From patchwork Fri May 29 22:07:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: David Ahern X-Patchwork-Id: 218162 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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT 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 F2E5FC433E0 for ; Fri, 29 May 2020 22:07:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BCA0B20810 for ; Fri, 29 May 2020 22:07:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590790049; bh=NRSxoonEiKux5btUadBlirn2tMHc5SDdubB2iTbrkqE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=d9SXmHn+nCF8UzYowM4kCEkX8I6UfpxpfouF/5SFpNtWrBzQGqmis9DrAhpbuk6/g Y4rXULAJbfeQITOQilkHTd3NJoBVkW9j64Hz67oOjm1oJrRvjiUSkI1kbm07svIniN G6A09kIz3nz3jsViQ6CSv+9ElXGseFkhB3GSv7Tc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728427AbgE2WH3 (ORCPT ); Fri, 29 May 2020 18:07:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:51198 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728315AbgE2WHZ (ORCPT ); Fri, 29 May 2020 18:07:25 -0400 Received: from C02YQ0RWLVCF.internal.digitalocean.com (c-73-181-34-237.hsd1.co.comcast.net [73.181.34.237]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C9EA7208B8; Fri, 29 May 2020 22:07:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590790045; bh=NRSxoonEiKux5btUadBlirn2tMHc5SDdubB2iTbrkqE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CUIoUs3XK3EAOOBB6/fjGRUeboMVkTba44dCGobXWwuVT71DOA5E5BdHk/yHYk6qu kNy1ufbaP+E1CvVtVvoDE3vazb7ljDaSjZf2X6s/TCaGgJu3DnpexlAHCYbouro7hC g72ygDMcK/kMp6es9aQJSsvhkRvnb1bmwi/Hzibk= From: David Ahern To: netdev@vger.kernel.org Cc: bpf@vger.kernel.org, davem@davemloft.net, kuba@kernel.org, brouer@redhat.com, toke@redhat.com, lorenzo@kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, ast@kernel.org, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, andriin@fb.com, dsahern@gmail.com, David Ahern Subject: [PATCH v4 bpf-next 4/5] libbpf: Add SEC name for xdp programs attached to device map Date: Fri, 29 May 2020 16:07:15 -0600 Message-Id: <20200529220716.75383-5-dsahern@kernel.org> X-Mailer: git-send-email 2.21.1 (Apple Git-122.3) In-Reply-To: <20200529220716.75383-1-dsahern@kernel.org> References: <20200529220716.75383-1-dsahern@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Support SEC("xdp_devmap*") as a short cut for loading the program with type BPF_PROG_TYPE_XDP and expected attach type BPF_XDP_DEVMAP. Signed-off-by: David Ahern Acked-by: Toke Høiland-Jørgensen --- tools/lib/bpf/libbpf.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 74d967619dcf..85d4f1c5fc52 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -6657,6 +6657,8 @@ static const struct bpf_sec_def section_defs[] = { .expected_attach_type = BPF_TRACE_ITER, .is_attach_btf = true, .attach_fn = attach_iter), + BPF_EAPROG_SEC("xdp_devmap", BPF_PROG_TYPE_XDP, + BPF_XDP_DEVMAP), BPF_PROG_SEC("xdp", BPF_PROG_TYPE_XDP), BPF_PROG_SEC("perf_event", BPF_PROG_TYPE_PERF_EVENT), BPF_PROG_SEC("lwt_in", BPF_PROG_TYPE_LWT_IN),