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=-3.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 4CA34CA9EC0 for ; Mon, 28 Oct 2019 13:06:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1D30920717 for ; Mon, 28 Oct 2019 13:06:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="LiZZ3TX6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388566AbfJ1NGl (ORCPT ); Mon, 28 Oct 2019 09:06:41 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:36502 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726623AbfJ1NGl (ORCPT ); Mon, 28 Oct 2019 09:06:41 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1572267999; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=oGrbVCBkV20SbSjbFrHblua1QCyKVnk3uyHwY5NqyHU=; b=LiZZ3TX6MGFmiSqbpvNQmHHwUdm1wb4yBSIOIBQZvG5+5wqzr2hI81mhiMepATbrk4Ae2N NGNTm3LGCJtBvs6qpR1yC2IO83mx8d/w/nJzTkb0T+cursTDh0x3iRqeMOOSao1YxwzmoE QiEsWNapXhrfEhRZrUz9xPJMozs+dDA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-250-PfJS1Z2XPKe_I-NAOzpRgw-1; Mon, 28 Oct 2019 09:06:36 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9A61A1005509; Mon, 28 Oct 2019 13:06:34 +0000 (UTC) Received: from carbon (ovpn-200-19.brq.redhat.com [10.40.200.19]) by smtp.corp.redhat.com (Postfix) with ESMTP id C905B1C95A; Mon, 28 Oct 2019 13:06:26 +0000 (UTC) Date: Mon, 28 Oct 2019 14:06:24 +0100 From: Jesper Dangaard Brouer To: Toke =?UTF-8?B?SMO4aWxhbmQtSsO4cmdlbnNlbg==?= Cc: Daniel Borkmann , Alexei Starovoitov , Martin KaFai Lau , Song Liu , Yonghong Song , Andrii Nakryiko , David Miller , netdev@vger.kernel.org, bpf@vger.kernel.org, brouer@redhat.com Subject: Re: [PATCH bpf-next v3 4/4] selftests: Add tests for automatic map pinning Message-ID: <20191028140624.584bcc1e@carbon> In-Reply-To: <157220959980.48922.12100884213362040360.stgit@toke.dk> References: <157220959547.48922.6623938299823744715.stgit@toke.dk> <157220959980.48922.12100884213362040360.stgit@toke.dk> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-MC-Unique: PfJS1Z2XPKe_I-NAOzpRgw-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Sun, 27 Oct 2019 21:53:19 +0100 Toke H=C3=B8iland-J=C3=B8rgensen wrote: > diff --git a/tools/testing/selftests/bpf/progs/test_pinning.c b/tools/tes= ting/selftests/bpf/progs/test_pinning.c > new file mode 100644 > index 000000000000..ff2d7447777e > --- /dev/null > +++ b/tools/testing/selftests/bpf/progs/test_pinning.c > @@ -0,0 +1,29 @@ > +// SPDX-License-Identifier: GPL-2.0 > + > +#include > +#include "bpf_helpers.h" > + > +int _version SEC("version") =3D 1; > + > +struct { > +=09__uint(type, BPF_MAP_TYPE_ARRAY); > +=09__uint(max_entries, 1); > +=09__type(key, __u32); > +=09__type(value, __u64); > +=09__uint(pinning, LIBBPF_PIN_BY_NAME); > +} pinmap SEC(".maps"); So, this is the new BTF-defined maps syntax. Please remind me, what version of LLVM do we need to compile this? Or was there a dependency on pahole? > +struct { > +=09__uint(type, BPF_MAP_TYPE_ARRAY); > +=09__uint(max_entries, 1); > +=09__type(key, __u32); > +=09__type(value, __u64); > +} nopinmap SEC(".maps"); > + > +SEC("xdp_prog") > +int _xdp_prog(struct xdp_md *xdp) > +{ > +=09return XDP_PASS; > +} > + > +char _license[] SEC("license") =3D "GPL"; >=20 --=20 Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat LinkedIn: http://www.linkedin.com/in/brouer