From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A2711C433F5 for ; Thu, 20 Jan 2022 18:49:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234874AbiATSti (ORCPT ); Thu, 20 Jan 2022 13:49:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36090 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233349AbiATSth (ORCPT ); Thu, 20 Jan 2022 13:49:37 -0500 Received: from mail-wm1-x32a.google.com (mail-wm1-x32a.google.com [IPv6:2a00:1450:4864:20::32a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4205DC061574 for ; Thu, 20 Jan 2022 10:49:37 -0800 (PST) Received: by mail-wm1-x32a.google.com with SMTP id q141-20020a1ca793000000b00347b48dfb53so16067227wme.0 for ; Thu, 20 Jan 2022 10:49:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloudflare.com; s=google; h=references:user-agent:from:to:cc:subject:in-reply-to:date :message-id:mime-version; bh=PjKjTy7eKMFmfv+qinocmQZR2jNJN1JZ8w0q2u47Vn0=; b=paUwrbhZpOFOr2xyR2soJ0kAo/nNbfubVkLwUSz83Sz4q100u/2m+ldwyqhvP4+ibh LJoQv0pBDZkkBmEmGsTXanXgsY+pbr6Om76/tzDmzfEm+K9YhcvY/MNq/9r77Wq6PE84 hDH5fDVjTO2RdutpFbmeFsHefNlQ4X2AqM/DU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:references:user-agent:from:to:cc:subject :in-reply-to:date:message-id:mime-version; bh=PjKjTy7eKMFmfv+qinocmQZR2jNJN1JZ8w0q2u47Vn0=; b=ov/DEAxq3Fa4co8lwiXMSjn0efJgFA5PTVtCevDUPs+9xEXJfmtT+458rXnTdoag5h t/PHaxvZ5HNLQEaZgqqDNnkGmetnTVrnItkPLuo8IFGU4lEJn0AP+iIy/yConzel1bmA b1QsyaCDf9H2YwQzLnlp67bmZ330zIyz2Ge2pAioracOzeog7gVDwFz2EJlN+9fLthUP CtkWRwpFdn87EIoh8JQk6mYmikZHK0GZUPFMvU8Df46wK2cGCHlLN+qyAQaE+iYz1TG7 MozdJX9Y5dCLxLFxN3znzcL8wE6h1UjneEqQzjanRSRGgzWHC4obpg+NjEfn0EOsRXow HPmQ== X-Gm-Message-State: AOAM532ojcqV2GiXeJ8+drPSXg4JjLwz9VZTMuVqGmW+1HzvcJJCqoBL KB5V9+CKcv7WK7vJF61oYq8PBw== X-Google-Smtp-Source: ABdhPJy/33XhjLc483J2fGdR8q8hYcr38yxjUVZuY1FCf5UdwYkL+OsJLlJHmPsW6ujinOgXviu0Gw== X-Received: by 2002:a5d:47ad:: with SMTP id 13mr358168wrb.545.1642704575807; Thu, 20 Jan 2022 10:49:35 -0800 (PST) Received: from cloudflare.com ([2a01:110f:4809:d800::e00]) by smtp.gmail.com with ESMTPSA id p8sm3781641wre.72.2022.01.20.10.49.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Jan 2022 10:49:35 -0800 (PST) References: <20220119014005.1209-1-zhudi2@huawei.com> User-agent: mu4e 1.1.0; emacs 27.2 From: Jakub Sitnicki To: Di Zhu Cc: andrii.nakryiko@gmail.com, ast@kernel.org, davem@davemloft.net, daniel@iogearbox.net, andrii@kernel.org, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, luzhihao@huawei.com, rose.chen@huawei.com Subject: Re: [PATCH bpf-next v6 1/2] bpf: support BPF_PROG_QUERY for progs attached to sockmap In-reply-to: <20220119014005.1209-1-zhudi2@huawei.com> Date: Thu, 20 Jan 2022 19:49:34 +0100 Message-ID: <87wniunsxt.fsf@cloudflare.com> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Wed, Jan 19, 2022 at 02:40 AM CET, Di Zhu wrote: > Right now there is no way to query whether BPF programs are > attached to a sockmap or not. > > we can use the standard interface in libbpf to query, such as: > bpf_prog_query(mapFd, BPF_SK_SKB_STREAM_PARSER, 0, NULL, ...); > the mapFd is the fd of sockmap. > > Signed-off-by: Di Zhu > Acked-by: Yonghong Song > --- Thanks for adding the annotation. Reviewed-by: Jakub Sitnicki