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 X-Spam-Level: X-Spam-Status: No, score=-6.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 2FC8FC433E0 for ; Fri, 22 May 2020 04:24:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F0845206DD for ; Fri, 22 May 2020 04:24:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="LOyfr5Ly" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726286AbgEVEYT (ORCPT ); Fri, 22 May 2020 00:24:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44272 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725921AbgEVEYS (ORCPT ); Fri, 22 May 2020 00:24:18 -0400 Received: from mail-pf1-x42b.google.com (mail-pf1-x42b.google.com [IPv6:2607:f8b0:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3BC7BC061A0E; Thu, 21 May 2020 21:24:17 -0700 (PDT) Received: by mail-pf1-x42b.google.com with SMTP id e11so3660547pfn.3; Thu, 21 May 2020 21:24:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:to:cc:date:message-id:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=u1qp5PchNEddK4QSFzztTTIBWt9k+XfZUqh5kbp3XfQ=; b=LOyfr5Lyr7PNM53h7bbIayHaa8BpM7uo47sSfYUPBEdnKhDyUYEhJHSgqH/WWlxkcz JFxQDI4qraQADDh5bg8KybnThnINa4KZtPw0qX78cKna5hibyMQsLmQaY3CprEQ4SO+C aPT/QaIbIHY4erY+b8rtGDaboNRRLIIkzv48X2aaklg8MCvSr1LFGC+UCP7XLp4apGMM 9cJ5uiQ6G9py67BP0WSvVYN1oKAyM+Ovrf07Z9uoJlnCUOvJnppukOmC1uRo8Fdp2knW Ni47MWix3KFxSysNIjmbQsq5ihERwFGzUxBNT+F1GwEGG2BBAwoK7xRSj1ahsGqnkle0 /SJA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:from:to:cc:date:message-id:in-reply-to :references:user-agent:mime-version:content-transfer-encoding; bh=u1qp5PchNEddK4QSFzztTTIBWt9k+XfZUqh5kbp3XfQ=; b=m79OgvqcJ93KR1iaJRLID226YsD2ccHmqTlCz+gjEjaioz0P88akF+Bi7K5FgWuToq Mg9QxYyo4OMu1Vt0zYyj4YJ/QJo5YrcjS8BhDMgTkQlQB5LeQjUOsbmCYa8XnYCdLBeR /DMyz2jYs3joQ3p8qwr50Znh/kAZocQef/2dwJmW0wLhjy8DNkszv3jNbMcmuGr+k3aX JdhFM+lNGSHnws1EPJLzbEahdnnQnRUWQ0T/OXQop/fsCi4KeFwwxPIYvdRAeod1JdG1 02AYc9in6nZCbRbqhKlpjWuCbK3e6z+FdGPLUeSZoo65jnBsTiqZBsdaPUZ1bEWY7Rk0 XObA== X-Gm-Message-State: AOAM5317V9AWe68NBNG58w5gWY+GviSUNn3OUV54pVwPrxZ+cdFikIGS RQ20ouMUo0Pg+YPr2pq79ns= X-Google-Smtp-Source: ABdhPJyt/AqxciaxKJLkktD1rvdmul/OXNAg1nHzTgFdXZOVNLZ9qfVWXkr9FZl02H7xISh+e7dPjQ== X-Received: by 2002:a17:90a:21e5:: with SMTP id q92mr2015115pjc.63.1590121456783; Thu, 21 May 2020 21:24:16 -0700 (PDT) Received: from [127.0.1.1] ([184.63.162.180]) by smtp.gmail.com with ESMTPSA id y75sm5710772pfb.212.2020.05.21.21.24.07 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 21 May 2020 21:24:16 -0700 (PDT) Subject: [bpf-next PATCH v4 1/5] bpf: sk_msg add some generic helpers that may be useful from sk_msg From: John Fastabend To: yhs@fb.com, andrii.nakryiko@gmail.com, ast@kernel.org, daniel@iogearbox.net Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, john.fastabend@gmail.com, jakub@cloudflare.com, lmb@cloudflare.com Date: Thu, 21 May 2020 21:24:00 -0700 Message-ID: <159012144058.14791.5250915494357940883.stgit@john-Precision-5820-Tower> In-Reply-To: <159012108670.14791.18091717338621259928.stgit@john-Precision-5820-Tower> References: <159012108670.14791.18091717338621259928.stgit@john-Precision-5820-Tower> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Add these generic helpers that may be useful to use from sk_msg programs. The helpers do not depend on ctx so we can simply add them here, BPF_FUNC_perf_event_output BPF_FUNC_get_current_uid_gid BPF_FUNC_get_current_pid_tgid BPF_FUNC_get_current_comm BPF_FUNC_get_current_cgroup_id BPF_FUNC_get_current_ancestor_cgroup_id BPF_FUNC_get_cgroup_classid Acked-by: Yonghong Song Signed-off-by: John Fastabend --- 0 files changed diff --git a/net/core/filter.c b/net/core/filter.c index 822d662..a56046a 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -6443,6 +6443,22 @@ sk_msg_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) return &bpf_msg_push_data_proto; case BPF_FUNC_msg_pop_data: return &bpf_msg_pop_data_proto; + case BPF_FUNC_perf_event_output: + return &bpf_event_output_data_proto; + case BPF_FUNC_get_current_uid_gid: + return &bpf_get_current_uid_gid_proto; + case BPF_FUNC_get_current_pid_tgid: + return &bpf_get_current_pid_tgid_proto; +#ifdef CONFIG_CGROUPS + case BPF_FUNC_get_current_cgroup_id: + return &bpf_get_current_cgroup_id_proto; + case BPF_FUNC_get_current_ancestor_cgroup_id: + return &bpf_get_current_ancestor_cgroup_id_proto; +#endif +#ifdef CONFIG_CGROUP_NET_CLASSID + case BPF_FUNC_get_cgroup_classid: + return &bpf_get_cgroup_classid_curr_proto; +#endif default: return bpf_base_func_proto(func_id); }