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 8E10CA317C for ; Thu, 17 Oct 2019 14:03:13 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id C6D501E8AC; Thu, 17 Oct 2019 14:03:06 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by dpdk.org (Postfix) with ESMTP id A4C3A1E54A for ; Thu, 17 Oct 2019 14:02:58 +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 x9HBu40m008160; Thu, 17 Oct 2019 05:02:57 -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=pfpt0818; bh=hGwEBE+QHTqr+1kc+pCzgOOVcgeFxcYeGJYhlss/qdg=; b=cbWCooPX3gaCXmDThzr7l0PP303v1EyXtQ/2p3dokzizrHUqD/Im2DIJyqaP/6rwfAZk gJ9bvs3CTayWG3S6Gaf94YuQ4iJu63N7w+UOcC4Pz07X5bTUQx2cI0bzWLB6TF7UqvTP nMLRmi5W8jmiTMzhs2W6WU+xsOgooNkhZOexWYNPuB3JcfHZKSk8iy6r1fFXHwI+ue9V W9AREFF7yDPXsrqYQPzT/9GUpTKMdERwMUfKHQopayi3gSuRQ9DMw5DbdBXDxS5zby9F ryEYKtYa4aSH4xCY5AGOu1UJsl3ByeoMVBpeYz42zH/KX8vaxbUb/QT2+ZkKfXqMSLB/ kQ== Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0a-0016f401.pphosted.com with ESMTP id 2vnpmbqgu2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Thu, 17 Oct 2019 05:02:55 -0700 Received: from SC-EXCH03.marvell.com (10.93.176.83) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Thu, 17 Oct 2019 05:02:54 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Thu, 17 Oct 2019 05:02:54 -0700 Received: from BG-LT7430.marvell.com (bg-lt7430.marvell.com [10.28.10.255]) by maili.marvell.com (Postfix) with ESMTP id 7DF083F703F; Thu, 17 Oct 2019 05:02:52 -0700 (PDT) From: To: , , , John McNamara , "Marko Kovacevic" , Thomas Monjalon CC: , Pavan Nikhilesh Date: Thu, 17 Oct 2019 17:32:39 +0530 Message-ID: <20191017120245.984-3-pbhagavatula@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191017120245.984-1-pbhagavatula@marvell.com> References: <20191010105130.3382-1-pbhagavatula@marvell.com> <20191017120245.984-1-pbhagavatula@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,1.0.8 definitions=2019-10-17_04:2019-10-17,2019-10-17 signatures=0 Subject: [dpdk-dev] [PATCH v12 2/7] ethdev: add mbuf RSS update as an offload 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: Pavan Nikhilesh Add new Rx offload flag `DEV_RX_OFFLOAD_RSS_HASH` which can be used to enable/disable PMDs write to `rte_mbuf::hash::rss`. PMDs notify the validity of `rte_mbuf::hash:rss` to the applcation by enabling `PKT_RX_RSS_HASH ` flag in `rte_mbuf::ol_flags`. Signed-off-by: Pavan Nikhilesh Reviewed-by: Andrew Rybchenko --- doc/guides/nics/features.rst | 2 ++ doc/guides/rel_notes/release_19_11.rst | 7 +++++++ lib/librte_ethdev/rte_ethdev.c | 1 + lib/librte_ethdev/rte_ethdev.h | 1 + 4 files changed, 11 insertions(+) diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst index 35cbcd88c..1653e5b9d 100644 --- a/doc/guides/nics/features.rst +++ b/doc/guides/nics/features.rst @@ -274,6 +274,7 @@ Supports RSS hashing on RX. * **[uses] user config**: ``dev_conf.rxmode.mq_mode`` = ``ETH_MQ_RX_RSS_FLAG``. * **[uses] user config**: ``dev_conf.rx_adv_conf.rss_conf``. +* **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_RSS_HASH``. * **[provides] rte_eth_dev_info**: ``flow_type_rss_offloads``. * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_RSS_HASH``, ``mbuf.rss``. @@ -286,6 +287,7 @@ Inner RSS Supports RX RSS hashing on Inner headers. * **[uses] rte_flow_action_rss**: ``level``. +* **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_RSS_HASH``. * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_RSS_HASH``, ``mbuf.rss``. diff --git a/doc/guides/rel_notes/release_19_11.rst b/doc/guides/rel_notes/release_19_11.rst index e16060ea0..498fdfcdf 100644 --- a/doc/guides/rel_notes/release_19_11.rst +++ b/doc/guides/rel_notes/release_19_11.rst @@ -160,6 +160,13 @@ New Features * This scheme will allow PMDs to avoid lookup to internal ptype table on Rx and thereby improve Rx performance if application wishes do so. +* **Added Rx offload flag to enable or disable RSS update** + + * Added new Rx offload flag `DEV_RX_OFFLOAD_RSS_HASH` which can be used to + enable/disable PMDs write to `rte_mbuf::hash::rss`. + * PMDs notify the validity of `rte_mbuf::hash:rss` to the application + by enabling `PKT_RX_RSS_HASH ` flag in `rte_mbuf::ol_flags`. + Removed Items ------------- diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c index 9974c43fe..685b6a9be 100644 --- a/lib/librte_ethdev/rte_ethdev.c +++ b/lib/librte_ethdev/rte_ethdev.c @@ -129,6 +129,7 @@ static const struct { RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC), RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM), RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM), + RTE_RX_OFFLOAD_BIT2STR(RSS_HASH), }; #undef RTE_RX_OFFLOAD_BIT2STR diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h index eef07c2b7..68b2a4ba8 100644 --- a/lib/librte_ethdev/rte_ethdev.h +++ b/lib/librte_ethdev/rte_ethdev.h @@ -1015,6 +1015,7 @@ struct rte_eth_conf { #define DEV_RX_OFFLOAD_KEEP_CRC 0x00010000 #define DEV_RX_OFFLOAD_SCTP_CKSUM 0x00020000 #define DEV_RX_OFFLOAD_OUTER_UDP_CKSUM 0x00040000 +#define DEV_RX_OFFLOAD_RSS_HASH 0x00080000 #define DEV_RX_OFFLOAD_CHECKSUM (DEV_RX_OFFLOAD_IPV4_CKSUM | \ DEV_RX_OFFLOAD_UDP_CKSUM | \ -- 2.17.1