From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f54.google.com (mail-pa0-f54.google.com [209.85.220.54]) by dpdk.org (Postfix) with ESMTP id EFC105A79 for ; Thu, 16 Jul 2015 23:34:29 +0200 (CEST) Received: by pactm7 with SMTP id tm7so49298412pac.2 for ; Thu, 16 Jul 2015 14:34:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=HTBBNd24ibHvAINkTP/ZFmaTgAPnMrSk231TdAJcXoc=; b=WaG2rBCrea0Wjd6qNrP3/OYsColyJYKWbgZd+JAMd3W+75OY+R61neFAj8fnmi5Qi+ xUpWu2g5nGgyHZcsfYlLviqQlpGdLFmquC88BWpVRi8eL9ENaznfftz5bIA7OeZiNstH PgfoOkF2GQ8mnJTocBtF7QcvnslyIKKiCtRksqLvWrjKQyuTHB1qLv+E1fmnZkjzcWYC TePUZgsG3ZHPc1K5iEhay/IAr7asnLqcO0O0nVJw7UOHT/uWPcGWlEMOwx0eYWC+W5gR gjvTZI6hkEy3PFauFPxp9BqM7BSrSrInnyc3zkG0g1UeIlr7a7M25YIXI4VviIIP8+74 cHqw== X-Gm-Message-State: ALoCoQn0lP+mjsn2hiEl/BSBhAQaTVju11ztotRktZvzF9MCMKundO8lXetQyZc76NCONiUDxGJt X-Received: by 10.70.35.16 with SMTP id d16mr22934546pdj.66.1437082469193; Thu, 16 Jul 2015 14:34:29 -0700 (PDT) Received: from urahara.home.lan (static-50-53-82-155.bvtn.or.frontiernet.net. [50.53.82.155]) by smtp.gmail.com with ESMTPSA id xz1sm8922081pbc.52.2015.07.16.14.34.27 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 16 Jul 2015 14:34:28 -0700 (PDT) From: Stephen Hemminger To: Cristian Dumitrescu Date: Thu, 16 Jul 2015 14:34:32 -0700 Message-Id: <1437082475-3241-2-git-send-email-stephen@networkplumber.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1437082475-3241-1-git-send-email-stephen@networkplumber.org> References: <1437082475-3241-1-git-send-email-stephen@networkplumber.org> Cc: dev@dpdk.org Subject: [dpdk-dev] [PATCH v5 1/4] rte_sched: make RED optional at runtime X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Jul 2015 21:34:30 -0000 Want to be able to build with RTE_SCHED_RED enabled but allow disabling RED on a per-queue basis at runtime. RED is disabled unless min/max thresholds set. Signed-off-by: Stephen Hemmminger --- lib/librte_sched/rte_sched.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/lib/librte_sched/rte_sched.c b/lib/librte_sched/rte_sched.c index 95dee27..6928c98 100644 --- a/lib/librte_sched/rte_sched.c +++ b/lib/librte_sched/rte_sched.c @@ -636,6 +636,12 @@ rte_sched_port_config(struct rte_sched_port_params *params) uint32_t j; for (j = 0; j < e_RTE_METER_COLORS; j++) { + /* if min/max are both zero, then RED is disabled */ + if ((params->red_params[i][j].min_th | + params->red_params[i][j].max_th) == 0) { + continue; + } + if (rte_red_config_init(&port->red_config[i][j], params->red_params[i][j].wq_log2, params->red_params[i][j].min_th, @@ -1069,6 +1075,9 @@ rte_sched_port_red_drop(struct rte_sched_port *port, struct rte_mbuf *pkt, uint3 color = rte_sched_port_pkt_read_color(pkt); red_cfg = &port->red_config[tc_index][color]; + if ( (red_cfg->min_th | red_cfg->max_th) == 0) + return 0; + qe = port->queue_extra + qindex; red = &qe->red; -- 2.1.4