From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vlad Buslov Subject: [PATCH net-next 15/17] net: sched: add flags to Qdisc class ops struct Date: Mon, 12 Nov 2018 09:55:44 +0200 Message-ID: <1542009346-23780-16-git-send-email-vladbu@mellanox.com> References: <1542009346-23780-1-git-send-email-vladbu@mellanox.com> Cc: jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, davem@davemloft.net, ast@kernel.org, daniel@iogearbox.net, Vlad Buslov To: netdev@vger.kernel.org Return-path: Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:54989 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728381AbeKLRsA (ORCPT ); Mon, 12 Nov 2018 12:48:00 -0500 In-Reply-To: <1542009346-23780-1-git-send-email-vladbu@mellanox.com> Sender: netdev-owner@vger.kernel.org List-ID: 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 7b158d6fae85..c97300f5ea5c 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -175,6 +175,7 @@ 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, @@ -206,6 +207,13 @@ 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; -- 2.7.5