From patchwork Wed Oct 16 12:40:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pablo Neira Ayuso X-Patchwork-Id: 1177864 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netfilter-devel-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=netfilter.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46tX2f5NHtz9sPT for ; Wed, 16 Oct 2019 23:40:42 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393158AbfJPMkl (ORCPT ); Wed, 16 Oct 2019 08:40:41 -0400 Received: from correo.us.es ([193.147.175.20]:55114 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391329AbfJPMkl (ORCPT ); Wed, 16 Oct 2019 08:40:41 -0400 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id 369041BFA84 for ; Wed, 16 Oct 2019 14:40:37 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 2869A123946 for ; Wed, 16 Oct 2019 14:40:37 +0200 (CEST) Received: by antivirus1-rhel7.int (Postfix, from userid 99) id 1DF63123944; Wed, 16 Oct 2019 14:40:37 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on antivirus1-rhel7.int X-Spam-Level: X-Spam-Status: No, score=-108.2 required=7.5 tests=ALL_TRUSTED,BAYES_50, SMTPAUTH_US2,USER_IN_WHITELIST autolearn=disabled version=3.4.1 Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 3E477DA72F for ; Wed, 16 Oct 2019 14:40:35 +0200 (CEST) Received: from 192.168.1.97 (192.168.1.97) by antivirus1-rhel7.int (F-Secure/fsigk_smtp/550/antivirus1-rhel7.int); Wed, 16 Oct 2019 14:40:35 +0200 (CEST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/antivirus1-rhel7.int) Received: from salvia.here (sys.soleta.eu [212.170.55.40]) (Authenticated sender: pneira@us.es) by entrada.int (Postfix) with ESMTPA id 290EE42EE393 for ; Wed, 16 Oct 2019 14:40:35 +0200 (CEST) X-SMTPAUTHUS: auth mail.us.es From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Subject: [PATCH nf-next 0/5] Hook multiple netdevices to basechain Date: Wed, 16 Oct 2019 14:40:29 +0200 Message-Id: <20191016124034.9847-1-pablo@netfilter.org> X-Mailer: git-send-email 2.11.0 X-Virus-Scanned: ClamAV using ClamSMTP Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org Hi, This patchset extends the netdev family to allow for hooking multiple devices to basechains, eg. nft add table netdev x nft add chain netdev x y { \ type filter hook ingress devices = { eth0, eth1 } priority 0\; } Hence you can apply the same policy to packet coming in from eth0 and eth1 netdevices. 1) Add nft_flow_block_chain() helper function. 2) Pass callback list to nft_setup_cb_call(). 3) Add nft_flow_cls_offload_setup() helper function. 4) Iterate over list of callbacks that belongs to the netdevices that is being unregister to remove the rules from the netdevice. This patches comes in preparation for: 5) Allow for hooking multiple devices to the same netdev basechain. Pablo Neira Ayuso (5): netfilter: nf_tables_offload: add nft_flow_block_chain() netfilter: nf_tables_offload: Pass callback list to nft_setup_cb_call() netfilter: nf_tables_offload: add nft_flow_cls_offload_setup() netfilter: nf_tables_offload: remove rules on unregistered device only netfilter: nf_tables: support for multiple devices per netdev hook include/net/netfilter/nf_tables.h | 4 +- include/uapi/linux/netfilter/nf_tables.h | 2 + net/netfilter/nf_tables_api.c | 296 ++++++++++++++++++++++++------- net/netfilter/nf_tables_offload.c | 98 ++++++---- net/netfilter/nft_chain_filter.c | 45 +++-- 5 files changed, 325 insertions(+), 120 deletions(-)