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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,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 55BF7C282C4 for ; Mon, 4 Feb 2019 12:34:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 266802082F for ; Mon, 4 Feb 2019 12:34:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730715AbfBDMd7 (ORCPT ); Mon, 4 Feb 2019 07:33:59 -0500 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:57363 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730665AbfBDMdx (ORCPT ); Mon, 4 Feb 2019 07:33:53 -0500 Received: from Internal Mail-Server by MTLPINE1 (envelope-from vladbu@mellanox.com) with ESMTPS (AES256-SHA encrypted); 4 Feb 2019 14:33:33 +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 x14CXVGS032317; Mon, 4 Feb 2019 14:33:33 +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 v3 14/16] net: sched: add flags to Qdisc class ops struct Date: Mon, 4 Feb 2019 14:32:59 +0200 Message-Id: <20190204123301.4223-15-vladbu@mellanox.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20190204123301.4223-1-vladbu@mellanox.com> References: <20190204123301.4223-1-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 --- 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; -- 2.13.6