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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 A35F8C76192 for ; Tue, 16 Jul 2019 19:53:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 89BFC20693 for ; Tue, 16 Jul 2019 19:53:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388722AbfGPTxX (ORCPT ); Tue, 16 Jul 2019 15:53:23 -0400 Received: from mga07.intel.com ([134.134.136.100]:53334 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388662AbfGPTxR (ORCPT ); Tue, 16 Jul 2019 15:53:17 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Jul 2019 12:53:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,271,1559545200"; d="scan'208";a="342818276" Received: from vpatel-desk.jf.intel.com (HELO localhost.localdomain) ([10.7.159.52]) by orsmga005.jf.intel.com with ESMTP; 16 Jul 2019 12:53:17 -0700 From: Vedang Patel To: netdev@vger.kernel.org Cc: jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, stephen@networkplumber.org, vinicius.gomes@intel.com, leandro.maciel.dorileo@intel.com, jakub.kicinski@netronome.com, m-karicheri2@ti.com, dsahern@gmail.com, Vedang Patel Subject: [PATCH iproute2 net-next v4 3/6] taprio: Add support for setting flags Date: Tue, 16 Jul 2019 12:53:06 -0700 Message-Id: <1563306789-2908-3-git-send-email-vedang.patel@intel.com> X-Mailer: git-send-email 2.7.3 In-Reply-To: <1563306789-2908-1-git-send-email-vedang.patel@intel.com> References: <1563306789-2908-1-git-send-email-vedang.patel@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Vinicius Costa Gomes This allows a new parameter, flags, to be passed to taprio. Currently, it only supports enabling the txtime-assist mode. But, we plan to add different modes for taprio (e.g. hardware offloading) and this parameter will be useful in enabling those modes. Signed-off-by: Vinicius Costa Gomes Signed-off-by: Vedang Patel --- tc/q_taprio.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/tc/q_taprio.c b/tc/q_taprio.c index 62c8c591da99..1db2aba6efe7 100644 --- a/tc/q_taprio.c +++ b/tc/q_taprio.c @@ -159,6 +159,7 @@ static int taprio_parse_opt(struct qdisc_util *qu, int argc, __s64 cycle_time_extension = 0; struct list_head sched_entries; struct rtattr *tail, *l; + __u32 taprio_flags = 0; __s64 cycle_time = 0; __s64 base_time = 0; int err, idx; @@ -281,6 +282,17 @@ static int taprio_parse_opt(struct qdisc_util *qu, int argc, explain_clockid(*argv); return -1; } + } else if (strcmp(*argv, "flags") == 0) { + NEXT_ARG(); + if (taprio_flags) { + fprintf(stderr, "taprio: duplicate \"flags\" specification\n"); + return -1; + } + if (get_u32(&taprio_flags, *argv, 0)) { + PREV_ARG(); + return -1; + } + } else if (strcmp(*argv, "help") == 0) { explain(); return -1; @@ -297,6 +309,9 @@ static int taprio_parse_opt(struct qdisc_util *qu, int argc, if (clockid != CLOCKID_INVALID) addattr_l(n, 1024, TCA_TAPRIO_ATTR_SCHED_CLOCKID, &clockid, sizeof(clockid)); + if (taprio_flags) + addattr_l(n, 1024, TCA_TAPRIO_ATTR_FLAGS, &taprio_flags, sizeof(taprio_flags)); + if (opt.num_tc > 0) addattr_l(n, 1024, TCA_TAPRIO_ATTR_PRIOMAP, &opt, sizeof(opt)); @@ -442,6 +457,13 @@ static int taprio_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) print_string(PRINT_ANY, "clockid", "clockid %s", get_clock_name(clockid)); + if (tb[TCA_TAPRIO_ATTR_FLAGS]) { + __u32 flags; + + flags = rta_getattr_u32(tb[TCA_TAPRIO_ATTR_FLAGS]); + print_0xhex(PRINT_ANY, "flags", " flags %#x", flags); + } + print_schedule(f, tb); if (tb[TCA_TAPRIO_ATTR_ADMIN_SCHED]) { -- 2.7.3