From patchwork Mon Feb 11 08:55:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vlad Buslov X-Patchwork-Id: 1039708 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=mellanox.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43yfmY1NV3z9s3l for ; Mon, 11 Feb 2019 19:57:01 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727165AbfBKI4h (ORCPT ); Mon, 11 Feb 2019 03:56:37 -0500 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:60123 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727024AbfBKI4g (ORCPT ); Mon, 11 Feb 2019 03:56:36 -0500 Received: from Internal Mail-Server by MTLPINE1 (envelope-from vladbu@mellanox.com) with ESMTPS (AES256-SHA encrypted); 11 Feb 2019 10:56:33 +0200 Received: from reg-r-vrt-018-180.mtr.labs.mlnx. (reg-r-vrt-018-180.mtr.labs.mlnx [10.213.18.180]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id x1B8uVBj020653; Mon, 11 Feb 2019 10:56:33 +0200 From: Vlad Buslov To: netdev@vger.kernel.org Cc: jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, davem@davemloft.net, ast@kernel.org, daniel@iogearbox.net, Vlad Buslov Subject: [PATCH net-next v4 15/17] net: sched: add flags to Qdisc class ops struct Date: Mon, 11 Feb 2019 10:55:46 +0200 Message-Id: <20190211085548.7190-16-vladbu@mellanox.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20190211085548.7190-1-vladbu@mellanox.com> References: <20190211085548.7190-1-vladbu@mellanox.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Extend Qdisc_class_ops with flags. Create enum to hold possible class ops flag values. Add first class ops flags value QDISC_CLASS_OPS_DOIT_UNLOCKED to indicate that class ops functions can be called without taking rtnl lock. Signed-off-by: Vlad Buslov Acked-by: Jiri Pirko --- include/net/sch_generic.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 365801c2a4f5..e50b729f8691 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -179,6 +179,7 @@ static inline int qdisc_avail_bulklimit(const struct netdev_queue *txq) } struct Qdisc_class_ops { + unsigned int flags; /* Child qdisc manipulation */ struct netdev_queue * (*select_queue)(struct Qdisc *, struct tcmsg *); int (*graft)(struct Qdisc *, unsigned long cl, @@ -210,6 +211,13 @@ struct Qdisc_class_ops { struct gnet_dump *); }; +/* Qdisc_class_ops flag values */ + +/* Implements API that doesn't require rtnl lock */ +enum qdisc_class_ops_flags { + QDISC_CLASS_OPS_DOIT_UNLOCKED = 1, +}; + struct Qdisc_ops { struct Qdisc_ops *next; const struct Qdisc_class_ops *cl_ops;