From patchwork Sat Jun 12 02:35:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kumar Kartikeya Dwivedi X-Patchwork-Id: 459756 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=unavailable 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 DF682C48BE5 for ; Sat, 12 Jun 2021 02:37:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF3D46128A for ; Sat, 12 Jun 2021 02:37:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230462AbhFLCil (ORCPT ); Fri, 11 Jun 2021 22:38:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229584AbhFLCij (ORCPT ); Fri, 11 Jun 2021 22:38:39 -0400 Received: from mail-pj1-x1043.google.com (mail-pj1-x1043.google.com [IPv6:2607:f8b0:4864:20::1043]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 067BDC0617AF; Fri, 11 Jun 2021 19:36:29 -0700 (PDT) Received: by mail-pj1-x1043.google.com with SMTP id g24so6668499pji.4; Fri, 11 Jun 2021 19:36:29 -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=5oTyBg2zzSvZuVYD/2K5aNP50Oymbht27Q2wyBGJt3w=; b=ptskm5sgUj/qxXMUF/gLmV6yBKXYt3QpalwYbSOy0xqEUATqnL6KHqZ33FcRJaOHwG n6WpLK5dqW0p4c+yOvRlwQnD7LRC7JJz0gjsOaRU0/4lZwRWRCicUifFzA314WnsgLWb QzT2gI1Vzkv8LctzNDOtqEZHlFUxrbK3im9RC/c1Aeg8GFCqGWEe6Bte1XYL5fKunNng BwNDIxeouajOhYpaFLhiQ+r1SjTx5HC+yrJTN3OM99sQ5+8z+11rcHuh0Ju8w36hU3Rc JZVR4Vcl4aF6LUJsHlVccmdfSGVLH285mup+bqhW3+7A16fi78bAJOVpEB4MWVKIKXCT 6BDQ== 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=5oTyBg2zzSvZuVYD/2K5aNP50Oymbht27Q2wyBGJt3w=; b=XT0mZEt2afgrkV/fX9xrYwaewDjopUAefFk/kn6MQN11oFnbxV3WUoakB1NK6cDEaV OMUwUtMjrZUpZg6GuWf6ownXw8u1zZYYeKzOI3WVu+pgYsjJTNs7JE4SfHFpX65SQaHO vVtR1LWZlDA1IbZiMm46qpi4oV7fMau2kE4k37pxaVVkMTnGtaFUsfZD01lkbGVjh9fK xhIrVM1b6wfrgl78+ifWJYm/KV0i3qQkh/FO7k19IFjC4OKbyrJ3qags9Xw36M5ON3FD g8sRThv6se46F997Bs2sJzBmYKvu4t6n+LS72yX+OKj2nwJZgBePdc556I2emE/wmaNv dyYQ== X-Gm-Message-State: AOAM533E/Uk+Yqa/WNafYu9Wr8/Vvh3Wtc48JTy7okg4LAPL/D5qX7hS PjE4gVd4mm1X9G5AEj04f+AffKanHj0= X-Google-Smtp-Source: ABdhPJwxDA2DovcyD9w/5/CEBjVlJZOoZW/0BrrK2UUjLsyh7qzRiX3UbYbT6piPIzIRieODIhhjVA== X-Received: by 2002:a17:90a:7841:: with SMTP id y1mr12074959pjl.119.1623465388439; Fri, 11 Jun 2021 19:36:28 -0700 (PDT) Received: from localhost ([2409:4063:4d05:9fb3:bc63:2dba:460a:d70e]) by smtp.gmail.com with ESMTPSA id cl4sm5842238pjb.32.2021.06.11.19.36.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Jun 2021 19:36:28 -0700 (PDT) From: Kumar Kartikeya Dwivedi To: bpf@vger.kernel.org Cc: Kumar Kartikeya Dwivedi , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , =?utf-8?q?Toke_H=C3=B8iland-J=C3=B8rgensen?= , netdev@vger.kernel.org Subject: [PATCH bpf-next 2/3] libbpf: set NLM_F_EXCL when creating qdisc Date: Sat, 12 Jun 2021 08:05:01 +0530 Message-Id: <20210612023502.1283837-3-memxor@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210612023502.1283837-1-memxor@gmail.com> References: <20210612023502.1283837-1-memxor@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This got lost during the refactoring across versions. We always use NLM_F_EXCL when creating some TC object, so reflect what the function says and set the flag. Fixes: 715c5ce454a6 ("libbpf: Add low level TC-BPF management API") Signed-off-by: Kumar Kartikeya Dwivedi --- tools/lib/bpf/netlink.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/lib/bpf/netlink.c b/tools/lib/bpf/netlink.c index efbb50ad59d8..cf9381f03b16 100644 --- a/tools/lib/bpf/netlink.c +++ b/tools/lib/bpf/netlink.c @@ -457,7 +457,7 @@ static int tc_qdisc_modify(struct bpf_tc_hook *hook, int cmd, int flags) static int tc_qdisc_create_excl(struct bpf_tc_hook *hook) { - return tc_qdisc_modify(hook, RTM_NEWQDISC, NLM_F_CREATE); + return tc_qdisc_modify(hook, RTM_NEWQDISC, NLM_F_CREATE | NLM_F_EXCL); } static int tc_qdisc_delete(struct bpf_tc_hook *hook)