOINT_SYMBOL_GPL(udp_v6_send_skb); +#endif diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index c5e15e94bb00..84895ca40e5c 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -52,6 +52,7 @@ #include #include #include +#include #include "udp_impl.h" static u32 udp6_ehashfn(const struct net *net, @@ -1255,6 +1256,7 @@ static int udp_v6_send_skb(struct sk_buff *skb, struct flowi6 *fl6, } else { UDP6_INC_STATS(sock_net(sk), UDP_MIB_OUTDATAGRAMS, is_udplite); + trace_udp_v6_send_skb(sk, skb); } return err; }