From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id CFBE0A046B for ; Tue, 25 Jun 2019 17:32:14 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 0BBC71BA30; Tue, 25 Jun 2019 17:32:06 +0200 (CEST) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id DE88A1B9F4 for ; Tue, 25 Jun 2019 17:32:01 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Jun 2019 08:32:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,416,1557212400"; d="scan'208";a="166711370" Received: from silpixa00381635.ir.intel.com (HELO silpixa00381635.ger.corp.intel.com) ([10.237.223.4]) by orsmga006.jf.intel.com with ESMTP; 25 Jun 2019 08:31:59 -0700 From: Jasvinder Singh To: dev@dpdk.org Cc: cristian.dumitrescu@intel.com, Abraham Tovar , Lukasz Krakowiak Date: Tue, 25 Jun 2019 16:31:50 +0100 Message-Id: <20190625153217.24301-2-jasvinder.singh@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190625153217.24301-1-jasvinder.singh@intel.com> References: <20190528120553.2992-2-lukaszx.krakowiak@intel.com> <20190625153217.24301-1-jasvinder.singh@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v2 01/28] sched: update macros for flexible config X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Update macros to allow configuration flexiblity for pipe traffic classes and queues, and subport level configuration of the pipe parameters. Signed-off-by: Jasvinder Singh Signed-off-by: Abraham Tovar Signed-off-by: Lukasz Krakowiak --- lib/librte_sched/rte_sched.h | 36 +++++++++++++++++++++++++----------- 1 file changed, 25 insertions(+), 11 deletions(-) diff --git a/lib/librte_sched/rte_sched.h b/lib/librte_sched/rte_sched.h index 9c55a787d..470a0036a 100644 --- a/lib/librte_sched/rte_sched.h +++ b/lib/librte_sched/rte_sched.h @@ -52,7 +52,7 @@ extern "C" { * multiple connections of same traffic class belonging to * the same user; * - Weighted Round Robin (WRR) is used to service the - * queues within same pipe traffic class. + * queues within same pipe lowest priority traffic class (best-effort). * */ @@ -66,20 +66,32 @@ extern "C" { #include "rte_red.h" #endif -/** Number of traffic classes per pipe (as well as subport). - * Cannot be changed. +/** Maximum number of queues per pipe. + * Note that the multiple queues (power of 2) can only be assigned to + * lowest priority (best-effort) traffic class. Other higher priority traffic + * classes can only have one queue. + * Can not change. + * + * @see struct rte_sched_subport_params */ -#define RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE 4 +#define RTE_SCHED_QUEUES_PER_PIPE 16 -/** Number of queues per pipe traffic class. Cannot be changed. */ -#define RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS 4 +/** Number of WRR queues for best-effort traffic class per pipe. + * + * @see struct rte_sched_pipe_params + */ +#define RTE_SCHED_BE_QUEUES_PER_PIPE 8 -/** Number of queues per pipe. */ -#define RTE_SCHED_QUEUES_PER_PIPE \ - (RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE * \ - RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS) +#define RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS 4 +/** Number of traffic classes per pipe (as well as subport). + * + * @see struct rte_sched_subport_params + * @see struct rte_sched_pipe_params + */ +#define RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE \ +(RTE_SCHED_QUEUES_PER_PIPE - RTE_SCHED_BE_QUEUES_PER_PIPE + 1) -/** Maximum number of pipe profiles that can be defined per port. +/** Maximum number of pipe profiles that can be defined per subport. * Compile-time configurable. */ #ifndef RTE_SCHED_PIPE_PROFILES_PER_PORT @@ -95,6 +107,8 @@ extern "C" { * * The FCS is considered overhead only if not included in the packet * length (field pkt_len of struct rte_mbuf). + * + * @see struct rte_sched_port_params */ #ifndef RTE_SCHED_FRAME_OVERHEAD_DEFAULT #define RTE_SCHED_FRAME_OVERHEAD_DEFAULT 24 -- 2.21.0