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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7BB93C43217 for ; Mon, 24 Jan 2022 17:20:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244274AbiAXRUb (ORCPT ); Mon, 24 Jan 2022 12:20:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49550 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244373AbiAXRUa (ORCPT ); Mon, 24 Jan 2022 12:20:30 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3A350C06173B; Mon, 24 Jan 2022 09:20:29 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 0231FB8119D; Mon, 24 Jan 2022 17:20:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 02849C340E5; Mon, 24 Jan 2022 17:20:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1643044826; bh=3hY5cykoSrCG6faw9+cAQvoqX65QcDMJEdibm+FY190=; h=From:To:Cc:Subject:Date:From; b=NoXURqnP2oyFVry6TlJVY6Xg/7TzaHsvLv7AA9JDf1vPZ1zjXgDINPKqyPrdoZo2n vY8IDw0BPqeTMGdeKzR1xu8IUwLj73htpMyXXkrsh2Xwr03XdAaE1lXvkInaO0ipnx nOfD2dwSGUFmxshsWlLMUeoH3KKy5eUnCetWCTd9RYksZBmwIjMshQqDx68Tz3KMlh eqjG4y/p7W2sLc36RV1rwlfaht9JlRYEVz84eofSJnNx8SZeq9DcKyUHVB7SSg8CFp OyaHFeERLPqGY+ClsVNDdlPkLFOyaVFMq6WG8TRbN0ikLyDCtZBMw3Ldlj3Exb5P2t 3bY6eCLY34cJg== From: Lorenzo Bianconi To: bpf@vger.kernel.org, netdev@vger.kernel.org Cc: lorenzo.bianconi@redhat.com, davem@davemloft.net, kuba@kernel.org, ast@kernel.org, daniel@iogearbox.net, dsahern@kernel.org, komachi.yoshiki@gmail.com, brouer@redhat.com, toke@redhat.com, memxor@gmail.com, andrii.nakryiko@gmail.com Subject: [RFC bpf-next 0/2] introduce bpf fdb lookup helper for xdp Date: Mon, 24 Jan 2022 18:20:14 +0100 Message-Id: X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Similar to bpf_xdp_ct_lookup routine, introduce br_fdb_find_port_from_ifindex unstable helper in order to accelerate linux bridge with XDP. br_fdb_find_port_from_ifindex will perform a lookup in the associated bridge fdb table and it will return the output ifindex if the destination address is associated to a bridge port or -ENODEV for BOM traffic or if lookup fails. Lorenzo Bianconi (2): net: bridge: add unstable br_fdb_find_port_from_ifindex helper samples: bpf: add xdp fdb lookup program net/bridge/br.c | 21 +++++ net/bridge/br_fdb.c | 67 +++++++++++++--- net/bridge/br_private.h | 12 +++ samples/bpf/Makefile | 9 ++- samples/bpf/xdp_fdb.bpf.c | 68 +++++++++++++++++ samples/bpf/xdp_fdb_user.c | 152 +++++++++++++++++++++++++++++++++++++ 6 files changed, 319 insertions(+), 10 deletions(-) create mode 100644 samples/bpf/xdp_fdb.bpf.c create mode 100644 samples/bpf/xdp_fdb_user.c -- 2.34.1