From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 7CB0AA04AC; Tue, 1 Sep 2020 05:27:49 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id BA1131C0D4; Tue, 1 Sep 2020 05:27:48 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by dpdk.org (Postfix) with ESMTP id 123E61C0D2 for ; Tue, 1 Sep 2020 05:27:46 +0200 (CEST) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0813Pqu7024494; Mon, 31 Aug 2020 20:27:30 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=gXbtmrDWJvHaFAtwElbZBE9kfomvN2IMnSttpIxdBq8=; b=BjyckF6jaowOgDs1youWM5d4OpDn0rwzTKizkwU2namaXRGJBGGhy7MjmEOqYXYr6RJ7 5Gl1NW06ZM/HfW+dcoFzN/CHHNguFWUAJQiuJcuGcTZTfw57BGuy8w50w4D6f0gilW9C XGOZHZsJa3i4S/CR208oigzHixNGMWi4GJBT8c+VTQaqY6eXU/RGyMwgxQ6AH3iWGaza WF2rOhNH2tn6OLC1u3jUhBcUYP0CuQ9oD7cuwDLXw5fvAi1/P7BsRCMh17jUiNsXdV9v FY+rLYm59OYh0VMLdbKXD3Qjtk4k+NbGmUVYcf7Uu/2lIvg4dV6Ir8Ygu790wlS1QoOv nA== Received: from sc-exch03.marvell.com ([199.233.58.183]) by mx0a-0016f401.pphosted.com with ESMTP id 337mcq61vc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Mon, 31 Aug 2020 20:27:30 -0700 Received: from SC-EXCH04.marvell.com (10.93.176.84) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 31 Aug 2020 20:27:29 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 31 Aug 2020 20:27:28 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 31 Aug 2020 20:27:28 -0700 Received: from localhost.localdomain (unknown [10.28.34.15]) by maili.marvell.com (Postfix) with ESMTP id D0EE53F703F; Mon, 31 Aug 2020 20:27:17 -0700 (PDT) From: To: Thomas Monjalon , Ferruh Yigit , Andrew Rybchenko CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Kiran Kumar K Date: Tue, 1 Sep 2020 08:57:05 +0530 Message-ID: <20200901032708.58247-1-kirankumark@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821110330.214931-1-kirankumark@marvell.com> References: <20200821110330.214931-1-kirankumark@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-09-01_01:2020-08-31, 2020-09-01 signatures=0 Subject: [dpdk-dev] [PATCH v7 1/3] ethdev: add level support for RSS offload types 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" From: Kiran Kumar K This patch reserves 2 bits as input selection to select Inner and outer encapsulation level for RSS computation. It is combined with existing ETH_RSS_* to choose Inner or outer layers. This functionality already exists in rte_flow through level parameter in RSS action configuration rte_flow_action_rss. Signed-off-by: Kiran Kumar K --- V7 Changes: * Re-worked to keep it in sync with rte_flow_action_rss and support upto 3 levels. * Addressed testpmd review comments. lib/librte_ethdev/rte_ethdev.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h index 70295d7ab..13e49bbd7 100644 --- a/lib/librte_ethdev/rte_ethdev.h +++ b/lib/librte_ethdev/rte_ethdev.h @@ -552,6 +552,33 @@ struct rte_eth_rss_conf { #define RTE_ETH_RSS_L3_PRE64 (1ULL << 53) #define RTE_ETH_RSS_L3_PRE96 (1ULL << 52) +/* + * We use the following macros to combine with the above layers to choose + * inner and outer layers or both for RSS computation. + * bit 50 and 51 are reserved for this. + */ + +/** level 0, requests the default behavior. Depending on the packet + * type, it can mean outermost, innermost, anything in between or even no RSS. + * It basically stands for the innermost encapsulation level RSS + * can be performed on according to PMD and device capabilities. + */ +#define ETH_RSS_LEVEL_0 (0ULL << 50) + +/** level 1, requests RSS to be performed on the outermost packet + * encapsulation level. + */ +#define ETH_RSS_LEVEL_1 (1ULL << 50) + +/** level 2, requests RSS to be performed on the + * specified inner packet encapsulation level, from outermost to + * innermost (lower to higher values). + */ +#define ETH_RSS_LEVEL_2 (2ULL << 50) +#define ETH_RSS_LEVEL_MASK (3ULL << 50) + +#define ETH_RSS_LEVEL(rss_hf) ((rss_hf & ETH_RSS_LEVEL_MASK) >> 50) + /** * For input set change of hash filter, if SRC_ONLY and DST_ONLY of * the same level are used simultaneously, it is the same case as -- 2.25.1