From patchwork Tue Nov 20 05:16:16 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nikita V. Shirokov" X-Patchwork-Id: 1000274 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=tehnerd.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=tehnerd-com.20150623.gappssmtp.com header.i=@tehnerd-com.20150623.gappssmtp.com header.b="18XRrgxL"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 42zZKk27ptz9s3x for ; Tue, 20 Nov 2018 16:40:10 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731560AbeKTQHY (ORCPT ); Tue, 20 Nov 2018 11:07:24 -0500 Received: from mail-pf1-f176.google.com ([209.85.210.176]:38564 "EHLO mail-pf1-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726883AbeKTQHY (ORCPT ); Tue, 20 Nov 2018 11:07:24 -0500 Received: by mail-pf1-f176.google.com with SMTP id q1so436297pfi.5 for ; Mon, 19 Nov 2018 21:40:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tehnerd-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=clV0Sbbh+oeBD58A4GQJwHD1K9iwjJXDrIgssHmPEKY=; b=18XRrgxL45OLED5ZWUerBs2qfXe7zneeOJIR9v20TRnYZmO3UaAqrN94P4xh1dFDN+ StC47PL8YRof5yoJo8dZrTDRuvYUiUvjQ+grNWtnBhfMiAWvbmSKlPr1x1ARoZrz1/vx MZz8BR8GcyN4irqr+zPcfrmMXkO4Frpx+kyq2j7wnEFu6JkoVRf+jdqBRqDHGGDPMA80 Wgvz99Bf3sBUNJMqvPh+VggHJVxfnl+FnumPyCdc5f5x7B5vNVuB2XY6GOvqAboFtaq9 p7htd56Jc/zBIugJ8QcDf1hDyQwZh6fR+Gxjyc9hapBZJ9oDWQ5NhsBDj0voZXDkWJB+ 17jw== 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; bh=clV0Sbbh+oeBD58A4GQJwHD1K9iwjJXDrIgssHmPEKY=; b=TCVg0F4O4GXF/iPadXqfe+oVOLKX68LkWMVbqekpo+ru1AullVX6GtKN8IpiVz0g+a WXaq4MB4iwz66c1MPQhPAtrMFDlGbjOzrF8yPFLpWJtd8Ya4NUFe9EqfvID4C5pDFnlY 3fNoy5dzu96KdDdNGEneaxBbx7amMjS+5qyT5vSIsQiVDWLpN/zXgX7ARxTpjWOq01ep o78wgmEdJeSOeUzx2sue5h5OCLw96cXKjrX/X+tamQtbQQvkDqObtxlza4z6Grof8KDj yicrVMjxhAZichAyorxV5P+HGw7bGg4v2KPqfuUlYsKPk+bxLci5fWDvoDXVqV6xz0gu nkBA== X-Gm-Message-State: AA+aEWZWJp53kdSnrm75d+WU2y2ibO5F8xJGgq99sTSQAhfHRc36gBxD FOIDa7vIjyF3VmrKSwBT594qO+wv1xftbg== X-Google-Smtp-Source: AFSGD/VuSZthgwX2wrvTGXm/0kDczO1kwcu5FDja8tJwBj2TwQKty8xNxgLMv555aGzbABGwOzEehA== X-Received: by 2002:a63:e055:: with SMTP id n21mr657759pgj.397.1542692407411; Mon, 19 Nov 2018 21:40:07 -0800 (PST) Received: from maindev.thefacebook.com ([199.201.64.4]) by smtp.gmail.com with ESMTPSA id n186sm6248388pfn.137.2018.11.19.21.40.05 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 19 Nov 2018 21:40:06 -0800 (PST) From: "Nikita V. Shirokov" To: Alexei Starovoitov , Daniel Borkmann , Jakub Kicinski , Y Song Cc: netdev@vger.kernel.org, "Nikita V. Shirokov" Subject: [PATCH v2 bpf-next 0/2] bpf: adding support for mapinmap in libbpf Date: Mon, 19 Nov 2018 21:16:16 -0800 Message-Id: <20181120051618.3189-1-tehnerd@tehnerd.com> X-Mailer: git-send-email 2.15.1 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org in this patch series i'm adding a helper for libbpf which would allow it to load map-in-map(BPF_MAP_TYPE_ARRAY_OF_MAPS and BPF_MAP_TYPE_HASH_OF_MAPS). first patch contains new helper + explains proposed workflow second patch contains tests which also could be used as example of usage v1->v2: - addressing nits - removing const identifier from fd in new helper - starting to check return val for bpf_map_update_elem Nikita V. Shirokov (2): bpf: adding support for map in map in libbpf bpf: adding tests for mapinmap helpber in libbpf tools/lib/bpf/libbpf.c | 7 +++ tools/lib/bpf/libbpf.h | 2 + tools/testing/selftests/bpf/Makefile | 3 +- tools/testing/selftests/bpf/test_mapinmap.c | 49 +++++++++++++++++ tools/testing/selftests/bpf/test_maps.c | 82 +++++++++++++++++++++++++++++ 5 files changed, 142 insertions(+), 1 deletion(-) create mode 100644 tools/testing/selftests/bpf/test_mapinmap.c Acked-by: Yonghong Song