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 5D4E4A0613 for ; Wed, 25 Sep 2019 14:00:55 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id AD7E63423; Wed, 25 Sep 2019 14:00:53 +0200 (CEST) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 3BA7C3237 for ; Wed, 25 Sep 2019 14:00:50 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Sep 2019 05:00:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,547,1559545200"; d="scan'208";a="272944560" Received: from fmsmsx108.amr.corp.intel.com ([10.18.124.206]) by orsmga001.jf.intel.com with ESMTP; 25 Sep 2019 05:00:49 -0700 Received: from fmsmsx155.amr.corp.intel.com (10.18.116.71) by FMSMSX108.amr.corp.intel.com (10.18.124.206) with Microsoft SMTP Server (TLS) id 14.3.439.0; Wed, 25 Sep 2019 05:00:49 -0700 Received: from shsmsx105.ccr.corp.intel.com (10.239.4.158) by FMSMSX155.amr.corp.intel.com (10.18.116.71) with Microsoft SMTP Server (TLS) id 14.3.439.0; Wed, 25 Sep 2019 05:00:49 -0700 Received: from shsmsx104.ccr.corp.intel.com ([169.254.5.32]) by SHSMSX105.ccr.corp.intel.com ([169.254.11.23]) with mapi id 14.03.0439.000; Wed, 25 Sep 2019 20:00:47 +0800 From: "Su, Simei" To: "Ye, Xiaolong" CC: "Zhang, Qi Z" , "Wu, Jingjing" , "dev@dpdk.org" Thread-Topic: [PATCH v2 1/2] ethdev: extend RSS offload types Thread-Index: AQHVcpZwhy+lFJ5L10+ZZvQEJNewt6c7spEAgACZYRA= Date: Wed, 25 Sep 2019 12:00:46 +0000 Message-ID: <65F28F834D25B54B9EC1999B623071B30C44A674@SHSMSX104.ccr.corp.intel.com> References: <1565328915-135315-1-git-send-email-simei.su@intel.com> <1569247539-101249-1-git-send-email-simei.su@intel.com> <1569247539-101249-2-git-send-email-simei.su@intel.com> <20190925104938.GG60476@intel.com> In-Reply-To: <20190925104938.GG60476@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.2.0.6 dlp-reaction: no-action x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiYmI5M2I5ODktOGFhOC00YzE2LWEwZjItOThmOTE3MTBhMjdiIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoiN2tzOFdWbURrOFR5NXJJMDRzMmtEUitUNVdGMUptSSt0aFd3U3Rja1wvR0JQSnRlY0pBdlFQMzJaTkNvUHJBK0gifQ== x-ctpclassification: CTP_NT x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH v2 1/2] ethdev: extend 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" Hi, xiaolong > -----Original Message----- > From: Ye, Xiaolong > Sent: Wednesday, September 25, 2019 6:50 PM > To: Su, Simei > Cc: Zhang, Qi Z ; Wu, Jingjing ; > dev@dpdk.org > Subject: Re: [PATCH v2 1/2] ethdev: extend RSS offload types >=20 > On 09/23, Simei Su wrote: > >This patch cover two aspects: > > (1)decouple RTE_ETH_FLOW_* and ETH_RSS_*. Because both serve > > different purposes. > > > > (2)reserve several bits as input set selection from bottom > > of the 64 bits. It is combined with exisiting ETH_RSS_* to > > represent rss types. > > > > for example: > > ETH_RSS_IPV4 | ETH_RSS_L3_SRC_ONLY: hash on src ip address only > > ETH_RSS_IPV4_UDP | ETH_RSS_L4_DST_ONLY: hash on src/dst IP and > > dst UDP port > > ETH_RSS_L2_PAYLOAD | ETH_RSS_L2_DST_ONLY: hash on dst mac > address >=20 > We also need to document well about what happens if users just set > ETH_RSS_IPV4, both both src/dst ip still are taken into account, right? >=20 Yes, when users set ETH_RSS_IPV4, both src and dst ip are taken into acco= unt. I will add this example. Thanks! > Thanks, > Xiaolong >=20 >=20 > > > >Signed-off-by: Simei Su > >--- > > lib/librte_ethdev/rte_ethdev.h | 60 > >++++++++++++++++++++++++------------------ > > 1 file changed, 35 insertions(+), 25 deletions(-) > > > >diff --git a/lib/librte_ethdev/rte_ethdev.h > >b/lib/librte_ethdev/rte_ethdev.h index d987178..7e6530d 100644 > >--- a/lib/librte_ethdev/rte_ethdev.h > >+++ b/lib/librte_ethdev/rte_ethdev.h > >@@ -482,31 +482,41 @@ struct rte_eth_rss_conf { > > #define RTE_ETH_FLOW_MAX 23 > > > > /* > >- * The RSS offload types are defined based on flow types. > >- * Different NIC hardware may support different RSS offload > >- * types. The supported flow types or RSS offload types can be queried > >by > >- * rte_eth_dev_info_get(). > >- */ > >-#define ETH_RSS_IPV4 (1ULL << RTE_ETH_FLOW_IPV4) > >-#define ETH_RSS_FRAG_IPV4 (1ULL << > RTE_ETH_FLOW_FRAG_IPV4) > >-#define ETH_RSS_NONFRAG_IPV4_TCP (1ULL << > RTE_ETH_FLOW_NONFRAG_IPV4_TCP) > >-#define ETH_RSS_NONFRAG_IPV4_UDP (1ULL << > RTE_ETH_FLOW_NONFRAG_IPV4_UDP) > >-#define ETH_RSS_NONFRAG_IPV4_SCTP (1ULL << > >RTE_ETH_FLOW_NONFRAG_IPV4_SCTP) -#define > ETH_RSS_NONFRAG_IPV4_OTHER (1ULL << > RTE_ETH_FLOW_NONFRAG_IPV4_OTHER) > >-#define ETH_RSS_IPV6 (1ULL << RTE_ETH_FLOW_IPV6) > >-#define ETH_RSS_FRAG_IPV6 (1ULL << > RTE_ETH_FLOW_FRAG_IPV6) > >-#define ETH_RSS_NONFRAG_IPV6_TCP (1ULL << > RTE_ETH_FLOW_NONFRAG_IPV6_TCP) > >-#define ETH_RSS_NONFRAG_IPV6_UDP (1ULL << > RTE_ETH_FLOW_NONFRAG_IPV6_UDP) > >-#define ETH_RSS_NONFRAG_IPV6_SCTP (1ULL << > >RTE_ETH_FLOW_NONFRAG_IPV6_SCTP) -#define > ETH_RSS_NONFRAG_IPV6_OTHER (1ULL << > RTE_ETH_FLOW_NONFRAG_IPV6_OTHER) > >-#define ETH_RSS_L2_PAYLOAD (1ULL << > RTE_ETH_FLOW_L2_PAYLOAD) > >-#define ETH_RSS_IPV6_EX (1ULL << RTE_ETH_FLOW_IPV6_EX) > >-#define ETH_RSS_IPV6_TCP_EX (1ULL << > RTE_ETH_FLOW_IPV6_TCP_EX) > >-#define ETH_RSS_IPV6_UDP_EX (1ULL << > RTE_ETH_FLOW_IPV6_UDP_EX) > >-#define ETH_RSS_PORT (1ULL << RTE_ETH_FLOW_PORT) > >-#define ETH_RSS_VXLAN (1ULL << RTE_ETH_FLOW_VXLAN) > >-#define ETH_RSS_GENEVE (1ULL << RTE_ETH_FLOW_GENEVE) > >-#define ETH_RSS_NVGRE (1ULL << RTE_ETH_FLOW_NVGRE) > >+ * Below macros are defined for RSS offload types, they can be used to > >+ * fill rte_eth_rss_conf.rss_hf or rte_flow_action_rss.types. > >+ */ > >+#define ETH_RSS_IPV4 (1ULL << 2) > >+#define ETH_RSS_FRAG_IPV4 (1ULL << 3) > >+#define ETH_RSS_NONFRAG_IPV4_TCP (1ULL << 4) > >+#define ETH_RSS_NONFRAG_IPV4_UDP (1ULL << 5) > >+#define ETH_RSS_NONFRAG_IPV4_SCTP (1ULL << 6) #define > >+ETH_RSS_NONFRAG_IPV4_OTHER (1ULL << 7) > >+#define ETH_RSS_IPV6 (1ULL << 8) > >+#define ETH_RSS_FRAG_IPV6 (1ULL << 9) > >+#define ETH_RSS_NONFRAG_IPV6_TCP (1ULL << 10) > >+#define ETH_RSS_NONFRAG_IPV6_UDP (1ULL << 11) > >+#define ETH_RSS_NONFRAG_IPV6_SCTP (1ULL << 12) #define > >+ETH_RSS_NONFRAG_IPV6_OTHER (1ULL << 13) > >+#define ETH_RSS_L2_PAYLOAD (1ULL << 14) > >+#define ETH_RSS_IPV6_EX (1ULL << 15) > >+#define ETH_RSS_IPV6_TCP_EX (1ULL << 16) > >+#define ETH_RSS_IPV6_UDP_EX (1ULL << 17) > >+#define ETH_RSS_PORT (1ULL << 18) > >+#define ETH_RSS_VXLAN (1ULL << 19) > >+#define ETH_RSS_GENEVE (1ULL << 20) > >+#define ETH_RSS_NVGRE (1ULL << 21) > >+ > >+/* > >+ * We use the following macros to combine with above ETH_RSS_* for > >+ * more specific input set selection. These bits are defined starting > >+ * from the bottom of the 64 bits. > >+ */ > >+#define ETH_RSS_L2_SRC_ONLY (1ULL << 63) > >+#define ETH_RSS_L2_DST_ONLY (1ULL << 62) > >+#define ETH_RSS_L3_SRC_ONLY (1ULL << 61) > >+#define ETH_RSS_L3_DST_ONLY (1ULL << 60) > >+#define ETH_RSS_L4_SRC_ONLY (1ULL << 59) > >+#define ETH_RSS_L4_DST_ONLY (1ULL << 58) > > > > #define ETH_RSS_IP ( \ > > ETH_RSS_IPV4 | \ > >-- > >1.8.3.1 > >