From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f173.google.com (mail-pd0-f173.google.com [209.85.192.173]) by dpdk.org (Postfix) with ESMTP id 09B034A63 for ; Wed, 27 May 2015 20:10:18 +0200 (CEST) Received: by pdbki1 with SMTP id ki1so22613337pdb.1 for ; Wed, 27 May 2015 11:10:17 -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=aAQJn4I2QDno/H8c0Va8SmPANwJih5KubtH08mVAMpM=; b=WVo90HFzoafMofz7vlJ7iV9I/SMTKc8HQbJ9PEEEoKg2QaK6P/56x0bi79r2LlQW30 A3dE2GmmCtb4almkFNXupdJ/C7w0bou7SU14eU27pdNN5T4+oNoCQ50U78mfXa8bhd3j 84TG8XkQhJ5HcUtWgK4+Dvp0TEJaqPtC1y35G58FnNvGK7Qd3vAVEIMd414Z8F/zncxf apckJmnmE5/cLDu9bACT5kWZ4lIamyCnmn1EnVrbTcovfyLZ2C3qTE710WC2XhF+6gl/ yt6JLtteGLBZyNECBjVwpf9e8kapKUyUHYmWCIBKzPMcYBWPN5eRk+473LA4RiV9iGBF dlfA== X-Gm-Message-State: ALoCoQnwEzZA5R/oALk90Lnsrym67/EA+yehiRF6QrqdEuggFW/WQR+kMYPleOLlelNwvnVhieRN X-Received: by 10.68.201.168 with SMTP id kb8mr44419817pbc.50.1432750217248; Wed, 27 May 2015 11:10:17 -0700 (PDT) Received: from urahara.home.lan (static-50-53-82-155.bvtn.or.frontiernet.net. [50.53.82.155]) by mx.google.com with ESMTPSA id db1sm3008254pdb.50.2015.05.27.11.10.16 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 27 May 2015 11:10:16 -0700 (PDT) From: Stephen Hemminger To: cristian.dumitrescu@intel.com Date: Wed, 27 May 2015 11:10:13 -0700 Message-Id: <1432750217-4186-2-git-send-email-stephen@networkplumber.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1432750217-4186-1-git-send-email-stephen@networkplumber.org> References: <1432750217-4186-1-git-send-email-stephen@networkplumber.org> Cc: dev@dpdk.org, Stephen Hemminger Subject: [dpdk-dev] [PATCH 1/5] 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: Wed, 27 May 2015 18:10:18 -0000 From: Stephen Hemminger 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..3b5acd1 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