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=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 9F7D5C433DF for ; Wed, 27 May 2020 01:09:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6D4DD20C56 for ; Wed, 27 May 2020 01:09:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590541749; bh=6z94pBXfnVDft5De4N6GBoBH7z+U2X4UTVLYVD5IUgw=; h=From:To:Cc:Subject:Date:List-ID:From; b=0zXlapypEiv4+YCNiSebS7i3xaeScszb421StbRplquSOKkxx+x543ZMmiQrfzhpa UhvEYal/nAXPTEYyeM4zW26fgWSbWhZydXBu+8+ae1HhxiWfk/78efQkvb3sjAB8xJ MmCbAVuBeJzdzrpEADeje/2kyBljWKoYjIp5lzT0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728136AbgE0BJI (ORCPT ); Tue, 26 May 2020 21:09:08 -0400 Received: from mail.kernel.org ([198.145.29.99]:35240 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727852AbgE0BJI (ORCPT ); Tue, 26 May 2020 21:09:08 -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 264CC207CB; Wed, 27 May 2020 01:09:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590541747; bh=6z94pBXfnVDft5De4N6GBoBH7z+U2X4UTVLYVD5IUgw=; h=From:To:Cc:Subject:Date:From; b=PKDZAJuGj6mRl+Wl65pYgtTiUmALdqsR/gfsi0vlGS5axZVo8qfWiHq/O79sd1iMF 4GB4EcKHRDoqgDLw+tRMsKVF+WUrCw1Ri4pDXyYcQnwDi/p1RyB4TQUQpj8ln2/mtl 3ilSswxW5ralEFSBQPsWWsIwm9/tG7HLIIuuVTQc= From: David Ahern To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, brouer@redhat.com, toke@redhat.com, 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 bpf-next 0/5] bpf: Add support for XDP programs in DEVMAP entries Date: Tue, 26 May 2020 19:09:00 -0600 Message-Id: <20200527010905.48135-1-dsahern@kernel.org> X-Mailer: git-send-email 2.21.1 (Apple Git-122.3) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Implementation of Daniel's proposal for allowing DEVMAP entries to be a device index, program fd pair. Programs are run after XDP_REDIRECT and have access to both Rx device and Tx device. v1 - fixed prog put on invalid program - Toke - changed write value from id to fd per Toke's comments about capabilities - add test cases David Ahern (5): bpf: Handle 8-byte values in DEVMAP and DEVMAP_HASH bpf: Add support to attach bpf program to a devmap entry xdp: Add xdp_txq_info to xdp_buff bpftool: Add SEC name for xdp programs attached to device map selftest: Add tests for XDP programs in devmap entries include/linux/bpf.h | 5 + include/net/xdp.h | 5 + include/uapi/linux/bpf.h | 3 + kernel/bpf/devmap.c | 143 +++++++++++++++--- net/core/dev.c | 18 +++ net/core/filter.c | 17 +++ tools/include/uapi/linux/bpf.h | 3 + tools/lib/bpf/libbpf.c | 2 + .../bpf/prog_tests/xdp_devmap_attach.c | 101 +++++++++++++ .../selftests/bpf/progs/test_xdp_devmap.c | 19 +++ .../bpf/progs/test_xdp_with_devmap.c | 17 +++ 11 files changed, 315 insertions(+), 18 deletions(-) create mode 100644 tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c create mode 100644 tools/testing/selftests/bpf/progs/test_xdp_devmap.c create mode 100644 tools/testing/selftests/bpf/progs/test_xdp_with_devmap.c -- 2.21.1 (Apple Git-122.3)