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 6411FA04B1; Thu, 17 Sep 2020 04:08:07 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 44D381D424; Thu, 17 Sep 2020 04:08:07 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by dpdk.org (Postfix) with ESMTP id 26F6B1D421 for ; Thu, 17 Sep 2020 04:08:04 +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 08H24XEI013135; Wed, 16 Sep 2020 19:07:59 -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=0igkrGLdLzYV5ysE25fxaoNLkMDxLgTGV6mZAKT2kTE=; b=RwBSF04WdvJCOInvOBE0SNvB6EqoqGgQvd/afXSxliKogqraic+xGhOXZWuE4VbGpnrb ujFqQI/oJ9WUh0CgRu1FdGd8+9GQ47/uWHs8qgFxa9ovfhLkHscRvcQiqlKkDLrWjU+C 5BHXCMNkTLVRsMvYEje9IokWOkhAxBRYhNAHB0SFxlDcjdZSCzT2cPfJHxqIbLuc7/h8 G5AQeUcukp/VCclUcJYYcvZYQ4L0VoMzPbqaQLN0g9F+KiIGTSKR6d7WP6kk55fWUWWU tIVJXQaO+FKeVE+d1v0iItkEhOrJsQ0wjhHG0fCJdnXlBuPTxORdbbYnJlafgkQCiVYR Tg== Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0a-0016f401.pphosted.com with ESMTP id 33k5njnbsr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 16 Sep 2020 19:07:59 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 16 Sep 2020 19:07:58 -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; Wed, 16 Sep 2020 19:07:58 -0700 Received: from localhost.localdomain (unknown [10.28.34.15]) by maili.marvell.com (Postfix) with ESMTP id 74E6A3F703F; Wed, 16 Sep 2020 19:07:46 -0700 (PDT) From: To: Thomas Monjalon , Ferruh Yigit , Andrew Rybchenko CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Kiran Kumar K Date: Thu, 17 Sep 2020 07:37:33 +0530 Message-ID: <20200917020735.2195069-1-kirankumark@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200901032708.58247-1-kirankumark@marvell.com> References: <20200901032708.58247-1-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=2020-09-17_02:2020-09-16, 2020-09-17 signatures=0 Subject: [dpdk-dev] [PATCH v8 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 --- V8 Changes: * Re-worked the level parameters. Added as PMD_DEFAULT, LEVEL_OUTERMOST, LEVEL_INNERMOST 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..869748474 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_PMD_DEFAULT (0ULL << 50) + +/** level 1, requests RSS to be performed on the outermost packet + * encapsulation level. + */ +#define ETH_RSS_LEVEL_OUTERMOST (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_INNERMOST (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