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_HELO_NONE,SPF_PASS, 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 F0004C04AB6 for ; Tue, 28 May 2019 17:53:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D990C2081C for ; Tue, 28 May 2019 17:53:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727578AbfE1RxD (ORCPT ); Tue, 28 May 2019 13:53:03 -0400 Received: from mga03.intel.com ([134.134.136.65]:39629 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727482AbfE1RxC (ORCPT ); Tue, 28 May 2019 13:53:02 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 May 2019 10:53:01 -0700 X-ExtLoop1: 1 Received: from vpatel-desk.jf.intel.com (HELO localhost.localdomain) ([10.7.159.52]) by orsmga007.jf.intel.com with ESMTP; 28 May 2019 10:53:01 -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 Subject: [PATCH iproute2 net-next v1 3/6] taprio: Add support for enabling offload mode Date: Tue, 28 May 2019 10:52:51 -0700 Message-Id: <1559065974-28521-3-git-send-email-vedang.patel@intel.com> X-Mailer: git-send-email 2.7.3 In-Reply-To: <1559065974-28521-1-git-send-email-vedang.patel@intel.com> References: <1559065974-28521-1-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 to be passed to taprio, "offload", accepting a hexadecimal number which selects the offloading flags thats should be enabled. Signed-off-by: Vinicius Costa Gomes --- tc/q_taprio.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/tc/q_taprio.c b/tc/q_taprio.c index 62c8c591..69e52ff5 100644 --- a/tc/q_taprio.c +++ b/tc/q_taprio.c @@ -154,6 +154,7 @@ static struct sched_entry *create_entry(uint32_t gatemask, uint32_t interval, ui static int taprio_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n, const char *dev) { + __u32 offload_flags = UINT32_MAX; __s32 clockid = CLOCKID_INVALID; struct tc_mqprio_qopt opt = { }; __s64 cycle_time_extension = 0; @@ -281,6 +282,17 @@ static int taprio_parse_opt(struct qdisc_util *qu, int argc, explain_clockid(*argv); return -1; } + } else if (strcmp(*argv, "offload") == 0) { + NEXT_ARG(); + if (offload_flags != UINT32_MAX) { + fprintf(stderr, "taprio: duplicate \"offload\" specification\n"); + return -1; + } + if (get_u32(&offload_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 (offload_flags != UINT32_MAX) + addattr_l(n, 1024, TCA_TAPRIO_ATTR_OFFLOAD_FLAGS, &offload_flags, sizeof(offload_flags)); + if (opt.num_tc > 0) addattr_l(n, 1024, TCA_TAPRIO_ATTR_PRIOMAP, &opt, sizeof(opt)); @@ -405,6 +420,7 @@ static int taprio_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) struct rtattr *tb[TCA_TAPRIO_ATTR_MAX + 1]; struct tc_mqprio_qopt *qopt = 0; __s32 clockid = CLOCKID_INVALID; + __u32 offload_flags = 0; int i; if (opt == NULL) @@ -442,6 +458,11 @@ 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_OFFLOAD_FLAGS]) + offload_flags = rta_getattr_u32(tb[TCA_TAPRIO_ATTR_OFFLOAD_FLAGS]); + + print_uint(PRINT_ANY, "offload", " offload %x", offload_flags); + print_schedule(f, tb); if (tb[TCA_TAPRIO_ATTR_ADMIN_SCHED]) { -- 2.17.0